 LAKE FOREST, Ill.--BUSINESS WIRE--Packaging Corporation of America NYSE: PKG today reported second quarter 2021 net income of 207 million, or 2.17 per share, and net income of 207 million, or 2.17 per share, excluding special items. Second quarter net sales were 1.9 billion in 2021 and 1.5 billion in 2020. Diluted earnings per share attributable to Packaging Corporation of America shareholders Three Months Ended June 30 2021 2020 Change Reported Diluted EPS 2.17 