Clearwater Paper Corporation (NYSE:CLW) will release its second quarter 2026 results on Tuesday, July 28, 2026, after market close. President and Chief Executive Officer, Arsen Kitch and Chief Financial Officer, Sherri Baker will discuss the results during a conference call that day at 2 p.m. Pacific Time.

Registration

To register for the conference call, please use this link. After registering, confirmation will be sent through email, including dial-in details and unique conference call codes for entry. Registration is open through the live call, but we recommend that you register a day in advance or at minimum 10 minutes before the start of the call.

Webcast

The webcast and presentation slides can be accessed at Clearwater Paper’s website: http://ir.clearwaterpaper.com

About Clearwater Paper Corporation

Clearwater Paper is a premier independent supplier of paperboard packaging products to North American converters. Headquartered in Spokane, Wash., our team produces high-quality paperboard that provides sustainable packaging solutions for consumer goods and food service applications. For additional information, please visit our website at www.clearwaterpaper.com.

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Investor Contact:

Investor Relations Team

509.344.5906

investorinfo@clearwaterpaper.com

Media Contact:

Virginia Aulin

Clearwater Paper Corporation

509.344.5967

Virginia.Aulin@clearwaterpaper.com