MPC furnishes Q3 2025 results via 8-K Exhibit 99.1

Rhea-AI Filing Summary

Marathon Petroleum (MPC) furnished an 8‑K announcing its financial results for the quarter ended September 30, 2025. The company issued a press release, provided as Exhibit 99.1, and designated the disclosure under Item 2.02 as furnished rather than filed under the Exchange Act.

8-K Event Classification

2 items: 2.02, 9.01

2 items

Item 2.02 Results of Operations and Financial Condition Financial

Disclosure of earnings results, typically an earnings press release or preliminary financials.

Item 9.01 Financial Statements and Exhibits Exhibits

Financial statements, pro forma financial information, and exhibit attachments filed with this report.

Understanding 8-K Material Events →

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UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

_____________________________________________

FORM 8-K

_____________________________________________

CURRENT REPORT

Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934

Date of Report (Date of earliest event reported) November 4, 2025

_____________________________________________

Marathon Petroleum Corporation

(Exact name of registrant as specified in its charter)

_____________________________________________

Delaware

001-35054

27-1284632

(State or other jurisdiction of incorporation)

(Commission File Number)

(IRS Employer Identification No.)

539 South Main Street, Findlay, Ohio 45840

(Address of principal executive offices) (Zip code)

Registrant’s telephone number, including area code: (419) 422-2121

_____________________________________________

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions: 

☐			Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)
☐			Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)
☐			Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))
☐			Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act:
Title of each class			Trading symbol(s)			Name of each exchange on which registered
Common Stock, par value $.01			MPC			New York Stock Exchange

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).

Emerging growth company ☐

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act.

☐

Item 2.02 Results of Operations and Financial Condition

On November 4, 2025, Marathon Petroleum Corporation issued a press release announcing its financial results for the quarter ended September 30, 2025. 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 4, 2025
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 4, 2025			By:						/s/ John J. Quaid
									Name: John J. Quaid
									Title: Executive Vice President and Chief Financial Officer

FAQ

What did MPC announce in this 8-K?

MPC announced its financial results for the quarter ended September 30, 2025 and furnished a related press release as Exhibit 99.1.

Which 8-K item covers MPC's disclosure?

The disclosure is under Item 2.02 (Results of Operations and Financial Condition).

Is the information considered filed or furnished?

The information in Item 2.02 and Exhibit 99.1 is furnished, not deemed filed under Section 18 of the Exchange Act.

What period does the press release cover for MPC (MPC)?

It covers the fiscal quarter ended September 30, 2025.

Where can investors find the detailed results?

Details are in the press release furnished as Exhibit 99.1 to the 8‑K.

What exhibits are included with MPC’s 8-K?

The filing lists Exhibit 99.1 (press release) and Exhibit 104 (cover page Inline XBRL).