Koppers Holdings Inc., a global provider of treated wood products and carbon compounds, announced it will release its second quarter 2026 financial results before the market opens on Thursday, August 6, 2026. The Pittsburgh-based company will subsequently host a conference call at 11:00 a.m. Eastern Time to discuss the quarterly performance and provide guidance on its outlook. This schedule allows investors and analysts to review the financial data before engaging with management during the live discussion.

Conference Call Details

The company stated that presentation materials supporting the earnings discussion will be posted on the Investor Relations section of www.koppers.com at least 15 minutes before the scheduled start time. Interested parties are advised to access the call five minutes early to complete registration procedures.

Participants can also access the live audio broadcast via the company’s website. The call will be recorded for those unable to attend in real-time.

Replay Availability

An audio replay of the conference call will be available approximately two hours after the conclusion of the live event. The replay can be accessed toll-free at 855-669-9658 for callers in the U.S. and Canada, or at 412-317-0088 for international participants. The access code for the replay is 2050613. The recording will remain available for replay through September 6, 2026.

About Koppers Holdings Inc.

Koppers Holdings Inc. operates as an integrated global provider of essential treated wood products, wood preservation technologies, and carbon compounds. The company employs approximately 1,800 people who produce key infrastructure elements such as railroad crossties, utility poles, and outdoor wooden structures. Additionally, Koppers provides production feedstocks for steel, aluminum, and construction materials industries.