Analysis published 20 Jul 2026

AI-generated · cited to primary sources · not investment advice

Marathon Petroleum Corporation Common Stock (MPC) Sep 2025 Filing Analysis

01 · Management Credibility

Does management do what it says?

MetIntegrated Oil And Gas M&A and Portfolio Action
85/100

The acquisition closed on July 1, 2025, for approximately $700 million plus the earnout provision. (5 met across 5 tracked commitments)

On August 26, 2025, MPLX entered into a definitive agreement to divest its Rockies gathering and processing operations (the “Rockies”) to a subsidiary of Harvest Midstream (“Harvest”) for $1.0 billion in cash, subject to customary purchase price adjustments. ... The transaction is expected to close in the fourth quarter of 2025

Marathon Petroleum Corporation Common Stock · QUARTERLY_REPORT · Sep 2025 · p.21
Integrated Oil And Gas Earnings and Guidance Reset

Management expects a gain in excess of $150 million from the divestiture of the Rockies operations. — target: > $150 million

The transaction is expected to close in the fourth quarter of 2025, subject to customary closing conditions, and is expected to result in an estimated gain in excess of $150 million upon closing.

Marathon Petroleum Corporation Common Stock · QUARTERLY_REPORT · Sep 2025 · p.21

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02 · Business Model

How durable is the business?

Integrated Oil And Gas Unit Economics
80/100

Unit economics improved with refining margins rising to $17.60 per barrel from $14.63, driven by higher crack spreads and a $1 billion positive impact from market indicators. (1 expanding)

Refining & Marketing margin per barrel $ 17.60 [vs] $ 14.63

Marathon Petroleum Corporation Common Stock · QUARTERLY_REPORT · Sep 2025 · p.63

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03 · Future Growth

Where does growth come from?

Integrated Oil And Gas US Policy Change

The company is realizing new financial benefits from US policy shifts, specifically the 'One Big Beautiful Bill Act,' which provided a $57 million SRE credit in Q3 2025. (1 new trend across 1 signal)

SRE: 57 [million]... changes in tax regulations or guidance promulgated pursuant to the new legislation implemented in the One Big Beautiful Bill Act

Marathon Petroleum Corporation Common Stock · QUARTERLY_REPORT · Sep 2025 · p.31

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