Packaging Corp of America (NYSE:PKG) reported quarterly earnings of $2.35 per share which beat the analyst consensus estimate of $2.31 by 1.73 percent. This is a 5.24 percent decrease over earnings of $2.48 per share from the same period last year. The company reported quarterly sales of $2.490 billion which missed the analyst consensus estimate of $2.502 billion by 0.47 percent. This is a 14.68 percent increase over sales of $2.171 billion the same period last year.