Exelon (NASDAQ:EXC) reported quarterly earnings of $0.39 per share which missed the analyst consensus estimate of $0.44 by 11.96 percent. This is a 17.02 percent decrease over earnings of $0.47 per share from the same period last year. The company reported quarterly sales of $5.427 billion which missed the analyst consensus estimate of $5.572 billion by 2.60 percent. This is a 1.23 percent increase over sales of $5.361 billion the same period last year.