Corporate Expands Board of Administrators from 8 to 9 Participants

PITTSBURGH, Nov. 5, 2025 /PRNewswire/ — Koppers Holdings Inc. (NYSE: KOP), an built-in international supplier of handled log merchandise, log remedy chemical compounds, and carbon compounds, lately introduced that the corporate has higher the scale of its Board of Administrators from 8 to 9 individuals and has elected Laura Posadas as a director of the corporate, efficient November 5, 2025.

Ms. Posadas lately serves as Well-known Govt Officer of Canlak Coatings Inc., a portfolio corporate of SK Capital Companions and main formulator and producer of top quality log coating programs.  An achieved govt with greater than two decades of revel in in international management roles throughout the strong point chemical compounds {industry}, Ms. Posadas has a confirmed skill to force innovation, operational excellence, and strategic enlargement.

She additionally serves at the Board of Administrators and chairs the advisory arm of Coqual, an international suppose tank that is helping corporations redesign how they paintings and manage.  Ms. Posadas holds a point in chemistry from The College of Delaware.

Koppers Board Chair and Well-known Govt Officer Leroy Ball mentioned, “I’m happy to welcome Laura as the latest high-quality addition to our Board.   She is the latest example of how we have worked to refresh the backgrounds and skillsets of our board members to better reflect the future direction of Koppers.  Laura’s record of driving growth and innovation is especially impressive as we seek to build around our higher performing businesses.  On behalf of the Board, we are all excited to have her joining us and look forward to the positive contribution she will make to our continued transformation.”

About Koppers
Koppers (NYSE: KOP) is an built-in international supplier of very important handled log merchandise, log preservation applied sciences and carbon compounds. Our staff of roughly 1,850 staff manufacture, offer protection to and saving key parts of our international infrastructure – together with railroad crossties, worth poles, out of doors wood buildings, and manufacturing feedstocks for metal, aluminum and development fabrics, amongst others – making use of a long time of industry-leading experience pace repeatedly innovating to look ahead to the wishes of the next day. In combination we’re offering secure and sustainable answers to permit rail transportation, hold energy flowing, and manufacture areas of pleasure for nation in every single place. Protective What Issues, Conserving The Past. Be informed extra at Koppers.com.

Inquiries from the media will have to be directed to Ms. Jessica Franklin Twilight at [email protected] or 412-227-2025. Inquiries from the funding family will have to be directed to Ms. Quynh McGuire at [email protected] or 412-227-2049.

SOURCE KOPPERS HOLDINGS INC.