Document:

Complete Genomics, Inc. Employee Stock Purchase Plan

  
 Exhibit 10.15

 COMPLETE GENOMICS, INC. 
 EMPLOYEE STOCK PURCHASE PLAN 
 ARTICLE I. 

PURPOSE, SCOPE AND ADMINISTRATION OF THE PLAN 

1.1    Purpose and Scope.  The purpose of the Complete Genomics, Inc. Employee
Stock Purchase Plan (the “Plan”) is to assist employees of Complete Genomics, Inc. and its Designated Subsidiaries in acquiring a stock ownership interest in the Company pursuant to a plan which is intended to qualify as an
“employee stock purchase plan” under Section 423 of the Internal Revenue Code of 1986, as amended. 
 1.2    Administration of Plan.  The Plan shall be administered by the Committee. The Committee shall have the power to make, amend and repeal rules and regulations for
the interpretation and administration of the Plan consistent with the qualification of the Plan under Section 423 of the Code, and the Committee also is authorized to change the Offering Periods and Exercise Dates under the Plan by providing
notice to all Eligible Employees as soon as practicable prior to the date on which such changes will take effect. The Committee may delegate administrative tasks under the Plan to one or more Employees of the Company. The Committee’s
interpretation and decisions with respect to the Plan shall be final and conclusive. 
 ARTICLE II. 

DEFINITIONS 
 Whenever the following terms are used in the Plan, they shall have the meaning specified below unless the context clearly indicates to the contrary. The singular pronoun shall include the plural where the
context so indicates. 
 2.1    “Administrator” shall mean the Committee,
or such individuals to which authority to administer the Plan has been delegated under Section 1.2 . 

2.2    “Board” shall mean the Board of Directors of the Company. 

2.3    “Code” shall mean the Internal Revenue Code of 1986, as amended. 

2.4    “Committee” shall mean the Compensation Committee of the Board. 

2.5    “Common Stock” shall mean shares of common stock, par value $0.001, of the
Company. 
 2.6    “Company” shall mean Complete Genomics, Inc., a
Delaware corporation. 
 2.7    “Compensation” shall mean the base wages,
overtime, shift differentials, vacation pay, salaried production schedule premiums, holiday pay, jury duty pay, funeral leave pay, military pay, prior week adjustments and weekly bonus paid to an Employee by the Company or a Designated Subsidiary in
accordance with established payroll procedures. 

  

2.8    “Designated Subsidiary” shall mean the Subsidiaries that have
been designated by the Committee from time to time in its sole discretion as eligible to participate in the Plan, including any Subsidiary in existence on the Effective Date and any Subsidiary formed or acquired following the Effective Date.

 2.9    “Effective Date” shall mean the date on which a registration
statement on Form S-8 becomes effective with respect to the Plan. 

2.10    “Eligible Employee” shall mean an Employee who (a) is customarily
scheduled to work at least 20 hours per week, (b) whose customary employment is more than five (5) months in a calendar year and (c) after the granting of the Option would not be deemed for purposes of Section 423(b)(3) of the
Code to possess 5% or more of the total combined voting power or value of all classes of stock of the Company or any Subsidiary. For purposes of clause (d), the rules of Section 424(d) of the Code with regard to the attribution of stock
ownership shall apply in determining the stock ownership of an individual, and stock which an Employee may purchase under outstanding options shall be treated as stock owned by the Employee. Notwithstanding the foregoing the Administrator may
exclude from participation in the Plan as an Eligible Employee any Employee who is a citizen or resident of a foreign jurisdiction (without regard to whether they are also a citizen of the United States or a resident alien (within the meaning of
Section 7701(b)(1)(A) of the Code) if either (i) the grant of the Option is prohibited under the laws of the jurisdiction governing such Employee, or (ii) compliance with the laws of the foreign jurisdiction would cause the Plan or
the Option to violate the requirements of Section 423 of the Code. 

2.11    “Employee” shall mean any person who renders services to the Company or a
Designated Subsidiary in the status of an employee within the meaning of Section 3401(c) of the Code. “Employee” shall not include any director of the Company or a Designated Subsidiary who does not render services to the Company or a
Designated Subsidiary in the status of an employee within the meaning of Section 3401(c) of the Code. For purposes of the Plan, the employment relationship shall be treated as continuing intact while the individual is on sick leave or other
leave of absence approved by the Company or Designated Subsidiary and meeting the requirements of Treasury Regulation Section 1.421-1(h)(2). Where the period of leave exceeds three (3) months, or such other period specified in Treasury
Regulation Section 1.421-1(h)(2), and the individual’s right to reemployment is not guaranteed either by statute or by contract, the employment relationship shall be deemed to have terminated on the first day immediately following such
three (3)-month period, or such other period specified in Treasury Regulation Section 1.421-1(h)(2). 

2.12    “Enrollment Date” shall mean the first Trading Day of each Offering Period.

 2.13    “Exercise Date” except as provided in Section 5.2, shall
mean the last Trading Day of each Offering Period. 
 2.14    “Exchange
Act” shall mean the Securities Exchange Act of 1934, as amended. 

  
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2.15    “Fair Market Value” mean, as of any date, the value of Common Stock
determined as follows: 
 (a)    If the Common Stock is listed on any established stock
exchange or a national market system, including without limitation the Nasdaq National Market or The Nasdaq SmallCap Market of The Nasdaq Stock Market, its Fair Market Value shall be the closing sales price for such stock (or the closing bid, if no
sales were reported) as quoted on such exchange or system on the Exercise Date, as reported in The Wall Street Journal or such other source as the Administrator deems reliable; 

(b)    If the Common Stock is regularly quoted by a recognized securities dealer but selling prices
are not reported, its Fair Market Value shall be the mean of the closing bid and asked prices for the Common Stock on the Exercise Date as reported in The Wall Street Journal or such other source as the Administrator deems reliable; or

 (c)    In the absence of an established market for the Common Stock, the Fair Market
Value thereof shall be determined in good faith by the Administrator. 

2.16    “Offering Date” shall mean the first Trading Day of an Offering Period.

 2.17    “Offering Period” shall mean the shall mean the six
(6) month period commencing on each May 15 and November 15 following the Effective Date. The duration and timing of Offering Periods may be changed by the Committee, in its sole discretion. In no event may an Offering Period exceed
twenty-seven (27) months. 
 2.18    “Option” shall mean the right to
purchase shares of Common Stock pursuant to the Plan during each Offering Period. 

2.19    “Option Price” shall mean the purchase price of a share of Common Stock
hereunder as provided in Section 4.2 below. 
 2.20    “Parent” means
any corporation, other than the Company, in an unbroken chain of corporations ending with the Company if, at the time of the determination, each of the corporations other than the Company owns stock possessing 50% or more of the total combined
voting power of all classes of stock in one of the other corporations in such chain. 

2.21    “Participant” shall mean any Eligible Employee who elects to participate in
the Plan. 
 2.22    “Plan” shall mean this Complete Genomics, Inc.
Employee Stock Purchase Plan, as it may be amended from time to time. 

2.23    “Plan Account” shall mean a bookkeeping account established and maintained
by the Company in the name of each Participant. 
 2.24    “Subsidiary”
shall mean any corporation, other than the Company, in an unbroken chain of corporations beginning with the Company if, at the time of the determination, each of the corporations other than the last corporation in an unbroken chain owns stock

  
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possessing 50% or more of the total combined voting power of all classes of stock in one of the other corporations in such chain; provided, however, that a limited liability company or
partnership may be treated as a Subsidiary to the extent either (i) such entity is treated as a disregarded entity under Treasury Regulation Section 301.7701-3(a) by reason of the Company or any other Subsidiary which is a corporation
being the sole owner of such entity, or (ii) such entity elects to be classified as a corporation under Treasury Regulation Section 301.7701-3(a) and such entity would otherwise qualify as a Subsidiary. 

2.25    “Trading Day” shall mean a day on which national stock exchanges are open
for trading. 
 ARTICLE III. 
 PARTICIPATION 

3.1    Eligibility. 

(a)    Any Eligible Employee who shall be employed by the Company or a Designated Subsidiary on a
given Enrollment Date for an Offering Period shall be eligible to participate in the Plan during such Offering Period, subject to the requirements of Articles IV and V, and the limitations imposed by Section 423(b) of the Code and the Treasury
Regulations thereunder. 
 (b)    No Eligible Employee shall be granted an Option under the
Plan which permits his rights to purchase stock under the Plan, and to purchase stock under all other employee stock purchase plans of the Company, any Parent or any Subsidiary subject to the Section 423, to accrue at a rate which exceeds
$25,000 of Fair Market Value of such stock (determined at the time the option is granted) for each calendar year in which the Option is outstanding at any time. For purposes of the limitation imposed by this subsection, the right to purchase stock
under an Option accrues when the Option (or any portion thereof) first becomes exercisable during the calendar year, the right to purchase stock under an Option accrues at the rate provided in the Option, but in no case may such rate exceed $25,000
of Fair Market Value of such stock (determined at the time such option is granted) for any one calendar year, and a right to purchase stock which has accrued under an Option may not be carried over to any other Option. This limitation shall be
applied in accordance with Section 423(b)(8) of the Code and the Treasury Regulations thereunder. 

3.2    Election to Participate; Payroll Deductions 

(a)    Except as provided in Section 3.3, an Eligible Employee may participate in the Plan only
by means of payroll deduction. An Eligible Employee may elect to participate in the Plan by delivering to the Company by such time designated by the Administrator preceding the Enrollment Date for such Offering Period a payroll deduction
authorization in such manner as prescribed by the Administrator. 
 (b)    Payroll
deductions (i) shall be equal to at least 1% of the Participant’s Compensation as of the Offering Date, but not more than the lesser of 15% of the 

  
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Participant’s Compensation as of the Offering Date or $12,500 per Offering Period; and (ii) may be expressed either as (A) a whole number percentage, or (B) a fixed dollar
amount, subject to the provisions of Section 3.1 hereof. Amounts deducted from a Participant’s Compensation pursuant to this Section 3.2 shall be credited to the Participant’s Plan Account. 

(c)    A Participant’s election to participate in the Plan with respect to an Offering Period
shall enroll such Participant in the Plan for each successive Offering Period at the same payroll deduction percentage as in effect at the termination of the prior Offering Period, unless such Participant delivers to the Company a different election
with respect to the successive Offering Period by such time and in such manner as is designated by the Administrator for enrollment in the Plan for such successive Offering Period, or unless such Participant becomes ineligible for participation in
the Plan. 
 3.3    Leave of Absence.  During leaves of absence approved
by the Company meeting the requirements of Treasury Regulation Section 1.421-1(h)(2) under the Code, a Participant may continue participation in the Plan by making cash payments to the Company on his or her normal payday equal to his or her
authorized payroll deduction. 
 ARTICLE IV. 
 PURCHASE OF SHARES 
 4.1    Grant
of Option.  Subject to the limitations of Section 3.1(b), each Participant participating in such Offering Period shall be granted an Option to purchase on the Exercise Date for such Offering Period (at the applicable Option Price)
up to a number of shares of Common Stock determined by dividing such Participant’s payroll deductions accumulated prior to such Exercise Date and retained in the Participant’s Plan Account on such Exercise Date by the applicable Option
Price; provided that in no event shall a Participant be permitted to purchase during each Offering Period more than 3,000 shares of Common Stock (subject to any adjustment pursuant to Section 5.2. The Administrator may, for future Offering
Periods, increase or decrease, in its absolute discretion, the maximum number of shares of Common Stock that a Participant may purchase during such future Offering Periods. The Option shall expire on the last day of the Offering Period. 

4.2    Option Price.  The Option Price per share of the Common Stock sold to
Participants hereunder shall be 85% of the Fair Market Value of such share on either the Offering Date or the Exercise Date of the Offering Period, whichever is lower, but in no event shall the Option Price per share be less than the par value per
share of the Common Stock. 
 4.3    Purchase of Shares. 

(a)    On each Exercise Date on which he or she is employed, each Participant will automatically and
without any action on his or her part be deemed to have exercised his or her Option to purchase at the Option Price the largest number of whole shares of Common Stock which can be purchased with the amount in the Participant’s Plan Account. The
balance, if any, remaining in the Participant’s Plan Account (after exercise of his or her Option) as of an Exercise Date shall be carried forward to the next Offering Period, unless the Participant has elected to withdraw from the Plan
pursuant to Section 6.1 below. 

  
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(b)    As soon as practicable following each Exercise Date, the number of shares of Common Stock
purchased by such Participant pursuant to subsection (a) above will be delivered, in the Company’s sole discretion, to either (i) the Participant, or (ii) an account established in the Participant’s name at a stock brokerage
or other financial services firm designated by the Company. If the Company is required to obtain from any commission or agency authority to issue any such shares of Common Stock, the Company will seek to obtain such authority. Inability of the
Company to obtain from any such commission or agency authority which counsel for the Company deems necessary for the lawful issuance of any such shares shall relieve the Company from liability to any Participant except to refund to him or her the
amount withheld. 
 4.4    Transferability of Rights.  An Option granted
under the Plan shall not be transferable and is exercisable only by the Participant. No option or interest or right to the option shall be available to pay off any debts, contracts or engagements of the Participant or his or her successors in
interest or shall be subject to disposition by pledge, encumbrance, assignment or any other means whether such disposition be voluntary or involuntary or by operation of law by judgment, levy, attachment, garnishment or any other legal or equitable
proceedings (including bankruptcy), and any attempt at disposition of the option shall have no effect. 
 ARTICLE V.

 PROVISIONS RELATING TO COMMON STOCK 

5.1    Common Stock Reserved.  Subject to adjustment as provided in
Section 5.2, the maximum number of shares of Common Stock that shall be made available for sale under the Plan shall be 750,000, plus an annual increase on the first day of each of the Company’s fiscal years beginning in 2011 and ending in
2020, equal to the least of (a) 2,800,000, (b) 2% of the shares of Common Stock outstanding on the last day of the immediately preceding fiscal year, or (c) such other number as is determined by the Board; provided, however, in no
event may the aggregate number of shares of Common Stock reserved for issuance under the Plan exceed 28,750,000 (subject to adjustment as provided in Section 5.2). Shares of Common Stock made available for sale under the Plan may be authorized
but unissued or reacquired shares reserved for issuance under the Plan. 

5.2    Adjustments Upon Changes in Capitalization, Dissolution, Liquidation, Merger or Asset
Sale. 
 (a)    Changes in Capitalization.  Subject to any required
action by the stockholders of the Company, the number of shares of Common Stock which have been authorized for issuance under the Plan but not yet placed under Option, as well as the price per share and the number of shares of Common Stock covered
by each Option under the Plan which has not yet been exercised shall be proportionately adjusted for any increase or decrease in the number of issued shares of Common Stock resulting from a stock split, reverse stock split, stock dividend,
combination or reclassification of the Common Stock, or any other increase or decrease in the number of shares of Common Stock effected without receipt of consideration by the Company; provided, however, that conversion of any
convertible securities of the Company shall not be deemed to have been “effected without receipt of consideration.” Such adjustment shall be made by the Administrator, whose determination in that respect shall be final, binding

  
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and conclusive. Except as expressly provided herein, no issuance by the Company of shares of stock of any class, or securities convertible into shares of stock of any class, shall affect, and no
adjustment by reason thereof shall be made with respect to, the number or price of shares of Common Stock subject to an Option. 
 (b)    Dissolution or Liquidation.  In the event of the proposed dissolution or liquidation of the Company, the Offering Period then in progress shall be shortened by
setting a new Exercise Date (the “New Exercise Date”), and shall terminate immediately prior to the consummation of such proposed dissolution or liquidation, unless provided otherwise by the Administrator. The New Exercise Date
shall be before the date of the Company’s proposed dissolution or liquidation. The Administrator shall notify each Participant in writing, at least ten (10) business days prior to the New Exercise Date, that the Exercise Date for the
Participant’s Option has been changed to the New Exercise Date and that the Participant’s Option shall be exercised automatically on the New Exercise Date, unless prior to such date the Participant has withdrawn from the Offering Period as
provided in Section 6.1 hereof. 
 (c)    Merger or Asset Sale.  In
the event of a proposed sale of all or substantially all of the assets of the Company, or the merger of the Company with or into another corporation, each outstanding Option shall be assumed or an equivalent Option substituted by the successor
corporation or a Parent or Subsidiary of the successor corporation. In the event that the successor corporation refuses to assume or substitute for the Option, any Offering Periods then in progress shall be shortened by setting a New Exercise Date
and any Offering Periods then in progress shall end on the New Exercise Date. The New Exercise Date shall be before the date of the Company’s proposed sale or merger. The Administrator shall notify each Participant in writing, at least ten
(10) business days prior to the New Exercise Date, that the Exercise Date for the Participant’s Option has been changed to the New Exercise Date and that the Participant’s Option shall be exercised automatically on the New Exercise
Date, unless prior to such date the Participant has withdrawn from the Offering Period as provided in Section 6.1 hereof. 
 5.3    Insufficient Shares.  If the Administrator determines that, on a given Exercise Date, the number of shares with respect to which Options are to be exercised may
exceed (i) the number of shares of Common Stock that were available for issuance under the Plan on the Enrollment Date of the applicable Offering Period, or (ii) the number of shares available for sale under the Plan on such Exercise Date,
the Administrator shall make a pro rata allocation of the shares of Common Stock available for issuance on such Exercise Date in as uniform a manner as shall be practicable and as it shall determine in its sole discretion to be equitable among all
Participants exercising Options to purchase Common Stock on such Exercise Date, and unless additional shares are authorized for issuance under the Plan, no further Offering Periods shall take place and the Plan shall terminate pursuant to
Section 7.4 hereof. The Company may make pro rata allocation of the shares available on the Enrollment Date of any applicable Offering Period pursuant to the preceding sentence, notwithstanding any authorization of additional shares for
issuance under the Plan by the Company’s shareholders subsequent to such Enrollment Date. If the Plan is so terminated, then the balance of the amount credited to the Participant’s Plan Account which has not been applied to the purchase of
shares of Common Stock shall be paid to such Participant in one lump sum in cash as soon as reasonably practicable after such Exercise Date, without any interest thereon. 

  
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5.4    Rights as Stockholders.  With respect to shares of Common Stock subject to an
Option, a Participant shall not be deemed to be a stockholder and shall not have any of the rights or privileges of a stockholder. A Participant shall have the rights and privileges of a stockholder when, but not until, shares have been deposited in
the designated brokerage account following exercise of his or her Option. 
 ARTICLE VI. 

TERMINATION OF PARTICIPATION 
 6.1    Cessation of Contributions; Voluntary Withdrawal. 
 (a)    A Participant may cease payroll deductions during an Offering Period by delivering written notice of such cessation to the Company in such form and at such time prior to the
Exercise Date for such Offering Period as may be established by the Administrator. Upon any such cessation, the Participant may elect either to withdraw from the Plan or to have amounts credited to his or her Plan Account held in the Plan for the
purchase of Common Stock pursuant to Section 4.3 for such Offering Period. Upon receipt of a notice of withdrawal from the Plan, the Participant’s payroll deduction authorization and his or her Option to purchase under the Plan
shall terminate. 
 (b)    A participant’s withdrawal from an Offering Period shall
not have any effect upon his or her eligibility to participate in any similar plan which may hereafter be adopted by the Company or in succeeding Offering Periods which commence after the termination of the Offering Period from which the Participant
withdraws. 
 (c)    A Participant who ceases contributions to the Plan during any Offering
Period shall not be permitted to resume contributions to the Plan during that Offering Period. 

6.2    Termination of Eligibility.  Upon a Participant’s ceasing to be an
Eligible Employee, for any reason, he or she shall be deemed to have elected to withdraw from the Plan and the Participant’s Plan Account shall be paid to such Participant or, in the case of his or her death, to the person or persons entitled
thereto pursuant to applicable law, as soon as reasonably practicable and such Participant’s Option for the Offering Period shall be automatically terminated. 
 ARTICLE VII. 
 GENERAL PROVISIONS 

7.1    Administration. 

(a)    It shall be the duty of the Administrator to conduct the general administration of the Plan
in accordance with the provisions of the Plan. The Administrator shall have the power to interpret the Plan and the terms of the options and to adopt such rules for the administration, interpretation, and application of the Plan as are consistent
therewith and to interpret, amend or revoke any such rules. The Administrator at its option may utilize the services of an agent to assist in the administration of the Plan including establishing and maintaining an individual securities account
under the Plan for each participant. In its absolute 

  
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discretion, the Board may at any time and from time to time exercise any and all rights and duties of the Administrator under the Plan. 

(b)    All expenses and liabilities incurred by the Administrator in connection with the
administration of the Plan shall be borne by the Company. The Administrator may, with the approval of the Committee, employ attorneys, consultants, accountants, appraisers, brokers or other persons. The Administrator, the Company and its officers
and directors shall be entitled to rely upon the advice, opinions or valuations of any such persons. All actions taken and all interpretations and determinations made by the Administrator in good faith shall be final and binding upon all
Participants, the Company and all other interested persons. No member of the Board or Administrator shall be personally liable for any action, determination or interpretation made in good faith with respect to the Plan or the options, and all
members of the Board or Administrator shall be fully protected by the Company in respect to any such action, determination, or interpretation. 
 7.2    Reports.  Individual accounts shall be maintained for each Participant in the Plan. Statements of Plan Accounts shall be given to Participants at least
annually, which statements shall set forth the amounts of payroll deductions, the Option Price, the number of shares purchased and the remaining cash balance, if any. 

7.3    Condition of Employment.  Neither the creation of the Plan nor an
Employee’s participation therein shall be deemed to create a contract of employment, any right of continued employment or in any way affect the right of the Company or a Subsidiary to terminate an Employee at any time with or without cause.

 7.4    Amendment and Termination of the Plan 

(a)    The Board may, in its sole discretion, amend, suspend or terminate the Plan at any time and
from time to time; provided, however, that without approval of the Company’s stockholders given within 12 months before or after action by the Board, the Plan may not be amended to increase the maximum number of shares subject to the Plan or
change the designation or class of Eligible Employees. 
 (b)    Without stockholder
consent and without regard to whether any participant rights may be considered to have been “adversely affected,” the Administrator shall be entitled to change the Offering Periods, limit the frequency and/or number of changes in the
amount withheld during an Offering Period, establish the exchange ratio applicable to amounts withheld in a currency other than U.S. dollars, permit payroll withholding in excess of the amount designated by a Participant in order to adjust for
delays or mistakes in the Company’s processing of properly completed withholding elections, establish reasonable waiting and adjustment periods and/or accounting and crediting procedures to ensure that amounts applied toward the purchase of
Common Stock for each Participant properly correspond with amounts withheld from the Participant’s Compensation, and establish such other limitations or procedures as the Administrator determines in its sole discretion advisable which are
consistent with the Plan. 

  
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(c)    In the event the Board determines that the ongoing operation of the Plan may result in
unfavorable financial accounting consequences, the Board may, in its discretion and, to the extent necessary or desirable, modify or amend the Plan to reduce or eliminate such accounting consequence including, but not limited to: 

(i)    altering the Option Price for any Offering Period including an Offering Period
underway at the time of the change in Option Price; 
 (ii)    shortening
any Offering Period so that the Offering Period ends on a new Exercise Date, including an Offering Period underway at the time of the Administrator action; and 

(iii)    allocating shares of Common Stock. 

Such modifications or amendments shall not require stockholder approval or the consent of any Participant. 

(d)    Upon termination of the Plan, the balance in each Participant’s Plan Account shall be
refunded as soon as practicable after such termination, without any interest thereon. 

7.5    Use of Funds; No Interest Paid.  All funds received by the Company by reason
of purchase of Common Stock under the Plan will be included in the general funds of the Company free of any trust or other restriction and may be used for any corporate purpose. No interest will be paid to any Participant or credited under the Plan.

 7.6    Term; Approval by Stockholders.  The Plan shall terminate on the
tenth anniversary of the date of its initial approval by the stockholders of the Company, unless earlier terminated by action of the Board. No Option may be granted during any period of suspension of the Plan or after termination of the Plan. The
Plan will be submitted for the approval of the Company’s stockholders within 12 months after the date of the Board’s initial adoption of the Plan. Options may be granted prior to such stockholder approval; provided, however, that such
Options shall not be exercisable prior to the time when the Plan is approved by the stockholders; provided further that if such approval has not been obtained by the end of said 12-month period, all Options previously granted under the Plan shall
thereupon be canceled and become null and void. 
 7.7    Effect Upon Other
Plans.  The adoption of the Plan shall not affect any other compensation or incentive plans in effect for the Company or any Subsidiary. Nothing in the Plan shall be construed to limit the right of the Company or any Subsidiary
(a) to establish any other forms of incentives or compensation for Employees of the Company or any Subsidiary, or (b) to grant or assume Options otherwise than under the Plan in connection with any proper corporate purpose, including, but
not by way of limitation, the grant or assumption of options in connection with the acquisition, by purchase, lease, merger, consolidation or otherwise, of the business, stock or assets of any corporation, firm or association. 

7.8    Conformity to Securities Laws.  Notwithstanding any other provision of the
Plan, the Plan and the participation in the Plan by any individual who is then subject to 

  
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Section 16 of the Exchange Act shall be subject to any additional limitations set forth in any applicable exemption rule under Section 16 of the Exchange Act (including any amendment to
Rule 16b-3 of the Exchange Act) that are requirements for the application of such exemptive rule. To the extent permitted by applicable law, the Plan shall be deemed amended to the extent necessary to conform to such applicable exemptive rule.

 7.9    Notice of Disposition of Shares.  The Company may require any
Participant to give the Company prompt notice of any disposition of shares of Common Stock, acquired pursuant to the Plan, within two years after the applicable Enrollment Date or within one year after the applicable Exercise Date with respect to
such shares. The Company may direct that any certificates evidencing shares acquired pursuant to the Plan refer to such requirement. 
 7.10    Tax Withholding.  The Company shall be entitled to require payment in cash or deduction from other compensation payable to each Participant of any sums
required by federal, state or local tax law to be withheld with respect to any purchase of shares of Common Stock under the Plan or any sale of such shares. 
 7.11    Governing Law.  The Plan and all rights and obligations thereunder shall be construed and enforced in accordance with the laws of the State of Delaware.

 7.12    Notices.  All notices or other communications by a participant
to the Company under or in connection with the Plan shall be deemed to have been duly given when received in the form specified by the Company at the location, or by the person, designated by the Company for the receipt thereof. 

7.13    Conditions To Issuance of Shares.  The Company shall not be required to
deposit any shares of Common Stock purchased upon the exercise of Options into the brokerage account of a participant prior to fulfillment of all the following conditions: 

(a)    The admission of such shares to listing on all stock exchanges, if any, on which is then
listed; and 
 (b)    The completion of any registration or other qualification of such
shares under any state or federal law or under the rulings or regulations of the Securities and Exchange Commission or any other governmental regulatory body, which the Administrator shall, in its absolute discretion, deem necessary or advisable;
and 
 (c)    The obtaining of any approval or other clearance from any state or federal
governmental agency which the Administrator shall, in its absolute discretion, determine to be necessary or advisable; and 
 (d)    The payment to the Company of all amounts which it is required to withhold under federal, state or local law upon exercise of the Option; and 

(e)    The lapse of such reasonable period of time following the exercise of the Option as the
Administrator may from time to time establish for reasons of administrative convenience. 

  
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7.14    Equal Rights and Privileges.  All Eligible Employees of the Company (or of
any Designated Subsidiary) will have equal rights and privileges under the Plan so that the Plan qualifies as an “employee stock purchase plan” within the meaning of Section 423 of the Code or applicable Treasury Regulations
thereunder. Any provision of the Plan that is inconsistent with Section 423 or applicable Treasury Regulations thereunder will, without further act or amendment by the Company, the Board or the Administrator, be reformed to comply with the
equal rights and privileges requirement of Section 423 or applicable Treasury Regulations thereunder. 
 * * * * * *

 I hereby certify that the foregoing Complete Genomics, Inc. Employee Stock Purchase Plan was duly approved by
the Compensation Committee of the Board of Directors of Complete Genomics, Inc. on                  , 2010. 

I hereby certify that the foregoing Complete Genomics, Inc. Employee Stock Purchase Plan was duly approved by the
stockholders of Complete Genomics, Inc. on                  , 2010. 

Executed on this      day of
            , 2010. 
  

	
	  

	 Secretary

  
 12Registration Rights Agreement

 Exhibit 4.2 
 REGISTRATION RIGHTS AGREEMENT 
 This Registration Rights Agreement (this
“Agreement”) dated as of August 17, 2010 is entered into by and among iGATE Corporation, a Pennsylvania corporation (the “Company”), and the Selling Shareholders listed on the signature page hereto. 

WHEREAS, the Selling Shareholders wish to diversify their holdings for estate planning purposes; 

WHEREAS, the Company intends to file a Registration Statement on Form S-3 (the “Registration Statement”) in order to enable the
Selling Shareholders to have greater flexibility with respect to the future disposition of their shares; 
 WHEREAS, the Company
and Selling Shareholders intend to fix their respective rights and obligations with respect to the Registration Statement and associated expenses; 
 NOW, THEREFORE, in consideration of the mutual covenants contained herein, the receipt and sufficiency of which are hereby acknowledged, the parties to this Agreement, intending to be legally bound, agree
as follows: 
 1. Definitions. As used in this Agreement, the following terms shall have the following meanings:

 “Common Stock” means the common stock, $.01 par value per share, of the Company. 

“Exchange Act” means the Securities Exchange Act of 1934, as amended. 

“Person” means an individual, partnership, corporation, limited liability company, joint venture,
association, joint stock company, trust or unincorporated organization, or a government or agency or political subdivision thereof. 
 “Prospectus” means the prospectus included in any Registration Statement, as amended or supplemented by any prospectus supplement and by all other amendments, and supplements to such
prospectus, including post-effective amendments, and all information incorporated by reference in such prospectus. 
 “Registrable Securities” means the 6,000,000 shares of Common Stock to be registered on the Registration Statement owned by the Selling Shareholders or by any family trusts, partnerships,
or charitable organizations established for the benefit of the immediate family members of the Selling Shareholders as of the date hereof; provided, however, that shares of Common Stock that are Registrable Securities shall cease to be
Registrable Securities upon the sale thereof pursuant to an effective Registration Statement or Rule 144 (or successor rule) under the Securities Act. 

 “Registration Expenses” means all fees and expenses
incurred by the Company in connection with a registration of its securities, including, without limitation, all registration and filings fee, exchange listing fees, printing expenses, transfer taxes, fees and disbursements of counsel for the
Company, blue sky fees and expenses, reasonable fees and disbursements of one counsel for the Selling Shareholders and the expense of any special audits incident to or required by any such registration. 

“Registration Statement” means the Registration Statement on Form S-3 filed under the Securities Act,
with respect to the Registrable Securities, including the Prospectus forming a part thereof, amendments and supplements to the Registration Statement, including post-effective amendments, and all exhibits to and all information incorporated by
reference in the Registration Statement. 
 “SEC” means the Securities and Exchange Commission.

 “Securities Act” means the Securities Act of 1933, as amended. 

“Selling Expenses” means, with respect to any holder of Registrable Securities, all underwriting
discounts, selling commissions and stock transfer or documentary stamp taxes, if any, applicable to any Registrable Securities registered and sold by such holder, and all fees and disbursements of any counsel for such holder (other than any counsel
fees and disbursements for one counsel selected to represent all of the Selling Shareholders, which shall be paid by the Company). 
 “Selling Shareholders” has the meaning ascribed to that term in the preamble of this Agreement. 
 2. Securities Subject to this Agreement. The only securities entitled to the benefits of this Agreement are the Registrable Securities. 

3. Registration Procedures. 
 (a) The Company shall use all reasonable efforts to effect such registration to permit the sale of the Registrable Securities in accordance with the intended method or methods of distribution thereof, and
pursuant thereto the Company shall as expeditiously as practicable: 
 (i) prepare and file with the SEC, as soon
as practicable, the Registration Statement on an appropriate registration form, which Registration Statement shall comply as to form in all material respects with the requirements of the applicable form and include or incorporate by reference all
financial statements required by the SEC to be filed therewith or incorporated by reference therein, and in either case use all reasonable efforts to cause the Registration Statement to become effective and remain effective; 

 

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 (ii) prepare and file with the SEC such amendments and post-effective
amendments to the Registration Statement as may be necessary to keep the Registration Statement effective for the applicable period, or such shorter period which shall terminate when all Registrable Securities covered by the Registration Statement
have been sold; cause the Prospectus to be supplemented by any required Prospectus supplement, and to be filed pursuant to Rule 424 promulgated under the Securities Act and comply with the provisions of the Securities Act with respect to the
disposition of all securities covered by the Registration Statement during the applicable period in accordance with the intended method or methods of distribution by the Selling Shareholders set forth in the Registration Statement or supplement to
the Prospectus; 
 (iii) notify the Selling Shareholders and the managing underwriter or underwriters, if any,
promptly, and (if requested by any such person) confirm such advice in writing promptly, (1) when the Prospectus or any Prospectus supplement or post-effective amendment to the Registration Statement has been filed, and, with respect to the
Registration Statement or any post-effective amendment thereto, when the same has become effective, (2) of any comments of the SEC or any state securities authority with regard to the Registration Statement and of any request by the SEC or any
state securities authority for amendments or supplements to the Registration Statement or the Prospectus or for additional information, (3) of the issuance by the SEC or any state securities authority of any stop order suspending the
effectiveness of the Registration Statement or the initiation of any proceedings for that purpose, (4) of the receipt by the Company of any notification with respect to the suspension of the qualification of the Registrable Securities for sale
in any jurisdiction or the initiation or threatening of any proceeding for such purpose, (5) in the case of any shelf Registration Statement, if between the effective date of a Registration Statement and the closing of any sale of Registrable
Securities covered thereby, the representations and warranties of the Company contained in any underwriting agreement, securities sale agreement or other similar agreement, relating to the offering cease to be true and correct in all material
respects and (6) of the happening of any event or the discovery of any facts that makes any statement made in the Registration Statement, the Prospectus or any document incorporated therein by reference untrue in any material respect or which
requires the making of any changes in the Registration Statement, the Prospectus or any document incorporated therein by reference in order to make the statements therein not contain an untrue statement of a material fact or omit to state any
material fact necessary to make the statements therein not misleading; 
 (iv) if requested by the Selling
Shareholder whose Registrable Securities are being offered for sale in connection with an underwritten offering, promptly incorporate in a Prospectus supplement or post-effective amendment such information as the holder of Registrable Securities
being offered for sale consider should be included therein relating to the plan of distribution with respect to such Registrable Securities, including, without limitation, information with respect to the number of Registrable Securities being
offered for sale, the purchase price being paid therefor and with respect to any other terms of the offering of the Registrable Securities to be sold in such offering; and make all required filings of such Prospectus supplement or post-effective
amendment as soon as practicable after being notified of the matters to be incorporated in such Prospectus supplement or post-effective amendment; 
  

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 (v) if requested by any Selling Shareholder, furnish to each Selling
Shareholder, without charge, at least one signed copy of the Registration Statement, any amendment (including any post-effective amendment) thereto, including financial statements and schedules, all documents incorporated therein by reference and
all exhibits (including those incorporated by reference); 
 (vi) deliver to each Selling Shareholder and the
underwriters, if any, without charge, as many copies of the Prospectus (including each preliminary prospectus) and any amendment or supplement thereto as such persons may reasonably request; 

(vii) register or qualify or cooperate with the Selling Shareholders, the underwriters, if any, and their respective
counsel in connection with the registration or qualification of the Registrable Securities for offer and sale under the state securities or blue sky laws of such jurisdictions as any seller reasonably requests in writing and do any and all other
acts or things necessary or advisable to enable the disposition in such jurisdictions of the Registrable Securities covered by the Registration Statement; provided, however, that the Company shall not be required to qualify generally
to do business in any jurisdiction where it is not then so qualified or to take any action which would subject it to general service of process in any such jurisdiction where it is not then so subject; and 

(viii) otherwise reasonably cooperate with the Selling Shareholders to carry out the intent of this Agreement. 

(c) The Company may require each Selling Shareholders to furnish to the Company such information regarding the
distribution of such securities as the Company may from time to time reasonably request in writing; provided, however, that such information shall be used by the Company only to the extent necessary for and in connection with, such
registration. 
 (d) Each Selling Shareholder agrees that, upon receipt of any notice from the Company of the
imposition of order suspending the effectiveness of a Registration Statement such Selling Shareholder shall forthwith discontinue disposition of such Registrable Securities until such Selling Shareholder is advised in writing (the
“Advice”) by the Company that the use of the Prospectus may be resumed, and has received copies of any additional or supplemental filings which are incorporated by reference in the Prospectus, and, if so directed by the Company, such
holder shall deliver to the Company (at the Company’s expense) all copies, other than permanent file copies then in such holder’s possession, of the Prospectus covering such Registrable Securities current at the time of receipt of such
notice. In the event the Company shall give any such notice, the time periods regarding the maintenance of the Registration Statement in Section 3 shall be extended by the number of days during the period from and including the date of the stop
order to and including the date of the Advice. 
 4. Expenses of Registration. All Registration Expenses and Selling
Expenses shall be borne by the Selling Shareholders. 
  

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 5. Indemnification. 

(a) Indemnification by Company. The Company shall indemnify and hold harmless, to the full extent permitted by
law, each holder of Registrable Securities, its officers, directors, partners, retired partners, members and employees and each person who controls such holder (within the meaning of the Securities Act) against all losses, claims, damages,
liabilities and expenses, including any legal or other expenses reasonably incurred by them in connection with investigating or defending any such loss, claim, damage, liability or action, arising out of (i) any untrue or alleged untrue
statement of a material fact contained in any Registration Statement (or amendment (including any post-effective amendment) or supplement thereto), Prospectus or preliminary Prospectus) or any amendment or supplement thereto, including all documents
incorporated therein by reference, or (ii) any omission or alleged omission to state therein a material fact required to be stated therein or necessary to make the statements therein not misleading, except insofar as the same are caused by or
contained in any information furnished in writing to the Company by such holder expressly for use therein; provided, however, that the Company shall not be liable to any indemnified party in any such case to the extent that any such loss,
claim, damage, expense, liability (or action or proceeding in respect thereof), arises out of or is based upon any untrue statement or alleged untrue statement or omission or alleged omission made in the Registration Statement or amendment or
supplement thereto or in any such preliminary, final or summary prospectus in reliance upon and in conformity with written information with respect to such seller furnished to the Company by or on behalf of such seller for use in the preparation
thereof. 
 (b) Indemnification by Holder of Registrable Securities. In connection with a Registration
Statement, each holder of Registrable Securities covered thereby shall severally and not jointly indemnify and hold harmless, to the full extent permitted by law, the Company, its directors and officers and each person who controls the Company who
is not a Selling Shareholder (within the meaning of the Securities Act) against any losses, claims, damages, liabilities and expenses arising out of any untrue or alleged untrue statement of a material fact or any omission or alleged omission of a
material fact required to be stated in the Registration Statement (or amendment (including any post-effective amendment) or supplement thereto) or Prospectus or preliminary Prospectus (or any amendment or supplement thereto), including all documents
incorporated therein by reference or necessary to make the statements therein not misleading, to the extent, but only to the extent, that such untrue statement is contained or omission is required to be in any information so furnished in writing by
such holder to the Company specifically for inclusion in the Registration Statement (or amendment (including any post-effective amendment) or supplement thereto) or Prospectus (or any amendment or supplement thereto). The Company shall be entitled
to receive indemnities from underwriters, selling brokers, dealer managers and similar securities industry professionals participating in the distribution, to the same extent as provided above with respect to information so furnished in writing by
such persons specifically for inclusion in any Prospectus or Registration Statement (or amendment (including any post-effective amendment) or supplement thereto). The obligation of each holder of Registrable Securities to indemnify as provided in
this Section 5(b) shall in any event be limited to the net proceeds received by such holder from securities sold pursuant to the Registration Statement. 
  

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 (c) Conduct of Indemnification Proceedings. Any person entitled to
indemnification hereunder shall (i) give prompt notice to the indemnifying party of any claim with respect to which it seeks indemnification (provided that the failure to give such notice as provided herein shall not relieve the indemnifying
party of its obligations hereunder, except to the extent that the indemnifying party’s ability to defend against such claim is impaired as a result of such failure to give such notice) and (ii) permit such indemnifying party to assume the
defense of such claim with counsel reasonably satisfactory to the indemnified party, provided, however, that any person entitled to indemnification hereunder shall have the right to employ separate counsel and to participate in the
defense of such claim, but the fees and expenses of such counsel shall be at the expense of such person unless (a) the indemnifying party has agreed to pay such fees or expenses, or (b) the indemnifying party shall have failed to assume
the defense of such claim and employ counsel reasonably satisfactory to such person, or (c) in the reasonable judgment of any such person, based upon advice of its counsel, a conflict of interest may exist between such person and the
indemnifying party with respect to such claims or there may exist legal defenses for such person that are materially different from or in addition to those available to the indemnifying party (in which case, if the person notifies the indemnifying
party in writing that such person elects to employ separate counsel at the expense of the indemnifying party, the indemnifying party shall not have the right to assume the defense of such claim on behalf of such person). If such defense is not
assumed by the indemnifying party, the indemnifying party shall not be subject to any liability for any settlement or consent to judgment made without its consent (but if such consent is requested, such consent shall not be unreasonably withheld).
No indemnifying party shall be permitted to consent to entry of any judgment or enter into any settlement which does not include as an unconditional term thereof the giving by the claimant or plaintiff to the indemnified party of a release from all
liability in respect to such claim or litigation. An indemnifying party who is not entitled to, or elects not to, assume the defense of a claim shall not be obligated to pay the fees and expenses of more than one counsel for all parties indemnified
by such indemnifying party with respect to such claim, unless in the reasonable judgment of any indemnified party, after consultation with counsel, a conflict of interest may exist between such indemnified party and any other of such indemnified
parties or there may exist legal defenses for such indemnified party that are materially different from or in addition to those available to the other indemnified parties with respect to such claim, in which event the indemnifying party shall be
obligated to pay the fees and expenses of such additional counsel or counsels. 
 (d) Contribution. If for
any reason the indemnification provided for in the preceding clauses (a) and (b) is unavailable to an indemnified party or insufficient to hold it harmless as contemplated by the preceding clauses (a) and (b), then the indemnifying
party shall contribute to the amount paid or payable by the indemnified party as a result of such loss, claim, damage or liability (i) in such proportion as is appropriate to reflect the relative fault of the indemnified party and the
indemnifying party, or (ii) if the allocation provided by clause (i) is not permitted by applicable law, in such proportion as is appropriate to reflect the relative benefits received by the indemnified party and the indemnifying party as
well as their relative fault, as well as any other relevant equitable considerations. The relative fault of the indemnified party and the indemnifying party shall be determined by reference to, among other things, whether any such untrue or alleged
untrue statement of a material fact or omission or alleged omission to state a material fact relates to information supplied by the indemnified party or the 

 

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indemnifying party and each party’s relative intent, knowledge, access to information and opportunity to correct or prevent such statement or omission, provided, however, that
no holder of Registrable Securities shall be required to contribute in an amount greater than the dollar amount of the proceeds received by such holder with respect to the sale of any Registrable Securities. No person guilty of fraudulent
misrepresentation (within the meaning of Section 11(f) of the Securities Act) shall be entitled to contribution from any person who was not guilty of such fraudulent misrepresentation. Notwithstanding the foregoing, in no event shall a Selling
Shareholder be liable under this Section (d) for contribution in an amount in excess of the net proceeds received by such Selling Shareholder in the sale of Registrable Securities giving rise to such contribution obligation. 

(e) The obligations of the parties under this Section 5 shall survive completion of any offering of Registrable
Securities in any Registration Statement and the termination of this Agreement. 
 6. Current Public Information. For so
long as the Company is subject to the reporting requirements of Section 13 or 15 of the Exchange Act, the Company covenants that it will make reasonable best efforts to file the reports required to be filed by it under the Securities Act and
Section 13(a) or 15 (d) of the Exchange Act and the rules and regulations adopted by the SEC thereunder. 
 7.
Assignment of Rights. This Agreement shall inure to the benefit of and be binding upon the successors and assigns of each of the parties. 
 8. Miscellaneous. 
 (a) Amendments and Waivers. The
provisions of this Agreement, including the provisions of this sentence, may not be amended, modified or supplemented, and waivers or consents to departures from the provisions hereof may not be given unless the Company has obtained the written
consent of all holders of Registrable Securities covered by the Registration Statement. 
 (b)
Counterparts. This Agreement may be executed in any number of counterparts (whether by facsimile or otherwise) and by the parties hereto in separate counterparts, each of which when so executed shall be deemed to be an original and all of
which taken together shall constitute one and the same agreement. 
 (c) Governing Law. This Agreement
shall be governed by and construed in accordance with the laws of the Commonwealth of Pennsylvania applicable to agreements made and to be performed in Pennsylvania without regard to principles of conflicts of laws. 

(d) Severability. Each provision of this Agreement shall be considered severable, and if for any reason any
provision that is not essential to the effectuation of the basic purposes of the Agreement is determined by a court of competent jurisdiction to be invalid or unenforceable under existing or future applicable law, such invalidity shall not impair
the operation of or affect those provisions of this Agreement that are valid. In that case, this Agreement shall be construed so as to limit any term or provision so as to make it enforceable or valid within the requirements of any applicable law,
and in the event such term or provision cannot be so limited, this Agreement shall be construed to omit such invalid or unenforceable provisions. 
  

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 (e) Entire Agreement. This Agreement is intended by the parties as a
final expression of their agreement and intended to be a complete and exclusive statement of the agreement and understanding of the parties hereto in respect of the subject matter contained herein. There are no representations, promises, warranties
or undertakings, other than those set forth or referred to herein with respect to the registration rights granted by the Company hereby. This Agreement supersedes all prior agreements and understandings between the parties with respect to such
subject matter, and cannot be changed or terminated orally. 
 (f) Construction. As used in this
Agreement, unless the context otherwise requires (i) references to “Sections” are to sections of this Agreement, (ii) “hereof”, “herein”, “hereunder” and comparable terms refer to this Agreement in
its entirety and not to any particular part of this Agreement, (iii) the singular includes the plural and the masculine, feminine and neutral gender includes the other, (iv) “including” or “includes” shall be deemed to
be followed by the phrase “without limitation”, and (v) headings of the various Sections and subsections are for convenience of reference only and shall not be given any effect for purposes of interpreting this Agreement. 

(g) Adjustment. All numbers herein shall be adjusted if and as appropriate to reflect any stock dividend,
distribution, split, combination, consolidation or event of a similar nature. 
 (h) Expenses. The Company
shall pay and hold the Selling Shareholders and all holders of Registrable Securities harmless against liability for payment of the reasonable fees and expenses incurred with respect to enforcement of their rights granted under this Agreement.

  

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 WITNESS the undersigned have executed and delivered this Registration Rights Agreement as of
the date first above written. 
  

			
	iGATE CORPORATION
		
	By:	 	/s/ Mukund Srinath
		 	Mukund Srinath
		 	Vice President, Legal & Corporate Secretary
	
	SELLING SHAREHOLDERS
		
	 By:
	 	/s/ Sunil Wadhwani
	Name:	 	Sunil Wadhwani
		
	By:	 	/s/ Ashok Trivedi
	Name:	 	Ashok Trivedi

  

 9

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