1999 Amended Stock Plan



 Exhibit 10.15 
 OXYGEN BIOTHERAPEUTICS, INC. 
 (Formerly Synthetic Blood International, Inc.) 
 1999 AMENDED STOCK PLAN 
 (as Amended
and Restated on June 17, 2008) 
 1. Purpose of the Plan. The purpose of the Oxygen Biotherapeutics, Inc. 1999 Stock Plan, as
amended and restated on June 17, 2008 (the “Plan”) is to enable Oxygen Biotherapeutics, Inc., to provide an incentive to eligible employees, consultants, directors and officers whose present and potential contributions are important
to the continued success of the Company, to afford those individuals the opportunity to acquire a proprietary interest in the Company, and to enable the Company to enlist and retain in its employment the best available talent for the successful
conduct of its business. It is intended that this purpose will be effected through the granting of (a) stock options, (b) stock purchase rights, (c) stock appreciation rights, and (d) long-term performance awards. 
 2. Definitions. As used herein, the following definitions shall apply. 
 (a) “Administrator” means the Board or such of its Committees as shall be administering the Plan, in accordance with Section 5 of the Plan. 
 (b) “Applicable Laws” means the legal requirements relating to the administration of stock option plans under applicable securities laws and
the Code. 
 (c) “Board” means the Board of Directors of the Company. 
 (d) “Code” means the Internal Revenue Code of 1986, as amended, and any applicable regulations promulgated thereunder. 
 (e) “Committee” means a Committee appointed by the Board in accordance with Section 5 of the Plan. 
 (f) “Common Stock” means the Common Stock of the Company. 
 (g) “Company” means Oxygen Biotherapeutics, Inc., a Delaware corporation, or any successor corporation thereto. 
 (h) “Consultant” means any person who is engaged by the Company or a Parent or Subsidiary to render consulting or advisory services to such entity (other than as an Employee or a Director). 
 (i) “Continuous Status as an Employee or Consultant” means that the employment or
consulting relationship is not interrupted or terminated by the Company, any Parent or Subsidiary. Continuous Status as an Employee or Consultant shall not be considered interrupted in the case of: (i) any leave of absence approved by the
Company, including sick leave, military leave, or other bona fide leave of absence approved by the Company, provided, however that if any such leave exceeds ninety (90) days, on the one hundred and eighty-first (181st) day following the commencement of such leave any Incentive Stock Option by an eligible Optionee shall be treated as a Non-statutory Stock Option unless
reemployment upon the expiration of such leave is guaranteed by statute or contract; or (ii) transfers between locations of the Company or between the Company, its parent, its subsidiary or its successor. Notwithstanding the foregoing, unless
otherwise designated by the Company or required by law, a leave of absence shall not be treated as service for purposes of determining vesting under the Option Agreement or Stock Purchase Agreement. 
 (j) “Director” means a member of the Board. 
 (k) “Disability” means total and permanent disability as defined in Section 22(c)(3) of the Code. 







 (1) “Employee” means any person, including Officers and Directors, employed by the Company or
any Parent or Subsidiary of the Company. Neither service as a Director nor payment of a director’s fee by the Company shall be sufficient to constitute “employment” by the Company. 
 (m) “Exchange Act” means the Securities Exchange Act of 1934, as amended. 
 (n) “Family Member” means 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 Employee’s or Consultant’s household (other than a tenant or employee), a trust in which
these persons have more than fifty percent of the beneficial interest, a foundation in which these persons (or the Employee or Consultant) control the management of assets, and any other entity in which these persons (or the Employee or Consultant)
own more than fifty percent of the voting interests, including any changes as may be made from time to time to the definition of “Family Member” as promulgated by the Securities and Exchange Commission in connection with the general
instructions for Form S-8 promulgated under the Securities Act of 1933, as amended, or any successor form. 
 (o) “Fair Market
Value” means, as of any date, the value of a share of Common Stock determined as follows: 
 (i) If the Common Stock is
listed on any established stock exchange or a national market system, including without limitation the Nasdaq Stock Market, the Fair Market Value of a Share of Common Stock shall be the closing sales price for such stock (or the closing bid, if no
sales were reported) as quoted on such exchange (or the exchange with the greatest volume of trading in Common Stock) on the last market trading day prior to the day of determination, as reported on the exchange; 
 (ii) If the Common Stock is quoted on the OTC Bulletin Board, or is regularly quoted by a recognized securities dealer but selling prices
are not reported, the Fair Market Value of a Share of Common Stock shall be the mean between the high bid and low asked prices for the Common Stock on the last market trading day prior to the day of determination, as reported by Bloomberg; or

 (iii) In the absence of an established market for the Common Stock, the Fair Market Value shall be determined in good faith
by the Administrator, without regard to any restriction other than a restriction which, by its terms, will never lapse, and subject to compliance with Section 409A of the Code. 
 (p) “Incentive Stock Option” means an Option intended to qualify as an incentive stock option within the meaning of Section 422 of the
Code and the regulations promulgated thereunder. 
 (q) “Long-Term Performance Award” means an award under Section 9 below. A
Long-Term Performance Award shall permit the recipient to receive a cash or stock bonus (as determined by the Administrator) upon satisfaction of such performance factors as are set out in the recipient’s individual grant. Long-Term Performance
Awards will be based upon the achievement of Company, Subsidiary and individual performance factors or upon such other criteria as the Administrator may deem appropriate. Notwithstanding the foregoing, a Long-Term Performance award shall not be
based on a level of performance that is substantially certain to be met at the time the criteria is established. 
 (r) “Long-Term
Performance Award Agreement” means a written agreement between the Company and an Optionee evidencing the terms and conditions of an individual Long-Term Performance Award grant. The Long-Term Performance Award Agreement is subject to the terms
and conditions of the Plan. 
 (s) “Nonstatutory Stock Option” means any Option that is not an Incentive Stock Option. 

(t) “Notice of Grant” means a written notice evidencing certain terms and conditions of an individual Option, Stock Purchase Right, SAR or
Long-Term Performance Award grant. The Notice of Grant is part of the Option Agreement, the SAR Agreement and the Long-Term Performance Award Agreement. 
  

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 (u) “Officer” means a person who is an officer of the Company within the meaning of
Section 16 of the Exchange Act and the rules and regulations promulgated thereunder. 
 (v) “Option” means a stock option
granted pursuant to the Plan. 
 (w) “Option Agreement” means a written agreement between the Company and an Optionee evidencing
the terms and conditions of an individual Option grant. The Option Agreement is subject to the terms and conditions of the Plan. 
 (x)
“Option Exchange Program” means a program whereby outstanding options are surrendered in exchange for options with a lower exercise price. 
 (y) “Optioned Stock” means the Common Stock subject to an Option or Right. 
 (z)
“Optionee” means an Employee or Consultant who holds an outstanding Option or Right. 
 (aa) “Outside Director” means a
Director of the Company who either (i) is not a current employee of the Company or an “affiliated corporation” (within the meaning of Treasury Regulations promulgated under Section 152(m) of the Code), is not a former employee of
the Company or an “affiliated corporation” receiving compensation for prior services (other than benefits under a tax qualified pension plan), was not an officer of the Company or an “affiliated corporation” at any time, and is
not currently receiving direct or indirect remuneration from the Company or an “affiliated corporation” for services in any capacity other than as a Director or (ii) is otherwise considered an “outside director” for purposes
of Section 162(m) of the Code. 
 (bb) “Parent” means a “parent corporation,” whether now or hereafter existing, as
defined in Section 424(c) of the Code. 
 (cc) “Plan” means this 1999 Stock Plan, as amended. 
 (dd) “Restricted Stock” means shares of Common Stock subject to a Restricted Stock Purchase Agreement acquired pursuant to a grant of Stock
Purchase Rights under Section 8 below. 
 (ee) “Restricted Stock Purchase Agreement” means a written agreement between the
Company and the Optionee evidencing the terms and restrictions applying to stock purchased under a Stock Purchase Right. The Restricted Stock Purchase Agreement is subject to the terms and conditions of the Plan and the Notice of Grant. 

(ff) “Right” means and includes SARs, Long-Term Performance Awards and Stock Purchase Rights granted pursuant to the Plan. 
 (gg) “Rule 16b-3” means Rule 16b-3 of the Exchange Act or any successor rule thereto, as in effect when discretion is being exercised with
respect to the Plan. 
 (hh) “SAR” means a stock appreciation right granted pursuant to Section 7 of the Plan. 
 (ii) “SAR Agreement” means a written agreement between the Company and an Optionee evidencing the terms and conditions of an individual SAR
grant. The SAR Agreement is subject to the terms and conditions of the Plan. 
 (jj) “Share” means a share of the Common Stock, as
adjusted in accordance with Section 11 of the Plan. 
  

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 (kk) “Stock Purchase Right” means the right to purchase Common Stock pursuant to Section 8
of the Plan, as evidenced by a Notice of Grant. 
 (11) “Subsidiary” means a “subsidiary corporation,” whether now or
hereafter existing, as defined in Section 424(f) of the Code. 
 3. Eligibility. Nonstatutory Stock Options and Rights may be granted to
Employees and Consultants. Incentive Stock Options may be granted only to Employees. If otherwise eligible, an Employee or Consultant who has been granted an Option or Right may be granted additional Options or Rights. However, eligibility in
accordance with this Section shall not entitle any person to be granted an Option or Right, or, having been granted an Option or Right, to be granted additional Options of Rights. 
 4. Shares Subject to the Plan 
 (a) Issuable
Shares. Stock Subject to the Plan. Subject to the provisions of Section 11 of the Plan, the total number of shares reserved and available for distribution under the Plan is 12,000,000 shares. Subject to Section 11 of the Plan, if any
shares that have been optioned under an Option cease to be subject to such Option (other than through exercise of the Option), or if any Option or Right granted hereunder is forfeited or any such award otherwise terminates prior to the issuance of
Common Stock to the participant, the shares that were subject to such Option or Right shall again be available for distribution in connection with future Option or Rights grants under the Plan; provided, however, that Shares that have actually been
issued under the Plan, whether upon exercise of an Option or Right, shall not in any event be returned to the Plan and shall not become available for future distribution under the Plan. 
 (b) Adjustments for Changes in Capital Structure. Subject to any required action by the stockholders of the Company, in the event of any change in the
Common Stock effected without receipt of consideration by the Company, whether through merger, consolidation, reorganization, reincorporation, recapitalization, reclassification, stock dividend, stock split, reverse stock split, split-up, split-off,
spin-off, combination of shares, exchange of shares, or similar change in the capital structure of the Company, or in the event of payment of a dividend or distribution to the stockholders of the Company in a form other than Common Stock (excepting
normal cash dividends) that has a material effect on the Fair Market Value of shares of Common Stock, appropriate and proportionate adjustments shall be made in the number and class of shares subject to the Plan and to any outstanding awards and in
the exercise or purchase price per share of any outstanding Awards in order to prevent dilution or enlargement of rights under the Plan. For purposes of the foregoing, conversion of any convertible securities of the Company shall not be treated as
“effected without receipt of consideration by the Company.” Any fractional share resulting from an adjustment pursuant to this Section 4(b) shall be rounded down to the nearest whole number, and in no event may the exercise price of
any Option or Right be decreased to an amount less than the par value, if any, of the stock subject to the Option or Right. Such adjustments shall be determined by the Board, and its determination shall be final, binding and conclusive. 

5. Administration. 
 (a) Composition of
Administrator. 
 (i) Multiple Administrative Bodies. In the discretion of the Board, different Committees may administer the
Plan with respect to Employees, Directors and Consultants. 
 (ii) Section 162(m). To the extent that the Administrator
determines it to be desirable to qualify Options granted hereunder as “performance-based compensation” within the meaning of Section 162(m) of the Code, the Plan shall be administered by a Committee of two or more “Outside
Directors” within the meaning of Section 162(m) of the Code. 
 (iii) Rule 16b-3. To the extent desirable to qualify
transactions hereunder as exempt under Rule 16b-3, the transactions contemplated hereunder shall be structured to satisfy the requirements for exemption under Rule 16b-3. 
  


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 (iv) Other Administration. Other than as provided above, the Plan shall be administered
by (A) the Board or (B) a Committee, which committee shall be constituted to satisfy Applicable Laws. 
 (v)
General. Once a Committee has been appointed pursuant to subsection (ii) or (iii) of this Section 5(a), such Committee shall continue to serve in its designated capacity until otherwise directed by the Board. From time to time the
Board may increase the size of any Committee and appoint additional members, remove members (with or without cause) and appoint new members in substitution, fill vacancies (however caused) and remove all members of a Committee and thereafter
directly administer the Plan, all to the extent permitted by the Applicable Laws and in the case of a Committee appointed under subsection (iii), to the extent permitted by Rule 16b-3 as it applies to a plan intended to qualify thereunder as a
discretionary grant or award plan. 
 (b) Powers of the Administrator. Subject to the provisions of the Plan, and in the case of a Committee,
subject to the specific duties delegated by the Board to such Committee, the Administrator shall have the authority, in its discretion: 
 (i) to determine the Fair Market Value of the Common Stock, in accordance with Section 2(o) of the Plan; 
 (ii) to select the Consultants and Employees to whom Options and Rights may be granted hereunder; 
 (iii) to determine whether and to what extent Options and Rights or any combination thereof, are granted hereunder; 
 (iv) to determine the number of shares of Common Stock to be covered by each Option and Right granted hereunder; 
 (v) to approve forms of agreement for use under the Plan; 
 (vi) to determine the terms and conditions, not
inconsistent with the terms of the Plan, of any award granted hereunder. Such terms and conditions include, but are not limited to, the exercise price, the time or times when Options or Rights may be exercised (which may be based on performance
criteria), any vesting, acceleration or waiver of forfeiture restrictions, and any restriction or limitation regarding any Option or Rights or the shares of Common Stock relating thereto, based in each case on such factors as the Administrator, in
its sole discretion, shall determine; 
 (vii) to construe and interpret the terms of the Plan; 
 (viii) to prescribe, amend and rescind rules and regulations relating to the Plan; 
 (ix) to determine whether and under what circumstances an Option or Right may be settled in cash instead of Common Stock or Common Stock
instead of cash; 
 (x) to modify or amend each Option or Right (subject to Section 13 of the Plan); 
 (xi) to authorize any person to execute on behalf of the Company any instrument required to effect the grant of an Option or Right
previously granted by the Administrator; 
 (xii) to institute an Option Exchange Program; 
 (xiii) to determine the terms and restrictions applicable to Options and Rights and any Restricted Stock; and 
  

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 (xiv) to make all other determinations deemed necessary or advisable for administering
the Plan. 
 (c) Effect of Administrator’s Decision. The Administrator’s decisions, determinations and interpretations shall be
final and binding on all optionees and any other holders of Options or Rights. 
 (d) Limitations on Grants. No Employee, Director or
Consultant will be granted Options or SARs under the Plan to purchase more than 5,000,000 shares over the term of the Plan, provided that, if the number of shares available for issuance under Paragraph 4 of the Plan is increased, the maximum number
of options or SARs that any Employee, Director or Consultant may be granted also automatically will increase by an amount equal to 100,000 shares for each additional fiscal year in which shares are allocated for issuance under the Plan. 

6. Term of the Plan. The Plan shall continue in effect until the earlier of its termination by the Board or the date on which all of the shares of
Stock available for issuance under the Plan have been issued and all restrictions on such shares under the terms of the Plan and the agreements evidencing Options and/or Rights granted under the Plan have lapsed. However, to the extent required by
applicable law, all Options and Rights shall be granted, if at all, within ten (10) years from the earlier of the date the Plan is adopted by the Board or the date the Plan is duly approved by the stockholders of the Company. 
 7. Options and SARs. 
 (a) Options. The
Administrator, in its discretion, may grant Options to eligible participants and shall determine whether such Options shall be Incentive Stock Options or Non-statutory Stock Options. Each Option shall be evidenced by a Notice of Grant/Option
Agreement which shall expressly identify the Options as Incentive Stock Options or as Non-statutory Stock Options, and be in such form and contain such provisions as the Administrator shall from time to time deem appropriate. The Notice of
Grant/Option Agreement shall govern each Optionee’s rights and obligations with respect to each such particular Option. Without limiting the foregoing, the Administrator may at any time authorize the Company, with the consent of the respective
recipients, to issue new Options or Rights in exchange for the surrender and cancellation of outstanding Options or Rights. Option agreements shall contain the following terms and conditions: 
 (i) Exercise Price; Number of Shares. The per Share exercise price for the Shares issuable pursuant to an Option shall be such price as is
determined by the Administrator; provided, however, that in the case of an Incentive Stock Option, the price shall be no less than 100% of the Fair Market Vale of the Common Stock on the date the Option is granted, subject to any additional
conditions set out in Section 7(a)(iv) below. The notice of Grant shall specify the number of Shares to which it pertains. 
 (ii) Waiting Period and Exercise Dates. At the time an Option is granted, the Administrator will determine the terms and conditions to be satisfied before Shares may be purchased, including the dates on which Shares subject to the Option
may first be purchased. The Administrator may specify that an Option may not be exercised until the completion of the service period specified at the time of grant. (Any such period is referred to herein as the “waiting period.”) At the
time an Option is granted, the Administrator shall fix the period within which the Option may be exercised, which shall not be earlier than the end of the waiting period, if. any, nor, in the case of an Incentive Stock Option, later than ten
(10) years, from the date of grant. 
 (iii) Form of Payment. The consideration to be paid for the Shares to be issued
upon exercise of an Option, including the method of payment, shall be determined by the Administrator (and, in the case of an Incentive Stock Option, shall be determined at the time of grant) and may consist entirely of 
 (1) cash; 
 (2) check; 
 (3) promissory note; 
  

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 (4) other Shares with (1) in the case of Shares acquired upon exercise of an option,
have been owned by the Optionee for more than six months on the date of surrender, and (2) a Fair Market Value on the date of surrender equal to the aggregate exercise price of the Shares as to which such Option shall be exercised; 

(5) delivery of a properly executed exercise notice together with such other documentation as the Administrator and the broker, if
applicable, shall require to effect an exercise of the Option and delivery to the Company of the sale or loan proceeds required to pay the exercise price, or such consideration received by the Company under a cashless exercise program implemented by
the Company in connection with the Plan; 
 (6) any combination of the foregoing methods of payment; or 
 (7) such other consideration and method of payment for the issuance of Shares to the extent permitted by Applicable Laws. 
 (iv) Special Incentive Stock Option Provisions. In addition to the foregoing, Options granted under the Plan which are intended to be
Incentive Stock Options under Section 422 of the Code shall be subject to the following terms and conditions: 
 (1)
Dollar Limitation. To the extent that the aggregate Fair Market Value of (a) the Shares with respect to which Options designated as Incentive Stock Options plus (b) the shares of stock of the Company, Parent and any Subsidiary with respect
to which other incentive stock options are exercisable for the first time by an Optionee during any calendar year under all plans of the Company and any Parent and subsidiary exceeds $100,000, such Options shall be treated as Nonstatutory Stock
Options. For purposes of the preceding sentence, (a) Options shall be taken into account in the order in which they were granted, and (b) the Fair Market Value of the Shares shall be determined as of the time the Option or other incentive
stock option is granted. 
 (2) 10% Shareholder. If any optionee to whom an Incentive Stock Option is to be granted pursuant
to the provisions of the Plan is, on the date of grant, the owner of Common Stock (as determined under Section 424 (d) of the Code) possessing more than 10% of the total combined voting power of all classes of stock of the Company or any
Parent or Subsidiary of the Company, then the following special provisions shall be applicable to the Option granted to such individual: the per Share Option price of Shares subject to such Incentive Stock Option shall not be less than 110% of the
Fair Market Value of Common stock on the date of grant; and the Option shall not have a term in excess of five (5) years from the date of grant. 
 Except as modified by the preceding provisions of this subsection 7(a)(iv) and except as otherwise limited by Section 422 of the Code, all of the provisions of the Plan shall be applicable to the Incentive Stock Options granted
hereunder. 
 (v) Non-statutory Option Price. The exercise price per share for a Nonstatutory Stock Option shall be not less
than eighty-five percent (85%) of the Fair Market Value of a share of Stock on the effective date of grant of the Option. 
 (vii) Other Provisions. Each Option granted under the Plan may contain such other terms, provisions, and conditions not inconsistent with the Plan as may be determined by the Administrator. 
 (viii) Buyout Provisions. The Administrator may at any time offer to buy out for a payment in cash or Shares, an Option previously
granted, based on such terms and conditions as the Administrator shall establish and communicate to the Optionee at the time that such offer is made. 
 (b) SARs. 
  

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 (i) In Connection with Options. At the sole discretion of the Administrator, SARs may be
granted in connection with all or any part of an Option, either concurrently with the grant of the Option or at any time thereafter during the term of the Option. The following provisions apply to SARs that are granted in connection with Options:

 (1) The SAR shall entitle the Optionee to exercise the SAR by surrendering to the Company unexercised a portion of the
related Option. The Optionee shall receive in exchange from the Company an amount equal to the excess of (1) the Fair Market Value on the date of exercise of the SAR of the Common Stock covered by the surrendered portion of the related Option
over (2) the exercise price of the Common Stock covered by the surrendered portion of the related Option; provided that a SAR that is granted subsequent to the grant date of a related Option must have a SAR exercise price that is no less than
the Fair Market Value of one share of Common Stock on the date of grant of the SAR. Notwithstanding the foregoing, the Administrator may place limits on the amount that may be paid upon exercise of an SAR; provided, however, that such limit shall
not restrict the exercisability of the related Option. 
 (2) When an SAR is exercised, the related Option, to the extent
surrendered, shall cease to be exercisable. 
 (3) An SAR shall be exercisable only when and to the extent that the related
Option is exercisable and shall expire no later than the date on which the related Option expires. 
 (4) A SAR may only be
exercised at a time when the Fair Market Value of the Common Stock covered by the related Option exceeds the exercise price of the Common Stock covered by the related Option. 
 (ii) Independent of Options. At the sole discretion of the Administrator, SARs may be granted without related Options. The following
provisions apply to SARs that are not granted in connection with Options: 
 (1) The SAR shall entitle the Optionee, by
exercising the SAR, to receive from the Company an amount equal to the excess of (1) the Fair Market Value of the Common Stock covered by the exercised portion of the SAR, as of the date of such exercise, over (2) the Fair Market Value of
the Common Stock covered by the exercised portion of the SAR, as of the last market trading date prior to the date on which the SAR was granted; provided, however, that the Administrator may place limits on the aggregate amount that may be paid upon
exercise of an SAR. In no event shall the exercise price of a SAR be less than 100% of the Fair Market Value per share of Common Stock on the date of grant. 
 (2) SARs shall be exercisable, in whole or in part, at such times as the Administrator shall specify in the Optionee’s SAR agreement.

 (iii) Form of Payment. The Company’s obligations arising upon the exercise of an SAR may be paid in Common Stock or in
cash, or in any combination of Common Stock and cash, as the Administrator, in its sole discretion, may determine. Shares issued upon the exercise of an SAR shall be valued at their Fair Market Value as of the date of exercise. 
 (c) Method of Exercise. 
 (i)
Procedure for Exercise, Rights as a Shareholder. Any Option or SAR granted hereunder shall be exercisable at such times and under such conditions as determined by the Administrator and as shall be permissible under the terms of the Plan. An Option
may not be exercised for a fraction of a Share. An Option or SAR shall be deemed to be exercised when written notice of such exercise has been given to the Company in accordance with the terms of the Option or SAR by the person entitled to exercise
the Option or SAR and full payment for the Shares with respect to which the Option is exercised has been received by the Company. Full payment may, as authorized by the Administrator (and, in the case of an Incentive Stock Option, determined at the
time of grant) and permitted by the Option Agreement consist of any consideration and method of payment allowable under subsection 7(a)(iii) of the Plan. Until the issuance (as evidenced by the 

  

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appropriate entry on the books of the Company or of a duly authorized transfer agent of the Company) of the stock certificate evidencing such Shares, no
right to vote or receive dividends or any other rights as a shareholder shall exist with respect to the Optioned Stock, notwithstanding the exercise of the Option. No adjustment will be made for a dividend or other right for which the record date is
prior to the date the stock certificate is issued, except as provided in Section 11 of the Plan. 
 Exercise of an Option
in any manner shall result in a decrease in the number of Shares which thereafter shall be available, both for purposes of the Plan and for sale under the Option, by the number of Shares as to which the Option is exercised. Exercise of an SAR in any
manner shall, to the extent the SAR is exercised, result in a decrease in the number of Shares which thereafter shall be available for purposes of the Plan, and the SAR shall cease to be exercisable to the extent it has been exercised. 

(ii) Rule 16b-3. Options and SARs granted to individuals subject to Section 16 of the Exchange Act (“Insiders”) may in
the discretion of the Administrator, comply with the applicable provisions of Rule 16b-3 and may contain such additional conditions or restrictions as may be required thereunder to qualify for the maximum exemption from Section 16 of the
Exchange Act with respect to Plan transactions. 
 (iii) Termination of Employment or Consulting Relationship. Subject to
Section 18 of the Plan relating to cancellation and rescission of Options and Rights, in the event an Optionee’s Continuous Status as an Employee or Consultant terminates (other than upon the Optionee’s death or Disability), the
Optionee may exercise his or her Option or SAR, but only within such period of time as is determined by the Administrator at the time of grant, not to exceed three (3) months from the date of such termination (but in no event later than the
expiration of the term of such Option or SAR as set forth in the Option or SAR at the date of such termination, and to the extent that the Optionee does not exercise such Option or SAR (to the extent otherwise so entitled) within the time specified
herein, the Option or SAR shall terminate. 
 (iv) Disability of Optionee. In the event an Optionee’s Continuous Status
as an Employee or Consultant terminates as a result of the Optionee’s Disability, the Optionee may exercise his or her Option or SAR, but only within twelve (12) months from the date of such termination, and only to the extent that the
Optionee was entitled to exercise it at the date of such termination (but in no event later than the expiration of the term of such Option or SAR as set forth in the Option or SAR Agreement). To the extent that Optionee was not entitled to exercise
an Option or SAR at the date of such termination, and to the extent that the Optionee does not exercise such Option or SAR (to the extent otherwise so entitled) within the time specified herein, the Option or SAR shall terminate. 
 (v) Death of Optionee. In the event of an Optionee’s death, the Optionee’s estate or a person who acquired the right to exercise
the deceased Optionee’s Option or SAR by bequest or inheritance may exercise the Option or SAR, but only within twelve (12) months following the date of death, and only to the extent that the Optionee was entitled to exercise it at the
date of death (but in no event later than the expiration of the term of such Option or SAR as set forth in the Option or SAR Agreement). To the extent that Optionee was not entitled to exercise an Option or SAR at the date of death, and to the
extent that the Optionee’s estate or a person who acquired the right to exercise such Option does not exercise such Option or SAR (to the extent otherwise so entitled) within the time specified herein, the Option or SAR shall terminate.

 8. Stock Purchase Rights. 
 (a) Rights to Purchase. Stock Purchase Rights may be issued either alone, in addition to, or in tandem with other awards granted under the Plan and/or cash awards made outside of the Plan. After the Administrator determines that it will
offer Stock Purchase Rights under the Plan it shall advise the offeree in writing of the terms, conditions and restrictions related to the offer, including the number of Shares that the offeree shall be entitled to purchase, the price to be paid,
and the time within which the offeree must accept such offer, which shall in no event exceed thirty (30) days from the date upon which the Administrator made the determination to grant the Stock Purchase Right. The offer shall be accepted by
execution of a Restricted Stock Purchase Agreement in the form determined by the Administrator. 
  

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 (b) Repurchase Option. Unless the Administrator determines otherwise, the Restricted Stock Purchase
Agreement shall grant the Company a repurchase option exercisable upon the voluntary or involuntary termination of the purchaser’s employment with the Company for any reason (including death or Disability). The purchase price for Shares
repurchased pursuant to the Restricted Stock Purchase Agreement shall be the original price paid by the purchaser and may be paid by cancellation of any indebtedness of the purchaser to the Company. The repurchase option shall lapse at such rate as
the Administrator may determine. 
 (c) Other Provisions. The Restricted Stock Purchase Agreement shall contain such other terms, provisions
and conditions not inconsistent with the Plan as may be determined by the Administrator in its sole discretion. In addition, the provisions of Restricted Stock Purchase Agreements need not be the same with respect to each purchaser. 
 (d) Rule 16b-3. Stock Purchase Rights granted to Insiders, and Shares purchased by Insiders in connection with Stock Purchase Rights may be, in the
discretion of the Administrator, subject to any restrictions applicable thereto in compliance with Rule 16b-3. An Insider may only purchase Shares pursuant to the grant of a Stock Purchase Right, and may only sell Shares purchased pursuant to the
grant of a Stock Purchase Right, during such time or times as are permitted by Rule 16b-3 unless waived in the sole discretion of the Administrator. 
 (e) Rights as a Shareholder. Once the Stock Purchase Right is exercised, the purchaser shall have the rights equivalent to those of a shareholder, and shall be a shareholder when he or her purchase is entered upon the
records of the duly authorized transfer agent of the Company. No adjustment will be made for a dividend or other right for which the record date is prior to the date the Stock Purchase Right is exercised, except as provided in Section 11 of the
Plan. 
 9. Long-Term Performance Awards. 
 (a) Administration. Long-Term Performance Awards are cash or stock bonus awards that may be granted either alone or in addition to other awards granted under the Plan. Such awards shall be granted for no cash
consideration. The Administrator shall determine the nature, length and starting date of any performance period (the “Performance Period”) for each Long-Term Performance Award, and shall determine the performance or employment factors, if
any, to be used in the determination of Long-Term Performance Awards and the extent to which such Long-Term Performance Awards are valued or have been earned. Long-Term Performance Awards may vary from participant to participant and between groups
of participants and shall be based upon the achievement of Company, Subsidiary, Parent and/or individual performance factors or upon such other criteria as the Administrator may deem appropriate. Performance Periods may overlap and participants may
participate simultaneously with respect to Long-Term Performance Awards that are subject to different Performance Periods and different performance factors and criteria. Long Term Performance Awards shall be confirmed by, and be subject to the terms
of a Long-Term Performance Award agreement. The terms of such awards need not be the same with respect to each participant. 
 At the
beginning of each Performance Period, the Administrator may determine for each Long-Term Performance Award subject to such Performance Period the range of dollar values or number of shares of Common Stock to be awarded to the participant at the end
of the Performance Period if and to the extent that the relevant measures of performance for such Long Term Performance Award are met. Such dollar values or number of shares of common Stock may be fixed or may vary in accordance with such
performance or other criteria as may be determined by the Administrator. 
 (b) Adjustment of Awards. The Administrator may adjust the
performance factors applicable to the Long-Term Performance Awards to take into account changes in legal, accounting and tax rules and to make such adjustments as the Administrator deems necessary or appropriate to reflect the inclusion or exclusion
of the impact of extraordinary or unusual items, events or circumstances in order to avoid windfalls or hardships. 
 10. Non-Transferability
of Awards. Options and Rights may not be sold, pledged, assigned, hypothecated, transferred or disposed of in any manner other than by will or by the laws of descent or distribution and may be exercised, during the lifetime of the Optionee, only by
the Optionee, provided, however, Nonstatutory Stock Options and Rights may be transferred: (i) by gift to a Family Member; (ii) under a 

  

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domestic relations order in settlement of marital property rights; and (iii) to any entity in which more than fifty percent of the voting interests are
owned by Family Members (or the Employee or Consultant) in exchange for an interest in that entity. Any attempted non-permitted transfer shall be void and shall immediately terminate the Non-statutory Stock Option or Right. 
 11. Adjustments Upon Changes in Capitalization, Dissolution, Merger, Asset Sale or Change of Control. 
 (a) Changes in Capitalization. Subject to any required action by the shareholders of the Company, the number of shares of Common Stock covered by each
outstanding Option and Right, and the number of shares of Common Stock which have been authorized for issuance under the Plan as to which no Options or Rights have yet been granted or which have been returned to the Plan upon cancellation or
expiration of an Option or Right, as well as the price per share of Common Stock covered by each such outstanding Option or Right, shall be proportionately adjusted for any increase or decrease in the number of issued shares of Common Stock, or any
other increase or decrease in the number of issued shares of Common Stock effected without receipt of consideration by the Company; provided, however, that conversion of any convertible securities of the Company shall not be deemed to have been
“effected without receipt of consideration.” Such adjustment shall be made by the Board, whose determination in that respect shall be final, binding and conclusive. Except as expressly provided herein, no issuance by the Company of shares
of stock of any class, or securities convertible into shares of stock of any class, shall effect, and no adjustment by reason thereof shall be made with respect to, the number or price of shares of Common Stock subject to an Option or Right.

 (b) Dissolution or Liquidation. In the event of the proposed dissolution or liquidation of the Company, to the extent that an Option or
Right has not been previously exercised, it will terminate immediately prior to the consummation of such proposed action. The Board may, in the exercise of its sole discretion in such instances, declare that any Option or Right shall terminate as of
a date fixed by the Board and give each Optionee the right to exercise his or her Option or Right as to all or any part of the Optioned Stock, including Shares as to which the Option or Right would not otherwise be exercisable. 
 (c) Merger or Asset Sale. Subject to the provisions of paragraph (d) hereof, in the event of a merger of the Company with or into another
corporation, or the sale of substantially all of the assets of the Company, each outstanding Option and Right shall be assumed or an equivalent Option or Right substituted by the successor corporation or a Parent or Subsidiary of the successor
corporation. In the event that the successor corporation does not agree to assume the Option or to substitute an equivalent option, the Administrator shall, in lieu of such assumption or substitution, provide for the Optionee to have the right to
exercise the Option or Right as to all or a portion of the Optioned Stock, including Shares as to which it would not otherwise be exercisable. If the Administrator makes an Option or Right exercisable in lieu of assumption or substitution in the
event of a merger or sale of assets, the Administrator shall notify the Optionee that the Option or Right shall be exercisable for a period of fifteen (15) days from the date of such notice, and the Option or Right will terminate upon the
expiration of such period. For the purposes of this paragraph, the Option or Right shall be considered assumed if, immediately following the merger or sale of assets, the Option or Right confers the right to purchase, for each Share of Optioned
Stock subject to the Option or Right immediately prior to the merger or sale of assets, the consideration (whether stock, cash, or other securities or property) received in the merger or sale of assets by holders of Common Stock for each Share held
on the effective date of the transaction (and if holders were offered a choice of consideration, the type of consideration chosen by the holders of a majority of the outstanding Shares); provided, however, that if such consideration received in the
merger or sale of assets was not solely common stock of the successor corporation or its Parent, the Administrator may, with the consent of the successor corporation and the participant, provide for the consideration to be received upon the exercise
of the Option or Right, for each Share of Optioned Stock subject to the Option or Right, to be solely common stock of the successor corporation or its Parent equal in Fair Market Value to the per share consideration received by holders of Common
Stock in the merger or sale of assets. 
 (d) Change in Control. In the event of a “Change in Control” of the Company, as defined
in paragraph (e) below, then the following acceleration and valuation provisions shall apply: 
 (i) Except as otherwise
determined by the Board, in its discretion, prior to the occurrence of a Change in Control, any Options and Rights outstanding on the date such Change in Control is determined to have occurred that are not yet exercisable and vested on such date
shall become fully exercisable and vested; 
  

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 (ii) Except as otherwise determined by the Board, in its discretion, prior to the
occurrence of a Change in Control, all outstanding Options and Rights, to the extent they are exercisable and vested (including Options and Rights that shall become exercisable and vested pursuant to subparagraph (i) above), shall be terminated
in exchange for a cash payment equal to the Change in Control Price, (reduced by the exercise price, if any, applicable to such Options or Rights). These cash proceeds shall be paid to the Optionee or, in the event of death of an Optionee prior to
payment, to the estate of the Optionee or to a person who acquired the right to exercise the Option or Right by bequest or inheritance. 
 (e) Definition of “Change in Control”. For purposes of this Section 11, a “Change in Control” means the happening of any of the following: 
 (i) When any “person,” as such term is used in Section 13(d) and 14 (d) of the Exchange Act (other than the Company, a
Subsidiary or a Company employee benefit plan, including any trustee of such plan acting as trustee) is or becomes the “beneficial owner” (as defined in Rule 13d-3 under the Exchange Act), directly or indirectly, of securities of the
Company representing fifty percent (50%) or more of the combined voting power of the Company’s then outstanding securities entitled to vote generally in the election of directors; or 
 (ii) A merger or consolidation of the Company with any other corporation, other than a merger or consolidation which would result in the
voting securities of the Company outstanding immediately prior thereto continuing to represent (either by remaining outstanding or by being converted into voting securities of the surviving entity) at least fifty percent (50%) of the total
voting power represented by the voting securities of the Company or such surviving entity outstanding immediately after such merger or consolidation, or the shareholders of the Company approve an agreement for the sale or disposition by the Company
of all or substantially all the Company’s assets; or 
 (iii) A change in the composition of the Board of Directors of
the Company occurring within a two-year period, as a result of which fewer than a majority of the directors are Incumbent Directors. 
 “Incumbent
Directors” shall mean directors who either (A) are directors of the Company as of the date the Plan is approved by the shareholders, or (B) are elected, or nominated for election, to the Board of Directors of the Company with the
affirmative votes of at least a majority of the Incumbent Directors at the time of such election or nomination (but shall not include an individual whose election or nomination is in connection with an actual or threatened proxy contest relating to
the election of directors to the Company). 
 (f) Change in Control Price. For purposes of this Section 11, “Change in Control
Price” shall be, as determined by the Board, (i) the highest Fair Market Value of a Share within the 60-day period immediately preceding the date of determination of the Change in Control Price by the Board (the “60-Day Period”),
or (ii) the highest price paid or offered per Share, as determined by the Board, in any bona fide transaction or bona fide offer related to the Change in Control of the Company, at any time within the 60-Day Period, or (iii) such lower
price as the Board, in its discretion, determines to be a reasonable estimate of the fair market value of a Share. 
 12. Date of Grant. The
date of grant of an Option or Right shall be, for all purposes, the date on which the Administrator makes the determination granting such Option or Right, or such other later date as is determined by the Administrator. Notice of the determination
shall be provided to each Optionee within a reasonable time after the date of such grant. 
 13. Amendment and Termination of the Plan.

 (a) Amendment and Termination. The Board may at any time amend, alter, suspend or terminate the Plan. 
  

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 (b) Shareholder Approval. The Company shall obtain shareholder approval of any Plan amendment to the
extent necessary and desirable to comply with Rule 16b-3 or with Section 422 of the Code (or any successor rule or statute or other applicable law, rule or regulation, including the requirements of any exchange or quotation system on which the
Common Stock is listed or quoted). Such shareholder approval, if required, shall be obtained in such a manner and to such a degree as is required by the applicable law, rule or regulation. 
 (c) Effect of Amendment or Termination. No amendment, alteration, suspension or termination of the Plan shall impair the rights of any Optionee, unless
mutually agreed otherwise between the Optionee and the Administrator, which agreement must be in writing and signed by the Optionee and the Company. 
 14. Conditions Upon Issuance of Shares. 
 (a) Legal Compliance. Shares shall not be issued pursuant to the
exercise of an Option or Right unless the exercise of such Option or Right and the issuance and delivery of such Shares shall comply with all relevant provisions of law, including, without limitation, the Securities Act of 1933, as amended, the
Exchange Act, the securities laws of applicable states, the rules and regulations promulgated thereunder, Applicable Laws, and the requirements of any stock exchange or quotation system upon which the Shares may then be listed or quoted, and shall
be further subject to the approval of counsel for the Company with respect to such compliance. 
 (b) Investment Representations. As a
condition to the exercise of an Option or Right, the Company may require the person exercising such Option or Right to represent and warrant at the time of any such exercise that the Shares are being purchased only for investment and without any
present intention to sell or distribute such Shares and to provide such other representations and warranties as are necessary to comply with Federal and applicable state securities laws, or with covenants or representations made by the Company in
connection with any offering of its Common Stock, if in the opinion of counsel for the Company, such representations are required. 
 15.
Liability of Company. 
 (a) Inability to Obtain Authority. The inability of the Company to obtain authority from any regulatory body having
jurisdiction, which authority is deemed by the Company’s counsel to be necessary to the lawful issuance and sale of any Shares hereunder, shall relieve the Company of any liability in respect of the failure to issue or sell Shares as to which
such requisite authority shall not have been obtained. 
 (b) Grants Exceeding Allotted Shares. If the Optioned Stock covered by an Option or
Right exceeds, as of the date of grant, the number of Shares which may be issued under the Plan without additional shareholder approval, such Option or Right shall be void with respect to such excess Optioned Stock, unless shareholder approval of an
amendment sufficiently increasing the number of Shares subject to the Plan is timely obtained in accordance with Section 13 (b) of the Plan. 
 16. Reservation of Shares. The Company, during the term of this Plan, will at all times reserve and keep available such number of Shares as shall be sufficient to satisfy the requirements of the Plan. 
 17. Shareholder Approval. Continuance of the Plan shall be subject to approval by the shareholders of the Company within twelve (12) months after
the date the Plan is adopted. Such shareholder approval shall be obtained in the manner and to the degree required under applicable federal and state law. 
 18. Cancellation and Rescission of Options and Rights. 
 (a) Conditions for Cancellation and Rescission of
Options and Rights. Unless the Option Agreement, SAR Agreement, Long-Term Performance Award Agreement or Restricted Stock Purchase Agreement (collectively the “Stock Award Agreement”) specifies otherwise, the Board may cancel, rescind,
suspend, withhold or otherwise limit or restrict any unexpired, unpaid, or deferred Option or Right at any time if 

  

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the participant is not in compliance with all applicable provisions of the Stock Award Agreement and the Plan, or if the participant engages in any
“Detrimental Activity.” For purposes of this subsection 18(a), “Detrimental Activity” shall include: (i) the rendering of services for any organization or engaging directly or indirectly in any business which is or becomes
competitive with the Company, or which organization or business, or the rendering of services to such organization or business, is or becomes otherwise prejudicial to or in conflict with the interests of the Company; (ii) the disclosure to
anyone outside the Company, or the use in other than the Company’s business, without prior written authorization from the Company, of any confidential information or material, as defined in the Company’s confidential information or similar
agreement, relating to the business of the Company, acquired by the participant either during or after employment with the Company; (iii) the failure or refusal to disclose promptly and to assign to the Company, pursuant to the Company’s
confidential information or similar agreement, all right, title and interest in any invention or idea, patentable or not, made or conceived by the participant during employment by the Company, relating in any manner to the actual or anticipated
business, research or development work of the Company or the failure or refusal to do anything reasonably necessary to enable the Company to secure a patent where appropriate in the United States and in other countries; (iv) activity that
results in termination of the participant’s employment for cause; (v) a violation of any rules, policies, procedures or guidelines of the Company, including but not limited to the Company’s business conduct or similar guidelines;
(vi) any attempt directly or indirectly to induce any employee of the Company to be employed or perform services elsewhere or any attempt directly or indirectly to solicit the trade or business of any current or prospective customer, supplier
or partner of the Company; (vii) the participant being convicted of, or entering a guilty plea with respect to, a crime, whether or not connected with the Company; or (viii) any other conduct or act determined to be injurious, detrimental
or prejudicial to any interest of the Company. 
 (b) Remedies of the Company. In connection with subsection 18(a) herein, upon exercise,
payment or delivery pursuant to an Option or Right, the participant shall certify in a manner acceptable to the Company that he or she is in compliance with the terms and conditions of the Plan. In the event a participant engages in a Detrimental
Activity prior to, or during the six months after, any exercise, payment or delivery pursuant to an Option or Right, such exercise, payment or delivery may be rescinded within two years thereafter. In the event of any such rescission, the
participant shall pay to the Company the amount of any gain realized or payment received as a result of the rescinded exercise, payment or delivery, in such manner and on such terms and conditions as may be required, and the Company shall be
entitled to set-off against the amount of any such gain any amount owed to the participant by the Company. 
 Adopted by the Board of Directors on
October 9, 1999, amended effective June 17, 2008. 
  

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