Document:

spouse

SPOUSE CONSENT 

Spouse Consent 

The undersigned spouse of Purchaser has read, understands, and hereby approves the Stock Option Exercise Agreement between Purchaser and the Company (the "Agreement"). In consideration of the Company's granting my spouse the right to purchase the Shares as set forth in this Exercise Agreement, the undersigned hereby agrees to be irrevocably bound by this Exercise Agreement and further agrees that any community property interest shall similarly be bound by this Exercise Agreement. The undersigned hereby appoints Purchaser as my attorney-in-fact with respect to any amendment or exercise of any rights under this Exercise Agreement. 

	
Date:

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Name of Purchaser - Please Print

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Signature of Purchaser's Spouse

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FORM OF STOCK OPTION EXERCISE AGREEMENT 

No. 

GAS AND OIL TECHNOLOGIES, INC. 

2001 EQUITY INCENTIVE PLAN 

STOCK OPTION EXERCISE AGREEMENT 

This Exercise Agreement is made and entered into as of ______________, 19___ (the "Effective Date") by and between Gas and Oil Technologies, Inc., a Delaware corporation (the "Company"), and the purchaser named below (the "Purchaser"). Capitalized terms not defined herein shall have the meaning ascribed to them in the Company's 2001 Equity Incentive Plan (the "Plan"). 

Purchaser: 

Social Security Number: 

Address: 

Total Number of Shares: 

Exercise Price Per Share: 

Total Exercise Price: 

Option No. ___ Date of Grant: 

Type of Option: [ ] Incentive Stock Option 

[ ] Nonqualified Stock Option 

1. Exercise of Option. 

1.1 Exercise. Pursuant to exercise of that certain option ("Option") granted to Purchaser under the Plan and subject to the terms and conditions of this Exercise Agreement, Purchaser hereby purchases from the Company, and the Company hereby sells to Purchaser, the Total Number of Shares set forth above ("Shares") of the Company's Common Stock, $1.00 par value per share, at the Exercise Price Per Share set forth above ("Exercise Price"). As used in this Exercise Agreement, the term "Shares" refers to the Shares purchased under this Exercise Agreement and includes all securities received (a) in replacement of the Shares, (b) as a result of stock dividends or stock splits with respect to the Shares, and (c) all securities received in replacement of the Shares in a merger, recapitalization, reorganization or similar corporate transaction. 

1.2 Title to Shares. The exact spelling of the name(s) under which Purchaser will take title to the Shares is: 

Purchaser desires to take title to the Shares as follows:

[ ] Individual, as separate property 

[ ] Husband and wife, as community property 

[ ] Joint Tenants 

[ ] Other; please specify: 

1.3 Payment. Purchaser hereby delivers payment of the Exercise price in cash (by check) in the amount of $_________________, receipt of which is acknowledged by the Company. 

2. Delivery. 

2.1 Deliveries by Purchaser. Purchaser hereby delivers to the Company (i) this Exercise Agreement, (ii) two (2) copies of a blank Stock Power and Assignment Separate from Stock Certificate in the form of Exhibit 1 attached hereto (the "Stock Powers"), both executed by Purchaser (and Purchaser's spouse, if any), (iii) if Purchaser is married, a Consent of Spouse in the form of Exhibit 2 attached hereto (the "Spouse Consent") executed by Purchaser's spouse, and (iv) the Exercise Price and any payment or other provision for any applicable tax obligations. 

2.2 Deliveries by the Company. Upon its receipt of the Exercise Price, payment or other provision for any applicable tax obligations and all the documents to be executed and delivered by Purchaser to the Company under Section 2.1, the Company will issue a duly executed stock certificate evidencing the Shares in the name of Purchaser, to be placed in escrow as provided in Section 10 until expiration or termination of the Company's Repurchase Option and Right of First Refusal described in Sections 8 and 9. 

3. Representations and Warranties of Purchaser. Purchaser represents and warrants to the Company that: 

3.1 Agrees to Terms of the Plan. Purchaser has received a copy of the Plan and the Stock Option Agreement, has read and understands the terms of the Plan, the Stock Option Agreement and this Exercise Agreement, and agrees to be bound by their terms and conditions. Purchaser acknowledges that there may be adverse tax consequences upon exercise of the Option or disposition of the Shares, and that Purchaser should consult a tax adviser prior to such exercise or disposition. 

3.2 Purchase for Own Account for Investment. Purchaser is purchasing the Shares for Purchaser's own account for investment purposes only and not with a view to, or for sale in connection with, a distribution of the Shares within the meaning of the Securities Act. Purchaser has no present intention of selling or otherwise disposing of all or any portion of the Shares and no one other than Purchaser has any beneficial ownership of any of the Shares. 

3.3 Access to Information. Purchaser has had access to all information regarding the Company and its present and prospective business, assets, liabilities and financial condition that Purchaser reasonably considers important in making the decision to purchase the Shares, and Purchaser has had ample opportunity to ask questions of the Company's representatives concerning such matters and this investment. 

3.4 Understanding of Risks. Purchaser is fully aware of: (i) the highly speculative nature of the investment in the Shares; (ii) the financial hazards involved; (iii) the lack of liquidity of the Shares and the restrictions on transferability of the Shares (e.g., that Purchaser may not be able to sell or dispose of the Shares or use them as collateral for loans); (iv) the qualifications and backgrounds of the management of the Company; and (v) the tax consequences of investment in the Shares. Purchaser is capable of evaluating the merits and risks of this investment, has the ability to protect Purchaser's own interests in this transaction and is financially capable of bearing a total loss of this investment. 

3.5 No General Solicitation. At no time was Purchaser presented with or solicited by any publicly issued or circulated newspaper, mail, radio, television or other form of general advertising or solicitation in connection with the offer, sale and purchase of the Shares. 

4. Compliance with Securities Laws. 

4.1 Compliance with U.S. Federal Securities Laws. Purchaser understands and acknowledges that the Shares have not been registered with the SEC under the Securities Act and that, notwithstanding any other provision of the Stock Option Agreement to the contrary, the exercise of any rights to purchase any Shares is expressly conditioned upon compliance with the Securities Act and all applicable state securities laws. Purchaser agrees to cooperate with the Company to ensure compliance with such laws. The Shares are being issued under the Securities Act pursuant to the exemption provided by SEC Rule 701. 

4.2 Compliance with California Securities Laws. The Plan, The stock option agreement, and this Exercise Agreement are intended to comply with Section 25102(o) of the California Corporations Code. Any provision of this Exercise Agreement which is inconsistent with Section 25102(o) shall, without further act or amendment by the Company or the Board, be reformed to comply with the requirements of Section 25102(o). THE SALE OF THE SECURITIES THAT ARE THE SUBJECT OF THIS EXERCISE AGREEMENT, IF NOT YET QUALIFIED WITH THE CALIFORNIA COMMISSIONER OF CORPORATIONS AND NOT EXEMPT FROM SUCH QUALIFICATION, IS SUBJECT TO SUCH QUALIFICATION, AND THE ISSUANCE OF SUCH SECURITIES, AND THE RECEIPT OF ANY PART OF THE CONSIDERATION THEREFOR PRIOR TO SUCH QUALIFICATION IS UNLAWFUL UNLESS THE SALE IS EXEMPT. THE RIGHTS OF THE PARTIES TO THIS EXERCISE AGREEMENT ARE EXPRESSLY CONDITIONED UPON SUCH QUALIFICATION BEING OBTAINED OR AN EXEMPTION BEING AVAILABLE. 

5. Restricted Securities. 

5.1 No Transfer Unless Registered or Exempt. Purchaser understands that Purchaser may not transfer any Shares unless such Shares are registered under the Securities Act or qualified under applicable state securities laws or unless, in the opinion of counsel to the Company, exemptions from such registration and qualification requirements are available. Purchaser understands that only the Company may file a registration statement with the SEC and that the Company is under no obligation to do so with respect to the Shares. Purchaser has also been advised that exemptions from registration and qualification may not be available or may not permit Purchaser to transfer all or any of the Shares in the amounts or at the times proposed by Purchaser. 

5.2 SEC Rule 144. In addition, Purchaser has been advised that SEC Rule 144 promulgated under the Securities Act, which permits certain limited sales of unregistered securities, is not presently available with respect to the Shares and, in any event, requires that the Shares be held for a minimum of one (1) year, and in certain cases two (2) years, after they have been purchased and paid for (within the meaning of Rule 144). Purchaser understands that Rule 144 may indefinitely restrict transfer of the Shares so long as Purchaser remains an "affiliate" of the Company or if "current public information" about the Company (as defined in Rule 144) is not publicly available. 

5.3 SEC Rule 701. The Shares are issued pursuant to SEC Rule 701 promulgated under the Securities Act and may become freely tradeable by non-affiliates (under limited conditions regarding the method of sale) ninety (90) days after the first sale of Common Stock of the Company to the general public pursuant to a registration statement filed with and declared effective by the SEC, subject to the lengthier market standoff agreement contained in Section 7 of this Exercise Agreement or any other agreement entered into by Purchaser. Affiliates must comply with the provisions (other than the holding period requirements) of Rule 144. 

6. Restrictions on Transfers. 

6.1 Disposition of Shares. Purchaser hereby agrees that Purchaser shall make no disposition of the Shares (other than as permitted by this Exercise Agreement) unless and until: 

(a) Purchaser shall have notified the Company of the proposed disposition and provided a written summary of the terms and conditions of the proposed disposition; 

(b) Purchaser shall have complied with all requirements of this Exercise Agreement applicable to the disposition of the Shares; 

(c) Purchaser shall have provided the Company with written assurances, in form and substance satisfactory to counsel for the Company, that (i) the proposed disposition does not require registration of the Shares under the Securities Act or (ii) all appropriate action necessary for compliance with the registration requirements of the Securities Act or of any exemption from registration available under the Securities Act (including Rule 144) has been taken; and 

(d) Purchaser shall have provided the Company with written assurances, in form and substance satisfactory to the Company, that the proposed disposition will not result in the contravention of any transfer restrictions applicable to the Shares pursuant to the provisions of the Commissioner Rules identified in Section 4.2. 

6.2 Restriction on Transfer. Purchaser shall not transfer, assign, grant a lien or security interest in, pledge, hypothecate, encumber or otherwise dispose of any of the Shares which are subject to the Company's Repurchase Option or Right of First Refusal, except as permitted by this Exercise Agreement. 

6.3 Transferee Obligations. Each person (other than the Company) to whom the Shares are transferred by means of one of the permitted transfers specified in this Exercise Agreement must, as a condition precedent to the validity of such transfer, acknowledge in writing to the Company that such person is bound by the provisions of this Exercise Agreement and that the transferred Shares are subject to (i) both the Company's Repurchase Option and Right of First Refusal granted hereunder and (ii) the market stand-off provisions of Section 7, to the same extent such Shares would be so subject if retained by the Purchaser. 

7. Market Standoff Agreement. Purchaser agrees in connection with any registration of the Company's securities that, upon the request of the Company or the underwriters managing any public offering of the Company's securities, Purchaser will not sell or otherwise dispose of any Shares without the prior written consent of the Company or such underwriters, as the case may be, for such period of time (not to exceed 180 days) after the effective date of such registration requested by such managing underwriters and subject to all restrictions as the Company or the underwriters may specify. 

8. Company's Repurchase Option for Unvested Shares. The Company, or its assignee, shall have the option to repurchase Purchaser's Unvested Shares (as defined in Section 2.2 of the Stock Option Agreement) on the terms and conditions set forth in this Section the "Repurchase Option") if Purchaser is Terminated (as defined in the Plan) for any reason, or no reason, including without limitation Purchaser's death, Disability (as defined in the Plan), voluntary resignation or termination by the Company with or without Cause. Notwithstanding the foregoing, the Company shall retain the Repurchase Option for Unvested Shares only as to that number of Unvested Shares (whether or not exercised) that exceeds the number of shares which remain unexercised. 

8.1 Termination and Termination Date. In case of any dispute as to whether Purchaser is Terminated, the Committee shall have discretion to determine whether Purchaser has been Terminated and the effective date of such Termination (the "Termination Date"). 

8.2 Exercise of Repurchase Option. At any time within ninety (90) days after the Purchaser's Termination Date (or, in the case of securities issued upon exercise of an Option after the Purchaser's Termination Date, within ninety (90) days after the date of such exercise), the Company, or its assignee, may elect to repurchase the Purchaser's Unvested Shares by giving Purchaser written notice of exercise of the Repurchase Option. 

8.3 Calculation of Repurchase Price for Unvested Shares. The Company or its assignee shall have the option to repurchase from Purchaser (or from Purchaser's personal representative as the case may be) the Unvested Shares at the Purchaser's Exercise Price, proportionately adjusted for any stock split or similar change in the capital structure of the Company as set forth in Section 2.2 of the Plan (the "Repurchase Price"). 

8.4 Payment of Repurchase Price. The Repurchase Price shall be payable, at the option of the Company or its assignee, by check or by cancellation of all or a portion of any outstanding indebtedness owed by Purchaser to the Company or such assignee, or by any combination thereof. The Repurchase Price shall be paid without interest within sixty (60) days after exercise of the Repurchase Option. 

8.5 Right of Termination Unaffected. Nothing in this Exercise Agreement shall be construed to limit or otherwise affect in any manner whatsoever the right or power of the Company (or any Parent or Subsidiary of the Company) to terminate Purchaser's employment or other relationship with Company (or the Parent or Subsidiary of the Company) at any time, for any reason or no reason, with or without Cause. 

9. Company's Right of First Refusal. Unvested Shares may not be sold or otherwise transferred by Purchaser without the Company's prior written consent. Before any Vested Shares held by Purchaser or any transferee of such Vested Shares (either being sometimes referred to herein as the "Holder") may be sold or otherwise transferred (including without limitation a transfer by gift or operation of law), the Company and/or its assignee(s) shall have an assignable right of first refusal to purchase the Vested Shares to be sold or transferred (the "Offered Shares") on the terms and conditions set forth in this Section (the "Right of First Refusal"). 

9.1 Notice of Proposed Transfer. The Holder of the Offered Shares shall deliver to the Company a written notice (the "Notice") stating: (i) the Holder's bona fide intention to sell or otherwise transfer the Offered Shares; (ii) the name of each proposed bona fide purchaser or other transferee ("Proposed Transferee"); (iii) the number of Offered Shares to be transferred to each Proposed Transferee; (iv) the bona fide cash price or other consideration for which the Holder proposes to transfer the Offered Shares (the "Offered Price"); and (v) that the Holder will offer to sell the Offered Shares to the Company and/or its assignee(s) at the Offered Price as provided in this Section. 

9.2 Exercise of Right of First Refusal. At any time within thirty (30) days after the date of the Notice, the Company and/or its assignee(s) may, by giving written notice to the Holder, elect to purchase all (or, with the consent of the Holder, less than all) the Offered Shares proposed to be transferred to any one or more of the Proposed Transferees named in the Notice, at the purchase price determined as specified below. 

9.3 Purchase Price. The purchase price for the Offered Shares purchased under this Section will be the Offered Price. If the Offered Price includes consideration other than cash, then the cash equivalent value of the non-cash consideration shall conclusively be deemed to be the value of such non-cash consideration as determined in good faith by the Board. 

9.4 Payment. Payment of the Offered Price will be payable, at the option of the Company and/or its assignee(s) (as applicable), by check or by cancellation of all or a portion of any outstanding indebtedness of the Holder to the Company (or to such assignee, in the case of a purchase of Offered Shares by such assignee) or by any combination thereof. The Offered Price will be paid without interest within sixty (60) days after the Company's receipt of the Notice, or, at the option of the Company and/or its assignee(s), in the manner and at the time(s) set forth in the Notice. 

9.5 Holder's Right to Transfer. If all of the Offered Shares proposed in the Notice to be transferred to a given Proposed Transferee are not purchased by the Company and/or its assignee(s) as provided in this Section, then the Holder may sell or otherwise transfer such Offered Shares to that Proposed Transferee at the Offered Price or at a higher price, provided that such sale or other transfer is consummated within 120 days after the date of the Notice, and provided further, that (i) any such sale or other transfer is effected in compliance with all applicable securities laws and (ii) the Proposed Transferee agrees in writing that the provisions of this Section will continue to apply to the Offered Shares in the hands of such Proposed Transferee. If the Offered Shares described in the Notice are not transferred to the Proposed Transferee within such 120 day period, then a new Notice must be given to the Company, and the Company will again be offered the Right of First Refusal before any Shares held by the Holder may be sold or otherwise transferred. 

9.6 Exempt Transfers. Notwithstanding anything to the contrary in this Section, the following transfers of Vested Shares will be exempt from the Right of First Refusal: (i) the transfer of any or all of the Vested Shares during Purchaser's lifetime by gift or on Purchaser's death by will or intestacy to Purchaser's "immediate family" (as defined below) or to a trust for the benefit of Purchaser or Purchaser's immediate family, provided that each transferee or other recipient agrees in a writing satisfactory to the Company that the provisions of this Section will continue to apply to the transferred Vested Shares in the hands of such transferee or other recipient; (ii) any transfer of Vested Shares made pursuant to a statutory merger or statutory consolidation of the Company with or into another corporation or corporations (except that the Right of First Refusal will continue to apply thereafter to such Vested Shares, in which case the surviving corporation of such merger or consolidation shall succeed to the rights of the Company under this Section unless the Agreement of merger or consolidation expressly otherwise provides); or (iii) any transfer of Vested Shares pursuant to the winding up and dissolution of the Company. As used herein, the term "immediate family" will mean Purchaser's spouse, the lineal descendant or antecedent, father, mother, brother or sister, child, adopted child, grandchild or adopted grandchild of the Purchaser or the Purchaser's spouse, or the spouse of any child, adopted child, grandchild or adopted grandchild of Purchaser or the Purchaser's spouse. 

9.7 Termination of Right of First Refusal. The Company's Right of First Refusal will terminate when the Company's securities become publicly traded. 

10. Rights as Stockholder. Subject to the terms and conditions of this Exercise Agreement, Purchaser will have all of the rights of a stockholder of the Company with respect to the Shares from and after the date that Shares are issued to Purchaser until such time as Purchaser disposes of the Shares or the Company and/or its assignee(s) exercise(s) the Repurchase Option or Right of First Refusal. Upon an exercise of the Repurchase Option or Right of First Refusal, Purchaser will have no further rights as a holder of the Shares so purchased upon such exercise, except the right to receive payment for the Shares so purchased in accordance with the provisions of this Exercise Agreement, and Purchaser will promptly surrender the stock certificate(s) evidencing the Shares so purchased to the Company for transfer or cancellation. 

11. Escrow. As security for Purchaser's faithful performance of this Exercise Agreement, Purchaser agrees, immediately upon receipt of the stock certificate(s) evidencing the Shares, to deliver such certificate(s), together with the Stock Powers executed by Purchaser and by Purchaser's spouse, if any (with the date and number of Shares left blank), to the Secretary of the Company or other designee of the Company ("Escrow Holder"), who is hereby appointed to hold such certificate(s) and Stock Powers in escrow and to take all such actions and to effectuate all such transfers and/or releases of such Shares as are in accordance with the terms of this Exercise Agreement. Purchaser and the Company agree that Escrow Holder will not be liable to any party to this Exercise Agreement (or to any other party) for any actions or omissions unless Escrow Holder is grossly negligent or intentionally fraudulent in carrying out the duties of Escrow Holder under this Exercise Agreement. Escrow Holder may rely upon any letter, notice or other document executed by any signature purported to be genuine and may rely on the advice of counsel and obey any order of any court with respect to the transactions contemplated by this Exercise Agreement. The Shares will be released from escrow upon termination of both the Repurchase Option and the Right of First Refusal. 

12. Restrictive Legends and Stop-Transfer Orders. 

12.1 Legends. Purchaser understands and agrees that the Company will place the legends set forth below or similar legends on any stock certificate(s) evidencing the Shares, together with any other legends that may be required by state or U.S. Federal securities laws, the Company's Certificate of Incorporation or Bylaws, any other agreement between Purchaser and the Company or any agreement between Purchaser and any third party: 

THE SECURITIES REPRESENTED HEREBY HAVE NOT BEEN REGISTERED UNDER THE SECURITIES ACT OF 1933, AS AMENDED (THE "SECURITIES ACT"), OR UNDER THE SECURITIES LAWS OF CERTAIN STATES. THESE SECURITIES ARE SUBJECT TO RESTRICTIONS ON TRANSFERABILITY AND RESALE AND MAY NOT BE TRANSFERRED OR RESOLD EXCEPT AS PERMITTED UNDER THE SECURITIES ACT AND APPLICABLE STATE SECURITIES LAWS, PURSUANT TO REGISTRATION OR EXEMPTION THEREFROM. INVESTORS SHOULD BE AWARE THAT THEY MAY BE REQUIRED TO BEAR THE FINANCIAL RISKS OF THIS INVESTMENT FOR AN INDEFINITE PERIOD OF TIME. THE ISSUER OF THESE SECURITIES MAY REQUIRE AN OPINION OF COUNSEL IN FORM AND SUBSTANCE SATISFACTORY TO THE ISSUER TO THE EFFECT THAT ANY PROPOSED TRANSFER OR RESALE IS IN COMPLIANCE WITH THE SECURITIES ACT AND ANY APPLICABLE STATE SECURITIES LAWS. THE SHARES REPRESENTED BY THIS CERTIFICATE ARE SUBJECT TO CERTAIN RESTRICTIONS ON PUBLIC RESALE, TRANSFER, AND RIGHT OF REPURCHASE AND RIGHT OF FIRST REFUSAL OPTIONS HELD BY THE ISSUER AND/OR ITS ASSIGNEE(S) AS SET FORTH IN A STOCK OPTION EXERCISE AGREEMENT BETWEEN THE ISSUER AND THE ORIGINAL HOLDER OF THESE SHARES, A COPY OF WHICH MAY BE OBTAINED AT THE PRINCIPAL OFFICE OF THE ISSUER. SUCH PUBLIC SALE AND TRANSFER RESTRICTIONS AND THE RIGHT OF REPURCHASE AND RIGHT OF FIRST REFUSAL ARE BINDING ON TRANSFEREES OF THESE SHARES. 

The California Commissioner of Corporations may require that the following legend also be placed upon the share certificate(s) evidencing ownership of the Shares: 

IT IS UNLAWFUL TO CONSUMMATE A SALE OR TRANSFER OF THIS SECURITY, OR ANY INTEREST THEREIN, OR TO RECEIVE ANY CONSIDERATION THEREFOR, WITHOUT THE PRIOR WRITTEN CONSENT OF THE COMMISSIONER OF CORPORATIONS OF THE STATE OF CALIFORNIA, EXCEPT AS PERMITTED IN THE COMMISSIONER'S RULES. 

12.2 Stop-Transfer Instructions. Purchaser agrees that, to ensure compliance with the restrictions imposed by this Exercise Agreement, the Company may issue appropriate "stop-transfer" instructions to its transfer agent, if any, and if the Company transfers its own securities, it may make appropriate notations to the same effect in its own records. 

12.3 Refusal to Transfer. The Company will not be required (i) to transfer on its books any Shares that have been sold or otherwise transferred in violation of any of the provisions of this Exercise Agreement or (ii) to treat as owner of such Shares, or to accord the right to vote or pay dividends to any purchaser or other transferee to whom such Shares have been so transferred. 

13. Tax Consequences. PURCHASER UNDERSTANDS THAT PURCHASER MAY SUFFER ADVERSE TAX CONSEQUENCES AS A RESULT OF PURCHASER'S PURCHASE OR DISPOSITION OF THE SHARES. PURCHASER REPRESENTS THAT PURCHASER HAS CONSULTED WITH ANY TAX ADVISER PURCHASER DEEMS ADVISABLE IN CONNECTION WITH THE PURCHASE OR DISPOSITION OF THE SHARES AND THAT PURCHASER IS NOT RELYING ON THE COMPANY FOR ANY TAX ADVICE. IN PARTICULAR, IF UNVESTED SHARES ARE SUBJECT TO REPURCHASE BY THE COMPANY, PURCHASER REPRESENTS THAT PURCHASER HAS CONSULTED WITH PURCHASER'S OWN TAX ADVISER CONCERNING THE ADVISABILITY OF FILING AN 83(b) ELECTION WITH THE INTERNAL REVENUE SERVICE WHICH MUST BE FILED WITHIN THIRTY (30) DAYS OF THE PURCHASE OF SHARES TO BE EFFECTIVE. Set forth below is a brief summary as of the date the Plan was adopted by the Board of some of the U.S. Federal and California tax consequences of exercise of the Option and disposition of the Shares. THIS SUMMARY IS NECESSARILY INCOMPLETE, AND THE TAX LAWS AND REGULATIONS ARE SUBJECT TO CHANGE. PURCHASER SHOULD CONSULT A TAX ADVISER BEFORE EXERCISING THIS OPTION OR DISPOSING OF THE SHARES. 

13.1 Exercise of Incentive Stock Option. If the Option qualifies as an ISO, there will be no regular U.S. Federal income tax liability or California income tax liability upon the exercise of the Option, although the excess, if any, of the Fair Market Value of the Shares on the date of exercise over the Exercise Price will be treated as a tax preference item for U.S. Federal alternative minimum tax purposes and may subject Purchaser to the alternative minimum tax in the year of exercise. 

13.2 Exercise of Nonqualified Stock Option. If the Option does not qualify as an ISO, there may be a regular U.S. Federal income tax liability and a California income tax liability upon the exercise of the Option. Purchaser will be treated as having received compensation income (taxable at ordinary income tax rates) equal to the excess, if any, of the Fair Market Value of the Shares on the date of exercise over the Exercise Price. If Purchaser is or was an employee of the Company, the Company may be required to withhold from Purchaser's compensation or collect from Purchaser and pay to the applicable taxing authorities an amount equal to a percentage of this compensation income at the time of exercise. 

13.3 Disposition of Shares. The following tax consequences may apply upon disposition of the Shares. 

a. Incentive Stock Options. If the Shares are held for more than twelve (12) months after the date of the transfer of the Shares pursuant to the exercise of an ISO and are disposed of more than two (2) years after the Date of Grant, any gain realized on disposition of the Shares will be treated as capital gain for federal and California income tax purposes. The maximum federal capital gain tax rates are twenty eight percent (28%) for Shares held more than twelve (12) months, but not more than eighteen (18) months ("Mid-Term Capital Gain"), and twenty percent (20%) for Shares held for more than eighteen (18) months ("Long-Term Capital Gain"). If Shares purchased under an ISO are disposed of within the applicable one (1) year or two (2) year period, any gain realized on such disposition will be treated as compensation income (taxable at ordinary income rates) to the extent of the excess, if any, of the Fair Market Value of the Shares on the date of exercise over the Exercise Price. 

b. Nonqualified Stock Options. If the Shares are held for more than twelve (12) months after the date of the transfer of the Shares pursuant to the exercise of an NQSO, any gain realized on disposition of the Shares will be treated as Mid-Term Capital Gain or Long-Term Capital Gain, as the case may be. 

c. Withholding. The Company may be required to withhold from the Participant and pay to the applicable taxing authorities an amount equal to a percentage of this compensation income. 

13.4 Section 83(b) Election for Unvested Shares. With respect to Unvested Shares, which are subject to the Repurchase Option, unless an election is filed by the Purchaser with the Internal Revenue Service (and, if necessary, the proper state taxing authorities), within 30 days of the purchase of the Unvested Shares, electing pursuant to Section 83(b) of the Code (and similar state tax provisions, if applicable) to be taxed currently on any difference between the Exercise Price of the Unvested Shares and their Fair Market Value on the date of purchase, there may be a recognition of taxable income (including, where applicable, alternative minimum taxable income) to the Purchaser, measured by the excess, if any, of the Fair Market Value of the Unvested Shares at the time they cease to be Unvested Shares, over the Exercise Price of the Unvested Shares. A form of Election under Section 83(b) is attached hereto as Exhibit 5 for reference. 

14. Compliance with Laws and Regulations. The issuance and transfer of the Shares will be subject to and conditioned upon compliance by the Company and Purchaser with all applicable state and U.S. Federal laws and regulations and with all applicable requirements of any stock exchange or automated quotation system on which the Company's Common Stock may be listed or quoted at the time of such issuance or transfer. 

15. Successors and Assigns. The Company may assign any of its rights under this Exercise Agreement, including its rights to repurchase Shares under the Repurchase Option and the Right of First Refusal. This Exercise Agreement shall be binding upon and inure to the benefit of the successors and assigns of the Company. Subject to the restrictions on transfer herein set forth, this Exercise Agreement will be binding upon Purchaser and Purchaser's heirs, executors, administrators, legal representatives, successors and assigns. 

16. Governing Law; Severability. This Exercise Agreement shall be governed by and construed in accordance with the internal laws of the State of California as such laws are applied to agreements between California residents entered into and to be performed entirely within California. If any provision of this Exercise Agreement is determined by a court of law to be illegal or unenforceable, then such provision will be enforced to the maximum extent possible and the other provisions will remain fully effective and enforceable. 

17. Notices. Any notice required to be given or delivered to the Company shall be in writing and addressed to the Corporate Secretary of the Company at its principal corporate offices. Any notice required to be given or delivered to Purchaser shall be in writing and addressed to Purchaser at the address indicated above or to such other address as Purchaser may designate in writing from time to time to the Company. All notices shall be deemed effectively given upon personal delivery, three (3) days after deposit in the United States mail by certified or registered mail (return receipt requested), one (1) business day after its deposit with any return receipt express courier (prepaid), or one (1) business day after transmission by rapifax or telecopier. 

18. Further Instruments. The parties agree to execute such further instruments and to take such further action as may be reasonably necessary to carry out the purposes and intent of this Exercise Agreement. 

19. Headings. The captions and headings of this Exercise Agreement are included for ease of reference only and will be disregarded in interpreting or construing this Exercise Agreement. All references herein to Sections will refer to Sections of this Exercise Agreement. 

20. Entire Agreement. The Plan, the Stock Option Agreement and this Exercise Agreement, together with all its Exhibits, constitute the entire agreement and understanding of the parties with respect to the subject matter of this Exercise Agreement, and supersede all prior understandings and agreements, whether oral or written, between the parties hereto with respect to the specific subject matter hereof. 

IN WITNESS WHEREOF, the Company has caused this Stock Option Exercise Agreement to be executed in duplicate by its duly authorized representative and Purchaser has executed this Stock Option Exercise Agreement in duplicate as of the Effective Date. 

GAS AND OIL TECHNOLOGIES, INC. PURCHASER 

By: 

(Signature) 

(Please print Name) ------------------------- 

(Please print name) 

(Please print title) 

[Signature Page to Gas and Oil Technologies, Inc. Stock Option Exercise Agreement]

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