Document:

EX-10.3

 Exhibit 10.3 
 FIVE PRIME THERAPEUTICS, INC. 
 2002 EQUITY INCENTIVE PLAN 

STOCK OPTION AGREEMENT 

(INCENTIVE STOCK OPTION OR NONSTATUTORY STOCK
OPTION) 
 Pursuant to your Stock Option Grant Notice (“Grant Notice”) and this
Stock Option Agreement, Five Prime Therapeutics, Inc. (the “Company”) has granted you an option under its 2002 Equity Incentive Plan (the “Plan”) to purchase the number of shares of the Company’s Common Stock indicated in
your Grant Notice at the exercise price indicated in your Grant Notice. Defined terms not explicitly defined in this Stock Option Agreement but defined in the Plan shall have the same definitions as in the Plan. 

The details of your option are as follows: 

1.        VESTING. Subject to the limitations contained
herein, your option will vest as provided in your Grant Notice, provided that vesting will cease upon the termination of your Continuous Service. 
 2.        NUMBER OF SHARES AND EXERCISE PRICE. The number of shares
of Common Stock subject to your option and your exercise price per share referenced in your Grant Notice may be adjusted from time to time for Capitalization Adjustments. 

3.        EXERCISE PRIOR TO
VESTING (“EARLY EXERCISE”). If permitted in your Grant Notice (i.e., the “Exercise Schedule” indicates that “Early Exercise” of your option is permitted) and subject to
the provisions of your option, you may elect at any time that is both (i) during the period of your Continuous Service and (ii) during the term of your option, to exercise all or part of your option, including the nonvested portion of your
option; provided, however, that: 
 (a)        a partial
exercise of your option shall be deemed to cover first vested shares of Common Stock and then the earliest vesting installment of unvested shares of Common Stock; 

(b)        any shares of Common Stock so purchased from installments that
have not vested as of the date of exercise shall be subject to the purchase option in favor of the Company as described in the Company’s form of Early Exercise Stock Purchase Agreement; 

(c)        you shall enter into the Company’s form of Early Exercise
Stock Purchase Agreement with a vesting schedule that will result in the same vesting as if no early exercise had occurred; and 
 (d)        if your option is an Incentive Stock Option, then, to the extent that the aggregate Fair Market Value (determined at the time of grant) of the
shares of Common Stock with respect to which your option plus all other Incentive Stock Options you hold are exercisable for the first time by you during any calendar year (under all plans of the Company and its Affiliates) exceeds one hundred
thousand dollars ($100,000), your option(s) or portions thereof 

  
 1. 

 
that exceed such limit (according to the order in which they were granted) shall be treated as Nonstatutory Stock Options. 

4.        METHOD OF PAYMENT.
Payment of the exercise price is due in full upon exercise of all or any part of your option. You may elect to make payment of the exercise price in cash or by check or in any other manner permitted by your Grant Notice, which may
include one or more of the following: 
 (a)        In the
Company’s sole discretion at the time your option is exercised and provided that at the time of exercise the Common Stock is publicly traded and quoted regularly in The Wall Street Journal, pursuant to a program developed under
Regulation T as promulgated by the Federal Reserve Board that, prior to the issuance of Common Stock, results in either the receipt of cash (or check) by the Company or the receipt of irrevocable instructions to pay the aggregate exercise price to
the Company from the sales proceeds. 
 (b)        Provided that
at the time of exercise the Common Stock is publicly traded and quoted regularly in The Wall Street Journal, by delivery of already-owned shares of Common Stock either that you have held for the period required to avoid a charge to the
Company’s reported earnings (generally six (6) months) or that you did not acquire, directly or indirectly from the Company, that are owned free and clear of any liens, claims, encumbrances or security interests, and that are valued at
Fair Market Value on the date of exercise. “Delivery” for these purposes, in the sole discretion of the Company at the time you exercise your option, shall include delivery to the Company of your attestation of ownership of such shares of
Common Stock in a form approved by the Company. Notwithstanding the foregoing, you may not exercise your option by tender to the Company of Common Stock to the extent such tender would violate the provisions of any law, regulation or agreement
restricting the redemption of the Company’s stock. 

(c)        Pursuant to the following deferred payment alternative:

    (i)        Not less than one hundred
percent (100%) of the aggregate exercise price, plus accrued interest, shall be due four (4) years from date of exercise or, at the Company’s election, upon termination of your Continuous Service. 

   (ii)        Interest shall be compounded at least
annually and shall be charged at the minimum rate of interest necessary to avoid (1) the treatment as interest, under any applicable provisions of the Code, of any amounts other than amounts stated to be interest under the deferred payment
arrangement and (2) the treatment of the Option as a variable award for financial accounting purposes. 

   (iii)        At any time that the Company is
incorporated in Delaware, payment of the Common Stock’s “par value,” as defined in the Delaware General Corporation Law, shall be made in cash and not by deferred payment. 

   (iv)        In order to elect the deferred payment
alternative, you must, as a part of your written notice of exercise, give notice of the election of this payment alternative and, in order to secure the payment of the deferred exercise price to the Company hereunder, if the Company so requests, you
must tender to the Company a promissory note and a pledge 

  
 2. 

 
agreement covering the purchased shares of Common Stock, both in form and substance satisfactory to the Company, or such other or additional documentation as the Company may request. 

5.        WHOLE SHARES. You may exercise
your option only for whole shares of Common Stock. 

6.        SECURITIES LAW
COMPLIANCE. Notwithstanding anything to the contrary contained herein, you may not exercise your option unless the shares of Common Stock issuable upon such exercise are then registered under the Securities Act or, if such shares
of Common Stock are not then so registered, the Company has determined that such exercise and issuance would be exempt from the registration requirements of the Securities Act. The exercise of your option also must comply with other applicable laws
and regulations governing your option, and you may not exercise your option if the Company determines that such exercise would not be in material compliance with such laws and regulations. 

7.        TERM. You may not exercise your option before the
commencement or after the expiration of its term. The term of your option commences on the Date of Grant and expires upon the earliest of the following: 
   (a)        three (3) months after the termination of your Continuous Service for any reason other than your Disability or death, provided
that if during any part of such three (3) month period your option is not exercisable solely because of the condition set forth in Section 6, your option shall not expire until the earlier of the Expiration Date or until it shall have been
exercisable for an aggregate period of three (3) months after the termination of your Continuous Service; 

  (b)        twelve (12) months after the termination of
your Continuous Service due to your Disability; 

  (c)        eighteen (18) months after your death if you
die either during your Continuous Service or within three (3) months after your Continuous Service terminates; 
   (d)        the Expiration Date indicated in your Grant Notice; or 

  (e)        the day before the tenth (10th) anniversary
of the Date of Grant. 
 If your option is an Incentive Stock Option, note that to obtain the federal income tax
advantages associated with an Incentive Stock Option, the Code requires that at all times beginning on the date of grant of your option and ending on the day three (3) months before the date of your option’s exercise, you must be an
employee of the Company or an Affiliate, except in the event of your death or Disability. The Company has provided for extended exercisability of your option under certain circumstances for your benefit but cannot guarantee that your option will
necessarily be treated as an Incentive Stock Option if you continue to provide services to the Company or an Affiliate as a Consultant or Director after your employment terminates or if you otherwise exercise your option more than three
(3) months after the date your employment with the Company or an Affiliate terminates. 

  
 3. 

 8.        EXERCISE.

   (a)        You may exercise the vested portion of
your option (and the unvested portion of your option if your Grant Notice so permits) during its term by delivering a Notice of Exercise (in a form designated by the Company) together with the exercise price to the Secretary of the Company, or to
such other person as the Company may designate, during regular business hours, together with such additional documents as the Company may then require. 
   (b)        By exercising your option you agree that, as a condition to any exercise of your option, the Company may require you to enter into an
arrangement providing for the payment by you to the Company of any tax withholding obligation of the Company arising by reason of (1) the exercise of your option, (2) the lapse of any substantial risk of forfeiture to which the shares of
Common Stock are subject at the time of exercise, or (3) the disposition of shares of Common Stock acquired upon such exercise. 
   (c)        If your option is an Incentive Stock Option, by exercising your option you agree that you will notify the Company in writing within
fifteen (15) days after the date of any disposition of any of the shares of the Common Stock issued upon exercise of your option that occurs within two (2) years after the date of your option grant or within one (1) year after such
shares of Common Stock are transferred upon exercise of your option. 

  (d)        By exercising your option you agree that you shall
not sell, dispose of, transfer, make any short sale of, grant any option for the purchase of, or enter into any hedging or similar transaction with the same economic effect as a sale, any shares of Common Stock or other securities of the Company
held by you, for a period of time specified by the managing underwriter(s) (not to exceed one hundred eighty (180) days) following the effective date of a registration statement of the Company filed under the Securities Act (the “Lock Up
Period”); provided, however, that nothing contained in this section shall prevent the exercise of a repurchase option, if any, in favor of the Company during the Lock Up Period. You further agree to execute and deliver such other
agreements as may be reasonably requested by the Company and/or the underwriter(s) that are consistent with the foregoing or that are necessary to give further effect thereto. In order to enforce the foregoing covenant, the Company may impose
stop-transfer instructions with respect to your shares of Common Stock until the end of such period. The underwriters of the Company’s stock are intended third party beneficiaries of this Section 8(d) and shall have the right, power and
authority to enforce the provisions hereof as though they were a party hereto. 

9.        TRANSFERABILITY. Your option is not transferable,
except by will or by the laws of descent and distribution, and is exercisable during your life only by you. Notwithstanding the foregoing, by delivering written notice to the Company, in a form satisfactory to the Company, you may designate a third
party who, in the event of your death, shall thereafter be entitled to exercise your option. 

10.      RIGHT OF FIRST
REFUSAL. Shares of Common Stock that you acquire upon exercise of your option are subject to any right of first refusal that may be described in the Company’s bylaws in effect at such time the Company elects to exercise its
right; provided, however, that if your option is an Incentive Stock Option and the right of first refusal described 

  
 4. 

 
in the Company’s bylaws in effect at the time the Company elects to exercise its right is more beneficial to you than the right of first refusal described in the Company’s bylaws on the
Date of Grant, then the right of first refusal described in the Company’s bylaws on the Date of Grant shall apply. The Company’s right of first refusal shall expire on the Listing Date. For purposes of this Agreement, Listing Date shall
mean the first date upon which any security of the Company is listed (or approved for listing) upon notice of issuance on a national securities exchange or on the National Market System of the Nasdaq Stock Market (or any successor to that entity).

 11.      RIGHT OF
REPURCHASE. To the extent provided in the Company’s bylaws in effect at such time the Company elects to exercise its right, the Company shall have the right to repurchase all or any part of the shares of Common Stock you
acquire pursuant to the exercise of your option. 

12.      OPTION NOT A
SERVICE CONTRACT. Your option is not an employment or service contract, and nothing in your option shall be deemed to create in any way whatsoever any obligation on your part to continue in the employ of the Company
or an Affiliate, or of the Company or an Affiliate to continue your employment. In addition, nothing in your option shall obligate the Company or an Affiliate, their respective stockholders, Boards of Directors, Officers or Employees to continue any
relationship that you might have as a Director or Consultant for the Company or an Affiliate. 

13.      WITHHOLDING OBLIGATIONS. 

  (a)        At the time you exercise your option, in whole or
in part, or at any time thereafter as requested by the Company, you hereby authorize withholding from payroll and any other amounts payable to you, and otherwise agree to make adequate provision for (including by means of a “cashless
exercise” pursuant to a program developed under Regulation T as promulgated by the Federal Reserve Board to the extent permitted by the Company), any sums required to satisfy the federal, state, local and foreign tax withholding obligations of
the Company or an Affiliate, if any, which arise in connection with the exercise of your option. 

  (b)        Upon your request and subject to approval by the
Company, in its sole discretion, and compliance with any applicable legal conditions or restrictions, the Company may withhold from fully vested shares of Common Stock otherwise issuable to you upon the exercise of your option a number of whole
shares of Common Stock having a Fair Market Value, determined by the Company as of the date of exercise, not in excess of the minimum amount of tax required to be withheld by law (or such lower amount as may be necessary to avoid variable award
accounting). If the date of determination of any tax withholding obligation is deferred to a date later than the date of exercise of your option, share withholding pursuant to the preceding sentence shall not be permitted unless you make a proper
and timely election under Section 83(b) of the Code, covering the aggregate number of shares of Common Stock acquired upon such exercise with respect to which such determination is otherwise deferred, to accelerate the determination of such tax
withholding obligation to the date of exercise of your option. Notwithstanding the filing of such election, shares of Common Stock shall be withheld solely from fully vested shares of Common Stock determined as of the date of exercise of your option

  
 5. 

 
that are otherwise issuable to you upon such exercise. Any adverse consequences to you arising in connection with such share withholding procedure shall be your sole responsibility. 

(c)        You may not exercise your option unless the tax withholding
obligations of the Company and/or any Affiliate are satisfied. Accordingly, you may not be able to exercise your option when desired even though your option is vested, and the Company shall have no obligation to issue a certificate for such shares
of Common Stock or release such shares of Common Stock from any escrow provided for herein unless such obligations are satisfied. 
 14.      NOTICES. Any notices provided for in your option or the Plan shall be given in writing and shall be deemed effectively given upon receipt or,
in the case of notices delivered by mail by the Company to you, five (5) days after deposit in the United States mail, postage prepaid, addressed to you at the last address you provided to the Company. 

15.      GOVERNING PLAN DOCUMENT. Your
option is subject to all the provisions of the Plan, the provisions of which are hereby made a part of your option, and is further subject to all interpretations, amendments, rules and regulations, which may from time to time be promulgated and
adopted pursuant to the Plan. In the event of any conflict between the provisions of your option and those of the Plan, the provisions of the Plan shall control. 

  
 6.EX-10.4

 Exhibit 10.4 
 FIVE PRIME THERAPEUTICS, INC. 
 2010 EQUITY INCENTIVE PLAN 

ADOPTED BY THE BOARD OF DIRECTORS:
OCTOBER 28, 2010 
 APPROVED BY THE
STOCKHOLDERS: DECEMBER 9, 2010 
 TERMINATION DATE:
OCTOBER 27, 2020 
 1.        GENERAL. 

  (a)        Successor to and Continuation of Prior
Plan.  The Plan is intended as the successor to and continuation of the Five Prime Therapeutics, Inc. 2002 Equity Incentive Plan (the “Prior Plan”). Following the Effective Date, no additional
stock awards shall be granted under the Prior Plan. Any shares remaining available for issuance pursuant to the exercise of options or issuance or settlement of stock awards under the Prior Plan as of the Effective Date (the “Prior
Plan Available Reserve”) shall become available for issuance pursuant to Stock Awards granted hereunder. From and after the Effective Date, all outstanding stock awards granted under the Prior Plan shall remain subject to the
terms of the Prior Plan; provided, however, that any shares underlying outstanding stock awards granted under the Prior Plan that expire or terminate for any reason prior to exercise or settlement or are forfeited because of the
failure to meet a contingency or condition required to vest such shares (the “Returning Shares”) shall become available for issuance pursuant to Awards granted hereunder. All Awards granted on or after the
Effective Date of this Plan shall be subject to the terms of this Plan. 

  (b)        Eligible Stock Award Recipients.  The
persons eligible to receive Stock Awards are Employees, Directors and Consultants. 

  (c)        Available Stock Awards.  The Plan
provides for the grant of the following Stock Awards: (i) Incentive Stock Options, (ii) Nonstatutory Stock Options, (iii) Stock Appreciation Rights, (iv) Restricted Stock Awards, and (v) Restricted Stock Unit Awards.

   (d)        Purpose.  The Company, by
means of the Plan, seeks to secure and retain the services of the group of persons eligible to receive Stock Awards as set forth in Section 1(b), to provide incentives for such persons to exert maximum efforts for the success of the Company and
any Affiliate, and to provide a means by which such eligible recipients may be given an opportunity to benefit from increases in value of the Common Stock through the granting of Stock Awards. 

2.        ADMINISTRATION. 

  (a)        Administration by Board.  The Board shall
administer the Plan unless and until the Board delegates administration of the Plan to a Committee or Committees, as provided in Section 2(c). 
   (b)        Powers of Board.  The Board shall have the power, subject to, and within the limitations of, the express provisions of the
Plan: 

  
 1. 

 (i)        To determine from
time to time (A) which of the persons eligible under the Plan shall be granted Stock Awards; (B) when and how each Stock Award shall be granted; (C) what type or combination of types of Stock Award shall be granted; (D) the
provisions of each Stock Award granted (which need not be identical), including the time or times when a person shall be permitted to receive cash or Common Stock pursuant to a Stock Award; (E) the number of shares of Common Stock with respect
to which a Stock Award shall be granted to each such person; and (F) the Fair Market Value applicable to a Stock Award. 
 (ii)       To construe and interpret the Plan and Stock Awards granted under it, and to establish, amend and revoke rules and regulations for administration of
the Plan. The Board, in the exercise of this power, may correct any defect, omission or inconsistency in the Plan or in any Stock Award Agreement, in a manner and to the extent it shall deem necessary or expedient to make the Plan or a Stock Award
fully effective. 
 (iii)      To settle all controversies regarding the
Plan and Stock Awards granted under it. 
 (iv)       To accelerate
the time at which a Stock Award may first be exercised or the time during which a Stock Award or any part thereof will vest in accordance with the Plan, notwithstanding the provisions in the Stock Award stating the time at which it may first be
exercised or the time during which it will vest. 
 (v)       To
suspend or terminate the Plan at any time. Suspension or termination of the Plan shall not impair rights and obligations under any Stock Award granted while the Plan is in effect except with the written consent of the affected Participant.

 (vi)       To amend the Plan in any respect the Board deems
necessary or advisable, including, without limitation, amendments relating to Incentive Stock Options and certain nonqualified deferred compensation under Section 409A of the Code and/or to bring the Plan or Stock Awards granted under the Plan
into compliance therewith, subject to the limitations, if any, of applicable law. However, except as provided in Section 9(a) relating to Capitalization Adjustments, to the extent required by applicable law, stockholder approval shall be
required for any amendment of the Plan that either (A) materially increases the number of shares of Common Stock available for issuance under the Plan, (B) materially expands the class of individuals eligible to receive Stock Awards under
the Plan, (C) materially increases the benefits accruing to Participants under the Plan or materially reduces the price at which shares of Common Stock may be issued or purchased under the Plan, (D) materially extends the term of the Plan,
or (E) expands the types of Stock Awards available for issuance under the Plan. Except as provided above, rights under any Stock Award granted before amendment of the Plan shall not be impaired by any amendment of the Plan unless (1) the
Company requests the consent of the affected Participant, and (2) such Participant consents in writing.  
 (vii)     To submit any amendment to the Plan for stockholder approval, including, but not limited to, amendments to the Plan intended to satisfy the requirements of
Section 422 of the Code regarding Incentive Stock Options. 

  
 2. 

 (viii)      To approve forms of Stock
Award Agreements for use under the Plan and to amend the terms of any one or more Stock Awards, including, but not limited to, amendments to provide terms more favorable to the Participant than previously provided in the Stock Award Agreement,
subject to any specified limits in the Plan that are not subject to Board discretion; provided, however, that except with respect to amendments that disqualify or impair the status of an Incentive Stock Option, a Participant’s rights
under any Stock Award shall not be impaired by any such amendment unless (A) the Company requests the consent of the affected Participant, and (B) such Participant consents in writing. Notwithstanding the foregoing, subject to the
limitations of applicable law, if any, the Board may amend the terms of any one or more Stock Awards without the affected Participant’s consent if necessary to maintain the qualified status of the Stock Award as an Incentive Stock Option or to
bring the Stock Award into compliance with Section 409A of the Code. 

(ix)       Generally, to exercise such powers and to perform such acts as the
Board deems necessary or expedient to promote the best interests of the Company and that are not in conflict with the provisions of the Plan or Stock Awards. 
 (x)        To adopt such procedures and sub-plans as are necessary or appropriate to permit participation in the Plan by Employees, Directors or Consultants
who are foreign nationals or employed outside the United States. 

(xi)       To effect, at any time and from time to time, with the consent of
any adversely affected Participant, (A) the reduction of the exercise price (or strike price) of any outstanding Option or SAR under the Plan, (B) the cancellation of any outstanding Option or SAR under the Plan and the grant in
substitution therefore of (1) a new Option or SAR under the Plan or another equity plan of the Company covering the same or a different number of shares of Common Stock, (2) a Restricted Stock Award, (3) a Restricted Stock Unit Award,
(4) cash and/or (5) other valuable consideration (as determined by the Board, in its sole discretion), or (C) any other action that is treated as a repricing under generally accepted accounting principles; provided, however,
that no such reduction or cancellation may be effected if it is determined, in the Company’s sole discretion, that such reduction or cancellation would result in any such outstanding Option becoming subject to the requirements of
Section 409A of the Code. 
   (c)        Delegation
to Committee.  The Board may delegate some or all of the administration of the Plan to a Committee or Committees. If administration of the Plan is delegated to a Committee, the Committee shall have, in connection with the
administration of the Plan, the powers theretofore possessed by the Board that have been delegated to the Committee, including the power to delegate to a subcommittee of the Committee any of the administrative powers the Committee is authorized to
exercise (and references in this Plan to the Board shall thereafter be to the Committee or subcommittee), subject, however, to such resolutions, not inconsistent with the provisions of the Plan, as may be adopted from time to time by the Board. The
Committee may, at any time, abolish the subcommittee and/or revest in the Committee any powers deleted to the subcommittee. The Board may retain the authority to concurrently administer the Plan with the Committee and may, at any time, revest in the
Board some or all of the powers previously delegated. 

  
 3. 

   (d)        Delegation
to an Officer.  The Board may delegate to one or more Officers the authority to do one or both of the following: (i) designate Officers and Employees of the Company or any of its Subsidiaries to be recipients of Options and Stock
Appreciation Rights (and, to the extent permitted by applicable law, other Stock Awards) and the terms thereof, and (ii) determine the number of shares of Common Stock to be subject to such Stock Awards granted to such Officers and Employees;
provided, however, that the Board resolutions regarding such delegation shall specify the total number of shares of Common Stock that may be subject to the Stock Awards granted by such Officer and that such Officer may not grant a Stock Award
to himself or herself. Notwithstanding the foregoing, the Board may not delegate authority to an Officer to determine the Fair Market Value pursuant to Section 13(s) below. 

  (e)        Effect of Board’s Decision.  All
determinations, interpretations and constructions made by the Board in good faith shall not be subject to review by any person and shall be final, binding and conclusive on all persons. 
 3.        SHARES SUBJECT TO THE PLAN. 

  (a)        Share Reserve.  Subject to
Section 9(a) relating to Capitalization Adjustments, the aggregate number of shares of Common Stock that may be issued pursuant to Stock Awards from and after the Effective Date shall not exceed 27,504,045 shares (the “Share
Reserve”), which number is the sum of (i) the number of shares 2,133,922 subject to the Prior Plan Available Reserve plus (ii) an additional 1,000,000 new shares plus (iii) an additional number of shares in an amount not
to exceed 24,370,123 shares (which number consists of the Returning Shares, if any, as such shares become available from time to time). In addition, the number of shares of Common Stock available for issuance under the Plan shall automatically
increase on January 1st of each year for a period of ten years commencing on January 1, 2011 and ending on (and including) January 1, 2020, in an amount equal to four percent of the total number of shares of Common Stock outstanding
(assuming the conversion to Common Stock of all Preferred Stock) on December 31st of the preceding calendar year. Notwithstanding the foregoing, the Board may act prior to the first day of any calendar year to provide that there shall be no
increase in the share reserve for such calendar year or that the increase in the share reserve for such calendar year shall be a lesser number of shares of Common Stock than would otherwise occur pursuant to the preceding sentence. Furthermore, if a
Stock Award or any portion thereof (i) expires or otherwise terminates without all of the shares covered by such Stock Award having been issued or (ii) is settled in cash (i.e., the Participant receives cash rather than stock), such
expiration, termination or settlement shall not reduce (or otherwise offset) the number of shares of Common Stock that may be available for issuance under the Plan. For clarity, the limitation in this Section 3(a) is a limitation in the number
of shares of Common Stock that may be issued pursuant to the Plan. Accordingly, this Section 3(a) does not limit the granting of Stock Awards except as provided in Section 7(a). 

  (b)        Reversion of Shares to the Share
Reserve.  If any shares of Common Stock issued pursuant to a Stock Award are forfeited back to or repurchased by the Company because of the failure to meet a contingency or condition required to vest such shares in the Participant,
then the shares that are forfeited or repurchased shall revert to and again become available for issuance under the Plan. Also, any Returning Shares, shares cancelled in accordance with Section 2(b)(xi), shares reacquired by the Company
pursuant to Section 8(g) or as consideration 

  
 4. 

 
for the exercise of an Option shall again become available for issuance under the Plan. Notwithstanding the provisions of this Section 3(b), any such shares shall not be subsequently issued
pursuant to the exercise of Incentive Stock Options. 

  (c)        Incentive Stock Option
Limit.  Notwithstanding anything to the contrary in this Section 3 and subject to Section 9(a) relating to Capitalization Adjustments, the aggregate maximum number of shares of Common Stock that may be issued pursuant to the
exercise of Incentive Stock Options shall be 27,504,045 shares of Common Stock. 

  (d)        Source of Shares.  The stock issuable
under the Plan shall be shares of authorized but unissued or reacquired Common Stock, including shares repurchased by the Company on the open market or otherwise. 
 4.        ELIGIBILITY. 
   (a)        Eligibility for Specific Stock Awards.  Incentive Stock Options may be granted only to employees of the Company or a
“parent corporation” or “subsidiary corporation” thereof (as such terms are defined in Sections 424(e) and 424(f) of the Code). Stock Awards other than Incentive Stock Options may be granted to Employees, Directors and
Consultants; provided, however, that Nonstatutory Stock Options and SARs may not be granted to Employees, Directors and Consultants who are providing Continuous Service only to any “parent” of the Company, as such term is defined in
Rule 405, unless the stock underlying such Stock Awards is treated as “service recipient stock” under Section 409A of the Code because the Stock Awards are granted pursuant to a corporate transaction (such as a spin off transaction)
or unless such Stock Awards comply with the distribution requirements of Section 409A of the Code. 

  (b)        Ten Percent Stockholders.  A Ten Percent
Stockholder shall not be granted an Incentive Stock Option unless the exercise price of such Option is at least 110% of the Fair Market Value on the date of grant and the Option is not exercisable after the expiration of five years from the date of
grant. 
 5.        PROVISIONS RELATING TO
OPTIONS AND STOCK APPRECIATION RIGHTS. 
   Each Option or SAR shall be in such form and shall contain such terms and conditions as the Board shall deem appropriate. All Options shall be separately designated Incentive Stock Options or
Nonstatutory Stock Options at the time of grant, and, if certificates are issued, a separate certificate or certificates shall be issued for shares of Common Stock purchased on exercise of each type of Option. If an Option is not specifically
designated as an Incentive Stock Option, then the Option shall be a Nonstatutory Stock Option. The provisions of separate Options or SARs need not be identical; provided, however, that each Option Agreement or Stock Appreciation Right
Agreement shall conform to (through incorporation of provisions hereof by reference in the applicable Stock Award Agreement or otherwise) the substance of each of the following provisions: 

  (a)        Term.  Subject to Section 4(b)
regarding Ten Percent Stockholders, no Option or SAR shall be exercisable after the expiration of ten years from the date of its grant or such shorter period specified in the Stock Award Agreement. 

  
 5. 

   (b)        Exercise
Price.  Subject to Section 4(b) regarding Incentive Stock Options granted to Ten Percent Stockholders, the exercise price (or strike price) of each Option or SAR shall be not less than 100% of the Fair Market Value of the Common
Stock subject to the Option or SAR on the date the Option or SAR is granted. Notwithstanding the foregoing, an Option or SAR may be granted with an exercise price (or strike price) lower than 100% of the Fair Market Value of the Common Stock subject
to the Option or SAR if such Option or SAR is granted pursuant to an assumption of or substitution for another option or stock appreciation right pursuant to a Corporate Transaction and in a manner consistent with the provisions of Sections 409A and
424(a) of the Code (whether or not such stock awards are Incentive Stock Options). Each SAR will be denominated in shares of Common Stock equivalents. 
   (c)        Purchase Price for Options.  The purchase price of Common Stock acquired pursuant to the exercise of an Option shall be
paid, to the extent permitted by applicable law and as determined by the Board in its sole discretion, by any combination of the methods of payment set forth below. The Board shall have the authority to grant Options that do not permit all of the
following methods of payment (or otherwise restrict the ability to use certain methods) and to grant Options that require the consent of the Company to utilize a particular method of payment. The permitted methods of payment are as follows:

   (i)        by cash, check, bank draft or money order payable to
the Company; 
   (ii)       pursuant to a program
developed under Regulation T as promulgated by the Federal Reserve Board that, prior to the issuance of the stock subject to the Option, results in either the receipt of cash (or check) by the Company or the receipt of irrevocable instructions to
pay the aggregate exercise price to the Company from the sales proceeds; 

  (iii)      by delivery to the Company (either by actual delivery or
attestation) of shares of Common Stock; 
   (iv)      if the
Option is a Nonstatutory Stock Option, by a “net exercise” arrangement pursuant to which the Company will reduce the number of shares of Common Stock issued upon exercise by the largest whole number of shares with a Fair Market Value that
does not exceed the aggregate exercise price; provided, however, that the Company shall accept a cash or other payment from the Participant to the extent of any remaining balance of the aggregate exercise price not satisfied by such reduction
in the number of whole shares to be issued; provided further, that shares of Common Stock will no longer be outstanding under an Option and will not be exercisable thereafter to the extent that (A) shares are used to pay the exercise
price pursuant to the “net exercise,” (B) shares are delivered to the Participant as a result of such exercise, and (C) shares are withheld to satisfy tax withholding obligations; 

  (v)      according to a deferred payment or similar arrangement with
the Optionholder; provided, however, that interest shall compound at least annually and shall be charged at the minimum rate of interest necessary to avoid (A) the imputation of interest income to the Company and compensation income to
the Optionholder under any applicable provisions of the Code, and (B) the classification of the Option as a liability for financial accounting purposes; or 

  
 6. 

     (vi)      in
any other form of legal consideration that may be acceptable to the Board. 

  (d)      Exercise and Payment of a SAR.  To exercise any
outstanding Stock Appreciation Right, the Participant must provide written notice of exercise to the Company in compliance with the provisions of the Stock Appreciation Right Agreement evidencing such Stock Appreciation Right. The appreciation
distribution payable on the exercise of a Stock Appreciation Right will be not greater than an amount equal to the excess of (A) the aggregate Fair Market Value (on the date of the exercise of the Stock Appreciation Right) of a number of shares
of Common Stock equal to the number of Common Stock equivalents in which the Participant is vested under such Stock Appreciation Right, and with respect to which the Participant is exercising the Stock Appreciation Right on such date, over
(B) the strike price that will be determined by the Board at the time of grant of the Stock Appreciation Right. The appreciation distribution in respect to a Stock Appreciation Right may be paid in Common Stock, in cash, in any combination of
the two or in any other form of consideration, as determined by the Board and contained in the Stock Appreciation Right Agreement evidencing such Stock Appreciation Right. 

  (e)      Transferability of Options and SARs.  Except as set
forth in this Section 5(e) or as otherwise determined by the Board under terms that are not prohibited by applicable tax and securities laws, Options and SARs shall not be transferable. The Board may, in its sole discretion, impose additional
limitations on the transferability of Options and SARs in the applicable Stock Award Agreement. 

    (i)        Restrictions on
Transfer.  An Option or SAR shall not be transferable except by will or by the laws of descent and distribution and shall be exercisable during the lifetime of the Participant only by the Participant; provided, however, that the
Board may, in its sole discretion, permit transfer of the Option or SAR and in a manner that is not prohibited by applicable tax and securities laws (including but not limited to Rule 701) upon the Participant’s request. Except as explicitly
provided herein, neither an Option nor a SAR may be transferred for consideration. 

    (ii)       Domestic Relations Orders.  Upon
receiving written permission from the Board or its duly authorized designee, an Option or SAR may be transferred pursuant to a domestic relations order; provided, however, that if an Option is an Incentive Stock Option, such Option may be
deemed to be a Nonstatutory Stock Option as a result of such transfer. 

    (iii)      Beneficiary Designation.  Upon
receiving written permission from the Board or its duly authorized designee, the Participant may, by delivering written notice to the Company, in a form provided by or otherwise satisfactory to the Company and any broker designated by the Company to
effect Option exercises, designate a third party who, in the event of the death of the Participant, shall thereafter be the beneficiary of an Option with the right to exercise the Option or SAR and receive the Common Stock or other consideration
resulting from such exercise. In the absence of such a designation, the executor or administrator of the Participant’s estate shall be entitled to exercise the Option or SAR and receive the Common Stock or other consideration resulting from
such exercise. 

  
 7. 

   (f)        Vesting
Generally.  The total number of shares of Common Stock subject to an Option or SAR may vest and therefore become exercisable in periodic installments that may or may not be equal. The Option or SAR may be subject to such other terms
and conditions on the time or times when it may or may not be exercised (which may be based on the satisfaction of performance goals or other criteria) as the Board may deem appropriate. The vesting provisions of individual Options or SARs may vary.
The provisions of this Section 5(f) are subject to any Option or SAR provisions governing the minimum number of shares of Common Stock as to which an Option or SAR may be exercised. 

  (g)        Termination of Continuous
Service.  Except as otherwise provided in the applicable Stock Award Agreement or other agreement between the Participant and the Company, in the event that a Participant’s Continuous Service terminates (other than upon the
Participant’s death or Disability), the Participant may exercise his or her Option or SAR (to the extent that the Participant was entitled to exercise such Stock Award as of the date of termination of Continuous Service) but only within such
period of time ending on the earlier of (i) the date three months following the termination of the Participant’s Continuous Service (or such longer or shorter period specified in the applicable Stock Award Agreement, which period shall not
be less than 30 days if necessary to comply with applicable laws unless such termination is for Cause) or (ii) the expiration of the term of the Option or SAR as set forth in the Stock Award Agreement. If, after termination of Continuous
Service, the Participant does not exercise his or her Option or SAR within the time specified herein or in the Stock Award Agreement (as applicable), the Option or SAR shall terminate. 

  (h)        Extension of Termination Date.  Except as
otherwise provided in the applicable Stock Award Agreement or other agreement between the Participant and the Company, if the exercise of the Option or SAR following the termination of the Participant’s Continuous Service (other than upon the
Participant’s death or Disability) would be prohibited at any time solely because the issuance of shares of Common Stock would violate the registration requirements under the Securities Act, then the Option or SAR shall terminate on the earlier
of (i) the expiration of a total period of three months (that need not be consecutive) after the termination of the Participant’s Continuous Service during which the exercise of the Option or SAR would not be in violation of such
registration requirements, or (ii) the expiration of the term of the Option or SAR as set forth in the applicable Stock Award Agreement. In addition, unless otherwise provided in a Participant’s Stock Award Agreement, if the immediate sale
of any Common Stock received upon exercise of an Option or SAR following the termination of the Participant’s Continuous Service (other than for Cause) would violate the Company’s insider trading policy, then the Option or SAR shall
terminate on the earlier of (i) the expiration of a period equal to the applicable post-termination exercise period after the termination of the Participant’s Continuous Service during which the sale of Common Stock received upon exercise
of the Option or SAR would not be in violation of the Company’s insider trading policy, or (ii) the expiration of the term of the Option or SAR as set forth in the applicable Stock Award Agreement. 

  (i)        Disability of Participant.  Except as
otherwise provided in the applicable Stock Award Agreement or other agreement between the Participant and the Company, if a Participant’s Continuous Service terminates as a result of the Participant’s Disability, the Participant may
exercise his or her Option or SAR (to the extent that the Participant was entitled to exercise such Option or SAR as of the date of termination of Continuous Service), but only 

  
 8. 

 
within such period of time ending on the earlier of (i) the date 12 months following such termination of Continuous Service (or such longer or shorter period specified in the Stock Award
Agreement, which period shall not be less than six months if necessary to comply with applicable laws), or (ii) the expiration of the term of the Option or SAR as set forth in the Stock Award Agreement. If, after termination of Continuous
Service, the Participant does not exercise his or her Option or SAR within the time specified herein or in the Stock Award Agreement (as applicable), the Option or SAR shall terminate. 

  (j)        Death of Participant.  Except as
otherwise provided in the applicable Stock Award Agreement or other agreement between the Participant and the Company, if (i) a Participant’s Continuous Service terminates as a result of the Participant’s death, or (ii) the
Participant dies within the period (if any) specified in the Stock Award Agreement after the termination of the Participant’s Continuous Service for a reason other than death, then the Option or SAR may be exercised (to the extent the
Participant was entitled to exercise such Option or SAR as of the date of death by the Participant’s estate) by a person who acquired the right to exercise the Option or SAR by bequest or inheritance or by a person designated to exercise the
Option or SAR upon the Participant’s death, but only within the period ending on the earlier of (i) the date 12 months following the date of death (or such longer or shorter period specified in the Stock Award Agreement, which period shall
not be less than six months if necessary to comply with applicable laws), or (ii) the expiration of the term of such Option or SAR as set forth in the Stock Award Agreement. If, after the Participant’s death, the Option or SAR is not
exercised within the time specified herein or in the Stock Award Agreement (as applicable), the Option or SAR shall terminate. 
   (k)        Non-Exempt Employees.  No Option or SAR granted to an Employee that is a non-exempt employee for purposes of the Fair Labor
Standards Act of 1938, as amended, shall be first exercisable for any shares of Common Stock until at least six months following the date of grant of the Option or SAR. Notwithstanding the foregoing, consistent with the provisions of the Worker
Economic Opportunity Act, (i) in the event of the Participant’s death or Disability, (ii) upon a Corporate Transaction in which such Option or SAR are not assumed, continued or substituted, (iii) upon a Change in Control in which
the vesting of such Options or SARs accelerates, or (iv) upon the Participant’s retirement (as such term is defined for purposes of the Fair Labor Standards Act of 1938) any such vested Options and SARs may be exercised earlier than six
months following grant. The foregoing provision is intended to operate so that any income derived by a non-exempt employee in connection with the exercise or vesting of an Option or SAR will be exempt from his or her regular rate of pay. 

  (l)        Early Exercise of Options.  An Option
may, but need not, include a provision whereby the Optionholder may elect at any time before the Optionholder’s Continuous Service terminates to exercise the Option as to any part or all of the shares of Common Stock subject to the Option prior
to the full vesting of the Option. Subject to the “Repurchase Limitation” in Section 8(l), any unvested shares of Common Stock so purchased may be subject to a repurchase right in favor of the Company or to any other restriction the
Board determines to be appropriate. Provided that the “Repurchase Limitation” in Section 8(l) is not violated, the Company shall not be required to exercise its repurchase right until at least six months (or such longer or shorter
period of time required to avoid classification of the Option as a liability for financial accounting 

  
 9. 

 
purposes) have elapsed following exercise of the Option unless the Board otherwise specifically provides in the Option Agreement. 

  (m)        Right of Repurchase.  Subject to the
“Repurchase Limitation” in Section 8(l), an Option or SAR may include a provision whereby the Company may elect to repurchase all or any part of the vested shares of Common Stock acquired by the Participant pursuant to the exercise of
the Option or SAR. 
   (n)        Right of First
Refusal.  An Option or SAR may include a provision whereby the Company may elect to exercise a right of first refusal following receipt of notice from the Participant of the intent to transfer all or any part of the shares of Common
Stock received upon the exercise of the Option or SAR. Such right of first refusal shall be subject to the “Repurchase Limitation” in Section 8(l). Except as expressly provided in this Section 5(o) or in the Stock Award
Agreement, such right of first refusal shall otherwise comply with any applicable provisions of the bylaws of the Company. 

6.        PROVISIONS OF RESTRICTED STOCK
AWARDS AND RESTRICTED STOCK UNITS. 
   (a)        Restricted Stock Awards.  Each Restricted Stock Award Agreement shall be in such form and shall contain such terms and
conditions as the Board shall deem appropriate. To the extent consistent with the Company’s bylaws, at the Board’s election, shares of Common Stock may be (i) held in book entry form subject to the Company’s instructions until
any restrictions relating to the Restricted Stock Award lapse; or (ii) evidenced by a certificate, which certificate shall be held in such form and manner as determined by the Board. The terms and conditions of Restricted Stock Award Agreements
may change from time to time, and the terms and conditions of separate Restricted Stock Award Agreements need not be identical; provided, however, that each Restricted Stock Award Agreement shall conform to (through incorporation of the
provisions hereof by reference in the agreement or otherwise) the substance of each of the following provisions: 
   (i)        Consideration. A Restricted Stock Award may be awarded in consideration for (A) cash or cash equivalents, (B) past or future
services actually or to be rendered to the Company or an Affiliate, or (C) any other form of legal consideration that may be acceptable to the Board in its sole discretion and permissible under applicable law. 

  (ii)       Vesting. Subject to the “Repurchase
Limitation” in Section 8(l), shares of Common Stock awarded under the Restricted Stock Award Agreement may be subject to forfeiture to the Company in accordance with a vesting schedule to be determined by the Board. 

  (iii)      Termination of Participant’s Continuous Service. If a
Participant’s Continuous Service terminates, the Company may receive via a forfeiture condition or a repurchase right, any or all of the shares of Common Stock held by the Participant that have not vested as of the date of termination of
Continuous Service under the terms of the Restricted Stock Award Agreement. 

  (iv)      Transferability. Rights to acquire shares of Common Stock
under the Restricted Stock Award Agreement shall be transferable by the Participant only upon such terms and conditions as are set forth in the Restricted Stock Award Agreement, as the Board shall

  
 10.

 
determine in its sole discretion, so long as Common Stock awarded under the Restricted Stock Award Agreement remains subject to the terms of the Restricted Stock Award Agreement. 

  (v)      Dividends. A Restricted Stock Award Agreement may provide that
any dividends paid on Restricted Stock will be subject to the same vesting and forfeiture restrictions as apply to the shares subject to the Restricted Stock Award to which they relate. 

  (b)       Restricted Stock Unit Awards.  Each Restricted
Stock Unit Award Agreement shall be in such form and shall contain such terms and conditions as the Board shall deem appropriate. The terms and conditions of Restricted Stock Unit Award Agreements may change from time to time, and the terms and
conditions of separate Restricted Stock Unit Award Agreements need not be identical, provided, however, that each Restricted Stock Unit Award Agreement shall conform to (through incorporation of the provisions hereof by reference in the
Agreement or otherwise) the substance of each of the following provisions: 

  (i)        Consideration. At the time of grant of a
Restricted Stock Unit Award, the Board will determine the consideration, if any, to be paid by the Participant upon delivery of each share of Common Stock subject to the Restricted Stock Unit Award. The consideration to be paid (if any) by the
Participant for each share of Common Stock subject to a Restricted Stock Unit Award may be paid in any form of legal consideration that may be acceptable to the Board in its sole discretion and permissible under applicable law. 

  (ii)       Vesting. At the time of the grant of a Restricted Stock
Unit Award, the Board may impose such restrictions on or conditions to the vesting of the Restricted Stock Unit Award as it, in its sole discretion, deems appropriate. 

  (iii)      Payment. A Restricted Stock Unit Award may be settled by the
delivery of shares of Common Stock, their cash equivalent, any combination thereof or in any other form of consideration, as determined by the Board and contained in the Restricted Stock Unit Award Agreement. 

  (iv)      Additional Restrictions. At the time of the grant of a
Restricted Stock Unit Award, the Board, as it deems appropriate, may impose such restrictions or conditions that delay the delivery of the shares of Common Stock (or their cash equivalent) subject to a Restricted Stock Unit Award to a time after the
vesting of such Restricted Stock Unit Award. 

  (v)       Dividend Equivalents. Dividend equivalents may be
credited in respect of shares of Common Stock covered by a Restricted Stock Unit Award, as determined by the Board, and contained in the Restricted Stock Unit Award Agreement. At the sole discretion of the Board, such dividend equivalents may be
converted into additional shares of Common Stock covered by the Restricted Stock Unit Award in such manner as determined by the Board. Any additional shares covered by the Restricted Stock Unit Award credited by reason of such dividend equivalents
will be subject to all of the same terms and conditions of the underlying Restricted Stock Unit Award Agreement to which they relate. 
   (vi)      Termination of Participant’s Continuous Service. Except as otherwise provided in the applicable Restricted Stock Unit Award Agreement, such
portion of the 

  
 11.

 
Restricted Stock Unit Award that has not vested will be forfeited upon the Participant’s termination of Continuous Service. 

  (vii)      Compliance with Section 409A of the Code.
Notwithstanding anything to the contrary set forth herein, any Restricted Stock Unit Award granted under the Plan that is not exempt from the requirements of Section 409A of the Code shall contain such provisions so that such Restricted Stock
Unit Award will comply with the requirements of Section 409A of the Code. Such restrictions, if any, shall be determined by the Board and contained in the Restricted Stock Unit Award Agreement evidencing such Restricted Stock Unit Award. For
example, such restrictions may include, without limitation, a requirement that any Common Stock that is to be issued in a year following the year in which the Restricted Stock Unit Award vests must be issued in accordance with a fixed pre-determined
schedule. 
 7.        COVENANTS OF THE
COMPANY. 
   (a)        Availability of
Shares.  During the terms of the Stock Awards, the Company shall keep available at all times the number of shares of Common Stock reasonably required to satisfy such Stock Awards. 

  (b)        Securities Law Compliance.  The Company
shall seek to obtain from each regulatory commission or agency having jurisdiction over the Plan such authority as may be required to grant Stock Awards and to issue and sell shares of Common Stock upon exercise of the Stock Awards; provided,
however, that this undertaking shall not require the Company to register under the Securities Act the Plan, any Stock Award or any Common Stock issued or issuable pursuant to any such Stock Award. If, after reasonable efforts, the Company is
unable to obtain from any such regulatory commission or agency the authority that counsel for the Company deems necessary for the lawful issuance and sale of Common Stock under the Plan, the Company shall be relieved from any liability for failure
to issue and sell Common Stock upon exercise of such Stock Awards unless and until such authority is obtained. A Participant shall not be eligible for the grant of a Stock Award or the subsequent issuance of Common Stock pursuant to the Stock Award
if such grant or issuance would be in violation of any applicable securities law. 

  (c)        No Obligation to Notify or Minimize
Taxes.  The Company shall have no duty or obligation to any Participant to advise such Participant as to the time or manner of exercising such Stock Award. Furthermore, the Company shall have no duty or obligation to warn or otherwise
advise such Participant of a pending termination or expiration of a Stock Award or a possible period in which the Stock Award may not be exercised. The Company has no duty or obligation to minimize the tax consequences of a Stock Award to the
Participant. 
 8.        MISCELLANEOUS. 

  (a)        Use of Proceeds from Sales of Common
Stock.  Proceeds from the sale of shares of Common Stock pursuant to Stock Awards shall constitute general funds of the Company. 
   (b)        Corporate Action Constituting Grant of Stock Awards.  Corporate action constituting a grant by the Company of a Stock Award
to any Participant shall be deemed 

  
 12.

 
completed as of the date of such corporate action, unless otherwise determined by the Board, regardless of when the instrument, certificate, or letter evidencing the Stock Award is communicated
to, or actually received or accepted by, the Participant. 

  (c)        Stockholder Rights.  No Participant shall
be deemed to be the holder of, or to have any of the rights of a holder with respect to, any shares of Common Stock subject to such Stock Award unless and until (i) such Participant has satisfied all requirements for the exercise of the Stock
Award, or the issuance of shares thereunder, pursuant to its terms, and (ii) the issuance of the Common Stock pursuant to the Stock Award has been entered into the books and records of the Company. 

  (d)        No Employment or Other Service
Rights.  Nothing in the Plan, any Stock Award Agreement or any other instrument executed thereunder or in connection with any Stock Award granted pursuant thereto shall confer upon any Participant any right to continue to serve the
Company or an Affiliate in the capacity in effect at the time the Stock Award was granted or shall affect the right of the Company or an Affiliate to terminate (i) the employment of an Employee with or without notice and with or without cause,
(ii) the service of a Consultant pursuant to the terms of such Consultant’s agreement with the Company or an Affiliate, or (iii) the service of a Director pursuant to the bylaws of the Company or an Affiliate, and any applicable
provisions of the corporate law of the state in which the Company or the Affiliate is incorporated, as the case may be. 
   (e)        Incentive Stock Option $100,000 Limitation.  To the extent that the aggregate Fair Market Value (determined at the time of
grant) of Common Stock with respect to which Incentive Stock Options are exercisable for the first time by any Optionholder during any calendar year (under all plans of the Company and any Affiliates) exceeds $100,000), the Options or portions
thereof that exceed such limit (according to the order in which they were granted) shall be treated as Nonstatutory Stock Options, notwithstanding any contrary provision of the applicable Option Agreement(s). 

  (f)        Investment Assurances.  The Company may
require a Participant, as a condition of exercising or acquiring Common Stock under any Stock Award, (i) to give written assurances satisfactory to the Company as to the Participant’s knowledge and experience in financial and business
matters and/or to employ a purchaser representative reasonably satisfactory to the Company who is knowledgeable and experienced in financial and business matters and that he or she is capable of evaluating, alone or together with the purchaser
representative, the merits and risks of exercising the Stock Award; and (ii) to give written assurances satisfactory to the Company stating that the Participant is acquiring Common Stock subject to the Stock Award for the Participant’s own
account and not with any present intention of selling or otherwise distributing the Common Stock. The foregoing requirements, and any assurances given pursuant to such requirements, shall be inoperative if (x) the issuance of the shares upon
the exercise or acquisition of Common Stock under the Stock Award has been registered under a then currently effective registration statement under the Securities Act, or (y) as to any particular requirement, a determination is made by counsel
for the Company that such requirement need not be met in the circumstances under the then applicable securities laws. The Company may, upon advice of counsel to the Company, place legends on stock certificates issued under the Plan as such

  
 13.

 
counsel deems necessary or appropriate in order to comply with applicable securities laws, including, but not limited to, legends restricting the transfer of the Common Stock. 

  (g)        Withholding Obligations.  Unless
prohibited by the terms of a Stock Award Agreement, the Company may, in its sole discretion, satisfy any federal, state or local tax withholding obligation relating to a Stock Award by any of the following means (in addition to the Company’s
right to withhold from any compensation paid to the Participant by the Company) or by a combination of such means: (i) causing the Participant to tender a cash payment; (ii) withholding shares of Common Stock from the shares of Common
Stock issued or otherwise issuable to the Participant in connection with the Stock Award; provided, however, that no shares of Common Stock are withheld with a value exceeding the minimum amount of tax required to be withheld by law (or such
lower amount as may be necessary to avoid classification of the Stock Award as a liability for financial accounting purposes); (iii) withholding payment from any amounts otherwise payable to the Participant; (iv) withholding cash from a
Stock Award settled in cash; or (v) by such other method as may be set forth in the Stock Award Agreement. 

  (h)        Electronic Delivery.  Any reference
herein to a “written” agreement or document shall include any agreement or document delivered electronically or posted on the Company’s intranet (or other shared electronic medium controlled by the Company to which the participant has
access). 
   (i)        Deferrals.  To the
extent permitted by applicable law, the Board, in its sole discretion, may determine that the delivery of Common Stock or the payment of cash, upon the exercise, vesting or settlement of all or a portion of any Stock Award may be deferred and may
establish programs and procedures for deferral elections to be made by Participants. Deferrals by Participants will be made in accordance with Section 409A of the Code. Consistent with Section 409A of the Code, the Board may provide for
distributions while a Participant is still an employee. The Board is authorized to make deferrals of Stock Awards and determine when, and in what annual percentages, Participants may receive payments, including lump sum payments, following the
Participant’s termination of employment or retirement, and implement such other terms and conditions consistent with the provisions of the Plan and in accordance with applicable law. 

  (j)        Compliance with Section 409A.  To
the extent that the Board determines that any Stock Award granted hereunder is subject to Section 409A of the Code, the Stock Award Agreement evidencing such Stock Award shall incorporate the terms and conditions necessary to avoid the
consequences specified in Section 409A(a)(1) of the Code. To the extent applicable, the Plan and Stock Award Agreements shall be interpreted in accordance with Section 409A of the Code. 

  (k)        Compliance with Exemption Provided by Rule
12h-1(f).  If at the end of the Company’s most recently completed fiscal year: (i) the aggregate of the number of persons who hold outstanding compensatory employee stock options to purchase shares of Common Stock granted
pursuant to the Plan or otherwise (such persons, “Holders of Options”) equals or exceeds 500, and (ii) the Company’s assets exceed $10,000,000, then the following restrictions shall apply during any period during
which the Company does not have a class of its securities registered under Section 12 of the Exchange Act and is not required to file reports under Section 

  
 14.

 
15(d) of the Exchange Act: (A) the Options and, prior to exercise, the shares of Common Stock acquired upon exercise of the Options may not be transferred until the Company is no longer
relying on the exemption provided by Rule 12h-1(f) promulgated under the Exchange Act (“Rule 12h-1(f)”), except: (1) as permitted by Rule 701(c) promulgated under the Securities Act, (2) to a guardian upon the
disability of the Holder of Options, or (3) to an executor upon the death of the Holder of Options (collectively, the “Permitted Transferees”); provided, however, the following transfers are permitted:
(i) transfers by the Holder of Options to the Company, and (ii) transfers in connection with a change of control or other acquisition involving the Company, if following such transaction, the Options no longer remain outstanding and the
Company is no longer relying on the exemption provided by Rule 12h-1(f); provided further, that any Permitted Transferees may not further transfer the Options; (B) except as otherwise provided in (A) above, the Options and shares of
Common Stock acquired upon exercise of the Options are restricted as to any pledge, hypothecation, or other transfer, including any short position, any “put equivalent position” as defined by Rule 16a-1(h) promulgated under the Exchange
Act, or any “call equivalent position” as defined by Rule 16a-1(b) promulgated under the Exchange Act by the Holder of Options prior to exercise of an Option until the Company is no longer relying on the exemption provided by Rule
12h-1(f); and (C) at any time that the Company is relying on the exemption provided by Rule 12h-1(f), the Company shall deliver to Holders of Options (whether by physical or electronic delivery or written notice of the availability of the
information on an internet site) the information required by Rule 701(e)(3), (4) and (5) promulgated under the Securities Act every six months, including financial statements that are not more than 180 days old; provided, however,
that the Company may condition the delivery of such information upon the Holder of Options’ agreement to maintain its confidentiality. 
   (l)        Repurchase Limitation.  The terms of any repurchase right shall be specified in the Stock Award Agreement. The repurchase
price for vested shares of Common Stock shall be the Fair Market Value of the shares of Common Stock on the date of repurchase. The repurchase price for unvested shares of Common Stock shall be the lower of (i) the Fair Market Value of the
shares of Common Stock on the date of repurchase or (ii) their original purchase price. However, the Company shall not exercise its repurchase right until at least six months (or such longer or shorter period of time necessary to avoid
classification of the Stock Award as a liability for financial accounting purposes) have elapsed following delivery of shares of Common Stock subject to the Stock Award, unless otherwise specifically provided by the Board. 

9.        ADJUSTMENTS UPON CHANGES IN
COMMON STOCK; OTHER CORPORATE EVENTS. 
   (a)        Capitalization Adjustments.  In the event of a Capitalization Adjustment, the Board shall appropriately and proportionately
adjust: (i) the class(es) and maximum number of securities subject to the Plan pursuant to Section 3(a), (ii) the class(es) and maximum number of securities that may be issued pursuant to the exercise of Incentive Stock Options
pursuant to Section 3(c), and (iii) the class(es) and number of securities and price per share of stock subject to outstanding Stock Awards. The Board shall make such adjustments, and its determination shall be final, binding and
conclusive. 
   (b)        Dissolution or
Liquidation.  Except as otherwise provided in the Stock Award Agreement, in the event of a dissolution or liquidation of the Company, all outstanding Stock Awards (other than Stock Awards consisting of vested and outstanding shares of
Common Stock 

  
 15.

 
not subject to a forfeiture condition or the Company’s right of repurchase) shall terminate immediately prior to the completion of such dissolution or liquidation, and the shares of Common
Stock subject to the Company’s repurchase rights or subject to a forfeiture condition may be repurchased or reacquired by the Company notwithstanding the fact that the holder of such Stock Award is providing Continuous Service. 

  (c)        Corporate Transaction.  The following
provisions shall apply to Stock Awards in the event of a Corporate Transaction unless otherwise provided in the instrument evidencing the Stock Award or any other written agreement between the Company or any Affiliate and the holder of the Stock
Award or unless otherwise expressly provided by the Board at the time of grant of a Stock Award. 

  (i)        Stock Awards May Be Assumed.  Except as
otherwise stated in the Stock Award Agreement, in the event of a Corporate Transaction, any surviving corporation or acquiring corporation (or the surviving or acquiring corporation’s parent company) may assume or continue any or all Stock
Awards outstanding under the Plan or may substitute similar stock awards for Stock Awards outstanding under the Plan (including but not limited to, awards to acquire the same consideration paid to the stockholders of the Company pursuant to the
Corporate Transaction), and any reacquisition or repurchase rights held by the Company in respect of Common Stock issued pursuant to Stock Awards may be assigned by the Company to the successor of the Company (or the successor’s parent company,
if any), in connection with such Corporate Transaction. A surviving corporation or acquiring corporation (or its parent) may choose to assume or continue only a portion of a Stock Award or substitute a similar stock award for only a portion of a
Stock Award. The terms of any assumption, continuation or substitution shall be set by the Board in accordance with the provisions of Section 2. 
   (ii)       Stock Awards Held by Current Participants.  Except as otherwise stated in the Stock Award Agreement, in the event of a Corporate
Transaction in which the surviving corporation or acquiring corporation (or its parent company) does not assume or continue such outstanding Stock Awards or substitute similar stock awards for such outstanding Stock Awards, then with respect to
Stock Awards that have not been assumed, continued or substituted and that are held by Participants whose Continuous Service has not terminated prior to the effective time of the Corporate Transaction (referred to as the “Current
Participants”), the vesting of such Stock Awards (and, if applicable, the time at which such Stock Awards may be exercised) shall (contingent upon the effectiveness of the Corporate Transaction) be accelerated in full to a date prior to
the effective time of such Corporate Transaction as the Board shall determine (or, if the Board shall not determine such a date, to the date that is five days prior to the effective time of the Corporate Transaction), and such Stock Awards shall
terminate if not exercised (if applicable) at or prior to the effective time of the Corporate Transaction, and any reacquisition or repurchase rights held by the Company with respect to such Stock Awards shall lapse (contingent upon the
effectiveness of the Corporate Transaction). 
   (iii)      Stock
Awards Held by Persons other than Current Participants.  Except as otherwise stated in the Stock Award Agreement, in the event of a Corporate Transaction in which the surviving corporation or acquiring corporation (or its parent
company) does not assume or continue such outstanding Stock Awards or substitute similar stock awards for such outstanding Stock Awards, then with respect to Stock Awards that have not been 

  
 16.

 
assumed, continued or substituted and that are held by persons other than Current Participants, the vesting of such Stock Awards (and, if applicable, the time at which such Stock Award may be
exercised) shall not be accelerated and such Stock Awards (other than a Stock Award consisting of vested and outstanding shares of Common Stock not subject to the Company’s right of repurchase) shall terminate if not exercised (if applicable)
prior to the effective time of the Corporate Transaction; provided, however, that any reacquisition or repurchase rights held by the Company with respect to such Stock Awards shall not terminate and may continue to be exercised
notwithstanding the Corporate Transaction. 

  (iv)       Payment for Stock Awards in Lieu of
Exercise.  Notwithstanding the foregoing, in the event a Stock Award will terminate if not exercised prior to the effective time of a Corporate Transaction, the Board may provide, in its sole discretion, that the holder of such Stock
Award may not exercise such Stock Award but will receive a payment, in such form as may be determined by the Board, equal in value to the excess, if any, of (A) the value of the property the holder of the Stock Award would have received upon
the exercise of the Stock Award, over (B) any exercise price payable by such holder in connection with such exercise. 
   (d)        Change in Control.  A Stock Award may be subject to additional acceleration of vesting and exercisability upon or after a
Change in Control as may be provided in the Stock Award Agreement for such Stock Award or as may be provided in any other written agreement between the Company or any Affiliate and the Participant, but in the absence of such provision, no such
acceleration shall occur. 
 10.      TERMINATION OR SUSPENSION
OF THE PLAN. 

  (a)        Plan Term.  The Board may suspend or
terminate the Plan at any time. Unless sooner terminated by the Board pursuant to Section 2, the Plan shall automatically terminate on the day before the tenth anniversary of the earlier of (i) the date the Plan is adopted by the Board, or
(ii) the date the Plan is approved by the stockholders of the Company. No Stock Awards may be granted under the Plan while the Plan is suspended or after it is terminated. 

  (b)        No Impairment of Rights.  Suspension or
termination of the Plan shall not impair rights and obligations under any Stock Award granted while the Plan is in effect except with the written consent of the affected Participant. 
 11.      EFFECTIVE DATE OF PLAN. 

This Plan shall become effective on the Effective Date. 
 12.      CHOICE OF LAW. 
 The law of the State of California shall govern all questions concerning the construction, validity and interpretation of this Plan, without regard to that state’s conflict of laws rules. 

13.      DEFINITIONS. As used in the Plan, the following definitions shall apply to the capitalized
terms indicated below: 

  
 17.

  (a)        “Affiliate” means, at the
time of determination, any “parent” or “majority-owned subsidiary” of the Company, as such terms are defined in Rule 405. The Board shall have the authority to determine the time or times at which “parent” or
“majority-owned subsidiary” status is determined within the foregoing definition. 

  (b)        “Board” means the Board of
Directors of the Company. 

  (c)        “Capitalization Adjustment”
means any change that is made in, or other events that occur with respect to, the Common Stock subject to the Plan or subject to any Stock Award after the Effective Date without the receipt of consideration by the Company (through merger,
consolidation, reorganization, recapitalization, reincorporation, stock dividend, dividend in property other than cash, large nonrecurring cash dividend, stock split, reverse stock split, liquidating dividend, combination of shares, exchange of
shares, change in corporate structure, or any similar equity restructuring transaction, as that term is used in Statement of Financial Accounting Standards No. 123 (revised). Notwithstanding the foregoing, the conversion of any convertible
securities of the Company shall not be treated as a Capitalization Adjustment. 

  (d)        “Change in Control” means
the occurrence, in a single transaction or in a series of related transactions, of any one or more of the following events: 
   (i)        any Exchange Act Person becomes the Owner, directly or indirectly, of securities of the Company representing more than 50% of the
combined voting power of the Company’s then outstanding securities other than by virtue of a merger, consolidation or similar transaction. Notwithstanding the foregoing, a Change in Control shall not be deemed to occur (A) on account of
the acquisition of securities of the Company directly from the Company, (B) on account of the acquisition of securities of the Company by an investor, any affiliate thereof or any other Exchange Act Person that acquires the Company’s
securities in a transaction or series of related transactions the primary purpose of which is to obtain financing for the Company through the issuance of equity securities or (C) solely because the level of Ownership held by any Exchange Act
Person (the “Subject Person”) exceeds the designated percentage threshold of the outstanding voting securities as a result of a repurchase or other acquisition of voting securities by the Company reducing the number of shares
outstanding, provided that if a Change in Control would occur (but for the operation of this sentence) as a result of the acquisition of voting securities by the Company, and after such share acquisition, the Subject Person becomes the Owner of any
additional voting securities that, assuming the repurchase or other acquisition had not occurred, increases the percentage of the then outstanding voting securities Owned by the Subject Person over the designated percentage threshold, then a Change
in Control shall be deemed to occur; 
   (ii)       there
is consummated a merger, consolidation or similar transaction involving (directly or indirectly) the Company and, immediately after the consummation of such merger, consolidation or similar transaction, the stockholders of the Company immediately
prior thereto do not Own, directly or indirectly, either (A) outstanding voting securities representing more than 50% of the combined outstanding voting power of the surviving Entity in such merger, consolidation or similar transaction or
(B) more than 50% of the combined outstanding voting power of the parent of the surviving Entity in such merger, consolidation or similar 

  
 18.

 
transaction, in each case in substantially the same proportions as their Ownership of the outstanding voting securities of the Company immediately prior to such transaction; 

  (iii)      the stockholders of the Company approve or the Board
approves a plan of complete dissolution or liquidation of the Company, or a complete dissolution or liquidation of the Company shall otherwise occur, except for a liquidation into a parent corporation; or 

  (iv)      there is consummated a sale, lease, exclusive license or
other disposition of all or substantially all of the consolidated assets of the Company and its Subsidiaries, other than a sale, lease, license or other disposition of all or substantially all of the consolidated assets of the Company and its
Subsidiaries to an Entity, more than 50% of the combined voting power of the voting securities of which are Owned by stockholders of the Company in substantially the same proportions as their Ownership of the outstanding voting securities of the
Company immediately prior to such sale, lease, license or other disposition. 
 Notwithstanding the foregoing definition or any other provision
of this Plan, (A) the term Change in Control shall not include a sale of assets, merger or other transaction effected exclusively for the purpose of changing the domicile of the Company, and (B) the definition of Change in Control (or any
analogous term) in an individual written agreement between the Company or any Affiliate and the Participant shall supersede the foregoing definition with respect to Stock Awards subject to such agreement; provided, however, that if no
definition of Change in Control or any analogous term is set forth in such an individual written agreement, the foregoing definition shall apply. 
   (e)        “Code” means the Internal Revenue Code of 1986, as amended, including any applicable regulations and guidance
thereunder. 

  (f)        “Committee” means a
committee of one (1) or more Directors to whom authority has been delegated by the Board in accordance with Section 2(c). 
   (g)        “Common Stock” means the common stock of the Company. 

  (h)        “Company” means Five Prime
Therapeutics, Inc., a Delaware corporation. 

  (i)         “Consultant” means
any natural person, including an advisor, who is (i) engaged by the Company or an Affiliate to render consulting or advisory services and is compensated for such services, or (ii) serving as a member of the board of directors of an
Affiliate and is compensated for such services. However, service solely as a Director, or payment of a fee for such service, shall not cause a Director to be considered a “Consultant” for purposes of the Plan. Notwithstanding the
foregoing, (A) before the Common Stock has been registered under a then currently effective registration statement under the Securities Act, a Consultant shall not be eligible for the grant of a Stock Award if, at the time of grant, either the
offer or the sale of the Company’s securities to such Consultant is not exempt under Rule 701 because of the nature of the services that the Consultant is providing to the Company, because the Consultant is not a natural person, or because of
any other provision of Rule 701 and (B) if the issuance of the shares upon the exercise or acquisition of Common Stock under the Stock Award has been registered under a then currently effective registration statement under the Securities Act, a
person is treated as a Consultant under this Plan only if a Form S-8 Registration Statement under 

  
 19.

 
the Securities Act is available to register either the offer or the sale of the Company’s securities to such person.  

  (j)        “Continuous Service” means
that the Participant’s service with the Company or an Affiliate, whether as an Employee, Director or Consultant, is not interrupted or terminated. A change in the capacity in which the Participant renders service to the Company or an Affiliate
as an Employee, Director or Consultant or a change in the Entity for which the Participant renders such service, provided that there is no interruption or termination of the Participant’s service with the Company or an Affiliate, shall not
terminate a Participant’s Continuous Service; provided, however, that if the Entity for which a Participant is rendering service ceases to qualify as an Affiliate, as determined by the Board in its sole discretion, such
Participant’s Continuous Service shall be considered to have terminated on the date such Entity ceases to qualify as an Affiliate. For example, a change in status from an employee of the Company to a consultant of an Affiliate or to a Director
shall not constitute an interruption of Continuous Service. To the extent permitted by law, the Board or the chief executive officer of the Company, in that party’s sole discretion, may determine whether Continuous Service shall be considered
interrupted in the case of (i) any leave of absence approved by the Board or chief executive officer, including sick leave, military leave or any other personal leave, or (ii) transfers between the Company, an Affiliate, or their
successors. Notwithstanding the foregoing, a leave of absence shall be treated as Continuous Service for purposes of vesting in a Stock Award only to such extent as may be provided in the Company’s leave of absence policy, in the written terms
of any leave of absence agreement or policy applicable to the Participant, or as otherwise required by law. 

  (k)        “Corporate Transaction”
means the occurrence, in a single transaction or in a series of related transactions, of any one or more of the following events: 
   (i)        the consummation of a sale or other disposition of all or substantially all, as determined by the Board in its sole discretion, of the
consolidated assets of the Company and its Subsidiaries; 

  (ii)       the consummation of a sale or other disposition of at
least 90% of the outstanding securities of the Company; 

  (iii)      the consummation of a merger, consolidation or similar
transaction following which the Company is not the surviving corporation; or 

  (iv)      the consummation of a merger, consolidation or similar
transaction following which the Company is the surviving corporation but the shares of Common Stock outstanding immediately preceding the merger, consolidation or similar transaction are converted or exchanged by virtue of the merger, consolidation
or similar transaction into other property, whether in the form of securities, cash or otherwise. 

  (l)        “Director” means a member
of the Board. 
   (m)      “Disability”
means, with respect to a Participant, the inability of a Participant to engage in any substantially gainful activity by reason of any medically determinable physical or mental impairment which can be expected to result in death or which has lasted
or can be expected to last for a continuous period of not less than 12 months as provided in Sections 

  
 20.

 
22(e)(3) and 409A(a)(2)(c)(i) of the Code and shall be determined by the Board on the basis of such medical evidence as the Board deems warranted under the circumstances. 

  (n)        “Effective Date” means the
effective date of this Plan, which is the earlier of (i) the date that this Plan is first approved by the Company’s stockholders, or (ii) the date this Plan is adopted by the Board. 

  (o)        “Employee” means any person
employed by the Company or an Affiliate. However, service solely as a Director, or payment of a fee for such services, shall not cause a Director to be considered an “Employee” for purposes of the Plan. 

  (p)        “Entity” means a
corporation, partnership, limited liability company or other entity. 

  (q)        “Exchange Act” means the
Securities Exchange Act of 1934, as amended, and the rules and regulations promulgated thereunder. 

  (r)        “Exchange Act Person” means
any natural person, Entity or “group” (within the meaning of Section 13(d) or 14(d) of the Exchange Act), except that “Exchange Act Person” shall not include (i) the Company or any Subsidiary of the Company,
(ii) any employee benefit plan of the Company or any Subsidiary of the Company or any trustee or other fiduciary holding securities under an employee benefit plan of the Company or any Subsidiary of the Company, (iii) an underwriter
temporarily holding securities pursuant to an offering of such securities, (iv) an Entity Owned, directly or indirectly, by the stockholders of the Company in substantially the same proportions as their Ownership of stock of the Company; or
(v) any natural person, Entity or “group” (within the meaning of Section 13(d) or 14(d) of the Exchange Act) that, as of the Effective Date, is the Owner, directly or indirectly, of securities of the Company representing more
than 50% of the combined voting power of the Company’s then outstanding securities. 

  (s)        “Fair Market Value” means,
as of any date, the value of the Common Stock determined by the Board in compliance with Section 409A of the Code or, in the case of an Incentive Stock Option, in compliance with Section 422 of the Code. 

  (t)        “Incentive Stock Option”
means an option that qualifies as an “incentive stock option” within the meaning of Section 422 of the Code and the regulations promulgated thereunder. 

  (u)        “Nonstatutory Stock Option”
means an Option that does not qualify as an Incentive Stock Option. 

  (v)        “Officer” means any person
designated by the Company as an officer. 

  (w)        “Option” means an Incentive
Stock Option or a Nonstatutory Stock Option to purchase shares of Common Stock granted pursuant to the Plan. 

  (x)        “Option Agreement” means a
written agreement between the Company and an Optionholder evidencing the terms and conditions of an Option grant. Each Option Agreement shall be subject to the terms and conditions of the Plan. 

  
 21.

  (y)        “Optionholder” means a
person to whom an Option is granted pursuant to the Plan or, if applicable, such other person who holds an outstanding Option. 
   (z)        “Own,” “Owned,” “Owner,”
“Ownership” A person or Entity shall be deemed to “Own,” to have “Owned,” to be the “Owner” of, or to have acquired “Ownership” of securities if such person or Entity, directly
or indirectly, through any contract, arrangement, understanding, relationship or otherwise, has or shares voting power, which includes the power to vote or to direct the voting, with respect to such securities. 

  (aa)      “Participant” means a person to whom a
Stock Award is granted pursuant to the Plan or, if applicable, such other person who holds an outstanding Stock Award. 
   (bb)      “Plan” means this Five Prime Therapeutics, Inc. 2010 Equity Incentive Plan. 

  (cc)       “Restricted Stock Award” means
an award of shares of Common Stock which is granted pursuant to the terms and conditions of Section 6(a). 

  (dd)       “Restricted Stock Award
Agreement” means a written agreement between the Company and a holder of a Restricted Stock Award evidencing the terms and conditions of a Restricted Stock Award. Each Restricted Stock Award Agreement shall be subject to the terms and
conditions of the Plan. 
   (ee)      “Restricted
Stock Unit Award” means a right to receive shares of Common Stock which is granted pursuant to the terms and conditions of Section 6(b). 
   (ff)       “Restricted Stock Unit Award Agreement” means a written agreement between the Company and a holder of a Restricted
Stock Unit Award evidencing the terms and conditions of a Restricted Stock Unit Award grant. Each Restricted Stock Unit Award Agreement shall be subject to the terms and conditions of the Plan. 

  (gg)      “Rule 405” means Rule 405 promulgated
under the Securities Act. 
   (hh)      “Rule
701” means Rule 701 promulgated under the Securities Act. 

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

  (jj)        “Stock Appreciation Right”
or “SAR” means a right to receive the appreciation on Common Stock that is granted pursuant to the terms and conditions of Section 5. 

  (kk)      “Stock Appreciation Right Agreement”
means a written agreement between the Company and a holder of a Stock Appreciation Right evidencing the terms and conditions of a Stock Appreciation Right grant. Each Stock Appreciation Right Agreement shall be subject to the terms and conditions of
the Plan. 
   (ll)       “Stock
Award” means any right to receive Common Stock granted under the Plan, including an Incentive Stock Option, a Nonstatutory Stock Option, a Restricted Stock Award, a Restricted Stock Unit Award, or a Stock Appreciation Right. 

  
 22.

   (mm)      “Stock
Award Agreement” means a written agreement between the Company and a Participant evidencing the terms and conditions of a Stock Award grant. Each Stock Award Agreement shall be subject to the terms and conditions of the Plan.

   (nn)        “Subsidiary”
means, with respect to the Company, (i) any corporation of which more than 50% of the outstanding capital stock having ordinary voting power to elect a majority of the board of directors of such corporation (irrespective of whether, at the
time, stock of any other class or classes of such corporation shall have or might have voting power by reason of the happening of any contingency) is at the time, directly or indirectly, Owned by the Company, and (ii) any partnership, limited
liability company or other entity in which the Company has a direct or indirect interest (whether in the form of voting or participation in profits or capital contribution) of more than 50% . 

  (oo)        “Ten Percent Stockholder”
means a person who Owns (or is deemed to Own pursuant to Section 424(d) of the Code) stock possessing more than ten percent of the total combined voting power of all classes of stock of the Company or any Affiliate. 

  
 23.

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