##### Table of Contents

As filed with the Securities and Exchange Commission on April 20, 2017





UNITED STATES

SECURITIES
AND EXCHANGE COMMISSION

Washington, D.C. 20549





FORM 20-F







|☐ | REGISTRATION STATEMENT PURSUANT TO SECTION 12(b) OR 12(g) OF THE SECURITIES EXCHANGE ACT OF 1934
|- | ------------------------------------------------------------------------------------------------

OR



|☒ | ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934
|- | ------------------------------------------------------------------------------------

For the fiscal year ended December 31, 2016

OR



|☐ | TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934
|- | ----------------------------------------------------------------------------------------

For the transition period from                  to

OR



|☐ | SHELL COMPANY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934
|- | -------------------------------------------------------------------------------------------

Date of event requiring this shell company report

Commission file number 00137928







LOGO

(Exact Name of Registrant as Specified in Its Charter)





ChipMOS TECHNOLOGIES INC.

(Translation of Registrants Name into English)

Republic of China

(Jurisdiction of Incorporation or Organization)

No. 1, R&D Road 1, Hsinchu Science Park

Hsinchu, Taiwan

Republic
of China

(Address of Principal Executive Offices)

Shou-Kang Chen

Chief
Financial Officer

ChipMOS TECHNOLOGIES INC.

No. 1, R&D Road 1, Hsinchu Science Park

Hsinchu, Taiwan

Republic
of China

Telephone: (886) 3 577 0055

Facsimile: (886) 3 566 8981

(Name, Telephone, E-mail and/or Facsimile Number and Address of Company Contact Person)

Securities registered or to be registered pursuant to Section 12(b) of the Act:



|                                          |  |                                          
|----------------------------------------- |  | -----------------------------------------
|Title of Each Class                       |  | Name of Each Exchange
on Which Registered
|Common Shares, par value NT$10 per share* |  | The NASDAQ Global Select Market*         

Securities registered or to be registered pursuant to Section 12(g) of the Act:

None

(Title of Class)

Securities for which there is a reporting obligation pursuant to Section 15(d) of the Act:

None

(Title of Class)





Indicate the number of outstanding shares of each of the issuers classes of capital or common stock as of the close of the period covered
by the annual report.

As of December 31, 2016, 856,754,261 Common Shares, par value NT$10 each, were outstanding (not including
30,212,000 Common Shares held by the Company).

Indicate by check mark if the registrant is a well-known seasoned issuer, as defined in
Rule 405 of the Securities Act.    Yes  ☐    No  ☒

If this report
is an annual or transition report, indicate by check mark if the registrant is not required to file reports pursuant to Section 13 or (15)(d) of the Securities Exchange Act of
1934.    Yes  ☐    No  ☒

Indicate by check mark whether the
registrant: (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports), and
(2) has been subject to such filing requirements for the past 90 days.    Yes  ☒    No  ☐

Indicate by check mark whether the registrant has submitted electronically and posted on its corporate Web site, if any, every Interactive
Data File required to be submitted and posted pursuant to Rule 405 of Regulation S-T (§232.405 of this chapter) during the preceding 12 months (or for such shorter period that the registrant was required
to submit and post such files).    Yes  ☐    No  ☐

Indicate by
check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, or an emerging growth company. See definition of large accelerated filer,
accelerated filer, and emerging growth company in Rule 12b-2 of the Exchange Act. (Check one):

Large Accelerated Filer  ☐        Accelerated
Filer  ☒        Non-Accelerated Filer  ☐        Emerging growth company  ☐

If an emerging growth company that prepares its financial statements in accordance with U.S. GAAP, indicate by check mark if the registrant
has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act.  ☐

Indicate by check mark which basis of accounting the registrant has used to prepare the financial statements included in this filing.



|           |  |                                                                                                          |  |         
|---------- |  | -------------------------------------------------------------------------------------------------------- |  | --------
|US GAAP  ☐ |  | International Financial Reporting Standards as issued
by the International Accounting Standards Board  ☒ |  | Other  ☐



If this is an annual report,
indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Exchange Act).    Yes  ☐    No  ☒

* Not for trading, but only in connection with the listing on The NASDAQ Global Select Market of American Depositary Receipts evidencing
American Depositary Shares (the ADSs), each representing twenty common shares of ChipMOS TECHNOLOGIES INC.









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##### Table of Contents

TABLE OF CONTENTS

ChipMOS TECHNOLOGIES INC.



|                                                              |  |                                                                              |   |  |    | 
|------------------------------------------------------------- |  | ---------------------------------------------------------------------------- | - |  | -- | 
|CAUTIONARY STATEMENT FOR PURPOSES OF SAFE HARBOR PROVISIONS |  |                                                                              | 1 | 
|                                                              |  |                                                                             
|Item 1.                                                       |  | Identity of Directors, Senior Management and Advisers                        |   |  | 2  | 
|                                                              |  |                                                                             
|Item 2.                                                       |  | Offer Statistics and Expected Timetable                                      |   |  | 2  | 
|                                                              |  |                                                                             
|Item 3.                                                       |  | Key Information                                                              |   |  | 2  | 
|                                                              |  |                                                                             
|Item 4.                                                       |  | Information on the Company                                                   |   |  | 20 | 
|                                                              |  |                                                                             
|Item 4A.                                                      |  | Unresolved Staff Comments                                                    |   |  | 46 | 
|                                                              |  |                                                                             
|Item 5.                                                       |  | Operating and Financial Review and Prospects                                 |   |  | 46 | 
|                                                              |  |                                                                             
|Item 6.                                                       |  | Directors, Senior Management and Employees                                   |   |  | 63 | 
|                                                              |  |                                                                             
|Item 7.                                                       |  | Major Shareholders and Related Party Transactions                            |   |  | 68 | 
|                                                              |  |                                                                             
|Item 8.                                                       |  | Financial Information                                                        |   |  | 70 | 
|                                                              |  |                                                                             
|Item 9.                                                       |  | The Offer and Listing                                                        |   |  | 72 | 
|                                                              |  |                                                                             
|Item 10.                                                      |  | Additional Information                                                       |   |  | 72 | 
|                                                              |  |                                                                             
|Item 11.                                                      |  | Quantitative and Qualitative Disclosure about Market Risk                    |   |  | 86 | 
|                                                              |  |                                                                             
|Item 12.                                                      |  | Description of Securities Other Than Equity Securities                       |   |  | 87 | 
|                                                              |  |                                                                             
|Item 13.                                                      |  | Defaults, Dividend Arrearages and Delinquencies                              |   |  | 89 | 
|                                                              |  |                                                                             
|Item 14.                                                      |  | Material Modifications to the Rights of Security Holders and Use of Proceeds |   |  | 89 | 
|                                                              |  |                                                                             
|Item 15.                                                      |  | Controls and Procedures                                                      |   |  | 89 | 
|                                                              |  |                                                                             
|Item 16A.                                                     |  | Audit Committee Financial Expert                                             |   |  | 90 | 
|                                                              |  |                                                                             
|Item 16B.                                                     |  | Code of Ethics                                                               |   |  | 90 | 
|                                                              |  |                                                                             
|Item 16C.                                                     |  | Principal Accountant Fees and Services                                       |   |  | 90 | 
|                                                              |  |                                                                             
|Item 16D.                                                     |  | Exemptions from the Listing Standards for Audit Committees                   |   |  | 91 | 
|                                                              |  |                                                                             
|Item 16E.                                                     |  | Purchases of Equity Securities by the Issuer and Affiliated Purchasers       |   |  | 91 | 
|                                                              |  |                                                                             
|Item 16F.                                                     |  | Change in Registrants Certifying Accountant                                 |   |  | 92 | 
|                                                              |  |                                                                             
|Item 16G.                                                     |  | Corporate Governance                                                         |   |  | 93 | 
|                                                              |  |                                                                             
|Item 17.                                                      |  | Financial Statements                                                         |   |  | 95 | 
|                                                              |  |                                                                             
|Item 18.                                                      |  | Financial Statements                                                         |   |  | 95 | 
|                                                              |  |                                                                             
|Item 19.                                                      |  | Exhibits                                                                     |   |  | 95 | 



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##### Table of Contents

CAUTIONARY STATEMENT FOR PURPOSES OF THE SAFE HARBOR
PROVISIONS OF

THE PRIVATE SECURITIES LITIGATION REFORM ACT OF 1995

Except for historical matters, the matters discussed in this Annual Report on Form 20-F are
forward-looking statements that are subject to a number of significant risks and uncertainties and are based on information as of the date hereof. These statements are generally indicated by the use of forward-looking terminology such as the words
anticipate, believe, estimate, expect, intend, may, plan, project, will, could, might, should and other
words and phrases of similar import that express an indication of actions or results of actions that may or are expected to occur in the future. These statements appear in a number of places throughout this Annual Report on Form 20-F and include statements regarding our intentions, beliefs or current expectations concerning, among other things, our results of operations, financial condition, liquidity, prospects, growth, strategies and the
industries in which we operate.

By their nature, forward-looking statements involve risks and uncertainties because they relate to events
and depend on circumstances that may or may not occur in the future. Forward-looking statements are not guarantees of future performance and our actual results of operations, financial condition and liquidity, and the development of the industries
in which we operate may differ materially from those made in or suggested by the forward-looking statements contained in this Annual Report on Form 20-F. Important factors that could cause those differences
include, but are not limited to:



| |  |  | the volatility of the semiconductor industry and the market for end-user applications for semiconductor products;
| | - |  | -----------------------------------------------------------------------------------------------------------------



| |  |  | overcapacity in the semiconductor assembly and test markets;
| | - |  | ------------------------------------------------------------



| |  |  | the increased competition from other companies and our ability to retain and increase our market share;
| | - |  | -------------------------------------------------------------------------------------------------------



| |  |  | our ability to successfully develop new technologies and remain a technological leader;
| | - |  | ---------------------------------------------------------------------------------------



| |  |  | our ability to maintain control over capacity expansion and facility modifications;
| | - |  | -----------------------------------------------------------------------------------



| |  |  | our ability to generate growth or profitable growth;
| | - |  | ----------------------------------------------------



| |  |  | our ability to hire and retain qualified personnel;
| | - |  | ---------------------------------------------------



| |  |  | our ability to acquire required equipment and supplies to meet customer demand;
| | - |  | -------------------------------------------------------------------------------



| |  |  | our ability to raise debt or equity financing as required to meet certain existing obligations;
| | - |  | -----------------------------------------------------------------------------------------------



| |  |  | our reliance on the business and financial condition of certain major customers;
| | - |  | --------------------------------------------------------------------------------



| |  |  | the success of any of our future acquisitions, investments or joint ventures;
| | - |  | -----------------------------------------------------------------------------



| |  |  | the outbreak of contagious disease and occurrence of earthquakes, typhoons and other natural disasters, as well as industrial accidents;
| | - |  | ----------------------------------------------------------------------------------------------------------------------------------------



| |  |  | the political stability of the regions in which we conduct operations;
| | - |  | ----------------------------------------------------------------------



| |  |  | general local and global economic and financial conditions; and
| | - |  | ---------------------------------------------------------------



| |  |  | other factors set forth under the heading Item 3. Key InformationRisk Factors of this Annual Report on Form 20-F.
| | - |  | --------------------------------------------------------------------------------------------------------------------

The factors identified above are believed to be important factors (but not necessarily all of the important factors) that could cause actual
results to differ materially from those expressed in any forward-looking statement made by us. Other factors not discussed herein could also have material adverse effects on us. All forward-looking statements included in this Annual Report on Form 20-F are expressly qualified in their entirety by the foregoing cautionary statements. We undertake no obligation to update any forward-looking statement (or its associated cautionary language), whether as a result
of new information or future events.

Forward-looking statements include, but are not limited to, statements regarding our strategy and
future plans, future business condition and financial results, our capital expenditure plans, our capacity expansion plans, our expansion plans in Mainland China, technological upgrades, investment in research and development, future market demand,
future regulatory or other developments in our industry. Please see Item 3. Key InformationRisk Factors for a further discussion of certain factors that may cause actual results to differ materially from those indicated by our
forward-looking statements.

This Annual Report on Form 20-F includes, refers to, or incorporates
by reference, as applicable, financial statements and other financial information based on International Financial Reporting Standards (IFRSs).



1



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##### Table of Contents

PART I



|Item 1. | Identity of Directors, Senior Management and Advisers
|------- | -----------------------------------------------------

Not applicable.



|Item 2. | Offer Statistics and Expected Timetable
|------- | ---------------------------------------

Not applicable.



|Item 3. | Key Information
|------- | ---------------

Selected Financial Data

The following tables set forth our selected consolidated financial data. As a result of the unprecedented transaction of the merger with
ChipMOS TECHNOLOGIES (Bermuda) LTD. (ChipMOS Bermuda) accounted as capital reorganization and the joint-venture agreement which reclassified ChipMOS TECHNOLOGIES (Shanghai) LTD. (ChipMOS Shanghai) as discontinued operations
(see Item 5. Operating and Financial Review and ProspectsRecent Acquisitions), the following financial data were restated retrospectively. The selected consolidated statements of financial position data as of December 31, 2015
and 2016 and our consolidated income statements and cash flows data for the years ended December 31, 2014, 2015 and 2016 are derived from our audited consolidated financial statements included herein, and should be read in conjunction with, and
are qualified in their entirety by reference to, these audited consolidated financial statements and related notes beginning on page F-1 of this Annual Report on Form
20-F. The selected consolidated statements of financial position data as of December 31, 2014 are derived from our consolidated financial statements not included herein. However, the selected consolidated
statements of financial position data as of December 31, 2012 and 2013, and the consolidated income statements and cash flows data for the years ended December 31, 2012 and 2013 are omitted from disclosure due to the Company cannot restate
these financial data without unreasonable effort and expenses.



2



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|                                                      |  |                                      |           |   |      |   |           |      |  |   |           |   |  |   |        |  
|----------------------------------------------------- |  | ------------------------------------ | --------- | - | ---- | - | --------- | ---- |  | - | --------- | - |  | - | ------ | -
|                                                      |  | Year ended December 31,              |          
|                                                      |  | 2014                                 |           |   | 2015 |   |           | 2016 |  |   | 2016      |  
|                                                      |  | NT$                                  |           |   | NT$  |   |           | NT$  |  |   | US$       |  
|                                                      |  | (in millions, except per share data) |          
|Consolidated Income Statements Data:                  |  |                                      |           |   |      |   |           |      |  |   |           |   |  |   |        |  
|Revenue                                               |  | $                                    | 20,829.0  |   |      | $ | 18,837.1  |      |  | $ | 18,387.6  |   |  | $ | 567.5  |  
|Cost of revenue                                       |  |                                      | (15,716.5 | ) |      |   | (14,685.5 | )    |  |   | (14,745.5 | ) |  |   | (455.1 | )
|                                                      |  |                                      |           |   |      |   |           |      |  |   |           |   |  |   |        |  
|Gross profit                                          |  |                                      | 5,112.5   |   |      |   | 4,151.6   |      |  |   | 3,642.1   |   |  |   | 112.4  |  
|Research and development expenses                     |  |                                      | (678.8    | ) |      |   | (747.8    | )    |  |   | (838.9    | ) |  |   | (25.9  | )
|Sales and marketing expenses                          |  |                                      | (96.3     | ) |      |   | (90.3     | )    |  |   | (72.9     | ) |  |   | (2.2   | )
|Administrative and general expenses                   |  |                                      | (712.8    | ) |      |   | (770.1    | )    |  |   | (822.1    | ) |  |   | (25.4  | )
|Other operating income (expenses), net                |  |                                      | 26.2      |   |      |   | 105.1     |      |  |   | 90.3      |   |  |   | 2.8    |  
|                                                      |  |                                      |           |   |      |   |           |      |  |   |           |   |  |   |        |  
|Operating profit                                      |  |                                      | 3,650.8   |   |      |   | 2,648.5   |      |  |   | 1,998.5   |   |  |   | 61.7   |  
|Finance costs                                         |  |                                      | (133.8    | ) |      |   | (142.5    | )    |  |   | (179.1    | ) |  |   | (5.5   | )
|Other non-operating income (expenses), net            |  |                                      | 1,185.9   |   |      |   | 340.1     |      |  |   | (119.0    | ) |  |   | (3.7   | )
|                                                      |  |                                      |           |   |      |   |           |      |  |   |           |   |  |   |        |  
|Profit before tax                                     |  |                                      | 4,702.9   |   |      |   | 2,846.1   |      |  |   | 1,700.4   |   |  |   | 52.5   |  
|Income tax expense                                    |  |                                      | (1,036.2  | ) |      |   | (935.9    | )    |  |   | (177.1    | ) |  |   | (5.5   | )
|                                                      |  |                                      |           |   |      |   |           |      |  |   |           |   |  |   |        |  
|Income from the continuing operations                 |  |                                      | 3,666.7   |   |      |   | 1,910.2   |      |  |   | 1,523.3   |   |  |   | 47.0   |  
|Income (loss) from the discontinued operations        |  |                                      | 82.2      |   |      |   | (34.2     | )    |  |   | (122.1    | ) |  |   | (3.8   | )
|                                                      |  |                                      |           |   |      |   |           |      |  |   |           |   |  |   |        |  
|Profit for the year                                   |  | $                                    | 3,748.9   |   |      | $ | 1,876.0   |      |  | $ | 1,401.2   |   |  | $ | 43.2   |  
|                                                      |  |                                      |           |   |      |   |           |      |  |   |           |   |  |   |        |  
|Attributable to:                                      |  |                                      |           |   |      |   |           |      |  |   |           |   |  |   |        |  
|Equity holders of the Companycontinuing operations   |  | $                                    | 3,274.0   |   |      | $ | 2,164.5   |      |  | $ | 1,829.3   |   |  | $ | 56.5   |  
|Equity holders of the Companydiscontinued operations |  |                                      | 82.2      |   |      |   | (34.2     | )    |  |   | (122.1    | ) |  |   | (3.8   | )
|Predecessors interests                               |  |                                      | (142.0    | ) |      |   | (291.4    | )    |  |   | (306.0    | ) |  |   | (9.5   | )
|Non-controlling interests                             |  |                                      | 534.7     |   |      |   | 37.1      |      |  |   |          |   |  |   |       |  
|                                                      |  |                                      |           |   |      |   |           |      |  |   |           |   |  |   |        |  
|                                                      |  | $                                    | 3,748.9   |   |      | $ | 1,876.0   |      |  | $ | 1,401.2   |   |  | $ | 43.2   |  
|                                                      |  |                                      |           |   |      |   |           |      |  |   |           |   |  |   |        |  
|Basic earnings per share:                             |  |                                      |           |   |      |   |           |      |  |   |           |   |  |   |        |  
|Equity holders of the Companycontinuing operations   |  | $                                    | 3.81      |   |      | $ | 2.47      |      |  | $ | 2.13      |   |  | $ | 0.07   |  
|Equity holders of the Companydiscontinued operations |  |                                      | 0.10      |   |      |   | (0.04     | )    |  |   | (0.14     | ) |  |   | (0.01  | )
|                                                      |  |                                      |           |   |      |   |           |      |  |   |           |   |  |   |        |  
|Equity holders of the Company                         |  |                                      | 3.91      |   |      |   | 2.43      |      |  |   | 1.99      |   |  |   | 0.06   |  
|Predecessors interests                               |  |                                      | (0.17     | ) |      |   | (0.33     | )    |  |   | (0.35     | ) |  |   | (0.01  | )
|                                                      |  |                                      |           |   |      |   |           |      |  |   |           |   |  |   |        |  
|                                                      |  | $                                    | 3.74      |   |      | $ | 2.10      |      |  | $ | 1.64      |   |  | $ | 0.05   |  
|                                                      |  |                                      |           |   |      |   |           |      |  |   |           |   |  |   |        |  
|Diluted earnings per share:                           |  |                                      |           |   |      |   |           |      |  |   |           |   |  |   |        |  
|Equity holders of the Companycontinuing operations   |  | $                                    | 3.78      |   |      | $ | 2.44      |      |  | $ | 2.11      |   |  | $ | 0.07   |  
|Equity holders of the Companydiscontinued operations |  |                                      | 0.09      |   |      |   | (0.04     | )    |  |   | (0.14     | ) |  |   | (0.01  | )
|                                                      |  |                                      |           |   |      |   |           |      |  |   |           |   |  |   |        |  
|Equity holders of the Company                         |  |                                      | 3.87      |   |      |   | 2.40      |      |  |   | 1.97      |   |  |   | 0.06   |  
|Predecessors interests                               |  |                                      | (0.16     | ) |      |   | (0.33     | )    |  |   | (0.35     | ) |  |   | (0.01  | )
|                                                      |  |                                      |           |   |      |   |           |      |  |   |           |   |  |   |        |  
|                                                      |  | $                                    | 3.71      |   |      | $ | 2.07      |      |  | $ | 1.62      |   |  | $ | 0.05   |  
|                                                      |  |                                      |           |   |      |   |           |      |  |   |           |   |  |   |        |  
|Basic earnings per equivalent ADS:                    |  |                                      |           |   |      |   |           |      |  |   |           |   |  |   |        |  
|Equity holders of the Companycontinuing operations   |  | $                                    | 76.25     |   |      | $ | 49.34     |      |  | $ | 42.56     |   |  | $ | 1.31   |  
|Equity holders of the Companydiscontinued operations |  |                                      | 1.92      |   |      |   | (0.78     | )    |  |   | (2.84     | ) |  |   | (0.08  | )
|                                                      |  |                                      |           |   |      |   |           |      |  |   |           |   |  |   |        |  
|Equity holders of the Company                         |  |                                      | 78.17     |   |      |   | 48.56     |      |  |   | 39.72     |   |  |   | 1.23   |  
|Predecessors interests                               |  |                                      | (3.31     | ) |      |   | (6.64     | )    |  |   | (7.12     | ) |  |   | (0.22  | )
|                                                      |  |                                      |           |   |      |   |           |      |  |   |           |   |  |   |        |  
|                                                      |  | $                                    | 74.86     |   |      | $ | 41.92     |      |  | $ | 32.60     |   |  | $ | 1.01   |  
|                                                      |  |                                      |           |   |      |   |           |      |  |   |           |   |  |   |        |  
|Diluted earnings per equivalent ADS:                  |  |                                      |           |   |      |   |           |      |  |   |           |   |  |   |        |  
|Equity holders of the Companycontinuing operations   |  | $                                    | 75.62     |   |      | $ | 48.73     |      |  | $ | 42.21     |   |  | $ | 1.30   |  
|Equity holders of the Companydiscontinued operations |  |                                      | 1.90      |   |      |   | (0.77     | )    |  |   | (2.82     | ) |  |   | (0.08  | )
|                                                      |  |                                      |           |   |      |   |           |      |  |   |           |   |  |   |        |  
|Equity holders of the Company                         |  |                                      | 77.52     |   |      |   | 47.96     |      |  |   | 39.39     |   |  |   | 1.22   |  
|Predecessors interests                               |  |                                      | (3.28     | ) |      |   | (6.56     | )    |  |   | (7.06     | ) |  |   | (0.22  | )
|                                                      |  |                                      |           |   |      |   |           |      |  |   |           |   |  |   |        |  
|                                                      |  | $                                    | 74.24     |   |      | $ | 41.40     |      |  | $ | 32.33     |   |  | $ | 1.00   |  
|                                                      |  |                                      |           |   |      |   |           |      |  |   |           |   |  |   |        |  
|Weighted-average number of shares outstanding:        |  |                                      |           |   |      |   |           |      |  |   |           |   |  |   |        |  
|Basic                                                 |  |                                      | 858.7     |   |      |   | 877.4     |      |  |   | 859.6     |   |  |   | 859.6  |  
|Diluted                                               |  |                                      | 865.8     |   |      |   | 888.3     |      |  |   | 866.8     |   |  |   | 866.8  |  



3



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##### Table of Contents

|                                                                 |  |                    |          |  |      |   |          |      |  |   |          |  |  |   |       | 
|---------------------------------------------------------------- |  | ------------------ | -------- |  | ---- | - | -------- | ---- |  | - | -------- |  |  | - | ----- | 
|                                                                 |  | As of December 31, |         
|                                                                 |  | 2014               |          |  | 2015 |   |          | 2016 |  |   | 2016     | 
|                                                                 |  | NT$                |          |  | NT$  |   |          | NT$  |  |   | US$      | 
|                                                                 |  | (in millions)      |         
|Consolidated Statements of Financial Position Data:              |  |                    |          |  |      |   |          |      |  |   |          |  |  |   |       | 
|Non-current assets:                                              |  |                    |          |  |      |   |          |      |  |   |          |  |  |   |       | 
|Available-for-sale
financial assets                              |  | $                  | 217.7    |  |      | $ | 10.0     |      |  | $ | 10.0     |  |  | $ | 0.3   | 
|Investment in associates                                         |  |                    |         |  |      |   | 346.3    |      |  |   | 369.3    |  |  |   | 11.4  | 
|Property, plant and equipment                                    |  |                    | 13,604.1 |  |      |   | 14,211.6 |      |  |   | 13,497.2 |  |  |   | 416.6 | 
|Other non-current assets                                         |  |                    | 315.9    |  |      |   | 341.6    |      |  |   | 452.8    |  |  |   | 13.9  | 
|                                                                 |  |                    |          |  |      |   |          |      |  |   |          |  |  |   |       | 
|                                                                 |  |                    | 14,137.7 |  |      |   | 14,909.5 |      |  |   | 14,329.3 |  |  |   | 442.2 | 
|                                                                 |  |                    |          |  |      |   |          |      |  |   |          |  |  |   |       | 
|Current assets:                                                  |  |                    |          |  |      |   |          |      |  |   |          |  |  |   |       | 
|Inventories                                                      |  |                    | 1,704.7  |  |      |   | 1,667.7  |      |  |   | 1,878.0  |  |  |   | 58.0  | 
|Accounts and notes receivable                                    |  |                    | 4,876.7  |  |      |   | 3,890.5  |      |  |   | 4,140.2  |  |  |   | 127.8 | 
|Other current assets                                             |  |                    | 1,088.5  |  |      |   | 422.8    |      |  |   | 272.0    |  |  |   | 8.4   | 
|Cash and cash equivalents                                        |  |                    | 15,265.2 |  |      |   | 12,127.4 |      |  |   | 7,571.4  |  |  |   | 233.7 | 
|                                                                 |  |                    |          |  |      |   |          |      |  |   |          |  |  |   |       | 
|                                                                 |  |                    | 22,935.1 |  |      |   | 18,108.4 |      |  |   | 13,861.6 |  |  |   | 427.9 | 
|Non-current assets held for sale                                 |  |                    |         |  |      |   |         |      |  |   | 3,105.1  |  |  |   | 95.8  | 
|                                                                 |  |                    |          |  |      |   |          |      |  |   |          |  |  |   |       | 
|                                                                 |  |                    | 22,935.1 |  |      |   | 18,108.4 |      |  |   | 16,966.7 |  |  |   | 523.7 | 
|                                                                 |  |                    |          |  |      |   |          |      |  |   |          |  |  |   |       | 
|Total assets                                                     |  | $                  | 37,072.8 |  |      | $ | 33,017.9 |      |  | $ | 31,296.0 |  |  | $ | 965.9 | 
|                                                                 |  |                    |          |  |      |   |          |      |  |   |          |  |  |   |       | 
|Equity and liabilities:                                          |  |                    |          |  |      |   |          |      |  |   |          |  |  |   |       | 
|Equity attributable to equity holders of the Company             |  | $                  | 18,083.9 |  |      | $ | 18,906.9 |      |  | $ | 16,247.7 |  |  | $ | 501.5 | 
|Non-controlling interests                                        |  |                    | 2,621.6  |  |      |   |         |      |  |   |         |  |  |   |      | 
|Predecessors interests                                          |  |                    | 2,490.7  |  |      |   | 2,127.5  |      |  |   |         |  |  |   |      | 
|                                                                 |  |                    |          |  |      |   |          |      |  |   |          |  |  |   |       | 
|Total equity                                                     |  |                    | 23,196.2 |  |      |   | 21,034.4 |      |  |   | 16,247.7 |  |  |   | 501.5 | 
|                                                                 |  |                    |          |  |      |   |          |      |  |   |          |  |  |   |       | 
|Non-current liabilities:                                         |  |                    |          |  |      |   |          |      |  |   |          |  |  |   |       | 
|Bank loansnon-current                                           |  |                    | 4,560.0  |  |      |   | 4,985.8  |      |  |   | 9,687.7  |  |  |   | 299.0 | 
|Lease payablenon-current                                        |  |                    |         |  |      |   |         |      |  |   | 29.3     |  |  |   | 0.9   | 
|Other non-current liabilities                                    |  |                    | 586.9    |  |      |   | 610.8    |      |  |   | 641.0    |  |  |   | 19.8  | 
|                                                                 |  |                    |          |  |      |   |          |      |  |   |          |  |  |   |       | 
|                                                                 |  |                    | 5,146.9  |  |      |   | 5,596.6  |      |  |   | 10,358.0 |  |  |   | 319.7 | 
|                                                                 |  |                    |          |  |      |   |          |      |  |   |          |  |  |   |       | 
|Current liabilities:                                             |  |                    |          |  |      |   |          |      |  |   |          |  |  |   |       | 
|Accounts payable                                                 |  |                    | 1,074.9  |  |      |   | 708.5    |      |  |   | 825.1    |  |  |   | 25.5  | 
|Payable to contractors and equipment suppliers                   |  |                    | 1,307.5  |  |      |   | 524.0    |      |  |   | 550.3    |  |  |   | 17.0  | 
|Other payables                                                   |  |                    | 1,905.3  |  |      |   | 1,868.7  |      |  |   | 1,412.1  |  |  |   | 43.6  | 
|Other current liabilities                                        |  |                    | 1,165.5  |  |      |   | 588.1    |      |  |   | 241.6    |  |  |   | 7.4   | 
|Lease payablecurrent portion                                    |  |                    |         |  |      |   |         |      |  |   | 11.3     |  |  |   | 0.3   | 
|Bank loanscurrent portion                                       |  |                    | 1,508.2  |  |      |   | 1,548.7  |      |  |   | 1,062.3  |  |  |   | 32.8  | 
|Short-term bank loans                                            |  |                    | 1,768.3  |  |      |   | 1,148.9  |      |  |   |         |  |  |   |      | 
|                                                                 |  |                    |          |  |      |   |          |      |  |   |          |  |  |   |       | 
|                                                                 |  |                    | 8,729.7  |  |      |   | 6,386.9  |      |  |   | 4,102.7  |  |  |   | 126.6 | 
|Liabilities directly related to non-current assets held
for sale |  |                    |         |  |      |   |         |      |  |   | 587.6    |  |  |   | 18.1  | 
|                                                                 |  |                    |          |  |      |   |          |      |  |   |          |  |  |   |       | 
|                                                                 |  |                    | 8,729.7  |  |      |   | 6,386.9  |      |  |   | 4,690.3  |  |  |   | 144.7 | 
|                                                                 |  |                    |          |  |      |   |          |      |  |   |          |  |  |   |       | 
|Total liabilities                                                |  |                    | 13,876.6 |  |      |   | 11,983.5 |      |  |   | 15,048.3 |  |  |   | 464.4 | 
|                                                                 |  |                    |          |  |      |   |          |      |  |   |          |  |  |   |       | 
|Total equity and liabilities                                     |  | $                  | 37,072.8 |  |      | $ | 33,017.9 |      |  | $ | 31,296.0 |  |  | $ | 965.9 | 
|                                                                 |  |                    |          |  |      |   |          |      |  |   |          |  |  |   |       | 



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##### Table of Contents

|                                           |  |                         |          |   |      |   |          |      |  |   |          |   |  |   |        |  
|------------------------------------------ |  | ----------------------- | -------- | - | ---- | - | -------- | ---- |  | - | -------- | - |  | - | ------ | -
|                                           |  | Year ended December 31, |         
|                                           |  | 2014                    |          |   | 2015 |   |          | 2016 |  |   | 2016     |  
|                                           |  | NT$                     |          |   | NT$  |   |          | NT$  |  |   | US$      |  
|                                           |  | (in millions)           |         
|Consolidated Statement of Cash Flows Data: |  |                         |          |   |      |   |          |      |  |   |          |   |  |   |        |  
|Capital expenditures                       |  | $                       | 3,568.2  |   |      | $ | 3,644.6  |      |  | $ | 4,691.0  |   |  | $ | 144.8  |  
|Depreciation and amortization              |  |                         | 2,909.0  |   |      |   | 3,021.9  |      |  |   | 3,231.3  |   |  |   | 99.7   |  
|Net cash provided by (used in):            |  |                         |          |   |      |   |          |      |  |   |          |   |  |   |        |  
|Operating activities                       |  |                         | 5,599.9  |   |      |   | 5,395.8  |      |  |   | 3,548.7  |   |  |   | 109.5  |  
|Investing activities                       |  |                         | (3,325.4 | ) |      |   | (4,504.2 | )    |  |   | (4,417.4 | ) |  |   | (136.3 | )
|Financing activities                       |  |                         | (418.8   | ) |      |   | (4,028.9 | )    |  |   | (3,223.9 | ) |  |   | (99.5  | )
|Effect of exchange rate changes on cash    |  |                         | 36.7     |   |      |   | (0.5     | )    |  |   | (73.5    | ) |  |   | (2.3   | )
|Net increase (decrease) in cash            |  | $                       | 1,892.4  |   |      | $ | (3,137.8 | )    |  | $ | (4,166.1 | ) |  | $ | (128.6 | )

Exchange Rates

References to US$ and US dollars are to United States dollars and references to NT$ and NT
dollars are to New Taiwan dollars. This Annual Report on Form 20-F contains translations of certain NT dollar amounts into US dollars at specified rates solely for the convenience of the reader. Unless
otherwise noted, all translations from NT dollars to US dollars and from US dollars to NT dollars were made at the noon buying rate in The City of New York for cable transfers in NT dollars per US dollar as certified for customs purposes by the
Federal Reserve Bank of New York as of December 30, 2016, which was NT$32.40 to US$1.00. We make no representation that the NT dollar or US dollar amounts referred to in this Annual Report on Form 20-F
could have been or could be converted into US dollars or NT dollars, as the case may be, at any particular rate or at all. On April 14, 2017, the noon buying rate was NT$30.31 to US$1.00.

The following table sets out, for the years and the months indicated, information concerning the number of NT dollars for which one US dollar
could be exchanged based on the noon buying rate for cable transfers in NT dollars as certified for customs purposes by the Federal Reserve Bank of New York.



|                         |  |                                           |       |  |      |  |       |     |  |  |            |  |  |  |       | 
|------------------------ |  | ----------------------------------------- | ----- |  | ---- |  | ----- | --- |  |  | ---------- |  |  |  | ----- | 
|                         |  | NT dollars per US dollar noon buying rate |      
|                         |  | Average                                   |       |  | High |  |       | Low |  |  | Period-end | 
|2012                     |  |                                           | 29.56 |  |      |  | 30.28 |     |  |  | 28.96      |  |  |  | 29.05 | 
|2013                     |  |                                           | 29.68 |  |      |  | 30.20 |     |  |  | 28.93      |  |  |  | 29.83 | 
|2014                     |  |                                           | 30.30 |  |      |  | 31.80 |     |  |  | 29.85      |  |  |  | 31.60 | 
|2015                     |  |                                           | 31.74 |  |      |  | 33.17 |     |  |  | 30.37      |  |  |  | 32.79 | 
|2016                     |  |                                           | 32.23 |  |      |  | 33.74 |     |  |  | 31.05      |  |  |  | 32.40 | 
|October                  |  |                                           | 31.59 |  |      |  | 31.79 |     |  |  | 31.36      |  |  |  | 31.54 | 
|November                 |  |                                           | 31.75 |  |      |  | 32.01 |     |  |  | 31.41      |  |  |  | 31.92 | 
|December                 |  |                                           | 32.00 |  |      |  | 32.42 |     |  |  | 31.72      |  |  |  | 32.40 | 
|2017                     |  |                                           |       |  |      |  |       |    
|January                  |  |                                           | 31.65 |  |      |  | 32.37 |     |  |  | 31.19      |  |  |  | 31.19 | 
|February                 |  |                                           | 30.85 |  |      |  | 31.17 |     |  |  | 30.61      |  |  |  | 30.64 | 
|March                    |  |                                           | 30.65 |  |      |  | 31.03 |     |  |  | 30.14      |  |  |  | 30.38 | 
|April (through 14, 2017) |  |                                           | 30.47 |  |      |  | 30.63 |     |  |  | 30.31      |  |  |  | 30.31 | 

Sources: Federal Reserve Bank of New York.



5



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##### Table of Contents

Risk Factors

Risks Relating to Economic Conditions and the Financial Markets

The global credit and financial markets crisis could materially and adversely affect our business and results of operations.

Disruptions in global credit and financial markets may occur that cause diminished liquidity and limited availability of credit, reduced
consumer confidence, reduced economic growth, increased unemployment rates and uncertainty about economic stability. Limited availability of credit in financial markets may lead consumers and businesses to postpone spending. This in turn may cause
our customers to cancel, decrease or delay their existing and future orders with us. Financial difficulties experienced by our customers or suppliers as a result of these conditions could lead to production delays and delays or defaults in payment
of accounts receivable. Continuing credit markets disruption restricts our access to capital and limits our ability to fund operations or to refinance maturing obligations as they become due through additional borrowing or other sources of
financing. We are not able to predict the duration or extent of disruptions in global credit and financial markets. These conditions increase the difficulty of accurately forecasting and planning our business activities. If these conditions and
uncertainties occur or continue, or if credit and financial markets and confidence in economic conditions deteriorate, our business and results of operations could be materially and adversely affected.

Risks Relating to Our Industry

Because we depend
on the highly cyclical semiconductor industry, which is characterized by significant and sometimes prolonged downturns from time to time, our revenue and earnings may fluctuate significantly, which in turn could adversely affect our results of
operations and could cause the market price of our common shares or of our ADSs to decline.

Because our business is, and will
continue to be, dependent on the requirements of semiconductor companies for independent assembly and test services, any downturn in the highly cyclical semiconductor industry may reduce demand for our services and adversely affect our results of
operations. All of our customers operate in this industry and variations in order levels and in service fee from our customers may result in volatility in our revenue and earnings. For instance, during periods of decreased demand for assembled
semiconductors, some of our customers may simplify, delay or forego final testing of certain types of semiconductors, such as dynamic random access memory or DRAM, which in turn may result in reduced demand for our services, adversely affecting our
results of operations. From time to time, the semiconductor industry has experienced significant, and sometimes prolonged, downturns which have adversely affected our results of operations. Our revenue for 2015 decreased 9.6% from 2014 levels. Our
revenue for 2016 decreased by 2.4% from 2015 levels and generated a profit attributable to equity holders of the Company of NT$1,707 million (US$53 million) in 2016. We cannot give any assurances that there will not be any downturn in the
future or that any future downturn will not materially and adversely affect our results of operations.

Any deterioration in the market for end-user applications for semiconductor products would reduce demand for our services and may result in a decrease in our earnings.

Market conditions in the semiconductor industry track, to a large degree, those for their end-user
applications. Any deterioration in the market conditions for the end-user applications of semiconductors we test and assemble could reduce demand for our services and, in turn, could materially adversely
affect our financial condition and results of operations. Our revenue is largely attributable to fees derived from testing and assembling semiconductors for use in personal computers, communications equipment, consumer electronic products and
display applications. A significant decrease in demand for products in these markets could put pricing pressure on our assembly and test services and negatively affect our revenue and earnings. The LCD driver market often aligns with broader
economic trend, we cannot give any assurances that there will not be any downturn in the future or that any future downturn will not affect our results of operations. Any significant decrease in demand for
end-user applications of semiconductors will negatively affect our revenue and earnings.

A decline in
average selling prices for our services could result in a decrease in our earnings.

Historically, prices for our assembly and test
services in relation to any given semiconductor tend to decline over the course of its product and technology life cycle. See also A decrease in market demand for LCD and other flat-panel display driver semiconductors may adversely
affect our capacity utilization rates and thereby negatively affect our profitability. If we cannot reduce the cost of our assembly and test services, or introduce higher-margin assembly and test services for new package types, to offset the
decrease in average selling prices for our services, our earnings could decrease.



6



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##### Table of Contents

A reversal or slowdown in the outsourcing trend for semiconductor assembly and test services could reduce
our profitability.

Integrated device manufacturers, or IDMs, continue to increasingly outsource stages of the semiconductor
production process, including assembly and test, to independent companies like us to shorten production cycles. In addition, the availability of advanced independent semiconductor manufacturing services has also enabled the growth of so-called fabless semiconductor companies that focus exclusively on design and marketing and outsource their manufacturing, assembly and test requirements to independent companies. A substantial portion
of our revenue is indirectly generated from providing semiconductor assembly and test services to these IDMs and fabless companies. We cannot assure you that these companies will continue to outsource their assembly and test requirements to
independent companies like us. A reversal of, or a slowdown in, this outsourcing trend could result in reduced demand for our services, which in turn could reduce our profitability.

Risks Relating to Our Business

If we are unable to
compete effectively in the highly competitive semiconductor assembly and test markets, we may lose customers and our income may decline.

The semiconductor assembly and test markets are very competitive. We face competition from a number of IDMs with
in-house assembly and test capabilities and other independent semiconductor assembly and test companies. Our competitors may have access to more advanced technologies and greater financial and other resources
than we do. Many of our competitors have shown a willingness to reduce prices quickly and sharply in the past to maintain capacity utilization in their facilities during periods of reduced demand. In addition, an increasing number of our competitors
conduct their operations in lower cost centers in Asia such as Mainland China, Thailand, Vietnam and the Philippines. Any renewed or continued erosion in the prices or demand for our assembly and test services as a result of increased competition
could adversely affect our profits.

We are highly dependent on the market for memory products. A downturn in market prices for these products could
significantly reduce our revenue and profit.

A significant portion of our revenue is derived from testing and assembling memory
semiconductors. Our revenue derived from the assembly and test of memory semiconductors accounted for 46% and 48% of our revenue in 2015 and 2016, respectively. In the past, our service fees for testing and assembling memory semiconductors were
sharply reduced in tandem with the decrease in the average selling price of DRAM in the semiconductor industry. Oversupply of DRAM products and weak demand in the DRAM market may result in significant reductions in the price of DRAM products, which
in turn may drive down the average prices for our assembly and test services for DRAM products and further reduce our revenue and profit. We cannot assure you that there will not be further downturns in DRAM prices in the future.

A decrease in market demand for LCD and other flat-panel display driver semiconductors may adversely affect our capacity utilization rates and thereby
negatively affect our profitability.

Our assembly and test services for LCD and other flat-panel display driver semiconductors
generated revenue of NT$5,396 million and NT$4,920 million (US$152 million) in 2015 and 2016, respectively. We invested NT$1,366 million and NT$910 million (US$28 million) in 2015 and 2016, respectively, on equipment for tape
carrier package, or TCP, chip-on-film, or COF and chip-on-glass, or COG, technologies,
which are used in assembly and test services for LCD and other flat-panel display driver semiconductors. Most of this equipment may not be used for technologies other than TCP, COF or COG. The market demand for LCD and other flat-panel display
driver semiconductors and related assembly and test services increased in 2014 and 2015 compared to the market demand in 2013. Any significant decrease in demand for these products and our related services would significantly impair our capacity
utilization rates. That may result in our inability to generate sufficient revenue to cover the significant depreciation expenses for the equipment used in testing and assembling LCD and other flat-panel display driver semiconductors, thereby
negatively affecting our profitability. See also Because of our high fixed costs, if we are unable to achieve relatively high capacity utilization rates, our earnings and profitability may be adversely affected.



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##### Table of Contents

Our significant amount of indebtedness and interest expense will limit our cash flow and could adversely
affect our operations.

We have a significant level of debt and interest expense. As of December 31, 2016, we had
approximately NT$10,750 million (US$332million) and nil outstanding long-term and short-term indebtedness, respectively. Our long-term indebtedness as of December 31, 2016, represented bank loans with an interest rate of 1.7895%. As of
December 31, 2016, NT$8,300 million (US$256 million) of our indebtedness was secured by collateral comprised of our assets.

Our
significant indebtedness poses risks to our business, including the risks that:



| |  |  | we may have to use a substantial portion of our consolidated cash flow from operations to pay principal and interest on our debt, thereby reducing the funds available for working capital, capital expenditures,
acquisitions and other general corporate purposes;
| | - |  | --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------



| |  |  | insufficient cash flow from operations may force us to sell assets, or seek additional capital, which we may be unable to do at all or on terms favorable to us;
| | - |  | ----------------------------------------------------------------------------------------------------------------------------------------------------------------



| |  |  | our ability to sell assets or seek additional capital may be adversely affected by security interests in our assets granted to our lenders as collateral;
| | - |  | ---------------------------------------------------------------------------------------------------------------------------------------------------------



| |  |  | our level of indebtedness may make us more vulnerable to economic or industry downturns; and
| | - |  | --------------------------------------------------------------------------------------------



| |  |  | our debt service obligations increase our vulnerabilities to competitive pressures, because many of our competitors may be less leveraged than we are.
| | - |  | ------------------------------------------------------------------------------------------------------------------------------------------------------

For additional information on our indebtedness, see Item 5. Operating and Financial Review and ProspectsLiquidity and Capital
Resources.

Our results of operations may fluctuate significantly and may cause the market price of our common shares or of our ADSs to be
volatile.

Our results of operations have varied significantly from period to period and may continue to vary in the future. Among
the more important factors affecting our quarterly and annual results of operations are the following:



| |  |  | our ability to accurately predict customer demand, as we must commit significant capital expenditures in anticipation of future orders;
| | - |  | ---------------------------------------------------------------------------------------------------------------------------------------



| |  |  | our ability to quickly adjust to unanticipated declines or shortfalls in demand and market prices for our assembly and test services, due to our high percentage of fixed costs;
| | - |  | --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------



| |  |  | changes in prices for our assembly and test services;
| | - |  | -----------------------------------------------------



| |  |  | volume of orders relative to our assembly and test capacity;
| | - |  | ------------------------------------------------------------



| |  |  | capital expenditures and production uncertainties relating to the roll-out of new assembly and test services;
| | - |  | -------------------------------------------------------------------------------------------------------------



| |  |  | our ability to obtain adequate assembly and test equipment on a timely basis;
| | - |  | -----------------------------------------------------------------------------



| |  |  | changes in costs and availability of raw materials, equipment and labor;
| | - |  | ------------------------------------------------------------------------



| |  |  | changes in our product mix; and
| | - |  | -------------------------------



| |  |  | earthquakes, drought and other natural disasters, as well as industrial accidents.
| | - |  | ----------------------------------------------------------------------------------

Because of
the factors listed above, our future results of operations or growth rates may be below the expectations of research analysts and investors. If so, the market price of our common shares or of our ADSs, and the market value of your investment, may
fall.



8



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##### Table of Contents

We depend on key customers for a substantial portion of our revenue and a loss of, or deterioration of the
business from, or delayed payment by, any one of these customers could result in decreased revenue and materially adversely affect our results of operations and financial condition.

We depend on a small group of customers for a substantial portion of our business. In 2016, our top five customers, collectively accounted for
65% of our revenue. As part of our strategy, we have been focusing on sales to key customers through long-term service agreements. We also focus on our business with smaller customers and customers who do not place orders on a regular basis. We
expect that we will continue to depend on a relatively limited number of customers for a significant portion of our revenue. Any adverse development in our key customers operations, competitive position or customer base could materially reduce
our revenue and materially adversely affect our business and profitability.

Since semiconductor companies generally rely on service
providers with whom they have established relationships to meet their assembly and test needs for their applications and new customers usually require us to pass a lengthy and rigorous qualification process, if we lose any of our key customers, we
may not be able to replace them in a timely manner. We cannot assure you that receivable collection difficulties experienced by us will not occur in the future. If any of our key customers reduces or cancels its orders or terminates existing
contractual arrangements, and if we are unable to attract new customers and establish new contractual arrangements with existing or new customers, our revenue could be reduced and our business and results of operations may be materially adversely
affected.

Because of our high fixed costs, if we are unable to achieve relatively high capacity utilization rates, our earnings and profitability
may be adversely affected.

Our operations are characterized by a high proportion of fixed costs. For memory and logic/mixed-signal
semiconductor testing services, our fixed costs represented 49% and 49% of our total cost of revenue in 2015 and 2016, respectively. For memory and logic/mixed-signal semiconductor assembly services, our fixed costs represented 22% and 23% of our
total cost of revenue in 2015 and 2016, respectively. For LCD and other flat-panel display driver semiconductor assembly and test services, our fixed costs represented 45% and 47% of our total cost of revenue in 2015 and 2016, respectively. For
bumping services, our fixed costs represented 25% and 28% of our total cost of revenue in 2015 and 2016, respectively. Our profitability depends in part not only on absolute pricing levels for our services, but also on the utilization rates for our
assembly and test equipment, commonly referred to as capacity utilization rates. Increases or decreases in our capacity utilization rates can significantly affect our gross margins as unit costs generally decrease as the fixed costs are
allocated over a larger number of units. In the past, our capacity utilization rates have fluctuated significantly as a result of the fluctuations in the market demand for semiconductors. If we fail to increase or maintain our capacity utilization
rates, our earnings and profitability may be adversely affected. In addition, we have entered into various long-term assembly and test services agreements with certain of our customers that may require us to incur significant capital expenditures.
If we are unable to achieve high capacity utilization rates for the equipment purchased pursuant to these agreements, our gross margins may be materially and adversely affected.

The assembly and test process is complex and our production yields and customer relationships may suffer as a result of defects or malfunctions in our
testing and assembly equipment and the introduction of new packages.

Semiconductor testing and assembly are complex processes that
require significant technological and process expertise. Semiconductor testing involves sophisticated test equipment and computer software. We develop computer software to test our customers semiconductors. We also develop conversion software
programs that enable us to test semiconductors on different types of testers. Similar to most software programs, these software programs are complex and may contain programming errors or bugs. In addition, the testing process is subject
to human error by our employees who operate our test equipment and related software. Any significant defect in our testing or conversion software, malfunction in our test equipment or human error could reduce our production yields and damage our
customer relationships.

The assembly process involves a number of steps, each of which must be completed with precision. Defective
packages primarily result from:



| |  |  | contaminants in the manufacturing environment;
| | - |  | ----------------------------------------------



| |  |  | human error;
| | - |  | ------------



| |  |  | equipment malfunction;
| | - |  | ----------------------



| |  |  | defective raw materials; or
| | - |  | ---------------------------



| |  |  | defective plating services.
| | - |  | ---------------------------



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These and other factors have, from time to time, contributed to lower production yields. They may
do so in the future, particularly as we expand our capacity or change our processing steps. In addition, to be competitive, we must continue to expand our offering of packages. Our production yields on new packages typically are significantly lower
than our production yields on our more established packages. Our failure to maintain high standards or acceptable production yields, if significant and prolonged, could result in a loss of customers, increased costs of production, delays,
substantial amounts of returned goods and related claims by customers. Further, to the extent our customers have set target production yields, we may be required to compensate our customers in a pre-agreed
manner. Any of these problems could materially adversely affect our business reputation and result in reduced revenue and profitability.

Because of
the highly cyclical nature of our industry, our capital requirements are difficult to plan. If we cannot obtain additional capital when we need it, we may not be able to maintain or increase our current growth rate and our profits will suffer.

As our industry is highly cyclical and rapidly changing, our capital requirements are difficult to plan. To remain competitive, we
may need capital to fund the expansion of our facilities as well as to fund our equipment purchases and research and development activities. To meet our liquidity, capital spending and other capital needs, we have taken and plan to take certain
measures to generate additional working capital and to save cash. See Item 5. Operating and Financial Review and ProspectsLiquidity and Capital Resources. We cannot assure you that these plans and measures will be implemented or
will provide sufficient sources of capital.

In addition, future capacity expansions or market or other developments may require
additional funding. Our ability to obtain external financing in the future depends on a number of factors, many of which are beyond our control. They include:



| |  |  | our future financial condition, results of operations and cash flows;
| | - |  | ---------------------------------------------------------------------



| |  |  | general market conditions for financing activities by semiconductor assembly and test companies; and
| | - |  | ----------------------------------------------------------------------------------------------------



| |  |  | economic, political and other conditions in Taiwan and elsewhere.
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If we are unable to obtain
funding in a timely manner or on acceptable terms, our growth prospects and potential future profitability will suffer.

Disputes over intellectual
property rights could be costly, deprive us of technologies necessary for us to stay competitive, render us unable to provide some of our services and reduce our opportunities to generate revenue.

Our ability to compete successfully and achieve future growth will depend, in part, on our ability to protect our proprietary technologies and
to secure, on commercially acceptable terms, critical technologies that we do not own. We cannot assure you that we will be able to independently develop, or secure from any third party, the technologies required for our assembly and test services.
Our failure to successfully obtain these technologies may seriously harm our competitive position and render us unable to provide some of our services.

Our ability to compete successfully also depends on our ability to operate without infringing upon the proprietary rights of others. The
semiconductor assembly and test industry is characterized by frequent litigation regarding patent and other intellectual property rights. We may incur legal liabilities if we infringe upon the intellectual property or other proprietary rights of
others. We are not able to ascertain what patent applications have been filed in the United States or elsewhere, however, until they are granted. If any third party succeeds in its intellectual property infringement claims against us or our
customers, we could be required to:



| |  |  | discontinue using the disputed process technologies, which would prevent us from offering some of our assembly and test services;
| | - |  | ---------------------------------------------------------------------------------------------------------------------------------



| |  |  | pay substantial monetary damages;
| | - |  | ---------------------------------



| |  |  | develop non-infringing technologies, which may not be feasible; or
| | - |  | ------------------------------------------------------------------



| |  |  | acquire licenses to the infringed technologies, which may not be available on commercially reasonable terms, if at all.
| | - |  | -----------------------------------------------------------------------------------------------------------------------

Any one of these developments could impose substantial financial and administrative burdens on us and hinder our business. We are, from time
to time, involved in litigation in respect of intellectual property rights. Any litigation, whether as plaintiff or defendant, is costly and diverts our resources. If we fail to obtain necessary licenses on commercially reasonable terms or if
litigation, regardless of the outcome, relating to patent infringement or other intellectual property matters occurs, our costs could be substantially increased to impact our margins. Any such litigation could also prevent us from testing and
assembling particular products or using particular technologies, which could reduce our opportunities to generate revenue. For more information on litigation in respect of intellectual property rights, see Item 8. Financial
InformationLegal Proceedings.



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If we are unable to obtain raw materials and other necessary inputs from our suppliers in a timely and
cost-effective manner, our production schedules would be delayed and we may lose customers and growth opportunities and become less profitable.

Our operations require us to obtain sufficient quantities of raw materials at acceptable prices in a timely and cost-effective manner. We
source most of our raw materials, including critical materials like leadframes, organic substrates, epoxy, gold wire and molding compound for assembly, and tapes for TCP/COF, from a limited group of suppliers. We purchase all of our materials on a
purchase order basis and have no long-term contracts with any of our suppliers. From time to time, suppliers have extended lead times, increased the price or limited the supply of required materials to us because of market shortages. Consequently,
we may, from time to time, experience difficulty in obtaining sufficient quantities of raw materials on a timely basis. In addition, from time to time, we may reject materials that do not meet our specifications, resulting in declines in output or
yield. Although we typically maintain at least two suppliers for each key raw material, we cannot assure you that we will be able to obtain sufficient quantities of raw materials and other supplies of an acceptable quality in the future. It usually
takes from three to six months to switch from one supplier to another, depending on the complexity of the raw material. If we are unable to obtain raw materials and other necessary inputs in a timely and cost-effective manner, we may need to delay
our production and delivery schedules, which may result in the loss of business and growth opportunities and could reduce our profitability.

If we
are unable to obtain additional assembly and test equipment or facilities in a timely manner and at a reasonable cost, we may be unable to fulfill our customers orders and may become less competitive and less profitable.

The semiconductor testing and assembly business is capital intensive and requires significant investment in expensive equipment manufactured by
a limited number of suppliers. The market for semiconductor assembly and test equipment is characterized, from time to time, by intense demand, limited supply and long delivery cycles. Our operations and expansion plans depend on our ability to
obtain equipment from a limited number of suppliers in a timely and cost-effective manner. We have no binding supply agreements with any of our suppliers and we acquire our assembly and test equipment on a purchase order basis, which exposes us to
changing market conditions and other significant risks. Semiconductor assembly and test also requires us to operate sizeable facilities. If we are unable to obtain equipment or facilities in a timely manner, we may be unable to fulfill our
customers orders, which could negatively impact our financial condition and results of operations as well as our growth prospects. Currently, we do not have any long-term service agreements that require our commitment to acquire additional
assembly and test equipment or facilities. We cannot assure you, however, that such commitment will not be made in the future. See Item 4. Information on the CompanyCustomers.

If we are unable to manage the expansion of our operations and resources effectively, our growth prospects may be limited and our future profitability
may be reduced.

We expect to continue to expand the operations and to increase the number of employees. Rapid expansion puts a
strain on our managerial, technical, financial, operational and other resources. As a result of our expansion, we will need to implement additional operational and financial controls and hire and train additional personnel. We cannot assure you that
we will be able to do so effectively in the future, and our failure to do so could jeopardize our expansion plans and seriously harm our operations.

Republic of China law may be less protective of shareholder rights than laws of the United States or other jurisdictions.

Our corporate affairs are governed by our articles of incorporation and laws governing corporations incorporated in Republic of China
(ROC). The rights of our shareholders to bring shareholders suits against us or our board of directors under ROC law are more limited than those of the shareholders of U.S. corporations. For example, the ROC Company Act requires
that a shareholder continuously holds at least 3% of our issued and outstanding shares for at least a year may request our audit committee to institute an action against a director on the companys behalf. In addition, the controlling
shareholders of U.S. corporations owe fiduciary duties to minority shareholders, while controlling shareholders in ROC corporations do not. Therefore, our shareholders may be less able under ROC law than they would be under the laws of the United
States or other jurisdictions to protect their interests in connection with actions by our management, members of our board of directors or our controlling shareholder.

It may be difficult to bring and enforce suits against us in the United States.

We are incorporated in the ROC and a majority of our directors and most of our officers are not residents of the United States. A substantial
portion of our assets is located outside the United States. As a result, it may be difficult for our shareholders to serve notice of a lawsuit on us or our directors and officers within the United States. Because most of our assets are located
outside the United States, it may be difficult for our shareholders to enforce the United States judgments of United States courts. Any United States judgments obtained against us will not be enforced by ROC courts if any of the following situations
shall apply to such final judgment:



| |  |  | the court rendering the judgment does not have jurisdiction over the subject matter under ROC law;
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| |  |  | the judgment was rendered by default, except where the summons or order necessary for the commencement of the action was duly served on us within the jurisdiction of the court rendering the judgment within a reasonable
period of time and in accordance with the laws and regulations of such jurisdiction, or with judicial assistance of the ROC;
| | - |  | -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------



| |  |  | the judgment or the court procedures resulting in the judgment is contrary to the public order or good morals of the ROC; or
| | - |  | ----------------------------------------------------------------------------------------------------------------------------



| |  |  | the judgments of ROC courts are not recognized and enforceable in the jurisdiction of the court rendering the judgment on a reciprocal basis.
| | - |  | ---------------------------------------------------------------------------------------------------------------------------------------------

Investor confidence and the market price of our common shares or ADSs may be adversely impacted if we are unable to maintain effective internal control
over financial reporting in accordance with Section 404 of the Sarbanes-Oxley Act of 2002.

We are required to comply with the
ROC and US securities laws and regulations in connection with internal controls. As a public company in the United States, our management is required to assess the effectiveness of our internal control over financial reporting using the criteria
established in Internal Control  Integrated Framework (2013) issued by Committee of Sponsoring Organization of the Treadway Commission (COSO), as required by Section 404 of the Sarbanes-Oxley Act of 2002. For the year ended
December 31, 2016, management has concluded that, the material weakness identified in previous year has been remediated. See Item 15. Controls and Procedures for more information. Moreover, even if our management concludes that
our internal controls over our financial reporting are effective, our independent public registered accounting firm may disagree. If our independent public registered accounting firm is not satisfied with our internal controls over our financial
reporting or the level at which our controls are documented, designed, operated or reviewed, or if the independent public registered accounting firm interprets the requirements, rules or regulations differently from us, it may decline to attest to
our managements assessment or may issue an adverse opinion in the future. Any of these possible outcomes could result in an adverse reaction in the financial marketplace due to a loss of investor confidence in the reliability of our
consolidated financial statements, which ultimately could negatively impact the market prices of our common shares or ADSs.

Any environmental
claims or failure to comply with any present or future environmental regulations, or any new environmental regulations, may require us to spend additional funds, may impose significant liability on us for present, past or future actions, and may
dramatically increase the cost of providing our services to our customers.

We are subject to various laws and regulations relating
to the use, storage, discharge and disposal of chemical by-products of, and water used in, our assembly and gold bumping processes. Although we have not suffered material environmental claims in the past, a
failure or a claim that we have failed to comply with any present or future regulations could result in the assessment of damages or imposition of fines against us, suspension of production or a cessation of our operations or negative publicity. New
regulations could require us to acquire costly equipment or to incur other significant expenses. Any failure on our part to control the use of, or adequately restrict the discharge of, hazardous substances could subject us to future liabilities that
may materially reduce our earnings.

On March 4, 2016, due to the malfunction of its wastewater treatment facility, a factory of the
Company located in Chupei, Taiwan was found abnormally discharging wastewater. Upon notification, the Company was able to mitigate the environmental impact by immediately ceasing the abnormal discharge and collecting the wastewater that had been
discharged. The wastewater treatment facility was also immediately repaired and the factory resumed its normal operations on the next day, March 5, 2016. On April 15, 2016, the Hsinchu County Government imposed an administrative fine of
approximately NT$4 million (US$123 thousand) on the Company for the violation of the statutory effluent standards and the fine was paid on April 22, 2016.

Fluctuations in exchange rates could result in foreign exchange losses.

Currently, most of our revenue is denominated in NT dollars. Our cost of revenue and operating expenses, on the other hand, are incurred in
several currencies, including NT dollars, Japanese yen, US dollars and Renminbi, or RMB. In addition, a substantial portion of our capital expenditures, primarily for the purchase of assembly and test equipment, has been, and is expected to continue
to be, denominated in Japanese yen with much of the remainder in US dollars. We also have debt denominated in NT dollars, Japanese yen, US dollars and RMB. Fluctuations in exchange rates, primarily among the US dollar, the NT dollar and the Japanese
yen, will affect our costs and operating margins in NT dollar terms. In addition, these fluctuations could result in exchange losses and increased costs in NT dollar terms. Despite selective hedging and other techniques implemented by us,
fluctuations in exchange rates have affected, and may continue to affect, our financial condition and results of operations.



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We may not be successful in our acquisitions, investments, joint ventures and dispositions, and may
therefore be unable to implement fully our business strategy.

On December 11, 2015, the board of directors of the Company
authorized and the Company and Tsinghua Unigroup Ltd. (Tsinghua Unigroup) executed a share subscription agreement (the Tsinghua Share Subscription Agreement), to issue and sell 299,252,000 common shares of the Company, par
value NT$10 per share to Tsinghua Unigroup in a private placement (the Private Placement) at a price of NT$40.0 per common share of the Company representing an aggregate purchase price of approximately NT$12.0 billion. On
November 30, 2016, the Company and Tsinghua Unigroup mutually agreed to terminate the Tsinghua Share Subscription Agreement and to form a joint-venture. Under the joint-venture, ChipMOS TECHNOLOGIES (BVI) LTD. (ChipMOS BVI), a
wholly-owned subsidiary of the Company, will sell 54.98% of the equity interests of its wholly-owned subsidiary, ChipMOS Shanghai, to strategic investors, including Tibet Unigroup Guowei Investment Co., Ltd. (Unigroup Guowei), a
subsidiary of Tsinghua Unigroup, which will hold 48% equity interests of ChipMOS Shanghai, and the other strategic investors, including a limited partnership owned by ChipMOS Shanghais employees, will own 6.98% equity interest of ChipMOS
Shanghai. The transaction was completed on March 24, 2017. ChipMOS Shanghai is no longer the subsidiary of the Company following the completion of equity interest transfer. Please see Item 4. Information on the CompanyAgreements
with Tsinghua Unigroup Ltd. for additional information.

The success of our acquisitions, investments, joint ventures and
dispositions depends on a number of factors, including:



| |  |  | our ability to identify suitable investment, acquisition, joint venture or disposition opportunities;
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| |  |  | our ability to reach an agreement for an acquisition, investment, joint venture or disposition opportunity on terms that are satisfactory to us or at all;
| | - |  | ----------------------------------------------------------------------------------------------------------------------------------------------------------



| |  |  | the extent to which we are able to exercise control over the acquired or joint venture company;
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| |  |  | our ability to align the economic, business or other strategic objectives and goals of the acquired company with those of our company; and
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| |  |  | our ability to successfully integrate the acquired or joint venture company or business with our company.
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If we are unsuccessful in our acquisitions, investments, joint ventures and dispositions, we may not be able to implement fully our business
strategy to maintain or grow our business.

We depend on key personnel, and our revenue could decrease and our costs could increase if we lose their
services.

We depend on the continued service of our executive officers and skilled engineering, technical and other personnel. We
will also be required to hire a substantially greater number of skilled employees in connection with our expansion plans. In particular, we depend on a number of skilled employees in connection with our LCD and other flat-panel display driver
semiconductor assembly and test services, and the competition for such employees in Taiwan and Mainland China is intense. We may not be able to either retain our present personnel or attract additional qualified personnel as and when needed.
Moreover, we do not carry key person insurance for any of our executive officers nor do we have employment contracts with any of our executive officers or employees, and, as a result, none of our executive officers or employees is bound by any non-competition agreement. If we lose any of our key personnel, it could be very difficult to find and integrate replacement personnel, which could affect our ability to provide our services, resulting in reduced
revenue and earnings. In addition, we may need to increase employee compensation levels in order to retain our existing officers and employees and to attract additional personnel. As of March 31, 2017, 20.35% of the workforce at our facilities
are foreign workers employed by us under work permits that are subject to government regulations on renewal and other terms. Consequently, if the regulations in Taiwan relating to the employment of foreign workers were to become significantly more
restrictive or if we are otherwise unable to attract or retain these workers at reasonable cost, we may be unable to maintain or increase our level of services and may suffer reduced revenue and earnings.

If our security measures are breached and unauthorized access is obtained to our information technology systems, we may lose proprietary data.

Our security measures may be breached as a result of third-party action, including computer hackers, employees error, malfeasance
or otherwise, and result in unauthorized access to our customers data or our data, including our intellectual property and other confidential business information, or our information technology systems. Because the techniques used to obtain
unauthorized access, or to sabotage systems, change frequently, we may be unable to anticipate these techniques or to implement adequate preventative measures. Any security breach could result in disclosure of our trade secrets, confidential
customer, supplier or employee data, which could result in legal liability, harm to our reputation and otherwise harm our business.



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Risks Relating to Countries in Which We Conduct Operations

ROC laws and regulations limit or prohibit certain technology cooperation between ROC persons or entities with PRC persons or entities, and our current
technology transfer arrangements between the Company and ChipMOS Shanghai may be found to be in violation of any such limitation or prohibition, which may result in a fine of between NT$50 thousand and NT$25 million and the termination of
such technology transfer arrangements and therefore have a material adverse effect on the operations of ChipMOS Shanghai and our financial condition and results of operations.

ROC laws and regulations previously prohibited any transfer of semiconductor assembly and test technologies to any person or entity located in
Mainland China, except for transfers involving certain low-end semiconductor assembly and test technologies, such as conventional wire bond assembly technology, if certain requirements are met. The ROC
Ministry of Economic Affairs has the ultimate administrative authority in interpreting such laws and regulations. In February 2010, these restrictions have been relaxed, so that ROC entities may transfer semiconductor assembly and test technologies
to any person or entity located in Mainland China after they have obtained approval from the Investment Commission of the ROC Ministry of Economic Affairs (MOEAIC). Under a technology transfer agreement, dated August 1, 2002,
ChipMOS Bermuda, the parent company of the Company before its merger with and into the Company effective on October 31, 2016, licensed to ChipMOS Shanghai certain assembly and test-related technologies that were then controlled by ChipMOS
Bermuda, which included technologies that were licensed to ChipMOS Bermuda by the Company. ChipMOS Bermuda continued to license such technologies to ChipMOS Shanghai pursuant to a technology transfer agreement dated October 3, 2011 with
effective date on August 1, 2012. ChipMOS Bermuda also provided ChipMOS Shanghai with technical support and consulting services under this agreement. Following the merger of ChipMOS Bermuda and the Company which was effective on
October 31, 2016 (the Merger), the Company is the surviving company to provide ChipMOS Shanghai with technical support and consulting services. On May 27, 2016, the Company and ChipMOS Shanghai executed another technology
transfer and license agreement under which the Company licensed ChipMOS Shanghai certain technologies relating to LCD driver IC assembly and testing and wafer bumping.

In the opinion of Lee and Li, our ROC special counsel, since our technology transfer arrangements as described above have been approved by the
MOEAIC, they are in compliance with all applicable ROC laws and regulations. However, substantial uncertainties remain regarding the interpretation and application of those laws and regulations. Accordingly, we cannot assure you that ROC regulatory
authorities will not take a view contrary to the opinion of our ROC special counsel. If we were determined to be in violation of applicable ROC laws and regulations governing technology cooperation with PRC persons and entities, we may be subject to
a fine of between NT$50 thousand and NT$25 million and may be ordered by the MOEAIC to terminate or rectify such activity within a specified period of time. Any termination of our current technology transfer to ChipMOS Shanghai could
materially adversely affect our Mainland China operations and our financial condition, results of operations or prospects, as well as the market price of our common shares or ADSs.

Our ability to direct the operations we conduct through our affiliated companies that we do not fully own may be limited by legal duties owed to other
shareholders of such companies.

Certain of our operations are conducted through companies that we do not fully own. For example,
as of March 31, 2017, the Company owned 45.02% equity interests of ChipMOS Shanghai through its wholly-owned subsidiary ChipMOS BVI. On November 12, 2014, the Company made announcement for the contemplated merger with ThaiLin Semiconductor
Corp. (ThaiLin). The merger was completed on June 17, 2015. We also conduct other activities through our affiliated entities. See also Risks Relating to Our Common Shares or ADSsThe Companys ability to
maintain its listing and trading status of common shares on the Taiwan Stock Exchange or ADSs on the NASDAQ Stock Market is dependent on factors outside of the Companys control and satisfaction of stock exchange requirements. The Company may
not be able to overcome such factors that disrupt its trading status of common shares on the Taiwan Stock Exchange or ADSs on the NASDAQ Stock Market or satisfy other eligibility requirements that may be required of it in the future and
Item 7. Major Shareholders and Related Party TransactionsRelated Party Transactions.

In accordance with the various
laws of the relevant jurisdictions in which our subsidiaries and affiliates are organized, each of our subsidiaries and affiliates and their respective directors owe various duties to their respective shareholders. As a result, the actions we wish
our subsidiaries or affiliates to take could be in conflict with their or their directors legal duties owed to their other shareholders. When those conflicts arise, our ability to cause our subsidiaries or affiliates to take the action that we
desire may be limited.



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Any future outbreak of health epidemics and outbreaks of contagious diseases, including avian influenza,
swine flu, Severe Acute Respiratory Syndrome, or Ebola virus disease, may materially affect our operations and business.

Influenza
viruses circulating in animals pose threats to human health. Humans can become ill when infected with viruses from animal sources, such as avian influenza virus subtypes H5N1, H9N2 and H7N9 and swine influenza virus subtypes H1N1 and H3N2. An
outbreak of a contagious disease such as New Influenza A or more commonly known as the bird flu and swine flu, Severe Acute Respiratory Syndrome (SARS), or avian influenza with virus subtype H7N9, for which there is
inadequate treatment or no known cure or vaccine, may potentially result in a quarantine of infected employees and related persons, and adversely affect our operations at one or more of our facilities or the operations of our customers or suppliers.
We cannot predict the impact that any further future outbreak of the aforementioned influenza viruses or other diseases could have on our business and results of operations.

Also, according to World Health Organization, the current outbreak of in West Africa is the largest and most complex Ebola virus disease (EVD)
outbreak since the Ebola virus was first discovered in 1976. There have been more cases and deaths in this outbreak than all others combined. It has also spread between countries starting in Guinea then spreading across land borders to Sierra Leone
and Liberia, by air to Nigeria, and by land to Senegal. People remain infectious as long as their blood and body fluids, including semen and breast milk, contain the virus. Men who have recovered from the disease can still transmit the virus through
their semen for up to 7 weeks after recovery from illness. There is as yet no proven treatment available for EVD. As such, we cannot predict the impact that any future outbreak of EVD could have on our business and results of operations.

We face substantial political risk associated with doing business in Taiwan, particularly due to recent domestic political events and the strained
relations between the Republic of China and the Peoples Republic of China, that could negatively affect our business and the market price of our common shares or ADSs.

Our principal executive offices and most of our assembly and test facilities are located in Taiwan. As a result, our business, financial
condition and results of operations and the market price of our common shares or ADSs may be affected by changes in ROC governmental policies, as well as social instability and diplomatic and social developments in or affecting Taiwan which are
beyond our control. For example, the ROC has a unique international political status. The PRC government regards Taiwan as a renegade province and does not recognize the legitimacy of the ROC as an independent country. Although significant economic
and cultural relations have been positively strengthened in recent years between the ROC and the PRC, relations have often been strained. In March 2005, the PRC government enacted the Anti-Secession Law codifying its policy of retaining
the right to use military force to gain control over Taiwan, particularly under what it considers as highly provocative circumstances, such as a declaration of independence by Taiwan or the refusal by the ROC to accept the PRCs stated
One China policy. On March 18, 2014, students and certain civic groups initiated the Sunflower Student Movement as a protest movement in the Legislative Yuan and, later, also the Executive Yuan of the Republic of China (Taiwan). The
activists protested the passing of the Cross-Strait Service Trade Agreement (CSSTA) proposed by the then ruling party Kuomintang (KMT) at the legislature without a clause-by-clause review. The protesters perceive that the passage of CSSTA failed to meet the required formal procedures and that the ratification of CSSTA with PRC would hurt Taiwans economy and leave
it vulnerable, among others, to political pressure from Beijing, while the supporters view the trade pact would allow the two sides to conduct business operations more freely in each others services market. The Sunflower Student Movement marks
the first time that legislature has been occupied by citizens in the history of Taiwan. On April 10, 2014, the 24-days occupation of the Legislative Yuan has concluded. The CSSTA has been put on hold ever
since the Sunflower Student Movement.

On January 18, 2016, Taiwan held the Presidential Election and the General Election for the
Legislative Yuan, the parliament of the ROC. Tsai Ing-Wen of the pro-independence Democratic Progressive Party (DPP) won the Presidential Election and the
DPP gained the majority of the seats in the Legislative Yuan for the first time in its history. The President-Elect Tsai Ing-Wen and the DPP had stressed on how they are keen to maintain the status quo with
China. In a statement issued after Tsais win, the Chinese Cabinets body for handling Taiwan affairs reaffirmed its opposition to Taiwan independence, but said it would work to maintain peace and stability between the two sides of the
Taiwan Strait. Past developments related to the interaction between the ROC and the PRC have on occasion depressed the market prices of the securities of Taiwanese or Taiwan-related companies, including our own. We cannot assure you any contentious
situations between Taiwan and China will resolve in maintaining the current status quo or remain peaceful. Relations between the ROC and the PRC and other factors affecting military, political or economic stability in Taiwan could have a material
adverse effect on our financial condition and results of operations, as well as the market price and the liquidity of our common shares or ADSs.



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The business and operations of our business associates and our own business operations are vulnerable to
disruptions that may be caused by natural disasters and other events.

We currently provide most of our test services through our
facilities in the Hsinchu Industrial Park and the Hsinchu Science Park in Taiwan, and all of our assembly services through our facility in the Southern Taiwan Science Park. We also have an affiliate provides test and assembly services through its
facility in Shanghai Qingpu Industrial Zone. Significant damage or other impediments to these facilities as a result of natural disasters, industrial strikes or industrial accidents could significantly increase our operating costs.

Certain regions we operate in are particularly susceptible to earthquakes and associated natural disasters. For example, in late 1999, Taiwan
suffered severe earthquakes which caused significant property damages and loss of life, particularly in the central part of Taiwan. The earthquakes damaged production facilities and adversely affected the operations of many companies involved in the
semiconductor and other industries. We experienced an aggregate of NT$8 million in damages to our machinery and equipment, facilities, inventory and five days of delay in production schedule as a result of the event. In March 2011, Sendai of
Japan registered an earthquake of 9.0 Mw (moment magnitude scale) off the coast of Japan (the Sendai Earthquake). The Sendai Earthquake was recorded as most powerful earthquake to hit Japan and the fourth most powerful earthquake in the
world. The earthquake triggered tsunami warnings and evacuations along Japans Pacific coast and in at least 20 countries, including Taiwan and Mainland China. In April 2013, an earthquake registering a magnitude of approximately 6.6-7.0 Mw with epicenter located in Lushan County, Yaan, Sichuan (the Lushan Earthquake). ReliefWeb, part of the United Nations Office for the Coordination of Humanitarian Affairs (OCHA) released
information on July 23, 2013 confirming 196 deaths and up to 2 persons missing and 14,785 injured victim reports. On February 6, 2016, Meinong District of Kaohsiung, Taiwan registered an earthquake of 6.4 Mw (the Meinong
Earthquake). The Meinong Earthquake claimed 117 deaths and 551 injured victims. We had a very minor impact at our manufacturing operations in the Southern Taiwan Science Park primarily due to power interruption in the immediate wake of the
earthquake.

In January and February 2008, certain parts of Mainland China, particularly in the southern, central and eastern regions,
experienced reportedly the most severe winter in the country in recent decades, which resulted in significant and extensive damages to factories, power lines, homes, automobiles, crops and other properties, blackouts, transportation and
communications disruptions and other losses in the affected areas. In addition, in May 2008, certain semiconductor companies with facilities in eastern Mainland China experienced production disruption reportedly due to power outages caused by the
failure of certain electricity supply system in the area where the plants are located. We cannot assure you that the facilities in the Shanghai Qingpu Industrial Zone will not be adversely affected by future snowstorms, power outages, earthquakes or
other similar events.

Natural disasters and other events like aforementioned events cause severe property damages to townships,
infrastructures and death and injuries to Civilians. In Sendai Earthquake, many electrical generators were disabled, and at least three nuclear power plant reactors partially melted down and experienced a chemical explosion extensively damaging
surrounding buildings. We cannot assure you that our production facilities, operations and market located in Taiwan and Mainland China will not be adversely affected as result of the events that take place overseas like the Sendai Earthquake,
including radiation emission from the damaged nuclear power plants or subsequent future earthquakes that may take place.

The production
facilities of many of our suppliers, customers and providers of complementary semiconductor manufacturing services, including foundries, are located in Taiwan and Mainland China. If our customers are adversely affected by natural disasters or other
events occurring in or affecting these geographic areas, it could result in a decline in the demand for our assembly and test services. If our suppliers and providers of complementary semiconductor manufacturing services are affected by such events,
our production schedule could be halted or delayed. As a result, a major earthquake, snowstorm, other natural disaster, industrial strike, industrial accident or other disruptive event occurring in or affecting Taiwan or Mainland China could
severely disrupt our normal operation of business and have a material adverse effect on our financial condition and results of operations.

Any
future outbreak of radiation-related disease as a result of nuclear power plant reactors damage caused by the Sendai Earthquake may materially adversely affect our operations and business.

The Sendai Earthquake raises tremendous concerns about the possible effects of radiation emission from the damaged nuclear power plants.
Japanese official authorities are working with experts in assessing the risk and determining the best courses of actions to implement to escape harmful radiation. The potential health effects due to exposure to harmful radiation may be temporary or
permanent harmful effects in nature.



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Multiple radioactive gases could possibly be emitted in a situation where uranium attains a
meltdown state, which is a severe overheating of the core of a nuclear reactor, in which the core melts and radiation and heat are caused to escape. This would occur if the containment system partially or fully fails. The particles that
are released with the gases due to the meltdown would be the spewed particles of iodine-131, strontium-90 and cesium-137. These
might enter into a human by being swallowed, absorbed through the skin, or inhaled. Depending on the chemical characteristics of each of these and their predilection for certain body tissues, they could cause cancers of such organs as bones, soft
tissues near bones, thyroid gland, and the bone marrow (typically known as leukemia).

Acute or very high level radiation exposure can
cause a person to become very ill or to die quickly. Ionizing radiation, which is defined as high-energy particles or electromagnetic waves that can break chemical bonds, damage humans by disrupting cellular function, particularly in tissues with
rapid growth and turnover of cells. Intense, high level and/or excessive radiation exposure may result in acute radiation syndrome whereby harmful effects to the human body may be evidenced by skin burns, internal organ deterioration, bleeding,
vomiting, bone marrow distortion and deaths. If the radiation exposure is less intense and/or more prolonged at a lower level, then the central nervous system, kidneys, thyroid gland, and liver may be affected. Cancer is the most well-known effect,
and may affect virtually any significantly exposed tissue.

Certain health effects due to exposure to harmful radiation does not have
adequate treatment or known cure or vaccine, consequently, may potentially result in a quarantine of infected employees and related persons, and adversely affect our operations at one or more of our facilities or the operations of our customers or
suppliers. We cannot predict the probability of any future outbreak of radiation related diseases as a possible result of nuclear power plants damage caused by the Sendai Earthquake or the extent of the material adverse impact that this could have
on our business and results of operations.

Risks Relating to Our Common Shares or ADSs

The Companys ability to maintain its listing and trading status of common shares on the Taiwan Stock Exchange or ADSs on the NASDAQ Stock Market is
dependent on factors outside of the Companys control and satisfaction of stock exchange requirements. The Company may not be able to overcome such factors that disrupt its trading status of common shares on the Taiwan Stock Exchange or ADSs on
the NASDAQ Stock Market or satisfy other eligibility requirements that may be required of it in the future.

The Company became
listed and commenced trading its common shares on the main board of Taiwan Stock Exchange (TWSE) on April 11, 2014 and its ADSs on the NASDAQ Stock Market (NASDAQ) on November 1, 2016. For a TWSE-listed and
NASDAQ-listed company to continue trading on the main board of TWSE and NASDAQ depends in part on market conditions and other factors that may not within the control of the Company. For these reasons there can be no assurance that the Companys
shares will continue to be listed or traded on the TWSE or ADSs will continue to be listed or traded on the NASDAQ.

Volatility in the price of our
common shares or ADSs may result in shareholder litigation that could in turn result in substantial costs and a diversion of our managements attention and resources.

The financial markets in the United States and other countries have experienced significant price and volume fluctuations, and market prices of
technology companies have been and continue to be extremely volatile. Volatility in the price of our common shares or ADSs may be caused by factors outside of our control and may be unrelated or disproportionate to our results of operations. In the
past, following periods of volatility in the market price of a public companys securities, shareholders have frequently instituted securities class action litigation against that company. Litigation of this kind could result in substantial
costs and a diversion of our managements attention and resources.

Certain provisions in our constitutive documents and in our severance
agreements with our executive officers make the acquisition of us by another company more difficult and costly and therefore may delay, defer or prevent a change of control.

In 2007, we entered into change in control severance agreements with certain executive officers pursuant to which we agreed to pay certain
severance payments if a change in control event (as defined in the change in control severance agreements) occurs and the employment of such executive officer is terminated by our company other than for cause or by such executive officer for good
reasons within two years following the occurrence of the change in control event. These agreements may increase the cost of a party seeking to effect a change in control of our company.



17



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Future sales, pledge or issuance of common shares or ADSs by us or our current shareholders could depress
our share price or ADSs price and you may suffer dilution.

Sales of substantial amounts of shares or ADSs in the public market,
the perception that future sales may occur, or the pledge of a substantial portion of our common shares or ADSs could depress the prevailing market price of our shares or ADSs. See Item 7. Major Shareholders and Related Party
TransactionsMajor Shareholders for further information about our major shareholders.

The Company was listed and commenced
trading of common shares on the main board of TWSE on April 11, 2014. See Risks Relating to Our Common Shares or ADSsThe Companys ability to maintain its listing and trading status of common shares on the Taiwan Stock
Exchange or ADSs on the NASDAQ Stock Market is dependent on factors outside of the Companys control and satisfaction of stock exchange requirements. The Company may not be able to overcome such factors that disrupt its trading status of common
shares on the Taiwan Stock Exchange or ADSs on the NASDAQ Stock Market or satisfy other eligibility requirements that may be required of it in the future for additional information on the Companys listing on the main board of TWSE. We
plan to issue, from time to time, additional shares in connection with employee compensation and to finance possible future capital expenditures, investments or acquisitions. See Item 6. Directors, Senior Management and
EmployeesRestricted Shares for a discussion of the plan of the Restricted Shares that we have adopted for the benefit of our employees. The issuance of additional shares may have a dilutive effect on other shareholders and may cause the
price of our common shares or ADSs to decrease.

On December 11, 2015, the Board of the Company authorized and the Company and
Tsinghua Unigroup executed the Tsinghua Share Subscription Agreement, to sell and issue 299,252,000 shares of the Company to Tsinghua Unigroup through the Private Placement at a price of NT$40.0 per common share representing an aggregate purchase
price of approximately NT$12.0 billion. On November 30, 2016, the Company and Tsinghua Unigroup mutually agreed to terminate the Tsinghua Share Subscription Agreement and to form a joint-venture. Under the joint-venture, ChipMOS BVI, a
wholly-owned subsidiary of the Company, will sell 54.98% of the equity interests of its wholly-owned subsidiary, ChipMOS Shanghai, to strategic investors, including Unigroup Guowei, a subsidiary of Tsinghua Unigroup, which will hold 48% equity
interests of ChipMOS Shanghai. The transaction was completed on March 24, 2017 and ChipMOS Shanghai is no longer the subsidiary of the Company.

Holders of Our ADSs will not have the same voting rights as holders of our shares.

The voting rights of a holder of our ADSs are governed by the Deposit Agreement and are able to exercise voting rights on an individual basis
as follows: if a holder of our ADSs outstanding at the relevant record date instructs the depositary to vote in a particular manner for or against a resolution, including the election of directors, the depositary will cause all the Company shares
represented by such holders ADSs to be voted in that manner. If the depositary does not receive timely instructions from a holder of our ADSs outstanding at the relevant record date to vote in a particular manner for or against any resolution,
including the election of directors, such holders of our ADSs will be deemed to have instructed the depositary or its nominee to give a discretionary proxy to a person designated by the Company to vote all the Company shares represented by such
holders ADSs at the discretion of such person, which may not be in the interest of holders of our ADSs.

If a
non-ROC holder of our ADSs withdraws and holds our shares, such holder of our ADSs will be required to appoint a tax guarantor, local agent and custodian in the ROC and register with the TWSE in order to buy
and sell securities on the TWSE.

When a non-ROC holder of our ADSs elects to withdraw and
hold our shares represented by our ADSs, such holder of our ADSs will be required to appoint an agent for filing tax returns and making tax payments in the ROC. Such agent will be required to meet the qualifications set by the ROC Ministry of
Finance and, upon appointment, will become the guarantor of the withdrawing holders tax payment obligations. Evidence of the appointment of a tax guarantor, the approval of such appointment by the ROC tax authorities and tax clearance
certificates or evidentiary documents issued by such tax guarantor may be required as conditions to such holder repatriating the profits derived from the sale of our shares. We cannot assure you that a withdrawing holder will be able to appoint, and
obtain approval for, a tax guarantor in a timely manner.

In addition, under current ROC law, such withdrawing holder is required to
register with the TWSE and appoint a local agent in the ROC to, among other things, open a bank account and open a securities trading account with a local securities brokerage firm, pay taxes, remit funds and exercise such holders rights as a
shareholder. Furthermore, such withdrawing holder must appoint a local bank or local securities firm to act as custodian for confirmation and settlement of trades, safekeeping of securities and cash proceeds and reporting and declaration of
information. Without satisfying these requirements, non-ROC withdrawing holders of our ADSs would not be able to hold or otherwise subsequently sell our shares on TWSE or otherwise. Appointment of an agent or
a tax guarantor might also occur additional costs.



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Pursuant to Mainland Investors Regulations, only qualified domestic institutional investors (the
QDIIs, each a QDII) or persons that have otherwise obtained the approval from the MOEAIC and registered with the TWSE are permitted to withdraw and hold our shares from a depositary receipt facility. In order to hold our
shares, such QDIIs are required to appoint an agent and custodian as required by the Mainland Investors Regulations. If the aggregate amount of our shares held by any QDII or shares received by any QDII upon a single withdrawal accounts for 10.0%
our total issued and outstanding shares, such QDII must obtain the prior approval from the MOEAIC. We cannot assure you that such approval would be granted.

Restriction on the ability to deposit our shares into our ADR facility may adversely affect the liquidity and price of our ADSs.

The ability to deposit our shares into our ADR facility is restricted by ROC law. Under current ROC law, no person or entity, including you and
the Company, may deposit our shares into our ADR facility without specific approval of the Financial Supervisory Commission of the ROC, or the FSC, unless:



| | (1) | the Company pays stock dividends on our shares;
| | --- | -----------------------------------------------



| | (2) | the Company makes a free distribution of our shares;
| | --- | ----------------------------------------------------



| | (3) | holders of our ADSs exercise preemptive rights in the event of capital increases; or
| | --- | ------------------------------------------------------------------------------------



| | (4) | to the extent permitted under the Deposit Agreement and the relevant custody agreement, investors purchase our shares, directly or through the depositary, on the TWSE, and deliver our shares to the custodian for deposit
into our ADR facility, or our existing shareholders deliver our shares to the custodian for deposit into our ADR facility.
| | --- | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------

With respect to item (4) above, the depositary may issue our ADSs against the deposit of our shares only if the total number of our ADSs
outstanding following the deposit will not exceed the number of our ADSs previously approved by the FSC, plus any our ADSs issued pursuant to the events described in items (1), (2) and (3) above.

In addition, in the case of a deposit of our shares requested under item (4) above, the depositary will refuse to accept deposit of such
our shares if such deposit is not permitted under any legal, regulatory or other restrictions notified by the Company to the depositary from time to time, which restrictions may include blackout periods during which deposits may not be made, minimum
and maximum amounts and frequency of deposits.

The depositary will not offer holders of our ADSs preemptive rights unless the
distribution of both the rights and the underlying our shares to our ADS holders are either registered under the Securities Act or exempt from registration under the Securities Act.

The rights of holders of our ADSs to participate in our rights offerings is limited, which could cause dilution to your holdings.

The Company may from time to time distribute rights to its shareholders, including rights to acquire its securities. Under the Deposit
Agreement, the depositary will not offer holders of our ADSs those rights unless both the distribution of the rights and the underlying securities to all our ADS holders are either registered under the Securities Act or exempt from the registration
under the Securities Act. Although the Company may be eligible to take advantage of certain exemptions under the Securities Act available to certain foreign issuers for rights offering, the Company can give no assurances that it will be able to
establish an exemption from registration under the Securities Act, and it is under no obligation to file a registration statement for any of these rights. Accordingly, holders of our ADSs may be unable to participate in our rights offerings and may
experience dilution of their holdings.

If the depositary is unable to sell rights that are not exercised or not distributed or if the
sale is not lawful or reasonably practicable, it will allow the rights to lapse, in which case holders of our ADSs will receive no value for these rights.

Changes in exchanges controls which restrict your ability to convert proceeds received from your ownership of our ADSs may have an adverse effect on the
value of your investment.

Under current ROC law, the depositary, even without obtaining approvals from the Central Bank of the
Republic of China (Taiwan) or any other governmental authority or agency of the ROC, may still convert NT dollars into other currencies, including US dollars, for:



| |  |  | the depositary of the sale of common shares represented by ADSs or received as stock dividends from our shares and deposited into the depositary receipt facility; and
| | - |  | ----------------------------------------------------------------------------------------------------------------------------------------------------------------------



| |  |  | any cash dividends.
| | - |  | -------------------



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In addition, the depositary may also convert into NT dollars incoming payments for purchase of
common shares for deposit in ADR facility against the creation of additional ADSs. However, the depositary may be required to obtain foreign exchange approval from the Central Bank of the Republic of China (Taiwan) on a payment-by-payment basis for conversion from NT dollars into foreign currencies of the proceeds from the sale of subscription rights for new common shares. Although it is
expected that the Central Bank of the Republic of China (Taiwan) will grant this approval as a routine manner, we cannot assure you that in the future any approval will be obtained in a timely manner, or at all.

Under the ROC Foreign Exchange Control Law, the Executive Yuan of the ROC government may, without prior notice but subject to subsequent
legislative approval, impose foreign exchange controls in the event of, among other things, a material change in international economic conditions. We cannot assure you that foreign exchange controls or other restrictions will not be introduced in
the future.



|Item 4. | Information on the Company
|------- | --------------------------

Overview of the Company

We are one of the leading independent providers of semiconductor assembly and test services. Specifically, we are one of the leading
independent providers of testing and assembly services for LCD and other flat-panel display driver semiconductors and advanced memory and logic/mixed-signal products in Taiwan. The depth of our engineering expertise and the breadth of our assembly
and test technologies enable us to provide our customers with advanced and comprehensive assembly and test services. In addition, our geographic presence in Taiwan is attractive to customers wishing to take advantage of the logistical and cost
efficiencies stemming from our close proximity to foundries and producers of consumer electronic products in Taiwan. Our production facilities are located in Hsinchu and Tainan, Taiwan.

Our Structure and History

We are a company limited by shares, incorporated on July 28, 1997, under the ROC Company Act, under the name ChipMOS TECHNOLOGIES
INC., as a joint venture company between Mosel Vitelic Inc. (Mosel) and Siliconware Precision Industries Co., Ltd. (Siliconware Precision) and with the participation of other investors. Our operations consist of the
assembly and test of semiconductors as well as gold bumping and memory module manufacturing. Our principal place of business is located at No. 1, R&D Road 1, Hsinchu Science Park, Hsinchu, Taiwan, ROC and its phone number is (886) 3 577
0055 and our Internet website address is http://www.chipmos.com.

In January 2001, ChipMOS Bermuda acquired an equity interest
in the Company issuing its shares to the Companys shareholders in exchange for their 70.3% shareholding in the Company. In October 2001, the Company issued 6,911,732 common shares as employee bonuses. In December 2002, ChipMOS Bermuda issued
132,793 shares in exchange for 5,633,442 shares of the Company held by these employees. On September 14, 2007, the Company completed a share exchange transaction with ChipMOS Bermuda pursuant to which ChipMOS Bermuda exchanged one common share
for every 8.4 common shares of the Company. Following the completion of the share exchange transaction, the Company became ChipMOS Bermudas wholly-owned subsidiary. In February 2010, ChipMOS Bermuda agreed to sell 15.8% of the Companys
outstanding shares to Siliconware Precision. The share purchase transaction was completed in January 2011.

As part of the Companys
listing plan on the TWSE, on April 16, 2013, ChipMOS Bermuda completed the sale of 6.5 million common shares of the Company, at the price of NT$15.0 per share to the Companys underwriters and certain others, including non-US employees of the Company. From September 2, 2013 to October 3, 2013, ChipMOS Bermuda sold 180 million common shares of the Company, at the price of NT$20.0 per shares to investors. The Company
became listed and commenced trading on the main board of TWSE on April 11, 2014.

According to the merger agreement, entered between
the Company and ChipMOS Bermuda dated January 21, 2016 (the Merger Agreement), ChipMOS Bermuda merged with and into the Company, with the Company being the surviving company after the Merger. The transaction was accounted as capital
reorganization within the Company and its subsidiaries (the Group), please see Item 5. Operating and Financial Review and ProspectsRecent Acquisitions. Any common shares of ChipMOS Bermuda issued and outstanding
immediately prior to the effective time of the Merger was cancelled and, in exchange, each former holder of such cancelled common shares of ChipMOS Bermuda was entitled to receive, with respect to each such share (i) US$3.71 in cash, without
interest, and (ii) 0.9355 ADSs representing 18.71 shares of the Company (each ADS representing 20 new common shares, par value of NT$10 each, to be issued by the Company) in exchange for each of ChipMOS Bermudas common share held (the US$3.71
in cash and together with the ADSs, the Merger Consideration). The Merger was completed and effective on October 31, 2016. The Company issued 512,405,340 common shares represented by the ADSs and the ADSs were listed on the NASDAQ
on November 1, 2016.



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The following chart illustrates our corporate structure and our equity interest in each of our
principal subsidiaries as of the date of this Annual Report on Form 20-F.



LOGO



Note:

|(1) | Under IFRS 10 Consolidated Financial Statements, we are required to consolidate the financial results of any subsidiaries in which we hold a controlling interest or voting interest in excess of 50% or we
have the power to direct or cause the direction of the management and policies, notwithstanding the lack of majority ownership. In 2014, we consolidated the financial results of ChipMOS USA Inc., or ChipMOS USA, and ChipMOS BVI. We also consolidated
ThaiLin before it was merged into the Company on June 17, 2015, and ChipMOS Shanghai, ChipMOS BVIs previously wholly-owned subsidiary prior to ChipMOS BVIs sale of its 54.98% equity interests in ChipMOS Shanghai on March 24,
2017.
|--- | ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------

Agreements with Tsinghua Unigroup Ltd.

On December 11, 2015, the board of the Company authorized and the Company signed the Tsinghua Share Subscription Agreement, which is
included as Exhibit 4.3, to sell the Companys 299,252,000 shares to Tsinghua Unigroup through a private placement at a price of NT$40.0 per common share of the Company representing an aggregate purchase price of approximately
NT$12.0 billion.

On December 11, 2015, the Company and Tsinghua Unigroup also executed the Strategic Alliance Agreement, which
is included as Exhibit 4.4, designed to strengthen the long-term cooperation relationship between the two companies. Under the terms of the Strategic Alliance Agreement, Tsinghua Unigroup would assist the Company in expanding and strengthening the
relationship between the Company and companies relating to the assembly and test services of LCD drivers and wafer bumping services in the PRC, and would introduce other potential suppliers, customers and business partners in the PRC to the Company.

On February 25, 2016, the Company and Tsinghua Unigroup executed the Subscriber Joinder Agreement, which is included as Exhibit 4.6,
under which Tsinghua Unigroup assigned its obligations and liabilities under the Tsinghua Share Subscription Agreement to Tibet MaoYeChaungXin INVESTMENT CO., LIMITED (Tibet MaoYe), which is a subsidiary controlled by Tsinghua Unigroup.
From the execution of the Subscriber Joinder Agreement, Tibet MaoYe became the Subscriber defined in the Tsinghua Share Subscription Agreement and assumed all the rights, benefits, liabilities and obligations incurred from the Tsinghua
Share Subscription Agreement. On the same date, the Company and Tibet MaoYe executed the Tibet MaoYe Share Subscription Agreement (included as Exhibit 4.7), the substantive content of which is consistent with the Tsinghua Share Subscription
Agreement.

On November 30, 2016, the Company and Tsinghua Unigroup mutually agreed to terminate the Tsinghua Share Subscription
Agreement and to form a joint-venture. Under the joint-venture, the Equity Interest Transfer Agreements among ChipMOS BVI, a wholly-owned subsidiary of the Company, and some strategic investors which including Unigroup Guowei, a subsidiary of
Tsinghua Unigroup, were executed. Pursuant to the Equity Interest Transfer Agreements, ChipMOS BVI will sell 54.98% equity interests of its wholly-owned subsidiary, ChipMOS Shanghai, to the strategic investors, and Unigroup Guowei will hold 48%
equity interests of ChipMOS Shanghai, and the other strategic investors, including a limited partnership owned by ChipMOS Shanghais employees, will own approximately 6.98% equity interest of ChipMOS Shanghai. The transaction was completed on
March 24, 2017. ChipMOS Shanghai is no longer the subsidiary of the Company following the completion of equity interests transfer. Also pursuant to the agreement, ChipMOS BVI and the strategic investors agreed to further invest RMB
1,074 million into ChipMOS Shanghai. The further investment is expected to occur in two tranches, one by the end of the first half of 2017 and one depending on the CapEx plan of ChipMOS Shanghai, which is directly aligned with the
operations strategic growth plan.



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##### Table of Contents

Our Principal Consolidated Subsidiaries

Below is a description of our principal consolidated subsidiaries:

ChipMOS TECHNOLOGIES (BVI) LTD., or formerly known as MODERN MIND TECHNOLOGY LIMITED and ChipMOS TECHNOLOGIES (Shanghai) LTD.
ChipMOS BVI was incorporated in the British Virgin Islands in January 2002. Before the transfer of 54.98% equity interests of ChipMOS Shanghai which was completed on March 24, 2017, ChipMOS BVI conducted its operations through ChipMOS Shanghai,
a wholly-owned subsidiary incorporated in Mainland China. See Our Structure and HistoryAgreements with Tsinghua Unigroup Ltd. for more details. ChipMOS Shanghai is engaged in wafer testing and semiconductor assembly and test.
ChipMOS Bermuda acquired a 100% equity interest in ChipMOS BVI on December 12, 2002, and then transferred it to Jesper Limited (Jesper) on December 31, 2002. In 2003, ChipMOS Bermuda acquired from Jesper a convertible note in
the amount of US$37.5 million issued by ChipMOS BVI that may be converted into a controlling equity interest in ChipMOS BVI at a conversion rate of one ordinary share of ChipMOS BVI for every US$1.00 if the repayment is not made when due. In
2004, ChipMOS Bermuda restructured its control of ChipMOS Shanghai and its Mainland China operations. On July 29, 2004, ChipMOS Bermuda replaced the US$37.5 million convertible note previously issued by ChipMOS BVI in its entirety with a
US$62.8 million demand note issued by ChipMOS BVI, with the difference representing a US$25 million loan that ChipMOS Bermuda extended to ChipMOS BVI from the net proceeds of its July 2004 offering of common shares. In addition, ChipMOS
Bermuda extended a loan in the aggregate amount of US$50 million to ChipMOS BVI from the net proceeds of its November 2004 convertible debt offering in exchange for demand notes issued by ChipMOS BVI in the same aggregate amount (the MMT
Notes). The MMT Notes were convertible at any time into common shares representing, immediately after the conversion, almost 100% of the then outstanding common shares of ChipMOS BVI at a conversion rate of US$1.00 for each common share of
ChipMOS BVI. Payment under the MMT Notes were fully and unconditionally guaranteed by Jesper and secured by a pledge agreement in respect of the entire equity interest in ChipMOS BVI and ChipMOS Shanghai. ChipMOS Bermuda obtained from Jesper an
irrevocable option to acquire at any time the common shares of ChipMOS BVI then owned by Jesper. Under an assignment and assumption agreement signed on April 22, 2011 (the MMT Assignment Agreement), ChipMOS Bermuda agreed to sell
the MMT Notes to ThaiLin for a purchase price of approximately US$40 million subject to certain closing conditions. Post completion of MMT Assignment Agreement transaction, ThaiLin immediately converted the MMT Notes into common shares of
ChipMOS BVI and purchased all of the remaining common shares of ChipMOS BVI from Jesper, with ChipMOS BVI becoming a wholly-owned subsidiary of ThaiLin. The MMT Assignment Agreement was completed on October 3, 2011. In November 2015, ChipMOS
BVIs shareholder approved the change of name to ChipMOS TECHNOLOGIES (BVI) LTD. and was completed on November 18, 2015.

On
November 30, 2016, ChipMOS BVI entered into the Equity Interest Transfer Agreements with Unigroup Guowei and other strategic investors. Under the agreements, ChipMOS BVI will sell 54.98% of the equity interests of ChipMOS Shanghai, to the
strategic investors. Following the transaction which was completed on March 24, 2017, Unigroup Guowei holds 48% equity interests of ChipMOS Shanghai, the other strategic investors, including a limited partnership owned by ChipMOS
Shanghais employees, own approximately 6.98% equity interest of ChipMOS Shanghai, and ChipMOS BVI holds 45.02% equity interests of ChipMOS Shanghai. ChipMOS Shanghai is no longer the subsidiary of the Company. ChipMOS BVI and the strategic
investors agreed to further invest RMB 1,074 million into ChipMOS Shanghai. The further investment is expected to occur in two tranches, one by the end of the first half of 2017 and one depending on the CapEx plan of ChipMOS Shanghai, which is
directly aligned with the operations strategic growth plan.

ThaiLin Semiconductor Corp. ThaiLin was incorporated in
Taiwan in May 1996, and was listed on the Taipei Exchange in Taiwan. It is engaged in the provision of semiconductor testing services. The Company acquired a 41.8% interest in ThaiLin in December 2002. Under applicable accounting principles, ThaiLin
was consolidated into our consolidated financial statements in 2003 because the Company was deemed to exert significant control over ThaiLin through common directors and management. ThaiLin was merged with and into the Company on June 17, 2015.



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Industry Background

We provide a broad range of back-end assembly and test services. Test services include engineering
test, wafer probing and final test of memory and logic/mixed-signal semiconductors. We also offer a broad selection of leadframe- and organic substrate-based package assembly services for memory and logic/mixed-signal semiconductors. Our advanced
leadframe-based packages include thin small outline packages, or TSOPs, and our advanced organic substrate-based packages include fine-pitch ball grid array packages (fine-pitch BGA). In addition, we provide gold bumping, assembly and
test services for LCD and other flat-panel display driver semiconductors by employing TCP, COF and COG technologies.

Semiconductors
tested and assembled by us are used in personal computers, graphics applications such as game consoles communications equipment mobile products such as cellular handsets, tablets, consumer electronic products and display applications such as
flat-panel displays. In 2016, 25.0% of our revenue was derived from testing services for memory and logic/mixed-signal semiconductors, 31.9% from assembly services for memory and logic/mixed-signal semiconductors, 26.8% from LCD and other flat-panel
display driver semiconductor assembly and test services and 16.3% from bumping services for semiconductors, respectively.

Semiconductor Industry Trends

Growth in the semiconductor industry is largely driven by end-user demand for consumer electronics,
communications equipment and computers, for which semiconductors are critical components. The worldwide semiconductor industry has experienced peaks and troughs over the last decade, with a severe downturn at the end of 2000 that was followed by a
modest recovery in late 2002. Beginning in the fourth quarter of 2008, the semiconductor industry commenced another downturn that increased in unprecedented severity into the first quarter of 2009. The overall semiconductor industry commenced to
recover from the downturn in the second quarter of 2009 and is in a steady growth mode.

Selected Key Semiconductor Markets

While a recovery trend in end-user demand for new and improved electronic products and applications
continues, various sectors of the semiconductor industry are in turn expected to benefit from a resumption in growth. These sectors include the memory semiconductor market for industrial, mobile and automotive applications, and the LCD and other
flat-panel display driver semiconductor market.

Memory Semiconductor Market

The potential for memory market growth is linked to anticipated memory content increases in consumer electronics, industrial, and PC
applications (after such time as a recovery occurs in end-user demand for these) due to increasing operating system requirements, increasing use of graphics in gaming and other applications, continued growth
of broadband content and a transition to 64-bit PC architecture. The memory market is dominated by two segments-DRAM and flash memory. Potential growth in the DRAM market is expected to be driven by continued
growth in both the commodity and niche DRAM market, as well as growth opportunities in mobile DRAM as memory requirements significantly increase for mobile applications. Flash memory market potential growth is expected to be driven by increasing
memory requirements for cellular handsets, digital cameras, digital audio/video, server and other mobile applications.

LCD and Other
Flat-Panel Display Driver Semiconductor Market

Flat-panel displays are used in applications such as PC monitors, notebook computers,
tables, television sets, cellular handsets and digital cameras. The end-user demand for LCD and other flat-panel display driver semiconductors experienced a downturn in 2007 and 2008. The LCD driver market
started to recover in the second quarter of 2009. During second half of 2015, we are experiencing inventory corrections of certain market segments. Driven by demand from mobile dervices, high resolution (4K/UHD) TVs, and OLED implementation, market
growth continues.

Logic/Mixed-Signal Semiconductor Market

The communications market is one of the main drivers of potential growth in the semiconductor industry. Logic/mixed-signal semiconductors,
which are chips with analog functionality covering more than half of the chip area, are largely used in the communications market. The increasing use of digital technology in communications equipment requires chips with both digital and analog
functionality for applications such as modems, network routers, switches, cable set-top boxes and cellular handsets. As the size and cost of cellular handsets and other communications-related devices have
decreased, components have increased in complexity. Logic/mixed-signal semiconductors, such as LCD, power devices, fingerprint sensors and MEMS products, controllers and DVD controllers, are also used in consumer electronic products.



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Overview of the Semiconductor Manufacturing Process

The manufacturing of semiconductors is a complex process that requires increasingly sophisticated engineering and manufacturing expertise. The
manufacturing process may be broadly divided into the following stages:



LOGO



|                  |  |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                               
|----------------- |  | ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
|Process           |  | Description                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                   
|Circuit Design    |  | The design of a semiconductor is developed by laying out circuit patterns and interconnections.                                                                                                                                                                                                                                                                                                                                                                                                                                               
|                  | 
|Wafer Fabrication |  | Wafer fabrication begins with the generation of a photomask, a photographic negative onto which a circuit design pattern is etched or transferred by an electron beam or laser beam writer. Each completed wafer contains many
fabricated chips, each known as a die.                                                                                                                                                                                                                                                                         
|                  | 
|Wafer Probe       |  | Each individual die is then electrically tested, or probed, for defects. Dies that fail this test are discarded, or, in some cases, salvaged using laser repair.                                                                                                                                                                                                                                                                                                                                                                              
|                  | 
|Assembly          |  | The assembly of semiconductors serves to protect the die, facilitates its integration into electronic systems and enables the dissipation of heat. The process begins with the dicing of the wafers into chips. Each die is affixed
to a leadframe-based or organic substrate-based substrate. Then, electrical connections are formed, in many cases by connecting the terminals on the die to the inner leads of the package using fine metal wires. Finally, each chip is encapsulated for
protection, usually in a molded epoxy enclosure.
|                  | 
|Final Test        |  | Assembled semiconductors are tested to ensure that the device meets performance specifications. Testing takes place on specialized equipment using software customized for each application. For memory semiconductors, this process
also includes burn-in testing to screen out defective devices by applying very high temperatures and voltages onto the memory device.                                                                                                                                                                  

Outsourcing Trends in Semiconductor Manufacturing

Historically, integrated device manufacturers (IDMs), designed, manufactured, tested and assembled semiconductors primarily at
their own facilities. In recent years, there has been a trend in the industry to outsource various segments of stages in the manufacturing process to reduce the high fixed costs resulting from the increasingly complex manufacturing process.
Virtually every significant stage of the manufacturing process can be outsourced. The independent semiconductor manufacturing services market currently consists of wafer fabrication and probing services and semiconductor assembly and test services.
Most of the worlds major IDMs now use some independent semiconductor manufacturing services to maintain a strategic mix of internal and external manufacturing capacity. Many of these IDMs are continuously significantly reducing their
investments in new semiconductor assembly and test facilities.



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The availability of technologically advanced independent semiconductor manufacturing services has
also enabled the growth of fabless semiconductor companies that focus exclusively on semiconductor design and marketing and outsource their fabrication, assembly and test requirements to independent companies.

We believe the outsourcing of semiconductor manufacturing services, and in particular of assembly and test services, will increase for many
reasons, including the following:

Significant Capital Expenditure Requirements. Driven by increasingly sophisticated technological
requirements, wafer fabrication, assembly and test processes have become highly complex, requiring substantial investment in specialized equipment and facilities and sophisticated engineering and manufacturing expertise. In addition, product life
cycles have been shortened magnifying the need to continuously upgrade or replace manufacturing, assembly and test equipment to accommodate new products. As a result, new investments in in-house fabrication,
assembly and test facilities are becoming less desirable for IDMs because of the high investment costs, as well as difficulties in achieving sufficient economies of scale and utilization rates to be competitive with the independent service
providers. On the contrary, independent foundry, assembly and test companies are able to realize the benefits of specialization and achieve economies of scale by providing services to a large customer base across a wide range of products. This
enables them to reduce costs and shorten production cycles through high capacity utilization and process expertise.

Increasing Focus
on Core Competencies. As the costs of semiconductor manufacturing facilities increase, semiconductor companies are expected to further outsource their wafer fabrication, assembly and test requirements to focus their resources on core
competencies, such as semiconductor design and marketing.

Time-to-Market Pressure. Increasingly short product
life cycles have amplified time-to-market pressure for semiconductor companies, leading them to rely increasingly on independent companies as a key source for effective
wafer fabrication, assembly and test services.

Semiconductor Assembly and Test Services Industry

Growth in the semiconductor assembly and test services industry is driven by increased outsourcing of the various stages of the semiconductor
manufacturing process by IDMs and fabless semiconductor companies.

The Semiconductor Industry and Conditions of Outsourcing in Taiwan
and Mainland China

Taiwan is one of the worlds leading locations for outsourced semiconductor manufacturing. The semiconductor
industry supply chain in Taiwan has developed such that the various stages of the semiconductor manufacturing process have been disaggregated, thus allowing for specialization. The disaggregation of the semiconductor manufacturing process in Taiwan
permits these semiconductor manufacturing service providers to focus on particular parts of the production process, develop economies of scale, maintain higher capacity utilization rates and remain flexible in responding to customer needs by
lowering time-to-market pressure faced by semiconductor companies. There are several leading service providers in Taiwan, each of which offers substantial capacity,
high-quality manufacturing, leading semiconductor wafer fabrication, test, assembly and process technologies, and a full range of services. These service providers have access to an educated labor pool and a large number of engineers suitable for
sophisticated manufacturing industries. As a result, many of the worlds leading semiconductor companies outsource some or all of their semiconductor manufacturing needs to Taiwans semiconductor manufacturing service providers and take
advantage of the close proximity among facilities in the supply chain. In addition, companies located in Taiwan are very active in the design and manufacture of electronic systems, which has created significant local demand for semiconductor
devices.

Recently, Mainland China has emerged as an attractive location for outsourced semiconductor manufacturing based on the fact.
Companies can take advantage of a well-educated yet low-cost labor force, cost savings due to tax benefits and a large domestic market. These factors have driven increased relocation of much of the electronics
industry manufacturing and supply chain to Mainland China. An increasing number of global electronic systems manufacturers and contract manufacturers are relocating or have relocated production facilities to Mainland China. We believe that these
electronic product manufacturers and contract manufacturers will source an increasing portion of their demand for semiconductors from semiconductor suppliers located in Mainland China in order to reduce production cycle times, decrease costs,
simplify supply chain logistics and meet local content requirements. In line with this trend, we have in recent years expanded our investment in Mainland China.



25



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Our Strategy

Our goal is to reinforce our position as a leading independent provider of semiconductor assembly and test services, concentrating principally
on memory, logic/mixed-signal and LCD and other flat-panel display driver semiconductors. The principal components of our business strategy are set forth below.

Focus on Providing Our Services to Potential Growth Segments of the Semiconductor Industry.

We intend to continue our focus on developing and providing advanced assembly and test services for potential growth segments of the
semiconductor industry, such as memory, logic/mixed-signal, MEMS, LCD and other flat-panel display driver semiconductors and bumping services. We believe that our investments in equipment and research and development in some of these areas allow us
to offer a service differentiated from that of our competition. In order to benefit from the expected resumption of growth in these segments, we intend to continue to invest in capacity to meet the assembly and test requirements of these key
semiconductor market segments.

Continue to Invest in the Research and Development of Advanced Assembly and Test Technologies.

Critical to our business growth is the continuation to expand our capabilities in testing and assembly to provide better service
to our customers. We typically focus on advanced technologies that consist of greater potentials to generate higher margins. For example, we conducted new product introductions and on an on-going basis
continue to expand our capabilities in fine-pitch wafer bumping, multi-chip package (MCP), flip chip package, and high speed assembly and test of fine-pitch COFs. We have also introduced low cost metal composite bump (MCB)
products based on our proprietary Cu plating technology to service flat-panel display market and expand offerings to other business regions. We continue to maintain close working relationships with local and overseas research institutions and
universities to keep abreast with leading edge technologies and broaden the scope of applications.

In 2017, we expect to focus our
research and development efforts in the following areas:



| |  |  | development of advanced assembly technologies in WLCSP, MEMS, finger print sensors, and flip chip products for memory devices and mixed signal products;
| | - |  | --------------------------------------------------------------------------------------------------------------------------------------------------------



| |  |  | expand fine-pitch Au and Cu bumping technology for 300mm wafers;
| | - |  | ----------------------------------------------------------------



| |  |  | expand fine-pitch test capabilities for advanced LCD drivers;
| | - |  | -------------------------------------------------------------



| |  |  | carry out in-process improvement to improve manufacturing yields and shorten turnaround time;
| | - |  | ---------------------------------------------------------------------------------------------



| |  |  | develop new software conversion programs to increase the capabilities of our testers; and
| | - |  | -----------------------------------------------------------------------------------------



| |  |  | continue to focus on delivering environmentally friendly assembly services by eliminating lead and halogen elements from the materials.
| | - |  | ---------------------------------------------------------------------------------------------------------------------------------------

In 2016, we spent approximately 4.5% of our revenue on research and development. We will continue to invest our resources to recruit and
retain experienced research and development personnel. As of March 31, 2017, our research and development team comprised 598 persons.

Build on Our Strong Presence in Taiwan and Expand Our Operations Outside Taiwan.

We intend to build on our strong presence in key centers of semiconductor and electronics manufacturing to grow our business. Currently, most
of our operations are in Taiwan, one of the worlds leading locations for outsourced semiconductor manufacturing. This presence provides us with several advantages. Firstly, our proximity to other semiconductor companies is attractive to
customers who wish to outsource various stages of the semiconductor manufacturing process. Secondly, our proximity to many of our suppliers, customers and the end-users of our customers products enables
us to be involved in the early stages of the semiconductor design process, enhances our ability to quickly respond to our customers changing requirements and shortens our customers time-to-market. Thirdly, we have access to an educated labor pool and a large number of engineers who are able to work closely with our customers and other providers of semiconductor manufacturing services.

As with our operations in Taiwan, we intend to similarly benefit from our operations in Mainland China. We intend to invest in Mainland
China, increasing our assembly and test services for memory, LCD, MEMS and logic/mixed-signal semiconductors.



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Depending on customers demands, market conditions and other relevant considerations, we may
from time to time look into other opportunities to expand our operations outside of Taiwan.

Expand Our Offering of Vertically
Integrated Services.

We believe that one of our competitive strengths is our ability to provide vertically integrated services to
our customers. Vertically integrated services consist of the integrated testing, assembly and direct shipment of semiconductors to end-users designated by our customers. Providing vertically integrated
services enables us to shorten lead times for our customers. As time-to-market and cost increasingly become sources of competitive advantage for our customers, they increasingly value our ability to provide
them with comprehensive back-end services.

We are able to offer vertically integrated services
for a broad range of products, including memory, logic/mixed-signal and LCD and other flat-panel display driver semiconductors. These services offerings include complementary technologies, products and services as well as additional capacity. We
believe that these will continue to enhance our own development and expansion efforts into new and potential growth markets. We intend to establish new alliances with leading companies and, if suitable opportunities arise, engage in merger and
acquisition activities that will further expand the services we can provide.

Focus on Increasing Sales through Long-Term Agreements
with Key Customers as well as Business with Smaller Customers.

From time to time, we strategically agree to commit a portion of
our assembly and test capacity to certain of our customers. We intend to continue focus on increasing sales to key customers through long-term capacity agreements. The customers with which we currently have long-term agreements include a reputable
memory customer based in the US. See Customers below for a more detailed discussion of these long-term agreements.

Global market and economic conditions have been unprecedented and challenging with tight credit conditions and recession in most major
economies since 2008 continuing into 2011. Beginning in 2008, we also resumed our focus on our business with smaller customers or customers who do not place orders on a regular basis. We believe that the dual focused strategy will assist us to be
better prepared for the current economic volatility and ensure maximum utilization rate of our capacity and help us to develop closer relationships with all types of our customers.

Principal Products and Services

The following table presents, for the periods shown, revenue by service segment as a percentage of our revenue.



|                                                                                   |  |                         |       |      |  |  |       |  
|---------------------------------------------------------------------------------- |  | ----------------------- | ----- | ---- |  |  | ----- | -
|                                                                                   |  | Year ended December 31,
|                                                                                   |  | 2015                    |       | 2016
|Testing                                                                            |  |                         |       |      |  |  |       |  
|Memory testing revenue                                                             |  |                         | 20.1  | %    |  |  | 19.7  | %
|Logic/mixed-signal testing revenue                                                 |  |                         | 4.0   |      |  |  | 5.3   |  
|Total testing revenue                                                              |  |                         | 24.1  |      |  |  | 25.0  |  
|Assembly                                                                           |  |                         |       |      |  |  |       |  
|Memory assembly revenue                                                            |  |                         | 26.4  |      |  |  | 28.7  |  
|Logic/mixed-signal assembly revenue                                                |  |                         | 3.0   |      |  |  | 3.2   |  
|Total assembly revenue                                                             |  |                         | 29.4  |      |  |  | 31.9  |  
|LCD and other flat-panel display driver semiconductor testing and assembly revenue |  |                         | 28.6  |      |  |  | 26.8  |  
|Bumping                                                                            |  |                         | 17.9  |      |  |  | 16.3  |  
|                                                                                   |  |                         |       |      |  |  |       |  
|Total revenue                                                                      |  |                         | 100.0 | %    |  |  | 100.0 | %
|                                                                                   |  |                         |       |      |  |  |       |  



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Memory and Logic/Mixed-Signal Semiconductors

Testing

We provide
testing services for memory and logic/mixed-signal semiconductors:

Memory. We provide testing services for a variety of memory
semiconductors, such as SRAM, DRAM and Flash memory. To speed up the time-consuming process of memory product testing, we provide parallel test, which includes to complete wafer test in one touchdown (up to1,000 plus devices simultaneously). The
memory semiconductors we test are used primarily in desktop computers, laptop, tablet computers, handheld consumer electronic, devices and wireless communication devices.

Logic/Mixed-Signal. We conduct tests on a wide variety of logic/mixed-signal semiconductors, with lead counts ranging from the single
digits to over 1024 and data rate of up to 9GHz. The semiconductors we test include audio/video codec, networking/communications, MCU, LCD related, and MEMS used for home entertainment/media center, personal computer applications,
network/communication and mobile smart devices. We also test a variety of application specific integrated circuits (ASICs), for applications such as FHD/UHD LCD TV, Tablet PC, etc.

The following is a description of our pre-assembly testing services:

Engineering Testing. We provide engineering testing services, including software program development, electrical design validation,
reliability and failure analysis.



| |  |  | Software Program DevelopmentDesign and test engineers develop a customized software program and related hardware to test semiconductors on advanced test equipment. A customized software program is required to
test the conformity of each particular semiconductor to its particular function and specification.
| | - |  | -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------



| |  |  | Electrical Design Validation. A prototype of the designed semiconductor is submitted to electrical tests using advanced test equipment, customized software programs and related hardware. These tests assess
whether the test result of the prototype semiconductor complies with the designed requirements using a variety of different operating specifications, including functionality, frequency, voltage, current, timing and temperature range.
| | - |  | -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------



| |  |  | Reliability Analysis. Reliability analysis is designed to assess the long-term reliability of the semiconductor and its suitability of use for its intended applications. Reliability testing may include operating-life
evaluation, during which the semiconductor is subjected to high temperature and voltage tests.
| | - |  | -----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------



| |  |  | Failure Analysis.If the prototype semiconductor does not perform to specifications during either the electrical validation or reliability analysis process, failure analysis is performed to determine the reasons
for the failure. As part of this analysis, the prototype semiconductor may be subjected to a variety of tests, including electron beam probing and electrical testing.
| | - |  | -----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------

Wafer Probing. Wafer probing is the process stage immediately before the assembly of semiconductors and involves visual inspection and
the electrical testing of the processed wafer to ensure that it meets our customers specifications. Wafer probing employs sophisticated design and manufacturing technologies to connect the terminals of each chip for testing. Defective chips
are marked on the surface or memorized in an electronic file, known as a mapping file, to facilitate subsequent process.

Laser
Repairing. This is a unique process in testing operation for special SOC memory products. In laser repairing, specific poly or metal fuses are blown after wafer probing to enable a spare row or column of a memory unit in SOC to replace a
defective memory cell.

After assembly, we perform the following testing services:

Burn-In Testing. This process screens out unreliable products using high temperature, high
voltage and prolonged stresses environment to ensure that finished products will survive a long period of end-user service. This process is used only for memory products. This process needs customized Burn-In board.

Top Marking . By using either a laser marker or an ink marker, we mark products
without heat slug according to our customers specification, including the logo, part number, date code and lot number.

Final
Testing. Assembled semiconductors are tested to ensure that the devices meet performance specifications. Tests are conducted using specialized equipment with software customized for each application in different temperature conditions ranging
from 25 degrees Celsius to 125 degrees Celsius.



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##### Table of Contents

Final Inspection and Packing. Final inspection involves visual or auto-inspection of the
devices to check any bent leads, ball damage, inaccurate markings or other package defects. Packing involves dry packing, package-in-tray,
package-in-tube and tape and reel. According to package level, Dry packing involves heating semiconductors in a tray at 125 to 150 degrees Celsius for about eight to twelve hours to remove the moisture before
the semiconductors are vacuum-sealed in an aluminum bag. Package-in-tube involves packing the semiconductors in anti-static tubes for shipment. Tape and reel pack involves transferring semiconductors from a
tray or tube onto an anti-static embossed tape and rolling the tape onto a reel for shipment to customers.

Assembly

Our assembly services generally involve the following steps:



|                      |  |                                                                                                                                                                                       
|--------------------- |  | --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
|Wafer Lapping         |  | The wafers are ground to their required thickness.                                                                                                                                    
|                      | 
|Die Saw               |  | Wafers are cut into individual dies, or chips, in preparation for the die-attach process.                                                                                             
|                      | 
|Die Attach            |  | Each individual die is attached to the leadframe or organic substrate.                                                                                                                
|                      | 
|Wire Bonding          |  | Using gold or silver wires, to connect the I/O pads on the die to the inner lead of leadframe or substrate.                                                                           
|                      | 
|Flip Chip Bonding     |  | Using solder bumps or Cu pillar bumps on die, to connect the leadframe or substrate pad via soldering reflow.                                                                         
|                      | 
|Molding               |  | The die and wires are encapsulated to provide physical support and protection.                                                                                                        
|                      | 
|Marking               |  | Each individual package is marked to provide product identification.                                                                                                                  
|                      | 
|Dejunking andTrimming |  | Mold flash is removed from between the lead shoulders through dejunking, and the dambar is cut during the trimming process.                                                           
|                      | 
|Electrical Plating    |  | A solderable coating is added to the package leads to prevent oxidization and to keep solder wettability of the package leads.                                                        
|                      | 
|Ball Mount and Reflow |  | Each electrode pad of the substrate is first printed with flux, after which solder balls are mounted, heated and attached to the electrode pad of the substrate through a reflow oven.
|                      | 
|Forming/Singulation   |  | Forming involves the proper configuration of the device packages leads, and singulation separates the packages from each other.                                                       

We offer a broad range of package formats designed to provide our customers with a broad array of assembly
services. The assembly services we offer customers are leadframe-based packages, which include thin small outline packages, and organic substrate-based packages, including fine-pitch BGA.

The differentiating characteristics of these packages include:



| |  |  | the size of the package;
| | - |  | ------------------------



| |  |  | the number of electrical connections which the package can support;
| | - |  | -------------------------------------------------------------------



| |  |  | the electrical performance and requirements of the package; and
| | - |  | ---------------------------------------------------------------



| |  |  | the heat dissipation requirements of the package.
| | - |  | -------------------------------------------------

As new applications for semiconductor
devices require smaller components, the size of packages has also decreased. In leading-edge packages, the size of the package is reduced to just slightly larger than the size of the individual chip itself in a process known as chip scale packaging.



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As semiconductor devices increase in complexity, the number of electrical connections required
also increases. Leadframe-based products have electrical connections from the semiconductor device to the electronic product through leads on the perimeter of the package. Organic substrate-based products have solder balls on the bottom of the
package, which create the electrical connections with the product and can support large numbers of electrical connections.

Leadframe-Based Packages. These are generally considered the most widely used package category. Each package consists of a
semiconductor chip encapsulated in a plastic molding compound with metal leads on the perimeter. This design has evolved from a design plugging the leads into holes on the circuit board to a design soldering the leads to the surface of the circuit
board.

The following diagram presents the basic components of a standard leadframe-based package for memory semiconductors:



LOGO

To address the market for miniaturization of portable electronic products, we are currently developing and
will continue to develop increasingly smaller versions of leadframe-based packages to keep pace with continually shrinking semiconductor device sizes. Our advanced leadframe-based packages generally are thinner and smaller, have more leads and have
advanced thermal and electrical characteristics when compared to traditional packages. As a result of our continual product development, we offer leadframe-based packages with a wide range of lead counts and sizes to satisfy our customers
requirements.



30



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##### Table of Contents

The following table presents our principal leadframe-based packages, including the number of
leads in each package, commonly known as lead-count, a description of each package and the end-user applications of each package.



|                                                 |  |            |  |                                                                                                                                                                                                                      |  |                                                                                                                                    
|------------------------------------------------ |  | ---------- |  | -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |  | -----------------------------------------------------------------------------------------------------------------------------------
|Package                                          |  | Lead-count |  | Description                                                                                                                                                                                                          |  | End-User
Applications                                                                                                              
|Plastic Leaded Chip Carrier (PLCC)               |  | 32-44      |  | Package with leads on four sides used in
consumer electronics products in which the size of the package is not vital                                                                                                 |  | Copiers, printers, scanners, personal computers, electronic games, monitors                                                        
|                                                 |  |            | 
|Plastic Dual-in-line Package (PDIP)              |  | 16-56      |  | Package with insertion leads on longer sides used in consumer electronics products                                                                                                                                   |  | Electronic games, monitors, copiers, printers, audio and video products, personal computers                                        
|                                                 |  |            | 
|Thin Small Outline Package I (TSOP I)            |  | 28-56      |  | Designed for high volume production of low
lead-count memory devices, including flash memory, SRAM and MROM                                                                                                          |  | Notebook computers, personal computers, still and video cameras and standard connections for peripherals for computers             
|                                                 |  |            | 
|Thin Small Outline Package II (TSOP II)          |  | 24-86      |  | Designed for memory devices, including flash memory, SRAM, SDRAM and DDR DRAM                                                                                                                                        |  | Disk drives, recordable optical disk drives, audio and video products, consumer electronics, communication products                
|                                                 |  |            | 
|Quad Flat Package (QFP)                          |  | 44-208     |  | Flat structure with 4-sided peripheral leads designed for SRAM, graphic processors, personal computer chipsets and mixed-signal devices                                                                              |  | Wireless communication products, notebook computers, personal computers, consumer electronics                                      
|                                                 |  |            | 
|Quad Flat No Lead (QFN)                          |  | 8-132      |  | Thermal enhanced quad flat no lead package providing small footprint (chip scale), light weight with good thermal and electrical performance                                                                         |  | Wireless communication products, notebook computers, PDAs, consumer electronics                                                    
|                                                 |  |            | 
|Low-Profile Quad Flat Package (LQFP)             |  | 48-128     |  | Low-profile and light weight package designed for ASICs, digital signal processors, microprocessors/controllers, graphics processors, gate arrays, SSRAM, SDRAM, personal computer chipsets and
mixed-signal devices |  | Wireless communication products, notebook computers, digital cameras, cordless/radio frequency devices                             
|                                                 |  |            | 
|Thin Quad Flat Package (TQFP)                    |  | 44-128     |  | Designed for lightweight portable electronics requiring broad performance characteristics and mixed-signal devices                                                                                                   |  | Notebook computers, personal computers, disk drives, office equipment, audio and video products and wireless communication products
|                                                 |  |            | 
|Small Outline Package (SOP)                      |  | 8          |  | Designed for low lead-count memory and logic semiconductors, including SRAM and micro-controller units                                                                                                               |  | Personal computers, consumer electronics, audio and video products, communication products                                         
|                                                 |  |            | 
|Multi-Chip Package (TSOP with organic substrate) |  | 24-86      |  | Our patented design for memory devices, including SRAM, DRAM and SDRAM                                                                                                                                               |  | Notebook computers, personal computers, disk drives, audio and video products, consumer products, communication products           

Organic Substrate-based Packages. As the number of leads surrounding a traditional leadframe-based
package increases, the leads must be placed closer together to reduce the size of the package. The close proximity of one lead to another can create electrical shorting problems and requires the development of increasingly sophisticated and
expensive techniques to accommodate the high number of leads on the circuit boards.



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The BGA format solves this problem by effectively creating external terminals on the bottom of
the package in the form of small bumps or balls. These balls are evenly distributed across the entire bottom surface of the package, allowing greater pitch between the individual terminals. The ball grid array configuration enables high-pin count devices to be manufactured less expensively with less delicate handling at installation.

Our organic substrate-based packages employ a fine-pitch BGA design, which uses a plastic or tape laminate rather than a leadframe and places
the electrical connections, or leads, on the bottom of the package rather than around the perimeter. The fine-pitch BGA format was developed to address the need for the smaller footprints required by advanced memory devices. Benefits of ball grid
array assembly over leadframe-based assembly include:



| |  |  | smaller size;
| | - |  | -------------



| |  |  | smaller footprint on a printed circuit board;
| | - |  | ---------------------------------------------



| |  |  | better electrical signal integrity; and
| | - |  | ---------------------------------------



| |  |  | easier attachment to a printed circuit board.
| | - |  | ---------------------------------------------

The following diagram presents the basic
component parts of a fine-pitch BGA package:



LOGO



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##### Table of Contents

The following table presents the ball-count, description and
end-user applications of organic substrate-based packages we currently assemble:



|                                                    |  |             |  |                                                                                                                                                                                             |  |                                                                                                                                                                           
|--------------------------------------------------- |  | ----------- |  | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |  | --------------------------------------------------------------------------------------------------------------------------------------------------------------------------
|Package                                             |  | Connections |  | Description                                                                                                                                                                                 |  | End-User
Applications                                                                                                                                                     
|Mini BGA                                            |  | 24-400      |  | Low-cost and space-saving assembly designed for low input/output count, suitable for semiconductors that require a smaller package size than standard BGA                                   |  | Memory, analog, flash memory, ASICs, radio frequency devices, personal digital assistants, cellular handsets, communication products, notebook computers, wireless systems
|                                                    |  |             | 
|Fine-Pitch BGA                                      |  | 54-126      |  | Our patented design for DRAM products that require high performance and chip scale package (CSP)                                                                                            |  | Notebook computers, cellular handsets, global positioning systems, personal digital assistants, wireless systems                                                          
|                                                    |  |             | 
|Very Thin Fine-Pitch BGA                            |  | 48-176      |  | Similar structure of Mini BGA package with thinner and finer ball pitch that is designed for use in a wide variety of applications requiring small size, high reliability and low unit cost |  | Handheld devices, notebook computers, disk drives, wireless and mobile communication products                                                                             
|                                                    |  |             | 
|Land Grid Array (LGA)                               |  | 10-52       |  | Thinner and lighter assembly designed essential to standard BGA without solder balls, suitable for applications that require high electrical performance                                    |  | Disk drives, memory controllers, wireless, mobile communication products                                                                                                  
|                                                    |  |             | 
|Multi-Chip BGA                                      |  | 48-137      |  | Designed for assembly of two or more memory chips (to increase memory density) or combinations of memory and logic chips in one BGA package                                                 |  | Notebook computers, digital cameras, personal digital assistants, global positioning systems, sub-notebooks, board processors, wireless systems                           
|                                                    |  |             | 
|Stacked-Chip BGA                                    |  | 24-162      |  | Designed for assembly of two or more memory chips or logic and memory chips in one CSP, reducing the space required for memory chips                                                        |  | Cellular handsets, digital cameras, personal digital assistants, wireless systems, notebook computers, global positioning systems                                         
|                                                    |  |             | 
|Flip Chip Chip-scale Package (FCCSP)                |  | 16-1500+    |  | Better IC protection and solder joint reliability compared to direct chip attach (DCA) and chip on board (COB)                                                                              |  | Memory, logic, microprocessor, application processor (AP), baseband (BB), solid state device, radio frequency (RF)                                                        
|                                                    |  |             | 
|Chip on Wafer (CoW)                                 |  | 5-30        |  | Integrated two different functional chips to a closer form into a compact package. Low-cost solution compared to through- silicon via (TSV)                                                 |  | Integrated MEMS                                                                                                                                                           
|                                                    |  |             | 
|Land Grid Array (LGA) for FPS (finger Print Sensor) |  | 20-52       |  | Very thin clearance (50um) between chip & compound hard color coating with scratch resistance for protection and appearance matching of mobile devices                                      |  | Security protection for mobile devices, home, notebook computershares, etc.                                                                                               



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Wafer Level CSP



LOGO

Wafer-level CSP (WL CSP) is the technology of packaging an integrated circuit at wafer level. WL CSP is
essentially a true chip scale package (CSP) technology, since the resulting package is practically of the same size as the die. WL CSP has the ability to enable true integration of wafer fab, packaging, test, and
burn-in at wafer level in order to streamline the manufacturing process undergone by a device start from silicon wafer to customer shipment.

Most other kinds of packaging does wafer dicing first, and then puts the individual die in a plastic package and attaches the solder bumps. WL
CSP involves the RDL, wafer solder bumping, while still in the wafer, and then wafer dicing. Benefits of WL CSP compare to general CSP package assembly include:



| |  |  | ultimate smaller package size;
| | - |  | ------------------------------



| |  |  | smaller footprint on a printed circuit board;
| | - |  | ---------------------------------------------



| |  |  | very short circuit connection; and
| | - |  | ----------------------------------



| |  |  | cost effective packaging solution for small ICs.
| | - |  | ------------------------------------------------



|        |  |             |  |                                                                                                                                |  |                                                                                                
|------- |  | ----------- |  | ------------------------------------------------------------------------------------------------------------------------------ |  | -----------------------------------------------------------------------------------------------
|Package |  | Connections |  | Description                                                                                                                    |  | End-User Applications                                                                          
|WL CSP  |  | 4-64        |  | Very small package size (identical to die size), suitable for the low pin count and require the small package size application |  | Memory, ASICs, MEMS devices, controllers, for mobile phone, tablet, ultra book computer product



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FC CSP



LOGO

Flip-chip chip scale package (FC CSP) construction utilizes the flip chip bumping (with solder bump or Cu
pillar bump) interconnection technology to replace the standard wirebond interconnect. It allows for a smaller form factor due to wire loop reduction and area array bumping. FC CSP includes the substrate or leadframe type solution making an
attractive option for advanced CSP application when electrical performance is a critical factor.



| |  |  | Excellent electrical performance, very low interconnect parasitics and inductance compare to wirebond type.
| | - |  | -----------------------------------------------------------------------------------------------------------



| |  |  | High electrical current endurance (Cu pillar bump), ideal for high power solution.
| | - |  | ----------------------------------------------------------------------------------



| |  |  | Smaller package form factor by reducing the wire loop height and wire span compared to conventional wirebond package.
| | - |  | ---------------------------------------------------------------------------------------------------------------------



|        |  |             |  |                                                      |  |                                                                        
|------- |  | ----------- |  | ---------------------------------------------------- |  | -----------------------------------------------------------------------
|Package |  | Connections |  | Description                                          |  | End-User
Applications                                                  
|FC CSP  |  | 8-1120      |  | Superior electrical performance, smaller form factor |  | Power device, RF, Logic/Analog device, wireless or portable application

LCD and Other Flat-Panel Display Driver Semiconductors and Gold Bumping

We also offer assembly and test services for LCD and other flat-panel display driver semiconductors. We employ TCP, COF and COG technologies
for testing and assembling LCD and other flat-panel display driver semiconductors. In addition, we offer gold bumping services to our customers.



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##### Table of Contents

Tape Carrier Package (TCP) Technology

TCPs offer a high number of inputs and outputs, a thin package profile and a smaller footprint on the circuit board, without compromising
performance. Key package features include surface mount technology design, fine-pitch tape format and slide carrier handling. Because of their flexibility and high number of inputs and outputs, TCPs are primarily employed either for STN-LCD or TFT-LCD driver semiconductors.

Testing of
TCPs. We conduct full function testing of LCD and other flat-panel display driver semiconductors with a specially designed probe handler to ensure reliable contact to the test pads on the TCP tape. We can test
STN-LCD or TFT-LCD driver semiconductors with frequencies of up to 750 MHz and at voltages up to 40V. The test is performed in a temperature-controlled environment with
the device in tape form. The assembled and tested LCD and other flat-panel display driver semiconductors in tape form are packed between spacer tapes together with a desiccant in an aluminum bag to avoid contact during shipment.

Assembly of TCPs. TCPs use a tape-automated bonding process to connect die and tape. The printed circuit tape is shipped with a reel.
The reel is then placed onto an inner lead bonder, where the LCD or other flat-panel display driver semiconductor is configured onto the printed circuit tape. The resulting TCP component consists of the device interconnected to a three-layer tape,
which includes a polyimide carrier film, an epoxy-based adhesive layer and a metal layer. The tape metallization area of the interconnections is tin plated over a metal layer. The silicon chip and inner lead area is encapsulated with a high
temperature thermosetting polymer after inner lead bonding. The back face of the chip is left un-sealed for thermal connection to the printed circuit board.

For the limitation of inner lead pitch (>41um) with this kind of package, the volume of TCP nowadays has been trending down to ~1% of total
demand.

The following diagram presents the basic components of a TCP:



LOGO

Chip-on-Film (COF) Technology

In 2001, we commenced assembly and test services using COF technology. We have developed this proprietary technology from our
existing TCP technology, and it has been widely accepted by our customers. The primary use of the COF module is to replace TCP in certain applications.

COF technology provides several additional advantages. For example, COF is able to meet the size, weight and higher resolution requirements in
electronic products, such as flat-panel displays. This is because of its structural design, including an adhesive-free two-layer tape that is highly flexible, bending strength and its capacity to receive finer
patterning pitch.

COF package has been using for large-size and high-resolution panel display,
especially on TV set. In recent years, there has been an observable trend with which the average inner lead pitch of COF package went down to 23um with about 50% of market share. High thermal dissipation packaging technology is also available for
mass production. 18um inner lead pitch of 1-metal layer and 20um inner lead pitch 2-metal layer COF package has been released to mass production for the coming market
trend of narrow frame smartphone requirement. And we can test TFT-LCD driver semiconductors with frequencies of up to 2.5 Gbps to fulfill high speed data rate requirement of semiconductor.



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##### Table of Contents

The following diagram presents the basic components of a COF:



LOGO

The TCP and COF processes involve the following steps:



|                       |  |                                                                                                                                                                            
|---------------------- |  | ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------
|Chip Probing           |  | Screen out the defect chips which fail to meet the device spec.                                                                                                            
|                       | 
|Wafer Lapping          |  | Wafers are grounded to their required thickness.                                                                                                                           
|                       | 
|Die Saw                |  | Wafers are cut into individual dies, or chips, in preparation for inner lead bonding process
For low-K wafer, laser groove is necessary before mechanical dicing saw.      
|                       | 
|Inner Lead Bonding     |  | An inner lead bonder machine connects the chip to the printed circuit tape.                                                                                                
|                       | 
|Potting                |  | The package is dispensed a resin to protect the inner lead.                                                                                                                
|                       | 
|Potting Cure           |  | The potting cure process matures the resin used during the potting oven with high temperatures.                                                                            
|                       | 
|Marking                |  | A laser marker is used to provide product identification.                                                                                                                  
|                       | 
|Final Testing          |  | To verify device spec. within electrical testing after assembly process.                                                                                                   
|                       | 
|Inspection and Packing |  | Each individual die with tape is visually or auto inspected for defects. The dies are packed within a reel into an aluminum bag after completion of the inspection process.

Chip-on-Glass (COG)
Technology

COG technology is an electronic assembly technology that is used increasingly in assembling LCD and other flat-panel
display driver semiconductors for communications equipment. Compared to the traditional bonding process for TCP or COF, the new COG technology requires lower bonding temperature. In addition, the COG technology reduces assembly cost as it does not
use tapes for interconnection between the LCD panel and the printed circuit board. The major application of COG products is on TFT-LCD and AMOLED display of smart phone market, it integrates source, gate
driver of display driver IC and touch control IC (TDDI) or timing Controller IC into one chip, so the output channel is larger than TCP or COF products. For the market trend of thinner smartphone, 170um in IC thickness is released for mass
production and 150um IC thickness is in development.

The COG assembly technology involves the following steps:



|                        |  |                                                                                                                                                                            
|----------------------- |  | ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------
|Chip Probing            |  | To screen out the defect chips which fail to meet the device spec.                                                                                                         
|                        | 
|Wafer Lapping/ polish   |  | Wafers are ground or with polished to their required thickness.                                                                                                            
|                        | 
|Laser Marking           |  | A laser mark is applied on IC backside in wafer form to provide product traceability.                                                                                      
|                        | 
|Laser Grooving          |  | Application in wafer within Low-K material to reduce chipping of chips during dicing process.                                                                              
|                        | 
|Die Saw                 |  | Wafers are cut into individual dies, or chips, in preparation for the pick and place process.                                                                              
|                        | 
|Auto Optical Inspection |  | Process of wafer inspection is detecting defect to separate chips at pick and place station.                                                                               
|                        | 
|Pick and Place          |  | Each individual die is picked and placed into a chip tray.                                                                                                                 
|                        | 
|Inspection and Packing  |  | Each individual die in a tray is visually or auto-inspected for defects. The dies are packed within a tray into an aluminum bag after completion of the inspection process.



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##### Table of Contents

Bumping

We also offer bumping services to our customers.

Gold bumping technology, which can be used in TCP, COF and COG technologies, is a necessary interconnection technology for LCD and other
flat-panel display driver semiconductors. Most gold bumping services are performed on eight or twelve-inches wafers. Gold bumping technology provides the best solution for fine-pitch chips and is able to meet the highly efficient production
requirement for LCD and other flat-panel display driver semiconductors or other chips that require thin packaging profiles. In addition to the gold bumping, we also offer the WLCSP, Cu RDL and Cu pillar service which can be applied for FC CSP and/or
QFN package. The product scope includes but is not limited to flash, power devices and MEMS.

The gold bumping fabrication process uses
thin film metal deposition, photolithography and electrical plating technologies. A series of barrier and seed metal layers are deposited over the surface of the wafer. A layer of thick photoresist material is spin-coated over these barrier and seed
layers. A photomask is used to pattern the locations over each of the bond pads that will be bumped. UV exposure and developing processes open the photoresist material, which defines the bump shape. The gold bump is then electroplated over the pad
and the deposited barrier metal layers. Once the plating is complete, a series of etching steps are used to remove the photoresist material and the metal layers that are covering the rest of the wafer. The gold bump protects the underlying materials
from being etched. The gold bumped wafers will go through an annealing furnace to soften the gold bumps to fit the hardness requirement of TCP, COF and COG assembly processes.

Other Services

Drop
Shipment

We offer drop shipment of semiconductors directly to end-users designated by our
customers. We provide drop shipment services, including assembly in customer-approved and branded boxes, to a majority of our assembly and test customers. Since drop shipment eliminates the additional step of inspection by the customer prior to
shipment to end-users, quality of service is a key to successful drop shipment service. We believe that our ability to successfully execute our full range of services, including drop shipment services, is an
important factor in maintaining existing customers as well as attracting new customers.

Software Development, Conversion and
Optimization Program

We work closely with our customers to provide sophisticated software engineering services, including test
program development, conversion and optimization, and related hardware design. Generally, testing requires customized testing software and related hardware to be developed for each particular product. Software is often initially provided by the
customer and then converted by us at our facilities for use on one or more of our testing machines and contains varying functionality depending on the specified testing procedures. Once a conversion test program has been developed, we perform
correlation and trial tests on the semiconductors.

Customer feedback on the test results enables us to adjust the conversion test
programs prior to actual testing. We also typically assist our customers in collecting and analyzing the test results and recommends engineering solutions to improve their design and production process.

Customers

We believe that the
following factors have been, and will continue to be, important factors in attracting and retaining customers:



| |  |  | our advanced assembly and test technologies;
| | - |  | --------------------------------------------



| |  |  | our strong capabilities in testing and assembling LCD and other flat-panel display driver semiconductors;
| | - |  | ---------------------------------------------------------------------------------------------------------



| |  |  | our focus on high-density memory products and logic/mixed-signal communications products; and
| | - |  | ---------------------------------------------------------------------------------------------



| |  |  | our reputation for high quality and reliable customer-focused services.
| | - |  | -----------------------------------------------------------------------



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##### Table of Contents

The number of our customers as of March 31 of 2015, 2016 and 2017, respectively, was 81, 77
and 74. Our top 15 customers in terms of revenue in 2016 were (in alphabetical order):

Asahi Kasei Microdevices
Corporation

Elite Semiconductor Memory Technology Inc.

Etron Technology, Inc.

FocalTech Systems Co., Ltd.

Himax Technologies, Inc.

ILI TECHNOLOGY CORP.

Integrated Circuit Solution Inc.

Mstar Semiconductor, Inc.

Macronix International Co., Ltd.

Micron Technology, Inc.

Novatek Microelectronics Corp.

Raydium Semiconductor Corporation

Synaptics Display Devices GK

Winbond Electronics Corporation

Zentel Electronics Corp.

In 2015, our top three customers accounted for approximately 23%, 16% and 13% of our revenue, respectively. In 2016, our top three customers
accounted for approximately 18%, 17% and 14% of our revenue, respectively.

The majority of our customers purchase our services through
purchase orders and provide us three-month non-binding rolling forecasts on a monthly basis. The price for our services is typically agreed upon at the time when a purchase order is placed.

On April 22, 2010, the Company and Spansion LLC entered into a two-year wafer sort services
agreement, utilizing the V5400 test platform, making the Company as Spansions exclusive wafer sort subcontractor, except for any sort equipment operated by Spansion LLC or currently located at Spansion Japan Limited. The wafer sort services
agreement became effective upon the effective date of Spansions confirmed plan of reorganization. The U.S. Bankruptcy Court confirmed Spansions Second Amended Plan of Reorganization on April 16, 2010. The effective date of
Spansions plan of reorganization is May 10, 2010. The wafer sort services agreement became effective on May 10, 2010 and has since been renewed twice then expired in 2016.

Beginning in 2008, we also resumed a focus on our business with smaller customers and customers who do not place orders on a regular basis.

The following table sets forth, for the periods indicated, the percentage breakdown of our revenue, categorized by geographic region
based on the jurisdiction in which each customer is headquartered.



|              |  |                         |     |      |  |  |     |  
|------------- |  | ----------------------- | --- | ---- |  |  | --- | -
|              |  | Year ended December 31,
|              |  | 2015                    |     | 2016
|Taiwan        |  |                         | 72  | %    |  |  | 69  | %
|Singapore     |  |                         | 16  |      |  |  | 17  |  
|United States |  |                         | 2   |      |  |  | 1   |  
|Japan         |  |                         | 5   |      |  |  | 10  |  
|Korea         |  |                         | 3   |      |  |  | 1   |  
|Others        |  |                         | 2   |      |  |  | 2   |  
|              |  |                         |     |      |  |  |     |  
|Total         |  |                         | 100 | %    |  |  | 100 | %
|              |  |                         |     |      |  |  |     |  



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##### Table of Contents

Qualification and Correlation by Customers

Our customers generally require that our facilities undergo a stringent qualification process during which the customer evaluates
our operations, production processes and product reliability, including engineering, delivery control and testing capabilities. The qualification process typically takes up to eight weeks, or longer, depending on the requirements of the customer.
For test qualification, after we have been qualified by a customer and before the customer delivers semiconductors to us for testing in volume, a process known as correlation is undertaken. During the correlation process, the customer
provides us with test criteria; information regarding process flow and sample semiconductors to be tested and either provides us with the test program or requests that we develop a new or conversion program. In some cases, the customer also provides
us with a data log of results of any testing of the semiconductor that the customer may have conducted previously. The correlation process typically takes up to two weeks, but can take longer depending on the requirements of the customer.

Sales and Marketing

We maintain sales
and marketing offices in Taiwan and the United States. Our sales and marketing strategy is to focus on memory semiconductors in Taiwan, Japan, Korea and the United States, logic/mixed-signal semiconductors in Taiwan, Japan and the United States, LCD
and other flat-panel display driver semiconductors in Japan, Taiwan, Hong Kong and Mainland China. As of March 31, 2017, our sales and marketing efforts were primarily carried out by teams of sales professionals, application engineers and
technicians, totaling 29 staff members. Each of these teams focuses on specific customers and/or geographic regions. As part of our emphasis on customer service, these teams:



| |  |  | actively participate in the design process at the customers facilities;
| | - |  | ------------------------------------------------------------------------



| |  |  | resolve customer assembly and test issues; and
| | - |  | ----------------------------------------------



| |  |  | promote timely and individualized resolutions to customers issues.
| | - |  | -------------------------------------------------------------------

We conduct marketing
research through our in-house customer service personnel and through our relationships with our customers and suppliers to keep abreast of market trends and developments. Furthermore, we do product and system
bench marking analyses to understand the application and assembly technology evolution, such as analysis on mobile handsets and CD-/DVD-ROM players. In addition, we
regularly collect data from different segments of the semiconductor industry and, when possible, we work closely with our customers to design and develop assembly and test services for their new products. These
co-development or sponsorship projects can be critical when customers seek large-scale, early market entry with a significant new product.

We have appointed a non-exclusive sales agent for promoting our services for memory semiconductors in
Korea. Our sales agent helps us promote and market our services, maintain relations with our existing and potential customers and communicate with our customers on quality, specific requirements and delivery issues. We generally pay our sales agent
a commission of 3.5% of our revenue from services for memory semiconductors in Korea. In 2015 and 2016, we paid approximately NT$19 million and NT$4 million (US$123 thousand), respectively, in commissions to our sales agent.

Research and Development

To maintain our
competitive edge for continued business growth, we continue our focus of our investment in new technology research and development. In 2015 and 2016, we spent approximately NT$748 million, or 4% and NT$839 million (US$26 million), or 5%,
respectively, of our revenue on research and development. We intend to sustain these efforts.

Our research and development efforts have
been focused primarily on new technology instruction, improving efficiency and production yields of our assembly and test services. From time to time, we jointly develop new technologies with local and international research institutions and
universities. In testing area, our research and development efforts focused particularly on high speed probing, fine pitch probing capability and wafer level burn-in technology. Our projects include:



| |  |  | Grew wafer level BIST testing capability;
| | - |  | -----------------------------------------



| |  |  | Developed one touchdown full contact testing capability for 200mm and 300mm wafers;
| | - |  | -------------------------------------------------------------------------------------



| |  |  | Ramped up high frequency testing capability for LCD and other flat-panel display driver semiconductors;
| | - |  | -------------------------------------------------------------------------------------------------------



| |  |  | Built up fine pitch testing capability for smaller than 10um bump pitch products;
| | - |  | ---------------------------------------------------------------------------------



| |  |  | Developing wafer level probing on copper pillar bump for 300mm wafers; and
| | - |  | ----------------------------------------------------------------------------



| |  |  | Developing centralized server test control system.
| | - |  | --------------------------------------------------



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##### Table of Contents

In bumping and assembly areas, our research and development efforts were directed to:



| |  |  | Low-cost alloy wire bonding alternatives for Cu wirebond;
| | - |  | ---------------------------------------------------------



| |  |  | Au height reduction, as part of cost reduction drive, 10um bump height COF package was released for production;
| | - |  | ---------------------------------------------------------------------------------------------------------------



| |  |  | Wafer-level chip scale packaging and 3P2M Cu RDL processes;
| | - |  | -----------------------------------------------------------



| |  |  | Flip-chip QFN for power IC applications;
| | - |  | ----------------------------------------



| |  |  | Flip-chip CSP for DRAM & mixed-signal application;
| | - |  | --------------------------------------------------



| |  |  | Cu pillar bumping for 300mm wafers;
| | - |  | -----------------------------------



| |  |  | MEMS packages for mobile devices;
| | - |  | ---------------------------------



| |  |  | Multi-chip assembly and module of flash products for SSD and eMMC applications;
| | - |  | -------------------------------------------------------------------------------



| |  |  | Thin wafer lapping and dicing capabilities for stacked-die chip scale package;
| | - |  | ------------------------------------------------------------------------------



| |  |  | Biometric sensor package solutions, for example, Fingerprint sensor by LGA;
| | - |  | ---------------------------------------------------------------------------



| |  |  | Chip on Wafer (CoW) packaging solution for chip integration application;
| | - |  | ------------------------------------------------------------------------



| |  |  | Advanced thin core/core-free, & flex substrate solutions for thin & flip chip packages;
| | - |  | ---------------------------------------------------------------------------------------



| |  |  | 2-metal layers COF assembly & COF SMT capabilities for TDDI application; and
| | - |  | ----------------------------------------------------------------------------



| |  |  | Qualified thermally enhanced COF and MCB COF and released for manufacturing.
| | - |  | ----------------------------------------------------------------------------

For new product
and product enhancement work in 2016, our work concentrates on three key development programs: 3D WLCSP, biometric sensor package solutions, and flip chip technology. In the bumping area, we completed customer qualification of 300mm wafer Au bumping
process in 2012 and started volume production in Q4, 2012. Development of Cu plating enables the entry of WLCSP, RDL and flip chip market and Cu RDL applied on DRAM wafer for SiP product is qualified in 2016. Turnkey services of WLCSP and flip chip
QFN have been implemented for mass production in 2013 based on the successful technology developments. In 2012, we also initiated both 200mm and 300mm Cu pillar bumping engineering work and, related packaging technologies are being developed for
mixed-signal and memory products in 2013. It is also qualified on power management IC product in 2016. By integrating WLCSP bumping, copper pillar bumping and flip chip assembly capability, an integrated WLCSP (CoW or 3D WLCSP) is developing in
2015, and qualified the structure & process verification in 2016. CoW not only provides the cost effective package solution by stacking the different wafer node technology chip, but also could meet integrated function and smallest package
footprint. Meanwhile, fingerprint sensor (FPS) packaging solution by LGA was also developed for smartphone demand in 2015. More and more integrated function of DDIC and TDIC, TDDI, is requested for smartphone application, therefore 2-metal layers COF solution and COF SMT are developed to provide the package solution and TDDI in 2016.

In 2013, in-process engineering advancement allowed us to extend our wirebond technology to service
MEMS products. To further achieve cost reduction, alloy wire and 0.6 mil Au wirebond processes were also developed. In 2017, we will continue to work on improvements of wafer thinning and polishing operations facilitate the expansion of multi-chip
NAND packages offerings. Capability of handling miniature molded packages has been extended to 1x1 mm size and various improvements will also be made in production equipment to enhance throughput and efficiency.

As of March 31, 2017 we employed 598 employees in our research and development activities. In addition, other management and operational
personnel are also involved in research and development activities but are not separately identified as research and development professionals.

We maintain laboratory facilities capable for materials and electrical characterizations to support production and new product development.
Computer simulation is used to validate both mechanical and electrical models in comparison to measurement results. Enhancement of Shadow Moiré and Micro Moiré equipment was carried out to support MCP and flip chip package warpage and
residue stress characterization. In Advanced Packaging Lab, rheology measurement capability and high frequency electric simulation capability were established, aimed at expanding capability for material selection and inspection to support flip chip
introduction and various resin characterizations. A new analytical laboratory has been built out in our bumping line providing timely support to manufacturing operations.



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##### Table of Contents

Quality Control

We believe that our reputation for high quality and reliable services have been an important factor in attracting and retaining leading
international semiconductor companies as customers for our assembly and test services. We are committed to delivering semiconductors that meet or exceed our customers specifications on time and at a competitive cost. We maintain quality
control staff at each of our facilities.

As of March 31, 2017, we employed 330 personnel for our quality control activities. Our
quality control staff typically includes engineers, technicians and other employees who monitor assembly and test processes in order to ensure high quality. We employ quality control procedures in the following critical areas:



| |  |  | sales quality assurance: following market trends to anticipate customers future needs;
| | - |  | ---------------------------------------------------------------------------------------



| |  |  | design quality assurance: when developing new testing and assembly processes;
| | - |  | -----------------------------------------------------------------------------



| |  |  | supplier quality assurance: consulting with our long-term suppliers;
| | - |  | --------------------------------------------------------------------



| |  |  | manufacturing quality assurance: through a comprehensive monitoring program during mass production; and
| | - |  | -------------------------------------------------------------------------------------------------------



| |  |  | service quality assurance: quickly and effectively responding to customers claims after completion of sale.
| | - |  | ------------------------------------------------------------------------------------------------------------

All of our facilities have obtained ISO/TS 16949 quality system certification. In addition, our facilities in Hsinchu and Tainan have been ISO
9002 certified in September 1997 and December 1998, respectively, and recertified with ISO 9001 for substantial revision since 2000.

ISO/TS 16949 certification system seeks to integrate quality management standards into the operation of a company, and emphasizes the
supervision and measurement of process and performance. An ISO 9001 certification is required by many countries for sales of industrial products.

In addition to the quality management system, we also earned the 1998 QC Group Award from The Chinese Society of Quality, which is equivalent
to the similar award from the American Society of Quality. In 2003, ChipMOS passed SONY Green Partner (Tier 2) certification through its ProMOS channel, and in 2009, ChipMOS obtained SONY Green Partner (Tier 1) certification due to its direct
business relationship with SONY. Our laboratories have also been awarded Chinese National Laboratory accreditation under the categories of reliability test, electricity and temperature calibration.

Our assembly and test operations are carried out in clean rooms where air purity, temperature and humidity are controlled. To ensure the
stability and integrity of our operations, we maintain clean rooms at our facilities that meet U.S. federal 209E class 100, 1,000, 10,000 and 100,000 standards. A class 1,000 clean room means a room containing less than 1,000 particles of
contaminants per cubic foot.

We have established manufacturing quality control systems that are designed to ensure high-quality services
to our customers and maintain reliability and high production yields at our facilities. We employ specialized equipment for manufacturing quality and reliability control, including:



| |  |  | Joint Electron Device Engineering Council (JEDEC) standardized temperature cycling, thermal shock and pressure cook reliability tests;
| | - |  | --------------------------------------------------------------------------------------------------------------------------------------



| |  |  | high and low temperature storage life tests, temperature humidity bias test and highly accelerated temperature/humidity stress test (HAST); and
| | - |  | -----------------------------------------------------------------------------------------------------------------------------------------------



| |  |  | high resolution scanning acoustic tomography, scanning electronic microscope and X-Ray microscopy for physical failure analysis, curve tracer and semi-probe station for electrical
failure analysis.
| | - |  | -----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------

In addition, to enhance our performance and our research and development capabilities, we also installed
a series of high-cost equipment, such as temperature humidity bias testers, low temperature storage-life testers and highly accelerated stress testers. We believe that many of our competitors do not own this equipment.

As a result of our ongoing focus on quality, in 2016, we achieved monthly assembly yields of an average of 99.93% for our memory and
logic/mixed-signal assembly packages, 99.97% for our COF packages, 99.95% for our COG packages and 99.95% for our bumping products. The assembly yield, which is the industry standard for measuring production yield, is equal to the number of
integrated circuit packages that are shipped back to customers divided by the number of individual integrated circuits that are attached to leadframes or organic substrate.



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##### Table of Contents

Raw Materials

Semiconductor testing requires minimal raw materials. Substantially all of the raw materials used in our memory and logic/mixed-signal
semiconductor assembly processes are interconnect materials such as leadframes, organic substrates, gold wire and molding compound. Raw materials used in the LCD and other flat-panel display driver semiconductor assembly and test process include
carrier tape, resin, spacer tape, plastic reel, aluminum bags, and inner and outer boxes. Cost of raw materials represented 17% and 18% of our revenue in 2015 and 2016, respectively.

We do not maintain large inventories of leadframes, organic substrates, gold wire or molding compound, but generally maintain sufficient stock
of each principal raw material for approximately one months production based on blanket orders and rolling forecasts of near-term requirements received from customers. In addition, since the commencement of economic downturn in second quarter
of 2008, due to the volatility of the semiconductor market, several of our principal suppliers have also ceased to stock inventories to be reserved to meet its customers production requirements. Instead, our suppliers now require longer lead
time for delivery of our supply orders. Shortage in the supply of materials experienced by the semiconductor industry have in the past resulted in price adjustments. Our principal raw material supplies have not been impacted by the Japan earthquake
and tsunami catastrophe. See Item 3. Key InformationRisk FactorsRisks Relating to Our BusinessIf we are unable to obtain raw materials and other necessary inputs from our suppliers in a timely and cost-effective manner,
our production schedules would be delayed and we may lose customers and growth opportunities and become less profitable for a discussion of the risks associated with our raw materials purchasing methods. For example, with the exception of
aluminum bags and inner and outer boxes, which we acquire from local sources, the raw materials used in our TCP/COF process and for modules are obtained from a limited number of Japanese suppliers.

Competition

The independent assembly and test markets
are very competitive. Our competitors include large IDMs with in-house testing and assembly capabilities and other independent semiconductor assembly and test companies, especially those offering vertically
integrated assembly and test services, such as Advanced Semiconductor Engineering Inc., Amkor Technology, Inc., Chipbond Technology Corporation, King Yuan Electronics Co., Ltd., Powertech Technology, Siliconware Precision, Jiangsu Changjiang
Electronics Technology Co., Ltd. and United Test and Assembly Center Ltd. We believe that the principal measures of competitiveness in the independent semiconductor testing industry are:



| |  |  | engineering capability of software development;
| | - |  | -----------------------------------------------



| |  |  | quality of service;
| | - |  | -------------------



| |  |  | flexibility;
| | - |  | ------------



| |  |  | capacity;
| | - |  | ---------



| |  |  | production cycle time; and
| | - |  | --------------------------



| |  |  | price.
| | - |  | ------

In assembly services, we compete primarily on the basis of:



| |  |  | production yield;
| | - |  | -----------------



| |  |  | production cycle time;
| | - |  | ----------------------



| |  |  | process technology, including our COF technology for LCD and other flat-panel display driver semiconductor assembly services;
| | - |  | -----------------------------------------------------------------------------------------------------------------------------



| |  |  | quality of service;
| | - |  | -------------------



| |  |  | capacity;
| | - |  | ---------



| |  |  | location; and
| | - |  | -------------



| |  |  | price.
| | - |  | ------



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##### Table of Contents

IDMs that use our services continually evaluate our performance against their own in-house assembly and test capabilities. These IDMs may have access to more advanced technologies and greater financial and other resources than we do. We believe, however, that we can offer greater efficiency and
lower costs while maintaining an equivalent or higher level of quality for three reasons:



| |  |  | firstly, we offer a broader and more complex range of services as compared to the IDMs, which tend to focus their resources on improving their front-end operations;
| | - |  | --------------------------------------------------------------------------------------------------------------------------------------------------------------------



| |  |  | secondly, we generally have lower unit costs because of our higher utilization rates and thus enabling us to operate at a more cost-effective structure compared to the IDMs; and
| | - |  | ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------



| |  |  | finally, we offer a wider range of services in terms of complexity and technology.
| | - |  | ----------------------------------------------------------------------------------

Intellectual Property

As of March 31, 2017, we held 490 patents in Taiwan, 172 patents in the United States, 244 patents in the Peoples Republic
of China and 1 patent in the United Kingdom, France, Germany, Japan, respectively, and 2 patents in Korea, relating to various semiconductor assembly and test technologies. These patents will expire at various dates through to 2036. As of
March 31, 2017, we also had a total of 16 pending patent applications in the United States, 39 in Taiwan, 95 in the Peoples Republic of China, 1 in Europe, and 1 in Japan. In addition, we have registered ChipMOS and its logo
and InPack as trademarks in Taiwan, and ChipMOS and its logo as trademarks in the United States, the Peoples Republic of China, Singapore, Hong Kong, Korea, Japan and the European Community.

We expect to continue to file patent applications where appropriate to protect our proprietary technologies. We may need to enforce our
patents or other intellectual property rights or to defend ourselves against claimed infringement of the rights of others through litigation, which could result in substantial costs and a diversion of our resources. See Item 3. Key
InformationRisk FactorsRisks Relating to Our BusinessDisputes over intellectual property rights could be costly, deprive us of technologies necessary for us to stay competitive, render us unable to provide some of our services and
reduce our opportunities to generate revenue and Item 8. Financial InformationLegal Proceedings.

Government Regulations

As discussed above under Intellectual Property, governmental regulation of our intellectual property may materially
affect our business. The failure to protect our property rights would deprive us of our ability to stay competitive in the semiconductor industry. Our intellectual property rights are protected by the relevant patent and intellectual property
agencies of the European Community, United States, the Peoples Republic of China, Singapore, Hong Kong, Korea, Japan and Taiwan.

Environmental
Matters

Semiconductor testing does not generate significant pollutants. The semiconductor assembly and gold bumping process generate
stationary acid, alkali and VOC pollutions, principally at the plating and etching stages. Water waste is produced when silicon wafers are ground thinner, diced into chips with the aid of diamond saws and cleaned with running water. In addition,
excess materials, either on lead-frames or molding process, are removed from assembled semiconductors in the trimming and de-junking processes, respectively. We have various treatment equipments for wastewater
and air pollutants at our assembly and bumping facilities. Since 2001, we have adopted certain environmentally-friendly production management systems, and have implemented certain measures intended to bring our all processes in compliance with the
Restriction of Hazardous Substances Directive 2002/95/EC issued by the European Union and our customers. We believe that we have adequate and effective environmental protection measures that are consistent with semiconductor industry practices in
Taiwan. In addition, we believe we are in compliance in all material respects with current environmental laws and regulations applicable to our operations and facilities.

All of our facilities in Taiwan have been certified as meeting the ISO 14001 environmental standards of the International Organization for
Standardization, and all of our facilities in Taiwan have been certified as meeting the OHSAS18001 standards of the International Organization for Standardization. Our facilities at Hsinchu Science Park, Chupei and Southern Taiwan Science Park have
won numerous awards including Green Factory Label in 2015, Enterprises Environmental Protection Award and Occupational Safety and Health Excellent Award in 2016, ISO 50001, Smart Green Building Label in 2013, Health
Promotion Awards granted by Department of Health of ROC since 2012, Safety & Health Performance Certification Unit from Council of the Labor Affairs of ROC in 2009 and 2010. Our Chupei facility has won Civil Defense
Excellent Award in 2009 to 2012, EPA Fresh Air Area Clean Excellent Award in 2014 to 2016. We continue to encourage our employees to participate in community environmental campaigns and better environmental friendly practices.



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We will continue to enhance related management to reduce industrial waste, save energy and
control pollution. For products in conformity with Green Product Requirement, the Company obtained Green Partner certification from Sony Corporation of Japan, respectively in 2003 and 2008. Furthermore we passed QC080000 certification and
Greenhouse Gas Verification Statement (ISO14064) from 2013 until now. We further confirmed many products CFP Carbon Footprint Verification Statement (ISO14067) and WFN Water Footprint Verification Statement.
At the same time, Tainan plant passed the certification of energy management program (ISO 50001) since 2015. We plan to arrange all of ChipMOS plants to pass the certification of ISO 50001 in the near future. Our policy is to pay
attention to the environment issues by standardizing on green, environmental-friendly products, cleaner process and enhance supplier chain management to meet ChipMOS Corporate Social Responsibilities.

Insurance

We maintain insurance policies
on our buildings, equipment and inventories. These insurance policies cover property damages due to all risks, including but not limited to, fire, lightning and earthquakes. The maximum coverage of property insurance for the Company is approximately
NT$74,556 million.

Insurance coverage on facilities under construction is maintained by us and our contractors, who are obligated to
procure necessary insurance policies and bear the relevant expenses of which we are the beneficiary. We also maintain insurance on the wafers delivered to us while these wafers are in our possession and during transportation from suppliers to us and
from us to our customers.

Employees

See Item 6. Directors, Senior Management and EmployeesEmployees for certain information relating to our employees.

Taxation

See Item 5. Operating and
Financial Review and ProspectsTaxation for certain information regarding the effect of PRC and ROC tax regulations on our operations.

Facilities

We provide testing services
through our four facilities in Taiwan, with one facility at each of the following locations: Chupei, the Hsinchu Industrial Park, the Hsinchu Science Park, and the Southern Taiwan Science Park. We provide assembly services through our facility at
the Southern Taiwan Science Park. We own the land for our Hsinchu Industrial Park testing facility and Chupei facility and we lease two parcels of land for our Hsinchu Science Park testing facility with lease expiration in year 2027 and 2034,
respectively, and two parcels of land for our Southern Taiwan Science Park facility with lease expiration in year 2024 and 2032.

The
following table shows the location, primary use and size of each of our facilities, and the principal equipment installed at each facility, as of March 31, 2017.



|                                     |  |                      |  |                 |  |                                                   
|------------------------------------ |  | -------------------- |  | --------------- |  | --------------------------------------------------
|Location of Facility                 |  | Primary Use          |  | Floor Area (m2) |  | Principal Equipment                               
|Chupei, Hsinchu                      |  | Testing/Gold Bumping |  | 38,166          |  | 9 steppers 17 sputters
300 testers                
|                                     |  |                      | 
|Hsinchu Industrial Park, Taiwan      |  | Testing              |  | 25,864          |  | 97 testers 26
burn-in ovens                       
|                                     |  |                      | 
|Hsinchu Science Park,Taiwan          |  | Testing              |  | 31,168          |  | 151 testers 92
burn-in ovens                      
|                                     |  |                      | 
|Southern Taiwan Science Park, Taiwan |  | Assembly/Testing     |  | 146,186         |  | 800 wire bonders 99 inner-lead bonders
418 testers



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Equipment

Testing of Memory and Logic/Mixed-Signal Semiconductors

Test equipment is the most capital-intensive component of the memory and logic/mixed-signal semiconductors test business. Upon the acquisition
of new test equipment, we install, configure, calibrate and perform burn-in diagnostic tests on the equipment. We also establish parameters for the test equipment based on anticipated requirements of existing
and potential customers and considerations relating to market trends. As of March 31, 2017, we operated 512 testers for testing memory and logic/mixed-signal semiconductors. We generally seek to purchase testers with similar functionality that
are able to test a variety of different semiconductors. We purchase testers from international manufacturer, Advantest Corporation.

In
general, particular semiconductors can be tested using a limited number of specially designed testers. As part of the qualification process, customers will specify the machines on which their semiconductors may be tested. We often develop test
program conversion tools that enable us to test semiconductors on multiple equipment platforms. This portability among testers enables us to allocate semiconductor testing across our available testing capacity and thereby improve capacity
utilization rates. If a customer requires the testing of a semiconductor that is not yet fully developed, the customer consigns its testing software programs to us to test specific functions. If a customer specifies test equipment that is not widely
applicable to other semiconductors we test, we require the customer to furnish the equipment on a consignment basis.

We will continue to
acquire additional test equipment in the future to the extent market conditions, cash generated from operations, the availability of financing and other factors make it desirable to do so. Some of the equipment and related spare parts that we
require have been in short supply in recent years. Moreover, the equipment is only available from a limited number of vendors or is manufactured in relatively limited quantities and may have lead time from order to delivery in excess of six months.

Assembly of Memory and Logic/Mixed-Signal Semiconductors

The number of wire bonders at a given facility is commonly used as a measure of the assembly capacity of the facility. Typically, wire bonders
may be used, with minor modifications, for the assembly of different products. We purchase wire bonders principally from Shinkawa Co., Ltd. and Kulicke & Soffa Industries Inc. As of March 31, 2017, we operated 800 wire bonders. In
addition to wire bonders, we maintain a variety of other types of assembly equipment, such as wafer grinders, wafer mounters, wafer saws, die bonders, automated molding machines, laser markers, solder platers, pad printers, dejunkers, trimmers,
formers, substrate saws and lead scanners.

Gold Bumping, Assembly and Test of LCD and Other Flat-Panel Display Driver Semiconductors

We acquired TCP-related equipment from Sharp to begin our
TCP-related services. We subsequently purchased additional TCP-related testers from Yokogawa Electric Corp. and Advantest Corporation and assembly equipment from
Shibaura Mechatronics Corp., Shinkawa Co., Ltd., Athlete FA Corp., Daitron Electron Corp. and GMM Corp. As of March 31, 2017, we operated 9 steppers and 17 sputters for gold bumping, 99 inner-lead bonders for assembly and 454 testers for LCD
and other flat-panel display driver semiconductors. We are currently in the process of purchasing additional test equipment. The test equipment can be used for the TCP, COF and COG processes, while the inner-lead bonders are only used in the TCP and
COF processes. The same types of wafer grinding, auto wafer mount and die saw equipment is used for the TCP, COF and COG processes. In addition, auto inspection machines and manual work are used in the COG process, which is more labor-intensive than
the TCP and COF processes.



|Item 4A. | Unresolved Staff Comments
|-------- | -------------------------

Not applicable.



|Item 5. | Operating and Financial Review and Prospects
|------- | --------------------------------------------

This discussion
and analysis should be read in conjunction with our consolidated financial statements and related notes contained in this Annual Report on Form 20-F.



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Overview

We provide a broad range of back-end assembly and test services. Test services include wafer probing
and final testing of memory and logic/mixed-signal semiconductors. We also offer a broad selection of leadframe and organic substrate-based package assembly services for memory and logic/mixed-signal semiconductors. Our advanced leadframe-based
packages include thin small outline packages, or TSOPs, and our advanced organic substrate-based packages include fine-pitch ball grid array, or fine-pitch BGA, packages. We also offer WLCSP products and
turn-key flip chip assembly and test services using variety of leadframe and organic substrate carries. In addition, we provide gold bumping, assembly and test services for LCD, OLED and other flat-panel
display driver semiconductors by employing TCP, COF and COG technologies. Our copper bumping technology supports non-driver type of products, such as RDL, copper pillar, WLCSP etc. In 2016, our consolidated
revenue was NT$18,388 million (US$568 million) and our profit for the year attributable to equity holders of the Company was NT$1,707 million (US$53 million).

We are a company limited by shares, incorporated in ROC on July 28, 1997 as a joint venture company of Mosel and Siliconware Precision
and with the participation of other investors. We provide our services through our subsidiaries and affiliate.

Following the completion
of the share exchange transaction between ChipMOS Bermuda and the Company on September 14, 2007, the Company became a wholly-owned subsidiary of ChipMOS Bermuda. In February 2010, ChipMOS Bermuda agreed to sell 15.8% of the Companys
outstanding shares to Siliconware Precision. The share purchase transaction was completed in January 2011. As part of the Companys listing plan on the TWSE, on April 16, 2013, ChipMOS Bermuda completed the sale of 6.5 million
outstanding shares or 0.8% of the total number of outstanding shares of the Company, at the price of NT$15.0 per share to the Companys underwriters and to certain others, including non-US employees of
the Company. Also, from September 2, 2013 to October 3, 2013, ChipMOS Bermuda completed another sale of 180 million outstanding shares or 21.4% of the total number of outstanding shares of the Company, at the price of NT$20.0 per
share to investors. On April 9, 2014, ChipMOS Bermuda sold approximately 1.3 million shares of the Company as green shoe option to market investors. The Company became listed and commenced trading on the main board of TWSE on
April 11, 2014. See Item 3. Key InformationRisk FactorsRisks Relating to Our Common Shares or ADSsThe Companys ability to maintain its listing and trading status of common shares on the Taiwan Stock Exchange or
ADSs on the NASDAQ Stock Market is dependent on factors outside of the Companys control and satisfaction of stock exchange requirements. The Company may not be able to overcome such factors that disrupt its trading status of common shares on
the Taiwan Stock Exchange or ADSs on the NASDAQ Stock Market or satisfy other eligibility requirements that may be required of it in the future for additional information.

In April 2011, ChipMOS Bermuda entered into the MMT Assignment Agreement with ThaiLin to sell the MMT Notes to ThaiLin for a purchase price of
approximately US$40 million. The MMT Assignment Agreement transaction was completed on October 3, 2011 and ChipMOS BVI, then became the wholly-owned subsidiary of ThaiLin. On November 12, 2014, the Company made announcement for the
contemplated merger with ThaiLin. The merger completed on June 17, 2015 and the Company continues as the surviving merged entity. ChipMOS BVI then became the wholly-owned subsidiary of the Company.

On December 11, 2015, the board of the Company authorized and the Company and Tsinghua Unigroup executed the Tsinghua Share Subscription
Agreement, which is included as Exhibit 4.3, to sell and issue 299,252,000 shares of the Company to Tsinghua Unigroup through the Private Placement at a price of NT$40.0 per common share of the Company representing an aggregate purchase price of
approximately NT$12.0 billion. The Company and Tsinghua Unigroup and its subsidiary also have entered into other agreements related to the Tsinghua Share Subscription Agreement. On November 30, 2016, the Company and Tsinghua Unigroup
mutually agreed to terminate the Tsinghua Share Subscription Agreement and to form a joint-venture. Under the joint-venture, ChipMOS BVI, a wholly-owned subsidiary of the Company, will sell 54.98% of the equity interests of its wholly-owned
subsidiary, ChipMOS Shanghai, to strategic investors, including Tibet Unigroup Guowei Investment Co., Ltd. (Unigroup Guowei), a subsidiary of Tsinghua Unigroup, which will hold 48% equity interests of ChipMOS Shanghai, and the other
strategic investors, including a limited partnership owned by ChipMOS Shanghais employees, will own 6.98% equity interest of ChipMOS Shanghai. On March 24, 2017, ChipMOS BVI completed the sale of 54.98% equity interests of ChipMOS
Shanghai to Unigroup Guowei and other strategic investors. ChipMOS Shanghai was no longer the subsidiary of ChipMOS BVI. See Item 4. Information on the CompanyOur Structure and History for more details.



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On January 21, 2016, ChipMOS Bermuda and the Company entered into the Merger Agreement,
pursuant to which ChipMOS Bermuda merged with and into the Company, with the latter being the surviving company after the Merger. Pursuant to the Merger Agreement, at the effective time, each ChipMOS Bermuda share issued and outstanding immediately
prior to the effective time was cancelled and, in exchange, each former holder of such cancelled ChipMOS Bermuda shares was entitled to receive, with respect to each such ChipMOS Bermuda share, (i) 0.9355 ADS, representing 18.71 the Company share,
each ADS representing 20 common shares of the Company, and (ii) US$3.71 in cash, without interest, net of any applicable withholding tax. Upon completion of the Merger, the Company and its subsidiaries owned continued to conduct the business
that they conducted in substantially the same manner. For additional information regarding the Merger see Item 4. Information on the Company.

We conduct testing operations in our facilities at the Hsinchu Science Park, the Hsinchu Industrial Park and Chupei, gold bumping and wafer
testing in our facility at Chupei, and assembly and testing operations in our facility at the Southern Taiwan Science Park. We also conduct operations in Mainland China through ChipMOS Shanghai, a 45.02%-owned affiliate of ChipMOS BVI. ChipMOS
Shanghai operates an assembly and test facility at the Qingpu Industrial Zone in Shanghai. Through our subsidiaries, we also have equity interests in other companies that are engaged in the semiconductor industry.

The following key trends are important to understanding our business:

Capital Intensive Nature of Our Business. Our operations, in particular our testing operations, are characterized by relatively high
fixed costs. We expect to continue to incur substantial depreciation and other expenses as a result of our previous acquisitions of assembly and test equipment and facilities. Our profitability depends in part not only on absolute pricing levels for
our services, but also on capacity utilization rates for our assembly and test equipment. In particular, increases or decreases in our capacity utilization rates could significantly affect our gross margins since the unit cost of assembly and test
services generally decreases as fixed costs are allocated over a larger number of units.

The current generation of advanced testers
typically cost between US$1 million and US$5 million each, while wire bonders used in assembly typically cost approximately US$68 thousand each and inner-lead bonders for TCP and COF assembly cost approximately US$360 thousand
each and COG chip sorters cost approximately US$220 thousand each. We begin depreciating our equipment when it is placed into commercial operation. There may be a time lag between the time when our equipment is placed into commercial operation
and when it achieves high levels of utilization. In periods of depressed semiconductor industry conditions, we may experience lower than expected demand from our customers and a sharp decline in the average selling prices of our assembly and test
services, resulting in an increase in depreciation expenses relative to revenue. In particular, the capacity utilization rates for our test equipment may be severely adversely affected during a semiconductor industry downturn as a result of the
decrease in outsourcing demand from integrated device manufacturers, or IDMs, which typically maintain larger in-house testing capacity than in-house assembly capacity.

Highly Cyclical Nature of the Semiconductor Industry. The worldwide semiconductor industry has experienced peaks and troughs over
the last decade, with a severe downturn beginning in the fourth quarter of 2000 that was followed by a recovery in early 2003. The significant decrease in market demand for semiconductors that began in 2000 adversely affected our results of
operations for 2001 and 2002. Beginning in the fourth quarter of 2008, the semiconductor industry commenced another significant downturn which continued in 2009 and in 2010. Market demand for semiconductors significantly decreased across our
industry during these periods, which adversely affected average selling prices for our services and our results of operations for 2008, 2009 and 2010. The impact on our results of operations caused by the decrease in market demand during these
periods was partly offset by increases in our 2009 and 2010 revenue from assembly services for logic/mixed-signal semiconductors due to higher customer demand for these services in 2009 and 2010. The overall outsourced assembly and test services for
memory and logic/mixed-signal semiconductors increased gradually each year since 2010. During periods of decreased demand for assembled semiconductors, some of our customers may forego, delay or simplify final testing of certain types of
semiconductors, such as DRAM, which may further decrease the demand and average selling prices for our services and intensify our difficulties related to realizing pricing levels, capacity utilization rates and gross margin during these periods.



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Declining Average Selling Prices of Our Assembly and Test Services. The semiconductor
industry is characterized by a general decrease in prices for products and services over the course of their product and technology life cycles. The rate of decline is particularly steep during periods of intense competition and adverse market
conditions. The average selling prices of our assembly and test services experienced sharp declines during such periods as a result of intense price competition from other independent assembly and test companies that attempt to maintain high
capacity utilization levels in the face of reduced demand.

To offset the effects of decreasing average selling prices, we will continue
to seek to:



| |  |  | improve production efficiency and attain high capacity utilization rates;
| | - |  | -------------------------------------------------------------------------



| |  |  | concentrate on testing of potentially high-demand, high-growth semiconductors;
| | - |  | ------------------------------------------------------------------------------



| |  |  | develop new assembly technologies; and
| | - |  | --------------------------------------



| |  |  | implement new technologies and platforms to shift into potentially higher margin services.
| | - |  | ------------------------------------------------------------------------------------------

Market Conditions for the End-User Applications for Semiconductors. Market conditions in the
semiconductor industry, to a large degree, track those for their end-user applications. Any deterioration in the market conditions for the end-user applications of
semiconductors that we test and assemble may reduce demand for our services and, in turn, materially adversely affect our financial condition and results of operations. Despite an increase in the demand for mobile/niche DRAM in 2010, for DRAMs with
more advanced features such as that of enhanced graphic capability, increased power efficiency and increased mobility, the average market demand for DRAM remained low since 2010 until 2013. Our revenue is largely attributable to fees from testing
and assembling semiconductors for use in personal computers, consumer and portable electronic products, display applications and communications equipment. The markets for these products are intensely competitive, and a significant decrease in demand
puts pricing pressure on our assembly and test services and negatively affects our earnings. The oversupply of DRAM products in the second half of 2007 and the weak demand in the DRAM market in 2008 and in the first quarter of 2009 resulted in
significant reductions in the price of DRAM products, which in turn drove down the average selling prices for our assembly and test services for DRAM products from the second half of 2009 and continued until 2013.

Change in Product Mix. Declines in average selling prices since 2009 have been partially offset by a change in our revenue mix. In
particular, revenue from assembly and test of LCD and other flat-panel display driver semiconductors, bumping services and 12-inch wafer processing have increased as a percentage of our total revenue over the
2009 to 2015 period. We intend to continue focusing on testing and assembling more semiconductors that have the potential to provide higher margins and developing and offering new technologies in testing and assembly services, in order to mitigate
the effects of declining average selling prices on our ability to attain profitability.

Recent Acquisitions

As part of the Companys listing plan on the TWSE, on April 16, 2013, ChipMOS Bermuda completed the sale of 6.5 million or 0.8%
of the total number of the Companys outstanding shares, at the price of NT$15.0 per share to the Companys underwriters and to certain others, including non-US employees of the Company. Also, from
September 2, 2013 to October 3, 2013, ChipMOS Bermuda completed another sale of 180 million or 21.4% of the total number of the Companys outstanding shares, at the price of NT$20.00 per share to investors. On April 9, 2014,
ChipMOS Bermuda sold approximately 1.3 million shares of the Company as green shoe option to market investors. The Company became listed and commenced trading on the main board of TWSE on April 11, 2014. On June 17, 2015,
ThaiLin was merged into the Company. See Item 4. Information on the CompanyOur Structure and History for description of our earlier merger events.



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On December 11, 2015, the board of the Company authorized and the Company and Tsinghua
Unigroup executed the Tsinghua Share Subscription Agreement, which is included as Exhibit 4.3, to sell and issue 299,252,000 shares of the Company to Tsinghua Unigroup through the Private Placement at a price of NT$40.0 per common share representing
an aggregate purchase price of approximately NT$12.0 billion. The Company and Tsinghua Unigroup and its subsidiary also have entered into other agreements related to the Tsinghua Share Subscription Agreement. On November 30, 2016, the
Company and Tsinghua Unigroup mutually agreed to terminate the Tsinghua Share Subscription Agreement and to form a joint-venture. Under the joint-venture, ChipMOS BVI, a wholly-owned subsidiary of the Company, will sell 54.98% of the equity
interests of its wholly-owned subsidiary, ChipMOS Shanghai, to strategic investors, including Unigroup Guowei, a subsidiary of Tsinghua Unigroup, which will hold 48% equity interests of ChipMOS Shanghai, and the other strategic investors, including
a limited partnership owned by ChipMOS Shanghais employees, will own approximately 6.98% equity interest of ChipMOS Shanghai. As of December 31, 2016, the equity transfer was not completed, and therefore, the assets, liabilities and
equity related to ChipMOS Shanghai have been reclassified as held for sale and presented as discontinued operations according to IFRS 5 Non-current Assets Held for Sale and Discontinued Operations.
The equity transfer was completed on March 24, 2017 and ChipMOS Shanghai is no longer a subsidiary of the Company. For additional information see Item 4. Information on the CompanyAgreements with Tsinghua Unigroup Ltd.

On January 21, 2016, the board of directors of ChipMOS Bermuda approved the merger with and into the Company, with the later being the
surviving company. In accordance with the agreement and plan of merger entered into between the Company and ChipMOS Bermuda on January 21, 2016, the shareholders of ChipMOS Bermuda received (i) US$3.71 in cash and (ii) 0.9355 ADS
representing 18.71 shares of the Company (each ADS representing 20 new common shares, par value of NT$10 each, to be issued by the Company) in exchange for each outstanding ChipMOS Bermuda common share. The Merger was completed and effective on
October 31, 2016. The transaction was accounted as a capital reorganization within the Group. The Companys comparative financial statements present financial information as if ChipMOS Bermuda had always been combined with the Company,
restated retrospectively. The Company issued 512,405,340 common shares represented by the ADSs and the ADSs were listed on the NASDAQ Global Select Market on November 1, 2016.

Revenue

We conduct our business
according to the following main business segments: (1) testing services for memory and logic/mixed-signal semiconductors; (2) assembly services for memory and logic/mixed-signal semiconductors; (3) LCD and other flat-panel display
driver semiconductor testing and assembly services; and (4) bumping services for memory, logic/mixed-signal and LCD and other flat-panel display driver semiconductors. The following table sets forth, for the periods indicated, our consolidated
revenue for each segment.



|                                                                           |  |                         |          |  |      |   |          |      |  |   |       | 
|-------------------------------------------------------------------------- |  | ----------------------- | -------- |  | ---- | - | -------- | ---- |  | - | ----- | 
|                                                                           |  | Year ended December 31, |         
|                                                                           |  | 2015                    |          |  | 2016 |   |          | 2016 | 
|                                                                           |  | NT$                     |          |  | NT$  |   |          | US$  | 
|                                                                           |  | (in millions)           |         
|Testing                                                                    |  |                         |          |  |      |   |          |      |  |   |       | 
|Memory                                                                     |  | $                       | 3,789.9  |  |      | $ | 3,620.5  |      |  | $ | 111.7 | 
|Logic/mixed-signal                                                         |  |                         | 756.5    |  |      |   | 966.6    |      |  |   | 29.8  | 
|Total testing                                                              |  |                         | 4,546.4  |  |      |   | 4,587.1  |      |  |   | 141.5 | 
|Assembly                                                                   |  |                         |          |  |      |   |          |      |  |   |       | 
|Memory                                                                     |  |                         | 4,965.6  |  |      |   | 5,283.6  |      |  |   | 163.1 | 
|Logic/mixed-signal                                                         |  |                         | 560.0    |  |      |   | 597.2    |      |  |   | 18.4  | 
|Total assembly                                                             |  |                         | 5,525.6  |  |      |   | 5,880.8  |      |  |   | 181.5 | 
|LCD and other flat-panel display driver semiconductor testing and assembly |  |                         | 5,396.0  |  |      |   | 4,920.3  |      |  |   | 151.9 | 
|Bumping                                                                    |  |                         | 3,369.1  |  |      |   | 2,999.4  |      |  |   | 92.6  | 
|                                                                           |  |                         |          |  |      |   |          |      |  |   |       | 
|Total                                                                      |  | $                       | 18,837.1 |  |      | $ | 18,387.6 |      |  | $ | 567.5 | 
|                                                                           |  |                         |          |  |      |   |          |      |  |   |       | 

Our revenue consists primarily of service fees for testing and assembling semiconductors, and to a lesser
extent, fees from equipment rentals to semiconductor manufacturers for engineering testing, less allowances for product returns. We offer assembly and test services for memory semiconductors, logic/mixed-signal semiconductors, assembly and test
services for LCD and other flat-panel display driver semiconductors and bumping services.



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Most of our customers do not place purchase orders far in advance and our contracts with
customers generally do not require minimum purchases of our products or services. Our customers purchase orders have varied significantly from period to period because demand for their products is often volatile. We have strategically entered
into long-term capacity agreements with some of our customers. Under certain of those long-term agreements, we have agreed to reserve capacity for our customers and our customers have agreed to place orders in the amount of the reserved capacity
(which is subject in certain cases to reduction by the customers). As part of our strategy, we intend to continue entry into additional long-term capacity agreements as well as focus on our business with smaller customers or customers who do not
place orders on a regular basis. We believe that the dual focused strategy would assist us to be better prepared for the current economic volatility and ensure maximum utilization rate of our capacity and help us to develop closer relationships with
all types of our customers. Depending on customer demands, market conditions and other considerations, we remain to be focused on expansion of our operations outside Taiwan and Mainland China in connection with possible future long-term capacity
agreements.

Our financial condition and results of operations have also been, and are likely to continue to be, affected by price
pressures on our service fees, which tend to decline in tandem with the declining average selling prices of the products we test and assemble over the course of their product and technology life cycles. In order to maintain our margins, it is
necessary to offset the fee erosion by continually improving our production efficiency and maintaining high capacity utilization rates. We also plan to continue to develop and implement new technologies and expand our services into potentially
higher-margin segments. These efforts require significant upfront investment in advance of incremental revenue, which could impact our margins.

Pricing

We price our testing fees
primarily based on the cost of testing the products to our customers specifications, including the costs of the required material and components, the depreciation expenses relating to the equipment involved and our overhead expenses, and with
reference to prevailing market prices. Accordingly, the testing fee for a particular product would principally depend on the time taken to perform the tests, the complexity of the product and the testing process, and the cost of the equipment used
to perform the test. For example, testing fees for memory semiconductors are significantly higher than those for other products because of the longer time required and the need for burn-in testing.

We price our assembly services on a per unit basis, taking into account the complexity of the package, our costs, including the costs of the
required material and components, the depreciation expenses relating to the equipment involved and our overhead expenses, prevailing market conditions, the order size, the strength and history of our relationship with the customer and our capacity
utilization.

We price our assembly and test services for LCD and other flat-panel display driver semiconductors and bumping services on
the basis of our costs, including the costs of the required material and components, the depreciation expenses relating to the equipment involved and our overhead expenses, and the price for comparable services.

On a case by case, we offer volume discounts to customers who purchase large quantities of our services and special discounts to customers who
use our vertically integrated services and may offer special payment terms, including longer payment cycles, to key customers during downturns in the market so as to retain business from such key customers.

Revenue Recognition

We
generally recognize our revenue upon completion of assembly and test services. We also recognize our revenue upon shipment of tested and assembled semiconductors to locations designated by our customers, including our internal warehouse for
customers using our warehousing services. We submit invoices at the time of completion of service or shipment or delivery and generally require all customers to pay and collect payment of our invoices within 60 days after the last day of the month
during which the invoice was sent.

Related Party Revenues

In 2015 and 2016, no revenue was derived from related parties. See Item 7. Major Shareholders and Related Party Transactions
for more information concerning our related party transactions.



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Geography and Currency

The majority of our revenue is generated from customers headquartered in Taiwan, which represented 72% and 69% of our revenue in 2015 and 2016,
respectively. We also generate revenue from customers in the United States, Singapore, Korea, Japan and other countries. Our service fees and revenue are generally denominated in the currency of the jurisdiction in which our facilities are located,
for example NT dollars for our Taiwan operations. As we generate most of our revenue from Taiwanese customers using our Taiwanese operations, and since most of our labor and overhead costs are denominated in NT dollars, we consider the NT dollar to
be our functional currency.

See Note 36 to our consolidated financial statements contained in this Annual Report on Form 20-F and Item 11. Quantitative and Qualitative Disclosure about Market RiskMarket RisksForeign Currency Exchange Rate Risks for certain information on our exchange rate risks.

Cost of Revenue and Gross Profit

Our
cost of revenue consists primarily of the following: depreciation and amortization expenses, raw material costs, and labor and overhead expenses, which primarily include expendable equipment, sub-contracting
fees and rental expenses. Our operations, in particular our testing, are characterized by relatively high fixed costs. We expect to continue to incur substantial depreciation and other expenses as a result of our previous and future acquisitions of
assembly and test equipment and facilities. As of March 31, 2017, we had 966 testers, 118 burn-in ovens, 800 wire bonders, 99 inner-lead bonders, 9 steppers and 17 sputters. We use inner-lead bonders for
the assembly of LCD and other flat-panel display driver semiconductors using TCP or COF technology, and wire bonders for TSOP, BGA, and some other package assembly technologies.

Our profitability depends in part not only on absolute pricing levels for our services, but also on our capacity utilization rates. Our
average capacity utilization rate for testing of memory and logic/mixed-signal semiconductors was 65% in 2015 and 70% in 2016. Our average capacity utilization rate for assembly of memory and logic/mixed-signal semiconductors was 63% in 2015 and 64%
in 2016. Our average capacity utilization rate for LCD and other flat-panel display driver semiconductor testing and assembly was 75% in 2015 and 77% in 2016. In addition, our average capacity utilization rate for bumping was 67% in 2015 and 68% in
2016.

For each period of time selected, we derived the capacity utilization rate for our testing operations by dividing the total number
of hours of actual use of our facilities test equipment units by the maximum number of hours that these equipment units were capable of being used. The testing capacity utilization rate generally increases in correlation to increases in the
total volume of our customer orders, and generally decreases in correlation to decreases in the total volume of our customer orders.

For
each period of time selected, we derived the capacity utilization rate for our assembly operations by dividing the total number of units actually produced by our assembly facilities by the maximum number of units that these facilities are capable of
producing. The assembly capacity utilization rate generally increases in correlation to increases in the total volume of our customer orders, and generally decreases in correlation to decreases in the total volume of our customer orders.

Our gross revenue is generally the product of the total volume of our customer orders multiplied by the average selling price per deliverable
unit from our assembly or testing services, as the case may be. As a result, in a period where the average selling prices do not fluctuate significantly, increases or decreases in our capacity utilization rates generally correlate to increases or
decreases in our gross revenue. Periods with significant increases in the average selling prices reduce the negative impact on our gross revenue from any decreases in our capacity utilization rates. Similarly, periods with significant decreases in
the average selling prices reduce the positive impact on our gross revenue from any increases in our capacity utilization rates.

The
Company has significant fixed costs in operating our assembly and test facilities. For this reason, decreases in our cost of goods sold during a period generally occur at a slower rate than decreases, during the same period, in our gross revenue due
to lower capacity utilization rates, lower average selling prices, or both. Also, as a result, our gross margin and profitability generally decrease in correlation to decreases in our capacity utilization rates, decreases in our average selling
prices, or both. Similarly, our gross margin and profitability generally increase in correlation to increases in our capacity utilization rates, increases in our average selling prices, or both. Due to the cyclical nature of the semiconductor
industry, customer orders may change significantly, causing fluctuation in our capacity utilization rate and average selling price.

Most
of our labor and overhead costs are denominated in NT dollars. However, we also incur costs of revenues and operating expenses associated with assembly and test services in several other currencies, including Japanese yen, US dollars and RMB. In
addition, a substantial portion of our capital expenditures, primarily for the purchase of assembly and test equipment, has been, and is expected to continue to be, denominated in Japanese yen with much of the remainder denominated in US dollars.



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The following table sets forth, for the periods indicated, our gross profit and our gross profit
margin as a percentage of revenue.



|                                                                           |  |                         |         |   |      |   |         |      |  |   |       |  
|-------------------------------------------------------------------------- |  | ----------------------- | ------- | - | ---- | - | ------- | ---- |  | - | ----- | -
|                                                                           |  | Year ended December 31, |        
|                                                                           |  | 2015                    |         |   | 2016 |   |         | 2016 | 
|                                                                           |  | NT$                     |         |   | NT$  |   |         | US$  | 
|                                                                           |  | (in millions)           |        
|Gross profit:                                                              |  |                         |         |   |      |   |         |      |  |   |       |  
|Testing                                                                    |  |                         |         |   |      |   |         |      |  |   |       |  
|Memory                                                                     |  | $                       | 1,303.2 |   |      | $ | 1,224.9 |      |  | $ | 37.8  |  
|Logic/mixed-signal                                                         |  |                         | 284.5   |   |      |   | 465.0   |      |  |   | 14.4  |  
|Total testing                                                              |  |                         | 1,587.7 |   |      |   | 1,689.9 |      |  |   | 52.2  |  
|Assembly                                                                   |  |                         |         |   |      |   |         |      |  |   |       |  
|Memory                                                                     |  |                         | 312.5   |   |      |   | 346.2   |      |  |   | 10.7  |  
|Logic/mixed-signal                                                         |  |                         | 251.2   |   |      |   | 315.6   |      |  |   | 9.7   |  
|Total assembly                                                             |  |                         | 563.7   |   |      |   | 661.8   |      |  |   | 20.4  |  
|LCD and other flat-panel display driver semiconductor testing and assembly |  |                         | 1,673.8 |   |      |   | 1,311.3 |      |  |   | 40.5  |  
|Bumping                                                                    |  |                         | 326.4   |   |      |   | (20.9   | )    |  |   | (0.7  | )
|                                                                           |  |                         |         |   |      |   |         |      |  |   |       |  
|Total                                                                      |  | $                       | 4,151.6 |   |      | $ | 3,642.1 |      |  | $ | 112.4 |  
|                                                                           |  |                         |         |   |      |   |         |      |  |   |       |  
|Gross profit margin:                                                       |  |                         |         |   |      |   |         |      |  |   |       |  
|Testing                                                                    |  |                         |         |   |      |   |         |      |  |   |       |  
|Memory                                                                     |  |                         | 34.4    | % |      |   | 33.8    | %    |  |   | 33.8  | %
|Logic/mixed-signal                                                         |  |                         | 37.6    |   |      |   | 48.1    |      |  |   | 48.1  |  
|Total testing                                                              |  |                         | 34.9    |   |      |   | 36.8    |      |  |   | 36.8  |  
|Assembly                                                                   |  |                         |         |   |      |   |         |      |  |   |       |  
|Memory                                                                     |  |                         | 6.3     |   |      |   | 6.6     |      |  |   | 6.6   |  
|Logic/mixed-signal                                                         |  |                         | 44.9    |   |      |   | 52.9    |      |  |   | 52.9  |  
|Total assembly                                                             |  |                         | 10.2    |   |      |   | 11.3    |      |  |   | 11.3  |  
|LCD and other flat-panel display driver semiconductor testing and assembly |  |                         | 31.0    |   |      |   | 26.7    |      |  |   | 26.7  |  
|Bumping                                                                    |  |                         | 9.7     |   |      |   | (0.7    | )    |  |   | (0.7  | )
|Overall                                                                    |  |                         | 22.0    | % |      |   | 19.8    | %    |  |   | 19.8  | %

Operating Expenses

Research and Development

Research and development expenses consist primarily of personnel expenses, expenditures to qualify our services for specific customers and
other consulting fees and certification fees paid to third parties. Research and development expenses are recognized as they are incurred. We currently expect that research and development expenses will increase in the future as we continue to
explore new technologies and service offerings. We also expect to hire additional employees in our research and development department.

Sales and Marketing

Sales and marketing expenses consist primarily of shipping and handling expenses incurred in delivering products to our customers
designated locations, advertising, corporate communications and other marketing expenses, salary expenses for sales and marketing personnel, sales commission, professional service fees, bad debt provision and service support expenses.

Administrative and General

Administrative and general expenses consist of salaries and related expenses for executive, finance and accounting, and management information
systems personnel, professional service fees, and other corporate expenses. They also include stock-based compensation that is expensed using the fair value method. See Item 6. Directors, Senior Management and EmployeesRestricted
Shares for more information concerning our plan of restricted shares. We expect administrative and general expenses to increase in absolute terms as we add personnel and incur additional expenses related to the growth of our business and
operations.



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Other Non-Operating Income (Expenses), Net

Our other non-operating income principally consists of interest income, foreign exchange gains and gain
on disposal of financial assets at fair value through profit or loss.

Our other non-operating
expenses principally consist of impairment of available-for-sale investments and foreign exchange losses.

Non-controlling Interests

Non-controlling interests represent the portion of our income that is attributable to the shareholding
in our consolidated subsidiaries that we do not own. See Item 4. Information on the CompanyOur Structure and History for information concerning our consolidated subsidiaries.

Profit for the Year Attributable to Equity Holders of the Company

Our profit for the year attributable to equity holders of the Company were NT$2,130 million and NT$1,707 million (US$53 million) in 2015 and 2016,
respectively. We believe our future results will be dependent upon the overall economic conditions in the markets we serve, the competitive environment in which we operate, and our ability to successfully implement our strategy, among other things.
For additional information on factors that will affect our future performance, see Item 3. Key InformationRisk Factors.

Results of
Operations

The following table presents selected operating data as a percentage of revenue for the periods indicated:



|                                                     |  |                         |       |      |  |  |       |  
|---------------------------------------------------- |  | ----------------------- | ----- | ---- |  |  | ----- | -
|                                                     |  | Year ended December 31,
|                                                     |  | 2015                    |       | 2016
|Revenue                                              |  |                         | 100.0 | %    |  |  | 100.0 | %
|Cost of revenue                                      |  |                         | (78.0 | )    |  |  | (80.2 | )
|                                                     |  |                         |       |      |  |  |       |  
|Gross profit                                         |  |                         | 22.0  |      |  |  | 19.8  |  
|Research and development expenses                    |  |                         | (3.9  | )    |  |  | (4.5  | )
|Sales and marketing expenses                         |  |                         | (0.5  | )    |  |  | (0.4  | )
|Administrative and general expenses                  |  |                         | (4.1  | )    |  |  | (4.5  | )
|Other operating income (expenses), net               |  |                         | 0.6   |      |  |  | 0.5   |  
|                                                     |  |                         |       |      |  |  |       |  
|Operating profit                                     |  |                         | 14.1  |      |  |  | 10.9  |  
|Finance costs                                        |  |                         | (0.8  | )    |  |  | (1.0  | )
|Other non-operating income (expenses), net           |  |                         | 1.8   |      |  |  | (0.6  | )
|                                                     |  |                         |       |      |  |  |       |  
|Profit before tax                                    |  |                         | 15.1  |      |  |  | 9.3   |  
|Income tax expense                                   |  |                         | (4.9  | )    |  |  | (1.0  | )
|                                                     |  |                         |       |      |  |  |       |  
|Income from the continuing operations                |  |                         | 10.2  |      |  |  | 8.3   |  
|Income (loss) from the discontinued operations       |  |                         | (0.2  | )    |  |  | (0.7  | )
|                                                     |  |                         |       |      |  |  |       |  
|Profit for the year                                  |  |                         | 10.0  | %    |  |  | 7.6   | %
|                                                     |  |                         |       |      |  |  |       |  
|Attributable to:                                     |  |                         |       |      |  |  |       |  
|Equity holder of the Companycontinuing operations   |  |                         | 11.5  | %    |  |  | 9.9   | %
|Equity holder of the Companydiscontinued operations |  |                         | (0.2  | )    |  |  | (0.6  | )
|Predecessors interests                              |  |                         | (1.5  | )    |  |  | (1.7  | )
|Non-controlling interests                            |  |                         | 0.2   |      |  |  |      |  
|                                                     |  |                         |       |      |  |  |       |  
|                                                     |  |                         | 10.0  | %    |  |  | 7.6   | %
|                                                     |  |                         |       |      |  |  |       |  

Year Ended December 31, 2016 Compared to Year Ended December 31, 2015

Revenue. Our revenue decreased by NT$449 million, or 2%, to NT$18,388 million (US$568 million) in 2016 from
NT$18,837 million in 2015.



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Revenue from test services for memory and logic/mixed-signal semiconductors increased by
NT$41 million, or 1%, to NT$4,587 million (US$142 million) in 2016 from NT$4,546 million in 2015. Revenue from test services for memory semiconductors decreased by NT$170 million, or 5%, to NT$3,620 million (US$112 million)
in 2016 from NT$3,790 million in 2015, principally due to the decreased average selling price. Revenue for test services for logic/mixed-signal semiconductors increased by NT$211 million, or 28%, to NT$967 million (US$30 million) in
2016 from NT$756 million in 2015, principally due to the increased capacity utilization rate resulting from the higher customer demand.

Revenue from assembly services for memory and logic/mixed-signal semiconductors increased by NT$355 million, or 6%, to
NT$5,881 million (US$182 million) in 2016 from NT$5,526 million in 2015. Revenue from assembly services for memory semiconductors increased by NT$318 million, or 6%, to NT$5,284 million (US$163 million) in 2016 from
NT$4,966 million in 2015, primarily as a result of the increased average selling price and capacity utilization rate resulting from the higher customer demand. Revenue from assembly services for logic/mixed-signal semiconductors increased by
NT$37 million, or 7%, to NT$597 million (US$18 million) in 2016 from NT$560 million in 2015, primarily as a result of the increased average selling price and capacity utilization rate resulting from the higher customer demand.

Revenue from LCD and other flat-panel display driver semiconductor assembly and test services decreased by NT$475 million, or 9%, to
NT$4,921 million (US$152 million) in 2016 from NT$5,396 million in 2015. This decrease was principally as a result of a decrease in average selling price and customer demand for LCD and other flat-panel display products.

Revenue from bumping services decreased by NT$370 million, or 11%, to NT$2,999 million (US$92 million) in 2016 from
NT$3,369 million in 2015. This decrease was principally due to the decreased average selling price and decrease in customer demand.

See  Cost of Revenue and Gross Profit for more information concerning our assembly and test capacity utilization rates
and the impact on our revenue, gross profit and profitability from any increases or decreases in our capacity utilization rate.

Cost
of Revenue and Gross Profit. Cost of revenue increased by NT$60 million, or 1%, to NT$14,746 million (US$455 million) in 2016 from NT$14,686 million in 2015, primarily due to the increase of direct material expenses, depreciation
expenses and inventory supplies of NT$75 million (US$2 million), NT$187 million (US$6 million) and NT$54 million (US$2 million), respectively, and partially offset by the decrease of direct labor expenses and utilities expenses of
NT$134 million (US$4 million) and NT$107 million (US$3 million).

Our gross profit decreased to NT$3,642 million (US$112
million) in 2016 from NT$4,152 million in 2015. Our gross margin was 19.8% in 2016, compared to 22.0% in 2015.

Our gross profit
margin for test services for memory and logic/mixed-signal semiconductors increased to 36.8% in 2016 from 34.9% in 2015, primarily due to the increased sales of higher margin logic/mixed-signal semiconductors test services.

Our gross profit margin for assembly services for memory and logic/mixed-signal semiconductors increased to 11.3% in 2016 from 10.2% in 2015,
primarily due to the increased sales of higher margin memory semiconductors assembly services.

Our gross profit margin for LCD and other
flat-panel display driver semiconductor assembly and test services decreased to 26.7% in 2016 from 31.0% in 2015, primarily due to the decrease in revenue resulted from the decreased average selling price and customer demand.

Our gross profit margin for bumping services decreased to -0.7% in 2016 from 9.7% in 2015, primarily due to the decrease in revenue resulted
from the decreased average selling price and customer demand.

See  Cost of Revenue and Gross Profit for more
information concerning our assembly and test capacity utilization rates and the impact on our revenue, gross profit and profitability from any increases or decreases in our capacity utilization rates.

Research and Development Expenses. Research and development expenses increased by NT$91 million, or 12%, to NT$839 million
(US$26 million) in 2016 from NT$748 million in 2015, primarily due to the increase of employee benefit costs resulted from the increase of employees.

Sales and Marketing Expenses. Sales and marketing expenses decreased by NT$17 million, or 19%, to NT$73 million (US$2
million) in 2016 from NT$90 million in 2015, primarily due to the decrease of commissions expenses resulted from the decrease of the targeted customer demand.



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Administrative and General Expenses. Administrative and general expenses increased by
NT$52 million, or 7%, to NT$822 million (US$25 million) in 2016 from NT$770 million in 2015, primarily due to the increase of professional service fee resulted from the Merger.

Other Operating Income (Expenses), Net. Other operating income decreased by NT$15 million, or 14%, to NT$90 million (US$3
million) in 2016 from NT$105 million in 2015, primarily due to the reversal of accrued compensation fee of NT$15 million in 2015.

Finance Costs. Finance costs increased by NT$36 million, or 25%, to NT$179 million (US$6 million) in 2016 from
NT$143 million in 2015. This change was primarily due to the increase of interest expense and financial cost of bank loans by NT$18 million (US$556 thousand) and NT$19 million (US$586 thousand).

Other Non-Operating Income (Expenses), Net. Other
non-operating income decreased by NT$459 million, or 135%, to other non-operating expense of NT$119 million (US$4 million) in 2016 from other non-operating income of NT$340 million in 2015. This change was primarily due to the increase of foreign exchange losses by NT$437 million (US$13 million).

Profit before Tax. As a result of the foregoing, profit before tax decreased by 40% to NT$1,700 million (US$53 million) in 2016
from NT$2,846 million in 2015.

Income Tax. We had an income tax expense of NT$177 million (US$6 million) in 2016
compared to income tax expense of NT$936 million for 2015, primarily due to the decrease of profit before tax and the tax benefit of NT$175 million (US$5 million) from reversing the additional 10% tax on respective unappropriated earnings
due to the capital reorganization.

Profit for the Year Attributable to Non-controlling
Interests. The profits of ChipMOS BVI, ChipMOS Shanghai and ThaiLin attributable to non-controlling interests amounted to nil in 2016, compared to NT$37 million in 2015.

Profit for the Year Attributable to Equity Holders of the Company. As a result of the foregoing, the profit for the year attributable
to the Company was NT$1,707 million (US$53 million) in 2016, compared to NT$2,130 million in 2015.

Year Ended December 31,
2015 Compared to Year Ended December 31, 2014

Revenue. Our revenue decreased by NT$1,992 million, or 10%, to
NT$18,837 million in 2015 from NT$20,829 million in 2014.

Revenue from test services for memory and logic/mixed-signal
semiconductors decreased by NT$255 million, or 5%, to NT$4,546 million in 2015 from NT$4,801 million in 2014. Revenue from test services for memory semiconductors decreased by NT$373 million, or 9%, to NT$3,790 million in
2015 from NT$4,163 million in 2014, principally due to the decreased capacity utilization rate resulting from the lower customer demand. Revenue for test services for logic/mixed-signal semiconductors increased by NT$118 million, or 19%,
to NT$756 million in 2015 from NT$638 million in 2014, principally due to the increased capacity utilization rate resulting from the higher customer demand.

Revenue from assembly services for memory and logic/mixed-signal semiconductors decreased by NT$1,287 million, or 19%, to
NT$5,526 million in 2015 from NT$6,813 million in 2014. Revenue from assembly services for memory semiconductors decreased by NT$1,231 million, or 20%, to NT$4,966 million in 2015 from NT$6,197 million in 2014, primarily as
a result of the decreased average selling price and capacity utilization rate resulting from the lower customer demand. Revenue from assembly services for logic/mixed-signal semiconductors decreased by NT$56 million, or 9%, to
NT$560 million in 2015 from NT$616 million in 2014, principally due to the decreased capacity utilization rate as the result of the lower customer demand.

Revenue from LCD and other flat-panel display driver semiconductor assembly and test services increased by NT$225 million, or 4%, to
NT$5,396 million in 2015 from NT$5,171 million in 2014. This increase was principally as a result of an increase in customer demand for LCD and other flat-panel display products in 2015.

Revenue from bumping services decreased by NT$675 million, or 17%, to NT$3,369 million in 2015 from NT$4,044 million in 2014.
This decrease was principally due to the decreased average selling price and capacity utilization rate resulting from the lower customer demand.

See  Cost of Revenue and Gross Profit for more information concerning our assembly and test capacity utilization rates
and the impact on our revenue, gross profit and profitability from any increases or decreases in our capacity utilization rate.



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Cost of Revenue and Gross Profit. Cost of revenue decreased by NT$1,031 million, or
7%, to NT$14,686 million in 2015 from NT$15,717 million in 2014, primarily due to the decrease of direct material expenses, direct labor expenses and inventory supplies of NT$1,035 million, NT$16 million and NT$49 million,
respectively, and partially offset by the increase of depreciation expenses of NT$108 million.

Our gross profit decreased to
NT$4,152 million in 2015 from NT$5,112 million in 2014. Our gross margin was 22.0% in 2015, compared to 24.5% in 2014.

Our
gross profit margin for test services for memory and logic/mixed-signal semiconductors increased to 34.9% in 2015 from 33.6% in 2014, primarily due to the increased sales of higher margin logic/mixed-signal semiconductors test services.

Our gross profit margin for assembly services for memory and logic/mixed-signal semiconductors decreased to 10.2% in 2015 from 21.2% in 2014,
primarily due to the decrease in sales revenue which decreased capacity utilization rate for memory semiconductors assembly services.

Our
gross profit margin for LCD and other flat-panel display driver semiconductor assembly and test services increased to 31.0% in 2015 from 25.1% in 2014, primarily due to the change in product mix.

Our gross profit margin for bumping services decreased to 9.7% in 2015 from 18.7% in 2014, primarily due to the decrease in sales revenue
which decreased capacity utilization rate.

See  Cost of Revenue and Gross Profit for more information concerning
our assembly and test capacity utilization rates and the impact on our revenue, gross profit and profitability from any increases or decreases in our capacity utilization rates.

Research and Development Expenses. Research and development expenses increased by NT$69 million, or 10%, to NT$748 million in
2015 from NT$679 million in 2014, primarily due to the increase of employee benefit costs.

Sales and Marketing Expenses.
Sales and marketing expenses decreased by NT$6 million, or 6%, to NT$90 million in 2015 from NT$96 million in 2014, primarily due to the decrease of freight-out expense, commissions expenses and
entertainment expenses.

Administrative and General Expenses. Administrative and general expenses increased by NT$57 million,
or 8%, to NT$770 million in 2015 from NT$713 million in 2014, primarily due to the increase of professional service fee.

Other Operating Income (Expenses), net. Other operating income increased by NT$79 million, or 301%, to NT$105 million in 2015
from NT$26 million in 2014, primarily due to the decrease of accrued compensation of NT$127 million and partially offset by the decrease of gain on disposal of property, plant and equipment of NT$39 million and compensation of
insurance of NT$12 million.

Finance Costs. Finance costs increased by NT$9 million, or 7%, to NT$143 million in
2015 from NT$134 million in 2014. This change was primarily due to the increase of financial cost of bank loans by NT$8 million.

Other Non-Operating Income (Expenses), Net. Other
non-operating income decreased by NT$846 million, or 71%, to NT$340 million in 2015 from NT$1,186 million in 2014. This change was primarily due to the decrease of gain on disposal of available-for-sale financial assets by NT$813 million, foreign exchange gains by NT$56 million and impairment of available-for-sale financial assets by NT$9 million and partially offset by the increase of share of profit of associates by NT$31 million.

Profit before Tax. As a result of the foregoing, profit before tax decreased by 39% to NT$2,846 million in 2015 from
NT$4,703 million in 2014.

Income Tax. We had an income tax expense of NT$936 million in 2015 compared to income tax
expense of NT$1,036 million for 2014, primarily due to the decrease of profit before tax.

Profit for the Year Attributable to Non-controlling Interests. The profits of ChipMOS BVI, ChipMOS Shanghai and ThaiLin attributable to non-controlling interests amounted to NT$37 million in 2015,
compared to NT$535 million in 2014.

Profit for the Year Attributable to Equity Holders of the Company. As a result of the
foregoing, the profit for the year attributable to the Company was NT$2,130 million in 2015, compared to NT$3,356 million in 2014.



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Critical Accounting Policies

We prepare our consolidated financial statements in conformity with the IFRSs. Under the IFRSs, we are required to make certain estimates,
judgments and assumptions about matters that are highly uncertain at the time those estimates, judgments and assumptions are made, and our financial condition or results of operations may be materially impacted if we use different but nonetheless
reasonable estimates, judgments or assumptions about those matters for that particular period or if we change our estimates, judgments or assumptions from period to period.

Under the IFRSs, the significant accounting policies are set forth in Note 2 to our consolidated financial statements contained in this Annual
Report on Form 20-F. The significant accounting policies that require us to make estimates and assumptions about the effect of matters that are inherently uncertain are discussed below.

Impairment of receivables

Receivables are assessed for indicators of impairment at the end of each reporting period, and are impaired where there is objective evidence
that, as a result of one or more events that occurred after the initial recognition of the receivables, the estimated future cash flows of the receivables have been impacted. For the customer that we have reason to believe may have an inability to
meet its financial obligations, we conduct an individual examination based on the available facts and circumstances to record a specific reserve. For the customers other than this, we also provide a reserve for doubtful receivables based upon the
available facts and circumstances, historical collection and write-off experiences of all trade and other receivables. As of December 31, 2016, we provided nil for the first type of reserve and
NT$87 thousand (US$3 thousand) for the second type of reserve.

The allowance we set aside for doubtful receivables was nil as of
December 31, 2015 and NT$87 thousand (US$3 thousand) as of December 31, 2016. The allowances as of December 31, 2015 and 2016 represented nil and 0.002%, respectively, of our accounts receivable as of those dates. The reversal
and allowance in 2015 and 2016 reflected an enlargement and reduction of NT$10 thousand and NT$87 thousand (US$3 thousand), respectively, in accounts receivable that decreased and increased the sales and marketing expenses. If we were to
change our estimate of the allowance for doubtful receivables either upward or downward 10%, our operating profit would be affected by NT$44 thousand (US$1 thousand) for 2016.

An increase in our allowance for doubtful receivables would increase our sales and marketing expenses, and decrease our current assets.

Depreciation of property, plant and equipment

Property, plant and equipment are depreciated on a straight-line basis over their estimated economic useful lives. The determination of the
useful lives involves managements estimation. The Group assesses annually the useful life of the property, plant and equipment and if the expectation differs from the original estimate, such a difference may impact the depreciation in the year
when the estimate is changed and the future period.

Deferred Tax Assets

Deferred tax assets are recognized for unused tax losses and tax credit to the extent that it is probable that taxable profit will be available
against which the losses can be utilized. Significant management judgement is required to determine that amount of deferred tax assets that can be recognized, based upon the likely timing and the level of future taxable profits together with future
tax planning strategies.

In 2015 and 2016, the Group has NT$935 million and NT$936 million (US$29 million) of tax losses
carried forward, respectively. These losses may not be used to offset taxable income elsewhere in the Group. We neither have any taxable temporary difference nor any tax planning opportunities available that could partly support the recognition of
these losses as deferred tax assets. On this basis, the Group has determined that it cannot recognize deferred tax assets on the tax losses carried forward.

As of December 31, 2015 and 2016, the ending balances for deferred tax assets were NT$166 million and NT$250 million (US$8
million), respectively.



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Deferred Tax Liabilities

Deferred tax liabilities are recognized for all taxable temporary differences, except when the deferred tax liability arises from the initial
recognition of goodwill or an asset or liability in a transaction that is not a business combination and, at the time of the transaction, affects neither the accounting profit nor taxable profit or loss; and in respect of taxable temporary
differences associated with investments in subsidiaries, associates and joint ventures, when the timing of the reversal of the temporary differences can be controlled and it is probable that the temporary differences will not reverse in the
foreseeable future.

As of December 31, 2015 and 2016, the ending balances for deferred tax liabilities were nil and
NT$93 million (US$3 million), respectively.

Impairment of Non-Financial Assets

Impairment exists when the carrying value of an asset or cash generating unit exceeds its recoverable amount, which is the higher
of its fair value less costs of disposal and its value in use. The fair value less costs of disposal calculation is based on available data from binding sales transactions, conducted at arms length, for similar assets or observable market
prices less incremental costs for disposing of the asset. The value in use calculation is based on a discounted cash flow (DCF) model. The cash flows are derived from the budget for the next five years and do not include restructuring
activities that the Group is not yet committed to or significant future investments that will enhance the assets performance of the cash generating unit being tested. The recoverable amount is sensitive to the discount rate used for the DCF
model as well as the expected future cash-inflows and the growth rate used for the extrapolation purposes.

In determining whether any
impairment charges were necessary for the property, plant and equipment and other non-current assets for the year ended December 31, 2016, we assumed that the semiconductor industry will continue its
growth in the next few years. Based upon our assumption of growth in the semiconductor industry and our other assumptions in our internal budget, for the purpose of determining whether any impairment charges are necessary for the year ended
December 31, 2016, an impairment loss of NT$8 million (US$247 thousand) and nil were recognized with respect to property, plant and equipment and other non-current assets.

While we believe that our estimates of future cash flows are reasonable, any changes in these estimates based on changed economic conditions
or business strategies could result in significant impairment changes in future periods.

Defined Benefit Plans

The cost of the defined benefit pension plan and post-employment benefits and the present value of the pension obligation are determined using
actuarial valuations. An actuarial valuation involves making various assumptions that may differ from actual developments in the future. These include the determination of the discount rate, future salary increases, mortality rates and future
pension increases. Due to the complexities involved in the valuation and its long-term nature, a defined benefit obligation is highly sensitive to changes in these assumptions. All assumptions are reviewed at each reporting date. Further details are
disclosed in Note 24 to our consolidated financial statements contained in this Annual Report on Form 20-F.

Share-Based Payments

The Group measures the cost of equity-settled transactions with employees by reference to the fair value of the equity instruments at the date
at which they are granted. Estimating fair value for share-based payments requires determining the most appropriate valuation model for a grant of equity instruments, which is dependent on the terms and conditions of the grant. This also requires
determining the most appropriate inputs to the valuation model including the expected life of the option, volatility and dividend yield and making assumptions about them. The assumptions and models used for estimating fair value for share-based
payments are disclosed in Note 37 to our consolidated financial statements contained in this Annual Report on Form 20-F. In 2016, the share-based compensation expense amounted to NT$356 million (US$11
million), which was taken into account when determining our profit for the year and shareholders equity for the year ended December 31, 2016.

Senior Managements Discussion with the Audit Committee

Our management has discussed the critical accounting policies described above with the audit committee of our board of directors and the audit
committee has reviewed our disclosure relating to the critical accounting policies in this section.



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Impact of Foreign Currency Fluctuations and Governmental or Political Factors

For a discussion of the impact of foreign currency fluctuations and governmental economics, fiscal, monetary or political policies or factors
that may directly or indirect impact us, see Item 3. Key InformationRisks FactorsRisks Relating to Our BusinessFluctuations in exchange rates could result in foreign exchange losses and Item 3. Key
InformationRisks FactorsRisks Relating to Countries in Which We Conduct Operations.

Liquidity and Capital Resources

Since our inception, we have funded our operations and growth primarily through the issuance of equity, a mixture of short- and
long-term loans and cash flow from operations. As of December 31, 2016, our primary sources of liquidity were cash and cash equivalents of NT$7,571 million (US$234 million), short-term loans of NT$5,699 million (US$176 million)
available to us in undrawn facilities, which have expired or will expire from March 2017 to November 2017, and long-term loans of NT$2,400 million (US$74 million) available to us in undrawn facilities, which will expire in June 2021. We have
taken the following steps to meet our liquidity, capital spending and other capital needs.

In May 2016, the Company obtained a syndicated
loan facility from banks in Taiwan in the amount of NT$13,200 million for a term of five years, which was used to refinance the existing syndicated loan in May 2016, and to suffice our working capital. See Item 3. Key
InformationRisk FactorsRisks Relating to Our BusinessOur significant amount of indebtedness and interest expense will limit our cash flow and could adversely affect our operations for additional information.

Liquidity

The
following table sets forth our cash flows with respect to operating activities, investing activities, financing activities and the effect of exchange rate changes on cash for the periods indicated.



|                                          |  |                         |          |   |      |   |          |      |  |   |        |  
|----------------------------------------- |  | ----------------------- | -------- | - | ---- | - | -------- | ---- |  | - | ------ | -
|                                          |  | Year ended December 31, |         
|                                          |  | 2015                    |          |   | 2016 |   |          | 2016 | 
|                                          |  | NT$                     |          |   | NT$  |   |          | US$  | 
|                                          |  | (in millions)           |         
|Net cash generated from (used in):        |  |                         |          |   |      |   |          |      |  |   |        |  
|Operating activities                      |  | $                       | 5,395.8  |   |      | $ | 3,548.7  |      |  | $ | 109.5  |  
|Investing activities                      |  |                         | (4,504.2 | ) |      |   | (4,417.4 | )    |  |   | (136.3 | )
|Financing activities                      |  |                         | (4,028.9 | ) |      |   | (3,223.9 | )    |  |   | (99.5  | )
|                                          |  |                         |          |   |      |   |          |      |  |   |        |  
|Net increase in cash and cash equivalents |  | $                       | (3,137.3 | ) |      | $ | (4,092.6 | )    |  | $ | (126.3 | )
|                                          |  |                         |          |   |      |   |          |      |  |   |        |  

Net Cash Generated from Operating Activities

Net cash generated from operating activities totaled NT$3,549 million (US$110 million) in 2016, compared to NT$5,396 million in 2015.
Net cash generated from operating activities was positively impacted by a profit before tax of NT$1,578 million (US$49 million) with depreciation expenses of NT$3,228 million (US$100 million) in 2016 compared to a profit before tax of
NT$2,812 million with depreciation expenses of NT$3,019 million in 2015. The decrease in net cash generated from operating activities was primarily due to an increase of accounts and notes receivable of NT$480 million (US$15 million)
in 2016 compared to a decrease of accounts and notes receivable of NT$986 million in 2015 and partially offset by the payment of income tax of NT$499 million (US$15 million) in 2016, compared to NT$1,412 million in 2015.

Net cash generated from operating activities totaled NT$5,396 million in 2015, compared to NT$5,600 million in 2014. Net cash
generated from operating activities was positively impacted by a profit before tax of NT$2,812 million with depreciation expenses of NT$3,019 million in 2015 compared to a profit before tax of NT$4,785 million with depreciation
expenses of NT$2,906 million in 2014. The decrease in net cash generated from operating activities was primarily due to the payment of income tax of NT$1,412 million in 2015, compared to NT$387 million in 2014 and a decrease of
account payables of NT$366 million in 2015 compared to an increase of NT$118 million in 2014 and partially offset by a decrease of accounts and notes receivable of NT$986 million in 2015 compared to an increase of accounts and notes
receivable of NT$762 million in 2014 and a decrease of inventories of NT$37 million in 2015 compared to an increase of NT$185 million in 2014.



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Net Cash Used in Investing Activities

Net cash used in investing activities totaled NT$4,417 million (US$136 million) in 2016, compared to NT$4,504 million in 2015. The
decrease in net cash used in investing activities primarily resulted from the decrease in acquisition of investments in associates which was nil in 2016, compared to NT$116 million in 2015 and partially offset by the increase in capital
expenditures which was NT$4,471 million (US$138 million) in 2016, compared to NT$4,428 million in 2015.

Net cash used in
investing activities totaled NT$4,504 million in 2015, compared to NT$3,325 million in 2014. The increase in net cash used in investing activities primarily resulted from the increase in capital expenditures which was NT$4,428 million
in 2015, compared to NT$3,119 million in 2014 and the increase in acquisition of investments in associates which was NT$116 million in 2015 compared to nil in 2014 and partially offset by a decrease in acquisition of available-for-sale financial assets which was nil in 2015 compared to NT$209 million in 2014.

Net Cash Used in Financing Activities

Net cash used in financing activities totaled NT$3,224 million (US$100 million) in 2016, compared to net cash used in financing activities
totaled NT$4,029 million in 2015. The decrease in net cash used in financing activities was primarily the result of the net proceeds of long-term loans of NT$4,359 million (US$135 million) in 2016, compared to net proceeds of long-term
loans of NT$492 million in 2015 and partially offset by the net payment of capital reorganization of NT$3,342 million (US$103 million) in 2016, compared to nil in 2015.

Net cash used in financing activities totaled NT$4,029 million in 2015, compared to net cash used in financing activities totaled
NT$419 million in 2014. The increase in net cash used in financing activities was primarily the result of the net proceeds of long-term loans of NT$492 million in 2015, compared to net payment of long-term loans of NT$696 million in
2014, net payment of short-term loans of NT$619 million in 2015, compared to net proceeds of short-term loans of NT$982 million in 2014 and the increase of the acquisition of the interest of a subsidiary of NT$1,444 million in 2015
compared to nil in 2014.

Capital Resources

Capital expenditures in 2015 were funded by NT$5,396 million in cash flows from operating activities. Capital expenditures in 2016 were
funded by NT$3,549 million (US$110 million) in cash flows from operating activities.

Steps taken with respect to generating
additional working capital and to saving cash are further discussed under Liquidity and Capital Resources.

Loans

As of December 31, 2016, we had long-term loans of NT$10,750 million (US$332 million) (including current portions of
such long-term loans of NT$1,062 million (US$33 million). As of December 31, 2016, NT$8,300 million (US$256 million) of our long-term loans were collateralized by land and buildings and equipment. Our long-term loans were floating
rate loans with a rate of 1.7895% as of December 31, 2016, repayable semi-annually from December 2017 to June 2021.

We had entered
into the following syndicated loan and long-term loans facilities:



| |  |  | On July 14, 2011, we obtained a syndicated loan facility from banks in Taiwan in the amount of NT$8,410 million separated into two parts with its respective term of four years and five years. This loan
facility is secured by existing land and buildings and equipment. This loan facility was fully drawn in 2011 and fully repaid in July 2014.
| | - |  | -----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------



| |  |  | On May 24, 2013, we obtained a bank loan facility from a bank in Taiwan in the amount of NT$400 million for a term of two years. This loan facility is unsecured credit for us, drawn amount limited to
NT$600 million in total long-term loan and short-term loan drawn. This loan facility has expired in May 2014.
| | - |  | ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------



| |  |  | On July 2, 2014, we obtained a syndicated loan facility from banks in Taiwan in the amount of NT$10,000 million in a term of five years. This loan facility is secured by existing land and buildings and
equipment. This loan facility was fully drawn in 2016 and fully repaid in June 2016.
| | - |  | ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------



| |  |  | On May 16, 2016, we obtained a syndicated loan from banks in Taiwan in the amount of NT$13,200 million (US$407 million) with a term of five years. This loan facility is secured by existing land and buildings
and equipment. As of the date of this Annual Report on Form 20-F, this loan facility was drawn of NT$10,800 million (US$333 million).
| | - |  | -----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------



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Certain of our loan agreements and indentures contain covenants that, if violated, could result
in the obligations under these agreements becoming due prior to the originally scheduled maturity dates. These covenants include financial covenants that require us to:



| |  |  | maintain current assets to current liabilities ratio above 1:1;
| | - |  | ---------------------------------------------------------------



| |  |  | maintain total indebtedness to shareholders equity ratio below 1.4:1;
| | - |  | ----------------------------------------------------------------------



| |  |  | maintain total indebtedness to shareholders equity (excluding intangible assets) ratio below 1.5:1;
| | - |  | ----------------------------------------------------------------------------------------------------



| |  |  | maintain the profit before interest, taxes, depreciation and amortization to gross interest expense ratio above 2.5:1.
| | - |  | ----------------------------------------------------------------------------------------------------------------------

We were in compliance with the financial ratio requirement for 2013 to 2016.

In addition, a substantial portion of our short-term and long-term borrowings may be subject to repayment upon a material deterioration of our
financial condition, results of operations or our ability to perform under the loan agreements.

Set forth below are the maturities of our
long-term bank loans outstanding as of December 31, 2016:



|                        |  |                        |        |  |     |   |     | 
|----------------------- |  | ---------------------- | ------ |  | --- | - | --- | 
|                        |  | As ofDecember 31, 2016 |       
|                        |  | NT$                    |        |  | US$ |  
|                        |  | (in millions)          |       
|During 2017             |  | $                      | 1,062  |  |     | $ | 33  | 
|During 2018             |  |                        | 2,151  |  |     |   | 66  | 
|During 2019             |  |                        | 2,151  |  |     |   | 66  | 
|During 2020             |  |                        | 3,500  |  |     |   | 108 | 
|During 2021 and onwards |  |                        | 1,886  |  |     |   | 59  | 
|                        |  |                        |        |  |     |   |     | 
|                        |  | $                      | 10,750 |  |     | $ | 332 | 
|                        |  |                        |        |  |     |   |     | 

As of December 31, 2016, certain of our property, plant and equipment and restricted short-term deposits
with an aggregate net book value of NT$8,021 million (US$248 million) and NT$71 million (US$2 million), respectively, were pledged as collateral mainly for long-term bank loans and leases.

Our unused credit lines for short-term loans, as of December 31, 2016, totaled NT$5,699 million (US$176 million), which have expired
or will expire from March 2017 to November 2017. As of December 31, 2016, our unused long-term credit facilities totaled NT$2,400 million (US$74 million) which will expire in June 2021.

As of December 31, 2016, we had no short-term loan outstanding.

We believe our current cash and cash equivalents, cash flows from operations and available credit facilities will be sufficient to meet our
capital spending, commitments and other capital needs through the end of 2017. There can be no assurance regarding these matters, however, considering prevailing global economic conditions which continue to have a negative impact on our ability to
accurately forecast our revenues, results of operations and cash position. See Item 3. Key InformationRisk FactorsRisks Relating to Our BusinessOur significant amount of indebtedness and interest expense will limit our cash
flow and could adversely affect our operations.

Research and development, patents and licenses

See the discussion under Item 4. Information on the CompanyResearch and Development.

Trend Information

See the discussion
under Item 4. Information on the CompanyOur Structure and History, Item 4. Information on the CompanyIndustry Background and Item 4. Information on the CompanyCompetition.

Off-Balance Sheet Arrangements

As of December 31, 2016, we had no off-balance sheet arrangements.



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Taxation

The Company is entitled to tax incentives generally available to Taiwan companies under the ROC Statute of Upgrading Industries, including tax
credits of 30% for certain research and development and employee training expenses (and, if the amount of expenditure exceeds the average amount of expenditure for the preceding two years, 50% of the excess amount may be credited against tax
payable) and from 5% to 7% for certain investments in automated equipment and technology. These tax credits must be utilized within five years from the date on which they were earned. In addition, except for the last year of the five-year period,
the aggregate tax reduction from these tax credits for any year cannot exceed 50% of that years income tax liability. In 2015 and 2016, tax credits resulted in tax savings for the Company of approximately nil and nil, respectively.

ThaiLin is also entitled to other tax incentives generally available to Taiwan companies under the ROC Statute of Upgrading Industries,
including tax credits of 5% to 7% for certain investment in automated equipment and technology. These tax credits must be utilized within five years from the date on which they were earned. In addition, except for the last year of the five-year
period, the aggregate tax reduction from these tax credits for any year cannot exceed 50% of such years income tax liability. In 2014 and 2015, tax credits resulted in tax savings for ThaiLin of approximately nil and nil, respectively.

Profit for the year generated by the Company and ThaiLin after January 1, 1998, which is not distributed in the year following the year
the profit was generated, is subject to additional income tax at the rate of 10%. If that profit for the year is subsequently distributed, the additional income tax previously paid on that income is credited against the amount of withholding tax
payable by shareholders, who are not individuals or entities of the Republic of China (for taxation purposes), in connection with the distribution.

The ROC government enacted the alternative minimum tax (AMT) Act that became effective on January 1, 2006. The AMT imposed
under the AMT Act is a supplemental tax which is payable if the income tax payable pursuant to the ROC Income Tax Act is below the minimum amount prescribed under the AMT Act. The taxable income for calculating the AMT includes most income that is
exempted from income tax under various legislations, such as tax holidays and investment tax credits. The AMT rate for business entities is 12%. However, the AMT Act grandfathered certain tax exemptions and tax credits granted prior to the enactment
of the AMT. The effects of the AMT on the tax expenses of the Company was reflected in 2016.

Tabular Disclosure of Contractual Obligations and
Commercial Commitments

The following table summarizes our contractual obligations and commitments as of December 31, 2016, or the
periods indicated:



|                                   |  |                        |        |  |                 |   |       |           |  |   |           |  |  |                  |       |  |  |   |     | 
|---------------------------------- |  | ---------------------- | ------ |  | --------------- | - | ----- | --------- |  | - | --------- |  |  | ---------------- | ----- |  |  | - | --- | 
|                                   |  | Payments Due by Period |       
|Contractual Obligations            |  | Total                  |        |  | Less than1 year |   |       | 2-3 years |  |   | 4-5 years |  |  | More than5 years |      
|                                   |  | NT$                    |        |  | NT$             |   |       | NT$       |  |   | NT$       |  |  | NT$              |      
|                                   |  | (in millions)          |       
|Long-term debts(1)                 |  | $                      | 11,383 |  |                 | $ | 1,272 |           |  | $ | 4,606     |  |  | $                | 5,505 |  |  | $ |    | 
|Operating leases                   |  |                        | 357    |  |                 |   | 40    |           |  |   | 75        |  |  |                  | 65    |  |  |   | 177 | 
|Capital commitments                |  |                        | 1,615  |  |                 |   | 1,615 |           |  |   |          |  |  |                  |      |  |  |   |    | 
|                                   |  |                        |        |  |                 |   |       |           |  |   |           |  |  |                  |       |  |  |   |     | 
|Total contractual cash obligations |  | $                      | 13,355 |  |                 | $ | 2,927 |           |  | $ | 4,681     |  |  | $                | 5,570 |  |  | $ | 177 | 
|                                   |  |                        |        |  |                 |   |       |           |  |   |           |  |  |                  |       |  |  |   |     | 



Note:

|(1) | Includes interest payments. Assumes level of relevant interest rates remains at December 31, 2016, level throughout all relevant periods.
|--- | -----------------------------------------------------------------------------------------------------------------------------------------

In addition to the commitments set forth in the contractual obligations table above, we have certain outstanding purchase orders relating to
the procurement of raw materials for which there are no definite delivery dates or deadlines.



|Item 6. | Directors, Senior Management and Employees
|------- | ------------------------------------------

Directors and Senior Management

The number of directors must not be less than nine and must not be greater than eleven according to our articles of incorporation. Our board of
directors currently comprises of nine directors (eight actually in office and one vacancy) who were elected by our shareholders. The term of office for directors is three years. Of our current eight directors, five are independent directors. The
chairman of our board is appointed among the members of our board.



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Pursuant to ROC Securities and Exchange Act, a public company is required to either establish an
audit committee or to have supervisors. A public companys audit committee should be composed of all of its independent directors but not less than three, of which at least one member should have accounting or related financial management
expertise, and the relevant provisions under the ROC Securities and Exchange Act, the ROC Company Act and other laws applicable to the supervisors are also applicable to the audit committee. We are also required to establish a compensation committee
which must be composed of qualified independent members as defined under local law. The Company has established its audit committee and compensation committee.

Pursuant to the ROC Company Act, a person may serve as our director in his or her personal capacity or as the representative of another legal
entity. A director who serves as the representative of a legal entity may be removed or replaced at any time at the discretion of that legal entity, and the replacement director may serve the remainder of the term of office of the replaced director.
All of our current eight directors are served in his or her personal capacity.

The following table sets out the names of our directors
and executive officers, their positions with our company and their ages as of March 31, 2017. The business address for our directors and executive officers is No. 1, R&D Road 1, Hsinchu Science Park, Hsinchu, Taiwan, and Republic of
China.



|               |  |     |  |                                                         |  |             
|-------------- |  | --- |  | ------------------------------------------------------- |  | ------------
|Name           |  | Age |  | Position                                                |  | Term Expires
|Shih-Jye Cheng |  | 58  |  | Chairman and Director/President                         |  | 2019        
|Yu-Hu Liu      |  | 58  |  | Director                                                |  | 2019        
|Wen-Ching Lin  |  | 60  |  | Director                                                |  | 2019        
|Chin-Shyh Ou   |  | 59  |  | Independent Director                                    |  | 2019        
|Tai-Haur Kuo   |  | 56  |  | Independent Director                                    |  | 2019        
|Yuh-Fong Tang  |  | 62  |  | Independent Director                                    |  | 2019        
|Kuei-Ann Wen   |  | 56  |  | Independent Director                                    |  | 2019        
|Cho-Lien Chang |  | 55  |  | Independent Director                                    |  | 2019        
|Lafair Cho     |  | 54  |  | Senior Executive Vice President/Chief Operating Officer |  |            
|Shou-Kang Chen |  | 56  |  | Chief Financial Officer                                 |  |            

Shih-Jye Cheng has served as a director and president of the
Company since 1997 and the chairman of the Company since June 2003. He is the sibling of President of ChipMOS USA. He was the chairman of ThaiLin from 2002 to 2013, a director of Syntax-Brillian Corporation from November 2005 to June 2008, the
chairman of ChipMOS Shanghai from 2002 to June 2005, the chairman of CHANTEK ELECTRONIC CO., LTD. from 2002 to November 2005, the chairman of ChipMOS Logic TECHNOLOGIES INC. from January 2004 to November 2005, the chairman of Advanced Micro Chip
Technology Co., Ltd. from 2003 to April 2004 and a director of Ultima Electronics Corp. from 2000 to June 2003. He was a division head of the back-end operation of Mosel from 1992 to 1997. Mr. Cheng has a
masters degree in business administration from Saginaw Valley State University. Mr. Cheng was indicted by the Taipei District Prosecutors Office for matters relating to the purchase by the Company and ThaiLin of certain repurchase
notes in 2004. Mr. Cheng was found not guilty by the Taipei District Court on October 1, 2007 and by the High Court on September 3, 2013. The Taiwan High Courts Prosecutors Office filed a petition for appeal against the
High Courts decision on September 18, 2013. Mr. Cheng was confirmed not guilty by Taiwans Supreme Court on August 7, 2014. The Supreme Courts ruling is not subject to appeal and the litigation closed.

Yu-Hu Liu has served as one of our directors since June 2013. Mr. Liu has been the
supervisor of Siliconware Investment Co., Ltd. since June 2011 and supervisor of Yann Yuan Investment Co., Ltd. since 2015. He was supervisor and Vice President of Siliconware Precision from 2011 to 2013 and 2006 to 2011, respectively. Mr. Liu
graduated from National United University.

Wen-Ching Lin has served as one of our
directors since May 2016. Mr. Lin has been the chairman of Yann Fong Investment Co., Ltd., since April 2000, the director and president of Shi Kai Investment Co., Ltd., since December 2015, the president of Zhi Sheng Investment Co., Ltd. since
December 2015 and the chairman of Yann Yuan Investment Co., Ltd. since July 2016. He was the supervisor of Siliconware Precision from June 2011 to June 2014. Mr. Lin graduated from Takushoku University.

Chin-Shyh Ou has served as one of our directors since June 2007. He was one of ChipMOS Bermudas directors since June 2007 until
ChipMOS Bermuda was merged with and into the Company. Mr. Ou joined the National Chengchi University as an associate professor in 1993 and a professor in 1997. In 1998, he joined National Chung Cheng University as a professor and the chairman
of the Department of Accounting. He led a project to establish the Graduate Institute of Accounting and Information Technology at National Chung Cheng University in 1999. Mr. Ou earned a master degree in Public Policy and Management from
Carnegie Mellon University, and a Ph.D. degree in Business Administration (Accounting) from the University of Minnesota. Mr. Ou holds several professional licenses and qualifications, including U.S. Certified Public Accountant and Certified
Internal Auditor.



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Tai-Haur Kuo has served as one of our directors
since June 2013. Mr. Kuo has been a professor of the department of Electrical Engineering at National Cheng Kung University since 1992. He has served as the independent director of Holtek Semiconductor Inc. since 2016 and director of ZillTek
Technology since 2016. He holds a Ph.D. degree in Electrical Engineering from University of Maryland.

Yuh-Fong Tang has served as one of our directors since June 2013. Mr. Tang has been the
chairman and chief executive officer of Myson Century, Inc. since June 2012, the chairman of ZAVIO Inc. since December 2015. He has served as the independent director of OPNET technologies Co., Ltd. since January 2015 and the chairman of
compensation committee of Carnival Industrial Corporation since February 2012. He was the vice chairman of Pack-Link Management Corp. from August 2000 to 2007, the director of Yulon IT Solutions Inc. from 2007 to May 2013 and the Supervisor of
TrueLight Corp. from January 2009 to November 2010. Mr. Tang holds a Ph.D. degree in Electrical Engineering from University of Illinois.

Kuei-Ann Wen has served as one of our directors since June 2015. Ms. Wen has been the
professor of the department of Electronic Engineering and Institute of Electronics since 2012, the chief executive officer in strategic development office since 1989, and the vice dean of International College of Semiconductor Technology at National
Chiao Tung University. She also served as the independent director of Xintec Inc. since 2016. Ms. Wen was the associate dean in the Office of Research and Development at National Chiao Tung University from 2011 to 2016. She holds a Ph.D. degree
from Institute of Electrical Engineering at National Cheng Kung University.

Cho-Lien Changhas served as one of our directors since June 2015. She was the Companys vice president of LCD Driver production group from June 2004 to 2012, assistant vice president from 2002 to 2004 and manager from 2000 to 2002. Ms. Chang
received a bachelors degree from Chung Yuan Christian University.

Lafair Cho has served as the chief operating officer and
senior executive vice president of the manufacturing operations center of the Company since January 2017. He was the executive vice president of the Company from June 2015 to January 2017. He also served as our vice president of the memory
production group from July 2003 to August 2004 and as our director from October 2003 to June 2007. He served as a deputy assistant vice president of our IC testing division from April 2000 to December 2001 and as an assistant vice president of our
IC testing division from January 2002 to January 2003.He also served as ThaiLins chairman since June 17, 2013, the president since December 1, 2003 and a director since December 30, 2002 until ThaiLin was merged with and
into the Company. He was vice president of ThaiLin from February 1, 2003 to November 30, 2003. He served as manager of production material control of Mosel from 1993 to 1997. He holds a masters degree in industrial management from
National Cheng Kung University.

Shou-Kang Chen has served as the chief financial officer of the Company since April 2017, the vice
president, the head of investor relations officer and finance and accounting management center of the Company since 2002. He was the department head of the quality lab of the Company from 1998 to 2000. He was one of the directors of ChipMOS Bermuda
since June 2005 until ChipMOS Bermuda was merged with and into the Company. Mr. Chen holds a bachelors degree in mining and petroleum engineering and a master of science degree and a Ph.D. degree from the graduate school of mining,
metallurgy and material science of National Cheng Kung University.



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##### Table of Contents

Share Ownership

The following table sets forth certain information as of March 31, 2017 with respect to our common shares owned by our directors and
executive officers.



|               |  |                            |           |  |                           |  |                                  |   |  |                                     |   |  |  |  |                | 
|-------------- |  | -------------------------- | --------- |  | ------------------------- |  | -------------------------------- | - |  | ----------------------------------- | - |  |  |  | -------------- | 
|Name           |  | Number ofCommonShares Held |           |  | Percentageof SharesIssued |  | Number ofRestrictedSharesHeld(1) |   |  | Expiration Date ofRestricted Shares |  
|Shih-Jye Cheng |  |                            | 5,290,000 |  |                           |  | 0.60                             | % |  |                                     |  |  |  |  | Not applicable | 
|Yu-Hu Liu      |  |                            |          |  |                           |  |                                 |   |  |                                     |  |  |  |  | Not applicable | 
|Wen-Ching Lin  |  |                            | 4,000,200 |  |                           |  | 0.45                             | % |  |                                     |  |  |  |  | Not applicable | 
|Chin-Shyh Ou   |  |                            |          |  |                           |  |                                 |   |  |                                     |  |  |  |  | Not applicable | 
|Tai-Haur Kuo   |  |                            |          |  |                           |  |                                 |   |  |                                     |  |  |  |  | Not applicable | 
|Yuh-Fong Tang  |  |                            |          |  |                           |  |                                 |   |  |                                     |  |  |  |  | Not applicable | 
|Kuei-Ann Wen   |  |                            |          |  |                           |  |                                 |   |  |                                     |  |  |  |  | Not applicable | 
|Cho-Lien Chang |  |                            |          |  |                           |  |                                 |   |  |                                     |  |  |  |  | Not applicable | 
|Lafair Cho     |  |                            | 36,000    |  |                           |  | 0.00                             | % |  |                                     |  |  |  |  | Not applicable | 
|Shou-Kang Chen |  |                            | 675,000   |  |                           |  | 0.08                             | % |  |                                     |  |  |  |  | Not applicable | 



Notes:

|* | Indicate actual numbers held and/or including restricted shares vested within 60 days after March 31, 2017, would beneficially own less than 1% of our ordinary shares.
|- | -----------------------------------------------------------------------------------------------------------------------------------------------------------------------

Compensation Committee

The aggregate
compensation paid in 2016 to our directors and our executive officers, including cash and accrued pension payable upon retirement, was approximately NT$124 million (US$4 million).

We do not provide our directors with any benefits upon termination of employment.

Our compensation committee currently consists of Mr. Tai-Haur Kuo,
Mr. Yuh-Fong Tang and Mr. Chin-Shyh Ou, all of whom are independent directors. This committee reviews and recommends to our board of directors the compensation of all our directors and officers. The
compensation committee is required to meet at least semi-annually.

Audit Committee

The audit committee currently consists of Mr. Chin-Shyh Ou, Mr. Tai-Haur Kuo, Mr. Yuh-Fong Tang, Ms. Kuei-Ann Wen and Ms. Cho-Lien Chang, all of whom are independent directors. Mr. Chin-Shyh Ou
serves as a financial expert to the audit committee. Our audit committee charter was adopted on June 28, 2007. The audit committee is required to meet at least once every quarter. Our audit committee charter grants the audit committee the
authority to conduct any investigation which it deems appropriate to fulfill its responsibilities. It has direct access to all our book, records, facilities, and personnel, as well as our registered public accountants. It has the authority to, among
other things, appoint, terminate and approve all fees to be paid to our registered public accountants. The audit committee also has the authority to engage special legal, accounting, or other consultants it deems necessary in the performance of its
duties. Beginning on January 1, 2007, the audit committee also assumed the responsibilities of supervisors pursuant to the ROC Securities and Exchange Act.



66



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##### Table of Contents

Employees

The following table sets forth, as of the dates indicated, the number of our full-time employees serving in the functions indicated:



|                                  |  |                    |       |  |                |  |       |      |  |  |       |  |  |  |       | 
|--------------------------------- |  | ------------------ | ----- |  | -------------- |  | ----- | ---- |  |  | ----- |  |  |  | ----- | 
|                                  |  | As of December 31, |       |  | As ofMarch 31, | 
|Function                          |  | 2014               |       |  | 2015           |  |       | 2016 |  |  | 2017  | 
|General operations                |  |                    | 3,498 |  |                |  | 3,189 |      |  |  | 3,203 |  |  |  | 2,945 | 
|Quality control                   |  |                    | 409   |  |                |  | 364   |      |  |  | 359   |  |  |  | 330   | 
|Engineering                       |  |                    | 1,416 |  |                |  | 1,431 |      |  |  | 1,447 |  |  |  | 1,295 | 
|Research and development          |  |                    | 387   |  |                |  | 599   |      |  |  | 679   |  |  |  | 598   | 
|Sales, administration and finance |  |                    | 197   |  |                |  | 177   |      |  |  | 176   |  |  |  | 144   | 
|Others                            |  |                    | 365   |  |                |  | 313   |      |  |  | 350   |  |  |  | 269   | 
|                                  |  |                    |       |  |                |  |       |      |  |  |       |  |  |  |       | 
|Total                             |  |                    | 6,272 |  |                |  | 6,073 |      |  |  | 6,214 |  |  |  | 5,581 | 
|                                  |  |                    |       |  |                |  |       |      |  |  |       |  |  |  |       | 

The following table sets forth, as of the dates indicated, a breakdown of the number of our full-time
employees by geographic location:



|                                 |  |                    |       |  |                |  |       |      |  |  |       |  |  |  |       | 
|-------------------------------- |  | ------------------ | ----- |  | -------------- |  | ----- | ---- |  |  | ----- |  |  |  | ----- | 
|                                 |  | As of December 31, |       |  | As ofMarch 31, | 
|Location                         |  | 2014               |       |  | 2015           |  |       | 2016 |  |  | 2017  | 
|ThaiLin                          |  |                    | 495   |  |                |  |      |      |  |  |      |  |  |  |      | 
|Hsinchu Production Group         |  |                    | 1,748 |  |                |  | 2,126 |      |  |  | 2,173 |  |  |  | 2,207 | 
|Southern Taiwan Production Group |  |                    | 3,438 |  |                |  | 3,426 |      |  |  | 3,387 |  |  |  | 3,370 | 
|Shanghai                         |  |                    | 586   |  |                |  | 516   |      |  |  | 650   |  |  |  |      | 
|United States                    |  |                    | 5     |  |                |  | 5     |      |  |  | 4     |  |  |  | 4     | 
|                                 |  |                    |       |  |                |  |       |      |  |  |       |  |  |  |       | 
|Total                            |  |                    | 6,272 |  |                |  | 6,073 |      |  |  | 6,214 |  |  |  | 5,581 | 
|                                 |  |                    |       |  |                |  |       |      |  |  |       |  |  |  |       | 

As of March 31, 2017, excluding employees of ChipMOS Shanghai. ChipMOS Shanghai is no longer a subsidiary
of the Company following the equity interests transfer completed on March 24, 2017.

Our employees are not covered by any collective
bargaining agreements. We have not experienced any strikes or work stoppages by our employees and believe that our relationship with our employees is good.

Restricted Shares

On November 12,
2014, the board of directors of the Company approved 2014 Restricted Stock Award Agreement which has 17,300,000 restricted shares available for issuance. The par value and granting price of the restricted shares were NT$10 and zero, respectively.
The issuance of the restricted shares was approved by the Special General Meeting of the Shareholders of the Company on December 30, 2014 and approved by the Financial Supervisory Commission of ROC on June 30, 2015. Under the
Restricted Stock Award Agreement, the restricted shares will be issued to the employees determined by the board. The restricted shares received will be vested on the vesting ratio when the determined employees accomplish the required years of
services and performance conditions. The restricted shares are not restricted for the dividend distribution. The employees are required to return the received restricted shares but not the dividends received if they resign during the vesting period.
The returned restricted shares will be retired and cancelled. In 2015, 15,752,000 restricted shares were granted and 410,000 restricted shares were forfeited. In 2016, 1,548,000 restricted shares were granted and 927,000 restricted shares were
forfeited.



67



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##### Table of Contents

|Item 7. | Major Shareholders and Related Party Transactions
|------- | -------------------------------------------------

Major Shareholders

The following table and information set out certain information known to us concerning the record ownership of our shares as of
April 5, 2015, April 2, 2016 and March 28, 2017 (our most recent record date) (1) the largest ten shareholders of the Company as of such record date and (2) our directors and executive officers as a group.



|                                                                                                                  |  |                       |             |     |                           |  |           |                        |  |  |                           |     |  |                       |           |  |                           |  |             |     |  |  |          | 
|----------------------------------------------------------------------------------------------------------------- |  | --------------------- | ----------- | --- | ------------------------- |  | --------- | ---------------------- |  |  | ------------------------- | --- |  | --------------------- | --------- |  | ------------------------- |  | ----------- | --- |  |  | -------- | 
|                                                                                                                  |  | April 5, 2015         |             |     | April 2, 2016             |  |           | March 28, 2017(1)      | 
|Name of Beneficial Owners                                                                                         |  | Numbers ofSharesOwned |             |     | Percentage ofShares Owned |  |           | Numbers ofShares Owned |  |  | Percentage ofShares Owned |     |  | Numbers ofSharesOwned |           |  | Percentage ofShares Owned | 
|Depositary(2)                                                                                                     |  |                       |            |     |                           |  |          |                        |  |  |                          |     |  |                       |          |  |                           |  | 380,941,160 |     |  |  | 42.95%   | 
|Siliconware Precision Industries Co., Ltd.                                                                        |  |                       | 132,775,000 |     |                           |  | 15.36%    |                        |  |  | 132,775,000               |     |  |                       | 14.82%    |  |                           |  | 132,775,000 |     |  |  | 14.97%   | 
|Citibank (Taiwan) in its capacity as Master Custodian for Investment Account of GIC Pte Ltd.
(Singapore)          |  |                       | 38,678,000  |     |                           |  | 4.47%     |                        |  |  | 39,649,000                |     |  |                       | 4.43%     |  |                           |  | 39,323,000  |     |  |  | 4.43%    | 
|Fubon Life Insurance Co., Ltd.                                                                                    |  |                       | 10,000,000  |     |                           |  | 1.16%     |                        |  |  | 13,100,000                |     |  |                       | 1.46%     |  |                           |  | 16,100,000  |     |  |  | 1.82%    | 
|Taiwan Life Insurance Co., Ltd.                                                                                   |  |                       | *           |     |                           |  | *         |                        |  |  | 13,483,000                |     |  |                       | 1.51%     |  |                           |  | 13,483,000  |     |  |  | 1.52%    | 
|Cathay Life Insurance Co., Ltd.                                                                                   |  |                       | *           |     |                           |  | *         |                        |  |  | 13,722,000                |     |  |                       | 1.53%     |  |                           |  | 12,639,000  |     |  |  | 1.43%    | 
|Tai Shin Bank in its capacity as Master Custodian for Trust Account of ChipMOS Restricted
Shares (2015-1 issued) |  |                       | *           |     |                           |  | *         |                        |  |  | 15,209,499                |     |  |                       | 1.7%      |  |                           |  | 11,584,000  |     |  |  | 1.31%    | 
|Investment Account of Government of Singapore Investment Corp.                                                    |  |                       | 5,283,000   |     |                           |  | 0.61%     |                        |  |  | 7,370,000                 |     |  |                       | 0.82%     |  |                           |  | 7,358,000   |     |  |  | 0.83%    | 
|Chao-Jung Tsai                                                                                                    |  |                       | *           |     |                           |  | *         |                        |  |  | *                         |     |  |                       | *         |  |                           |  | 6,000,000   |     |  |  | 0.68%    | 
|HSBC in custody for Investment Account of UBS                                                                     |  |                       | *           |     |                           |  | *         |                        |  |  | *                         |     |  |                       | *         |  |                           |  | 5,832,956   |     |  |  | 0.66%    | 
|Directors and executive officers, as a
group(3)                                                                   |  |                       | 528,350,358 | (4) |                           |  | 61.10%(4) |                        |  |  | 528,435,358               | (5) |  |                       | 58.99%(5) |  |                           |  | 10,001,200  | (6) |  |  | 1.13%(6) | 





Notes:

|* | Was not one of the largest ten shareholders of the Company as of the applicable record date.
|- | --------------------------------------------------------------------------------------------

|(1) | Our most recent record date.
|--- | ----------------------------

|(2) | As record owner of our ADSs. With effect from October 31, 2016, Citibank, N.A. acts as the depositary.
|--- | ------------------------------------------------------------------------------------------------------

|(3) | Calculated as the sum of: (a) with respect to directors and executive officers who are serving in their personal capacity, the number of shares held by such directors and executive officers and (b) with
respect to directors who are serving in the capacity as legal representatives, the number of shares owned by such institutional or corporate shareholder for which director is a legal representative.
|--- | -----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------

|(4) | As of April 30, 2015, including the holding of ChipMOS Bermuda as the corporate director of the Company.
|--- | --------------------------------------------------------------------------------------------------------

|(5) | As of March 31, 2016, including the holding of ChipMOS Bermuda as the corporate director of the Company.
|--- | --------------------------------------------------------------------------------------------------------

|(6) | As of March 31, 2017.
|--- | ---------------------

Except for holders of our ADSs, none of our major shareholders
have different voting rights from those of other shareholders.

As of March 31, 2017, a total of 856,599,261 common shares were
outstanding. With certain limited exceptions, holders of common shares that are not ROC persons are required to hold their commons shares through their custodians in the ROC. As of March 31, 2017, 366,199,160 common shares were registered in
the name of a nominee of Citibank, N.A., the depositary under our ADSs Deposit Agreement. Citibank, N.A., has advised us that, as of March 31, 2017, 13,743,803 ADSs, representing 274,876,060 common shares, were held of record by Cede &
Co. and 383 other registered shareholders domiciled in and outside of the United States. We have no further information as to common shares held, or beneficially owned, by US persons.



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##### Table of Contents

Related Party Transactions

ChipMOS TECHNOLOGIES (Shanghai) LTD.

We conducted our PRC operations through ChipMOS Shanghai, the 45.02%-owned affiliate of ChipMOS BVI, our controlled subsidiary. Under the MMT
Assignment Agreement signed on April 22, 2011, ChipMOS Bermuda agreed to sell the MMT Notes to ThaiLin for a purchase price of approximately US$40 million subject to certain closing conditions. The Assignment Agreement transaction
completed in October 2011 and ThaiLin immediately converted the MMT Notes into common shares of ChipMOS BVI and purchased all of the remaining common shares of ChipMOS BVI from Jesper, with ChipMOS Shanghai becoming an indirect wholly-owned
subsidiary of ThaiLin, through ThaiLins direct wholly-owned subsidiary ChipMOS BVI. November 30, 2016, the Company and Tsinghua Unigroup agreed to form a joint-venture. Under the joint-venture, the Equity Interest Transfer Agreements
among ChipMOS BVI, a wholly-owned subsidiary of the Company, and some strategic investors which including Unigroup Guowei, a subsidiary of Tsinghua Unigroup, were executed. Pursuant to the agreement, ChipMOS BVI, will sell 54.98% equity interests of
its wholly-owned subsidiary, ChipMOS Shanghai, to the strategic investors, and Unigroup Guowei will hold 48% equity interests of ChipMOS Shanghai, and the other strategic investors, including a limited partnership owned by ChipMOS Shanghais
employees, will own approximately 6.98% equity interest of ChipMOS Shanghai. ChipMOS Shanghai is no longer the subsidiary of the Company following the sale of equity interests, which was completed on March 24, 2017.

Under a technology transfer agreement dated August 1, 2002 which expired on August 1, 2012, ChipMOS Bermuda licensed certain
technologies and systems, and agreed to provide certain technical support and consulting services to ChipMOS Shanghai relating to those technologies and systems, and ChipMOS Shanghai paid an aggregate of US$25 million to ChipMOS Bermuda in 2002
for the technology and services ChipMOS Bermuda provide under this agreement. Under another technology transfer agreement dated October 3, 2011 which became effective on August 1, 2012, ChipMOS Bermuda licensed certain technologies and
systems, and agreed to provide certain technical support and consulting services to ChipMOS Shanghai relating to those technologies and systems, and ChipMOS Shanghai will pay an aggregate of RMB 27 million to ChipMOS Bermuda by forty
installments on the last day of each quarter during the term of this agreement. Following the merger of ChipMOS Bermuda and the Company which was effective on October 31, 2016, the Company is the surviving company to provide ChipMOS Shanghai
with technical support and consulting services.

Pursuant to the Technology Transfer and License Agreement and Addendums dated
May 27, 2016, August 5, 2016 and January 19, 2017 entered between the Company and ChipMOS Shanghai, the Company agreed to transferred certain technologies for LCD driver IC assembly and testing and wafer bumping and provide certain
technical assistance and consulting services to ChipMOS Shanghai, and ChipMOS Shanghai agreed to pay the Company the license fee in the amount of US$1 million and a running royalty for the foregoing license equal to 0.5% of the total earnings
of the sales (excluding rebate, refund and rework) of the licensed technologies with a cap of US$15 million.



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##### Table of Contents

|Item 8. | Financial Information
|------- | ---------------------

Consolidated Financial Statements and Other Financial Information

Please see Item 18. Financial Statements and pages F-1 through F-73.

Legal Proceedings

In February 2006, the
Company and ChipMOS USA received notice of a lawsuit filed by Tessera Technologies, Inc., or Tessera. The complaint was initially filed in United States District Court for the Northern District of California (Civil Action No. C05-04063CW), or the California court. In an amended complaint, Tessera added the Company and ChipMOS USA, among several other semiconductor companies, as co-defendants. The
amended complaint alleges that the Company, ChipMOS USA and the other co-defendants infringed certain patents owned by Tessera and that the Company is in breach of a license agreement with Tessera, or the
Tessera license agreement. Tessera also sought unspecified damages and injunctive relief. The Company and ChipMOS USA have responded to the lawsuit by denying Tesseras claims of patent infringement and breach of contract. ChipMOS USA and the
Company have also raised various counterclaims for declaratory judgment and related affirmative defenses that the Tessera patents are invalid and unenforceable. In May 2007, the California court, with the concurrence of the Company and ChipMOS USA,
stayed all litigation in the California court as a result of a related investigation by the International Trade Commission, or ITC, initiated by Tessera against certain other co-defendants. In addition, a co-defendant in the Tessera lawsuit requested the United States Patent and Trademark Office to reexamine the patentability of each of Tesseras patents that are at issue in the case in the California court. The
requests were granted and, in February 2007, the U.S. Patent and Trademark Office concluded that certain claims of the patents were invalid on the basis of prior art. In April 2008, ChipMOS Bermuda, ChipMOS USA and the Company received notice that
Tessera requested the ITC to initiate another investigation alleging that the sale for and after importation into the United States as well as importation into the United States of certain small format
non-tape based BGA semiconductor packages by the Company, the Company and ChipMOS USA infringe three of the five Tessera patents at issue in the case pending in the California court. Tessera sought, among
other things, an investigation by the ITC and general exclusion orders to prohibit the infringing products from entry into the United States. The ITC initiated the investigation in May 2008. On March 13, 2009, after the close of discovery,
Tessera submitted a request to terminate the proceedings at the ITC, which the judge granted on July 17, 2009. No petitions for review were filed. The ITC issued an order to terminate the investigation on August 7, 2009. Due to the
completion of a companion investigation against other companies by ITC, the stayed litigations in the Northern District of California resumed in January 2012. On July 19, 2012, Tessera filed a stipulation with the California court dismissing
its breach of contract claim against the companies. Accordingly, this litigation was then limited to only Tesseras patent infringement allegations against the companies. A court-ordered mediation was held on December 13, 2012 but was
unsuccessful. On November 8, 2013, we entered into a settlement agreement with Tessera settling the subject matter. As part of the Settlement Agreement, the Company agreed to pay a one-time payment of
US$1,375 thousand, including 20% Taiwan tax withholding, to Tessera in exchange for Tessera releasing, discharging and agreeing to never sue ChipMOS Bermuda, the Company and ChipMOS USA relating to the license agreement. On November 9,
2013, the parties filed a stipulation with the Court to dismiss the pending litigation and the case was closed by the court.



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##### Table of Contents

In April 1999, Motorola, Inc. (Motorola) and the Company entered into an immunity
agreement (the Agreement) whereby each party covenanted not to sue each other for the use of certain Ball Grid Array (BGA) patents. In December 2004, Motorola spun off its semiconductor division, and thereby formed Freescale
Semiconductor, Inc. (Freescale), who then assumed Motorolas rights and obligations under the Agreement. On October 16, 2006, Freescale unilaterally terminated the Agreement, alleging that the Company breached the Agreement.
The Company argued that Freescales unilateral termination of the Agreement has no legal effect, and continues to accrue royalty payments for products it believes are covered by the Agreement. The payments previously returned by Freescale and
accrued by the Company have been deposited in a separate escrow account. On July 13, 2009, Freescale alleged that the Company breached the Agreement by failing to pay royalties on certain BGA packages assembled by the Company. The Company filed
an answer to deny all allegations, and also filed counterclaims against Freescale alleging that Freescale engaged in patent misuse by seeking to obtain royalties on certain of the Companys BGA products that were not covered by any Freescale
patent included under the Agreement, and for declaratory judgment of patent non-infringement and invalidity. On December 11, 2009, Freescale filed a motion to dismiss the declaratory judgment
counterclaims filed by the Company and to stay all other patent related claims and issues until its breach of contract claims could be decided. On July 29, 2010, the Court found that the Agreement constituted a Total Sales Royalty
agreement, however, Freescales motion was partly denied for patent misuse issue. A mediation was held between the parties on October 28, 2010 but was unsuccessful. The fact discovery and expert discovery process regarding patent misuse
issue closed in middle June 2011. An Order granting Freescales motion for partial summary judgment and denying ChipMOS cross-motion for partial judgment was given on September 8, 2011. An Order granting in part and denying in part
ChipMOS Motion for Reconsideration was given on March 30, 2012. The Court reinstated ChipMOS claims for patent misuse and its affirmative defenses for patent exhausted, mutual mistake and license. Freescale refiled its motions to
strike ChipMOS jury demand and for summary judgment on ChipMOS affirmative defenses of exhaustion, mutual mistake and license. The Court has granted those motions on January 24, 2013 and later denied ChipMOS motion for
reconsideration of those rulings in April 2013. On June 20, 2013, the Company entered into a settlement agreement with Freescale to resolve pending lawsuit between the parties in a judicial settlement conference conducted in the Court. As part
of the settlement agreement, the Company agreed to pay Freescale US$8 million to settle the claims in exchange the parties entering into a new License Agreement for the use of Freescales BGA packaging technology from 2011 to 2015 and
filing a Joint Stipulation for the Dismissal of all claims pending between them. The Joint Stipulation for Dismissal was filed on July 26, 2013 and the case was closed by the Court.

Other than the matters described above, we were not involved in any material litigation in 2016 and are not currently involved in any material
litigation.

For certain information regarding legal proceedings relating to certain of our current and former directors, see
Item 6. Directors, Senior Management and EmployeesDirectors and Senior Management.

Dividends and Dividend Policy

The following table sets forth the dividend per share paid during each of the years indicated in respect of common shares outstanding on the
record date eligible to the payment of those dividends. During 2014, 2015 and 2016, we paid cash dividends in the amounts of NT$1.20, NT$2.22 and NT$2.09 (US$0.06), respectively.



|     |  |                         |      |  |                          |  |   |                                       |  |  |                                      |  |  |  |             | 
|---- |  | ----------------------- | ---- |  | ------------------------ |  | - | ------------------------------------- |  |  | ------------------------------------ |  |  |  | ----------- | 
|     |  | Cash Dividendsper Share |      |  | Stock Dividendsper Share |  |   | Total Shares Issuedas Stock Dividends |  |  | Outstanding CommonShares at Year End | 
|     |  | (NT$)                   |      |  | (NT$)                    |  |   |                                       |  |  |                                      | 
|2014 |  |                         | 1.20 |  |                          |  |  |                                       |  |  |                                     |  |  |  | 864,619,358 | 
|2015 |  |                         | 2.22 |  |                          |  |  |                                       |  |  |                                     |  |  |  | 895,893,643 | 
|2016 |  |                         | 2.09 |  |                          |  |  |                                       |  |  |                                     |  |  |  | 856,754,261 | 

Under the Companys articles of incorporation, a proposal on the dividend distribution shall be submitted
by the broad of directors annually to the shareholders general meeting, and be determined based on factors including the past years profit, current and future investment environment, capital needs, market competition, and budgets, with
an aim to pursuing shareholders interests and balancing the dividend distribution and the long-term financial plan. The distribution of profits can be made in the form of cash or stock dividends, provided that the cash dividend shall account
for at least 10% of the total profit distributed as dividends in the given year.



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##### Table of Contents

|Item 9. | The Offer and Listing
|------- | ---------------------

Listing

The principal trading market for our common shares is the TWSE. Our common shares have been listed on the TWSE under the symbol
8150 since April 11, 2014, and the ADSs have been listed on the NASDAQ under the symbol IMOS since November 1, 2016. The outstanding ADSs are identified by the CUSIP number 16965P103 and 16965P996. The table below
sets forth, for the periods indicated, the high and low closing prices and the average daily volume of trading activity on the TWSE for our common shares and the high and low closing prices and the average daily volume of trading activity on the
NASDAQ for our common shares represented by ADSs.



|                               |  |                               |       |  |                             |  |       |                          |      |  |                             |     |  |       |       |  |                        |  |       |  |  |  |       | 
|------------------------------ |  | ----------------------------- | ----- |  | --------------------------- |  | ----- | ------------------------ | ---- |  | --------------------------- | --- |  | ----- | ----- |  | ---------------------- |  | ----- |  |  |  | ----- | 
|                               |  | Taiwan Stock Exchange         |       |  | NASDAQ Global Select Market | 
|                               |  | Closing Price PerCommon Share |       |  | Average DailyTrading Volume |  |       | Closing Price PerADS     |      |  | Average DailyTrading Volume |    
|                               |  | High                          |       |  | Low                         |  |       |                          | High |  |                             | Low |  |      
|                               |  | (NT$)                         |       |  | (NT$)                       |  |       | (in thousands of shares) |      |  | (US$)                       |     |  | (US$) |       |  | (in thousands of ADSs) | 
|2014                           |  |                               |       |  |                             |  |       |                          |      |  |                             |     |  |       |       |  |                        |  |       |  |  |  |       | 
|Second Quarter                 |  |                               | 44.30 |  |                             |  | 35.00 |                          |      |  | 3,349.2                     |     |  |       | *     |  |                        |  | *     |  |  |  | *     | 
|Third Quarter                  |  |                               | 42.95 |  |                             |  | 37.40 |                          |      |  | 1,188.8                     |     |  |       | *     |  |                        |  | *     |  |  |  | *     | 
|Fourth Quarter                 |  |                               | 42.65 |  |                             |  | 35.80 |                          |      |  | 1,687.8                     |     |  |       | *     |  |                        |  | *     |  |  |  | *     | 
|2015                           |  |                               | 50.50 |  |                             |  | 27.00 |                          |      |  | 1,682.2                     |     |  |       | *     |  |                        |  | *     |  |  |  | *     | 
|First Quarter                  |  |                               | 50.50 |  |                             |  | 41.65 |                          |      |  | 2,933.9                     |     |  |       | *     |  |                        |  | *     |  |  |  | *     | 
|Second Quarter                 |  |                               | 45.65 |  |                             |  | 39.00 |                          |      |  | 2,224.7                     |     |  |       | *     |  |                        |  | *     |  |  |  | *     | 
|Third Quarter                  |  |                               | 41.35 |  |                             |  | 27.00 |                          |      |  | 1,658.3                     |     |  |       | *     |  |                        |  | *     |  |  |  | *     | 
|Fourth Quarter                 |  |                               | 36.50 |  |                             |  | 30.90 |                          |      |  | 1,263.0                     |     |  |       | *     |  |                        |  | *     |  |  |  | *     | 
|2016                           |  |                               |       |  |                             |  |       |                          |      |  |                             |     |  |       |       |  |                        |  |       |  |  |  |       | 
|First Quarter                  |  |                               | 35.45 |  |                             |  | 27.85 |                          |      |  | 847.5                       |     |  |       | *     |  |                        |  | *     |  |  |  | *     | 
|Second Quarter                 |  |                               | 34.35 |  |                             |  | 29.80 |                          |      |  | 539.4                       |     |  |       | *     |  |                        |  | *     |  |  |  | *     | 
|Third Quarter                  |  |                               | 34.60 |  |                             |  | 30.15 |                          |      |  | 255.2                       |     |  |       | *     |  |                        |  | *     |  |  |  | *     | 
|Fourth Quarter                 |  |                               | 30.25 |  |                             |  | 22.80 |                          |      |  | 1,136.0                     |     |  |       | *     |  |                        |  | *     |  |  |  | *     | 
|November                       |  |                               | 28.15 |  |                             |  | 22.80 |                          |      |  | 1,625.30                    |     |  |       | 16.55 |  |                        |  | 14.30 |  |  |  | 127.2 | 
|December                       |  |                               | 26.80 |  |                             |  | 23.10 |                          |      |  | 1,256.70                    |     |  |       | 16.30 |  |                        |  | 14.03 |  |  |  | 82.7  | 
|2017                           |  |                               |       |  |                             |  |       |                          |      |  |                             |     |  |       |       |  |                        |  |       |  |  |  |       | 
|January                        |  |                               | 26.65 |  |                             |  | 24.30 |                          |      |  | 6,152.4                     |     |  |       | 16.10 |  |                        |  | 14.69 |  |  |  | 143.5 | 
|February                       |  |                               | 25.70 |  |                             |  | 24.20 |                          |      |  | 4,660.3                     |     |  |       | 16.08 |  |                        |  | 15.41 |  |  |  | 163.0 | 
|March                          |  |                               | 27.60 |  |                             |  | 24.15 |                          |      |  | 11,833                      |     |  |       | 17.99 |  |                        |  | 15.52 |  |  |  | 298.4 | 
|April (through April 18, 2017) |  |                               | 27.55 |  |                             |  | 25.55 |                          |      |  | 11,068                      |     |  |       | 17.68 |  |                        |  | 16.92 |  |  |  | 220.6 | 

Source: Taiwan Stock Exchange and NASDAQ Stock Exchange

Note:

|* | Our ADSs were listed onto the NASDAQ Global Select Market on November 1, 2016.
|- | ------------------------------------------------------------------------------



|Item 10. | Additional Information
|-------- | ----------------------

The following information relates to the Company shares,
including summaries of certain provisions of the Companys articles of incorporation and of the ROC Company Act.

General

The authorized share capital of the Company will be as provided in its articles of incorporation, of which such number of shares as to be
determined will be issued.



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Dividends

Except under limited circumstances, the Company will not permitted to distribute dividends or make other distributions to shareholders in any
given year in which it did not record net income or retained earnings (excluding reserves). The ROC Company Act also requires that 10% of annual net income (less prior years losses, if any, and applicable income taxes) be set aside as a legal
reserve until the accumulated legal reserve equals the paid-in capital of the Company. In addition, the articles of incorporation of the Company provides that before a dividend is paid out of the
Companys annual net income:



| |  |  | up to 0.5% of the Companys annual profits (less prior years accumulated losses, if any) should be paid to the directors of the Company as compensation; and
| | - |  | -------------------------------------------------------------------------------------------------------------------------------------------------------------



| |  |  | 10% of the annual profits (less prior years accumulated losses, if any) should be paid to the employees of the Company. The employee compensation may be paid in shares or in cash as determined by a majority of
directors in attendance at a meeting attended by over two-thirds of the board of directors and such resolution shall be reported to the shareholders meeting. Such employees include those of the
Companys subsidiaries.
| | - |  | ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------

At the annual general meeting of shareholders, the board of the Company will submit to the
shareholders for their approval any proposal for the distribution of dividends or the making of any other distribution to shareholders from the Companys net income (less prior years losses and legal and special reserves plus the
accumulated undistributed profit at the beginning of the preceding fiscal year and the adjusted undistributed profit of the given fiscal year) for the preceding fiscal year. All the outstanding and fully paid shares of the Company as of the relevant
record date are entitled to share equally in any dividend or other distribution so approved. Dividends may be distributed in cash, in the form of common shares or a combination of the two, as determined by the shareholders at the meeting. The
articles of incorporation of the Company provides that cash dividend distribution should not be lower than 10% of the total dividend amount.

The Company will also be permitted to make distributions to its shareholders in cash or in the form of common shares from reserves if it has
no accumulated loss. However, the distribution payable out of the Companys legal reserve can only come from the amount exceeding 25% of the total paid-in capital.

Changes in Share Capital

Under the ROC
Company Act, any change in the authorized share capital of a company limited by shares requires an amendment to its articles of incorporation, which in turn requires approvals each at the meeting of the board of directors and shareholders
meeting. In the case of a public company such as the Company, it must also make an effective registration with the FSC and an amendment to the corporate registration with the Hsinchu Science Park Bureau of the Ministry of Science and Technology.
Authorized but unissued common shares may be issued, subject to applicable ROC law, upon terms as the board of the Company may determine.

Preemptive
Rights

Under the ROC Company Act, when an ROC company issues new shares for cash, existing shareholders who are listed on the
shareholders register as of the record date have preemptive rights to subscribe for the new issue in proportion to their existing shareholdings, while a companys employees, whether or not they are shareholders of the Company, have rights
to subscribe for 10% to 15% of the new issue. Any new shares that remain unsubscribed at the expiration of the subscription period may be freely offered, subject to compliance with applicable ROC law.

In addition, in accordance with the ROC Securities and Exchange Act, a public company that intends to offer new shares for cash must offer to
the public at least 10% of the shares to be sold, except under certain circumstances or when exempted by the FSC. This percentage can be increased by a resolution passed at a shareholders meeting, which would diminish the number of new shares
subject to the preemptive rights of existing shareholders.

These preemptive rights provisions do not apply to offerings of new shares
through a private placement approved at a shareholders meeting.



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Meeting of Shareholders

The Company will be required to hold an annual general meeting of shareholders within six months following the end of each fiscal year. These
meetings are generally held in Hsinchu, Taiwan. Any shareholder who holds 1% or more of the Companys issued and outstanding shares may submit one written proposal for discussion at the annual general meeting. Extraordinary shareholders
meetings may be convened by resolution of the board of directors or by the board of directors upon the written request of any shareholder or shareholders who have held 3% or more of the outstanding common shares for a period of one year or longer.
Shareholders meetings may also be convened by the audit committee. Notice in writing of shareholders meetings, stating the place, time and purpose, must be dispatched to each shareholder at least 30 days, in the case of annual general
meetings, and 15 days, in the case of extraordinary meetings, before the date set for each meeting. A majority of the holders of all issued and outstanding common shares present at a shareholders meeting constitutes a quorum for meetings of
shareholders. If a company adopts a nomination procedure for election of directors in its articles of incorporation, shareholders representing 1% or more of the total issued shares of such company may submit a candidate list in writing to the
Company along with relevant information and supporting documents in accordance with the requirements under the ROC Company Act. The articles of incorporation of the Company presently adopt such nomination procedure for the election of independent
directors.

Voting Rights

Under the
ROC Company Act, except under limited circumstances, shareholders have one vote for each common share held. Under the ROC Company Act, the directors are elected at a shareholders meeting through cumulative voting.

In general, a resolution can be approved by the holders of at least a majority of the Company shares represented at a shareholders
meeting at which the holders of a majority of all issued and outstanding common shares are present. Under the ROC Company Act, the approval by at least a majority of the Company shares represented at a shareholders meeting in which a quorum of
at least two-thirds of all issued and outstanding common shares are represented is required for major corporate actions, including:



| |  |  | amendment to the Articles of Incorporation, including increase of authorized share capital and any changes of the rights of different classes of shares;
| | - |  | --------------------------------------------------------------------------------------------------------------------------------------------------------



| |  |  | execution, amendment or termination of any contract through which the Company leases its entire business to others, or the Company appoints others to operate its business or the Company operates its business with others
on a continuous basis;
| | - |  | --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------



| |  |  | transfer of entire business or assets or a substantial part of its business or assets;
| | - |  | --------------------------------------------------------------------------------------



| |  |  | acquisition of the entire business or assets of any other company, which would have a significant impact on the Companys operations;
| | - |  | -------------------------------------------------------------------------------------------------------------------------------------



| |  |  | distribution of any stock dividend;
| | - |  | -----------------------------------



| |  |  | dissolution, merger or spin-off of the Company;
| | - |  | -----------------------------------------------



| |  |  | issuance of restricted shares to employees; and
| | - |  | -----------------------------------------------



| |  |  | removal of the directors.
| | - |  | -------------------------

However, in the case of a listed company such as the Company, the
resolution may be adopted by the holders of at least two-thirds of the Company shares represented at a shareholders meeting at which the holders of at least a majority of all issued and outstanding
common shares are present.

A shareholder may be represented at an annual general or extraordinary meeting by proxy if a valid proxy form
is delivered to the Company five days before the commencement of the annual general or extraordinary shareholders meeting. Shareholders may exercise their voting rights by way of a written ballot or by way of electronic transmission if the
voting decision is delivered to us two days before the commencement of the annual general or extraordinary shareholders meeting.

Any shareholder who has a personal interest in a matter to be discussed at shareholders meeting of the Company, the outcome of which may
impair interests of the Company, shall not vote or exercise voting rights on behalf of another shareholder on such matter.

Holders of the
Companys ADSs do not have the right to exercise voting rights with respect to the underlying shares of the Company, except as described in the Deposit Agreement.



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Other Rights of Shareholders

Under the ROC Company Act, dissenting shareholders are entitled to appraisal rights in certain major corporate actions such as a proposed
amalgamation by the company. If agreement with the company cannot be reached, dissenting shareholders may seek a court order for the company to redeem all of their shares. Shareholders may exercise their appraisal rights by serving written notice on
the company prior to or at the related shareholders meeting and/or by raising and registering an objection at the shareholders meeting. In addition to appraisal rights, shareholders have the right to sue for the annulment of any
resolution approved at a shareholders meeting where the procedures were legally defective within 30 days after the date of the shareholders meeting. One or more shareholders who have held 3% or more of the issued and outstanding shares
of a company for a period of one year or longer may require an independent director to bring a derivative action on behalf of the company against a director as a result of the directors unlawful actions or failure to act.

One or more shareholders who have held 3% or more of the issued and outstanding shares may institute an action with a court to remove a
director who has materially violated the applicable laws or the articles of incorporation of the Company or has materially damaged the interests of the Company if a resolution for removal on such grounds has first been voted on and rejected by the
shareholders and such suit is filed within thirty days of such shareholders vote.

One or more shareholders who have held 3% or more
of the issued and outstanding shares for one year or longer may request a court to appoint an inspector to examine the books, accounts and financial conditions of the Company. The court may, if it deems necessary based on the inspectors
report, order the independent director to convene the shareholders meeting.

Rights of Holders of Deposited Securities

The voting rights of a holder of the Company ADSs as to the Company shares represented by those the Company ADSs are governed by the Deposit
Agreement. Holders of ADSs will be able to exercise voting rights on an individual basis as follows: if a holder of the Company ADSs outstanding at the relevant record date instructs the depositary to vote in a particular manner for or against a
resolution, including the election of directors, the depositary will cause all the Company shares represented by such holders ADSs to be voted in that manner. If the depositary does not receive timely instructions from a holder of the Company
ADSs outstanding at the relevant record date to vote in a particular manner for or against any resolution, including the election of directors, such holders of the Company ADSs will be deemed to have instructed the depositary or its nominee to give
a discretionary proxy to a person designated by the Company to vote all the Company shares represented by such holders ADSs at the discretion of such person, which may not be in the interest of holders of the Company ADSs.

Register of Shareholders and Record Dates

The Companys share registrar, KGI Securities Co., Ltd., maintains the Companys register of shareholders. Under the ROC Company Act
and the articles of incorporation of the Company, the Company may, by giving advance public notice, set a record date and close the register of shareholders for a specified period in order for it to determine the shareholders or pledgees that are
entitled to rights pertaining to the Company shares. The specified period required is as follows:



| |  |  | annual general meeting60 days;
| | - |  | -------------------------------



| |  |  | extraordinary shareholders meeting30 days; and
| | - |  | ------------------------------------------------



| |  |  | relevant record date for distribution of dividends, bonuses or other interests 5 days.
| | - |  | ---------------------------------------------------------------------------------------

Annual
Financial Statements

At least ten days before the annual general meeting, the Companys annual financial statements, which are
prepared in conformity with Taiwan IFRS, must be available at the Companys principal executive office in Hsinchu, Taiwan for inspection by the shareholders.

Transfer of the Company shares

The
transfer of the Company shares in registered form is effected by endorsement and delivery of the related share certificates but, in order to assert shareholders rights against the Company, the transferee must have his name and address
registered on its register of shareholders. Shareholders are required to file their respective specimen seals, also known as chops, with the Company. Chops are official stamps widely used in Taiwan by individuals and other entities to authenticate
the execution of official and commercial documents. The settlement of trading in the Company shares is normally carried out on the book-entry system maintained by the Taiwan Depository & Clearing Corporation.



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Acquisition of the Company shares by us

Under the ROC Securities and Exchange Act, the Company may purchase the Company shares as treasury stock under limited circumstances,
including:



| |  |  | to transfer shares to the Companys employees;
| | - |  | ----------------------------------------------



| |  |  | to deliver shares upon the conversion or exercise of bonds with warrants, preferred shares with warrants, convertible bonds, convertible preferred shares or warrants issued by the Company; or
| | - |  | -----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------



| |  |  | to maintain the Companys credit and its shareholders equity, provided that the shares so purchased shall be cancelled.
| | - |  | ------------------------------------------------------------------------------------------------------------------------

The Company may purchase the Company shares on the TWSE or by means of a public tender offer. These transactions require the approval of a
majority of the board of the Company at a meeting in which at least two-thirds of the directors are in attendance. The total amount of the Company shares purchased for treasury stock may not exceed 10% of the
total issued shares. In addition, the total cost of the purchased shares shall not exceed the aggregate amount of the retained earnings, any premium from share issuances and the realized portion of the Companys capital reserve. The shares
purchased by the Company pursuant to the first two items above will be transferred to the intended transferees within three years of the purchase; otherwise the shares will be cancelled. For the shares to be cancelled under the third item above, the
Company is required to complete an amendment registration for the cancellation within six months of the purchase.

The Company may not
pledge or hypothecate any of its shares purchased by it. In addition, it may not exercise any shareholders right attaching to such shares. In the event that the Company purchases its shares on the TWSE, its affiliates, directors, managers, and
their respective spouses and minor children and/or nominees are prohibited from selling any shares of the Company during the period in which the Company is purchasing its shares.

Pursuant to the ROC Company Act, an entity in which the Company directly or indirectly owns more than 50% of the voting shares or paid-in capital, which is referred to as a controlled entity, may not purchase the Company shares. Also, if the Company and a controlled entity jointly own, directly or indirectly, more than 50% of the voting shares
or paid-in capital of another entity, which is referred to as a third entity, the third entity may not purchase shares in either the Company or a controlled entity.

Liquidation Rights

In the event of the
liquidation of the Company, the assets remaining after payment of all assets, liquidation expenses and taxes will be distributed pro rata to the shareholders in accordance with the relevant provisions of the ROC Company Act.

Transfer Restriction

Substantial
Shareholders

The ROC Securities and Exchange Act currently requires:



| |  |  | each director, manager, or substantial shareholder (that is, a shareholder who holds more than 10% shares of a company), and their respective spouses, minor children or nominees, to report any change in that
persons shareholding to the issuer of the shares and the FSC; and
| | - |  | ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------



| |  |  | each director, manager, or substantial shareholder, and their respective spouses, minor children or nominees, after acquiring the status of director, manager, or substantial shareholder for a period of six months, to
report his or her intent to transfer any shares on the TWSE to the FSC at least three days before the intended transfer, unless the number of shares to be transferred does not exceed 10,000 shares.
| | - |  | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------

In addition, the number of shares that can be sold or transferred on the TWSE by any person subject to the restrictions described above on any
given day may not exceed:



| |  |  | 0.2% of the outstanding shares of the company in the case of a company with no more than 30 million outstanding shares; or
| | - |  | --------------------------------------------------------------------------------------------------------------------------



| |  |  | 0.2% of 30 million shares plus 0.1% of the outstanding shares exceeding 30 million shares in the case of a company with more than 30 million outstanding shares; or
| | - |  | -------------------------------------------------------------------------------------------------------------------------------------------------------------------



| |  |  | in any case, 5% of the average trading volume (number of shares) on the TWSE for the ten consecutive trading days preceding the reporting day on which the director, manager or substantial shareholder reports the
intended share transfer to the FSC.
| | - |  | -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------



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These restrictions do not apply to sales or transfers of the Companys ADSs.

Material Contracts

We have entered into
the following contracts within the two years preceding the date of this Annual Report on Form 20-F that are or may be material:



| |  |  | On December 11, 2015, the board of the Company authorized and the Company signed the Tsinghua Share Subscription Agreement under which the Company will sell and issue 299,252,000 common shares to Tsinghua Unigroup
through the Private Placement at a price of NT$40.0 per share representing an aggregate purchase price of approximately NT$12.0 billion . On November 30, 2016, the Company and Tsinghua Unigroup mutually agreed to terminate the Tsinghua
Share Subscription Agreement.
| | - |  | -----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------



| |  |  | On December 11, 2015, the Company and Tsinghua Unigroup also executed the Strategic Alliance Agreement, designed to strengthen the long-term cooperation relationship between the two companies. Under the terms of
the Strategic Alliance Agreement, Tsinghua Unigroup would assist the Company in expanding and strengthening the relationship between the Company and companies relating to the assembly and test services of LCD drivers and wafer bumping services in
the PRC, and would introduce other potential suppliers, customers and business partners in the PRC to the Company. On November 30, 2016, the Company and Tsinghua Unigroup mutually agreed to terminate the Strategic Alliance Agreement.
| | - |  | --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------



| |  |  | On February 25, 2016, the Company and Tsinghua Unigroup executed the Subscriber Joinder Agreement, under which Tsinghua Unigroup assigned its obligations and liabilities under the Tsinghua Share Subscription
Agreement to Tibet MaoYe, which is a subsidiary controlled by Tsinghua Unigroup. From the execution of the Subscriber Joinder Agreement, Tibet MaoYe became the Subscriber defined in the Tsinghua Share Subscription Agreement and assumed
all the rights, benefits, liabilities and obligations incurred from the Tsinghua Share Subscription Agreement. On the same date, the Company and Tibet MaoYe executed the Tibet MaoYe Share Subscription Agreement, the substantive content of which is
consistent with the Tsinghua Share Subscription Agreement.
| | - |  | --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------



| |  |  | On January 21, 2016, ChipMOS Bermuda and the Company entered into the Merger Agreement, pursuant to which ChipMOS Bermuda merged with and into the Company, with the Company being the surviving company after the
Merger. Pursuant to the terms and subject to the conditions set forth in the Merger Agreement, at the Effective Time, each ChipMOS Bermuda share issued and outstanding immediately prior to the Effective Time was cancelled and, in exchange, each
former holder of such cancelled ChipMOS Bermuda share was entitled to receive, with respect to each such ChipMOS Bermuda share, (i) 0.9355 ADS, representing 18.71 the Company shares, each ADS representing 20 common shares of the Company, and
(ii) US$3.71 in cash, without interest, net of any applicable withholding tax. Upon completion of the Merger, the Company and its subsidiaries owned continued to conduct the business that they conducted in substantially the same manner. The
Merger was effective on October 31, 2016.
| | - |  | --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------



| |  |  | On May 16 2016, the Company obtained a syndicated loan facility from banks in Taiwan in the amount of NT$13.2 billion (US$407 million) separated into two parts with term of five years. This loan facility was
used to refinance the existing bank debts and for general corporate purposes.
| | - |  | ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------



| |  |  | On November 30, 2016, the Company and Tsinghua Unigroup executed the Termination Agreement, under which the Company and Tsinghua Unigroup agreed to terminate the Share Subscription Agreement and Strategic Alliance
Agreement executed on December 11, 2015 and the Subscriber Joinder Agreement executed on February 25, 2016.
| | - |  | ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------



| |  |  | On November 30, 2016, the Company and Tibet MaoYe executed the Termination Agreement, under which the Company and Tibet MaoYe agreed to terminate the Subscriber Joinder Agreement executed on February 25, 2016.
| | - |  | -----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------



| |  |  | On November 30, 2016, ChipMOS BVI, Unigroup Guowei and the Company entered into the Equity Interest Transfer Agreement, pursuant to which Unigroup Guowei will purchase 48% equity interests of ChipMOS Shanghai.
| | - |  | -----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------



| |  |  | On November 30, 2016, ChipMOS BVI and Gongqingcheng Changhou Investment Management Ltd. (Gongqingcheng Changhou) entered into the Equity Interest Transfer Agreement, pursuant to which Gongqingcheng Changhou
will purchase 2% equity interests of ChipMOS Shanghai.
| | - |  | -----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------



| |  |  | On November 30, 2016, ChipMOS BVI and Accretech (China) Co., Ltd. (Accretech (China)) entered into the Equity Interest Transfer Agreement, pursuant to which Accretech (China) will purchase 1.4162% equity
interests of ChipMOS Shanghai.
| | - |  | --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------



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| |  |  | On November 30, 2016, ChipMOS BVI and Chao-Jung Tsai entered into the Equity Interest Transfer Agreement, pursuant to which Chao-Jung Tsai will purchase 1.3443% equity interests of ChipMOS Shanghai.
| | - |  | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------



| |  |  | On November 30, 2016, ChipMOS BVI and Shanghai Zuzhu Business Consulting Partnership (Limited Partnership) (Shanghai Zuzhu) entered into the Equity Interest Transfer Agreement, pursuant to which Shanghai
Zuzhu will purchase 0.9401% equity interests of ChipMOS Shanghai.
| | - |  | -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------



| |  |  | On November 30, 2016, ChipMOS BVI and Shih-Jye Cheng entered into the Equity Interest Transfer Agreement, pursuant to which Shih-Jye Cheng
will purchase 1.1202% equity interests of ChipMOS Shanghai.
| | - |  | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------



| |  |  | On November 30, 2016, ChipMOS BVI and Shou-Kang Chen entered into the Equity Interest Transfer Agreement, pursuant to which Shou-Kang Chen will purchase 0.1240% equity interests of ChipMOS Shanghai.
| | - |  | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------



| |  |  | On November 30, 2016, ChipMOS BVI and David W. Wang entered into the Equity Interest Transfer Agreement, pursuant to which David W. Wang will purchase 0.0310% equity interests of ChipMOS Shanghai.
| | - |  | ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------



| |  |  | On November 30, 2016, ChipMOS BVI, Unigroup Guowei, Gongqingcheng Changhou, Accretech (China), Chao-Jung Tsai, Shanghai Zuzhu, Shih-Jye Cheng, Shou-Kang Chen, David W. Wang and
the Company entered into the Agreement for Sino-Foreign Equity Joint Venture, pursuant to which the parties agreed to operate ChipMOS Shanghais business together.
| | - |  | ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------

For additional information regarding the Merger see Item 4. Information on the CompanyOur Structure and History.

Please see also Item 7. Major Shareholders and Related Party Transactions for further summary information regarding the contracts
listed under Material Contracts that are with certain of our related parties.

Foreign Investment in the ROC

Since 1983, the ROC government has periodically enacted legislation and adopted regulations to permit foreign investment in the ROC securities
market.

On September 30, 2003, the ROC Executive Yuan approved an amendment to Regulations Governing Investment in Securities by
Overseas Chinese and Foreign National, or the Regulations, which took effect on October 2, 2003. According to the Regulations, the ROC Financial Supervisory Commission (the ROC FSC) abolished the mechanism of the so-called qualified foreign institutional investors and general foreign investors as stipulated in the Regulations before the amendment.

Under the Regulations, foreign investors are classified as either onshore foreign investors or offshore foreign
investors according to their respective geographical location. Both onshore and offshore foreign investors are allowed to invest in ROC securities after they register with the TWSE. The Regulations further classify foreign investors into
foreign institutional investors and foreign individual investors. Foreign institutional investors refer to those investors incorporated and registered in accordance with foreign laws outside of the ROC (i.e., offshore foreign
institutional investors) or their branches set up and recognized within the ROC (i.e., onshore foreign institutional investors). Offshore overseas Chinese and foreign individual investors may be subject to a maximum investment ceiling that will be
separately determined by the ROC FSC after consultation with the Central Bank of the Republic of China (Taiwan). Currently, there is no maximum investment ceiling for offshore overseas investment in the ROC securities market.

Except for certain specified industries, such as telecommunications, investments in ROC-listed
companies by foreign investors are not subject to individual or aggregate foreign ownership limits. Custodians for foreign investors are required to submit to the Central Bank of the Republic of China (Taiwan) and the TWSE a monthly report of
trading activities and status of assets under custody and other matters. Capital remitted to the ROC under these guidelines may be remitted out of the ROC at any time after the date the capital is remitted to the ROC. Capital gains and income on
investments may be remitted out of the ROC at any time.

Foreign investors (other than foreign investors who have registered with the TWSE
for making investments in the ROC securities market) who wish to make direct investments in the shares of ROC companies are required to submit a foreign investment approval application to the MOEAIC or other applicable government authority. The
Investment Commission or such other government authority reviews each foreign investment approval application and approves or disapproves each application after consultation with other governmental agencies (such as the Central Banks of the Republic
of China (Taiwan)) and the ROC FSC.



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Under current ROC law, any non-ROC person possessing a
foreign investment approval may repatriate annual net profits, interest and cash dividends attributable to the approved investment. Stock dividend attributable to this investment, investment capital and capital gains attributable to this investment
may be repatriated by the non-ROC person possessing a foreign investment approval after approvals of the MOEAIC or other government authorities have been obtained.

In addition to the general restriction against direct investment by non-ROC persons in securities of
ROC companies, non-ROC persons (except in certain limited cases) are currently prohibited from investing in certain industries in the ROC pursuant to a negative list, as amended by the ROC
Executive Yuan. The prohibition on foreign investment in the prohibited industries specified in the negative list is absolute in the absence of a specific exemption from the application of the negative list. Pursuant to the negative list, certain
other industries are restricted so that non-ROC person (except in limited cases) may invest in these industries only up to a specified level and with the specific approval of the relevant competent authority
that is responsible for enhancing the relevant legislation that the negative list is intended to implement

The ROC FSC announced on
April 30, 2009 the Regulations Governing Mainland Chinese Investors Securities Investments (PRC Regulations) and amended the same on October 6, 2010. According to the PRC Regulations, a PRC QDII is allowed to invest in
ROC securities (including less than 10% shareholding of a ROC company listed in TWSE or Taipei Exchange). Nevertheless, the total investment amount of QDIIs cannot exceed US$500 million. For each QDII, the custodians of such QDII must apply
with the TWSE for the remittance amount for each QDII, which cannot exceed US$100 million, and QDII can only invest in the ROC securities market with the amount approved by the TWSE. In addition, QDIIs are currently prohibited from investing in
certain industries, and their investment of certain other industries in a given company is restricted to certain percentage pursuant to a list promulgated by the FSC and amended from time to time. PRC investors other than QDII, however, are
prohibited from making investments in a ROC company listed on the TWSE or the Taipei Exchange, unless with approval from the MOEAIC for its investment of 10% or more (or other percentage applicable to certain restricted industries) of the equity
interest of such ROC company.

In addition to investments permitted under the PRC Regulations, PRC investors who wish to make
(i) direct investment in the shares of ROC private companies or (ii) investments, individually or aggregately, in 10% or more (or other percentage applicable to certain restricted industries) of the equity interest of a ROC company listed
on the TWSE or Taipei Exchange are required to submit an investment approval application to the MOEAIC or other government authority. The Investment Commission of the ROC Ministry of Economic Affairs or such other government authority reviews
investment approval application and approved or disapproves each application after consultation with other governmental agencies. Furthermore, PRC investor who wishes to be elected as a ROC companys director or supervisor shall also submit an
investment approval application to the MOEAIC or other government authority for approval.

Depositary Receipts

In April 1992, the ROC FSC began allowing ROC companies listed on the TWSE, with the prior approval of the FSC, to sponsor the issuance and
sale of depositary receipts. The depositary receipts represent depositary shares. In December 1994, the ROC Ministry of Finance began allowing companies whose shares are listed on the Taipei Exchange also to sponsor the issuance and sale of
depositary receipts.

After the issuance of a depositary share, a holder of depositary receipts (other than citizens of the PRC and
entities organized under the laws of the PRC save for QDII or those which otherwise obtain the approval of MOEAIC) may request the depositary to either cause the underlying shares to be sold in the ROC and to distribute the sale proceeds to the
holder or to withdraw from the depositary receipt facility the shares represented by the depositary receipts to the extent permitted under the deposit agreement and transfer the shares to the holder.

Under the current ROC law, if you are a non-ROC holder of our ADSs, you must register with the TWSE as
a foreign investor before you will be permitted to withdraw the shares represented by the depositary receipts. In addition to obtaining registration with the TWSE, you must also (i) appoint a qualified local agent to, among other things, open a
securities trading account with a local securities brokerage firm and a bank account to remit funds, exercise shareholders rights and perform other functions as holders of ADSs may designate, (ii) appoint a custodian to hold the
securities and cash proceeds, confirm transactions, settle trades and report and declare other relevant information and; (iii) appoint a tax guarantor as guarantor for the full compliance of the withdrawing depositary receipt holders tax
filing and payment obligations in the ROC. A depositary receipt holder not registered as a foreign investor with the TWSE, or not has made the necessary appointments as outlined above, will be unable to hold or subsequently transfer the shares
withdrawn from the depositary receipt facility.



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No deposits of shares may be made in a depositary receipt facility and no depositary shares may
be issued against deposits without specific FSC approval, unless they are:



| | (i) | stock dividends;
| | --- | ----------------



| | (ii) | free distributions of shares;
| | ---- | -----------------------------



| | (iii) | due to the exercise by the depositary receipt holder preemptive rights in the event of capital increases for cash; or
| | ----- | ---------------------------------------------------------------------------------------------------------------------



| | (iv) | if permitted under the deposit agreement and custody agreement and within the amount of depositary receipts which have been withdrawn, due to the direct purchase by investors or purchase through the depositary on the
TWSE or Taipei Exchange or delivery by investors of the shares for deposit in the depositary receipt facility. In this event, the total number of depositary receipts outstanding after an issuance cannot exceed the number of issued depositary
receipts previously approved by the FSC in connection with the offering plus and ADSs issued pursuant to the events described in (i), (ii) and (iii) above.
| | ---- | --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------

The depositary, without obtaining further approvals from the Central Bank of the Republic of China (Taiwan) or any other governmental
authority or agency of the ROC, may convert NT dollars into other currencies, including US dollars, in respect of:



| |  |  | the proceeds of the sale of common shares represented by ADSs or received as share dividends with respect to the common shares and deposited into the depositary receipt facility; and
| | - |  | --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------



| |  |  | any cash dividend or distributions received from the common shares.
| | - |  | -------------------------------------------------------------------

In addition, the
depositary may also convert into NT dollars incoming payments for purchase of common shares for deposit in the depositary receipts facility against the creation of additional ADSs. If you withdraw the common shares underlying your ADSs and become a
holder of the Companys common shares, you may convert into NT dollars subscription payment for rights offerings. The depositary may be required to obtain foreign exchange payment approval from the Central Bank of the Republic of China (Taiwan)
on a payment-by-payment basis for conversion from NT dollars into foreign currencies of the proceeds from the sale of subscription rights of new common shares. Although
it is expected that the Central Bank of the Republic of China (Taiwan) will grant approval as routine matter, required approvals may not be obtained in a timely manner, or at all.

Exchange Controls

The ROC Foreign
Exchange Control Law and regulations provide that all foreign exchange transactions must be executed by banks designated by the FSC and by the Central Bank of the ROC to engage in such transactions. Current regulations favor trade-related or
service-related foreign exchange transactions. Consequently, foreign currency earned from exports of merchandise and services may now be retained and used freely by exporters, and all foreign currency needed for the importation of merchandise and
services may be purchased freely from the designated foreign exchange banks.

Apart from trade-related or service-related foreign exchange
transactions, ROC companies and individual residents of the ROC reaching the age of 20 years old may, without foreign exchange approval, remit foreign currency of up to US$50 million (or its equivalent) and US$5 million (or its equivalent)
to and from the ROC, respectively, in each calendar year. The above limits apply to remittances involving either a conversion of NT dollars into a foreign currency or a conversion of foreign currency into NT dollars. In addition, a requirement is
also imposed on all enterprises to register medium- and long-term foreign debt with the Central Bank of the ROC.

In addition, foreign
persons may, subject to specified requirements but without foreign exchange approval of the Central Bank of the ROC, remit to and from the ROC foreign currencies of up to US$100,000 (or its equivalent) per remittance if the required documentation is
provided to the ROC authorities. The above limit applies to remittances involving either a conversion of NT dollars into a foreign currency or a conversion of foreign currency into NT dollars. The above limit does not, however, apply to the
conversion of NT dollars into other currencies, including U.S. dollars, from the proceeds of a sale of any underlying shares withdrawn from a depositary receipt facility.



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ROC Taxation

The following summary constitutes the material ROC tax consequences of the ownership and disposition of our shares or ADSs by and to a non-resident individual or non-resident entity (referred to here as a non-ROC holder). As used in the preceding sentence, a
non-resident individual is a non-ROC national who owns the Company shares or ADSs and is not physically present in the ROC for 183 days or more during any
calendar year, and a non-resident entity is a corporation or a non-corporate body that owns the Company shares or ADSs, is organized under the laws of a
jurisdiction other than the ROC and has no fixed place of business or business agent in the ROC. Holders of our ADSs and shares should consult their own tax advisers concerning the tax consequences of owning our ADSs or shares and any other relevant
taxing jurisdiction to which they are subject.

Dividends

Dividends (whether in the form of cash or common shares) declared by the Company out of retained earnings and distributed to a non-ROC holder are subject to ROC withholding tax, currently at the rate of 20% (unless a preferable tax rate is provided under a tax treaty between the ROC and the jurisdiction where the non-ROC holder is a resident) on the amount of the distribution (in the case of cash dividends) or on the par value of the distributed the Company shares (in the case of stock dividends). The United States does not
have an income tax treaty with the ROC. A 10% undistributed earnings tax is imposed on an ROC company for its after-tax earnings generated after January 1, 1998 which are not distributed in the following
year. The undistributed earnings tax so paid will further reduce the retained earnings available for future distribution. When the Company declares a dividend out of those retained earnings, an amount in respect of the undistributed earnings tax, up
to a maximum amount of 5% of the dividend to be distributed, will be credited against the withholding tax imposed on the non-ROC holders.

Distributions of our shares or cash out of capital reserves will not be subject to withholding tax, except under limited circumstances.

Capital Gains

Starting
from January 1, 2016, capital gains realized upon the sale or other disposition of our shares are exempt from ROC income tax.

Sales
of our ADSs are not regarded as sales of ROC securities and thus any gains derived from transfers of our ADSs are not regarded as ROC-sourced income. Accordingly, any gains derived from transfers of our ADSs
by non- ROC holders are not currently subject to ROC income tax.

Securities Transaction Tax

Securities transaction tax will be imposed on the seller at the rate of 0.3% of the transaction price upon a sale of the Company
shares. Transfers of our ADSs are not subject to ROC securities transaction tax.

Subscription Rights

Distributions of statutory subscription rights for our shares in compliance with the ROC Company Act are currently not subject to ROC tax.
Sales of statutory subscription rights evidenced by securities are subject to securities transaction tax, currently at the rate of 0.3% of the gross amount received. Non-ROC holders are exempt from income tax
on capital gains from the sale of statutory subscription rights evidenced by securities. Proceeds derived from sales of statutory subscription rights which are not evidenced by securities are not subject to securities transaction tax but are subject
to income tax at a fixed rate of 20% of the income if the seller is a non-ROC holder. Subject to compliance with ROC law, the Company, in its sole discretion, may determine whether statutory subscription
rights are evidenced by securities.

Estate and Gift Tax

ROC estate tax is payable on any property within the ROC left by a deceased non-resident individual,
and ROC gift tax is payable on any property within the ROC donated by a non-resident individual. Estate tax and gift tax are currently imposed at the rate of 10%. Under the ROC Estate and Gift Tax Act, common
shares issued by ROC companies are deemed located in the ROC without regard to the location of the owner. It is unclear whether a holder of our ADSs will be considered to own our shares for this purpose.



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Tax Treaty

At present, the ROC has income tax treaties with Indonesia, Singapore, New Zealand, Australia, the United Kingdom, South Africa, Gambia,
Swaziland, Malaysia, Macedonia, the Netherlands, Senegal, Sweden, Belgium, Denmark, Israel, Vietnam, Paraguay, Hungary, France, India, Slovakia, Switzerland, Germany, Thailand Kiribati, Luxembourg Austria, Italy, Japan, Canada and Poland. These tax
treaties may limit the rate of ROC withholding tax on dividends paid with respect to common shares issued by ROC companies. A non-ROC holder of our ADSs may or may not be considered as the beneficial owner of
our shares for the purposes of such treaties. Accordingly, holders of our ADSs who wish to apply a reduced withholding tax rate that is provided under a tax treaty should consult their own tax advisers concerning such application. The United States
does not have an income tax treaty with the ROC.

Certain United States Federal Income Tax Consequences

The discussion below is for general information only and is not, and should not be interpreted to be, tax advice to any holder of our ADSs.
Each holder or a prospective holder of our ADSs is urged to consult his, her or its own tax advisor.

General

This section is a general summary of the material United States federal income tax consequences to U.S. Holders, as defined below, of the
ownership and disposition of our ADSs as of the date of this report. This summary is based on the provisions of the Internal Revenue Code of 1986, as amended, or the Code, the applicable Treasury regulations promulgated and proposed thereunder,
judicial decisions and current administrative rulings and practice, all of which are subject to change, possibly on a retroactive basis. The summary applies to you only if you hold our ADSs as a capital asset within the meaning of Section 1221
of the Code. The United States Internal Revenue Service, or the IRS, may challenge the tax consequences described below, and we have not requested, nor will we request, a ruling from the IRS or an opinion of counsel with respect to the United States
federal income tax consequences of acquiring, holding or disposing of our ADSs. This summary does not purport to be a comprehensive description of all the tax considerations that may be relevant to the ownership of our ADSs. In particular, the
discussion below does not cover tax consequences that depend upon your particular tax circumstances nor does it cover any state, local or foreign law, or the possible application of the United States federal estate or gift tax. You are urged to
consult your own tax advisors regarding the application of the United States federal income tax laws to your particular situation as well as any state, local, foreign and United States federal estate and gift tax consequences of the ownership and
disposition of our ADSs. In addition, this summary does not take into account any special United States federal income tax rules that apply to a particular U.S. or Non-U.S. Holder of our ADSs, including,
without limitation, the following:



| |  |  | a dealer in securities or currencies;
| | - |  | -------------------------------------



| |  |  | a trader in securities that elects to use a market-to-market method of accounting for its securities holdings;
| | - |  | --------------------------------------------------------------------------------------------------------------



| |  |  | a financial institution or a bank;
| | - |  | ----------------------------------



| |  |  | an insurance company;
| | - |  | ---------------------



| |  |  | a tax-exempt organization;
| | - |  | --------------------------



| |  |  | a person that holds our ADSs in a hedging transaction or as part of a straddle or a conversion transaction;
| | - |  | -----------------------------------------------------------------------------------------------------------



| |  |  | a person whose functional currency for United States federal income tax purposes is not the U.S. dollar;
| | - |  | --------------------------------------------------------------------------------------------------------



| |  |  | a person liable for alternative minimum tax;
| | - |  | --------------------------------------------



| |  |  | a person that owns, or is treated as owning, 10% or more, by voting power or value, of our outstanding common shares (including common shares represented by ADSs);
| | - |  | -------------------------------------------------------------------------------------------------------------------------------------------------------------------



| |  |  | certain former U.S. citizens and residents who have expatriated; or
| | - |  | -------------------------------------------------------------------



| |  |  | a person that receives our ADSs pursuant to the exercise of employee stock options or otherwise as compensation.
| | - |  | ----------------------------------------------------------------------------------------------------------------



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U.S. Holders

For purposes of the discussion below, you are a U.S. Holder if you are a beneficial owner of our ADSs who or that is:



| |  |  | an individual United States citizen or resident alien of the United States (as specifically defined for United States federal income tax purposes);
| | - |  | ---------------------------------------------------------------------------------------------------------------------------------------------------



| |  |  | a corporation, or other entity treated as a corporation for United States federal income tax purposes, created or organized in or under the laws of the United States, any State or the District of Columbia;
| | - |  | -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------



| |  |  | an estate whose income is subject to United States federal income tax regardless of its source; or
| | - |  | --------------------------------------------------------------------------------------------------



| |  |  | a trust (x) if a United States court can exercise primary supervision over the trusts administration and one or more United States persons are authorized to control all substantial decisions of the trust or
(y) that, if it was in existence on August 20, 1996, was treated as a United States person prior to that date and has a valid election in effect under applicable Treasury regulations to be treated as a United States person.
| | - |  | -----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------

If a partnership holds our ADSs, the tax treatment of a partner will generally depend upon the status of the partner and
upon the activities of the partnership. If you are a partnership holding our ADSs or a partner in such partnership, you should consult your tax advisor.

General

In general, a
U.S. holder who owns ADSs will be treated as the owner of the underlying shares represented by those ADSs for U.S. federal income tax purposes. Accordingly, no gain or loss will be recognized if a U.S. holder exchanges ADSs for the underlying shares
represented by those ADSs. The U.S. Treasury has expressed concern that parties to whom American depositary shares are released before shares are delivered to the depositary (pre-release), or
intermediaries in the chain of ownership between holders and the issuer of the security underlying the American depositary shares, may be taking actions that are inconsistent with the claiming of foreign tax credits by holders of American depositary
shares. These actions would also be inconsistent with the claiming of the preferential rate of tax, described below, applicable to dividends received by certain non-corporate holders. Accordingly, the
creditability of ROC taxes, and the availability of the preferential tax rate for dividends received by certain non-corporate U.S. holders, each as described below, could be affected by actions taken by such
parties or intermediaries.

Distributions

Subject to the passive foreign investment company (PFIC) rules discussed below, the amount of any cash distribution
(other than in liquidation) that you receive with respect to our ADSs plus the amount of any ROC taxes actually withheld thereform (described above in ROC Taxation) generally will be taxed to a U.S. holder as dividend income to the
extent such distribution does not exceed our current or accumulated earnings and profits (E&P), as calculated for U.S. federal income tax purposes. Such income will be includable in your gross income as ordinary income on the date of
receipt by the Depositary. Dividends received by individuals and certain other non-corporate U.S. holders from qualified foreign corporations are taxed at the rate of either 0 percent,
15 percent or 20 percent, depending upon the particular taxpayers U.S. federal income tax bracket; provided that the recipient-shareholder has held his or her shares as a beneficial owner for more than 60 days during the 121-day period beginning on the date which is 60 days before the shares ex-dividend date. A foreign corporation is a qualified foreign corporation if the
stock with respect to which it pays dividends is traded on an established securities market in the United States, provided that the foreign corporation is not a PFIC. Our ADSs are traded on an established securities market in the United States,
although we cannot guarantee that our ADSs will be so traded in the future. We do not expect to be treated as a PFIC for U.S. federal income tax purposes for the current taxable year or the foreseeable future. No assurance can be given, however,
that the IRS may not disagree and seek to treat us as a PFIC. If we were a PFIC with respect to a particular U.S. holder, dividends received from us would be taxed at regular ordinary income tax rates and certain other rules will apply. See
Passive Foreign Investment Company (PFIC), below. Holders of our ADSs should consult their own tax advisers regarding the availability of a reduced dividend tax rate in light of their own particular circumstances.

To the extent any distribution exceeds our E&P, the distribution will first be treated as a
tax-free return of capital to the extent of your adjusted tax basis in our ADSs and will be applied against and reduce such basis on a
dollar-for-dollar basis (thereby increasing the amount of gain and decreasing the amount of loss recognized on a subsequent disposition of such ADSs). To the extent that
such distribution exceeds your adjusted tax basis, the distribution will be taxed as gain recognized on a sale or exchange of our ADSs. However, because we do not maintain calculations of our E&P under U.S. federal income tax principles, it is
expected that distributions will generally be reported to U.S. holders as dividends. Because we are not a U.S. corporation, no dividends-received deduction will be allowed to corporations with respect to dividends paid by us.



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For United States foreign tax credit limitation purposes, dividends received on our ADSs will be
treated as foreign source income and will generally be passive category income, or in the case of certain holders, general category income. You may be eligible, subject to a number of complex limitations, to claim a foreign
tax credit in respect of ROC taxes actually withheld on dividends paid on our ADSs. The rules governing United States foreign tax credits are complex, and we recommend that you consult your tax advisor regarding the applicability of such rules to
you.

Sale, Exchange or Other Disposition of Our ADSs

Subject to the PFIC rules discussed below, generally, in connection with the sale, exchange or other taxable disposition of our ADSs:



| |  |  | you will recognize capital gain or loss equal to the difference (if any) between: the amount realized on such sale, exchange or other taxable disposition and your adjusted tax basis in such ADSs;
| | - |  | ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------



| |  |  | such gain or loss will be long-term capital gain or loss if your holding period for our ADSs is more than one year at the time of such sale or other disposition;
| | - |  | -----------------------------------------------------------------------------------------------------------------------------------------------------------------



| |  |  | such gain or loss will generally be treated as United States source for United States foreign tax credit purposes; and
| | - |  | ----------------------------------------------------------------------------------------------------------------------



| |  |  | your ability to deduct capital losses is subject to limitations.
| | - |  | ----------------------------------------------------------------

Long-term capital gains
recognized by individuals and certain other non-corporate taxpayers are taxed at preferential rates.

Passive Foreign Investment Company (PFIC)

We do not expect to be a PFIC for its current taxable year or the foreseeable future. However, a companys PFIC status is a legal and
factual determination that must be made annually and thus may be subject to change. If we were treated as a PFIC, gain realized on the sale or other disposition of the U.S. holders ADSs would in general not be treated as capital gain. Instead,
such gain would be allocated ratably over U.S. holders holding period for the ADSs. The amounts allocated to the taxable year of the sale or other disposition and to any year before we became a PFIC would be taxed as ordinary income. The
amount allocated to each other taxable year would be subject to tax at the highest rate in effect for such year, together with an interest charge on the tax attributable to each such year. If we were a PFIC for any a U.S. holders holding
period in the U.S. holders ADSs, it generally will continue to be treated as a PFIC with respect to the U.S. holder for all succeeding years during which the U.S. holder owns the ADSs. Dividends received from us will not be eligible for the
special tax rates applicable to qualified dividend income for certain non-corporate U.S. holders if we are treated as a PFIC with respect to the U.S. holder either in the taxable year of the distribution or
the preceding taxable year, but instead will be taxable at rates applicable to ordinary income. Further, any distribution in respect of our ADSs in excess of 125 percent of the average annual distributions on our ADSs received by the U.S.
holder during the preceding three years or the U.S. holders holding period, whichever is shorter, would be allocated ratably over the U.S. holders holding period for the ADSs and subject to taxation as described for sales or other
dispositions above. Certain elections may be available that would result in alternative treatments such as mark-to-market treatment of the ADSs.

3.8% Medicare Tax on Net Investment Income

Certain U.S. holders that are individuals, estates, and certain trusts are subject to a 3.8% tax on all or a portion of their net
investment income, which may include any gain realized or amounts received with respect to their ADSs, to the extent of their net investment income that, when added to their other modified adjusted gross income, exceeds $200,000 for an
unmarried individual, $250,000 for a married taxpayer filing a joint return (or a surviving spouse), or $125,000 for a married individual filing a separate return. U.S. holders should consult their own tax advisor with respect to the applicability
of the net investment income tax.

Information Reporting and Backup Withholding

Except in the case of corporations or other exempt holders, cash received by a U.S. holder in connection with dividends, if any, paid by
ChipMOS Taiwan to a U.S. holder may be subject to U.S. information reporting requirements and may be subject to backup withholding unless the U.S. holder provides an accurate taxpayer identification number and complies with certain certification
procedures or otherwise establishes an exemption from backup withholding. Backup withholding is not an additional tax and amounts withheld may be allowed as a credit against the U.S. holders U.S. federal income tax liability and may entitle
the U.S. holder to a refund, provided that certain required information is timely furnished to the IRS.



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U.S. holders who are individuals (and under proposed regulations, certain entities) and who own
specified foreign financial assets with an aggregate value in excess of $50,000 are generally required to file an information statement along with their tax returns, currently on IRS Form 8938, with respect to such assets.
Specified foreign financial assets include securities issued by a non-U.S. issuer (which would include the ADS) that are not held in accounts maintained by financial institutions. Higher reporting
thresholds apply to certain individuals living abroad and to certain married individuals. Individuals who fail to report the required information could be subject to substantial penalties, and such individuals should consult their own tax advisors
concerning the application of these rules to their investment in the ADSs.

TAX MATTERS CAN BE COMPLICATED. THE FOREGOING SUMMARY OF
MATERIAL U.S. FEDERAL INCOME TAX CONSEQUENCES IS NOT INTENDED TO BE A COMPLETE ANALYSIS OR DESCRIPTION OF ALL U.S. FEDERAL INCOME TAX CONSEQUENCES OF THE OWNERSHIP AND DISPOSITION OF THEADSs. IN ADDITION, THE SUMMARY DOES NOT ADDRESS TAX
CONSEQUENCES THAT DEPEND UPON INDIVIDUAL CIRCUMSTANCES. THIS SUMMARY DOES NOT ADDRESS ANY U.S. FEDERAL TAX OTHER THAN INCOME TAX OR ANY FOREIGN, STATE OR LOCAL TAX CONSIDERATIONS, NOR ANY TAX CONSEQUENCES OF ANY TRANSACTION OTHER THAN THE OWNERSHIP
AND DISPOSITION OF THE ADSs. ACCORDINGLY, YOU ARE STRONGLY URGED TO CONSULT YOUR OWN TAX ADVISOR TO DETERMINE THE PARTICULAR FEDERAL, STATE, LOCAL, OR FOREIGN INCOME OR OTHER TAX CONSEQUENCES OF THE OWNERSHIP AND DISPOSITION OF THE ADSs TO YOU.

Non-U.S. Holders

If you are not a U.S. Holder, you are a Non-U.S. Holder.

Distributions on Our ADSs

You generally will not be subject to U.S. federal income tax or withholding on distributions made on our ADSs unless:



| |  |  | you conduct a trade or business in the United States and
| | - |  | --------------------------------------------------------



| |  |  | the distributions are effectively connected with the conduct of that trade or business (and, if an applicable income tax treaty so requires as a condition for you to be subject to U.S. federal income tax on a profit for
the year basis in respect of income from ADSs, such distributions are attributable to a permanent establishment that you maintain in the United States).
| | - |  | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------

If you meet the two tests above, you generally will be subject to tax in respect of such dividends in the same manner as a U.S. Holder, as
described above. In addition, any effectively connected dividends received by a non-U.S. corporation may also, under certain circumstances, be subject to an additional branch profits tax at a
30 percent rate or such lower rate as may be specified by an applicable income tax treaty.

Sale, Exchange or Other Disposition of
Our ADSs

Generally, you will not be subject to U.S. federal income tax or withholding in respect of gain recognized on a sale or other
disposition of our ADSs unless:



| |  |  | your gain is effectively connected with a trade or business that you conduct in the United States (and, if an applicable income tax treaty so requires as a condition for you to be subject to U.S. federal income tax on a
profit for the year basis in respect of gain from the sale or other disposition of our ADSs, such gain is attributable to a permanent establishment maintained by you in the United States), or
| | - |  | ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------



| |  |  | you are an individual Non-U.S. Holder and are present in the United States for at least 183 days in the taxable year of the sale or other disposition, and certain other conditions
exist.
| | - |  | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------

You will be subject to tax in respect of any gain effectively connected with your conduct of a trade or business in
the United States generally in the same manner as a U.S. Holder, as described above. Effectively connected gains realized by a non-U.S. corporation may also, under certain circumstances, be subject to an
additional branch profits tax at a rate of 30 percent or such lower rate as may be specified by an applicable income tax treaty.



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Backup Withholding and Information Reporting

Payments, including dividends and proceeds of sales, in respect of our ADSs that are made in the United States or by a United States related
financial intermediary will be subject to United States information reporting rules. In addition, such payments may be subject to United States federal backup withholding. You will not be subject to backup withholding provided that:



| |  |  | you are a corporation or other exempt recipient, or
| | - |  | ---------------------------------------------------



| |  |  | you provide your correct United States federal taxpayer identification number and certify, under penalties of perjury, that you are not subject to backup withholding.
| | - |  | ----------------------------------------------------------------------------------------------------------------------------------------------------------------------

Amounts withheld under the backup withholding rules may be credited against your United States federal income tax, and you may obtain a refund
of any excess amounts withheld under the backup withholding rules by filing the appropriate claim for refund with the IRS in a timely manner.

Documents on Display

We
are subject to the information requirements of the Securities Exchange Act of 1934, as amended. In accordance with these requirements, we file reports and other information with the SEC. These materials may be inspected and copied at the
Commissions Public Reference Room at 100 F Street, N.E., Washington, D.C. 20549. The public may obtain information on the operation of the Commissions Public Reference Room by calling the Commission in the
United States at 1-800-SEC-0330. The Commission also maintains a web site at http://www.sec.gov that contains reports,
proxy statements and other information regarding registrants that file electronically with the Commission.



|Item 11. | Quantitative and Qualitative Disclosure about Market Risk
|-------- | ---------------------------------------------------------

Market Risks

Our exposure to financial market risks relates primarily to changes in interest rates and foreign exchange rates. To mitigate these risks, we
utilize derivative financial instruments, the application of which is primarily for hedging, and not for speculative, purposes.

Interest Rate Risks

As
of December 31, 2016, we had aggregate debts outstanding of NT$10,750 million (US$332 million), which was incurred for capital expenditure and general operating expenses. Of our outstanding debts as of December 31, 2016, 100% bear
interest at variable rates. The interest rate for the majority of our variable rate debts varies based on a fixed percentage spread over the prime rate established by our lenders. Our variable rate debts had an annual weighted average interest rate
of 1.7895% as of December 31, 2016. Accordingly, we have cash flows and earnings exposure due to market interest rate changes for our variable rate debts. An increase in interest rates of 1% would increase our annual interest charge by
NT$108 million (US$3 million) based on our outstanding floating rate indebtedness as of December 31, 2016.

As of
December 31, 2015 and 2016, we had no interest rate swap agreements outstanding.

Foreign Currency Exchange Rate Risks

Our foreign currency exposure gives rise to market risks associated with exchange rate movements against the NT dollar, the Japanese yen and
the US dollar. As of December 31, 2016, 51.5% of our financial assets and 3.0% of our financial liabilities are denominated in the US dollar and Japanese yen, respectively. We do not hold or issue any derivative for trading purposes or to hedge
against fluctuations in foreign exchange rates. We mitigate this risk by conducting sales and purchases transactions in the same currency. These hedging transactions help to reduce, but do not eliminate, the impact of foreign currency exchange rate
movements. An average appreciation of the NT dollar against all other relevant foreign currencies of 5% would decrease our exchange gain by NT$285 million (US$9 million) based on our outstanding assets and liabilities denominated in foreign
currencies as of December 31, 2016. As of December 31, 2015 and 2016, we had no outstanding forward exchange or foreign currency option contracts.

See Note 36 of our audited consolidated financial statements for additional information on financial risk management.



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|Item 12. | Description of Securities Other Than Equity Securities
|-------- | ------------------------------------------------------

American Depositary Shares

Depositary Fees

Under the
terms of the Deposit Agreement for our ADSs, an ADS holder will be required to pay the following service fees to the depositary bank:



|                                                                                                                                                                                                          |  |                                                                                                                     
|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |  | --------------------------------------------------------------------------------------------------------------------
|Service                                                                                                                                                                                                   |  | Fees                                                                                                                
|                                                                                                                                                                                                          | 
|(1)    Issuance of ADSs (i.e., an issuance upon a deposit of Shares or upon a
change in the ADS(s)-to-Share(s) ratio), excluding issuances as a result of distributions described in paragraph (4) below. |  | Up to US$5.00 per 100 ADS (or fraction thereof) issued.                                                             
|                                                                                                                                                                                                          | 
|(2)    Cancellation of ADSs (i.e., a cancellation of ADSs for delivery of
deposited Shares or upon a change in the ADS(s)-to-Share(s) ratio).                                                             |  | Up to US$5.00 per 100 ADS (or fraction thereof) cancelled.                                                          
|                                                                                                                                                                                                          | 
|(3)    Distribution of cash dividends or other cash distributions (i.e., upon
a sale of rights and other entitlements).                                                                                   |  | Up to US$5.00 per 100 ADS (or fraction thereof) held.                                                               
|                                                                                                                                                                                                          | 
|(4)    Distribution of ADSs pursuant to (i) stock dividends or other free
stock distributions, or (ii) an exercise of rights to purchase additional ADSs.                                                 |  | Up to US$5.00 per 100 ADS (or fraction thereof) held.                                                               
|                                                                                                                                                                                                          | 
|(5)    Distribution of securities other than ADSs or rights to purchase
additional ADSs (i.e., spin-off shares).                                                                                          |  | Up to US$5.00 per 100 ADS (or fraction thereof) held.                                                               
|                                                                                                                                                                                                          | 
|(6)    ADS Services.                                                                                                                                                                                      |  | Up to US$5.00 per 100 ADS (or fraction thereof) held on the applicable record date(s) established by the Depositary.

Depositary Charges

As an holder of our ADSs, you will also be responsible to pay certain charges such as:



| | (i) | taxes (including applicable interest and penalties) and other governmental charges;
| | --- | -----------------------------------------------------------------------------------



| | (ii) | such registration fees as may from time to time be in effect for the registration of Shares or other Deposited Securities on the share register and applicable to transfers of Shares or other Deposited Securities to or
from the name of the Custodian, the Depositary or any nominees upon the making of deposits and withdrawals, respectively;
| | ---- | ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------



| | (iii) | such cable, telex and facsimile transmission and delivery expenses as are expressly provided in the Deposit Agreement to be at the expense of the person depositing Shares or withdrawing Deposited Securities or of the
Holders and Beneficial Owners of ADSs;
| | ----- | ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------



| | (iv) | the expenses and charges incurred by the Depositary in the conversion of foreign currency;
| | ---- | ------------------------------------------------------------------------------------------



| | (v) | such fees and expenses as are incurred by the Depositary in connection with compliance with exchange control regulations and other regulatory requirements applicable to Shares, Deposited Securities, ADSs and ADRs; and
| | --- | -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------



| | (vi) | the fees and expenses incurred by the Depositary, the Custodian, or any nominee in connection with the servicing or delivery of Deposited Property.
| | ---- | ---------------------------------------------------------------------------------------------------------------------------------------------------



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All ADS fees and charges so payable may be deducted from distributions or must be remitted to the
Depositary, or its designee, and may, at any time and from time to time, be changed by agreement between the Depositary and the Company, but, in the case of ADS fees and charges payable by Holders and Beneficial Owners, only in the manner
contemplated in the Deposit Agreement. The Depositary shall provide, without charge, a copy of its latest ADS fee schedule to anyone upon request.

ADS fees and charges payable upon (i) the issuance of ADSs and (ii) the cancellation of ADSs will be payable by the person to whom
the ADSs are so issued by the Depositary (in the case of ADS issuances) and by the person who ADSs are being cancelled (in the case of ADS cancellations). In the case of ADSs issued by the Depositary into DTC or presented to the Depositary via DTC,
the ADS issuance and cancellation fees and charges will be payable by the DTC Participant(s) receiving the ADSs from the Depositary or the DTC Participant(s) holding the ADSs being cancelled, as the case may be, on behalf of the Beneficial Owner(s)
and will be charged by the DTC Participant(s) to the account(s) of the applicable Beneficial Owner(s) in accordance with the procedures and practices of the DTC participant(s) as in effect at the time. ADS fees and charges in respect of
distributions and the ADS service fee are payable by Holders as of the applicable ADS Record Date established by the Depositary. In the case of distributions of cash, the amount of the applicable ADS fees and charges is deducted from the funds being
distributed. In the case of (i) distributions other than cash and (ii) the ADS service fee, the applicable Holders as of the ADS Record Date established by the Depositary will be invoiced for the amount of the ADS fees and charges and such
ADS fees may be deducted from distributions made to Holders. For ADSs held through DTC, the ADS fees and charges for distributions other than cash and the ADS service fee may be deducted from distributions made through DTC, and may be charged to the
DTC Participants in accordance with the procedures and practices prescribed by DTC from time to time and the DTC Participants in turn charge the amount of such ADS fees and charges to the Beneficial Owners for whom they hold ADSs.

The Depositary may reimburse the Company for certain expenses incurred by the Company in respect of the ADR program established pursuant to the
Deposit Agreement, by making available a portion of the ADS fees charged in respect of the ADR program or otherwise, upon such terms and conditions as the Company and the Depositary agree from time to time. The Company shall pay to the Depositary
such fees and charges, and reimburse the Depositary for such out-of-pocket expenses, as the Depositary and the Company may agree from time to time. Responsibility for
payment of such fees, charges and reimbursements may from time to time be changed by agreement between the Company and the Depositary. Unless otherwise agreed, the Depositary shall present its statement for such fees, charges and reimbursements to
the Company once every three months. The charges and expenses of the Custodian are for the sole account of the Depositary.

The obligations
of Holders and Beneficial Owners to pay ADS fees and charges shall survive the termination of the Deposit Agreement. As to any Depositary, upon the resignation or removal of such Depositary as described in the Deposit Agreement, the right to collect
ADS fees and charges shall extend for those ADS fees and charges incurred prior to the effectiveness of such resignation or removal.

Depositary
Payment

In 2016, none expenses (SEC filing and maintenance fees, listing fees etc.) was reimbursed by Citibank N.A., the Depositary
for our ADR program.



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PART II



|Item 13. | Defaults, Dividend Arrearages and Delinquencies
|-------- | -----------------------------------------------

None.



|Item 14. | Material Modifications to the Rights of Security Holders and Use of Proceeds
|-------- | ----------------------------------------------------------------------------

Not
applicable.



|Item 15. | Controls and Procedures
|-------- | -----------------------

Disclosure Controls and Procedures. An evaluation was
carried out under the supervision and with the participation of our management, including our President and Chief Financial Officer, the principal executive and principal financial officers, of the effectiveness of our disclosure controls and
procedures (as defined in Rule 13a-15(e) of the Securities Exchange Act of 1934, as amended). Based upon that evaluation, the President and Chief Financial Officer concluded that, our disclosure controls and
procedures were effective as of December 31, 2016.

Managements Annual Report on Internal Control Over Financial
Reporting. Managements Annual Report on Internal Control Over Financial Reporting is set forth below.

Managements
Annual Report on Internal Control Over Financial Reporting

April 20, 2017

Management of ChipMOS TECHNOLOGIES INC. (together with its consolidated subsidiaries, the Company) is responsible for establishing
and maintaining adequate internal control over financial reporting (as defined in Rule 13a-15(f) of the Securities Exchange Act of 1934, as amended). The Companys internal control over financial
reporting is a process designed under the supervision of the Companys President and Chief Financial Officer, the principal executive and principal financial officers, to provide reasonable assurance regarding the reliability of financial
reporting and the preparation of the Companys financial statements for external reporting purposes in accordance with International Financial Reporting Standards as issued by the International Accounting Standards Board.

As of December 31, 2016, the Companys management, with the participation of the Companys President and Chief Financial
Officer conducted an assessment of the effectiveness of the Companys internal control over financial reporting using criteria set forth in Internal Control  Integrated Framework (2013) issued by the Committee of Sponsoring
Organizations of the Treadway Commission (COSO). Based on this assessment, the Companys management has concluded that the Companys internal control over financial reporting was effective as of December 31, 2016.

Our internal control over financial reporting as of December 31, 2016 has been audited by PricewaterhouseCoopers, Taiwan, an independent
registered public accounting firm, as stated in their report included in this Annual Report on Form 20-F.



|                   |  |                        |  |                    |  |        |  |                        
|------------------ |  | ---------------------- |  | ------------------ |  | ------ |  | -----------------------
|/s/ Shih-Jye Cheng |  |                        |  | /s/ Shou-Kang Chen
|Name:              |  | Shih-Jye Cheng         |  |                    |  | Name:  |  | Shou-Kang Chen         
|Title:             |  | Chairman and President |  |                    |  | Title: |  | Chief Financial Officer



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Changes in Internal Control Over Financial Reporting. Management has evaluated whether any
changes in our internal control over financial reporting that occurred during our last fiscal year have materially affected, or reasonably likely too materially affect, our internal control over financial reporting. A material weakness is a
deficiency, or a combination of deficiencies, in internal control over financial reporting, such that there is a reasonable possibility that a material misstatement of the Companys annual or interim financial statements will not be prevented
or detected on a timely basis. As of December 31, 2015, management has concluded that the Companys internal control over financial reporting was not effective because of a material weakness related to the lack of a formalized process for
the review and approval of the accounting treatment for significant and infrequent / complex transactions. This material weakness resulted in the restatement of equity attributable to equity holders of the Company and
non-controlling interest as of September 30, 2015 as well as an audit adjustment proposed by the independent auditors for the audit of the consolidated financial statements for the year ended
December 31, 2015. In April 2016, the Company established a formalized process for all significant and/or complex non-recurring transactions. A detailed assessment and analysis is performed to ensure
proper accounting treatment for such transactions. Assessments performed are reviewed by the respective function manager, who is responsible for the transactions and is knowledgeable with the transaction details. The assessments are then approved by
higher level of personnel including the principal financial officer. Upon posting journal entries related to the significant non-recurring transactions, a one-for-one check is completed by the approving manager to the source documents and assessment performed to ensure the entry is recorded correctly and in the proper period.



|Item 16A. | Audit Committee Financial Expert
|--------- | --------------------------------

Our Board of Directors have determined that Chin-Shyh
Ou, one of our independent directors, qualified as audit committee financial expert and meets the independence requirement as defined in Item 16A to Form 20-F.



|Item 16B. | Code of Ethics
|--------- | --------------

We have adopted a Code of Ethics and Business Conduct, which applies to
our employees and contract workers. A copy of our Code of Ethics and Business Conduct is filed as Exhibit 11.1 to this Annual Report on Form 20-F.



|Item 16C. | Principal Accountant Fees and Services
|--------- | --------------------------------------

The table below summarizes the aggregate fees
that we paid or accrued for services provided by TIAOHO & CO. (TIAOHO), Moore Stephens CPA Limited and PricewaterhouseCoopers, Taiwan (PwC Taiwan) for the years ended December 31, 2015 and 2016.



|                   |  |                |        |  |      |   |        | 
|------------------ |  | -------------- | ------ |  | ---- | - | ------ | 
|                   |  | 2015           |        |  | 2016 |  
|                   |  | NT$            |        |  | NT$  |  
|                   |  | (In thousands) |       
|Audit Fees         |  | $              | 26,644 |  |      | $ | 15,200 | 
|Audit Related Fees |  |                | 190    |  |      |   | 7,300  | 
|Tax Fees           |  |                | 1,850  |  |      |   | 1,850  | 
|All Other Fees     |  |                | 500    |  |      |   | 470    | 
|                   |  |                |        |  |      |   |        | 
|Total              |  | $              | 29,184 |  |      | $ | 24,820 | 
|                   |  |                |        |  |      |   |        | 

Audit Fees. This category includes the audit of our annual financial statements and services that are
provided by the independent auditors in connection with our annual financial statements, internal control over financial reporting, quarterly financial statements, and related statutory and regulatory filings.

Audit-Related Fees. This category includes fees reasonably related to the performance of the audit or review of our financial
statements and not included in the category of Audit Fees (described above).

Tax Fees. This category includes aggregate fees for
respective years for services relating to tax compliance, advice and planning.

All Other Fees. This category includes aggregate
fees for respective years for services other than the services included in the above.

All
non-audit services are pre-approved by our Audit Committee on a case-by-case basis.
Accordingly, we have not established any pre-approval policies and procedures.



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All audit services that PwC Taiwan was engaged from August 28, 2015 and Moore Stephens CPA
Limited were engaged to carry out after May 6, 2003, the effective date of revised Rule 2-01(c)(7) of Regulation S-X entitled Audit Committee Administration
of the Engagement on strengthening requirements regarding auditor independence, were pre-approved by the Audit Committee.



|Item 16D. | Exemptions from the Listing Standards for Audit Committees
|--------- | ----------------------------------------------------------

Not applicable.



|Item 16E. | Purchases of Equity Securities by the Issuer and Affiliated Purchasers
|--------- | ----------------------------------------------------------------------

Repurchase
Programs.

On August 10, 2015, the board of directors adopted on a share repurchase program to repurchase up to 20.0 million of
our shares through open market transactions at a price no more than NT$41.34 per share during the period from August 11, 2015 to October 10, 2015. On September 18, 2015, we completed this share repurchase program under which we
repurchased 20.0 million shares for approximately NT$634 million. The repurchased shares were retired and cancelled. (Repurchase Program I)

On February 4, 2016, the board of directors adopted on a share repurchase program to repurchase up to 15.0 million of our shares
through open market transactions at a price no more than NT$40.00 per share during the period from February 5, 2016 to April 4, 2016. The purpose for the above share repurchase is to boost the morale of the employees and therefore such
repurchased shares will be transferred to the employees of the Company. On April 1, 2016, we completed this share repurchase program under which we repurchased 15.0 million shares for approximately NT$511 million (US$16 million).
(Repurchase Program II)

On May 12, 2016, the board of directors adopted on a share repurchase program to repurchase up to
15.0 million of our shares through open market transactions at a price no more than NT$40.00 per share during the period from May 13, 2016 to July 12, 2016. The purpose for the above share repurchase is to boost the morale of the
employees and therefore such repurchased shares will be transferred to the employees of the Company. On July 1, 2016, we completed this share repurchase program under which we repurchased 15.0 million shares for approximately
NT$494 million (US$15 million). (Repurchase Program III)

Other repurchases.

On September 14, 2016, we repurchased 85 thousand shares from our dissenting shareholders in accordance with the Merger of the
Company and ChipMOS Bermuda which was effective on October 31, 2016.

The table sets forth certain information about the purchase of
our common shares by the Issuers repurchase programs in the periods indicated.



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Purchases of Equity Securities by the Issuer



|                                                |  |                                |            |  |                                  |  |       |                                                                              |  |  |                                                                                              |  |  |  |                | 
|----------------------------------------------- |  | ------------------------------ | ---------- |  | -------------------------------- |  | ----- | ---------------------------------------------------------------------------- |  |  | -------------------------------------------------------------------------------------------- |  |  |  | -------------- | 
|Period                                          |  | Total Numberof SharesPurchased |            |  | Average PricePaid PerShare (NT$) |  |       | Total Number ofShares Purchasedas Part ofPublicly AnnouncedPlans or Programs |  |  | Maximum DollarValue of Sharesthat May Yet BePurchased Underthe Plans orPrograms(NT$ Million) | 
|August  September, 2015 (Repurchase Program I) |  |                                |            |  |                                  |  |       |                                                                              |  |  |                                                                                              |  |  |  |                | 
|August 2015                                     |  |                                | 10,083,000 |  |                                  |  |       |                                                                              |  |  |                                                                                              |  |  |  |                | 
|September 2015                                  |  |                                | 9,917,000  |  |                                  |  |       |                                                                              |  |  |                                                                                              |  |  |  |                | 
|                                                |  |                                | 20,000,000 |  |                                  |  | 31.69 |                                                                              |  |  | 20,000,000                                                                                   |  |  |  | None           | 
|February  April, 2016 (Repurchase Program II)  |  |                                |            |  |                                  |  |       |                                                                              |  |  |                                                                                              |  |  |  |                | 
|February 2016                                   |  |                                | 3,990,000  |  |                                  |  |       |                                                                              |  |  |                                                                                              |  |  |  |                | 
|March 2016                                      |  |                                | 10,556,000 |  |                                  |  |       |                                                                              |  |  |                                                                                              |  |  |  |                | 
|April 2016                                      |  |                                | 454,000    |  |                                  |  |       |                                                                              |  |  |                                                                                              |  |  |  |                | 
|                                                |  |                                | 15,000,000 |  |                                  |  | 34.05 |                                                                              |  |  | 15,000,000                                                                                   |  |  |  | None           | 
|May  July, 2016 (Repurchase Program III)       |  |                                |            |  |                                  |  |       |                                                                              |  |  |                                                                                              |  |  |  |                | 
|May 2016                                        |  |                                | 5,184,000  |  |                                  |  |       |                                                                              |  |  |                                                                                              |  |  |  |                | 
|June 2016                                       |  |                                | 9,371,000  |  |                                  |  |       |                                                                              |  |  |                                                                                              |  |  |  |                | 
|July 2016                                       |  |                                | 445,000    |  |                                  |  |       |                                                                              |  |  |                                                                                              |  |  |  |                | 
|                                                |  |                                | 15,000,000 |  |                                  |  | 32.95 |                                                                              |  |  | 15,000,000                                                                                   |  |  |  | None           | 
|September 2016 (Other Repurchase)(1)            |  |                                |            |  |                                  |  |       |                                                                              |  |  |                                                                                              |  |  |  |                | 
|September 2016                                  |  |                                | 85,000     |  |                                  |  |       |                                                                              |  |  |                                                                                              |  |  |  |                | 
|                                                |  |                                | 85,000     |  |                                  |  | 31.10 |                                                                              |  |  |                                                                                              |  |  |  | Not Applicable | 
|                                                |  |                                |            |  |                                  |  |       |                                                                              |  |  |                                                                                              |  |  |  |                | 
|Total                                           |  |                                | 50,085,000 |  |                                  |  |       |                                                                              |  |  | 50,000,000                                                                                   |  |  |  |                | 
|                                                |  |                                |            |  |                                  |  |       |                                                                              |  |  |                                                                                              |  |  |  |                | 



Note:

|(1) | The shares repurchased from our dissenting shareholders.
|--- | --------------------------------------------------------



|Item 16F. | Change in Registrants Certifying Accountant
|--------- | --------------------------------------------

TIAOHO, an independent accountant
previously engaged as the principal accountant to audit the Companys financial statements, was terminated by the Company as the Companys principal accountant effective on August 28, 2015. The Company engaged PwC Taiwan, a new
independent accountant, as the principal accountant to audit the Companys financial statements effective on August 28, 2015. TIAOHO did not provide any report on the Companys financial statements for either of the past two years.

TIAOHO did not provide any report on the Companys financial statements that contained an adverse opinion or a disclaimer of
opinion, or was qualified or modified as to uncertainty, audit scope, or accounting principles.

PwC Taiwans report on the
Companys financial statements for the past two years contained no adverse opinion and no disclaimer of opinion, and was not qualified or modified as to uncertainty, audit scope, or accounting principles.

The decision to change the Companys certifying accountants was recommended and approved by the Companys Audit Committee and by the
Companys Board of Directors on August 28, 2015.

There were no disagreements between TIAOHO and the Company on any matter of
accounting principles or practices, financial statement disclosure, or auditing scope or procedure preceding TIAOHOs termination during the Companys two most recent fiscal years. No reportable events (as that term is defined
in Form 20-F Item 16F(a)(1)(v)) occurred preceding TIAOHOs termination during the Companys two most recent fiscal years. No interim period subsequent to the Companys two most recent fiscal
years preceded TIAOHOs resignation.

The Company provided TIAOHO with a copy of the disclosures that the Company is making in
response to this Item 16F. The Company requested TIAOHO to furnish the Company with a letter addressed to the Commission stating whether TIAOHO agrees with the statements made by the Company in response to this Item 16F and, if not, stating the
respects in which TIAOHO does not agree. TIAOHOs letter is filed as an exhibit to this Annual Report on Form 20-F.



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|Item 16G. | Corporate Governance
|--------- | --------------------

Our corporate governance practices are governed by applicable ROC
law, specifically, the ROC Company Act and Securities and Exchange Act, and our articles of incorporation. Also, because our securities are listed on the NASDAQ, we are subject to corporate governance requirements applicable to NASDAQ-listed foreign
private issuers under NASDAQ listing rules.

Under NASDAQ Rule 5615(a)(3), NASDAQ-listed foreign private issuers may, in general, follow
their home country corporate governance practices instead of most NASDAQ corporate governance requirements. However, all NASDAQ-listed, foreign private issuers must comply with NASDAQ Rules 5605(c)(2)(A)(ii), 5605(c)(3), 5625 and 5640.

Item 16G requires a foreign private issuer to provide in its annual report filed with the SEC a brief, general summary of any significant
ways its corporate governance practices differ from those followed by NASDAQ-listed domestic companies. The table below provides this summary information as required by Item 16G and by NASDAQ Rule 5615(a) (3):



|                    |  |                                                                                      |  |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      
|------------------- |  | ------------------------------------------------------------------------------------ |  | ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
|NASDAQ Listing Rule |  | Corporate Governance Practice To BeFollowed by Domestic
Companies                    |  | Our Corporate Governance Practice                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    
|5250(b)(3)          |  | Disclosure of third party director and nominee compensation requirements.            |  | We follow governance practices under ROC law.
NASDAQ Rule 5250(b)(3) generally requires a NASDAQ-listed company to disclose at least annually material terms of agreements and arrangements with third
parties (other than the company) relating to compensation of or payment to the companys directors in connection with candidacy or service as a company director, subject to certain limited exceptions. There is no similar regulation requiring
disclosure of third party compensation of directors and nominee for directors under ROC law. However, certain ROC laws and regulations are designed to enhance transparency by making investors aware of the relationship between independent directors
or nominee for independent directors of a TWSE listed company and third party. For instance, the ROC Corporate Governance Best Practice Principles for TWSE/TPEx Listed Companies requires that, in the event that both of a TWSE listed company and its
group enterprises, and another company and its group enterprises, nominate any director, supervisor or managerial officer from the other company or its group enterprises as an independent director candidate, the TWSE listed company shall disclose
the information when receiving the nomination of an independent director candidate, and explain the competence of the independent director candidate. It further requires that, if the candidate becomes the TWSE listed companys independent
director through election, such company shall disclose the number of votes cast in favor of such independent director-elect. In addition, if an independent director of a TWSE listed company concurrently serves as a director, supervisor or other
position of other company, such concurrently held position shall be disclosed in the Market Observation Post System of the TWSE.
|                    |  |                                                                                     
|5605(b)             |  | Requires a majority independent board and an independent director executive session. |  | We follow governance practices under ROC law.
We have five independent directors out of a total of nine directors on our board. Our standards in determining director independence substantially comply with
the NASDAQ requirement, which include detailed tests for determining director independence.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                             
|                    |  |                                                                                     
|5605(c)(1)          |  | Audit committee charter requirements.                                                |  | We follow governance practices under ROC law.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        
|                    |  |                                                                                     
|5605(c)(2)(A)(ii)   |  | Audit committee composition and independence requirements.                           |  | We follow the same NASDAQ listing rule governance practice as followed by domestic companies.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        



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|                              |  |                                                                                                     |  |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    
|----------------------------- |  | --------------------------------------------------------------------------------------------------- |  | -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
|NASDAQ Listing Rule           |  | Corporate Governance Practice To BeFollowed by Domestic
Companies                                   |  | Our Corporate Governance Practice                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  
|                              |  |                                                                                                    
|5605(c)(2)(A)(i), (iii), (iv) |  | Audit committee financial sophistication requirements.                                              |  | We follow the same NASDAQ listing rule governance practice as followed by domestic companies.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      
|                              |  |                                                                                                    
|5605(c)(3)                    |  | Audit committee responsibilities and authority requirements.                                        |  | We follow the same NASDAQ listing rule governance practice as followed by domestic companies.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      
|                              |  |                                                                                                    
|5605(d), (e)                  |  | Requires independent director oversight of executive officer compensation and director nominations. |  | We follow the same NASDAQ listing rule governance practice regarding the compensation committee as followed by domestic companies.
As for the director nominations, we follow governance practices under ROC law. Under the ROC Company Act and the interpretations thereof, candidates to serve
as directors are nominated either by the board of directors prior to the shareholders meeting or by the shareholders during the election of the director.                                                                                                                                                                                                                                                        
|                              |  |                                                                                                    
|5610                          |  | Requires a code of conduct for directors, officers and employees.                                   |  | We follow governance practices under ROC law.
We have adopted the Code of Ethics and Business Conduct that satisfies the requirements promulgated by the TWSE, and applies to all employees, managerial
officers and directors of our company. The details of the waiver of such Code for our directors and managerial officers will be disclosed in the Market Observation Post System of the TWSE.                                                                                                                                                                                                                                                                                                               
|                              |  |                                                                                                    
|5620                          |  | Annual shareholder meeting requirements.                                                            |  | We follow governance practices under ROC law.
We are required by the ROC Company Act and our articles of incorporation to hold a general meeting of our shareholders within six months following the end of
each fiscal year, unless for specific legitimate reasons or approved otherwise by the relevant authorities. Further, a majority of the holders of all issued and outstanding common shares present at a shareholders meeting constitutes a quorum
for meetings of our shareholders.                                                                                                                                                                                                                   
|                              |  |                                                                                                    
|5625                          |  | Requires an issuer to notify NASDAQ of any material noncompliance with the Rule 5600 series.        |  | We follow the same NASDAQ listing rule governance practice as followed by domestic companies.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      
|                              |  |                                                                                                    
|5630                          |  | Requires oversight of related party transactions.                                                   |  | We follow governance practices under ROC law.
According to NASDAQ Rule 5630(a), each company that is not a limited partnership shall conduct an appropriate review and oversight of all related party
transactions for potential conflict of interest situations on an ongoing basis by the companys audit committee or another independent body of the board of directors. According to our Procedures for Acquisition or Disposal of Assets that
satisfies the requirements promulgated by the FSC, any related party transaction exceeding a specified threshold shall be required to have an independent expert issue a fairness opinion, and be submitted to our audit committee for its review and
approval.



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|                    |  |                                                                   |  |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    
|------------------- |  | ----------------------------------------------------------------- |  | -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
|NASDAQ Listing Rule |  | Corporate Governance Practice To BeFollowed by Domestic
Companies |  | Our Corporate Governance Practice                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  
|                    |  |                                                                  
|5635                |  | Circumstances that require shareholder approval.                  |  | We follow governance practices under ROC law.
According to NASDAQ Rule 5635(c), each issuer shall require shareholder approval when a stock option or purchase plan is to be established or materially
amended or other equity compensation arrangement made or materially amended, pursuant to which stock may be acquired by officers, directors, employees, or consultants. However, under the corresponding domestic requirements under the ROC Company Act
and the Securities and Exchange Act, the board of director has authority, subject to the approval of the Securities and Futures Bureau of the FSC, to approve employee stock option plans and to grant options to employees pursuant to such
plans.
|                    |  |                                                                  
|5640                |  | Shareholder voting rights requirements.                           |  | We follow the same NASDAQ listing rule governance practice as followed by domestic companies.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      

PART III



|Item 17. | Financial Statements
|-------- | --------------------

The Company has elected to provide the financial statements and
related information specified in Item 18 in lieu of Item 17.



|Item 18. | Financial Statements
|-------- | --------------------

The financial statements and related information of the Company
are located at pages F-1 to F-73.



|Item 19. | Exhibits
|-------- | --------



|         |  |                                                                                                                                                                                                          
|-------- |  | ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
|Exhibits |  | Description                                                                                                                                                                                              
|         | 
|1.1      |  | Articles of Incorporation of ChipMOS TECHNOLOGIES INC. as amended on January 28, 2016. (English Translation)(1)                                                                                          
|         | 
|2.1      |  | Form of the Deposit Agreement among ChipMOS TECHNOLOGIES INC., Citibank, N.A. and The Holders and Beneficial Owners of American Depositary Shares issued hereunder. (2)                                  
|         | 
|4.1      |  | Syndicated Loan Agreement, dated July 2, 2014, between ChipMOS TECHNOLOGIES INC. and Bank of Taiwan as the lead Arranger. (English Translation)(3)                                                       
|         | 
|4.2      |  | Merger Agreement, dated November 12, 2014, between ChipMOS TECHNOLOGIES INC. and ThaiLin Semiconductor Corp. (English Translation)(3)                                                                    
|         | 
|4.3      |  | Share Subscription Agreement, dated December 11, 2015, between ChipMOS TECHNOLOGIES INC. and Tsinghua Unigroup Ltd. (English Translation)(1)                                                             
|         | 
|4.4      |  | Strategic Alliance Agreement, dated December 11, 2015, between ChipMOS TECHNOLOGIES INC. and Tsinghua Unigroup Ltd. (English Translation)(1)                                                             
|         | 
|4.5      |  | Agreement and Plan of Merger, dated January 21, 2106, between ChipMOS TECHNOLOGIES (Bermuda) LTD. and ChipMOS TECHNOLOGIES INC.(1)                                                                       
|         | 
|4.6      |  | Subscriber Joinder Agreement, dated February 25, 2016, between ChipMOS TECHNOLOGIES INC. and Tsinghua Unigroup Ltd. (English Translation)(1)                                                             
|         | 
|4.7      |  | Share Subscription Agreement, dated February 25, 2016, between ChipMOS TECHNOLOGIES INC. and Tibet MaoYeChaungXin INVESTMENT CO., LIMITED (English Translation)(1)                                       
|         | 
|4.8      |  | Syndicated Loan Agreement, dated May 16, 2016, between ChipMOS TECHNOLOGIES INC. and, Land Bank of Taiwan Co., Ltd., Bank of Taiwan Co., Ltd. and Taiwan Cooperative Bank Co., Ltd. (English
Translation)



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|         |  |                                                                                                                                                                                                                                                                                                                                                                                                           
|-------- |  | ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
|Exhibits |  | Description                                                                                                                                                                                                                                                                                                                                                                                               
|         | 
|4.9      |  | Termination Agreement, dated November 30, 2016, between ChipMOS TECHNOLOGIES INC. and Tsinghua Unigroup Ltd. (English Translation)                                                                                                                                                                                                                                                                        
|         | 
|4.10     |  | Termination Agreement, dated November 30, 2016, between ChipMOS TECHNOLOGIES INC. and Tibet MaoYeChaungXin INVESTMENT CO., LIMITED. (English Translation)                                                                                                                                                                                                                                                 
|         | 
|4.11     |  | Equity Interest Transfer Agreement, dated November 30, 2016, among ChipMOS TECHNOLOGIES (BVI) LTD., Tibet Unigroup Guowei Investment Co., Ltd. and ChipMOS TECHNOLOGIES INC. (English Translation)                                                                                                                                                                                                        
|         | 
|4.12     |  | Equity Interest Transfer Agreement, dated November 30, 2016, between ChipMOS TECHNOLOGIES (BVI) LTD. and Gongqingcheng Changhou Investment Management Ltd. (English Translation)                                                                                                                                                                                                                          
|         | 
|4.13     |  | Equity Interest Transfer Agreement, dated November 30, 2016, between ChipMOS TECHNOLOGIES (BVI) LTD. and Accretech (China) Co., Ltd. (English Translation)                                                                                                                                                                                                                                                
|         | 
|4.14     |  | Equity Interest Transfer Agreement, dated November 30, 2016, between ChipMOS TECHNOLOGIES (BVI) LTD. and Chao-Jung Tsai (English Translation)                                                                                                                                                                                                                                                             
|         | 
|4.15     |  | Equity Interest Transfer Agreement, dated November 30, 2016, between ChipMOS TECHNOLOGIES (BVI) LTD. and Shanghai Zuzhu Business Consulting Partnership (Limited Partnership) (English Translation)                                                                                                                                                                                                       
|         | 
|4.16     |  | Equity Interest Transfer Agreement, dated November 30, 2016, between ChipMOS TECHNOLOGIES (BVI) LTD. and Shih-Jye Cheng (English Translation)                                                                                                                                                                                                                                                             
|         | 
|4.17     |  | Equity Interest Transfer Agreement, dated November 30, 2016, between ChipMOS TECHNOLOGIES (BVI) LTD. and Shou-Kang Chen (English Translation)                                                                                                                                                                                                                                                             
|         | 
|4.18     |  | Equity Interest Transfer Agreement, dated November 30, 2016, between ChipMOS TECHNOLOGIES (BVI) LTD. and David W. Wang (English Translation)                                                                                                                                                                                                                                                              
|         | 
|4.19     |  | Agreement for Sino-Foreign Equity Joint Venture, dated November 30, 2016, among ChipMOS TECHNOLOGIES (BVI) LTD., Tibet Unigroup Guowei Investment Co., Ltd., Gongqingcheng Changhou Investment Management Ltd., Accretech (China)
Co., Ltd., Chao-Jung Tsai, Shanghai Zuzhu Business Consulting Partnership (Limited Partnership), Shih-Jye Cheng, Shou-Kang Chen and David W. Wang. (English Translation)
|         | 
|8.1      |  | List of principal subsidiaries of ChipMOS TECHNOLOGIES INC.                                                                                                                                                                                                                                                                                                                                               
|         | 
|11.1     |  | Code of Ethics and Business Conduct. (English Translation)                                                                                                                                                                                                                                                                                                                                                
|         | 
|12.1     |  | Certification of Principal Executive Officer required by Rule 13a-14(a) under the Exchange Act.                                                                                                                                                                                                                                                                                                           
|         | 
|12.2     |  | Certification of Principal Financial Officer required by Rule 13a-14(a) under the Exchange Act.                                                                                                                                                                                                                                                                                                           
|         | 
|13.1     |  | Certification of Principal Executive Officer required by Rule 13a-14(b) under the Exchange Act.                                                                                                                                                                                                                                                                                                           
|         | 
|13.2     |  | Certification of Principal Financial Officer required by Rule 13a-14(b) under the Exchange Act.                                                                                                                                                                                                                                                                                                           
|         | 
|16.1     |  | TIAOHO & CO.s letter addressed to the Securities and Exchange Commission                                                                                                                                                                                                                                                                                                                                 



|(1) | Incorporated by reference to our Registration Statement on Form F-4 (File No. 333-209733), filed on February 26, 2016.
|--- | ----------------------------------------------------------------------------------------------------------------------

|(2) | Incorporated by reference to our Registration Statement on Form F-6/Amendment No. 1 (File No. 333-209736), filed on June 21,
2016.
|--- | ----------------------------------------------------------------------------------------------------------------------------------

|(3) | Incorporated by reference to the Annual Report on Form 20-F (File No. 0-31106) of ChipMOS TECHNOLOGIES (Bermuda) LTD, filed on
April 24, 2015.
|--- | ----------------------------------------------------------------------------------------------------------------------------------------------

We have not included as exhibits certain instruments with respect to our debt, the amount of debt
authorized under each of which does not exceed 10% of our total assets, and we agree to furnish a copy of any such instrument to the Commission upon request.



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SIGNATURES

Pursuant to the requirements of Section 12 of the Securities Exchange Act of 1934, the Registrant certifies that it meets all the
requirements for filing on Form 20-F and it has duly caused this Annual Report on Form 20-F to be signed on its behalf by the undersigned, thereunto duly authorized, in
Taipei, Taiwan, Republic of China, on April 20, 2017.



ChipMOS TECHNOLOGIES INC.By:

/s/ Shih-Jye ChengName:

Shih-Jye ChengTitle:

Chairman and President




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ChipMOS TECHNOLOGIES INC. AND SUBSIDIARIES

INDEX TO CONSOLIDATED FINANCIAL STATEMENTS







|                                                        |  |         |      | 
|------------------------------------------------------- |  | ------- | ---- | 
|                                                        |  | Page(s) |     
|Report of Independent Registered Public Accounting
Firm |  |         | F-2  | 
|                                                        | 
|Consolidated Statements of Comprehensive Income         |  |         | F-4  | 
|                                                        | 
|Consolidated Statements of Financial Position           |  |         | F-6  | 
|                                                        | 
|Consolidated Statements of Changes in Equity            |  |         | F-8  | 
|                                                        | 
|Consolidated Statements of Cash Flows                   |  |         | F-11 | 
|                                                        | 
|Notes to the Consolidated Financial Statements          |  |         | F-13 | 





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##### Table of Contents

ChipMOS TECHNOLOGIES INC. AND SUBSIDIARIES

Report of Independent Registered Public Accounting Firm





To the Board of Directors and Shareholders of

ChipMOS
TECHNOLOGIES INC.

In our opinion, the accompanying consolidated statement of financial position and the related statements of comprehensive income, of
changes in equity and of cash flows present fairly, in all material respects, the financial position of ChipMOS TECHNOLOGIES INC. and its subsidiaries at December 31, 2015 and 2016, and the results of their operations and their cash flows for
the years then ended in conformity with International Financial Reporting Standards as issued by the International Accounting Standards Board. Also in our opinion, the Company maintained, in all material respects, effective internal control over
financial reporting as of December 31, 2016, based on criteria established in Internal Control - Integrated Framework (2013) issued by the Committee of Sponsoring Organizations of the Treadway Commission (COSO). The Companys
management is responsible for these financial statements, for maintaining effective internal control over financial reporting and for its assessment of the effectiveness of internal control over financial reporting included in Managements
Annual Report on Internal Control Over Financial Reporting under Item 15 of this Annual Report on Form 20-F. Our responsibility is to express opinions on these financial statements and on the
Companys internal control over financial reporting based on our integrated audit which were integrated audits in 2015 and 2016. We conducted our audit in accordance with the standards of the Public Company Accounting Oversight Board (United
States). Those standards require that we plan and perform the audit to obtain reasonable assurance about whether the financial statements are free of material misstatement and whether effective internal control over financial reporting was
maintained in all material respects. Our audit of the financial statements included examining, on a test basis, evidence supporting the amounts and disclosures in the financial statements, assessing the accounting principles used and significant
estimates made by management, and evaluating the overall financial statement presentation. Our audit of internal control over financial reporting included obtaining an understanding of internal control over financial reporting, assessing the risk
that a material weakness exists, and testing and evaluating the design and operating effectiveness of internal control based on the assessed risk. Our audit also included performing such other procedures as we considered necessary in the
circumstances. We believe that our audit provide a reasonable basis for our opinions.

A companys internal control over financial reporting is a
process designed to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles. A companys
internal control over financial reporting includes those policies and procedures that (i) pertain to the maintenance of records that, in reasonable detail, accurately and fairly reflect the transactions and dispositions of the assets of the
company; (ii) provide reasonable assurance that transactions are recorded as necessary to permit preparation of financial statements in accordance with generally accepted accounting principles, and that receipts and expenditures of the company
are being made only in accordance with authorizations of management and directors of the company; and (iii) provide reasonable assurance regarding prevention or timely detection of unauthorized acquisition, use, or disposition of the
companys assets that could have a material effect on the financial statements.

Because of its inherent limitations, internal control over financial
reporting may not prevent or detect misstatements. Also, projections of any evaluation of effectiveness to future periods are subject to the risk that controls may become inadequate because of changes in conditions, or that the degree of compliance
with the policies or procedures may deteriorate.

/s/ PricewaterhouseCoopers, Taiwan

Taipei, Taiwan

Republic of China

April 20, 2017





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##### Table of Contents

ChipMOS TECHNOLOGIES INC. AND SUBSIDIARIES

Report of Independent Registered Public Accounting Firm (continued)





LOGO



To the Board of
Directors and Shareholders of

ChipMOS TECHNOLOGIES INC.



We have audited the accompanying consolidated statement of financial position of ChipMOS TECHNOLOGIES INC.
and subsidiaries (collectively, the Group) as of December 31, 2014, and the related consolidated statements of comprehensive income, changes in equity, and cash flows for the year ended December 31, 2014. The Groups
management is responsible for these financial statements. Our responsibility is to express an opinion on these financial statements based on our audit.

We conducted our audit in accordance with the standards of the Public Company Accounting Oversight Board (United States). Those standards require that we plan
and perform the audit to obtain reasonable assurance about whether the financial statements are free of material misstatement. The Group is not required to have, nor were we engaged to perform, an audit of its internal control over financial
reporting. Our audit included consideration of internal control over financial reporting as a basis for designing audit procedures that are appropriate in the circumstances, but not for the purpose of expressing an opinion on the effectiveness of
the Groups internal control over financial reporting. Accordingly, we express no such opinion. An audit also includes examining, on a test basis, evidence supporting the amounts and disclosures in the financial statements, assessing the
accounting principles used and significant estimates made by management, as well as evaluating the overall financial statement presentation. We believe that our audit provides a reasonable basis for our opinion.

In our opinion, the financial statements referred to above present fairly, in all material respects, the financial position of the Group as of
December 31, 2014, and the results of its operations and its cash flows for the year ended December 31, 2014, in conformity with International Financial Reporting Standards as issued by the International Accounting Standards Board.

/s/ Moore Stephens CPA Limited

Certified Public Accountants

Hong Kong

April 20, 2017





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##### Table of Contents

ChipMOS TECHNOLOGIES INC. AND SUBSIDIARIES

Consolidated Statements of Comprehensive Income

For the years ended December 31, 2014, 2015 and 2016







|                                                                                                                        |  |      |      |  |                |  |             |                |  |  |             |   |  |        |             |   |  |  |          |  
|----------------------------------------------------------------------------------------------------------------------- |  | ---- | ---- |  | -------------- |  | ----------- | -------------- |  |  | ----------- | - |  | ------ | ----------- | - |  |  | -------- | -
|                                                                                                                        |  | Note |      |  | (Adjusted)2014 |  |             | (Adjusted)2015 |  |  | 2016        |   |  | 2016   |            
|                                                                                                                        |  |      |      |  | NT$000         |  |             | NT$000         |  |  | NT$000      |   |  | US$000 |            
|Revenue                                                                                                                 |  |      | 4    |  |                |  | 20,828,959  |                |  |  | 18,837,089  |   |  |        | 18,387,593  |   |  |  | 567,518  |  
|Cost of revenue                                                                                                         |  |      | 5,16 |  |                |  | (15,716,480 | )              |  |  | (14,685,514 | ) |  |        | (14,745,472 | ) |  |  | (455,107 | )
|                                                                                                                        |  |      |      |  |                |  |             |                |  |  |             |   |  |        |             |   |  |  |          |  
|Gross profit                                                                                                            |  |      |      |  |                |  | 5,112,479   |                |  |  | 4,151,575   |   |  |        | 3,642,121   |   |  |  | 112,411  |  
|Research and development expenses                                                                                       |  |      | 5    |  |                |  | (678,830    | )              |  |  | (747,779    | ) |  |        | (838,866    | ) |  |  | (25,891  | )
|Sales and marketing expenses                                                                                            |  |      | 5    |  |                |  | (96,281     | )              |  |  | (90,345     | ) |  |        | (72,918     | ) |  |  | (2,251   | )
|Administrative and general expenses                                                                                     |  |      | 5    |  |                |  | (712,815    | )              |  |  | (770,075    | ) |  |        | (822,068    | ) |  |  | (25,372  | )
|Other operating income (expenses), net                                                                                  |  |      | 6    |  |                |  | 26,258      |                |  |  | 105,051     |   |  |        | 90,306      |   |  |  | 2,787    |  
|                                                                                                                        |  |      |      |  |                |  |             |                |  |  |             |   |  |        |             |   |  |  |          |  
|Operating profit                                                                                                        |  |      |      |  |                |  | 3,650,811   |                |  |  | 2,648,427   |   |  |        | 1,998,575   |   |  |  | 61,684   |  
|Finance costs                                                                                                           |  |      | 7    |  |                |  | (133,805    | )              |  |  | (142,511    | ) |  |        | (179,116    | ) |  |  | (5,528   | )
|Other non-operating income (expenses), net                                                                              |  |      | 8    |  |                |  | 1,185,908   |                |  |  | 340,140     |   |  |        | (119,024    | ) |  |  | (3,673   | )
|                                                                                                                        |  |      |      |  |                |  |             |                |  |  |             |   |  |        |             |   |  |  |          |  
|Profit before income tax                                                                                                |  |      |      |  |                |  | 4,702,914   |                |  |  | 2,846,056   |   |  |        | 1,700,435   |   |  |  | 52,483   |  
|Income tax                                                                                                              |  |      | 9    |  |                |  | (1,036,243  | )              |  |  | (935,855    | ) |  |        | (177,120    | ) |  |  | (5,467   | )
|                                                                                                                        |  |      |      |  |                |  |             |                |  |  |             |   |  |        |             |   |  |  |          |  
|Profit from continuing operations                                                                                       |  |      |      |  |                |  | 3,666,671   |                |  |  | 1,910,201   |   |  |        | 1,523,315   |   |  |  | 47,016   |  
|Profit (loss) from discontinued operations                                                                              |  |      | 19   |  |                |  | 82,189      |                |  |  | (34,233     | ) |  |        | (122,105    | ) |  |  | (3,769   | )
|                                                                                                                        |  |      |      |  |                |  |             |                |  |  |             |   |  |        |             |   |  |  |          |  
|Profit for the year                                                                                                     |  |      |      |  |                |  | 3,748,860   |                |  |  | 1,875,968   |   |  |        | 1,401,210   |   |  |  | 43,247   |  
|                                                                                                                        |  |      |      |  |                |  |             |                |  |  |             |   |  |        |             |   |  |  |          |  
|Other comprehensive income (loss):                                                                                      |  |      |      |  |                |  |             |                |  |  |             |   |  |        |             |   |  |  |          |  
|Other comprehensive income to be reclassified to profit or loss in subsequent
periods:                                  |  |      |      |  |                |  |             |                |  |  |             |   |  |        |             |   |  |  |          |  
|Exchange differences on translation of foreign operations                                                               |  |      |      |  |                |  | 61,870      |                |  |  | (12,376     | ) |  |        | (200,280    | ) |  |  | (6,181   | )
|Unrealized gain (loss) in
available-for-sale financial assets                                                           |  |      |      |  |                |  | (783,148    | )              |  |  |            |   |  |        |            |   |  |  |         |  
|Income tax effect                                                                                                       |  |      | 9    |  |                |  | 133,135     |                |  |  |            |   |  |        |            |   |  |  |         |  
|                                                                                                                        |  |      |      |  |                |  |             |                |  |  |             |   |  |        |             |   |  |  |          |  
|Net other comprehensive income (loss) to be reclassified to profit or loss in subsequent
periods                        |  |      |      |  |                |  | (588,143    | )              |  |  | (12,376     | ) |  |        | (200,280    | ) |  |  | (6,181   | )
|                                                                                                                        |  |      |      |  |                |  |             |                |  |  |             |   |  |        |             |   |  |  |          |  
|Other comprehensive income (loss) not to be reclassified to profit or loss in subsequent
periods:                       |  |      |      |  |                |  |             |                |  |  |             |   |  |        |             |   |  |  |          |  
|Net actuarial losses                                                                                                    |  |      | 24   |  |                |  | (14,503     | )              |  |  | (41,758     | ) |  |        | (43,383     | ) |  |  | (1,339   | )
|Share of other comprehensive income (loss) of an associate which may not be reclassified
subsequently to profit or loss |  |      |      |  |                |  |            |                |  |  | (165        | ) |  |        | (133        | ) |  |  | (4       | )
|Income tax effect                                                                                                       |  |      | 9    |  |                |  | 3,022       |                |  |  | 7,099       |   |  |        | 7,375       |   |  |  | 227      |  
|                                                                                                                        |  |      |      |  |                |  |             |                |  |  |             |   |  |        |             |   |  |  |          |  
|Net other comprehensive loss not to be reclassified to profit or loss in subsequent
periods                             |  |      |      |  |                |  | (11,481     | )              |  |  | (34,824     | ) |  |        | (36,141     | ) |  |  | (1,116   | )
|                                                                                                                        |  |      |      |  |                |  |             |                |  |  |             |   |  |        |             |   |  |  |          |  
|Other comprehensive income (loss) for the year, net of tax                                                              |  |      |      |  |                |  | (599,624    | )              |  |  | (47,200     | ) |  |        | (236,421    | ) |  |  | (7,297   | )
|                                                                                                                        |  |      |      |  |                |  |             |                |  |  |             |   |  |        |             |   |  |  |          |  
|Total comprehensive income for the year, net of tax                                                                     |  |      |      |  |                |  | 3,149,236   |                |  |  | 1,828,768   |   |  |        | 1,164,789   |   |  |  | 35,950   |  
|                                                                                                                        |  |      |      |  |                |  |             |                |  |  |             |   |  |        |             |   |  |  |          |  





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##### Table of Contents

ChipMOS TECHNOLOGIES INC. AND SUBSIDIARIES

Consolidated Statements of Comprehensive Income (Continued)

For the years ended December 31, 2014, 2015 and 2016







|                                                   |  |      |    |  |                |     |           |                |  |     |           |   |  |        |           |   |  |     |        |  
|-------------------------------------------------- |  | ---- | -- |  | -------------- | --- | --------- | -------------- |  | --- | --------- | - |  | ------ | --------- | - |  | --- | ------ | -
|                                                   |  | Note |    |  | (Adjusted)2014 |     |           | (Adjusted)2015 |  |     | 2016      |   |  | 2016   |          
|                                                   |  |      |    |  | NT$000         |     |           | NT$000         |  |     | NT$000    |   |  | US$000 |          
|Profit (loss) attributable to:                     |  |      |    |  |                |     |           |                |  |     |           |   |  |        |           |   |  |     |        |  
|Equity holders of the Company                      |  |      |    |  |                |     |           |                |  |     |           |   |  |        |           |   |  |     |        |  
|- Continuing operations                            |  |      |    |  |                |     | 3,273,971 |                |  |     | 2,164,557 |   |  |        | 1,829,327 |   |  |     | 56,461 |  
|- Discontinued operations                          |  |      |    |  |                |     | 82,189    |                |  |     | (34,233   | ) |  |        | (122,105  | ) |  |     | (3,769 | )
|Predecessors interests                            |  |      |    |  |                |     | (141,977  | )              |  |     | (291,429  | ) |  |        | (306,012  | ) |  |     | (9,445 | )
|Non-controlling interests                          |  |      |    |  |                |     | 534,677   |                |  |     | 37,073    |   |  |        |          |   |  |     |       |  
|                                                   |  |      |    |  |                |     |           |                |  |     |           |   |  |        |           |   |  |     |        |  
|                                                   |  |      |    |  |                |     | 3,748,860 |                |  |     | 1,875,968 |   |  |        | 1,401,210 |   |  |     | 43,247 |  
|                                                   |  |      |    |  |                |     |           |                |  |     |           |   |  |        |           |   |  |     |        |  
|Total comprehensive income (loss) attributable to: |  |      |    |  |                |     |           |                |  |     |           |   |  |        |           |   |  |     |        |  
|Equity holders of the Company                      |  |      |    |  |                |     |           |                |  |     |           |   |  |        |           |   |  |     |        |  
|- Continuing operations                            |  |      |    |  |                |     | 2,974,449 |                |  |     | 2,167,256 |   |  |        | 1,788,878 |   |  |     | 55,212 |  
|- Discontinued operations                          |  |      |    |  |                |     | 143,272   |                |  |     | (62,126   | ) |  |        | (318,077  | ) |  |     | (9,817 | )
|Predecessors interests                            |  |      |    |  |                |     | (141,977  | )              |  |     | (291,429  | ) |  |        | (306,012  | ) |  |     | (9,445 | )
|Non-controlling interests                          |  |      |    |  |                |     | 173,492   |                |  |     | 15,067    |   |  |        |          |   |  |     |       |  
|                                                   |  |      |    |  |                |     |           |                |  |     |           |   |  |        |           |   |  |     |        |  
|                                                   |  |      |    |  |                |     | 3,149,236 |                |  |     | 1,828,768 |   |  |        | 1,164,789 |   |  |     | 35,950 |  
|                                                   |  |      |    |  |                |     |           |                |  |     |           |   |  |        |           |   |  |     |        |  
|Basic earnings per share:                          |  |      | 10 |  |                |     |           |                |  |     |           |   |  |        |           |   |  |     |        |  
|Equity holders of the Company                      |  |      |    |  |                |     |           |                |  |     |           |   |  |        |           |   |  |     |        |  
|- Continuing operations                            |  |      |    |  |                | NT$ | 3.81      |                |  | NT$ | 2.47      |   |  | NT$    | 2.13      |   |  | US$ | 0.07   |  
|- Discontinued operations                          |  |      |    |  |                |     | 0.10      |                |  |     | (0.04     | ) |  |        | (0.14     | ) |  |     | (0.01  | )
|                                                   |  |      |    |  |                |     |           |                |  |     |           |   |  |        |           |   |  |     |        |  
|Equity holders of the Company                      |  |      |    |  |                |     | 3.91      |                |  |     | 2.43      |   |  |        | 1.99      |   |  |     | 0.06   |  
|Predecessors interests                            |  |      |    |  |                |     | (0.17     | )              |  |     | (0.33     | ) |  |        | (0.35     | ) |  |     | (0.01  | )
|                                                   |  |      |    |  |                |     |           |                |  |     |           |   |  |        |           |   |  |     |        |  
|                                                   |  |      |    |  |                | NT$ | 3.74      |                |  | NT$ | 2.10      |   |  | NT$    | 1.64      |   |  | US$ | 0.05   |  
|                                                   |  |      |    |  |                |     |           |                |  |     |           |   |  |        |           |   |  |     |        |  
|Diluted earnings per share:                        |  |      |    |  |                |     |           |                |  |     |           |   |  |        |           |   |  |     |        |  
|Equity holders of the Company                      |  |      |    |  |                |     |           |                |  |     |           |   |  |        |           |   |  |     |        |  
|- Continuing operations                            |  |      |    |  |                | NT$ | 3.78      |                |  | NT$ | 2.44      |   |  | NT$    | 2.11      |   |  | US$ | 0.07   |  
|- Discontinued operations                          |  |      |    |  |                |     | 0.09      |                |  |     | (0.04     | ) |  |        | (0.14     | ) |  |     | (0.01  | )
|                                                   |  |      |    |  |                |     |           |                |  |     |           |   |  |        |           |   |  |     |        |  
|Equity holders of the Company                      |  |      |    |  |                |     | 3.87      |                |  |     | 2.40      |   |  |        | 1.97      |   |  |     | 0.06   |  
|Predecessors interests                            |  |      |    |  |                |     | (0.16     | )              |  |     | (0.33     | ) |  |        | (0.35     | ) |  |     | (0.01  | )
|                                                   |  |      |    |  |                |     |           |                |  |     |           |   |  |        |           |   |  |     |        |  
|                                                   |  |      |    |  |                | NT$ | 3.71      |                |  | NT$ | 2.07      |   |  | NT$    | 1.62      |   |  | US$ | 0.05   |  
|                                                   |  |      |    |  |                |     |           |                |  |     |           |   |  |        |           |   |  |     |        |  
|Basic earnings per equivalent ADS:                 |  |      |    |  |                |     |           |                |  |     |           |   |  |        |           |   |  |     |        |  
|Equity holders of the Company                      |  |      |    |  |                |     |           |                |  |     |           |   |  |        |           |   |  |     |        |  
|- Continuing operations                            |  |      |    |  |                | NT$ | 76.25     |                |  | NT$ | 49.34     |   |  | NT$    | 42.56     |   |  | US$ | 1.31   |  
|- Discontinued operations                          |  |      |    |  |                |     | 1.92      |                |  |     | (0.78     | ) |  |        | (2.84     | ) |  |     | (0.08  | )
|                                                   |  |      |    |  |                |     |           |                |  |     |           |   |  |        |           |   |  |     |        |  
|Equity holders of the Company                      |  |      |    |  |                |     | 78.17     |                |  |     | 48.56     |   |  |        | 39.72     |   |  |     | 1.23   |  
|Predecessors interests                            |  |      |    |  |                |     | (3.31     | )              |  |     | (6.64     | ) |  |        | (7.12     | ) |  |     | (0.22  | )
|                                                   |  |      |    |  |                |     |           |                |  |     |           |   |  |        |           |   |  |     |        |  
|                                                   |  |      |    |  |                | NT$ | 74.86     |                |  | NT$ | 41.92     |   |  | NT$    | 32.60     |   |  | US$ | 1.01   |  
|                                                   |  |      |    |  |                |     |           |                |  |     |           |   |  |        |           |   |  |     |        |  
|Diluted earnings per equivalent ADS:               |  |      |    |  |                |     |           |                |  |     |           |   |  |        |           |   |  |     |        |  
|Equity holders of the Company                      |  |      |    |  |                |     |           |                |  |     |           |   |  |        |           |   |  |     |        |  
|- Continuing operations                            |  |      |    |  |                | NT$ | 75.62     |                |  | NT$ | 48.73     |   |  | NT$    | 42.21     |   |  | US$ | 1.30   |  
|- Discontinued operations                          |  |      |    |  |                |     | 1.90      |                |  |     | (0.77     | ) |  |        | (2.82     | ) |  |     | (0.08  | )
|                                                   |  |      |    |  |                |     |           |                |  |     |           |   |  |        |           |   |  |     |        |  
|Equity holders of the Company                      |  |      |    |  |                |     | 77.52     |                |  |     | 47.96     |   |  |        | 39.39     |   |  |     | 1.22   |  
|Predecessors interests                            |  |      |    |  |                |     | (3.28     | )              |  |     | (6.56     | ) |  |        | (7.06     | ) |  |     | (0.22  | )
|                                                   |  |      |    |  |                |     |           |                |  |     |           |   |  |        |           |   |  |     |        |  
|                                                   |  |      |    |  |                | NT$ | 74.24     |                |  | NT$ | 41.40     |   |  | NT$    | 32.33     |   |  | US$ | 1.00   |  
|                                                   |  |      |    |  |                |     |           |                |  |     |           |   |  |        |           |   |  |     |        |  

Details of dividend to equity holders of the Company for the years are set out in Note 11 to the consolidated
financial statements.

The accompanying notes are an integral part of the consolidated financial statements.





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##### Table of Contents

ChipMOS TECHNOLOGIES INC. AND SUBSIDIARIES

Consolidated Statements of Financial Position

December 31, 2015 and 2016







|                                    |  |      |       |  |                            |  |            |                  |  |  |                  |  |  |  |         | 
|----------------------------------- |  | ---- | ----- |  | -------------------------- |  | ---------- | ---------------- |  |  | ---------------- |  |  |  | ------- | 
|                                    |  | Note |       |  | (Adjusted)December 31,2015 |  |            | December 31,2016 |  |  | December 31,2016 | 
|                                    |  |      |       |  | NT$000                     |  |            | NT$000           |  |  | US$000           | 
|Assets                              |  |      |       |  |                            |  |            |                  |  |  |                  |  |  |  |         | 
|Non-current assets                  |  |      |       |  |                            |  |            |                  |  |  |                  |  |  |  |         | 
|Available-for-sale
financial assets |  |      | 12    |  |                            |  | 9,960      |                  |  |  | 9,960            |  |  |  | 307     | 
|Investment in associate             |  |      | 13    |  |                            |  | 346,268    |                  |  |  | 369,329          |  |  |  | 11,399  | 
|Property, plant and equipment, net  |  |      | 14,34 |  |                            |  | 14,211,560 |                  |  |  | 13,497,218       |  |  |  | 416,581 | 
|Deferred tax assets                 |  |      | 9     |  |                            |  | 166,267    |                  |  |  | 249,806          |  |  |  | 7,710   | 
|Refundable deposits                 |  |      |       |  |                            |  | 21,840     |                  |  |  | 21,321           |  |  |  | 658     | 
|Prepaid rent  non-current          |  |      | 15    |  |                            |  | 91,603     |                  |  |  |                 |  |  |  |        | 
|Other non-current assets            |  |      |       |  |                            |  | 61,977     |                  |  |  | 181,692          |  |  |  | 5,608   | 
|                                    |  |      |       |  |                            |  |            |                  |  |  |                  |  |  |  |         | 
|                                    |  |      |       |  |                            |  | 14,909,475 |                  |  |  | 14,329,326       |  |  |  | 442,263 | 
|                                    |  |      |       |  |                            |  |            |                  |  |  |                  |  |  |  |         | 
|Current assets                      |  |      |       |  |                            |  |            |                  |  |  |                  |  |  |  |         | 
|Inventories                         |  |      | 16    |  |                            |  | 1,667,691  |                  |  |  | 1,877,982        |  |  |  | 57,962  | 
|Accounts and notes receivable       |  |      | 17    |  |                            |  | 3,890,508  |                  |  |  | 4,140,246        |  |  |  | 127,785 | 
|Other receivables                   |  |      | 17    |  |                            |  | 137,013    |                  |  |  | 57,411           |  |  |  | 1,772   | 
|Other financial assets              |  |      | 18,34 |  |                            |  | 85,247     |                  |  |  | 72,277           |  |  |  | 2,231   | 
|Other current assets                |  |      | 15    |  |                            |  | 200,583    |                  |  |  | 142,281          |  |  |  | 4,392   | 
|Cash and cash equivalents           |  |      | 18    |  |                            |  | 12,127,350 |                  |  |  | 7,571,366        |  |  |  | 233,684 | 
|                                    |  |      |       |  |                            |  |            |                  |  |  |                  |  |  |  |         | 
|                                    |  |      |       |  |                            |  | 18,108,392 |                  |  |  | 13,861,563       |  |  |  | 427,826 | 
|Non-current assets held for sale    |  |      | 19    |  |                            |  |           |                  |  |  | 3,105,071        |  |  |  | 95,836  | 
|                                    |  |      |       |  |                            |  |            |                  |  |  |                  |  |  |  |         | 
|                                    |  |      |       |  |                            |  | 18,108,392 |                  |  |  | 16,966,634       |  |  |  | 523,662 | 
|                                    |  |      |       |  |                            |  |            |                  |  |  |                  |  |  |  |         | 
|Total assets                        |  |      |       |  |                            |  | 33,017,867 |                  |  |  | 31,295,960       |  |  |  | 965,925 | 
|                                    |  |      |       |  |                            |  |            |                  |  |  |                  |  |  |  |         | 





F-6



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##### Table of Contents

ChipMOS TECHNOLOGIES INC. AND SUBSIDIARIES

Consolidated Statements of Financial Position (Continued)

December 31, 2015 and 2016







|                                                                                                                        |  |      |       |  |                            |  |            |                  |  |  |                  |   |  |  |         |  
|----------------------------------------------------------------------------------------------------------------------- |  | ---- | ----- |  | -------------------------- |  | ---------- | ---------------- |  |  | ---------------- | - |  |  | ------- | -
|                                                                                                                        |  | Note |       |  | (Adjusted)December 31,2015 |  |            | December 31,2016 |  |  | December 31,2016 |  
|                                                                                                                        |  |      |       |  | NT$000                     |  |            | NT$000           |  |  | US$000           |  
|Equity and liabilities                                                                                                  |  |      |       |  |                            |  |            |                  |  |  |                  |   |  |  |         |  
|Capital and reserves                                                                                                    |  |      |       |  |                            |  |            |                  |  |  |                  |   |  |  |         |  
|Issued capital                                                                                                          |  |      | 20    |  |                            |  | 8,962,066  |                  |  |  | 8,869,663        |   |  |  | 273,755 |  
|Capital surplus                                                                                                         |  |      | 21    |  |                            |  | 3,755,849  |                  |  |  | 6,888,826        |   |  |  | 212,618 |  
|Retained earnings                                                                                                       |  |      | 21    |  |                            |  |            |                  |  |  |                  |   |  |  |         |  
|Legal reserve                                                                                                           |  |      |       |  |                            |  | 914,790    |                  |  |  | 1,137,837        |   |  |  | 35,119  |  
|Unappropriated retained earnings                                                                                        |  |      |       |  |                            |  | 5,657,837  |                  |  |  | 260,989          |   |  |  | 8,055   |  
|Other reserve                                                                                                           |  |      |       |  |                            |  |            |                  |  |  |                  |   |  |  |         |  
|Foreign currency translation reserve                                                                                    |  |      |       |  |                            |  | 63,668     |                  |  |  | 10,600           |   |  |  | 327     |  
|Amounts recognized in other comprehensive income and accumulated in equity relating to non-current assets held for sale |  |      |       |  |                            |  |           |                  |  |  | 287,645          |   |  |  | 8,878   |  
|Unearned employee awards                                                                                                |  |      |       |  |                            |  | (447,323   | )                |  |  | (200,204         | ) |  |  | (6,179  | )
|Treasury stock                                                                                                          |  |      | 22    |  |                            |  |           |                  |  |  | (1,007,654       | ) |  |  | (31,101 | )
|                                                                                                                        |  |      |       |  |                            |  |            |                  |  |  |                  |   |  |  |         |  
|Equity attributable to equity holders of the Company                                                                    |  |      |       |  |                            |  | 18,906,887 |                  |  |  | 16,247,702       |   |  |  | 501,472 |  
|Predecessors interests                                                                                                 |  |      |       |  |                            |  | 2,127,532  |                  |  |  |                 |   |  |  |        |  
|                                                                                                                        |  |      |       |  |                            |  |            |                  |  |  |                  |   |  |  |         |  
|Total equity                                                                                                            |  |      |       |  |                            |  | 21,034,419 |                  |  |  | 16,247,702       |   |  |  | 501,472 |  
|                                                                                                                        |  |      |       |  |                            |  |            |                  |  |  |                  |   |  |  |         |  
|Non-current liabilities                                                                                                 |  |      |       |  |                            |  |            |                  |  |  |                  |   |  |  |         |  
|Bank loans  non-current                                                                                                |  |      | 23,34 |  |                            |  | 4,985,832  |                  |  |  | 9,687,720        |   |  |  | 299,004 |  
|Long-term deferred revenue                                                                                              |  |      |       |  |                            |  | 89,168     |                  |  |  |                 |   |  |  |        |  
|Lease payable  non-current                                                                                             |  |      |       |  |                            |  |           |                  |  |  | 29,311           |   |  |  | 905     |  
|Deferred tax liabilities                                                                                                |  |      | 9     |  |                            |  |           |                  |  |  | 92,543           |   |  |  | 2,856   |  
|Net defined benefit liability, non-current                                                                              |  |      | 24    |  |                            |  | 519,471    |                  |  |  | 546,968          |   |  |  | 16,882  |  
|Guarantee deposits                                                                                                      |  |      |       |  |                            |  | 2,099      |                  |  |  | 1,404            |   |  |  | 43      |  
|                                                                                                                        |  |      |       |  |                            |  |            |                  |  |  |                  |   |  |  |         |  
|                                                                                                                        |  |      |       |  |                            |  | 5,596,570  |                  |  |  | 10,357,946       |   |  |  | 319,690 |  
|                                                                                                                        |  |      |       |  |                            |  |            |                  |  |  |                  |   |  |  |         |  
|Current liabilities                                                                                                     |  |      |       |  |                            |  |            |                  |  |  |                  |   |  |  |         |  
|Accounts payable                                                                                                        |  |      |       |  |                            |  | 708,480    |                  |  |  | 825,062          |   |  |  | 25,465  |  
|Payables to contractors and equipment suppliers                                                                         |  |      |       |  |                            |  | 523,962    |                  |  |  | 550,346          |   |  |  | 16,986  |  
|Other payables                                                                                                          |  |      | 25    |  |                            |  | 1,868,698  |                  |  |  | 1,412,054        |   |  |  | 43,582  |  
|Current tax payable                                                                                                     |  |      |       |  |                            |  | 454,468    |                  |  |  | 115,916          |   |  |  | 3,578   |  
|Provisions  current                                                                                                    |  |      | 26    |  |                            |  | 96,903     |                  |  |  | 80,719           |   |  |  | 2,491   |  
|Receipts in advance                                                                                                     |  |      |       |  |                            |  | 8,337      |                  |  |  | 1,324            |   |  |  | 41      |  
|Other current liabilities                                                                                               |  |      |       |  |                            |  | 28,467     |                  |  |  | 43,676           |   |  |  | 1,348   |  
|Lease payable  current                                                                                                 |  |      |       |  |                            |  |           |                  |  |  | 11,291           |   |  |  | 348     |  
|Bank loans  current portion                                                                                            |  |      | 23,34 |  |                            |  | 1,548,688  |                  |  |  | 1,062,285        |   |  |  | 32,787  |  
|Short-term bank loans                                                                                                   |  |      | 27    |  |                            |  | 1,148,875  |                  |  |  |                 |   |  |  |        |  
|                                                                                                                        |  |      |       |  |                            |  |            |                  |  |  |                  |   |  |  |         |  
|                                                                                                                        |  |      |       |  |                            |  | 6,386,878  |                  |  |  | 4,102,673        |   |  |  | 126,626 |  
|Liabilities directly related to non-current assets held
for sale                                                        |  |      | 19    |  |                            |  |           |                  |  |  | 587,639          |   |  |  | 18,137  |  
|                                                                                                                        |  |      |       |  |                            |  |            |                  |  |  |                  |   |  |  |         |  
|                                                                                                                        |  |      |       |  |                            |  | 6,386,878  |                  |  |  | 4,690,312        |   |  |  | 144,763 |  
|                                                                                                                        |  |      |       |  |                            |  |            |                  |  |  |                  |   |  |  |         |  
|Total liabilities                                                                                                       |  |      |       |  |                            |  | 11,983,448 |                  |  |  | 15,048,258       |   |  |  | 464,453 |  
|                                                                                                                        |  |      |       |  |                            |  |            |                  |  |  |                  |   |  |  |         |  
|Total equity and liabilities                                                                                            |  |      |       |  |                            |  | 33,017,867 |                  |  |  | 31,295,960       |   |  |  | 965,925 |  
|                                                                                                                        |  |      |       |  |                            |  |            |                  |  |  |                  |   |  |  |         |  

The accompanying notes are an integral part of the consolidated financial statements.





F-7



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##### Table of Contents

ChipMOS TECHNOLOGIES INC. AND SUBSIDIARIES

Consolidated Statements of Changes in Equity

For the years ended December 31, 2014, 2015 and 2016







|                                               |  |                                               |           |  |                         |  |           |                             |  |  |                                 |  |  |                                   |            |   |                                                            |  |        |        |  |  |                                             |   |  |                          |            |   |             |  |            |   |  |  |           |   |  |  |            |  
|---------------------------------------------- |  | --------------------------------------------- | --------- |  | ----------------------- |  | --------- | --------------------------- |  |  | ------------------------------- |  |  | --------------------------------- | ---------- | - | ---------------------------------------------------------- |  | ------ | ------ |  |  | ------------------------------------------- | - |  | ------------------------ | ---------- | - | ----------- |  | ---------- | - |  |  | --------- | - |  |  | ---------- | -
|                                               |  | Attributable to equity holders of the Company |           |  |                         |  |           |                             |  |  |                                 | 
|                                               |  |                                               |           |  |                         |  |           | Retained earnings (Note 21) |  |  | Other reserve                   |  |  |                                   |            |   |                                                            |  |        |        |  |  |                                             |  
|                                               |  | Issuedcapital(Note 20)                        |           |  | Capitalsurplus(Note 21) |  |           | Legalreserve                |  |  | Unappropriatedretained earnings |  |  | Foreigncurrencytranslationreserve |            |   | Unrealized gain(loss) inavailable-for-salefinancial
assets |  |        | Total  |  |  | Equityattributable topredecessorsinterests |   |  | Non-controllinginterests |            |   | Totalequity | 
|                                               |  | NT$000                                        |           |  | NT$000                  |  |           | NT$000                      |  |  | NT$000                          |  |  | NT$000                            |            |   | NT$000                                                     |  |        | NT$000 |  |  | NT$000                                      |   |  | NT$000                   |            |   | NT$000      | 
|January 1, 2014 (Adjusted)                     |  |                                               | 8,428,553 |  |                         |  | 1,732,588 |                             |  |  | 350,602                         |  |  |                                   | 4,469,238  |   |                                                            |  | 6,112  |        |  |  | 258,711                                     |   |  |                          | 15,245,804 |   |             |  | 3,921,397  |   |  |  | 2,481,421 |   |  |  | 21,648,622 |  
|Appropriations of prior years earnings:       |  |                                               |           |  |                         |  |           |                             |  |  |                                 |  |  |                                   |            |   |                                                            |  |        |        |  |  |                                             |   |  |                          |            |   |             |  |            |   |  |  |           |   |  |  |            |  
|Legal reserve(Note 21)                         |  |                                               |          |  |                         |  |          |                             |  |  | 232,325                         |  |  |                                   | (232,325   | ) |                                                            |  |       |        |  |  |                                            |   |  |                          |           |   |             |  |           |   |  |  |          |   |  |  |           |  
|Cash dividends - the Company (Notes 11 and 21) |  |                                               |          |  |                         |  |          |                             |  |  |                                |  |  |                                   | (1,037,544 | ) |                                                            |  |       |        |  |  |                                            |   |  |                          | (1,037,544 | ) |             |  | 626,497    |   |  |  | (80,876   | ) |  |  | (491,923   | )
|Issuance of shares                             |  |                                               | 217,640   |  |                         |  | 359,106   |                             |  |  |                                |  |  |                                   |           |   |                                                            |  |       |        |  |  |                                            |   |  |                          | 576,746    |   |             |  |           |   |  |  |          |   |  |  | 576,746    |  
|Other movements                                |  |                                               |          |  |                         |  | (44,985   | )                           |  |  |                                |  |  |                                   |           |   |                                                            |  |       |        |  |  |                                            |   |  |                          | (44,985    | ) |             |  |           |   |  |  | 44,985    |   |  |  |           |  
|Cash dividends - predecessors interests       |  |                                               |          |  |                         |  |          |                             |  |  |                                |  |  |                                   |           |   |                                                            |  |       |        |  |  |                                            |   |  |                          |           |   |             |  | (123,392   | ) |  |  |          |   |  |  | (123,392   | )
|Share-based payments                           |  |                                               |          |  |                         |  | 226,129   |                             |  |  |                                |  |  |                                   |           |   |                                                            |  |       |        |  |  |                                            |   |  |                          | 226,129    |   |             |  | 6,648      |   |  |  | 2,663     |   |  |  | 235,440    |  
|Repurchase of shares                           |  |                                               |          |  |                         |  |          |                             |  |  |                                |  |  |                                   |           |   |                                                            |  |       |        |  |  |                                            |   |  |                          |           |   |             |  | (1,832,166 | ) |  |  |          |   |  |  | (1,832,166 | )
|Partial disposal of a subsidiary               |  |                                               |          |  |                         |  |          |                             |  |  |                                |  |  |                                   |           |   |                                                            |  |       |        |  |  |                                            |   |  |                          |           |   |             |  | 33,686     |   |  |  |          |   |  |  | 33,686     |  
|Profit (loss) for the year                     |  |                                               |          |  |                         |  |          |                             |  |  |                                |  |  |                                   | 3,356,160  |   |                                                            |  |       |        |  |  |                                            |   |  |                          | 3,356,160  |   |             |  | (141,977   | ) |  |  | 534,677   |   |  |  | 3,748,860  |  
|Other comprehensive income                     |  |                                               |          |  |                         |  |          |                             |  |  |                                |  |  |                                   | (9,690     | ) |                                                            |  | 29,962 |        |  |  | (258,711                                    | ) |  |                          | (238,439   | ) |             |  |           |   |  |  | (361,185  | ) |  |  | (599,624   | )
|                                               |  |                                               |           |  |                         |  |           |                             |  |  |                                 |  |  |                                   |            |   |                                                            |  |        |        |  |  |                                             |   |  |                          |            |   |             |  |            |   |  |  |           |   |  |  |            |  
|December 31, 2014 (Adjusted)                   |  |                                               | 8,646,193 |  |                         |  | 2,272,838 |                             |  |  | 582,927                         |  |  |                                   | 6,545,839  |   |                                                            |  | 36,074 |        |  |  |                                            |   |  |                          | 18,083,871 |   |             |  | 2,490,693  |   |  |  | 2,621,685 |   |  |  | 23,196,249 |  
|                                               |  |                                               |           |  |                         |  |           |                             |  |  |                                 |  |  |                                   |            |   |                                                            |  |        |        |  |  |                                             |   |  |                          |            |   |             |  |            |   |  |  |           |   |  |  |            |  





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##### Table of Contents

ChipMOS TECHNOLOGIES INC. AND SUBSIDIARIES

Consolidated Statements of Changes in Equity (Continued)

For the years ended December 31, 2014, 2015 and 2016







|                                                      |  |                                               |           |   |                         |  |           |                             |  |  |                                 |  |  |                                   |            |   |                        |  |        |                        |  |  |          |   |  |                                             |          |   |                          |  |            |             |  |  |            |   |  |  |            |   |  |  |            |  
|----------------------------------------------------- |  | --------------------------------------------- | --------- | - | ----------------------- |  | --------- | --------------------------- |  |  | ------------------------------- |  |  | --------------------------------- | ---------- | - | ---------------------- |  | ------ | ---------------------- |  |  | -------- | - |  | ------------------------------------------- | -------- | - | ------------------------ |  | ---------- | ----------- |  |  | ---------- | - |  |  | ---------- | - |  |  | ---------- | -
|                                                      |  | Attributable to equity holders of the Company |           |   |                         |  |           |                             |  |  |                                 | 
|                                                      |  |                                               |           |   |                         |  |           | Retained earnings (Note 21) |  |  | Other reserve                   |  |  |                                   |            |   |                        |  |        |                        |  |  |          |   |  |                                             |         
|                                                      |  | Issuedcapital(Note 20)                        |           |   | Capitalsurplus(Note 21) |  |           | Legalreserve                |  |  | Unappropriatedretained earnings |  |  | Foreigncurrencytranslationreserve |            |   | Unearnedemployeeawards |  |        | Treasurystock(Note 22) |  |  | Total    |   |  | Equityattributable topredecessorsinterests |          |   | Non-controllinginterests |  |            | Totalequity | 
|                                                      |  | NT$000                                        |           |   | NT$000                  |  |           | NT$000                      |  |  | NT$000                          |  |  | NT$000                            |            |   | NT$000                 |  |        | NT$000                 |  |  | NT$000   |   |  | NT$000                                      |          |   | NT$000                   |  |            | NT$000      | 
|January 1, 2015 (Adjusted)                            |  |                                               | 8,646,193 |   |                         |  | 2,272,838 |                             |  |  | 582,927                         |  |  |                                   | 6,545,839  |   |                        |  | 36,074 |                        |  |  |         |   |  |                                             |         |   |                          |  | 18,083,871 |             |  |  | 2,490,693  |   |  |  | 2,621,685  |   |  |  | 23,196,249 |  
|Appropriations of prior years earnings:              |  |                                               |           |   |                         |  |           |                             |  |  |                                 |  |  |                                   |            |   |                        |  |        |                        |  |  |          |   |  |                                             |          |   |                          |  |            |             |  |  |            |   |  |  |            |   |  |  |            |  
|Legal reserve(Note 21)                                |  |                                               |          |   |                         |  |          |                             |  |  | 331,863                         |  |  |                                   | (331,863   | ) |                        |  |       |                        |  |  |         |   |  |                                             |         |   |                          |  |           |             |  |  |           |   |  |  |           |   |  |  |           |  
|Cash dividends - the Company (Notes 11and 21)         |  |                                               |          |   |                         |  |          |                             |  |  |                                |  |  |                                   | (1,999,225 | ) |                        |  |       |                        |  |  |         |   |  |                                             |         |   |                          |  | (1,999,225 | )           |  |  | 1,159,018  |   |  |  |           |   |  |  | (840,207   | )
|Cash dividends - predecessors interests              |  |                                               |          |   |                         |  |          |                             |  |  |                                |  |  |                                   |           |   |                        |  |       |                        |  |  |         |   |  |                                             |         |   |                          |  |           |             |  |  | (125,293   | ) |  |  |           |   |  |  | (125,293   | )
|Share-based payments                                  |  |                                               |          |   |                         |  | 51,233    |                             |  |  |                                |  |  |                                   |           |   |                        |  |       |                        |  |  |         |   |  |                                             |         |   |                          |  | 51,233     |             |  |  | 123,168    |   |  |  | 564        |   |  |  | 174,965    |  
|Restricted shares                                     |  |                                               | 156,550   |   |                         |  | 397,296   |                             |  |  |                                |  |  |                                   |           |   |                        |  |       |                        |  |  | (447,323 | ) |  |                                             |         |   |                          |  | 106,523    |             |  |  |           |   |  |  |           |   |  |  | 106,523    |  
|Repurchase of shares(Note 22)                         |  |                                               |          |   |                         |  |          |                             |  |  |                                |  |  |                                   |           |   |                        |  |       |                        |  |  |         |   |  |                                             | (633,737 | ) |                          |  | (633,737   | )           |  |  | (1,228,625 | ) |  |  |           |   |  |  | (1,862,362 | )
|Cancellation of shares(Note 22)                       |  |                                               | (200,000  | ) |                         |  | (56,823   | )                           |  |  |                                |  |  |                                   | (376,914   | ) |                        |  |       |                        |  |  |         |   |  |                                             | 633,737  |   |                          |  |           |             |  |  |           |   |  |  |           |   |  |  |           |  
|Acquisition of the interest of a subsidiary (Note 30) |  |                                               | 359,323   |   |                         |  | 1,091,305 |                             |  |  |                                |  |  |                                   | (275,500   | ) |                        |  | 17,964 |                        |  |  |         |   |  |                                             |         |   |                          |  | 1,193,092  |             |  |  |           |   |  |  | (2,637,316 | ) |  |  | (1,444,224 | )
|Profit (loss) for the year                            |  |                                               |          |   |                         |  |          |                             |  |  |                                |  |  |                                   | 2,130,324  |   |                        |  |       |                        |  |  |         |   |  |                                             |         |   |                          |  | 2,130,324  |             |  |  | (291,429   | ) |  |  | 37,073     |   |  |  | 1,875,968  |  
|Other comprehensive income for the year               |  |                                               |          |   |                         |  |          |                             |  |  |                                |  |  |                                   | (34,824    | ) |                        |  | 9,630  |                        |  |  |         |   |  |                                             |         |   |                          |  | (25,194    | )           |  |  |           |   |  |  | (22,006    | ) |  |  | (47,200    | )
|                                                      |  |                                               |           |   |                         |  |           |                             |  |  |                                 |  |  |                                   |            |   |                        |  |        |                        |  |  |          |   |  |                                             |          |   |                          |  |            |             |  |  |            |   |  |  |            |   |  |  |            |  
|December 31, 2015 (Adjusted)                          |  |                                               | 8,962,066 |   |                         |  | 3,755,849 |                             |  |  | 914,790                         |  |  |                                   | 5,657,837  |   |                        |  | 63,668 |                        |  |  | (447,323 | ) |  |                                             |         |   |                          |  | 18,906,887 |             |  |  | 2,127,532  |   |  |  |           |   |  |  | 21,034,419 |  
|                                                      |  |                                               |           |   |                         |  |           |                             |  |  |                                 |  |  |                                   |            |   |                        |  |        |                        |  |  |          |   |  |                                             |          |   |                          |  |            |             |  |  |            |   |  |  |            |   |  |  |            |  





F-9



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##### Table of Contents

ChipMOS TECHNOLOGIES INC. AND SUBSIDIARIES

Consolidated Statements of Changes in Equity (Continued)

For the years ended December 31, 2014, 2015 and 2016







|                                                                       |  |                                               |           |   |                         |  |           |                             |  |  |                                |  |  |                                   |            |   |                                                                                                               |  |          |                        |  |  |                         |  |  |        |          |   |                                             |  |            |             |  |  |            |   |  |  |            |   |  |  |            |  
|---------------------------------------------------------------------- |  | --------------------------------------------- | --------- | - | ----------------------- |  | --------- | --------------------------- |  |  | ------------------------------ |  |  | --------------------------------- | ---------- | - | ------------------------------------------------------------------------------------------------------------- |  | -------- | ---------------------- |  |  | ----------------------- |  |  | ------ | -------- | - | ------------------------------------------- |  | ---------- | ----------- |  |  | ---------- | - |  |  | ---------- | - |  |  | ---------- | -
|                                                                       |  | Attributable to equity holders of the Company |           |   |                         |  |           |                             | 
|                                                                       |  |                                               |           |   |                         |  |           | Retained earnings (Note 21) |  |  | Other reserve                  |  |  |                                   |            |   |                                                                                                               |  |          |                        |  |  |                         | 
|                                                                       |  | Issuedcapital(Note 20)                        |           |   | Capitalsurplus(Note 21) |  |           | Legalreserve                |  |  | Unappropriatedretainedearnings |  |  | Foreigncurrencytranslationreserve |            |   | Amountsrecognized inothercomprehensiveincome andaccumulatedin equityrelating
tonon-currentassetsheld for sale |  |          | Unearnedemployeeawards |  |  | Treasury stock(Note 22) |  |  | Total  |          |   | Equityattributable topredecessorsinterests |  |            | Totalequity | 
|                                                                       |  | NT$000                                        |           |   | NT$000                  |  |           | NT$000                      |  |  | NT$000                         |  |  | NT$000                            |            |   | NT$000                                                                                                        |  |          | NT$000                 |  |  | NT$000                  |  |  | NT$000 |          |   | NT$000                                      |  |            | NT$000      | 
|January 1, 2016 (Adjusted)                                             |  |                                               | 8,962,066 |   |                         |  | 3,755,849 |                             |  |  | 914,790                        |  |  |                                   | 5,657,837  |   |                                                                                                               |  | 63,668   |                        |  |  |                        |  |  |        | (447,323 | ) |                                             |  |           |             |  |  | 18,906,887 |   |  |  | 2,127,532  |   |  |  | 21,034,419 |  
|Appropriations of prior years earnings:                               |  |                                               |           |   |                         |  |           |                             |  |  |                                |  |  |                                   |            |   |                                                                                                               |  |          |                        |  |  |                         |  |  |        |          |   |                                             |  |            |             |  |  |            |   |  |  |            |   |  |  |            |  
|Legal reserve(Note 21)                                                 |  |                                               |          |   |                         |  |          |                             |  |  | 223,047                        |  |  |                                   | (223,047   | ) |                                                                                                               |  |         |                        |  |  |                        |  |  |        |         |   |                                             |  |           |             |  |  |           |   |  |  |           |   |  |  |           |  
|Cash dividends - the Company(Notes 11 and 21)                          |  |                                               |          |   |                         |  |          |                             |  |  |                               |  |  |                                   | (1,792,553 | ) |                                                                                                               |  |         |                        |  |  |                        |  |  |        |         |   |                                             |  |           |             |  |  | (1,792,553 | ) |  |  |           |   |  |  | (1,792,553 | )
|Share-based payments                                                   |  |                                               |          |   |                         |  | 56,689    |                             |  |  |                               |  |  |                                   |           |   |                                                                                                               |  |         |                        |  |  |                        |  |  |        |         |   |                                             |  |           |             |  |  | 56,689     |   |  |  | (128,602   | ) |  |  | (71,913    | )
|Restricted shares                                                      |  |                                               | 4,347     |   |                         |  | 10,755    |                             |  |  |                               |  |  |                                   | 14         |   |                                                                                                               |  |         |                        |  |  |                        |  |  |        | 247,119  |   |                                             |  |           |             |  |  | 262,235    |   |  |  |           |   |  |  | 262,235    |  
|Repurchase of shares (Note 22)                                         |  |                                               |          |   |                         |  |          |                             |  |  |                               |  |  |                                   |           |   |                                                                                                               |  |         |                        |  |  |                        |  |  |        |         |   |                                             |  | (1,007,654 | )           |  |  | (1,007,654 | ) |  |  |           |   |  |  | (1,007,654 | )
|Profit (loss) for the year                                             |  |                                               |          |   |                         |  |          |                             |  |  |                               |  |  |                                   | 1,707,222  |   |                                                                                                               |  |         |                        |  |  |                        |  |  |        |         |   |                                             |  |           |             |  |  | 1,707,222  |   |  |  | (306,012   | ) |  |  | 1,401,210  |  
|Other comprehensive income for the year                                |  |                                               |          |   |                         |  |          |                             |  |  |                               |  |  |                                   | (36,141    | ) |                                                                                                               |  | (200,280 | )                      |  |  |                        |  |  |        |         |   |                                             |  |           |             |  |  | (236,421   | ) |  |  |           |   |  |  | (236,421   | )
|Reclassification to equity related to non-current assets
held for sale |  |                                               |          |   |                         |  |          |                             |  |  |                               |  |  |                                   |           |   |                                                                                                               |  | (287,645 | )                      |  |  | 287,645                 |  |  |        |         |   |                                             |  |           |             |  |  |           |   |  |  |           |   |  |  |           |  
|Effect of capital reorganization (Note 31)                             |  |                                               | (96,750   | ) |                         |  | 3,065,533 |                             |  |  |                               |  |  |                                   | (5,052,343 | ) |                                                                                                               |  | 434,857  |                        |  |  |                        |  |  |        |         |   |                                             |  |           |             |  |  | (1,648,703 | ) |  |  | (1,692,918 | ) |  |  | (3,341,621 | )
|                                                                       |  |                                               |           |   |                         |  |           |                             |  |  |                                |  |  |                                   |            |   |                                                                                                               |  |          |                        |  |  |                         |  |  |        |          |   |                                             |  |            |             |  |  |            |   |  |  |            |   |  |  |            |  
|December 31, 2016                                                      |  |                                               | 8,869,663 |   |                         |  | 6,888,826 |                             |  |  | 1,137,837                      |  |  |                                   | 260,989    |   |                                                                                                               |  | 10,600   |                        |  |  | 287,645                 |  |  |        | (200,204 | ) |                                             |  | (1,007,654 | )           |  |  | 16,247,702 |   |  |  |           |   |  |  | 16,247,702 |  
|                                                                       |  |                                               |           |   |                         |  |           |                             |  |  |                                |  |  |                                   |            |   |                                                                                                               |  |          |                        |  |  |                         |  |  |        |          |   |                                             |  |            |             |  |  |            |   |  |  |            |   |  |  |            |  

The accompanying notes are an integral part of the consolidated financial statements.





F-10



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##### Table of Contents

ChipMOS TECHNOLOGIES INC. AND SUBSIDIARIES

Consolidated Statements of Cash Flows

For the years ended December 31, 2014, 2015 and 2016







|                                                                     |  |      |      |  |                |  |           |                |  |  |            |   |  |        |           |   |  |  |         |  
|-------------------------------------------------------------------- |  | ---- | ---- |  | -------------- |  | --------- | -------------- |  |  | ---------- | - |  | ------ | --------- | - |  |  | ------- | -
|                                                                     |  | Note |      |  | (Adjusted)2014 |  |           | (Adjusted)2015 |  |  | 2016       |   |  | 2016   |          
|                                                                     |  |      |      |  | NT$000         |  |           | NT$000         |  |  | NT$000     |   |  | US$000 |          
|Cash flows from operating activities                                 |  |      |      |  |                |  |           |                |  |  |            |   |  |        |           |   |  |  |         |  
|Profit before income tax  continuing operations                     |  |      |      |  |                |  | 4,702,914 |                |  |  | 2,846,056  |   |  |        | 1,700,435 |   |  |  | 52,483  |  
|Profit (loss) before income tax  discontinued operations            |  |      |      |  |                |  | 82,189    |                |  |  | (34,233    | ) |  |        | (122,105  | ) |  |  | (3,769  | )
|                                                                     |  |      |      |  |                |  |           |                |  |  |            |   |  |        |           |   |  |  |         |  
|Profit before income tax including discontinued operations           |  |      |      |  |                |  | 4,785,103 |                |  |  | 2,811,823  |   |  |        | 1,578,330 |   |  |  | 48,714  |  
|Adjustments to reconcile profit before income tax to net cash flows: |  |      |      |  |                |  |           |                |  |  |            |   |  |        |           |   |  |  |         |  
|Depreciation of property, plant and equipment                        |  |      | 14   |  |                |  | 2,906,085 |                |  |  | 3,018,977  |   |  |        | 3,228,441 |   |  |  | 99,643  |  
|Amortization of assets                                               |  |      |      |  |                |  | 2,880     |                |  |  | 2,946      |   |  |        | 2,838     |   |  |  | 88      |  
|Allowance (reversal) for impairment of accounts and notes receivable |  |      | 17   |  |                |  | (161      | )              |  |  |           |   |  |        | 87        |   |  |  | 3       |  
|Interest expense                                                     |  |      |      |  |                |  | 132,652   |                |  |  | 127,035    |   |  |        | 145,151   |   |  |  | 4,480   |  
|Interest income                                                      |  |      |      |  |                |  | (64,352   | )              |  |  | (68,283    | ) |  |        | (42,307   | ) |  |  | (1,306  | )
|Impairment of
available-for-sale financial assets                    |  |      | 8,12 |  |                |  |          |                |  |  | 8,584      |   |  |        |          |   |  |  |        |  
|Impairment of property, plant and equipment                          |  |      | 14   |  |                |  |          |                |  |  | 1,478      |   |  |        | 8,198     |   |  |  | 253     |  
|Gain on disposal of property, plant and equipment, net               |  |      |      |  |                |  | (39,394   | )              |  |  | (1,640     | ) |  |        | (6,839    | ) |  |  | (211    | )
|Gain on disposal of
available-for-sale financial assets              |  |      | 8    |  |                |  | (812,654  | )              |  |  |           |   |  |        |          |   |  |  |        |  
|Share of profit of associate                                         |  |      | 8    |  |                |  |          |                |  |  | (31,269    | ) |  |        | (28,924   | ) |  |  | (893    | )
|Donations                                                            |  |      |      |  |                |  |          |                |  |  |           |   |  |        | 127       |   |  |  | 4       |  
|Share-based payments                                                 |  |      | 5    |  |                |  | 281,614   |                |  |  | 207,242    |   |  |        | 356,463   |   |  |  | 11,002  |  
|Deferred income                                                      |  |      |      |  |                |  | (2,440    | )              |  |  | (2,496     | ) |  |        | (2,403    | ) |  |  | (74     | )
|Changes in operating assets and liabilities:                         |  |      |      |  |                |  |           |                |  |  |            |   |  |        |           |   |  |  |         |  
|Accounts and notes receivable                                        |  |      |      |  |                |  | (761,926  | )              |  |  | 986,205    |   |  |        | (480,348  | ) |  |  | (14,826 | )
|Other receivables                                                    |  |      |      |  |                |  | (352,904  | )              |  |  | (42,140    | ) |  |        | (124,226  | ) |  |  | (3,834  | )
|Inventories                                                          |  |      |      |  |                |  | (185,262  | )              |  |  | 36,974     |   |  |        | (347,133  | ) |  |  | (10,714 | )
|Other current assets                                                 |  |      |      |  |                |  | (157,505  | )              |  |  | 36,615     |   |  |        | (120,099  | ) |  |  | (3,707  | )
|Other financial assets                                               |  |      |      |  |                |  | (87,000   | )              |  |  | 191,974    |   |  |        | 17,243    |   |  |  | 532     |  
|Accounts payable                                                     |  |      |      |  |                |  | 118,126   |                |  |  | (366,445   | ) |  |        | 215,555   |   |  |  | 6,653   |  
|Other payables                                                       |  |      |      |  |                |  | 294,974   |                |  |  | 46,054     |   |  |        | (249,607  | ) |  |  | (7,704  | )
|Receipts in advance                                                  |  |      |      |  |                |  | 22,509    |                |  |  | (47,230    | ) |  |        | 2,150     |   |  |  | 66      |  
|Other current liabilities                                            |  |      |      |  |                |  | (13,472   | )              |  |  | (34,534    | ) |  |        | 6,694     |   |  |  | 207     |  
|Net defined benefit liability, non-current                           |  |      |      |  |                |  | (13,232   | )              |  |  | (14,044    | ) |  |        | (15,886   | ) |  |  | (490    | )
|                                                                     |  |      |      |  |                |  |           |                |  |  |            |   |  |        |           |   |  |  |         |  
|                                                                     |  |      |      |  |                |  | 6,053,641 |                |  |  | 6,867,826  |   |  |        | 4,143,505 |   |  |  | 127,886 |  
|Interest received                                                    |  |      |      |  |                |  | 64,701    |                |  |  | 67,960     |   |  |        | 44,413    |   |  |  | 1,370   |  
|Dividend received                                                    |  |      | 13   |  |                |  | 1,266     |                |  |  |           |   |  |        | 5,730     |   |  |  | 177     |  
|Interest paid                                                        |  |      |      |  |                |  | (132,554  | )              |  |  | (127,568   | ) |  |        | (145,668  | ) |  |  | (4,496  | )
|Income tax paid                                                      |  |      |      |  |                |  | (387,097  | )              |  |  | (1,412,427 | ) |  |        | (499,293  | ) |  |  | (15,410 | )
|                                                                     |  |      |      |  |                |  |           |                |  |  |            |   |  |        |           |   |  |  |         |  
|Net cash generated from operating activities                         |  |      |      |  |                |  | 5,599,957 |                |  |  | 5,395,791  |   |  |        | 3,548,687 |   |  |  | 109,527 |  
|                                                                     |  |      |      |  |                |  |           |                |  |  |            |   |  |        |           |   |  |  |         |  





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##### Table of Contents

ChipMOS TECHNOLOGIES INC. AND SUBSIDIARIES

Consolidated Statements of Cash Flows (Continued)

For
the years ended December 31, 2014, 2015 and 2016







|                                                       |  |      |       |  |                |  |            |                |  |  |            |   |  |        |            |   |  |  |          |  
|------------------------------------------------------ |  | ---- | ----- |  | -------------- |  | ---------- | -------------- |  |  | ---------- | - |  | ------ | ---------- | - |  |  | -------- | -
|                                                       |  | Note |       |  | (Adjusted)2014 |  |            | (Adjusted)2015 |  |  | 2016       |   |  | 2016   |           
|                                                       |  |      |       |  | NT$000         |  |            | NT$000         |  |  | NT$000     |   |  | US$000 |           
|Cash flows from investing activities                   |  |      |       |  |                |  |            |                |  |  |            |   |  |        |            |   |  |  |          |  
|Proceeds from sales of property, plant and equipment   |  |      |       |  |                |  | 3,974      |                |  |  | 48,275     |   |  |        | 59,134     |   |  |  | 1,825    |  
|Acquisition of property, plant and equipment           |  |      | 32    |  |                |  | (3,119,020 | )              |  |  | (4,428,057 | ) |  |        | (4,471,465 | ) |  |  | (138,008 | )
|Acquisition of
available-for-sale financial assets     |  |      |       |  |                |  | (209,114   | )              |  |  |           |   |  |        |           |   |  |  |         |  
|Acquisition of investment in associate                 |  |      | 13    |  |                |  |           |                |  |  | (116,000   | ) |  |        |           |   |  |  |         |  
|Decrease (increase) in refundable deposits             |  |      |       |  |                |  | (791       | )              |  |  | (589       | ) |  |        | 407        |   |  |  | 13       |  
|Decrease (increase) in other financial assets          |  |      |       |  |                |  | (468       | )              |  |  | (7,822     | ) |  |        | (5,466     | ) |  |  | (169     | )
|                                                       |  |      |       |  |                |  |            |                |  |  |            |   |  |        |            |   |  |  |          |  
|Net cash used in investing activities                  |  |      |       |  |                |  | (3,325,419 | )              |  |  | (4,504,193 | ) |  |        | (4,417,390 | ) |  |  | (136,339 | )
|                                                       |  |      |       |  |                |  |            |                |  |  |            |   |  |        |            |   |  |  |          |  
|Cash flows from financing activities                   |  |      |       |  |                |  |            |                |  |  |            |   |  |        |            |   |  |  |          |  
|Prepaid cost of issuing new shares                     |  |      |       |  |                |  |           |                |  |  | (42,774    | ) |  |        |           |   |  |  |         |  
|Proceeds from short-term bank loans, net               |  |      |       |  |                |  | 981,590    |                |  |  | (619,395   | ) |  |        | (1,148,875 | ) |  |  | (35,459  | )
|Proceeds from long-term bank loans                     |  |      |       |  |                |  | 6,000,000  |                |  |  | 2,000,000  |   |  |        | 10,560,000 |   |  |  | 325,926  |  
|Payments on long-term bank loans                       |  |      |       |  |                |  | (6,695,575 | )              |  |  | (1,508,153 | ) |  |        | (6,200,567 | ) |  |  | (191,376 | )
|Decrease (increase) in guarantee deposits              |  |      |       |  |                |  | (498       | )              |  |  | 405        |   |  |        | (44        | ) |  |  | (2       | )
|Payments on repurchase of shares                       |  |      | 32    |  |                |  | (722,093   | )              |  |  | (1,441,359 | ) |  |        | (1,007,654 | ) |  |  | (31,100  | )
|Proceeds from partial disposal of a subsidiary         |  |      |       |  |                |  | 33,686     |                |  |  |           |   |  |        |           |   |  |  |         |  
|Acquisition of the interest of a subsidiary            |  |      | 30    |  |                |  |           |                |  |  | (1,444,224 | ) |  |        |           |   |  |  |         |  
|Cash received (paid) in respect of share-based payment |  |      |       |  |                |  | 22,638     |                |  |  | (7,873     | ) |  |        | (292,623   | ) |  |  | (9,031   | )
|Cash dividend  the Company                            |  |      | 11,21 |  |                |  | (491,923   | )              |  |  | (840,207   | ) |  |        | (1,792,553 | ) |  |  | (55,326  | )
|Cash dividend  Predecessors interests                |  |      |       |  |                |  | (123,392   | )              |  |  | (125,293   | ) |  |        |           |   |  |  |         |  
|Payments on capital reorganization                     |  |      | 31,32 |  |                |  |           |                |  |  |           |   |  |        | (3,341,621 | ) |  |  | (103,136 | )
|Issuance of shares                                     |  |      |       |  |                |  | 576,746    |                |  |  |           |   |  |        |           |   |  |  |         |  
|                                                       |  |      |       |  |                |  |            |                |  |  |            |   |  |        |            |   |  |  |          |  
|Net cash used in financing activities                  |  |      |       |  |                |  | (418,821   | )              |  |  | (4,028,873 | ) |  |        | (3,223,937 | ) |  |  | (99,504  | )
|                                                       |  |      |       |  |                |  |            |                |  |  |            |   |  |        |            |   |  |  |          |  
|Net increase (decrease) in cash and cash equivalents   |  |      |       |  |                |  | 1,855,717  |                |  |  | (3,137,275 | ) |  |        | (4,092,640 | ) |  |  | (126,316 | )
|Effect of foreign exchange rate changes                |  |      |       |  |                |  | 36,666     |                |  |  | (528       | ) |  |        | (73,447    | ) |  |  | (2,267   | )
|Cash and cash equivalents at beginning of year         |  |      |       |  |                |  | 13,372,770 |                |  |  | 15,265,153 |   |  |        | 12,127,350 |   |  |  | 374,301  |  
|                                                       |  |      |       |  |                |  |            |                |  |  |            |   |  |        |            |   |  |  |          |  
|Cash and cash equivalents at end of year               |  |      | 18    |  |                |  | 15,265,153 |                |  |  | 12,127,350 |   |  |        | 7,961,263  |   |  |  | 245,718  |  
|                                                       |  |      |       |  |                |  |            |                |  |  |            |   |  |        |            |   |  |  |          |  

The accompanying notes are an integral part of the consolidated financial statements.





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##### Table of Contents

ChipMOS TECHNOLOGIES INC. AND SUBSIDIARIES

Notes to the Consolidated Financial Statements

December 31, 2014, 2015 and 2016







|1. | Corporate and group information
|-- | -------------------------------

ChipMOS TECHNOLOGIES INC. (the
Company or ChipMOS Taiwan) was incorporated in the Republic of China (ROC) on July 28, 1997. It was primarily engaged in the research, development, manufacturing and sale of high-integration and
high-precision integrated circuits and related assembly and testing services. The Companys ordinary shares were publicly listed on the Taiwan Stock Exchange (TWSE) on April 11, 2014.

On June 17, 2015, the former 47.54%-owned subsidiary, ThaiLin Semiconductor Corp. (ThaiLin) was merged with and into ChipMOS
Taiwan, with ChipMOS Taiwan being the surviving company after the merger. The transaction was treated as an equity transaction. Please see note 30 for detailed information.

As of October 31, 2016, the former parent company, ChipMOS TECHNOLOGIES (Bermuda) LTD. (ChipMOS Bermuda) owned 60.25% of ChipMOS
Taiwans outstanding shares, was merged with and into ChipMOS Taiwan, with the latter being the surviving company after the merger, pursuant to the agreement and plan of merger, dated January 21, 2016, by and between ChipMOS Bermuda and
ChipMOS Taiwan (the Merger). Detailed information about the capital reorganization is provided in Note 2 ff).

On
November 1, 2016, the Companys American Depositary Shares (ADSs) was listed on the NASDAQ Global Select Market and traded under the ticker symbol IMOS.

As of November 30, 2016, the Board of Directors of the Company approved an agreement to form a joint-venture between the Company and
Tsinghua Unigroup Ltd. (Tsinghua Unigroup). Under the joint-venture agreement, ChipMOS TECHNOLOGIES (BVI) LTD. (ChipMOS BVI), a wholly-owned subsidiary of ChipMOS Taiwan, will sell 54.98% of the equity interests of its
wholly-owned subsidiary, ChipMOS TECHNOLOGIES (Shanghai) LTD. (ChipMOS Shanghai), to a group led by Tsinghua Unigroup (strategic investors). After the consummation of such equity interest transfer, ChipMOS BVI will own 45.02%
of the equity interests of ChipMOS Shanghai. As of December 31, 2016, the equity transfer was not completed and ChipMOS Taiwan owned 100% of the outstanding shares of ChipMOS BVI and ChipMOS BVI owned 100% of the interests of ChipMOS Shanghai.
Therefore, the assets, liabilities and equity related to ChipMOS Shanghai have been reclassified as held for sale and presented as discontinued operations for satisfying the definition of discontinued operations. Please see note 19 for detailed
information. The equity transfer was completed on March 24, 2017.

These consolidated financial statements included the financial
results of the Company and its subsidiaries (the Group), ThaiLin (merged into ChipMOS Taiwan on June 17, 2015), ChipMOS U.S.A., Inc. (ChipMOS USA), ChipMOS BVI and ChipMOS Shanghai for the years ended December 31,
2016.





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##### Table of Contents

ChipMOS TECHNOLOGIES INC. AND SUBSIDIARIES

Notes to the Consolidated Financial Statements (Continued)

December 31, 2014, 2015 and 2016







|1. | Corporate and group information (continued)
|-- | -------------------------------------------

|
|



As of December 31, 2016, the consolidated financial statements of the Company include:



LOGO

ThaiLin was incorporated on May 15, 1996 and is listed on the GreTai Securities Market in Taiwan.
ThaiLin is engaged in wafer and semiconductor testing services. On December 31, 2002, ChipMOS Taiwan acquired an equity interest of 41.78% in ThaiLin. The interest in ThaiLin subsequently increased to 47.54%. On December 1, 2003, ChipMOS
Taiwan obtained controlling influence over ThaiLins decisions on its operations, personnel and financial policies. Therefore, ThaiLin has been consolidated into these financial statements from December 1, 2003 in spite of the fact that
ChipMOS Taiwan holds an equity interest of less than 50% in ThaiLin prior to June 2015. As of December 31, 2014, ChipMOS Taiwan held a 47.54% equity interest in ThaiLin. ThaiLin was merged into ChipMOS Taiwan. (see above and note 30)

ChipMOS USA was incorporated in the United States of America in October 1999. It engages in sales and customer services and all the expenses
incurred from these activities are charged to current income. ChipMOS USA began generating revenue in 2001. As of December 31, 2016, ChipMOS Taiwan owned 100% (2015: 100%) of the outstanding shares of ChipMOS USA.

ChipMOS BVI was incorporated in the British Virgin Islands on January 29, 2002. ChipMOS BVI conducts its operations through ChipMOS
Shanghai. ChipMOS Shanghai was established in the Peoples Republic of China (PRC) on June 7, 2002. ChipMOS Shanghai is engaged in wafer testing, semiconductor assembly and testing, and module and subsystem manufacturing.
ChipMOS Shanghai commenced commercial production in 2003. Under an Assignment and Assumption Agreement signed on April 22, 2011, ThaiLin agreed to purchase a convertible notes issued by ChipMOS BVI (MMT Notes) from ChipMOS Bermuda
for a purchase price US$39,950 thousand. On October 3, 2011, the transaction was completed. On October 3, 2011, ThaiLin converted the MMT Notes into ordinary shares of ChipMOS BVI and purchased all of the remaining ordinary shares of
ChipMOS BVI from ChipMOS BVIs sole shareholder, Jesper Limited. ChipMOS BVI and its wholly-owned subsidiary, ChipMOS Shanghai, became wholly-owned subsidiaries of ThaiLin. Following the merger of ChipMOS Taiwan and ThaiLin completed on
June 17, 2015, ChipMOS BVI and ChipMOS Shanghai became wholly-owned subsidiaries of ChipMOS Taiwan.





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##### Table of Contents

ChipMOS TECHNOLOGIES INC. AND SUBSIDIARIES

Notes to the Consolidated Financial Statements (Continued)

December 31, 2014, 2015 and 2016







|2. | Basis of preparation of financial statements and principal accounting policies
|-- | ------------------------------------------------------------------------------



| | a) | Basis of preparation
| | -- | --------------------

These consolidated financial statements have
been prepared in accordance with International Financial Reporting Standards (IFRSs), which collective term includes all applicable individual IFRSs, International Accounting Standards (IASs) issued by the International
Accounting Standards Board (IASB) and Interpretations issued by the International Financial Reporting Interpretations Committee (IFRIC) of the IASB.

The consolidated financial statements have been prepared on a historical cost basis, except for the available-for-sale financial assets and defined benefit pension plans  plan assets measured at fair value.

These consolidated financial statements are presented in New Taiwan dollars (NT$), which is the Companys functional currency.



| | b) | New and amended standards adopted by the group
| | -- | ----------------------------------------------

None.



| | c) | New and revised International Financial Reporting Standards not yet adopted
| | -- | ---------------------------------------------------------------------------

Amendments to IFRSs which have been published but are not mandatory for the financial year ending December 31, 2016 are not expected to
have a material impact on the Group. Major Amendment to IFRSs that are not yet effective are listed below:



|                                                 |  |                       |                 | 
|------------------------------------------------ |  | --------------------- | --------------- | 
|New Standards, Interpretations and Amendments    |  | Effective date byIASB |                
|IFRS 9, Financial Instruments                  |  |                       | January 1, 2018 | 
|IFRS 15, Revenue from Contracts with Customers |  |                       | January 1, 2018 | 
|IFRS 16, Leases                                |  |                       | January 1, 2019 | 

Other Amendments to IFRSs not listed above are not expected to have a material impact on the entity in the
current or future reporting periods and on foreseeable future transactions.



| | d) | Basis of consolidation
| | -- | ----------------------

The consolidated financial statements
include the accounts of ChipMOS Taiwan and all entities controlled by ChipMOS Taiwan. The financial statements of subsidiaries are prepared for the same reporting period as the Company, using consistent accounting policies. The results of
subsidiaries are consolidated from the date on which the Group obtains control, and continue to be consolidated until the date that such control ceases.

Profit or loss and each component of other comprehensive income are attributed to the owners of the parent of the Group and to the non-controlling interests, even if this results in the non-controlling interests having a deficit balance. All intra-group transactions, balances, income and expenses are
eliminated in full on consolidation.

The Group reassesses whether or not it controls an investee if facts and circumstances indicate that
there are changes to one or more of the three elements of control described in the accounting policy for subsidiaries below.

Changes in
the Groups ownership interests in subsidiaries that do not result in the Group losing control over the subsidiaries are accounted for as equity transactions. The carrying amounts of the Groups interests and the non-controlling interests are adjusted to reflect the changes in their relative interests in the subsidiaries. Any difference between the amount by which the non-controlling
interests are adjusted and the fair value of the consideration paid or received is recognized directly in equity and attributed to owners of the Company.





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##### Table of Contents

ChipMOS TECHNOLOGIES INC. AND SUBSIDIARIES

Notes to the Consolidated Financial Statements (Continued)

December 31, 2014, 2015 and 2016







|2. | Basis of preparation of financial statements and principal accounting policies (continued)
|-- | ------------------------------------------------------------------------------------------



| | d) | Basis of consolidation (continued)
| | -- | ----------------------------------



When the Group loses control of a subsidiary, the profit or loss on disposal is calculated as
the difference between (i) the aggregate of the fair value of the consideration received and the fair value of any investment retained and (ii) the previous carrying amount of the assets (including goodwill), and liabilities of the
subsidiary and any non-controlling interests. The Groups share of components previously recognized in other comprehensive income is reclassified to consolidated statements of comprehensive income or
retained profits, as appropriate, on the same basis as would be required if the Group had directly disposed of the related assets or liabilities.



| | e) | Significant judgements and estimates
| | -- | ------------------------------------

The preparation of consolidated
financial statements requires management to make judgements, estimates and assumptions that affect the recorded amounts of assets, liabilities, revenue and expenses of the Group. The Group continually evaluates these estimates, including those
related to share-based payments, impairment of receivables, impairment of non-financial assets, depreciation of property, plant and equipment, defined benefit plans, deferred tax assets and deferred tax
liabilities. The Group bases its estimates on historical experience and other assumptions, which it believes to be reasonable under the circumstances. Actual results may differ from these estimates under different assumptions and conditions.

The estimates and underlying assumptions are reviewed on an ongoing basis. Revisions to accounting estimates are recognized in
the period in which the estimate is revised if the revision affects only that periods, or in the period of the revision and future periods if the revision affects both current and future periods.

Management has considered the development, selection and disclosure of the Groups critical accounting policies and estimates.

Judgements

In the process
of applying the Groups accounting policies, management has made the following judgements which have the most significant effect on the amounts recognized in the consolidated financial statements:

Provisions - warranties

The Group is primarily providing high-integration and high-precision integrated circuit of the packaging and testing services. In cases of
deficiencies in the assembly and testing services provided, the Group has to clarify the reason for deficiencies and attribution of responsibility. The Group follows the guidance of IAS 37 Provisions, Contingent Liabilities and Contingent
Assets to determine warranty provisions. Since the timing and amount of these warranties are based on assumptions and estimates it requires management to make critical judgements.

Estimates and assumptions

Revenue recognition

The
Group estimates sales discounts and returns based on historical results and other known factors. Provisions for such liabilities are recorded as a deduction item to sales revenues when the sales are recognized. The Group reassesses the
reasonableness of estimates of discounts and returns periodically.





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##### Table of Contents

ChipMOS TECHNOLOGIES INC. AND SUBSIDIARIES

Notes to the Consolidated Financial Statements (Continued)

December 31, 2014, 2015 and 2016







|2. | Basis of preparation of financial statements and principal accounting policies(continued)
|-- | -----------------------------------------------------------------------------------------

|
|



| | e) | Significant judgements and estimates (continued)
| | -- | ------------------------------------------------



Causes and effects of accounting change

By considering the Groups experience on using similar property, plant and equipment in prior periods as well as by referring to the
experience from peer industry, on November 10, 2016, the Board of Directors approved to change the estimated useful lives of certain properties from 11 years to 16 years and certain equipment from 2~6 years to 2~8 years effectively from
November 1, 2016, in order to better reflect economic benefits from usage of those properties and equipment. The impact on depreciation expenses of current and future periods were expected as follows:



|                                  |  |        |          |   |        |  |          |        |  |  |          |   |  |  |          |  
|--------------------------------- |  | ------ | -------- | - | ------ |  | -------- | ------ |  |  | -------- | - |  |  | -------- | -
|                                  |  | 2016   |          |   | 2017   |  |          | 2018   |  |  | 2019     |  
|                                  |  | NT$000 |          |   | NT$000 |  |          | NT$000 |  |  | NT$000   |  
|Decrease in depreciation expenses |  |        | (119,737 | ) |        |  | (609,094 | )      |  |  | (392,431 | ) |  |  | (168,066 | )
|                                  |  |        |          |   |        |  |          |        |  |  |          |   |  |  |          |  



| | f) | Property, plant and equipment and depreciation
| | -- | ----------------------------------------------

Property, plant and
equipment are stated at cost, less provision for depreciation and impairment losses, if any.

The cost of an item of property, plant and
equipment comprises its purchase price and any directly attributable cost of bringing the asset to its working condition and location for its intended use. Expenditure incurred after the item has been put into operation, such as repairs and
maintenance and overhaul costs, is normally charged to the consolidated statements of comprehensive income in the year in which it is incurred. In situations where it can be clearly demonstrated that the expenditure has resulted in an increase in
future economic benefits expected to be obtained from the use of the item, the expenditure is capitalized as an additional cost of the item. When an item of property, plant and equipment is disposed of or retired, its cost and accumulated
depreciation are removed from the financial statements and any gain or loss resulting from the disposal or retirement, being the difference between the net proceeds and the carrying amount of the asset, is included in consolidated statements of
comprehensive income.

Depreciation is provided on the straight-line method, based on the estimated useful life of the individual assets,
as follows:



|                                  |  |              
|--------------------------------- |  | -------------
|Buildings and auxiliary equipment |  | 6 to 51 years
|Machinery and equipment           |  | 2 to 8 years 
|Tools                             |  | 2 to 5 years 
|Other equipment                   |  | 2 to 6 years 

Where parts of an item of property, plant and equipment have different useful lives, the cost of that item is
allocated on a reasonable basis among the parts and each part is depreciated separately. Residual values, useful lives and the depreciation method are reviewed, and adjusted if appropriate, at least at each financial year end.

An item of property, plant and equipment including any significant part initially recognized is derecognized upon disposal or when no future
economic benefits are expected from its use or disposal. Any gain or loss on disposal or retirement recognized in the consolidated statements of comprehensive income in the year the asset is derecognized is the difference between the net sales
proceeds and the carrying amount of the relevant asset.





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##### Table of Contents

ChipMOS TECHNOLOGIES INC. AND SUBSIDIARIES

Notes to the Consolidated Financial Statements (Continued)

December 31, 2014, 2015 and 2016







|2. | Basis of preparation of financial statements and principal accounting policies(continued)
|-- | -----------------------------------------------------------------------------------------



| | g) | Impairment of non-financial assets
| | -- | ----------------------------------

Where an indication of impairment exists, or when periodical impairment testing for an asset is required (other than inventories, deferred tax
assets and financial assets), the recoverable amount of the asset is estimated. An assets recoverable amount is the higher of the value in use of the asset or cash-generating unit to which it belongs and its fair value less costs to sell, and
is determined for an individual asset, unless the asset does not generate cash inflows that are largely independent of those from other assets or groups of assets, in which case the recoverable amount is determined for the cash-generating unit to
which the asset belongs.

An impairment loss is recognized only if the carrying amount of an asset exceeds its recoverable amount. In
assessing value in use, the estimated future cash flows are discounted to their present value using a pre-tax discount rate that reflects current market assessments of the time value of money and the risks
specific to the asset. An impairment loss is charged to the consolidated statements of comprehensive income in the period in which it arises in those expense categories consistent with the function of the impaired asset.

An assessment is made at the end of each reporting period as to whether there is any indication that previously recognized impairment losses
may no longer exist or may have decreased. If such indication exists, the recoverable amount is estimated. A previously recognized impairment loss of an asset is reversed only if there has been a change in the estimates used to determine the
recoverable amount of that asset, but not to an amount higher than the carrying amount that would have been determined (net of any depreciation), had no impairment loss been recognized for the asset in prior years. A reversal of such impairment loss
is credited to the consolidated statements of comprehensive income in the period in which it arises.



| | h) | Inventories
| | -- | -----------

Inventories are stated at the lower of cost and net
realizable value. Cost is determined on a weighted average cost basis and includes all costs of purchase, costs of conversion, and other costs incurred in bringing the inventories to their present location and condition.

Net realizable value is the estimated selling price in the ordinary course of business less the estimated costs of completion and the estimated
costs necessary to make the sale.

When inventories are consumed, the carrying amount of those inventories is recognized as cost of revenue
in the period in which the related revenue is recognized. The amount of any write-down of inventories to net realizable value and all losses of inventories are recognized as cost of revenue in the period the write-down or loss occurs. The amount of
any reversal of any write-down of inventories is recognized as a reduction in the amount of inventories recognized as cost of revenue in the period in which the reversal occurs.



| | i) | Non-current assets held for sale
| | -- | --------------------------------

Non-current assets are classified as assets held for sale when their carrying amount is to be recovered principally through a sale transaction rather than through continuing use, and a sale is considered highly
probable. They are stated at the lower of carrying amount and fair value less costs to sell.





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ChipMOS TECHNOLOGIES INC. AND SUBSIDIARIES

Notes to the Consolidated Financial Statements (Continued)

December 31, 2014, 2015 and 2016







|2. | Basis of preparation of financial statements and principal accounting policies (continued)
|-- | ------------------------------------------------------------------------------------------



| | j) | Investments and other financial assets
| | -- | --------------------------------------

Initial recognition and
measurement

The Groups financial assets are classified, at initial recognition, into financial assets at fair value through
profit or loss (FVTPL), loans and receivables and available-for-sale financial investments. When financial assets are recognized initially, they are measured
at fair value plus transaction costs that are attributable to the acquisition of the financial assets.

All regular way purchases or sales
of financial assets are recognized on the trade date, that is, the date that the Group commits to purchase or sell the asset. Regular way purchases or sales are purchases or sales of financial assets that require delivery of assets within the time
frame established by regulation or convention in the marketplace.

Effective interest method

The effective interest method is a method of calculating the amortized cost of loans and receivables and a debt instrument and of allocating
interest income over the relevant period. The effective interest rate is the rate that exactly discounts estimated future cash receipts (including all fees on points paid or received that form an integral part of the effective interest rate,
transaction costs and other premiums or discounts) through the expected life of the debt instrument, or, where appropriate, a shorter period.

Income is recognized on an effective interest basis for debt instruments.

Subsequent measurement

The subsequent measurement of financial assets depends on their classification as follows:

Financial assets at fair value through profit or loss

Financial assets at FVTPL include financial assets held for trading and those designated as at FVTPL upon initial recognition.

A financial asset is classified as held for trading, mainly for cash management purpose as part of operating activities, if it has been
acquired principally for the purpose of selling in the near future; or it is a part of an identified portfolio of financial instruments that the Group manages together and has a recent actual pattern of short-term profit-taking; or it is a
derivative that is not designated and effective as a hedging instrument.

A financial asset other than a financial asset held for trading
may be designated as at FVTPL upon initial recognition if:



| |  |  | such designation eliminates or significantly reduces a measurement or recognition inconsistency that would otherwise arise; or
| | - |  | ------------------------------------------------------------------------------------------------------------------------------



| |  |  | the financial asset forms part of a group of financial assets or financial liabilities or both, which is managed and its performance is evaluated on fair value basis, in accordance with the Groups documented risk
management or investment strategy, and information about the grouping is provided internally on that basis; or
| | - |  | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------



| |  |  | it forms part of a contract containing one or more embedded derivatives, and IAS 39 Financial Instruments: Recognition and Measurement permits the entire combined contract (asset or liability) to be
designated as at FVTPL.
| | - |  | --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------

There were no financial assets at FVTPL at the end of the reporting periods.





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ChipMOS TECHNOLOGIES INC. AND SUBSIDIARIES

Notes to the Consolidated Financial Statements (Continued)

December 31, 2014, 2015 and 2016







|2. | Basis of preparation of financial statements and principal accounting policies (continued)
|-- | ------------------------------------------------------------------------------------------



| | j) | Investments and other financial assets (continued)
| | -- | --------------------------------------------------

Subsequent
measurement (continued)

Loans and receivables

Loans and receivables are non-derivative financial assets with fixed or determinable payments that are
not quoted in an active market. At the end of each reporting period, subsequent to initial recognition, loans and receivables (including accounts and notes receivables, other receivables, refundable deposits, short-term deposits and cash and cash
equivalents) are carried at amortized cost using the effective interest method, less any identified impairment losses.

Available-for-sale financial investments

Available-for-sale financial investments are non-derivative financial assets in unlisted equity investments. Equity investments
classified as available for sale are those which are neither classified as held for trading nor designated as at fair value through profit or loss.

When the fair value of unlisted equity investments cannot be reliably measured because (a) the variability in the range of reasonable fair
value estimates is significant for that investment or (b) the probabilities of the various estimates within the range cannot be reasonably assessed and used in estimating fair value, such investments are stated at cost less any impairment
losses.

The Group evaluates whether the ability and intention to sell its
available-for-sale financial investments in the near term are still appropriate. When, in rare circumstances, the Group is unable to trade these financial assets due to
inactive markets, the group may elect to reclassify these financial assets if management has the ability and intention to hold the assets for the foreseeable future or until maturity.



| | k) | Impairment of financial assets
| | -- | ------------------------------

The Group assesses at the end of each
reporting period whether there is objective evidence that a financial asset or a group of financial assets is impaired. An impairment exists if one or more events that occurred after the initial recognition of the asset have an impact on the
estimated future cash flows of the financial asset or the group of financial assets that can be reliably estimated. Evidence of impairment may include indications that a debtor or a group of debtors is experiencing significant financial difficulty,
default or delinquency in interest or principal payments, the probability that they will enter bankruptcy or other financial reorganization and observable data indicating that there is a measurable decrease in the estimated future cash flows, such
as changes in arrears or economic conditions that correlate with defaults.





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ChipMOS TECHNOLOGIES INC. AND SUBSIDIARIES

Notes to the Consolidated Financial Statements (Continued)

December 31, 2014, 2015 and 2016







|2. | Basis of preparation of financial statements and principal accounting policies (continued)
|-- | ------------------------------------------------------------------------------------------



| | k) | Impairment of financial assets (continued)
| | -- | ------------------------------------------

Financial assets carried at
amortized cost

For financial assets carried at amortized cost, the Group first assesses whether impairment exists individually for
financial assets that are individually significant, or collectively for financial assets that are not individually significant. If the Group determines that no objective evidence of impairment exists for an individually assessed financial asset,
whether significant or not, it includes the asset in a group of financial assets with similar credit risk characteristics and collectively assesses them for impairment. Assets that are individually assessed for impairment and for which an impairment
loss is, or continues to be, recognized are not included in a collective assessment of impairment.

The amount of any impairment loss
identified is measured as the difference between the assets carrying amount and the present value of estimated future cash flows (excluding future credit losses that have not yet been incurred). The present value of the estimated future cash
flows is discounted at the financial assets original effective interest rate (i.e., the effective interest rate computed at initial recognition). The carrying amount of the asset is reduced through the use of an allowance account and the loss
is recognized in the consolidated statements of comprehensive income. Interest income continues to be accrued on the reduced carrying amount and is accrued using the rate of interest used to discount the future cash flows for the purpose of
measuring the impairment loss. Loans and receivables together with any associated allowance are written off when there is no realistic prospect of future recovery and all collateral has been realized or has been transferred to the Group.

If, in a subsequent period, the amount of the estimated impairment loss increases or decreases because of an event occurring after the
impairment was recognized, the previously recognized impairment loss is increased or reduced by adjusting the allowance account. If a write-off is later recovered, the recovery is credited to other expenses in
the consolidated statements of comprehensive income.

Available-for-sale financial assets

The amount of the impairment loss is measured as the difference between the assets acquisition cost (less any principal repayment and
amortization) and current fair value, less any impairment loss on that financial asset previously recognized in profit or loss, and is reclassified from other comprehensive income to profit or loss. If, in a subsequent
period, the fair value of an investment in a debt instrument increases, and the increase can be related objectively to an event occurring after the impairment loss was recognized, then such impairment loss is reversed through profit or loss.
Impairment loss of an investment in an equity instrument recognized in profit or loss shall not be reversed through profit or loss. Impairment loss is recognized and reversed by adjusting the carrying amount of the asset directly.



| | l) | Derecognition of financial assets
| | -- | ---------------------------------

A financial asset (or, where
applicable, a part of a financial asset or part of a group of similar financial assets) is primarily derecognized (i.e., removed from the Groups consolidated statement of financial position) when:



| |  |  | the rights to receive cash flows from the asset have expired; or
| | - |  | ----------------------------------------------------------------





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ChipMOS TECHNOLOGIES INC. AND SUBSIDIARIES

Notes to the Consolidated Financial Statements (Continued)

December 31, 2014, 2015 and 2016







|2. | Basis of preparation of financial statements and principal accounting policies (continued)
|-- | ------------------------------------------------------------------------------------------



| | l) | Derecognition of financial assets (continued)
| | -- | ---------------------------------------------



| |  |  | the Group has transferred its rights to receive cash flows from the asset or has assumed an obligation to pay the received cash flows in full without material delay to a third party under a pass-through
arrangement; and either (a) the Group has transferred substantially all the risks and rewards of the asset, or (b) the Group has neither transferred nor retained substantially all the risks and rewards of the asset, but has transferred
control of the asset.
| | - |  | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------

When the Group has transferred its rights to receive cash flows from an asset or has entered into a
pass-through arrangement, it evaluates if and to what extent it has retained the risk and rewards of ownership of the asset. When it has neither transferred nor retained substantially all the risks and rewards of the asset nor transferred control of
the asset, the Group continues to recognize the transferred asset to the extent of the Groups continuing involvement. In that case, the Group also recognizes an associated liability. The transferred asset and the associated liability are
measured on a basis that reflects the rights and obligations that the Group has retained.

Continuing involvement that takes the form of a
guarantee over the transferred asset is measured at the lower of the original carrying amount of the asset and the maximum amount of consideration that the Group could be required to repay.



| | m) | Investments in associates
| | -- | -------------------------

The Companys investments in associates
are accounted for using the equity method. An associate is an entity over which the Company has significant influence and that is neither a subsidiary nor a joint venture. Significant influence is the power to participate in the financial and
operating policy decisions of an entity, but is not control or joint control over those policies. Any difference between the acquisition cost and the Companys share of the net fair value of the identifiable assets and liabilities of associates
is accounted for as follows:



| | (a) | Any excess of the acquisition cost over the companys share of the net fair value of the identifiable assets and liabilities of an associate at the date of acquisition is recognized as goodwill and is included in
the carrying amount of the investment. Amortization of goodwill is not permitted.
| | --- | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------



| | (b) | Any excess of the Companys share of the net fair value of the identifiable assets and liabilities of an associate over the acquisition cost, after reassessing the fair value, is recognized as a gain in profit or
loss on the acquisition date.
| | --- | --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------

Under the equity method, the investments in associates are carried on the statements of
financial position at cost plus post acquisition changes in the Companys share of profit or loss and other comprehensive income of associates. The Companys share of changes in associates profit or loss and other comprehensive
income are recognized directly in profit or loss and other comprehensive income, respectively, of the Company. Distributions received from an associate reduce the carrying amount of the investment. Any unrealized gains and losses resulting from
transactions between the Company and the associate are eliminated to the extent of the Companys interest in the associate.





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ChipMOS TECHNOLOGIES INC. AND SUBSIDIARIES

Notes to the Consolidated Financial Statements (Continued)

December 31, 2014, 2015 and 2016







|2. | Basis of preparation of financial statements and principal accounting policies (continued)
|-- | ------------------------------------------------------------------------------------------



| | m) | Investments in associates (continued)
| | -- | -------------------------------------

Upon an associates
issuance of new shares, if the Company takes up more shares than its original proportionate holding while maintaining its significant influence over that associate, such increase would be accounted for as an acquisition of an additional equity
interest in the associate. Upon an associates issuance of new shares, if the company does not take up proportionate shares and reduces its shareholding percentage while maintaining its significant influence over that associate, the Company
will treat the transaction as deemed disposal and reclassify to profit or loss the proportion of the gain or loss previously recognized in other comprehensive income relating to that reduction in ownership interest where appropriate.

The Company ceases to use the equity method upon loss of significant influence over an associate. Any difference between the carrying amount of
the investment in an associate upon loss of significant influence and the fair value of the retained investment plus proceeds from disposal will be recognized in profit or loss.

The Company determines at each reporting date whether there is any objective evidence that the investments in associates are impaired. An
impairment loss, being the difference between the recoverable amount of the associate and its carrying value, is recognized in profit or loss in the consolidated statements of comprehensive income and forms part of the carrying amount of the
investments.



| | n) | Financial liabilities
| | -- | ---------------------

Initial recognition and measurement

Financial liabilities are classified, at initial recognition, as financial liabilities at fair value through profit or loss, loans and
borrowings, or as derivatives designated as hedging instruments in an effective hedge, as appropriate.

All financial liabilities are
recognized initially at fair value and, in the case of loans and borrowings, net of directly attributable transaction costs.

The
Groups financial liabilities include bank loans, accounts payable and other monetary liabilities.

Subsequent measurement

The subsequent measurement of financial liabilities depends on their classification as follows:

Loans and borrowings

After initial recognition, interest-bearing loans and borrowings are subsequently measured at amortized cost, using the effective interest rate
method unless the effect of discounting would be immaterial, in which case they are stated at cost. Gains and losses are recognized in the consolidated statements of comprehensive income when the liabilities are derecognized through the effective
interest rate amortization process.

Amortized cost is calculated by taking into account any discount or premium on acquisition and fees or
costs that are an integral part of the effective interest rate. The effective interest rate amortization is included in finance costs in the consolidated statements of comprehensive income.





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ChipMOS TECHNOLOGIES INC. AND SUBSIDIARIES

Notes to the Consolidated Financial Statements (Continued)

December 31, 2014, 2015 and 2016







|2. | Basis of preparation of financial statements and principal accounting policies (continued)
|-- | ------------------------------------------------------------------------------------------



| | n) | Financial liabilities (continued)
| | -- | ---------------------------------

Notes and accounts payable

Notes and accounts payable are obligations to pay for goods or services that have been acquired in the ordinary course of business from
suppliers. They are recognized initially at fair value and subsequently measured at amortized cost using the effective interest method. However, short-term accounts payable without bearing interest are subsequently measured at initial invoice amount
as the effect of discounting is immaterial.



| | o) | Derecognition of financial liabilities
| | -- | --------------------------------------

A financial liability is
derecognized when the obligation under the liability is discharged or cancelled, or expired. When an existing financial liability is replaced by another from the same lender on substantially different terms, or the terms of an existing liability are
substantially modified, such an exchange or modification is treated as a derecognition of the original liability and a recognition of a new liability, and the difference between the respective carrying amounts is recognized in the consolidated
statements of comprehensive income.



| | p) | Dividends
| | -- | ---------

Dividends are recommended by the Board of Directors to the
Shareholders approval pursuant to the Companys Article of Incorporation.



| | q)    Operating | lease charges
| | --------------- | -------------

Where the Group has the use of assets held under operating
leases, payments made under the leases are charged to the consolidated statements of comprehensive income in equal installments over the accounting periods covered by the lease term, except where an alternative basis is more representative of the
pattern of benefits to be derived from the leased assets. Lease incentives received are recognized in the consolidated statements of comprehensive income as an integral part of the aggregate net lease payments made. Contingent rentals, if any, are
charged to the consolidated statements of comprehensive income in the accounting period in which they are incurred.



| | r) | Treasury stock
| | -- | --------------

Treasury stock is stated at cost and shown as a deduction
in equity. When the Company retires treasury stock, the treasury stock account is reduced and the share capital as well as the capital surplus  share premium are reversed on a pro rata basis. When the book value of the treasury stock exceeds
the sum of par value and share premium, the difference is charged to respective capital surplus and to retained earnings for any remaining amount. The Companys stock held by its subsidiary is treated as treasury stock.





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ChipMOS TECHNOLOGIES INC. AND SUBSIDIARIES

Notes to the Consolidated Financial Statements (Continued)

December 31, 2014, 2015 and 2016







|2. | Basis of preparation of financial statements and principal accounting policies (continued)
|-- | ------------------------------------------------------------------------------------------



| | s) | Provisions
| | -- | ----------

A provision is recognized when a present obligation (legal or
constructive) has arisen as a result of a past event and it is probable that a future outflow of resources will be required to settle the obligation, provided that a reliable estimate can be made of the amount of the obligation.

When the effect of discounting is material, the amount recognized for a provision is the present value at the end of the reporting period of
the future expenditures expected to be required to settle the obligation. The increase in the discounted present value amount arising from the passage of time is included in finance costs in the consolidated statements of comprehensive income.



| | t) | Foreign currency translation
| | -- | ----------------------------

The consolidated financial statements are presented
in New Taiwan dollars, which is the Companys functional currency. Each entity in the Group determines its own functional currency and items included in the financial statements of each entity are measured using that functional currency.
Foreign currency transactions are initially recorded using the functional currency rates ruling at the date of the transactions. Monetary assets and liabilities denominated in foreign currencies are retranslated at the functional currency rates of
exchange ruling at the end of the reporting period. All differences are taken to profit or loss. Non-monetary items that are measured in terms of historical cost in a foreign currency are translated using the
exchange rates at the dates of the initial transactions. Non-monetary items measured at fair value in a foreign currency are translated using the exchange rates at the date when the fair value was determined.
The functional currencies of certain overseas subsidiaries are currencies other than the New Taiwan dollars. As at the end of the reporting period, the assets and liabilities of these entities are translated into the presentation currency of the
Company at the exchange rates ruling at the end of the reporting period, and their income and expense items are translated into New Taiwan dollars at the weighted average exchange rates for the year.

The resulting exchange differences are recorded in other comprehensive income and the cumulative balance is included in foreign currency
translation reserve in the consolidated statements of changes in equity. On disposal of a foreign entity, the deferred cumulative amount recognized in foreign currency translation reserve relating to that particular foreign operation is recognized
in the consolidated statements of comprehensive income. For the purpose of the consolidated statements of cash flows, the cash flows of overseas subsidiaries are translated into New Taiwan dollars at the exchange rates ruling at the dates of the
cash flows. Frequently recurring cash flows of overseas subsidiaries which arise throughout the year are translated into New Taiwan dollars at the weighted average exchange rates for the year.





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ChipMOS TECHNOLOGIES INC. AND SUBSIDIARIES

Notes to the Consolidated Financial Statements (Continued)

December 31, 2014, 2015 and 2016







|2. | Basis of preparation of financial statements and principal accounting policies (continued)
|-- | ------------------------------------------------------------------------------------------



| | u) | Revenue recognition
| | -- | -------------------

Revenue is recognized to the extent that it is
probable that the economic benefits arising in the course of business will flow to the Group and the revenue can be reliably measured, regardless of when the payment is being made. Revenue is measured at the fair value of the consideration received
or receivable, taking into account contractually defined terms of payment and excluding taxes or duty.

The Group engaged in wafer testing,
semiconductor assembly and testing, and module and subsystem manufacturing. The criteria that the Group uses to determine when to recognize revenue are: (a) the Group has transferred to the buyer the significant risks and rewards of ownership
of the goods; (b) the Group retains neither continuing managerial involvement to the degree usually associated with ownership nor effective control over the goods sold; (c) the amount of revenue can be measured reliably; (d) it is
probable that the economic benefits associated with the transaction will flow to the Group ; (e) the stage of completion of the transaction at the end of the reporting period can be measured reliably, and (f) the costs incurred for the
transaction and the costs to complete the transaction can be measured reliably.

The Group does not take ownership of: (1) bare
semiconductor wafers received from customers that are assembled into finished semiconductors, and (2) assembled semiconductors received from the customers that it tests. The title and risk of loss remains with the customer for those bare
semiconductors and/or assembled semiconductors. Accordingly, the customer-supplied semiconductor materials are not included in the consolidated financial statements.

The Group does not provide warranties to customers except in cases of defects in the assembly services provided and deficiencies in testing
services provided. An appropriate sales allowance is recognized in the period during which the sale is recognized, and is estimated based on historical experience.

Interest income

Interest
income is recognized on an accrual basis using the effective interest method by applying the rate that discounts the estimated future cash receipts through the expected life of the financial instrument to the net carrying amount of the financial
asset.



| | v) | Government grant
| | -- | ----------------

The grant relates to land use rights in the PRC.
Government grants are recognized at their fair value where there is reasonable assurance that the grant will be received and all attaching conditions will be complied with. When the grant relates to an expense item, it is recognized as other
operating income on a systematic basis over 50 years in straight method that the costs, which it is intended to compensate, are expensed.

Where the grant relates to an asset, the fair value is credited to a deferred income account and is released to the consolidated statements of
comprehensive income over the expected useful life of the relevant asset by equal annual instalments or deducted from the carrying amount of the asset and released to the consolidated statements of comprehensive income by way of a reduced
depreciation charge.

Where the Group receives grants of non-monetary assets, the grants are
recorded at the fair value of the non-monetary assets and released to the consolidated statements of comprehensive income over the expected useful lives of the relevant assets by equal annual instalments.





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ChipMOS TECHNOLOGIES INC. AND SUBSIDIARIES

Notes to the Consolidated Financial Statements (Continued)

December 31, 2014, 2015 and 2016







|2. | Basis of preparation of financial statements and principal accounting policies (continued)
|-- | ------------------------------------------------------------------------------------------



| | w) | Research and development costs
| | -- | ------------------------------

Research and development costs are expensed in
the period in which it is incurred.



| | x) | Borrowing costs
| | -- | ---------------

Borrowing costs directly attributable to the acquisition,
construction or production of qualifying assets, which are assets that necessarily take a substantial period of time to get ready for their intended use or sale, are added to the cost of those assets, until such time as the assets are substantially
ready for their intended use or sale. All other borrowing costs are charged to the consolidated statements of comprehensive income in the period in which they are incurred.



| | y) | Pension and other post-employment benefits
| | -- | ------------------------------------------

The Group operates defined
contribution and defined benefit plans in the ROC and PRC. For defined contribution retirement benefit plans, payments to the benefit plan are recognized as an expense when the employees have rendered service entitling them to the contribution. For
defined benefit retirement plans, the cost of providing benefit is recognized based on actuarial calculations.

For defined benefit
retirement benefit plans, the cost of providing benefits is determined using the Projected Unit Credit Method, with actuarial valuations being carried out at the year end. Actuarial gains and losses are recognized in other comprehensive income in
the period which they incur. Past service costs are recognized in the consolidated statements of comprehensive income on the earlier of the date of the plan amendment or curtailment, and the date that the Group recognizes restructuring-related
costs. Net interest is calculated by applying the discount rate to the net defined benefit liability or asset. The Group recognizes i) service costs comprising current service costs, past service costs, gains and losses on curtailments and non-routine settlements, and ii) net interest expense or income, under cost of revenue, research and development expenses, sales and marketing expenses and administrative and general expenses in the consolidated
statements of comprehensive income.

The employees of the subsidiary within the Group which operates in the PRC are required to participate
in the central pension scheme operated by the local municipal government. The PRC subsidiary is required to contribute a percentage of its payroll costs to the central pension scheme as specified by the local municipal government.

Employee entitlements to annual leave are recognized when they accrue to employees. An accrual is made for the estimated liability for annual
leave as a result of services rendered by employees up to the end of the reporting period.



| | z) | Share-based payments
| | -- | --------------------

Employees of the Group receive remuneration in the form of
share-based payments, whereby employees render services as consideration for equity instruments (equity-settled transactions) or share appreciation rights, which are settled in cash (cash-settled transactions).





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ChipMOS TECHNOLOGIES INC. AND SUBSIDIARIES

Notes to the Consolidated Financial Statements (Continued)

December 31, 2014, 2015 and 2016







|2. | Basis of preparation of financial statements and principal accounting policies (continued)
|-- | ------------------------------------------------------------------------------------------



| | z) | Share-based payments (continued)
| | -- | --------------------------------

Equity-settled transactions

The cost of equity-settled transactions is determined by the fair value at the date when the grant is made using an appropriate valuation
model.

That cost is recognized, together with a corresponding increase in capital surplus in equity, over the period in which the
performance and/or service conditions are fulfilled in employee benefits expense. The cumulative expense recognized for equity-settled transactions at each reporting date until the vesting date reflects the extent to which the vesting period has
expired and the Groups best estimate of the number of equity instruments that will ultimately vest.

When the terms of an
equity-settled award are modified, as a minimum, the services received measured at the grant date, fair value of the equity instruments granted should be recognized, unless those equity instruments do not vest because of failure to satisfy a vesting
condition (other than a market condition) that was specified at grant date. An additional expense is recognized for any modification that increases the total fair value of the share-based payment transaction, or is otherwise beneficial to the
employee as measured at the date of modification.

Where an equity-settled award is cancelled, it is treated as if it had vested on the
date of cancellation, and any expense not yet recognized for the award is recognized immediately. This includes any award where non-vesting conditions within the control of either the Group or the employee are
not met. However, if a new award is substituted for the cancelled award, and is designated as a replacement award on the date that it is granted, the cancelled and new awards are treated as if they were a modification of the original award, as
described in the previous paragraph.

Cash-settled transactions

The cost of cash-settled transactions is measured initially at fair value at the grant date using an appropriate valuation model. This fair
value is expensed over the period until the vesting date with recognition of a corresponding liability. The liability is re-measured to fair value at each reporting date up to, and including the settlement
date, with changes in fair value recognized in employee benefits expense.

Restricted shares

Restricted shares issued to employees are measured at the fair value of the equity instruments granted at the grant date, and are recognized as
compensation cost over the vesting period.

For restricted shares where those shares do not restrict distribution of dividends to employees
and employees are not required to return the dividends received if they resign during the vesting period, the Group recognizes the fair value of the dividends received by the employees who are expected to resign during the vesting period as
compensation cost at the date of dividends declared.

For restricted shares where employees do not need to pay to acquire those shares, if
the employees who resign during the vesting period, the Group will recover and retire those shares at no cost.





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ChipMOS TECHNOLOGIES INC. AND SUBSIDIARIES

Notes to the Consolidated Financial Statements (Continued)

December 31, 2014, 2015 and 2016







|2. | Basis of preparation of financial statements and principal accounting policies (continued)
|-- | ------------------------------------------------------------------------------------------



| | aa) | Income tax
| | --- | ----------

Income tax represents the sum of current and deferred tax. Income tax
relating to items recognized outside profit or loss is recognized outside profit or loss, either in other comprehensive income or directly in equity.

Current tax assets and liabilities are measured at the amount expected to be recovered from or paid to the taxation authorities, based on tax
rates (and tax laws) that have been enacted or substantively enacted by the end of the reporting period, taking into consideration interpretations and practices prevailing in the countries in which the Group operates.

Deferred tax is provided, using the liability method, on all temporary differences at the end of the reporting period between the tax bases of
assets and liabilities and their carrying amounts for financial reporting purposes.

Deferred tax liabilities are recognized for all
taxable temporary differences, except:



| |  |  | when the deferred tax liability arises from the initial recognition of goodwill or an asset or liability in a transaction that is not a business combination and, at the time of the transaction, affects neither the
accounting profit nor taxable profit or loss; and
| | - |  | -----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------



| |  |  | in respect of taxable temporary differences associated with investments in subsidiaries, associates and joint ventures, when the timing of the reversal of the temporary differences can be controlled and it is probable
that the temporary differences will not reverse in the foreseeable future.
| | - |  | ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------

Deferred tax assets are recognized for all
deductible temporary differences, the carryforward of unused tax credits and any unused tax losses. Deferred tax assets are recognized to the extent that it is probable that taxable profits will be available against which deductible temporary
differences, the carryforward of unused tax credits and unused tax losses can be utilized, except:



| |  |  | when the deferred tax asset relating to the deductible temporary differences arises from the initial recognition of an asset or liability in a transaction that is not a business combination and, at the time of the
transaction, affects neither the accounting profit nor taxable profit or loss; and
| | - |  | --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------



| |  |  | in respect of deductible temporary differences associated with investments in subsidiaries, associates and joint ventures, deferred tax assets are only recognized to the extent that it is probable that the temporary
differences will reverse in the foreseeable future and taxable profit will be available against which the temporary differences can be utilized.
| | - |  | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------

The carrying amount of deferred tax assets is reviewed at the end of each reporting period and reduced to the extent that it is no longer
probable that sufficient taxable profit will be available to allow all or part of the deferred tax asset to be utilized. Unrecognized deferred tax assets are reassessed at the end of each reporting period and are recognized to the extent that it has
become probable that sufficient taxable profit will be available to allow all or part of the deferred tax asset to be recovered.

Deferred
tax is calculated, without discounting, at the tax rates that are expected to apply in the period when the asset is realized or the liability is settled, based on the tax rates (and tax laws) that have been enacted or substantively enacted by the
end of the reporting period.





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ChipMOS TECHNOLOGIES INC. AND SUBSIDIARIES

Notes to the Consolidated Financial Statements (Continued)

December 31, 2014, 2015 and 2016







|2. | Basis of preparation of financial statements and principal accounting policies (continued)
|-- | ------------------------------------------------------------------------------------------



| | aa) | Income tax (continued)
| | --- | ----------------------

Current income tax assets and liabilities are offset and
the net amount reported in the statements of financial position when there is a legally enforceable right to offset the recognized amounts and there is an intention to settle on a net basis or realize the asset and settle the liability
simultaneously.



| | bb) | Cash and cash equivalents
| | --- | -------------------------

Cash and cash equivalents comprise cash on hand and
demand deposits, and short-term highly liquid investments which are readily convertible into known amounts of cash, are subject to an insignificant risk of changes in value, and have a short maturity of generally within three months when acquired.



| | cc) | Related parties
| | --- | ---------------



| | (a) | A person, or a close member of that persons family, is related to the Group if that person:
| | --- | --------------------------------------------------------------------------------------------



| | (i) | has control or joint control over the Group;
| | --- | --------------------------------------------



| | (ii) | has significant influence over the Group; or
| | ---- | --------------------------------------------



| | (iii) | is a member of key management personnel of the Group or the Groups parent.
| | ----- | ---------------------------------------------------------------------------



| | or | 
| | -- | 



| | (b) | An entity is related to the Group if any of the following conditions applies:
| | --- | -----------------------------------------------------------------------------



| | (i) | The entity and the Group are members of the same group.
| | --- | -------------------------------------------------------



| | (ii) | One entity is an associate or joint venture of the other entity (or an associate or joint venture of a member of a group of which the other entity is a member).
| | ---- | ----------------------------------------------------------------------------------------------------------------------------------------------------------------



| | (iii) | The entity and the Group are joint ventures of the same third party.
| | ----- | --------------------------------------------------------------------



| | (iv) | One entity is a joint venture of a third entity and the other entity is an associate of the third entity.
| | ---- | ---------------------------------------------------------------------------------------------------------



| | (v) | The entity is a post-employment benefit plan for the benefit of employees of either the Group or an entity related to the Group.
| | --- | --------------------------------------------------------------------------------------------------------------------------------



| | (vi) | The entity is controlled or jointly controlled by a person identified in (a).
| | ---- | -----------------------------------------------------------------------------



| | (vii) | A person identified in (a)(i) has significant influence over the entity or is a member of the key management personnel of the entity (or of a parent of the entity).
| | ----- | --------------------------------------------------------------------------------------------------------------------------------------------------------------------





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##### Table of Contents

ChipMOS TECHNOLOGIES INC. AND SUBSIDIARIES

Notes to the Consolidated Financial Statements (Continued)

December 31, 2014, 2015 and 2016







|2. | Basis of preparation of financial statements and principal accounting policies (continued)
|-- | ------------------------------------------------------------------------------------------



| | dd) | Subsidiaries
| | --- | ------------

A subsidiary is an entity (including a structured entity)
controlled by the Company. Control is achieved when the Group is exposed, or has rights, to variable returns from its involvement with the investee and has the ability to affect those returns through its power over the investee (i.e., existing
rights that give the Group the current ability to direct the relevant activities of the investee).

When the Company has, directly or
indirectly, less than a majority of the voting or similar rights of an investee, the Group considers all relevant facts and circumstances in assessing whether it has power over an investee, including:



| |  |  | the contractual arrangement with the other vote holders of the investee;
| | - |  | ------------------------------------------------------------------------



| |  |  | rights arising from other contractual arrangements; and
| | - |  | -------------------------------------------------------



| |  |  | the Groups voting rights and potential voting rights
| | - |  | -----------------------------------------------------

The Companys share of its
subsidiaries post-acquisition profits or losses is recognized in profit or loss, and its share of post-acquisition movements in other comprehensive income is recognized in other comprehensive income. When the Companys share of losses in
a subsidiary equals or exceeds its interest in the subsidiary, the Company continues to recognize its share in the subsidiarys loss proportionately.

Changes in a parents ownership interest in a subsidiary that do not result in the parent losing control of the subsidiary (transactions
with non-controlling interests) are accounted for as equity transactions, i.e. transactions with owners in their capacity as owner. Any difference between the amount by which the
non-controlling interests are adjusted and the fair value of the consideration paid or received is recognized directly in equity.



| | ee) | Fair value measurement
| | --- | ----------------------

The Group measures its accrued pension cost at fair value
at the end of each reporting period. Fair value is the price that would be received to sell an asset or paid to transfer a liability in an orderly transaction between market participants at the measurement date. The fair value measurement is based
on the presumption that the transaction to sell the asset or transfer the liability takes place either in the principal market for the asset or liability, or in the absence of a principal market, in the most advantageous market for the asset or
liability. The principal or the most advantageous market must be accessible by the Group. The fair value of an asset or a liability is measured using the assumptions that market participants would use when pricing the asset or liability, assuming
that market participants act in their economic best interest.





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##### Table of Contents

ChipMOS TECHNOLOGIES INC. AND SUBSIDIARIES

Notes to the Consolidated Financial Statements (Continued)

December 31, 2014, 2015 and 2016







|2. | Basis of preparation of financial statements and principal accounting policies (continued)
|-- | ------------------------------------------------------------------------------------------



| | ee) | Fair value measurement (continued)
| | --- | ----------------------------------

A fair value measurement of a non-financial asset takes into account a market participants ability to generate economic benefits by using the asset in its highest and best use or by selling it to another market participant that would use
the asset in its highest and best use.

The Group uses valuation techniques that are appropriate in the circumstances and for which
sufficient data are available to measure fair value, maximizing the use of relevant observable inputs and minimizing the use of unobservable inputs.

All assets and liabilities for which fair value is measured or disclosed in the financial statements are categorized within the fair value
hierarchy, described as follows, based on the lowest level input that is significant to the fair value measurement as a whole:

Level 1  based on quoted prices (unadjusted) in active markets for identical assets or liabilities

Level 2  based on valuation techniques for which the lowest level input that is significant to the fair value measurement is
observable, either directly or indirectly

Level 3  based on valuation techniques for which the lowest level input that is
significant to the fair value measurement is unobservable

For assets and liabilities that are recognized in the financial statements on a
recurring basis, the Group determines whether transfers have occurred between levels in the hierarchy by reassessing categorization (based on the lowest level input that is significant to the fair value measurement as a whole) at the end of each
reporting period.



| | ff) | Capital reorganization
| | --- | ----------------------

The Company merged with ChipMOS Bermuda on
October 31, 2016 and the transaction was accounted as capital reorganization within the Group. When presenting comparative financial statements, the Company presented it as if ChipMOS Bermuda had always been combined and financial statements
were restated retrospectively. The assets and liabilities acquired from ChipMOS Bermuda was measured by using book value method, and any differences between the consideration given by the Company and the aggregate book value of the assets and
liabilities of ChipMOS Bermuda was first accounted for as addition (deduction) in capital surplus arises from share premium, if the share premium is insufficient, the amount will be accounted for as deduction from retained earnings. In addition, on
the effective date of the Merger, the Company reclassified its shares originally held by ChipMOS Bermuda as treasury stock and cancelled those shares with deduction in share premium equal to the proportion of retired shares. If the share premium is
insufficient, the amount will be accounted for as deduction from retained earnings. Transaction costs attributable to the Merger are accounted for as deduction from equity.

When presenting comparative financial statements, the Company presented it as if ChipMOS Bermuda had always been combined and financial
statements were restated retrospectively. Net income attributable to ChipMOS Bermuda prior to the Merger were presented as Predecessors interests.





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##### Table of Contents

ChipMOS TECHNOLOGIES INC. AND SUBSIDIARIES

Notes to the Consolidated Financial Statements (Continued)

December 31, 2014, 2015 and 2016







|3. | Translation into U.S. dollar amounts
|-- | ------------------------------------

The Company maintains its accounts and
expresses its consolidated financial statements in New Taiwan dollars. For convenience purposes, U.S. dollar amounts presented in the accompanying consolidated financial statements have been translated from New Taiwan dollars to U.S. dollars at the
noon buying rate in the City of New York for cable transfers as certified for customs purposes by the Federal Reserve Bank of New York as of December 30, 2016, which was NT$32.40 to US$1.00. These convenience translations should not be
construed as representations that the New Taiwan dollar amounts have been, or could in the future be, converted into U.S. dollars at this or any other rate of exchange.



|4. | Segment Information
|-- | -------------------

The Group engages mainly in the research and development,
manufacturing, assembly and testing of semiconductors. In accordance with IFRS 8 Operating Segments, the Groups chief operating decision maker has been identified as the Chairman of the Board of Directors, who reviews these segment
results by Testing, Assembly, Testing and Assembly for Liquid Crystal Display and other Flat-Panel Display Driver Semiconductors (LCDD) and Bumping when making decisions about allocating resources and assessing the performance of the
Group. The information of the segments other assets and liabilities are not regularly provided to the Chairman of the Board of Directors for decision making. Financial segment information is as below:

The Group uses operating profit (loss) as the measurement for segment profit (loss) and the basis of performance assessment. There was no
material inconsistency between the accounting policies of the operating segment and the accounting policies described in Note 2.



|                                          |  |         |           |   |          |  |           |        |  |  |            |   |  |        |           |   |             |  |          |                           |  |  |                        |   |  |  |            |   |  |  |           |  
|----------------------------------------- |  | ------- | --------- | - | -------- |  | --------- | ------ |  |  | ---------- | - |  | ------ | --------- | - | ----------- |  | -------- | ------------------------- |  |  | ---------------------- | - |  |  | ---------- | - |  |  | --------- | -
|                                          |  | 2014    |          
|                                          |  | Testing |           |   | Assembly |  |           | LCDD   |  |  | Bumping    |   |  | Others |           |   | Elimination |  |          | Totalcontinuingoperations |  |  | Discontinuedoperations |  
|                                          |  | NT$000  |           |   | NT$000   |  |           | NT$000 |  |  | NT$000     |   |  | NT$000 |           |   | NT$000      |  |          | NT$000                    |  |  | NT$000                 |  
|Revenue                                   |  |         |           |   |          |  |           |        |  |  |            |   |  |        |           |   |             |  |          |                           |  |  |                        |   |  |  |            |   |  |  |           |  
|External customers                        |  |         | 4,800,523 |   |          |  | 6,812,850 |        |  |  | 5,171,269  |   |  |        | 4,044,317 |   |             |  |         |                           |  |  |                       |   |  |  | 20,828,959 |   |  |  | 1,176,172 |  
|Inter-segment                             |  |         | 230,663   |   |          |  |          |        |  |  |           |   |  |        |          |   |             |  | 49,125   |                           |  |  | (279,788               | ) |  |  |           |   |  |  |          |  
|                                          |  |         |           |   |          |  |           |        |  |  |            |   |  |        |           |   |             |  |          |                           |  |  |                        |   |  |  |            |   |  |  |           |  
|Total revenue                             |  |         | 5,031,186 |   |          |  | 6,812,850 |        |  |  | 5,171,269  |   |  |        | 4,044,317 |   |             |  | 49,125   |                           |  |  | (279,788               | ) |  |  | 20,828,959 |   |  |  | 1,176,172 |  
|                                          |  |         |           |   |          |  |           |        |  |  |            |   |  |        |           |   |             |  |          |                           |  |  |                        |   |  |  |            |   |  |  |           |  
|Operating profit                          |  |         | 1,199,349 |   |          |  | 1,068,599 |        |  |  | 1,012,212  |   |  |        | 475,682   |   |             |  | (107,018 | )                         |  |  | 1,987                  |   |  |  | 3,650,811  |   |  |  | 71,143    |  
|Depreciation and amortization             |  |         | (687,641  | ) |          |  | (494,602  | )      |  |  | (1,178,872 | ) |  |        | (435,967  | ) |             |  | (194     | )                         |  |  | 1,697                  |   |  |  | (2,795,579 | ) |  |  | (113,386  | )
|Interest income                           |  |         |          |   |          |  |          |        |  |  |           |   |  |        |          |   |             |  | 56,110   |                           |  |  | (1,235                 | ) |  |  | 54,875     |   |  |  | 9,477     |  
|Interest expense                          |  |         |          |   |          |  |          |        |  |  |           |   |  |        |          |   |             |  | (127,477 | )                         |  |  | 1,235                  |   |  |  | (126,242   | ) |  |  | (6,410    | )
|Share of profit of associates             |  |         |          |   |          |  |          |        |  |  |           |   |  |        |          |   |             |  | 452,198  |                           |  |  | (452,198               | ) |  |  |           |   |  |  |          |  
|Purchase of property, plant and equipment |  |         | 773,633   |   |          |  | 977,202   |        |  |  | 1,055,769  |   |  |        | 777,258   |   |             |  |         |                           |  |  | (15,622                | ) |  |  | 3,568,240  |   |  |  |          |  





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##### Table of Contents

ChipMOS TECHNOLOGIES INC. AND SUBSIDIARIES

Notes to the Consolidated Financial Statements (Continued)

December 31, 2014, 2015 and 2016







|4. | Segment Information (continued)
|-- | -------------------------------



|                                          |  |         |           |   |          |  |           |        |  |  |            |   |  |        |           |   |             |  |          |                           |  |  |                        |   |  |  |            |   |  |  |           |  
|----------------------------------------- |  | ------- | --------- | - | -------- |  | --------- | ------ |  |  | ---------- | - |  | ------ | --------- | - | ----------- |  | -------- | ------------------------- |  |  | ---------------------- | - |  |  | ---------- | - |  |  | --------- | -
|                                          |  | 2015    |          
|                                          |  | Testing |           |   | Assembly |  |           | LCDD   |  |  | Bumping    |   |  | Others |           |   | Elimination |  |          | Totalcontinuingoperations |  |  | Discontinuedoperations |  
|                                          |  | NT$000  |           |   | NT$000   |  |           | NT$000 |  |  | NT$000     |   |  | NT$000 |           |   | NT$000      |  |          | NT$000                    |  |  | NT$000                 |  
|Revenue                                   |  |         |           |   |          |  |           |        |  |  |            |   |  |        |           |   |             |  |          |                           |  |  |                        |   |  |  |            |   |  |  |           |  
|External customers                        |  |         | 4,546,394 |   |          |  | 5,525,582 |        |  |  | 5,396,001  |   |  |        | 3,369,112 |   |             |  |         |                           |  |  |                       |   |  |  | 18,837,089 |   |  |  | 1,032,302 |  
|Inter-segment                             |  |         | 172,264   |   |          |  | 528       |        |  |  |           |   |  |        |          |   |             |  | 44,577   |                           |  |  | (217,369               | ) |  |  |           |   |  |  |          |  
|                                          |  |         |           |   |          |  |           |        |  |  |            |   |  |        |           |   |             |  |          |                           |  |  |                        |   |  |  |            |   |  |  |           |  
|Total revenue                             |  |         | 4,718,658 |   |          |  | 5,526,110 |        |  |  | 5,396,001  |   |  |        | 3,369,112 |   |             |  | 44,577   |                           |  |  | (217,369               | ) |  |  | 18,837,089 |   |  |  | 1,032,302 |  
|                                          |  |         |           |   |          |  |           |        |  |  |            |   |  |        |           |   |             |  |          |                           |  |  |                        |   |  |  |            |   |  |  |           |  
|Operating profit                          |  |         | 1,203,169 |   |          |  | 117,127   |        |  |  | 1,354,398  |   |  |        | 28,605    |   |             |  | (47,191  | )                         |  |  | (7,681                 | ) |  |  | 2,648,427  |   |  |  | (61,214   | )
|Depreciation and amortization             |  |         | (646,545  | ) |          |  | (550,819  | )      |  |  | (1,157,809 | ) |  |        | (548,234  | ) |             |  | (357     | )                         |  |  | 543                    |   |  |  | (2,903,221 | ) |  |  | (118,702  | )
|Interest income                           |  |         |          |   |          |  |          |        |  |  |           |   |  |        |          |   |             |  | 60,552   |                           |  |  | (1,690                 | ) |  |  | 58,862     |   |  |  | 9,421     |  
|Interest expense                          |  |         |          |   |          |  |          |        |  |  |           |   |  |        |          |   |             |  | (128,311 | )                         |  |  | 1,690                  |   |  |  | (126,621   | ) |  |  | (414      | )
|Share of profit of associates             |  |         |          |   |          |  |          |        |  |  |           |   |  |        |          |   |             |  | 25,346   |                           |  |  | 5,923                  |   |  |  | 31,269     |   |  |  |          |  
|Purchase of property, plant and equipment |  |         | 796,964   |   |          |  | 895,767   |        |  |  | 1,366,389  |   |  |        | 589,615   |   |             |  | 2,477    |                           |  |  | (6,652                 | ) |  |  | 3,644,560  |   |  |  |          |  



|                                          |  |         |           |   |          |  |           |        |  |  |            |   |  |        |           |   |             |  |          |                           |  |  |                           |   |  |                        |            |   |                        |  |         |   |  |  |           |   |  |  |        |  
|----------------------------------------- |  | ------- | --------- | - | -------- |  | --------- | ------ |  |  | ---------- | - |  | ------ | --------- | - | ----------- |  | -------- | ------------------------- |  |  | ------------------------- | - |  | ---------------------- | ---------- | - | ---------------------- |  | ------- | - |  |  | --------- | - |  |  | ------ | -
|                                          |  | 2016    |          
|                                          |  | Testing |           |   | Assembly |  |           | LCDD   |  |  | Bumping    |   |  | Others |           |   | Elimination |  |          | Totalcontinuingoperations |  |  | Totalcontinuingoperations |   |  | Discontinuedoperations |            |   | Discontinuedoperations | 
|                                          |  | NT$000  |           |   | NT$000   |  |           | NT$000 |  |  | NT$000     |   |  | NT$000 |           |   | NT$000      |  |          | NT$000                    |  |  | US$000                    |   |  | NT$000                 |            |   | US$000                 | 
|Revenue                                   |  |         |           |   |          |  |           |        |  |  |            |   |  |        |           |   |             |  |          |                           |  |  |                           |   |  |                        |            |   |                        |  |         |   |  |  |           |   |  |  |        |  
|External customers                        |  |         | 4,587,054 |   |          |  | 5,880,780 |        |  |  | 4,920,302  |   |  |        | 2,999,457 |   |             |  |         |                           |  |  |                          |   |  |                        | 18,387,593 |   |                        |  | 567,518 |   |  |  | 1,005,166 |   |  |  | 31,024 |  
|Inter-segment                             |  |         |          |   |          |  | 1,103     |        |  |  |           |   |  |        | 510       |   |             |  | 41,670   |                           |  |  | (43,283                   | ) |  |                        |           |   |                        |  |        |   |  |  |          |   |  |  |       |  
|                                          |  |         |           |   |          |  |           |        |  |  |            |   |  |        |           |   |             |  |          |                           |  |  |                           |   |  |                        |            |   |                        |  |         |   |  |  |           |   |  |  |        |  
|Total revenue                             |  |         | 4,587,054 |   |          |  | 5,881,883 |        |  |  | 4,920,302  |   |  |        | 2,999,967 |   |             |  | 41,670   |                           |  |  | (43,283                   | ) |  |                        | 18,387,593 |   |                        |  | 567,518 |   |  |  | 1,005,166 |   |  |  | 31,024 |  
|                                          |  |         |           |   |          |  |           |        |  |  |            |   |  |        |           |   |             |  |          |                           |  |  |                           |   |  |                        |            |   |                        |  |         |   |  |  |           |   |  |  |        |  
|Operating profit                          |  |         | 1,346,874 |   |          |  | 143,220   |        |  |  | 963,698    |   |  |        | (341,356  | ) |             |  | (82,331  | )                         |  |  | (31,530                   | ) |  |                        | 1,998,575  |   |                        |  | 61,684  |   |  |  | (146,263  | ) |  |  | (4,514 | )
|Depreciation and amortization             |  |         | (664,026  | ) |          |  | (635,481  | )      |  |  | (1,167,908 | ) |  |        | (622,412  | ) |             |  | (565     | )                         |  |  | 488                       |   |  |                        | (3,089,904 | ) |                        |  | (95,367 | ) |  |  | (141,375  | ) |  |  | (4,364 | )
|Interest income                           |  |         |          |   |          |  |          |        |  |  |           |   |  |        |          |   |             |  | 51,756   |                           |  |  | (13,202                   | ) |  |                        | 38,554     |   |                        |  | 1,190   |   |  |  | 3,753     |   |  |  | 116    |  
|Interest expense                          |  |         |          |   |          |  |          |        |  |  |           |   |  |        |          |   |             |  | (144,546 | )                         |  |  |                          |   |  |                        | (144,546   | ) |                        |  | (4,461  | ) |  |  | (605      | ) |  |  | (19    | )
|Share of profit of associates             |  |         |          |   |          |  |          |        |  |  |           |   |  |        |          |   |             |  | (128,866 | )                         |  |  | 157,790                   |   |  |                        | 28,924     |   |                        |  | 893     |   |  |  |          |   |  |  |       |  
|Purchase of property, plant and equipment |  |         | 771,500   |   |          |  | 554,162   |        |  |  | 910,457    |   |  |        | 887,144   |   |             |  | 49       |                           |  |  |                          |   |  |                        | 3,123,312  |   |                        |  | 96,399  |   |  |  | 1,567,683 |   |  |  | 48,385 |  





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##### Table of Contents

ChipMOS TECHNOLOGIES INC. AND SUBSIDIARIES

Notes to the Consolidated Financial Statements (Continued)

December 31, 2014, 2015 and 2016







|4. | Segment Information (continued)
|-- | -------------------------------



Geographic information of revenue:



|          |  |        |            |  |        |  |            |        |  |  |            |  |  |  |         | 
|--------- |  | ------ | ---------- |  | ------ |  | ---------- | ------ |  |  | ---------- |  |  |  | ------- | 
|          |  | 2014   |            |  | 2015   |  |            | 2016   |  |  | 2016       | 
|          |  | NT$000 |            |  | NT$000 |  |            | NT$000 |  |  | US$000     | 
|Area      |  |        |            |  |        |  |            |        |  |  |            |  |  |  |         | 
|ROC       |  |        | 14,650,826 |  |        |  | 13,529,739 |        |  |  | 12,728,014 |  |  |  | 392,840 | 
|U.S.      |  |        | 694,137    |  |        |  | 414,168    |        |  |  | 218,495    |  |  |  | 6,744   | 
|Singapore |  |        | 3,471,540  |  |        |  | 2,928,591  |        |  |  | 3,087,835  |  |  |  | 95,304  | 
|Korea     |  |        | 882,767    |  |        |  | 587,266    |        |  |  | 213,175    |  |  |  | 6,579   | 
|Japan     |  |        | 726,878    |  |        |  | 986,403    |        |  |  | 1,855,674  |  |  |  | 57,274  | 
|Others    |  |        | 402,811    |  |        |  | 390,922    |        |  |  | 284,400    |  |  |  | 8,777   | 
|          |  |        |            |  |        |  |            |        |  |  |            |  |  |  |         | 
|          |  |        | 20,828,959 |  |        |  | 18,837,089 |        |  |  | 18,387,593 |  |  |  | 567,518 | 
|          |  |        |            |  |        |  |            |        |  |  |            |  |  |  |         | 

Net revenue from customers representing at least 10% of the total revenue:



|           |  |        |           |  |      |  |    |        |  |  |           |  |  |        |    |  |   |  |           |        |  |  |    |  |  |  |         | 
|---------- |  | ------ | --------- |  | ---- |  | -- | ------ |  |  | --------- |  |  | ------ | -- |  | - |  | --------- | ------ |  |  | -- |  |  |  | ------- | 
|           |  | 2014   |           |  | 2015 |  |    | 2016   |  |  | 2016      | 
|           |  | Amount |           |  | %    |  |    | Amount |  |  | %         |  |  | Amount |    |  | % |  |           | Amount | 
|           |  | NT$000 |           |  |      |  |    | NT$000 |  |  |           |  |  | NT$000 |    |  |   |  |           | US$000 | 
|Customers  |  |        |           |  |      |  |    |        |  |  |           |  |  |        |    |  |   |  |           |        |  |  |    |  |  |  |         | 
|Customer A |  |        | 4,404,039 |  |      |  | 21 |        |  |  | 4,307,855 |  |  |        | 23 |  |   |  | 3,370,285 |        |  |  | 18 |  |  |  | 104,021 | 
|Customer I |  |        | 3,521,646 |  |      |  | 17 |        |  |  | 2,935,820 |  |  |        | 16 |  |   |  | 3,085,190 |        |  |  | 17 |  |  |  | 95,222  | 
|Customer K |  |        | 2,227,706 |  |      |  | 11 |        |  |  | 2,386,975 |  |  |        | 13 |  |   |  | 2,633,431 |        |  |  | 14 |  |  |  | 81,279  | 
|Customer C |  |        | 1,544,914 |  |      |  | 7  |        |  |  | 1,761,049 |  |  |        | 9  |  |   |  | 1,870,675 |        |  |  | 10 |  |  |  | 57,737  | 

The revenue generated from the above customers is mainly from the segments of Assembly and LCDD.



|5. | Operating costs and expenses
|-- | ----------------------------



|                                             |  |        |            |  |        |  |            |        |  |  |            |   |  |  |         |  
|-------------------------------------------- |  | ------ | ---------- |  | ------ |  | ---------- | ------ |  |  | ---------- | - |  |  | ------- | -
|                                             |  | 2014   |            |  | 2015   |  |            | 2016   |  |  | 2016       |  
|                                             |  | NT$000 |            |  | NT$000 |  |            | NT$000 |  |  | US$000     |  
|Change of finished goods and work in process |  |        | 39,435     |  |        |  | 7,899      |        |  |  | (19,498    | ) |  |  | (602    | )
|Consumption of raw materials and materials   |  |        | 4,307,071  |  |        |  | 3,271,581  |        |  |  | 3,346,540  |   |  |  | 103,288 |  
|Employee benefit cost                        |  |        | 5,341,076  |  |        |  | 5,358,962  |        |  |  | 5,317,125  |   |  |  | 164,109 |  
|Depreciation and amortization                |  |        | 2,795,579  |  |        |  | 2,903,221  |        |  |  | 3,089,904  |   |  |  | 95,367  |  
|Other expenses                               |  |        | 4,721,245  |  |        |  | 4,752,050  |        |  |  | 4,745,253  |   |  |  | 146,459 |  
|                                             |  |        |            |  |        |  |            |        |  |  |            |   |  |  |         |  
|Total operating costs and expenses           |  |        | 17,204,406 |  |        |  | 16,293,713 |        |  |  | 16,479,324 |   |  |  | 508,621 |  
|                                             |  |        |            |  |        |  |            |        |  |  |            |   |  |  |         |  
|Employee benefit cost                        |  |        |            |  |        |  |            |        |  |  |            |   |  |  |         |  
|Salaries                                     |  |        | 4,266,380  |  |        |  | 4,300,550  |        |  |  | 4,126,203  |   |  |  | 127,352 |  
|Labor and health insurance                   |  |        | 341,542    |  |        |  | 355,331    |        |  |  | 351,232    |   |  |  | 10,840  |  
|Pension                                      |  |        | 173,002    |  |        |  | 179,665    |        |  |  | 183,293    |   |  |  | 5,657   |  
|Share-based payments                         |  |        | 281,614    |  |        |  | 207,242    |        |  |  | 356,463    |   |  |  | 11,002  |  
|Other personnel expenses                     |  |        | 278,538    |  |        |  | 316,174    |        |  |  | 299,934    |   |  |  | 9,258   |  
|                                             |  |        |            |  |        |  |            |        |  |  |            |   |  |  |         |  
|                                             |  |        | 5,341,076  |  |        |  | 5,358,962  |        |  |  | 5,317,125  |   |  |  | 164,109 |  
|                                             |  |        |            |  |        |  |            |        |  |  |            |   |  |  |         |  





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##### Table of Contents

ChipMOS TECHNOLOGIES INC. AND SUBSIDIARIES

Notes to the Consolidated Financial Statements (Continued)

December 31, 2014, 2015 and 2016







|6. | Other operating income (expenses), net
|-- | --------------------------------------



|                                                        |  |        |          |   |        |  |         |        |  |  |        |   |  |  |       |  
|------------------------------------------------------- |  | ------ | -------- | - | ------ |  | ------- | ------ |  |  | ------ | - |  |  | ----- | -
|                                                        |  | 2014   |          |   | 2015   |  |         | 2016   |  |  | 2016   |  
|                                                        |  | NT$000 |          |   | NT$000 |  |         | NT$000 |  |  | US$000 |  
|Gain on disposal of property, plant and equipment, net  |  |        | 39,904   |   |        |  | 1,562   |        |  |  | 2,575  |   |  |  | 79    |  
|Impairment loss on property, plant and equipment        |  |        |         |   |        |  | (1,460  | )      |  |  | (8,198 | ) |  |  | (253  | )
|Gain on disposal of scrapped material                   |  |        | 40,422   |   |        |  | 31,870  |        |  |  | 30,476 |   |  |  | 941   |  
|Gain on disposal of items purchased on behalf of others |  |        | 47,391   |   |        |  | 22,893  |        |  |  | 48,812 |   |  |  | 1,506 |  
|Others                                                  |  |        | (101,459 | ) |        |  | 50,186  |        |  |  | 16,641 |   |  |  | 514   |  
|                                                        |  |        |          |   |        |  |         |        |  |  |        |   |  |  |       |  
|                                                        |  |        | 26,258   |   |        |  | 105,051 |        |  |  | 90,306 |   |  |  | 2,787 |  
|                                                        |  |        |          |   |        |  |         |        |  |  |        |   |  |  |       |  



|7. | Finance costs
|-- | -------------



|                                               |  |        |         |   |        |  |         |        |  |  |         |   |  |  |       |  
|---------------------------------------------- |  | ------ | ------- | - | ------ |  | ------- | ------ |  |  | ------- | - |  |  | ----- | -
|                                               |  | 2014   |         |   | 2015   |  |         | 2016   |  |  | 2016    |  
|                                               |  | NT$000 |         |   | NT$000 |  |         | NT$000 |  |  | US$000  |  
|Interest on bank loans                         |  |        | 139,934 |   |        |  | 146,003 |        |  |  | 157,254 |   |  |  | 4,853 |  
|Interest on lease payable                      |  |        |        |   |        |  |        |        |  |  | 212     |   |  |  | 7     |  
|Less: Amounts capitalized in qualifying assets |  |        | (13,692 | ) |        |  | (19,382 | )      |  |  | (12,921 | ) |  |  | (399  | )
|                                               |  |        |         |   |        |  |         |        |  |  |         |   |  |  |       |  
|                                               |  |        | 126,242 |   |        |  | 126,621 |        |  |  | 144,545 |   |  |  | 4,461 |  
|Finance costs                                  |  |        | 7,563   |   |        |  | 15,890  |        |  |  | 34,571  |   |  |  | 1,067 |  
|                                               |  |        |         |   |        |  |         |        |  |  |         |   |  |  |       |  
|                                               |  |        | 133,805 |   |        |  | 142,511 |        |  |  | 179,116 |   |  |  | 5,528 |  
|                                               |  |        |         |   |        |  |         |        |  |  |         |   |  |  |       |  



|8. | Other non-operating income (expenses), net
|-- | ------------------------------------------



|                                                                          |  |        |           |  |        |  |         |        |  |  |          |   |  |  |        |  
|------------------------------------------------------------------------- |  | ------ | --------- |  | ------ |  | ------- | ------ |  |  | -------- | - |  |  | ------ | -
|                                                                          |  | 2014   |           |  | 2015   |  |         | 2016   |  |  | 2016     |  
|                                                                          |  | NT$000 |           |  | NT$000 |  |         | NT$000 |  |  | US$000   |  
|Interest income                                                           |  |        | 54,875    |  |        |  | 58,862  |        |  |  | 38,554   |   |  |  | 1,190  |  
|Foreign exchange gains (losses), net                                      |  |        | 298,456   |  |        |  | 241,983 |        |  |  | (195,326 | ) |  |  | (6,028 | )
|Impairment of
available-for-sale financial assets                         |  |        |          |  |        |  | (8,584  | )      |  |  |         |   |  |  |       |  
|Gain on disposal of
available-for-sale financial assets                   |  |        | 812,654   |  |        |  |        |        |  |  |         |   |  |  |       |  
|Gain on disposal of financial assets at fair value through profit or loss |  |        | 12,212    |  |        |  | 11,483  |        |  |  | 621      |   |  |  | 19     |  
|Share of profit of associate                                              |  |        |          |  |        |  | 31,269  |        |  |  | 28,924   |   |  |  | 893    |  
|Others                                                                    |  |        | 7,711     |  |        |  | 5,127   |        |  |  | 8,203    |   |  |  | 253    |  
|                                                                          |  |        |           |  |        |  |         |        |  |  |          |   |  |  |        |  
|                                                                          |  |        | 1,185,908 |  |        |  | 340,140 |        |  |  | (119,024 | ) |  |  | (3,673 | )
|                                                                          |  |        |           |  |        |  |         |        |  |  |          |   |  |  |        |  





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##### Table of Contents

ChipMOS TECHNOLOGIES INC. AND SUBSIDIARIES

Notes to the Consolidated Financial Statements (Continued)

December 31, 2014, 2015 and 2016







|9. | Income tax
|-- | ----------

Income tax expense arising in other jurisdictions is calculated at
the rates prevailing in the relevant jurisdictions, based on existing legislation, interpretations and practices in respect thereof.

The
statutory tax rates for the years ended December 31, 2014, 2015 and 2016 for ChipMOS Taiwan, ThaiLin and ChipMOS Shanghai were 17%, 17% and 25%, respectively.



| | a) | The major components of income tax expense for the years ended December 31, 2014, 2015 and 2016 are:
| | -- | ----------------------------------------------------------------------------------------------------



|                                                                                   |  |        |           |   |        |  |         |        |  |  |          |   |  |  |        |  
|---------------------------------------------------------------------------------- |  | ------ | --------- | - | ------ |  | ------- | ------ |  |  | -------- | - |  |  | ------ | -
|                                                                                   |  | 2014   |           |   | 2015   |  |         | 2016   |  |  | 2016     |  
|                                                                                   |  | NT$000 |           |   | NT$000 |  |         | NT$000 |  |  | US$000   |  
|Current income tax:                                                                |  |        |           |   |        |  |         |        |  |  |          |   |  |  |        |  
|Current tax on profits for the period                                              |  |        | 922,722   |   |        |  | 720,461 |        |  |  | 331,144  |   |  |  | 10,220 |  
|Income tax / benefit on unappropriated retained earnings                           |  |        | 98,107    |   |        |  | 198,157 |        |  |  | (174,930 | ) |  |  | (5,399 | )
|Prior year income tax (over) under estimate                                        |  |        | (4,340    | ) |        |  | (1,732  | )      |  |  | 4,527    |   |  |  | 140    |  
|                                                                                   |  |        |           |   |        |  |         |        |  |  |          |   |  |  |        |  
|Total current tax                                                                  |  |        | 1,016,489 |   |        |  | 916,886 |        |  |  | 160,741  |   |  |  | 4,961  |  
|                                                                                   |  |        |           |   |        |  |         |        |  |  |          |   |  |  |        |  
|Deferred tax:                                                                      |  |        |           |   |        |  |         |        |  |  |          |   |  |  |        |  
|Relating to origination and reversal of temporary differences                      |  |        | 19,754    |   |        |  | 18,969  |        |  |  | 16,379   |   |  |  | 506    |  
|                                                                                   |  |        |           |   |        |  |         |        |  |  |          |   |  |  |        |  
|Total deferred tax                                                                 |  |        | 19,754    |   |        |  | 18,969  |        |  |  | 16,379   |   |  |  | 506    |  
|                                                                                   |  |        |           |   |        |  |         |        |  |  |          |   |  |  |        |  
|Income tax expense reported in the consolidated statements of comprehensive income |  |        | 1,036,243 |   |        |  | 935,855 |        |  |  | 177,120  |   |  |  | 5,467  |  
|                                                                                   |  |        |           |   |        |  |         |        |  |  |          |   |  |  |        |  

Unappropriated retained earnings decreased by NT$5,052,343 thousand (US$155,937 thousand) due to the
capital reorganization, and accordingly the Company did not recognize an additional 10% tax on respective unappropriated retained earnings. Information about the capital reorganization for the year ended December 31, 2016 is provided in Note
31.

Deferred tax charged to other comprehensive income:



|                                                       |  |        |         |  |        |  |       |        |  |  |        |  |  |  |     | 
|------------------------------------------------------ |  | ------ | ------- |  | ------ |  | ----- | ------ |  |  | ------ |  |  |  | --- | 
|                                                       |  | 2014   |         |  | 2015   |  |       | 2016   |  |  | 2016   | 
|                                                       |  | NT$000 |         |  | NT$000 |  |       | NT$000 |  |  | US$000 | 
|Net actuarial losses                                   |  |        | 3,022   |  |        |  | 7,099 |        |  |  | 7,375  |  |  |  | 227 | 
|Unrealized gain in
available-for-sale financial assets |  |        | 133,135 |  |        |  |      |        |  |  |       |  |  |  |    | 
|                                                       |  |        |         |  |        |  |       |        |  |  |        |  |  |  |     | 
|                                                       |  |        | 136,157 |  |        |  | 7,099 |        |  |  | 7,375  |  |  |  | 227 | 
|                                                       |  |        |         |  |        |  |       |        |  |  |        |  |  |  |     | 





F-37



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##### Table of Contents

ChipMOS TECHNOLOGIES INC. AND SUBSIDIARIES

Notes to the Consolidated Financial Statements (Continued)

December 31, 2014, 2015 and 2016







|9. | Income tax (continued)
|-- | ----------------------



| | b) | Reconciliation of income tax expense and the accounting profit before income tax:
| | -- | ---------------------------------------------------------------------------------



|                                                                                   |  |        |           |   |        |  |         |        |  |  |          |   |  |  |        |  
|---------------------------------------------------------------------------------- |  | ------ | --------- | - | ------ |  | ------- | ------ |  |  | -------- | - |  |  | ------ | -
|                                                                                   |  | 2014   |           |   | 2015   |  |         | 2016   |  |  | 2016     |  
|                                                                                   |  | NT$000 |           |   | NT$000 |  |         | NT$000 |  |  | US$000   |  
|Tax calculated based on profit before tax and statutory tax rate                   |  |        | 813,467   |   |        |  | 462,692 |        |  |  | 214,550  |   |  |  | 6,622  |  
|Expenses disallowed by tax regulation                                              |  |        | 7,100     |   |        |  | 5,692   |        |  |  | (2,190   | ) |  |  | (68    | )
|Temporary difference not recognized as deferred tax assets                         |  |        | 333       |   |        |  | 6,522   |        |  |  | 1,306    |   |  |  | 40     |  
|Tax exempted income by tax regulation                                              |  |        | (6,435    | ) |        |  | (13,483 | )      |  |  | 12,057   |   |  |  | 372    |  
|Taxable loss not recognized as deferred tax assets                                 |  |        | 5,999     |   |        |  | 25,737  |        |  |  | 54,012   |   |  |  | 1,667  |  
|Effect of different tax rates in countries in which the Group operates             |  |        | (11,971   | ) |        |  | 3,100   |        |  |  | 10,451   |   |  |  | 323    |  
|Withholding tax                                                                    |  |        | 133,983   |   |        |  | 249,170 |        |  |  | 57,337   |   |  |  | 1,770  |  
|Prior year income tax (over) under estimate                                        |  |        | (4,340    | ) |        |  | (1,732  | )      |  |  | 4,527    |   |  |  | 140    |  
|Income tax on unappropriated retained earnings                                     |  |        | 98,107    |   |        |  | 198,157 |        |  |  | (174,930 | ) |  |  | (5,399 | )
|                                                                                   |  |        |           |   |        |  |         |        |  |  |          |   |  |  |        |  
|Income tax expense reported in the consolidated statements of comprehensive income |  |        | 1,036,243 |   |        |  | 935,855 |        |  |  | 177,120  |   |  |  | 5,467  |  
|                                                                                   |  |        |           |   |        |  |         |        |  |  |          |   |  |  |        |  





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##### Table of Contents

ChipMOS TECHNOLOGIES INC. AND SUBSIDIARIES

Notes to the Consolidated Financial Statements (Continued)

December 31, 2014, 2015 and 2016







|9. | Income tax (continued)
|-- | ----------------------



| | c) | The details of deferred tax assets (liabilities) are as follows:
| | -- | ----------------------------------------------------------------



|                                           |  |            |         |   |                |  |         |                          |  |  |              |  |  |              |         |   |  |  |        |  
|------------------------------------------ |  | ---------- | ------- | - | -------------- |  | ------- | ------------------------ |  |  | ------------ |  |  | ------------ | ------- | - |  |  | ------ | -
|                                           |  | January 1, |         |   | Profit andloss |  |         | Othercomprehensiveincome |  |  | December 31, |  |  | December 31, |        
|                                           |  | NT$000     |         |   | NT$000         |  |         | NT$000                   |  |  | NT$000       |  |  | US$000       |        
|Year of 2015                               |  |            |         |   |                |  |         |                          |  |  |              |  |  |              |         |   |  |  |        |  
|Deferred tax assets                        |  |            |         |   |                |  |         |                          |  |  |              |  |  |              |         |   |  |  |        |  
|Unrealized exchange (gains) losses         |  |            | (8,529  | ) |                |  | 2,686   |                          |  |  |             |  |  |              | (5,843  | ) |  |  |        |  
|Inventories                                |  |            | 13,337  |   |                |  | 1,486   |                          |  |  |             |  |  |              | 14,823  |   |  |  |        |  
|Property, plant and equipment              |  |            | 9,339   |   |                |  | (5,667  | )                        |  |  |             |  |  |              | 3,672   |   |  |  |        |  
|Deferred income                            |  |            | 59,975  |   |                |  | (9,552  | )                        |  |  |             |  |  |              | 50,423  |   |  |  |        |  
|Share-based payments                       |  |            | 1,056   |   |                |  | (1,056  | )                        |  |  |             |  |  |              |        |   |  |  |        |  
|Provisions                                 |  |            | 20,417  |   |                |  | (3,944  | )                        |  |  |             |  |  |              | 16,473  |   |  |  |        |  
|Net defined benefit liability, non-current |  |            | 82,007  |   |                |  | (2,387  | )                        |  |  | 7,099        |  |  |              | 86,719  |   |  |  |        |  
|Other                                      |  |            | 535     |   |                |  | (535    | )                        |  |  |             |  |  |              |        |   |  |  |        |  
|                                           |  |            |         |   |                |  |         |                          |  |  |              |  |  |              |         |   |  |  |        |  
|Deferred tax assets                        |  |            | 178,137 |   |                |  | (18,969 | )                        |  |  | 7,099        |  |  |              | 166,267 |   |  |  |        |  
|                                           |  |            |         |   |                |  |         |                          |  |  |              |  |  |              |         |   |  |  |        |  
|Year of 2016                               |  |            |         |   |                |  |         |                          |  |  |              |  |  |              |         |   |  |  |        |  
|Deferred tax assets                        |  |            |         |   |                |  |         |                          |  |  |              |  |  |              |         |   |  |  |        |  
|Unrealized exchange (gains) losses         |  |            | (5,843  | ) |                |  | 5,843   |                          |  |  |             |  |  |              |        |   |  |  |       |  
|Inventories                                |  |            | 14,823  |   |                |  | 11,501  |                          |  |  |             |  |  |              | 26,324  |   |  |  | 812    |  
|Property, plant and equipment              |  |            | 3,672   |   |                |  | 77,197  |                          |  |  |             |  |  |              | 80,869  |   |  |  | 2,496  |  
|Deferred income                            |  |            | 50,423  |   |                |  | (9,129  | )                        |  |  |             |  |  |              | 41,294  |   |  |  | 1,275  |  
|Provisions                                 |  |            | 16,473  |   |                |  | (5,241  | )                        |  |  |             |  |  |              | 11,232  |   |  |  | 347    |  
|Net defined benefit liability, non-current |  |            | 86,719  |   |                |  | (4,007  | )                        |  |  | 7,375        |  |  |              | 90,087  |   |  |  | 2,780  |  
|                                           |  |            |         |   |                |  |         |                          |  |  |              |  |  |              |         |   |  |  |        |  
|Deferred tax assets                        |  |            | 166,267 |   |                |  | 76,164  |                          |  |  | 7,375        |  |  |              | 249,806 |   |  |  | 7,710  |  
|                                           |  |            |         |   |                |  |         |                          |  |  |              |  |  |              |         |   |  |  |        |  
|Deferred tax liabilities                   |  |            |         |   |                |  |         |                          |  |  |              |  |  |              |         |   |  |  |        |  
|Unrealized exchange gains (losses)         |  |            |        |   |                |  | (14,155 | )                        |  |  |             |  |  |              | (14,155 | ) |  |  | (437   | )
|Property, plant and equipment              |  |            |        |   |                |  | (78,388 | )                        |  |  |             |  |  |              | (78,388 | ) |  |  | (2,419 | )
|                                           |  |            |         |   |                |  |         |                          |  |  |              |  |  |              |         |   |  |  |        |  
|Deferred tax liabilities                   |  |            |        |   |                |  | (92,543 | )                        |  |  |             |  |  |              | (92,543 | ) |  |  | (2,856 | )
|                                           |  |            |         |   |                |  |         |                          |  |  |              |  |  |              |         |   |  |  |        |  





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##### Table of Contents

ChipMOS TECHNOLOGIES INC. AND SUBSIDIARIES

Notes to the Consolidated Financial Statements (Continued)

December 31, 2014, 2015 and 2016







|9. | Income tax (continued)
|-- | ----------------------



| | d) | Expiration dates of unused tax losses and amounts of unrecognized deferred tax assets of discontinued operations are as follows:
| | -- | --------------------------------------------------------------------------------------------------------------------------------



|                  |  |                        |         |  |              |  |         |                      |  |  |              |  |  |     
|----------------- |  | ---------------------- | ------- |  | ------------ |  | ------- | -------------------- |  |  | ------------ |  |  | ----
|December 31, 2015
|Year incurred     |  | Amount filed /assessed |         |  | Unusedamount |  |         | Unrecognizedamount * |  |  | Usable until
|                  |  | NT$000                 |         |  | NT$000       |  |         | NT$000               |  |  |             
|2011 (Assessed)   |  |                        | 180,408 |  |              |  | 180,408 |                      |  |  | 180,408      |  |  | 2016
|2012 (Filed)      |  |                        | 236,206 |  |              |  | 236,206 |                      |  |  | 236,206      |  |  | 2017
|2013 (Filed)      |  |                        | 188,388 |  |              |  | 188,388 |                      |  |  | 188,388      |  |  | 2018
|2014 (Filed)      |  |                        | 80,288  |  |              |  | 80,288  |                      |  |  | 80,288       |  |  | 2019
|2015 (Filed)      |  |                        | 249,419 |  |              |  | 249,419 |                      |  |  | 249,419      |  |  | 2020



|                  |  |                        |         |  |              |  |         |                      |  |  |              |  |  |     
|----------------- |  | ---------------------- | ------- |  | ------------ |  | ------- | -------------------- |  |  | ------------ |  |  | ----
|December 31, 2016
|Year incurred     |  | Amount filed /assessed |         |  | Unusedamount |  |         | Unrecognizedamount * |  |  | Usable until
|                  |  | NT$000                 |         |  | NT$000       |  |         | NT$000               |  |  |             
|2012 (Filed)      |  |                        | 218,331 |  |              |  | 218,331 |                      |  |  | 218,331      |  |  | 2017
|2013 (Filed)      |  |                        | 174,132 |  |              |  | 174,132 |                      |  |  | 174,132      |  |  | 2018
|2014 (Filed)      |  |                        | 74,212  |  |              |  | 74,212  |                      |  |  | 74,212       |  |  | 2019
|2015 (Filed)      |  |                        | 230,544 |  |              |  | 230,544 |                      |  |  | 230,544      |  |  | 2020
|2016 (Filed)      |  |                        | 238,808 |  |              |  | 238,808 |                      |  |  | 238,808      |  |  | 2021



| | * | Unrecognized amount represents unused tax losses for which no deferred tax asset has been recognized.
| | - | -----------------------------------------------------------------------------------------------------

The unused tax losses were incurred by ChipMOS Shanghai (discontinued operations) that is not likely to generate taxable income in the
foreseeable future.



| | e) | The amounts of deductible temporary difference that are not recognized as deferred tax assets are as follows:
| | -- | -------------------------------------------------------------------------------------------------------------



|                                 |  |        |         |  |        |  |         |        |  |  |       | 
|-------------------------------- |  | ------ | ------- |  | ------ |  | ------- | ------ |  |  | ----- | 
|                                 |  | 2015   |         |  | 2016   |  |         | 2016   | 
|                                 |  | NT$000 |         |  | NT$000 |  |         | US$000 | 
|Deductible temporary differences |  |        | 139,241 |  |        |  | 112,499 |        |  |  | 3,472 | 



| | f) | The Companys income tax returns through 2014 have been assessed and approved by the Tax Authority.
| | -- | ---------------------------------------------------------------------------------------------------



| | g) | The Companys unappropriated retained earnings were all generated in and after 1998.
| | -- | ------------------------------------------------------------------------------------



| | h) | As of December 31, 2015 and 2016, the balance of the imputation tax credit account was NT$1,111,903 thousand and NT$1,192,119 thousand (US$36,794 thousand), respectively. The creditable tax rate was
20.48% for the year ended December 31, 2015 and is estimated to be 20.48% for year ended December 31, 2016.
| | -- | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------



|10. | Earnings per share (EPS)
|--- | --------------------------

Basic EPS amounts are calculated by
dividing the profit for the year attributable to equity holders of the Company by the weighted average number of ordinary shares outstanding during the year.

Diluted EPS amounts are calculated by dividing the profit attributable to equity holders of the Company by the weighted average number of
ordinary shares outstanding during the year plus the weighted average number of ordinary shares that would be issued on conversion of all the dilutive potential ordinary shares into ordinary shares.





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ChipMOS TECHNOLOGIES INC. AND SUBSIDIARIES

Notes to the Consolidated Financial Statements (Continued)

December 31, 2014, 2015 and 2016







|10. | Earnings per share (EPS) (continued)
|--- | --------------------------------------



The following reflects the income and share data used in the basic and diluted EPS
computations:



|                               |  |                 |           |   |                                                       |  |         |                   |  |  |       |  
|------------------------------ |  | --------------- | --------- | - | ----------------------------------------------------- |  | ------- | ----------------- |  |  | ----- | -
|                               |  | 2014            |          
|                               |  | Amountafter tax |           |   | Weighted-averagenumber of ordinaryshares outstanding  |  |         | Earningsper share | 
|Basic earnings per share       |  | NT$000          |           |   | in thousands                                          |  |         | NT$               | 
|Profit (loss) attributable to: |  |                 |           |   |                                                       |  |         |                   |  |  |       |  
|Equity holders of the Company  |  |                 |           |   |                                                       |  |         |                   |  |  |       |  
|- Continuing operations        |  |                 | 3,273,971 |   |                                                       |  |         |                   |  |  | 3.81  |  
|- Discontinued operations      |  |                 | 82,189    |   |                                                       |  |         |                   |  |  | 0.10  |  
|                               |  |                 |           |   |                                                       |  |         |                   |  |  |       |  
|Equity holders of the Company  |  |                 | 3,356,160 |   |                                                       |  |         |                   |  |  | 3.91  |  
|Predecessors interests        |  |                 | (141,977  | ) |                                                       |  |         |                   |  |  | (0.17 | )
|                               |  |                 |           |   |                                                       |  |         |                   |  |  |       |  
|                               |  |                 | 3,214,183 |   |                                                       |  | 858,716 |                   |  |  | 3.74  |  
|                               |  |                 |           |   |                                                       |  |         |                   |  |  |       |  
|Diluted earnings per share     |  |                 |           |   |                                                       |  |         |                   |  |  |       |  
|Employees bonuses             |  |                 |           |   |                                                       |  | 7,122   |                   |  |  |       |  
|Restricted shares              |  |                 |           |   |                                                       |  |        |                   |  |  |       |  
|                               |  |                 |           |   |                                                       |  |         |                   |  |  |       |  
|Profit (loss) attributable to: |  |                 |           |   |                                                       |  |         |                   |  |  |       |  
|Equity holders of the Company  |  |                 |           |   |                                                       |  |         |                   |  |  |       |  
|- Continuing operations        |  |                 | 3,273,971 |   |                                                       |  |         |                   |  |  | 3.78  |  
|- Discontinued operations      |  |                 | 82,189    |   |                                                       |  |         |                   |  |  | 0.09  |  
|                               |  |                 |           |   |                                                       |  |         |                   |  |  |       |  
|Equity holders of the Company  |  |                 | 3,356,160 |   |                                                       |  |         |                   |  |  | 3.87  |  
|Predecessors interests        |  |                 | (141,977  | ) |                                                       |  |         |                   |  |  | (0.16 | )
|                               |  |                 |           |   |                                                       |  |         |                   |  |  |       |  
|                               |  |                 | 3,214,183 |   |                                                       |  | 865,838 |                   |  |  | 3.71  |  
|                               |  |                 |           |   |                                                       |  |         |                   |  |  |       |  
|                               | 
|                               |  | 2015            |          
|                               |  | Amountafter tax |           |   | Weighted-averagenumber of ordinaryshares outstanding* |  |         | Earningsper share | 
|Basic earnings per share       |  | NT$000          |           |   | in thousands                                          |  |         | NT$               | 
|Profit (loss) attributable to: |  |                 |           |   |                                                       |  |         |                   |  |  |       |  
|Equity holders of the Company  |  |                 |           |   |                                                       |  |         |                   |  |  |       |  
|- Continuing operations        |  |                 | 2,164,557 |   |                                                       |  |         |                   |  |  | 2.47  |  
|- Discontinued operations      |  |                 | (34,233   | ) |                                                       |  |         |                   |  |  | (0.04 | )
|                               |  |                 |           |   |                                                       |  |         |                   |  |  |       |  
|Equity holders of the Company  |  |                 | 2,130,324 |   |                                                       |  |         |                   |  |  | 2.43  |  
|Predecessors interests        |  |                 | (291,429  | ) |                                                       |  |         |                   |  |  | (0.33 | )
|                               |  |                 |           |   |                                                       |  |         |                   |  |  |       |  
|                               |  |                 | 1,838,895 |   |                                                       |  | 877,402 |                   |  |  | 2.10  |  
|                               |  |                 |           |   |                                                       |  |         |                   |  |  |       |  
|Diluted earnings per share     |  |                 |           |   |                                                       |  |         |                   |  |  |       |  
|Employees bonuses             |  |                 |           |   |                                                       |  | 10,867  |                   |  |  |       |  
|Restricted shares              |  |                 |           |   |                                                       |  | 27      |                   |  |  |       |  
|                               |  |                 |           |   |                                                       |  |         |                   |  |  |       |  
|Profit (loss) attributable to: |  |                 |           |   |                                                       |  |         |                   |  |  |       |  
|Equity holders of the Company  |  |                 |           |   |                                                       |  |         |                   |  |  |       |  
|- Continuing operations        |  |                 | 2,164,557 |   |                                                       |  |         |                   |  |  | 2.44  |  
|- Discontinued operations      |  |                 | (34,233   | ) |                                                       |  |         |                   |  |  | (0.04 | )
|                               |  |                 |           |   |                                                       |  |         |                   |  |  |       |  
|Equity holders of the Company  |  |                 | 2,130,324 |   |                                                       |  |         |                   |  |  | 2.40  |  
|Predecessors interests        |  |                 | (291,429  | ) |                                                       |  |         |                   |  |  | (0.33 | )
|                               |  |                 |           |   |                                                       |  |         |                   |  |  |       |  
|                               |  |                 | 1,838,895 |   |                                                       |  | 888,296 |                   |  |  | 2.07  |  
|                               |  |                 |           |   |                                                       |  |         |                   |  |  |       |  





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ChipMOS TECHNOLOGIES INC. AND SUBSIDIARIES

Notes to the Consolidated Financial Statements (Continued)

December 31, 2014, 2015 and 2016







|10. | Earnings per share (EPS) (continued)
|--- | --------------------------------------



The following reflects the income and share data used in the basic and diluted EPS
computations:



|                               |  |                 |           |   |                                                       |  |         |                   |  |  |                   |   |  |  |       |  
|------------------------------ |  | --------------- | --------- | - | ----------------------------------------------------- |  | ------- | ----------------- |  |  | ----------------- | - |  |  | ----- | -
|                               |  | 2016            |          
|                               |  | Amountafter tax |           |   | Weighted-averagenumber of ordinaryshares outstanding* |  |         | Earningsper share |  |  | Earningsper share |  
|Basic earnings per share       |  | NT$000          |           |   | In thousands                                          |  |         | NT$               |  |  | US$               |  
|Profit (loss) attributable to: |  |                 |           |   |                                                       |  |         |                   |  |  |                   |   |  |  |       |  
|Equity holders of the Company  |  |                 |           |   |                                                       |  |         |                   |  |  |                   |   |  |  |       |  
|- Continuing operations        |  |                 | 1,829,327 |   |                                                       |  |         |                   |  |  | 2.13              |   |  |  | 0.07  |  
|- Discontinued operations      |  |                 | (122,105  | ) |                                                       |  |         |                   |  |  | (0.14             | ) |  |  | (0.01 | )
|                               |  |                 |           |   |                                                       |  |         |                   |  |  |                   |   |  |  |       |  
|Equity holders of the Company  |  |                 | 1,707,222 |   |                                                       |  |         |                   |  |  | 1.99              |   |  |  | 0.06  |  
|Predecessors interests        |  |                 | (306,012  | ) |                                                       |  |         |                   |  |  | (0.35             | ) |  |  | (0.01 | )
|                               |  |                 |           |   |                                                       |  |         |                   |  |  |                   |   |  |  |       |  
|                               |  |                 | 1,401,210 |   |                                                       |  | 859,644 |                   |  |  | 1.64              |   |  |  | 0.05  |  
|                               |  |                 |           |   |                                                       |  |         |                   |  |  |                   |   |  |  |       |  
|Diluted earnings per share     |  |                 |           |   |                                                       |  |         |                   |  |  |                   |   |  |  |       |  
|Employees bonuses             |  |                 |           |   |                                                       |  | 3,035   |                   |  |  |                   |   |  |  |       |  
|Restricted shares              |  |                 |           |   |                                                       |  | 4,122   |                   |  |  |                   |   |  |  |       |  
|                               |  |                 |           |   |                                                       |  |         |                   |  |  |                   |   |  |  |       |  
|Profit (loss) attributable to: |  |                 |           |   |                                                       |  |         |                   |  |  |                   |   |  |  |       |  
|Equity holders of the Company  |  |                 |           |   |                                                       |  |         |                   |  |  |                   |   |  |  |       |  
|- Continuing operations        |  |                 | 1,829,327 |   |                                                       |  |         |                   |  |  | 2.11              |   |  |  | 0.07  |  
|- Discontinued operations      |  |                 | (122,105  | ) |                                                       |  |         |                   |  |  | (0.14             | ) |  |  | (0.01 | )
|                               |  |                 |           |   |                                                       |  |         |                   |  |  |                   |   |  |  |       |  
|Equity holders of the Company  |  |                 | 1,707,222 |   |                                                       |  |         |                   |  |  | 1.97              |   |  |  | 0.06  |  
|Predecessors interests        |  |                 | (306,012  | ) |                                                       |  |         |                   |  |  | (0.35             | ) |  |  | (0.01 | )
|                               |  |                 |           |   |                                                       |  |         |                   |  |  |                   |   |  |  |       |  
|                               |  |                 | 1,401,210 |   |                                                       |  | 866,801 |                   |  |  | 1.62              |   |  |  | 0.05  |  
|                               |  |                 |           |   |                                                       |  |         |                   |  |  |                   |   |  |  |       |  



| | * | The weighted average number of shares takes into account the weighted average effect of changes in treasury stock transaction during the year.
| | - | ----------------------------------------------------------------------------------------------------------------------------------------------



|11. | Dividend
|--- | --------

A dividend of NT$2.22 per share was approved by the shareholders of the
Company on June 3, 2015. The dividend of NT$1,999,225 thousand was fully paid on July 17, 2015 to all ordinary shareholders of record at the close of business on June 28, 2015. With NT$1,159,018 thousand was distributed to
the Companys former parent company, ChipMOS Bermuda.

A dividend of NT$2.09 per share was approved by the shareholders of the Company
on May 31, 2016. The dividend of NT$1,792,553 thousand (US$55,326 thousand) was fully paid on December 19, 2016 to all ordinary shareholders of record at the close of business on December 3, 2016.



|12. | Available-for-sale financial assets
|--- | -----------------------------------



|                                      |  |                  |         |   |                  |  |         |                  |  |  |        |  
|------------------------------------- |  | ---------------- | ------- | - | ---------------- |  | ------- | ---------------- |  |  | ------ | -
|                                      |  | December 31,2015 |         |   | December 31,2016 |  |         | December 31,2016 | 
|                                      |  | NT$000           |         |   | NT$000           |  |         | US$000           | 
|Unlisted equity investments, at cost  |  |                  | 79,880  |   |                  |  | 79,880  |                  |  |  | 2,465  |  
|Less: Allowance for impairment losses |  |                  | (69,920 | ) |                  |  | (69,920 | )                |  |  | (2,158 | )
|                                      |  |                  |         |   |                  |  |         |                  |  |  |        |  
|                                      |  |                  | 9,960   |   |                  |  | 9,960   |                  |  |  | 307    |  
|                                      |  |                  |         |   |                  |  |         |                  |  |  |        |  

CONNECTEC JAPAN Corporation (CTJ) is experiencing year over year loss due to underperforming
operations. After assessment, the Company recognized impairment loss on its CTJ equity investment for the year ended December 31, 2015 of NT$8,584 thousand.





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ChipMOS TECHNOLOGIES INC. AND SUBSIDIARIES

Notes to the Consolidated Financial Statements (Continued)

December 31, 2014, 2015 and 2016







|13. | Investment in associates
|--- | ------------------------

Details of investment in associates are as follows:



|                                  |  |                                     |  |                   |  |                   |           |  |                   |                |    |        |           |  |         |  |  |   |        |  |  |  |    | 
|--------------------------------- |  | ----------------------------------- |  | ----------------- |  | ----------------- | --------- |  | ----------------- | -------------- | -- | ------ | --------- |  | ------- |  |  | - | ------ |  |  |  | -- | 
|                                  |  | Country ofincorporationand business |  | Measurementmethod |  | December 31, 2015 |           |  | December 31, 2016 |               
|Investee company                  |  |                                     |  | Carryingamount    |  |                   | Ownership |  |                   | Carryingamount |    |        | Ownership | 
|                                  |  |                                     |  |                   |  | NT$000            |           |  | %                 |                |    | NT$000 |           |  | US$000  |  |  | % |       
|JMC ELECTRONICS CO., LTD. (JMC) |  | KaohsiungTaiwan                     |  | Equitymethod      |  |                   | 346,268   |  |                   |                | 21 |        |           |  | 369,329 |  |  |   | 11,399 |  |  |  | 21 | 

The Company acquired 13,300 thousand JMC ordinary shares in August 2014, totaled
NT$199,164 thousand. JMC issued new shares on January 31, 2015, and the Company took up 5,800 thousand shares at the purchase price of NT$20 per ordinary share. The Companys ownership in JMC increased from 19% to 21% and
obtained significant influence over JMC which became an investment in associate and was measured by equity method (transferred from available-for-sale financial assets).

The tables below provide summarized financial information for the investment in associates that are material to the Group.

Statements of financial position



|                        |  |                  |           |   |                  |  |           |                  |  |  |        |  
|----------------------- |  | ---------------- | --------- | - | ---------------- |  | --------- | ---------------- |  |  | ------ | -
|                        |  | JMC              |          
|                        |  | December 31,2015 |           |   | December 31,2016 |  |           | December 31,2016 | 
|                        |  | NT$000           |           |   | NT$000           |  |           | US$000           | 
|Current assets          |  |                  | 765,420   |   |                  |  | 904,571   |                  |  |  | 27,919 |  
|Non-current assets      |  |                  | 905,803   |   |                  |  | 876,314   |                  |  |  | 27,047 |  
|Current liabilities     |  |                  | (259,280  | ) |                  |  | (258,513  | )                |  |  | (7,979 | )
|Non-current liabilities |  |                  | (783      | ) |                  |  | (2,491    | )                |  |  | (77    | )
|                        |  |                  |           |   |                  |  |           |                  |  |  |        |  
|Net assets              |  |                  | 1,411,160 |   |                  |  | 1,519,881 |                  |  |  | 46,910 |  
|                        |  |                  |           |   |                  |  |           |                  |  |  |        |  
|Groups share           |  |                  | 299,448   |   |                  |  | 322,509   |                  |  |  | 9,954  |  
|Goodwill                |  |                  | 46,820    |   |                  |  | 46,820    |                  |  |  | 1,445  |  
|                        |  |                  |           |   |                  |  |           |                  |  |  |        |  
|Carrying amount         |  |                  | 346,268   |   |                  |  | 369,329   |                  |  |  | 11,399 |  
|                        |  |                  |           |   |                  |  |           |                  |  |  |        |  

Statements of comprehensive income



|                                                   |  |                         |           |   |        |  |           |        |  |  |        |  
|-------------------------------------------------- |  | ----------------------- | --------- | - | ------ |  | --------- | ------ |  |  | ------ | -
|                                                   |  | JMC                     |          
|                                                   |  | Year ended December 31, |          
|                                                   |  | 2015                    |           |   | 2016   |  |           | 2016   | 
|                                                   |  | NT$000                  |           |   | NT$000 |  |           | US$000 | 
|Revenue                                            |  |                         | 1,588,245 |   |        |  | 1,667,761 |        |  |  | 51,474 |  
|                                                   |  |                         |           |   |        |  |           |        |  |  |        |  
|Profit for the year                                |  |                         | 284,267   |   |        |  | 136,303   |        |  |  | 4,207  |  
|Other comprehensive income (net of tax)            |  |                         | (774      | ) |        |  | (627      | )      |  |  | (19    | )
|                                                   |  |                         |           |   |        |  |           |        |  |  |        |  
|Total comprehensive income                         |  |                         | 283,493   |   |        |  | 135,676   |        |  |  | 4,188  |  
|                                                   |  |                         |           |   |        |  |           |        |  |  |        |  
|Dividend received from the investment in associate |  |                         |          |   |        |  | 5,730     |        |  |  | 177    |  
|                                                   |  |                         |           |   |        |  |           |        |  |  |        |  





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ChipMOS TECHNOLOGIES INC. AND SUBSIDIARIES

Notes to the Consolidated Financial Statements (Continued)

December 31, 2014, 2015 and 2016







|14. | Property, plant and equipment, net
|--- | ----------------------------------



|                                                                |  |        |         |  |                                 |  |            |                       |  |  |             |   |  |                |            |   |                                                     |  |            |        |  |  |            |   |  |  |             |   |  |  |            |  
|--------------------------------------------------------------- |  | ------ | ------- |  | ------------------------------- |  | ---------- | --------------------- |  |  | ----------- | - |  | -------------- | ---------- | - | --------------------------------------------------- |  | ---------- | ------ |  |  | ---------- | - |  |  | ----------- | - |  |  | ---------- | -
|                                                                |  | Land   |         |  | Buildings andauxiliaryequipment |  |            | Machineryandequipment |  |  | Tools       |   |  | Otherequipment |            |   | Construction inprogress andequipment tobe inspected |  |            | Total  |  |  | Total      |  
|                                                                |  | NT$000 |         |  | NT$000                          |  |            | NT$000                |  |  | NT$000      |   |  | NT$000         |            |   | NT$000                                              |  |            | NT$000 |  |  | US$000     |  
|January 1, 2015                                                 |  |        |         |  |                                 |  |            |                       |  |  |             |   |  |                |            |   |                                                     |  |            |        |  |  |            |   |  |  |             |   |  |  |            |  
|Cost                                                            |  |        | 452,738 |  |                                 |  | 10,125,577 |                       |  |  | 43,230,713  |   |  |                | 3,612,906  |   |                                                     |  | 3,507,536  |        |  |  | 1,055,144  |   |  |  | 61,984,614  |   |  |  |            |  
|Accumulated depreciation and impairment                         |  |        |        |  |                                 |  | (5,283,569 | )                     |  |  | (36,705,733 | ) |  |                | (3,221,842 | ) |                                                     |  | (3,169,355 | )      |  |  |           |   |  |  | (48,380,499 | ) |  |  |            |  
|                                                                |  |        |         |  |                                 |  |            |                       |  |  |             |   |  |                |            |   |                                                     |  |            |        |  |  |            |   |  |  |             |   |  |  |            |  
|                                                                |  |        | 452,738 |  |                                 |  | 4,842,008  |                       |  |  | 6,524,980   |   |  |                | 391,064    |   |                                                     |  | 338,181    |        |  |  | 1,055,144  |   |  |  | 13,604,115  |   |  |  |            |  
|                                                                |  |        |         |  |                                 |  |            |                       |  |  |             |   |  |                |            |   |                                                     |  |            |        |  |  |            |   |  |  |             |   |  |  |            |  
|January 1, 2015                                                 |  |        | 452,738 |  |                                 |  | 4,842,008  |                       |  |  | 6,524,980   |   |  |                | 391,064    |   |                                                     |  | 338,181    |        |  |  | 1,055,144  |   |  |  | 13,604,115  |   |  |  |            |  
|Additions                                                       |  |        |        |  |                                 |  | 138,520    |                       |  |  | 591,669     |   |  |                | 159,002    |   |                                                     |  | 225,097    |        |  |  | 2,530,272  |   |  |  | 3,644,560   |   |  |  |            |  
|Disposals                                                       |  |        |        |  |                                 |  |           |                       |  |  | (2,808      | ) |  |                | (117       | ) |                                                     |  | (2,190     | )      |  |  |           |   |  |  | (5,115      | ) |  |  |            |  
|Reclassification                                                |  |        |        |  |                                 |  | 473,747    |                       |  |  | 2,243,253   |   |  |                | 34,487     |   |                                                     |  | 6,704      |        |  |  | (2,758,191 | ) |  |  |            |   |  |  |            |  
|Depreciation charge for the year                                |  |        |        |  |                                 |  | (610,551   | )                     |  |  | (2,013,069  | ) |  |                | (233,242   | ) |                                                     |  | (162,115   | )      |  |  |           |   |  |  | (3,018,977  | ) |  |  |            |  
|Impairment                                                      |  |        |        |  |                                 |  |           |                       |  |  |            |   |  |                |           |   |                                                     |  | (1,478     | )      |  |  |           |   |  |  | (1,478      | ) |  |  |            |  
|Exchange adjustments                                            |  |        |        |  |                                 |  | (7,044     | )                     |  |  | (1,320      | ) |  |                | (1,420     | ) |                                                     |  | (639       | )      |  |  | (1,122     | ) |  |  | (11,545     | ) |  |  |            |  
|                                                                |  |        |         |  |                                 |  |            |                       |  |  |             |   |  |                |            |   |                                                     |  |            |        |  |  |            |   |  |  |             |   |  |  |            |  
|December 31, 2015                                               |  |        | 452,738 |  |                                 |  | 4,836,680  |                       |  |  | 7,342,705   |   |  |                | 349,774    |   |                                                     |  | 403,560    |        |  |  | 826,103    |   |  |  | 14,211,560  |   |  |  |            |  
|                                                                |  |        |         |  |                                 |  |            |                       |  |  |             |   |  |                |            |   |                                                     |  |            |        |  |  |            |   |  |  |             |   |  |  |            |  
|December 31, 2015                                               |  |        |         |  |                                 |  |            |                       |  |  |             |   |  |                |            |   |                                                     |  |            |        |  |  |            |   |  |  |             |   |  |  |            |  
|Cost                                                            |  |        | 452,738 |  |                                 |  | 10,700,236 |                       |  |  | 45,945,380  |   |  |                | 3,673,636  |   |                                                     |  | 3,047,001  |        |  |  | 826,103    |   |  |  | 64,645,094  |   |  |  |            |  
|Accumulated depreciation and impairment                         |  |        |        |  |                                 |  | (5,863,556 | )                     |  |  | (38,602,675 | ) |  |                | (3,323,862 | ) |                                                     |  | (2,643,441 | )      |  |  |           |   |  |  | (50,433,534 | ) |  |  |            |  
|                                                                |  |        |         |  |                                 |  |            |                       |  |  |             |   |  |                |            |   |                                                     |  |            |        |  |  |            |   |  |  |             |   |  |  |            |  
|                                                                |  |        | 452,738 |  |                                 |  | 4,836,680  |                       |  |  | 7,342,705   |   |  |                | 349,774    |   |                                                     |  | 403,560    |        |  |  | 826,103    |   |  |  | 14,211,560  |   |  |  |            |  
|                                                                |  |        |         |  |                                 |  |            |                       |  |  |             |   |  |                |            |   |                                                     |  |            |        |  |  |            |   |  |  |             |   |  |  |            |  
|January 1, 2016                                                 |  |        |         |  |                                 |  |            |                       |  |  |             |   |  |                |            |   |                                                     |  |            |        |  |  |            |   |  |  |             |   |  |  |            |  
|Cost                                                            |  |        | 452,738 |  |                                 |  | 10,700,236 |                       |  |  | 45,945,380  |   |  |                | 3,673,636  |   |                                                     |  | 3,047,001  |        |  |  | 826,103    |   |  |  | 64,645,094  |   |  |  | 1,995,219  |  
|Accumulated depreciation and impairment                         |  |        |        |  |                                 |  | (5,863,556 | )                     |  |  | (38,602,675 | ) |  |                | (3,323,862 | ) |                                                     |  | (2,643,441 | )      |  |  |           |   |  |  | (50,433,534 | ) |  |  | (1,556,591 | )
|                                                                |  |        |         |  |                                 |  |            |                       |  |  |             |   |  |                |            |   |                                                     |  |            |        |  |  |            |   |  |  |             |   |  |  |            |  
|                                                                |  |        | 452,738 |  |                                 |  | 4,836,680  |                       |  |  | 7,342,705   |   |  |                | 349,774    |   |                                                     |  | 403,560    |        |  |  | 826,103    |   |  |  | 14,211,560  |   |  |  | 438,628    |  
|                                                                |  |        |         |  |                                 |  |            |                       |  |  |             |   |  |                |            |   |                                                     |  |            |        |  |  |            |   |  |  |             |   |  |  |            |  
|January 1, 2016                                                 |  |        | 452,738 |  |                                 |  | 4,836,680  |                       |  |  | 7,342,705   |   |  |                | 349,774    |   |                                                     |  | 403,560    |        |  |  | 826,103    |   |  |  | 14,211,560  |   |  |  | 438,628    |  
|Additions                                                       |  |        |        |  |                                 |  | 255,916    |                       |  |  | 934,913     |   |  |                | 358,413    |   |                                                     |  | 351,850    |        |  |  | 2,789,903  |   |  |  | 4,690,995   |   |  |  | 144,784    |  
|Disposals                                                       |  |        |        |  |                                 |  | (51        | )                     |  |  | (8,624      | ) |  |                |           |   |                                                     |  | (351       | )      |  |  |           |   |  |  | (9,026      | ) |  |  | (279       | )
|Reclassification                                                |  |        |        |  |                                 |  | 372,448    |                       |  |  | 1,509,798   |   |  |                | 22,882     |   |                                                     |  | 37,373     |        |  |  | (1,942,501 | ) |  |  |            |   |  |  |           |  
|Depreciation charge for the year                                |  |        |        |  |                                 |  | (631,233   | )                     |  |  | (2,188,976  | ) |  |                | (201,755   | ) |                                                     |  | (206,477   | )      |  |  |           |   |  |  | (3,228,441  | ) |  |  | (99,643    | )
|Impairment                                                      |  |        |        |  |                                 |  |           |                       |  |  |            |   |  |                |           |   |                                                     |  | (8,198     | )      |  |  |           |   |  |  | (8,198      | ) |  |  | (253       | )
|Exchange adjustments                                            |  |        |        |  |                                 |  | (45,814    | )                     |  |  | (18,196     | ) |  |                | (4,871     | ) |                                                     |  | (11,134    | )      |  |  | (45,689    | ) |  |  | (125,704    | ) |  |  | (3,879     | )
|                                                                |  |        |         |  |                                 |  |            |                       |  |  |             |   |  |                |            |   |                                                     |  |            |        |  |  |            |   |  |  |             |   |  |  |            |  
|December 31, 2016                                               |  |        | 452,738 |  |                                 |  | 4,787,946  |                       |  |  | 7,571,620   |   |  |                | 524,443    |   |                                                     |  | 566,623    |        |  |  | 1,627,816  |   |  |  | 15,531,186  |   |  |  | 479,358    |  
|                                                                |  |        |         |  |                                 |  |            |                       |  |  |             |   |  |                |            |   |                                                     |  |            |        |  |  |            |   |  |  |             |   |  |  |            |  
|December 31, 2016                                               |  |        |         |  |                                 |  |            |                       |  |  |             |   |  |                |            |   |                                                     |  |            |        |  |  |            |   |  |  |             |   |  |  |            |  
|Cost                                                            |  |        | 452,738 |  |                                 |  | 11,183,278 |                       |  |  | 47,002,228  |   |  |                | 3,999,894  |   |                                                     |  | 3,353,413  |        |  |  | 1,627,816  |   |  |  | 67,619,367  |   |  |  | 2,087,018  |  
|Accumulated depreciation and impairment                         |  |        |        |  |                                 |  | (6,395,332 | )                     |  |  | (39,430,608 | ) |  |                | (3,475,451 | ) |                                                     |  | (2,786,790 | )      |  |  |           |   |  |  | (52,088,181 | ) |  |  | (1,607,660 | )
|                                                                |  |        |         |  |                                 |  |            |                       |  |  |             |   |  |                |            |   |                                                     |  |            |        |  |  |            |   |  |  |             |   |  |  |            |  
|                                                                |  |        | 452,738 |  |                                 |  | 4,787,946  |                       |  |  | 7,571,620   |   |  |                | 524,443    |   |                                                     |  | 566,623    |        |  |  | 1,627,816  |   |  |  | 15,531,186  |   |  |  | 479,358    |  
|Less: Property, plant and equipment classified as held for sale |  |        |        |  |                                 |  | (710,191   | )                     |  |  | (433,688    | ) |  |                | (90,460    | ) |                                                     |  | (168,314   | )      |  |  | (631,315   | ) |  |  | (2,033,968  | ) |  |  | (62,777    | )
|                                                                |  |        |         |  |                                 |  |            |                       |  |  |             |   |  |                |            |   |                                                     |  |            |        |  |  |            |   |  |  |             |   |  |  |            |  
|                                                                |  |        | 452,738 |  |                                 |  | 4,077,755  |                       |  |  | 7,137,932   |   |  |                | 433,983    |   |                                                     |  | 398,309    |        |  |  | 996,501    |   |  |  | 13,497,218  |   |  |  | 416,581    |  
|                                                                |  |        |         |  |                                 |  |            |                       |  |  |             |   |  |                |            |   |                                                     |  |            |        |  |  |            |   |  |  |             |   |  |  |            |  

As of December 31, 2015 and 2016, certain of the above property, plant and equipment were pledged as collateral for
long-term bank loans (Notes 34).





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ChipMOS TECHNOLOGIES INC. AND SUBSIDIARIES

Notes to the Consolidated Financial Statements (Continued)

December 31, 2014, 2015 and 2016







|14. | Property, plant and equipment, net (continued)
|--- | ----------------------------------------------



|                                     |  |        |                 |  |        |  |                 |        |  |  |                 | 
|------------------------------------ |  | ------ | --------------- |  | ------ |  | --------------- | ------ |  |  | --------------- | 
|                                     |  | 2015   |                 |  | 2016   |  |                 | 2016   | 
|                                     |  | NT$000 |                 |  | NT$000 |  |                 | US$000 | 
|Capitalization interest              |  |        | 19,410          |  |        |  | 13,435          |        |  |  | 415             | 
|Capitalization interest rate applied |  |        | 1.7814%~3.1678% |  |        |  | 1.7456%~3.6166% |        |  |  | 1.7456%~3.6166% | 



|15. | Prepaid rent
|--- | ------------



|                           |  |                  |        |  |                  |  |   |                  |  |  |   | 
|-------------------------- |  | ---------------- | ------ |  | ---------------- |  | - | ---------------- |  |  | - | 
|                           |  | December 31,2015 |        |  | December 31,2016 |  |   | December 31,2016 | 
|                           |  | NT$000           |        |  | NT$000           |  |   | US$000           | 
|Prepaid rent  current     |  |                  | 2,574  |  |                  |  |  |                  |  |  |  | 
|Prepaid rent  non-current |  |                  | 91,603 |  |                  |  |  |                  |  |  |  | 
|                           |  |                  |        |  |                  |  |   |                  |  |  |   | 
|                           |  |                  | 94,177 |  |                  |  |  |                  |  |  |  | 
|                           |  |                  |        |  |                  |  |   |                  |  |  |   | 



| | a) | Prepaid rent represents government grant of land use rights of ChipMOS Shanghai. The fair value of the land use rights is credited to a deferred income account. The prepaid rent is released to rent expense over the
expected useful life of 50 years by equal annual instalments. The current portion is included in other current assets.
| | -- | ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------



| | b) | Information about the prepaid rent classified as held for sale assets of disposal group is provided in Note 19.
| | -- | ---------------------------------------------------------------------------------------------------------------



|16. | Inventories
|--- | -----------



|                                      |  |                  |           |   |                  |  |           |                  |  |  |        |  
|------------------------------------- |  | ---------------- | --------- | - | ---------------- |  | --------- | ---------------- |  |  | ------ | -
|                                      |  | December 31,2015 |           |   | December 31,2016 |  |           | December 31,2016 | 
|                                      |  | NT$000           |           |   | NT$000           |  |           | US$000           | 
|Raw materials                         |  |                  | 1,515,096 |   |                  |  | 1,787,810 |                  |  |  | 55,179 |  
|Work in process                       |  |                  | 195,016   |   |                  |  | 190,823   |                  |  |  | 5,890  |  
|Finished goods                        |  |                  | 52,615    |   |                  |  | 54,190    |                  |  |  | 1,672  |  
|                                      |  |                  |           |   |                  |  |           |                  |  |  |        |  
|                                      |  |                  | 1,762,727 |   |                  |  | 2,032,823 |                  |  |  | 62,741 |  
|Less: Allowance for impairment losses |  |                  | (95,036   | ) |                  |  | (154,841  | )                |  |  | (4,779 | )
|                                      |  |                  |           |   |                  |  |           |                  |  |  |        |  
|                                      |  |                  | 1,667,691 |   |                  |  | 1,877,982 |                  |  |  | 57,962 |  
|                                      |  |                  |           |   |                  |  |           |                  |  |  |        |  

The cost of inventories recognized as an expense for the period:



|                                                        |  |        |            |  |        |  |            |        |  |  |         | 
|------------------------------------------------------- |  | ------ | ---------- |  | ------ |  | ---------- | ------ |  |  | ------- | 
|                                                        |  | 2015   |            |  | 2016   |  |            | 2016   | 
|                                                        |  | NT$000 |            |  | NT$000 |  |            | US$000 | 
|Cost of revenue                                         |  |        | 14,648,710 |  |        |  | 14,670,711 |        |  |  | 452,800 | 
|Loss on abandonment                                     |  |        | 27,751     |  |        |  | 7,098      |        |  |  | 219     | 
|Allowance for inventory valuation and obsolescence loss |  |        | 9,053      |  |        |  | 67,663     |        |  |  | 2,088   | 
|                                                        |  |        |            |  |        |  |            |        |  |  |         | 
|                                                        |  |        | 14,685,514 |  |        |  | 14,745,472 |        |  |  | 455,107 | 
|                                                        |  |        |            |  |        |  |            |        |  |  |         | 

Raw materials are utilized throughout the course of provision of semiconductor bumping, assembly and testing
services. Items used for manufacturing and product sales are insignificant.

As of December 31, 2015 and 2016, no inventories were
pledged.





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ChipMOS TECHNOLOGIES INC. AND SUBSIDIARIES

Notes to the Consolidated Financial Statements (Continued)

December 31, 2014, 2015 and 2016







|17. | Accounts and notes and other receivables
|--- | ----------------------------------------



|                                      |  |                  |           |  |                  |  |           |                  |  |  |         |  
|------------------------------------- |  | ---------------- | --------- |  | ---------------- |  | --------- | ---------------- |  |  | ------- | -
|                                      |  | December 31,2015 |           |  | December 31,2016 |  |           | December 31,2016 | 
|                                      |  | NT$000           |           |  | NT$000           |  |           | US$000           | 
|Accounts receivable                   |  |                  | 3,889,114 |  |                  |  | 4,138,580 |                  |  |  | 127,734 |  
|Notes receivable                      |  |                  | 1,394     |  |                  |  | 1,753     |                  |  |  | 54      |  
|Less: Allowance for impairment losses |  |                  |          |  |                  |  | (87       | )                |  |  | (3      | )
|                                      |  |                  |           |  |                  |  |           |                  |  |  |         |  
|                                      |  |                  | 3,890,508 |  |                  |  | 4,140,246 |                  |  |  | 127,785 |  
|                                      |  |                  |           |  |                  |  |           |                  |  |  |         |  
|Other receivables                     |  |                  | 137,013   |  |                  |  | 57,411    |                  |  |  | 1,772   |  
|Less: Allowance for impairment losses |  |                  |          |  |                  |  |          |                  |  |  |        |  
|                                      |  |                  |           |  |                  |  |           |                  |  |  |         |  
|                                      |  |                  | 137,013   |  |                  |  | 57,411    |                  |  |  | 1,772   |  
|                                      |  |                  |           |  |                  |  |           |                  |  |  |         |  
|                                      |  |                  | 4,027,521 |  |                  |  | 4,197,657 |                  |  |  | 129,557 |  
|                                      |  |                  |           |  |                  |  |           |                  |  |  |         |  

As of December 31, 2015 and 2016, no accounts andnotes and other receivables were pledged.

The movements in allowance for impairment of accounts and other receivables during the years are as follows:



|                             |  |                     |        |   |                   |  |      |  
|---------------------------- |  | ------------------- | ------ | - | ----------------- |  | ---- | -
|                             |  | Accounts receivable |        |   | Other receivables | 
|                             |  | NT$000              |        |   | NT$000            | 
|January 1, 2015              |  |                     | 7,311  |   |                   |  | 477  |  
|Amount written off           |  |                     | (7,311 | ) |                   |  | (477 | )
|                             |  |                     |        |   |                   |  |      |  
|December 31, 2015            |  |                     |       |   |                   |  |     |  
|Impairment losses recognized |  |                     | 87     |   |                   |  |     |  
|                             |  |                     |        |   |                   |  |      |  
|December 31, 2016            |  |                     | 87     |   |                   |  |     |  
|                             |  |                     |        |   |                   |  |      |  
|December 31, 2016 (US$000)   |  |                     | 3      |   |                   |  |     |  
|                             |  |                     |        |   |                   |  |      |  

Receivables that were neither past due nor impaired relate to a large number of diversified customers for whom
there was no recent history of default.

Receivables that were past due but not impaired relate to a number of independent customers that
have a good track record with the Group. Based on past experience, the management of the Company are of the opinion that no provision for impairment is necessary in respect of these balances as there has not been a significant change in credit
quality and the balances are still considered fully recoverable.

The individually impaired receivables related to customers that were in
financial difficulties or other factors, e.g. the customers were in default or delinquency in interest or principal payments and only a portion of the receivables is expected to be recovered.

The Groups accounts receivable that were neither past due nor impaired were fully perform in line with the credit standards prescribed
based on counterparties industrial characteristics, scale of business and profitability.





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##### Table of Contents

ChipMOS TECHNOLOGIES INC. AND SUBSIDIARIES

Notes to the Consolidated Financial Statements (Continued)

December 31, 2014, 2015 and 2016







|17. | Accounts and notes and other receivables (continued)
|--- | ----------------------------------------------------



Ageing of accounts receivable which are past due but not impaired is as follows:



|             |  |                  |        |  |                  |  |        |                  |  |  |     | 
|------------ |  | ---------------- | ------ |  | ---------------- |  | ------ | ---------------- |  |  | --- | 
|             |  | December 31,2015 |        |  | December 31,2016 |  |        | December 31,2016 | 
|             |  | NT$000           |        |  | NT$000           |  |        | US$000           | 
|£ 1 month    |  |                  | 37,785 |  |                  |  | 24,141 |                  |  |  | 745 | 
|1  2 months |  |                  | 207    |  |                  |  | 728    |                  |  |  | 22  | 
|2  3 months |  |                  | 1      |  |                  |  | 183    |                  |  |  | 6   | 
|3  4 months |  |                  |       |  |                  |  | 245    |                  |  |  | 8   | 
|> 4 months   |  |                  | 337    |  |                  |  | 2,013  |                  |  |  | 62  | 
|             |  |                  |        |  |                  |  |        |                  |  |  |     | 
|             |  |                  | 38,330 |  |                  |  | 27,310 |                  |  |  | 843 | 
|             |  |                  |        |  |                  |  |        |                  |  |  |     | 



|18. | Cash and cash equivalents and short-term deposits
|--- | -------------------------------------------------



|                                                                                                       |  |                  |            |   |                  |  |           |                  |  |  |         |  
|------------------------------------------------------------------------------------------------------ |  | ---------------- | ---------- | - | ---------------- |  | --------- | ---------------- |  |  | ------- | -
|                                                                                                       |  | December 31,2015 |            |   | December 31,2016 |  |           | December 31,2016 | 
|                                                                                                       |  | NT$000           |            |   | NT$000           |  |           | US$000           | 
|Short-term deposits                                                                                    |  |                  | 5,966,527  |   |                  |  | 3,927,816 |                  |  |  | 121,229 |  
|Cash                                                                                                   |  |                  | 563        |   |                  |  | 525       |                  |  |  | 16      |  
|Cash at banks                                                                                          |  |                  | 6,245,507  |   |                  |  | 4,106,384 |                  |  |  | 126,740 |  
|                                                                                                       |  |                  |            |   |                  |  |           |                  |  |  |         |  
|                                                                                                       |  |                  | 12,212,597 |   |                  |  | 8,034,725 |                  |  |  | 247,985 |  
|Less:                                                                                                  |  |                  |            |   |                  |  |           |                  |  |  |         |  
|Short-term deposits with a maturity date of more than three months                                     |  |                  |           |   |                  |  | (1,600    | )                |  |  | (49     | )
|Unpledged short-term deposits                                                                          |  |                  | (20,036    | ) |                  |  | (1,185    | )                |  |  | (37     | )
|Restricted short-term deposits and cash at bank (pledged) (Note 34)                                    |  |                  | (65,211    | ) |                  |  | (70,677   | )                |  |  | (2,181  | )
|                                                                                                       |  |                  |            |   |                  |  |           |                  |  |  |         |  
|                                                                                                       |  |                  | (85,247    | ) |                  |  | (73,462   | )                |  |  | (2,267  | )
|                                                                                                       |  |                  |            |   |                  |  |           |                  |  |  |         |  
|Cash and cash equivalents                                                                              |  |                  | 12,127,350 |   |                  |  | 7,961,263 |                  |  |  | 245,718 |  
|Less: Cash and cash equivalents and short-term deposits classified as non-current assets held for sale |  |                  |           |   |                  |  | (389,897  | )                |  |  | (12,034 | )
|                                                                                                       |  |                  |            |   |                  |  |           |                  |  |  |         |  
|                                                                                                       |  |                  | 12,127,350 |   |                  |  | 7,571,366 |                  |  |  | 233,684 |  
|                                                                                                       |  |                  |            |   |                  |  |           |                  |  |  |         |  

The cash and cash equivalents of ChipMOS Shanghai as of December 31, 2016, amounted to
NT$389,897 thousand (US$12,034 thousand) is classified and shown as non-current assets held for sale. Information is provided in Note 19.

Cash at banks earns interest at floating rates based on daily bank deposit rates. Short-term deposits are made for varying periods of between
31 days and 12 months, depending on the immediate cash requirements of the Group, and earn interest at the respective short-term deposit rates.





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ChipMOS TECHNOLOGIES INC. AND SUBSIDIARIES

Notes to the Consolidated Financial Statements (Continued)

December 31, 2014, 2015 and 2016







|19. | Non-current assets held for sale and discontinued operations
|--- | ------------------------------------------------------------



| | a) | The assets and liabilities related to ChipMOS Shanghai have been classified as non-current held for sale and liabilities directly related to
non-current assets held for sale and presented as discontinued operations for meeting the definition of discontinued operations following the resolution of the Companys Board of Directors on
November 30, 2016 to sell 54.98% of ChipMOS Shanghais equity interest. As of December 31, 2016, the Company had not transferred equity interest to the transaction counterparts. The transaction was completed on March 24, 2017.
Please refer to Note 1 for more details.
| | -- | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------



| | b) | The cash flow information of the discontinued operations is as follows:
| | -- | -----------------------------------------------------------------------



|                                                       |  |        |          |   |        |  |           |        |  |  |            |   |  |  |         |  
|------------------------------------------------------ |  | ------ | -------- | - | ------ |  | --------- | ------ |  |  | ---------- | - |  |  | ------- | -
|                                                       |  | 2014   |          |   | 2015   |  |           | 2016   |  |  | 2016       |  
|                                                       |  | NT$000 |          |   | NT$000 |  |           | NT$000 |  |  | US$000     |  
|Net cash generated from (used in) operating activities |  |        | 187,075  |   |        |  | 1,072,628 |        |  |  | (1,109,029 | ) |  |  | (34,229 | )
|Net cash used in investing activities                  |  |        | (110,800 | ) |        |  | (205,292  | )      |  |  | (1,331,564 | ) |  |  | (41,098 | )
|Net cash generated from (used in) financing activities |  |        | 168,524  |   |        |  | (91,234   | )      |  |  | 1,463,664  |   |  |  | 45,175  |  
|Effect of foreign exchange rate changes                |  |        | 25,358   |   |        |  | (18,636   | )      |  |  | (61,336    | ) |  |  | (1,893  | )
|                                                       |  |        |          |   |        |  |           |        |  |  |            |   |  |  |         |  
|Net increase (decrease) in cash and cash equivalents   |  |        | 270,157  |   |        |  | 757,466   |        |  |  | (1,038,265 | ) |  |  | (32,045 | )
|                                                       |  |        |          |   |        |  |           |        |  |  |            |   |  |  |         |  



| | c) | Assets of disposal group classified as non-current assets held for sale:
| | -- | ------------------------------------------------------------------------



|                                   |  |              |           |  |              |  |        | 
|---------------------------------- |  | ------------ | --------- |  | ------------ |  | ------ | 
|                                   |  | December 31, |           |  | December 31, | 
|                                   |  | 2016         |           |  | 2016         | 
|                                   |  | NT$000       |           |  | US$000       | 
|Cash and cash equivalents          |  |              | 389,897   |  |              |  | 12,034 | 
|Accounts receivable                |  |              | 230,523   |  |              |  | 7,115  | 
|Other receivables                  |  |              | 202,909   |  |              |  | 6,263  | 
|Inventories                        |  |              | 136,842   |  |              |  | 4,224  | 
|Other current financial assets     |  |              | 17,136    |  |              |  | 529    | 
|Property, plant and equipment      |  |              | 2,033,968 |  |              |  | 62,777 | 
|Refundable deposits                |  |              | 113       |  |              |  | 3      | 
|Prepaid rent  non-current portion |  |              | 82,291    |  |              |  | 2,540  | 
|Other non-current assets           |  |              | 11,392    |  |              |  | 351    | 
|                                   |  |              |           |  |              |  |        | 
|                                   |  |              | 3,105,071 |  |              |  | 95,836 | 
|                                   |  |              |           |  |              |  |        | 





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##### Table of Contents

ChipMOS TECHNOLOGIES INC. AND SUBSIDIARIES

Notes to the Consolidated Financial Statements (Continued)

December 31, 2014, 2015 and 2016







|19. | Non-current assets held for sale and discontinued operations (continued)
|--- | ------------------------------------------------------------------------



| | d) | Liabilities of disposal group classified as liabilities directly related to non-current assets held for sale :
| | -- | --------------------------------------------------------------------------------------------------------------



|                             |  |              |         |  |              |  |        | 
|---------------------------- |  | ------------ | ------- |  | ------------ |  | ------ | 
|                             |  | December 31, |         |  | December 31, | 
|                             |  | 2016         |         |  | 2016         | 
|                             |  | NT$000       |         |  | US$000       | 
|Accounts payable             |  |              | 98,973  |  |              |  | 3,055  | 
|Other payables               |  |              | 177,178 |  |              |  | 5,468  | 
|Receipts in advance          |  |              | 6,687   |  |              |  | 206    | 
|Bank loans  current portion |  |              | 7,614   |  |              |  | 235    | 
|Lease payable  current      |  |              | 27,702  |  |              |  | 855    | 
|Other current liabilities    |  |              | 34,276  |  |              |  | 1,058  | 
|Bank loans  non-current     |  |              | 106,461 |  |              |  | 3,286  | 
|Lease payable  non-current  |  |              | 27,702  |  |              |  | 855    | 
|Long-term deferred revenue   |  |              | 100,395 |  |              |  | 3,099  | 
|Guarantee deposits           |  |              | 651     |  |              |  | 20     | 
|                             |  |              |         |  |              |  |        | 
|                             |  |              | 587,639 |  |              |  | 18,137 | 
|                             |  |              |         |  |              |  |        | 



| | e) | Equity of disposal group classified as amounts recognized in other comprehensive income and accumulated in equity relating to non-current assets held for sale :
| | -- | ----------------------------------------------------------------------------------------------------------------------------------------------------------------



|                                     |  |              |         |  |              |  |       | 
|------------------------------------ |  | ------------ | ------- |  | ------------ |  | ----- | 
|                                     |  | December 31, |         |  | December 31, | 
|                                     |  | 2016         |         |  | 2016         | 
|                                     |  | NT$000       |         |  | US$000       | 
|Foreign currency translation reserve |  |              | 287,645 |  |              |  | 8,878 | 
|                                     |  |              |         |  |              |  |       | 



| | f) | Cumulative income or expense recognized in other comprehensive income relating to disposal group classified as held for sale:
| | -- | -----------------------------------------------------------------------------------------------------------------------------



|                                     |  |        |        |  |        |  |         |        |  |  |          |   |  |  |        |  
|------------------------------------ |  | ------ | ------ |  | ------ |  | ------- | ------ |  |  | -------- | - |  |  | ------ | -
|                                     |  | 2014   |        |  | 2015   |  |         | 2016   |  |  | 2016     |  
|                                     |  | NT$000 |        |  | NT$000 |  |         | NT$000 |  |  | US$000   |  
|Foreign currency translation reserve |  |        | 61,083 |  |        |  | (27,893 | )      |  |  | (195,972 | ) |  |  | (6,049 | )
|                                     |  |        |        |  |        |  |         |        |  |  |          |   |  |  |        |  



| | g) | The results of discontinued operations are as follows:
| | -- | ------------------------------------------------------



|                                                             |  |        |            |   |        |  |            |        |  |  |           |   |  |  |         |  
|------------------------------------------------------------ |  | ------ | ---------- | - | ------ |  | ---------- | ------ |  |  | --------- | - |  |  | ------- | -
|                                                             |  | 2014   |            |   | 2015   |  |            | 2016   |  |  | 2016      |  
|                                                             |  | NT$000 |            |   | NT$000 |  |            | NT$000 |  |  | US$000    |  
|Revenue                                                      |  |        | 1,176,172  |   |        |  | 1,032,302  |        |  |  | 1,005,166 |   |  |  | 31,024  |  
|Cost of revenue                                              |  |        | (1,065,748 | ) |        |  | (1,050,075 | )      |  |  | (986,004  | ) |  |  | (30,432 | )
|Operating expenses                                           |  |        | (48,281    | ) |        |  | (51,910    | )      |  |  | (179,178  | ) |  |  | (5,530  | )
|Other operating income (expenses), net                       |  |        | 9,000      |   |        |  | 8,469      |        |  |  | 13,753    |   |  |  | 424     |  
|Other non-operating income (expenses), net                   |  |        | 11,046     |   |        |  | 26,981     |        |  |  | 24,158    |   |  |  | 745     |  
|                                                             |  |        |            |   |        |  |            |        |  |  |           |   |  |  |         |  
|Profit (loss) from discontinued operations before income tax |  |        | 82,189     |   |        |  | (34,233    | )      |  |  | (122,105  | ) |  |  | (3,769  | )
|Income tax                                                   |  |        |           |   |        |  |           |        |  |  |          |   |  |  |        |  
|                                                             |  |        |            |   |        |  |            |        |  |  |           |   |  |  |         |  
|Profit (loss) from discontinued operations                   |  |        | 82,189     |   |        |  | (34,233    | )      |  |  | (122,105  | ) |  |  | (3,769  | )
|                                                             |  |        |            |   |        |  |            |        |  |  |           |   |  |  |         |  

Discontinued operations revenue is from the segments of testing and assembly.





F-49



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##### Table of Contents

ChipMOS TECHNOLOGIES INC. AND SUBSIDIARIES

Notes to the Consolidated Financial Statements (Continued)

December 31, 2014, 2015 and 2016







|19. | Non-current assets held for sale and discontinued operations (continued)
|--- | ------------------------------------------------------------------------





| | h) | According to IFRS 5 Non-current Assets Held for Sale and Discontinued Operations, ChipMOS Shanghai met the definition of discontinued operations. When the Company was
preparing the statements of comprehensive income for the years ended December 31, 2014, 2015 and 2016, it recognized profit (loss) from discontinued operations as a separate amount of NT$82,189 thousand, (NT$34,233) thousand
and (NT$122,105) thousand ((US$3,769 thousand)), respectively. The effect of profit (loss) from discontinued operations on each item of the statements of comprehensive income for the years ended December 31, 2014, 2015 and 2016 was
as follow:
| | -- | ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------



|                                                             |  |                               |             |   |                                  |  |            |  
|------------------------------------------------------------ |  | ----------------------------- | ----------- | - | -------------------------------- |  | ---------- | -
|                                                             |  | 2014                          |            
|                                                             |  | Consolidated incomestatements |             |   | Results ofdiscontinuedoperations | 
|                                                             |  | NT$000                        |             |   | NT$000                           | 
|Revenue                                                      |  |                               | 20,828,959  |   |                                  |  | 1,176,172  |  
|Cost of revenue                                              |  |                               | (15,716,480 | ) |                                  |  | (1,065,748 | )
|                                                             |  |                               |             |   |                                  |  |            |  
|Gross profit                                                 |  |                               | 5,112,479   |   |                                  |  | 110,424    |  
|Operating expenses                                           |  |                               | (1,487,926  | ) |                                  |  | (48,281    | )
|Other operating income (expenses), net                       |  |                               | 26,258      |   |                                  |  | 9,000      |  
|                                                             |  |                               |             |   |                                  |  |            |  
|Operating profit                                             |  |                               | 3,650,811   |   |                                  |  | 71,143     |  
|Finance costs and other non-operating income (expenses),
net |  |                               | 1,052,103   |   |                                  |  | 11,046     |  
|                                                             |  |                               |             |   |                                  |  |            |  
|Profit before income tax                                     |  |                               | 4,702,914   |   |                                  |  | 82,189     |  
|Income tax                                                   |  |                               | (1,036,243  | ) |                                  |  |           |  
|                                                             |  |                               |             |   |                                  |  |            |  
|Profit from continuing operations                            |  |                               | 3,666,671   |   |                                  |  |            |  
|Profit from discontinued operations                          |  |                               | 82,189      |   |                                  |  | 82,189     |  
|                                                             |  |                               |             |   |                                  |  |            |  
|Profit for the year                                          |  |                               | 3,748,860   |   |                                  |  |            |  
|                                                             |  |                               |             |   |                                  |  |            |  
|                                                             | 
|                                                             |  | 2015                          |            
|                                                             |  | Consolidated incomestatements |             |   | Results ofdiscontinuedoperations | 
|                                                             |  | NT$000                        |             |   | NT$000                           | 
|Revenue                                                      |  |                               | 18,837,089  |   |                                  |  | 1,032,302  |  
|Cost of revenue                                              |  |                               | (14,685,514 | ) |                                  |  | (1,050,075 | )
|                                                             |  |                               |             |   |                                  |  |            |  
|Gross profit                                                 |  |                               | 4,151,575   |   |                                  |  | (17,773    | )
|Operating expenses                                           |  |                               | (1,608,199  | ) |                                  |  | (51,910    | )
|Other operating income (expenses), net                       |  |                               | 105,051     |   |                                  |  | 8,469      |  
|                                                             |  |                               |             |   |                                  |  |            |  
|Operating profit                                             |  |                               | 2,648,427   |   |                                  |  | (61,214    | )
|Finance costs and other non-operating income (expenses),
net |  |                               | 197,629     |   |                                  |  | 26,981     |  
|                                                             |  |                               |             |   |                                  |  |            |  
|Profit before income tax                                     |  |                               | 2,846,056   |   |                                  |  | (34,233    | )
|Income tax                                                   |  |                               | (935,855    | ) |                                  |  |           |  
|                                                             |  |                               |             |   |                                  |  |            |  
|Profit from continuing operations                            |  |                               | 1,910,201   |   |                                  |  |            |  
|Loss from discontinued operations                            |  |                               | (34,233     | ) |                                  |  | (34,233    | )
|                                                             |  |                               |             |   |                                  |  |            |  
|Profit for the year                                          |  |                               | 1,875,968   |   |                                  |  |            |  
|                                                             |  |                               |             |   |                                  |  |            |  





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##### Table of Contents

ChipMOS TECHNOLOGIES INC. AND SUBSIDIARIES

Notes to the Consolidated Financial Statements (Continued)

December 31, 2014, 2015 and 2016







|19. | Non-current assets held for sale and discontinued operations (continued)
|--- | ------------------------------------------------------------------------





|                                                             |  |                              |             |   |                              |  |          |                                  |  |  |                                  |   |  |  |         |  
|------------------------------------------------------------ |  | ---------------------------- | ----------- | - | ---------------------------- |  | -------- | -------------------------------- |  |  | -------------------------------- | - |  |  | ------- | -
|                                                             |  | 2016                         |            
|                                                             |  | Consolidatedincomestatements |             |   | Consolidatedincomestatements |  |          | Results ofdiscontinuedoperations |  |  | Results ofdiscontinuedoperations |  
|                                                             |  | NT$000                       |             |   | US$000                       |  |          | NT$000                           |  |  | US$000                           |  
|Revenue                                                      |  |                              | 18,387,593  |   |                              |  | 567,518  |                                  |  |  | 1,005,166                        |   |  |  | 31,024  |  
|Cost of revenue                                              |  |                              | (14,745,472 | ) |                              |  | (455,107 | )                                |  |  | (986,004                         | ) |  |  | (30,432 | )
|                                                             |  |                              |             |   |                              |  |          |                                  |  |  |                                  |   |  |  |         |  
|Gross profit                                                 |  |                              | 3,642,121   |   |                              |  | 112,411  |                                  |  |  | 19,162                           |   |  |  | 592     |  
|Operating expenses                                           |  |                              | (1,733,852  | ) |                              |  | (53,514  | )                                |  |  | (179,178                         | ) |  |  | (5,530  | )
|Other operating income (expenses), net                       |  |                              | 90,306      |   |                              |  | 2,787    |                                  |  |  | 13,753                           |   |  |  | 424     |  
|                                                             |  |                              |             |   |                              |  |          |                                  |  |  |                                  |   |  |  |         |  
|Operating profit                                             |  |                              | 1,998,575   |   |                              |  | 61,684   |                                  |  |  | (146,263                         | ) |  |  | (4,514  | )
|Finance costs and other non-operating income (expenses),
net |  |                              | (298,140    | ) |                              |  | (9,201   | )                                |  |  | 24,158                           |   |  |  | 745     |  
|                                                             |  |                              |             |   |                              |  |          |                                  |  |  |                                  |   |  |  |         |  
|Profit before income tax                                     |  |                              | 1,700,435   |   |                              |  | 52,483   |                                  |  |  | (122,105                         | ) |  |  | (3,769  | )
|Income tax                                                   |  |                              | (177,120    | ) |                              |  | (5,467   | )                                |  |  |                                 |   |  |  |        |  
|                                                             |  |                              |             |   |                              |  |          |                                  |  |  |                                  |   |  |  |         |  
|Profit from continuing operations                            |  |                              | 1,523,315   |   |                              |  | 47,016   |                                  |  |  |                                  |   |  |  |         |  
|Loss from discontinued operations                            |  |                              | (122,105    | ) |                              |  | (3,769   | )                                |  |  | (122,105                         | ) |  |  | (3,769  | )
|                                                             |  |                              |             |   |                              |  |          |                                  |  |  |                                  |   |  |  |         |  
|                                                             |  |                              |             |   |                              |  |          |                                  |  |  |                                  |   |  |  |         |  
|Profit for the year                                          |  |                              | 1,401,210   |   |                              |  | 43,247   |                                  |  |  |                                  |   |  |  |         |  
|                                                             |  |                              |             |   |                              |  |          |                                  |  |  |                                  |   |  |  |         |  



|20. | Issued capital
|--- | --------------



|                                      |  |                  |           |  |                  |  |           |                  |  |  |                     |  
|------------------------------------- |  | ---------------- | --------- |  | ---------------- |  | --------- | ---------------- |  |  | ------------------- | -
|                                      |  | December 31,2014 |           |  | December 31,2015 |  |           | December 31,2016 | 
|                                      |  | in thousands     |           |  | in thousands     |  |           | in thousands     | 
|Authorized shares                     |  |                  |           |  |                  |  |           |                  |  |  |                     |  
|Ordinary shares                       |  |                  | 970,000   |  |                  |  | 970,000   |                  |  |  | 1,450,000           |  
|                                      |  |                  |          
|                                      |  | December 31,2014 |           |  | December 31,2015 |  |           | December 31,2016 | 
|                                      |  | in thousands     |           |  | in thousands     |  |           | in thousands     | 
|Ordinary shares issued and fully paid |  |                  |           |  |                  |  |           |                  |  |  |                     |  
|Ordinary shares                       |  |                  | 864,619   |  |                  |  | 896,206   |                  |  |  | 886,966             |  
|Issued capital (NT$000)               |  |                  | 8,646,193 |  |                  |  | 8,962,066 |                  |  |  | 8,869,663           |  
|                                      |  |                  |           |  |                  |  |           |                  |  |  | (US$273,755thousand | )

The par value of ordinary shares issued was NT$10 per share.

The movement of ordinary shares issued is set out below:



|                                                                      |  |              |         |  |              |  |         |              |  |  |          |  
|--------------------------------------------------------------------- |  | ------------ | ------- |  | ------------ |  | ------- | ------------ |  |  | -------- | -
|                                                                      |  | 2014         |         |  | 2015         |  |         | 2016         | 
|                                                                      |  | in thousands |         |  | in thousands |  |         | in thousands | 
|January 1                                                             |  |              | 842,855 |  |              |  | 864,619 |              |  |  | 896,206  |  
|Issuance of shares                                                    |  |              | 21,764  |  |              |  |        |              |  |  |         |  
|Transactions with non-controlling interests (Note
30)                 |  |              |        |  |              |  | 35,932  |              |  |  |         |  
|Restricted shares                                                     |  |              |        |  |              |  | 15,752  |              |  |  | 435      |  
|Unearned restricted shares - cancelled                                |  |              |        |  |              |  | (97     | )            |  |  |         |  
|Share cancellation                                                    |  |              |        |  |              |  | (20,000 | )            |  |  |         |  
|Issuance of ordinary shares for capital reorganization (Note 31)      |  |              |        |  |              |  |        |              |  |  | 512,405  |  
|Cancellation of ordinary shares from capital reorganization (Note 31) |  |              |        |  |              |  |        |              |  |  | (522,080 | )
|                                                                      |  |              |         |  |              |  |         |              |  |  |          |  
|December 31                                                           |  |              | 864,619 |  |              |  | 896,206 |              |  |  | 886,966  |  
|                                                                      |  |              |         |  |              |  |         |              |  |  |          |  





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##### Table of Contents

ChipMOS TECHNOLOGIES INC. AND SUBSIDIARIES

Notes to the Consolidated Financial Statements (Continued)

December 31, 2014, 2015 and 2016







|20. | Issued capital (continued)
|--- | --------------------------



On June 17, 2015, ThaiLin merged with the Company, with the latter being the surviving
entity and issued 35,932 thousand ordinary shares in order to exchange for the shares of ThaiLin. Information about the merge is provided in Note 30.

The Board of Directors approved the issuance of restricted shares on July 14, 2015. (Refer to Note 37. Other than the vesting conditions,
the rights and obligations of these shares issued are the same as those of other issued ordinary shares.

On August 10, 2015, the
Board of Directors of the Company approved a share repurchase program for repurchase of ordinary shares by the Company of up to NT$826,800 thousand. As of December 31, 2015, 20,000 thousand shares were repurchased and recorded as
treasury stock and all the repurchased shares were retired and cancelled.

On February 4, 2016 and May 12, 2016, the Board of
Directors of the Company approved the share repurchase programs for repurchase of ordinary shares by the Company of up to NT$600 million and NT$600 million, respectively. As of December 31, 2016, 30,000 thousand shares were
repurchased and recorded as treasury stock.

On October 31, 2016, the Companys former parent company, ChipMOS Bermuda was merged
with and into the Company, with the latter being the surviving company. Please refer to Note 31. Pursuant to the Merger, the Company issued 25,620,267 units of ADSs, which have been listed on the NASDAQ Global Select Market, and each ADS represents
20 ordinary shares of the Company. As of December 31, 2016, the outstanding ADSs were 24,155,087 units representing 483,102 thousand ordinary shares of the Company. Major terms and conditions of the ADSs are summarized as follows:



| | a) | Voting rights:
| | -- | --------------

ADSs holders will have no rights to vote directly in shareholders
meetings with respect to the deposited shares. The depository bank shall vote on behalf of the ADSs holders or provide voting instruction to the designated person of the Company. The depository bank shall vote in the manner as instructed from the
ADSs holders.



| | b) | Distribution of dividends:
| | -- | --------------------------

ADSs holders are deemed to have the same rights as holders of
ordinary shares with respect to the distribution of dividends.



|21. | Capital surplus and retained earnings
|--- | -------------------------------------

The reconciliation between the opening and
closing balances of each component of the Groups consolidated equity is set out in the consolidated statements of changes in equity.



| | a) | Capital surplus
| | -- | ---------------

Details of the Groups capital surplus are set out below:



|                     |  |                  |           |  |                  |  |           |                  |  |  |                  |  |  |  |         | 
|-------------------- |  | ---------------- | --------- |  | ---------------- |  | --------- | ---------------- |  |  | ---------------- |  |  |  | ------- | 
|                     |  | December 31,2014 |           |  | December 31,2015 |  |           | December 31,2016 |  |  | December 31,2016 | 
|                     |  | NT$000           |           |  | NT$000           |  |           | NT$000           |  |  | US$000           | 
|Share premium        |  |                  | 1,441,096 |  |                  |  | 2,501,767 |                  |  |  | 6,473,471        |  |  |  | 199,799 | 
|Share-based payment  |  |                  | 798,760   |  |                  |  | 849,482   |                  |  |  |                 |  |  |  |        | 
|Restricted shares    |  |                  |          |  |                  |  | 397,296   |                  |  |  | 408,051          |  |  |  | 12,594  | 
|Business combination |  |                  | 26,189    |  |                  |  |          |                  |  |  |                 |  |  |  |        | 
|Others               |  |                  | 6,793     |  |                  |  | 7,304     |                  |  |  | 7,304            |  |  |  | 225     | 
|                     |  |                  |           |  |                  |  |           |                  |  |  |                  |  |  |  |         | 
|                     |  |                  | 2,272,838 |  |                  |  | 3,755,849 |                  |  |  | 6,888,826        |  |  |  | 212,618 | 
|                     |  |                  |           |  |                  |  |           |                  |  |  |                  |  |  |  |         | 





F-52



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##### Table of Contents

ChipMOS TECHNOLOGIES INC. AND SUBSIDIARIES

Notes to the Consolidated Financial Statements (Continued)

December 31, 2014, 2015 and 2016







|21. | Capital surplus and retained earnings (continued)
|--- | -------------------------------------------------



| | a) | Capital surplus (continued)
| | -- | ---------------------------



Pursuant to the ROC Company Act, capital surplus arising from
paid-in capital in excess of par value on issuance of ordinary shares and donations can be used to cover accumulated deficit or to issue new stocks or cash to shareholders in proportion to their share
ownership, provided that the Company has no accumulated deficit. Further, the ROC Securities and Exchange Act requires that the amount of capital surplus to be capitalized mentioned above should not exceed 10% of the
paid-in capital each year. Capital surplus should not be used to cover accumulated deficit unless the legal reserve is insufficient.



| | b) | Retained earnings
| | -- | -----------------



| | (a) | According to the Companys Articles of Incorporation, current years earnings before tax, if any, shall be distributed in the following order:
| | --- | ----------------------------------------------------------------------------------------------------------------------------------------------

i) Pay all taxes and duties;

ii) Offset prior years operating losses, if any;

iii) Set aside 10% of the remaining amount after deducting i) and ii) as legal reserve;

iv) After items i), ii) and iii) were deducted, the remaining amount may be distributed as shareholders dividend.



| | (b) | The Companys dividend policy is summarized below: as the Company operates in a volatile business environment, the dividend is distributed taking into consideration the Companys financial structure, operating
results and future expansion plans. The earnings distribution of the Company may be made by way of cash dividend or stock dividend; provided that cash dividends shall account for at least 10% of the total dividends distributed. The earnings
distribution will be proposed by the Board of Directors and approved at the shareholders meeting.
| | --- | ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------



| | (c) | Legal reserve can only be used to offset deficits or increase capital in issuing ordinary shares or in distribution cash. The amount of legal reserve that may be used to increase capital or distribute cash shall be
limited to the portion of the reserve balance exceeding 25% of the capital stock.
| | --- | --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------



| | (d) | In accordance with the ROC Securities and Future Bureau regulations, in addition to legal reserve, the Company should set aside a special reserve in an amount equal to the net change in the reduction of prior
years shareholders equity, resulting from adjustments. Such special reserve is not available for dividend distribution. In the subsequent year(s), if the year-end balances no longer had a net
reduction in the shareholders equity, the special reserve previously set aside will then be available for distribution.
| | --- | -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------



| | (e) | The distribution of 2013, 2014 and 2015 dividends were resolved at the shareholders meetings on June 12, 2014 and June 3, 2015 and May 31, 2016, respectively. Details are summarized below:
| | --- | ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------



|              |  |        |           |  |                   |  |      |        |  |  |                   |  |  |        |      |  |                   |  |           |  |  |  |      | 
|------------- |  | ------ | --------- |  | ----------------- |  | ---- | ------ |  |  | ----------------- |  |  | ------ | ---- |  | ----------------- |  | --------- |  |  |  | ---- | 
|              |  | 2013   |           |  | 2014              |  |      | 2015   | 
|              |  | Amount |           |  | Dividendper share |  |      | Amount |  |  | Dividendper share |  |  | Amount |      |  | Dividendper share | 
|              |  | NT$000 |           |  | NT$               |  |      | NT$000 |  |  | NT$               |  |  | NT$000 |      |  | NT$               | 
|Legal reserve |  |        | 232,325   |  |                   |  |     |        |  |  | 331,863           |  |  |        |     |  |                   |  | 223,047   |  |  |  |     | 
|Cash dividend |  |        | 1,037,544 |  |                   |  | 1.20 |        |  |  | 1,999,225         |  |  |        | 2.22 |  |                   |  | 1,792,553 |  |  |  | 2.09 | 





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ChipMOS TECHNOLOGIES INC. AND SUBSIDIARIES

Notes to the Consolidated Financial Statements (Continued)

December 31, 2014, 2015 and 2016







|22. | Treasury stock
|--- | --------------

The movement of treasury stock is set out below:



|                             |  |                      |   |  |                |  |   |                      |  |  |                |   |  |                      |          |   |                |  |        |                |  |  |           |  |  |  |        | 
|---------------------------- |  | -------------------- | - |  | -------------- |  | - | -------------------- |  |  | -------------- | - |  | -------------------- | -------- | - | -------------- |  | ------ | -------------- |  |  | --------- |  |  |  | ------ | 
|                             |  | 2014                 |   |  | 2015           |  |   | 2016                 | 
|                             |  | Shares (inthousands) |   |  | Amount(NT$000) |  |   | Shares (inthousands) |  |  | Amount(NT$000) |   |  | Shares (inthousands) |          |   | Amount(NT$000) |  |        | Amount(US$000) | 
|January 1                    |  |                      |  |  |                |  |  |                      |  |  |               |   |  |                      |         |   |                |  |       |                |  |  |          |  |  |  |       | 
|Treasury stock (repurchased) |  |                      |  |  |                |  |  |                      |  |  | 20,000         |   |  |                      | 633,737  |   |                |  | 30,085 |                |  |  | 1,007,654 |  |  |  | 31,101 | 
|Treasury stock (cancelled)   |  |                      |  |  |                |  |  |                      |  |  | (20,000        | ) |  |                      | (633,737 | ) |                |  |       |                |  |  |          |  |  |  |       | 
|                             |  |                      |   |  |                |  |   |                      |  |  |                |   |  |                      |          |   |                |  |        |                |  |  |           |  |  |  |        | 
|December 31                  |  |                      |  |  |                |  |  |                      |  |  |               |   |  |                      |         |   |                |  | 30,085 |                |  |  | 1,007,654 |  |  |  | 31,101 | 
|                             |  |                      |   |  |                |  |   |                      |  |  |                |   |  |                      |          |   |                |  |        |                |  |  |           |  |  |  |        | 

Pursuant to the ROC Securities and Exchange Act, the number of shares bought back as treasury stock should not
exceed 10% of the number of the Companys issued and outstanding shares and the amount bought back should not exceed the sum of retained earnings, paid-in capital in excess of par value and realized
capital reserve.

Pursuant to the ROC Securities and Exchange Act, treasury stock should not be pledged as collateral and is not entitled
to dividends before it is reissued.



|23. | Long-term bank loans
|--- | --------------------



|                                                                                                                                                                                                       |  |                  |            |   |                  |  |            |                  |  |  |         |  
|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ |  | ---------------- | ---------- | - | ---------------- |  | ---------- | ---------------- |  |  | ------- | -
|                                                                                                                                                                                                       |  | December 31,2015 |            |   | December 31,2016 |  |            | December 31,2016 | 
|                                                                                                                                                                                                       |  | NT$000           |            |   | NT$000           |  |            | US$000           | 
|Syndicated bank loans collateralized by land, buildings and equipment, repayable semi-annually
from December 2017 to June 2021, interest rate at 1.7895% as of December 31, 2016                       |  |                  |           |   |                  |  | 8,300,000  |                  |  |  | 256,173 |  
|Syndicated bank loans, in revolving basis from November 2016 to June 2021, but reducing 20% of
credit line semi-annually from June 2019 to June 2021, interest rate at 1.7895% as of December 31, 2016 |  |                  |           |   |                  |  | 2,500,000  |                  |  |  | 77,161  |  
|Syndicated bank loans collateralized by land, buildings and equipment, repayable semi-annually
from January 2015 to July 2019, interest rate at 1.7474% as of December 31, 2015                        |  |                  | 4,560,000  |   |                  |  |           |                  |  |  |        |  
|Syndicated bank loans, repayable on July 1, 2019, interest rate at 1.8526% as of
December 31, 2015                                                                                                     |  |                  | 2,000,000  |   |                  |  |           |                  |  |  |        |  
|                                                                                                                                                                                                       |  |                  |            |   |                  |  |            |                  |  |  |         |  
|                                                                                                                                                                                                       |  |                  | 6,560,000  |   |                  |  | 10,800,000 |                  |  |  | 333,334 |  
|Less: Syndicated loan fee                                                                                                                                                                              |  |                  | (25,480    | ) |                  |  | (49,995    | )                |  |  | (1,543  | )
|Current portion (syndicated loan fee included)                                                                                                                                                         |  |                  | (1,548,688 | ) |                  |  | (1,062,285 | )                |  |  | (32,787 | )
|                                                                                                                                                                                                       |  |                  |            |   |                  |  |            |                  |  |  |         |  
|                                                                                                                                                                                                       |  |                  | 4,985,832  |   |                  |  | 9,687,720  |                  |  |  | 299,004 |  
|                                                                                                                                                                                                       |  |                  |            |   |                  |  |            |                  |  |  |         |  





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ChipMOS TECHNOLOGIES INC. AND SUBSIDIARIES

Notes to the Consolidated Financial Statements (Continued)

December 31, 2014, 2015 and 2016







|23. | Long-term bank loans (continued)
|--- | --------------------------------



On July 2, 2014, the Company obtained a syndicated loan from eleven banks in Taiwan in
the amount of NT$10,000 million with a term of five years. Funding from this syndicated loan is used to settle prior syndicated loan in 2011 and broaden the Companys working capital. Pursuant to the syndicated loan agreement, the Group
requires to maintain certain financial ratios including current ratio, interest protection multiples and debt to equity ratio during the loan periods. This syndicated loan was fully repaid in June 2016.

On May 16, 2016, the Company obtained a syndicated loan from ten banks in Taiwan in the amount of NT$13,200 million with a term of
five years. Funding from this syndicated loan was used to settle prior syndicated loan in 2014 and broaden the Companys working capital. Pursuant to the syndicated loan agreement, the Group requires to maintain certain financial ratios
including current ratio, interest protection multiples and debt to equity ratio during the loan periods.

As of December 31, 2015 and
2016, the Group was in compliance with the financial ratio requirements.

Unused credit lines of long-term bank loans are as follows:



|       |  |                  |           |  |                  |  |           | 
|------ |  | ---------------- | --------- |  | ---------------- |  | --------- | 
|       |  | December 31,2015 |           |  | December 31,2016 | 
|NT$000 |  |                  | 2,000,000 |  |                  |  | 2,400,000 | 

The Groups bank loans are mortgaged by certain land, buildings and equipment as collateral (Note 34).

Details of the repayment schedule in respect of the bank loans are as follows:



|                 |  |                  |           |  |                  |  |            |                  |  |  |         | 
|---------------- |  | ---------------- | --------- |  | ---------------- |  | ---------- | ---------------- |  |  | ------- | 
|                 |  | December 31,2015 |           |  | December 31,2016 |  |            | December 31,2016 | 
|                 |  | NT$000           |           |  | NT$000           |  |            | US$000           | 
|Less than 1 year |  |                  | 1,548,688 |  |                  |  | 1,062,285  |                  |  |  | 32,787  | 
|2 to 5 years     |  |                  | 4,985,832 |  |                  |  | 9,687,720  |                  |  |  | 299,004 | 
|                 |  |                  |           |  |                  |  |            |                  |  |  |         | 
|                 |  |                  | 6,534,520 |  |                  |  | 10,750,005 |                  |  |  | 331,791 | 
|                 |  |                  |           |  |                  |  |            |                  |  |  |         | 



|24. | Retirement benefit plans
|--- | ------------------------



| | a) | Defined benefit plans
| | -- | ---------------------



| | (a) | ChipMOS Taiwan and ThaiLin have a defined benefit pension plan in accordance with the Labor Standards Law, covering all regular employees service years prior to the enforcement of the Labor Pension Act on
July 1, 2005 and service years thereafter of employees who chose to continue to be subject to the pension mechanism under the Law. Under the defined benefit pension plan, two units are accrued for each year of service for the first 15 years and
one unit for each additional year thereafter, subject to a maximum of 45 units. Pension benefits are based on the number of units accrued and the average monthly salaries and wages of the last 6 months prior to retirement.
| | --- | -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------

ChipMOS Taiwan and ThaiLin contribute monthly an amount equal to 2% of the employees monthly salaries and wages to the retirement fund
deposited with Bank of Taiwan, the trustee, under the name of the independent retirement fund committee. Also, ChipMOS Taiwan and ThaiLin would assess the balance in the aforementioned labor pension reserve account by the end of December 31,
every year. If the account balance is not enough to pay the pension calculated by the aforementioned method, to the labors expected to be qualified for retirement next year, ChipMOS Taiwan and ThaiLin will make contribution for the deficit by next
March.





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##### Table of Contents

ChipMOS TECHNOLOGIES INC. AND SUBSIDIARIES

Notes to the Consolidated Financial Statements (Continued)

December 31, 2014, 2015 and 2016







|24. | Retirement benefit plans (continued)
|--- | ------------------------------------



| | a) | Defined benefit plans (continued)
| | -- | ---------------------------------



| | (b) | The amounts recognized in the statements of financial position are as follows:
| | --- | ------------------------------------------------------------------------------



|                                             |  |                  |          |   |                  |  |          |                  |  |  |         |  
|-------------------------------------------- |  | ---------------- | -------- | - | ---------------- |  | -------- | ---------------- |  |  | ------- | -
|                                             |  | December 31,2015 |          |   | December 31,2016 |  |          | December 31,2016 | 
|                                             |  | NT$000           |          |   | NT$000           |  |          | US$000           | 
|Present value of defined benefit obligations |  |                  | (844,166 | ) |                  |  | (894,163 | )                |  |  | (27,598 | )
|Fair value of plan assets                    |  |                  | 324,695  |   |                  |  | 347,195  |                  |  |  | 10,716  |  
|                                             |  |                  |          |   |                  |  |          |                  |  |  |         |  
|Net defined benefit liability                |  |                  | (519,471 | ) |                  |  | (546,968 | )                |  |  | (16,882 | )
|                                             |  |                  |          |   |                  |  |          |                  |  |  |         |  



| | (c) | Movements in net defined benefit liability are as follows:
| | --- | ----------------------------------------------------------



|                                                                                        |  |                                            |          |   |                          |  |         |                             |  |  |          |  
|--------------------------------------------------------------------------------------- |  | ------------------------------------------ | -------- | - | ------------------------ |  | ------- | --------------------------- |  |  | -------- | -
|                                                                                        |  | 2015                                       |         
|                                                                                        |  | Present value ofdefined benefitobligations |          |   | Fair value ofplan assets |  |         | Net definedbenefitliability | 
|                                                                                        |  | NT$000                                     |          |   | NT$000                   |  |         | NT$000                      | 
|January 1                                                                               |  |                                            | (812,840 | ) |                          |  | 321,082 |                             |  |  | (491,758 | )
|Current service cost                                                                    |  |                                            | (983     | ) |                          |  |        |                             |  |  | (983     | )
|Interest (expense) income                                                               |  |                                            | (16,901  | ) |                          |  | 6,811   |                             |  |  | (10,090  | )
|                                                                                        |  |                                            |          |   |                          |  |         |                             |  |  |          |  
|                                                                                        |  |                                            | (830,724 | ) |                          |  | 327,893 |                             |  |  | (502,831 | )
|                                                                                        |  |                                            |          |   |                          |  |         |                             |  |  |          |  
|Remeasurements:                                                                         |  |                                            |          |   |                          |  |         |                             |  |  |          |  
|Return of plan assets (not including the amount included in interest income or expense) |  |                                            |         |   |                          |  | 872     |                             |  |  | 872      |  
|Financial assumption movement effect                                                    |  |                                            | (46,853  | ) |                          |  | 901     |                             |  |  | (45,952  | )
|Experience adjustments                                                                  |  |                                            | 3,322    |   |                          |  |        |                             |  |  | 3,322    |  
|                                                                                        |  |                                            |          |   |                          |  |         |                             |  |  |          |  
|                                                                                        |  |                                            | (43,531  | ) |                          |  | 1,773   |                             |  |  | (41,758  | )
|                                                                                        |  |                                            |          |   |                          |  |         |                             |  |  |          |  
|Pension fund contribution                                                               |  |                                            |         |   |                          |  | 25,118  |                             |  |  | 25,118   |  
|Paid pension                                                                            |  |                                            | 30,089   |   |                          |  | (30,089 | )                           |  |  |         |  
|                                                                                        |  |                                            |          |   |                          |  |         |                             |  |  |          |  
|December 31                                                                             |  |                                            | (844,166 | ) |                          |  | 324,695 |                             |  |  | (519,471 | )
|                                                                                        |  |                                            |          |   |                          |  |         |                             |  |  |          |  



|                                                                                        |  |                                            |          |   |                          |  |         |                             |  |  |                             |   |  |  |         |  
|--------------------------------------------------------------------------------------- |  | ------------------------------------------ | -------- | - | ------------------------ |  | ------- | --------------------------- |  |  | --------------------------- | - |  |  | ------- | -
|                                                                                        |  | 2016                                       |         
|                                                                                        |  | Present value ofdefined benefitobligations |          |   | Fair value ofplan assets |  |         | Net definedbenefitliability |  |  | Net definedbenefitliability |  
|                                                                                        |  | NT$000                                     |          |   | NT$000                   |  |         | NT$000                      |  |  | US$000                      |  
|January 1                                                                               |  |                                            | (844,166 | ) |                          |  | 324,695 |                             |  |  | (519,471                    | ) |  |  | (16,033 | )
|Current service cost                                                                    |  |                                            | (321     | ) |                          |  |        |                             |  |  | (321                        | ) |  |  | (10     | )
|Interest (expense) income                                                               |  |                                            | (14,644  | ) |                          |  | 5,768   |                             |  |  | (8,876                      | ) |  |  | (274    | )
|                                                                                        |  |                                            |          |   |                          |  |         |                             |  |  |                             |   |  |  |         |  
|                                                                                        |  |                                            | (859,131 | ) |                          |  | 330,463 |                             |  |  | (528,668                    | ) |  |  | (16,317 | )
|                                                                                        |  |                                            |          |   |                          |  |         |                             |  |  |                             |   |  |  |         |  
|Remeasurements:                                                                         |  |                                            |          |   |                          |  |         |                             |  |  |                             |   |  |  |         |  
|Return of plan assets (not including the amount included in interest income or expense) |  |                                            |         |   |                          |  | (3,413  | )                           |  |  | (3,413                      | ) |  |  | (105    | )
|Financial assumption movement effect                                                    |  |                                            | (31,294  | ) |                          |  |        |                             |  |  | (31,294                     | ) |  |  | (966    | )
|Experience adjustments                                                                  |  |                                            | (8,676   | ) |                          |  |        |                             |  |  | (8,676                      | ) |  |  | (268    | )
|                                                                                        |  |                                            |          |   |                          |  |         |                             |  |  |                             |   |  |  |         |  
|                                                                                        |  |                                            | (39,970  | ) |                          |  | (3,413  | )                           |  |  | (43,383                     | ) |  |  | (1,339  | )
|                                                                                        |  |                                            |          |   |                          |  |         |                             |  |  |                             |   |  |  |         |  
|Pension fund contribution                                                               |  |                                            |         |   |                          |  | 25,083  |                             |  |  | 25,083                      |   |  |  | 774     |  
|Paid pension                                                                            |  |                                            | 4,938    |   |                          |  | (4,938  | )                           |  |  |                            |   |  |  |        |  
|                                                                                        |  |                                            |          |   |                          |  |         |                             |  |  |                             |   |  |  |         |  
|December 31                                                                             |  |                                            | (894,163 | ) |                          |  | 347,195 |                             |  |  | (546,968                    | ) |  |  | (16,882 | )
|                                                                                        |  |                                            |          |   |                          |  |         |                             |  |  |                             |   |  |  |         |  





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ChipMOS TECHNOLOGIES INC. AND SUBSIDIARIES

Notes to the Consolidated Financial Statements (Continued)

December 31, 2014, 2015 and 2016







|24. | Retirement benefit plans (continued)
|--- | ------------------------------------



| | a) | Defined benefit plans (continued)
| | -- | ---------------------------------



| | (d) | The Bank of Taiwan was commissioned to manage the Fund of ChipMOS Taiwan and ThaiLins defined benefit pension plan (the Fund) in accordance with the Funds annual investment and utilization plan
and the Regulations for Revenues, Expenditures, Safeguard and Utilization of the Labor Retirement Fund (Article 6: The scope of utilization for the Fund includes deposit in domestic or foreign financial institutions, investment in
domestic or foreign listed, over-the-counter, or private placement equity securities, investment in domestic or foreign real estate securitization products, etc.). With
regard to the utilization of the Fund, its minimum earnings in the annual distributions on the final financial statements shall be no less than the earnings attainable from the amounts accrued from two-year
time deposits with the interest rates offered by local banks. If the earning is less than aforementioned rates, government shall make payment for the deficit after authorized by the Regulator. ChipMOS Taiwan and ThaiLin have no right to participate
in managing and operating that fund and hence ChipMOS Taiwan and ThaiLin are unable to disclose the classification of plan asset fair value in accordance with IAS 19 Employee Benefits paragraph 142. The constitution of fair value of plan
assets as of December 31, 2015 and 2016 is given in the Annual Labor Retirement Fund Utilization Report announced by the government.
| | --- | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------



| | (e) | The principal actuarial assumptions used were as follows:
| | --- | ---------------------------------------------------------



|                                                 |  |      |      |   |      |  |      |  
|------------------------------------------------ |  | ---- | ---- | - | ---- |  | ---- | -
|                                                 |  | 2015 |      |   | 2016 | 
|Discount rate used in determining present values |  |      | 1.75 | % |      |  | 1.50 | %
|Expected future salary increases                 |  |      | 3.50 | % |      |  | 3.50 | %

Assumptions regarding future mortality are set based on actuarial advice in accordance with published
statistics and experience in each territory.

Because the main actuarial assumption changed, the present value of defined benefit
obligation is affected. The sensitivity analysis of present value of defined benefit obligation effected by the changes of significant actuarial assumptions at December 31, 2015 and 2016 are shown below:



|                                                      |  |               |         |   |                         |  |        |               |  |  |               |  |  |  |         |  
|----------------------------------------------------- |  | ------------- | ------- | - | ----------------------- |  | ------ | ------------- |  |  | ------------- |  |  |  | ------- | -
|                                                      |  | Discount rate |         |   | Future salary increases | 
|                                                      |  | Increase0.25% |         |   | Decrease0.25%           |  |        | Increase0.25% |  |  | Decrease0.25% | 
|December 31, 2015                                     |  |               |         |   |                         |  |        |               |  |  |               |  |  |  |         |  
|Effect on present value of defined benefit obligation |  |               | (30,255 | ) |                         |  | 31,832 |               |  |  | 31,215        |  |  |  | (29,837 | )
|                                                      |  |               |         |   |                         |  |        |               |  |  |               |  |  |  |         |  
|December 31, 2016                                     |  |               |         |   |                         |  |        |               |  |  |               |  |  |  |         |  
|Effect on present value of defined benefit obligation |  |               | (31,294 | ) |                         |  | 32,893 |               |  |  | 32,174        |  |  |  | (30,787 | )
|                                                      |  |               |         |   |                         |  |        |               |  |  |               |  |  |  |         |  





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##### Table of Contents

ChipMOS TECHNOLOGIES INC. AND SUBSIDIARIES

Notes to the Consolidated Financial Statements (Continued)

December 31, 2014, 2015 and 2016







|24. | Retirement benefit plans (continued)
|--- | ------------------------------------



| | a) | Defined benefit plans (continued)
| | -- | ---------------------------------



| | (e) | The principal actuarial assumptions used were as follows: (continued)
| | --- | ---------------------------------------------------------------------

The sensitivity
analysis above is based on other conditions are unchanged but only one assumption is changed. In practice, more than one assumption may change all at once. The method of analyzing sensitivity and the method of calculating net pension liability in
the statements of financial position are the same.

The major assumptions of the actuarial valuation remain unchanged from 2015.



| | (f) | The Group expects to make contributions of NT$25,962 thousand (US$801 thousand) during 2017.
| | --- | --------------------------------------------------------------------------------------------



| | (g) | As of December 31, 2016, the weighted average duration of that retirement plan is 14.5 years. The analysis of timing of the future pension payment is as follows:
| | --- | -----------------------------------------------------------------------------------------------------------------------------------------------------------------



|              |  |                   |         |  |        |  |        | 
|------------- |  | ----------------- | ------- |  | ------ |  | ------ | 
|              |  | December 31, 2016 |        
|              |  | NT$000            |         |  | US$000 | 
|Within 1 year |  |                   | 23,588  |  |        |  | 728    | 
|1-2 years     |  |                   | 27,295  |  |        |  | 842    | 
|2-5 years     |  |                   | 99,880  |  |        |  | 3,083  | 
|6-10 years    |  |                   | 174,803 |  |        |  | 5,395  | 
|              |  |                   |         |  |        |  |        | 
|              |  |                   | 325,566 |  |        |  | 10,048 | 
|              |  |                   |         |  |        |  |        | 



| | b) | Defined contribution plans
| | -- | --------------------------

Effective July 1, 2005, ChipMOS Taiwan and ThaiLin have
established a defined contribution pension plan (the New Plan) under the Labor Pension Act (the Act), covering all regular employees with ROC nationality. Under the New Plan, ChipMOS Taiwan and ThaiLin contribute monthly an
amount based on 6% of the employees monthly salaries and wages to the employees individual pension accounts at the Bureau of Labor Insurance. The benefits accrued are paid monthly or in lump sum upon termination of employment. The
pension costs under defined contribution pension plans of ChipMOS Taiwan and ThaiLin for the years ended December 31, 2015 and 2016 were NT$168,592 thousand and NT$174,096 thousand (US$5,373 thousand), respectively.

ChipMOS Shanghai has a defined contribution plan. Monthly contributions to an independent fund administered by the government in accordance
with the pension regulations in PRC are based on certain percentage of employees monthly salaries and wages. The contribution percentage for the years ended December 31, 2015 and 2016 were 21% and 21%, respectively. Other than the monthly
contributions, ChipMOS Shanghai has no further obligations. The pension costs under defined contribution pension plans of ChipMOS Shanghai for the years ended December 31, 2015 and 2016 were NT$55,054 thousand and NT$58,419 thousand
(US$1,803 thousand), respectively, recognized at discontinued operations.





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##### Table of Contents

ChipMOS TECHNOLOGIES INC. AND SUBSIDIARIES

Notes to the Consolidated Financial Statements (Continued)

December 31, 2014, 2015 and 2016







|25. | Other Payable
|--- | -------------



|                                          |  |                  |           |  |                  |  |           |                  |  |  |        | 
|----------------------------------------- |  | ---------------- | --------- |  | ---------------- |  | --------- | ---------------- |  |  | ------ | 
|                                          |  | December 31,2015 |           |  | December 31,2016 |  |           | December 31,2016 | 
|                                          |  | NT$000           |           |  | NT$000           |  |           | US$000           | 
|Salaries and bonus payable                |  |                  | 461,186   |  |                  |  | 443,993   |                  |  |  | 13,703 | 
|Interest payable                          |  |                  | 1,741     |  |                  |  | 1,059     |                  |  |  | 33     | 
|Accrued pension costs                     |  |                  | 27,529    |  |                  |  | 29,930    |                  |  |  | 924    | 
|Employees bonus                          |  |                  | 313,282   |  |                  |  | 70,553    |                  |  |  | 2,178  | 
|Remuneration to directors and supervisors |  |                  | 15,664    |  |                  |  | 3,528     |                  |  |  | 109    | 
|Share appreciation rights payable         |  |                  | 135,145   |  |                  |  |          |                  |  |  |       | 
|Other expense payable                     |  |                  | 914,151   |  |                  |  | 862,991   |                  |  |  | 26,635 | 
|                                          |  |                  |           |  |                  |  |           |                  |  |  |        | 
|                                          |  |                  | 1,868,698 |  |                  |  | 1,412,054 |                  |  |  | 43,582 | 
|                                          |  |                  |           |  |                  |  |           |                  |  |  |        | 



|26. | Provisions  current
|--- | --------------------



| | Movements | in provisions are as follows:
| | --------- | -----------------------------



|            |  |                               |         |   |                                      |  |        |        |  |  |         |  
|----------- |  | ----------------------------- | ------- | - | ------------------------------------ |  | ------ | ------ |  |  | ------- | -
|            |  | 2015                          |        
|            |  | Provisions forsales allowance |         |   | Provisions fordeficiencycompensation |  |        | Total  | 
|            |  | NT$000                        |         |   | NT$000                               |  |        | NT$000 | 
|January 1   |  |                               | 58,974  |   |                                      |  |       |        |  |  | 58,974  |  
|Provision   |  |                               | 96,708  |   |                                      |  | 7,009  |        |  |  | 103,717 |  
|Payment     |  |                               | (58,779 | ) |                                      |  | (7,009 | )      |  |  | (65,788 | )
|            |  |                               |         |   |                                      |  |        |        |  |  |         |  
|December 31 |  |                               | 96,903  |   |                                      |  |       |        |  |  | 96,903  |  
|            |  |                               |         |   |                                      |  |        |        |  |  |         |  



|            |  |                               |         |   |                                      |  |         |        |  |  |          |   |  |  |        |  
|----------- |  | ----------------------------- | ------- | - | ------------------------------------ |  | ------- | ------ |  |  | -------- | - |  |  | ------ | -
|            |  | 2016                          |        
|            |  | Provisions forsales allowance |         |   | Provisions fordeficiencycompensation |  |         | Total  |  |  | Total    |  
|            |  | NT$000                        |         |   | NT$000                               |  |         | NT$000 |  |  | US$000   |  
|January 1   |  |                               | 96,903  |   |                                      |  |        |        |  |  | 96,903   |   |  |  | 2,991  |  
|Provision   |  |                               | 46,900  |   |                                      |  | 69,676  |        |  |  | 116,576  |   |  |  | 3,598  |  
|Payment     |  |                               | (77,738 | ) |                                      |  | (55,022 | )      |  |  | (132,760 | ) |  |  | (4,098 | )
|            |  |                               |         |   |                                      |  |         |        |  |  |          |   |  |  |        |  
|December 31 |  |                               | 66,065  |   |                                      |  | 14,654  |        |  |  | 80,719   |   |  |  | 2,491  |  
|            |  |                               |         |   |                                      |  |         |        |  |  |          |   |  |  |        |  

The Companys provisions include sales allowance and deficiency compensation. The detailed information is
provided in Note 2 e).



|27. | Short-term bank loans
|--- | ---------------------



|                     |  |                  |               |  |                  |  |   |                  |  |  |   | 
|-------------------- |  | ---------------- | ------------- |  | ---------------- |  | - | ---------------- |  |  | - | 
|                     |  | December 31,2015 |               |  | December 31,2016 |  |   | December 31,2016 | 
|                     |  | NT$000           |               |  | NT$000           |  |   | US$000           | 
|Unsecured bank loans |  |                  | 1,148,875     |  |                  |  |  |                  |  |  |  | 
|                     |  |                  |               |  |                  |  |   |                  |  |  |   | 
|Annual interest rate |  |                  | 0.90% - 0.98% |  |                  |  |  |                  |  |  |  | 





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ChipMOS TECHNOLOGIES INC. AND SUBSIDIARIES

Notes to the Consolidated Financial Statements (Continued)

December 31, 2014, 2015 and 2016







|27. | Short-term bank loans (continued)
|--- | ---------------------------------



Unused credit lines of short-term bank loans are as follows:



|       |  |                  |           |  |                  |  |           | 
|------ |  | ---------------- | --------- |  | ---------------- |  | --------- | 
|       |  | December 31,2015 |           |  | December 31,2016 | 
|NT$000 |  |                  | 2,628,140 |  |                  |  | 3,119,000 | 
|US$000 |  |                  | 50,000    |  |                  |  | 80,000    | 



|28. | Significant commitments and contingencies
|--- | -----------------------------------------

Operating leases commitments

ChipMOS Taiwan entered into several operating lease contracts for land. These renewable operating leases will expire by 2032 and 2034.

ChipMOS USA entered into several operating lease contracts for office space. These renewable operating leases will expire by 2017 and
2018.

Future minimum lease payments under those leases are as follows:



|             |  |                  |         |  |                  |  |         |                  |  |  |        | 
|------------ |  | ---------------- | ------- |  | ---------------- |  | ------- | ---------------- |  |  | ------ | 
|             |  | December 31,2015 |         |  | December 31,2016 |  |         | December 31,2016 | 
|             |  | NT$000           |         |  | NT$000           |  |         | US$000           | 
|£ 1 year     |  |                  | 64,396  |  |                  |  | 39,929  |                  |  |  | 1,232  | 
|2 to 5 years |  |                  | 126,907 |  |                  |  | 140,328 |                  |  |  | 4,331  | 
|> 5 years    |  |                  | 194,962 |  |                  |  | 176,897 |                  |  |  | 5,460  | 
|             |  |                  |         |  |                  |  |         |                  |  |  |        | 
|             |  |                  | 386,265 |  |                  |  | 357,154 |                  |  |  | 11,023 | 
|             |  |                  |         |  |                  |  |         |                  |  |  |        | 

Capital commitments

Capital expenditures that are contracted for, but not provided for are as follows:



|                              |  |                  |           |  |                  |  |           | 
|----------------------------- |  | ---------------- | --------- |  | ---------------- |  | --------- | 
|                              |  | December 31,2015 |           |  | December 31,2016 | 
|Property, plant and equipment |  |                  |           |  |                  |  |           | 
|NT$000                        |  |                  | 1,132,522 |  |                  |  | 1,615,460 | 
|RMB 000                       |  |                  | 36,583    |  |                  |  |          | 

In total, the capital commitments of the Group as of December 31, 2015 and 2016 are
NT$1,316,644 thousand and NT$1,615,460 thousand (US$49,860 thousand), respectively.

Other commitments

A letter of guarantee is issued by Bank of Taiwan to the Tariff Bureau of the Ministry of Finance for making payment of customs duty deposits
when importing. The amount of letter of guarantee will occupy the credit lines for short-term loans of ChipMOS Taiwan. As of December 31, 2016, tax payable of NT$131,000 thousand (US$4,043 thousand) are guaranteed by Bank of Taiwan.





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ChipMOS TECHNOLOGIES INC. AND SUBSIDIARIES

Notes to the Consolidated Financial Statements (Continued)

December 31, 2014, 2015 and 2016







|29. | Material non-controlling interests
|--- | ----------------------------------

Financial information of subsidiaries that have material non-controlling interests is provided below:

Proportion of equity interest held by non-controlling interests:



|                                                               |  |                                       |  |        |                 |  |        |  |                 | 
|-------------------------------------------------------------- |  | ------------------------------------- |  | ------ | --------------- |  | ------ |  | --------------- | 
|                                                               |  | Country of incorporation andoperation |  | 2015   |                 |  | 2016   | 
|ThaiLin                                                        |  | ROC                                   |  |        | Not applicable* |  |        |  | Not applicable* | 
|ChipMOS Shanghai                                               |  | PRC                                   |  |        | Not applicable* |  |        |  | Not applicable* | 
|                                                               |  |                                       | 
|                                                               |  |                                       |  | 2015   |                 |  | 2016   | 
|                                                               |  |                                       |  | NT$000 |                 |  | NT$000 | 
|Accumulated balances of material
non-controlling interests:    |  |                                       |  |        |                 |  |        | 
|ThaiLin                                                        |  |                                       |  |        | Not applicable* |  |        |  | Not applicable* | 
|ChipMOS Shanghai                                               |  |                                       |  |        | Not applicable* |  |        |  | Not applicable* | 
|Profit (loss) allocated to material
non-controlling interests: |  |                                       |  |        |                 |  |        | 
|ThaiLin                                                        |  |                                       |  |        | 36,951*         |  |        |  | Not applicable* | 
|ChipMOS Shanghai                                               |  |                                       |  |        | 122*            |  |        |  | Not applicable* | 



| | * | ThaiLin was merged into ChipMOS Taiwan on June 17, 2015. After the merger, ChipMOS Shanghai became the wholly-owned subsidiary of ChipMOS Taiwan.
| | - | -------------------------------------------------------------------------------------------------------------------------------------------------

The summarized financial information of these subsidiaries is provided below. This information is based on amounts before inter-company
eliminations.

Summarized statement of comprehensive income for 2015:



|                                                     |  |          |          |   |                 |  |            |  
|---------------------------------------------------- |  | -------- | -------- | - | --------------- |  | ---------- | -
|                                                     |  | ThaiLin* |          |   | ChipMOSShanghai | 
|                                                     |  | NT$000   |          |   | NT$000          | 
|Revenue                                              |  |          | 734,786  |   |                 |  | 1,032,353  |  
|Cost of revenue                                      |  |          | (544,791 | ) |                 |  | (1,075,134 | )
|Operating expenses                                   |  |          | (70,654  | ) |                 |  | (51,909    | )
|Other operating income (expenses), net               |  |          | 3,014    |   |                 |  | 8,468      |  
|Finance costs                                        |  |          | (14      | ) |                 |  | (2,053     | )
|Other non-operating income (expenses), net           |  |          | (30,869  | ) |                 |  | 27,907     |  
|                                                     |  |          |          |   |                 |  |            |  
|Profit (loss) before tax                             |  |          | 91,472   |   |                 |  | (60,368    | )
|Income tax                                           |  |          | (21,036  | ) |                 |  |           |  
|                                                     |  |          |          |   |                 |  |            |  
|Profit (loss) for the year                           |  |          | 70,436   |   |                 |  | (60,368    | )
|                                                     |  |          |          |   |                 |  |            |  
|Total comprehensive income (loss) for the year       |  |          | 70,436   |   |                 |  | (60,368    | )
|                                                     |  |          |          |   |                 |  |            |  
|Net profit attributable to non-controlling
interests |  |          | 36,951   |   |                 |  | 122        |  
|Dividends paid to non-controlling interests          |  |          |         |   |                 |  |           |  





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ChipMOS TECHNOLOGIES INC. AND SUBSIDIARIES

Notes to the Consolidated Financial Statements (Continued)

December 31, 2014, 2015 and 2016







|29. | Material non-controlling interests (continued)
|--- | ----------------------------------------------

|
|



Summarized cash flow information for year ended December 31, 2015:



|                                                     |  |          |          |   |                 |  |          |  
|---------------------------------------------------- |  | -------- | -------- | - | --------------- |  | -------- | -
|                                                     |  | ThaiLin* |          |   | ChipMOSShanghai | 
|                                                     |  | NT$000   |          |   | NT$000          | 
|Operating                                            |  |          | 57,835   |   |                 |  | 92,160   |  
|Investing                                            |  |          | (169,382 | ) |                 |  | (205,293 | )
|Financing                                            |  |          |         |   |                 |  | 889,234  |  
|Effect of foreign exchange rate changes              |  |          | (40,444  | ) |                 |  | (18,636  | )
|                                                     |  |          |          |   |                 |  |          |  
|Net increase (decrease) in cash and cash equivalents |  |          | (151,991 | ) |                 |  | 757,465  |  
|                                                     |  |          |          |   |                 |  |          |  



| | * | ThaiLin was merged into ChipMOS Taiwan on June 17, 2015. After the merger, ChipMOS Shanghai became the wholly-owned subsidiary of ChipMOS Taiwan. The cash flow information of ThaiLin was for the period from
January 1, 2015 to June 16, 2015.
| | - | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------



|30. | Transactions with non-controlling interests
|--- | -------------------------------------------

The merger of ChipMOS Taiwan and ThaiLin was approved by the respective shareholders at the special shareholders meetings held on
December 30, 2014 and was completed on June 17, 2015 and ChipMOS Taiwan is the surviving entity. ThaiLins shareholders were offered a combination of NT$12.5 in cash and 0.311 of one ChipMOS Taiwan ordinary share in exchange for each
ThaiLin ordinary share held. ChipMOS Taiwan issued 35,932 thousand shares and paid NT$1,444,224 thousand in cash to exchange for 52.46% of ThaiLins shares. The transaction was treated as an equity transaction. The difference between
the amount by which the non-controlling interest is adjusted and the fair value of the consideration paid was recognized in equity attributed to the Company. Before the merger, ChipMOS Taiwan held 47.54% of
the outstanding shares of ThaiLin, ThaiLin held 100% of the outstanding shares of ChipMOS BVI and ChipMOS BVI held 100% of the outstanding shares of ChipMOS Shanghai. After the merger, ChipMOS BVI and its wholly-owned subsidiary, ChipMOS Shanghai,
became wholly-owned subsidiaries of ChipMOS Taiwan.

The effect on the equity attributed to the Company during the period is summarized as
follows:



|                                                      |  |        |            |  
|----------------------------------------------------- |  | ------ | ---------- | -
|                                                      |  | 2015   |           
|                                                      |  | NT$000 |           
|Carrying amount of non-controlling interests
acquired |  |        | 2,637,316  |  
|Consideration paid to non-controlling interests       |  |        | (2,921,041 | )
|Other component of equity                             |  |        | (17,964    | )
|Capital surplus                                       |  |        | 26,189     |  
|                                                      |  |        |            |  
|Retained earnings                                     |  |        | (275,500   | )
|                                                      |  |        |            |  





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ChipMOS TECHNOLOGIES INC. AND SUBSIDIARIES

Notes to the Consolidated Financial Statements (Continued)

December 31, 2014, 2015 and 2016







|31. | Capital reorganization
|--- | ----------------------

To integrate resources, the Companys former parent
company, ChipMOS Bermuda, was merged with and into the Company with the latter being the surviving entity and ChipMOS Bermuda being the extinguished entity. Under the Merger Agreement, each shareholder of ChipMOS Bermuda is entitled to receive, with
respect to each ChipMOS Bermuda share, 0.9355 unit of the Companys newly-issued ADSs trading on the NASDAQ Global Select Market (Each ADS unit represents 20 shares of the Companys ordinary shares) and US$3.71 in cash. The Company issued
25,620,267 units of ADSs (representing 512,405 thousand ordinary shares) and paid US$101,657 thousand in cash (equivalent to NT$3,208,310 thousand) as the total consideration. In addition, the Company paid NT$133,311 thousand
(US$4,114 thousand) directly attributable transaction cost for the capital reorganization. As the result, the Company paid NT$3,341,621 thousand (US$103,136 thousand) in cash for the capital reorganization.

The Company issued 512,405 thousand shares for the capital reorganization, and reduced capital by cancelling 522,080 thousand shares
originally held by ChipMOS Bermuda. After the capital reorganization, the Companys shares was net decreased by 9,675 thousand shares. When cancelling treasury stocks, the Company deducted share premium equal to the proportion of cancelled
shares. Due to the deficit in share premium, the Company deducted retained earnings by NT$5,052,343 thousand (US$ 155,937 thousand).

As of October 30, 2016, the ending balance of Predecessors interests was NT$1,692,918 thousand (US$52,251
thousand), which represents ChipMOS Bermudas net assets as if it had always been combined. The amount has been eliminated in the record date of the Merger.



|32. | Supplementary cash flow information
|--- | -----------------------------------

Partial cash paid for
investing and financing activities



| | a) | Property, plant and equipment
| | -- | -----------------------------



|                                                                            |  |        |            |   |        |  |           |        |  |  |           |   |  |  |         |  
|--------------------------------------------------------------------------- |  | ------ | ---------- | - | ------ |  | --------- | ------ |  |  | --------- | - |  |  | ------- | -
|                                                                            |  | 2014   |            |   | 2015   |  |           | 2016   |  |  | 2016      |  
|                                                                            |  | NT$000 |            |   | NT$000 |  |           | NT$000 |  |  | US$000    |  
|Purchase in property, plant and equipment                                   |  |        | 3,568,240  |   |        |  | 3,644,560 |        |  |  | 4,690,995 |   |  |  | 144,784 |  
|Add: Payable to contractors and equipment suppliers at beginning of year    |  |        | 858,239    |   |        |  | 1,307,459 |        |  |  | 523,962   |   |  |  | 16,171  |  
|Add: Lease payable at beginning of year                                     |  |        |           |   |        |  |          |        |  |  |          |   |  |  |        |  
|Less: Payable to contractors and equipment suppliers at the end of the year |  |        | (1,307,459 | ) |        |  | (523,962  | )      |  |  | (647,486  | ) |  |  | (19,984 | )
|Less: Lease payable at the end of the year                                  |  |        |           |   |        |  |          |        |  |  | (96,006   | ) |  |  | (2,963  | )
|                                                                            |  |        |            |   |        |  |           |        |  |  |           |   |  |  |         |  
|Cash paid for acquisition of property, plant and equipment                  |  |        | 3,119,020  |   |        |  | 4,428,057 |        |  |  | 4,471,465 |   |  |  | 138,008 |  
|                                                                            |  |        |            |   |        |  |           |        |  |  |           |   |  |  |         |  



| | b) | Treasury stock
| | -- | --------------



|                                                                           |  |        |         |  |        |  |           |        |  |  |           |  |  |  |        | 
|-------------------------------------------------------------------------- |  | ------ | ------- |  | ------ |  | --------- | ------ |  |  | --------- |  |  |  | ------ | 
|                                                                           |  | 2014   |         |  | 2015   |  |           | 2016   |  |  | 2016      | 
|                                                                           |  | NT$000 |         |  | NT$000 |  |           | NT$000 |  |  | US$000    | 
|Repurchase of shares                                                       |  |        | 722,093 |  |        |  | 1,862,362 |        |  |  | 1,007,654 |  |  |  | 31,100 | 
|Less: Prepayment for the repurchase of shares at the beginning of the year |  |        |        |  |        |  | (421,003  | )      |  |  |          |  |  |  |       | 
|                                                                           |  |        |         |  |        |  |           |        |  |  |           |  |  |  |        | 
|Cash paid for purchase of treasury stock                                   |  |        | 722,093 |  |        |  | 1,441,359 |        |  |  | 1,007,654 |  |  |  | 31,100 | 
|                                                                           |  |        |         |  |        |  |           |        |  |  |           |  |  |  |        | 





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ChipMOS TECHNOLOGIES INC. AND SUBSIDIARIES

Notes to the Consolidated Financial Statements (Continued)

December 31, 2014, 2015 and 2016







|32. | Supplementary cash flow information (continued)
|--- | -----------------------------------------------



| | c) | Capital reorganization
| | -- | ----------------------



|                                         |  |        |            |   |        |  |          |  
|---------------------------------------- |  | ------ | ---------- | - | ------ |  | -------- | -
|                                         |  | 2016   |            |   | 2016   | 
|                                         |  | NT$000 |            |   | US$000 | 
|Net assets acquired from ChipMOS Bermuda |  |        | 12,987,736 |   |        |  | 400,856  |  
|Less: Issuance of shares                 |  |        | (9,779,426 | ) |        |  | (301,834 | )
|                                         |  |        |            |   |        |  |          |  
|Cash consideration                       |  |        | 3,208,310  |   |        |  | 99,022   |  
|Directly attributable transaction cost   |  |        | 133,311    |   |        |  | 4,114    |  
|                                         |  |        |            |   |        |  |          |  
|Payments on capital reorganization       |  |        | 3,341,621  |   |        |  | 103,136  |  
|                                         |  |        |            |   |        |  |          |  



|33. | Related party transactions
|--- | --------------------------

Key management personnel compensation:



|                             |  |        |         |  |        |  |         |        |  |  |         |  |  |  |       | 
|---------------------------- |  | ------ | ------- |  | ------ |  | ------- | ------ |  |  | ------- |  |  |  | ----- | 
|                             |  | 2014   |         |  | 2015   |  |         | 2016   |  |  | 2016    | 
|                             |  | NT$000 |         |  | NT$000 |  |         | NT$000 |  |  | US$000  | 
|Short-term employee benefits |  |        | 219,922 |  |        |  | 217,091 |        |  |  | 152,319 |  |  |  | 4,701 | 
|Post-employment compensation |  |        | 2,147   |  |        |  | 2,249   |        |  |  | 3,335   |  |  |  | 103   | 
|Share-based payments         |  |        | 87,937  |  |        |  | 100,280 |        |  |  | 109,255 |  |  |  | 3,372 | 
|                             |  |        |         |  |        |  |         |        |  |  |         |  |  |  |       | 
|                             |  |        | 310,006 |  |        |  | 319,620 |        |  |  | 264,909 |  |  |  | 8,176 | 
|                             |  |        |         |  |        |  |         |        |  |  |         |  |  |  |       | 



|34. | Pledged or mortgaged assets
|--- | ---------------------------

The Group provided certain assets as collateral
mainly for long-term bank loans (Note 23) and leases, which were as follows:



|                                                          |  |                  |           |  |                  |  |           |                  |  |  |         | 
|--------------------------------------------------------- |  | ---------------- | --------- |  | ---------------- |  | --------- | ---------------- |  |  | ------- | 
|                                                          |  | December 31,2015 |           |  | December 31,2016 |  |           | December 31,2016 | 
|                                                          |  | NT$000           |           |  | NT$000           |  |           | US$000           | 
|Property, plant and equipment, net (Note 14)              |  |                  | 6,192,673 |  |                  |  | 8,020,905 |                  |  |  | 247,559 | 
|Restricted short-term deposits and cash at bank (Note 18) |  |                  | 65,211    |  |                  |  | 70,677    |                  |  |  | 2,181   | 
|                                                          |  |                  |           |  |                  |  |           |                  |  |  |         | 
|                                                          |  |                  | 6,257,884 |  |                  |  | 8,091,582 |                  |  |  | 249,740 | 
|                                                          |  |                  |           |  |                  |  |           |                  |  |  |         | 





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ChipMOS TECHNOLOGIES INC. AND SUBSIDIARIES

Notes to the Consolidated Financial Statements (Continued)

December 31, 2014, 2015 and 2016







|35. | Financial instruments by category
|--- | ---------------------------------



|                                                                                                                                                                                        |  |                  |            |  |                  |  |            |                  |  |  |         | 
|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |  | ---------------- | ---------- |  | ---------------- |  | ---------- | ---------------- |  |  | ------- | 
|                                                                                                                                                                                        |  | December 31,2015 |            |  | December 31,2016 |  |            | December 31,2016 | 
|                                                                                                                                                                                        |  | NT$000           |            |  | NT$000           |  |            | US$000           | 
|Financial assets                                                                                                                                                                        |  |                  |            |  |                  |  |            |                  |  |  |         | 
|Available-for-sale
financial assets                                                                                                                                                     |  |                  | 9,960      |  |                  |  | 9,960      |                  |  |  | 307     | 
|Loans and receivables ( including cash and cash equivalents, short-term deposits, accounts and
notes receivable, other receivables and refundable deposits)                             |  |                  | 16,261,958 |  |                  |  | 11,862,621 |                  |  |  | 366,130 | 
|                                                                                                                                                                                        |  |                  |            |  |                  |  |            |                  |  |  |         | 
|                                                                                                                                                                                        |  |                  | 16,271,918 |  |                  |  | 11,872,581 |                  |  |  | 366,437 | 
|                                                                                                                                                                                        |  |                  |            |  |                  |  |            |                  |  |  |         | 
|Financial liabilities                                                                                                                                                                   |  |                  |            |  |                  |  |            |                  |  |  |         | 
|Financial liabilities at amortized cost (including bank loans, accounts payable, payables to
contractors and equipment suppliers, lease payable, other payables and guarantee deposits) |  |                  | 10,786,634 |  |                  |  | 13,579,473 |                  |  |  | 419,120 | 
|                                                                                                                                                                                        |  |                  |            |  |                  |  |            |                  |  |  |         | 



|36. | Financial risk management and fair values of financial instruments
|--- | ------------------------------------------------------------------



| | a) | Financial risk management
| | -- | -------------------------

The Groups risk management objective is to manage the market
risk, credit risk and liquidity risk related to its operating activities. The Group identifies, measures and manages the aforementioned risks based on policy and risk appetite.

The Group has established appropriate policies, procedures and internal controls for financial risk management. Before entering into
significant financial transactions, due approval process by the Board of Directors must be carried out based on related protocols and internal control procedures. The Group complies with its financial risk management policies at all times.



| | (a) | Market risk
| | --- | -----------

Market risk is the risk that the fair value or future cash flows of a financial
instrument will fluctuate because of changes in market prices. Market risks comprise foreign currency risk, interest rate risk, and other price risk (such as equity price risk).



| | i) | Foreign currency risk
| | -- | ---------------------

The Groups exposure to the risk of changes in foreign exchange
rates relates primarily to the Groups operating activities (when revenue or expense is denominated in a different currency from the Groups functional currency) and the Groups net investments in foreign subsidiaries.

The Group applies natural hedges from using account receivables and account payables denominated in the same currency. However, this natural
hedge does not concur with the requirement for hedge accounting. Furthermore, as net investments in foreign subsidiaries are for strategic purposes, they are not hedged by the Group.

The Groups foreign currency exposure gives rise to market risks associated with exchange rate movements against the NT dollar for cash,
cash equivalent, account receivables, other receivables, bank loans, account payables and other payables.





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ChipMOS TECHNOLOGIES INC. AND SUBSIDIARIES

Notes to the Consolidated Financial Statements (Continued)

December 31, 2014, 2015 and 2016







|36. | Financial risk management and fair values of financial instruments (continued)
|--- | ------------------------------------------------------------------------------



| | a) | Financial risk management (continued)
| | -- | -------------------------------------



| | (a) | Market risk (continued)
| | --- | -----------------------



| | i) | Foreign currency risk (continued)
| | -- | ---------------------------------

The Groups businesses involve some non-functional currency operations. The information on the assets and liabilities denominated in foreign currencies whose values would be materially affected by the exchange rate fluctuations is as follows:



|                      |  |                   |           |  |               |  |         |                         |  |  |           | 
|--------------------- |  | ----------------- | --------- |  | ------------- |  | ------- | ----------------------- |  |  | --------- | 
|                      |  | December 31, 2015 |          
|                      |  | Foreigncurrency   |           |  | Exchange rate |  |         | Carrying amount(NT$000) | 
|Financial assets      |  |                   |           |  |               |  |         |                         |  |  |           | 
|Monetary items        |  |                   |           |  |               |  |         |                         |  |  |           | 
|US$000                |  |                   | 228,790   |  |               |  | 32.8250 |                         |  |  | 7,510,032 | 
|JPY000                |  |                   | 1,335,293 |  |               |  | 0.2727  |                         |  |  | 364,134   | 
|Financial liabilities |  |                   |           |  |               |  |         |                         |  |  |           | 
|Monetary items        |  |                   |           |  |               |  |         |                         |  |  |           | 
|US$000                |  |                   | 46,357    |  |               |  | 32.8250 |                         |  |  | 1,521,669 | 
|JPY000                |  |                   | 849,513   |  |               |  | 0.2727  |                         |  |  | 231,662   | 
|                      | 
|                      |  | December 31, 2016 |          
|                      |  | Foreigncurrency   |           |  | Exchange rate |  |         | Carrying amount(NT$000) | 
|Financial assets      |  |                   |           |  |               |  |         |                         |  |  |           | 
|Monetary items        |  |                   |           |  |               |  |         |                         |  |  |           | 
|US$000                |  |                   | 178,201   |  |               |  | 32.2500 |                         |  |  | 5,746,982 | 
|JPY000                |  |                   | 1,328,417 |  |               |  | 0.2756  |                         |  |  | 366,112   | 
|Financial liabilities |  |                   |           |  |               |  |         |                         |  |  |           | 
|Monetary items        |  |                   |           |  |               |  |         |                         |  |  |           | 
|US$000                |  |                   | 7,802     |  |               |  | 32.2500 |                         |  |  | 251,615   | 
|JPY000                |  |                   | 550,456   |  |               |  | 0.2756  |                         |  |  | 151,706   | 

The total exchange gain and the total exchange loss recognized include realized and unrealized gain and loss
arising from significant foreign exchange variation on the monetary items held by the Group for the year ended December 31, 2015 and 2016 amounted to gain of NT$241,983 thousand and loss of NT$195,326 thousand (US$6,028 thousand),
respectively.

The total exchange gain and the total exchange loss recognized include realized and unrealized gain and loss arising from
significant foreign exchange variation on the monetary items held by the discontinued operation for the year ended December 31, 2015 and 2016 amounted to gain of NT$18,519 thousand and gain of NT$ 21,893 thousand (US$676 thousand),
respectively.





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ChipMOS TECHNOLOGIES INC. AND SUBSIDIARIES

Notes to the Consolidated Financial Statements (Continued)

December 31, 2014, 2015 and 2016







|36. | Financial risk management and fair values of financial instruments (continued)
|--- | ------------------------------------------------------------------------------



| | a) | Financial risk management (continued)
| | -- | -------------------------------------



| | (a) | Market risk (continued)
| | --- | -----------------------



| | i) | Foreign currency risk (continued)
| | -- | ---------------------------------

The following table details the Groups exposure at
the end of the reporting period to currency risk arising from recognized monetary assets or liabilities denominated in a currency other than the functional currency of the entity to which they relate.



|                      |  |                        |   |   |                          |  |         |                          |  |  |         | 
|--------------------- |  | ---------------------- | - | - | ------------------------ |  | ------- | ------------------------ |  |  | ------- | 
|                      |  | December 31, 2015      |  
|                      |  | Change inexchange rate |   |   | Effect on profit(NT$000) |  |         | Effect on equity(NT$000) | 
|Financial assets      |  |                        |   |   |                          |  |         |                          |  |  |         | 
|US$000                |  |                        | 5 | % |                          |  | 375,502 |                          |  |  | 375,502 | 
|JPY000                |  |                        | 5 | % |                          |  | 18,207  |                          |  |  | 18,207  | 
|Financial liabilities |  |                        |   |   |                          |  |         |                          |  |  |         | 
|US$000                |  |                        | 5 | % |                          |  | 76,083  |                          |  |  | 76,083  | 
|JPY000                |  |                        | 5 | % |                          |  | 11,583  |                          |  |  | 11,583  | 



|                      |  |                        |   |   |                          |  |         |                          |  |  |         | 
|--------------------- |  | ---------------------- | - | - | ------------------------ |  | ------- | ------------------------ |  |  | ------- | 
|                      |  | December 31, 2016      |  
|                      |  | Change inexchange rate |   |   | Effect on profit(NT$000) |  |         | Effect on equity(NT$000) | 
|Financial assets      |  |                        |   |   |                          |  |         |                          |  |  |         | 
|US$000                |  |                        | 5 | % |                          |  | 287,349 |                          |  |  | 287,349 | 
|JPY000                |  |                        | 5 | % |                          |  | 18,306  |                          |  |  | 18,306  | 
|Financial liabilities |  |                        |   |   |                          |  |         |                          |  |  |         | 
|US$000                |  |                        | 5 | % |                          |  | 12,581  |                          |  |  | 12,581  | 
|JPY000                |  |                        | 5 | % |                          |  | 7,585   |                          |  |  | 7,585   | 



| | ii) | Interest rate risk
| | --- | ------------------

Interest rate risk is the risk that the fair value or future cash flows of
a financial instrument will fluctuate because of changes in market interest rates. The Groups exposure to the risk of changes in market interest rates relates primarily to the Groups bank loans with floating interest rates.

The Group manages its interest rate risk by having a balanced portfolio of fixed and variable rate bank loans.

At December 31, 2016, it is estimated that a general increase or decrease of 100 basis points (1%) in interest rates, with all other
variables held constant, would decrease or increase the Groups profit and equity by approximately NT$108,000 thousand (US$3,333 thousand) (2015: NT$77,089 thousand).





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##### Table of Contents

ChipMOS TECHNOLOGIES INC. AND SUBSIDIARIES

Notes to the Consolidated Financial Statements (Continued)

December 31, 2014, 2015 and 2016







|36. | Financial risk management and fair values of financial instruments (continued)
|--- | ------------------------------------------------------------------------------



| | a) | Financial risk management (continued)
| | -- | -------------------------------------



| | (a) | Market risk (continued)
| | --- | -----------------------



| | iii) | Equity price risk
| | ---- | -----------------

The Group is exposed to equity price risk through its investments in listed
equity securities classified as financial assets at fair value through profit or loss. The Group manages this exposure by maintaining a portfolio of investments with different risk and return profiles. At the reporting date, no aforesaid equity
security was held and no sensitivity analysis was disclosed.



| | (b) | Credit risk
| | --- | -----------

Credit risk is the risk that a counterparty will not meet its obligations under a
financial instrument or customer contract, leading to a financial loss. The Group is exposed to credit risk from its operating activities (primarily accounts and other receivables) and from its financing activities (primarily deposits with banks and
financial instruments).

Each business unit performs ongoing credit evaluation of the debtors financial condition according to the
Groups established policy, procedures and control relating to customer credit risk management. The Group maintains an account for allowance for doubtful receivables based upon the available facts and circumstances, historical collection and write-off experiences of all trade and other receivables which consequently minimizes the Groups exposure to bad debts.

The Group has four customers that had balances greater than ten percent of total notes and accounts receivable as of December 31, 2015
and 2016, respectively, as detailed in the below table. The credit concentration risk of other notes and accounts receivable is insignificant.



|           |  |                  |     |  |                  |  |     | 
|---------- |  | ---------------- | --- |  | ---------------- |  | --- | 
|Customers  |  | December 31,2015 |     |  | December 31,2016 | 
|Customer I |  |                  | 12% |  |                  |  | 10% | 
|Customer A |  |                  | 18% |  |                  |  | 20% | 
|Customer C |  |                  | 12% |  |                  |  | 11% | 
|Customer K |  |                  | 12% |  |                  |  | 12% | 

Credit risk from balances with banks and financial institutions is managed by the Groups finance unit
in accordance with the Groups policy. Bank balances are held with financial institutions of good standing. The Groups exposure to credit risk arising from the default of counter-parties is limited to the carrying amount of these
instruments.





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ChipMOS TECHNOLOGIES INC. AND SUBSIDIARIES

Notes to the Consolidated Financial Statements (Continued)

December 31, 2014, 2015 and 2016







|36. | Financial risk management and fair values of financial instruments (continued)
|--- | ------------------------------------------------------------------------------



| | a) | Financial risk management (continued)
| | -- | -------------------------------------



| | (c) | Liquidity risk
| | --- | --------------

Liquidity risk is the risk that the Group will encounter difficulty in raising
funds to meet commitments associated with financial instruments. The Group monitors and maintains adequate cash and banking facilities to finance the Groups operations. See Notes 23 and 27 about the unused credit lines of the Group.

The maturity profile of the Groups non-derivative financial liabilities as of December 31,
2015 and 2016 based on the contracted undiscounted payments is as follows:



|                                                                     |  |                   |           |  |              |  |           |           |  |  |        |  |  |  |            | 
|-------------------------------------------------------------------- |  | ----------------- | --------- |  | ------------ |  | --------- | --------- |  |  | ------ |  |  |  | ---------- | 
|                                                                     |  | December 31, 2015 |          
|                                                                     |  | £1 year           |           |  | 2 to 5 years |  |           | > 5 years |  |  | Total  | 
|                                                                     |  | NT$000            |           |  | NT$000       |  |           | NT$000    |  |  | NT$000 | 
|Long-term bank loans (including current portion)                     |  |                   | 1,658,830 |  |              |  | 5,133,962 |           |  |  |       |  |  |  | 6,792,792  | 
|Accounts payable and payables to contractors and equipment suppliers |  |                   | 1,232,442 |  |              |  |          |           |  |  |       |  |  |  | 1,232,442  | 
|Other payables                                                       |  |                   | 1,868,698 |  |              |  |          |           |  |  |       |  |  |  | 1,868,698  | 
|Short-term bank loans                                                |  |                   | 1,151,040 |  |              |  |          |           |  |  |       |  |  |  | 1,151,040  | 
|Guarantee deposits                                                   |  |                   |          |  |              |  |          |           |  |  | 2,099  |  |  |  | 2,099      | 
|                                                                     |  |                   |           |  |              |  |           |           |  |  |        |  |  |  |            | 
|                                                                     |  |                   | 5,911,010 |  |              |  | 5,133,962 |           |  |  | 2,099  |  |  |  | 11,047,071 | 
|                                                                     |  |                   |           |  |              |  |           |           |  |  |        |  |  |  |            | 



|                                                                     |  |                   |           |  |              |  |            |           |  |  |        |  |  |        |            |  |  |  |         | 
|-------------------------------------------------------------------- |  | ----------------- | --------- |  | ------------ |  | ---------- | --------- |  |  | ------ |  |  | ------ | ---------- |  |  |  | ------- | 
|                                                                     |  | December 31, 2016 |          
|                                                                     |  | £1 year           |           |  | 2 to 5 years |  |            | > 5 years |  |  | Total  |  |  | Total  |           
|                                                                     |  | NT$000            |           |  | NT$000       |  |            | NT$000    |  |  | NT$000 |  |  | US$000 |           
|Long-term bank loans (including current portion)                     |  |                   | 1,272,266 |  |              |  | 10,110,289 |           |  |  |       |  |  |        | 11,382,555 |  |  |  | 351,314 | 
|Accounts payable and payables to contractors and equipment suppliers |  |                   | 1,375,408 |  |              |  |           |           |  |  |       |  |  |        | 1,375,408  |  |  |  | 42,451  | 
|Other payables                                                       |  |                   | 1,412,054 |  |              |  |           |           |  |  |       |  |  |        | 1,412,054  |  |  |  | 43,582  | 
|Lease payable                                                        |  |                   | 12,000    |  |              |  | 30,000     |           |  |  |       |  |  |        | 42,000     |  |  |  | 1,296   | 
|Guarantee deposits                                                   |  |                   |          |  |              |  |           |           |  |  | 1,404  |  |  |        | 1,404      |  |  |  | 43      | 
|                                                                     |  |                   |           |  |              |  |            |           |  |  |        |  |  |        |            |  |  |  |         | 
|                                                                     |  |                   | 4,071,728 |  |              |  | 10,140,289 |           |  |  | 1,404  |  |  |        | 14,213,421 |  |  |  | 438,686 | 
|                                                                     |  |                   |           |  |              |  |            |           |  |  |        |  |  |        |            |  |  |  |         | 



| | b) | Fair values of financial instruments
| | -- | ------------------------------------

The notional amounts of financial assets and financial
liabilities are assumed to approximate their fair values.





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ChipMOS TECHNOLOGIES INC. AND SUBSIDIARIES

Notes to the Consolidated Financial Statements (Continued)

December 31, 2014, 2015 and 2016







|37. | Share-based payments
|--- | --------------------

Stock option plan

The former parent company of the Group, ChipMOS Bermuda adopted three option plans in 2001, 2006 and 2011 which have 2,250,000, 1,750,000 and
1,000,000 shares available for issuance, respectively. The stock option plans provide that the directors, officers, employees and consultants of ChipMOS Bermuda and its affiliates may be granted options to purchase ordinary shares of ChipMOS Bermuda
at specified exercise prices.

The following table illustrates the number and weighted average exercise prices (WAEP) of, and
movements in, share options during the periods indicated:



|                                           |  |                   |           |   |         |  |       |                                 |  |  |           |   |  |  |       | 
|------------------------------------------ |  | ----------------- | --------- | - | ------- |  | ----- | ------------------------------- |  |  | --------- | - |  |  | ----- | 
|                                           |  | 2015              |           |   | 2015    |  |       | Ten monthsended October30, 2016 |  |  | 2016      |  
|                                           |  | Number of
options |           |   | WAEPUS$ |  |       | Number ofoptions                |  |  | WAEPUS$   |  
|Outstanding at the beginning of the period |  |                   | 1,300,416 |   |         |  | 12.57 |                                 |  |  | 1,062,250 |   |  |  | 13.57 | 
|Granted during the period                  |  |                   | 42,496    |   |         |  | 19.91 |                                 |  |  |          |   |  |  |      | 
|Forfeited during the period                |  |                   | (59,751   | ) |         |  | 16.33 |                                 |  |  | (25,084   | ) |  |  | 15.35 | 
|Exercised during the period                |  |                   | (220,911  | ) |         |  | 8.15  |                                 |  |  | (97,715   | ) |  |  | 7.21  | 
|Expired during the period                  |  |                   |          |   |         |  |      |                                 |  |  | (49,500   | ) |  |  | 20.57 | 
|Early settled during the period            |  |                   |          |   |         |  |      |                                 |  |  | (889,951  | ) |  |  | 13.83 | 
|                                           |  |                   |           |   |         |  |       |                                 |  |  |           |   |  |  |       | 
|Outstanding at the end of the period       |  |                   | 1,062,250 |   |         |  | 13.57 |                                 |  |  |          |   |  |  |      | 
|                                           |  |                   |           |   |         |  |       |                                 |  |  |           |   |  |  |       | 
|Exercisable at the end of the period       |  |                   | 601,252   |   |         |  | 11.74 |                                 |  |  |          |   |  |  |      | 
|                                           |  |                   |           |   |         |  |       |                                 |  |  |           |   |  |  |       | 

The weighted average share price at the date of exercise of these options exercised in 2016 was US$18.10
(2015: US$26.02).

The weighted average remaining contractual life for the share options outstanding as of December 31, 2016 was nil
(2015: 3.62 years).

The weighted average fair value of options granted during 2016 was nil (2015: US$17.17).

The range of exercise prices for options outstanding at the end of 2016 was nil (2015: US$2.55~21.488).

The following tables list the inputs to the Black-Scholes Option Pricing Model used for the option plans for the years ended December 31,
2015 and 2016, respectively.



|                        |  |      |               |  |      |  |                | 
|----------------------- |  | ---- | ------------- |  | ---- |  | -------------- | 
|                        |  | 2015 |               |  | 2016 | 
|Dividend yield          |  |      | 0~1.33%       |  |      |  | Not applicable | 
|Expected volatility     |  |      | 92.80~192.61% |  |      |  | Not applicable | 
|Risk-free interest rate |  |      | 0.3725~3.00%  |  |      |  | Not applicable | 
|Expected life           |  |      | 3.5~5.5 years |  |      |  | Not applicable | 





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ChipMOS TECHNOLOGIES INC. AND SUBSIDIARIES

Notes to the Consolidated Financial Statements (Continued)

December 31, 2014, 2015 and 2016







|37. | Share-based payments (continued)
|--- | --------------------------------

Share appreciation rights
(SARs)

The former parent company of the Group, ChipMOS Bermuda adopted three SARs plans in 2006, 2008 and 2013 which have
500,000, 750,000 and 1,000,000 rights available for issuance, respectively. The SARs plans provide that the directors, officers and employees of ChipMOS Bermuda and its affiliates may be granted cash-settled share appreciation rights.

The carrying amount of the liability relating the SARs at December 31, 2016 was nil (2015: NT$135,145 thousand).

The following table illustrates the number and WAEP of, and movements in, SARs during the periods indicated:



|                                           |  |                  |          |   |          |  |       |                                 |  |  |          |   |  |  |       | 
|------------------------------------------ |  | ---------------- | -------- | - | -------- |  | ----- | ------------------------------- |  |  | -------- | - |  |  | ----- | 
|                                           |  | 2015             |          |   | 2015     |  |       | Ten monthsended October 30,2016 |  |  | 2016     |  
|                                           |  | Number of
rights |          |   | WAEP
US$ |  |       | Number of
rights                |  |  | WAEPUS$  |  
|Outstanding at the beginning of the period |  |                  | 683,845  |   |          |  | 11.91 |                                 |  |  | 588,596  |   |  |  | 14.07 | 
|Granted during the period                  |  |                  | 124,510  |   |          |  | 19.27 |                                 |  |  | 37,500   |   |  |  | 19.55 | 
|Forfeited during the period                |  |                  | (36,290  | ) |          |  | 14.88 |                                 |  |  | (9,785   | ) |  |  | 15.16 | 
|Exercised during the period                |  |                  | (180,358 | ) |          |  | 9.48  |                                 |  |  | (123,033 | ) |  |  | 11.26 | 
|Expired during the period                  |  |                  | (3,111   | ) |          |  | 2.55  |                                 |  |  |         |   |  |  |      | 
|Early settled during the period            |  |                  |         |   |          |  |      |                                 |  |  | (493,278 | ) |  |  | 15.17 | 
|                                           |  |                  |          |   |          |  |       |                                 |  |  |          |   |  |  |       | 
|Outstanding at the end of the period       |  |                  | 588,596  |   |          |  | 14.07 |                                 |  |  |         |   |  |  |      | 
|                                           |  |                  |          |   |          |  |       |                                 |  |  |          |   |  |  |       | 
|Exercisable at the end of the period       |  |                  | 206,833  |   |          |  | 10.69 |                                 |  |  |         |   |  |  |      | 
|                                           |  |                  |          |   |          |  |       |                                 |  |  |          |   |  |  |       | 

The weighted average share price at the date of exercise of these SARs exercised in 2016 was US$19.18 (2015:
US$21.6).

The weighted average remaining contractual life for the SARs outstanding as of December 31, 2016 was nil (2015: 3.76
years).

The weighted average fair value of SARs granted during 2016 was US$1.34 (2015: US$11.08).

The range of exercise prices for SARs outstanding at the end of 2016 was nil (2015: US$3.06~20.3405).





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ChipMOS TECHNOLOGIES INC. AND SUBSIDIARIES

Notes to the Consolidated Financial Statements (Continued)

December 31, 2014, 2015 and 2016







|37. | Share-based payments (continued)
|--- | --------------------------------

Restricted Shares

On November 12, 2014, The Board of Directors of the Company approved 2014 Restricted Stock Award Agreement which has 17,300 thousand
restricted shares available for issuance. The par value and granting price of the restricted shares were NT$10 and zero, respectively. The issuance of the restricted shares was approved by the Special General Meeting of the Shareholders of the
Company on December 30, 2014 and approved by the Financial Supervisory Commission R.O.C. (Taiwan) on June 30, 2015.

On
July 14, 2015 and April 18, 2016, the Board of Directors of the Company approved to set July 21, 2015 and May 10, 2016 as the Record Date of the issuance of 15,752 thousand and 1,548 thousand restricted shares.

When the employees of ChipMOS Taiwan accomplished the following years of service and performance conditions, the received restricted shares
will be vested based on the vesting ratio.



|                                                            |  |                                |  |                                 |  |                                  
|----------------------------------------------------------- |  | ------------------------------ |  | ------------------------------- |  | ---------------------------------
|                                                            |  | The 1st year                   |  | The 2nd year                    |  | The 3rd year                     
|Years of service following the receipt of restricted shares |  | Continuous servicefor one year |  | Continuous servicefor two years |  | Continuous servicefor three years
|Grade of performance appraisal                              |  | >=B+                           |  | >=B+                            |  | >=B+                             
|Compliance of terms agreed by the staff and the Company     |  | No violation                   |  | No violation                    |  | No violation                     
|Vesting ratio of numbers of restricted shares received      |  | 30%                            |  | 30%                             |  | 40%                              

During 2015 and 2016, the Group recognized NT$207,242 thousand and NT$356,463 thousand (US$11,002
thousand), respectively, compensation expenses in respect of the transactions of share-based payments.



|38. | Capital management
|--- | ------------------

The Group manages its capital to ensure that entities in the
Group will be able to continue as a going concern while maximizing the return to shareholders through the optimization of the balance between debt and equity.

The Group reviews the capital structure on an ongoing basis. As part of this review, the directors consider the cost of capital and the risks
associated with each class of capital. The Group will balance its overall capital structure through the payment of dividends, new share issues and the issue of new debt or the repayment of existing debt.

The Groups overall strategy remains unchanged from 2015.

The Group monitors capital using the liabilities to assets ratio, the percentages of which as of December 31, 2015 and 2016 were as
follows:



|                            |  |                   |            |  |                   |  |            |                   |  |  |         | 
|--------------------------- |  | ----------------- | ---------- |  | ----------------- |  | ---------- | ----------------- |  |  | ------- | 
|                            |  | December 31, 2015 |            |  | December 31, 2016 |  |            | December 31, 2016 | 
|                            |  | NT$000            |            |  | NT$000            |  |            | US$000            | 
|Total liabilities           |  |                   | 11,983,448 |  |                   |  | 15,048,258 |                   |  |  | 464,453 | 
|                            |  |                   |            |  |                   |  |            |                   |  |  |         | 
|Total assets                |  |                   | 33,017,867 |  |                   |  | 31,295,960 |                   |  |  | 965,925 | 
|                            |  |                   |            |  |                   |  |            |                   |  |  |         | 
|Liabilities to assets ratio |  |                   | 36.29%     |  |                   |  | 48.08%     |                   |  |  | 48.08%  | 
|                            |  |                   |            |  |                   |  |            |                   |  |  |         | 

Compared to December 31, 2015, liabilities to assets ratio increased on December 31, 2016 was due to
the increase of the long-term bank loans.





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ChipMOS TECHNOLOGIES INC. AND SUBSIDIARIES

Notes to the Consolidated Financial Statements (Continued)

December 31, 2014, 2015 and 2016







|39. | Event after the reporting periods
|--- | ---------------------------------

On November 30, 2016, the Companys
Board of Directors approved ChipMOS BVI to dispose 54.98% of its equity interest in its subsidiary, ChipMOS Shanghai. The transaction was completed on March 24, 2017. Detailed information is provided in Note 19.



|40. | Approval of the financial statements
|--- | ------------------------------------

These consolidated financial statements
were approved and authorized for issue by the Board of Directors on April 20, 2017.



|41. | Financial Statements Schedule: Valuation and Qualifying Accounts
|--- | ----------------------------------------------------------------



|                                                                                    |  |           |           |  |                            |  |        |                       |  |  |                                                               |   |  |                                |          |   |             |  |            |   |  |  |           | 
|----------------------------------------------------------------------------------- |  | --------- | --------- |  | -------------------------- |  | ------ | --------------------- |  |  | ------------------------------------------------------------- | - |  | ------------------------------ | -------- | - | ----------- |  | ---------- | - |  |  | --------- | 
|                                                                                    |  | January 1 |           |  | Additionscharged toexpense |  |        | Deduction /Write-offs |  |  | Exchangedifference ontranslationsof foreignfinancialstatement |   |  | Non-currentassets heldfor sale |          |   | December 31 | 
|                                                                                    |  | NT$000    |           |  | NT$000                     |  |        | NT$000                |  |  | NT$000                                                        |   |  | NT$000                         |          |   | NT$000      | 
|Year of 2014 :                                                                      |  |           |           |  |                            |  |        |                       |  |  |                                                               |   |  |                                |          |   |             |  |            |   |  |  |           | 
|                                                                                    |  |           |           |  |                            | 
|Allowance for impairment of plant, property and equipment                           |  |           | 2,077,525 |  |                            |  |       |                       |  |  | (35,680                                                       | ) |  |                                | 68,517   |   |             |  |           |   |  |  | 2,110,362 | 
|                                                                                    |  |           |           |  |                            | 
|Allowance for impairment of obsolescence and decline in market value of inventories |  |           | 87,687    |  |                            |  | 459    |                       |  |  | (5,783                                                        | ) |  |                                | 219      |   |             |  |           |   |  |  | 82,582    | 
|Year of 2015 :                                                                      |  |           |           |  |                            |  |        |                       |  |  |                                                               |   |  |                                |          |   |             |  |            |   |  |  |           | 
|                                                                                    |  |           |           |  |                            | 
|Allowance for impairment of plant, property and equipment                           |  |           | 2,110,362 |  |                            |  | 1,478  |                       |  |  | (85,351                                                       | ) |  |                                | (31,774  | ) |             |  |           |   |  |  | 1,994,715 | 
|                                                                                    |  |           |           |  |                            | 
|Allowance for impairment of obsolescence and decline in market value of inventories |  |           | 82,582    |  |                            |  | 12,717 |                       |  |  | (151                                                          | ) |  |                                | (112     | ) |             |  |           |   |  |  | 95,036    | 
|                                                                                    |  |           |           |  |                            | 
|Year of 2016 :                                                                      |  |           |           |  |                            |  |        |                       |  |  |                                                               |   |  |                                |          |   |             |  |            |   |  |  |           | 
|                                                                                    |  |           |           |  |                            | 
|Allowance for impairment of plant, property and equipment                           |  |           | 1,994,715 |  |                            |  | 8,198  |                       |  |  | (45,319                                                       | ) |  |                                | (118,046 | ) |             |  | (1,480,278 | ) |  |  | 359,270   | 
|                                                                                    |  |           |           |  |                            | 
|Allowance for impairment of obsolescence and decline in market value of inventories |  |           | 95,036    |  |                            |  | 66,894 |                       |  |  |                                                              |   |  |                                | (557     | ) |             |  | (6,532     | ) |  |  | 154,841   | 





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