LAKE FOREST, Ill.--(BUSINESS WIRE)--Packaging Corporation of America (NYSE: PKG) today reported fourth quarter 2025 net income of $102 million, or$1.13 per share, and net income of $209 million, or$2.32 per share, excluding special items. Fourth quarter net sales were $2.4 billion in 2025 and$2.1 billion in 2024. Full year 2025 net income was $774 million, or$8.58 per share, and net income of $888 million, or$9.84 per share, excluding special items. Full year 2024 net income was $805 million, or$8.93 ...