Packaging Corporation of America reported second quarter 2026 net income of $192 million, or $2.15 per diluted share, compared to $241.5 million, or $2.67 per diluted share, in the second quarter of 2025. Net sales rose to $2.5 billion from $2.2 billion in the prior-year period. Results included special items related to facility closure costs, restructuring at the Wallula, WA mill, and Greif acquisition integration. Excluding special items, diluted earnings per share were $2.35. The company provided third quarter 2026 earnings guidance of $2.91 per share, excluding special items. Packaging Corporation of America is a manufacturer of containerboard and uncoated freesheet paper.