Koppers reported a challenging third quarter with a 12% decline in sales year-over-year, primarily affected by market headwinds, although strategic cost control efforts led to improved adjusted EBITDA margins.

• Adjusted EBITDA for Q3 2025 came in at $70.9 million, down from $77.4 million in Q3 2024, reflecting effective cost management amidst declining revenues.
• SG&A expenses were reduced by 14% year-to-date compared to the previous year, equating to over $19 million in savings.
• Continued portfolio simplification with the divestiture of the Railroad Structures business, focusing on enhancing operational efficiency and reducing complexity.
• Notable improvements in safety metrics, with recordable injuries down 23% and serious incidents down 72%.
• Welcomed Laura Posadas to the Board, enhancing governance with her extensive experience in innovation and business strategy.