Packaging Corporation of America (NYSE: PKG), will hold a conference call on Tuesday, January 22, 2013 at 10:00 a.m. (Eastern Time) to discuss fourth quarter and full year 2012 results. Fourth quarter and full year 2012 earnings will be released before the market opens on January 22, 2013. For access to the conference call on January 22, please dial (866) 814-1914 (U.S. and Canada) or (703) 639-1358 (International) by 9:45 a.m. (Eastern Time). The conference call leader will be Mark Kowlzan, Chief Executive Officer of PCA. A replay of the call will also be available from 1:00 p.m. (Eastern Time) on January 22, 2013 until 11:59 p.m. (Eastern Time) on February 5, 2013. To access the recording, please dial (888) 266-2081 (U.S. and Canada) or (703) 925-2533 (International). The passcode is 1601861. This call will also be webcast and can be accessed at PCA’s website at: www.packagingcorp.com. PCA is the fourth largest producer of containerboard and corrugated packaging products in the United States with sales of $2.6 billion in 2011. PCA operates four paper mills and 71 corrugated product plants in 26 states across the country.