Marathon Petroleum Corporation appointed Erin M. Brzezinski as Controller. In this capacity, Ms. Brzezinski will be the Company?s principal accounting officer. Ms. Brzezinski is succeeding C. Kristopher Hagedorn, who ceased to serve as Senior Vice President and Controller of the Company effective January 8, 2024.

As previously disclosed, Mr. Hagedorn was appointed Executive Vice President and Chief Financial Officer of MPLX GP LLC, the general partner of MPLX LP and an indirect, wholly owned subsidiary of the Company, effective January 1, 2024. Ms. Brzezinski, 41, has served as Assistant Controller, Technical Accounting, since August 2021, having previously served as Manager, Accounting, of MPLX GP LLC since May 2019. Prior to joining MPC, Ms. Brzezinski was Director, Assurance and Audit Services, at PricewaterhouseCoopers LLP, a professional services and accounting firm, beginning in 2018, and Senior Manager beginning in 2013.

She was Manager, Technical Accounting, at Cooper Tire & Rubber Company, an automotive tire manufacturer, from 2011 to 2013. Previously, Ms. Brzezinski served in positions of increasing responsibility with PricewaterhouseCoopers LLP beginning in 2004.