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DateTitle 
March 1, 2019Koppers Holdings Inc. Reports Fourth Quarter and Full-Year 2018 ResultsPrinter Friendly Version
February 21, 2019Koppers Holdings Inc. Announces 2019 Annual Meeting and Record DatesPrinter Friendly Version
February 15, 2019Koppers Holdings Inc. Schedules Fourth Quarter 2018 Conference CallPrinter Friendly Version
January 9, 2019Koppers Performance Chemicals Enters into Sales Arrangement for Fire Retardant ProductPrinter Friendly Version
January 2, 2019Koppers Enters into Special Purchase Order at Subsidiary in China for First Quarter 2019Printer Friendly Version