Document:

2012 Equity Incentive Award Plan and form of agreement thereunder

 Exhibit 10.3 
 CHEMOCENTRYX, INC. 
 2012 EQUITY INCENTIVE AWARD PLAN 

ARTICLE 1. 

PURPOSE 
 The purpose of the ChemoCentryx, Inc. 2012 Equity Incentive Award Plan (as it may be amended or restated from time to time, the “Plan”) is to promote the success and enhance the
value of ChemoCentryx, Inc. (the “Company”) by linking the individual interests of the members of the Board, Employees, and Consultants to those of Company stockholders and by providing such individuals with an incentive for
outstanding performance to generate superior returns to Company stockholders. The Plan is further intended to provide flexibility to the Company in its ability to motivate, attract, and retain the services of members of the Board, Employees, and
Consultants upon whose judgment, interest, and special effort the successful conduct of the Company’s operation is largely dependent. The Plan provides a mechanism through which the Company may grant equity and equity-based awards as well as
cash bonus and other cash awards to Eligible Individuals. 
 ARTICLE 2. 

DEFINITIONS AND CONSTRUCTION 
 Wherever the following terms are used in the Plan they shall have the meanings specified below, unless the context clearly indicates otherwise. The singular pronoun shall include the plural where the
context so indicates. Masculine, feminine and neuter pronouns are used interchangeably and each comprehends the others. 
 2.1 “Administrator” shall mean the entity that conducts the general administration of the Plan as provided in Article 12. With reference to the duties of the Committee under the
Plan that have been delegated to one or more persons pursuant to Section 12.6, or that the Board has assumed, the term “Administrator” shall refer to such person(s) unless the Committee or the Board has revoked such delegation or the
Board has terminated the assumption of such duties. 
 2.2 “Affiliate” shall mean
(a) any Subsidiary; and (b) any domestic eligible entity that is disregarded, under Treasury Regulation Section 301.7701-3, as an entity separate from either (i) the Company or (ii) any Subsidiary. 

2.3 “Applicable Accounting Standards” shall mean Generally Accepted Accounting Principles in the
United States, International Financial Reporting Standards or such other accounting principles or standards as may apply to the Company’s financial statements under United States federal securities laws from time to time. 

2.4 “Applicable Law” shall mean any applicable law, including without limitation;
(i) provisions of the Code, the Securities Act, the Exchange Act and any rules or regulations thereunder; (ii) corporate, securities, tax or other laws, statutes, rules, requirements or

 
regulations, whether federal, state, local or foreign; and (iii) rules of any securities exchange or automated quotation system on which the Shares are listed, quoted or traded. 

2.5 “Award” shall mean an Option, a Restricted Stock award, a Restricted Stock Unit award, a
Performance Award, a Dividend Equivalents award, a Stock Payment award or a Stock Appreciation Right, that may be awarded or granted under the Plan (collectively, “Awards”). 

2.6 “Award Agreement” shall mean any written notice, agreement, terms and conditions, contract or
other instrument or document evidencing an Award, including through electronic medium, which shall contain such terms and conditions with respect to an Award as the Administrator shall determine consistent with the Plan. 

2.7 “Award Limit” shall mean with respect to Awards that shall be payable in Shares or in cash,
as the case may be, the respective limit set forth in Section 3.3. 
 2.8 “Board”
shall mean the Board of Directors of the Company. 
 2.9 “Cause” shall mean the
occurrence of any of, but not limited to, the following: (a) conviction of a Holder of any felony or any crime involving fraud or dishonesty; (b) a Holder’s participation (whether by affirmative act or omission) in a fraud, act or
dishonesty or other act of misconduct against the Company and/or any Affiliate; (c) conduct by a Holder that, based upon a good faith and reasonable factual investigation by the Company (or, if a Holder is an executive officer, by the Board),
demonstrates such Holder’s unfitness to serve; (d) a Holder’s violation of any statutory or fiduciary duty, or duty of loyalty owed to the Company and/or any Affiliate; (e) a Holder’s violation of state or federal law in
connection with the Holder’s performance of his or her job that has an adverse effect on the Company and/or any Affiliate; and (f) a Holder’s violation of Company policy that has a material adverse effect on the Company and/or any
Affiliate. Notwithstanding the foregoing, a Holder’s Disability shall not constitute Cause as set forth herein. The determination that a termination is for Cause shall be by the Administrator it its sole and exclusive judgment and discretion.
Notwithstanding the foregoing, if a Holder is a party to an employment or severance agreement with the Company or any Affiliate in effect as of the date of grant of an Award that defines “Misconduct” or “Cause” or a similar term,
“Cause” for purposes of the Plan and such Award shall have the meaning given to such term in such employment or severance agreement. 
 2.10 “Change in Control” shall mean and includes each of the following: 
 (a) A transaction or series of transactions (other than an offering of Common Stock to the general public through a registration statement filed with the Securities and Exchange Commission) whereby any
“person” or related “group” of “persons” (as such terms are used in Sections 13(d) and 14(d)(2) of the Exchange Act) (other than the Company, any of its Subsidiaries, an employee benefit plan maintained by the Company
or any of its Subsidiaries or a “person” that, prior to such transaction, directly or indirectly controls, is controlled by, or is under common control with, the Company) directly or indirectly acquires beneficial ownership (within the
meaning of Rule 13d-3 under the Exchange Act) of securities of the Company 

 
possessing more than 50% of the total combined voting power of the Company’s securities outstanding immediately after such acquisition; or 

(b) During any period of two consecutive years, individuals who, at the beginning of such period, constitute the Board
together with any new Director(s) (other than a Director designated by a person who shall have entered into an agreement with the Company to effect a transaction described in Section 2.10(a) or 2.10(c)) whose election by the Board or nomination
for election by the Company’s stockholders was approved by a vote of at least two-thirds of the Directors then still in office who either were Directors at the beginning of the two-year period or whose election or nomination for election was
previously so approved, cease for any reason to constitute a majority thereof; or 
 (c) The consummation by
the Company (whether directly involving the Company or indirectly involving the Company through one or more intermediaries) of (x) a merger, consolidation, reorganization, or business combination or (y) a sale or other disposition of all
or substantially all of the Company’s assets in any single transaction or series of related transactions or (z) the acquisition of assets or stock of another entity, in each case other than a transaction: 

(i) that results in the Company’s voting securities outstanding immediately before the transaction continuing to
represent (either by remaining outstanding or by being converted into voting securities of the Company or the person that, as a result of the transaction, controls, directly or indirectly, the Company or owns, directly or indirectly, all or
substantially all of the Company’s assets or otherwise succeeds to the business of the Company (the Company or such person, the “Successor Entity”)) directly or indirectly, at least a majority of the combined voting
power of the Successor Entity’s outstanding voting securities immediately after the transaction, and 

(ii) after which no person or group beneficially owns voting securities representing 50% or more of the combined voting
power of the Successor Entity; provided, however, that no person or group shall be treated for purposes of this Section 2.10(c)(ii) as beneficially owning 50% or more of the combined voting power of the Successor Entity
solely as a result of the voting power held in the Company prior to the consummation of the transaction; or 

(d) The Company’s stockholders approve a liquidation or dissolution of the Company. 

Notwithstanding the foregoing, if a Change in Control constitutes a payment event with respect to any portion of an Award
that provides for the deferral of compensation and is subject to Section 409A of the Code, the transaction or event described in subsection (a), (b), (c) or (d) with respect to such Award (or portion thereof) must also constitute a
“change in control event,” as defined in Treasury Regulation Section 1.409A-3(i)(5) to the extent required by Section 409A. 
 The Committee shall have full and final authority to determine conclusively whether a Change in Control of the Company has occurred pursuant to the above definition, and the date of the occurrence of such
Change in Control and any incidental matters relating thereto; provided 

 
that any exercise of authority in conjunction with a determination of whether a Change in Control is a “change in control event” as defined in Treasury Regulation
Section 1.409A-3(i)(5) shall be consistent with such regulation. 
 2.11 “Code”
shall mean the Internal Revenue Code of 1986, as amended from time to time, together with the regulations and official guidance promulgated thereunder. 
 2.12 “Committee” shall mean the Compensation Committee of the Board, or another committee or subcommittee of the Board, appointed as provided in Section 12.1. 

2.13 “Common Stock” shall mean the common stock of the Company, par value $0.01 per share.

 2.14 “Company” shall have the meaning set forth in Article 1. 

2.15 “Consultant” shall mean any consultant or adviser engaged to provide services to the Company
or any Affiliate that qualifies as a consultant under the applicable rules of the Securities and Exchange Commission for registration of shares on a Form S-8 Registration Statement. 

2.16 “Covered Employee” shall mean any Employee who is, or could be, a “covered
employee” within the meaning of Section 162(m) of the Code. 
 2.17 “Director”
shall mean a member of the Board, as constituted from time to time. 
 2.18 “Disability”
shall mean that the Holder is either (a) unable to engage in any substantial gainful activity by reason of any medically determinable physical or mental impairment that can be expected to result in death or can be expected to last for a
continuous period of not less than twelve months, or (b) by reason of any medically determinable physical or mental impairment that can be expected to result in death or can be expected to last for a continuous period of not less than twelve
months, receiving income replacement benefits for a period of not less than three months under a long-term disability income plan, if any, covering employees of the Company. For purposes of the Plan, a Holder shall be deemed to have incurred a
Disability if the Holder is determined to be totally disabled by the Social Security Administration or in accordance with the applicable disability insurance program of the Company; provided that the definition of “disability”
applied under such disability insurance program complies with the requirements of this definition. 
 2.19
“Dividend Equivalent” shall mean a right to receive the equivalent value (in cash or Shares) of dividends paid on Shares, awarded under Section 9.2. 

2.20 “DRO” shall mean a domestic relations order as defined by the Code or Title I of the
Employee Retirement Income Security Act of 1974, as amended from time to time, or the rules thereunder. 
 2.21
“Effective Date” shall mean the day prior to the Public Trading Date. 

 2.22 “Eligible Individual” shall mean any person who
is an Employee, a Consultant or a Non-Employee Director, as determined by the Administrator. 
 2.23
“Employee” shall mean any officer or other employee (as determined in accordance with Section 3401(c) of the Code and the Treasury Regulations thereunder) of the Company or of any Affiliate. 

2.24 “Equity Restructuring” shall mean a nonreciprocal transaction between the Company and its
stockholders, such as a stock dividend, stock split, spin-off, rights offering or recapitalization through a large, nonrecurring cash dividend, that affects the number or kind of Shares (or other securities of the Company) or the share price of
Common Stock (or other securities) and causes a change in the per-share value of the Common Stock underlying outstanding Awards. 
 2.25 “Exchange Act” shall mean the Securities Exchange Act of 1934, as amended from time to time. 

2.26 “Expiration Date” shall have the meaning given to such term in Section 13.1.

 2.27 “Fair Market Value” shall mean, as of any given date, the value of a Share
determined as follows (unless an alternative definition is approved by the Administrator and set forth in the applicable Award Agreement, in which case such definition shall apply to such Award): 

(a) If the Common Stock is listed on any (i) established securities exchange (such as the New York Stock Exchange,
the NASDAQ Global Market and the NASDAQ Global Select Market), (ii) national market system or (iii) automated quotation system on which the Shares are listed, quoted or traded, its Fair Market Value shall be the closing sales price for a
Share as quoted on such exchange or system for such date or, if there is no closing sales price for a Share on the date in question, the closing sales price for a Share on the last preceding date for which such quotation exists, as reported in
The Wall Street Journal or such other source as the Administrator deems reliable; 
 (b) If the Common
Stock is not listed on an established securities exchange, national market system or automated quotation system, but the Common Stock is regularly quoted by a recognized securities dealer, its Fair Market Value shall be the mean of the high bid and
low asked prices for such date or, if there are no high bid and low asked prices for a Share on such date, the high bid and low asked prices for a Share on the last preceding date for which such information exists, as reported in The Wall Street
Journal or such other source as the Administrator deems reliable; or 
 (c) If the Common Stock is neither
listed on an established securities exchange, national market system or automated quotation system nor regularly quoted by a recognized securities dealer, its Fair Market Value shall be established by the Administrator in good faith. 

 2.28 “Good Reason” shall mean (a) a change in
the Holder’s position with the Company (or its Affiliate employing the Holder) that materially reduces the Holder’s duties and responsibilities or the level of management to which he or she reports, (b) a reduction in the
Holder’s level of compensation (including base salary, fringe benefits and target bonuses under any corporate performance-based incentive programs) by more than fifteen percent or (c) a relocation of the Holder’s place of employment
by more than 50 miles, provided that such change, reduction or relocation is effected by the Company (or its Affiliate employing the Holder) without the Holder’s consent. 

2.29 “Greater Than 10% Stockholder” shall mean an individual then owning (within the meaning of
Section 424(d) of the Code) more than 10% of the total combined voting power of all classes of stock of the Company or any subsidiary corporation (as defined in Section 424(f) of the Code) or parent corporation thereof (as defined in
Section 424(e) of the Code). 
 2.30 “Holder” shall mean a person who has been
granted an Award. 
 2.31 “Incentive Stock Option” shall mean an Option that is intended
to qualify as an incentive stock option and conforms to the applicable provisions of Section 422 of the Code. 
 2.32 “Non-Employee Director” shall mean a Director of the Company who is not an Employee. 
 2.33 “Non-Employee Director Compensation Policy” shall have the meaning set forth in Section 4.6. 

2.34 “Non-Qualified Stock Option” shall mean an Option that is not an Incentive Stock Option.

 2.35 “Option” shall mean a right to purchase Shares at a specified exercise price,
granted under Article 6. An Option shall be either a Non-Qualified Stock Option or an Incentive Stock Option; provided, however, that Options granted to Non-Employee Directors and Consultants shall only be Non-Qualified Stock Options.

 2.36 “Option Term” shall have the meaning set forth in Section 6.3. 

2.37 “Performance Award” shall mean a cash bonus award, stock bonus award, performance award or
incentive award that is paid in cash, Shares or a combination of both, awarded under Section 9.1. 
 2.38
“Performance-Based Compensation” shall mean any compensation that is intended to qualify as “performance-based compensation” as described in Section 162(m)(4)(C) of the Code. 

2.39 “Performance Criteria” shall mean the criteria (and adjustments) that the Committee selects
for an Award for purposes of establishing the Performance Goal or Performance Goals for a Performance Period, determined as follows: 

 (a) The Performance Criteria that shall be used to establish Performance
Goals are limited to the following: (i) net earnings (either before or after one or more of the following: (A) interest, (B) taxes, (C) depreciation and (D) amortization); (ii) gross or net sales or revenue;
(iii) net income (either before or after taxes); (iv) adjusted net income; (v) operating earnings; (vi) cash flow (including, but not limited to, operating cash flow and free cash flow); (vii) return on assets;
(viii) return on capital; (ix) return on stockholders’ equity; (x) total stockholder return; (xi) return on sales; (xii) gross or net profit or operating margin; (xiii) operating or other costs and expenses;
(xiv) improvements in expense levels; (xv) working capital; (xvi) earnings per share; (xvii) adjusted earnings per share; (xviii) price per share of Common Stock; (xix) regulatory body approval for commercialization of
a product; (xx) implementation or completion of critical projects; (xxi) market share; (xxii) economic value; (xxiii) comparisons with various stock market indices; (xxiv) capital raised in financing transactions or other
financing milestones; (xxv) stockholders’ equity; (xxvi) market recognition (including but not limited to awards and analyst ratings); (xxvii) financial ratios; and (xxviii) implementation, completion or attainment of
objectively determinable objectives relating to research, development, regulatory, commercial, or strategic milestones or developments; in each case as determined in accordance with Applicable Accounting Standards, if applicable, any of which may be
measured either in absolute terms or as compared to any incremental increase or decrease or as compared to results of a peer group or to market performance indicators or indices. 

(b) The Administrator, in its sole discretion, may provide that one or more objectively determinable adjustments shall
be made to one or more of the Performance Goals. Such adjustments may include one or more of the following: (i) items related to a change in accounting principle; (ii) items relating to financing activities; (iii) expenses for
restructuring or productivity initiatives; (iv) other non-operating items; (v) items related to acquisitions; (vi) items attributable to the business operations of any entity acquired by the Company during the Performance Period;
(vii) items related to the disposal of a business or segment of a business; (viii) items related to discontinued operations that do not qualify as a segment of a business under Applicable Accounting Standards; (ix) items attributable
to any stock dividend, stock split, combination or exchange of stock occurring during the Performance Period; (x) any other items of significant income or expense that are determined to be appropriate adjustments; (xi) items relating to
unusual or extraordinary corporate transactions, events or developments; (xii) items related to amortization of acquired intangible assets; (xiii) items that are outside the scope of the Company’s core, on-going business activities;
(xiv) items related to acquired in-process research and development; (xv) items relating to changes in tax laws; (xvi) items relating to major licensing or partnership arrangements; (xvii) items relating to asset impairment
charges; (xviii) items relating to gains or losses for litigation, arbitration and contractual settlements; or (xix) items relating to any other unusual or nonrecurring events or changes in Applicable Law, accounting principles or business
conditions. For all Awards intended to qualify as Performance-Based Compensation, such determinations shall be made within the time prescribed by, and otherwise in compliance with, Section 162(m) of the Code. 

2.40 “Performance Goals” shall mean, for a Performance Period, one or more goals established in
writing by the Administrator for the Performance Period based upon one or more Performance Criteria. Depending on the Performance Criteria used to establish such Performance 

 
Goals, the Performance Goals may be expressed in terms of overall Company performance or the performance of an Affiliate, division, business unit, or an individual. The achievement of each
Performance Goal shall be determined, to the extent applicable, with reference to Applicable Accounting Standards. 
 2.41 “Performance Period” shall mean one or more periods of time, which may be of varying and overlapping durations, as the Administrator may select, over which the attainment of
one or more Performance Goals will be measured for the purpose of determining a Holder’s right to, and the payment of, an Award. 
 2.42 “Performance Stock Unit” shall mean a Performance Award awarded under Section 9.1 that is denominated in units of value including dollar value of Shares. 

2.43 “Permitted Transferee” shall mean, with respect to a Holder, any “family member”
of the Holder, as defined in the instructions to Form S-8 under the Securities Act, or any other transferee specifically approved by the Administrator after taking into account Applicable Law. 

2.44 “Plan” shall have the meaning set forth in Article 1. 

2.45 “Prior Plans” shall mean the ChemoCentryx, Inc. Amended and Restated 2002 Equity Incentive
Plan and the ChemoCentryx, Inc. Amended and Restated 1997 Stock Option/Stock Issuance Plan, as such plans may be amended from time to time. 
 2.46 “Prior Plan Award” shall mean an award outstanding under the Prior Plans as of the Effective Date. 

2.47 “Program” shall mean any program adopted by the Administrator pursuant to the Plan
containing the terms and conditions intended to govern a specified type of Award granted under the Plan and pursuant to which such type of Award may be granted under the Plan. 

2.48 “Public Trading Date” shall mean the first date upon which Common Stock is listed (or
approved for listing) upon notice of issuance on any securities exchange or designated (or approved for designation) upon notice of issuance as a national market security on an interdealer quotation system. 

2.49 “Restricted Stock” shall mean Common Stock awarded under Article 7 that is subject to
certain restrictions and may be subject to risk of forfeiture or repurchase. 
 2.50 “Restricted
Stock Units” shall mean the right to receive Shares or cash awarded under Article 8. 
 2.51
“Securities Act” shall mean the Securities Act of 1933, as amended. 
 2.52
“Shares” shall mean shares of Common Stock. 

 2.53 “Stock Appreciation Right” shall mean a stock
appreciation right granted under Article 10. 
 2.54 “Stock Appreciation Right Term”
shall have the meaning set forth in Section 10.4. 
 2.55 “Stock Payment” shall
mean (a) a payment in the form of Shares, or (b) an option or other right to purchase Shares, as part of a bonus, deferred compensation or other arrangement, awarded under Section 9.3. 

2.56 “Subsidiary” shall mean any entity (other than the Company), whether domestic or foreign, in
an unbroken chain of entities beginning with the Company if each of the entities other than the last entity in the unbroken chain beneficially owns, at the time of the determination, securities or interests representing at least 50% of the total
combined voting power of all classes of securities or interests in one of the other entities in such chain. 

2.57 “Substitute Award” shall mean an Award granted under the Plan upon the assumption of, or in
substitution for, outstanding equity awards previously granted by a company or other entity in connection with a corporate transaction, such as a merger, combination, consolidation or acquisition of property or stock; provided,
however, that in no event shall the term “Substitute Award” be construed to refer to an award made in connection with the cancellation and repricing of an Option or Stock Appreciation Right. 

2.58 “Termination of Service” shall mean: 

(a) As to a Consultant, the time when the engagement of a Holder as a Consultant to the Company or any Affiliate is
terminated for any reason, with or without cause, including, without limitation, by resignation, discharge, death or retirement, but excluding terminations where the Consultant simultaneously commences or remains in employment or service with the
Company or any Affiliate. 
 (b) As to a Non-Employee Director, the time when a Holder who is a Non-Employee
Director ceases to be a Director for any reason, including, without limitation, a termination by resignation, failure to be elected, death or retirement, but excluding terminations where the Holder simultaneously commences or remains in employment
or service with the Company or any Affiliate. 
 (c) As to an Employee, the time when the employee-employer
relationship between a Holder and the Company or any Affiliate is terminated for any reason, including, without limitation, a termination by resignation, discharge, death, disability or retirement; but excluding terminations where the Holder
simultaneously commences or remains in employment or service with the Company or any Affiliate. 
 The
Administrator, in its sole discretion, shall determine the effect of all matters and questions relating to any Termination of Service, including, without limitation, the question of whether a Termination of Service resulted from a discharge for
cause and all questions of whether particular leaves of absence constitute a Termination of Service; provided, however, 

 
that, with respect to Incentive Stock Options, unless the Administrator otherwise provides in the terms of the Program, the Award Agreement or otherwise, or as otherwise required by Applicable
Law, a leave of absence, change in status from an employee to an independent contractor or other change in the employee-employer relationship shall constitute a Termination of Service only if, and to the extent that, such leave of absence, change in
status or other change interrupts employment for the purposes of Section 422(a)(2) of the Code and the then-applicable regulations and revenue rulings under said Section. For purposes of the Plan, a Holder’s employee-employer relationship
or consultancy relationship shall be deemed to be terminated in the event that the Affiliate employing or contracting with such Holder ceases to remain an Affiliate following any merger, sale of stock or other corporate transaction or event
(including, without limitation, a spin-off). 
 ARTICLE 3. 

SHARES SUBJECT TO THE PLAN 
 3.1 Number of Shares. 
 (a) Subject to Sections 3.1(b) and
13.2, the aggregate number of Shares that may be issued or transferred pursuant to Awards under the Plan is the sum of (i) 3,000,000,1 (ii) any Shares that as of the Effective Date are available for issuance under the Prior Plans, or are subject to
Prior Plan Awards that become available for future grants of Awards under the Plan following the Effective Date pursuant to Section 3.1(b); and (iii) an annual increase on the first day of each year beginning with the first January 1
following the Effective Date and ending with the last January 1 during the initial ten-year term of the Plan, equal to the least of (A) 2,000,0001 Shares, (B) four percent of the Shares outstanding (on an as-converted basis) on the last day of the immediately
preceding fiscal year, and (C) such smaller number of Shares as determined by the Board. The aggregate number of Shares authorized for issuance under the Prior Plans was 6,000,0001 Shares and, accordingly, the total number of Shares available for issuance under the Plan pursuant to clause
(ii) in the preceding sentence shall not exceed 6,000,0001 Shares. Notwithstanding anything in this Section 3.1 to the contrary, the number of shares of Stock that may be issued or transferred pursuant to Awards under the Plan shall not exceed an aggregate
of 29,000,0001 Shares, subject to adjustment pursuant to
Section 13.2. From and after the Effective Date, no awards shall be granted under the Prior Plans; however, any Prior Plan Award shall continue to be subject to the terms and conditions of the Prior Plans. 

(b) To the extent all or a portion of an Award or a Prior Plan Award is forfeited, expires or lapses for any reason, or
is settled for cash without the delivery of Shares to the Holder, any Shares subject to such Award, Prior Plan Award or portion thereof, to the extent of such forfeiture, termination, expiration, lapse or cash settlement, shall again be or shall
become, as applicable, available for the grant of an Award pursuant to the Plan. Any Shares tendered by a Holder or withheld by the Company or any Affiliate to satisfy the grant or exercise price or tax withholding obligation in connection with all
or a portion of an Award or Prior Plan Award shall again be or shall become, as applicable, available for the grant of an Award pursuant 
  

 

	
1 
	 Note that the share numbers reflected in this Plan give effect to the 1:2 reverse stock split that will be implemented in connection with the
initial public offering of the Company. 

 
to the Plan. Any Shares subject to a Stock Appreciation Right that are not issued in connection with the stock settlement of the Stock Appreciation Right on exercise thereof shall again be
available for the grant of an Award pursuant to the Plan. Any Shares repurchased by or surrendered to the Company pursuant to Section 7.4 or in connection with any Prior Plan Award so that such Shares are returned to the Company shall again be
or shall become, as applicable, available for the grant of an Award pursuant to the Plan. The payment of Dividend Equivalents in cash in conjunction with any outstanding Awards shall not be counted against the Shares available for issuance under the
Plan. Notwithstanding the provisions of this Section 3.1(b), no Shares may again be or, as applicable, may become eligible to be, optioned, granted or awarded if such action would cause an Incentive Stock Option to fail to qualify as an
incentive stock option under Section 422 of the Code. 
 (c) To the extent permitted by Applicable Law,
Substitute Awards shall not reduce the Shares authorized for grant under the Plan. Additionally, in the event that a company acquired by the Company or any Affiliate or with which the Company or any Affiliate combines has shares available under a
pre-existing plan approved by stockholders and not adopted in contemplation of such acquisition or combination, the shares available for grant pursuant to the terms of such pre-existing plan (as adjusted, to the extent appropriate, using the
exchange ratio or other adjustment or valuation ratio or formula used in such acquisition or combination to determine the consideration payable to the holders of common stock of the entities party to such acquisition or combination) may be used for
Awards under the Plan and shall not reduce the Shares authorized for grant under the Plan; provided that Awards using such available Shares shall not be made after the date awards or grants could have been made under the terms of the
pre-existing plan, absent the acquisition or combination, and shall only be made to individuals who were not employed by or providing services to the Company or its Affiliates immediately prior to such acquisition or combination. 

3.2 Stock Distributed. Any Shares distributed pursuant to an Award may consist, in whole or in part, of authorized
and unissued Common Stock, treasury Common Stock or Common Stock purchased on the open market. 
 3.3
Limitation on Number of Shares Subject to Awards. Notwithstanding any provision in the Plan to the contrary, and subject to Section 13.2, the maximum aggregate number of Shares with respect to one or more Awards that may be granted to
any one person during any calendar year shall be
2,000,0002 and the maximum aggregate amount of cash that
may be paid in cash to any one person during any calendar year with respect to one or more Awards payable in cash shall be $5,000,000; provided, however, that the foregoing limitations shall not apply prior to the Public Trading
Date and, following the Public Trading Date, the foregoing limitations shall not apply until the earliest of: (a) the first material modification of the Plan (including any increase in the number of Shares reserved for issuance under the Plan
in accordance with Section 3.1); (b) the issuance of all of the Shares reserved for issuance under the Plan; (c) the expiration of the Plan; (d) the first meeting of stockholders at which members of the Board are to be elected
that occurs after the close of the third calendar year following the calendar year in which occurred the first registration of an equity security of the Company under 
  

 

	
2 
	 Note that the share numbers reflected in this Plan give effect to the 1:2 reverse stock split that will be implemented in connection with the
initial public offering of the Company. 

 
Section 12 of the Exchange Act; or (e) such other date required by Section 162(m) of the Code and the rules and regulations promulgated thereunder. To the extent required by
Section 162(m) of the Code, Shares subject to Awards that are canceled shall continue to be counted against the Award Limit. 
 ARTICLE 4. 
 GRANTING OF AWARDs 

4.1 Participation. The Administrator may, from time to time, select from among all Eligible Individuals, those to
whom an Award shall be granted and shall determine the nature and amount of each Award, which shall not be inconsistent with the requirements of the Plan. Except as provided in Section 4.6 regarding the grant of Awards pursuant to the
Non-Employee Director Compensation Policy, no Eligible Individual shall have any right to be granted an Award pursuant to the Plan. 
 4.2 Award Agreement. Unless otherwise determined by the Administrator, each Award shall be evidenced by an Award Agreement that sets forth the terms, conditions and limitations for such Award,
which may include the term of the Award, the provisions applicable in the event of the Holder’s Termination of Service, and the Company’s authority to unilaterally or bilaterally amend, modify, suspend, cancel or rescind an Award. Award
Agreements evidencing Awards intended to qualify as Performance-Based Compensation shall contain such terms and conditions as may be necessary to meet the applicable provisions of Section 162(m) of the Code. Award Agreements evidencing
Incentive Stock Options shall contain such terms and conditions as may be necessary to meet the applicable provisions of Section 422 of the Code. 
 4.3 Limitations Applicable to Section 16 Persons. Notwithstanding any other provision of the Plan, the Plan, and any Award granted or awarded to any individual who is then subject to
Section 16 of the Exchange Act, shall be subject to any additional limitations set forth in any applicable exemptive rule under Section 16 of the Exchange Act (including Rule 16b-3 of the Exchange Act and any amendments thereto) that are
requirements for the application of such exemptive rule. To the extent permitted by Applicable Law, the Plan and Awards granted or awarded hereunder shall be deemed amended to the extent necessary to conform to such applicable exemptive rule.

 4.4 At-Will Employment; Voluntary Participation. Nothing in the Plan or in any Program or Award
Agreement hereunder shall confer upon any Holder any right to continue in the employ of, or as a Director or Consultant for, the Company or any Affiliate, or shall interfere with or restrict in any way the rights of the Company and any Affiliate,
which rights are hereby expressly reserved, to discharge any Holder at any time for any reason whatsoever, with or without cause, and with or without notice, or to terminate or change all other terms and conditions of employment or engagement,
except to the extent expressly provided otherwise in a written agreement between the Holder and the Company or any Affiliate. Participation by each Holder in the Plan shall be voluntary and nothing in the Plan shall be construed as mandating that
any Eligible Individual shall participate in the Plan. 

 4.5 Foreign Holders. Notwithstanding any provision of the Plan to the
contrary, in order to comply with the laws in countries other than the United States in which the Company and its Affiliates operate or have Employees, Non-Employee Directors or Consultants, or in order to comply with the requirements of any foreign
securities exchange, the Administrator, in its sole discretion, shall have the power and authority to: (a) determine which Affiliates shall be covered by the Plan; (b) determine which Eligible Individuals outside the United States are
eligible to participate in the Plan; (c) modify the terms and conditions of any Award granted to Eligible Individuals outside the United States to comply with applicable foreign laws or listing requirements of any such foreign securities
exchange; (d) establish subplans and modify exercise procedures and other terms and procedures, to the extent such actions may be necessary or advisable (any such subplans and/or modifications shall be attached to the Plan as appendices);
provided, however, that no such subplans and/or modifications shall increase the share limitations contained in Sections 3.1 and 3.3; and (e) take any action, before or after an Award is made, that it deems advisable to obtain
approval or comply with any necessary local governmental regulatory exemptions or approvals or listing requirements of any such foreign securities exchange. Notwithstanding the foregoing, the Administrator may not take any actions hereunder, and no
Awards shall be granted, that would violate Applicable Law. For purposes of the Plan, all references to foreign laws, rules, regulations or taxes shall be references to the laws, rules, regulations and taxes of any applicable jurisdiction other than
the United States or a political subdivision thereof. 
 4.6 Non-Employee Director Awards. The
Administrator, in its sole discretion, may provide that Awards granted to Non-Employee Directors shall be granted pursuant to a written nondiscretionary formula established by the Administrator (the “Non-Employee Director Compensation
Policy”), subject to the limitations of the Plan. The Non-Employee Director Compensation Policy shall set forth the type of Award(s) to be granted to Non-Employee Directors, the number of Shares to be subject to Non-Employee Director
Awards, the conditions on which such Awards shall be granted, become exercisable and/or payable and expire, and such other terms and conditions as the Administrator shall determine in its sole discretion. The Non-Employee Director Compensation
Policy may be modified by the Administrator from time to time in its sole discretion. 
 4.7 Stand-Alone and
Tandem Awards. Awards granted pursuant to the Plan may, in the sole discretion of the Administrator, be granted either alone, in addition to, or in tandem with, any other Award granted pursuant to the Plan. Awards granted in addition to or in
tandem with other Awards may be granted either at the same time as or at a different time from the grant of such other Awards. 

ARTICLE 5. 

PROVISIONS APPLICABLE TO AWARDS INTENDED TO QUALIFY AS 
 PERFORMANCE-BASED COMPENSATION 
 5.1 Purpose. The
Committee, in its sole discretion, may determine at the time an Award is granted or at any time thereafter whether such Award is intended to qualify as Performance-Based Compensation. If the Committee, in its sole discretion, decides to grant such

 
an Award to an Eligible Individual that is intended to qualify as Performance-Based Compensation, then the provisions of this Article 5 shall control over any contrary provision contained in the
Plan. The Administrator, in its sole discretion, may grant Awards to other Eligible Individuals that are based on Performance Criteria or Performance Goals but that do not satisfy the requirements of this Article 5 and that are not intended to
qualify as Performance-Based Compensation. Unless otherwise specified by the Administrator at the time of grant, the Performance Criteria with respect to an Award intended to be Performance-Based Compensation payable to a Covered Employee shall be
determined on the basis of Applicable Accounting Standards. 
 5.2 Applicability. The grant of an Award
to an Eligible Individual for a particular Performance Period shall not require the grant of an Award to such Eligible Individual in any subsequent Performance Period and the grant of an Award to any one Eligible Individual shall not require the
grant of an Award to any other Eligible Individual in such period or in any other period. 
 5.3 Types of
Awards. Notwithstanding anything in the Plan to the contrary, the Committee may grant any Award to an Eligible Individual intended to qualify as Performance-Based Compensation, including, without limitation, Restricted Stock the restrictions
with respect to which lapse upon the attainment of specified Performance Goals, Restricted Stock Units that vest and become payable upon the attainment of specified Performance Goals and any Performance Awards described in Article 9 that vest or
become exercisable or payable upon the attainment of one or more specified Performance Goals. 
 5.4
Procedures with Respect to Performance-Based Awards. To the extent necessary to comply with the requirements of Section 162(m)(4)(C) of the Code, with respect to any Award granted to one or more Eligible Individuals that is intended to
qualify as Performance-Based Compensation, no later than 90 days following the commencement of any Performance Period or any designated fiscal period or period of service (or such earlier time as may be required under Section 162(m) of the
Code), the Committee shall, in writing, (a) designate one or more Eligible Individuals, (b) select the Performance Criteria applicable to the Performance Period, (c) establish the Performance Goals, and amounts of such Awards, as
applicable, that may be earned for such Performance Period based on the Performance Criteria, and (d) specify the relationship between Performance Criteria and the Performance Goals and the amounts of such Awards, as applicable, to be earned by
each Covered Employee for such Performance Period. Following the completion of each Performance Period, the Committee shall certify in writing whether and the extent to which the applicable Performance Goals have been achieved for such Performance
Period. In determining the amount earned under such Awards, the Committee shall have the right to reduce or eliminate (but not to increase) the amount payable at a given level of performance to take into account additional factors that the Committee
may deem relevant, including the assessment of individual or corporate performance for the Performance Period. 

5.5 Payment of Performance-Based Awards. Unless otherwise provided in the applicable Program or Award Agreement
and only to the extent otherwise permitted by Section 162(m)(4)(C) of the Code, as to an Award that is intended to qualify as Performance-Based 

 
Compensation, the Holder must be employed by the Company or an Affiliate throughout the Performance Period. Unless otherwise provided in the applicable Performance Goals, Program or Award
Agreement, a Holder shall be eligible to receive payment pursuant to such Awards for a Performance Period only if and to the extent the Performance Goals for such period are achieved. 

5.6 Additional Limitations. Notwithstanding any other provision of the Plan and except as otherwise determined by
the Administrator, any Award that is granted to an Eligible Individual and is intended to qualify as Performance-Based Compensation shall be subject to any additional limitations set forth in Section 162(m) of the Code or any regulations or
rulings issued thereunder that are requirements for qualification as Performance-Based Compensation, and the Plan and the applicable Program and Award Agreement shall be deemed amended to the extent necessary to conform to such requirements.

 ARTICLE 6. 
 OPTIONS 
 6.1 Granting of Options to Eligible
Individuals. The Administrator is authorized to grant Options to Eligible Individuals from time to time, in its sole discretion, on such terms and conditions as it may determine, which shall not be inconsistent with the Plan. 

6.2 Option Exercise Price. The exercise price per Share subject to each Option shall be set by the Administrator,
but shall not be less than 100% of the Fair Market Value of a Share on the date the Option is granted (or, as to Incentive Stock Options, on the date the Option is modified, extended or renewed for purposes of Section 424(h) of the Code). In
addition, in the case of Incentive Stock Options granted to a Greater Than 10% Stockholder, such price shall not be less than 110% of the Fair Market Value of a Share on the date the Option is granted (or the date the Option is modified, extended or
renewed for purposes of Section 424(h) of the Code). 
 6.3 Option Vesting. 

(a) The period during which the right to exercise, in whole or in part, an Option vests in the Holder shall be set by the
Administrator and the Administrator may determine that an Option may not be exercised in whole or in part for a specified period after it is granted; provided, however, that unless otherwise approved by the Administrator and set forth in an Award
Agreement, no Option shall vest prior to the date that is six months from the date of grant. Such vesting may be based on service with the Company or any Affiliate, any of the Performance Criteria, or any other criteria selected by the
Administrator. 
 (b) No portion of an Option that is unexercisable at a Holder’s Termination of Service
shall thereafter become exercisable, except as provided in Section 11.6 or as may be otherwise provided by the Administrator either in the applicable Program, the Award Agreement evidencing the grant of an Option, or by action of the
Administrator following the grant of the Option. Unless otherwise determined by the Administrator in the Award Agreement or by action of the Administrator following the grant of the Option, the portion of an Option that is unexercisable at a
Holder’s Termination of Service shall automatically expire 30 days following such Termination of Service. 

 6.4 Manner of Exercise. All or a portion of an exercisable Option
shall be deemed exercised upon delivery of all of the following to the Secretary of the Company, the stock administrator of the Company or such other person or entity designated by the Administrator, or his, her or its office, as applicable:

 (a) A written or electronic notice complying with the applicable rules established by the Administrator
stating that the Option, or a portion thereof, is exercised. The notice shall be signed by the Holder or other person then entitled to exercise the Option or such portion of the Option; 

(b) Such representations and documents as the Administrator, in its sole discretion, deems necessary or advisable to
effect compliance with Applicable Law. The Administrator, in its sole discretion, may also take whatever additional actions it deems appropriate to effect such compliance including, without limitation, placing legends on share certificates and
issuing stop-transfer notices to agents and registrars; 
 (c) In the event that the Option shall be exercised
pursuant to Section 11.3 by any person or persons other than the Holder, appropriate proof of the right of such person or persons to exercise the Option, as determined in the sole discretion of the Administrator; and 

(d) Full payment of the exercise price and applicable withholding taxes to the stock administrator of the Company for
the Shares with respect to which the Option, or portion thereof, is exercised, in a manner permitted by Section 11.1 and 11.2. 
 6.5 Partial Exercise. An exercisable Option may be exercised in whole or in part. However, an Option shall not be exercisable with respect to fractional Shares and the Administrator may require
that, by the terms of the Option, a partial exercise must be with respect to a minimum number of Shares. 
 6.6
Option Term. The term of each Option (the “Option Term”) shall be set by the Administrator in its sole discretion; provided, however, that the Option Term shall not be more than ten years from the date
the Option is granted, or five years from the date an Incentive Stock Option is granted to a Greater Than 10% Stockholder. The Administrator shall determine the time period, including the time period following a Termination of Service, during which
the Holder has the right to exercise the vested Options, which time period may not extend beyond the last day of the Option Term. Except as limited by the requirements of Section 409A or Section 422 of the Code and regulations and rulings
thereunder or the first sentence of this Section 6.6, the Administrator may extend the Option Term of any outstanding Option, and may extend the time period during which vested Options may be exercised, in connection with any Termination of
Service of the Holder, and may amend, subject to Section 13.1, any other term or condition of such Option relating to such a Termination of Service. 
 6.7 Expiration of Option Term: Automatic Exercise of In-The-Money Options. In the discretion of the Administrator, an Award Agreement may provide that an Option that is outstanding on the last
business day of the applicable Option Term and that has an exercise price per share that is less than the Fair Market Value per share of Common Stock as of such date shall automatically and without further action by the Holder of such Option or the
Company be 

 
exercised on the last business day of the Option Term. Unless otherwise determined by the Administrator, payment of the exercise price and any required tax withholding upon exercise of any such
Option shall be satisfied by the withholding by the Company of Shares otherwise issuable under such Option pursuant to Sections 11.1(b) and 11.2. In such event, the Company shall deliver to the Holder the number of Shares for which the Option was
deemed exercised, less the number of Shares required to be withheld for the payment of the exercise price and required tax withholding. For the avoidance of doubt, no Option with an exercise price per share that is equal to or greater than the Fair
Market Value per share of Common Stock on the last business day of the Option Term shall be exercised pursuant to this Section 6.7. 
 6.8 Qualification of Incentive Stock Options. No Incentive Stock Option shall be granted to any person who is not an Employee of the Company or any subsidiary corporation (as defined in
Section 424(f) of the Code) of the Company. No person who qualifies as a Greater Than 10% Stockholder may be granted an Incentive Stock Option unless such Incentive Stock Option conforms to the applicable provisions of Section 422 of the
Code. Any Incentive Stock Option granted under the Plan may be modified by the Administrator, with the consent of the Holder, to disqualify such Option from treatment as an “incentive stock option” under Section 422 of the Code. To
the extent that the aggregate Fair Market Value of stock with respect to which “incentive stock options” (within the meaning of Section 422 of the Code, but without regard to Section 422(d) of the Code) are exercisable for the
first time by a Holder during any calendar year under the Plan, and all other plans of the Company and any parent or subsidiary corporation thereof (each as defined in Section 424(e) and 424(f) of the Code, respectively), exceeds $100,000, the
Options shall be treated as Non-Qualified Stock Options to the extent required by Section 422 of the Code. The rule set forth in the immediately preceding sentence shall be applied by taking Options and other “incentive stock options”
into account in the order in which they were granted and the Fair Market Value of stock shall be determined as of the time the respective options were granted. 
 6.9 Notification Regarding Disposition. The Holder shall give the Company prompt written or electronic notice of any disposition of Shares acquired by exercise of an Incentive Stock Option that
occurs within (a) two years from the date of granting (including the date the Option is modified, extended or renewed for purposes of Section 424(h) of the Code) such Option to such Holder, or (b) one year after the transfer of such
Shares to such Holder. 
 6.10 Substitute Awards. Notwithstanding the foregoing provisions of this
Article 6 to the contrary, in the case of an Option that is a Substitute Award, the price per share of the Shares subject to such Option may be less than the Fair Market Value per share on the date of grant; provided that the excess of:
(a) the aggregate Fair Market Value (as of the date such Substitute Award is granted) of the Shares subject to the Substitute Award, over (b) the aggregate exercise price thereof does not exceed the excess of: (x) the aggregate fair
market value (as of the time immediately preceding the transaction giving rise to the Substitute Award, such fair market value to be determined by the Administrator) of the shares of the predecessor entity that were subject to the grant assumed or
substituted for by the Company, over (y) the aggregate exercise price of such shares. 

 6.11 Substitution of Stock Appreciation Rights. The Administrator may
provide in the applicable Program or the Award Agreement evidencing the grant of an Option that the Administrator, in its sole discretion, shall have the right to substitute a Stock Appreciation Right for such Option at any time prior to or upon
exercise of such Option; provided that such Stock Appreciation Right shall be exercisable with respect to the same number of Shares for which such substituted Option would have been exercisable, and shall also have the same exercise price,
vesting schedule and remaining Option Term as the substituted Option. 
 ARTICLE 7. 

RESTRICTED STOCK 
 7.1 Award of Restricted Stock. 
 (a) The Administrator is
authorized to grant Restricted Stock to Eligible Individuals, and shall determine the terms and conditions, including the restrictions applicable to each award of Restricted Stock, which terms and conditions shall not be inconsistent with the Plan,
and may impose such conditions on the issuance of such Restricted Stock as it deems appropriate. 
 (b) The
Administrator shall establish the purchase price, if any, and form of payment for Restricted Stock; provided, however, that if a purchase price is charged, such purchase price shall be no less than the par value, if any, of the Shares
to be purchased, unless otherwise permitted by Applicable Law. In all cases, legal consideration shall be required for each issuance of Restricted Stock. 
 7.2 Rights as Stockholders. Subject to Section 7.4, upon issuance of Restricted Stock, the Holder shall have, unless otherwise provided by the Administrator, all the rights of a stockholder
with respect to said Shares, subject to the restrictions in the applicable Program or in each individual Award Agreement, including the right to vote and the right to receive all dividends and other distributions paid or made with respect to the
Shares; provided, however, that, in the sole discretion of the Administrator, any extraordinary distributions with respect to the Shares shall be subject to the restrictions set forth in Section 7.3. 

7.3 Restrictions. All shares of Restricted Stock (including any shares received by Holders thereof with respect to
shares of Restricted Stock as a result of stock dividends, stock splits or any other form of recapitalization) shall, in the terms of the applicable Program or in each individual Award Agreement, be subject to such restrictions and vesting
requirements as the Administrator shall provide; provided, however, that unless otherwise approved by the Administrator and set forth in the applicable Program or an Award Agreement, no Award of Restricted Stock shall vest or be
released from such restrictions and vesting requirements prior to the date that is six months from the date of grant. Such restrictions may include, without limitation, restrictions concerning voting rights and transferability and such restrictions
may lapse separately or in combination at such times and pursuant to such circumstances or based on such criteria as selected by the Administrator, including, without limitation, criteria based on the Holder’s duration of employment,
directorship or consultancy with the Company, the 

 
Performance Criteria, Company performance, individual performance or other criteria selected by the Administrator. By action taken after the Restricted Stock is issued, the Administrator may, on
such terms and conditions as it may determine to be appropriate, accelerate the vesting of such Restricted Stock by removing any or all of the restrictions imposed by the terms of the applicable Program or Award Agreement. Unless determined
otherwise by the Administrator, Restricted Stock may not be sold or encumbered until all restrictions are terminated or expire. 
 7.4 Repurchase or Forfeiture of Restricted Stock. Except as otherwise determined by the Administrator at the time of the grant of the Award or thereafter, if no price was paid by the Holder for the
Restricted Stock, upon a Termination of Service during the applicable restriction period, the Holder’s rights in unvested Restricted Stock then subject to restrictions shall lapse, and such Restricted Stock shall be surrendered to the Company
and cancelled without consideration. If a price was paid by the Holder for the Restricted Stock, upon a Termination of Service during the applicable restriction period, the Company shall have the right to repurchase from the Holder the unvested
Restricted Stock then subject to restrictions at a cash price per share equal to the price paid by the Holder for such Restricted Stock or such other amount as may be specified in the applicable Program or Award Agreement. 

7.5 Certificates for Restricted Stock. Restricted Stock granted pursuant to the Plan may be evidenced in such
manner as the Administrator shall determine. Certificates or book entries evidencing shares of Restricted Stock shall include an appropriate legend referring to the terms, conditions, and restrictions applicable to such Restricted Stock. The
Company, in its sole discretion, may (a) retain physical possession of any stock certificate evidencing shares of Restricted Stock until the restrictions thereon shall have lapsed and/or (b) require that the stock certificates evidencing
shares of Restricted Stock be held in custody by a designated escrow agent (which may but need not be the Company) until the restrictions thereon shall have lapsed, and that the Holder deliver a stock power, endorsed in blank, relating to such
Restricted Stock. 
 7.6 Section 83(b) Election. If a Holder makes an election under
Section 83(b) of the Code to be taxed with respect to the Restricted Stock as of the date of transfer of the Restricted Stock rather than as of the date or dates upon which the Holder would otherwise be taxable under Section 83(a) of the
Code, the Holder shall be required to deliver a copy of such election to the Company promptly after filing such election with the Internal Revenue Service along with proof of the timely filing thereof with the Internal Revenue Service. 

ARTICLE 8. 

RESTRICTED STOCK UNITS 
 8.1 Grant of Restricted Stock Units. The Administrator is authorized to grant Awards of Restricted Stock Units to any Eligible Individual selected by the Administrator in such amounts and subject
to such terms and conditions as determined by the Administrator. 
 8.2 Term. Except as otherwise
provided herein, the term of a Restricted Stock Unit award shall be set by the Administrator in its sole discretion. 

 8.3 Purchase Price. The Administrator shall specify the purchase
price, if any, to be paid by the Holder to the Company with respect to any Restricted Stock Unit award; provided, however, that value of the consideration shall not be less than the par value of a Share, unless otherwise permitted by
Applicable Law. 
 8.4 Vesting of Restricted Stock Units. At the time of grant, the Administrator shall
specify the date or dates on which the Restricted Stock Units shall become fully vested and nonforfeitable, and may specify such conditions to vesting as it deems appropriate, including, without limitation, vesting based upon the Holder’s
duration of service to the Company or any Affiliate, one or more Performance Criteria, Company performance, individual performance or other specific criteria, in each case on a specified date or dates or over any period or periods, as determined by
the Administrator; provided, however, that unless otherwise approved by the Administrator and set forth in the applicable Program or an Award Agreement, no Award of Restricted Stock shall vest or be released from such restrictions and
vesting requirements prior to the date that is six months from the date of grant. 
 8.5 Maturity and
Payment. At the time of grant, the Administrator shall specify the maturity date applicable to each grant of Restricted Stock Units which shall be no earlier than the vesting date or dates of the Award and may be determined at the election of
the Holder (if permitted by the applicable Award Agreement); provided that, except as otherwise determined by the Administrator and set forth in any applicable Award Agreement, in no event shall the maturity date relating to each Restricted
Stock Unit occur following the later of (a) the 15th
day of the third month following the end of calendar year in which the applicable portion of the Restricted Stock Unit vests; or (b) the 15th day of the third month following the end of the Company’s fiscal year in which the applicable portion of the
Restricted Stock Unit vests. On the maturity date, the Company shall, subject to Section 11.4(e), transfer to the Holder one unrestricted, fully transferable Share for each Restricted Stock Unit scheduled to be paid out on such date and not
previously forfeited, or in the sole discretion of the Administrator, an amount in cash equal to the Fair Market Value of such Shares on the maturity date or a combination of cash and Common Stock as determined by the Administrator. 

8.6 No Rights as a Stockholder. Unless otherwise determined by the Administrator, a Holder of Restricted Stock
Units shall possess no incidents of ownership with respect to the Shares represented by such Restricted Stock Units, unless and until such Shares are transferred to the Holder pursuant to the terms of this Plan and the Award Agreement. 

ARTICLE 9. 

PERFORMANCE AWARDS, DIVIDEND EQUIVALENTS, STOCK PAYMENTS 

9.1 Performance Awards. 
 (a) The Administrator is authorized to grant Performance Awards, including Awards of Performance Stock Units and Awards of cash bonuses or other cash awards determined in the Administrator’s
discretion from time to time, to any Eligible Individual and to determine whether such Performance Awards shall be Performance-Based Compensation. The value of Performance Awards, including Performance Stock Units and any cash awards, may be

 
linked to any one or more of the Performance Criteria or other specific criteria determined by the Administrator, in each case on a specified date or dates or over any period or periods and in
such amounts as may be determined by the Administrator. Performance Awards, including Performance Stock Unit awards may be paid in cash, Shares, or a combination of cash and Shares, as determined by the Administrator. 

(b) Without limiting Section 9.1(a), the Administrator may grant Performance Awards to any Eligible Individual in
the form of a cash bonus payable upon the attainment of objective Performance Goals, or such other criteria, whether or not objective, that are established by the Administrator, in each case on a specified date or dates or over any period or periods
determined by the Administrator. Any such bonuses paid to a Holder that are intended to be Performance-Based Compensation shall be based upon objectively determinable bonus formulas established in accordance with the provisions of Article 5.

 9.2 Dividend Equivalents. 

(a) Dividend Equivalents may be granted by the Administrator based on dividends declared on the Common Stock, to be
credited as of dividend payment dates during the period between the date an Award is granted to a Holder and the date such Award vests, is exercised, is distributed or expires, as determined by the Administrator. Such Dividend Equivalents shall be
converted to cash or additional Shares by such formula and at such time and subject to such restrictions and limitations as may be determined by the Administrator. In addition, Dividend Equivalents with respect to an Award with performance-based
vesting that are based on dividends paid prior to the vesting of such Award shall only be paid out to the Holder to the extent that the performance-based vesting conditions are subsequently satisfied and the Award vests. 

(b) Notwithstanding the foregoing, no Dividend Equivalents shall be payable with respect to Options or Stock
Appreciation Rights. 
 9.3 Stock Payments. The Administrator is authorized to make Stock Payments to any
Eligible Individual. Stock Payments may, but are not required to, be made in lieu of base salary, bonus, fees or other cash compensation otherwise payable to such Eligible Individual. The number or value of Shares of any Stock Payment shall be
determined by the Administrator and may be based upon one or more Performance Criteria or any other specific criteria, including service to the Company or any Affiliate, determined by the Administrator. Shares underlying a Stock Payment that is
subject to a vesting schedule or other conditions or criteria set by the Administrator that is subject to a vesting schedule or other conditions or criteria set by the Administrator shall not be issued until those conditions have been satisfied.
Unless otherwise provided by the Administrator, a Holder of a Stock Payment shall have no rights as a Company stockholder with respect to such Stock Payment until such time as the Stock Payment has vested and the Shares underlying the Award have
been issued to the Holder. 
 9.4 Term. The term of a Performance Award, Dividend Equivalent award and/or
Stock Payment award shall be established by the Administrator in its sole discretion. 

 9.5 Purchase Price. The Administrator may establish the purchase
price of a Performance Award or Shares distributed as a Stock Payment award; provided, however, that value of the consideration shall not be less than the par value of a Share, unless otherwise permitted by Applicable Law. 

 ARTICLE 10. 
 STOCK APPRECIATION RIGHTS 
 10.1 Grant of Stock
Appreciation Rights. 
 (a) The Administrator is authorized to grant Stock Appreciation Rights to Eligible
Individuals from time to time, in its sole discretion, on such terms and conditions as it may determine, which shall not be inconsistent with the Plan. 
 (b) A Stock Appreciation Right shall entitle the Holder (or other person entitled to exercise the Stock Appreciation Right pursuant to the Plan) to exercise all or a specified portion of the Stock
Appreciation Right (to the extent then exercisable pursuant to its terms) and to receive from the Company an amount determined by multiplying the difference obtained by subtracting the exercise price per share of the Stock Appreciation Right from
the Fair Market Value on the date of exercise of the Stock Appreciation Right by the number of Shares with respect to which the Stock Appreciation Right shall have been exercised, subject to any limitations the Administrator may impose. Except as
described in (c) below, the exercise price per Share subject to each Stock Appreciation Right shall be set by the Administrator, but shall not be less than 100% of the Fair Market Value on the date the Stock Appreciation Right is granted.

 (c) Notwithstanding the foregoing provisions of Section 10.1(b) to the contrary, in the case of a Stock
Appreciation Right that is a Substitute Award, the price per share of the Shares subject to such Stock Appreciation Right may be less than 100% of the Fair Market Value per share on the date of grant; provided that the excess of: (i) the
aggregate Fair Market Value (as of the date such Substitute Award is granted) of the Shares subject to the Substitute Award, over (ii) the aggregate exercise price thereof does not exceed the excess of: (x) the aggregate fair market value
(as of the time immediately preceding the transaction giving rise to the Substitute Award, such fair market value to be determined by the Administrator) of the shares of the predecessor entity that were subject to the grant assumed or substituted
for by the Company, over (y) the aggregate exercise price of such shares. 
 10.2 Stock Appreciation
Right Vesting. 
 (a) The period during which the right to exercise, in whole or in part, a Stock
Appreciation Right vests in the Holder shall be set by the Administrator and the Administrator may determine that a Stock Appreciation Right may not be exercised in whole or in part for a specified period after it is granted; provided,
however, that unless otherwise approved by the Administrator and set forth in an Award Agreement, no Stock Appreciation Right shall vest prior to the date that is six months from the date of grant. Such vesting may be based on service with
the Company or any Affiliate, or any other criteria selected by the Administrator, such as Performance Criteria. Except as limited by the Plan, at any time after grant of a Stock Appreciation Right, the Administrator, in its sole discretion and
subject to whatever terms and conditions it selects, may accelerate the period during which a Stock Appreciation Right vests. 

 (b) No portion of a Stock Appreciation Right that is unexercisable at a
Holder’s Termination of Service shall thereafter become exercisable, except as provided in Section 11.6 or as may be otherwise provided by the Administrator in the applicable Program, the Award Agreement evidencing the grant of a Stock
Appreciation Right, or by action of the Administrator following the grant of the Stock Appreciation Right. 

10.3 Manner of Exercise. All or a portion of an exercisable Stock Appreciation Right shall be deemed exercised
upon delivery of all of the following to the Secretary of the Company, the stock administrator of the Company or such other person or entity designated by the Administrator, or his, her or its office, as applicable: 

(a) A written or electronic notice complying with the applicable rules established by the Administrator stating that the
Stock Appreciation Right, or a portion thereof, is exercised. The notice shall be signed by the Holder or other person then entitled to exercise the Stock Appreciation Right or such portion of the Stock Appreciation Right; 

(b) Such representations and documents as the Administrator, in its sole discretion, deems necessary or advisable to
effect compliance with Applicable Law. The Administrator, in its sole discretion, may also take whatever additional actions it deems appropriate to effect such compliance, including, without limitation, placing legends on share certificates and
issuing stop-transfer notices to agents and registrars; 
 (c) In the event that the Stock Appreciation Right
shall be exercised pursuant to this Section 10.3 by any person or persons other than the Holder, appropriate proof of the right of such person or persons to exercise the Stock Appreciation Right, as determined in the sole discretion of the
Administrator; and 
 (d) Full payment of the exercise price and applicable withholding taxes to the stock
administrator of the Company for the Shares with respect to which the Stock Appreciation Right, or portion thereof, is exercised, in a manner permitted by Sections 11.1 and 11.2. 

10.4 Stock Appreciation Right Term. The term of each Stock Appreciation Right (the “Stock Appreciation
Right Term”) shall be set by the Administrator in its sole discretion; provided, however, that the Stock Appreciation Right Term shall not be more than ten years from the date the Stock Appreciation Right is granted. The
Administrator shall determine the time period, including the time period following a Termination of Service, during which the Holder has the right to exercise the vested Stock Appreciation Rights, which time period may not extend beyond the last day
of the Stock Appreciation Right Term applicable to such Stock Appreciation Right. Except as limited by the requirements of Section 409A of the Code and regulations and rulings thereunder or the first sentence of this Section 10.4, the
Administrator may extend the Stock Appreciation Right Term of any outstanding Stock Appreciation Right, and may extend the time period during which vested Stock Appreciation Rights may be exercised, in connection with any Termination of Service of
the Holder, and may amend, subject to Section 13.1, any other term or condition of such Stock Appreciation Right relating to such a Termination of Service. 

 10.5 Payment. Payment of the amounts payable with respect to Stock
Appreciation Rights pursuant to this Article 10 shall be in cash, Shares (based on its Fair Market Value as of the date the Stock Appreciation Right is exercised), or a combination of both, as determined by the Administrator. 

10.6 Expiration of Stock Appreciation Right Term: Automatic Exercise of In-The-Money Stock Appreciation Rights. In
the discretion of the Administrator, an Award Agreement may provide that a Stock Appreciation Right that is outstanding on the last business day of the applicable Stock Appreciation Right and that has an exercise price per share that is less than
the Fair Market Value per share of Common Stock as of such date shall automatically and without further action by the Holder of such Stock Appreciation Right or the Company be exercised on the last business day of the Stock Appreciation Right Term.
Unless otherwise determined by the Administrator, the Company or any Affiliate shall deduct or withhold an amount sufficient to satisfy all taxes associated with such exercise in accordance with Section 11.2. For the avoidance of doubt, no
Stock Appreciation Right with an exercise price per share that is equal to or greater than the Fair Market Value per share of Common Stock on the last business day of the Stock Appreciation Right Term shall be exercised pursuant to this
Section 10.6. 
 ARTICLE 11. 
 ADDITIONAL TERMS OF AWARDS 
 11.1 Payment. The
Administrator shall determine the methods by which payments by any Holder with respect to any Awards granted under the Plan shall be made, including, without limitation: (a) cash or check, (b) Shares (including, in the case of payment of
the exercise price of an Award, Shares issuable pursuant to the exercise of the Award) or Shares held for such period of time as may be required by the Administrator in order to avoid adverse accounting consequences, in each case, having a Fair
Market Value on the date of delivery equal to the aggregate payments required, (c) delivery of a written or electronic notice that the Holder has placed a market sell order with a broker acceptable to the Company with respect to Shares then
issuable upon exercise or vesting of an Award, and that the broker has been directed to pay a sufficient portion of the net proceeds of the sale to the Company in satisfaction of the aggregate payments required; provided that payment of such
proceeds is then made to the Company upon settlement of such sale, or (d) other form of legal consideration acceptable to the Administrator in its sole discretion. The Administrator shall also determine the methods by which Shares shall be
delivered or deemed to be delivered to Holders. Notwithstanding any other provision of the Plan to the contrary, no Holder who is a Director or an “executive officer” of the Company within the meaning of Section 13(k) of the Exchange
Act shall be permitted to make payment with respect to any Awards granted under the Plan, or continue any extension of credit with respect to such payment, with a loan from the Company or a loan arranged by the Company in violation of
Section 13(k) of the Exchange Act. 
 11.2 Tax Withholding. The Company or any Affiliate shall have
the authority and the right to deduct or withhold, or require a Holder to remit to the Company, an amount sufficient to satisfy federal, state, local and foreign taxes (including the Holder’s FICA, employment tax or other social security
contribution obligation) required by law to be withheld with respect to any 

 
taxable event concerning a Holder arising as a result of the Plan. The Administrator shall determine the methods by which payments by any Holder with respect to the tax withholding obligations
with respect to any Awards granted under the Plan shall be made, which methods may include any of the methods permitted under Section 11.1 above. Without limiting the foregoing, the Administrator, in its sole discretion and in satisfaction of
the foregoing requirement, may withhold, or allow a Holder to elect to have the Company withhold, Shares otherwise issuable under an Award (or allow the surrender of Shares). The number of Shares that may be so withheld or surrendered shall be
limited to the number of Shares that have a fair market value on the date of withholding or repurchase equal to the aggregate amount of such liabilities based on the minimum statutory withholding rates for federal, state, local and foreign income
tax and payroll tax purposes that are applicable to such supplemental taxable income. The Administrator shall determine the fair market value of the Shares, consistent with applicable provisions of the Code, for tax withholding obligations due in
connection with a broker-assisted cashless Option or Stock Appreciation Right exercise involving the sale of Shares to pay the Option or Stock Appreciation Right exercise price or any tax withholding obligation. 

11.3 Transferability of Awards. 

(a) Except as otherwise provided in Section 11.3(b) and 11.3(c): 

(i) No Award under the Plan may be sold, pledged, assigned or transferred in any manner other than by will or the laws
of descent and distribution or, subject to the consent of the Administrator, pursuant to a DRO, unless and until such Award has been exercised, or the Shares underlying such Award have been issued, and all restrictions applicable to such Shares have
lapsed; 
 (ii) No Award or interest or right therein shall be liable for the debts, contracts or engagements
of the Holder or his successors in interest or shall be subject to disposition by transfer, alienation, anticipation, pledge, hypothecation, encumbrance, assignment or any other means whether such disposition be voluntary or involuntary or by
operation of law by judgment, levy, attachment, garnishment or any other legal or equitable proceedings (including bankruptcy), and any attempted disposition thereof shall be null and void and of no effect, except to the extent that such disposition
is permitted by Section 11.3(a)(i); and 
 (iii) During the lifetime of the Holder, only the Holder may
exercise an Award (or any portion thereof) granted to such Holder under the Plan, unless it has been disposed of pursuant to a DRO; after the death of the Holder, any exercisable portion of an Award may, prior to the time when such portion becomes
unexercisable under the Plan or the applicable Program or Award Agreement, be exercised by the Holder’s personal representative or by any person empowered to do so under the deceased Holder’s will or under the then-applicable laws of
descent and distribution. 
 (b) Notwithstanding Section 11.3(a), the Administrator, in its sole
discretion, may determine to permit a Holder to transfer an Award other than an Incentive Stock Option to any one or more Permitted Transferees, subject to the following terms and conditions: (i) an Award transferred to a Permitted Transferee
shall not be assignable or transferable by the 

 
Permitted Transferee other than by will or the laws of descent and distribution or pursuant to a DRO; (ii) an Award transferred to a Permitted Transferee shall continue to be subject to all
the terms and conditions of the Award as applicable to the original Holder (other than the ability to further transfer the Award); (iii) any transfer of an Award to a Permitted Transferee shall be without consideration, except as required by
Applicable Law; and (iv) the Holder and the Permitted Transferee shall execute any and all documents requested by the Administrator, including, without limitation documents to (A) confirm the status of the transferee as a Permitted
Transferee, (B) satisfy any requirements for an exemption for the transfer under Applicable Law and (C) evidence the transfer. 
 (c) Notwithstanding Section 11.3(a), a Holder may, in the manner determined by the Administrator, designate a beneficiary to exercise the rights of the Holder and to receive any distribution with
respect to any Award upon the Holder’s death. A beneficiary, legal guardian, legal representative, or other person claiming any rights pursuant to the Plan is subject to all terms and conditions of the Plan and any Program or Award Agreement
applicable to the Holder, except to the extent the Plan, the Program and the Award Agreement otherwise provide, and to any additional restrictions deemed necessary or appropriate by the Administrator. If the Holder is married or a domestic partner
in a domestic partnership qualified under Applicable Law and resides in a community property state, a designation of a person other than the Holder’s spouse or domestic partner, as applicable, as the Holder’s beneficiary with respect to
more than 50% of the Holder’s interest in the Award shall not be effective without the prior written or electronic consent of the Holder’s spouse or domestic partner. If no beneficiary has been designated or survives the Holder, payment
shall be made to the person entitled thereto pursuant to the Holder’s will or the laws of descent and distribution. Subject to the foregoing, a beneficiary designation may be changed or revoked by a Holder at any time; provided that the
change or revocation is filed with the Administrator prior to the Holder’s death. 
 11.4 Conditions to
Issuance of Shares. 
 (a) Notwithstanding anything herein to the contrary, the Company shall not be
required to issue or deliver any certificates or make any book entries evidencing Shares pursuant to the exercise of any Award, unless and until the Board or the Committee has determined, with advice of counsel, that the issuance of such Shares is
in compliance with Applicable Law and the Shares are covered by an effective registration statement or applicable exemption from registration. In addition to the terms and conditions provided herein, the Board or the Committee may require that a
Holder make such reasonable covenants, agreements, and representations as the Board or the Committee, in its sole discretion, deems advisable in order to comply with Applicable Law. 

(b) All share certificates delivered pursuant to the Plan and all Shares issued pursuant to book entry procedures are
subject to any stop-transfer orders and other restrictions as the Administrator deems necessary or advisable to comply with Applicable Law. The Administrator may place legends on any share certificate or book entry to reference restrictions
applicable to the Shares. 

 (c) The Administrator shall have the right to require any Holder to comply
with any timing or other restrictions with respect to the settlement, distribution or exercise of any Award, including a window-period limitation, as may be imposed in the sole discretion of the Administrator. 

(d) No fractional Shares shall be issued and the Administrator, in its sole discretion, shall determine whether cash
shall be given in lieu of fractional Shares or whether such fractional Shares shall be eliminated by rounding down. 
 (e) Notwithstanding any other provision of the Plan, unless otherwise determined by the Administrator or required by Applicable Law, the Company shall not deliver to any Holder certificates evidencing
Shares issued in connection with any Award and instead such Shares shall be recorded in the books of the Company (or, as applicable, its transfer agent or stock plan administrator). 

11.5 Forfeiture and Claw-Back Provisions. Pursuant to its general authority to determine the terms and conditions
applicable to Awards under the Plan, the Administrator shall have the right to provide, in an Award Agreement or otherwise, or to require a Holder to agree by separate written or electronic instrument, that: 

(a) (i) Any proceeds, gains or other economic benefit actually or constructively received by the Holder upon any receipt
or exercise of the Award, or upon the receipt or resale of any Shares underlying the Award, shall be paid to the Company, and (ii) the Award shall terminate and any unexercised portion of the Award (whether or not vested) shall be forfeited, if
(x) a Termination of Service occurs prior to a specified date, or within a specified time period following receipt or exercise of the Award, or (y) the Holder at any time, or during a specified time period, engages in any activity in
competition with the Company, or that is inimical, contrary or harmful to the interests of the Company, as further defined by the Administrator or (z) the Holder incurs a Termination of Service for Cause; and 

(b) All Awards (including any proceeds, gains or other economic benefit actually or constructively received by the
Holder upon any receipt or exercise of any Award or upon the receipt or resale of any Shares underlying the Award) shall be subject to the provisions of any claw-back policy implemented by the Company, including, without limitation, any claw-back
policy adopted to comply with the requirements of Applicable Law, including without limitation the Dodd-Frank Wall Street Reform and Consumer Protection Act and any rules or regulations promulgated thereunder, to the extent set forth in such
claw-back policy and/or in the applicable Award Agreement. 
 11.6 Acceleration Upon Death or Disability.
Notwithstanding anything to the contrary in the Plan or the applicable Program or Award Agreement, with respect to Holders who are Emplolyees, in the event of a Holder’s Termination of Service on account of death or Disability, that number of
Holder’s unvested Awards that would have become fully vested, exercisable and/or payable, as applicable, over the 12 months following the Holder’s Termination of Service under the vesting schedules applicable to such Awards had the Holder
remained continuously 

 
employed by the Company during such period shall immediately become so vested, exercisable and/or payable, as applicable, on the date of the Holder’s Termination of Service. 

ARTICLE 12. 
 ADMINISTRATION 
 12.1 Administrator. The Committee
(or another committee or a subcommittee of the Board assuming the functions of the Committee under the Plan) shall administer the Plan (except as otherwise permitted herein) and, unless otherwise determined by the Board, shall consist solely of two
or more Non-Employee Directors appointed by and holding office at the pleasure of the Board, each of whom is intended to qualify as both a “non-employee director” as defined by Rule 16b-3 of the Exchange Act or any successor rule, an
“outside director” for purposes of Section 162(m) of the Code and an “independent director” under the rules of any securities exchange or automated quotation system on which the Shares are listed, quoted or traded;
provided that any action taken by the Committee shall be valid and effective, whether or not members of the Committee at the time of such action are later determined not to have satisfied the requirements for membership set forth in this
Section 12.l or otherwise provided in any charter of the Committee. Except as may otherwise be provided in any charter of the Committee, appointment of Committee members shall be effective upon acceptance of appointment. Committee members may
resign at any time by delivering written or electronic notice to the Board. Vacancies in the Committee may only be filled by the Board. Notwithstanding the foregoing, (a) the full Board, acting by a majority of its members in office, shall
conduct the general administration of the Plan with respect to Awards granted to Non-Employee Directors and, with respect to such Awards, the terms “Administrator” and “Committee” as used in the Plan shall be deemed to refer to
the Board and (b) the Board or Committee may delegate its authority hereunder to the extent permitted by Section 12.6. 
 12.2 Duties and Powers of Committee. It shall be the duty of the Committee to conduct the general administration of the Plan in accordance with its provisions. The Committee shall have the power to
interpret the Plan, the Program and the Award Agreement, and to adopt such rules for the administration, interpretation and application of the Plan as are not inconsistent therewith, to interpret, amend or revoke any such rules and to amend any
Program or Award Agreement; provided that the rights or obligations of the Holder of the Award that is the subject of any such Program or Award Agreement are not affected adversely by such amendment, unless the consent of the Holder is
obtained or such amendment is otherwise permitted under Section 11.5, Section 13.2 or Section 13.10. Any such grant or award under the Plan need not be the same with respect to each Holder. Any such interpretations and rules with
respect to Incentive Stock Options shall be consistent with the provisions of Section 422 of the Code. In its sole discretion, the Board may at any time and from time to time exercise any and all rights and duties of the Committee under the
Plan except with respect to matters that under Rule 16b-3 under the Exchange Act or any successor rule, or Section 162(m) of the Code, or any regulations or rules issued thereunder, or the rules of any securities exchange or automated quotation
system on which the Shares are listed, quoted or traded are required to be determined in the sole discretion of the Committee. 

 12.3 Action by the Committee. Unless otherwise established by the
Board or in any charter of the Committee, a majority of the Committee shall constitute a quorum and the acts of a majority of the members present at any meeting at which a quorum is present, and acts approved in writing by all members of the
Committee in lieu of a meeting, shall be deemed the acts of the Committee. Each member of the Committee is entitled to, in good faith, rely or act upon any report or other information furnished to that member by any officer or other employee of the
Company or any Affiliate, the Company’s independent certified public accountants, or any executive compensation consultant or other professional retained by the Company to assist in the administration of the Plan. 

12.4 Authority of Administrator. Subject to the Company’s Bylaws, the Committee’s Charter and any
specific designation in the Plan, the Administrator has the exclusive power, authority and sole discretion to: 

(a) Designate Eligible Individuals to receive Awards; 

(b) Determine the type or types of Awards to be granted to each Eligible Individual; 

(c) Determine the number of Awards to be granted and the number of Shares to which an Award will relate; 

(d) Determine the terms and conditions of any Award granted pursuant to the Plan, including, but not limited to, the
exercise price, grant price, purchase price, any performance criteria, any restrictions or limitations on the Award, any schedule for vesting, lapse of forfeiture restrictions or restrictions on the exercisability of an Award, and accelerations or
waivers thereof, and any provisions related to non-competition and recapture of gain on an Award, based in each case on such considerations as the Administrator in its sole discretion determines; 

(e) Determine whether, to what extent, and pursuant to what circumstances an Award may be settled in, or the exercise
price of an Award may be paid in cash, Shares, other Awards, or other property, or an Award may be canceled, forfeited, or surrendered; 
 (f) Prescribe the form of each Award Agreement, which need not be identical for each Holder; 
 (g) Decide all other matters that must be determined in connection with an Award; 
 (h) Establish, adopt, or revise any rules and regulations as it may deem necessary or advisable to administer the Plan; 

(i) Interpret the terms of, and any matter arising pursuant to, the Plan, any Program or any Award Agreement;

 (j) Make all other decisions and determinations that may be required
pursuant to the Plan or as the Administrator deems necessary or advisable to administer the Plan; and 
 (k)
Accelerate wholly or partially the vesting or lapse of restrictions of any Award or portion thereof at any time after the grant of an Award, subject to whatever terms and conditions it selects and Article 5 and Section 13.2(h). 

12.5 Decisions Binding. The Administrator’s interpretation of the Plan, any Awards granted pursuant to the
Plan, any Program, any Award Agreement and all decisions and determinations by the Administrator with respect to the Plan are final, binding and conclusive on all parties. 

12.6 Delegation of Authority. To the extent permitted by Applicable Law, the Board or Committee may from time to
time delegate to a committee of one or more members of the Board or one or more officers of the Company the authority to grant or amend Awards or to take other administrative actions pursuant to this Article 12; provided, however, that
in no event shall an officer of the Company be delegated the authority to grant awards to, amend awards held by, or take administrative actions with respect to Awards held by, the following individuals: (a) individuals who are subject to
Section 16 of the Exchange Act, (b) Covered Employees, or (c) officers of the Company (or Directors) to whom authority to grant, amend or administer Awards has been delegated hereunder; provided, further, that any
delegation of administrative authority shall only be permitted to the extent it is permissible under Section 162(m) of the Code and other Applicable Law. Any delegation hereunder shall be subject to the restrictions and limits that the Board or
Committee specifies at the time of such delegation, and the Board may at any time rescind the authority so delegated or appoint a new delegatee. At all times, the delegatee appointed under this Section 12.6 shall serve in such capacity at the
pleasure of the Board and the Committee. 
 ARTICLE 13. 

MISCELLANEOUS PROVISIONS 
 13.1 Amendment, Suspension or Termination of the Plan. 

(a) Except as otherwise provided in this Section 13.1, the Plan may be wholly or partially amended or otherwise
modified, suspended or terminated at any time or from time to time by the Board or the Committee. However, without approval of the Company’s stockholders given within twelve months before or after the action by the Administrator, no action of
the Administrator may, except as provided in Section 13.2, (i) increase the limits imposed in Section 3.1 on the maximum number of Shares that may be issued under the Plan, or (ii) increase the limits imposed in Section 3.3
on the Awards that may be issued under the Plan to any individual in any calendar year. Except as provided in Section 13.10, no amendment, suspension or termination of the Plan shall, without the consent of the Holder, impair any rights or
obligations under any Award theretofore granted or awarded, unless the Award itself otherwise expressly so provides. No Awards may be granted or awarded during any period of suspension or after

 
termination of the Plan, and in no event may any Award be granted under the Plan after the tenth anniversary of the Effective Date (the “Expiration Date”). Any Awards that
are outstanding on the Expiration Date shall remain in force according to the terms of the Plan and the applicable Award Agreement. 
 (b) The Board or the Committee may, without stockholder approval, (i) amend any Award to reduce the per-share exercise price of such an Award below the per-share exercise price as of the date the
Award is granted and (ii) grant an Award in exchange for, or in connection with, the cancellation or surrender of an Award having a higher per-share exercise price. 

13.2 Changes in Common Stock or Assets of the Company, Acquisition or Liquidation of the Company and Other Corporate
Events. 
 (a) In the event of any stock dividend, stock split, combination or exchange of shares, merger,
consolidation or other distribution (other than normal cash dividends) of Company assets to stockholders, or any other change affecting the Shares of the Company’s stock or the share price of the Company’s stock other than an Equity
Restructuring, the Administrator may make equitable adjustments, if any, to reflect such change with respect to (i) the aggregate number and kind of Shares that may be issued under the Plan (including, but not limited to, adjustments of the
limitations in Sections 3.1 and 3.3 on the maximum number and kind of Shares that may be issued under the Plan, and adjustments of the Award Limit); (ii) the number and kind of Shares (or other securities or property) subject to
outstanding Awards; (iii) the number and kind of Shares (or other securities or property) for which automatic grants are subsequently to be made to new and continuing Non-Employee Directors pursuant to Section 4.6; (iv) the terms and
conditions of any outstanding Awards (including, without limitation, any applicable performance targets or criteria with respect thereto); and (v) the grant or exercise price per share for any outstanding Awards under the Plan. Any adjustment
affecting an Award intended as Performance-Based Compensation shall be made consistent with the requirements of Section 162(m) of the Code. 
 (b) In the event of any transaction or event described in Section 13.2(a) or any unusual or nonrecurring transactions or events affecting the Company, any Affiliate of the Company, or the financial
statements of the Company or any Affiliate, or of changes in Applicable Law or accounting principles, including, without limitation, a Change in Control, the Administrator, in its sole discretion, and on such terms and conditions as it deems
appropriate, either by the terms of the Award or by action taken prior to the occurrence of such transaction or event and either automatically or upon the Holder’s request, is hereby authorized to take any one or more of the following actions
whenever the Administrator determines that such action is appropriate in order to prevent dilution or enlargement of the benefits or potential benefits intended to be made available under the Plan or with respect to any Award under the Plan, to
facilitate such transactions or events or to give effect to such changes in laws, regulations or principles: 

(i) To provide for either (A) termination of any such Award in exchange for an amount of cash, if any, equal to the
amount that would have been attained upon 

 
the exercise of such Award or realization of the Holder’s rights (and, for the avoidance of doubt, if as of the date of the occurrence of the transaction or event described in this
Section 13.2 the Administrator determines in good faith that no amount would have been attained upon the exercise of such Award or realization of the Holder’s rights, then such Award may be terminated by the Company without payment) or
(B) the replacement of such Award with other rights or property selected by the Administrator in its sole discretion having an aggregate value not exceeding the amount that could have been attained upon the exercise of such Award or realization
of the Holder’s rights had such Award been currently exercisable or payable or fully vested; 
 (ii) To
provide that such Award be assumed by the successor or survivor corporation, or a parent or subsidiary thereof, or shall be substituted for by similar options, rights or awards covering the stock of the successor or survivor corporation, or a parent
or subsidiary thereof, with appropriate adjustments as to the number and kind of shares and prices; 
 (iii) To
make adjustments in the number and type of Shares of the Company’s stock (or other securities or property) subject to outstanding Awards, and in the number and kind of outstanding Restricted Stock and/or in the terms and conditions of
(including the grant or exercise price), and the criteria included in, outstanding Awards and Awards that may be granted in the future; 
 (iv) To provide that such Award shall be exercisable or payable or fully vested with respect to all Shares covered thereby, notwithstanding anything to the contrary in the Plan or the applicable Program
or Award Agreement; and 
 (v) To provide that the Award cannot vest, be exercised or become payable after such
event. 
 (c) In connection with the occurrence of any Equity Restructuring, and notwithstanding anything to
the contrary in Sections 13.2(a) and 13.2(b): 
 (i) The number and type of securities subject to each
outstanding Award and the exercise price or grant price thereof, if applicable, shall be equitably adjusted; and/or 
 (ii) The Administrator shall make such equitable adjustments, if any, as the Administrator, in its sole discretion may deem appropriate to reflect such Equity Restructuring with respect to the aggregate
number and kind of Shares that may be issued under the Plan (including, but not limited to, adjustments of the limitations in Sections 3.1 and 3.3 on the maximum number and kind of Shares that may be issued under the Plan, and adjustments of the
Award Limit). The adjustments provided under this Section 13.2(c) shall be nondiscretionary and shall be final and binding on the affected Holder and the Company. 

(d) Notwithstanding any other provision of the Plan, in the event of a Change in Control, each outstanding Award shall
continue in effect or be assumed or an equivalent Award substituted by the successor corporation or a parent or subsidiary of the successor 

 
corporation. In the event that the successor corporation in a Change in Control refuses to assume or substitute for an Award upon the Change in Control, such Award shall become fully vested and,
if applicable, exercisable and all forfeiture restrictions on such Award shall lapse as of immediately prior to the consummation of such Change in Control. If an Award is exercisable in lieu of assumption or substitution in the event of a Change in
Control, the Administrator shall notify the Holder that the Award shall be fully exercisable for a period of fifteen days from the date of such notice, contingent upon the occurrence of the Change in Control, and the Award shall terminate upon the
expiration of such period. 
 (e) For the purposes of this Section 13.2, an Award shall be considered
assumed if, following the Change in Control, the Award confers the right to purchase or receive, for each Share subject to the Award immediately prior to the Change in Control, the consideration (whether stock, cash, or other securities or property)
received in the Change in Control by holders of Common Stock for each Share held on the effective date of the transaction (and if holders were offered a choice of consideration, the type of consideration chosen by the holders of a majority of the
outstanding Shares); provided, however, that if such consideration received in the Change in Control was not solely common stock of the successor corporation or its parent, the Administrator may, with the consent of the successor
corporation, provide for the consideration to be received upon the exercise of the Award, for each Share subject to an Award, to be solely common stock of the successor corporation or its parent equal in fair market value to the per-share
consideration received by holders of Common Stock in the Change in Control. 
 (f) The Administrator may
provide in an Award Agreement that, in the event an Award continues in effect or is assumed or an equivalent Award substituted following a Change in Control, and the surviving or successor corporation terminates the Holder’s employment or
service without Cause or the Holder voluntarily resigns for Good Reason upon or within 18 months following the Change in Control, then (i) such Holder shall be fully vested in such continued, assumed or substituted Award on the date of such
termination, and (ii) such Award shall remain exercisable, if applicable, until the earlier of (A) the first anniversary of the date of such termination or (B) the original expiration date of the Award. 

(g) The Administrator, in its sole discretion, may include such further provisions and limitations in any Award,
agreement or certificate, as it may deem equitable and in the best interests of the Company that are not inconsistent with the provisions of the Plan. 
 (h) With respect to Awards that are granted to Covered Employees and are intended to qualify as Performance-Based Compensation, no adjustment or action described in this Section 13.2 or in any other
provision of the Plan shall be authorized to the extent that such adjustment or action would cause such Award to fail to so qualify as Performance-Based Compensation, unless the Administrator determines that the Award should not so qualify. No
adjustment or action described in this Section 13.2 or in any other provision of the Plan shall be authorized to the extent that such adjustment or action would cause the Plan to violate Section 422(b)(1) of the Code. Furthermore, no such
adjustment or action shall be authorized to the extent such adjustment or action would result in short-swing profits liability under Section 16 or violate the exemptive conditions of Rule 16b-3 unless the Administrator determines that the Award
is not to comply with such exemptive conditions. 

 (i) The existence of the Plan, the Program, the Award Agreement and the
Awards granted hereunder shall not affect or restrict in any way the right or power of the Company or the stockholders of the Company to make or authorize any adjustment, recapitalization, reorganization or other change in the Company’s capital
structure or its business, any merger or consolidation of the Company, any issue of stock or of options, warrants or rights to purchase stock or of bonds, debentures, preferred or prior preference stocks whose rights are superior to or affect the
Common Stock or the rights thereof or that are convertible into or exchangeable for Common Stock, or the dissolution or liquidation of the Company, or any sale or transfer of all or any part of its assets or business, or any other corporate act or
proceeding, whether of a similar character or otherwise. 
 (j) Unless otherwise provided by the Administrator,
no action shall be taken under this Section 13.2 that shall cause an Award to fail to be exempt from or comply with Section 409A of the Code or the Treasury Regulations thereunder. 

(k) In the event of any pending stock dividend, stock split, combination or exchange of shares, merger, consolidation or
other distribution (other than normal cash dividends) of Company assets to stockholders, or any other change affecting the Shares or the share price of the Common Stock including any Equity Restructuring, for reasons of administrative convenience,
the Administrator in its sole discretion, may refuse to permit the exercise of any Award during a period of up to thirty days prior to the consummation of any such transaction. 

13.3 Approval of Plan by Stockholders. The Plan shall be submitted for the approval of the Company’s
stockholders within twelve months after the date of the Board’s initial adoption of the Plan. 
 13.4 No
Stockholders Rights. Except as otherwise provided herein, a Holder shall have none of the rights of a stockholder with respect to Shares covered by any Award until the Holder becomes the record owner of such Shares. 

13.5 Paperless Administration. In the event that the Company establishes, for itself or using the services of a
third party, an automated system for the documentation, granting or exercise of Awards, such as a system using an internet website or interactive voice response, then the paperless documentation, granting or exercise of Awards by a Holder may be
permitted through the use of such an automated system. 
 13.6 Effect of Plan upon Other Compensation
Plans. The adoption of the Plan shall not affect any other compensation or incentive plans in effect for the Company or any Affiliate. Nothing in the Plan shall be construed to limit the right of the Company or any Affiliate: (a) to
establish any other forms of incentives or compensation for Employees, Directors or Consultants of the Company or any Affiliate, or (b) to grant or assume options or other rights or awards otherwise than under the Plan in connection with any
proper corporate purpose including without limitation, the grant or assumption of options in connection with the acquisition by purchase, lease, merger, consolidation or otherwise, of the business, stock or assets of any corporation, partnership,
limited liability company, firm or association. 

 13.7 Compliance with Laws. The Plan, the granting and vesting of
Awards under the Plan and the issuance and delivery of Shares and the payment of money under the Plan or under Awards granted or awarded hereunder are subject to compliance with all Applicable Law (including but not limited to state, federal and
foreign securities law and margin requirements), and to such approvals by any listing, regulatory or governmental authority as may, in the opinion of counsel for the Company, be necessary or advisable in connection therewith. Any securities
delivered under the Plan shall be subject to such restrictions, and the person acquiring such securities shall, if requested by the Company, provide such assurances and representations to the Company as the Company may deem necessary or desirable to
assure compliance with all Applicable Law. To the extent permitted by Applicable Law, the Plan and Awards granted or awarded hereunder shall be deemed amended to the extent necessary to conform to Applicable Law. 

13.8 Titles and Headings, References to Sections of the Code or Exchange Act. The titles and headings of the
Sections in the Plan are for convenience of reference only and, in the event of any conflict, the text of the Plan, rather than such titles or headings, shall control. References to sections of the Code or the Exchange Act shall include any
amendment or successor thereto. 
 13.9 Governing Law. The Plan and any agreements hereunder shall be
administered, interpreted and enforced under the internal laws of the State of Delaware without regard to conflicts of laws thereof or of any other jurisdiction. 

13.10 Section 409A. To the extent that the Administrator determines that any Award granted under the Plan is
subject to Section 409A of the Code, the Program pursuant to which such Award is granted and the Award Agreement evidencing such Award shall incorporate the terms and conditions required by Section 409A of the Code. To the extent
applicable, the Plan, the Program and any Award Agreements shall be interpreted in accordance with Section 409A of the Code and Department of Treasury regulations and other interpretive guidance issued thereunder, including without limitation
any such regulations or other guidance that may be issued after the Effective Date. Notwithstanding any provision of the Plan to the contrary, in the event that following the Effective Date the Administrator determines that any Award may be subject
to Section 409A of the Code and related Department of Treasury guidance (including such Department of Treasury guidance as may be issued after the Effective Date), the Administrator may adopt such amendments to the Plan and the applicable
Program and Award Agreement or adopt other policies and procedures (including amendments, policies and procedures with retroactive effect), or take any other actions, that the Administrator determines are necessary or appropriate to (a) exempt
the Award from Section 409A of the Code and/or preserve the intended tax treatment of the benefits provided with respect to the Award, or (b) comply with the requirements of Section 409A of the Code and related Department of Treasury
guidance and thereby avoid the application of any penalty taxes under such Section. 
 13.11 No Rights to
Awards. No Eligible Individual or other person shall have any claim to be granted any Award pursuant to the Plan, and neither the Company nor the Administrator is obligated to treat Eligible Individuals, Holders or any other persons uniformly.

 13.12 Unfunded Status of Awards. The Plan is intended to be an
“unfunded” plan for incentive compensation. With respect to any payments not yet made to a Holder pursuant to an Award, nothing contained in the Plan or any Program or Award Agreement shall give the Holder any rights that are greater than
those of a general creditor of the Company or any Affiliate. 
 13.13 Indemnification. To the extent
allowable pursuant to Applicable Law, each member of the Committee or of the Board shall be indemnified and held harmless by the Company from any loss, cost, liability, or expense that may be imposed upon or reasonably incurred by such member in
connection with or resulting from any claim, action, suit, or proceeding to which he or she may be a party or in which he or she may be involved by reason of any action or failure to act pursuant to the Plan and against and from any and all amounts
paid by him or her in satisfaction of judgment in such action, suit, or proceeding against him or her; provided he or she gives the Company an opportunity, at its own expense, to handle and defend the same before he or she undertakes to
handle and defend it on his or her own behalf. The foregoing right of indemnification shall not be exclusive of any other rights of indemnification to which such persons may be entitled pursuant to the Company’s Certificate of Incorporation or
Bylaws, as a matter of law, or otherwise, or any power that the Company may have to indemnify them or hold them harmless. 
 13.14 Relationship to other Benefits. No payment pursuant to the Plan shall be taken into account in determining any benefits under any pension, retirement, savings, profit sharing, group
insurance, welfare or other benefit plan of the Company or any Affiliate except to the extent otherwise expressly provided in writing in such other plan or an agreement thereunder. 

13.15 Expenses. The expenses of administering the Plan shall be borne by the Company and its Affiliates.

 * * * * * 

I hereby certify that the foregoing Plan was duly adopted by the Board of Directors of ChemoCentryx, Inc. on
                                 ,
201      . 
 * * * * * 

I hereby certify that the foregoing Plan was approved by the stockholders of ChemoCentryx, Inc. on
                                 ,
201      . 
 Executed on this
                 day of
                                ,
201      . 
  

	
	
	  
	Corporate Secretary

 CHEMOCENTRYX, INC. 

2012 EQUITY INCENTIVE AWARD PLAN 
 STOCK OPTION GRANT NOTICE AND 
 STOCK OPTION AGREEMENT 

ChemoCentryx, Inc., a Delaware corporation (the “Company”), pursuant to its 2012 Equity Incentive
Award Plan (the “Plan”), hereby grants to the holder listed below (“Holder”), an option to purchase the number of shares of the Company’s Common Stock set forth below (the
“Option”). This Option is subject to all of the terms and conditions set forth herein and in the Stock Option Agreement attached hereto as Exhibit A (the “Stock Option Agreement”) and the Plan,
which are incorporated herein by reference. Unless otherwise defined herein, the terms defined in the Plan shall have the same defined meanings in this Grant Notice and the Stock Option Agreement. 

 

			
	 Holder:
	  	
		  	  

		
	 Grant Date:
	  	
		  	  

		
	 Vesting Commencement Date:
	  	
		  	  

		
	 Exercise Price per Share of Common Stock:
	  	 $

		  	  

		
	 Total Exercise Price:
	  	 $

		  	  

		
	 Total Number of Shares of Common Stock Subject to the Option:
	  	shares
		  	  

		
	 Expiration Date:
	  	
		  	  

  

							
	 Type of Option:
	 	          ̈  Incentive Stock Option
	  	 ̈  Non-Qualified Stock Option	  	
				
	 Vesting Schedule:
	 	         [To be specified in individual agreements]
	  		  	

 By his or her signature, Holder agrees to be bound by the terms and conditions of the
Plan, the Stock Option Agreement and this Grant Notice. Holder has reviewed the Stock Option Agreement, the Plan and this Grant Notice in their entirety, has had an opportunity to obtain the advice of counsel prior to executing this Grant Notice and
fully understands all provisions of this Grant Notice, the Stock Option Agreement and the Plan. Holder hereby agrees to accept as binding, conclusive and final all decisions or interpretations of the Administrator upon any questions arising under
the Plan, this Grant Notice or the Stock Option Agreement. 
 Holder understands and agrees that this Option
does not alter the at-will nature of his or her employment relationship with the Company and is not a promise of continued employment or service for the vesting period of the Option or any portion of it. 

The Plan, this Grant Notice and the Stock Option Agreement constitute the entire agreement of the parties and supersede
in their entirety all oral, implied or written promises, statements, understandings, undertakings and agreements between the Company and Holder with respect to the subject matter hereof, including without limitation, the provisions of any employment
agreement or offer letter regarding equity awards to be awarded to Holder by the Company, or any other oral, implied or written promises, statements, understandings, undertakings or agreements by the Company or any of its representatives regarding
equity awards to be awarded to Holder by the Company. 
  

									
	 CHEMOCENTRYX, INC.
	 		 	 HOLDER

					
	 By:
	 	 	 		 	 By:
	 	 
	 Print Name:
	 	 	 		 	 Print Name:
	 	 
	 Title:
	 	 	 		 		 	
	 Address:
	 	 850 Maude Avenue
	 		 	 Address:
	 	 
		 	 Mountain View, CA 94043
	 		 		 	 

 EXHIBIT A 
 TO STOCK OPTION GRANT NOTICE 
 STOCK OPTION AGREEMENT 

Pursuant to the Stock Option Grant Notice (the “Grant Notice”) to which this Stock Option
Agreement (this “Agreement”) is attached, ChemoCentryx, Inc., a Delaware corporation (the “Company”), has granted to Holder an Option under the Company’s 2012 Equity Incentive Award Plan (the
“Plan”) to purchase the number of shares of Common Stock indicated in the Grant Notice. 
 ARTICLE 14.

 GENERAL 
 14.1 Defined Terms. Capitalized terms not specifically defined herein shall have the meanings specified in the Plan and the Grant Notice. 

14.2 Incorporation of Terms of Plan. The Option is subject to the terms and conditions of the Plan which are
incorporated herein by reference. In the event of any inconsistency between the Plan and this Agreement, the terms of the Plan shall control. 
 ARTICLE 15. 
 GRANT OF OPTION 

15.1 Grant of Option. In consideration of Holder’s past and/or continued employment with or service to the
Company or a Parent or Affiliate and for other good and valuable consideration, effective as of the Grant Date set forth in the Grant Notice (the “Grant Date”), the Company irrevocably grants to Holder the Option to purchase
any part or all of an aggregate of the number of shares of Common Stock set forth in the Grant Notice, upon the terms and conditions set forth in the Plan, the Grant Notice and this Agreement. Unless designated as a Non-Qualified Stock Option in the
Grant Notice, the Option shall be an Incentive Stock Option to the maximum extent permitted by law. 
 15.2
Exercise Price. The exercise price of the shares of Common Stock subject to the Option shall be as set forth in the Grant Notice, without commission or other charge; provided, however, that the price per share of the shares of
Common Stock subject to the Option shall not be less than 100% of the Fair Market Value of a share of Common Stock on the Grant Date. Notwithstanding the foregoing, if this Option is designated as an Incentive Stock Option and the Holder is a
Greater Than 10% Stockholder, the price per share of the shares of Common Stock subject to the Option shall not be less than 110% of the Fair Market Value of a share of Common Stock on the Grant Date. 

15.3 No Right to Continued Employment. Nothing in the Plan, the Grant Notice, or this Agreement shall confer upon
the Holder any right to continue in the employ or service of the Company or any Parent or Affiliate or shall interfere with or restrict in any way the rights of the Company and any Parent or Affiliate, which rights are hereby expressly reserved, to
discharge or terminate the services of the Holder at any time for any reason whatsoever, except to the extent 

  
 A-1

 
expressly provided otherwise in a written agreement between the Company or an Affiliate and the Holder. 
 ARTICLE 16. 
 PERIOD OF EXERCISABILITY 

16.1 Commencement of Exercisability. 

(a) Subject to Sections 3.2, 3.3, 3.5, 3.6 and 5.6, the Option shall become vested and exercisable in such amounts and
at such times as are set forth in the Grant Notice. 
 (b) No portion of the Option that has not become vested
and exercisable at the date of Holder’s Termination of Service shall thereafter become vested and exercisable, except as may be otherwise provided in the Grant Notice or provided by the Administrator or as set forth in a written agreement
between the Company and Holder. 
 16.2 Duration of Exercisability. The installments provided for in the
vesting schedule set forth in the Grant Notice are cumulative. Each such installment that becomes vested and exercisable pursuant to the vesting schedule set forth in the Grant Notice shall remain vested and exercisable until it becomes
unexercisable under Section 3.3. 
 16.3 Expiration of Option. Subject to Section 3.5, the
Option may not be exercised to any extent by anyone after the first to occur of the following events: 
 (a)
The expiration of ten years from the Grant Date; 
 (b) If this Option is designated as an Incentive Stock
Option and Holder owned (within the meaning of Section 424(d) of the Code), at the time the Option was granted, more than 10% of the total combined voting power of all classes of stock of the Company or any “subsidiary corporation” of
the Company or any “parent corporation” of the Company (each within the meaning of Section 424 of the Code), the expiration of five years from the Grant Date; 

(c) The expiration of three months following the date of Holder’s Termination of Service, unless such termination
occurs by reason of Holder’s death, Disability or for Cause; 
 (d) The expiration of one year from the
date of Holder’s death if Holder dies prior to his or her Termination of Service or within three months after his or her Termination of Service; 
 (e) The expiration of one year from the date of Holder’s Termination of Service by reason of Holder’s Disability; or 

(f) The date of Holder’s Termination of Service by the Company for Cause. 

If the 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 

  
 A-2

 
beginning on the date of grant of the Option and ending on the day three months before the date of Option’s exercise, Holder must be an Employee of the Company or any subsidiary corporation
(as defined in Section 424(f) of the Code) of the Company, except in the event of Holder’s death or Disability. The Company has provided for extended exercisability of Holder’s Option under certain circumstances for Holder’s
benefit but cannot guarantee that Holder’s Option will necessarily be treated as an “incentive stock option” if Holder continues to be employed by or provide services to the Company or an affiliate as a Consultant or Director after
Holder’s employment terminates or if Holder otherwise exercises its options more than three months after the date Holder’s employment terminates. 
 16.4 Special Tax Consequences. Holder acknowledges that, to the extent that the aggregate Fair Market Value (determined as of the time the Option is granted) of all shares of Common Stock with
respect to which Incentive Stock Options, including the Option, are exercisable for the first time by Holder in any calendar year exceeds $100,000, the Option and such other options shall be Non-Qualified Stock Options to the extent necessary to
comply with the limitations imposed by Section 422(d) of the Code. Holder further acknowledges that the rule set forth in the preceding sentence shall be applied by taking the Option and other “incentive stock options” into account in
the order in which they were granted, as determined under Section 422(d) of the Code and the Treasury Regulations thereunder. 
 16.5 Acceleration Upon a Qualifying Termination Following a Change in Control. In the event Holder’s Termination of Service without Cause or Holder’s voluntary resignation for Good Reason
upon or within 18 months following a Change in Control, then (a) the Option shall be fully vested and exercisable as of the date of such Termination of Service, and (b) the Option shall remain exercisablefor a period of 12 months following
such Termination of Service (but in no event beyond the date set forth in Section 3.3(a) above). 
 16.6
Acceleration Upon Death or Disability. If Holder is an Employee, in the event of Holder’s Termination of Service on account of death or Disability, that number of Shares under this Option that would have become fully vested and
exercisable over the 12 months following Holder’s Termination of Service under the vesting schedules set forth in the Grant Notice had Holder remained continuously employed by the Company during such period shall immediately become vested and
exercisable on the date of Holder’s Termination of Service. 
 ARTICLE 17. 

EXERCISE OF OPTION 
 17.1 Person Eligible to Exercise. Except as provided in Section 5.1, during the lifetime of the Holder, only Holder may exercise the Option or any portion thereof, unless it has been disposed
of pursuant to a DRO. After the death of Holder, any exercisable portion of the Option may, prior to the time when the Option becomes unexercisable under Section 3.3, be exercised by Holder’s personal representative or by any person
empowered to do so under the deceased Holder’s will or under the then applicable laws of descent and distribution. 

  
 A-3

 17.2 Partial Exercise. Any exercisable portion of the Option or the
entire Option, if then wholly exercisable, may be exercised in whole or in part at any time prior to the time when the Option or portion thereof becomes unexercisable under Section 3.3. 

17.3 Manner of Exercise. The Option, or any exercisable portion thereof, may be exercised solely by delivery to
the Secretary of the Company (or any third party administrator or other person or entity designated by the Company) of all of the following prior to the time when the Option or such portion thereof becomes unexercisable under Section 3.3:

 (a) An Exercise Notice in writing signed by Holder or any other person then entitled to exercise the Option
or portion thereof, stating that the Option or portion thereof is thereby exercised, such notice complying with all applicable rules established by the Administrator. Such notice shall be substantially in the form attached as Exhibit B to the
Grant Notice (or such other form as is prescribed by the Administrator); 
 (b) The receipt by the Company of
full payment for the shares of Common Stock with respect to which the Option or portion thereof is exercised, including payment of any applicable withholding tax, as provided under Section 4.4; 

(c) Any other written representations as may be required in the Administrator’s reasonable discretion to evidence
compliance with the Securities Act or any other applicable law, rule, or regulation; and 
 (d) In the event
the Option or portion thereof shall be exercised pursuant to Section 4.1 by any person or persons other than Holder, appropriate proof of the right of such person or persons to exercise the Option. 

Notwithstanding any of the foregoing, the Company shall have the right to specify all conditions of the manner of
exercise, which conditions may vary by country and which may be subject to change from time to time. 
 17.4
Method of Payment. Payment of the exercise price and any applicable withholding tax shall be by any of the following, or a combination thereof, at the election of Holder, subject to Sections 11.1 and 11.2 of the Plan: 

(a) Cash; 
 (b) Check; 
 (c) Delivery of a notice that the Holder has placed
a market sell order with a broker with respect to shares of Common Stock then issuable upon exercise of the Option, and that the broker has been directed to pay a sufficient portion of the net proceeds of the sale to the Company in satisfaction of
the aggregate exercise price of the shares of Common Stock with respect to which the Option or portion thereof is being exercised and any applicable withholding tax; provided, that payment of such proceeds is then made to the Company upon
settlement of such sale; 

  
 A-4

 (d) With the consent of the Administrator, by delivery of a full recourse
promissory note on such terms and conditions as may be approved by the Administrator; 
 (e) With the consent
of the Administrator, surrender of vested shares of Common Stock owned by Holder that have a Fair Market Value on the date of surrender equal to the aggregate exercise price of the shares of Common Stock with respect to which the Option or portion
thereof is being exercised and any applicable withholding tax; 
 (f) With the consent of the Administrator,
surrendered shares of Common Stock issuable upon the exercise of the Option having a Fair Market Value on the date of exercise equal to the aggregate exercise price of the shares of Common Stock with respect to which the Option or portion thereof is
being exercised and any applicable withholding tax; or 
 (g) With the consent of the Administrator, property
of any kind that constitutes good and valuable consideration. 
 (h) Notwithstanding any other provision of the
Plan or this Agreement, if Holder is a Director or “executive officer” of the Company within the meaning of Section 13(k) of the Exchange Act, he or she shall not be permitted to make payment pursuant to this Section 4.4, or
continue any extension of credit with respect to such payment with a loan from the Company or a loan arranged by the Company, in violation of Section 13(k) of the Exchange Act. 

17.5 Conditions to Issuance of Stock Certificates. The Company shall not be required to issue or deliver any
shares of Common Stock purchased upon the exercise of the Option or portion thereof prior to fulfillment of all of the following conditions: 
 (a) The admission of such shares of Common Stock to listing on all stock exchanges on which such Common Stock is then listed; 

(b) The completion of any registration or other qualification of such shares of Common Stock under any state or federal
law or under rulings or regulations of the Securities and Exchange Commission or of any other governmental regulatory body, which the Administrator, in its sole discretion, shall deem necessary or advisable; 

(c) The obtaining of any approval or other clearance from any state or federal governmental agency that the
Administrator, in its sole discretion, shall determine to be necessary or advisable; 
 (d) The lapse of such
reasonable period of time following the exercise of the Option as the Administrator may from time to time establish for reasons of administrative convenience; and 

(e) The receipt by the Company of full payment for such shares of Common Stock, including payment of any applicable
withholding tax, as provided under Section 4.4. 
 17.6 Rights as Stockholder. The holder of the
Option shall not be, nor have any of the rights or privileges of, a stockholder of the Company in respect of any shares of Common Stock 

  
 A-5

 
purchasable upon the exercise of any part of the Option unless and until such shares of Common Stock shall have been issued by the Company to such holder (as evidenced by the appropriate entry on
the books of the Company or of a duly authorized transfer agent of the Company) and, once issued, such shares of Common Stock shall be freely tradeable and non-forfeitable. No adjustment will be made for a dividend or other right for which the
record date is prior to the date the shares of Common Stock are issued, except as provided in Article 13 of the Plan. 

ARTICLE 18. 
 OTHER PROVISIONS 
 18.1 Option Generally Not
Transferable. 
 (a) Subject to Section 5.1(c), the Option may not be sold, pledged, assigned or
transferred in any manner other than by will or the laws of descent and distribution or, subject to the consent of the Administrator, pursuant to a DRO, unless and until the shares of Common Stock underlying the Option have been issued, and all
restrictions applicable to such shares of Common Stock have lapsed. Neither the Option nor any interest or right therein shall be liable for the debts, contracts or engagements of Holder or his or her successors in interest or shall be subject to
disposition by transfer, alienation, anticipation, pledge, encumbrance, assignment or any other means whether such disposition be voluntary or involuntary or by operation of law by judgment, levy, attachment, garnishment or any other legal or
equitable proceedings (including bankruptcy), and any attempted disposition thereof shall be null and void and of no effect, except to the extent that such disposition is permitted by the preceding sentence. 

(b) Unless transferred to a Permitted Transferee in accordance with Section 5.1(c), during the lifetime of Holder,
only Holder may exercise the Option or any portion thereof, unless it has been disposed of pursuant to a DRO. After the death of Holder, any exercisable portion of the Option may, prior to the time when the Option becomes unexercisable under
Section 3.3, be exercised by Holder’s personal representative or by any person empowered to do so under the deceased Holder’s will or under the then applicable laws of descent and distribution. 

(c) Notwithstanding any other provision in this Agreement, with the consent of the Administrator and to the extent the
Option is designated as a Non-Qualified Stock Option, the Option may be transferred to, exercised by and paid to one or more Permitted Transferees, subject to the terms and conditions set forth in Section 11.3 of the Plan. Subject to such
conditions and procedures as the Administrator may require, a Permitted Transferee may exercise the Option or any portion thereof during the Holder’s lifetime. 

18.2 Adjustments. The Holder acknowledges that the Option, including the vesting of the Option and the number of
Shares subject to the Option, is subject to adjustment in the discretion of the Administrator upon the occurrence of certain events as provided in this Agreement and Article 13 of the Plan. 

18.3 Notices. Any notice to be given under the terms of this Agreement to the Company shall be addressed to the
Company in care of the Secretary of the Company at the 

  
 A-6

 
address given beneath the signature of the Company’s authorized officer on the Grant Notice, and any notice to be given to Holder shall be addressed to Holder at the address given beneath
Holder’s signature on the Grant Notice. By a notice given pursuant to this Section 5.3, either party may hereafter designate a different address for notices to be given to that party. Any notice that is required to be given to Holder
shall, if Holder is then deceased, be given to the person entitled to exercise his or her Option pursuant to Section 4.1 by written notice under this Section 5.3. Any notice shall be deemed duly given when sent via email or when sent by
certified mail (return receipt requested) and deposited (with postage prepaid) in a post office or branch post office regularly maintained by the United States Postal Service. 

18.4 Titles. Titles are provided herein for convenience only and are not to serve as a basis for interpretation or
construction of this Agreement. 
 18.5 Governing Law; Severability. The laws of the State of Delaware
shall govern the interpretation, validity, administration, enforcement and performance of the terms of this Agreement regardless of the law that might be applied under principles of conflicts of laws. Should any provision of this Agreement be
determined by a court of law to be illegal or unenforceable, the other provisions shall nevertheless remain effective and shall remain enforceable. 
 18.6 Conformity to Securities Laws. Holder acknowledges that the Plan, the Grant Notice and this Agreement are intended to conform to the extent necessary with all provisions of the Securities Act
and the Exchange Act and any and all regulations and rules promulgated by the Securities and Exchange Commission thereunder, and state securities laws and regulations. Notwithstanding anything herein to the contrary, the Plan shall be administered,
and the Option is granted and may be exercised, only in such a manner as to conform to such laws, rules and regulations. To the extent permitted by Applicable Law, the Plan, the Grant Notice and this Agreement shall be deemed amended to the extent
necessary to conform to such laws, rules and regulations. 
 18.7 Tax Representations. Holder has
reviewed with Holder’s own tax advisors the federal, state, local and foreign tax consequences of this investment and the transactions contemplated by the Grant Notice and this Agreement. Holder is relying solely on such advisors and not on any
statements or representations of the Company or any of its agents. Holder understands that Holder (and not the Company) shall be responsible for Holder’s own tax liability that may arise as a result of this investment or the transactions
contemplated by this Agreement. 
 18.8 Successors and Assigns. The Company may assign any of its rights
under this Agreement to single or multiple assignees, and this Agreement shall inure to the benefit of the successors and assigns of the Company. Subject to the restrictions on transfer herein set forth in Section 5.1, this Agreement shall be
binding upon Holder and his or her heirs, executors, administrators, successors and assigns. 
 18.9
Notification of Disposition. If this Option is designated as an Incentive Stock Option, Holder shall give prompt notice to the Company of any disposition or other transfer of 

  
 A-7

 
any shares of Common Stock acquired under this Agreement if such disposition or transfer is made (a) within two years from the Grant Date with respect to such shares of Common Stock or
(b) within one year after the transfer of such shares of Common Stock to the Holder. Such notice shall specify the date of such disposition or other transfer and the amount realized, in cash, other property, assumption of indebtedness or other
consideration, by Holder in such disposition or other transfer. 
 18.10 Limitations Applicable to
Section 16 Persons. Notwithstanding any other provision of the Plan or this Agreement, if Holder is subject to Section 16 of the Exchange Act, the Plan, the Option and this Agreement shall be subject to any additional limitations set
forth in any applicable exemptive rule under Section 16 of the Exchange Act (including any amendment to Rule 16b-3 of the Exchange Act) that are requirements for the application of such exemptive rule. To the extent permitted by Applicable Law,
this Agreement shall be deemed amended to the extent necessary to conform to such applicable exemptive rule. 

18.11 Amendment, Suspension and Termination. To the extent permitted by the Plan, this Agreement may be wholly or
partially amended or otherwise modified, suspended or terminated at any time or from time to time by the Administrator or the Board; provided, that, except as may otherwise be provided by the Plan, no amendment, modification, suspension or
termination of this Agreement shall impair any rights or obligations under this Agreement in any material way without the prior written consent of Holder. 

  
 A-8

 EXHIBIT B 
 TO STOCK OPTION GRANT NOTICE 
 FORM OF EXERCISE NOTICE 

Effective as of today,
                , 20        the undersigned (“Holder”) hereby elects to exercise
Holder’s option to purchase                 shares of the Common Stock (the “Shares”) of ChemoCentryx, Inc. (the
“Company”) under and pursuant to the ChemoCentryx, Inc. 2012 Equity Incentive Award Plan (the “Plan”) and the Stock Option Grant Notice and Stock Option Agreement dated
                , 20        , (the “Option Agreement”). Capitalized terms used herein
without definition shall have the meanings given in the Option Agreement. 
  

			
	 Grant Date:
	  	
		  	  

		
	 Number of Shares of Common Stock as to
	  	
		  	  

	 which Option is Exercised:
	  	
		
	 Exercise Price per Share of Common Stock:
	  	
$                             
                                   

		
	 Total Exercise Price:
	  	
$                             
                                   

		
	 Certificate to be issued in name of:
	  	
		  	  

		
	 Cash Payment delivered herewith:
	  	 $                      (Representing the full
Exercise Price for the Shares, as well as any applicable withholding tax)

  

							
	 Type of Option:
	 	  ̈  Incentive Stock Option
	  	 ̈  Non-Qualified Stock Option	  	

 1. Representations of Holder. Holder acknowledges that Holder has received, read
and understood the Plan and the Option Agreement. Holder agrees to abide by and be bound by their terms and conditions. 
 2. Rights as Stockholder. Until the Shares are issued (as evidenced by the appropriate entry on the books of the Company or of a duly authorized transfer agent of the Company), no right to vote or
receive dividends or any other rights as a stockholder shall exist with respect to Shares subject to the Option, notwithstanding the exercise of the Option. No adjustment will be made for a dividend or other right for which the record date is prior
to the date the Shares are issued, except as provided in Article 13 of the Plan. The Shares shall be freely tradeable and non-forfeitable. 
 3. Tax Consultation. Holder understands that Holder may suffer adverse tax consequences as a result of Holder’s purchase or disposition of the Shares. Holder represents that Holder has
consulted with any tax consultants Holder deems advisable in connection with the purchase or disposition of the Shares and that Holder is not relying on the Company for any tax advice. 

 4. Successors and Assigns. This Agreement shall inure to the benefit
of the successors and assigns of the Company. Subject to the restrictions on transfer herein set forth, this Agreement shall be binding upon Holder and his or her heirs, executors, administrators, successors and assigns. 

5. Interpretation. Any dispute regarding the interpretation of this Agreement shall be submitted by Holder or by
the Company forthwith to the Administrator, which shall review such dispute at its next regular meeting. The resolution of such a dispute by the Administrator shall be final and binding on the Company and on Holder. 

6. Governing Law; Severability. This Agreement shall be governed by and construed in accordance with the laws of
the State of Delaware, excluding that body of law pertaining to conflicts of law. Should any provision of this Agreement be determined by a court of law to be illegal or unenforceable, the other provisions shall nevertheless remain effective and
shall remain enforceable. 
 7. Notices. Any notice required or permitted hereunder shall be given in
accordance with the provisions set forth in Section 5.3 of the Option Agreement. 
 8. Further
Instruments. The parties agree to execute such further instruments and to take such further action as may be reasonably necessary to carry out the purposes and intent of this Agreement. 

 

									
	 ACCEPTED BY:
	 		 	 SUBMITTED BY:

	  
 CHEMOCENTRYX,
INC.
	 		 	  
 HOLDER

					
	 By:
	 	 	 		 	 By:
	 	 
	 Print Name:
	 	 	 		 	 Print Name:
	 	 
	 Title:
	 	 	 		 		 	
	 850 Maude Avenue
	 		 	 Address:
	 	 
	 Mountain View, CA 94043
	 		 	 

  
 102012 Employee Stock Purchase Plan

 Exhibit 10.4 
 CHEMOCENTRYX, INC. 
 2012 EMPLOYEE STOCK PURCHASE PLAN 

ARTICLE 1. 

PURPOSE 
 The purposes of this ChemoCentryx, Inc. 2012 Employee Stock Purchase Plan (as it may be amended or restated from time to time, the “Plan”) are to assist Eligible Employees of
ChemoCentryx, Inc., a Delaware corporation (the “Company”), and its Designated Subsidiaries in acquiring a stock ownership interest in the Company pursuant to a plan which is intended to qualify as an “employee stock
purchase plan” within the meaning of Section 423(b) of the Code, and to help Eligible Employees provide for their future security and to encourage them to remain in the employment of the Company and its Designated Subsidiaries. 

ARTICLE 2. 

DEFINITIONS AND CONSTRUCTION 
 Wherever the following terms are used in the Plan they shall have the meanings specified below, unless the context clearly indicates otherwise. The singular pronoun shall include the plural where the
context so indicates. Masculine, feminine and neuter pronouns are used interchangeably and each comprehends the others. 
 2.1 “Administrator” shall mean the entity that conducts the general administration of the Plan as provided in Article 11. The term “Administrator” shall refer to the
Committee unless the Board has assumed the authority for administration of the Plan generally as provided in Article 11. 
 2.2 “Applicable Law” shall mean any applicable law, including without limitation; (i) provisions of the Code, the Securities Act, the Exchange Act and any rules or regulations
thereunder; (ii) corporate, securities, tax or other laws, statutes, rules, requirements or regulations, whether federal, state, local or foreign; and (iii) rules of any securities exchange or automated quotation system on which the Shares
are listed, quoted or traded. 
 2.3 “Board” shall mean the Board of Directors of the
Company. 
 2.4 “Change in Control” shall mean and include each of the following:

 (a) A transaction or series of transactions (other than an offering of Common Stock to the general public
through a registration statement filed with the Securities and Exchange Commission) whereby any “person” or related “group” of “persons” (as such terms are used in Sections 13(d) and 14(d)(2) of the Exchange Act) (other
than the Company, any of its Subsidiaries, an employee benefit plan maintained by the Company or any of its Subsidiaries or a “person” that, prior to such transaction, directly or indirectly controls, is controlled by, or is under common
control with, the Company) directly or indirectly acquires beneficial ownership (within the meaning of Rule 13d-3 under the Exchange Act) of securities of the Company possessing more than 50% of the total combined voting power of the Company’s
securities outstanding immediately after such acquisition; or 
 (b) During any period of two consecutive years,
individuals who, at the beginning of such period, constitute the Board together with any new director(s) (other than a director designated by a 

 
person who shall have entered into an agreement with the Company to effect a transaction described in Section 2.4(a) or 2.4(c)) whose election by the Board or nomination for election by the
Company’s stockholders was approved by a vote of at least two-thirds of the directors then still in office who either were directors at the beginning of the two year period or whose election or nomination for election was previously so
approved, cease for any reason to constitute a majority thereof; or 
 (c) The consummation by the Company
(whether directly involving the Company or indirectly involving the Company through one or more intermediaries) of (x) a merger, consolidation, reorganization, or business combination or (y) a sale or other disposition of all or
substantially all of the Company’s assets in any single transaction or series of related transactions or (z) the acquisition of assets or stock of another entity, in each case other than a transaction: 

(i) that results in the Company’s voting securities outstanding immediately before the transaction continuing to
represent (either by remaining outstanding or by being converted into voting securities of the Company or the person that, as a result of the transaction, controls, directly or indirectly, the Company or owns, directly or indirectly, all or
substantially all of the Company’s assets or otherwise succeeds to the business of the Company (the Company or such person, the “Successor Entity”)) directly or indirectly, at least a majority of the combined voting
power of the Successor Entity’s outstanding voting securities immediately after the transaction, and 

(ii) after which no person or group beneficially owns voting securities representing 50% or more of the combined voting
power of the Successor Entity; provided, however, that no person or group shall be treated for purposes of this clause (ii) as beneficially owning 50% or more of combined voting power of the Successor Entity solely
as a result of the voting power held in the Company prior to the consummation of the transaction; or 
 (d) The
Company’s stockholders approve a liquidation or dissolution of the Company. 
 The Administrator shall have
full and final authority to determine conclusively whether a Change in Control of the Company has occurred pursuant to the above definition, and the date of the occurrence of such Change in Control and any incidental matters relating thereto.

 2.5 “Code” shall mean the Internal Revenue Code of 1986, as amended from time to
time, together with the regulations and official guidance promulgated thereunder. 
 2.6
“Committee” shall mean the Compensation Committee of the Board, or another committee or subcommittee of the Board, appointed as provided in Section 11.1. 

2.7 “Common Stock” shall mean the common stock of the Company and such other securities of the
Company that may be substituted for Common Stock pursuant to Article 8. 
 2.8 “Company”
shall mean ChemoCentryx, Inc., a Delaware corporation. 
 2.9 “Compensation” of an
Eligible Employee shall mean the gross base compensation received by such Eligible Employee as compensation for services to the Company or any Designated Subsidiary, excluding overtime payments, sales commissions, incentive compensation, bonuses,
expense reimbursements, fringe benefits and other special payments. 
 2.10 “Designated
Subsidiary” shall mean any Subsidiary designated by the Administrator in accordance with Section 11.3(b). 

  
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 2.11 “Effective Date” shall have the meaning set
forth in Article 10. 
 2.12 “Eligible Employee” shall mean an Employee of the Company
or any Designated Subsidiary : (a) who does not, immediately after any rights under this Plan are granted, own (directly or through attribution) stock possessing 5% or more of the total combined voting power or value of all classes of Stock or
other stock of the Company, a Parent or a Subsidiary (as determined under Section 423(b)(3) of the Code); (b) whose customary employment is for more than twenty hours per week; and (c) whose customary employment is for more than five
months in any calendar year. For purposes of the foregoing, the rules of Section 424(d) of the Code with regard to the attribution of stock ownership shall apply in determining the stock ownership of an individual, and stock that an Employee
may purchase under outstanding options shall be treated as stock owned by the Employee; provided, however, that the Administrator may provide in an Offering Document that an Employee of the Company or any Designated Subsidiary shall
not be eligible to participate in an Offering Period if: (i) such Employee is a highly compensated employee within the meaning of Section 423(b)(4)(D) of the Code; and/or (ii) such Employee has not met a service requirement designated
by the Administrator pursuant to Section 423(b)(4)(A) of the Code (which service requirement may not exceed two years), and/or (iii) such Employee is a citizen or resident of a foreign jurisdiction and the grant of a right to purchase
Stock under the Plan to such Employee would be prohibited under the laws of such foreign jurisdiction or the grant of an option to such Employee in compliance with the laws of such foreign jurisdiction would cause the Plan to violate the
requirements of Section 423 of the Code, as determined by the Administrator in its sole discretion; provided, further, that any exclusion in clauses (i), (ii) or (iii) shall be applied in an identical manner under each
Offering Period to all employees of the Company and all Designated Subsidiaries, in accordance with Treasury Regulation Section 1.423-2(e). For purposes of clause (a) above, the rules of Section 424(d) of the Code with regard to the
attribution of stock ownership shall apply in determining the stock ownership of an individual, and stock that an Employee may purchase under outstanding options shall be treated as stock owned by the Employee. 

2.13 “Employee” shall mean any officer or other employee (as defined in accordance with
Section 3401(c) of the Code) of the Company or any Designated Subsidiary. “Employee” shall not include any director of the Company or a Designated Subsidiary who does not render services to the Company or a Designated Subsidiary as an
employee within the meaning of Section 3401(c) of the Code. For purposes of the Plan, the employment relationship shall be treated as continuing intact while the individual is on sick leave or other leave of absence approved by the Company or
Designated Subsidiary and meeting the requirements of Treasury Regulation Section 1.421-1(h)(2) Where the period of leave exceeds three (3) months and the individual’s right to reemployment is not guaranteed either by statute or by
contract, the employment relationship shall be deemed to have terminated on the first day immediately following such three (3)-month period. 
 2.14 “Enrollment Date” shall mean the first Trading Day of each Offering Period. 
 2.15 “Exchange Act” shall mean the Securities Exchange Act of 1934, as amended from time to time. 

2.16 “Fair Market Value” means, as of any given date, the fair market value of a Share on the
date determined as follows (unless an alternative definition is approved by the Administrator and set forth in the applicable Award Agreement, in which case such definition shall apply to such Award): 

(a) If the Common Stock is listed on any (i) established securities exchange (such as the New York Stock Exchange,
the NASDAQ Global Market and the NASDAQ Global Select Market), (ii) national market system or (iii) automated quotation system on which the Common Stock is listed, quoted or traded, its Fair Market Value shall be the closing sales price
for a Share as quoted on such 

  
 3 

 
exchange or system for such date or, if there is no closing sales price for a Share on the date in question, the closing sales price for a Share on the last preceding date for which such
quotation exists, as reported in The Wall Street Journal or such other source as the Administrator deems reliable; 
 (b) If the Common Stock is not listed on an established securities exchange, national market system or automated quotation system, but the Common Stock is regularly quoted by a recognized securities
dealer, its Fair Market Value shall be the mean of the high bid and low asked prices for such date or, if there are no high bid and low asked prices for a Share on such date, the high bid and low asked prices for a Share on the last preceding date
for which such information exists, as reported in The Wall Street Journal or such other source as the Administrator deems reliable; or 
 (c) If the Common Stock is neither listed on an established securities exchange, national market system or automated quotation system nor regularly quoted by a recognized securities dealer, its Fair
Market Value shall be established by the Administrator in good faith, as of any given date, the fair market value of a Share on the date determined by such methods or procedures as may be established from time to time by the Administrator.

 2.17 “Offering Document” shall have the meaning given to such term in
Section 4.1. 
 2.18 “Offering Period” shall mean each Offering Period designated
by the Administrator in the applicable Offering Document pursuant to Section 4.1. 
 2.19
“Parent” shall mean any corporation, other than the Company, in an unbroken chain of corporations ending with the Company if, at the time of the determination, each of the corporations other than the Company owns stock
possessing 50% or more of the total combined voting power of all classes of stock in one of the other corporations in such chain. 
 2.20 “Participant” shall mean any Eligible Employee who has executed a subscription agreement and been granted rights to purchase Common Stock pursuant to the Plan. 

2.21 “Plan” shall mean this ChemoCentryx, Inc. 2012 Employee Stock Purchase Plan, as it may be
amended from time to time. 
 2.22 “Purchase Date” shall mean the last Trading Day of
each Offering Period. 
 2.23 “Purchase Price” shall mean the purchase price designated
by the Administrator in the applicable Offering Document (which purchase price shall not be less than 85% of the Fair Market Value of a Share on the Enrollment Date or on the Purchase Date, whichever is lower); provided, however, that,
in the event no purchase price is designated by the Administrator in the applicable Offering Document, the purchase price for the Offering Periods covered by such Offering Document shall be 85% of the Fair Market Value of a Share on the Enrollment
Date or on the Purchase Date, whichever is lower; provided, further, that the Purchase Price may be adjusted by the Administrator pursuant to Article 8; provided, further, that the Purchase Price shall not be less than
the par value of a Share. 
 2.24 “Securities Act” shall mean the Securities Act of
1933, as amended from time to time. 
 2.25 “Share” shall mean a share of Common Stock.

 2.26 “Subsidiary” shall mean any corporation, other than the Company, in an unbroken
chain of corporations beginning with the Company if, at the time of the determination, each of the corporations other than the last corporation in an unbroken chain owns stock possessing 50% or more of the total

  
 4 

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

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

 ARTICLE 3. 
 SHARES SUBJECT TO THE PLAN 
 3.1
Number of Shares. Subject to Article 8, the aggregate number of Shares that may be issued pursuant to rights granted under the Plan shall be 300,0001 shares. In addition to the foregoing, subject to Article 8, commencing on the first January 1 following the
Effective Date, and on each January 1 thereafter during the initial 10-year term of the Plan, the number of Shares that shall be made available for sale under the Plan shall be increased by that number of Shares equal to the least of
(a) 1% of the Company’s outstanding shares on such date, (b) 300,0001 shares, or (c) a lesser amount determined by the Board. If any right granted under the Plan shall for any reason terminate without having been exercised, the Common Stock not purchased under such
right shall again become available for the Plan. Notwithstanding anything in this Section 3.1 to the contrary, the number of Shares that may be issued or transferred pursuant to rights granted under the Plan shall not exceed an aggregate of
3,300,0001 shares, subject to Article 8. 

3.2 Stock Distributed. Any Common Stock distributed pursuant to the Plan may consist, in whole or in part, of
authorized and unissued Common Stock, treasury stock or Common Stock purchased on the open market. 
 ARTICLE 4.

 OFFERING PERIODS; OFFERING DOCUMENTS; PURCHASE DATES 

4.1 Offering Periods. The Administrator may from time to time grant or provide for the grant of rights to purchase
Common Stock of the Company under the Plan to Eligible Employees during one or more periods (each, an “Offering Period”) selected by the Administrator commencing on such dates (each, an “Enrollment
Date”) selected by the Administrator. The terms and conditions applicable to each Offering Period shall be set forth in an “Offering Document” adopted by the Administrator, which Offering Document shall be in
such form and shall contain such terms and conditions as the Administrator shall deem appropriate and shall be incorporated by reference into and made part of the Plan and shall be attached hereto as part of the Plan. The provisions of separate
Offering Periods under the Plan need not be identical. 
 4.2 Offering Documents. Each Offering Document
with respect to an Offering Period shall specify (through incorporation of the provisions of this Plan by reference or otherwise): 
 (a) the length of the Offering Period, which period shall not exceed twenty-seven months; 
  

 

	
1 
	 Note that the share numbers reflected in this Plan give effect to the 1:2 reverse stock split that will be implemented in connection with the
initial public offering of the Company. 

  
 5 

 (b) the maximum number of shares that may be purchased
by any Eligible Employee during such Offering Period, which, in the absence of a contrary designation by the Administrator, shall be 20,0002 shares; 
 (c) such other provisions as the Administrator determines are appropriate, subject to the Plan. 
 ARTICLE 5. 
 ELIGIBILITY AND PARTICIPATION 

5.1 Eligibility. Any Eligible Employee who shall be employed by the Company or a Designated Subsidiary on the day
immediately preceding a given Enrollment Date for an Offering Period shall be eligible to participate in the Plan during such Offering Period, subject to the requirements of this Article 5 and the limitations imposed by Section 423(b) of the
Code and the Treasury Regulations thereunder. 
 5.2 Enrollment in Plan. 

(a) Except as otherwise set forth in Section 5.8 or in an Offering Document, an Eligible Employee may become a
Participant in the Plan for an Offering Period by delivering a subscription agreement to the Company by such time prior to the Enrollment Date for such Offering Period (or such other date specified in the Offering Document) designated by the
Administrator and in such form as the Administrator provides. 
 (b) Each such agreement shall designate a whole
percentage of such Eligible Employee’s Compensation to be withheld by the Company or the Designated Subsidiary employing such Eligible Employee on each payday during the Offering Period as payroll deductions under the Plan. An Eligible Employee
may designate any whole percentage of Compensation that is not less than 1% and not more than the maximum percentage specified by the Administrator in the applicable Offering Document (which percentage shall be 15% in the absence of any such
designation) as payroll deductions. The payroll deductions made for each Participant shall be credited to an account for such Participant under the Plan and shall be deposited with the general funds of the Company. 

(c) A Participant may increase or decrease the percentage of Compensation designated in his or her subscription
agreement, subject to the limits of this Section 5.2, or may suspend his or her payroll deductions, at any time during an Offering Period; provided, however, that the Administrator may limit the number of changes a Participant may
make to his or her payroll deduction elections during each Offering Period in the applicable Offering Document (and in the absence of any specific designation by the Administrator, a Participant shall be allowed two changes to his or her payroll
deduction elections during each Offering Period). Any such change or suspension of payroll deductions shall be effective with the first full payroll period following five business days after the Company’s receipt of the new subscription
agreement (or such shorter or longer period as may be specified by the Administrator in the applicable Offering Document). In the event a Participant suspends his or her payroll deductions, such Participant’s cumulative payroll deductions prior
to the suspension shall remain in his or her account and shall be applied to the purchase of Shares on the next occurring Purchase Date and shall not be paid to such Participant unless he or she withdraws from participation in the Plan pursuant to
Article 7. 
  
  

	
2 
	 Note that the share numbers reflected in this Plan give effect to the 1:2 reverse stock split that will be implemented in connection with the
initial public offering of the Company. 

  
 6 

 (d) Except as otherwise set forth in an Offering Document, a Participant may
participate in the Plan only by means of payroll deduction and may not make contributions by lump sum payment for any Offering Period. 
 5.3 Payroll Deductions. Except as otherwise provided in the applicable Offering Document, payroll deductions for a Participant shall commence on the first payroll following the Enrollment Date and
shall end on the last payroll in the Offering Period to which his or her authorization is applicable, unless sooner terminated by the Participant as provided in Article 8. 

5.4 Effect of Enrollment. A Participant’s completion of a subscription agreement will enroll such Participant
in the Plan for each subsequent Offering Period on the terms contained therein until the Participant either submits a new subscription agreement, withdraws from participation under the Plan as provided in Article 7 or otherwise becomes ineligible to
participate in the Plan. 
 5.5 Limitation on Purchase of Common Stock. An Eligible Employee may be
granted rights under the Plan only if such rights, together with any other rights granted to such Eligible Employee under “employee stock purchase plans” of the Company, any Parent or any Subsidiary, as specified by Section 423(b)(8)
of the Code, do not permit such employee’s rights to purchase stock of the Company or any Parent or Subsidiary to accrue at a rate that exceeds $25,000 of fair market value of such stock (determined as of the first day of the Offering Period
during which such rights are granted) for each calendar year in which such rights are outstanding at any time. This limitation shall be applied in accordance with Section 423(b)(8) of the Code. 

5.6 Decrease or Suspension of Payroll Deductions. Notwithstanding the foregoing, to the extent necessary to comply
with Section 423(b)(8) of the Code and Section 5.5 or the other limitations set forth in this Plan, a Participant’s payroll deductions may be suspended by the Administrator at any time during an Offering Period. The balance of the
amount credited to the account of each Participant that has not been applied to the purchase of Shares by reason of Section 423(b)(8) of the Code, Section 5.5 or the other limitations set forth in this Plan shall be paid to such
Participant in one lump sum in cash as soon as reasonably practicable after the Purchase Date. 
 5.7 Foreign
Employees. In order to facilitate participation in the Plan, the Administrator may provide for such special terms applicable to Participants who are citizens or residents of a foreign jurisdiction, or who are employed by a Designated Subsidiary
outside of the United States, as the Administrator may consider necessary or appropriate to accommodate differences in local law, tax policy or custom. Such special terms may not be more favorable than the terms of rights granted under the Plan to
Eligible Employees who are residents of the United States. Moreover, the Administrator may approve such supplements to, or amendments, restatements or alternative versions of, this Plan as it may consider necessary or appropriate for such purposes
without thereby affecting the terms of this Plan as in effect for any other purpose. No such special terms, supplements, amendments or restatements shall include any provisions that are inconsistent with the terms of this Plan as then in effect
unless this Plan could have been amended to eliminate such inconsistency without further approval by the stockholders of the Company. 
 5.8 Leave of Absence. During leaves of absence approved by the Company meeting the requirements of Treasury Regulation Section 1.421-1(h)(2) under the Code, a Participant may continue
participation in the Plan by making cash payments to the Company on his or her normal payday equal to his or her authorized payroll deduction. 
 ARTICLE 6. 

  
 7 

 
GRANT AND EXERCISE OF RIGHTS 
 6.1 Grant of
Rights. On the Enrollment Date of each Offering Period, each Eligible Employee participating in such Offering Period shall be granted a right to purchase the maximum number of Shares specified under Section 4.2(b), subject to the limits in
Section 5.5, and shall have the right to buy, on each Purchase Date during such Offering Period (at the applicable Purchase Price), such number of shares of the Company’s Common Stock as is determined by dividing (a) such
Participant’s payroll deductions accumulated prior to such Purchase Date and retained in the Participant’s account as of the Purchase Date, by (b) the applicable Purchase Price. The right shall expire on the last day of the Offering
Period. 
 6.2 Exercise of Rights. On each Purchase Date, each Participant’s accumulated payroll
deductions and any other additional payments specifically provided for in the applicable Offering Document will be applied to the purchase of whole Shares of the Company, up to the maximum number of shares permitted pursuant to the terms of the Plan
and the applicable Offering Document, at the Purchase Price. No fractional shares shall be issued upon the exercise of rights granted under the Plan, unless the Offering Document specifically provides otherwise. Any cash in lieu of fractional Shares
remaining after the purchase of whole Shares upon exercise of a purchase right will be credited to a Participant’s account and carried forward and applied toward the purchase of whole Shares for the next following Offering Period. Shares issued
pursuant to the Plan may be evidenced in such manner as the Administrator may determine and may be issued in certificated form or issued pursuant to book-entry procedures. 

6.3 Pro Rata Allocation of Shares. If the Administrator determines that, on a given Purchase Date, the number of
Shares with respect to which rights are to be exercised may exceed (a) the number of Shares that were available for issuance under the Plan on the Enrollment Date of the applicable Offering Period, or (b) the number of Shares available for
issuance under the Plan on such Purchase Date, the Administrator may in its sole discretion provide that the Company shall make a pro rata allocation of the Shares available for purchase on such Enrollment Date or Purchase Date, as applicable, in as
uniform a manner as shall be practicable and as it shall determine in its sole discretion to be equitable among all Participants for whom rights to purchase Common Stock are to be exercised pursuant to this Article 6 on such Purchase Date, and shall
either (a) continue all Offering Periods then in effect, or (b) terminate any or all Offering Periods then in effect pursuant to Article 9. The Company may make pro rata allocation of the shares available on the Enrollment Date of any
applicable Offering Period pursuant to the preceding sentence, notwithstanding any authorization of additional shares for issuance under the Plan by the Company’s stockholders subsequent to such Enrollment Date. The balance of the amount
credited to the account of each Participant that has not been applied to the purchase of Shares shall be paid to such Participant in one lump sum in cash as soon as reasonably practicable after the Purchase Date. 

6.4 Withholding. At the time a Participant’s rights under the Plan are exercised, in whole or in part, or at
the time some or all of the Common Stock issued under the Plan is disposed of, the Participant must make adequate provision for the Company’s federal, state, or other tax withholding obligations, if any, that arise upon the exercise of the
right or the disposition of the Common Stock. At any time, the Company may, but shall not be obligated to, withhold from the Participant’s compensation the amount necessary for the Company to meet applicable withholding obligations, including
any withholding required to make available to the Company any tax deductions or benefits attributable to sale or early disposition of Common Stock by the Participant. 

6.5 Conditions to Issuance of Common Stock. The Company shall not be required to issue or deliver any certificate
or certificates for, or make any book entries evidencing, Shares purchased upon the exercise of rights under the Plan prior to fulfillment of all of the following conditions: 

  
 8 

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

(d) The payment to the Company of all amounts that it is required to withhold under federal, state or local law upon
exercise of the rights, if any; and 
 (e) The lapse of such reasonable period of time following the exercise of
the rights as the Administrator may from time to time establish for reasons of administrative convenience. 
 ARTICLE 7.

 WITHDRAWAL; TERMINATION OF EMPLOYMENT OR ELIGIBILITY 

7.1 Withdrawal. A Participant may withdraw all but not less than all of the payroll deductions credited to his or
her account and not yet used to exercise his or her rights under the Plan at any time by giving written notice to the Company in a form acceptable to the Administrator no later than one week prior to the end of the Offering Period. All of the
Participant’s payroll deductions credited to his or her account during an Offering Period shall be paid to such Participant as soon as reasonably practicable after receipt of notice of withdrawal and such Participant’s rights for the
Offering Period shall be automatically terminated, and no further payroll deductions for the purchase of shares shall be made for such Offering Period. If a Participant withdraws from an Offering Period, payroll deductions shall not resume at the
beginning of the next Offering Period unless the Participant delivers to the Company a new subscription agreement. 
 7.2 Future Participation. A Participant’s withdrawal from an Offering Period shall not have any effect upon his or her eligibility to participate in any similar plan that may hereafter be
adopted by the Company or a Designated Subsidiary or in subsequent Offering Periods that commence after the termination of the Offering Period from which the Participant withdraws. 

7.3 Cessation of Eligibility. Upon a Participant’s ceasing to be an Eligible Employee for any reason, he or
she shall be deemed to have elected to withdraw from the Plan pursuant to this Article 7 and the payroll deductions credited to such Participant’s account during the Offering Period shall be paid to such Participant or, in the case of his or
her death, to the person or persons entitled thereto under Section 12.4, as soon as reasonably practicable, and such Participant’s rights for the Offering Period shall be automatically terminated. 

ARTICLE 8. 

ADJUSTMENTS UPON CHANGES IN STOCK 
 8.1 Changes in Capitalization. Subject to Section 8.3, in the event of any stock dividend, stock split, combination or exchange of shares, merger, consolidation, spin-off, recapitalization,

  
 9 

 
distribution of Company assets to stockholders (other than normal cash dividends), or any other corporate event affecting the Common Stock or the share price of the Common Stock, the
Administrator may make such proportionate adjustments, if any, as the Administrator in its discretion may deem appropriate to reflect such change with respect to (a) the aggregate number and type of Shares (or other securities or property) that
may be issued under the Plan (including, but not limited to, adjustments of the limitations in Section 3.1 and the limitations established in each Offering Document pursuant to Section 4.2 on the maximum number of Shares that may be
purchased); (b) the class(es) and number of shares and price per Share subject to outstanding rights; and (c) the Purchase Price with respect to any outstanding rights. 

8.2 Other Adjustments. Subject to Section 8.3, in the event of any transaction or event described in
Section 8.1 or any unusual or nonrecurring transactions or events affecting the Company, any affiliate of the Company, or the financial statements of the Company or any affiliate (including without limitation any Change in Control), or of
changes in Applicable Law, and whenever the Administrator determines that such action is appropriate in order to prevent the dilution or enlargement of the benefits or potential benefits intended to be made available under the Plan or with respect
to any right under the Plan, to facilitate such transactions or events or to give effect to such changes in laws, regulations or principles, the Administrator, in its sole discretion and on such terms and conditions as it deems appropriate, is
hereby authorized to take any one or more of the following actions: 
 (a) To provide for either
(i) termination of any outstanding right in exchange for an amount of cash, if any, equal to the amount that would have been obtained upon the exercise of such right had such right been currently exercisable or (ii) the replacement of such
outstanding right with other rights or property selected by the Administrator in its sole discretion; 
 (b) To
provide that the outstanding rights under the Plan shall be assumed by the successor or survivor corporation, or a parent or subsidiary thereof, or shall be substituted for by similar rights covering the stock of the successor or survivor
corporation, or a parent or subsidiary thereof, with appropriate adjustments as to the number and kind of shares and prices; and 
 (c) To make adjustments in the number and type of Shares (or other securities or property) subject to outstanding rights under the Plan and/or in the terms and conditions of outstanding rights and rights
that may be granted in the future; 
 (d) To provide that Participants’ accumulated payroll deductions may
be used to purchase Common Stock prior to the next occurring Purchase Date on such date as the Administrator determines in its sole discretion and the Participants’ rights under the ongoing Offering Period(s) terminated; and 

(e) To provide that all outstanding rights shall terminate without being exercised. 

8.3 No Adjustment Under Certain Circumstances. No adjustment or action described in this Article 8 or in any other
provision of the Plan shall be authorized to the extent that such adjustment or action would cause the Plan to fail to satisfy the requirements of Section 423 of the Code. 

8.4 No Other Rights. Except as expressly provided in the Plan, no Participant shall have any rights by reason of
any subdivision or consolidation of shares of stock of any class, the payment of any dividend, any increase or decrease in the number of shares of stock of any class or any dissolution, liquidation, merger, or consolidation of the Company or any
other corporation. Except as expressly provided in the Plan or pursuant to action of the Administrator under the Plan, no issuance by the Company of shares of stock of any class, or securities convertible into shares of stock of any class, shall

  
 10 

 
affect, and no adjustment by reason thereof shall be made with respect to, the number of Shares subject to an Award or the grant or exercise price of any Award. 

ARTICLE 9. 

AMENDMENT, MODIFICATION AND TERMINATION 
 9.1 Amendment, Modification and Termination. The Administrator may amend, suspend or terminate the Plan at any time and from time to time; provided, however, that approval by a
vote of the holders of the outstanding shares of the Company’s capital stock entitled to vote shall be required to amend the Plan to: (a) increase the aggregate number, or change the type, of shares that may be sold pursuant to rights
under the Plan under Section 3.1 (other than an adjustment as provided by Article 8); (b) change the corporations or classes of corporations whose employees may be granted rights under the Plan; or (c) change the Plan in any manner
that would cause the Plan to no longer be an “employee stock purchase plan” within the meaning of Section 423(b) of the Code. 
 9.2 Certain Changes to Plan. Without stockholder consent and without regard to whether any Participant rights may be considered to have been adversely affected, to the extent permitted by
Section 423 of the Code, the Administrator shall be entitled to change the Offering Periods, limit the frequency and/or number of changes in the amount withheld during an Offering Period, establish the exchange ratio applicable to amounts
withheld in a currency other than U.S. dollars, permit payroll withholding in excess of the amount designated by a Participant in order to adjust for delays or mistakes in the Company’s processing of properly completed withholding elections,
establish reasonable waiting and adjustment periods and/or accounting and crediting procedures to ensure that amounts applied toward the purchase of Common Stock for each Participant properly correspond with amounts withheld from the
Participant’s Compensation, and establish such other limitations or procedures as the Administrator determines in its sole discretion advisable that are consistent with the Plan. 

9.3 Actions In the Event of Unfavorable Financial Accounting Consequences. In the event the Administrator
determines that the ongoing operation of the Plan may result in unfavorable financial accounting consequences, the Administrator may, in its discretion and, to the extent necessary or desirable, modify or amend the Plan to reduce or eliminate such
accounting consequence including, but not limited to: 
 (a) altering the Purchase Price for any Offering Period
including an Offering Period underway at the time of the change in Purchase Price; 
 (b) shortening any
Offering Period so that the Offering Period ends on a new Purchase Date, including an Offering Period underway at the time of the Administrator action; and 
 (c) allocating Shares. 
 Such modifications or amendments shall
not require stockholder approval or the consent of any Participant. 
 9.4 Payments Upon Termination of
Plan. Upon termination of the Plan, the balance in each Participant’s Plan account shall be refunded as soon as practicable after such termination, without any interest thereon. 

  
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 ARTICLE 10. 
 TERM OF PLAN 
 The Plan shall be effective on the business
day immediately preceding the date on which the Registration Statement filed with respect to the Plan becomes effective (the “Effective Date”). The effectiveness of the Plan shall be subject to approval of the Plan by the
stockholders of the Company within twelve months following the date the Plan is first approved by the Board. No right may be granted under the Plan prior to such stockholder approval. The Plan shall be in effect until the tenth anniversary of the
date this Plan is first approved by the Board, unless sooner terminated under Article 9. No rights may be granted under the Plan during any period of suspension of the Plan or after termination of the Plan. 

ARTICLE 11. 
 ADMINISTRATION 
 11.1 Administrator. The
Administrator of the Plan shall be the Compensation Committee of the Board (or another committee or a subcommittee of the Board to which the Board delegates administration of the Plan) (such committee, the “Committee”), which
Committee shall consist solely of two or more members of the Board each of whom is a “non-employee director” within the meaning of Rule 16b-3 which has been adopted by the Securities and Exchange Commission under the Exchange Act and which
Committee is otherwise constituted to comply with Applicable Law. The Board may abolish the Committee at any time and vest in the Board the administration of the Plan. 

11.2 Action by the Administrator. A majority of the Administrator shall constitute a quorum. The acts of a
majority of the members present at any meeting at which a quorum is present, and, subject to Applicable Law and the Bylaws of the Company, acts approved in writing by a majority of the Administrator in lieu of a meeting, shall be deemed the acts of
the Administrator. Each member of the Administrator is entitled to, in good faith, rely or act upon any report or other information furnished to that member by any officer or other employee of the Company or any Designated Subsidiary, the
Company’s independent certified public accountants, or any executive compensation consultant or other professional retained by the Company to assist in the administration of the Plan. 

11.3 Authority of Administrator. The Administrator shall have the power, subject to, and within the limitations
of, the express provisions of the Plan: 
 (a) To determine when and how rights to purchase Common Stock shall
be granted and the provisions of each offering of such rights (which need not be identical). 
 (b) To designate
from time to time which Subsidiaries of the Company shall be Designated Subsidiaries, which designation may be made without the approval of the stockholders of the Company. 

(c) To construe and interpret the Plan and rights granted under it, and to establish, amend and revoke rules and
regulations for its administration. The Administrator, in the exercise of this power, may correct any defect, omission or inconsistency in the Plan, in a manner and to the extent it shall deem necessary or expedient to make the Plan fully effective.

 (d) To amend the Plan as provided in Article 9. 

  
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 (e) Generally, to exercise such powers and to perform such acts as the
Administrator deems necessary or expedient to promote the best interests of the Company and its Subsidiaries and to carry out the intent that the Plan be treated as an “employee stock purchase plan” within the meaning of Section 423
of the Code. 
 11.4 Decisions Binding. The Administrator’s interpretation of the Plan, any rights
granted pursuant to the Plan, any subscription agreement and all decisions and determinations by the Administrator with respect to the Plan are final, binding, and conclusive on all parties. 

ARTICLE 12. 
 MISCELLANEOUS 
 12.1 Restriction upon Assignment. A
right granted under the Plan shall not be transferable other than by will or the applicable laws of descent and distribution, and is exercisable during the Participant’s lifetime only by the Participant. Except as provided in Section 12.4
hereof, a right under the Plan may not be exercised to any extent except by the Participant. The Company shall not recognize and shall be under no duty to recognize any assignment or alienation of the Participant’s interest in the Plan, the
Participant’s rights under the Plan or any rights thereunder. 
 12.2 Rights as a Stockholder. With
respect to Shares subject to a right granted under the Plan, a Participant shall not be deemed to be a stockholder of the Company, and the Participant shall not have any of the rights or privileges of a stockholder, until such shares have been
issued to the Participant or his or her nominee following exercise of the Participant’s rights under the Plan. No adjustments shall be made for dividends (ordinary or extraordinary, whether in cash securities, or other property) or distribution
or other rights for which the record date occurs prior to the date of such issuance, except as otherwise expressly provided herein. 
 12.3 Interest. No interest shall accrue on the payroll deductions or lump sum contributions of a Participant under the Plan. 

12.4 Designation of Beneficiary. 

(a) A Participant may, in the manner determined by the Administrator, file a written designation of a beneficiary who is
to receive any shares and cash, if any, from the Participant’s account under the Plan in the event of such Participant’s death subsequent to a Purchase Date on which the Participant’s rights are exercised but prior to delivery to such
Participant of such shares and cash. In addition, a Participant may file a written designation of a beneficiary who is to receive any cash from the Participant’s account under the Plan in the event of such Participant’s death prior to
exercise of the Participant’s rights under the Plan. If the Participant is married and resides in a community property state, a designation of a person other than the Participant’s spouse as his or her beneficiary shall not be effective
without the prior written consent of the Participant’s spouse. 
 (b) Such designation of beneficiary may
be changed by the Participant at any time by written notice to the Company. In the event of the death of a Participant and in the absence of a beneficiary validly designated under the Plan who is living at the time of such Participant’s death,
the Company shall deliver such shares and/or cash to the executor or administrator of the estate of the Participant, or if no such executor or administrator has been appointed (to the knowledge of the Company), the Company, in its discretion, may
deliver such shares and/or cash to the spouse or to any one or more dependents or relatives of the Participant, or if no spouse, dependent or relative is known to the Company, then to such other person as the Company may designate. 

  
 13 

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

12.6 Equal Rights and Privileges. Subject to Section 5.7, all Eligible Employees of the Company or any
Designated Subsidiary will have equal rights and privileges under this Plan so that this Plan qualifies as an “employee stock purchase plan” within the meaning of Section 423 of the Code. Subject to Section 5.7, any provision of
this Plan that is inconsistent with Section 423 of the Code will, without further act or amendment by the Company, the Board or the Administrator, be reformed to comply with the equal rights and privileges requirement of Section 423 of the
Code. 
 12.7 Use of Funds. All payroll deductions received or held by the Company under the Plan may be
used by the Company for any corporate purpose, and the Company shall not be obligated to segregate such payroll deductions. 
 12.8 Reports. Statements of account shall be given to participating Employees at least annually, which statements shall set forth the amounts of payroll deductions, the Purchase Price, the number
of shares purchased and the remaining cash balance, if any. 
 12.9 No Employment Rights. Nothing in the
Plan shall be construed to give any person (including any Eligible Employee or Participant) the right to remain in the employ of the Company or any Parent or Subsidiary or to affect the right of the Company or any Parent or Subsidiary to terminate
the employment of any person (including any Eligible Employee or Participant) at any time, with or without cause. 
 12.10 Notice of Disposition of Shares. Each Participant shall give prompt notice to the Company of any disposition or other transfer of any shares of stock purchased upon exercise of a right under
the Plan if such disposition or transfer is made: (a) within two years from the Enrollment Date of the Offering Period in which the shares were purchased or (b) within one year after the Purchase Date on which such shares were purchased.
Such notice shall specify the date of such disposition or other transfer and the amount realized, in cash, other property, assumption of indebtedness or other consideration, by the Participant in such disposition or other transfer. 

12.11 Governing Law. The Plan and any agreements hereunder shall be administered, interpreted and enforced under
the internal laws of the State of Delaware without regard to conflicts of laws thereof or of any other jurisdiction. 
 12.12 Electronic Forms. To the extent permitted by applicable state law and in the discretion of the Administrator, an Eligible Employee may submit any form or notice as set forth herein by means
of an electronic form approved by the Administrator. Before the commencement of an Offering Period, the Administrator shall prescribe the time limits within which any such electronic form shall be submitted to the Administrator with respect to such
Offering Period in order to be a valid election. 

  
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 * * * * * 

I hereby certify that the foregoing Plan was duly adopted by the Board of Directors of ChemoCentryx, Inc. on
                                 ,
201        . 
 * * * * * 

I hereby certify that the foregoing Plan was approved by the stockholders of ChemoCentryx, Inc. on
                                 , 201__. 

Executed on this              day of
                                 , 201__. 

 

	
	
	  
	Corporate Secretary

  
 15

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