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DateTitle 
June 18, 2019Koppers Enters into Special Purchase Order at Subsidiary in China for Third Quarter 2019Printer Friendly Version
June 12, 2019Koppers Holdings Inc. Announces Cessation of Activities at Follansbee, WV, Facility; Final Step in Restructuring Strategy for Carbon Materials and Chemicals BusinessPrinter Friendly Version
May 3, 2019Koppers Holdings Inc. Reports First Quarter 2019 ResultsPrinter Friendly Version
April 18, 2019Koppers Holdings Inc. Schedules First Quarter 2019 Conference CallPrinter Friendly Version
April 1, 2019Koppers Enters into Special Purchase Order at Subsidiary in China for Second Quarter 2019Printer Friendly Version
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