UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
FORM
CURRENT REPORT
Pursuant to Section 13 or 15(d)
of the Securities Exchange Act of 1934
Date of Report (Date of earliest event reported) March 10, 2025 (
(Exact name of registrant as specified in its charter)
| (State or other jurisdiction of incorporation) |
(Commission File Number) |
(IRS Employer Identification No.) |
(Address of principal executive offices) (Zip code)
Registrant’s telephone number, including area code:
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 | ||
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 8.01 | Other Events. |
MPLX LP (the “Issuer”) is filing herewith the following exhibits to its Registration Statement on Form S-3 (Registration No. 333-271922):
| 1. | Underwriting Agreement, dated as of March 3, 2025, by and among the Issuer, MPLX GP LLC, the general partner of the Issuer, and each of BofA Securities, Inc., Barclays Capital Inc. and J.P. Morgan Securities LLC, acting as representatives of the several underwriters named therein; |
| 2. | Thirtieth Supplemental Indenture, dated as of March 10, 2025, by and between the Issuer and The Bank of New York Mellon Trust Company, N.A., as Trustee (including Form of Note); |
| 3. | Thirty-First Supplemental Indenture, dated as of March 10, 2025, by and between the Issuer and The Bank of New York Mellon Trust Company, N.A., as Trustee (including Form of Note); and |
| 4. | Opinion of Jones Day. |
| Item 9.01 | Financial Statements and Exhibits. |
(d) Exhibits.
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.
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MPLX LP | |||||
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By: | MPLX GP LLC, its General Partner | ||||
| Date: March 10, 2025 | By: | /s/ Molly R. Benson | ||||
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Name: | Molly R. Benson | ||||
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Title: | Chief Legal Officer and Corporate Secretary | ||||