Lake Forest, Illinois, USA, 04 June 2007 -- (BUSINESS NEWS) -- Packaging Corporation of America (NYSE: PKG) announced today that its board has approved a regular quarterly dividend of USD 0.25 per share on its common stock. The quarterly dividend of USD 0.25 per share will be paid to shareholders of record as of 15 June 2007, with a payment date of 13 July 2007.

Future declaration of quarterly dividends, and the establishment of future record and payment dates, are subject to the final determination by PCA's board of directors.

PCA is the sixth largest producer of containerboard and corrugated packaging products in the United States with sales of USD 2.2 billion in 2006. PCA operates four paper mills and 68 corrugated product plants in 26 states across the country.