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May 7, 2026 10:25AM Koppers Holdings Inc. Declares Quarterly Cash Dividend
Mar 30, 2026 07:55AM
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Dec 16, 2025 08:45AM Koppers Named To Newsweek 'America's Most Responsible Companies' Listing
Nov 7, 2025 07:55AM
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Jun 25, 2025 08:00AM Koppers Releases 2024 Corporate Sustainability Report
Jun 18, 2025 07:55AM
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May 8, 2025 10:37AM Koppers Holdings Inc. Declares Quarterly Cash Dividend
Feb 27, 2025 07:56AM
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Feb 12, 2025 10:11AM
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Dec 18, 2024 08:30AM
Dec 17, 2024 09:00AM Koppers Successfully Reprices Term Loan B
Dec 5, 2024 04:30PM
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Jun 6, 2024 12:30PM Koppers Officially Marks Completion of New Utility Pole Manufacturing Facility in Leesville, LA
May 3, 2024 07:55AM
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Apr 15, 2024 07:55AM
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Apr 2, 2024 08:30AM
Feb 28, 2024 07:55AM Koppers Holdings (KOP) to Acquire Brown Wood Preserving
Feb 28, 2024 07:55AM

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