Packaging Corporation of America

Lake Forest, Illinois, USA, 05 January 2007 --(BUSINESS WIRE)-- Packaging Corporation of America (NYSE:PKG), will hold a conference call on 23 January 2007 at 10:00 a.m. Eastern Standard Time (EST) to discuss fourth quarter and full year 2006 results. Fourth quarter and full year 2006 earnings will be released after the stock market closes on 22 January 2007.

For access to the conference call on 23 January, dial (866) 244-4742 (U.S. and Canada) and (703) 639-1180 (International) by 9:45 a.m. EST. The conference call leader will be Paul Stecko.

A replay of the call will also be available from 1:00 p.m. EST on 23 January until 11:59 p.m. EST on 07 February 2007. To access the recording, please dial (888) 266-2081 (U.S. and Canada) and (703) 925-2533 (International). The passcode is 1023719.

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 2.0 billion in 2005. PCA operates four paper mills and 68 corrugated product plants in 26 states across the country.