Marathon Petroleum Corp
For the period ended Sep 30, 2025. Filed Nov 4, 2025.
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Sep 30, 2025 · Filed Nov 4, 2025
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6. Related Party Transactions
- Related Party Transactions
Transactions with related parties were as follows:
| Three Months Ended September 30, | Nine Months Ended September 30, | |||
|---|---|---|---|---|
| (Millions of dollars) | 2025 | 2024 | 2025 | 2024 |
| Sales to related parties | $390 | $213 | $1,036 | $711 |
| Purchases from related parties | 751 | 624 | 2,163 | 1,778 |
Sales to related parties, which are included in sales and other operating revenues, consist primarily of refined product sales and renewable feedstock sales to certain of our equity affiliates.
Purchases from related parties are included in cost of revenues. We obtain utilities, transportation services and purchase renewable diesel from certain of our equity affiliates.
We also purchased ethanol from TAMH, an equity affiliate. On July 31, 2025, MPC sold its interest in TAMH. TAMH ceased to be a related party after the sale. See Note 4.
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