Koppers Announces Participation in Southwest IDEAS Investor Conference

Rhea-AI Summary

Koppers (NYSE: KOP) will participate in the Southwest IDEAS Investor Conference in Dallas on November 20, 2025. Management will host meetings with the investment community and will be represented by Bradley Pearce, Chief Accounting Officer, and Quynh McGuire, Vice President of Investor Relations.

Presentation materials will be posted in the Investor Relations section at www.koppers.com.

PITTSBURGH, Nov. 17, 2025 /PRNewswire/ -- Koppers Holdings Inc. (NYSE: KOP), an integrated global provider of treated wood products, wood treatment chemicals and carbon compounds, today announced that the company will host meetings with the investment community as part of its participation in the Southwest IDEAS Investor Conference, which will be held in Dallas, on November 20, 2025.

Koppers management will be represented by Bradley Pearce, Chief Accounting Officer, and Quynh McGuire, Vice President of Investor Relations. Presentation materials will be available on www.koppers.com in the Investor Relations section of the company's website.

About Koppers

Koppers (NYSE: KOP) is an integrated global provider of essential treated wood products, wood preservation technologies and carbon compounds. Our team of approximately 1,850 employees create, protect and preserve key elements of our global infrastructure – including railroad crossties, utility poles, outdoor wooden structures, and production feedstocks for steel, aluminum and construction materials, among others – applying decades of industry-leading expertise while constantly innovating to anticipate the needs of tomorrow. Together we are providing safe and sustainable solutions to enable rail transportation, keep power flowing, and create spaces of enjoyment for people everywhere. Protecting What Matters, Preserving The Future. Learn more at Koppers.com.

Inquiries from the media should be directed to Ms. Jessica Franklin Black at BlackJF@koppers.com or 412-227-2025. Inquiries from the investment community should be directed to Ms. Quynh McGuire at McGuireQT@koppers.com or 412-227-2049.

For information:

Quynh McGuire, Vice President, Investor Relations
412 227 2049
McGuireQT@koppers.com

View original content to download multimedia:https://www.prnewswire.com/news-releases/koppers-announces-participation-in-southwest-ideas-investor-conference-302615993.html

SOURCE KOPPERS HOLDINGS INC.

FAQ

When will Koppers (KOP) attend the Southwest IDEAS Investor Conference?

Koppers will participate in Dallas on November 20, 2025.

Who will represent Koppers (KOP) at the November 20, 2025 conference?

Koppers management will be represented by Bradley Pearce and Quynh McGuire.

Where can investors find Koppers (KOP) presentation materials from the conference?

Presentation materials will be available in the Investor Relations section of www.koppers.com.

What is Koppers' stock symbol for investor searches about the conference?

Koppers trades under the ticker KOP on the New York Stock Exchange.

Will Koppers' November 20, 2025 meetings at Southwest IDEAS be open to the public?

The company announced it will host meetings with the investment community; check the Investor Relations site for access details.