2023 Marathon Petroleum Annual Cash Bonus Program

This document applies to Awards made under the Marathon Petroleum Annual Cash Bonus Program (Program) for the 2023 Performance Period. The Program’s purpose is to incentivize and reward Eligible Employees for executing on the strategy of Marathon Petroleum Corporation. The Program operates under the Marathon Petroleum Corporation 2021 Incentive Compensation Plan (Plan), the terms of which are incorporated into this document by reference, and all Awards under the Program are otherwise subject to the Plan’s terms.

As used in the Program, the following terms have the meanings set forth below. Capitalized terms not specifically defined in this document have the meanings specified in the Plan. In the event of any conflict between the Program and the Plan, the terms of the Plan shall control.

Award means an Eligible Employee’s cash amount determined pursuant to the Program’s applicable terms, conditions and limitations. An Award constitutes an “Award”, specifically a “Performance Cash” type of “Performance Award” as defined under the Plan.

Change in Control has the meaning as defined under the Plan; provided, that to the extent an Award provides for the payment of deferred compensation within the meaning of Section 409A of the Code, the events constituting a Change in Control shall have the meaning and are intended to be events constituting a change in ownership or a change in effective control for purposes of Section 409A of the Code.

Committee means the Compensation & Organization Development Committee, designated by the Board with the authority to administer the Program.

Company means Marathon Petroleum Corporation, as defined in the Plan, and, where the context so requires, each Company Subsidiary whose Employees are Eligible Employees under the Program.

Company Funding means the Program funding level for the Performance Period as determined under section III (Award Determination).

Eligible Employee means an Employee who meets the Program’s eligibility requirements as set forth in section II (Eligibility & Participation). Being an Eligible Employee does not guarantee an Award.

Eligible Wages means wages as determined under section III (Award Determination).

Employee Performance means an individual performance adjustment as determined under section III (Award Determination).

Performance Criteria means the threshold, target, and maximum desired result for each Performance Metric as established by the Committee.

Performance Metric Weight means the percentage weighting applied to each Performance Metric as established by the Committee. The sum of the Performance Metric Weights for all Performance Metrics shall equal 100%.

Performance Metrics means the metrics established by the Committee upon which the Program will be assessed at the end of the Performance Period.

Performance Period means January 1, 2023, through December 31, 2023.

Resulting Achievement means the level of achievement for a Performance Metric for the Performance Period as determined under section III (Award Determination).

Salary Grade means a compensation classification level for an Employee under the policies and practices of the Company or Subsidiary for whom the Employee performs services.

Senior Leader means an Employee who is assigned a salary grade of 88 or 89 within the Company salary structure.

Target Award means the percentage assigned to an Eligible Employee as determined under section III (Award Determination).

The following Company Employees are Eligible Employees in the Program:

•Regular full-time or regular part-time Employees, who are assigned to a Salary Grade within the Company salary structure on the last day of the Performance Period.

•Employees who are paid on an “hourly” schedule as of the last day of the Performance Period, including:

An Eligible Employee whose employment terminates during the Performance Period shall remain an Eligible Employee in the Program if such termination is not performance-related (as determined by the Company in its sole discretion) and is on account of:

•retirement, which for this purpose means the Employee was at least age 50 with at least ten years of accredited service on their termination date;

•death; or

•a termination of employment that caused the Employee to become eligible for termination allowance under the Marathon Petroleum Termination Allowance Plan.

Notwithstanding the preceding provisions, unless otherwise determined by the Committee prior to the occurrence of a Change in Control, and except as otherwise may be provided in an Eligible Employee’s written agreement with the Company or Subsidiary, upon the occurrence of a Change in Control during the Performance Period, eligibility shall be determined on the date immediately preceding the occurrence of the Change in Control, rather than on the last day of the Performance Period.

In no event shall any of the following types of Employees be considered Eligible Employees:

•Any Employee who terminates employment with the Company or any Subsidiary during the Performance Period for any reason other than those Employees who are an Eligible Employee on account of retirement, death or eligibility for benefits under the Marathon Petroleum Termination Allowance Plan as provided above; unless otherwise determined by the Committee and except as may otherwise be provided in an Eligible Employee’s written agreement with the Company or Subsidiary, which may include a collective bargaining

agreement or other collectively-bargained agreement (e.g., a memorandum of understanding, a letter agreement, an agreement resulting from effects bargaining).

•Temporary or intermittent Employees who are classified by the Company or a Subsidiary as casual, intern, co-op, summer helper, or summer laborer.

•Any Employee who is eligible for any other broadly-offered annual incentive compensation program of the Company or any Subsidiary, including, unless otherwise determined by the Company, any annual incentive compensation program applicable to a group of Employees who commenced employment with the Company on account of a merger or other acquisition type transaction.

•Independent contractors or employees of third parties providing services to the Company or any Subsidiary or affiliate of the Company, and consultants.

An Eligible Employee’s Award shall be determined using the following formula:

•Eligible Wages for a non-Senior Leader Employee means the following compensation items paid to the Employee during the Performance Period, determined before (A) deductions for taxes or benefits, and (B) deferrals of compensation pursuant to any Company or Subsidiary-sponsored plan.

•For clarity, Eligible Wages for a non-Senior Leader Employee does not include non-cash compensation, equity-based compensation, allowances (including tax allowances), reimbursements, premiums relative to relocation, payments for unused vacation, any bonus or recognition payments made, or wages paid or processed by a third party except from third parties specifically contracted to pay Eligible Employees employed outside of the United States.

•Eligible Wages for an Employee designated as a Senior Leader means their annualized base salary in effect on the last day of the Performance Period; provided that, Eligible Wages for an Employee designated as a Senior Leader who is hired or termed during the Performance Period shall be determined as defined for non-Senior Leaders.

•Notwithstanding the preceding provisions, upon the occurrence of a Change in Control during the Performance Period, Eligible Wages for an Employee (including both Senior Leader Employees and non-Senior Leader Employees) shall be the actual wages paid to that Employee during the Performance Period to the date of the Change in Control.

•An Eligible Employee’s Target Award is determined as follows according to the Eligible Employee’s Salary Grade or employment classification as of the last day of the Performance Period:

•Notwithstanding the preceding provisions, in the event of a Change in Control occurring during the Performance Period, an Eligible Employee’s Target Award shall be determined according to the Eligible Employees Salary Grade or employment classification as of the date immediately preceding the occurrence of the Change in Control.

•The Committee or its delegate may provide a Target Award for an Eligible Employee that is different from the Target Award shown in the table above.

•The Committee has established the following Performance Metrics and their respective Performance Metric Weights for the Performance Period.

•Upon completion of the Performance Period, the Committee shall assess the Resulting Achievement for each Performance Metric as compared to the Performance Criteria and shall determine Company Funding. In making this determination:

•Notwithstanding the preceding provisions: (a) in the event a Change in Control occurs during the Performance Period, Company Funding shall be 100%; and (b) in the event a Change in Control occurs after the Performance Period but before distribution of Awards for that Performance Period, Company Funding shall be the greater of 100% or the amount otherwise determined by the Committee in its normal course determination of Company Funding for that Performance Period.

The Committee or its delegate may adjust an Eligible Employee’s Award for Employee Performance as follows:

•An Award for an Eligible Employee who is a Senior Leader (excluding the CEO) may have a positive or negative Employee Performance adjustment of 0% to 15%.

•An Award for an Eligible Employee who is a regular full-time or regular part-time Employee and who is assigned to a Salary Grade within the Company salary structure, may have a positive or negative Employee Performance adjustment that reduces the Award to $0 or increases the Award up to 200% of the product of the Eligible Employee’s Eligible Wages and the Target Award. (Where so delegated, this adjustment determination will be made by the Eligible Employee’s leadership.)

•For certain represented hourly Eligible Employees, an Employee Performance adjustment may be applied pursuant to the terms set forth in the applicable collective bargaining agreement or other collectively-bargained agreement (referred to as the personal productivity multiplier and/or disciplinary reduction factor).

•No Employee Performance adjustment may be made for any other Eligible Employee.

•Notwithstanding the preceding provisions, in the event of a Change in Control, an Award for an Eligible Employee shall not have a negative Employee Performance adjustment applied.

•Awards shall be determined following the close of the Performance Period.

•An Eligible Employee’s Award cannot exceed 200% of the product of the Eligible Employee’s Eligible Wages and Target Award.

•Awards shall be distributed – i.e., paid – in cash, in the denomination of the Eligible Employee’s local currency.

•Awards shall be paid in 2024.

•Notwithstanding the preceding provision, in the event a Change in Control occurs during the Performance Period, each Eligible Employee’s Award shall be paid as soon as administratively practicable following the date the Change in Control occurred, but in no event later than 45 days from such date. The timing of the payment within this 45-day period shall be determined solely by the Committee and without regard to any tax implications to an Eligible Employee.

•There shall be deducted from all Awards, any taxes or other deductions required to be withheld or collected by United States federal, state, and local governments and taxing authorities, and by other national, provincial, or local governments and paid over to such governments and taxing authorities for the account of each Eligible Employee. The tax withholding provisions of the Plan apply.

•Subject to applicable state withholding laws, the Company or any Subsidiary may also deduct from any Award, at its sole discretion, any and all amounts determined by Company management to be owed to the Company or any Subsidiary by the Eligible Employee.

•If applicable, court ordered garnishments or tax levies may be withheld from an Eligible Employee’s Award.

•The Program is the successor Program to the Success Through People (STP) Program. The terms and the conditions of the STP Program are now included under this Program.

•The Program shall be administered by the Committee. The Program is a discretionary bonus program, and the Committee has the complete and sole authority and discretion to:

•The Committee has the complete and sole discretion to change, terminate, or modify Awards, or otherwise amend any aspect of the Program (including, but not limited to the termination of all or a portion of the Program) prospectively or retroactively.

•Except as may be provided for under the Change in Control provisions of the Program, no Eligible Employee, Employee, or other person shall have any claim or right to be granted an Award under the Program.

•Nothing contained in the Program shall limit the ability of the Company to make payments or Awards to Employees under any other program, agreement, or arrangement.

•Neither the establishment of the Program, nor any action taken pursuant to the Program, shall be construed as giving any Eligible Employee or Employee any right to be retained in the employ of the Company or any Subsidiary, or participate in the Program in the current or succeeding Performance Periods.

•Any rights and benefits of an Eligible Employee under the Program are personal to the Eligible Employee and, except for any payments that may be made following an Eligible Employee’s death, shall not be subject to any voluntary or involuntary alienation, assignment, pledge, transfer, encumbrance, attachment, garnishment, or other disposition.

•Except as may be required by law or otherwise be specifically stated under any employee benefit plan, policy or program of the Company or a Subsidiary, no amount payable in respect of any Award shall be treated as compensation for purposes of calculating an Eligible Employee’s right under any such plan, policy, or program; nor shall any Award be treated as compensation for purposes of termination indemnities or other similar rights, except as may be required by law.

•Nothing in this Program document shall be construed (a) to limit, impair, or otherwise affect the Company’s or any Subsidiary’s right or power to make adjustments, reclassifications, reorganizations, or changes of its capital or business structure, or to merge or consolidate, or dissolve, liquidate, sell, or transfer all or any part of its business or assets, or (b) to limit the right or power of the Company or any of its Subsidiaries to take any action which such entity deems to be necessary or appropriate.

•In all events, whether any Award is made to an Eligible Employee will depend on the decision of the Committee. All Awards are subject to the sole discretion of the Committee, and nothing in this document or any other document (except as may be provided for in the Program’s Change in Control provisions) describing or referring to the Program shall confer any right whatsoever on any person to be considered for any Award.

•This Program document may be changed or discontinued at any time without notice or liability at the sole discretion of the Committee.

•Awards made under the Program shall be subject to and governed by the specific terms and conditions of the Plan, Program and the applicable Award.

•The Program shall not require the Company to segregate any monies from its general fund or to create any trusts, or to make any special deposits for any amount payable to any Eligible Employee.

•The Program is intended to provide compensation that is exempt from, or that complies with Section 409A of the Code, and ambiguous provisions of the Program and resulting Awards, if any, shall be construed in a manner that would cause Awards and the Program’s terms to be compliant with or exempt from the application of Section 409A of the Code, as appropriate. If any payment, or portion thereof, must be delayed in order to comply with Section 409A of the Code because an Eligible Employee is a “specified employee” as defined in Section 409A(a)(2)(B)(i) of the Code, the payment, or the portion so delayed, shall be made on the soonest date permissible without triggering the additional tax due under Section 409A of the Code. As used in the Program, “termination of employment” and similar terms shall mean a “separation from service” within the meaning of Section 409A of the Code to the extent an Award or a provision of the Program provides for the payment of deferred compensation within the meaning of Section 409A of the Code. Additionally, notwithstanding anything to the contrary in the Program or an Award, it will not be a violation of the Program or Award or Plan (and an Eligible Employee will not have any right to damages or other relief) if the Company or any Subsidiary distributes an Eligible Employee’s Award during the period permitted by Section 409A of the Code.

•No member of the Committee, or employee of the Company or a Subsidiary, shall be liable for any act done, or determination made in good faith, with respect to the administration of the Program, including any Award made pursuant to the Program and the Plan. The Company indemnifies and holds harmless to the fullest extent allowed by law such persons individually and collectively, from and against any and all losses resulting from liability to which the Committee, or the members of such body, or employees of the Company or any Subsidiary may be subjected by reason of any act or conduct (except willful misconduct, fraud or gross negligence) in their official capacities in the administration of the Program, including all expenses reasonably incurred in their defense, in case the Company fails to provide such defense.

•Any provision of the Program prohibited by law shall be ineffective to the extent of such prohibition without invalidating the remaining provisions.

•The terms of the Program document supersede any written or verbal agreements, representations, proposals, or plans with respect to the subject matter hereof; provided, however, that the forgoing shall not act to supersede an existing written agreement between an Eligible Employee and the Company that has been approved by the Committee.

•Eligible Employees who are officers of the Company (as assigned through the Nominating and Governance Committee of the Board) are subject to the Program’s recoupment provisions, in the case of certain forfeiture events. If the Company is required, pursuant to a determination made by the United States Securities and Exchange Commission or the Audit Committee of the Board, to prepare a material accounting restatement due to the

noncompliance of the Company with any financial reporting requirement under applicable securities laws as a result of misconduct, the Audit Committee of the Board may determine that a forfeiture event has occurred based on an assessment of whether an officer knowingly engaged in misconduct, was grossly negligent with respect to misconduct, knowingly failed or was grossly negligent in failing to prevent misconduct or engaged in fraud, embezzlement, or other similar misconduct materially detrimental to the Company.