8-K

UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, DC 20549

FORM 8-K

CURRENT REPORT
Pursuant to Section 13 or 15(d) of the
Securities Exchange Act of 1934

Date of Report: November 29, 2005

FIRSTBANK CORPORATION
(Exact Name of Registrant as Specified in Charter)

Michigan
(State or Other Jurisdiction
of Incorporation) 000-14209
(Commission
File Number) 38-2633910
(IRS Employer
Identification No.)

311 Woodworth Avenue
Alma, Michigan
(Address of principal executive office) 48801
(Zip Code)

Registrant’s telephone number, including area code: (989) 463-3131

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the
filing obligation of the registrant under any of the following provisions:

[ ] Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425).

[ ] Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12).

[ ] Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240-14d-2(b)).

[ ] Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c)).

Section 8.01 Other Events

        On November 29, 2005, Firstbank Corporation issued a press release announcing a 5% stock dividend which will be paid December 30, 2005 to shareholders of record as of December 16, 2005.

Section 9.01 Financial Statements and Exhibits

      (c)    Exhibit

               99.1 Press Release Dated November 29, 2005.

SIGNATURE

        Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned thereunto duly authorized.

Dated: November 29, 2005 FIRSTBANK CORPORATION
(Registrant)


By: /s/ Samuel G. Stone
      ———————————————
      Samuel G. Stone
      Executive Vice President and CFO

EXHIBIT INDEX

      99.1 Press Release Dated November 29, 2005.

EX-99

EXHIBIT 99.1

FOR IMMEDIATE RELEASE
Date Submitted: November 29, 2005
NASDAQ Symbol: FBMI NEWS RELEASE

Contact: Samuel G. Stone
Executive Vice President and
Chief Financial Officer
(989) 466-7325

FIRSTBANK CORPORATION DECLARES STOCK DIVIDEND

Alma, Michigan (FBMI) – Thomas R. Sullivan, President and Chief Executive Officer of Firstbank Corporation, announced that the Board of Directors has approved a 5% stock dividend which will be paid December 30, 2005 to shareholders of record as of December 16, 2005.

Mr. Sullivan stated, “This is the fourteenth consecutive year Firstbank Corporation has declared a 5% stock dividend, which is in addition to the 2 for 1 stock splits issued in 1993 and 1998. The stock dividend is consistent with the underlying earnings power of the company and the strong capital position. The Board of Directors is pleased to share these strengths with our shareholders. Additionally, cash dividends, including the effect of stock dividends and splits, have increased at a compound annual growth rate of 10.4% per year over the past five years.”

Firstbank Corporation, headquartered in Alma, Michigan is a six bank financial services company with assets of $1.0 billion and 39 banking offices serving Michigan’s Lower Peninsula. Bank subsidiaries include: Firstbank – Alma; Firstbank (Mt. Pleasant); Firstbank – West Branch; Firstbank – Lakeview; Firstbank – St. Johns; and Keystone Community Bank.