Document:

EX-10.2

 EXHIBIT 10.2 

Option No.                     

MATEON THERAPEUTICS, INC. 

Stock Option Grant Notice 

Stock Option Grant under the Company’s 

2017 Equity Incentive Plan 
  

							
	1.	  	Name and Address of Participant:	  	  
	  	
				
		  		  	  
	  	
				
		  		  	  
	  	
				
	2.	  	Date of Option Grant:	  	  
	  	
				
	3.	  	Type of Grant:	  	 Non-Qualified
	  	
				
	4.	  	Maximum Number of Shares for which this Option is exercisable:	  	  
	  	
				
	5.	  	Exercise (purchase) price per share:	  	  
	  	
				
	6.	  	Option Expiration Date:	  	  
	  	
				
	7.	  	Vesting Start Date:	  	  
	  	
		
	8.	  	Vesting Schedule: This Option shall become exercisable (and the Shares issued upon exercise shall be vested) as follows provided the Participant is an Employee, director or Consultant of the Company or of an Affiliate on
the applicable vesting date:

  

	

 [Insert Vesting Schedule] 

The foregoing rights are cumulative and are subject to the other terms and conditions of this Agreement and the Plan. 

The Company and the Participant acknowledge receipt of this Stock Option Grant Notice and agree to the terms of the Stock Option Agreement attached hereto and
incorporated by reference herein, the Company’s 2017 Equity Incentive Plan and the terms of this Option Grant as set forth above. 
  

			
	MATEON THERAPEUTICS, INC.
		
	By:	 	  

	Name:	 	  

	Title:	 	  

	
	  

	Participant

 MATEON THERAPEUTICS, INC. 

STOCK OPTION AGREEMENT - INCORPORATED TERMS AND CONDITIONS 

AGREEMENT made as of the date of grant set forth in the Stock Option Grant Notice by and between Mateon Therapeutics, Inc. (the
“Company”), a Delaware corporation, and the individual whose name appears on the Stock Option Grant Notice (the “Participant”). 

WHEREAS, the Company desires to grant to the Participant an Option to purchase shares of its common stock, $0.01 par value per share (the
“Shares”), under and for the purposes set forth in the Company’s 2017 Equity Incentive Plan (the “Plan”); 

WHEREAS, the Company and the Participant understand and agree that any terms used and not defined herein have the same meanings as in the
Plan; and 
 WHEREAS, the Company and the Participant each intend that the Option granted herein shall be of the type set forth in the Stock
Option Grant Notice. 
 NOW, THEREFORE, in consideration of the mutual covenants hereinafter set forth and for other good and valuable
consideration, the parties hereto agree as follows: 
  

	 	1.	GRANT OF OPTION. 

 The Company hereby grants to the Participant the right and option to
purchase all or any part of an aggregate of the number of Shares set forth in the Stock Option Grant Notice, on the terms and conditions and subject to all the limitations set forth herein, under United States securities and tax laws, and in the
Plan, which is incorporated herein by reference. The Participant acknowledges receipt of a copy of the Plan. 
  

	 	2.	EXERCISE PRICE. 

 The exercise price of the Shares covered by the Option shall be the
amount per Share set forth in the Stock Option Grant Notice, subject to adjustment, as provided in the Plan, in the event of a stock split, reverse stock split or other events affecting the holders of Shares after the date hereof (the “Exercise
Price”). Payment shall be made in accordance with Paragraph 10 of the Plan. 
  

	 	3.	EXERCISABILITY OF OPTION. 

 Subject to the terms and conditions set forth in this
Agreement and the Plan, the Option granted hereby shall become vested and exercisable as set forth in the Stock Option Grant Notice and is subject to the other terms and conditions of this Agreement and the Plan. 

 

	 	4.	TERM OF OPTION. 

 This Option shall terminate on the Option Expiration Date as specified
in the Stock Option Grant Notice, but shall be subject to earlier termination as provided herein or in the Plan. 
 If the Participant
ceases to be an Employee, director or Consultant of the Company or of an Affiliate for any reason other than the death or Disability of the Participant, or termination of the Participant for Cause (the “Termination Date”), the Option to
the extent then vested and exercisable pursuant to Section 3 hereof as of the Termination Date, and not previously terminated in accordance with this Agreement, may be exercised within three months after the Termination Date, or on or prior to
the Option Expiration Date as specified in the Stock Option Grant Notice, whichever is earlier, but may not be exercised thereafter except as set forth below. In such event, the unvested portion of the Option shall not be exercisable and shall
expire and be cancelled on the Termination Date. 
 In the event of the Participant’s Disability or death within three months after the
Termination Date, the Participant or the Participant’s Survivors may exercise the Option within one year after the Termination Date, but in no event after the Option Expiration Date as specified in the Stock Option Grant Notice. 

In the event the Participant’s service is terminated by the Company or an Affiliate for Cause, the Participant’s right to exercise
any unexercised portion of this Option even if vested shall cease immediately as of the time the Participant is notified his or her service is terminated for Cause, and this Option shall thereupon terminate. Notwithstanding anything herein to the
contrary, if subsequent to the Participant’s termination, but prior to the exercise of the Option, the Administrator determines that, either prior or subsequent to the Participant’s termination, the Participant engaged in conduct which
would constitute Cause, then the Participant shall immediately cease to have any right to exercise the Option and this Option shall thereupon terminate. 

 In the event of the Disability of the Participant, as determined in accordance with the Plan, the
Option shall be exercisable within one year after the Participant’s termination of service due to Disability or, if earlier, on or prior to the Option Expiration Date as specified in the Stock Option Grant Notice. In such event, the Option
shall be exercisable: 
  

	 	(a)	to the extent that the Option has become exercisable but has not been exercised as of the date of the Participant’s termination of service due to Disability; and 

 

	 	(b)	in the event rights to exercise the Option accrue periodically, to the extent of a pro rata portion through the date of the Participant’s termination of service due to Disability of any additional vesting rights
that would have accrued on the next vesting date had the Participant not become Disabled. The proration shall be based upon the number of days accrued in the current vesting period prior to the date of the Participant’s termination of service
due to Disability. 

 In the event of the death of the Participant while an Employee, director or Consultant of the Company or
of an Affiliate, the Option shall be exercisable by the Participant’s Survivors within one year after the date of death of the Participant or, if earlier, on or prior to the Option Expiration Date as specified in the Stock Option Grant Notice.
In such event, the Option shall be exercisable: 
  

	 	(x)	to the extent that the Option has become exercisable but has not been exercised as of the date of death; and 

  

	 	(y)	in the event rights to exercise the Option accrue periodically, to the extent of a pro rata portion through the date of death of any additional vesting rights that would have accrued on the next vesting date had the
Participant not died. The proration shall be based upon the number of days accrued in the current vesting period prior to the Participant’s date of death. 

  

	 	5.	METHOD OF EXERCISING OPTION. 

 Subject to the terms and conditions of this Agreement, the
Option may be exercised by written notice to the Company or its designee, in substantially the form of Exhibit A attached hereto (or in such other form acceptable to the Company, which may include electronic notice). Such
notice shall state the number of Shares with respect to which the Option is being exercised and shall be signed by the person exercising the Option (which signature may be provided electronically in a form acceptable to the Company). Payment of the
Exercise Price for such Shares shall be made in accordance with Paragraph 10 of the Plan. The Company shall deliver such Shares as soon as practicable after the notice shall be received, provided, however, that the Company may delay issuance of such
Shares until completion of any action or obtaining of any consent, which the Company deems necessary under any applicable law (including, without limitation, state securities or “blue sky” laws). The Shares as to which the Option shall
have been so exercised shall be registered in the Company’s share register in the name of the person so exercising the Option (or, if the Option shall be exercised by the Participant and if the Participant shall so request in the notice
exercising the Option, shall be registered in the Company’s share register in the name of the Participant and another person jointly, with right of survivorship) and shall be delivered as provided above to or upon the written order of the
person exercising the Option. In the event the Option shall be exercised, pursuant to Section 4 hereof, by any person other than the Participant, such notice shall be accompanied by appropriate proof of the right of such person to exercise the
Option. All Shares that shall be purchased upon the exercise of the Option as provided herein shall be fully paid and nonassessable. 
  

	 	6.	PARTIAL EXERCISE. 

 Exercise of this Option to the extent above stated may be made in
part at any time and from time to time within the above limits, except that no fractional share shall be issued pursuant to this Option. 
  

	 	7.	NON-ASSIGNABILITY. 

 The Option shall not
be transferable by the Participant otherwise than by will, by the laws of descent and distribution or pursuant to a qualified domestic relations order as defined by the Code or Title I of the Employee Retirement Income Security Act or the rules
thereunder, and the Participant, with the approval of the Administrator, may transfer the Option for no consideration to or for the benefit of the Participant’s Immediate Family (including, without limitation, to a trust for the benefit of the
Participant’s Immediate Family or to a partnership or limited liability company for one or more members of the Participant’s Immediate Family), subject to such limits as the Administrator may establish. Such transferee shall remain subject
to all the terms and conditions applicable to the Option prior to such transfer and each such transferee shall so acknowledge in writing as a condition precedent to the effectiveness of such transfer. The term “Immediate Family” shall mean
the Participant’s spouse, former spouse, 

  
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parents, children, stepchildren, adoptive relationships, sisters, brothers, nieces, nephews and grandchildren (and, for this purpose, shall also include the Participant). Except as
provided above in this paragraph, the Option shall be exercisable, during the Participant’s lifetime, only by the Participant (or, in the event of legal incapacity or incompetency, by the Participant’s guardian or representative) and shall
not be assigned, pledged or hypothecated in any way (whether by operation of law or otherwise) and shall not be subject to execution, attachment or similar process. Any attempted transfer, assignment, pledge, hypothecation or other disposition of
the Option or of any rights granted hereunder contrary to the provisions of this Section 7, or the levy of any attachment or similar process upon the Option shall be null and void. 

 

	 	8.	NO RIGHTS AS STOCKHOLDER UNTIL EXERCISE. 

 The Participant shall have no rights as a
stockholder with respect to Shares subject to this Agreement until registration of the Shares in the Company’s share register in the name of the Participant. Except as is expressly provided in the Plan with respect to certain changes in the
capitalization of the Company, no adjustment shall be made for dividends or similar rights for which the record date is prior to the date of such registration. 
  

	 	9.	ADJUSTMENTS. 

 The Plan contains provisions covering the treatment of Options in a number
of contingencies such as stock splits and mergers. Provisions in the Plan for adjustment with respect to stock subject to Options and the related provisions with respect to successors to the business of the Company are hereby made applicable
hereunder and are incorporated herein by reference. 
  

	 	10.	TAXES. 

 The Participant acknowledges that any income or other taxes due from him or her
with respect to this Option or the Shares issuable pursuant to this Option shall be the Participant’s responsibility. The Participant acknowledges and agrees that (i) the Participant was free to use professional advisors of his or her
choice in connection with this Agreement, has received advice from his or her professional advisors in connection with this Agreement, understands its meaning and import, and is entering into this Agreement freely and without coercion or duress;
(ii) the Participant has not received and is not relying upon any advice, representations or assurances made by or on behalf of the Company or any Affiliate or any employee of or counsel to the Company or any Affiliate regarding any tax or
other effects or implications of the Option, the Shares or other matters contemplated by this Agreement; and (iii) neither the Administrator, the Company, its Affiliates, nor any of its officers or directors, shall be held liable for any
applicable costs, taxes, or penalties associated with the Option if, in fact, the Internal Revenue Service were to determine that the Option constitutes deferred compensation under Section 409A of the Code. 

The Participant agrees that the Company may withhold from the Participant’s remuneration, if any, the minimum statutory amount of
federal, state and local withholding taxes attributable to such amount that is considered compensation includable in such person’s gross income. At the Company’s discretion, the amount required to be withheld may be withheld in cash from
such remuneration, or in kind from the Shares otherwise deliverable to the Participant on exercise of the Option. The Participant further agrees that, if the Company does not withhold an amount from the Participant’s remuneration sufficient to
satisfy the Company’s income tax withholding obligation, the Participant will reimburse the Company on demand, in cash, for the amount under-withheld. 
  

	 	11.	PURCHASE FOR INVESTMENT. 

 Unless the offering and sale of the Shares to be issued upon
the particular exercise of the Option shall have been effectively registered under the Securities Act, the Company shall be under no obligation to issue the Shares covered by such exercise unless the Company has determined that such exercise and
issuance would be exempt from the registration requirements of the Securities Act and until the following conditions have been fulfilled: 
  

	 	(a)	The person(s) who exercise the Option shall warrant to the Company, at the time of such exercise, that such person(s) are acquiring such Shares for their own respective accounts, for investment, and not with a view to,
or for sale in connection with, the distribution of any such Shares, in which event the person(s) acquiring such Shares shall be bound by the provisions of the following legend which shall be endorsed upon any certificate(s) evidencing the Shares
issued pursuant to such exercise: 

 “The shares represented by this certificate have been taken for investment and they
may not be sold or otherwise transferred by any person, including a pledgee, unless (1) either (a) a Registration Statement with respect to such shares shall be effective under the Securities Act of 1933, as amended, or (b) the Company
shall have received an opinion of counsel satisfactory to it that an exemption from registration under such Act is then available, and (2) there shall have been compliance with all applicable state securities laws;” and 

  
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 (b)    If the Company so requires, the Company shall have received an
opinion of its counsel that the Shares may be issued upon such particular exercise in compliance with the Securities Act without registration thereunder. Without limiting the generality of the foregoing, the Company may delay issuance of the Shares
until completion of any action or obtaining of any consent, which the Company deems necessary under any applicable law (including without limitation state securities or “blue sky” laws). 

 

	 	12.	RESTRICTIONS ON TRANSFER OF SHARES. 

 12.1    The Participant agrees
that in the event the Company proposes to offer for sale to the public any of its equity securities and such Participant is requested by the Company and any underwriter engaged by the Company in connection with such offering to sign an agreement
restricting the sale or other transfer of Shares, then it will promptly sign such agreement and will not transfer, whether in privately negotiated transactions or to the public in open market transactions or otherwise, any Shares or other securities
of the Company held by him or her during such period as is determined by the Company and the underwriters, not to exceed 180 days following the closing of the offering, plus such additional period of time as may be required to comply with
Marketplace Rule 2711 of the National Association of Securities Dealers, Inc. or similar rules thereto (such period, the “Lock-Up Period”). Such agreement shall be in writing and in form and
substance reasonably satisfactory to the Company and such underwriter and pursuant to customary and prevailing terms and conditions. Notwithstanding whether the Participant has signed such an agreement, the Company may impose stop-transfer
instructions with respect to the Shares or other securities of the Company subject to the foregoing restrictions until the end of the Lock-Up Period. 

12.2    The Participant acknowledges and agrees that neither the Company, its shareholders nor its directors and officers,
has any duty or obligation to disclose to the Participant any material information regarding the business of the Company or affecting the value of the Shares before, at the time of, or following a termination of the service of the Participant by the
Company, including, without limitation, any information concerning plans for the Company to make a public offering of its securities or to be acquired by or merged with or into another firm or entity. 

 

	 	13.	NO OBLIGATION TO MAINTAIN RELATIONSHIP. 

 The Participant acknowledges that: (i) the
Company is not by the Plan or this Option obligated to continue the Participant as an Employee, director or Consultant of the Company or an Affiliate; (ii) the Plan is discretionary in nature and may be suspended or terminated by the Company at
any time; (iii) the grant of the Option is a one-time benefit which does not create any contractual or other right to receive future grants of options, or benefits in lieu of options; (iv) all
determinations with respect to any such future grants, including, but not limited to, the times when options shall be granted, the number of shares subject to each option, the option price, and the time or times when each option shall be
exercisable, will be at the sole discretion of the Company; (v) the Participant’s participation in the Plan is voluntary; (vi) the value of the Option is an extraordinary item of compensation which is outside the scope of the
Participant’s employment or consulting contract, if any; and (vii) the Option is not part of normal or expected compensation for purposes of calculating any severance, resignation, redundancy, end of service payments, bonuses, long-service
awards, pension or retirement benefits or similar payments. 
  

	 	14.	NOTICES. 

 Any notices required or permitted by the terms of this Agreement or the Plan
shall be given by recognized courier service, facsimile, registered or certified mail, return receipt requested, addressed as follows: 
 If to the Company:

 Mateon Therapeutics, Inc. 

701 Gateway Blvd, Suite 210 

South San Francisco, CA 94080 

Attention: Chief Financial Officer 
 If to the
Participant at the address set forth on the Stock Option Grant Notice 
 or to such other address or addresses of which notice in the same manner has
previously been given. Any such notice shall be deemed to have been given upon the earlier of receipt, one business day following delivery to a recognized courier service or three business days following mailing by registered or certified mail. 

  
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	 	15.	GOVERNING LAW. 

 This Agreement shall be governed by and construed in accordance with the
laws of the State of Delaware, without giving effect to the conflict of law principles thereof. For the purpose of litigating any dispute that arises under this Agreement, the parties hereby consent to exclusive jurisdiction in California and agree
that such litigation shall be conducted in the state courts of San Mateo County, California or the federal courts of the United States for the Northern District of California. 

 

	 	16.	BENEFIT OF AGREEMENT. 

 Subject to the provisions of the Plan and the other provisions
hereof, this Agreement shall be for the benefit of and shall be binding upon the heirs, executors, administrators, successors and assigns of the parties hereto. 
  

	 	17.	ENTIRE AGREEMENT. 

 This Agreement, together with the Plan, embodies the entire agreement
and understanding between the parties hereto with respect to the subject matter hereof and supersedes all prior oral or written agreements and understandings relating to the subject matter hereof. No statement, representation, warranty, covenant or
agreement not expressly set forth in this Agreement shall affect or be used to interpret, change or restrict, the express terms and provisions of this Agreement, provided, however, in any event, this Agreement shall be subject to and governed by the
Plan. 
  

	 	18.	MODIFICATIONS AND AMENDMENTS. 

 The terms and provisions of this Agreement may be
modified or amended as provided in the Plan. 
  

	 	19.	WAIVERS AND CONSENTS. 

 Except as provided in the Plan, the terms and provisions of this
Agreement may be waived, or consent for the departure therefrom granted, only by written document executed by the party entitled to the benefits of such terms or provisions. No such waiver or consent shall be deemed to be or shall constitute a
waiver or consent with respect to any other terms or provisions of this Agreement, whether or not similar. Each such waiver or consent shall be effective only in the specific instance and for the purpose for which it was given, and shall not
constitute a continuing waiver or consent. 
  

	 	20.	DATA PRIVACY. 

 By entering into this Agreement, the Participant: (i) authorizes the
Company and each Affiliate, and any agent of the Company or any Affiliate administering the Plan or providing Plan recordkeeping services, to disclose to the Company or any of its Affiliates such information and data as the Company or any such
Affiliate shall request in order to facilitate the grant of options and the administration of the Plan; and (ii) authorizes the Company and each Affiliate to store and transmit such information in electronic form for the purposes set forth in
this Agreement. 
 [REMAINDER OF PAGE INTENTIONALLY LEFT BLANK] 

  
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 Exhibit A 

NOTICE OF EXERCISE OF STOCK OPTION 
  

	To:	Mateon Therapeutics, Inc. 

 IMPORTANT NOTICE: This form of Notice of Exercise may only be used at such
time as the Company has filed a Registration Statement with the Securities and Exchange Commission under which the issuance of the Shares for which this exercise is being made is registered and such Registration Statement remains effective. 

Ladies and Gentlemen: 
 I hereby exercise my
Stock Option to purchase                      shares (the “Shares”) of the common stock, $0.01 par value, of Mateon Therapeutics, Inc. (the
“Company”), at the exercise price of $         per share, pursuant to and subject to the terms of that Stock Option Grant Notice dated
            , 20    . 
 I understand the nature of the
investment I am making and the financial risks thereof. I am aware that it is my responsibility to have consulted with competent tax and legal advisors about the relevant national, state and local income tax and securities laws affecting the
exercise of the Option and the purchase and subsequent sale of the Shares. 
 I am paying the option exercise price for the Shares as
follows: 
  

                       
                                         
                                         
                
 Please issue the Shares (check one): 

 

	 	☐	to me; or 

  

	 	☐	to me and                     , as joint tenants with right of survivorship, 

at the following address: 
  

                       
                                         
                 

                       
                                         
                 

                       
                                         
                 
 My mailing address for shareholder
communications, if different from the address listed above, is: 
  

                       
                                         
                 

                       
                                         
                 

                       
                                         
                 
  

	
	Very truly yours,
	
	  

	 Participant (signature)

	
	  

	 Print Name

	
	  

	 Date

  
 Exhibit A-1EX-10.3

 EXHIBIT 10.3 

AMENDED AND RESTATED 

MATEON THERAPEUTICS, INC. 

2005 STOCK PLAN 
 (as
amended and restated on January 12, 2017) 
  

	1.	DEFINITIONS. 

 Unless otherwise specified or unless the context otherwise requires, the following
terms, as used in this Mateon Therapeutics, Inc. 2005 Stock Plan, have the following meanings: 
 Administrator means the Board of Directors, unless
it has delegated power to act on its behalf to the Committee, in which case the Administrator means the Committee. 
 Affiliate means a corporation
which, for purposes of Section 424 of the Code, is a parent or subsidiary of the Company, direct or indirect. 
 Agreement means an agreement
between the Company and a Participant delivered pursuant to the Plan, in such form as the Administrator shall approve. 
 Board of Directors means
the Board of Directors of the Company. 
 California Participant means a Participant who resides in the State of California. 

Code means the United States Internal Revenue Code of 1986, as amended. 

Committee means the committee of the Board of Directors to which the Board of Directors has delegated power to act under or pursuant to the provisions
of the Plan. 
 Common Stock means shares of the Company’s common stock, $.01 par value per share. 

Company means Mateon Therapeutics, Inc., a Delaware corporation. 

Disability or Disabled means permanent and total disability as defined in Section 22(e)(3) of the Code. 

Employee means any employee of the Company or of an Affiliate (including, without limitation, an employee who is also serving as an officer or director
of the Company or of an Affiliate), designated by the Administrator to be eligible to be granted one or more Stock Rights under the Plan. 
 Fair Market
Value of a Share of Common Stock means: 
 (1) If the Common Stock is listed on a national securities exchange or traded in the over-the-counter market and sales prices are regularly reported for the Common Stock, the closing or last price of the Common Stock on the composite tape or other comparable
reporting system for the trading day on the applicable date and if such date is not a trading day, the last market trading day prior to such date; 

(2) If the Common Stock is not traded on a national securities exchange but is traded on the over-the-counter market, if sales prices are not regularly reported for the Common Stock for the trading day referred to in clause (1), and if bid and asked prices for the Common Stock are regularly reported,
the mean between the bid and the asked price for the Common Stock at the close of trading in the over-the-counter market for the trading day on which Common Stock was
traded on the applicable date and if such date is not a trading day, the last market trading day prior to such date; and 
 (3) If the Common
Stock is neither listed on a national securities exchange nor traded in the over-the-counter market, such value as the Administrator, in good faith, shall determine.

 ISO means an option meant to qualify as an incentive stock option under Section 422 of the Code. 

Non-Qualified Option means an option which is not intended to qualify as an ISO. 

Option means an ISO or Non-Qualified Option granted under the Plan. 

Participant means an Employee, director or consultant of the Company or an Affiliate to whom one or more Stock Rights are granted under the Plan. As
used herein, “Participant” shall include “Participant’s Survivors” where the context requires. 
 Plan means this Amended
and Restated Mateon Therapeutics, Inc. 2005 Stock Plan. 

 Shares means shares of the Common Stock as to which Stock Rights have been or may be granted under the
Plan or any shares of capital stock into which the Shares are changed or for which they are exchanged within the provisions of Paragraph 3 of the Plan. The Shares issued under the Plan may be authorized and unissued shares or shares held by the
Company in its treasury, or both. 
 Stock-Based Award means a grant by the Company under the Plan of an equity award or equity based award which is
not an Option or Stock Grant. 
 Stock Grant means a grant by the Company of Shares under the Plan. 

Stock Right means a right to Shares or the value of Shares of the Company granted pursuant to the Plan— an ISO, a
Non-Qualified Option, a Stock Grant or a Stock-Based Award. 
 Survivor means a deceased Participant’s
legal representatives and/or any person or persons who acquired the Participant’s rights to a Stock Right by will or by the laws of descent and distribution. 
  

	2.	PURPOSES OF THE PLAN. 

 The Plan is
intended to encourage ownership of Shares by Employees and directors of and certain consultants to the Company in order to attract such people, to induce them to work for the benefit of the Company or of an Affiliate and to provide additional
incentive for them to promote the success of the Company or of an Affiliate. The Plan provides for the granting of ISOs, Non-Qualified Options, Stock Grants and Stock-Based Awards. 

 

	3.	SHARES SUBJECT TO THE PLAN. 

(a) The number of Shares which may be issued from time to time pursuant to this Plan, shall be 833,333 shares of Common Stock or the equivalent of such number
of Shares after the Administrator, in its sole discretion, has interpreted the effect of any stock split, stock dividend, combination, recapitalization or similar transaction in accordance with Paragraph 24 of the Plan. 

(b) If an Option ceases to be outstanding, in whole or in part (other than by exercise), or if the Company shall reacquire (at no more than its original
issuance price) any Shares issued pursuant to a Stock Grant or Stock-Based Award, or if any Stock Right expires or is forfeited, cancelled, or otherwise terminated or results in any Shares not being issued, the unissued or reacquired Shares which
were subject to such Stock Right shall again be available for issuance from time to time pursuant to this Plan. Notwithstanding the foregoing, if a Stock Right is exercised, in whole or in part, by tender of Shares or if the Company or an
Affiliate’s tax withholding obligation is satisfied by withholding Shares, the number of Shares deemed to have been issued under the Plan for purposes of the limitation set forth in Paragraph 3(a) above shall be the number of Shares that were
subject to the Stock Right or portion thereof, and not the net number of Shares actually issued. 
  

	4.	ADMINISTRATION OF THE PLAN. 

 The
Administrator of the Plan will be the Board of Directors, except to the extent the Board of Directors delegates its authority to the Committee, in which case the Committee shall be the Administrator. Subject to the provisions of the Plan, the
Administrator is authorized to: 
 a. Interpret the provisions of the Plan and all Stock Rights and to make all rules and determinations
which it deems necessary or advisable for the administration of the Plan; 
 b. Determine which Employees, directors and consultants shall be
granted Stock Rights; 
 c. Determine the number of Shares for which a Stock Right or Stock Rights shall be granted; provided, however, that
in no event shall Stock Rights with respect to more than 200,000 Shares be granted to any Participant in any fiscal year; 
 d. Specify the
terms and conditions upon which a Stock Right or Stock Rights may be granted; and 
 e. Adopt any
sub-plans applicable to residents of any specified jurisdiction as it deems necessary or appropriate in order to comply with or take advantage of any tax or other laws applicable to the Company or to Plan
Participants or to otherwise facilitate the administration of the Plan, which sub-plans may include additional restrictions or conditions applicable to Stock Rights or Shares issuable pursuant to a Stock
Right; provided, however, that all such interpretations, rules, determinations, terms and conditions shall be made and prescribed in the context of not causing any adverse tax consequences under Section 409A of the Code and preserving the tax
status under Section 422 of the Code of those Options which are designated as ISOs. Subject to the foregoing, the interpretation and construction by the Administrator of any provisions of the Plan or of any Stock Right granted under it shall be
final, unless otherwise determined by the Board of Directors, if the Administrator is the Committee. In addition, if the Administrator is the Committee, the Board of Directors may take any action under the Plan that would otherwise be the
responsibility of the Committee. 
 To the extent permitted under applicable law, the Board of Directors or the Committee may allocate all or any portion of
its responsibilities and powers to any one or more of its members and may delegate all or any portion of its responsibilities and powers to any person selected by it. The Board of Directors or the Committee may revoke any such allocation or
delegation at any time. 

  
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	5.	ELIGIBILITY FOR PARTICIPATION. 

 The Administrator will,
in its sole discretion, name the Participants in the Plan, provided, however, that each Participant must be an Employee, director or consultant of the Company or of an Affiliate at the time a Stock Right is granted. Notwithstanding the foregoing,
the Administrator may authorize the grant of a Stock Right to a person not then an Employee, director or consultant of the Company or of an Affiliate; provided, however, that the actual grant of such Stock Right shall be conditioned upon such person
becoming eligible to become a Participant at or prior to the time of the execution of the Agreement evidencing such Stock Right. ISOs may be granted only to Employees. Non-Qualified Options, Stock Grants and
Stock-Based Awards may be granted to any Employee, director or consultant of the Company or an Affiliate. The granting of any Stock Right to any individual shall neither entitle that individual to, nor disqualify him or her from, participation in
any other grant of Stock Rights. 
  

	6.	TERMS AND CONDITIONS OF OPTIONS. 

Each Option shall be set forth in writing in an Option Agreement, duly executed by the Company and, to the extent required by law or requested by the Company,
by the Participant. The Administrator may provide that Options be granted subject to such terms and conditions, consistent with the terms and conditions specifically required under this Plan, as the Administrator may deem appropriate including,
without limitation, subsequent approval by the shareholders of the Company of this Plan or any amendments thereto. The Option Agreements shall be subject to at least the following terms and conditions: 

A. Non-Qualified Options:    Each Option intended to be a Non-Qualified Option shall be subject to the terms and conditions which the Administrator determines to be appropriate and in the best interest of the Company, subject to the following minimum standards for any such
Non-Qualified Option: 
 a. Option
Price:    Each Option Agreement shall state the option price (per share) of the Shares covered by each Option, which option price shall be determined by the Administrator but shall not be less than the Fair
Market Value per share of Common Stock. 
 b. Number of
Shares:    Each Option Agreement shall state the number of Shares to which it pertains. 
 c.
Option Periods:    Each Option Agreement shall state the date or dates on which it first is exercisable and the date after which it may no longer be exercised, and may provide that the Option
rights accrue or become exercisable in installments over a period of months or years, or upon the occurrence of certain conditions or the attainment of stated goals or events. For California Participants for so long as the Common Stock is not deemed
a covered security pursuant to Section 18(b)(1) of the Securities Act, the exercise period of the Option set forth in the Option Agreement shall not be more than 120 months from the date of grant. 

d. Option Conditions:    Exercise of any Option may be conditioned upon the
Participant’s execution of a share purchase agreement in form satisfactory to the Administrator providing for certain protections for the Company and its other shareholders, including requirements that: 

i. The Participant’s or the Participant’s Survivors’ right to sell or transfer the Shares may be restricted; and 

ii. The Participant or the Participant’s Survivors may be required to execute letters of investment intent and must also acknowledge that
the Shares will bear legends noting any applicable restrictions. 
 e. Option
Term:    Each Option shall terminate not more than ten years from the date of the grant or at such earlier time as the Option Agreement may provide. 

B. ISOs:    Each Option intended to be an ISO shall be issued only to an Employee and be subject to the following terms and
conditions, with such additional restrictions or changes as the Administrator determines are appropriate but not in conflict with Section 422 of the Code and relevant regulations and rulings of the Internal Revenue Service: 

a. Minimum standards:    The ISO shall meet the minimum standards required of Non-Qualified Options, as described in Paragraph 6(A) above, except clause (a) thereunder. 
 b.
Option Price:    Immediately before the ISO is granted, if the Participant owns, directly or by reason of the applicable attribution rules in Section 424(d) of the Code: 

i. 10% or less of the total combined voting power of all classes of stock of the Company or an Affiliate, the Option price per share of
the Shares covered by each ISO shall not be less than 100% of the Fair Market Value per share of the Shares on the date of the grant of the Option; or 

ii. More than 10% of the total combined voting power of all classes of stock of the Company or an Affiliate, the Option price per share of
the Shares covered by each ISO shall not be less than 110% of the Fair Market Value on the date of grant. 
 c. Term
of Option:    For Participants who own: 
 i. 10% or less of the total
combined voting power of all classes of stock of the Company or an Affiliate, each ISO shall terminate not more than ten years from the date of the grant or at such earlier time as the Option Agreement may provide; or 

  
 3 

 ii. More than 10% of the total combined voting power of all classes of stock of the Company or
an Affiliate, each ISO shall terminate not more than five years from the date of the grant or at such earlier time as the Option Agreement may provide. 

d. Limitation on Yearly Exercise:    The
Option Agreements shall restrict the amount of ISOs which may become exercisable in any calendar year (under this or any other ISO plan of the Company or an Affiliate) so that the aggregate Fair Market Value (determined at the time each ISO is
granted) of the stock with respect to which ISOs are exercisable for the first time by the Participant in any calendar year does not exceed $100,000. 
  

	7.	TERMS AND CONDITIONS OF STOCK GRANTS. 

Each offer of a Stock Grant to a Participant shall state the date prior to which the Stock Grant must be accepted by the Participant, and the principal terms
of each Stock Grant shall be set forth in an Agreement, duly executed by the Company and, to the extent required by law or requested by the Company, by the Participant. For California Participants for so long as the Common Stock is not deemed a
covered security pursuant to Section 18(b)(1) of the Securities Act, each Stock Grant shall be issued within ten (10) years from the earlier of the date the Plan is adopted or approved by the Company’s shareholders. The Agreement shall be
in a form approved by the Administrator and shall contain terms and conditions which the Administrator determines to be appropriate and in the best interest of the Company, subject to the following minimum standards: 

(a) Each Agreement shall state the purchase price (per share), if any, of the Shares covered by each Stock Grant, which purchase price shall be determined by
the Administrator but shall not be less than the minimum consideration required by the Delaware General Corporation Law on the date of the grant of the Stock Grant; 

(b) Each Agreement shall state the number of Shares to which the Stock Grant pertains; and 

(c) Each Agreement shall include the terms of any right of the Company to restrict or reacquire the Shares subject to the Stock Grant, including the time and
events upon which such rights shall accrue and the purchase price therefor, if any. 
  

	8.	TERMS AND CONDITIONS OF OTHER STOCK-BASED AWARDS. 

The Board shall have the right to grant other Stock-Based Awards based upon the Common Stock having such terms and conditions as the Board may determine,
including, without limitation, the grant of Shares based upon certain conditions, the grant of securities convertible into Shares and the grant of stock appreciation rights, phantom stock awards or stock units. The principal terms of each
Stock-Based Award shall be set forth in an Agreement, duly executed by the Company and, to the extent required by law or requested by the Company, by the Participant. The Agreement shall be in a form approved by the Administrator and shall contain
terms and conditions which the Administrator determines to be appropriate and in the best interest of the Company. 
 The Company intends that the Plan and
any Stock-Based Awards granted hereunder be exempt from the application of Section 409A of the Code or meet the requirements of paragraphs (2), (3) and (4) of subsection(a) of Section 409A of the Code, to the extent applicable, and be
operated in accordance with Section 409A so that any compensation deferred under any Stock-Based Award (and applicable investment earnings) shall not be included in income under Section 409A of the Code. Any ambiguities in the Plan shall
be construed to effect the intent as described in this Paragraph 8. 
  

	9.	EXERCISE OF OPTIONS AND ISSUE OF SHARES. 

An Option (or any part or installment thereof) shall be exercised by giving written notice to the Company or its designee, together with provision for payment
of the full purchase price in accordance with this Paragraph for the Shares as to which the Option is being exercised, and upon compliance with any other condition(s) set forth in the Option Agreement. Such notice shall be signed by the person
exercising the Option, shall state the number of Shares with respect to which the Option is being exercised and shall contain any representation required by the Plan or the Option Agreement. Payment of the purchase price for the Shares as to which
such Option is being exercised shall be made (a) in United States dollars in cash or by check, or (b) at the discretion of the Administrator, through delivery of shares of Common Stock having a Fair Market Value equal as of the date of the
exercise to the cash exercise price of the Option, or (c) at the discretion of the Administrator, by having the Company retain from the shares otherwise issuable upon exercise of the Option, a number of shares having a Fair Market Value equal
as of the date of exercise to the exercise price of the Option, or (d) at the discretion of the Administrator, by delivery of the grantee’s personal recourse note, bearing interest payable not less than annually at no less than 100% of the
applicable Federal rate, as defined in Section 1274(d) of the Code, with or without the pledge of such Shares as collateral, or (e) at the discretion of the Administrator, in accordance with a cashless exercise program established with a
securities brokerage firm, and approved by the Administrator, or (f) at the discretion of the Administrator, by any combination of (a), (b), (c), (d) and (e) above, or (g) at the discretion of the Administrator, payment of such other
lawful consideration as the Board may determine. Notwithstanding the foregoing, the Administrator shall accept only such payment on exercise of an ISO as is permitted by Section 422 of the Code. 

The Company shall then reasonably promptly deliver the Shares as to which such Option was exercised to the Participant (or to the Participant’s
Survivors, as the case may be). In determining what constitutes “reasonably promptly,” it is expressly understood that the 

  
 4 

 
issuance and delivery of the Shares may be delayed by the Company in order to comply with any law or regulation (including, without limitation, state securities or “blue sky” laws)
which requires the Company to take any action with respect to the Shares prior to their issuance. The Shares shall, upon delivery, be fully paid, non-assessable Shares. 

The Administrator shall have the right to accelerate the date of exercise of any installment of any Option; provided that the Administrator shall not
accelerate the exercise date of any installment of any Option granted to an Employee as an ISO (and not previously converted into a Non-Qualified Option pursuant to Paragraph 27) if such acceleration would
violate the annual vesting limitation contained in Section 422(d) of the Code, as described in Paragraph 6.B.d. 
 The Administrator may, in its
discretion, amend any term or condition of an outstanding Option provided (i) such term or condition as amended is permitted by the Plan, (ii) any such amendment shall be made only with the consent of the Participant to whom the Option was
granted, or in the event of the death of the Participant, the Participant’s Survivors, if the amendment is adverse to the Participant, and (iii) any such amendment of any Option shall be made only after the Administrator determines whether
such amendment would constitute a “modification” of any Option which is an ISO (as that term is defined in Section 424(h) of the Code) or would cause any adverse tax consequences for the holder of any Option including, but not limited
to, pursuant to Section 409A of the Code. 
  

	10.	ACCEPTANCE OF STOCK GRANTS AND STOCK-BASED AWARDS AND
ISSUE OF SHARES. 

 A Stock Grant or Stock-Based Award (or any part or installment
thereof) shall be accepted by executing the applicable Agreement and delivering it to the Company or its designee, together with provision for payment of the full purchase price, if any, in accordance with this Paragraph for the Shares as to which
such Stock Grant or Stock-Based Award is being accepted, and upon compliance with any other conditions set forth in the applicable Agreement. Payment of the purchase price for the Shares as to which such Stock Grant or Stock-Based Award is being
accepted shall be made (a) in United States dollars in cash or by check, or (b) at the discretion of the Administrator, through delivery of shares of Common Stock having a Fair Market Value equal as of the date of acceptance of the Stock
Grant or Stock-Based Award to the purchase price of the Stock Grant or Stock-Based Award, or (c) at the discretion of the Administrator, by delivery of the grantee’s personal recourse note bearing interest payable not less than annually at
no less than 100% of the applicable Federal rate, as defined in Section 1274(d) of the Code, or (d) at the discretion of the Administrator, by any combination of (a), (b) and (c) above. 

The Company shall then, if required pursuant to the applicable Agreement, reasonably promptly deliver the Shares as to which such Stock Grant or Stock-Based
Award was accepted to the Participant (or to the Participant’s Survivors, as the case may be), subject to any escrow provision set forth in the applicable Agreement. In determining what constitutes “reasonably promptly,” it is
expressly understood that the issuance and delivery of the Shares may be delayed by the Company in order to comply with any law or regulation (including, without limitation, state securities or “blue sky” laws) which requires the Company
to take any action with respect to the Shares prior to their issuance. 
 The Administrator may, in its discretion, amend any term or condition of an
outstanding Stock Grant, Stock-Based Award or applicable Agreement provided (i) such term or condition as amended is permitted by the Plan, (ii) any such amendment shall be made only with the consent of the Participant to whom the Stock
Grant or Stock-Based Award was made, if the amendment is adverse to the Participant and (iii) any such amendment shall be made only after the Administrator determines whether such amendment would cause any adverse tax consequences to the
Participant, including, but not limited to, pursuant to Section 409A of the Code. 
  

	11.	RIGHTS AS A SHAREHOLDER. 

 No
Participant to whom a Stock Right has been granted shall have rights as a shareholder with respect to any Shares covered by such Stock Right, except after due exercise of the Option or acceptance of the Stock Grant or as set forth in any Agreement
and tender of the full purchase price, if any, for the Shares being purchased pursuant to such exercise or acceptance and registration of the Shares in the Company’s share register in the name of the Participant. 

 

	12.	ASSIGNABILITY AND TRANSFERABILITY OF STOCK RIGHTS. 

By its terms, a Stock Right granted to a Participant shall not be transferable by the Participant other than (i) by will or by the laws of descent and
distribution, or (ii) as approved by the Administrator in its discretion and set forth in the applicable Agreement provided that no Stock Right may be transferred by a Participant for value. For California Participants for so long as the Common
Stock is not deemed a covered security pursuant to Section 18(b)(1) of the Securities Act, Stock Rights shall not be transferable by the Participant other than by will or by the laws of descent and distribution, to a revocable trust, or as permitted
by Rule 701 of the Securities Act. Notwithstanding the foregoing, an ISO transferred except in compliance with clause(i) above shall no longer qualify as an ISO. The designation of a beneficiary of a Stock Right by a Participant, with the prior
approval of the Administrator and in such form as the Administrator shall prescribe, shall not be deemed a transfer prohibited by this Paragraph. Except as provided above, a Stock Right shall only be exercisable or may only be accepted, during the
Participant’s lifetime, by such Participant (or by his or her legal representative) and shall not be assigned, pledged or hypothecated in any way (whether by operation of law or otherwise) and shall not be subject to execution, attachment or
similar process. Any attempted transfer, assignment, pledge, hypothecation or other disposition of any Stock Right or of any rights granted thereunder contrary to the provisions of this Plan, or the levy of any attachment or similar process upon a
Stock Right, shall be null and void. 

  
 5 

	13.	EFFECT ON OPTIONS OF TERMINATION OF SERVICE OTHER
THAN “FOR CAUSE” OR DEATH OR DISABILITY. 

Except as otherwise provided in a Participant’s Option Agreement, in the event of a termination of service (whether as an employee, director or
consultant) with the Company or an Affiliate before the Participant has exercised an Option, the following rules apply: 
 a. A Participant
who ceases to be an employee, director or consultant of the Company or of an Affiliate (for any reason other than termination “for cause”, Disability, or death for which events there are special rules in Paragraphs 14, 15, and 16,
respectively), may exercise any Option granted to him or her to the extent that the Option is exercisable on the date of such termination of service, but only within such term as the Administrator has designated in a Participant’s Option
Agreement. 
 b. Except as provided in Subparagraph (c) below, or Paragraph 15 or 16, in no event may an Option intended to be an ISO,
be exercised later than three months after the Participant’s termination of employment. For Options granted to California Participants for so long as the Common Stock is not deemed a covered security pursuant to Section 18(b)(1) of the
Securities Act, an Option must be exercisable for at least thirty (30) days from the date of a Participant’s termination of employment. 

c. The provisions of this Paragraph, and not the provisions of Paragraph 15 or 16, shall apply to a Participant who subsequently becomes
Disabled or dies after the termination of employment, director status or consultancy; provided, however, in the case of a Participant’s Disability or death within three months after the termination of employment, director status or consultancy,
the Participant or the Participant’s Survivors may exercise the Option within one year after the date of the Participant’s termination of service, but in no event after the date of expiration of the term of the Option. 

d. Notwithstanding anything herein to the contrary, if subsequent to a Participant’s termination of employment, termination of director
status or termination of consultancy, but prior to the exercise of an Option, the Board of Directors determines that, either prior or subsequent to the Participant’s termination, the Participant engaged in conduct which would constitute
“cause”, then such Participant shall forthwith cease to have any right to exercise any Option. 
 e. A Participant to whom an
Option has been granted under the Plan who is absent from the Company or an Affiliate because of temporary disability (any disability other than a Disability as defined in Paragraph 1 hereof), or who is on leave of absence for any purpose, shall
not, during the period of any such absence, be deemed, by virtue of such absence alone, to have terminated such Participant’s employment, director status or consultancy with the Company or with an Affiliate, except as the Administrator may
otherwise expressly provide. 
 f. Except as required by law or as set forth in a Participant’s Option Agreement, Options granted under
the Plan shall not be affected by any change of a Participant’s status within or among the Company and any Affiliates, so long as the Participant continues to be an employee, director or consultant of the Company or any Affiliate. 

 

	14.	EFFECT ON OPTIONS OF TERMINATION OF SERVICE “FOR
CAUSE”. 

 Except as otherwise provided in a Participant’s Option Agreement, the following rules apply if the
Participant’s service (whether as an employee, director or consultant) with the Company or an Affiliate is terminated “for cause” prior to the time that all his or her outstanding Options have been exercised: 

a. All outstanding and unexercised Options as of the time the Participant is notified his or her service is terminated “for cause”
will immediately be forfeited. 
 b. For purposes of this Plan, “cause” shall include (and is not limited to) dishonesty with
respect to the Company or any Affiliate, insubordination, substantial malfeasance or non-feasance of duty, unauthorized disclosure of confidential information, breach by the Participant of any provision of any
employment, consulting, advisory, nondisclosure, non-competition or similar agreement between the Participant and the Company, and conduct substantially prejudicial to the business of the Company or any
Affiliate. The determination of the Administrator as to the existence of “cause” will be conclusive on the Participant and the Company. 

c. “Cause” is not limited to events which have occurred prior to a Participant’s termination of service, nor is it necessary
that the Administrator’s finding of “cause” occur prior to termination. If the Administrator determines, subsequent to a Participant’s termination of service but prior to the exercise of an Option, that either prior or subsequent
to the Participant’s termination the Participant engaged in conduct which would constitute “cause”, then the right to exercise any Option is forfeited. 

d. Any provision in an agreement between the Participant and the Company or an Affiliate, which contains a conflicting definition of
“cause” for termination and which is in effect at the time of such termination, shall supersede the definition in this Plan with respect to that Participant. 

  
 6 

	15.	EFFECT ON OPTIONS OF TERMINATION OF SERVICE FOR
DISABILITY. 

 Except as otherwise provided in a Participant’s Option Agreement, a Participant who ceases to be an
employee, director or consultant of the Company or of an Affiliate by reason of Disability may exercise any Option granted to such Participant: 

a. To the extent that the Option has become exercisable but has not been exercised on the date of Disability; and 

b. In the event rights to exercise the Option accrue periodically, to the extent of a pro rata portion through the date of Disability of any
additional vesting rights that would have accrued on the next vesting date had the Participant not become Disabled. The proration shall be based upon the number of days accrued in the current vesting period prior to the date of Disability. 

A Disabled Participant may exercise such rights only within the period ending one year after the date of the Participant’s termination of employment,
directorship or consultancy, as the case may be, notwithstanding that the Participant might have been able to exercise the Option as to some or all of the Shares on a later date if the Participant had not become Disabled and had continued to be an
employee, director or consultant or, if earlier, within the originally prescribed term of the Option. For Options granted to California Participants for so long as the Common Stock is not deemed a covered security pursuant to Section 18(b)(1) of the
Securities Act, a Participant may exercise such rights for at least six (6) months from the date of termination of service due to Disability. 
 The
Administrator shall make the determination both of whether Disability has occurred and the date of its occurrence (unless a procedure for such determination is set forth in another agreement between the Company and such Participant, in which case
such procedure shall be used for such determination). If requested, the Participant shall be examined by a physician selected or approved by the Administrator, the cost of which examination shall be paid for by the Company. 

 

	16.	EFFECT ON OPTIONS OF DEATH WHILE AN EMPLOYEE,
DIRECTOR OR CONSULTANT. 

 Except as otherwise provided in a Participant’s
Option Agreement, in the event of the death of a Participant while the Participant is an employee, director or consultant of the Company or of an Affiliate, such Option may be exercised by the Participant’s Survivors: 

a. To the extent that the Option has become exercisable but has not been exercised on the date of death; and 

b. In the event rights to exercise the Option accrue periodically, to the extent of a pro rata portion through the date of death of any
additional vesting rights that would have accrued on the next vesting date had the Participant not died. The proration shall be based upon the number of days accrued in the current vesting period prior to the Participant’s date of death. 

If the Participant’s Survivors wish to exercise the Option, they must take all necessary steps to exercise the Option within one year after the date of
death of such Participant, notwithstanding that the decedent might have been able to exercise the Option as to some or all of the Shares on a later date if he or she had not died and had continued to be an employee, director or consultant or, if
earlier, within the originally prescribed term of the Option. For Options granted to California Participants for so long as the Common Stock is not deemed a covered security pursuant to Section 18(b)(1) of the Securities Act, the Participant’s
Survivors must be allowed to take all necessary steps to exercise the Option for at least six (6) months from the date of death of such Participant. 
  

	17.	EFFECT OF TERMINATION OF SERVICE ON UNACCEPTED STOCK
GRANTS. 

 In the event of a termination of service (whether as an employee, director or consultant) with the Company or an
Affiliate for any reason before the Participant has accepted a Stock Grant, such offer shall terminate. 
 For purposes of this Paragraph 17 and Paragraph
18 below, a Participant to whom a Stock Grant has been offered and accepted under the Plan who is absent from work with the Company or with an Affiliate because of temporary disability (any disability other than a permanent and total Disability as
defined in Paragraph 1 hereof), or who is on leave of absence for any purpose, shall not, during the period of any such absence, be deemed, by virtue of such absence alone, to have terminated such Participant’s employment, director status or
consultancy with the Company or with an Affiliate, except as the Administrator may otherwise expressly provide. 
 In addition, for purposes of this
Paragraph 17 and Paragraph 18 below, any change of employment or other service within or among the Company and any Affiliates shall not be treated as a termination of employment, director status or consultancy so long as the Participant continues to
be an employee, director or consultant of the Company or any Affiliate. 
  

	18.	EFFECT ON STOCK GRANTS OF TERMINATION OF SERVICE
OTHER THAN “FOR CAUSE” OR DEATH OR DISABILITY. 

Except as otherwise provided in a Participant’s Agreement, in the event of a termination of service (whether as an employee, director or consultant),
other than termination “for cause,” Disability, or death for which events there are special rules in Paragraphs 19, 20, and 21, respectively, before all forfeiture provisions or Company rights of repurchase shall have lapsed, then the
Company shall have the right to cancel or repurchase that number of Shares subject to a Stock Grant as to which the Company’s forfeiture or repurchase rights have not lapsed. 

  
 7 

	19.	EFFECT ON STOCK GRANTS OF TERMINATION OF SERVICE
“FOR CAUSE”. 

 Except as otherwise provided in a Participant’s Agreement, the following
rules apply if the Participant’s service (whether as an employee, director or consultant) with the Company or an Affiliate is terminated “for cause”: 

a. All Shares subject to any Stock Grant that remain subject to forfeiture provisions or as to which the Company shall have a repurchase right
shall be immediately forfeited to the Company as of the time the Participant is notified his or her service is terminated for Cause. 
 b.
For purposes of this Plan, “cause” shall include (and is not limited to) dishonesty with respect to the employer, insubordination, substantial malfeasance or non-feasance of duty, unauthorized
disclosure of confidential information, breach by the Participant of any provision of any employment, consulting, advisory, nondisclosure, non-competition or similar agreement between the Participant and the
Company, and conduct substantially prejudicial to the business of the Company or any Affiliate. The determination of the Administrator as to the existence of “cause” will be conclusive on the Participant and the Company. 

c. “Cause” is not limited to events which have occurred prior to a Participant’s termination of service, nor is it necessary
that the Administrator’s finding of “cause” occur prior to termination. If the Administrator determines, subsequent to a Participant’s termination of service, that either prior or subsequent to the Participant’s termination
the Participant engaged in conduct which would constitute “cause,” then all Shares subject to any Stock Grant that remained subject to forfeiture provisions or as to which the Company had a repurchase right on the date of termination shall
be immediately forfeited to the Company. 
 d. Any provision in an agreement between the Participant and the Company or an Affiliate, which
contains a conflicting definition of “cause” for termination and which is in effect at the time of such termination, shall supersede the definition in this Plan with respect to that Participant. 

 

	20.	EFFECT ON STOCK GRANTS OF TERMINATION OF SERVICE
FOR DISABILITY. 

 Except as otherwise provided in a Participant’s Agreement, the following rules
apply if a Participant ceases to be an employee, director or consultant of the Company or of an Affiliate by reason of Disability: to the extent the Company’s forfeiture provisions or rights of repurchase have not lapsed on the date of
Disability, they shall be exercisable; provided, however, that in the event such forfeiture provisions or rights of repurchase lapse periodically, such provisions or rights shall lapse to the extent of a pro rata portion of the Shares subject to
such Stock Grant through the date of Disability as would have lapsed had the Participant not become Disabled. The proration shall be based upon the number of days accrued prior to the date of Disability. 

The Administrator shall make the determination both of whether Disability has occurred and the date of its occurrence (unless a procedure for such
determination is set forth in another agreement between the Company and such Participant, in which case such procedure shall be used for such determination). If requested, the Participant shall be examined by a physician selected or approved by the
Administrator, the cost of which examination shall be paid for by the Company. 
  

	21.	EFFECT ON STOCK GRANTS OF DEATH WHILE AN
EMPLOYEE, DIRECTOR OR CONSULTANT. 

 Except as otherwise
provided in a Participant’s Agreement, the following rules apply in the event of the death of a Participant while the Participant is an employee, director or consultant of the Company or of an Affiliate: to the extent the Company’s
forfeiture provisions or rights of repurchase have not lapsed on the date of death, they shall be exercisable; provided, however, that in the event such forfeiture provisions or rights of repurchase lapse periodically, such provisions or rights
shall lapse to the extent of a pro rata portion of the Shares subject to such Stock Grant through the date of death as would have lapsed had the Participant not died. The proration shall be based upon the number of days accrued prior to the
Participant’s death. 
  

	22.	PURCHASE FOR INVESTMENT. 

 Unless the offering and sale
of the Shares to be issued upon the particular exercise or acceptance of a Stock Right shall have been effectively registered under the Securities Act of 1933, as now in force or hereafter amended (the “1933 Act”), the Company shall be
under no obligation to issue the Shares covered by such exercise unless and until the following conditions have been fulfilled: 
 a. The
person(s) who exercise(s) or accept(s) such Stock Right shall warrant to the Company, prior to the receipt of such Shares, that such person(s) are acquiring such Shares for their own respective accounts, for investment, and not with a view to, or
for sale in connection with, the distribution of any such Shares, in which event the person(s) acquiring such Shares shall be bound by the provisions of the following legend which shall be endorsed upon the certificate(s) evidencing their Shares
issued pursuant to such exercise or such grant: 
 “The shares represented by this certificate have been taken for investment and they
may not be sold or otherwise transferred by any person, including a pledgee, unless (1) either (a)a Registration Statement with respect to such shares shall be effective under the Securities Act of 1933, as amended, or (b) the Company
shall have received an opinion of counsel satisfactory to it that an exemption from registration under such Act is then available, and (2) there shall have been compliance with all applicable state securities laws.” 

  
 8 

 b. At the discretion of the Administrator, the Company shall have received an opinion of its
counsel that the Shares may be issued upon such particular exercise or acceptance in compliance with the 1933 Act without registration thereunder. 
  

	23.	DISSOLUTION OR LIQUIDATION OF THE COMPANY. 

Upon the dissolution or liquidation of the Company, all Options granted under this Plan which as of such date shall not have been exercised and all Stock
Grants and Stock-Based Awards which have not been accepted will terminate and become null and void; provided, however, that if the rights of a Participant or a Participant’s Survivors have not otherwise terminated and expired, the Participant
or the Participant’s Survivors will have the right immediately prior to such dissolution or liquidation to exercise or accept any Stock Right to the extent that the Stock Right is exercisable or subject to acceptance as of the date immediately
prior to such dissolution or liquidation. Upon the dissolution or liquidation of the Company, any outstanding Stock-Based Awards shall immediately terminate unless otherwise determined by the Administrator or specifically provided in the applicable
Agreement. 
  

	24.	ADJUSTMENTS. 

 Upon the occurrence of any of the following events, a Participant’s rights
with respect to any Stock Right granted to him or her hereunder shall be adjusted as hereinafter provided, unless otherwise specifically provided in a Participant’s Agreement: 

A. Stock Dividends and Stock
Splits.    If (i) the shares of Common Stock shall be subdivided or combined into a greater or smaller number of shares or if the Company shall issue any shares of Common Stock as a stock dividend on its
outstanding Common Stock, or (ii) additional shares or new or different shares or other securities of the Company or other non-cash assets are distributed with respect to such shares of Common Stock, the
number of shares of Common Stock deliverable upon the exercise of an Option or acceptance of a Stock Grant shall be appropriately increased or decreased proportionately, and appropriate adjustments shall be made including, in the exercise or
purchase price per share, to reflect such events. The number of Shares subject to the limitations in Paragraphs 3(a) and 4(c) shall also be proportionately adjusted upon the occurrence of such events. 

B. Corporate Transactions.    If the Company is to be consolidated with or acquired by
another entity in a merger, sale of all or substantially all of the Company’s assets other than a transaction to merely change the state of incorporation (a “Corporate Transaction”), the Administrator or the board of directors of any
entity assuming the obligations of the Company hereunder (the “Successor Board”), shall, as to outstanding Options, either (i) make appropriate provision for the continuation of such Options by substituting on an equitable basis for
the Shares then subject to such Options either the consideration payable with respect to the outstanding shares of Common Stock in connection with the Corporate Transaction or securities of any successor or acquiring entity; or (ii) upon
written notice to the Participants, provide that all Options must be exercised (either (a) to the extent then exercisable or, (b) at the discretion of the Administrator, all Options being made fully exercisable for purposes of this
Subparagraph), within a specified number of days of the date of such notice, at the end of which period the Options shall terminate; or (iii) terminate all Options in exchange for a cash payment equal to the excess of the Fair Market Value of
the Shares subject to such Options (either (a) to the extent then exercisable or, (b) at the discretion of the Administrator, all Options being made fully exercisable for purposes of this Subparagraph) over the exercise price thereof. 

With respect to outstanding Stock Grants, the Administrator or the Successor Board, shall either (i) make appropriate provisions for the
continuation of such Stock Grants on the same terms and conditions by substituting on an equitable basis for the Shares then subject to such Stock Grants either the consideration payable with respect to the outstanding Shares of Common Stock in
connection with the Corporate Transaction or securities of any successor or acquiring entity; or (ii) terminate all Stock Grants in exchange for a cash payment equal to the excess of the Fair Market Value of the Shares subject to such Stock
Grants over the purchase price thereof, if any. In addition, in the event of a Corporate Transaction, the Administrator may waive any or all repurchase rights or forfeiture provisions with respect to outstanding Stock Grants. 

C. Recapitalization or Reorganization. In the event of a recapitalization or
reorganization of the Company, other than a Corporate Transaction pursuant to which securities of the Company or of another corporation are issued with respect to the outstanding shares of Common Stock, a Participant upon exercising an Option or
accepting a Stock Grant after the recapitalization or reorganization shall be entitled to receive for the purchase price paid upon such exercise or acceptance the number of replacement securities which would have been received if such Option had
been exercised or Stock Grant accepted prior to such recapitalization or reorganization. 
 D. Adjustments
to Stock-Based Awards. Upon the happening of any of the events described in Subparagraphs A, B or C above, any outstanding Stock-Based Award shall be appropriately adjusted to reflect the
events described in such Subparagraphs. The Administrator or the Successor Board shall determine the specific adjustments to be made under this Paragraph 24 and, subject to Paragraph 4, its determination shall be conclusive. 

E. Modification of Options. Notwithstanding the foregoing, any adjustments made
pursuant to Subparagraph A, B or C above with respect to Options shall be made only after the Administrator determines whether such adjustments would constitute a “modification” of any ISOs (as that term is defined in Section 424(h)
of the Code) or would cause any adverse tax consequences for the holders of Options, including, but not limited to, pursuant to Section 409A of the Code. If the Administrator determines that such adjustments made with respect to Options would
constitute a modification or other 

  
 9 

 
adverse tax consequence, it may refrain from making such adjustments, unless the holder of an Option specifically agrees in writing that such adjustment be made and such writing indicates that
the holder has full knowledge of the consequences of such “modification” on his or her income tax treatment with respect to the Option. 
  

	25.	ISSUANCES OF SECURITIES. 

 Except as expressly provided
herein, no issuance by the Company of shares of stock of any class, or securities convertible into shares of stock of any class, shall affect, and no adjustment by reason thereof shall be made with respect to, the number or price of shares subject
to Stock Rights. Except as expressly provided herein, no adjustments shall be made for dividends paid in cash or in property (including without limitation, securities) of the Company prior to any issuance of Shares pursuant to a Stock Right. 

 

	26.	FRACTIONAL SHARES. 

 No fractional shares shall be issued under the Plan and
the person exercising a Stock Right shall receive from the Company cash in lieu of such fractional shares equal to the Fair Market Value thereof. 
  

	27.	CONVERSION OF ISOs INTO NON-QUALIFIED OPTIONS;
TERMINATION OF ISOs. 

 The Administrator, at the written request of any
Participant, may in its discretion take such actions as may be necessary to convert such Participant’s ISOs (or any portions thereof) that have not been exercised on the date of conversion into
Non-Qualified Options at any time prior to the expiration of such ISOs, regardless of whether the Participant is an employee of the Company or an Affiliate at the time of such conversion. At the time of such
conversion, the Administrator (with the consent of the Participant) may impose such conditions on the exercise of the resulting Non-Qualified Options as the Administrator in its discretion may determine,
provided that such conditions shall not be inconsistent with this Plan. Nothing in the Plan shall be deemed to give any Participant the right to have such Participant’s ISOs converted into Non-Qualified
Options, and no such conversion shall occur until and unless the Administrator takes appropriate action. The Administrator, with the consent of the Participant, may also terminate any portion of any ISO that has not been exercised at the time of
such conversion. 
  

	28.	WITHHOLDING. 

 In the event that any federal, state, or local income taxes, employment taxes,
Federal Insurance Contributions Act (“F.I.C.A.”) withholdings or other amounts are required by applicable law or governmental regulation to be withheld from the Participant’s salary, wages or other remuneration in connection with the
exercise or acceptance of a Stock Right or in connection with a Disqualifying Disposition (as defined in Paragraph 29) or upon the lapsing of any forfeiture provision or right of repurchase, the Company may withhold from the Participant’s
compensation, if any, or may require that the Participant advance in cash to the Company, or to any Affiliate of the Company which employs or employed the Participant, the statutory minimum amount of such withholdings unless a different withholding
arrangement, including the use of shares of the Company’s Common Stock or a promissory note, is authorized by the Administrator (and permitted by law). For purposes hereof, the fair market value of the shares withheld for purposes of payroll
withholding shall be determined in the manner provided in Paragraph 1 above, as of the most recent practicable date prior to the date of exercise. If the fair market value of the shares withheld is less than the amount of payroll withholdings
required, the Participant may be required to advance the difference in cash to the Company or the Affiliate employer. The Administrator in its discretion may condition the exercise of an Option for less than the then Fair Market Value on the
Participant’s payment of such additional withholding. 
  

	29.	NOTICE TO COMPANY OF DISQUALIFYING DISPOSITION. 

Each Employee who receives an ISO must agree to notify the Company in writing immediately after the Employee makes a Disqualifying Disposition of any shares
acquired pursuant to the exercise of an ISO. A Disqualifying Disposition is defined in Section 424(c) of the Code and includes any disposition (including any sale or gift) of such shares before the later of (a) two years after the date the
Employee was granted the ISO, or (b) one year after the date the Employee acquired Shares by exercising the ISO, except as otherwise provided in Section 424(c) of the Code. If the Employee has died before such stock is sold, these holding
period requirements do not apply and no Disqualifying Disposition can occur thereafter. 
  

	30.	TERMINATION OF THE PLAN. 

 The Plan
will terminate on April 25, 2015, the date which is ten years from the earlier of the date of its adoption by the Board of Directors and the date of its approval by the shareholders of the Company. The Plan may be terminated at an earlier date
by vote of the shareholders or the Board of Directors of the Company; provided, however, that any such earlier termination shall not affect any Agreements executed prior to the effective date of such termination. 

 

	31.	AMENDMENT OF THE PLAN AND AGREEMENTS. 

The Plan may be amended by the shareholders of the Company. The Plan may also be amended by the Administrator, including, without limitation, to the extent
necessary to qualify any or all outstanding Stock Rights granted under the Plan or Stock Rights to be 

  
 10 

 
granted under the Plan for favorable federal income tax treatment (including deferral of taxation upon exercise) as may be afforded incentive stock options under Section 422 of the Code, and
to the extent necessary to qualify the shares issuable upon exercise or acceptance of any outstanding Stock Rights granted, or Stock Rights to be granted, under the Plan for listing on any national securities exchange or quotation in any national
automated quotation system of securities dealers. Any amendment approved by the Administrator which the Administrator determines is of a scope that requires shareholder approval shall be subject to obtaining such shareholder approval. Any
modification or amendment of the Plan shall not, without the consent of a Participant, adversely affect his or her rights under a Stock Right previously granted to him or her. With the consent of the Participant affected, the Administrator may amend
outstanding Agreements in a manner which may be adverse to the Participant but which is not inconsistent with the Plan. In the discretion of the Administrator, outstanding Agreements may be amended by the Administrator in a manner which is not
adverse to the Participant. 
  

	32.	EMPLOYMENT OR OTHER RELATIONSHIP. 

Nothing in this Plan or any Agreement shall be deemed to prevent the Company or an Affiliate from terminating the employment, consultancy or director status of
a Participant, nor to prevent a Participant from terminating his or her own employment, consultancy or director status or to give any Participant a right to be retained in employment or other service by the Company or any Affiliate for any period of
time. 
  

	33.	GOVERNING LAW. 

 This Plan shall be construed and enforced in accordance with
the law of the State of Delaware. 

  
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