Document:

UNDERWRITING AGREEMENT DATED DECEMBER 13,2007

 EXHIBIT 10.1 
 MEMSIC, Inc. 
 6,000,000 Shares 
 Common Stock 
 (US$0.00001 par value) 
 Underwriting Agreement 
 New York, New York 
 December 13, 2007 
 Citigroup Global Markets Inc. 

As Representative of the several Underwriters 
 named in Schedule I
attached hereto, 
 388 Greenwich Street 
 New York, New York
10013 
 Ladies and Gentlemen: 
 MEMSIC, Inc., a
corporation organized under the laws of the State of Delaware (the “Company”), proposes to sell to the several underwriters named in Schedule I hereto (the “Underwriters”), for whom you (the “Representative”) are acting
as representative, 6,000,000 shares of common stock, US$0.00001 par value (“Common Stock”) of the Company, (said shares to be issued and sold by the Company are hereinafter called the “Underwritten Securities”). The Company
hereto also propose to grant to the Underwriters an option to purchase up to 900,000 additional shares of Common Stock to cover over-allotments, if any (the “Option Securities”; the Option Securities, together with the Underwritten
Securities, being hereinafter called the “Securities”). To the extent there are no additional Underwriters listed on Schedule I other than you, the term Representative as used herein shall mean you, as Underwriter, and the terms
Representative and Underwriter shall mean either the singular or plural as the context requires. The use of the neuter in this Agreement shall include the feminine and masculine wherever appropriate. Certain terms used herein are defined in
Section 20 hereof. 
 1. Representations and Warranties. 
 The Company represents and warrants to, and agrees with, each Underwriter as set forth below in this Section 1. 
 (1) The Company has prepared and filed with the Commission a registration statement (file number 333-146377) on Form S-1, including a
related preliminary prospectus, for registration under the Act of the offering and sale of the Securities. Such Registration Statement, including any amendments thereto filed prior to the Execution Time, has become effective. The Company may have
filed one or more amendments thereto, including a related preliminary prospectus, each of which has previously been 

 
furnished to you. The Company will file with the Commission a final prospectus in accordance with Rule 424(b). As filed, such final prospectus shall contain
all information required by the Act and the rules thereunder and, except to the extent the Representative shall agree in writing to a modification, shall be in all substantive respects in the form furnished to you prior to the Execution Time or, to
the extent not completed at the Execution Time, shall contain only such specific additional information and other changes (beyond that contained in the latest Preliminary Prospectus) as the Company has advised you, prior to the Execution Time, will
be included or made therein. 
 (2) On the Effective Date, the Registration Statement did, and when the Prospectus is first
filed in accordance with Rule 424(b) and on the Closing Date (as defined herein) and on any date on which Option Securities are purchased, if such date is not the Closing Date (a “settlement date”), the Prospectus (and any supplement
thereto) will, comply in all material respects with the applicable requirements of the Act and the rules thereunder; no stop order suspending the effectiveness of the Registration Statement has been issued and no proceeding for that purpose has been
initiated or threatened by the Commission; on the Effective Date and at the Execution Time, the Registration Statement did not and will not contain any untrue statement of a material fact or omit to state any material fact required to be stated
therein or necessary in order to make the statements therein not misleading; and on the date of any filing pursuant to Rule 424(b) and on the Closing Date and any settlement date, the Prospectus (together with any supplement thereto) will not
include any untrue statement of a material fact or omit to state a material fact necessary in order to make the statements therein, in the light of the circumstances under which they were made, not misleading; provided, however, that
the Company make no representations or warranties as to the information contained in or omitted from the Registration Statement, or the Prospectus (or any supplement thereto) in reliance upon and in conformity with information furnished in writing
to the Company by or on behalf of any Underwriter through the Representative specifically for inclusion in the Registration Statement or the Prospectus (or any supplement thereto), it being understood and agreed that the only such information
furnished by any Underwriter consists of the information described as such in Section 8 hereof. 
 (3) No order
preventing or suspending the use of any Preliminary Prospectus or any Issuer Free Writing Prospectus has been issued by the Commission, and each Preliminary Prospectus, at the time of filing thereof, conformed in all material respects to the
requirements of the Act and the rules and regulations of the Commission thereunder, and did not contain an untrue statement of a material fact or omit to state a material fact required to be stated therein or necessary to make the statements
therein, in light of the circumstances under which they were made, not misleading; provided, however, that this representation and warranty shall not apply to any statements or omissions made in reliance upon and in conformity with information
furnished in writing to the Company by an Underwriter through the Representative expressly for use therein. 
 (4) (i) The
Disclosure Package and the price to the public, the number of Underwritten Securities and the number of Option Securities to be included on the cover page of the Prospectus, when taken together as a whole and (ii) each electronic road show

 
when taken together as a whole with the Disclosure Package and the price to the public, the number of Underwritten Securities and the number of Option
Securities to be included on the cover page of the Prospectus, does not contain any untrue statement of a material fact or omit to state any material fact necessary in order to make the statements therein, in the light of the circumstances
under which they were made, not misleading. The preceding sentence does not apply to statements in or omissions from the Disclosure Package based upon and in conformity with written information furnished to the Company by any Underwriter through the
Representative specifically for use therein, it being understood and agreed that the only such information furnished by or on behalf of any Underwriter consists of the information described as such in Section 8 hereof. 
 (5) (i) At the time of filing the Registration Statement and (ii) as of the Execution Time (with such date being used as the
determination date for purposes of this clause (ii)) the Company was not and is not an Ineligible Issuer (as defined in Rule 405), without taking account of any determination by the Commission pursuant to Rule 405 that it is not necessary that the
Company be considered an Ineligible Issuer. 
 (6) A registration statement on Form 8-A (File No.001-33813) in respect of the
registration of the Securities under the U.S. Securities Exchange Act of 1934, as amended (the “Exchange Act”), has been filed with the Commission; such registration statement in the form heretofore delivered to you and, excluding
exhibits, to you for each of the other Underwriters, has been declared effective by the Commission in such form; no other document with respect to such registration statement has heretofore been filed with the Commission; no stop order suspending
the effectiveness of such registration statement has been issued and no proceeding for that purpose has been initiated or threatened by the Commission (the various parts of such registration statement, including all exhibits thereto, each as amended
at the time such part of the registration statement became effective, being hereinafter called the “Form 8-A Registration Statement”); and the Form 8-A Registration Statement when it became effective conformed, and any further amendments
thereto will conform, in all material respects to the requirements of the Exchange Act and the rules and regulations of the Commission thereunder, and did not and will not, as of the applicable effective date, contain an untrue statement of a
material fact or omit to state a material fact required to be stated therein or necessary to make the statements therein not misleading. 
 (7) Each Issuer Free Writing Prospectus does not include any information that conflicts with the information contained in the Registration Statement, including any document incorporated by reference therein that has
not been superseded or modified. The foregoing sentence does not apply to statements in or omissions from any Issuer Free Writing Prospectus based upon and in conformity with written information furnished to the Company by any Underwriter through
the Representative specifically for use therein, it being understood and agreed that the only such information furnished by or on behalf of any Underwriter consists of the information described as such in Section 8 hereof. 
 (8) As of the date of this Agreement, except for Memsic (Wuxi) Semiconductors Ltd. (“the Subsidiary”), the Company has no other
subsidiaries and the Subsidiary does not own or control, directly or indirectly, any equity or other ownership interest in any corporation, partnership, joint venture or any other person. 

 (9) Each of the Company and the Subsidiary has been duly incorporated and is validly
existing as a corporation in good standing under the laws of the jurisdiction in which it is chartered or organized with full corporate power and authority to own or lease, as the case may be, and to operate its properties and conduct its business
as described in the Disclosure Package and the Prospectus, and is duly qualified to do business as a foreign corporation and is in good standing under the laws of each jurisdiction which requires such qualification, except where the failure to be so
qualified would not, individually or in the aggregate, have a material adverse effect on the condition (financial or otherwise), general affairs, management, prospects, results of operations, financial position, business or properties of the Company
and the Subsidiary, taken as a whole (a “Material Adverse Effect”). 
 (10) All the outstanding shares of capital
stock of each of the Company and the Subsidiary have been duly and validly authorized and issued and are fully paid and nonassessable; the Company duly and validly owns the equity interest of the Subsidiary in the percentage set forth in the
Disclosure Package and the Prospectus, free and clear of any perfected security interest or any other security interests, claims, liens or encumbrances. 
 (11) All of the Common Stock issuable upon the mandatory conversion of the outstanding convertible preferred stock as described in the Preliminary Prospectus and the Prospectus have been duly authorized and reserved
for issuance. 
 (12) Each of the Company and the Subsidiary has good and marketable title to all personal property owned by
it, and has good and valid title to all real property or the beneficial interests in and the right to transfer, lease and mortgage the land use rights and building ownership rights over all of the real properties as owned by it, in each case free
and clear of all liens, charges, encumbrances, and defects, except such as do not, individually or in the aggregate, have a Material Adverse Effect; each lease to which any of the Company or the Subsidiary is a party, is legal, valid, binding and
enforceable in accordance with its terms and, to the best of its knowledge, against the other parties thereto, and no default (or event which with notice or lapse of time, or both, would constitute a default) by the Company or the Subsidiary has
occurred and is continuing under any such lease, except such as do not have, individually or in the aggregate, a Material Adverse Effect; the use of any premises occupied by the Company or the Subsidiary is in accordance with that provided for the
lease, land use rights, tenancy, license, concession or agreement of whatsoever nature relating to such occupation and the relevant above entity has observed and performed the terms and conditions thereof on the part of the tenant to be observed and
performed, except such as do not have, individually or in the aggregate, a Material Adverse Effect; and none of the Company and the Subsidiary has received any claim for liabilities in respect of any properties previously occupied by it or in which
it owned or held any interests, including without limitation, leasehold premises assigned, surrendered or otherwise disposed of, except such as do not have, individually or in the aggregate, a Material Adverse Effect. 

 (13) Except as described in the Registration Statement (excluding the exhibits thereto),
the Disclosure Package and the Prospectus, (A) no person has any preemptive rights, resale rights, rights of first refusal or other rights to purchase any of the Securities; and (B) no person has the right to act as an underwriter or as a
financial advisor to the Company in connection with the offer and sale of the Securities. 
 (14) Except as disclosed in the
Disclosure Package and the Prospectus, there are no contracts, agreements or understandings between the Company and any person granting such person the right to require the Company to file a registration statement under the Act with respect to any
securities of the Company owned or to be owned by such person or to require the Company to include such securities in the securities registered pursuant to the Registration Statement, or in any securities being registered pursuant to any other
registration statement filed by the Company under the Act. 
 (15) The Securities to be issued and sold by the Company to the
Underwriters hereunder have been duly and validly authorized and, when issued and delivered against payment therefor as provided herein, will be duly and validly issued and fully paid and non-assessable and will conform in all material respects to
the description of the Common Stock contained in the Registration Statement, the Disclosure Package, the Preliminary Prospectus and the Prospectus. 
 (16) There is no franchise, contract or other document of a character required to be described in the Registration Statement or Prospectus, or to be filed as an exhibit thereto, which is not described or filed as
required (and the Preliminary Prospectus contains in all material respects the same description of the foregoing matters contained in the Prospectus); and the statements in the Preliminary Prospectus and the Prospectus under the headings “Risk
Factors”, “Business”, “Regulations”, “Compensation Discussion and Analysis”, “Certain Relationships and Related Party Transactions”, “Description of Capital Stock”, “Shares Eligible For
Future Sale”, “United States Federal Income Tax Consequences to Non-United States Stockholders” and “Underwriting”, insofar as such statements summarize legal matters, agreements, documents or proceedings discussed therein,
are accurate and fair summaries of such legal matters, agreements, documents or proceedings. 
 (17) None of the Company and
the Subsidiary has sent or received any communication regarding termination of, or intent not to renew, any of the contracts or agreements referred to or described in the Disclosure Package or the Prospectus, or referred to or described in, or filed
as an exhibit to, the Registration Statement, and no such termination or non-renewal has been threatened by the Company or any of its subsidiaries or, to the Company’s knowledge after due inquiry, any other party to any such contract or
agreement; 
 (18) The Company is not and, after giving effect to the offering and sale of the Securities and the application
of the proceeds thereof as described in the Disclosure Package and the Prospectus, will not be an “investment company” as defined in the Investment Company Act of 1940, as amended. 

 (19) No consent, approval, authorization, filing with or order of any court or
governmental agency or body is required in connection with the transactions contemplated herein, except such as have been obtained under the Act or under the rules of FINRA and such as may be required under the blue sky laws of any jurisdiction in
connection with the purchase and distribution of the Securities by the Underwriters in the manner contemplated herein and in the Disclosure Package and the Prospectus. 
 (20) Except as described in the Registration Statement, the Preliminary Prospectus and Prospectus, the Company has not sold, issued or
distributed any shares during the six-month period preceding the date hereof, including any sales pursuant to Rule 144A, Regulation D or Regulation S promulgated under the Act, other than shares issued pursuant to employee benefit plans, qualified
share option plans or other employee compensation plans or pursuant to outstanding options, rights or warrants; 
 (21)
Neither the issue and sale of the Securities nor the consummation of any other of the transactions herein contemplated nor the fulfillment of the terms hereof nor the application of the net proceeds from the sale of the securities will conflict
with, result in a breach or violation of, or imposition of any lien, charge or encumbrance upon any property or assets of the Company or the Subsidiary pursuant to, (i) the charter or by-laws of the Company or the Subsidiary, (ii) the
terms of any indenture, contract, lease, mortgage, deed of trust, note agreement, loan agreement or other agreement, obligation, condition, covenant or instrument to which the Company or the Subsidiary is a party or bound or to which its or their
property is subject, except where such conflict, breach or violation would not reasonably be expected to have a Material Adverse Effect, or (iii) any statute, law, rule, regulation, judgment, order or decree applicable to the Company or the
Subsidiary of any court, regulatory body, administrative agency, governmental body, arbitrator or other authority having jurisdiction over the Company or the Subsidiary or any of its or their properties. 
 (22) The Securities have been approved for listing on the Nasdaq Global Market, subject to notice of issuance. 
 (23) Neither the Company nor the Subsidiary is engaged in any trading activities involving commodity contracts or other trading contracts
which are not currently traded on a securities or commodities exchange and for which the market value cannot be determined. 
 (24) This Agreement has been duly authorized, executed and delivered by the Company. 
 (25) No stamp or other
issuance or transfer taxes or duties and no capital gains, income, withholding or other taxes are payable by or on behalf of the Underwriters to the government of the United States or the People’s Republic of China, or any political subdivision
or taxing authority thereof or therein in connection with: (A) the execution and delivery of this Agreement, (B) the sale and delivery by the Company of the Securities to or for the respective accounts of the several Underwriters, or
(C) the sale and delivery by the Underwriters of the Securities to the initial purchasers thereof in the manner contemplated by this Agreement. 

 (26) The consolidated historical financial statements and schedules of the Company and
the Subsidiary included in the Preliminary Prospectus, the Prospectus, the Disclosure Package, and the Registration Statement present fairly the financial condition, results of operations and cash flows of the Company as of the dates and for the
periods indicated, comply as to form with the applicable accounting requirements of the Act and have been prepared in conformity with generally accepted accounting principles applied on a consistent basis throughout the periods involved (except as
otherwise noted therein). The selected financial data set forth under the caption “Selected Consolidated Financial Information” in the Preliminary Prospectus, the Prospectus, the Disclosure Package and Registration Statement fairly present
in all material respects, on the basis stated in the Preliminary Prospectus, the Prospectus, the Disclosure Package and the Registration Statement, the information included therein. The pro forma financial statements included in the Preliminary
Prospectus, the Prospectus, the Disclosure Package and the Registration Statement include assumptions that provide a reasonable basis for presenting the significant effects directly attributable to the transactions and events described therein, the
related pro forma adjustments give appropriate effect to those assumptions, and the pro forma adjustments reflect the proper application of those adjustments to the historical financial statement amounts in the pro forma financial statements
included in the Preliminary Prospectus, the Prospectus, the Disclosure Package and the Registration Statement. The pro forma financial statements included in the Preliminary Prospectus, the Prospectus, the Disclosure Package and the Registration
Statement comply as to form in all material respects with the applicable accounting requirements under the Act and the pro forma adjustments have been properly applied to the historical amounts in the compilation of those statements. 
 (27) No action, suit or proceeding by or before any court or governmental agency, authority or body or any arbitrator involving the
Company or the Subsidiary or its or their property is pending or, to the best knowledge of the Company, threatened that could reasonably be expected to have (i) a Material Adverse Effect, or (ii) a material adverse effect on the
performance of this Agreement or the consummation of any of the transactions contemplated hereby, except as set forth in or contemplated in the Disclosure Package and the Prospectus. 
 (28) Each of the Company and the Subsidiary owns or leases all such properties as are necessary to the conduct of its operations as
presently conducted, except such as would not reasonably be expected to have, individually or in the aggregate, a Material Adverse Effect. 
 (29) Neither the Company nor the Subsidiary is in violation or default of (i) any provision of its charter or bylaws, (ii) the terms of any indenture, contract, lease, mortgage, deed of trust, note
agreement, loan agreement or other agreement, obligation, condition, covenant or instrument to which it is a party or bound or to which its property is subject, or (iii) any statute, law, rule, regulation, judgment, order or decree of any
court, regulatory body, administrative agency, governmental body, arbitrator or other 

 
authority having jurisdiction over the Company or such Subsidiary or any of their respective properties, as applicable, except in the case of clauses
(ii) and (iii), for such violations or defaults as would not reasonably be expected to have a Material Adverse Effect. 
 (30) Ernst & Young LLP, who have certified certain financial statements of the Company and the Subsidiary and delivered their report with respect to the audited consolidated financial statements and schedules included in the
Disclosure Package and the Prospectus, are independent public accountants with respect to the Company within the meaning of the Act and the applicable published rules and regulations thereunder. 
 (31) Except as described in the Disclosure Package and the Prospectus, no material indebtedness (actual or contingent) and no material
contract or arrangement is outstanding between the Company or the Subsidiary and any director or executive officer of the Company or the Subsidiary or any person connected with such director or executive officer (including his/her spouse, children,
any company or undertaking in which he/she holds a controlling interest); and there are no material relationships or transactions between the Company or the Subsidiary on the one hand and its affiliates, officers and directors or their stockholders,
customers or suppliers on the other hand except as disclosed in the Disclosure Package and the Prospectus. 
 (32) The Company
has filed all tax returns that are required to be filed or has requested extensions thereof (except in any case in which the failure so to file would not have a Material Adverse Effect, and has paid all taxes required to be paid by it and any other
assessment, fine or penalty levied against it, to the extent that any of the foregoing is due and payable, except for such non-compliance as would not reasonably be expected to have a Material Adverse Effect. 
 (33) No labor problem or dispute with the employees of the Company or the Subsidiary exists or is threatened or imminent, except for such
problems or disputes which could not reasonably be expected to have a Material Adverse Effect, and the Company is not aware of any existing or imminent labor disturbance by the employees of any of its or the Subsidiary’s principal suppliers,
contractors or customers, that could have a Material Adverse Effect. 
 (34) The Company has provided or made available to you
true, correct, and complete copies of all documentation pertaining to any extension of credit in the form of a personal loan made, directly or indirectly, by the Company or the Subsidiary to any director or executive officer of the Company or the
Subsidiary; and except as described in the Registration Statement, the Disclosure Package and the Prospectus, none of the Company or the Subsidiary has, directly or indirectly, (A) extended credit, arranged to extend credit, or renewed any
extension of credit, in the form of a personal loan, to or for any director or executive officer of the Company or the Subsidiary, or to or for any family member or affiliate of any director or executive officer of the Company or the Subsidiary; or
(B) made any material modification, including any renewal thereof, to any term of any personal loan to any director or executive officer of the Company or the Subsidiary, or any family member or affiliate of any director or executive officer,
which loan was outstanding on December 31, 2006, that (x) is outstanding on the date hereof and (y) constitutes a violation of any applicable law or regulation. 

 (35) Any statistical and market-related data included in the Disclosure Package and the
Prospectus are based on or derived from sources that the Company believes to be reliable and accurate, and the Company has obtained the written consent for the use of such data from such sources to the extent required. 
 (36) There are no contracts, agreements or understandings between the Company and any person that would give rise to a valid claim against
the Company or any Underwriter for a brokerage commission, finder’s fee or other like payment in connection with the issuance and sale of the Securities. 
 (37) Each of the Company and the Subsidiary are insured by insurers of recognized financial responsibility against such losses and risks
and in such amounts as are prudent and customary in the businesses in which they are engaged; all policies of insurance insuring the Company or the Subsidiary or their respective businesses, assets, employees, officers and directors are in full
force and effect; the Company and the Subsidiary are in compliance with the terms of such policies and instruments in all material respects; and there are no claims by the Company or the Subsidiary under any such policy or instrument as to which any
insurance company is denying liability or defending under a reservation of rights clause, except for such claims the denial of which would not reasonably be expected to have a Material Adverse Effect; neither the Company nor the Subsidiary has been
refused any insurance coverage sought or applied for; and neither the Company nor the Subsidiary has any reason to believe that it will not be able to renew its existing insurance coverage as and when such coverage expires or to obtain similar
coverage from similar insurers as may be necessary to continue its business at a cost that would not have a Material Adverse Effect. 
 (38) There is currently no prohibition on the Subsidiary, directly or indirectly, from paying any dividends to the Company, from making any other distribution on the Subsidiary’s capital stock, from repaying to the Company any loans or
advances to the Subsidiary from the Company or from transferring the Subsidiary’s property or assets to the Company, except as described in or contemplated by the Disclosure Package and the Prospectus (exclusive of any supplement thereto).

 (39) The Company and the Subsidiary possess all licenses, certificates, permits and other authorizations issued by all
applicable authorities necessary to conduct their respective businesses, except as could not reasonably be expected to have a Material Adverse Effect, and neither the Company nor the Subsidiary has received any notice of proceedings relating to the
revocation or modification of any such certificate, authorization or permit which, singly or in the aggregate, if the subject of an unfavorable decision, ruling or finding, could reasonably be expected to have a Material Adverse Effect. 

(40) Each of the Company and the Subsidiary maintains a system of internal accounting controls sufficient to provide reasonable
assurance that (i) transactions are 

 
executed in accordance with management’s general or specific authorizations; (ii) transactions are recorded as necessary to permit preparation of
financial statements in conformity with generally accepted accounting principles and to maintain asset accountability; (iii) access to assets is permitted only in accordance with management’s general or specific authorization; and
(iv) the recorded accountability for assets is compared with the existing assets at reasonable intervals and appropriate action is taken with respect to any differences. The Company’s and the Subsidiary’s internal controls over
financial reporting are effective and the Company and the Subsidiary are not aware of any material weakness in their internal controls over financial reporting. 
 (41) The Company and the Subsidiary maintain internal control over financial reporting (as such term is defined in Rule 13a-15(f) under
the Exchange Act); such disclosure controls and procedures are effective, comply with the requirements of the Exchange Act and have been designed by the Company’s principal executive officer and principal financial officer, or under their
supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with US GAAP; all material weaknesses, if any, in internal controls have
been identified to the Company’s independent auditors; since the date of the latest audited financial statements included in the Disclosure Package and the Prospectus, there has been no change in the Company’s internal control over
financial reporting or in other factors that could significantly affect internal controls, including any corrective actions with regard to significant deficiencies and material weaknesses, and, except as described in the Disclosure Package and the
Prospectus, the Company’s independent accountants have not notified the Company of any “reportable conditions” (as that term is defined under standards established by the American Institute of Certified Public Accountants) in the
Company’s internal accounting controls, or other weaknesses or deficiencies in the design or operation of the Company’s internal accounting controls, that have materially affected, or are reasonably likely to materially affect, the
Company’s internal control over financial reporting, or could adversely affect the Company’s ability to record, process, summarize and report financial data consistent with the assertions of the Company’s management in the financial
statements; and the Company has taken all necessary actions to ensure that, upon and at all times after the filing of the Registration Statement, the Company and the Subsidiary and their respective officers and directors, in their capacities as
such, will be in compliance in all material respects with the applicable provisions of the Sarbanes-Oxley Act of 2002 (the “Sarbanes-Oxley Act”) and the rules and regulations promulgated thereunder. The Company has established and
maintains and evaluates disclosure controls and procedures (as such term is defined in Rule 13a-15(e) of the Exchange Act) that comply with the requirements of the Exchange Act, such disclosure controls and procedures have been designed to ensure
that material information relating to the Company and the Subsidiary is made known to the Company’s principal executive officer and principal financial officer by others within those entities; and such disclosure controls and procedures are
effective to perform the functions for which they were established. 
 (42) Except as described in the Disclosure Package and
the Prospectus, neither the Company nor the Subsidiary has any material obligation to provide retirement, healthcare, death or disability benefits to any of the present or past employees of the Company or the Subsidiary, or to any other person.

 (43) The section entitled “Management’s Discussion and Analysis of Financial
Condition and Results of Operations – Critical Accounting Policies” in the Disclosure Package and the Prospectus accurately and fully in all material respects describes: (A) accounting policies which the Company believes are the most
important in the portrayal of the financial condition and results of operations of the Company and the Subsidiary (“Critical Accounting Policies”); (B) judgments and uncertainties affecting the application of Critical Accounting
Policies; and (C) the likelihood that materially different amounts would be reported under different conditions or using different assumptions; and the Company’s board of directors and management have reviewed and agreed with the
selection, application and disclosure of Critical Accounting Policies and have consulted with its legal counsel and independent accountants with regard to such disclosure. 
 (44) Since the date of the latest audited financial statements included in the Disclosure Package and the Prospectus, neither the Company
nor the Subsidiary has: (A) entered into or assumed any contract, (B) incurred or agreed to incur any liability (including any contingent liability) or other obligation, (C) acquired or disposed of or agreed to acquire or dispose of
any business or any other asset or (D) assumed or acquired or agreed to assume or acquire any liabilities (including contingent liabilities), that would, in any of clauses (A) through (D) above, be material to the Company and the
Subsidiary and that are not otherwise described in the Disclosure Package and the Prospectus. 
 (45) The section entitled
“Management’s Discussion and Analysis of Financial Condition and Results of Operations – Liquidity and Capital Resources” in the Disclosure Package and the Prospectus accurately and fully describes: (A) all material trends,
demands, commitments, events, uncertainties and risks, and the potential effects thereof, that the Company believes would materially affect liquidity and are reasonably likely to occur; and (B) all off-balance sheet transactions, arrangements,
and obligations that are reasonably likely to have a material effect on the liquidity of the Company or the Subsidiary or the availability thereof or the requirements of the Company or the Subsidiary for capital resources. 
 (46) Except as set forth in the Disclosure Package and the Prospectus, neither the Company nor the Subsidiary is engaged in any material
transactions with its directors, officers, management, stockholders, or any other affiliate, including any persons who formerly held positions as directors, officers, managers and/or stockholders, on terms that are not available from unrelated third
parties on an arm’s-length basis. 
 (47) No holder of any of the Securities after the consummation of the transactions
contemplated by this Agreement is or will be subject to any personal liability in respect of any liability of the Company by virtue only of its holding of any such Securities; and except as set forth in the Disclosure Package and the Prospectus,
there are no limitations on the rights of holders of the Securities to hold, vote or transfer their securities. 

 (48) Neither the Company nor the Subsidiary has taken, directly or indirectly, any action
designed to or that would constitute or that might reasonably be expected to cause or result in, under the Exchange Act or otherwise, stabilization or manipulation of the price of any security of the Company to facilitate the sale or resale of the
Securities. 
 (49) The Company and the Subsidiary are (i) in compliance with any and all applicable foreign, national,
federal, state, provincial and local laws and regulations relating to the protection of human health and safety, the environment or hazardous or toxic substances or wastes, pollutants or contaminants (“Environmental Laws”), (ii) have
received and are in compliance with all permits, licenses or other approvals required of them under applicable Environmental Laws to conduct their respective businesses and (iii) have not received notice of any actual or potential liability
under any Environmental Laws, except where such non-compliance with Environmental Laws, failure to receive required permits, licenses or other approvals, or liability would not, individually or in the aggregate, have a Material Adverse Effect.
Except as set forth in the Disclosure Package and the Prospectus, neither the Company nor the Subsidiary has been named as a “potentially responsible party” under the Comprehensive Environmental Response, Compensation, and Liability Act of
1980, as amended. 
 (50) There are no past, present or reasonably anticipated future events, conditions, circumstances,
activities, practices, actions, omissions or plans that could reasonably be expected to give rise to any costs or liabilities (including, without limitation, any capital or operating expenditures required for clean-up, closure of properties or
compliance with Environmental Laws, or any permit, license or approval, any related constraints on operating activities and any potential liabilities to third parties) to the Company or the Subsidiary under, or to interfere with or prevent
compliance by the Company or the Subsidiary with, Environmental Laws except as would not, individually or in the aggregate, reasonably be expected to have a Material Adverse Effect. 
 (51) None of the following events has occurred or exists: (i) a failure to fulfill the obligations, if any, under the minimum funding
standards of Section 302 of the United States Employee Retirement Income Security Act of 1974, as amended (“ERISA”), and the regulations and published interpretations thereunder with respect to a Plan, determined without regard to any
waiver of such obligations or extension of any amortization period that could have a Material Adverse Effect; (ii) an audit or investigation by the Internal Revenue Service, the U.S. Department of Labor, the Pension Benefit Guaranty Corporation
or any other federal or state governmental agency or any foreign regulatory agency with respect to the employment or compensation of employees by the Company or the Subsidiary that could have a Material Adverse Effect; (iii) any breach of any
contractual obligation, or any violation of law or applicable qualification standards, with respect to the employment or compensation of employees by the Company or the Subsidiary that could have a material adverse effect. None of the following
events has occurred or is reasonably likely to occur: (i) a material increase in the aggregate amount of contributions required to be made to all Plans in the current 

 
fiscal year of the Company and the Subsidiary compared to the amount of such contributions made in the most recently completed fiscal year of the Company and
the Subsidiary; (ii) a material increase in the “accumulated post-retirement benefit obligations” (within the meaning of Statement of Financial Accounting Standards 106) of the Company and the Subsidiary compared to the amount of such
obligations in the most recently completed fiscal year of the Company and the Subsidiary; (iii) any event or condition giving rise to a liability under Title IV of ERISA that could have a Material Adverse Effect; or (iv) the filing of a
claim by one or more employees or former employees of the Company or the Subsidiary related to their employment that could have a Material Adverse Effect. For purposes of this paragraph, the term “Plan” means a plan (within the meaning of
Section 3(3) of ERISA) subject to Title IV of ERISA with respect to which the Company or the Subsidiary may have any liability. 
 (52) There is and has been no failure on the part of the Company and any of the Company’s directors or officers, in their capacities as such, to comply with any provision of the Sarbanes-Oxley Act and the rules and regulations
promulgated in connection therewith, including Section 402 relating to loans. 
 (53) Neither the Company nor the
Subsidiary nor, to the knowledge of the Company, any director, officer, agent, employee or affiliate of the Company or the Subsidiary is aware of or has taken any action, directly or indirectly, that would result in a violation by such persons of
the Foreign Corrupt Practices Act of 1977, as amended, and the rules and regulations thereunder (the “FCPA”), including, without limitation, making use of the mails or any means or instrumentality of interstate commerce corruptly in
furtherance of an offer, payment, promise to pay or authorization of the payment of any money, or other property, gift, promise to give, or authorization of the giving of anything of value to any “foreign official” (as such term is defined
in the FCPA) or any foreign political party or official thereof or any candidate for foreign political office, in contravention of the FCPA; and the Company, the Subsidiary and, to the knowledge of the Company, its affiliates have conducted their
businesses in compliance with the FCPA and have instituted and maintain policies and procedures designed to ensure, and which are reasonably expected to continue to ensure, continued compliance therewith. 
 (54) The operations of the Company and the Subsidiary are and have been conducted at all times in compliance with applicable financial
recordkeeping and reporting requirements and the money laundering statutes and the rules and regulations thereunder and any related or similar rules, regulations or guidelines, issued, administered or enforced by any governmental agency
(collectively, the “Money Laundering Laws”) and no action, suit or proceeding by or before any court or governmental agency, authority or body or any arbitrator involving the Company or the Subsidiary with respect to the Money Laundering
Laws is pending or, to the best knowledge of the Company, threatened. 
 (55) (A) Neither the Company nor the Subsidiary nor,
to the knowledge of the Company, any director, officer, agent, employee or affiliate of the Company or the Subsidiary: (i) is currently subject to any sanctions administered by the Office of Foreign Assets Control of the U.S. Treasury
Department (“OFAC”); (ii) the Company will not 

 
directly or indirectly use the proceeds of the offering, or lend, contribute or otherwise make available such proceeds to any subsidiary, joint venture
partner or other person or entity, for the purpose of financing the activities of any person currently subject to any U.S. sanctions administered by OFAC; (iii) does or plans to conduct or otherwise get involved with any business with or
involving the government of, or any person or project located in, any country targeted by any of the economic sanctions promulgated by any Executive Order issued by the OFAC; (iv) supports or facilitates or plans to support or facilitate or
otherwise get involved with any such business or project; (B) the Company is not controlled (within the meaning of the Executive Orders or regulations promulgating such economic sanctions or the laws authorizing such promulgation) by any such
government or person; and (C) the Company maintains and has implemented adequate internal controls and procedures to monitor and audit transactions that are reasonably designed to detect and prevent any use of the proceeds from the offering of
the Securities contemplated hereby that is inconsistent with any of the Company’s representations and obligations under this paragraph or in the Disclosure Package or the Prospectus. 
 (56) Neither the Company nor the Subsidiary has entered into any memorandum of understanding, letter of intent, definitive agreement or
any similar agreements with respect to a merger or consolidation or a material acquisition or disposition of assets, technologies, business units or businesses. 
 (57) There are no affiliations or associations between any member of the Financial
Industry Regulatory Authority (“FINRA”) and the Company; except as described in the Registration Statement (excluding the exhibits thereto), each of the Disclosure Package and the Prospectus, there are no affiliations or associations
between (A) any member of the FINRA and (B) any of the Company’s officers, directors or 5% or greater security holders or any beneficial owner of the Company’s unregistered equity securities that were acquired at any time on or
after the 180th day immediately preceding the date the Registration Statement was initially filed with the Commission. 
 (58) There are no business relationships or related-party transactions involving the Company or the Subsidiary or any other person
required to be described in the Registration Statement, the Disclosure Package or the Prospectus which have not been described as required. 
 (59) Each “forward-looking statement” (within the meaning of Section 27A of the Act or Section 21E of the Exchange Act) contained in the Registration Statement, the Disclosure Package and the
Prospectus, if any, has been made or reaffirmed with a reasonable basis and in good faith. 
 (60) The Company and the
Subsidiary own, possess, license or have other rights to use, on reasonable terms, all patents, patent applications, trade and service marks, trade and service mark registrations, trade names, copyrights, licenses, inventions, trade secrets,
technology, know-how and other intellectual property (collectively, the “Intellectual Property”) necessary for the conduct of the Company’s business as now conducted or as proposed in the Prospectus to be conducted. Except as set
forth in the Preliminary Prospectus and the Prospectus under the caption “Business—Intellectual 

 
Property,” (a) there are no rights of third parties to any such Intellectual Property; (b) there is no material infringement by third parties
of any such Intellectual Property; (c) there is no material pending, or to the best knowledge of the Company, threatened action, suit, proceeding or claim by others challenging the Company’s rights in or to any such Intellectual Property,
and the Company is unaware of any facts which would form a reasonable basis for any such claim; (d) there is no material pending, or to the best knowledge of the Company, threatened action, suit, proceeding or claim by others challenging the
validity or scope of any such Intellectual Property, and the Company is unaware of any facts which would form a reasonable basis for any such claim; (e) there is no material pending, or to the best knowledge of the Company, threatened action,
suit, proceeding or claim by others that the Company infringes or otherwise violates any patent, trademark, copyright, trade secret or other proprietary rights of others, and the Company is unaware of any other fact which would form a reasonable
basis for any such claim; (f) to the best knowledge of the Company, there is no U.S. patent or published U.S. patent application which contains claims that dominate or may dominate any Intellectual Property described in the Disclosure Package
and the Prospectus as being owned by or licensed to the Company or that interferes with the issued or pending claims of any such Intellectual Property; and (g) there is no prior art of which the Company is aware that may render any U.S. patent
held by the Company invalid or any U.S. patent application held by the Company unpatentable which has not been disclosed to the U.S. Patent and Trademark Office. 
 (61) Except as disclosed in the Registration Statement, the Disclosure Package and the Prospectus, the Company (i) does not have
any material lending or other relationship with any bank or lending affiliate of Citigroup Global Markets Holdings Inc. and (ii) does not intend to use any of the proceeds from the sale of the Securities hereunder to repay any outstanding
debt owed to any affiliate of Citigroup Global Markets Holdings Inc. 
 Any certificate signed by any officer of the Company and delivered to
the Representative or counsel for the Underwriters in connection with the offering of the Securities shall be deemed a representation and warranty by the Company, as to matters covered thereby, to each Underwriter. 
 2. Purchase and Sale. 
 (a) Subject to
the terms and conditions and in reliance upon the representations and warranties herein set forth, the Company agrees to sell to each Underwriter, and each Underwriter agrees, severally and not jointly, to purchase from the Company at a purchase
price of US$9.30 per share, the amount of the Underwritten Securities set forth opposite such Underwriter’s name in Schedule I hereto. 
 (b) Subject to the terms and conditions and in reliance upon the representations and warranties herein set forth, the Company hereby grants an option to the several Underwriters to purchase, severally and not jointly, up to 900,000 Option
Securities at the same purchase price per share as the Underwriters shall pay for the Underwritten Securities. Said option may be exercised only to cover over-allotments in the sale of the Underwritten 

 
Securities by the Underwriters. Said option may be exercised in whole or in part at any time on or before the 30th day after the date of the Prospectus upon written or telegraphic notice by the Representative to the Company setting forth the number of shares of the Option Securities as to which
the several Underwriters are exercising the option and the settlement date. The number of Option Securities to be purchased by each Underwriter shall be the same percentage of the total number of shares of the Option Securities to be purchased by
the several Underwriters as such Underwriter is purchasing of the Underwritten Securities, subject to such adjustments as you in your absolute discretion shall make to eliminate any fractional shares. 
 3. Delivery and Payment. Delivery of and payment for the Underwritten Securities and the Option Securities (if the option provided for in
Section 2(b) hereof shall have been exercised on or before the third Business Day immediately preceding the Closing Date) shall be made at 10:00 AM, New York City time, on December 19, 2007, or at such time on such later date not more
than three Business Days after the foregoing date as the Representative shall designate, which date and time may be postponed by agreement among the Representative and the Company, or as provided in Section 9 hereof (such date and time of
delivery and payment for the Securities being herein called the “Closing Date”). Delivery of the Securities shall be made to the Representative for the respective accounts of the several Underwriters against payment by the several
Underwriters through the Representative of the respective aggregate purchase prices of the Securities being sold by the Company to or upon the order of the Company by wire transfer payable in same-day funds to the accounts specified by the Company.
Delivery of the Underwritten Securities and the Option Securities shall be made through the facilities of The Depository Trust Company unless the Representative shall otherwise instruct. 
 If the option provided for in Section 2(b) hereof is exercised after the third Business Day immediately preceding the Closing Date, the Company will
deliver the Option Securities (at the expense of the Company) to the Representative, at 388 Greenwich Street, New York, New York, on the date specified by the Representative (which shall be within three Business Days after exercise of said option)
for the respective accounts of the several Underwriters, against payment by the several Underwriters through the Representative of the purchase price thereof to or upon the order of the Company by wire transfer payable in same-day funds to an
account specified by the Company. If settlement for the Option Securities occurs after the Closing Date, the Company will deliver to the Representative on the settlement date for the Option Securities, and the obligation of the Underwriters to
purchase the Option Securities shall be conditioned upon receipt of, supplemental opinions, certificates and letters confirming as of such date the opinions, certificates and letters delivered on the Closing Date pursuant to Section 6 hereof.

 4. Offering by Underwriters. It is understood that the several Underwriters propose to offer the Securities for sale to the public
as set forth in the Prospectus. 
 5. Agreements. 
 The Company agrees with the several Underwriters that: 
 (1) Prior to the termination of the
offering of the Securities, the Company will not file any amendment of the Registration Statement or supplement to the Prospectus or 

 
any Rule 462(b) Registration Statement unless the Company has furnished you a copy for your review prior to filing and will not file any such proposed
amendment or supplement to which you reasonably object. The Company will cause the Prospectus, properly completed, and any supplement thereto to be filed in a form approved by the Representative with the Commission pursuant to the applicable
paragraph of Rule 424(b) within the time period prescribed and will provide evidence satisfactory to the Representative of such timely filing. The Company will promptly advise the Representative (i) when the Prospectus, and any supplement
thereto, shall have been filed (if required) with the Commission pursuant to Rule 424(b) or when any Rule 462(b) Registration Statement shall have been filed with the Commission, (ii) when, prior to termination of the offering of the
Securities, any amendment to the Registration Statement shall have been filed or become effective, (iii) of any request by the Commission or its staff for any amendment of the Registration Statement, or any Rule 462(b) Registration
Statement, or for any supplement to the Prospectus or for any additional information, (iv) of the issuance by the Commission of any stop order suspending the effectiveness of the Registration Statement or of any notice objecting to its use or
the institution or threatening of any proceeding for that purpose and (v) of the receipt by the Company of any notification with respect to the suspension of the qualification of the Securities for sale in any jurisdiction or the institution or
threatening of any proceeding for such purpose. The Company will use its best efforts to prevent the issuance of any such stop order or the occurrence of any such suspension or objection to the use of the Registration Statement and, upon such
issuance, occurrence or notice of objection, to obtain as soon as possible the withdrawal of such stop order or relief from such occurrence or objection, including, if necessary, by filing an amendment to the Registration Statement or a new
registration statement and using its best efforts to have such amendment or new registration statement declared effective as soon as practicable. 
 (2) If, at any time prior to the filing of the Prospectus pursuant to Rule 424(b), any event occurs as a result of which the Disclosure Package would include any untrue statement of a material fact or omit to state
any material fact necessary to make the statements therein in the light of the circumstances under which they were made or the circumstances then prevailing not misleading, the Company will (i) notify promptly the Representative so that any use
of the Disclosure Package may cease until it is amended or supplemented; (ii) amend or supplement the Disclosure Package to correct such statement or omission; and (iii) supply any amendment or supplement to you in such quantities as you
may reasonably request. 
 (3) If, at any time when a prospectus relating to the Securities is required to be delivered under
the Act (including in circumstances where such requirement may be satisfied pursuant to Rule 172), any event occurs as a result of which the Prospectus as then supplemented would include any untrue statement of a material fact or omit to state any
material fact necessary to make the statements therein in the light of the circumstances under which they were made at such time not misleading, or if it shall be necessary to amend the Registration Statement or supplement the Prospectus to comply
with the Act or the rules thereunder, the Company promptly will (i) notify the Representative of any such event; (ii) prepare and file with the Commission, subject to 

 
the second sentence of paragraph (1) of this Section 5, an amendment or supplement which will correct such statement or omission or effect such
compliance; and (iii) supply any supplemented Prospectus to you in such quantities as you may reasonably request. 
 (4)
As soon as practicable, the Company will make generally available to its security holders and to the Representative an earnings statement or statements of the Company and its subsidiaries which will satisfy the provisions of Section 11(a) of
the Act and Rule 158. 
 (5) The Company will furnish to the Representative and counsel for the Underwriters, without
charge, signed copies of the Registration Statement (including exhibits thereto) and to each other Underwriter a copy of the Registration Statement (without exhibits thereto) and, so long as delivery of a prospectus by an Underwriter or dealer may
be required by the Act (including in circumstances where such requirement may be satisfied pursuant to Rule 172), as many copies of each Preliminary Prospectus and each Issuer Free Writing Prospectus and any supplement thereto as the Representative
may reasonably request. The Company will pay the expenses of printing or other production of all documents relating to the offering. 
 (6) The Company will arrange, if necessary, for the qualification of the Securities for sale under the laws of such jurisdictions as the Representative may designate and will maintain such qualifications in effect so long as required for
the distribution of the Securities; provided that in no event shall the Company be obligated to qualify to do business in any jurisdiction where it is not now so qualified or to take any action that would subject it to service of process in suits,
other than those arising out of the offering or sale of the Securities, in any jurisdiction where it is not now so subject. 
 (7) The Company will not, without the prior written consent of Citigroup Global Markets Inc., offer, sell, contract to sell, pledge, or otherwise dispose of, (or enter into any transaction which is designed to, or might reasonably be
expected to, result in the disposition (whether by actual disposition or effective economic disposition due to cash settlement or otherwise) by the Company or any affiliate of the Company or any person in privity with the Company or any
affiliate of the Company) directly or indirectly, including the filing (or participation in the filing) of a registration statement with the Commission in respect of, or establish or increase a put equivalent position or liquidate or decrease a call
equivalent position within the meaning of Section 16 of the Exchange Act, any other shares of Common Stock or any securities convertible into, or exercisable, or exchangeable for, shares of Common Stock; or publicly announce an intention to
effect any such transaction, for a period of 180 days after the date of the Underwriting Agreement, provided, however, that the Company may issue and sell Common Stock pursuant to any employee stock option plan, stock ownership plan or
dividend reinvestment plan of the Company in effect at the Execution Time and the Company may issue Common Stock issuable upon the conversion of securities or the exercise of warrants outstanding at the Execution Time. Notwithstanding the foregoing,
if (x) during the last 17 days of the 180-day restricted period the Company issues an earnings release or material news or a material event relating to the Company occurs, or (y) prior to the expiration of the 180-day restricted period,
the Company announces that it 

 
will release earnings results during the 16-day period beginning on the last day of the 180-day period, the restrictions imposed in this clause shall
continue to apply until the expiration of the 18-day period beginning on the issuance of the earnings release or the occurrence of the material news or material event. The Company will provide the Representative and any co-managers and each
individual subject to the restricted period pursuant to the lockup letters described in Section 6(o) with prior notice of any such announcement that gives rise to an extension of the restricted period. 
 (8) The Company will not take, directly or indirectly, any action designed to or that would constitute or that might reasonably be
expected to cause or result in, under the Exchange Act or otherwise, stabilization or manipulation of the price of any security of the Company to facilitate the sale or resale of the Securities. 
 (9) The Company (in proportion to the number of Securities being offered by each of them, including any Option Securities which the
Underwriters shall have elected to purchase) agree to pay the costs and expenses relating to the following matters: (i) the preparation, printing or reproduction and filing with the Commission of the Registration Statement (including financial
statements and exhibits thereto), each Preliminary Prospectus, the Prospectus and each Issuer Free Writing Prospectus, and each amendment or supplement to any of them; (ii) the printing (or reproduction) and delivery (including postage, air
freight charges and charges for counting and packaging) of such copies of the Registration Statement, each Preliminary Prospectus, the Prospectus and each Issuer Free Writing Prospectus, and all amendments or supplements to any of them, as may, in
each case, be reasonably requested for use in connection with the offering and sale of the Securities; (iii) the preparation, printing, authentication, issuance and delivery of certificates for the Securities, including any stamp or transfer
taxes in connection with the original issuance and sale of the Securities; (iv) the printing (or reproduction) and delivery of this Agreement, any blue sky memorandum and all other agreements or documents printed (or reproduced) and delivered
in connection with the offering of the Securities; (v) the registration of the Securities under the Exchange Act and the listing of the Securities on the Nasdaq Global Market; (vi) any filings required to be made with FINRA (including
filing fees); (vii) the transportation and other expenses incurred by or on behalf of Company representatives in connection with presentations to prospective purchasers of the Securities; (viii) the fees and expenses of the Company’s
accountants and the fees and expenses of counsel (including local and special counsel) for the Company; and (ix) all other costs and expenses incident to the performance by the Company of their obligations hereunder. 
 (10) The Company agrees that, unless it has or shall have obtained the prior written consent of the Representative, and each Underwriter,
severally and not jointly, agrees with the Company that, unless it has or shall have obtained, as the case may be, the prior written consent of the Company, it has not made and will not make any offer relating to the Securities that would constitute
an Issuer Free Writing Prospectus or that would otherwise constitute a “free writing prospectus” (as defined in Rule 405) required to be filed by the Company with the Commission or retained by the Company under Rule 433; provided that the
prior written consent of the parties hereto shall be deemed to have 

 
been given in respect of the Free Writing Prospectuses included in Schedule II hereto. Any such free writing prospectus consented to by the Representative or
the Company is hereinafter referred to as a “Permitted Free Writing Prospectus.” The Company agrees that (x) it has treated and will treat, as the case may be, each Permitted Free Writing Prospectus as an Issuer Free Writing
Prospectus and (y) it has complied and will comply, as the case may be, with the requirements of Rules 164 and 433 applicable to any Permitted Free Writing Prospectus, including in respect of timely filing with the Commission, legending and
record keeping. 
 (11) The Company and the Subsidiary will not use any of the proceeds received by the Company from the sale
of the Securities pursuant to this Agreement to fund any operations in, to finance any investments, projects or activities in, or to make any payments to, any country, or to make any payments to, or finance any activities with, any person, targeted
by any of the economic sanctions promulgated by any Executive Order issued by the President of the United States or administered by the OFAC, or in any manner that is not in compliance with applicable laws, rules and regulations of any governmental
agency having jurisdiction over the Company and the Subsidiary. 
 6. Conditions to the Obligations of the Underwriters. The
obligations of the Underwriters to purchase the Underwritten Securities and the Option Securities, as the case may be, shall be subject to the accuracy of the representations and warranties on the part of the Company contained herein as of the
Execution Time, the Closing Date and any settlement date pursuant to Section 3 hereof, to the accuracy of the statements of the Company made in any certificates pursuant to the provisions hereof, to the performance by the Company of their
respective obligations hereunder and to the following additional conditions: 
 (a) The Prospectus, and any supplement thereto, have been
filed in the manner and within the time period required by Rule 424(b); any material required to be filed by the Company pursuant to Rule 433(d) under the Act shall have been filed with the Commission within the applicable time periods
prescribed for such filings by Rule 433; and no stop order suspending the effectiveness of the Registration Statement or any notice objecting to its use shall have been issued and no proceedings for that purpose shall have been instituted or
threatened. 
 (b) The Company shall have requested and caused Skadden, Arps, Slate, Meagher & Flom LLP, US counsel for the Company,
to have furnished to the Representative their opinion, dated the Closing Date and addressed to the Representative, to the effect that: 
 (1) the Registration Statement has become effective under the Act; any required filing of the Prospectus, and any supplements thereto, pursuant to Rule 424(b) has been made in the manner and within the time
period required by Rule 424(b); to the knowledge of such counsel, no stop order suspending the effectiveness of the Registration Statement or any notice objecting to its use has been issued, no proceedings for that purpose have been instituted
or threatened and the Registration Statement and the Prospectus (other than the financial statements and other financial information contained therein, as to which such counsel need express no opinion) comply as to form in all material respects with
the applicable requirements of the Act and the rules thereunder; and such counsel has no reason to believe that on the Effective Date the Registration 

 
Statement contained any untrue statement of a material fact or omitted to state any material fact required to be stated therein or necessary to make the
statements therein not misleading or that the Prospectus as of its date and on the Closing Date included or includes any untrue statement of a material fact or omitted or omits to state a material fact necessary to make the statements therein, in
the light of the circumstances under which they were made, not misleading (in each case, other than the financial statements and other financial information contained therein, as to which such counsel need express no opinion); 
 (2) such counsel has no reason to believe that the Disclosure Package, as amended or supplemented at the Execution Time, and the price to
the public, the number of Underwritten Securities and the number of Option Securities to be included on the cover page of the Prospectus, when taken together as a whole, contained any untrue statement of a material fact or omitted to state any
material fact necessary in order to make the statements therein, in the light of the circumstances under which they were made, not misleading (other than the financial statements and other financial information contained therein, as to which such
counsel need express no opinion); 
 (3) each of the Company and the Subsidiary has been duly incorporated and is validly
existing as a corporation in good standing under the laws of the jurisdiction in which it is chartered or organized, with full corporate power and authority to own or lease, as the case may be, and to operate its properties and conduct its business
as described in the Disclosure Package and the Prospectus, and is duly qualified to do business as a foreign corporation and is in good standing under the laws of each jurisdiction which requires such qualification; 
 (4) the Company’s authorized equity capitalization is as set forth in the Disclosure Package and the Prospectus; the capital stock of
the Company conforms to the description thereof contained in the Disclosure Package and the Prospectus; the Securities being sold hereunder by the Company have been duly and validly authorized, and, when issued and delivered to and paid for by the
Underwriters pursuant to this Agreement, will be fully paid and nonassessable; the Securities being sold by the Company are duly listed, and admitted and authorized for trading, subject to official notice of issuance and evidence of satisfactory
distribution, on the Nasdaq Global Market; the certificates for the Securities are in valid and sufficient form; the holders of outstanding shares of capital stock of the Company are not entitled to preemptive or other rights to subscribe for the
Securities; and, except as set forth in the Disclosure Package and the Prospectus, no options, warrants or other rights to purchase, agreements or other obligations to issue, or rights to convert any obligations into or exchange any securities for,
shares of capital stock of or ownership interests in the Company are outstanding; 
 (5) there is no pending or, to the
knowledge of such counsel, threatened action, suit or proceeding by or before any court or governmental agency, authority or body or any arbitrator involving the Company or the Subsidiary or their property of a character required to be disclosed in
the Registration Statement which is not adequately disclosed in the Preliminary Prospectus and the Prospectus, and there is no franchise, contract or other document of a character required to be described in the Registration 

 
Statement or Prospectus, or to be filed as an exhibit thereto, which is not described or filed as required; and the statements included in the Preliminary
Prospectus and the Prospectus under the headings “Risk Factors”, “Business”, “Regulations”, “Compensation Discussion and Analysis”, “Certain Relationships and Related Party Transactions”,
“Description of Capital Stock”, “Shares Eligible For Future Sale”, “United States Federal Income Tax Considerations for Non-United States Stockholders” and “Underwriting” fairly summarize the matters therein
described; 
 (6) this Agreement has been duly authorized, executed and delivered by the Company; 
 (7) the Company is not and, after giving effect to the offering and sale of the Securities and the application of the proceeds thereof as
described in the Prospectus, will not be, an “investment company” as defined in the Investment Company Act of 1940, as amended; 
 (8) no consent, approval, authorization, filing with or order of any court or governmental agency or body is required in connection with the transactions contemplated herein, except such as have been obtained under
the Act and such as may be required under the blue sky laws of any jurisdiction in connection with the purchase and distribution of the Securities by the Underwriters in the manner contemplated in this Agreement and in the Preliminary Prospectus and
the Prospectus and such other approvals (specified in such opinion) as have been obtained; 
 (9) neither the issue and sale
of the Securities, nor the consummation of any other of the transactions herein contemplated nor the fulfillment of the terms hereof will conflict with, result in a breach or violation of, or imposition of any lien, charge or encumbrance upon any
property or assets of the Company or the Subsidiary pursuant to, (i) the charter or by-laws of the Company or the Subsidiary, (ii) the terms of any indenture, contract, lease, mortgage, deed of trust, note agreement, loan agreement or
other agreement, obligation, condition, covenant or instrument to which the Company or the Subsidiary is a party or bound or to which its or their property is subject, or (iii) any statute, law, rule, regulation, judgment, order or decree
applicable to the Company or the Subsidiary of any court, regulatory body, administrative agency, governmental body, arbitrator or other authority having jurisdiction over the Company or the Subsidiary or any of its or their properties. 

In rendering such opinion, such counsel may rely (A) as to matters involving the application of laws of any jurisdiction other than the State of
New York, the State of Delaware or the Federal laws of the United States, to the extent they deem proper and specified in such opinion, upon the opinion of other counsel of good standing whom they believe to be reliable and who are satisfactory to
counsel for the Underwriters and (B) as to matters of fact, to the extent they deem proper, on certificates of responsible officers of the Company and public officials. References to the Prospectus in this paragraph (b) shall also include
any supplements thereto at the Closing Date. 

 (c) The Company shall have requested and caused Foley Hoag LLP, counsel for the Company, to have
furnished to the Representative their opinion, dated the Closing Date and addressed to the Representative, to the effect that: 
 (1) the Company has been duly incorporated and is validly existing as a corporation in good standing under the laws of the State of Delaware, with full corporate power and authority to own or lease, as the case may be, and to operate its
properties and conduct its business as described in the Disclosure Package and the Prospectus, and is duly qualified to do business as a foreign corporation in the Commonwealth of Massachusetts; 
 (2) the number of authorized shares of each class and series of the Company’s capital stock is authorized as set forth in the
Disclosure Package and the Prospectus; the capital stock of the Company conforms to the description thereof contained in the Disclosure Package and the Prospectus; the outstanding shares of Common Stock have been duly and validly authorized and
issued and are fully paid and nonassessable; the Securities have been duly and validly authorized, and, when issued and delivered to and paid for by the Underwriters pursuant to this Agreement, will be fully paid and nonassessable; the holders of
outstanding shares of capital stock of the Company are not entitled to preemptive or other rights to subscribe for the Securities pursuant to the certificate of incorporation or by-laws of the Company or any of the agreements set forth in a schedule
annexed to the opinion (each an “Identified Agreement”); 
 (3) there is no action, suit, or proceeding by or before
any court or governmental agency, authority or body or any arbitrator pending or threatened in writing against the Company with respect to which such counsel have been engaged and with respect to which such counsel has provided legal services to the
company in the form of legal consultation or representation, which is of a character required to be disclosed in the Registration Statement and which is not disclosed therein; 
 (4) the execution and delivery on behalf of the Company of this Agreement have been duly authorized by all necessary corporate action on
the part of the Company; 
 (5) neither the issue and sale of the Securities, nor the consummation by the Company of any other
of the transactions contemplated by this Agreement, nor the performance by the Company of the terms thereof, will conflict with, result in a breach or violation of, or imposition of any lien, charge or encumbrance upon any property or assets of the
Company pursuant to, (i) the certificate of incorporation or by-laws of the Company, (ii) any Identified Agreement, or (iii) other than the indemnification provisions thereof, as to which such counsel express no opinion, any statute,
law, rule or regulation, or, to the knowledge of such counsel, any judgment, order or decree applicable to the Company of any court, regulatory body, administrative agency, governmental body, arbitrator or other authority having jurisdiction over
the Company or its properties. 
 In rendering such opinion, such counsel may rely (A) as to matters involving the
application of laws of any jurisdiction other than the State of Delaware, the Commonwealth of Massachusetts or the Federal laws of the United States, to the extent 

 
they deem proper and specified in such opinion, upon the opinion of other counsel of good standing whom they believe to be reliable and who are satisfactory
to counsel for the Underwriters and (B) as to matters of fact, to the extent they deem proper, on certificates of responsible officers of the Company and public officials. References to the Prospectus in this paragraph (c) shall also
include any supplements thereto at the Closing Date. 
 (d) (i) The Company shall have requested and caused Commerce & Finance Law
Offices, PRC counsel for the Company, to have furnished to the Representative their opinion, dated the Closing Date and addressed to the Representative, or (ii) to the extent Commerce & Finance Law Offices is not permitted under
relevant PRC laws, rules and regulations to issue their opinion to the Representative or otherwise authorize the Representative to rely on such opinion, the Company shall have delivered to the Representative certified copies of the opinion of such
counsel, dated the Closing Date and addressed to the Company, in either case to the effect that: 
 (1) the Subsidiary
has been duly organized and is validly existing as a limited liability company under laws of the PRC and its business license is in full force and effect; all of the equity interests of the Subsidiary are owned by the Company; to the best of such
counsel’s knowledge after due inquiries, such equity interests are free and clear of all liens, encumbrances, equities or claims; the articles of association, the business license and other constituent documents of the Subsidiary comply with
the requirements of applicable PRC laws and are in full force and effect; to the best of such counsel’s knowledge after due inquiries, the Subsidiary has full power and authority (corporate and other) and has all consents, approvals,
authorizations, orders, registrations, clearances and qualifications of or with any, governmental agency having jurisdiction over the Subsidiary or any of its properties required for the ownership or lease of property by it and the conduct of its
business and has the legal right and authority to own, use, lease and operate its assets and to conduct its business in the manner conducted and as described in the Prospectus; 
 (2) all of the equity interests of the Subsidiary have been duly and validly authorized and issued and are fully paid and non-assessable,
except that US$8.76 million of the registered capital of the Subsidiary has been paid with US$6.24 million to be paid up before September 28, 2009 according to its articles of association; except as disclosed or described in the Prospectus and
to the best of such counsel’s knowledge after due inquiries, the Subsidiary has obtained all approvals, authorizations, consents and orders, and has made all filings and registrations, which are required under PRC laws and regulations for the
ownership interest by the Company in the Subsidiary; and there are no outstanding rights, warrants or options to acquire, or instruments convertible into or exchangeable for, nor any agreements or other obligations to issue or other rights to
convert any obligation into, any equity interest in the Subsidiary; 
 (3) except as disclosed or described in the Prospectus
and to the best of such counsel’s knowledge after due inquiries, the Subsidiary has legal and valid title to all of its properties and assets, free and clear of all liens, charges, encumbrances, equities, claims, options and restrictions, or
such as do not, individually or in the aggregate, have a 

 
Material Adverse Effect; each lease agreement to which the Subsidiary is a party is duly executed and legally binding; the leasehold interests of the
Subsidiary are fully protected by the terms of the lease agreements, which are valid, binding and enforceable in accordance with their respective terms under PRC laws; 
 (4) except as described and disclosed in the Prospectus and to the best of such counsel’s knowledge after due inquiries, the
Subsidiary has all necessary and material licenses, consents, authorizations, approvals, orders, certificates and permits of and from, and has made all declarations and filings with governmental agencies having jurisdiction over the Subsidiary or
any of its assets, business or operations, to own, lease, license and use its properties, assets and conduct its business in the manner described in the Prospectus, except for the lack of which as would not individually or in the aggregate, have a
Material Adverse Effect; and such licenses, consents, authorizations, approvals, orders, certificates or permits contain no materially burdensome restrictions or conditions not described in the Prospectus; except as described and disclosed in the
Prospectus and to the best of such counsel’s knowledge after due inquiries, such counsel has no reason to believe that any regulatory body is considering modifying, suspending or revoking any such licenses, consents, authorizations, approvals,
orders, certificates or permits and the Subsidiary is in compliance with the provisions of all such licenses, consents, authorizations, approvals, orders, certificates or permits in all material respects; 
 (5) except as disclosed and described in the Prospectus, all dividends and other distributions declared and payable upon the equity
interests in the Subsidiary may under the current laws and regulations of the PRC be paid to the Company in Renminbi that may be converted into U.S. dollars and freely transferred out of the PRC, and all such dividends and other distributions are
not and, except as disclosed in the Prospectus, will not be subject to withholding or other taxes under the laws and regulations of the PRC and, except as disclosed in the Prospectus, are otherwise free and clear of any other tax, withholding or
deduction in the PRC, and without the necessity of obtaining any governmental authorization in the PRC; 
 (6) except as
described and disclosed in the Prospectus and to the best of such counsel’s knowledge after due inquiries, neither the Company nor the Subsidiary is (A) in breach of or in default under any laws, regulations, rules, orders, decrees,
guidelines or notices of the PRC, (B) in breach of or in default under any approval, consent, waiver, authorization, exemption, permission, endorsement or license granted by any governmental agency in the PRC, or (C) in default in the
performance or observance of any material obligation, agreement, covenant or condition contained in any indenture, mortgage, deed of trust, loan agreement, lease or other agreement or instrument to which it is a party or by which it or any of its
properties may be bound, except for such violation, breach or default under clauses (A) through (C) that would not, individually or in the aggregate, have a Material Adverse Effect; to the best of such counsel’s knowledge after due
inquiries, the Subsidiary is not in violation of its articles of association, constituent documents, business licenses or permits; and to the best of such counsel’s knowledge after due inquiries, the Company is not required to hold any PRC
business licenses or permits that are necessary to conduct its business through the Subsidiary in the manner described in the Prospectus, except for the lack of which as would not individually or in the aggregate, have a Material Adverse Effect;

 (7) the statements in the Prospectus under “Risk Factors”,
“Management’s Discussion and Analysis of Financial Condition and Results of Operations”, “Business” and “Regulations”, to the extent such statements relate to matters of PRC laws or regulations or to the provisions
of documents therein described, are true and accurate in all material respects, and nothing has been omitted from such statements which would make the same misleading in any material respect; 
 (8) except as disclosed or described in the Prospectus and to the best of such counsel’s knowledge after due inquiries, the
Subsidiary has a valid right to use the intellectual property as listed in the appendix annexed thereto (the “PRC Intellectual Property”); 
 (9) except as disclosed or described in the Prospectus and to the best of such counsel’s knowledge after due inquiries, none of the Company and the Subsidiary is infringing, misappropriating or violating any
intellectual property right of any third party in the PRC; and no PRC Intellectual Property is subject to any outstanding or pending decree, order, injunction, judgment or ruling restricting the use of such PRC Intellectual Property in the PRC that
would impair the validity or enforceability of such PRC Intellectual Property, except that (i) the patents listed in A (2) of the appendix are in the process of application and (ii) the patent listed in A (3) of the appendix is
in the process of assignment and shall have the assignment registered with the relevant authority; 
 (10) to the best of such
counsel’s knowledge after due inquiries, no security interests or other liens have been created with respect to any of the PRC Intellectual Property in the PRC; 
 (11) no stamp or other issuance or transfer taxes or duties and no capital gains, income, withholding or other taxes are payable by or on
behalf of the Underwriters to the government of the PRC or to any political subdivision or taxing authority thereof or therein in connection with (a) the sale and delivery by the Company of the Securities to or for the respective accounts of
the Underwriters or (b) the sale and delivery outside the PRC by the Underwriters of the Securities to the initial purchasers thereof in the manner contemplated in this Agreement; 
 (12) the agreement of the Company that this Agreement shall be construed in accordance with and governed by the laws of the State of New
York are legal, valid and binding under the laws of the PRC and will be respected by PRC courts; and any judgment obtained in a New York Court arising out of or in relation to the obligations of the Company under this Agreement will be recognized in
PRC courts, subject to the procedural requirements and public policy considerations set forth in applicable provisions of the PRC Civil Procedure Law and other related regulations of the PRC relating to the enforceability of foreign judgments;

 (13) the indemnification and contribution provisions set forth in Section 8 of this
Agreement do not contravene the public policy or laws of PRC, insofar as matters of PRC laws are concerned; 
 (14) to the
best of such counsel’s knowledge after due inquiries, there are no legal, arbitration or governmental proceedings pending in the PRC to which the Company or the Subsidiary is a party or of which any property of the Subsidiary is the subject
which, if determined adversely to the Company or the Subsidiary would individually or in the aggregate have a Material Adverse Effect; and except as disclosed or described in the Prospectus and to the best of such counsel’s knowledge after due
inquiries, no such proceedings are threatened or contemplated by any governmental agency or threatened by others; 
 (15)
except as disclosed or described in the Prospectus and to the best of such counsel’s knowledge after due inquiries, the issue and sale of the Securities being delivered at the Closing Date, the quotation of the Securities on Nasdaq, and the
compliance by the Company with all of the provisions of this Agreement, and the consummation of the transactions therein contemplated will not (a) conflict with or result in a breach or violation of any of the terms or provisions of, or
constitute a default under, any indenture, mortgage, deed of trust, loan agreement or other agreement or instrument to which the Subsidiary is a party or by which the Subsidiary is bound or to which any of the property or assets of the Subsidiary is
subject, except for such conflict, breach or violation that would not, individually or in the aggregate, have a Material Adverse Effect, or (b) result in any violation of the provisions of the articles of association, business license or any
other constituent documents of the Subsidiary or any PRC law or statute or any order, rule or regulation of any governmental agency in the PRC having jurisdiction over the Subsidiary or any of its properties including, without limitation, the
Regulations on Mergers and Acquisitions of Domestic Enterprises by Foreign Investors, or the M&A Rules; 
 (16) except as
disclosed or described in the Prospectus and to the best of such counsel’s knowledge after due inquiries, no governmental authorization of or with any governmental agency in the PRC (including, without limitation, the approvals of the China
Securities Regulatory Commission and the Ministry of Commerce under the M&A Rules) is required for the issue and sale of the Securities, the quotation of the Securities on Nasdaq, or the consummation of the transactions contemplated by this
Agreement; 
 (17) except as disclosed or described in the Prospectus and to the best of such counsel’s knowledge after
due inquiries, the application of the net proceeds to be received by the Company from the sale of the Securities as described in and contemplated by the Prospectus will not (a) contravene the terms or provisions of, or constitute a default
under, any indenture, mortgage, deed of trust, loan agreement, note, lease or other agreement or instrument binding upon the Subsidiary, or any judgment, order or decree of any governmental agency in the PRC in any material respects, except for such
contravention or default that would not, individually or in the aggregate have a Material Adverse Effect, or (b) contravene any provision of applicable PRC law, rule or regulation, or the articles of association, the business or other
constituent documents of the Subsidiary; 

 (18) although such counsel does not assume any responsibility for the accuracy,
completeness or fairness of the statements contained in the Registration Statement or the Prospectus, such counsel has no reason to believe that (a) any part of the Registration Statement or any further amendment thereto made by the Company
prior to the Closing Date (other than the financial statements and related schedules therein, as to which such counsel need express no opinion), when such part or amendment became effective, contained an untrue statement of a material fact or
omitted to state a material fact required to be stated therein or necessary to make the statements therein not misleading; (b) the Disclosure Package (other than the financial statements and related schedules therein, as to which such counsel
need express no opinion), as of the Execution Time and as of the Closing Date, contained any untrue statement of a material fact or omitted to state any material fact necessary in order to make the statements therein, in the light of the
circumstances under which they were made, not misleading; (c) each Free Writing Prospectus listed on Schedule II to this Agreement (other than the financial statements and related schedules therein, as to which such counsel need express no
opinion) conflicted with the information contained in the Registration Statement, the Disclosure Package or the Prospectus and each such Free Writing Prospectus (other than the financial statements and related schedules therein, as to which such
counsel need express no opinion), as supplemented by and taken together with the Disclosure Package as of the Execution Time and as of such Closing Date, contained any untrue statement of a material fact or omitted to state any material fact
required necessary to make the statements therein, in the light of the circumstances under which they were made, not misleading; or (d) as of its date and as of the Closing Date, the Prospectus or any further amendment or supplement thereto
made by the Company prior to the Closing Date (other than the financial statements and related schedules therein, as to which such counsel need express no opinion) contained or contains an untrue statement of a material fact or omitted or omits to
state a material fact necessary to make the statements therein, in the light of the circumstances under which they were made, not misleading; 
 (19) the entry into, and performance or enforcement of this Agreement in accordance with its respective terms will not subject any of the Underwriters to any requirement to be licensed or otherwise qualified to do
business in the PRC, nor will any Underwriter be deemed to be resident, domiciled, carrying on business through an establishment or place in the PRC or in breach of any laws or regulations in the PRC by reason of entry into, performance or
enforcement of this Agreement. 
 (e) The Representative shall have received from Sullivan & Cromwell LLP, counsel for the
Underwriters, such opinion or opinions, dated the Closing Date and addressed to the Representative, with respect to the issuance and sale of the Securities, the Registration Statement, the Disclosure Package, the Prospectus (together with any
supplement thereto) and other related matters as the Representative may reasonably require, and the Company shall have furnished to such counsel such documents as they request for the purpose of enabling them to pass upon such matters. 

 (f) Global Law Office, PRC counsel for the Underwriters, shall have furnished to you such written opinion
or opinions, dated as of the Closing Date, with respect to the same matters covered in paragraph (d) above as well as such other related matters as you may reasonably request, and such counsel shall have received such papers and information as
they may reasonably request to enable them to pass upon such matters. 
 (g) The Company shall have furnished to the Representative a
certificate of the Company, signed by the Chairman of the Board or the President and the principal financial or accounting officer of the Company, dated the Closing Date, to the effect that the signers of such certificate have carefully examined the
Registration Statement, the Disclosure Package, the Prospectus and any amendment or supplement thereto, as well as each electronic road show used in connection with the offering of the Securities, and this Agreement and that: 
 (1) the representations and warranties of the Company in this Agreement are true and correct on and as of the Closing Date with the same
effect as if made on the Closing Date and the Company has complied with all the agreements and satisfied all the conditions on its part to be performed or satisfied at or prior to the Closing Date; 
 (2) no stop order suspending the effectiveness of the Registration Statement or any notice objecting to its use has been issued and no
proceedings for that purpose have been instituted or, to the Company’s knowledge, threatened; and 
 (3) since the date
of the most recent financial statements included in the Disclosure Package and the Prospectus (exclusive of any supplement thereto), there has been no material adverse effect on the condition (financial or otherwise), general affairs, management,
prospects, results of operations, financial position, business or properties of the Company and the Subsidiary, taken as a whole, whether or not arising from transactions in the ordinary course of business, except as set forth in or contemplated in
the Disclosure Package and the Prospectus (exclusive of any supplement thereto). 
 (h) The Company shall have requested and
caused Ernst & Young LLP to have furnished to the Representative, at the Execution Time and at the Closing Date, letters, dated respectively as of the Execution Time and as of the Closing Date, in form and substance satisfactory to the
Representative, confirming that they are independent accountants within the meaning of the Act and the Exchange Act and the applicable rules and regulations adopted by the Commission thereunder and that they have performed a review of the unaudited
interim financial information of the Company for the nine-month periods ended September 30, 2007 and September 30, 2006, in accordance with Statement on Auditing Standards No. 100 and stating in effect that: 
 (1) in their opinion the audited financial statements and financial statement schedules and pro forma financial statements included in the
Registration Statement, the Preliminary Prospectus and the Prospectus and reported on by them comply as to form with the applicable accounting requirements of the Act and the related rules and regulations adopted by the Commission; 

 (2) on the basis of a reading of the latest unaudited financial statements made available
by the Company and the Subsidiary; their limited review, in accordance with standards established under Statement on Auditing Standards No. 100, of the unaudited interim financial information for the nine-month periods ended
September 30, 2007 and September 30, 2006; carrying out certain specified procedures (but not an examination in accordance with generally accepted auditing standards) which would not necessarily reveal matters of significance with respect
to the comments set forth in such letter; a reading of the minutes of the meetings of the stockholders, directors and the Audit Committee of the Company and the Subsidiary; and inquiries of certain officials of the Company who have
responsibility for financial and accounting matters of the Company and the Subsidiary as to transactions and events subsequent to December 31, 2006, nothing came to their attention which caused them to believe that: 
 (i) any unaudited financial statements included in the Registration Statement, the Preliminary Prospectus and the Prospectus do not comply
as to form with applicable accounting requirements of the Act and with the related rules and regulations adopted by the Commission with respect to registration statements on Form S-1; and said unaudited financial statements are not in
conformity with generally accepted accounting principles applied on a basis substantially consistent with that of the audited financial statements included in the Registration Statement, the Preliminary Prospectus and the Prospectus; 
 (ii) with respect to the period subsequent to September 30, 2007, there were any changes, at a specified date not more than five days
prior to the date of the letter, in the long-term debt of the Company and the Subsidiary or capital stock of the Company and the Subsidiary or decreases in the consolidated net assets or stockholders’ equity of the Company as compared with the
amounts shown on the September 30, 2007 consolidated balance sheet included in the Registration Statement, the Preliminary Prospectus and the Prospectus, or for the period from October 1, 2007 to such specified date there were any
decreases, as compared with amounts shown at the corresponding period in the preceding year in operating income, income before income taxes or net income of the Company and the Subsidiary, except in all instances for changes or decreases set forth
in such letter, in which case the letter shall be accompanied by an explanation by the Company as to the significance thereof unless said explanation is not deemed necessary by the Representative; 
 (3) they have performed certain other specified procedures as a result of which they determined that certain information of an accounting,
financial or statistical nature (which is limited to accounting, financial or statistical information derived from the general accounting records of the Company and its subsidiaries) set forth in the Registration Statement, the Preliminary
Prospectus and the Prospectus, including the information set forth under the captions “Summary Consolidated Financial Data” and “Selected Consolidated Financial Information” in the Preliminary Prospectus and the Prospectus,
agrees with the accounting records of the Company and the Subsidiary, excluding any questions of legal interpretation. 

 References to the Prospectus in this paragraph (h) include any supplement thereto at
the date of the letter. 
 (i) The Company shall have complied with the provisions of Section 5(6) hereof with respect to the furnishing
of Prospectuses on the New York Business Day next succeeding the date of this Agreement. 
 (j) Subsequent to the Execution Time or, if
earlier, the dates as of which information is given in the Registration Statement (exclusive of any amendment thereof) and the Prospectus (exclusive of any amendment or supplement thereto), there shall not have been (i) any change or decrease
specified in the letter or letters referred to in paragraph (h) of this Section 6 or (ii) any change, or any development involving a prospective change, in or affecting the condition (financial or otherwise), earnings, business or
properties of the Company and the Subsidiary taken as a whole, whether or not arising from transactions in the ordinary course of business, except as set forth in or contemplated in the Disclosure Package and the Prospectus (exclusive of any
supplement thereto) the effect of which, in any case referred to in clause (i) or (ii) above, is, in the sole judgment of the Representative, so material and adverse as to make it impractical or inadvisable to proceed with the offering or
delivery of the Securities as contemplated by the Registration Statement (exclusive of any amendment thereof), the Disclosure Package and the Prospectus (exclusive of any amendment or supplement thereto). 
 (k) On the Closing Date, the Chief Financial Officer of the Company shall have furnished to you an officer’s certificate, dated the date of delivery
thereof, in form and substance satisfactory to you, to the effect set forth in Annex I attached hereto. 
 (l) The Company shall have
furnished or caused to be furnished to you on the Closing Date certificates of officers of the Company, satisfactory to you as to such other matters as you may reasonably request, including, without limitation, certificates of officers of the
Company satisfactory to you with respect to the memorandum and articles of association and other organizational documents of the Company, opinions of PRC counsel to the Company, all resolutions of the board of directors of the Company and other
corporate actions relating to this Agreement and the authorization, issue and sale of the Securities and the incumbency and specimen signatures of signing officers, and the Company shall have furnished or caused to be furnished certificates as to
the matters set forth in paragraphs (a), (j) and (m) of this Section. 
 (m) There shall not be any litigation, proceedings,
investigations, processes for administrative sanctions or other actions initiated or threatened by any governmental agency before any governmental agency, in each case with due authority, against or involving any party hereto, in the United States
or elsewhere, that seeks to declare non-compliance, unlawful or illegal, under U.S. laws, rules and regulations, the issuance and sales of the Securities, the listing and trading of the Securities on the Nasdaq, or the transactions contemplated by
this Agreement. 
 (n) The Securities shall have been listed and admitted and authorized for trading on the Nasdaq Global Market, and
satisfactory evidence of such actions shall have been provided to the Representative. 

 (o) At the Execution Time, the Company shall have furnished to the Representative a letter substantially
in the form set forth in Annex II hereto from each officer and director of the Company, each of the stockholders and option holders of the Company addressed to the Representative, whereby for a period of 180 days after the date of this Agreement,
such parties shall not without the prior written consent of Citigroup Global Markets Inc., offer, sell, contract to sell, pledge or otherwise dispose of, (or enter into any transaction which is designed to, or might reasonably be expected to, result
in the disposition (whether by actual disposition or effective economic disposition due to cash settlement or otherwise) by the undersigned or any affiliate of the undersigned or any person in privity with the undersigned or any affiliate of the
undersigned), directly or indirectly, including the filing (or participation in the filing) of a registration statement with the Commission in respect of, or establish or increase a put equivalent position or liquidate or decrease a call equivalent
position within the meaning of Section 16 of the Exchange Act, as amended, and the rules and regulations of the Commission promulgated thereunder with respect to, any shares of capital stock of the Company or any securities convertible into, or
exercisable or exchangeable for such capital stock, or publicly announce an intention to effect any such transaction, other than shares of Common Stock disposed of as bona fide gifts approved by Citigroup Global Markets Inc. or pursuant to a
transfer, disposition or bona fide gift of securities to an affiliate (as defined in Rule 12b-2 of the Exchange Act) to a family member or trust, provided that such transfer, disposition or gift are not traded in consideration for value and such
transferee agrees to be bound in writing by the same restrictions in this paragraph. 
 (p) Prior to the Closing Date, the Company shall have
furnished to the Representative such further information, certificates and documents as the Representative may reasonably request. 
 If any
of the conditions specified in this Section 6 shall not have been fulfilled when and as provided in this Agreement, or if any of the opinions and certificates mentioned above or elsewhere in this Agreement shall not be reasonably satisfactory
in form and substance to the Representative and counsel for the Underwriters, this Agreement and all obligations of the Underwriters hereunder may be canceled at, or at any time prior to, the Closing Date by the Representative. Notice of such
cancellation shall be given to the Company in writing or by telephone or facsimile confirmed in writing. 
 The documents required to be delivered by this Section 6 shall be delivered at the office of Sullivan & Cromwell LLP, counsel for the Underwriters, at 28th Floor, Nine Queen’s Road Central, Hong Kong, on the Closing Date. 
 7. Reimbursement of Underwriters’ Expenses. If the sale of the Securities provided for herein is not consummated because any condition to the obligations of the Underwriters set forth in Section 6 hereof is not satisfied,
because of any termination pursuant to Section 10 hereof or because of any refusal, inability or failure on the part of the Company to perform any agreement herein or comply with any provision hereof other than by reason of a default by any of
the Underwriters, the Underwriters will be responsible for all expenses (including reasonable fees and disbursements of counsel) that shall have been incurred by them in connection with the proposed purchase and sale of the Securities, and the
Company will be responsible for all costs and expenses incurred by it and themselves, respectively, including but not limited to the costs and expenses set forth in Section 5(9) of this Agreement. 

 8. Indemnification and Contribution. 
 (a) The Company agrees to indemnify and hold harmless each Underwriter, the directors, officers, employees and agents of each Underwriter and each person
who controls any Underwriter within the meaning of either the Act or the Exchange Act against any and all losses, claims, damages or liabilities, joint or several, to which they or any of them may become subject under the Act, the Exchange Act or
other Federal or state statutory law or regulation, at common law or otherwise, insofar as such losses, claims, damages or liabilities (or actions in respect thereof) arise out of or are based upon any untrue statement or alleged untrue statement of
a material fact contained in the registration statement for the registration of the Securities as originally filed or in any amendment thereof, or in any Preliminary Prospectus, the Prospectus or any Issuer Free Writing Prospectus, including each of
the Free Writing Prospectuses set forth in Schedule II to this Agreement, or in any amendment thereof or supplement thereto, or arise out of or are based upon the omission or alleged omission to state therein a material fact required to be stated
therein or necessary to make the statements therein not misleading, and agrees to reimburse each such indemnified party, as incurred, for any legal or other expenses reasonably incurred by them in connection with investigating or defending any such
loss, claim, damage, liability or action; provided, however, that the Company will not be liable in any such case to the extent that any such loss, claim, damage or liability arises out of or is based upon any such untrue statement or
alleged untrue statement or omission or alleged omission made therein in reliance upon and in conformity with written information furnished to the Company by or on behalf of any Underwriter through the Representative specifically for inclusion
therein. This indemnity agreement will be in addition to any liability which the Company may otherwise have. 
 (b) Each Underwriter
severally and not jointly agrees to indemnify and hold harmless the Company, each of its directors, each of its officers who signs the Registration Statement, and each person who controls the Company within the meaning of either the Act or the
Exchange Act, to the same extent as the foregoing indemnity to each Underwriter, but only with reference to written information relating to such Underwriter furnished to the Company by or on behalf of such Underwriter through the Representative
specifically for inclusion in the documents referred to in the foregoing indemnity. This indemnity agreement will be in addition to any liability which any Underwriter may otherwise have. The Company acknowledges that the statements set forth in:
(i) the last paragraph of the cover page of the Preliminary Prospectus and the Prospectus regarding delivery of the Securities; (ii) the list of Underwriters and their respective participation in the Securities under the heading
“Underwriting” in the Preliminary Prospectus and the Prospectus; (iii) the third paragraph of text under the heading “Underwriting” in the Preliminary Prospectus and the Prospectus concerning the terms of the offering by the
Underwriters; (iv) the seventeenth paragraph of the text under the heading “Underwriting” in the Preliminary Prospectus and the Prospectus concerning short sales, syndicate covering transactions and stabilizing transactions; and
(v) the eighteenth paragraph of the text under the heading “Underwriting” in the Preliminary Prospectus and the Prospectus concerning penalty bids, constitute the only information furnished in writing by or on behalf of the several
Underwriters for inclusion in the Preliminary Prospectus, the Prospectus or any Issuer Free Writing Prospectus. 

 (c) Promptly after receipt by an indemnified party under this Section 8 of notice of the
commencement of any action, such indemnified party will, if a claim in respect thereof is to be made against the indemnifying party under this Section 8, notify the indemnifying party in writing of the commencement thereof; but the failure so
to notify the indemnifying party (i) will not relieve it from liability under paragraph (a) or (b) above unless and to the extent it did not otherwise learn of such action and such failure results in the forfeiture by the indemnifying
party of substantial rights and defenses and (ii) will not, in any event, relieve the indemnifying party from any obligations to any indemnified party other than the indemnification obligation provided in paragraph (a) or (b) above.
The indemnifying party shall be entitled to appoint counsel of the indemnifying party’s choice at the indemnifying party’s expense to represent the indemnified party in any action for which indemnification is sought (in which case the
indemnifying party shall not thereafter be responsible for the fees and expenses of any separate counsel retained by the indemnified party or parties except as set forth below); provided, however, that such counsel shall be
satisfactory to the indemnified party. Notwithstanding the indemnifying party’s election to appoint counsel to represent the indemnified party in an action, the indemnified party shall have the right to employ separate counsel (including local
counsel), and the indemnifying party shall bear the reasonable fees, costs and expenses of such separate counsel if (i) the use of counsel chosen by the indemnifying party to represent the indemnified party would present such counsel with a
conflict of interest, (ii) the actual or potential defendants in, or targets of, any such action include both the indemnified party and the indemnifying party and the indemnified party shall have reasonably concluded that there may be legal
defenses available to it and/or other indemnified parties which are different from or additional to those available to the indemnifying party, (iii) the indemnifying party shall not have employed counsel satisfactory to the indemnified party to
represent the indemnified party within a reasonable time after notice of the institution of such action or (iv) the indemnifying party shall authorize the indemnified party to employ separate counsel at the expense of the indemnifying party. An
indemnifying party will not, without the prior written consent of the indemnified parties, settle or compromise or consent to the entry of any judgment with respect to any pending or threatened claim, action, suit or proceeding in respect of which
indemnification or contribution may be sought hereunder (whether or not the indemnified parties are actual or potential parties to such claim or action) unless such settlement, compromise or consent includes an unconditional release of each
indemnified party from all liability arising out of such claim, action, suit or proceeding. 
 (d) In the event that the indemnity provided
in paragraph (a), (b) or (c) of this Section 8 is unavailable to or insufficient to hold harmless an indemnified party for any reason, the Company and the Underwriters severally agree to contribute to the aggregate losses,
claims, damages and liabilities (including legal or other expenses reasonably incurred in connection with investigating or defending the same) (collectively “Losses”) to which the Company and one or more of the Underwriters may be subject
in such proportion as is appropriate to reflect the relative benefits received by the Company on the one hand and by the Underwriters on the other from the offering of the Securities; provided, however, that in no case shall any
Underwriter (except as may be provided in any agreement among underwriters relating to the offering of the 

 
Securities) be responsible for any amount in excess of the underwriting discount or commission applicable to the Securities purchased by such Underwriter
hereunder. If the allocation provided by the immediately preceding sentence is unavailable for any reason, the Company, and the Underwriters severally shall contribute in such proportion as is appropriate to reflect not only such relative benefits
but also the relative fault of the Company on the one hand and of the Underwriters on the other in connection with the statements or omissions which resulted in such Losses as well as any other relevant equitable considerations. Benefits received by
the Company shall be deemed to be equal to the total net proceeds from the offering (before deducting expenses) received by it, and benefits received by the Underwriters shall be deemed to be equal to the total underwriting discounts and
commissions, in each case as set forth on the cover page of the Prospectus. Relative fault shall be determined by reference to, among other things, whether any untrue or any alleged untrue statement of a material fact or the omission or alleged
omission to state a material fact relates to information provided by the Company on the one hand or the Underwriters on the other, the intent of the parties and their relative knowledge, access to information and opportunity to correct or prevent
such untrue statement or omission. The Company and the Underwriters agree that it would not be just and equitable if contribution were determined by pro rata allocation or any other method of allocation which does not take account of the equitable
considerations referred to above. Notwithstanding the provisions of this paragraph (d), no person guilty of fraudulent misrepresentation (within the meaning of Section 11(f) of the Act) shall be entitled to contribution from any person who
was not guilty of such fraudulent misrepresentation. For purposes of this Section 8, each person who controls an Underwriter within the meaning of either the Act or the Exchange Act and each director, officer, employee and agent of an
Underwriter shall have the same rights to contribution as such Underwriter, and each person who controls the Company within the meaning of either the Act or the Exchange Act, each officer of the Company who shall have signed the Registration
Statement and each director of the Company shall have the same rights to contribution as the Company, subject in each case to the applicable terms and conditions of this paragraph (d). 
 9. Default by an Underwriter. If any one or more Underwriters shall fail to purchase and pay for any of the Securities agreed to be purchased by
such Underwriter or Underwriters hereunder and such failure to purchase shall constitute a default in the performance of its or their obligations under this Agreement, the remaining Underwriters shall be obligated severally to take up and pay for
(in the respective proportions which the amount of Securities set forth opposite their names in Schedule I hereto bears to the aggregate amount of Securities set forth opposite the names of all the remaining Underwriters) the Securities which
the defaulting Underwriter or Underwriters agreed but failed to purchase; provided, however, that in the event that the aggregate amount of Securities which the defaulting Underwriter or Underwriters agreed but failed to purchase shall
exceed 10% of the aggregate amount of Securities set forth in Schedule I hereto, the remaining Underwriters shall have the right to purchase all, but shall not be under any obligation to purchase any, of the Securities, and if such
nondefaulting Underwriters do not purchase all the Securities, this Agreement will terminate without liability to any nondefaulting Underwriter or the Company. In the event of a default by any Underwriter as set forth in this Section 9, the
Closing Date shall be postponed for such period, not exceeding five Business Days, as the Representative shall determine in order that the required changes in the Registration Statement and the Prospectus or in any other documents or arrangements
may be effected. Nothing contained in this Agreement shall relieve any defaulting Underwriter of its liability, if any, to the Company and any nondefaulting Underwriter for damages occasioned by its default hereunder. 

 10. Termination. This Agreement shall be subject to termination in the absolute discretion of the
Representative, by notice given to the Company prior to delivery of and payment for the Securities, if at any time prior to such delivery and payment (i) trading in the Company’s Common Stock shall have been suspended by the Commission or
the Nasdaq Global Market or trading in securities generally on the New York Stock Exchange shall have been suspended or limited or minimum prices shall have been established on either of such exchanges, (ii) a banking moratorium shall have been
declared either by Federal or New York State authorities, (iii) a change or development involving a prospective change in taxation affecting the Company, the Subsidiary or the Securities or the transfer thereof, (iv) the enactment,
publication, decree or other promulgation of any statute, regulation, rule or order of any governmental agency materially affecting the business or operations of the Company or the Subsidiary, (v) there shall have occurred any outbreak or
escalation of hostilities, declaration by the United States of a national emergency or war, or other calamity or crisis, or (vi) the occurrence of any other calamity or crisis or any change in the financial, political or economic conditions or
currency exchange rates or controls in the United States, the PRC or elsewhere, the effect of which on financial markets is such as to make it, in the sole judgment of the Representative, impractical or inadvisable to proceed with the offering or
delivery of the Securities as contemplated by the Preliminary Prospectus or the Prospectus (exclusive of any amendment or supplement thereto). 
 11. Representations and Indemnities to Survive. The respective agreements, representations, warranties, indemnities and other statements of the Company or its officers and of the Underwriters set forth in or made pursuant to this
Agreement will remain in full force and effect, regardless of any investigation made by or on behalf of any Underwriter or the Company or any of the officers, directors, employees, agents or controlling persons referred to in Section 8 hereof,
and will survive delivery of and payment for the Securities. The provisions of Sections 7 and 8 hereof shall survive the termination or cancellation of this Agreement. 
 12. Notices. All communications hereunder will be in writing and effective only on receipt, and, if sent to the Representative, will be mailed,
delivered or telefaxed to the Citigroup Global Markets Inc. General Counsel (fax no.: (212) 816-7912) and confirmed to the General Counsel, Citigroup Global Markets Inc., at 388 Greenwich Street, New York, New York, 10013, Attention:
General Counsel; or, if sent to the Company, will be mailed, delivered or telefaxed to MEMSIC, Inc., Attention: Shang Hsiao (fax no.: (978) 738-0196) at One Tech Drive, Suite 325, Andover, Massachusetts 01810. 
 13. Successors. This Agreement will inure to the benefit of and be binding upon the parties hereto and their respective successors and the
officers, directors, employees, agents and controlling persons referred to in Section 8 hereof, and no other person will have any right or obligation hereunder. 
 14. No fiduciary duty. The Company hereby acknowledge that (a) the purchase and sale of the Securities pursuant to this Agreement is an arm’s-length commercial transaction between the Company, on the
one hand, and the Underwriters and any affiliate 

 
through which it may be acting, on the other, (b) the Underwriters are acting as principal and not as an agent or fiduciary of the Company and
(c) the Company’s engagement of the Underwriters in connection with the offering and the process leading up to the offering is as independent contractors and not in any other capacity. Furthermore, the Company agrees that they are solely
responsible for making their own judgments in connection with the offering (irrespective of whether any of the Underwriters has advised or is currently advising the Company on related or other matters). The Company agrees that they will not claim
that the Underwriters have rendered advisory services of any nature or respect, or owe an agency, fiduciary or similar duty to the Company, in connection with such transaction or the process leading thereto. 
 15. Integration. This Agreement supersedes all prior agreements and understandings (whether written or oral) between the Company and the
Underwriters, or any of them, with respect to the subject matter hereof. 
 16. Applicable Law. This Agreement will be governed by and
construed in accordance with the laws of the State of New York applicable to contracts made and to be performed within the State of New York. 
 17. Waiver of Jury Trial. The Company hereby irrevocably waives, to the fullest extent permitted by applicable law, any and all right to trial by jury in any legal proceeding arising out of or relating to this Agreement or the
transactions contemplated hereby. 
 18. Counterparts. This Agreement may be signed in one or more counterparts, each of which shall
constitute an original and all of which together shall constitute one and the same agreement. 
 19. Headings. The section headings
used herein are for convenience only and shall not affect the construction hereof. 
 20. Definitions. The terms that follow, when
used in this Agreement, shall have the meanings indicated. 
 “Act” shall mean the Securities Act of 1933, as amended, and the
rules and regulations of the Commission promulgated thereunder. 
 “Business Day” shall mean any day other than a Saturday, a
Sunday or a legal holiday or a day on which banking institutions or trust companies are authorized or obligated by law to close in New York City or Beijing, the People’s Republic of China. 
 “Commission” shall mean the Securities and Exchange Commission. 
 “Disclosure Package” shall mean (i) the Preliminary Prospectus that is generally distributed to investors and used to offer the Securities, (ii) the Issuer Free Writing Prospectuses identified in
Schedule II hereto, and (iii) any other Free Writing Prospectus that the parties hereto shall hereafter expressly agree in writing to treat as part of the Disclosure Package. 

 “Effective Date” shall mean each date and time that the Registration Statement, any
post-effective amendment or amendments thereto and any Rule 462(b) Registration Statement became or becomes effective. 
 “Exchange
Act” shall mean the Securities Exchange Act of 1934, as amended, and the rules and regulations of the Commission promulgated thereunder. 
 “Execution Time” shall mean the date and time that this Agreement is executed and delivered by the parties hereto. 
 “Free Writing Prospectus” shall mean a free writing prospectus, as defined in Rule 405. 
 “Issuer Free Writing
Prospectus” shall mean an issuer free writing prospectus, as defined in Rule 433. 
 “New York Court” shall mean any State or
federal court in the Borough of Manhattan, The City of New York, New York. 
 “Preliminary Prospectus” shall mean any preliminary
prospectus referred to in Section 1 above and any preliminary prospectus included in the Registration Statement at the Effective Date that omits Rule 430A Information. 
 “Prospectus” shall mean the prospectus relating to the Securities that is first filed pursuant to Rule 424(b) after the Execution Time.

 “Registration Statement” shall mean the registration statement referred to in Section 1 above, including exhibits and
financial statements and any prospectus supplement relating to the Securities that is filed with the Commission pursuant to Rule 424(b) and deemed part of such registration statement pursuant to Rule 430A, as amended at the Execution Time and, in
the event any post-effective amendment thereto or any Rule 462(b) Registration Statement becomes effective prior to the Closing Date, shall also mean such registration statement as so amended or such Rule 462(b) Registration Statement, as the case
may be. 
 “Rule 158”, “Rule 163”, “Rule 164”, “Rule 172”, “Rule 405”,
“Rule 415”, “Rule 424”, “Rule 430A” and “Rule 433” refer to such rules under the Act. 
 “Rule 430A Information” shall mean information with respect to the Securities and the offering thereof permitted to be omitted from the Registration Statement when it becomes effective pursuant to Rule 430A. 
 “Rule 462(b) Registration Statement” shall mean a registration statement and any amendments thereto filed pursuant to Rule 462(b)
relating to the offering covered by the registration statement referred to in Section 1 hereof. 

 If the foregoing is in accordance with your understanding of our agreement, please sign and return to us
the enclosed duplicate hereof, whereupon this letter and your acceptance shall represent a binding agreement among the Company and the several Underwriters. 
  

			
	Very truly yours,
	
	MEMSIC, Inc.
		
	By:	 	 /s/ Yang Zhao

	Name:	 	Yang Zhao
	Title:	 	President and CEO

 The foregoing Agreement is hereby 
 confirmed and accepted as of the 
 date first above written. 
 Citigroup Global Markets Inc. 
  

			
	By: Citigroup Global Markets Inc.
		
	By:	 	 /s/ Rahul Shukla

	Name:	 	Rahul Shukla
	Title:	 	Managing Director

 For themselves and the other 
 several Underwriters named in 
 Schedule I to the foregoing 
 Agreement. 

 SCHEDULE I 
  

			
	 Underwriters
	  	Number of Underwritten Securities
to be Purchased
	 Citigroup Global Markets Inc.
	  	4,020,000
	 Jefferies & Company
	  	660,000
	 Needham & Company, LLC
	  	660,000
	 Thomas Weisel Partners LLC
	  	660,000
		  	 
	 Total
	  	6,000,000
		  	 

 SCHEDULE II 
 Schedule of Issuer Free Writing Prospectuses included in the Disclosure Package 
  

	1.	Electronic roadshow, available at www.netroadshow.com. 

  

	2.	Free writing prospectus, dated December 12, 2007. 

 Annex I 
 Form of Officer’s Certificate 
 I, Shang HSIAO, Chief Financial Officer of MEMSIC, Inc., a
company incorporated in the State of Delaware (the “Company”), pursuant to Section 6(k) of the Underwriting Agreement (the “Underwriting Agreement”), dated as of December 13, 2007, between the Company and
Citigroup Global Markets, Inc., as Representative of the several underwriters named in Schedule I thereto, hereby certify that I have performed the following procedures on the financial and operating information and data identified and circled by
you in the Preliminary Prospectus attached hereto as Annex A and the Prospectus attached hereto as Annex B: 
 1) Compared the
amount or recalculated the amount from the corresponding information in the Company’s general ledger and found them to be in agreement; and 
 2) Confirmed the accuracy of the consolidated financial data for the year ended December 31, 2002 included in the Registration Statement under the caption “Selected Consolidated Financial Information” in the Preliminary
Prospectus and the Prospectus based on corresponding data and other records maintained by the Company. 
 I further certify each of the
circled financial data in the attached annexes is true and accurate. 
 Capitalized terms used herein but not otherwise defined shall have
the respective meanings assigned to them in the Underwriting Agreement. 
 IN WITNESS WHEREOF, I have hereunto signed my name. 
 Dated as of:                     , 2007 
  

			
	  

	Name:	 	Shang HSIAO
	Title:	 	Chief Financial Officer

 Annex II 
 [Letterhead of officer, director, shareholder or option holder of Corporation] 
 MEMSIC, Inc.

 Public Offering of Common Stock 
 , 2007 
 Citigroup Global Markets Inc. 
 As
Representative of the several Underwriters, 
 388 Greenwich Street 
 New York, New York 10013 
 Ladies and Gentlemen: 
 This letter is being delivered to you in connection with the proposed Underwriting Agreement (the “Underwriting Agreement”), between MEMSIC, Inc., a Delaware corporation (the “Company”), the
selling shareholders (the “Selling Shareholders”), and you as representative of a group of Underwriters named therein, relating to an underwritten public offering of Common Stock, $ 0.00001 par value (the “Common Stock”), of
the Company. 
 In order to induce you and the other Underwriters to enter into the Underwriting Agreement, the undersigned will not,
without the prior written consent of Citigroup Global Markets Inc., offer, sell, contract to sell, pledge or otherwise dispose of, (or enter into any transaction which is designed to, or might reasonably be expected to, result in the disposition
(whether by actual disposition or effective economic disposition due to cash settlement or otherwise) by the undersigned or any affiliate of the undersigned or any person in privity with the undersigned or any affiliate of the undersigned), directly
or indirectly, including the filing (or participation in the filing) of a registration statement with the Securities and Exchange Commission in respect of, or establish or increase a put equivalent position or liquidate or decrease a call equivalent
position within the meaning of Section 16 of the Securities Exchange Act of 1934, as amended, and the rules and regulations of the Securities and Exchange Commission promulgated thereunder with respect to, any shares of capital stock of the
Company or any securities convertible into, or exercisable or exchangeable for such capital stock, or publicly announce an intention to effect any such transaction, for a period of 180 days after the date of the Underwriting Agreement, other
than shares of Common Stock disposed of as bona fide gifts approved by Citigroup Global Markets Inc. 

 If (i) the Company issues an earnings release or material news, or a material event relating to the
Company occurs, during the last 17 days of the lock-up period, or (ii) prior to the expiration of the lock-up period, the Company announces that it will release earnings results during the 16-day period beginning on the last day of the lock-up
period, the restrictions imposed by this agreement shall continue to apply until the expiration of the 18-day period beginning on the issuance of the earnings release or the occurrence of the material news or material event, unless Citigroup Global
Markets Inc. waives, in writing, such extension. The undersigned hereby acknowledges that the Company has agreed in the Underwriting Agreement to provide written notice of any event that would result in an extension of the Lock-Up Period and agrees
that any such notice properly delivered will be deemed to have given to, and received by, the undersigned. 
 Notwithstanding anything
contained herein to the contrary, a transfer, disposition or bona fide gift of securities to an affiliate (as defined in Rule 12b-2 of the Exchange Act) to a family member or trust may be made, provided that such transfer, disposition or gift is not
traded in consideration for value and to the extent that (i) at any time subsequent to the execution of this Lock-up Agreement the undersigned is not required to make any filings under Section 16 or Sections 13(d) or (g) of the
Securities Exchange Act of 1934 with respect to any shares of Common Stock, and (ii) the undersigned has entered into or will enter into an agreement similar to this Lock-up Agreement. 
 If for any reason the Underwriting Agreement shall be terminated prior to the Closing Date (as defined in the Underwriting Agreement), the agreement set
forth above shall likewise be terminated. 
  

	
	Yours very truly,
	
	[Signature of officer, director, stockholder or option holder]
	
	[Name and address of officer, director, stockholder or option holder]Amended and Restated Investors' Rights Agreement

 Exhibit 4.3 
 DANGER, INC. 
 AMENDED AND RESTATED INVESTORS’ RIGHTS AGREEMENT 
 Dated as of December 10, 2007 
  

 TABLE OF CONTENTS 
  

									
	 	  	 	  	 	 	 	  	Page
	1.	  	INFORMATION RIGHTS	  	2
		  	1.1	  	Financial Information	  	2
		  		  	(a)	 	Annual Reports	  	2
		  		  	(b)	 	Quarterly Reports	  	2
		  		  	(c)	 	Annual Budget	  	2
		  		  	(d)	 	Operating Plan	  	2
		  		  	(e)	 	Other Information	  	2
		  	1.2	  	Inspection Rights	  	2
		  	1.3	  	Termination of Certain Rights	  	2
	2.	  	REGISTRATION RIGHTS	  	3
		  	2.1	  	Definitions	  	3
		  		  	(a)	 	Registration	  	3
		  		  	(b)	 	Registrable Securities	  	3
		  		  	(c)	 	Registrable Securities Then Outstanding	  	3
		  		  	(d)	 	Heller	  	3
		  		  	(e)	 	Heller Warrants	  	3
		  		  	(f)	 	Holder	  	4
		  		  	(g)	 	Exchange Act	  	4
		  		  	(h)	 	Form S-3	  	4
		  		  	(i)	 	SEC	  	4
		  		  	(j)	 	Series D Registrable Securities	  	4
		  		  	(k)	 	Series D’ Registrable Securities	  	4
		  		  	(l)	 	Special Registration Statement	  	4
		  		  	(m)	 	SVB	  	5
		  		  	(n)	 	SVB Warrants	  	5
		  		  	(o)	 	WKSI Shelf Registration Statement	  	5
		  		  	(p)	 	Other Definitions	  	5
		  	2.2	  	Request for Registration	  	5
		  	2.3	  	Piggyback Registrations	  	7
		  		  	(a)	 	Right to Terminate Registration	  	7

  

 -i- 

 TABLE OF CONTENTS 
 (continued) 
  

									
	 	  	 	  	 	 	 	  	Page
		  		  	(b)	 	Underwriting	  	7
		  		  	(c)	 	Expenses	  	8
		  	2.4	  	Form S-3 Registration	  	8
		  		  	(a)	 	Notice	  	9
		  		  	(b)	 	Registration	  	9
		  		  	(c)	 	Expenses	  	9
		  	2.5	  	Obligations of the Company	  	9
		  	2.6	  	Furnish Information	  	11
		  	2.7	  	Indemnification	  	11
		  		  	(a)	 	By the Company	  	11
		  		  	(b)	 	By Selling Holders	  	12
		  		  	(c)	 	Notice	  	12
		  		  	(d)	 	Contribution	  	13
		  		  	(e)	 	Underwriting Agreement	  	13
		  		  	(f)	 	Survival	  	13
		  	2.8	  	Rule 144 Reporting	  	13
		  	2.9	  	Termination of Registration Rights	  	14
		  	2.10	  	Limitations on Subsequent Registration Rights	  	14
		  	2.11	  	“Market Stand Off” Agreement	  	14
		  	2.12	  	S-3 Registration Requirements	  	15
	3.	  	RIGHT OF FIRST OFFER	  	15
		  	3.1	  	General	  	15
		  	3.2	  	New Securities	  	15
		  	3.3	  	Procedures	  	16
		  	3.4	  	Failure to Exercise	  	17
		  	3.5	  	Termination	  	17
	4.	  	COVENANTS OF THE COMPANY	  	17
		  	4.1	  	Vesting Schedule	  	17
		  	4.2	  	Board Visitation Rights	  	18
		  	4.3	  	Director Expenses	  	18

  

 -ii- 

 TABLE OF CONTENTS 
 (continued) 
  

									
	 	  	 	  	 	 	 	  	Page
		  	4.4	  	Proprietary Information and Inventions Agreement	  	18
		  	4.5	  	Audit	  	18
		  	4.6	  	Key-Man Insurance	  	19
		  	4.7	  	Employment Agreements	  	19
	5.	  	ASSIGNMENT AND AMENDMENT	  	19
		  	5.1	  	Assignment	  	19
		  		  	(a)	 	Information and Inspection Rights	  	19
		  		  	(b)	 	Registration Rights; First Offer Rights	  	19
		  	5.2	  	Amendment of Rights	  	20
		  	5.3	  	New Investors	  	20
	6.	  	GENERAL PROVISIONS	  	20
		  	6.1	  	Notices	  	20
		  	6.3	  	Entire Agreement	  	21
		  	6.4	  	Governing Law	  	21
		  	6.5	  	Severability	  	21
		  	6.6	  	Third Parties	  	21
		  	6.7	  	Successors and Assigns	  	21
		  	6.8	  	Captions	  	22
		  	6.9	  	Counterparts	  	22
		  	6.10	  	Costs and Attorneys’ Fees	  	22
		  	6.11	  	Adjustments for Stock Splits, Etc.	  	22
		  	6.12	  	Aggregation of Stock	  	22

  

					
			
	Exhibit A	  	–	  	Series A Holders
	Exhibit B	  	–	  	Series B-1 Holders
	Exhibit C	  	–	  	Series C Holders
	Exhibit D	  	–	  	Series D Holders
	Exhibit E	  	–	  	Series D’ Holders
	Exhibit F	  	–	  	Series E Holders
	Exhibit G	  	–	  	Warrant Holders

  

 -iii- 

 AMENDED AND RESTATED INVESTORS’ RIGHTS AGREEMENT 
 This Amended and Restated Investors’ Rights Agreement (this “Agreement”) is made and entered into as of December 10,
2007 by and among Danger, Inc., a Delaware corporation (the “Company”), Andrew E. Rubin, Matthew J. Hershenson and Joe F. Britt, Jr. (each, a “Founder” and, collectively, the “Founders”), the
holders of the Company’s Series A Preferred Stock (the “Series A Preferred Stock”) set forth on Exhibit A hereto (the “Series A Holders”), the holders of the Company’s
Series B-1 Preferred Stock (the “Series B-1 Preferred Stock”) set forth on Exhibit B hereto (the “Series B-1 Holders”), the holders of the Company’s Series C Preferred Stock (the
“Series C Preferred Stock”) set forth on Exhibit C hereto (the “Series C Holders”), the holders of the Company’s Series D Preferred Stock (the “Series D Preferred
Stock”) set forth on Exhibit D hereto (the “Series D Holders”), the holders of the Company’s Series D’ Preferred Stock (the “Series D’ Preferred Stock”) set forth on
Exhibit E hereto (the “Series D’ Holders”), the holders of the Company’s Series E Preferred Stock (the “Series E Preferred Stock” and together with the Series A Preferred Stock,
Series B Preferred Stock, Series C Preferred Stock, Series D Preferred Stock and Series D’ Preferred Stock, the “Preferred Stock”) set forth on Exhibit F hereto (the “Series E
Holders” and together with the Series A Holders, Series B-1 Holders, Series C Holders, Series D Holders and Series D’ Holders, the “Investors”) and the holders of warrants to purchase shares of the
Company’s Preferred Stock set forth on Exhibit G hereto (the “Warrant Holders”). 
 R E C I T A L S 

 WHEREAS, the Company, the Founders, the Series A Holders, Series B-1 Holders, Series C Holders, Series D Holders, Series
D’ Holders, Series E Holders and certain of the Warrant Holders are parties to that certain Amended and Restated Investors’ Rights Agreement, dated as of October 2, 2006 (the “Prior Agreement”); 
 WHEREAS, the Company and the holders of (i) Series D’ Preferred Stock and/or (ii) Registrable Securities (as defined in the Prior
Agreement) who have executed this Agreement (for and on behalf of all such holders of Series D’ Preferred Stock and/or Registrable Securities) wish to amend and restate the Prior Agreement in its entirety as set forth below; and 
 WHEREAS, the holders of at least a majority of the Registrable Securities (as defined in the Prior Agreement), together with the holders of at least a
majority of the Series D’ Preferred Stock, have the right, pursuant to Section 5.2 of the Prior Agreement, to amend and restate the Prior Agreement in its entirety as set forth below. 
 NOW, THEREFORE, in consideration of the mutual agreements, covenants and considerations contained herein, the Company and the holders of (i) Series
D’ Preferred Stock and/or (ii) Registrable Securities (as defined in the Prior Agreement) who have executed this Agreement (for and on behalf of all such holders of Series D’ Preferred Stock and/or Registrable Securities) hereby agree
to amend and restate the Prior Agreement in its entirety as follows: 
  

 1 

 1. INFORMATION RIGHTS 
 1.1 Financial Information. The Company covenants and agrees that, commencing on the date of this Agreement and for so long as any Investor holds at least 900,000 shares of the Common Stock issued or issuable
upon conversion of the Preferred Stock (the “Preferred Conversion Stock”), the Company will: 
 (a) Annual Reports.
Furnish to such Investor within ninety (90) days of the end of each fiscal year, an audited consolidated balance sheet as of the end of such fiscal year, an audited consolidated statement of operations and an audited consolidated statement of
cash flows of the Company and its subsidiaries for such fiscal year, all prepared in accordance with generally accepted accounting principles by a “Big Four” accounting firm; 
 (b) Quarterly Reports. Furnish to such Investor within forty-five (45) days of the end of each fiscal quarter, quarterly unaudited
consolidated financial statements, including an unaudited consolidated balance sheet, an unaudited consolidated statement of operations and an unaudited consolidated statement of cash flows, compared against the Plan (as defined below); 

(c) Annual Budget. Furnish to such Investor quarterly financial statements compared against the Company’s annual operating plan (the
“Plan”), as provided to and approved by the board of directors of the Company (the “Board”); 
 (d)
Operating Plan. Furnish to such Investor, within thirty (30) days of the commencement of each calendar year, a copy of the Plan; and 
 (e) Other Information. Furnish to such Investor such other information, financial or other, that such Investor may reasonably request. 
 1.2 Inspection Rights. For so long as any Investor (together with its affiliates) holds at least 900,000 shares of Preferred Conversion Stock, the Company shall permit such Investor or its transferees (as
permitted pursuant to Section 5.1(a) hereof), at such Investor’s expense, to visit and inspect the Company’s properties, to examine its books of account and records and to discuss the Company’s affairs, finances and accounts with
its officers, all at such reasonable times as may be requested by such Investor; provided, however, that the Company shall not be obligated under this Section 1.2 to provide information that it deems in good faith to be a trade secret or
similar confidential or proprietary information. 
 1.3 Termination of Certain Rights. The Company’s obligations under
Sections 1.1 and 1.2 above will terminate upon the earlier of: (a) the closing of a firm commitment underwritten initial public offering of the Common Stock pursuant to an effective registration statement filed under the Securities Act of
1933, as amended (the “Securities Act”), in connection with which all outstanding shares of Preferred Stock are converted into Common Stock (a “Qualified IPO”) or (b) when the Company first becomes subject to
the periodic reporting requirements of Sections 13 or 15(d) of the Securities Exchange Act of 1934, as amended (the “Exchange Act”) or (c) the closing of an acquisition of the Company by another corporation or entity by a
consolidation or merger in which the holders of the Company’s outstanding voting stock immediately prior to such transaction own, immediately after such transaction, securities representing less than 50% of the voting power of the corporation
or other entity surviving such transaction. 
  

 2 

 2. REGISTRATION RIGHTS. 
 2.1 Definitions. For purposes of this Agreement: 
 (a) Registration. The terms
“register,” “registered” and “registration” refer to a registration effected by preparing and filing a registration statement or similar document pursuant to the Securities Act, and the declaration
or ordering of effectiveness of such registration statement or document. 
 (b) Registrable Securities. The term “Registrable
Securities” means: (i) shares of Preferred Conversion Stock other than any shares of Preferred Conversion Stock held by Heller or SVB, (ii) shares of Preferred Conversion Stock held by Heller by virtue of the Heller Warrants;
provided, however, that such shares of Preferred Conversion Stock shall not be deemed Registrable Securities for purposes of Sections 2.2, 2.4 or 2.10, (iii) shares of Preferred Conversion Stock held by SVB by virtue of the SVB
Warrants; provided, however, that such shares of Preferred Conversion Stock shall not be deemed Registrable Securities for purposes of Sections 2.2 or 2.10, (iv) shares of Common Stock held by the Founders; provided,
however, that such shares of Common Stock shall not be deemed Registrable Securities for purposes of Sections 2.2, 2.4 or 2.10 and (v) any shares of Common Stock issued as (or issuable upon the conversion or exercise of any warrant,
right or other security that is issued as) a dividend or other distribution with respect to, in exchange for or in replacement of any shares of Common Stock or Preferred Conversion Stock described in clauses (i)-(iv) of this subsection (b);
provided, however, that no shares of Preferred Conversion Stock or other Common Stock shall be deemed Registrable Securities for purposes of this Agreement to the extent such shares of Preferred Conversion Stock or other Common Stock
(1) have been sold, transferred or otherwise disposed of by a person in a transaction in which rights under this Section 2 are not assigned in accordance with this Agreement, (2) have been sold to the public through a Registration
Statement or pursuant to Rule 144 promulgated under the Securities Act or (3) are held by a Holder whose rights to cause the Company to register securities pursuant to this Agreement have terminated in accordance with Section 2.9 of this
Agreement. 
 (c) Registrable Securities Then Outstanding. The number of shares of “Registrable Securities then
outstanding” shall mean the number of shares of Common Stock that are Registrable Securities and either (i) are then issued and outstanding or (ii) are then issuable pursuant to the exercise or conversion of then outstanding and
then exercisable options, warrants or convertible securities. 
 (d) Heller. The term “Heller” means Heller Financial
Leasing, Inc., a Delaware corporation. 
 (e) Heller Warrants. The term “Heller Warrants” means any warrants to
purchase the Company’s capital stock which have been issued or hereinafter are issued to Heller in connection with that certain Master Lease Agreement, dated as of December 28, 2001, and any amendments thereto or extension thereof.

  

 3 

 (f) Holder. For purposes of Sections 2, 3 and 4 of this Agreement, the term
“Holder” means any person owning of record Registrable Securities, or any assignee of record of such Registrable Securities to whom rights under Section 2 or Section 3 have been duly assigned in accordance with this
Agreement; provided, however, that for purposes of this Agreement, (i) a record holder of shares of Preferred Stock convertible into Registrable Securities shall be deemed to be the Holder of such Registrable Securities
(ii) a record holder of shares of Series D Preferred Stock convertible into such Series D Registrable Securities shall be deemed the Holder of such Series D Registrable Securities, and (iii) a record holder of shares of
Series D’ Preferred Stock convertible into such Series D’ Registrable Securities shall be deemed the Holder of such Series D’ Registrable Securities; and provided, further, that the Company shall in no
event be obligated to register shares of Preferred Stock, and the Holders of Registrable Securities will not be required to convert their shares of Preferred Stock into Common Stock in order to exercise the registration rights granted hereunder
until immediately before the closing of the offering to which the registration relates (and then only to the extent necessary to sell the Registrable Securities to be sold in such offering). 
 (g) Exchange Act. The term “Exchange Act” means the Securities Exchange Act of 1934, as amended. 
 (h) Form S-3. The term “Form S-3” means Form S-3 under the Securities Act as in effect on the date hereof or any successor
registration form under the Securities Act subsequently adopted by the SEC that permits inclusion or incorporation of substantial information by reference to other documents filed by the Company with the SEC. 
 (i) SEC. The term “SEC” or “Commission” means the United States Securities and Exchange Commission. 

(j) Series D Registrable Securities. The term “Series D Registrable Securities” shall mean the shares of Common
Stock issued or issuable upon conversion of the Series D Preferred Stock and any shares of a security issued as (or issuable upon the conversion or exercise of any warrant, right or other security that is issued as) a dividend or other
distribution with respect to, in exchange for or in replacement of any shares of Series D Preferred Stock. 
 (k) Series D’
Registrable Securities. The term “Series D’ Registrable Securities” shall mean the shares of Common Stock issued or issuable upon conversion of the Series D’ Preferred Stock and any shares of a security
issued as (or issuable upon the conversion or exercise of any warrant, right or other security that is issued as) a dividend or other distribution with respect to, in exchange for or in replacement of any shares of Series D’ Preferred
Stock. 
 (l) Special Registration Statement. The term “Special Registration Statement” shall mean (i) any
registration statement relating to any employee benefit plan; (ii) with respect to any corporate reorganization or transaction under Rule 145 of the Securities Act, any registration statement related to the issuance or resale of securities
issued in such a transaction; (iii) any registration statement related to stock issued upon conversion of debt securities; or (iv) any WKSI Shelf Registration Statement. 
  

 4 

 (m) SVB. The term “SVB” means SVB Financial Group. 
 (n) SVB Warrants. The term “SVB Warrants” means any warrants to purchase the Company’s capital stock which have been issued
or hereinafter are issued to Silicon Valley Bank and/or SVB in connection with that certain Loan and Security Agreement, dated as of October 12, 2007, and any amendments thereto or extension thereof. 
 (o) WKSI Shelf Registration Statement. The term “WKSI Shelf Registration Statement” shall mean a registration statement on Form
S-3 under the Securities Act (or any successor form to Form S-3) which registration statement shall become effective upon filing with the Commission pursuant to Rule 462(e) under the Securities Act (or any successor or similar rule under the
Securities Act adopted by the Commission). 
 (p) Other Definitions. Capitalized terms not otherwise defined herein have the meanings
set forth in that certain Series E Preferred Stock Purchase Agreement dated as of October 2, 2006 (the “Stock Purchase Agreement”). 
 2.2 Request for Registration. 
 (a) If the Company shall receive at any time after the earlier of
(i) October 2, 2009, or (ii) six (6) months after the effective date of the first registration statement for a firm commitment underwritten public offering of the Company’s Common Stock, a written request from (A) the
Holders of at least 20% of the Series D Registrable Securities and Series D’ Registrable Securities then outstanding, electing together as a single class, or (B) the Holders of at least 50% of the Registrable Securities then
outstanding, that the Company file a registration statement under the Securities Act covering the registration of Registrable Securities and having an aggregate offering price of not less than $5,000,000, then the Company shall: 
 (i) within 30 days of the receipt thereof, give written notice of such request to all Holders; and 
 (ii) effect as soon as practicable, and in any event within 90 days of the receipt of such request, the registration under the Securities
Act of all Registrable Securities that the Holders request to be registered, subject to the limitations of subsection 2.2(b). 
 (b) If the
Holders initiating the registration request hereunder (the “Initiating Holders”) intend to distribute the Registrable Securities covered by their request by means of an underwriting, they shall so advise the Company as a part of
their request made pursuant to subsection 2.2(a) and the Company shall include such information in the written notice referred to in subsection 2.2(a)(i). The underwriter will be selected by the Company within 10 days of giving the notice described
in subsection 2.2(a)(i) and shall be reasonably acceptable to a majority in interest of the Initiating Holders. In such event, the right of any Holder to include his or her Registrable Securities in such registration shall be conditioned upon
such Holder’s participation in such underwriting and the inclusion of such Holder’s Registrable Securities in the underwriting (unless otherwise mutually agreed to by a majority in interest of the Initiating Holders and such Holder) to the
extent provided herein. All Holders proposing to distribute their securities through such underwriting shall (together with the Company as provided in 

  

 5 

 
subsection 2.5(e)) enter into an underwriting agreement in customary form with the underwriter or underwriters selected for such underwriting.
Notwithstanding any other provision of this Section 2.2, if the underwriter advises the Initiating Holders in writing that marketing factors require a limitation of the number of shares to be underwritten, then the Initiating Holders shall so
advise all Holders of Registrable Securities which would otherwise be underwritten pursuant hereto, and the number of shares of Registrable Securities that may be included in the underwriting shall be allocated among all Holders thereof, including
the Initiating Holders, in proportion (as nearly as practicable) to the amount of Registrable Securities owned by each Holder; provided, however, that the number of shares of Registrable Securities to be included in such underwriting
shall not be reduced unless all other securities are first entirely excluded from the underwriting. 
 (c) Notwithstanding the foregoing, if
the Company shall furnish to the Holders requesting a registration statement pursuant to this Section 2.2 a certificate signed by the Chief Executive Officer or President of the Company stating that in the good faith judgment of the Board it
would be detrimental to the Company and its stockholders for such registration statement to be filed and it is therefore in the best interests of the Company to defer the filing of such registration statement, the Company shall have the right to
defer taking action with respect to such filing for a period of not more than 90 days; provided, however, that the Company may not utilize this right more than once in any 12-month period. 
 (d) In addition, the Company shall not be obligated to effect, or to take any action to effect, any registration: 
 (i) with respect to a registration statement pursuant to Section 2.2(a)(A), if the Company has effected two registrations pursuant to
Section 2.2(a)(A) and such registrations have been declared or ordered effective; 
 (ii) with respect to a registration
statement pursuant to Section 2.2(a)(B), if the Company has effected two registrations pursuant to this Section 2.2(a)(B) and such registrations have been declared or ordered effective; 
 (iii) during the period starting with the date 90 days prior to the Board’s good faith estimate of the filing date of a registration
statement (other than a registration statement relating to any employee benefit plan or to a corporate reorganization) (provided that notice of such estimated filing date is given to the Initiating Holders within 30 days of their request for
registration) and ending on the date 180 days after the effective date of the first registration statement for a firm commitment underwritten public offering of the Company’s Common Stock or the date 90 days after the effective date of any
other registration statement (other than a registration statements relating to any employee benefit plan or to a corporate reorganization); provided that the Company is actively employing in good faith reasonable efforts to cause such registration
statement to become effective; or 
 (iv) if the Initiating Holders propose to dispose of shares of Registrable Securities
that may be immediately registered on Form S-3 pursuant to a request made pursuant to Section 2.4 below. 
  

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 (e) The Company shall pay all expenses incurred in connection with each registration requested pursuant
to this Section 2.2 (excluding underwriters’ or brokers’ discounts and commissions) including, without limitation, all filing, federal and “blue sky” registration and qualification fees, printers’ and accounting fees,
the fees and expenses of counsel for the Company, and the reasonable fees and disbursements of one counsel for the selling Holder or Holders; provided, however, that the Company shall not be required to pay for any expenses of any
registration proceeding begun pursuant to this Section 2.2 if the registration request is subsequently withdrawn at the request of the Holders of at least 50% of the Registrable Securities to be registered unless the registration is withdrawn
because the Company disclosed information that is materially adverse to the Company or its stock price, in which case the Company will be required to pay such expenses. 
 2.3 Piggyback Registrations. The Company shall promptly notify all Holders of Registrable Securities in writing twenty (20) days prior to filing any registration statement under the Securities Act for
purposes of effecting a public offering of securities of the Company (including, but not limited to, registration statements relating to secondary offerings of securities of the Company by selling stockholders, but excluding (i) Special
Registration Statements, (ii) registration statements relating to any registration under Section 2.4 of this Agreement, and (iii) registrations on any form that does not include substantially the same information as would be required
to be included in a registration statement covering the sale of the Registrable Securities) and will afford each such Holder an opportunity to include in such registration statement all or any part of the Registrable Securities then held by such
Holder. Each Holder desiring to include in any such registration statement all or any part of the Registrable Securities held by such Holder shall, within 20 days after receipt of the above-described notice from the Company, so notify the Company in
writing, and in such notice shall inform the Company of the number of Registrable Securities such Holder wishes to include in such registration statement. If a Holder decides not to include all of its Registrable Securities in any registration
statement thereafter filed by the Company, such Holder shall nevertheless continue to have the right to include any Registrable Securities in any subsequent registration statement or registration statements as may be filed by the Company with
respect to offerings of its securities, all upon the terms and conditions set forth herein. Any Holder who elects to include some or all of its Registrable Securities pursuant to this Section 2.3 shall cooperate with the Company in the
preparation of any and all documents and instruments the Company reasonably deems necessary for the preparation of any applicable registration statement, and such Holders shall supply the Company with any and all information the Company reasonably
deems necessary with respect to any registration statement. 
 (a) Right to Terminate Registration. The Company shall have the right
to terminate or withdraw any registration initiated by it under this Section 2.3 prior to the effectiveness of such registration whether or not any Holder has elected to include securities in such registration. The expenses of such withdrawn
registration shall be borne by the Company in accordance with 2.3(c). 
 (b) Underwriting. If a registration statement for which the
Company gives notice pursuant to this Section 2.3 is for an underwritten offering, then the Company shall so advise the Holders of Registrable Securities. In such event, the right of any Holder’s Registrable Securities to be included in a
registration pursuant to this Section 2.3 shall be conditioned upon 

  

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such Holder’s participation in such underwriting and the inclusion of such Holder’s Registrable Securities in the underwriting to the extent
provided herein. All Holders proposing to distribute their Registrable Securities through such underwriting shall enter into an underwriting agreement in customary form with the managing underwriter or underwriter(s) selected for such underwriting.
Notwithstanding any other provision of this Agreement, if the managing underwriter(s) determine(s) in good faith that marketing factors require a limitation of the number of shares to be underwritten, then the managing underwriter(s) may exclude
shares (including Registrable Securities) from the registration and the underwriting but in no event shall the amount of securities of the selling Holders included in the offering be reduced below thirty percent (30%) of the total amount of
securities included in such offering, unless such offering is the initial public offering of the Common Stock pursuant to an effective registration statement filed under the Securities Act (the “IPO”), in which case the selling
stockholders may be excluded if the underwriters make the determination described above and no other stockholder’s securities are included. The number of shares that may be included in the registration and the underwriting shall be allocated
first, to the Company and second, to the Holders requesting inclusion of their Registrable Securities in such registration on a pro rata basis based upon the total number of Registrable Securities then held by each such Holder;
provided, however, that the right of the underwriters to exclude shares from the registration and underwriting as described above in this Section 2.3 shall be restricted so that all shares (i) that are not Registrable
Securities and (ii) held by Founders, directors and employees of the Company, regardless of whether such shares are Registrable Securities, shall first be excluded from such registration and underwriting. If any Holder disapproves of the terms
of any such underwriting, such Holder may elect to withdraw therefrom by written notice to the Company and the underwriter, delivered at least 20 business days prior to the effective date of the registration statement. Any Registrable Securities
excluded or withdrawn from such underwriting shall be excluded and withdrawn from the registration. For any Holder that is a partnership or corporation, the partners, retired partners and shareholders of such Holder, or the estates and family
members of any such partners, shareholders and retired partners and any trusts for the benefit of any of the foregoing persons shall be deemed to be a single “Holder,” and any pro rata reduction with respect to such “Holder”
shall be based upon the aggregate amount of shares carrying registration rights owned by all entities and individuals included in such “Holder,” as defined in this sentence. 
 (c) Expenses. All expenses incurred in connection with a registration pursuant to this Section 2.3 (excluding underwriters’ and
brokers’ discounts and commissions) including, without limitation, all filing, federal and “blue sky” registration and qualification fees, printers’ and accounting fees, the fees and expenses of counsel for the Company, and the
reasonable fees and disbursements of one counsel for the selling Holder or Holders shall be borne by the Company. 
 2.4 Form S-3
Registration. In the event the Company shall receive from any Holder or Holders of at least 25% of all Registrable Securities then outstanding a written request or requests that the Company effect a registration on Form S-3 and any related
qualification or compliance with respect to all or a part of the Registrable Securities owned by such Holder or Holders, then the Company will: 
  

 8 

 (a) Notice. Promptly give written notice of the proposed registration and the Holder’s or
Holders’ request therefor, and any related qualification or compliance, to all other Holders; and 
 (b) Registration. As soon as
reasonably practicable, effect such registration and all such qualifications and compliances as may be so requested and as would permit or facilitate the sale and distribution of all or such portion of such Holder’s or Holders’ Registrable
Securities as are specified in such request, together with all or such portion of the Registrable Securities of any other Holder or Holders joining in such request as are specified in a written request given within 20 days after receipt of such
written notice from the Company; provided, however, that the Company shall not be obligated to effect any such registration, qualification or compliance pursuant to this Section 2.4: 
 (i) if Form S-3 is not available for such offering by the Holders; 
 (ii) if the Holders, together with the holders of any other securities of the Company entitled to inclusion in such registration, propose
to sell Registrable Securities and such other securities (if any) at an aggregate price to the public of less than $1,000,000; 
 (iii) if the Company shall furnish to the Holders a certificate signed by the President of the Company stating that in the good faith judgment of the Board, it would be detrimental to the Company and its stockholders for such Form S-3
Registration to be effected at such time, in which event the Company shall have the right to defer the filing of the Form S-3 registration statement no more than twice during any 12-month period for a period of not more than 90 days, after receipt
of the request of the Holder or Holders under this Section 2.4; or 
 (iv) after the Company has effected two
registrations pursuant to this Section 2.4 in any twelve month period and such registrations have been declared or ordered effective. 
 (c) Expenses. The Company shall pay all expenses incurred in connection with each registration requested pursuant to this Section 2.4 (excluding underwriters’ or brokers’ discounts and commissions) including, without
limitation, all filing, federal and “blue sky” registration and qualification fees, printers’ and accounting fees, the fees and expenses of counsel for the Company, and (in the case of the first three registrations under this
Section 2.4) the reasonable fees and disbursements of one counsel for the selling Holder or Holders. 
 2.5 Obligations of the
Company. Whenever required to effect the registration of any Registrable Securities under this Agreement, the Company shall, as expeditiously as reasonably possible: 
 (a) Prepare and file with the SEC a registration statement with respect to such Registrable Securities and use its reasonable efforts to cause such registration statement to become effective and, upon the request of
the Holders of a majority of the Registrable Securities registered thereunder, keep such registration statement effective for until the earlier of (i) 120 successive days or (ii) such time as the distribution contemplated in the
registration statement has been completed. 
  

 9 

 (b) Prepare and file with the SEC such amendments and supplements to such registration statement and the
prospectus used in connection with such registration statement as may be reasonably necessary to comply with the provisions of the Securities Act with respect to the disposition of all securities covered by such registration statement. 

(c) Furnish to the Holders such number of copies of a prospectus, including a preliminary prospectus, in conformity with the requirements of the
Securities Act, and such other documents as they may reasonably request in order to facilitate the disposition of the Registrable Securities owned by them that are included in such registration. 
 (d) Use its reasonable efforts to register and qualify the securities covered by such registration statement under such other securities or blue sky laws
of such jurisdictions as shall be reasonably requested by the Holders, provided that the Company shall not be required in connection therewith or as a condition thereto to qualify to do business or to file a general consent to service of process or
subject itself to taxation in any such states or jurisdictions. 
 (e) In the event of any underwritten public offering, enter into and
perform its obligations under an underwriting agreement, in usual and customary form, with the managing underwriter(s) of such offering. Each Holder participating in such underwriting shall also enter into and perform its obligations under such an
underwriting agreement. 
 (f) Cause all such Registrable Securities registered pursuant hereunder to be listed on each securities exchange
on which similar securities issued by the Company are then listed. 
 (g) Provide a transfer agent and registrar for all Registrable
Securities registered pursuant hereunder and a CUSIP number for all such Registrable Securities, in each case not later than the effective date of such registration. 
 (h) Notify each Holder covered by such registration statement at any time when a prospectus relating thereto is required to be delivered under the Securities Act of the happening of any event of which the Company
becomes aware as a result of which the prospectus included in such registration statement, as then in effect, includes an untrue statement of a material fact or omits to state a material fact required to be stated therein or necessary to make the
statements therein not misleading in the light of the circumstances then existing. 
 (i) Furnish, at the request of any Holder requesting
registration of Registrable Securities, on the date that such Registrable Securities are delivered to the underwriters for sale, if such securities are being sold through underwriters or, if such securities are not being sold through underwriters,
on the date that the registration statement with respect to such securities becomes effective, (i) an opinion, dated as of such date, of the counsel representing the Company for the purposes of such registration, in form and substance as is
customarily given to underwriters in an underwritten public offering, or if not underwritten, in form and substance as is customarily given to underwriters and reasonably satisfactory to counsel to the Holder offering the greatest number of
Registrable Securities for sale in the registration, addressed to the 

  

 10 

 
underwriters, if any, and to the Holders requesting registration of Registrable Securities, and (ii) a “comfort” letter dated as of such date,
from the independent certified public accountants of the Company, in form and substance as is customarily given by independent certified public accountants to underwriters in an underwritten public offering, or if not underwritten, in form and
substance as is customarily given to underwriters and reasonably satisfactory to counsel to the Holder offering the greatest number of Registrable Securities for sale in the registration, addressed to the underwriters, if any, and to the Holders
requesting registration of Registrable Securities. 
 2.6 Furnish Information. It shall be a condition precedent to the obligations of
the Company to take any action pursuant to Sections 2.2, 2.3 or 2.4 that the selling Holders shall furnish to the Company such information regarding themselves, the Registrable Securities held by them and the intended method of disposition of such
securities as shall be required to timely effect the registration of their Registrable Securities. 
 2.7 Indemnification. In the
event any Registrable Securities are included in a registration statement under Sections 2.2, 2.3 or 2.4: 
 (a) By the Company. To the
extent permitted by law, the Company will indemnify and hold harmless each Holder, the partners, officers and directors of each Holder, any underwriter (as defined in the Securities Act) for such Holder and each person, if any, who controls such
Holder or underwriter within the meaning of the Exchange Act, against any losses, claims, damages or liabilities (joint or several) to which they may become subject under the Securities Act, the Exchange Act or other federal or state law, insofar as
such losses, claims, damages or liabilities (or actions in respect thereof) arise out of or are based upon any of the following statements, omissions or violations (collectively a “Violation”): 
 (i) any untrue statement or alleged untrue statement of a material fact contained in such registration statement, including any
preliminary prospectus or final prospectus contained therein or any amendments or supplements thereto; 
 (ii) the omission or
alleged omission to state in such registration statement, including any preliminary prospectus or final prospectus contained therein or any amendments or supplements thereto, a material fact required to be stated therein, or necessary to make the
statements therein not misleading; or 
 (iii) any violation or alleged violation by the Company of the Securities Act, the
Exchange Act, any federal or state securities law or any rule or regulation promulgated under the Securities Act, the Exchange Act or any federal or state securities law in connection with the offering covered by such registration statement;

 and the Company will reimburse each such Holder or partner, officer, director, underwriter or controlling person or Affiliate of such Holders for any
legal or other expenses reasonably incurred by them, in connection with investigating or defending any such loss, claim, damage, liability or action; provided, however, that the indemnity agreement contained in this subsection 2.7(a) shall not
apply to amounts paid in settlement of any such loss, claim, damage, liability or action if such settlement is effected without the consent of the Company, which 

  

 11 

 
consent shall not be unreasonably withheld or delayed, nor shall the Company be liable in any such case for any such loss, claim, damage, liability or action
to the extent that it arises out of or is based upon a Violation that occurs in reliance upon and in conformity with written information furnished expressly for use in connection with such registration by such Holder, partner, officer, director,
underwriter or controlling person of such Holder. 
 (b) By Selling Holders. To the extent permitted by law, each selling Holder will
indemnify and hold harmless the Company, each of its directors, each of its officers who have signed the registration statement, each person, if any, who controls the Company within the meaning of the Securities Act, any underwriter and any other
Holder selling securities under such registration statement or any of such other Holder’s partners, directors or officers or any person who controls such Holder within the meaning of the Securities Act or the Exchange Act, against any losses,
claims, damages or liabilities (joint or several) to which the Company or any such director, officer, controlling person, underwriter or other such Holder, partner or director, officer or controlling person of such other Holder may become subject
under the Securities Act, the Exchange Act or other federal or state law, insofar as such losses, claims, damages or liabilities (or actions in respect thereto) arise out of or are based upon any Violation, in each case to the extent (and only to
the extent) that such Violation occurs in reliance upon and in conformity with written information furnished by such Holder expressly for use in connection with such registration; and each such Holder will reimburse any legal or other expenses
reasonably incurred by the Company or any such director, officer, controlling person, underwriter or other Holder, partner, officer, director or controlling person of such other Holder in connection with investigating or defending any such loss,
claim, damage, liability or action; provided, however, that the indemnity agreement contained in this subsection 2.7(b) shall not apply to amounts paid in settlement of any such loss, claim, damage, liability or action if such
settlement is effected without the consent of such Holder, which consent shall not be unreasonably withheld or delayed; and provided, further, that the total amounts payable in indemnity by a Holder under this Section 2.7(b) in
respect of any Violation shall not exceed the net proceeds received by such Holder in the registered offering out of which such Violation arises. 
 (c) Notice. Promptly after receipt by an indemnified party under this Section 2.7 of notice of the commencement of any action (including any governmental action), such indemnified party will, if a claim in respect thereof is to
be made against any indemnifying party under this Section 2.7, deliver to the indemnifying party a written notice of the commencement thereof and the indemnifying party shall have the right to participate in and, to the extent the indemnifying
party so desires, jointly with any other indemnifying party similarly noticed, to assume the defense thereof with counsel mutually satisfactory to the parties; provided, however, that an indemnified party (together with all other
indemnified parties which may be represented without conflict by one counsel) shall have the right to retain one separate counsel, with the fees and expenses to be paid by the indemnifying party, if representation of such indemnified party by the
counsel retained by the indemnifying party would be inappropriate due to actual or potential differing of interests between such indemnified party and any other party represented by such counsel in such proceeding. The failure to deliver written
notice to the indemnifying party within a reasonable time of the commencement of any such action, if prejudicial to its ability to defend such action, shall relieve such indemnifying party of liability to the extent so prejudiced to the indemnified
party under this Section 2.7, but the omission so to deliver written notice to the indemnifying party will not relieve it of any liability that it may have to any indemnified party otherwise than under this Section 2.7. 
  

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 (d) Contribution. In order to provide for just and equitable contribution to joint liability under
the Securities Act in any case in which either (i) any Holder exercising rights under this Agreement, or any controlling person of any such Holder, makes a claim for indemnification pursuant to this Section 2.7 but it is judicially
determined (by the entry of a final judgment or decree by a court of competent jurisdiction and the expiration of time to appeal or the denial of the last right of appeal) that such indemnification may not be enforced in such case notwithstanding
the fact that this Section 2.7 provides for indemnification in such case, or (ii) contribution under the Securities Act may be required on the part of any such selling Holder or any such controlling person in circumstances for which
indemnification is provided under this Section 2.7, then, and in each such case, the Company and such Holder will contribute to the aggregate losses, claims, damages or liabilities to which they may be subject (after contribution from others)
in such proportion so that such Holder is responsible for the portion represented by the percentage that the public offering price of its Registrable Securities offered by and sold under the registration statement bears to the public offering price
of all securities offered by and sold under such registration statement, and the Company and other selling Holders shall be responsible for the remaining portion; provided, however, that, in any such case, (A) no such Holder will
be required to contribute any amount in excess of the net proceeds received by such Holder from the public offering price of all such Registrable Securities offered and sold by such Holder pursuant to such registration statement and (B) no
person or entity guilty of fraudulent misrepresentation (within the meaning of Section 11(f) of the Securities Act) will be entitled to contribution from any person or entity who was not guilty of such fraudulent misrepresentation. 

(e) Underwriting Agreement. Notwithstanding the foregoing, to the extent that the provisions on indemnification and contribution contained in
the underwriting agreement entered into in connection with an underwritten public offering are in conflict with the foregoing provisions, the provisions in the underwriting agreement shall control and supersede the provisions hereof. 
 (f) Survival. The obligations of the Company and Holders under this Section 2.7 shall survive the closing of the transactions contemplated
hereby. 
 2.8 Rule 144 Reporting. With a view to making available the benefits of certain rules and regulations of the Commission
that may at any time permit the sale of the Registrable Securities to the public without registration, after such time as the Company has become subject to the reporting requirements of the Exchange Act, the Company agrees to: 
 (a) make and keep public information available, as those terms are understood and defined in Rule 144 under the Securities Act, at all times after 90 days
after the IPO, in accordance with the requirements of Rule 144(c), after the effective date of the first registration under the Securities Act filed by the Company for an offering of its securities to the general public; 
  

 13 

 (b) use its reasonable efforts to file with the Commission in a timely manner all reports and other
documents required of the Company under the Securities Act and the Exchange Act (at any time after it has become subject to such reporting requirements); and 
 (c) so long as a Holder owns any Registrable Securities, furnish to such Holder forthwith upon request (i) a written statement by the Company as to its compliance with the reporting requirements of Rule 144 (at
any time after 90 days after the effective date of the first registration statement filed by the Company for an offering of its securities to the general public) and of the Securities Act and the Exchange Act (at any time after it has become subject
to the reporting requirements of the Exchange Act), (ii) a copy of the most recent annual or quarterly report of the Company and (iii) such other reports and documents of the Company as a Holder may reasonably request in availing itself of
any rule or regulation of the Commission allowing a Holder to sell any such securities without registration (at any time after the Company has become subject to the reporting requirements of the Exchange Act). 
 2.9 Termination of Registration Rights. The rights to cause the Company to register securities under Section 2 of this Agreement (and to
receive notices pursuant to Section 2 of this Agreement) shall terminate, with respect to each Holder, on the earlier of (i) the fifth anniversary of the date of the closing of the IPO, and (ii) with respect to each Holder, at such
time following the closing of the IPO when all of such Holder’s Registrable Securities may be sold in any three-month period without registration pursuant to Rule 144 under the Securities Act. 
 2.10 Limitations on Subsequent Registration Rights. From and after the date of this Agreement, the Company shall not, without the prior written
consent of the Holders of at least sixty-six and seven-tenths percent (66.7%) of the Registrable Securities then outstanding, enter into any agreement with any holder or prospective holder of any securities of the Company that would allow such
holder or prospective holder to include such securities in any registration filed under Section 2.3 hereof, unless under the terms of such agreement such holder or prospective holder may include such securities in any such registration only to
the extent that the inclusion of such securities will not reduce the amount of Registrable Securities of the Holders to be included. 
 2.11
“Market Stand Off” Agreement. 
 (a) Each Investor hereby agrees that, during the period of duration not to exceed 180 days
specified by the Company and an underwriter of Common Stock or other securities of the Company, following the effective date of the first registration statement for a firm commitment underwritten public offering of the Company’s securities
filed under the Securities Act, and, for a period of duration not to exceed 90 days specified by the Company and an underwriter of Common Stock or other securities of the Company, following the effective date of each subsequent registration
statement for a firm commitment underwritten public offering of the Company’s securities filed under the Securities Act, it shall not, to the extent requested by the Company and such underwriter, directly or indirectly, sell, offer to sell,
contract to sell (including, without limitation, any short sale), grant any option to purchase or otherwise transfer or dispose of (other than to donees who agree to be similarly bound), or reduce its interest in (collectively,
“Transfer”), any securities of the Company held by it at any time during such period except Common Stock included in such registration; provided, however, that all 

  

 14 

 
executive officers, directors and stockholders that hold one percent (1%) or more of the Common Stock (including on an as-converted basis any shares of
Common Stock issuable upon the conversion or exercise of any share of Preferred Stock, warrant, right or other security) of the Company enter into similar agreements. Such restrictions, however, shall not be applicable to transfers to any affiliated
entity of such Investor, including any affiliated corporation, partnership, limited partnership, limited liability company or investment fund, or to any stockholders, partners, general partners, limited partners and members of such Investor, in each
case who agree in writing to be bound by this Agreement, including this Section 2.11. 
 (b) In order to enforce the foregoing
covenants, the Company may impose stop transfer instructions with respect to the Registrable Securities of the Investors (and the shares or securities of every other person subject to the foregoing restriction) until the end of such period.
Notwithstanding the foregoing, the obligations described in this Section 2.11 shall not apply to a registration relating solely to employee benefit plans on Form S-1 or Form S-8 or similar forms that may be promulgated in the future, or to a
registration relating solely to a Commission Rule 145 transaction. 
 2.12 S-3 Registration Requirements. Notwithstanding anything
else contained in this Agreement, the Company shall not become obligated to become subject to the Exchange Act and, the Investors acknowledge, until such time as the Company becomes subject to the Exchange Act, the Company will be legally precluded
from registering securities under a Form S-3 and, accordingly, no provisions in this Agreement to the contrary shall be deemed to require the Company to undertake such a registration until the Company legally is qualified to do so. 
 3. RIGHT OF FIRST OFFER. 
 3.1 General.

 (a) Each Investor holding at least 900,000 shares of Preferred Stock and/or Common Stock issued or issuable upon the conversion thereof
(each such Investor hereinafter referred to as a “Rights Holder”) has the right of first offer to purchase such Rights Holder’s Pro Rata Share (as defined below) of all (or any part) of any “New Securities” (as
defined in Section 3.2) that the Company may from time to time issue after the date of this Agreement at the most favorable price and at the most favorable terms and conditions as the Company offers to any investor in connection with the
offering of New Securities. 
 (b) A Rights Holder’s “Pro Rata Share” for purposes of this right of first offer is the
ratio of (a) the number of Registrable Securities as to which such Rights Holder is the Holder (and/or is deemed to be the Holder under Section 2.1(d)) to (b) a number of shares of Common Stock equal to the sum of (i) the total
number of shares of Common Stock then outstanding plus (ii) the total number of shares of Common Stock into which all then outstanding shares of Preferred Stock are then convertible plus (iii) the total number of shares of Common Stock
available for issuance pursuant to equity incentive plans approved by the Board or upon the conversion of all other convertible securities. 
 3.2 New Securities. “New Securities” shall mean any Common Stock or Preferred Stock of the Company, whether now authorized or not, and rights, options or warrants to 

  

 15 

 
purchase such Common Stock or Preferred Stock, and securities of any type whatsoever, including notes or other debt instruments, that are, or may become,
convertible or exchangeable into such Common Stock or Preferred Stock; provided, however, that the term “New Securities” does not include: 
 (a) shares of the Common Stock (and/or options or warrants therefor) issued or issuable to employees, officers, directors, contractors, advisors or
consultants of the Company pursuant to stock options or other stock incentive agreements or plans approved by the Board and not primarily for equity financing purposes; 
 (b) any shares of Series E Preferred Stock issued on or after the date hereof pursuant to the terms of the Stock Purchase Agreement; 
 (c) any shares of Common Stock or other securities issuable upon conversion of or with respect to any then outstanding shares of Series A Preferred Stock, Series B-1 Preferred Stock, Series C Preferred
Stock, Series D Preferred Stock, Series D’ Preferred Stock or Series E Preferred Stock or Common Stock or other securities issuable upon conversion thereof; 
 (d) shares of Series D’ Preferred Stock (or Common Stock issued upon conversion thereof) issuable upon exercise of currently outstanding
warrants; 
 (e) shares of Series D Preferred Stock (or Common Stock issued upon conversion thereof) issuable upon exercise of currently
outstanding warrants; 
 (f) shares of Series C Preferred Stock (or Common Stock issued upon conversion thereof) issuable upon exercise
of currently outstanding warrants; 
 (g) any shares of Common Stock or Preferred Stock (or any other security of the Company) issued in
connection with any stock split or stock dividend; 
 (h) any securities offered by the Company to the public pursuant to a registration
statement filed under the Securities Act; 
 (i) any securities issued pursuant to the acquisition of another corporation or entity by the
Company by consolidation, merger, purchase of all or substantially all of the assets or other reorganization in which the Company acquires, in a single transaction or Series of related transactions, all or substantially all of the assets of
such other corporation or entity, 50% or more of the voting power of such other corporation or entity, or 50% or more of the equity ownership of such other entity; or 
 (j) shares of any capital stock (and/or options or warrants therefor) issued to parties providing the Company with equipment leases, real property leases, loans, credit lines, guaranties of indebtedness, cash price
reductions or similar financing or other strategic partners approved by the Board of Directors and not primarily for equity financing purposes. 
 3.3 Procedures. If the Company proposes to undertake an issuance of New Securities, it shall give written notice to each Rights Holder of its intention to issue New Securities (the “Notice”), describing the type of
New Securities and the price and the general terms upon which 

  

 16 

 
the Company proposes to issue such New Securities. Each Rights Holder shall have thirty days from the date of mailing of any such Notice to agree in writing
to purchase such Rights Holder’s Pro Rata Share of such New Securities for the price and upon the general terms specified in the Notice by giving written notice to the Company and stating therein the quantity of New Securities to be purchased
(not to exceed such Rights Holder’s Pro Rata Share). Notwithstanding the terms set forth in the Notice, each Rights Holder shall have the right to pay cash for New Securities offered in the Notice. If any Rights Holder fails to so agree in
writing within such thirty day period to purchase such Rights Holder’s full Pro Rata Share of an offering of New Securities (a “Nonpurchasing Holder”), then such Nonpurchasing Holder shall forfeit the right hereunder to
purchase that part of its Pro Rata Share of such New Securities that it did not so agree to purchase and the Company shall promptly give each Rights Holder (if any) who has timely agreed to purchase its full Pro Rata Share of such offering of New
Securities (a “Purchasing Holder”) written notice of the failure of any Nonpurchasing Holder to purchase such Nonpurchasing Rights Holder’s full Pro Rata Share of such offering of New Securities (the “Overallotment
Notice”). Each Purchasing Holder shall have a right of overallotment such that such Purchasing Holder may agree to purchase a portion of the Nonpurchasing Holder’s unpurchased Pro Rata Share of such offering on a pro rata basis
according to the relative Pro Rata Shares of the Purchasing Rights Holders at any time within five days after receiving the Overallotment Notice. 
 3.4 Failure to Exercise. If any Rights Holder fails to exercise in full the right of first offer within such thirty plus five day period, then the Company shall have 60 days thereafter to sell the New Securities with respect to which
such Rights Holder’s rights of first offer hereunder were not exercised, at a price and upon general terms not materially more favorable to the purchasers thereof than specified in the Notice. If the Company has not issued and sold the New
Securities within such 60 day period, then the Company shall not thereafter issue or sell any New Securities without again first offering such New Securities to the Rights Holders pursuant to this Section 3. 
 3.5 Termination. This right of first offer shall terminate (i) immediately before the closing of a Qualified IPO or (ii) upon
(a) the acquisition of all or substantially all the assets of the Company or (b) an acquisition of the Company by another corporation or entity by consolidation or merger in which the holders of the Company’s outstanding voting stock
immediately prior to such transaction own, immediately after such transaction, securities representing less than 50% or more of the voting power of the corporation or other entity surviving such transaction. 
 4. COVENANTS OF THE COMPANY. 
 4.1 Vesting
Schedule. Unless the Board so authorizes, the Company shall not issue any shares of Common Stock directly or indirectly to its employees, either through equity compensation plans or otherwise, unless such shares of Common Stock are
(a) subject to a vesting schedule, such that 25% of the shares of Common Stock so issued would vest on the one-year anniversary of the date of issuance or vesting commencement date, as applicable, with the balance vesting in thirty-six
(36) equal monthly installments thereafter, thereby totaling a four-year vesting schedule and (b) subject to a right of first refusal in favor of the Company in the event of transfer. The covenants in this Section 4.1 shall terminate
upon a Qualified IPO. 
  

 17 

 4.2 Board Visitation Rights. The parties hereto hereby agree that unless the Company’s Board
of Directors determines, in its sole discretion, that it would be inappropriate to do so for reasons of confidentiality or potential conflicts of interest, the Company shall invite one representative designated by Mobius Venture Capital, one
representative designated by Venture Strategy Partners, one representative designated by T Venture, one representative designated by SOFTBANK Capital Partners, one representative designated by Institutional Venture Partners X, L.P., one
representative designated by Adams Street V, L.P., one representative designated by Motorola, Inc. from its venture division and Matthew J. Hershenson (each an “Observer” and together, the “Observers”) to attend all
meetings of its Board of Directors in a nonvoting observer capacity and, in this respect, shall give the Observers copies of all notices, minutes, consents, and other non-confidential material that it provides to its directors. The Observers may
participate in discussions of matters brought to the Board of Directors; provided, however, that such Observers agree (i) to hold in confidence and trust and not use or disclose any confidential information provided to or learned
by them in connection with their rights under this Agreement, and (ii) that the Observers may be excluded from, and shall not be delivered written information with respect to, any portion of a meeting of the Board of Directors in which
management intends to disclose confidential business information regarding (a) product strategy, pricing, technology, customer relationships or similar matters if a majority of the Board of Directors determines, in advance of such meeting, that
the disclosure of such information to the Observers would be detrimental to the Company’s business, or (b) joint marketing arrangements, joint development projects, mergers, acquisitions, joint ventures or strategic alliances if a majority
of the Board of Directors determines that disclosure of such information to the Observers would be detrimental to the Company’s business. In the event a representative of T Venture is appointed to the Board of Directors to fill the seat of the
Deutsche Telekom Director, as defined in the Company’s Amended and Restated Voting Agreement, dated as of the date hereof, the Company’s obligation to invite a T Venture Observer shall terminate. Mr. Hershenson’s rights under
this Section 4.2 shall terminate in the event Mr. Hershenson is employed (either on a full, part time or consulting basis), by a competitor of the Company, as determined by the Board in good faith and in its sole discretion. 
 4.3 Director Expenses. The Company shall reimburse the directors elected by a majority of the Series A Preferred Stock, a majority of the
Series B-1 Preferred Stock and Series C Preferred Stock and the Series D Preferred Stock, and the Observers (the “Representatives”) for the reasonable out-of-pocket travel expenses incurred by the Representatives in
connection with the attendance of meetings of the Company’s Board of Directors (and only for the Company’s portion of such expenses in the event such expenses are allocable to other board meetings or business matters of a Representative).
Other authorized expenses of the Representatives shall be reimbursed in accordance with the Company’s expense reimbursement policy. 
 4.4 Proprietary Information and Inventions Agreement. The Company will cause each person now or hereafter employed by it or any subsidiary with access to confidential information to enter into a proprietary information and inventions
agreement substantially in the form approved by the Board of Directors. 
 4.5 Audit. The Company shall continue to retain a “Big
Four” accounting firm which shall certify the Company’s financial statements at the end of each fiscal year. In the event the 

  

 18 

 
services of the “Big Four” firm so selected, or any “Big Four” firm hereafter employed by the Company is terminated, the Company will
promptly thereafter notify the Holders and will request the “Big Four” firm whose services are terminated to deliver to the Holders a letter from such firm setting forth the reasons for the termination of their services. In the event of
such termination, the Company will promptly thereafter engage another “Big Four” firm. In its notice to the Holders the Company shall state whether the change of accountants was recommended or approved by the Board of Directors of the
Company or any committee thereof. 
 4.6 Key-Man Insurance. The Company shall maintain term life insurance policies, payable to the
Company, on the lives of the Joe F. Britt, Jr. and Matthew J. Hershenson, each in the amount of $1,000,000. 
 4.7 Employment
Agreements. The Company will cause certain of its key employees (each, a “Key Employee”) to be bound by employment agreements which: (i) restrict a Key Employee’s ability to compete with the Company during the term of
their employment, (ii) bars each Key Employee from holding any ownership interest in any competitor of the Company, except for de minimis holdings in competitors that are publicly traded on a national stock exchange, (iii) prohibit a Key
Employee from soliciting or hiring any persons then employed by the Company, for up to one year following the cessation of such Key Employee’s employment with the Company, or (iv) prohibit a Key Employee from disclosing confidential
information of the Company. 
 4.8 Termination of Covenants. The covenants in this Section 4 shall terminate
(i) immediately before the closing of a Qualified IPO or (ii) upon (a) the acquisition of all or substantially all the assets of the Company or (b) an acquisition of the Company by another corporation or entity by consolidation
or merger in which the holders of the Company’s outstanding voting stock immediately prior to such transaction own, immediately after such transaction, securities representing less than 50% or more of the voting power of the corporation or
other entity surviving such transaction. 
 5. ASSIGNMENT AND AMENDMENT. 
 5.1 Assignment. Notwithstanding anything herein to the contrary: 
 (a) Information and Inspection
Rights. The rights of the Investors under Section 1.1 or 1.2 hereof may be assigned only to a transferee who acquires from the Investors (or the Investors’ permitted assigns) at least 900,000 shares of Preferred Conversion Stock.

 (b) Registration Rights; First Offer Rights. The rights of a Holder under Section 2 and Section 3 hereof may be assigned
only with and pursuant to a transfer of Registrable Securities to: (i) any direct or indirect partner or retired partner of any such Holder or Rights Holder that is a partnership; (ii) any family member or trust for the benefit of any
Holder or Rights Holder who is an individual; (iii) any member or former member of a holder which is a limited liability company; (iv) any corporation, limited liability company, limited partnership or other entity that merges with,
acquires all, or substantially all, of the assets of, or otherwise is the successor to the business of, a Holder or Rights Holder, or to any other entity that is the survivor entity in any reorganization involving a Holder or Rights Holder;
(v) any 

  

 19 

 
Holder holding at least 1,500,000 shares of Registrable Securities as of the date of this Agreement; (vi) a transferee who acquires from one or more
Holders (or the Holders’ permitted assigns) at least 1,500,000 shares of Preferred Conversion Stock and (vii) to the extent not included above, any affiliate of a Holder or Rights Holder, including, without limitation, any affiliated
corporation, partnership, limited partnership, limited liability company, investment fund or to any stockholders, partners, general partners, limited partners and members of such Holder or Rights Holder; provided, however, that no
party may be assigned any of the foregoing rights unless the Company is given written notice by the assigning party at the time of such assignment stating the name and address of the assignee and identifying the securities of the Company as to which
the rights in question are being assigned; provided, further, that any such assignee shall receive such assigned rights subject to all the terms and conditions of this Agreement, including without limitation the provisions of this
Section 5. 
 5.2 Amendment of Rights. Unless otherwise provided for herein, any provision of this Agreement may be amended and
the observance thereof may be waived (either generally or in a particular instance and either retroactively or prospectively) only with the written consent of the Company and the holders of at least a majority of the Registrable Securities then
outstanding; provided, however, that (i) any amendment or waiver which would have the effect of removing any rights applicable to the Series D’ Preferred Stock shall require the approval of the holders of at least a
majority of the Series D’ Preferred Stock then outstanding (it being understood and agreed that upon conversion of all outstanding shares of Series D’ Preferred Stock to Common Stock, this clause (i) shall terminate in its
entirety and shall have no further force or effect); and (ii) Section 4.2 shall not be amended to remove or adversely affect the rights of any of the named parties therein, without the prior written consent of such named party. Any
amendment or waiver effected in accordance with this Section 5.2 shall be binding upon each Investor, Holder and Rights Holder, each permitted successor or assignee of each Investor, Holder or Rights Holder, and the Company. 
 5.3 New Investors. Notwithstanding anything herein to the contrary, if additional parties purchase shares of Series E Preferred Stock, then such
new investors shall become a party to this Agreement as “Investors” and “Holders” hereunder, without the need for any consent, approval or signature of any other Investor, Holder or any Founder when such new investor has
purchased shares of Series E Preferred Stock, paid the Company all consideration payable for such shares and executed a counterpart signature page to this Agreement. 
 6. GENERAL PROVISIONS. 
 6.1 Notices. Any notice, request or other communication required or
permitted hereunder shall be in writing and shall be deemed to have been duly given when personally delivered or five days after deposit in the U.S. mail by registered or certified mail, return receipt requested, postage prepaid, as follows:

 (a) if to the Investors, at the addresses set forth on the signature pages hereto. 
 (b) if to the Company, at 3101 Park Blvd., Palo Alto, CA 94306, Attn: Chief Executive Officer; with a copy, which shall not constitute notice, to Cooley
Godward LLP, Attn: Mark Tanoury, Five Palo Alto Square, 3000 El Camino Real, Palo Alto, CA 94306. 
 (c) if to the Founders, at the addresses
set forth on the signature pages hereto. 
  

 20 

 Any party hereto (and such party’s permitted assigns) may by notice so given change its address for future notices
hereunder by giving ten days’ advance notice to all other parties. Notice shall conclusively be deemed to have been given when personally delivered or when deposited in the mail in the manner set forth above. 
 6.2 Legends. Each certificate representing Registrable Securities shall be stamped or otherwise imprinted with legends substantially similar to
the following: 
 THE SALE, PLEDGE, HYPOTHECATION OR TRANSFER OF THE SECURITIES REPRESENTED BY THIS CERTIFICATE IS SUBJECT TO THE TERMS AND
CONDITIONS OF A CERTAIN AMENDED AND RESTATED INVESTOR RIGHTS AGREEMENT BY AND BETWEEN THE STOCKHOLDER AND THE COMPANY. COPIES OF SUCH AGREEMENT MAY BE OBTAINED UPON WRITTEN REQUEST TO THE SECRETARY OF THE COMPANY. 
 6.3 Entire Agreement. This Agreement, together with all the exhibits hereto, constitutes and contains the entire agreement and understanding of
the parties with respect to the subject matter hereof and supersedes any and all prior negotiations, correspondence, agreements, understandings, duties or obligations between the parties respecting the subject matter hereof, including, without
limitation, the Prior Agreement, and no party shall be liable or bound to in any other manner by any representations, warranties, covenants and agreements except as specifically set forth herein and therein. 
 6.4 Governing Law. This Agreement shall be governed by and construed exclusively in accordance with the internal laws of the State of California
as applied to agreements among California residents entered into and to be performed entirely within California, excluding that body of law relating to conflict of laws and choice of law. Each of the parties irrevocably and unconditionally waives to
the fullest extent permitted by law, any and all rights to a trial by jury in connection with any litigation arising out of or relating to this Agreement or the transactions contemplated hereby 
 6.5 Severability. If one or more provisions of this Agreement are held to be unenforceable under applicable law, then such provision(s) shall be
excluded from this Agreement and the balance of this Agreement shall be interpreted as if such provision(s) were so excluded and shall be enforceable in accordance with its terms. 
 6.6 Third Parties. Nothing in this Agreement, express or implied, is intended to confer upon any person, other than the parties hereto and their
successors and assigns, any rights or remedies under or by reason of this Agreement. 
 6.7 Successors and Assigns. Subject to the
provisions of Section 5, the provisions of this Agreement shall inure to the benefit of, and shall be binding upon, the successors and permitted assigns of the parties hereto. Notwithstanding anything in this Agreement to the contrary but
subject to the provisions of Section 5, each Investor may assign its rights and 

  

 21 

 
delegate its obligations hereunder in connection with a transfer of Registrable Securities, in whole or in part, to any affiliate of such Investor,
including, without limitation, any affiliated corporation, partnership, limited partnership, limited liability company or investment fund, or to any stockholders, partners, general partners, limited partners and members of such Investor. 

6.8 Captions. The captions to sections of this Agreement have been inserted for identification and reference purposes only and shall not be
used to construe or interpret this Agreement. 
 6.9 Counterparts. This Agreement may be executed in counterparts, each of which shall
be deemed an original, but all of which together shall constitute one and the same instrument. 
 6.10 Costs and Attorneys’ Fees.
If any action, suit or other proceeding is instituted concerning or arising out of this Agreement or any transaction contemplated hereunder, the prevailing party shall recover all of such party’s costs and attorneys’ fees incurred in each
such action, suit or other proceeding, including any and all appeals or petitions therefrom. 
 6.11 Adjustments for Stock Splits,
Etc. Wherever in this Agreement there is a reference to a specific number of shares of Common Stock or Preferred Stock of any class or series, then, upon the occurrence of any subdivision, combination or stock dividend of such class or
series of stock, the specific number of shares so referenced in this Agreement shall automatically be proportionally adjusted to reflect the effect on the outstanding shares of such class or series of stock by such subdivision, combination
or stock dividend. 
 6.12 Aggregation of Stock. All shares held or acquired by affiliated entities or persons shall be aggregated
together for the purpose of determining the availability of any rights under this Agreement. 
 6.13 Amendment and Restatement of Prior
Agreement. The Prior Agreement is hereby amended in its entirety and restated herein. Such amendment and restatement is effective upon the execution of this Agreement by (i) the Company, (ii) the holders of at least a majority
of the Registrable Securities (as defined in the Prior Agreement) outstanding as of the date of this Agreement, and (iii) the holders of at least a majority of the Series D’ Preferred Stock outstanding as of the date of this Agreement.
Upon such execution, all provisions of, rights granted and covenants made in the Prior Agreement are hereby waived, released and superseded in their entirety and shall have no further force or effect. 
 [Remainder of page intentionally left blank] 
  

 22 

 IN WITNESS WHEREOF, the parties hereto have executed this Agreement as of the date and year first above
written. 
  

			
	COMPANY:
	
	DANGER, INC.
		
	By:	 	 /s/ Henry R. Nothhaft

		 	Henry R. Nothhaft
		 	Chairman and Chief Executive Officer

 [SIGNATURE PAGE TO INVESTORS’ RIGHTS AGREEMENT] 
  

			
	FOUNDERS
		
	By:	 	  

		 	Andrew E. Rubin
	Address:	 	[address]
		 	 [address]

		
	By:	 	 /s/ Matthew J. Hershenson

		 	Matthew J. Hershenson
	Address:	 	[address]
		 	 [address]

	
	JOE FREEMAN BRITT, JR., OR HIS SUCCESSOR,
	AS TRUSTEE OF THE JOE FREEMAN BRITT,
JR.
	REVOCABLE LIVING TRUST CREATED UTA
	DATED MAY 30, 2003, AS AMENDED
	
	 /s/ Joe Freeman Britt, Jr.

	Joe Freeman Britt, Jr., Trustee
	Address:	 	 [address]

		 	 [address]

 [SIGNATURE PAGE TO INVESTORS’ RIGHTS AGREEMENT] 

			
	INVESTORS:
	
	SOFTBANK Capital Partners LP
		
	By:	 	SOFTBANK Capital Partners LLC, its
		 	General Partner
		
	By:	 	 /s/ Steven J. Murray

	Name:	 	Steven J. Murray
	Title:	 	Administrative Member
	Address:	 	1188 Centre Street
		 	Newton Center, MA 02459
	
	SOFTBANK Capital Advisors Fund LP
		
	By:	 	SOFTBANK Capital Partners LLC, its
		 	General Partner
		
	By:	 	 /s/ Steven J. Murray

	Name:	 	Steven J. Murray
	Title:	 	Administrative Member
	Address:	 	1188 Centre Street
		 	Newton Center, MA 02459
	
	SOFTBANK Capital LP
		
	By:	 	SOFTBANK Capital Partners LLC, its
		 	General Partner
		
	By:	 	 /s/ Steven J. Murray

	Name:	 	Steven J. Murray
	Title:	 	Administrative Member
	Address:	 	1188 Centre Street
		 	Newton Center, MA 02459

 [SIGNATURE PAGE TO INVESTORS’ RIGHTS AGREEMENT] 
  

			
	Meritech Capital Partners II L.P.
		
	By:	 	Meritech Capital Associates II L.L.C.,
		 	its General Partner
		
	By:	 	Meritech Management Associates II L.L.C.,
		 	a managing member
		
	By:	 	 /s/ Paul S. Madera

		 	Paul S. Madera, a managing member
		
	Address:	 	245 Lytton Avenue, Suite 350
		 	Palo Alto, CA 94301
	
	Meritech Capital Affiliates II L.P.
		
	By:	 	Meritech Capital Associates II L.L.C.,
		 	its General Partner
		
	By:	 	Meritech Management Associates II L.L.C.,
		 	a managing member
		
	By:	 	 /s/ Paul S. Madera

		 	Paul S. Madera, a managing member
		
	Address:	 	245 Lytton Avenue, Suite 350
		 	Palo Alto, CA 94301
	
	MCP Entrepreneur Partners II L.P.
		
	By:	 	Meritech Capital Associates II L.L.C.,
		 	its General Partner
		
	By:	 	Meritech Management Associates II L.L.C.,
		 	a managing member
		
	By:	 	 /s/ Paul S. Madera

		 	Paul S. Madera, a managing member
		
	Address:	 	245 Lytton Avenue, Suite 350
		 	Palo Alto, CA 94301

 [SIGNATURE PAGE TO INVESTORS’ RIGHTS AGREEMENT] 

			
	Redpoint Ventures II, L.P., by its
	General Partner Redpoint Ventures II, LLC
	
	Redpoint Associates II, LLC, as nominee
	
	Redpoint Technology Partners Q-I, L.P., by its
	General Partner Redpoint Ventures I, LLC
	
	Redpoint Technology Partners A-I, L.P., by its
	General Partner Redpoint Ventures I, LLC
		
	By:	 	 /s/ Jeffrey Brody

		 	                            , Managing Director

	Address:	 	3000 Sand Hill Road
		 	Bldg 2, Suite 290
		 	Menlo Park, CA 94025

 [SIGNATURE PAGE TO INVESTORS’ RIGHTS AGREEMENT] 

			
	Mobius Technology Ventures VI, L.P.
	
	SOFTBANK U.S. Ventures Fund VI, L.P.
	
	Mobius Technology Ventures Advisors Fund VI, L.P.
	
	Mobius Technology Ventures Side Fund VI, L.P.
	
	Each by: Mobius VI LLC, General Partner
		
	By:	 	 /s/ Greg Galanos

	Name:	 	Greg Galanos
	Title:	 	Managing Director
	Address:	 	1050 Walnut Street, Suite 210
		 	Boulder, CO 80302

 [SIGNATURE PAGE TO INVESTORS’ RIGHTS AGREEMENT] 

			
	Venture Strategy Partners II LP
		
	By:	 	Venture Strategy Management Company II LLC
	Its:	 	General Partner
		
	By:	 	 /s/ Joanna Rees

		 	Joanna Rees
		 	Managing Member
		
	Address:	 	201 Post Street, Suite 1100
		 	San Francisco, CA 94108
	
	Venture Strategy Affiliates Fund LP
		
	By:	 	Venture Strategy Management Company II LLC
	Its:	 	General Partner
		
	By:	 	 /s/ Joanna Rees

		 	Joanna Rees
		 	Managing Member
		
	Address:	 	201 Post Street, Suite 1100
		 	San Francisco, CA 94108

 [SIGNATURE PAGE TO INVESTORS’ RIGHTS AGREEMENT] 
  

					
	T-Mobile Venture Fund GmbH & Co. KG
			
	By:	 	 /s/ Axel Kolb
	  	 /s/ ppa. Schenkel

	Title:	 	Dr. Axel Kolb	  	Norbert Schenkel
		 	Managing Director	  	Senior Manager Controlling
			
	Address:	 	Gotenstr. 156	  	
		 	53175 Bonn	  	
		 	Germany	  	

 [SIGNATURE PAGE TO INVESTORS’ RIGHTS AGREEMENT] 
  

 EXHIBIT A 
 Series A Holders 
  

	1.	Mobius Technology Ventures VI, L.P. 

	2.	SOFTBANK U.S. Ventures Fund VI L.P. 

	3.	Mobius Technology Ventures Advisors Fund VI L.P. 

	4.	Mobius Technology Ventures Side Fund VI L.P. 

	5.	AmidZad, LLC 

	6.	Peter T. Barrett 

	7.	Christopher M. White 

	8.	Joe F. Britt, Jr. 

	9.	John Matheny and Lyne Plamondon 

	10.	Bruce Leak 

	11.	Stewart Alsop 

	12.	Ed Taylor 

	13.	Zarko Draganic 

	14.	Konstantin Othmer 

	15.	GC & H Investments 

	16.	Brobeck, Phleger & Harrison LLP 

  

 Exhibit A – Page 1 

 EXHIBIT B 
 Series B-1 Holders 
  

	1.	Redpoint Ventures II, L.P. 

	2.	Redpoint Associates II, LLC 

	3.	Redpoint Technology Partners Q-I, L.P. 

	4.	Redpoint Technology Partners A-I, L.P. 

	5.	Mobius Technology Ventures VI, L.P. 

	6.	SOFTBANK U.S. Ventures Fund VI, L.P. 

	7.	Mobius Technology Ventures Advisors Fund VI, L.P. 

	8.	Mobius Technology Ventures Side Fund VI, L.P. 

	9.	T-Mobile Venture Fund GmbH & Co.KG 

	10.	2. T-Telematik Venture Beteiligungsgesellschaft mbh 

	11.	inOvate Communications Group, LLC 

	12.	WireFree Services Belgium S.A., London Branch 

	13.	Diamondhead Ventures, L.P. 

	14.	Diamondhead Ventures Advisory Fund, L.P. 

	15.	Diamondhead Ventures Principals Fund, L.P. 

  

 Exhibit B – Page 1 

 EXHIBIT C 
 Series C Holders 
  

	1.	Redpoint Ventures II, L.P. 

	2.	Redpoint Associates II, LLC 

	3.	Redpoint Technology Partners Q-I, L.P. 

	4.	Redpoint Technology Partners A-I, L.P. 

	5.	Mobius Technology Ventures VI, L.P. 

	6.	SOFTBANK U.S. Ventures Fund VI, L.P. 

	7.	Mobius Technology Ventures Advisors Fund VI, L.P. 

	8.	Mobius Technology Ventures Side Fund VI, L.P. 

	9.	T-Mobile Venture Fund GmbH & Co.KG 

	10.	inOvate Communications Group, LLC 

	11.	WireFree Services Belgium S.A., London Branch 

	12.	Diamondhead Ventures, L.P. 

	13.	Diamondhead Ventures Advisory Fund, L.P. 

	14.	Diamondhead Ventures Principals Fund, L.P. 

	15.	Heller Financial Leasing, Inc. 

	16.	Venture Strategy Partners II, L.P. 

	17.	Venture Strategy Affiliates Fund, L.P. 

  

 Exhibit C – Page 1 

 EXHIBIT D 
 Series D Holders 
  

	1.	SOFTBANK Capital Partners LP 

	2.	SOFTBANK Capital Advisors Fund LP 

	3.	SOFTBANK Capital LP 

	4.	Meritech Capital Partners II LP 

	5.	Meritech Capital Affiliates II LP 

	6.	MCP Entrepreneur Partners II L.P. 

	7.	Redpoint Ventures II, L.P. 

	8.	Redpoint Associates II, LLC 

	9.	Mobius Technology Ventures VI, L.P. 

	10.	SOFTBANK U.S. Ventures Fund VI, L.P. 

	11.	Mobius Technology Ventures Advisors Fund VI, L.P. 

	12.	Mobius Technology Ventures Side Fund VI, L.P. 

	13.	Diamondhead Ventures, L.P. 

	14.	Diamondhead Ventures Advisory Fund, L.P. 

	15.	Diamondhead Ventures Principals Fund, L.P. 

	16.	Venture Strategy Partners II, L.P. 

	17.	Venture Strategy Affiliates Fund, L.P. 

	18.	Ohana Holdings, LLC 

	19.	T-Mobile Venture Fund GmbH & Co.KG 

  

 Exhibit D – Page 1 

 EXHIBIT E 
 Series D’ Holders 
  

	1.	SOFTBANK Capital Partners LP 

	2.	SOFTBANK Capital Advisors Fund LP 

	3.	SOFTBANK Capital LP 

	4.	Meritech Capital Partners II LP 

	5.	Meritech Capital Affiliates II LP 

	6.	MCP Entrepreneur Partners II L.P. 

	7.	Redpoint Ventures II, L.P. 

	8.	Redpoint Associates II, LLC 

	9.	Mobius Technology Ventures VI, L.P. 

	10.	SOFTBANK U.S. Ventures Fund VI, L.P. 

	11.	Mobius Technology Ventures Advisors Fund VI, L.P. 

	12.	Mobius Technology Ventures Side Fund VI, L.P. 

	13.	Diamondhead Ventures, L.P. 

	14.	Diamondhead Ventures Advisory Fund, L.P. 

	15.	Diamondhead Ventures Principals Fund, L.P. 

	16.	Venture Strategy Partners II, L.P. 

	17.	Venture Strategy Affiliates Fund, L.P. 

	18.	T-Mobile Venture Fund GmbH & Co.KG 

	19.	Institutional Venture Partners X, L.P. 

	20.	Institutional Venture Partners X GmbH & Co. Beteiligungs KG 

	21.	Function Engineering 

	22.	Sung Kim 

	23.	Adams Street V, L.P. 

	24.	Motorola, Inc. 

  

 Exhibit E – Page 1 

 EXHIBIT F 
 Series E Holders 
  

	1.	Sharp Corporation 

	2.	ATEL Ventures, Inc., as Trustee 

  

 Exhibit F – Page 1 

 EXHIBIT G 
 Warrant Holders 
  

	1.	Heller Financial Leasing, Inc 

	2.	SVB Financial Group 

  

 Exhibit G – Page 1

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