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May 3, 2018Koppers Holdings Inc. Announces Retirement of Thomas D. Loadman, Senior Vice President, Railroad Products and ServicesPrinter Friendly Version
May 3, 2018Koppers Holdings Inc. Reports First Quarter 2018 ResultsPrinter Friendly Version
April 25, 2018Koppers Holdings Inc. Schedules First Quarter 2018 Conference CallPrinter Friendly Version
April 10, 2018Koppers Acquires Cox Industrial to Create Leading Utility Pole and Wood Treatment ProducerPrinter Friendly Version
February 27, 2018Koppers Holdings Inc. Reports Fourth Quarter and Full-Year 2017 ResultsPrinter Friendly Version
February 20, 2018Koppers Holdings Inc. Schedules Fourth Quarter 2017 Conference CallPrinter Friendly Version
February 16, 2018Koppers Holdings Inc. Announces 2018 Annual Meeting and Record DatesPrinter Friendly Version