Koppers Holdings Inc. Schedules Third Quarter 2025 Conference Call

Rhea-AI Summary

Koppers Holdings (NYSE: KOP) will release its third quarter 2025 financial results before market open on Friday, November 7, 2025 and will discuss outlook on a conference call the same day at 11:00 a.m. ET.

Presentation materials will be posted at least 15 minutes before the call in the Investor Relations section of the company website. The live audio broadcast is available toll free in the U.S. and Canada at 833-366-1128 (international dial-in 412-902-6774), Conference ID 10196739. An audio replay will be available about two hours after the call and will remain accessible through February 7, 2026.

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PITTSBURGH, Oct. 24, 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 plans to release its financial results for the third quarter 2025 before the market opens on Friday, November 7, 2025, and discuss its outlook on a conference call later that day at 11:00 a.m. Eastern Time. Presentation materials will be available at least 15 minutes before the call on www.koppers.com in the Investor Relations section of the company's website.

Interested parties may access the live audio broadcast toll free by dialing 833-366-1128 in the United States and Canada, or 412-902-6774 for international, Conference ID number 10196739. Participants are requested to access the call at least five minutes before the scheduled start time to complete a brief registration. The conference call will be broadcast live on www.koppers.com and can also be accessed here.

An audio replay will be available approximately two hours after the completion of the call at 877-344-7529 for U.S. toll free, 855-669-9658 for Canada toll free, or 412-317-0088 for international, using replay access code 1342424. The recording will be available for replay through February 07, 2026.

About Koppers

Koppers (NYSE: KOP) is an integrated global provider of essential treated wood products, wood preservation technologies and carbon compounds. Our team of 2,000 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

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SOURCE KOPPERS HOLDINGS INC.

FAQ

When will Koppers (KOP) release third quarter 2025 results?

Koppers will release Q3 2025 results before the market opens on Friday, November 7, 2025.

What time is the Koppers (KOP) Q3 2025 conference call and how long before should I join?

The call is scheduled for 11:00 a.m. ET on November 7, 2025; participants are asked to join at least 5 minutes early to register.

How can I listen to the live Koppers (KOP) conference call webcast?

The live audio broadcast and webcast are available at www.koppers.com in the Investor Relations section and via the provided dial-in numbers.

Where will presentation materials for the Koppers (KOP) call be posted?

Presentation materials will be posted in the Investor Relations section of www.koppers.com at least 15 minutes before the call.

How do I access the Koppers (KOP) conference call replay and until when is it available?

An audio replay will be available about two hours after the call via toll-free replay numbers and will be accessible through February 7, 2026.

What dial-in numbers and conference ID are used for the Koppers (KOP) Q3 2025 call?

U.S./Canada toll-free: 833-366-1128; international: 412-902-6774; Conference ID: 10196739.