PITTSBURGH, May 2, 2024 /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 $0.07 per share of Koppers common stock. The dividend is payable on June 10, 2024, to shareholders of record as of the close of trading on May 24, 2024. Koppers expects to pay regular quarterly dividends, with future declarations subject to approv ...