Marathon(MPC) - 2025 Q1 - Quarterly Results

Exhibit 99.1 Marathon Petroleum Corp. Reports First-Quarter 2025 Results FINDLAY, Ohio, May 6, 2025 – Marathon Petroleum Corp. (NYSE: MPC) today reported net loss attributable to MPC of $(74) million, or$(0.24) per diluted share, for the first quarter of 2025, compared with net income attributable to MPC of $937 million, or$2.58 per diluted share, for the first quarter of 2024. The first quarter of 2025 adjusted earnings before interest, taxes, depreciation, and amortization (adjusted EBITDA) was $2.0 bil ...