FIRSTBANK CORPORATION (a Michigan corporation) 33,000 Shares of Fixed Rate Cumulative Perpetual Preferred Stock, Series A Preferred Stock UNDERWRITING AGREEMENTUnderwriting Agreement • May 16th, 2012 • Firstbank Corp • State commercial banks • New York
Firstbank Corporation, a Michigan corporation (the “Company”), Firstbank-Alma, Firstbank (Mt. Pleasant), Firstbank-West Branch, Keystone Community Bank and Firstbank-West Michigan (each, a “Bank”) and the United States Department of the Treasury (the “Selling Shareholder”) each confirms its agreement with ● and ● (collectively, the “Underwriters,” which term shall also include any underwriter substituted as hereinafter provided in Section 11 hereof), for whom ● and ● are acting as Representatives (in such capacity, the “Representatives”), with respect to the sale by the Selling Shareholder and the purchase by the Underwriters, acting severally and not jointly, of the respective numbers of shares of Fixed Rate Cumulative Perpetual Preferred Stock, Series A Preferred Stock, no par value per share, of the Company (the “Preferred Stock”) set forth in Schedule A hereto. The aforesaid 33,000 shares of Preferred Stock to be purchased by the Underwriters are referred to herein, collectively, a
