AMYRIS BIOTECHNOLOGIES, INC. STOCK OPTION AGREEMENT (FOR NON-U.S. EMPLOYEES)

Exhibit 10.42

AMYRIS BIOTECHNOLOGIES, INC.

(FOR NON-U.S. EMPLOYEES)

RECITALS

A. The Board has adopted the Plan for the purpose of rewarding selected Employees, non-employee members of the Board or the board of directors of any Parent or Subsidiary and consultants and other independent advisors in the service of the Corporation (or any Parent or Subsidiary).

B. This Agreement is executed pursuant to, and is intended to carry out the purposes of, the Plan in connection with the Corporation’s grant of an option to Optionee.

C. All capitalized terms in this Agreement shall have the meaning assigned to them in the attached Appendix A.

NOW, THEREFORE, it is hereby agreed as follows:

1. Grant of Option. The Corporation hereby grants to Optionee, as of the Grant Date, an option to purchase up to the number of Option Shares specified in the Grant Notice. The Option Shares shall be purchasable from time to time during the option term specified in Paragraph 2 at the Exercise Price and as set forth in the Grant Notice.

2. Option Term. This option shall have a term of ten (10) years measured from the Grant Date and shall accordingly expire at the close of business on the Expiration Date, unless sooner terminated in accordance with Paragraph 5 or 6.

3. Limited Transferability. This option shall be neither transferable nor assignable by Optionee other than by will or the laws of inheritance following Optionee’s death and may be exercised, during Optionee’s lifetime, only by Optionee.

4. Dates of Exercise. This option shall become exercisable for the Option Shares in one or more installments as specified in the Grant Notice. As the option becomes exercisable for such installments, those installments shall accumulate, and the option shall remain exercisable for the accumulated installments until the Expiration Date or sooner termination of the option term under Paragraph 5 or 6.

5. Cessation of Service. The option term specified in Paragraph 2 shall terminate (and this option shall cease to be outstanding) prior to the Expiration Date should any of the following provisions become applicable:

(a) Should Optionee cease to remain in Service for any reason (other than death, Disability or Misconduct) while this option is outstanding, then Optionee shall have a period of three (3) months (commencing with the date of such cessation of Service) during which to exercise this option, but in no event shall this option be exercisable at any time after the Expiration Date.

(b) Should Optionee die while this option is outstanding, then the personal representative of Optionee’s estate or the person or persons to whom the option is transferred pursuant to Optionee’s will or the laws of inheritance following Optionee’s death shall have the right to exercise this option. Any such right to exercise this option shall lapse, and this option shall cease to be outstanding, upon the earlier of (i) the expiration of the twelve (12)-month period measured from the date of Optionee’s death or (ii) the Expiration Date.

(c) Should Optionee cease Service by reason of Disability while this option is outstanding, then Optionee shall have a period of twelve (12) months (commencing with the date of such cessation of Service) during which to exercise this option. In no event shall this option be exercisable at any time after the Expiration Date.

Note: Exercise of this option on a date later than three (3) months following cessation of Service due to Disability will result in loss of favorable Incentive Option treatment, unless such Disability constitutes Permanent Disability. In the event that Incentive Option treatment is not available, this option will be taxed as a Non-Statutory Option upon exercise.

(d) During the limited period of post-Service exercisability, this option may not be exercised in the aggregate for more than the number of Option Shares in which Optionee is, at the time of Optionee’s cessation of Service, vested pursuant to the Vesting Schedule specified in the Grant Notice or the special vesting acceleration provisions of Paragraph 6. No additional Option Shares shall vest, whether pursuant to the normal Vesting Schedule specified in the Grant Notice or the special vesting acceleration provisions of Paragraph 6, following the Optionee’s cessation of Service, except to the extent (if any) specifically authorized by the Plan Administrator pursuant to an express written agreement with the Optionee. Upon the expiration of such limited exercise period or (if earlier) upon the Expiration Date, this option shall terminate and cease to be outstanding for any vested Option Shares for which the option has not been exercised.

(e) Should Optionee’s Service be terminated for Misconduct or should Optionee otherwise engage in Misconduct while this option is outstanding, then this option shall terminate immediately and cease to remain outstanding.

6. Change in Control.

(a) Should a Change in Control occur during the Optionee’s period of Service, then the Option Shares at the time subject to this option but not otherwise vested shall automatically vest in full so that this option shall, immediately prior to the effective date of the

Change in Control, become exercisable for all of the Option Shares as fully vested shares and may be exercised for any or all of those Option Shares as vested shares. However, the Option Shares shall not vest on such an accelerated basis if and to the extent: (i) this option is assumed by the successor corporation (or parent thereof) or otherwise continued in full force and effect pursuant to the terms of the Change in Control transaction and the Corporation’s repurchase rights with respect to the unvested Option Shares are assigned to such successor corporation (or parent thereof) or otherwise continued in effect or (ii) this option is to be replaced with a cash incentive program of the successor corporation which preserves the spread existing on the unvested Option Shares at the time of the Change in Control (the excess of the Fair Market Value of those Option Shares over the Exercise Price payable for such shares) and provides for subsequent payout of that spread in accordance with the same Vesting Schedule applicable to those unvested Option Shares as set forth in the Grant Notice or (iii) such accelerated vesting is otherwise precluded pursuant to the provisions of Paragraph 5(d) above.

(b) Immediately following the Change in Control, this option shall terminate and cease to be outstanding, except to the extent assumed by the successor corporation (or parent thereof) or otherwise continued in full force and effect pursuant to the terms of the Change in Control transaction.

(c) If this option is assumed in connection with a Change in Control or otherwise continued in effect, then this option shall be appropriately adjusted, immediately after such Change in Control, to apply to the number and class of securities which would have been issuable to Optionee in consummation of such Change in Control had the option been exercised immediately prior to such Change in Control, and appropriate adjustments shall also be made to the Exercise Price, provided the aggregate Exercise Price shall remain the same. To the extent that the actual holders of the Corporation’s outstanding Common Stock receive cash consideration for their Common Stock in consummation of the Change in Control, the successor corporation may, in connection with the assumption or continuation of this option, substitute one or more shares of its own common stock with a fair market value equivalent to the cash consideration paid per share of Common Stock in such Change in Control.

(d) This Agreement shall not in any way affect the right of the Corporation to adjust, reclassify, reorganize or otherwise change its capital or business structure or to merge, consolidate, dissolve, liquidate or sell or transfer all or any part of its business or assets.

7. Adjustment in Option Shares. Should any change be made to the Common Stock by reason of any stock split, stock dividend, recapitalization, combination of shares, exchange of shares or other change affecting the outstanding Common Stock as a class without the Corporation’s receipt of consideration, appropriate adjustments shall be made to (i) the total number and/or class of securities subject to this option and (ii) the Exercise Price in order to reflect such change and thereby preclude a dilution or enlargement of benefits hereunder.

8. Stockholder Rights. The holder of this option shall not have any stockholder rights with respect to the Option Shares until such person shall have exercised the option, paid the Exercise Price and become the record holder of the purchased shares.

9. Manner of Exercising Option.

(a) In order to exercise this option with respect to all or any part of the Option Shares for which this option is at the time exercisable, Optionee (or any other person or persons exercising the option) must take the following actions:

(i) Execute and deliver to the Corporation a Purchase Agreement for the Option Shares for which the option is exercised.

(ii) Pay the aggregate Exercise Price for the purchased shares in one or more of the following forms:

(A) cash or check made payable to the Corporation; or

(B) a promissory note payable to the Corporation, but only to the extent authorized by the Plan Administrator in accordance with Paragraph 24.

Should the Common Stock be registered under Section 12 of the 1934 Act at the time the option is exercised, then the Exercise Price may also be paid as follows:

(C) to the extent the option is exercised for vested Option Shares, through a special sale and remittance procedure pursuant to which Optionee (or any other person or persons exercising the option) shall concurrently provide irrevocable instructions (a) to a brokerage firm (reasonably satisfactory to the Corporation for purposes of administering such procedure in compliance with any applicable pre-clearance or pre-notification requirements) to effect the immediate sale of the purchased shares and remit to the Corporation, out of the sale proceeds available on the settlement date, sufficient funds to cover the aggregate Exercise Price payable for the purchased shares plus all Tax-Related Items, and (b) to the Corporation to deliver the certificates for the purchased shares directly to such brokerage firm on such settlement date in order to complete the sale.

Except to the extent the sale and remittance procedure is utilized in connection with the option exercise, payment of the Exercise Price must accompany the Purchase Agreement delivered to the Corporation in connection with the option exercise.

(iii) Furnish to the Corporation appropriate documentation that the person or persons exercising the option (if other than Optionee) have the right to exercise this option.

(iv) Execute and deliver to the Corporation such written representations as may be requested by the Corporation in order for it to comply with the applicable requirements of applicable securities laws.

(v) Make appropriate arrangements with the Corporation (or Parent or Subsidiary employing or retaining Optionee) for the satisfaction of all Tax-Related Items (as defined below).

(b) As soon as practical after the Exercise Date, the Corporation shall issue to or on behalf of Optionee (or any other person or persons exercising this option) a certificate for the purchased Option Shares, with the appropriate legends affixed thereto.

10. Responsibility for Taxes. Regardless of any action the Corporation or Optionee’s Employer takes with respect to any or all Tax-Related Items, Optionee acknowledges that the ultimate liability for all Tax-Related Items is and remains Optionee’s responsibility and may exceed the amount actually withheld by the Corporation or the Employer. Optionee further acknowledges that the Corporation and/or the Employer (i) make no representations or undertakings regarding the treatment of any Tax-Related Items in connection with any aspect of the option, including, but not limited to, the grant, vesting or exercise of the option, the subsequent sale of shares of Option Shares acquired pursuant to such exercise and the receipt of any dividends; and (ii) do not commit to and are under no obligation to structure the terms of the grant or any aspect of the option to reduce or eliminate Optionee’s liability for Tax-Related Items or achieve any particular tax result. Further, if Optionee has become subject to tax in more than one jurisdiction between the Grant Date and the date of any relevant taxable event, Optionee acknowledges that the Corporation and/or the Employer (or former employer, as applicable) may be required to withhold or account for Tax-Related Items in more than one jurisdiction.

Prior to the relevant taxable or tax withholding event, as applicable, Optionee will pay or make adequate arrangements satisfactory to the Corporation and/or the Employer to satisfy all Tax-Related Items. In this regard, Optionee authorizes the Corporation and/or the Employer, or their respective agents, at their discretion, to satisfy the obligations with regard to all Tax-Related Items by one or a combination of the following: (i) withholding from Optionee’s wages or other cash compensation paid to Optionee by the Corporation and/or the Employer; or (ii) withholding from proceeds of the sale of shares of Common Stock acquired at exercise of the Option either through a voluntary sale or through a mandatory sale arranged by the Corporation (on Optionee’s behalf pursuant to this authorization); or (iii) withholding in shares of Common Stock to be issued at exercise of the Option.

To avoid any negative accounting treatment, the Corporation may withhold or account for Tax-Related Items by considering applicable minimum statutory withholding amounts or

other applicable withholding rates. If the obligation for Tax-Related Items is satisfied by withholding in shares of Common Stock, for tax purposes, Optionee is deemed to have been issued the full number of shares of Common Stock subject to the exercised Options, notwithstanding that a number of the shares of Common Stock are held back solely for the purpose of paying the Tax-Related Items due as a result of any aspect of Optionee’s participation in the Plan.

Finally, Optionee shall pay to the Corporation or the Employer any amount of Tax-Related Items that the Corporation or the Employer may be required to withhold or account for as a result of Optionee’s participation in the Plan that cannot be satisfied by the means previously described. The Corporation may refuse to issue or deliver the shares or the proceeds of the sale of shares of Common Stock if Optionee fails to comply with Optionee’s obligations in connection with the Tax-Related Items.

11. Nature of Grant. In accepting the option, Optionee acknowledges, understands and agrees that:

(a) the Plan is established voluntarily by the Corporation, it is discretionary in nature, and may be amended, suspended or terminated by the Corporation at any time;

(b) the grant of the option is voluntary and occasional and does not create any contractual or other right to receive future grants of options, or benefits in lieu of options, even if options have been granted repeatedly in the past;

(d) Optionee is voluntarily participating in the Plan;

(e) the option and any Option Shares are extraordinary items that do not constitute compensation of any kind for services of any kind rendered to the Corporation or the Employer, and are outside the scope of Optionee’s employment contract, if any;

(f) the option and any Option Shares are not intended to replace any pension rights or compensation;

(g) the option and Option Shares are not part of normal or expected compensation or salary for any purposes, including, but not limited to, calculating any severance, resignation, termination, redundancy, dismissal, end of service payments, bonuses, long-service awards, pension or retirement or welfare benefits or similar payments and in no event should be considered as compensation for, or relating in any way to, past services for the Corporation, the Employer, or any Subsidiary of the Corporation;

(h) the option grant and Optionee’s participation in the Plan will not be interpreted to form an employment contract or relationship with the Corporation or any Subsidiary of the Corporation;

(i) the future value of the shares of Common Stock underlying the option is unknown and cannot be predicted with certainty;

(j) if the underlying shares of Common Stock do not increase in value, the option will have no value;

(k) if Optionee exercises the option and acquires Option Shares, the value of such Option Shares may increase or decrease in value, even below the Exercise Price;

(l) no claim or entitlement to compensation or damages shall arise from forfeiture of the option resulting from termination of Optionee’s employment by the Corporation or the Employer (for any reason whatsoever and whether or not in breach of local labor laws) and in consideration of the grant of the option to which Optionee is otherwise not entitled, Optionee irrevocably agrees never to institute any claim against the Corporation or the Employer, waives his or her ability, if any, to bring any such claim, and releases the Corporation and the Employer from any such claim; if, notwithstanding the foregoing, any such claim is allowed by a court of competent jurisdiction, then, by participating in the Plan, Optionee shall be deemed irrevocably to have agreed not to pursue such claim and agrees to execute any and all documents necessary to request dismissal or withdrawal of such claims;

(m) if Optionee is an Employee, in the event of termination of Optionee’s employment (whether or not in breach of local labor laws), Optionee’s right to vest in the option under the Plan, if any, will terminate effective as of the date that Optionee is no longer actively providing Services and will not be extended by any notice period mandated under local law (e.g., active employment would not include a period of “garden leave” or similar period pursuant to local law); the Board shall have the exclusive discretion to determine when Optionee is no longer actively providing Services for purposes of Optionee’s option grant; and

(n) the option and the benefits under the Plan, if any, will not automatically transfer to another company in the case of a merger, take-over or transfer of liability.

12. No Advice Regarding Grant. The Corporation is not providing any tax, legal or financial advice, nor is the Corporation making any recommendations regarding Optionee’s participation in the Plan or Optionee’s acquisition or sale of the Option Shares. Optionee is hereby advised to consult with his or her own personal tax, legal and financial advisors regarding his or her participation in the Plan before taking any action related to the Plan.

13. Data Privacy. Optionee hereby explicitly and unambiguously consents to the collection, use and transfer, in electronic or other form, of Optionee’s personal data as described in this Agreement and any other option grant materials by and among, as applicable,

the Employer, the Corporation and its Subsidiaries for the exclusive purpose of implementing, administering and managing Optionee’s participation in the Plan.

Optionee understands that the Corporation and the Employer may hold certain personal information about Optionee, including, but not limited to, Optionee’s name, home address and telephone number, date of birth, social insurance number or other identification number, salary, nationality, job title, any shares of stock or directorships held in the Corporation, details of all options or any other entitlement to shares of stock awarded, canceled, exercised, vested, unvested or outstanding in Optionee’s favor, for the exclusive purpose of implementing, administering and managing the Plan (“Data”).

Optionee understands that Data will be transferred to a stock plan service provider as may be selected by the Corporation in the future to assist the Corporation with the implementation, administration and management of the Plan. Optionee understands that the recipients of the Data may be located in the United States or elsewhere, and that the recipient’s country (e.g., the United States) may have different data privacy laws and protections than Optionee’s country. Optionee understands that he or she may request a list with the names and addresses of any potential recipients of the Data by contacting Optionee’s local human resources representative. Optionee authorizes the Employer, Corporation, any such stock plan service provider and any other possible recipients which may assist the Corporation (presently or in the future) with implementing, administering and managing the Plan to receive, possess, use, retain and transfer the Data, in electronic or other form, for the purpose of implementing, administering and managing his or her participation in the Plan. Optionee understands that Data will be held only as long as is necessary to implement, administer and manage Optionee’s participation in the Plan. Optionee understands that he or she may, at any time, view Data, request additional information about the storage and processing of Data, require any necessary amendments to Data or refuse or withdraw the consents herein, in any case without cost, by contacting in writing his or her local human resources representative. Optionee understands, however, that refusing or withdrawing his or her consent may affect Optionee’s ability to participate in the Plan. For more information on the consequences of Optionee’s refusal to consent or withdrawal of consent, Optionee understands that he or she may contact his or her local human resources representative.

14. Governing Law. The option grant and the interpretation, performance and enforcement of this Agreement, the Grant Notice, the Purchase Agreement and any other document related to the Option and/or the Plan are governed by, and subject to, the laws of the State of California, without regard to the conflict of law provisions, as provided in the Plan. For purposes of litigating any dispute that arises directly or indirectly from the relationship of the parties evidenced by this grant or the Agreement, the Grant Notice, the Purchase Agreement or any other document related to the Option and/or the Plan, the parties hereby submit to and consent to the exclusive jurisdiction of the State of California and agree that such litigation shall be conducted only in the courts of Alameda County, California, or the federal courts for the United States for the Northern District of California, and no other courts, where this grant is made and/or to be performed.

15. Electronic Delivery. The Corporation may, in its sole discretion, decide to deliver any documents related to current or future participation in the Plan by electronic means. Optionee hereby consents to receive such documents by electronic delivery and agrees to participate in the Plan through an on-line or electronic system established and maintained by the Corporation or a third party designated by the Corporation.

16. Language. If Optionee has received this Agreement, or any other document related to the option and/or the Plan translated into a language other than English and if the translated version is different than the English version, the English version will control.

17. Severability. The provisions of this Agreement are severable and if any one or more provisions are determined to be illegal or otherwise unenforceable, in whole or in part, the remaining provisions shall nevertheless be binding and enforceable.

18. Appendix B. The option shall be subject to any special provisions set forth in the attached Appendix B for Optionee’s country of residence, if any. If Optionee relocates to one of the countries included in Appendix B during the life of the option, the special provisions for such country shall apply to Optionee, to the extent the Corporation determines that the application of such provisions is necessary or advisable in order to comply with local law or facilitate the administration of the Plan. Appendix B constitutes part of this Agreement.

19. Imposition of Other Requirements. The Corporation reserves the right to impose other requirements on the option and the Option Shares to the extent the Corporation determines it is necessary or advisable in order to comply with local laws or facilitate the administration of the Plan, and to require Optionee to sign any additional agreements or undertakings that may be necessary to accomplish the foregoing.

20. REPURCHASE RIGHTS. ALL OPTION SHARES ACQUIRED UPON THE EXERCISE OF THIS OPTION SHALL BE SUBJECT TO CERTAIN RIGHTS OF THE CORPORATION AND ITS ASSIGNS TO REPURCHASE THOSE SHARES IN ACCORDANCE WITH THE TERMS SPECIFIED IN THE PURCHASE AGREEMENT.

21. Compliance with Laws and Regulations.

(a) The exercise of this option and the issuance of the Option Shares upon such exercise shall be subject to compliance by the Corporation and Optionee with all applicable requirements of law relating thereto and with all applicable regulations of any stock exchange (or the Nasdaq National Market, if applicable) on which the Common Stock may be listed for trading at the time of such exercise and issuance.

(b) The inability of the Corporation to obtain approval from any regulatory body having authority deemed by the Corporation to be necessary to the lawful issuance and sale of any Common Stock pursuant to this option shall relieve the Corporation of any liability with respect to the non-issuance or sale of the Common Stock as to which such

approval shall not have been obtained. The Corporation, however, shall use its best efforts to obtain all such approvals.

22. Successors and Assigns. Except to the extent otherwise provided in Paragraph 6, the provisions of this Agreement shall inure to the benefit of, and be binding upon, the Corporation and its successors and assigns and Optionee, Optionee’s legal representatives, and heirs and legatees of Optionee’s estate.

23. Notices. Any notice required to be given or delivered to the Corporation under the terms of this Agreement shall be in writing and addressed to the Corporation at its principal corporate offices. Any notice required to be given or delivered to Optionee shall be in writing and addressed to Optionee at the address indicated below Optionee’s signature line on the Grant Notice. All notices shall be deemed effective upon personal delivery or upon deposit in the post office, postage prepaid and properly addressed to the party to be notified.

24. Financing. The Plan Administrator may, in its absolute discretion and without any obligation to do so, permit Optionee to pay the Exercise Price for the purchased Option Shares by delivering a full-recourse promissory note bearing interest at a market rate and secured by those Option Shares. The payment schedule in effect for any such promissory note shall be established by the Plan Administrator in its sole discretion.

25. Construction. This Agreement and the option evidenced hereby are made and granted pursuant to the Plan and are in all respects limited by and subject to the terms of the Plan. All decisions of the Plan Administrator with respect to any question or issue arising under the Plan or this Agreement shall be conclusive and binding on all persons having an interest in this option.

26. Stockholder Approval. If the Option Shares covered by this Agreement exceed, as of the Grant Date, the number of shares of Common Stock which may be issued under the Plan as last approved by the stockholders, then this option shall be void with respect to such excess shares, unless stockholder approval of an amendment sufficiently increasing the number of shares of Common Stock issuable under the Plan is obtained in accordance with the provisions of the Plan.

27. Additional Terms Applicable to an Incentive Option (For U.S. Taxpayers). In the event this option is designated an Incentive Option in the Grant Notice, the following terms and conditions shall also apply to the grant:

(a) This option shall cease to qualify for favorable tax treatment as an Incentive Option if (and to the extent) this option is exercised for one or more Option Shares: (i) more than three (3) months after the date Optionee ceases to be an Employee for any reason other than death or Permanent Disability or (ii) more than twelve (12) months after the date Optionee ceases to be an Employee by reason of Permanent Disability.

(b) This option shall not become exercisable in the calendar year in which granted if (and to the extent) the aggregate Fair Market Value (determined at the Grant

Date) of the Common Stock for which this option would otherwise first become exercisable in such calendar year would, when added to the aggregate value (determined as of the respective date or dates of grant) of the Common Stock and any other securities for which one or more other Incentive Options granted to Optionee prior to the Grant Date (whether under the Plan or any other option plan of the Corporation or any Parent or Subsidiary) first become exercisable during the same calendar year, exceed One Hundred Thousand Dollars ($100,000) in the aggregate. To the extent the exercisability of this option is deferred by reason of the foregoing limitation, the deferred portion shall become exercisable in the first calendar year or years thereafter in which the One Hundred Thousand Dollar ($100,000) limitation of this Paragraph 27(b) would not be contravened, but such deferral shall in all events end immediately prior to the effective date of a Change in Control in which this option is not to be assumed or otherwise continued in effect, whereupon the option shall become immediately exercisable as a Non-Statutory Option for the deferred portion of the Option Shares.

(c) Should Optionee hold, in addition to this option, one or more other options to purchase Common Stock which become exercisable for the first time in the same calendar year as this option, then for purposes of the foregoing limitations on the exercisability of such options as Incentive Options, this option and each of those other options shall be deemed to become first exercisable in that calendar year on the basis of the chronological order in which they were granted, except to the extent otherwise provided under applicable law or regulation.

APPENDIX A

The following definitions shall be in effect under the Agreement:

A. Agreement shall mean this Stock Option Agreement.

B. Board shall mean the Corporation’s Board of Directors.

C. Change in Control shall mean a change in ownership or control of the Corporation effected through any of the following transactions:

(i) a merger, consolidation or other reorganization approved by the Corporation’s stockholders, unless securities representing more than fifty percent (50%) of the total combined voting power of the voting securities of the successor corporation are immediately thereafter beneficially owned, directly or indirectly and in substantially the same proportion, by the persons who beneficially owned the Corporation’s outstanding voting securities immediately prior to such transaction, or

(ii) a stockholder-approved sale, transfer or other disposition of all or substantially all of the Corporation’s assets in liquidation or dissolution of the Corporation, or

(iii) the acquisition, directly or indirectly by any person or related group of persons (other than the Corporation or a person that directly or indirectly controls, is controlled by, or is under common control with, the Corporation), of beneficial ownership (within the meaning of Rule 13d-3 of the ▇▇▇▇ ▇▇▇) of securities possessing more than fifty percent (50%) of the total combined voting power of the Corporation’s outstanding securities pursuant to a tender or exchange offer made directly to the Corporation’s stockholders.

In no event shall any public offering of the Corporation’s securities be deemed to constitute a Change in Control.

D. Code shall mean the U.S. Internal Revenue Code of 1986, as amended.

E. Common Stock shall mean the Corporation’s common stock.

F. Corporation shall mean Amyris Biotechnologies, Inc., a California corporation, and any successor corporation to all or substantially all of the assets or voting stock of Amyris Biotechnologies, Inc. which shall by appropriate action assume this option.

G. Disability shall mean the inability of Optionee to engage in any substantial gainful activity by reason of any medically determinable physical or mental impairment and shall be determined by the Plan Administrator on the basis of such medical evidence as the Plan Administrator deems warranted under the circumstances. Disability shall be

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deemed to constitute Permanent Disability in the event that such Disability is expected to result in death or has lasted or can be expected to last for a continuous period of tw.elve (12) months or more.

H. Employee shall mean an individual who is in the employ of the Corporation (or any Parent or Subsidiary), subject to the control and direction of the employer entity as to both the work to be performed and the manner and method of performance.

I. Employer shall mean Optionee’s employer.

J. Exercise Date shall mean the date on which the option shall have been exercised in accordance with Paragraph 9 of the Agreement.

K. Exercise Price shall mean the exercise price payable per Option Share as specified in the Grant Notice.

L. Expiration Date shall mean the date on which the option expires as specified in the Grant Notice.

M. Fair Market Value per share of Common Stock on any relevant date shall be determined in accordance with the following provisions:

(i) If the Common Stock is at the time traded on the Nasdaq National Market, then the Fair Market Value shall be the closing selling price per share of Common Stock on the date in question, as the price is reported by the National Association of Securities Dealers on the Nasdaq National Market and published in The Wall Street Journal. If there is no closing selling price for the Common Stock on the date in question, then the Fair Market Value shall be the closing selling price on the last preceding date for which such quotation exists.

(ii) If the Common Stock is at the time listed on any Stock Exchange, then the Fair Market Value shall be the closing selling price per share of Common Stock on the date in question on the Stock Exchange determined by the Plan Administrator to be the primary market for the Common Stock, as such price is officially quoted in the composite tape of transactions on such exchange and published in The Wall Street Journal. If there is no closing selling price for the Common Stock on the date in question, then the Fair Market Value shall be the closing selling price on the last preceding date for which such quotation exists.

(iii) If the Common Stock is at the time neither listed on any Stock Exchange nor traded on the Nasdaq National Market, then the Fair Market Value shall be determined by the Plan Administrator after taking into account such factors as the Plan Administrator shall deem appropriate.

▇. ▇▇▇▇▇ Date shall mean the date of grant of the option as specified in the Grant Notice.

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▇. ▇▇▇▇▇ Notice shall mean the Notice of Grant of Stock Option accompanying the Agreement, pursuant to which Optionee has been informed of the basic terms of the option evidenced hereby.

P. Incentive Option shall mean an option which satisfies the requirements of Code Section 422.

Q. Misconduct shall mean the commission of any act of fraud, embezzlement or dishonesty by Optionee, any unauthorized use or disclosure by Optionee of confidential information or trade secrets of the Corporation (or any Parent or Subsidiary), or any other intentional misconduct by Optionee adversely affecting the business or affairs of the Corporation (or any Parent or Subsidiary) in a material manner. The foregoing definition shall not in any way preclude or restrict the right of the Corporation (or any Parent or Subsidiary) to discharge or dismiss Optionee or any other person in the Service of the Corporation (or any Parent or Subsidiary) for any other acts or omissions, but such other acts or omissions shall not be deemed, for purposes of the Plan or this Agreement, to constitute grounds for termination for Misconduct.

R. 1934 Act shall mean the U.S. Securities Exchange Act of 1934, as amended.

S. Non-Statutory Option shall mean an option not intended to satisfy the requirements of Code Section 422.

T. Option Shares shall mean the number of shares of Common Stock subject to the option.

U. Optionee shall mean the person to whom the option is granted as specified in the Grant Notice.

V. Parent shall mean any corporation (other than the Corporation) in an unbroken chain of corporations ending with the Corporation, provided each corporation in the unbroken chain (other than the Corporation) owns, at the time of the determination, stock possessing fifty percent (50%) or more of the total combined voting power of all classes of stock in one of the other corporations in such chain.

W. Plan shall mean the Corporation’s 2005 Stock Option/Stock Issuance Plan.

X. Plan Administrator shall mean either the Board or a committee of the Board acting in its capacity as administrator of the Plan.

Y. Purchase Agreement shall mean the stock purchase agreement in substantially the form of Exhibit B to the Grant Notice.

Z. Service shall mean the Optionee’s performance of services for the Corporation (or any Parent or Subsidiary, whether now existing or subsequently established) in

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the capacity of an Employee, a non-employee member of the board of directors or a consultant or independent advisor. For purposes of this Agreement, Optionee shall be deemed to cease Service immediately upon the occurrence of either of the following events: (i) Optionee no longer actively performs services in any of the foregoing capacities for the Corporation or any Parent or Subsidiary or (ii) the entity for which Optionee is performing such services ceases to remain a Parent or Subsidiary of the Corporation, even though the Optionee may subsequently continue to perform services for that entity. Service shall not be deemed to cease during a period of military leave, sick leave or other personal leave approved by the Corporation; provided, however, that should such leave of absence exceed three (3) months, then for purposes of determining the period within which the Option (if designated as an Incentive Option in the Grant Notice) may be exercised as such an Incentive Option under the federal tax laws, the Optionee’s Service shall be deemed to cease on the first day immediately following the expiration of such three (3)-month period, unless Optionee is provided with the right to return to Service following such leave either by statute or by written contract. Except to the extent otherwise required by law or expressly authorized by the Plan Administrator, no Service credit shall be given for vesting purposes for any period the Optionee is on a leave of absence.

AA. Stock Exchange shall mean the American Stock Exchange or the New York Stock Exchange.

BB. Subsidiary shall mean any corporation (other than the Corporation) in an unbroken chain of corporations beginning with the Corporation, provided each corporation (other than the last corporation) in the unbroken chain owns, at the time of the determination, stock possessing fifty percent (50%) or more of the total combined voting power of all classes of stock in one of the other corporations in such chain.

CC. Tax-Related Items shall mean any or all income tax, social insurance, payroll tax, payment on account or other tax-related items related to Optionee’s participation in the Plan and legally applicable to Optionee.

DD. Vesting Schedule shall mean the vesting schedule specified in the Grant Notice pursuant to which the Optionee is to vest in the Option Shares in a series of installments over his or her period of Service.

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AMYRIS BIOTECHNOLOGIES, INC.

STOCK OPTION AGREEMENT

(FOR NON-U.S. EMPLOYEES)

Terms and Conditions

This Appendix B includes additional terms and conditions that govern the options granted to Optionee under the Plan if Optionee resides in one of the countries listed below. Certain capitalized terms used but not defined in this Appendix B have the meanings set forth in the Plan and/or the Agreement.

Notifications

This Appendix B also includes information regarding exchange controls and certain other issues of which Optionee should be aware with respect to Optionee’s participation in the Plan. The information is based on the securities, exchange control and other laws in effect in the respective countries as of December 2009. Such laws are often complex and change frequently. As a result, the Corporation strongly recommends that Optionee not rely on the information in this Appendix B as the only source of information relating to the consequences of Optionee’s participation in the Plan because the information may be out of date at the time that Optionee exercises the Option or sells Option Shares acquired under the Plan.

In addition, the information contained herein is general in nature and may not apply to Optionee’s particular situation and the Corporation is not in a position to assure Optionee of any particular result. Accordingly, Optionee is advised to seek appropriate professional advice as to how the relevant laws in Optionee’s country may apply to Optionee’s situation.

Finally, if Optionee is a citizen or resident of a country other than the one in which Optionee is currently working, the information contained herein may not be applicable to Optionee.

BRAZIL

Terms and Conditions

Compliance with Law. By accepting the option, Optionee acknowledges his or her agreement to comply with applicable Brazilian laws and to pay any and all applicable taxes associated with the exercise of the option, the receipt of any dividends, and the sale of Option Shares acquired under the Plan.

AMYRIS BIOTECHNOLOGIES, INC. STOCK OPTION AGREEMENT (FOR NON-U.S. EMPLOYEES)

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