Koppers Holdings Publishes 2025 Annual Report

2026-03-31 15:17:51

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Koppers Holdings Inc. announced the publication of its 2025 Annual Report and Letter to Shareholders. The report, which includes audited financial statements for the fiscal year ended December 31, 2025, was filed with the U.S. Securities and Exchange Commission (SEC) on March 27, 2026, and is available on the company’s and SEC’s websites. Koppers is a global provider of treated wood products, wood preservation technologies, and carbon compounds.

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