Common Units Representing Limited Partnership Interests
- Symbol
- MPLX
- Exchange
- NYSE
- Classification
- UNIT
- Status
- Current
Current Report · Items 8.01, 9.01 · 8-K
MPLX LP
MPLXNYSEEQUITYCurrent
Other Events
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): Underwriting Agreement, dated as of February 5, 2026, by and among the Issuer, MPLX GP LLC, the general partner of the Issuer, and each of Citigroup Global Markets Inc., Barclays Capital Inc., MUFG Securities Americas Inc., and RBC Capita…
Company context
Current securities
Historical securities (1)
Registered securities in this filing
MPLX LP · 8-K · Filed 2026-02-12
Disclosure sections
Item 8.01Item 8.01 - Other Events
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):
Underwriting Agreement, dated as of February 5, 2026, by and among the Issuer, MPLX GP LLC, the general partner of the Issuer, and each of Citigroup Global Markets Inc., Barclays Capital Inc., MUFG Securities Americas Inc., and RBC Capital Markets, LLC, acting as representatives of the several underwriters named therein;
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Thirty-Sixth Supplemental Indenture, dated as of February 12, 2026, by and between the Issuer and The Bank of New York Mellon Trust Company, N.A., as Trustee (including Form of Note);
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Thirty-Seventh Supplemental Indenture, dated as of February 12, 2026, by and between the Issuer and The Bank of New York Mellon Trust Company, N.A., as Trustee (including Form of Note); and
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Opinion of Jones Day.
Filed exhibits (2)
Exhibit 4.1 THIRTY-SIXTH SUPPLEMENTAL INDENTURE THIS THIRTY-SIXTH SUPPLEMENTAL INDENTURE, dated as of February 12, 2026 (this “Supplemental Indenture”), is between MPLX LP, a limited partnership duly formed and existing under the laws of the State of Delaware (the “Partnership”), and The Bank of New York Mellon Trust Company, N.A., a national banking association, as trustee (the “Trustee”). WITNESSETH WHEREAS, pursuant to the Senior Indenture, dated as of February 12, 2015 (the “Base Indenture” and, as amended and supplemented to the date hereof, the “Indenture”), between the Partnership and the Trustee, the Partnership may from time to time issue and sell Debt Securities in one or more series; WHEREAS, the Partnership desires to create and authorize a new series of Debt Securities entitled “5.300% Senior Notes due 2036” (the “Notes”), limited initially to $1,000,000,000 in aggregate principal amount, and to provide the terms and conditions upon which the Notes are to be executed, registered, authenticated, issued and delivered, the Partnership has duly authorized the execution and delivery of this Supplemental Indenture; WHEREAS, the Notes are a series of Debt Securities and…
Open exhibit ↗Exhibit 4.2 THIRTY-SEVENTH SUPPLEMENTAL INDENTURE THIS THIRTY-SEVENTH SUPPLEMENTAL INDENTURE, dated as of February 12, 2026 (this “Supplemental Indenture”), is between MPLX LP, a limited partnership duly formed and existing under the laws of the State of Delaware (the “Partnership”), and The Bank of New York Mellon Trust Company, N.A., a national banking association, as trustee (the “Trustee”). WITNESSETH WHEREAS, pursuant to the Senior Indenture, dated as of February 12, 2015 (the “Base Indenture” and, as amended and supplemented to the date hereof, the “Indenture”), between the Partnership and the Trustee, the Partnership may from time to time issue and sell Debt Securities in one or more series; WHEREAS, the Partnership desires to create and authorize a new series of Debt Securities entitled “6.100% Senior Notes due 2056” (the “Notes”), limited initially to $500,000,000 in aggregate principal amount, and to provide the terms and conditions upon which the Notes are to be executed, registered, authenticated, issued and delivered, the Partnership has duly authorized the execution and delivery of this Supplemental Indenture; WHEREAS, the Notes are a series of Debt Securities a…
Open exhibit ↗