Packaging Corporation of America

Lake Forest, Illinois, USA, 07 January 2008 --(BUSINESS WIRE)-- Packaging Corporation of America (NYSE: PKG), will hold a conference call on 23 January 2008, at 10:00 a.m. (Eastern Time) to discuss fourth quarter 2007 results. Fourth quarter 2007 earnings will be released after the market closes on 22 January 2008.

For access to the conference call, dial (866) 793-1341 (USA and Canada) or (703) 639-1312 (International) by 9:45 a.m. (Eastern Time). The conference call leader will be Paul Stecko.

A replay of the call will also be available from 1:00 p.m. (Eastern Time) on 23 January 2008, until 11:59 p.m. (Eastern Time) on 07 February 2008. To access the recording, dial (888) 266-2081 (USA and Canada) or (703) 925-2533 (International). The passcode is 1186815.

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

PCA is the sixth largest producer of containerboard and corrugated packaging products in the United States with sales of USD 2.2 billion in 2006. PCA operates four paper mills and 67 corrugated product plants in 26 states across the country.