Koppers Holdings (KOP) Tax Rate (2009 - 2025)

Koppers Holdings (KOP) has 17 years of Tax Rate data on file, last reported at 23.26% in Q4 2025.

• For the quarter ending Q4 2025, Tax Rate fell 736.0% year-over-year to 23.26%; the trailing twelve-month figure through Dec 2025 stood at 31.03% (up 116.0% YoY), and the FY2025 full-year result was 31.03%, up 116.0% from the prior year.
• Tax Rate retreated to 23.26% in Q4 2025, from 33.52% in the prior quarter.
• In the past five years, Tax Rate ranged from a high of 40.99% in Q3 2022 to a low of 12.03% in Q4 2022.
• A 5-year average of 29.06% and a median of 29.74% in 2024 frame the typical range for Tax Rate.
• Across the five-year window, Tax Rate surged 182450 bps in 2021 and slumped 2295 bps in 2022, its largest moves.
• Tracing KOP's Tax Rate over 5 years: stood at 34.97% in 2021, then plunged by 66 bps to 12.03% in 2022, then jumped by 183 bps to 34.01% in 2023, then dropped by 10 bps to 30.61% in 2024, then fell by 24 bps to 23.26% in 2025.
• Business Quant data shows KOP's Tax Rate at 23.26% in Q4 2025, 33.52% in Q3 2025, and 31.38% in Q2 2025.