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Communications from Interested Parties

Interested parties, including security holders, may send communications to the board through the secretary of the company.

You may communicate with the chairs of our Audit, Compensation, and Corporate Governance and Nominating Committees by sending an email to auditchair@marathonpetroleum.com, compchair@marathonpetroleum.com, or corpgovchair@marathonpetroleum.com, respectively. You may communicate with our independent directors, individually or as a group, by sending an email to non-managedirectors@marathonpetroleum.com.

The secretary will forward to the directors all communications that, in his or her judgment, are appropriate for consideration by the directors. Examples of communications that would not be considered appropriate for consideration by the directors include commercial solicitations and matters not relevant to the affairs of the company.