 LAKE FOREST, Ill.--BUSINESS WIRE--Packaging Corporation of America NYSE: PKG announced today that its Board approved a regular quarterly dividend of 1.00 per share on its common stock. The quarterly dividend of 1.00 per share will be paid to shareholders of record as of September 15, 2021 with a payment date of October 15, 2021. Future declaration of quarterly dividends and the establishment of future record and payment dates are subject to the final determination by PCAs Board of Direct 