GRAND RAPIDS, Mich., July 2, 2008 (PRIME NEWSWIRE) -- Mercantile Bank Corporation (Nasdaq:MBWM) will hold a conference call to discuss second quarter results on Wednesday, July 16, 2008 at 10:00 a.m. Eastern Time.

The webcast can be accessed live via the company's website, www.mercbank.com. An audio archive will be available on the Mercantile website for one month following the call.

About Mercantile Bank Corporation

Mercantile Bank Corporation is the bank holding company for Mercantile Bank of Michigan. Headquartered in Grand Rapids, the Bank provides a wide variety of commercial banking services through its five full-service banking offices in greater Grand Rapids, and its full-service banking offices in Holland, Lansing, Ann Arbor and Oakland County, Michigan. Mercantile Bank Corporation's common stock is listed on the NASDAQ Global Select Market under the symbol "MBWM."

CONTACT: Mercantile Bank Corporation
         Charles Christmas (CFO)
         616-726-1202
         cchristmas@mercbank.com