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MPLX LP Annual Report, Year Ended Dec 31, 2025

Filing Date
Filed February 26, 2026
Period End
December 31, 2025
Securities
MPLXMPLXP
In the record · 2016–202610-K1110-Q328-K137

MPLX filed 11 annual reports (10-K), 32 quarterly reports (10-Q) and 137 current reports (8-K) between 2016 and 2026.

  1. Deal closed8-K · Feb ’18Feb ’18
  2. Material agreement8-K · Nov ’20Nov ’20
  3. Leadership change8-K · Nov ’22Nov ’22
  4. Leadership change8-K · Jan ’25Jan ’25

Summary

Summary of the 10-K filed February 26, 2026. Cited figures are marked; the original filing is the authoritative source.

MPLX LP's 2025 10-K filing highlights a year of significant growth and strategic acquisitions, primarily driven by its diversified midstream energy infrastructure and logistics assets.

The company operates through two key segments: Crude Oil and Products Logistics and Natural Gas and NGL Services. A substantial portion of MPLX's revenue is derived from its strategic relationship with Marathon Petroleum Corporation (MPC), which owns approximately 64%a of MPLX's outstanding common units. The company reported strong financial performance, with significant increases in net income and Adjusted EBITDA.

Capital expenditures focused on growth initiatives, including acquisitions like Northwind Midstream and BANGL, which are expected to enhance MPLX's market position and service offerings. MPLX also continued its commitment to returning capital to unitholders through increased distributions and a unit repurchase program. The report underscores MPLX's focus on safety, reliability, and cost competitiveness, while navigating a dynamic energy market.

Key Highlights

  1. MPLX LP reported strong financial results for 2025, with net income attributable to MPLX LP increasing to $4.912 billion and Adjusted EBITDA reaching $7.017 billion.
  2. The company completed significant acquisitions in 2025, including Northwind Midstream for $2.4 billion and the remaining 55% interest in BANGL for $703 million, expanding its natural gas and NGL services capabilities.
  3. MPLX increased its quarterly cash distribution by 12.5% effective for the third quarter of 2025, demonstrating a commitment to returning capital to unitholders.
  4. The Crude Oil and Products Logistics segment generated Segment Adjusted EBITDA of $4.547 billion, driven by tariff increases, higher throughputs, and recent acquisitions.
  5. The Natural Gas and NGL Services segment reported Segment Adjusted EBITDA of $2.470 billion, benefiting from acquisitions and increased NGL sales volumes.
  6. MPLX repurchased $400 million of common units held by the public during 2025, reflecting its capital allocation strategy.
  7. MPC accounted for 48% of MPLX's total revenues and other income in 2025, highlighting the continued importance of the sponsor relationship.

Financial Statements

FY2025 against FY2024

Line itemFY2025FY2024Change
Revenue$13.00B$11.93B+8.9%
Operating Expenses$7.05B$6.64B+6.2%
Operating Income$5.94B$5.29B+12.4%
Interest Expense$1.07B$963.00M+11.3%
Net Income$4.95B$4.36B+13.7%

Frequently Asked Questions

  1. What were MPLX's key strategic acquisitions in 2025?

    In 2025, MPLX completed two significant acquisitions: Northwind Midstream for $2.4 billion in cash, which enhances its Permian natural gas and NGL value chain, and the BANGL Acquisition for $703 million in cash plus an earnout provision, strengthening its NGL pipeline system connecting the Permian and Gulf Coast regions. Additionally, MPLX acquired gathering businesses from Whiptail Midstream for $235 million.

  2. How did MPLX's relationship with MPC impact its 2025 performance?

    Marathon Petroleum Corporation (MPC) remained a critical partner, accounting for 48% of MPLX's total revenues and other income in 2025. MPLX's assets are integral to MPC's refining operations, and long-term, fee-based agreements with minimum volume commitments from MPC provide a stable and predictable revenue stream.

  3. What is MPLX's strategy for returning capital to unitholders?

    MPLX is committed to returning capital to unitholders. In 2025, the company increased its quarterly cash distribution by 12.5% and repurchased $400 million of common units under its unit repurchase program. This aligns with its commitment to generating durable cash flow growth and returning capital.

  4. What are the main drivers of revenue growth for MPLX?

    MPLX's revenue growth is driven by several factors, including tariff and fee increases across its pipelines and terminals, higher throughput volumes due to increased production from its customers, and contributions from recent acquisitions. The company also benefits from annual fee escalations embedded in its long-term contracts.