MPLX (MPLX) shares Q4 and full-year 2025 financial results in press release

Rhea-AI Filing Summary

MPLX LP furnished an update on its recent performance by issuing a press release with financial results for the quarter and year ended December 31, 2025. The partnership attached this press release as an exhibit to the current report, making the details available to investors through that document.

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) February 3, 2026

 _____________________________________________

MPLX LP

(Exact name of registrant as specified in its charter)

_____________________________________________

Delaware

001-35714

27-0005456

(State or other jurisdiction of incorporation)

(Commission File Number)

(IRS Employer Identification No.)

200 E. Hardin 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 Units Representing Limited Partnership Interests			MPLX			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 February 3, 2026, MPLX LP issued a press release announcing its financial results for the quarter and year ended December 31, 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 MPLX LP on February 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.

			MPLX LP
			By:						MPLX GP LLC, its General Partner
Date: February 3, 2026			By:						/s/ C. Kristopher Hagedorn
									Name: C. Kristopher Hagedorn
									Title: Executive Vice President and Chief Financial Officer

FAQ

What did MPLX (MPLX) disclose in this 8-K filing?

MPLX disclosed that it issued a press release reporting financial results for the quarter and year ended December 31, 2025. The press release is attached as an exhibit, giving investors access to detailed performance information for that period.

Which period do the MPLX (MPLX) financial results in the press release cover?

The MPLX press release covers financial results for both the quarter and the full year ended December 31, 2025. This allows investors to review the partnership’s short-term quarterly performance alongside its overall annual results.

How are MPLX (MPLX) 2025 results made available to investors?

MPLX made its 2025 quarterly and annual results available through a press release furnished as Exhibit 99.1 to the current report. Investors can review that exhibit to see the detailed financial figures and accompanying commentary.

Is the MPLX (MPLX) earnings press release considered filed with the SEC?

The current report states that the information in Item 2.02 and Exhibit 99.1 is furnished and not deemed filed under Section 18 of the Exchange Act. This affects how the information is treated for certain legal and liability purposes.

Who signed the MPLX (MPLX) 8-K related to the 2025 results press release?

The report was signed on behalf of MPLX by MPLX GP LLC, its general partner, through C. Kristopher Hagedorn. He is identified as the Executive Vice President and Chief Financial Officer for the partnership.