FORM OF NON-QUALIFIED STOCK OPTION PLAN - CEO



 EXHIBIT 10.15 
 MARATHON OIL CORPORATION 
 2003 INCENTIVE COMPENSATION PLAN 
 NONQUALIFIED STOCK OPTION WITH TANDEM STOCK 
 APPRECIATION RIGHT AWARD AGREEMENT 
 Marathon Chief Executive Officer 

Pursuant to this Award Agreement, MARATHON OIL CORPORATION (the “Corporation”) hereby grants to [NAME] (the “Grantee”),
an employee of the Corporation or an Affiliate, on May 28, 2003 (the “Grant Date”), a Non-qualified Stock Option with a tandem Stock Appreciation Right (“SAR”) for [NUMBER] shares of Common Stock (the
“Award”) at an exercise price of $[PRICE] per share (the “Grant Price”), pursuant to the Marathon Oil Corporation 2003 Incentive Compensation Plan (the “Plan”), with such number of shares and such price per share
being subject to adjustment as provided in Section 17 of the Plan, and further subject to the following terms and conditions: 
 1.     Relationship to the Plan; Definitions. 
 This Award is subject to all of the terms, conditions
and provisions of the Plan and administrative interpretations thereunder, if any, that have been adopted by the Committee. Except as defined herein, capitalized terms shall have the same meanings ascribed to them under the Plan. To the extent that
any provision of this Award Agreement conflicts with the express terms of the Plan, the terms of the Plan shall control and, if necessary, the applicable provisions of this Award Agreement shall be hereby deemed amended so as to carry out the
purpose and intent of the Plan. References to the Grantee also include the heirs or other legal representatives of the Grantee. For purposes of this Award Agreement: 
 “Award Period” means the period commencing upon the Grantee’s receipt of this Award Agreement and ending on the
date on which the Award expires pursuant to Section 3(a). 
 “Award Shares” means the shares of
Common Stock covered by this Award Agreement. 
 “Cause” means termination from Employment by the
Corporation or its Affiliates due to unacceptable performance, gross misconduct, gross negligence, material dishonesty, material acts detrimental or destructive to the Corporation or its Affiliates, employees or property, or any material violation
of the policies of the Corporation or its Affiliates. 
 “Change in Control Plan” means any plan,
program, agreement, or arrangement pursuant to which the Corporation or an Affiliate agrees to provide benefits to the Grantee in the event he or she is terminated following a Change in Control. 
 “Employment” means employment with the Corporation or any of its Affiliates. For purposes of this Award, Employment
shall also include any period of time during which the Grantee is on Disability status. 
 2.     Exercise and
Vesting Schedule. 
 (a)     This Award shall become exercisable in three cumulative annual installments, as
follows: 
 (i) [####] of the Award Shares shall become exercisable on May 28, 2004; 
  

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 (ii) an additional [####] of the Award Shares shall become exercisable on
May 28, 2005; and 
 (iii) the remaining [####] Award Shares shall become exercisable on May 28, 2006;

 provided, however, that the Grantee must be in continuous Employment from the Grant Date through the date of exercisability of each installment in
order for the Award to become exercisable with respect to additional shares of Common Stock on such date. If the Employment of the Grantee is terminated for any reason other than death or Retirement, any Award Shares that are not exercisable as of
the date of such termination of Employment shall be forfeited to the Corporation. 
 (b)     If the Employment of the
Grantee is terminated due to Retirement, the Award shall continue to become exercisable in accordance with the schedule set forth in subparagraph (a) above, irrespective of the Grantee’s Retirement or subsequent death. 
 (c)     This Award shall become fully exercisable, irrespective of the limitations set forth in subparagraph (a) above, upon:

 (i) termination of the Grantee’s Employment due to death; or 
 (ii) a Change in Control of the Corporation, provided that as of such Change in Control the Grantee had been in continuous Employment
since the Grant Date. 
 3.     Expiration of Award. 
 (a)     Expiration of Award Period. The Award Period shall expire on May 28, 2013. 
 (b)     Termination of Employment Due to Retirement. If Employment of the Grantee is terminated due to Retirement, the
Award shall expire upon the earlier of (i) nine years following the date of termination of Employment or (ii) expiration of the Award Period. If the Grantee dies following Retirement but prior to the expiration of the Award, the Award
shall expire upon the earliest of (i) three years following the death of the Grantee, (ii) nine years following the Retirement of the Grantee, or (iii) expiration of the Award Period. 
 (c)     Termination of Employment Due to Death. If Employment of the Grantee is terminated due to death, the Award shall
expire upon the earlier of (i) three years following the date of termination of Employment or (ii) expiration of the Award Period. 
 (d)     Termination of Employment by the Corporation for Cause or Due to Resignation. If Employment of the Grantee is terminated by the Corporation or any of its Affiliates for Cause or due to voluntary
resignation by the Grantee, the Award shall expire upon the termination of Employment. 
 (e)     Termination of
Employment by the Corporation Other Than For Cause. If Employment of the Grantee is terminated by the Corporation or any of its Affiliates for any reason other than Cause, the Award shall expire upon the earlier of (i) 90 days following the
date of termination of Employment or (ii) expiration of the Award Period. 
 (f)     Change in Control.
Notwithstanding anything herein to the contrary, in the event of a Change in Control, the Award shall remain exercisable throughout the Award Period, provided that as of such Change in Control the Grantee had been in continuous Employment since the
Grant Date. 
  

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 4.     Employment with a Competitor. Notwithstanding anything herein to the
contrary, in the event the Committee, the Chief Executive Officer, or an authorized officer determines that the Grantee has accepted or intends to accept employment with a competitor of any business unit of the Corporation, the Committee, the Chief
Executive Officer, or the authorized officer may cancel the Award by written notice to the Grantee. 
 5.
    Exercise of Award. Subject to the limitations set forth herein and in the Plan, this Award may be exercised in whole or in part by providing notice to the Committee or its designated representative of (i) whether the
Grantee intends to exercise the Non-qualified Stock Option or the SAR and (ii) the number of Award Shares to be exercised. 
 (a)     Exercise of Non-qualified Stock Option. If the Award is exercised as a Non-qualified Stock Option, payment of the Grant Price for the exercised Award Shares shall, at the election of the Grantee, be made
in cash, shares of Common Stock, or any combination thereof. For purposes of determining the amount of the purchase price satisfied by payment in Common Stock, such Common Stock shall be valued at its Fair Market Value on the date of exercise. Upon
receipt of the purchase price, the Corporation or its designated representative shall issue or cause to be issued to the Grantee a number of shares of Common Stock equal to the number of Award Shares then exercised. 
 (b)     Exercise of SAR. Upon receipt of notice to exercise a SAR, the Committee or its designated representative shall
deliver or cause to be delivered to the Grantee a payment (“Payment Amount”) equal to the excess of (i) the Fair Market Value of the number of exercised Award Shares as of the date of exercise over (ii) the product of the number
of exercised Award Shares and the Grant Price. Such payment shall be made in cash or shares of Common Stock at the election of the Grantee. If payment is made in shares of Common Stock, such Common Stock shall be valued at its Fair Market Value on
the date of exercise, and the Corporation or its designated representative shall issue or cause to be issued to the Grantee a number of shares of Common Stock equal to the Payment Amount divided by such Fair Market Value. 
 (c)     Tandem Nature of Award. To the extent the Award is exercised as a Non-qualified Stock Option, the related SAR shall
be deemed to have been exercised. To the extent the Award is exercised as a SAR, the related Non-qualified Stock Option shall be deemed to have been exercised. 
 6.     Taxes. The Corporation or its designated representative shall have the right to withhold applicable taxes from the cash or shares of Common Stock otherwise payable to the Grantee
upon exercise of the Award or from compensation otherwise payable to the Grantee at the time of exercise pursuant to Section 14 of the Plan. 
 7.     Shareholder Rights. The Grantee shall have no rights of a shareholder with respect to the Award Shares unless and until such time as the Award has been exercised and, if
applicable, shares of Common Stock have been issued to the Grantee in conjunction with the exercise of the Award. 
 8.
    Nonassignability. During the Grantee’s lifetime, the Award may be exercised only by the Grantee or by the Grantee’s guardian or legal representative. Upon the Grantee’s death, the Award may be transferred
by will or by the laws governing the descent and distribution of the Grantee’s estate. Otherwise, the Grantee may not sell, transfer, assign, pledge or otherwise encumber any portion of the Award, and any attempt to sell, transfer, assign,
pledge, or encumber any portion of the Award shall have no effect. 
 9.     No Employment Guaranteed. Nothing
in this Award Agreement shall give the Grantee any rights to (or impose any obligations for) continued Employment by the Corporation or any Affiliate thereof or successor thereto, nor

  

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shall it give such entities any rights (or impose any obligations) with respect to continued performance of duties by the Grantee. 
 10.     Modification of Agreement. Any modification of this Award Agreement shall be binding only if evidenced in writing
and signed by an authorized representative of the Corporation, provided that no modification may, without the consent of the Grantee, adversely affect the rights of the Grantee hereunder. 
  

			
	 Marathon Oil Corporation

		
	By    	 	/s/ Eileen M. Campbell
		 	Authorized Officer


  

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