MPC: Financial results

Item 2.02 Results of Operations and Financial Condition On November 3, 2026, Marathon Petroleum Corporation issued a press release announcing its financial results for the quarter ended September 30, 2026. The press release is furnished as Exhibit 99.1 to this Current Report on Form 8-K and is incorporated herein by reference. Information in this Item 2.02 and Exhibit 99.1 of Item 9.01 below shall not be deemed “filed” for the purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), or otherwise incorporated by reference into any filing pursuant to the Securities Act of 1933, as amended, or the Exchange Act except as otherwise expressly stated in such a filing. Item 9.01 Financial Statements and Exhibits (d) Exhibits. Exhibit Number Description 99.1 Press Release issued by Marathon Petroleum Corporation on November 3, 2026 104 Cover Page Interactive Data File (embedded within the Inline XBRL document) SIGNATURES Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized. Marathon Petroleum Corporation Date: November 3, 2026 By: /s/ Maria A. Khoury Name: Maria A. Khoury Title: Executive Vice President and Chief Financial Officer