Document:

Amendment No. 1 to Consulting Agreement

 Exhibit 10.1 
 AMENDMENT NO. 1 TO CONSULTING AGREEMENT 
 This Amendment No. 1 to the Consulting
Agreement between Jacobs Engineering Group Inc. (“Jacobs”) and Noel G. Watson (“Mr. Watson”) dated July 1, 2010 is made effective July 1, 2011. 
 WHEREAS, the Consulting Agreement provides for a term of one (1) year and is renewable for additional periods by mutual agreement of the parties; and 

WHEREAS, Mr. Watson and Jacobs have agreed to renew the Consulting Agreement for an additional two year period to June 30, 2013.

 NOW THEREFORE, in consideration of the valuable promises and the agreements contained herein, it is agreed as follows: 

 

	 	1.	The Consulting Agreement shall be extended through June 30, 2013. 

  

	 	2.	All other terms and conditions of the Consulting Agreement shall remain unmodified and in full force and effect. 

IN WITNESS WHEREOF, the parties hereto have executed this Amendment No. 1 as of the day and year first above written. 

 

									
	NOEL G. WATSON	 		  	JACOBS ENGINEERING GROUP INC.

					
	 /s/ Noel G. Watson
	 		  		  	By:	 	 /s/ Craig L. Martin

		 		  		  	Craig L. Martin, President & CEOAmended and Restated 2006 Equity Incentive Plan

 Exhibit 10.1 
 QUESTCOR PHARMACEUTICALS, INC. 
 2006 EQUITY INCENTIVE AWARD PLAN

 ARTICLE I 
 PURPOSE 
 The purpose of the Questcor Pharmaceuticals, Inc. 2006 Equity Incentive
Award Plan (the “Plan”) is to promote the success and enhance the value of Questcor Pharmaceuticals, Inc., a California corporation (the “Company”), by linking the personal interests of the members of the Board,
Employees, and Consultants to those of Company shareholders and by providing such individuals with an incentive for performance to generate returns to Company shareholders. 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. 

ARTICLE II 

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. 
 2.1 “Administrator” means the entity that conducts the general administration of the
Plan as provided herein. With reference to the administration of the Plan with respect to Awards granted to Independent Directors, the term “Administrator” shall refer to the Board. With reference to the administration of the Plan
with respect to any other Award, the term “Administrator” shall refer to the Committee unless the Board has assumed the authority for administration of the Plan generally as provided in Section 13.1. With reference to the duties of
the Committee under the Plan which have been delegated to one or more persons pursuant to Section 13.5, the term “Administrator” shall refer to such person(s) unless the Committee or the Board has revoked such delegation.

 2.2 “Award” means an Option, a Restricted Stock award, a Stock Appreciation Right award, a Dividend
Equivalents award, a Stock Payment award, a Restricted Stock Unit award or a Performance-Based Award granted to a Participant pursuant to the Plan. 
 2.3 “Award Agreement” means any written or electronic agreement, contract, or other instrument or document evidencing an Award. 

2.4 “Board” means the Board of Directors of the Company. 

2.5 “Cause,” unless otherwise defined in an employment or services agreement between the Participant and the Company or
any Parent or Subsidiary or Successor Entity, means: 
 (a) a Participant’s conviction or no contest plea to a felony, or a
crime involving moral turpitude, under any federal or state criminal law; 

 (b) the commission of a fraud by a Participant against the Company or any Parent or
Subsidiary or Successor Entity; 
 (c) with respect to a Participant who is an Employee, the repeated, unexplained or
unjustified absence by an Employee from the Company or any Parent or Subsidiary or Successor Entity; or 
 (d) the gross
negligence or willful misconduct of a Participant where such gross negligence or willful misconduct has resulted or is likely to result in substantial and material damage to the Company or any Parent or Subsidiary or Successor Entity. 

The existence of “Cause” shall be determined by the Administrator, in its sole discretion. The foregoing definition
shall not in any way preclude or restrict the right of the Company or any Parent or Subsidiary or Successor Entity to discharge or dismiss any Participant or other person in the service of the Company or any Parent or Subsidiary or Successor Entity
for any other acts or omissions, but such other acts or omissions shall not be deemed, for purposes of the Plan, to constitute grounds for termination for Cause. 
 2.6 “Change in Control” means and includes each of the following: 

(a) the acquisition, directly or indirectly, by any “person” or “group” (as those terms are defined in
Sections 3(a)(9), 13(d) and 14(d) of the Exchange Act and the rules thereunder) of “beneficial ownership” (as determined pursuant to Rule 13d-3 under the Exchange Act) of securities entitled to vote generally in the election of
directors (“voting securities”) of the Company that represent 50% or more of the combined voting power of the Company’s then outstanding voting securities, other than: 

(i) an acquisition by a trustee or other fiduciary holding securities under any employee benefit plan (or related trust) sponsored or
maintained by the Company or any person controlled by the Company or by any employee benefit plan (or related trust) sponsored or maintained by the Company or any person controlled by the Company, or 

(ii) an acquisition of voting securities by the Company or a corporation owned, directly or indirectly by the shareholders of the
Company in substantially the same proportions as their ownership of the stock of the Company. 
 (b) individuals who, as of the
Effective Date, constitute the Board together with any new director(s) whose appointment or election by the Board or nomination for election by the Company’s shareholders was approved by a vote of at a majority of the directors then still in
office who either were directors on the Effective Date or whose election or nomination for election was previously so approved (other than any director designated by a person who shall have entered into an agreement with the Company to effect a
transaction described in Section 2.6(a) or Section 2.6(c)), cease for any reason to constitute a majority thereof; 

(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 each case other than a transaction which results in the
Company’s voting securities outstanding immediately before the transaction continuing to represent 

  
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(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 
 (d) the liquidation or dissolution of the Company. 
 For purposes of
subsection (a) above, the calculation of voting power shall be made as if the date of the acquisition were a record date for a vote of the Company’s shareholders, and for purposes of subsection (c) above, the calculation of voting
power shall be made as if the date of the consummation of the transaction were a record date for a vote of the Company’s shareholders. 
 The Administrator shall have full and final authority, which shall be exercised in its discretion, 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. 
 2.7
“Code” means the Internal Revenue Code of 1986, as amended from time to time, and the regulations issued thereunder. 
 2.8 “Committee” means the committee of the Board described in Article 13. 
 2.9 “Consultant” means any consultant or adviser if: 
 (a) The
consultant or adviser renders bona fide services to the Company or any Parent or Subsidiary; 
 (b) The services rendered by the
consultant or adviser are not in connection with the offer or sale of securities in a capital-raising transaction and do not directly or indirectly promote or maintain a market for the Company’s securities; and 

(c) The consultant or adviser is a natural person who has contracted directly with the Company or any Parent or Subsidiary to render such
services. 
 2.10 “Covered Employee” means an Employee who is, or is likely to become, a “covered
employee” within the meaning of Section 162(m)(3) of the Code. 
 2.11 “Disability” means a permanent
and total disability within the meaning of Section 22(e)(3) of the Code, as it may be amended from time to time. 
 2.12
“Dividend Equivalents” means a right granted to a Participant pursuant to Article 8 to receive the equivalent value (in cash or Stock) of dividends paid on Stock. 

2.13 “Effective Date” has the meaning set forth in Section 14.1. 

2.14 “Eligible Individual” means any person who is a member of the Board, a Consultant or an Employee, as determined by
the Administrator. 

  
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 2.15 “Employee” means any officer or other employee (as defined in
accordance with Section 3401(c) of the Code) of the Company or any Parent or Subsidiary. 
 2.16 “Exchange
Act” means the Securities Exchange Act of 1934, as amended from time to time. 
 2.17 “Expiration
Date” has the meaning set forth in Section 14.2. 
 2.18 “Fair Market Value” means, as of any
date, the value of Stock determined as follows: 
 (a) If the Stock is listed on any established stock exchange or a national
market system, including without limitation The Nasdaq Global Market or The Nasdaq Capital Market of The Nasdaq Stock Market, its Fair Market Value shall be the closing sales price for such stock as quoted on such exchange or system for the last
market trading day prior to the date of determination for which a closing sales price is reported, as reported in The Wall Street Journal or such other source as the Administrator deems reliable; 

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

(c) In the absence of an established market for the Stock, the Fair Market Value thereof shall be determined in good faith by the
Administrator. 
 2.19 “Good Reason” means, without a Participant’s express written consent, the
occurrence of any of the following actions in connection with a Change in Control: 
 (a) a material reduction in job
responsibilities given the Participant’s position with the Company or any Parent or Subsidiary or Successor Entity, and the Participant’s prior responsibilities with the Company or any Parent or Subsidiary or Successor Entity; 

(b) any reduction in the Participant’s annual base compensation from the Company or any Parent or Subsidiary or Successor Entity as
in effect immediately prior to such reduction; or 
 (c) a relocation of the Participant’s workplace for the Company or any
Parent or Subsidiary or Successor Entity to a facility or location more than twenty-five (25) miles from the Participant’s workplace immediately prior to such relocation; provided, however, that the new workplace also increases the
Participant’s commuting distance from the Participant’s primary residence. 
 A Participant shall provide thirty
(30) day’s written notice to the Company or any Parent or Subsidiary or Successor Entity (whichever entity is the Participant’s employer) of any resignation for “Good Reason.” 

2.20 “Incentive Stock Option” means an Option that is intended to be an incentive stock option and meets the
requirements of Section 422 of the Code or any successor provision thereto. 

  
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 2.21 “Independent Director” means a member of the Board who is not an
Employee. 
 2.22 “Minimum Vesting Awards” has the meaning set forth in Section 11.7. 

2.23 “Non-Employee Director” means a member of the Board who qualifies as a “Non-Employee Director” as defined
in Rule 16b-3(b)(3) of the Exchange Act, or any successor rule. 
 2.24 “Non-Qualified Stock Option” means
an Option that is not intended to be or otherwise does not qualify as an Incentive Stock Option. 
 2.25
“Option” means a right granted to a Participant pursuant to Article 5 of the Plan to purchase a specified number of shares of Stock at a specified price during specified time periods. An Option may be either an Incentive Stock
Option or a Non-Qualified Stock Option. 
 2.26 “Parent” means any “parent corporation” as
defined in Section 424(e) of the Code and any applicable regulations promulgated thereunder of the Company or any other entity which beneficially owns, directly or indirectly, a majority of the outstanding voting stock or voting power of the
Company. 
 2.27 “Participant” means any Eligible Individual who, as a member of the Board, a Consultant or an
Employee, has been granted an Award pursuant to the Plan. 
 2.28 “Performance-Based Award” means an Award
granted to selected Covered Employees pursuant to Articles 6 and 8, but which is subject to the terms and conditions set forth in Article 9. 
 2.29 “Performance Criteria” means the criteria that the Administrator selects for purposes of establishing the Performance Goal or Performance Goals for a Participant for a Performance
Period. The Performance Criteria that will be used to establish Performance Goals are limited to the following: net earnings (either before or after interest, taxes, depreciation and amortization), sales or revenue, net income (either before or
after taxes), operating earnings, cash flow (including, but not limited to, operating cash flow and free cash flow), return on net assets, return on stockholders’ equity, return on sales, gross or net profit margin, working capital, earnings
per share and price per share of Stock, the achievement of certain scientific milestones, customer retention rates, licensing, partnership or other strategic transactions, execution of a corporate collaboration agreement relating to a product
candidate of the Company, acceptance by the U.S. Food and Drug Administration (“FDA”) or a comparable foreign regulatory authority of a final New Drug Application or similar document, approval for marketing of a product candidate of
the Company by the FDA or a comparable foreign regulatory authority, obtaining a specified level of financing for the Company, as determined by the Committee, including through government grants (or similar awards) and the issuance of securities,
commencement of a particular stage of clinical trials for a product candidate of the Company, or the achievement of one or more corporate, divisional or individual scientific or inventive measures. Any of the criteria identified above may be
measured either in absolute terms or as compared to any incremental increase or as compared to results of a peer group. The Administrator shall, within the time prescribed by Section 162(m) of the Code, define in an objective fashion the manner
of calculating the Performance Criteria it selects to use for such Performance Period for such Participant. 

  
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 2.30 “Performance Goals” means, for a Performance Period, the goals
established in writing by the Administrator for the Performance Period based upon the 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 a Subsidiary, division or other operational unit, or an individual. The Administrator, in its discretion, may, within the time prescribed by Section 162(m) of the Code, adjust or modify the calculation
of Performance Goals for such Performance Period in order to prevent the dilution or enlargement of the rights of Participants (i) in the event of, or in anticipation of, any unusual or extraordinary corporate item, transaction, event, or
development, or (ii) in recognition of, or in anticipation of, any other unusual or nonrecurring events affecting the Company, or the financial statements of the Company, or in response to, or in anticipation of, changes in applicable laws,
regulations, accounting principles, or business conditions. 
 2.31 “Performance Period” means the 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 Participant’s right to, and the
payment of, a Performance-Based Award. 
 2.32 “Plan” means this Questcor Pharmaceuticals, Inc. 2006 Equity
Incentive Award Plan, as it may be amended from time to time. 
 2.33 “Qualified Performance-Based
Compensation” means any compensation that is intended to qualify as “qualified performance-based compensation” as described in Section 162(m)(4)(C) of the Code. 

2.34 “Restricted Stock” means Stock awarded to a Participant pursuant to Article 6 that is subject to certain
restrictions and may be subject to risk of forfeiture or repurchase. 
 2.35 “Restricted Stock Unit” means a
right to receive a share of Stock during specified time periods granted pursuant to Section 8.3. 
 2.36
“Securities Act” means the Securities Act of 1933, as amended from time to time. 
 2.37
“Section 409A Award” has the meaning set forth in Section 10.1. 
 2.38 “Stock”
means the common stock of the Company and such other securities of the Company that may be substituted for Stock pursuant to Article 12. 
 2.39 “Stock Appreciation Right” or “SAR” means a right granted pursuant to Article 7 to receive a payment equal to the excess of the Fair Market Value of a specified
number of shares of Stock on the date the SAR is exercised over the Fair Market Value of such number of shares of Stock on the date the SAR was granted as set forth in the applicable Award Agreement. 

2.40 “Stock Payment” means (a) a payment in the form of shares of Stock, or (b) an option or other right to
purchase shares of Stock, as part of any bonus, deferred compensation or other arrangement, made in lieu of all or any portion of the compensation, granted pursuant to Section 8.2. 

2.41 “Subsidiary” means any “subsidiary corporation” as defined in Section 424(f) of the Code and any
applicable regulations promulgated thereunder of the Company or any other entity of which a majority of the outstanding voting stock or voting power is beneficially owned directly or indirectly by the Company. 

  
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 2.42 “Successor Entity” has the meaning set forth in Section 2.6.

 2.43 “Termination of Consultancy” means the time when the engagement of a Participant as a Consultant to the
Company or a Parent or Subsidiary is terminated for any reason, with or without cause, including, but not by way of limitation, by resignation, discharge, death or retirement, but excluding terminations where there is a simultaneous commencement of
employment with the Company or any Parent or Subsidiary. The Administrator, in its absolute discretion, shall determine the effect of all matters and questions relating to Termination of Consultancy, including, but not by way of limitation, the
question of whether a Termination of Consultancy resulted from a discharge for good cause, and all questions of whether a particular leave of absence constitutes a Termination of Consultancy. Notwithstanding any other provision of the Plan, the
Company or any Parent or Subsidiary has an absolute and unrestricted right to terminate a Consultant’s service at any time for any reason whatsoever, with or without cause, except to the extent expressly provided otherwise in writing.

 2.44 “Termination of Directorship” shall mean the time when a Participant who is a Non-Employee Director
ceases to be a member of the Board for any reason, including, but not by way of limitation, a termination by resignation, failure to be elected, death or retirement. The Board, in its sole and absolute discretion, shall determine the effect of all
matters and questions relating to Termination of Directorship with respect to Non-Employee Directors. 
 2.45
“Termination of Employment” shall mean the time when the employee-employer relationship between a Participant and the Company or any Parent or Subsidiary is terminated for any reason, with or without cause, including, but not by way
of limitation, a termination by resignation, discharge, death, disability or retirement; but excluding: (a) terminations where there is a simultaneous reemployment or continuing employment of a Participant by the Company or any Parent or
Subsidiary, (b) at the discretion of the Administrator, terminations which result in a temporary severance of the employee-employer relationship, and (c) at the discretion of the Administrator, terminations which are followed by the
simultaneous establishment of a consulting relationship by the Company or a Parent or Subsidiary with the fanner employee. The Administrator, in its absolute discretion, shall determine the effect of all matters and questions relating to Termination
of Employment, including, but not by way of limitation, the question of whether a Termination of Employment resulted from a discharge for good cause, and all questions of whether a particular leave of absence constitutes a Termination of Employment;
provided, however, that, with respect to Incentive Stock Options, unless otherwise determined by the Administrator in its discretion, 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 Employment 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. 

  
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 ARTICLE III 
 SHARES SUBJECT TO THE PLAN 
 3.1 Number of Shares.  

(a) Subject to Article 12 and Section 3.1(b), the aggregate number of shares of Stock which may be issued or transferred pursuant to
Awards under the Plan shall be 9,750,000 shares as of the Effective Date. 
 (b) To the extent that an Award under Plan
terminates, expires, or lapses for any reason, any shares of Stock subject to the Award shall again be available for the grant of an Award pursuant to the Plan. To the extent permitted by applicable law or any exchange rule, shares of Stock issued
in assumption of, or in substitution for, any outstanding awards of any entity acquired in any form of combination by the Company or any Parent or Subsidiary shall not be counted against shares of Stock available for grant pursuant to this Plan. If
any shares of Restricted Stock are forfeited by a Participant or repurchased by the Company pursuant to Section 6.3 hereof, such shares shall again be 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. 
 (c) Notwithstanding the provisions of this Section 3.1, no shares of Stock may again 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. 
 3.2 Stock Distributed. Any Stock distributed pursuant to an
Award may consist, in whole or in part, of authorized and unissued Stock, treasury stock or Stock purchased on the open market. 

3.3 Limitation on Number of Shares Subject to Incentive Stock Options. The maximum number of shares of Stock that may be issued
pursuant to Options that are intended to be Incentive Stock Options shall be 9,750,000 shares. 
 3.4 Individual Participant
Limitations. Notwithstanding any provision in the Plan to the contrary, and subject to Article 12, the maximum number of shares of Stock with respect to one or more Awards that may be granted to any one Participant during any calendar year shall
be 600,000, except for an employee serving as Chief Executive Officer of the Company, who is eligible to be granted options covering an aggregate number of shares of up to 1,500,000 in a calendar year. Notwithstanding the foregoing, in connection
with his or her initial service to the Company, the aggregate number of shares of Stock with respect to which Awards may be granted to any Participant shall not exceed 1,000,000 shares of Stock during the calendar year which includes such
individual’s initial service to the Company. 
 ARTICLE IV 

ELIGIBILITY AND PARTICIPATION 
 4.1 Eligibility. Persons eligible to participate in this Plan include Employees, Consultants and members of the Board, as determined by the Administrator. 

  
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 4.2 Participation. Subject to the provisions of the Plan, the Administrator may, from
time to time, select from among all Eligible Individuals those to whom Awards shall be granted and shall determine the nature and amount of each Award. No individual shall have any right to be granted an Award pursuant to this Plan. 

ARTICLE V 
 STOCK
OPTIONS 
 5.1 General. The Administrator is authorized to grant Options to Eligible Individuals on the following terms
and conditions: 
 (a) Exercise Price. The exercise price per share of Stock subject to an Option shall be determined by
the Administrator and set forth in the Award Agreement; provided that the exercise price per share for any Option shall not be less than 100% of the Fair Market Value of a share of Stock on the date of grant. 

(b) Time and Conditions of Exercise. The Administrator shall determine the time or times at which an Option may be exercised in
whole or in part; provided that the term of any Option granted under the Plan shall not exceed ten years. The Administrator shall also determine the performance or other conditions, if any, that must be satisfied before all or part of an Option may
be exercised. 
 (c) Payment. The Administrator shall determine the methods, terms and conditions by which the exercise
price of an Option may be paid, and the form and manner of payment, including, without limitation, payment in the form of cash, a promissory note bearing interest at no less than such rate as shall then preclude the imputation of interest under the
Code, shares of Stock, or other property acceptable to the Administrator and payment through the delivery of a notice that the Participant has placed a market sell order with a broker with respect to shares of 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 Option exercise price; provided that payment of such proceeds is then made to the Company upon
settlement of such sale, and the methods by which shares of Stock shall be delivered or deemed to be delivered to Participants. Notwithstanding any other provision of the Plan to the contrary, no Participant who is a member of the Board or an
“executive officer” of the Company within the meaning of Section 13(k) of the Exchange Act shall be permitted to pay the exercise price of an Option, or continue any extension of credit with respect to the exercise price of an Option
with a loan from the Company or a loan arranged by the Company, in any method which would violate Section 13(k) of the Exchange Act. 
 (d) Evidence of Grant. All Options shall be evidenced by an Award Agreement between the Company and the Participant. The Award Agreement shall include such additional provisions as may be specified
by the Administrator. 

  
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 5.2 Incentive Stock Options. Incentive Stock Options may be granted only to employees
(as defined in accordance with Section 3401(c) of the Code) of the Company or a Subsidiary which constitutes a “subsidiary corporation” of the Company within Section 424(f) of the Code or a Parent which constitutes a “parent
corporation” of the Company within the meaning of Section 424(e) of the Code, and the terms of any Incentive Stock Options granted pursuant to the Plan must comply with the following additional provisions of this Section 5.2 in
addition to the requirements of Section 5.1: 
 (a) Ten Percent Owners. An Incentive Stock Option shall be granted
to any individual who, at the date of grant, owns stock possessing more than ten percent of the total combined voting power of all classes of Stock of the Company or any “subsidiary corporation” of the Company or “parent
corporation” of the Company (each within the meaning of Section 424 of the Code) only if such Option is granted at an exercise price per share that is not less than 110% of the Fair Market Value per share of the Stock on the date of the
grant and the Option is exercisable for no more than five years from the date of grant. 
 (b) Transfer Restriction. An
Incentive Stock Option shall not be transferable by the Participant other than by will or by the laws of descent or distribution. 
 (c) Right to Exercise. During a Participant’s lifetime, an Incentive Stock Option may be exercised only by the Participant. 

(d) Failure to Meet Requirements. Any Option (or portion thereof) purported to be an Incentive Stock Option which, for any reason,
fails to meet the requirements of Section 422 of the Code shall be considered a Non-Qualified Stock Option. 
 5.3
Substitution of Stock Appreciation Rights. The Administrator may provide in the Award Agreement evidencing the grant of an Option that the Administrator, in its sole discretion, shall have to 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 of Stock for which such substituted Option would have been exercisable.

 ARTICLE VI 
 RESTRICTED STOCK AWARDS 
 6.1 Grant of Restricted Stock. The Administrator
is authorized to make Awards of Restricted Stock to any Eligible Individual selected by the Administrator in such amounts and subject to such terms and conditions as determined by the Administrator. All Awards of Restricted Stock shall be evidenced
by an Award Agreement. 
 6.2 Issuance and Restrictions. Restricted Stock shall be subject to such repurchase
restrictions, forfeiture restrictions, restrictions on transferability and other restrictions as the Administrator may impose (including, without limitation, limitations on the right to vote Restricted Stock or the right to receive dividends on the
Restricted Stock). These restrictions may lapse separately or in combination at such times, pursuant to such circumstances or installments or otherwise as the Administrator determines at the time of the grant of the Award or thereafter.
Alternatively, these restrictions may lapse pursuant to the satisfaction of one or more Performance Goals or other specific performance goals as the Administrator determines to be appropriate at the time of the grant of the Award or thereafter, in
each case on a specified date or dates or over any period or periods determined by the Administrator. 

  
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 6.3 Repurchase or Forfeiture. Except as otherwise determined by the Administrator at
the time of the grant of the Award or thereafter, upon a Participant’s Termination of Employment, Termination of Directorship or Termination of Consultancy during the applicable restriction period, Restricted Stock that is at that time subject
to restrictions shall be forfeited or subject to repurchase by the Company (or its assignee) under such terms as the Administrator shall determine; provided, however, that the Administrator may (a) provide in any Restricted Stock Award
Agreement that restrictions or forfeiture conditions relating to Restricted Stock will be waived in whole or in part in the event of a Participant’s Termination of Employment, Termination of Directorship or Termination of Consultancy under
certain circumstances, and (b) in other cases waive in whole or in part restrictions or forfeiture conditions relating to Restricted Stock. 
 6.4 Certificates for Restricted Stock. Restricted Stock granted pursuant to the Plan may be evidenced in such manner as the Administrator shall determine. If certificates representing shares of
Restricted Stock are registered in the name of the Participant, certificates must bear an appropriate legend referring to the terms, conditions, and restrictions applicable to such Restricted Stock, and the Company may, at its discretion, retain
physical possession of the certificate until such time as all applicable restrictions lapse or the Award Agreement may provide that the shares shall be held in escrow by an escrow agent designated by the Company. 

ARTICLE VII 

STOCK APPRECIATION RIGHTS 
 7.1 Grant of Stock Appreciation Rights. A Stock Appreciation Right may be granted to any Eligible Individual selected by the Administrator. A Stock Appreciation Right shall be subject to such terms
and conditions not inconsistent with the Plan as the Administrator shall impose and shall be evidenced by an Award Agreement. 

7.2 Terms of Stock Appreciation Rights. 
 (a) A Stock Appreciation Right shall have a term set by the Administrator. A Stock Appreciation Right shall be exercisable in such installments as the Administrator may determine. A Stock Appreciation
Right shall cover such number of shares of Stock as the Administrator may determine. The exercise price per share of Stock subject to each Stock Appreciation Right shall be set by the Administrator and set forth in the Award Agreement, except that
in no event shall the exercise price be less than 100% of the Fair Market Value of the Stock underlying the Stock Appreciation Right at the time the Stock Appreciation Right is granted. 

(b) A Stock Appreciation Right shall entitle the Participant (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 (i) the amount (if any) by which the
Fair Market Value of a share of Stock on the date of exercise of the Stock Appreciation Right exceeds the exercise price per share of the Stock Appreciation Right, by (ii) the number of shares of Stock with respect to which the Stock
Appreciation Right shall have been exercised, subject to any limitations the Administrator may impose. 

  
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 7.3 Payment and Limitations on Exercise. 

(a) Subject to Sections 7.3(b) and (c), payment of the amounts determined under Sections 7.2(b) above shall be in cash, in Stock (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. 
 (b) To the extent payment for a Stock Appreciation Right is to be made in cash, the Award Agreement shall specify the date of payment, which may be different than the date of exercise of the Stock
Appreciation Right. If the date of payment for a Stock Appreciation Right is later than the date of exercise, the Award Agreement may specify that the Participant be entitled to earnings on such amount until paid. 

(c) To the extent any payment under Section 7.2(b) is effected in Stock, it shall be made subject to satisfaction of all provisions
of Article 5 above pertaining to Options. 
 7.4 Compliance with Code Section 409A. Notwithstanding anything in this
Article 7 to the contrary, all Awards of Stock Appreciation Rights shall be structured to satisfy the requirements of Code Section 409A, as provided in Section 10 below. 

ARTICLE VIII 

OTHER TYPES OF AWARDS 
 8.1 Dividend Equivalents. 
 (a) Any Eligible Individual selected by the
Administrator may be granted Dividend Equivalents based on the dividends on the shares of Stock that are subject to any Award, to be credited as of dividend payment dates, during the period between the date the Award is granted and the date the
Award is exercised, vests or expires, as determined by the Administrator. Such Dividend Equivalents shall be converted to cash or additional shares of Stock by such formula and at such time and subject to such limitations as may be determined by the
Administrator. 
 (b) Dividend Equivalents granted with respect to Options or SARs that are intended to be Qualified
Performance-Based Compensation shall be payable, with respect to pre-exercise periods, regardless of whether such Option or SAR is subsequently exercised. 
 8.2 Stock Payments. Any Eligible Individual selected by the Administrator may receive Stock Payments in the manner determined from time to time by the Administrator; provided, that unless otherwise
determined by the Administrator such Stock Payments, which may be subject to vesting, shall be made in lieu of base salary, bonus, or other cash compensation otherwise payable to such Eligible Individual. The number of shares shall be determined by
the Administrator and may be based upon the Performance Goals or other specific performance goals determined appropriate by the Administrator. 
 8.3 Restricted Stock Units. The Administrator is authorized to make 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. 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. Alternatively, Restricted Stock Units may become fully vested and nonforfeitable pursuant to the satisfaction of one or more Performance Goals or other specific performance goals as the

  
 12 

 
Administrator determines to be appropriate at the time of the grant of the Restricted Stock Units or thereafter, in each case on a specified date or dates or over any period or periods determined
by the Administrator. 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 Eligible Individual to whom the Award is granted. On the maturity date, the Company shall transfer to the Participant one unrestricted, fully transferable share of Stock for each Restricted Stock Unit that is vested and scheduled to
be distributed on such date and not previously forfeited. The Administrator shall specify the purchase price, if any, to be paid by the Participant to the Company for such shares of Stock. 

8.4 Term. Except as otherwise provided herein, the term of any Award of Dividend Equivalents, Stock Payments or Restricted Stock
Units shall be set by the Administrator in its discretion. 
 8.5 Exercise or Purchase Price. The Administrator may
establish the exercise or purchase price, if any, of any Award of Stock Payments or Restricted Stock Units; provided, however, that such price shall not be less than the par value of a share of Stock on the date of grant, unless otherwise permitted
by applicable state law. 
 8.6 Form of Payment. Payments with respect to any Awards granted under Sections 8.1, 8.2 or
8.3 shall be made in cash, in Stock or a combination of both, as determined by the Administrator. 
 8.7 Award Agreement.
All Awards under this Article 8 shall be subject to such additional terms and conditions as determined by the Administrator and shall be evidenced by a written Award Agreement. 

8.8 Compliance with Code Section 409A. Notwithstanding anything in this Article 8 to the contrary, all Awards of Dividend
Equivalents, Stock Payments, and Restricted Stock Units shall be structured to satisfy the requirements of Code Section 409A, as provided in Section 10 below. 
 ARTICLE IX 
 PERFORMANCE-BASED AWARDS 

9.1 Purpose. The purpose of this Article 9 is to provide the Administrator the ability to qualify Awards other than Options and
SARs and that are granted pursuant to Articles 6 and 8 as Qualified Performance-Based Compensation. If the Administrator, in its discretion, decides to grant a Performance-Based Award to a Covered Employee, the provisions of this Article 9 shall
control over any contrary provision contained in Articles 6 or 8; provided, however, that the Administrator may in its discretion grant Awards to Covered Employees that are based on Performance Criteria or Performance Goals but that do
not satisfy the requirements of this Article 9. 
 9.2 Applicability. This Article 9 shall apply only to those Covered
Employees selected by the Administrator to receive Performance-Based Awards. The designation of a Covered Employee as a Participant for a Performance Period shall not in any manner entitle the Participant to receive an Award for the period.
Moreover, designation of a Covered Employee as a Participant for a particular Performance Period shall not require designation of such Covered Employee as a Participant in any subsequent Performance Period and designation of one Covered Employee as
a Participant shall not require designation of any other Covered Employees as a Participant in such period or in any other period. 

  
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 9.3 Procedures with Respect to Performance-Based Awards. To the extent necessary to
comply with the Qualified Performance-Based Compensation requirements of Section 162(m)(4)(C) of the Code, with respect to any Award granted under Articles 6 and 8 which may be granted to one or more Covered Employees, no later than ninety
(90) days following the commencement of any fiscal year in question or any other designated fiscal period or period of service (or such other time as may be required or permitted by Section 162(m) of the Code), the Administrator shall, in
writing, (a) designate one or more Covered Employees, (b) select the Performance Criteria applicable to the Performance Period, (c) establish the Performance Goals, and amounts of such Awards, as applicable, which may be earned for
such Performance Period, 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 Administrator shall certify in writing whether the applicable Performance Goals have been achieved for such Performance Period. In determining the amount earned by a Covered Employee, the Administrator
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 Administrator may deem relevant to the assessment of individual or corporate
performance for the Performance Period. 
 9.4 Payment of Performance-Based Awards. Unless otherwise provided in the
applicable Award Agreement, a Participant must be employed by the Company or a Parent or Subsidiary on the day a Performance-Based Award for such Performance Period is paid to the Participant. Furthermore, a Participant shall be eligible to receive
payment pursuant to a Performance-Based Award for a Performance Period only if the Performance Goals for such period are achieved. 
 9.5 Additional Limitations. Notwithstanding any other provision of the Plan, any Award which is granted to a Covered Employee and is intended to constitute Qualified Performance-Based Compensation
shall be subject to any additional limitations set forth in Section 162(m) of the Code (including any amendment to Section 162(m) of the Code) or any regulations or rulings issued thereunder that are requirements for qualification as
qualified performance-based compensation as described in Section 162(m)(4)(C) of the Code, and the Plan shall be deemed amended to the extent necessary to conform to such requirements. 

ARTICLE X 

COMPLIANCE WITH SECTION 409A OF THE CODE 
 10.1 Awards subject to Code Section 409A. Any Award that constitutes, or provides for, a deferral of compensation subject to Section 409A of the Code (a “Section 409A
Award”) shall satisfy the requirements of Section 409A of the Code and this Article 10, to the extent applicable. The Award Agreement with respect to a Section 409A Award shall incorporate the terms and conditions required by
Section 409A of the Code and this Article 10. If any deferral of compensation is to be permitted in connection with a 409A Award, the Committee shall establish rules and procedures relating to such deferral in a manner intended to comply with
the requirements of Section 409A of the Code, including, without limitation, the time when an election to defer may be made, the time period of the deferral and the events that would result in payment of the deferred amount, the interest or
other earnings attributable to the deferral and the method of funding, if any, attributable to the deferred amount. 

  
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 10.2 Distributions under a Section 409A Award. Any shares of Stock or other
property or amounts to be paid or distributed upon the grant, issuance, vesting, exercise or payment of a Section 409A Award shall be distributed in accordance with the requirements of Section 409A(a)(2) of the Code, and, subject to any
additional limitations in Section 409A and the Treasury Regulations issued thereunder, shall not be distributed earlier than: 
 (a) the Participant’s separation from service; 
 (b) the date the Participant
becomes disabled; 
 (c) the Participant’s death; 
 (d) a specified time (or pursuant to a fixed schedule) specified under the Award Agreement at the date of the deferral compensation; 

(e) a change in the ownership or effective control of the Company or a Parent or Subsidiary, or in the ownership of a substantial portion
of the assets of the Company or a Parent or Subsidiary; or 
 (f) the occurrence of an unforeseeable emergency with respect to
the Participant. 
 10.3 Prohibition on Acceleration of Benefits. The time or schedule of any distribution or payment of
any shares of Stock or other property or amounts under a Section 409A Award shall not be accelerated, except as otherwise permitted under Section 409A(a)(3) of the Code and the Treasury Regulations thereunder. 

10.4 Elections under Section 409A Awards. Any deferral election provided under or with respect to an Award to any Eligible
Individual, or to the Participant holding a Section 409A Award, shall satisfy the requirements of Section 409A(a)(4)(B) of the Code, to the extent applicable, and any such deferral election with respect to compensation for services
performed during a taxable year shall be made not later than the close of the preceding taxable year, or at such other time as provided in Treasury Regulations. 
 10.5 Compliance in Form and Operation. A Section 409A Award, and any election under or with respect to such Section 409A Award, shall comply in form and operation with the requirements of
Section 409A of the Code and the Treasury Regulations thereunder. 
 ARTICLE XI 

PROVISIONS APPLICABLE TO AWARDS 
 11.1 Stand-Alone and Tandem Awards. Awards granted pursuant to the Plan may, in the 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. 

  
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 11.2 Award Agreement. Awards under the Plan shall be evidenced by Award Agreements
that set forth the terms, conditions and limitations for each Award which may include the term of an Award, the provisions applicable in the event of the Participant’s Termination of Employment, Termination of Directorship or Termination of
Consultancy, and the Company’s authority to unilaterally or bilaterally amend, modify, suspend, cancel or rescind an Award. 
 11.3 Limits on Transfer. 
 (a) Except as otherwise provided by the
Administrator pursuant to Section 11.3(b), no right or interest of a Participant in any Award may be pledged, encumbered, or hypothecated to or in favor of any party other than the Company or a Parent or Subsidiary, or shall be subject to any
lien, obligation, or liability of such Participant to any other party other than the Company or a Parent or Subsidiary. Except as otherwise provided by the Administrator pursuant to Section 11.3(b), no Award shall be assigned, transferred, or
otherwise disposed of by a Participant other than by will or the laws of descent and distribution, 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. 
 (b) Notwithstanding Section 11.3(a), the Administrator, in its sole discretion, may permit an Award (other
than an Incentive Stock Option) to be transferred to, exercised by and paid to any one or more Permitted Transferees (as defined below), 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; (ii) any Award which is transferred to a Permitted Transferee shall continue to be subject to all the terms and conditions of
the Award as applicable to the original Participant (other than the ability to further transfer the Award); and (iii) the Participant 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 federal and state securities laws and (C) evidence the
transfer. For purposes of this Section 11.3(b), “Permitted Transferee” shall mean, with respect to a Participant, any child, stepchild, grandchild, parent, stepparent, grandparent, spouse, former spouse, sibling, niece, nephew,
mother-in-law, father-in-law, son-in-law, daughter-in-law, brother-in-law, or sister-in-law, including adoptive relationships, any person sharing the Participant’s household (other than a tenant or employee), a trust in which these persons (or
the Participant) control the management of assets, and any other entity in which these persons (or the Participant) own more than fifty percent of the voting interests, or any other transferee specifically approved by the Administrator. 

11.4 Beneficiaries. Notwithstanding Section 11.3, a Participant may, in the manner determined by the Administrator, designate
a beneficiary to exercise the rights of the Participant and to receive any distribution with respect to any Award upon the Participant’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 Award Agreement applicable to the Participant, except to the extent the Plan and Award Agreement otherwise provide, and to any additional restrictions deemed necessary or
appropriate by the Administrator. 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 with respect to more than 50% of the
Participant’s interest in the Award shall not be effective without the prior written consent of the Participant’s spouse. If no beneficiary has been designated or survives the Participant, payment shall be made to the person entitled
thereto pursuant to the Participant’s will or the laws of descent and distribution. Subject to the foregoing, a beneficiary designation may be changed or revoked by a Participant at any time provided the change or revocation is filed with the
Administrator. 

  
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 11.5 Stock Certificates; Book-Entry Procedures. 

(a) Notwithstanding anything herein to the contrary, the Company shall not be required to issue or deliver any certificates evidencing
shares of Stock pursuant to the exercise of any Award, unless and until the Board has determined, with advice of counsel, that the issuance and delivery of such certificates is in compliance with all applicable laws, regulations of governmental
authorities and, if applicable, the requirements of any exchange on which the shares of Stock are listed or traded. All Stock certificates delivered pursuant to the Plan are subject to any stop-transfer orders and other restrictions as the
Administrator deems necessary or advisable to comply with federal, state, or foreign jurisdiction, securities or other laws, rules and regulations and the rules of any national securities exchange or automated quotation system on which the Stock is
listed, quoted, or traded. The Administrator may place legends on any Stock certificate to reference restrictions applicable to the Stock. In addition to the terms and conditions provided herein, the Administrator may require that a Participant make
such reasonable covenants, agreements, and representations as the Administrator, in its discretion, deems advisable in order to comply with any such laws, regulations, or requirements. The Administrator shall have the right to require any
Participant to comply with any timing or other restrictions with respect to the settlement or exercise of any Award, including a window-period limitation, as may be imposed in the discretion of the Administrator. 

(b) Notwithstanding any other provision of the Plan, unless otherwise determined by the Administrator or required by applicable law, rule
or regulation, the Company shall not deliver to any Participant certificates evidencing shares of Stock issued in connection with any Award and instead such shares of Stock shall be recorded in the books of the Company (or, as applicable, its
transfer agent or stock plan administrator). 
 11.6 Paperless Exercise. In the event that the Company establishes, for
itself or using the services of a third party, an automated system for the exercise of Awards, such as a system using an internet website or interactive voice response, then the paperless exercise of Awards by a Participant may be permitted through
the use of such an automated system. 
 11.7 Minimum Vesting Periods. Subject to Article XII hereof, any Awards granted
under Article VI, Section 8.3 or Article IX hereof (the “Minimum Vesting Awards”), granted after July 25, 2011 that vest solely based on the passage of time may not provide for vesting any faster than the following
schedule: (i) no more than one-third vested prior to the first anniversary of the award date, (ii) no more than two-thirds vested prior to the second anniversary of the award date and (iii) the balance shall vest at a rate no more
than ratably over the period from the second anniversary of the award date to the third anniversary of the award date. Subject to Article XII hereof, any Minimum Vesting Awards granted after July 25, 2011 that do no vest solely based on the
passage of time shall not vest any faster than ratably over the period from the award date to the first anniversary of the award date. 

  
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 ARTICLE XII 
 CHANGES IN CAPITAL STRUCTURE 
 12.1 Adjustments. 

(a) In the event of any stock dividend, stock split, combination or exchange of shares, merger, consolidation, spin-off, recapitalization,
distribution of Company assets to shareholders (other than normal cash dividends), or any other corporate event affecting the Stock or the share price of the 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 (i) the aggregate number and type 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); (ii) the terms and conditions of any outstanding Awards (including, without limitation, any applicable performance targets or criteria with respect thereto); and (iii) the grant, exercise or purchase price per share for any
outstanding Awards under the Plan. Any adjustment affecting an Award intended as Qualified 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 12.1(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 (including without limitation any Change in Control), or of changes in applicable laws, regulations or accounting principles, 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 Award 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, 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 Participant’s request, is hereby authorized to take any one or more of the following actions: 

(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 received upon the exercise of such Award or realization of the Participant’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 12.1(b) the
Administrator determines in good faith that no amount would have been attained upon the exercise of such Award or realization of the Participant’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; 
 (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; and 
 (iii) To make
adjustments in the number and type of shares of 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 options, rights and awards and options, rights and awards which may be granted in the future; 

  
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 (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 Award Agreement; and 
 (v) To provide that the Award cannot vest, be exercised or become payable after such event. 
 12.2 Acceleration Upon a Change in Control. 
 (a) Notwithstanding
Section 12.1(b), if a Change in Control occurs and a Participant’s Awards are not continued, converted, assumed, or replaced by (i) the Company or a Parent or Subsidiary of the Company, or (ii) a Successor Entity, such Awards
shall become fully exercisable and/or payable, as applicable, and all forfeiture, repurchase and other restrictions on such Awards shall lapse immediately prior to such Change in Control. Upon, or in anticipation of, a Change in Control, the
Administrator may cause any and all Awards outstanding hereunder to terminate at a specific time in the future, including but not limited to the date of such Change in Control, and shall give each Participant the right to exercise such Awards during
a period of time as the Administrator, in its sole and absolute discretion, shall determine 
 (b) With respect to any
Participant who was providing services as an Employee, member of the Board or Consultant, if such Participant has a Termination of Employment, Termination of Directorship or Termination of Consultancy in contemplation of a Change in Control, other
than by reason of a discharge by the Company, any Parent or Subsidiary or any Successor Entity for Cause, a resignation by the Participant without Good Reason, or the Participant’s death or Disability, within the sixty (60) days prior to
the consummation of a Change in Control, any Awards held by such Participant shall become exercisable and/or payable, as applicable, and the forfeiture, repurchase and other restrictions on such Awards shall lapse in accordance with the schedule set
forth in Section 12.2(f) below immediately prior to the date of such Change in Control and such Awards shall be exercisable for the longer of twelve (12) months following such Change in Control or the expiration of any applicable
underwriters’ lock-up agreements and thereafter shall terminate, but such period shall not extend beyond the expiration date of such Awards. 
 (c) With respect to any Participant who was providing services as an Employee, member of the Board or Consultant immediately prior to the consummation of a Change in Control, if such Participant has a
Termination of Employment, Termination of Directorship or Termination of Consultancy other than by reason of the Participant’s discharge by the Company, any Parent or Subsidiary or any Successor Entity for Cause, a resignation by the
Participant without Good Reason, or the Participant’s death or Disability, within the thirteen (13) months following such Change in Control, any Awards held by such Participant shall become exercisable and/or payable, as applicable, and
the forfeiture, repurchase and other restrictions on such Awards shall lapse in accordance with the schedule set forth in Section 12.2(f) below on the date of such Termination of Employment, Termination of Directorship or Termination of
Consultancy and such Awards shall be exercisable for the longer of twelve (12) months following such Change in Control or the expiration of any applicable underwriters’ lock-up agreements and thereafter shall terminate, but such period
shall not extend beyond the expiration date of such Awards. 
 (d) With respect to any Participant who was providing services as
an Employee, member of the Board or Consultant immediately prior to the consummation of a Change in Control, if such Participant does not have a Termination of Employment, Termination of Directorship or

  
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Termination of Consultancy prior to thirteen (13) months after such Change in Control, any Awards held by such Participant shall become exercisable and/or payable, as applicable, and the
forfeiture, repurchase and other restrictions on such Awards shall lapse in accordance with the schedule set forth in Section 12.2(f) below at the end of such thirteen (13) month period and such Awards shall be exercisable for the longer
of twelve (12) months following the end of such thirteen (13) month period or the expiration of any applicable underwriters’ lock-up agreements and thereafter shall terminate, but such period shall not extend beyond the expiration
date of such Awards. 
 (e) Notwithstanding anything to the contrary in this Article 12, an Award Agreement evidencing an Award
may provide that a Participant shall have additional rights under such Award in the event of a Change in Control. 
 (f) For
purposes of this Section 12.2, Awards shall become exercisable and/or payable, as applicable, and the forfeiture, repurchase and other restrictions on such Awards shall lapse pursuant to Sections 12.2(b), (c) and (d) in accordance
with the number of years of service a Participant has with the Company, or any Parent or Subsidiary (or any predecessor organization, including, without limitation, RiboGene, Inc.), or any Successor Entity as of the date of determination (measured
from the Participant’s date of hire) as follows: 
  

					
	Length of Service	  	 Percentage of Award to

Become Exercisable and/or
 Payable and Percentage of

Award as to Which Forfeiture,
 Repurchase and Other
 Restrictions Shall Lapse
	 
	0-180 days	  	 	0	% 
	181 days to 1 year	  	 	25	% 
	1 year and 1 day to 2 years	  	 	50	% 
	Greater than 2 years	  	 	100	% 

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

ARTICLE XIII 

ADMINISTRATION 

13.1 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 both an “outside
director,” within the meaning of Section 162(m) of the Code and a Non-Employee Director. Notwithstanding the 

  
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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 all Awards granted to Independent
Directors, and for purposes of such Awards the term “Administrator” as used in this Plan shall be deemed to refer to the Board and (b) the Committee may delegate its authority hereunder to the extent permitted by
Section 13.5. Appointment of Committee members shall be effective upon acceptance of appointment. In its sole discretion, the Board may at any time and from time to time exercise any and all rights and duties of the Administrator under the Plan
except with respect to matters which under Rule 16b-3 under the Exchange Act or Section 162(m) of the Code, or any regulations or rules issued thereunder, are required to be determined in the sole discretion of the Committee. Committee members
may resign at any time by delivering written notice to the Board. Vacancies in the Committee may only be filled by the Board. 

13.2 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, 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 Parent or 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. 

13.3 Authority of Administrator. Subject to any specific designation in the Plan, the Administrator has the exclusive power,
authority and discretion to: 
 (a) Designate Participants to receive Awards; 

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

(c) Determine the number of Awards to be granted and the number of shares of Stock 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, or purchase price, any reload provision, any restrictions or limitations on the Award, any schedule for lapse of forfeiture restrictions or restrictions on the exercisability of an Award, and accelerations or waivers thereof, 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; provided, however, that the Administrator shall not have the authority to
accelerate the vesting or waive the forfeiture of any Performance-Based Awards; 
 (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, Stock, 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 Participant; 

(g) Decide all other matters that must be determined in connection with an Award; 

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

13.5 Delegation of Authority. To the extent permitted by applicable law, the 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 to Participants other than (a) senior executives of the Company who are subject to Section 16 of the Exchange Act,
(b) Covered Employees, or (c) officers of the Company (or members of the Board) to whom authority to grant or amend Awards has been delegated hereunder. Any delegation hereunder shall be subject to the restrictions and limits that the
Committee specifies at the time of such delegation, and the Committee may at any time rescind the authority so delegated or appoint a new delegatee. At all times, the delegatee appointed under this Section 13.5 shall serve in such capacity at
the pleasure of the Committee. 
 ARTICLE XIV 
 EFFECTIVE AND EXPIRATION DATES 
 14.1 Effective Date. The Plan will be
effective as of the date on which the Plan is approved by the Company’s shareholders (the “Effective Date”). 
 14.2 Expiration Date. The Plan will expire on, and no Award may be granted pursuant to the Plan after, the earlier of the tenth anniversary of (i) the date this Plan is approved by the Board
or (ii) 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. 

ARTICLE XV 

AMENDMENT, MODIFICATION, AND TERMINATION 
 15.1 Amendment, Modification, and Termination. The Board may terminate, amend or modify the Plan at any time and from time to time; provided, however, that (a) to the extent necessary to
comply with any applicable law, regulation, or stock exchange rule, the Company shall obtain shareholder approval of any Plan amendment in such a manner and to such a degree as required, and (b) shareholder approval is required for any
amendment to the Plan that increases the number of shares available under the Plan (other than any adjustment as provided by Article 12). 

  
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 15.2 Awards Previously Granted. No termination, amendment, or modification of the
Plan shall adversely affect in any material way any Award previously granted pursuant to the Plan without the prior written consent of the Participant. 
 ARTICLE XVI 
 GENERAL PROVISIONS 

16.1 No Rights to Awards. No Participant, Employee, 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 Participants, Employees, and other persons uniformly. 

16.2 No Shareholder Rights. Except as otherwise provided herein, a Participant shall have none of the rights of a shareholder with
respect to shares of Stock covered by any Award until the Participant becomes the record owner of such shares of Stock. 
 16.3
Withholding. The Company or any Parent or Subsidiary shall have the authority and the right to deduct or withhold, or require a Participant to remit to the Company an amount sufficient to satisfy federal, state, local and foreign taxes
(including the Participant’s employment tax obligations) required by law to be withheld with respect to any taxable event concerning a Participant arising as a result of this Plan. The Administrator may in its discretion and in satisfaction of
the foregoing requirement allow a Participant to elect to have the Company or a Parent or Subsidiary, as applicable, withhold shares of Stock otherwise issuable under an Award (or allow the return of shares of Stock) having a Fair Market Value equal
to the sums required to be withheld. Notwithstanding any other provision of the Plan, the number of shares of Stock which may be withheld with respect to the issuance, vesting, exercise or payment of any Award (or which may be repurchased from the
Participant of such Award within six months (or such other period as may be determined by the Administrator) after such shares of Stock were acquired by the Participant from the Company) in order to satisfy the Participant’s federal, state,
local and foreign income and payroll tax liabilities with respect to the issuance, vesting, exercise or payment of the Award shall be limited to the number of shares which 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. 

16.4 No Right to Employment or Services. Nothing in the Plan or any Award Agreement shall interfere with or limit in any way the
right of the Company or any Parent or Subsidiary to terminate any Participant’s employment or services at any time, nor confer upon any Participant any right to continue in the employ or service of the Company or any Parent or Subsidiary.

 16.5 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 Participant pursuant to an Award, nothing contained in the Plan or any Award Agreement shall give the Participant any rights that are greater than those of a general creditor of the Company or any Parent or
Subsidiary. 
 16.6 Indemnification. To the extent allowable pursuant to applicable law, the Administrator (and each
member thereof) 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 

  
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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. 
 16.7 Relationship to other Benefits. No
payment pursuant to the Plan shall be taken into account in determining any benefits pursuant to any pension, retirement, savings, profit sharing, group insurance, welfare or other benefit plan of the Company or any Parent or Subsidiary except to
the extent otherwise expressly provided in writing in such other plan or an agreement thereunder. 
 16.8 Expenses. The
expenses of administering the Plan shall be borne by the Company and its Subsidiaries. 
 16.9 Titles and Headings. 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. 

16.10 Fractional Shares. No fractional shares of Stock shall be issued and the Administrator shall determine, in its discretion,
whether cash shall be given in lieu of fractional shares or whether such fractional shares shall be eliminated by rounding up or down as appropriate. 
 16.11 Limitations Applicable to Section 16 Persons. Notwithstanding any other provision of the Plan, the Plan, and any Award granted or awarded to any Participant 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 any amendment to Rule 16b-3 under the Exchange Act) 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.

 16.12 Government and Other Regulations. The obligation of the Company to make payment of awards in Stock or otherwise
shall be subject to all applicable laws, rules, and regulations, and to such approvals by government agencies as may be required. The Company shall be under no obligation to register pursuant to the Securities Act, any of the shares of Stock paid
pursuant to the Plan. If the shares paid pursuant to the Plan may in certain circumstances be exempt from registration pursuant to the Securities Act, the Company may restrict the transfer of such shares in such manner as it deems advisable to
ensure the availability of any such exemption. 
 16.13 Governing Law. The Plan and all Award Agreements shall be
construed in accordance with and governed by the laws of the State of California, without regard to the conflicts of law principles thereof. 

  
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