Mercantile Bank (NASDAQ:MBWM) reported quarterly earnings of $1.21 per share which beat the analyst consensus estimate of $1.19 by 1.68 percent. This is a 9.7 percent decrease over earnings of $1.34 per share from the same period last year. The company reported quarterly sales of $57.25 million which missed the analyst consensus estimate of $57.43 million by 0.31 percent. This is a 1.68 percent decrease over sales of $58.23 million the same period last year.