Exhibit 99.1

| | NEWS RELEASE |
| | |
FOR IMMEDIATE RELEASE | | Contact: Samuel G. Stone |
Date Submitted: August 27, 2013 | | Executive Vice President and |
NASDAQ Symbol: FBMI | | Chief Financial Officer |
| | (989) 466-7325 |
Firstbank Corporation Announces Cash Dividend on Common Stock
Alma, MI (FBMI) – Thomas R. Sullivan, President and Chief Executive Officer of Firstbank Corporation, announced today that a $0.06 per share cash dividend will be paid September 26, 2013, to common stock shareholders of record as of September 10, 2013. The $0.06 per share cash dividend is unchanged from the amount paid in the prior quarter.
Firstbank Corporation, headquartered in Alma, Michigan, is a bank holding company using a community bank local decision-making format with assets of $1.5 billion and 46 banking offices serving Michigan’s Lower Peninsula.