Repligen (NASDAQ:RGEN) reported quarterly earnings of $0.54 per share which beat the analyst consensus estimate of $0.45 by 20 percent. This is a 45.95 percent increase over earnings of $0.37 per share from the same period last year. The company reported quarterly sales of $204.128 million which beat the analyst consensus estimate of $201.483 million by 1.31 percent. This is a 12.16 percent increase over sales of $182.000 million the same period last year.