Packaging Corporation of America’s (NYSE: PKG) Chief Executive Officer Mark W. Kowlzan will speak at the Credit Suisse 2011 Global Paper & Packaging Conference in New York City on Wednesday, February 23rd at 8:15 am Eastern time. Also in attendance from PCA will be Richard B. West, Chief Financial Officer, and Paul T. Stecko, Executive Chairman.

Interested parties may access the live presentation and Q & A by registering with Credit Suisse prior to the presentation time. Please type the following link into your browser:

http://cc.talkpoint.com/cred001/022311a_ah/?entity=4_552YOTE

You may also access the presentation and Q & A by visiting the Investor Relations section of PCA’s website at: www.packagingcorp.com. Please go to the PCA website 15 minutes prior to the start of the presentation in case you need to download or install any necessary software.

PCA is the fifth largest producer of containerboard and corrugated packaging products in the United States with sales of $2.44 billion in 2010. PCA operates four paper mills and 67 corrugated products plants in 26 states across the country.

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