Packaging Corporation of America (NYSE:PKG) announced today that it intends to increase the quarterly cash dividend on its common stock to an annual payout of $6.00 per share from $5.00 per share, a 20% increase. The first quarterly dividend of $1.50 per share will be paid to shareholders of record as of June 15, 2026 with a payment date of July 15, 2026. 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.