The Law Offices of Frank R. Cruz announces an investigation of Koppers Holdings Inc. (“Koppers” or the “Company”) (NYSE: KOP) on behalf of investors concerning the Company’s possible violations of federal securities laws.

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On February 23, 2022, Koppers disclosed that the U.S. Securities and Exchange Commission was conducting an investigation “into the Company’s public non-GAAP financial metrics disclosures regarding the Company’s debt reduction target and net leverage ratio for Fiscal Year 2019 and the related management of its accounts payable.” Koppers’ Chief Executive Officer and other current and former officers and employees had received subpoenas for information and testimony pursuant to a formal order of investigation dated February 14, 2021.

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If you purchased Koppers securities, have information or would like to learn more about these claims, or have any questions concerning this announcement or your rights or interests with respect to these matters, please contact Frank R. Cruz, of The Law Offices of Frank R. Cruz, 1999 Avenue of the Stars, Suite 1100, Los Angeles, California 90067 at 310-914-5007, by email to info@frankcruzlaw.com, or visit our website at www.frankcruzlaw.com. If you inquire by email please include your mailing address, telephone number, and number of shares purchased.

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