PITTSBURGH, June 14, 2024 /PRNewswire/ -- Koppers Holdings Inc. (NYSE: KOP) today announced that the company will host meetings with the investment community on June 18 and June 19, 2024, in Toronto, Canada. Presentation materials will be available on www.koppers.com in the Investor Relations section of the company's website. Koppers (NYSE: KOP) is an integrated global provider of essential treated wood products, wood preservation technologies and carbon compounds. Our team of 2,200 employees create, protec ...