Packaging Corporation of America’s (NYSE: PKG) Chief Executive Officer, Mark Kowlzan, will speak at Wells Fargo’s 16^th Annual Industrials and Materials Conference being held at Loews Chicago in Chicago, IL on Wednesday, June 10, 2026 at 8:45am CST. After Mr. Kowlzan’s Fireside Chat, he and Executive Vice President and CFO, Kent Pflederer will participate in a Q&A session. Immediately following, they will be hosting a series of 1 x 1 meetings.

For those interested in listening to the webcast, please go to our company’s website at https://packagingcorp.com, click on the “Investors” tab, and then in the drop-down menu, click “Presentations and Events”. Or you can access the webcast by copying the link below into your browser, https://event.summitcast.com/view/QCgpAyoWWxBHCfAopjr3F6/gqbcTJWbYxrULFDjr354Hp. A webcast replay will be available shortly after the conclusion of the live Fireside Chat and be available for 30 days.

PCA is the third largest producer of containerboard products and a leading producer of uncoated freesheet paper in North America. PCA operates 10 mills and 90 corrugated products plants and related facilities.

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