LAKE FOREST, Ill.--(BUSINESS WIRE)--Packaging Corporation of America (NYSE: PKG) will hold a conference call on Wednesday, January 28, 2026, at 9:00 a.m. Eastern Time to discuss fourth quarter and full year 2025 results. The conference call leader will be Mark Kowlzan. Fourth quarter and full year earnings results will be released after the market closes on Tuesday, January 27, 2026. To access the conference call, you may pre-register for the conference by navigating to https://dpregister.com/s. ...