Director since 2019; Lead Independent Director, effective May 14, 2026 Age 57 Mr. Ball has been the Board Chair and Chief Executive Officer of Koppers Holdings Inc., a leading integrated global provider of treated wood products, wood treatment chemicals and carbon compounds, since May 2025, having served as its Chief Executive Officer from January 2024 to May 2025 and as President and Chief Executive Officer from January 2015 through December 2023. Prior to that, he held other executive leadership roles at Koppers, serving as both Chief Operating Officer and Chief Financial Officer. Before joining Koppers, Mr. Ball served as the Senior Vice President and Chief Financial Officer of Calgon Carbon, Inc., a provider of services, products and solutions for purifying water and air, from 2002 to 2010. Board Committees: Audit and Risk Nominating and Governance (Chair) Skills and Qualifications: Mr. Ball s qualifications include his experience in senior leadership positions, including his current role as a sitting CEO, and his operational, financial, and public company accounting expertise. Audit Committee Financial Expert Current Directorships: Koppers Holdings Inc. Koppers, Inc. (a subsidiary of Koppers Holdings Inc.)