Koppers Holdings Inc

The following table sets forth the names, ages and positions of our and Koppers Inc.’s executive officers as of February 27, 2025. Our executive officers hold their positions until the annual meeting of the board of directors or until their respective successors are elected and qualified.

Ms. Apostolou has served as Chief Legal and Sustainability Officer and Secretary since January 2025. Ms. Apostolou served as General Counsel and Secretary of Koppers Holdings Inc. and Koppers Inc. from March 2020 to December 2024. Ms. Apostolou has served as a Director of Koppers Inc. since March 2020. From January 2019 to February 2020, Ms. Apostolou served as Deputy General Counsel and Assistant Secretary of Koppers Holdings Inc. and Koppers Inc.

Mr. Ball has served as Chief Executive Officer of Koppers Holdings Inc. and Koppers Inc. since January 2024. Mr. Ball served as President and Chief Executive Officer of Koppers Holdings Inc. and Koppers Inc. from January 2015 to December 2023. Mr. Ball has served as a Director of Koppers Holdings Inc. since February 2015 and as a Director of Koppers Inc. since May 2013.

Mr. Lovalekar has served as Vice President, Information Technology, Koppers Inc. since March 2016.

Mr. Lucashas served as Senior Vice President, Culture and Engagement, Koppers Inc. since January 2025. Mr. Lucas served as Vice President, Culture and Engagement, Koppers Inc. from April 2022 to December 2024. Prior to joining Koppers, from July 2014 to April 2022, Mr. Lucas served as Vice President, Human Resources of AMETEK, Inc., a publicly traded manufacturer of electronic instruments and electromechanical devices.

Mr. Pearce has served as Chief Accounting Officer, Koppers Holdings Inc. and Koppers Inc. since May 2019.

Mr. Skrovanekhas served as Vice President, Growth and Innovation, Koppers Inc. since March 2022. From January 2020 to March 2022, Mr. Skrovanek served as Vice President, Purchasing and Strategic Marketing, Koppers Inc.

Ms. Smith has served as Chief Financial Officer of Koppers Holdings Inc. and Koppers Inc. since February 2022. From January 2022 to February 2022, Ms. Smith served as Chief Financial Officer and Treasurer of Koppers Holdings Inc. and Koppers Inc. From February 2020 to December 2021, Ms. Smith served as Vice President, Finance and Treasurer of Koppers Holdings Inc. and Koppers Inc. Ms. Smith has served as a Director of Koppers Inc. since January 2022.

Mr. Sullivan has served as President and Chief Operating Officer of Koppers Holdings Inc. and Koppers Inc. since January 2024. Mr. Sullivan served as Executive Vice President and Chief Operating Officer of Koppers Holdings Inc. and Koppers Inc. from January 2020 to December 2023.

Mr. Washingtonhas served as Vice President, External Relations, Koppers Inc. since June 2022. Prior to joining Koppers, from October 2012 to June 2022, Mr. Washington served as Head of Government Affairs of Illinois Tool Works Inc., a publicly traded manufacturer of industrial products and equipment.