Phillips 66 (PSX) Tax Rate (2011 - 2026)

Phillips 66 has reported Tax Rate for 16 years, with the latest figure at 15.77% in Q1 2026.

• For the quarter ending Q1 2026, Tax Rate fell 306.0% year-over-year to 15.77%; the trailing twelve-month figure through Mar 2026 stood at 16.12% (down 164.0% YoY), and the FY2025 full-year result was 16.46%, down 223.0% from the prior year.
• Tax Rate for Q1 2026 stood at 15.77%, up from 15.23% in the prior quarter.
• The five-year high for Tax Rate was 292.31% in Q4 2024, with the low at 10.65% in Q3 2024.
• Historically, Tax Rate has averaged 36.06% across 5 years, with a median of 21.06% in 2024.
• Annual changes were most pronounced in 2024 — Tax Rate surged 26528 bps — and 2025, when it plunged 27707 bps.
• Phillips 66's Tax Rate stood at 21.01% in 2022, then gained by 29 bps to 27.03% in 2023, then jumped by 981 bps to 292.31% in 2024, then plunged by 95 bps to 15.23% in 2025, then climbed by 4 bps to 15.77% in 2026.
• The last three Tax Rate figures came in at 15.77% (Q1 2026), 15.23% (Q4 2025), and 16.08% (Q3 2025), per Business Quant data.