LAKE FOREST, Ill.--(BUSINESS WIRE)--July 6, 2006--Packaging Corporation of America (NYSE:PKG), will hold a conference call on Wednesday, July 19, 2006 at 10:00 a.m. (Eastern Time) to discuss second quarter 2006 results. Second quarter 2006 earnings will be released after the market closes on July 18, 2006.

For access to the conference call on July 19th, please dial (866) 835-8825 (U.S. and Canada) and (703) 639-1407 (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 July 19, 2006 to 11:59 p.m. (Eastern Time) on August 3, 2006. To access the recording, please dial (888) 266-2081 (U.S. and Canada) and (703) 925-2533 (International). The passcode is 933792.

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 69 corrugated product plants in 27 states across the country.

CONTACT: Packaging Corporation of America
Barbara Sessions (Investor Relations), 877-454-2509
www.packagingcorp.com

SOURCE: Packaging Corporation of America