May 6, 2022
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Koppers Reports First Quarter 2022 Results
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April 25, 2022
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Koppers Holdings Inc. Publishes Digital 2021 Annual Report
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April 22, 2022
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Koppers Holdings Inc. Schedules First Quarter 2022 Conference Call
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April 20, 2022
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Koppers President and CEO Leroy Ball to Present Keynote Address At Pittsburgh Chemical Day 2022
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April 11, 2022
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Koppers Announces Appointment of Stephen Lucas as Vice President of Culture and Engagement
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April 5, 2022
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Koppers Announces Sale of Property and Assets at Facility in Sweetwater, Tennessee
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March 10, 2022
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Two Koppers Employees Named 2022 STEP Ahead Award Honorees By The Manufacturing Institute
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February 23, 2022
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Koppers Holdings Inc. Reinstates Quarterly Cash Dividend and Declares First Dividend Since 2014
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February 23, 2022
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Koppers Reports Fourth Quarter and Full-Year 2021 Results; Provides 2022 Outlook
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February 23, 2022
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Koppers Announces New Leadership Appointments To Support Long-Term Strategy
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February 9, 2022
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Koppers Holdings Inc. Schedules Fourth Quarter and Full-Year 2021 Conference Call
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December 13, 2021
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Koppers Recognized Among America's Most Responsible Companies by Newsweek
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November 8, 2021
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Koppers Chief Financial Officer Michael Zugay Earns Career Achievement Award
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November 4, 2021
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Koppers Holdings Inc. Reports Third Quarter 2021 Results
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October 21, 2021
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Koppers Holdings Inc. Schedules Third Quarter 2021 Conference Call
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October 6, 2021
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Koppers Completes Sale of Denver Facility
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September 9, 2021
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Koppers Announces Participation in Sustainable Battery Projects
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September 8, 2021
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Koppers Holdings Inc. to Host 2021 Investor Day
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August 16, 2021
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Koppers Holdings Inc. Issues 2020 Corporate Sustainability Report
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