LAKE FOREST, Ill.--(BUSINESS WIRE)--Jan. 5, 2007--Packaging Corporation of America (NYSE:PKG), will hold a conference call on Tuesday, January 23, 2007 at 10:00 a.m. Eastern time to discuss fourth quarter and full year 2006 results. Fourth quarter and full year 2006 earnings will be released after the market closes on January 22, 2007.

For access to the conference call on January 23, please dial (866) 244-4742 (U.S. and Canada) and (703) 639-1180 (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 January 23, 2007 until 11:59 p.m. eastern time on February 7, 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 $2.0 billion in 2005. PCA operates four paper mills and 68 corrugated product plants in 26 states across the country.