Lake Forest, Illinois, USA, 03 October 2008 -- (BUSINESS WIRE) -- Packaging Corporation of America (NYSE: PKG), will hold a conference call on 21 October 2008 at 10:00 a.m. (Eastern Time) to discuss third quarter 2008 results. Third quarter 2008 earnings will be released after the market closes on 20 October 2008.

For access to the conference call on 21 October, dial (866) 847-7864 (USA and Canada) and (703) 639-1430 (international) by 9:45 a.m. (Eastern Time). The conference call leader will be Paul Stecko.

A replay of the call also will be available from 1:00 p.m. (Eastern Time) on 21 October 2008 until 11:59 p.m. (Eastern Time) on 04 November 2008. To access the recording, dial (888) 266-2081 (USA and Canada) and (703) 925-2533 (international). The passcode is 1292018.

This call will be webcast by CCBN and can be accessed at PCA's Web site at: www.packagingcorp.com.

PCA is the fifth largest producer of containerboard and corrugated packaging products in the United States, with sales of USD 2.3 billion in 2007. PCA operates four paper mills and 67 corrugated product plants in 26 states across the country.