Koppers Holdings Inc. Declares Quarterly Cash Dividend

PITTSBURGH, Aug. 5, 2026 /PRNewswire/ -- Koppers Holdings Inc. (NYSE: KOP), an integrated global provider of treated wood products, wood treatment chemicals, and carbon compounds, today announced that its Board of Directors has declared a quarterly cash dividend of $0.09 per share of Koppers common stock. The dividend is payable on September 14, 2026, to shareholders of record as of the close of trading on August 28, 2026.

Koppers expects to pay regular quarterly dividends, with future declarations subject to approval by its Board of Directors and the Board's determination that the declaration of dividends remains in the best interests of Koppers and its shareholders. The decision of whether to pay future dividends and the amount of any such dividends will be based on the Company's financial position, results of operations, cash flows, capital requirements, the requirements of applicable law and any other factors the Board of Directors may deem relevant.