ONE Gas (OGS) Tax Rate (2013 - 2026)

ONE Gas has disclosed Tax Rate across 14 years of filings, most recently posting 17.06% for Q1 2026.

• In Q1 2026, Tax Rate fell 76.0% year-over-year to 17.06%; the TTM figure through Mar 2026 stood at 17.45% (up 223.0% YoY), while the FY2025 annual figure was 17.8%, up 377.0% from the prior year.
• Tax Rate declined to 17.06% in Q1 2026, from 17.51% in the prior quarter.
• Over the last five years, Tax Rate for OGS reached as high as 18.25% in Q1 2022 and fell as low as 9.02% in Q4 2024.
• The 5-year median for Tax Rate is 16.93% (2022), against an average of 16.22%.
• Annual changes were most pronounced in 2024 — Tax Rate sank 475 bps — and 2025, when it soared 849 bps.
• A 5-year view of Tax Rate shows it stood at 16.93% in 2022, then slipped by 19 bps to 13.76% in 2023, then plunged by 34 bps to 9.02% in 2024, then soared by 94 bps to 17.51% in 2025, then declined by 3 bps to 17.06% in 2026.
• According to Business Quant data, Tax Rate over the past three periods registered 17.06%, 17.51%, and 18.24% for Q1 2026, Q4 2025, and Q3 2025 respectively.