Packaging Corporation of America Schedules Conference Call to Discuss First Quarter 2015 Operating Results

Packaging Corporation of America (NYSE: PKG) will hold a conference call on Tuesday, April 21, 2015 at 10:00 a.m. (Eastern Time) to discuss first quarter 2015 results. The first quarter earnings results will be released after the market closes on Monday, April 20, 2015.

For access to the conference call on April 21st, please dial [phone] (U.S. and Canada) or [phone] (International) by 9:45 a.m. (Eastern Time). The conference call leader will be Mark Kowlzan.

A replay of the call will also be available from 1:00 p.m. (Eastern Time) on April 21, 2015 until 11:59 p.m. (Eastern Time) on May 5, 2015. To access the recording, please dial [phone] (U.S. and Canada) or [phone] (International). The passcode is 35494228.

This call will also be webcast and can be accessed at PCA’s website at www.packagingcorp.com.

PCA is the fourth largest producer of containerboard and corrugated packaging products in the United States and the third largest producer of uncoated freesheet paper in North America. PCA operates eight paper mills and 94 corrugated products plants and related facilities.

Packaging Corporation of AmericaBarbara SessionsINVESTOR RELATIONS: [phone]PCA Web Site: www.packagingcorp.com