Koppers Elects Stephanie Apostolou as Chief Legal and Sustainability Officer and Secretary

KOP
October 02, 2025

Koppers Holdings Inc. announced the election of Stephanie Apostolou as Chief Legal and Sustainability Officer and Secretary, effective December 10, 2024. In this expanded role, Ms. Apostolou will oversee all aspects of the company's Legal, Sustainability, Zero Harm, Risk Management, and Strategic Planning functions. She will also coordinate matters relating to the Board of Directors.

Ms. Apostolou joined Koppers in 2011 as Corporate Counsel and served as General Counsel and Secretary since 2020. Her new responsibilities include supervising the continuation and expansion of Koppers' Sustainability program and Zero Harm safety culture. This appointment highlights Koppers' commitment to integrating sustainability and risk management into its core strategic planning.

Chief Executive Officer Leroy Ball stated that Ms. Apostolou's extensive involvement in major company decisions over the past five years makes her uniquely qualified for this expanded leadership position. Her role is critical in advancing Koppers' strategic objectives and ensuring continuity in key operational areas. This move reinforces the company's focus on long-term responsible growth.

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