Marathon Petroleum (MPC) Tax Rate (2010 - 2026)

Marathon Petroleum has disclosed Tax Rate across 17 years of filings, most recently posting 17.7% for Q1 2026.

• Tax Rate for Q1 2026 came in at 17.7%, up 804.0% year-over-year; the trailing twelve-month figure through Mar 2026 was 16.74% (up 335.0% YoY), and the FY2025 annual result was 16.21%, up 127.0% from the prior year.
• Tax Rate came in at 17.7% for Q1 2026 at Marathon Petroleum, up from 15.82% in the prior quarter.
• In the past five years, Tax Rate ranged from a high of 22.44% in Q2 2022 to a low of 9.66% in Q1 2025.
• The 5-year median for Tax Rate is 18.26% (2024), against an average of 17.52%.
• Across the five-year window, Tax Rate surged 4439 bps in 2022 and sank 1164 bps in 2024, its largest moves.
• Marathon Petroleum's Tax Rate stood at 21.61% in 2022, then fell by 18 bps to 17.82% in 2023, then plunged by 30 bps to 12.39% in 2024, then advanced by 28 bps to 15.82% in 2025, then climbed by 12 bps to 17.7% in 2026.
• The last three Tax Rate figures came in at 17.7% (Q1 2026), 15.82% (Q4 2025), and 19.14% (Q3 2025), per Business Quant data.