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: January 28, 2003

FIRSTBANK CORPORATION
(Exact name of registrant as
specified in its charter)

Michigan (State or other jurisdiction of incorporation)	0-14209 (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

Item 9.        Regulation FD Disclosure.

        On January 28, 2003, Firstbank Corporation (“Firstbank”) issued a news release with respect to its declaration of a $0.19 per share quarterly cash dividend to be paid March 14, 2003 to shareholders of record on February 28, 2003. A copy of the news release is attached as Exhibit 99.1.

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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:   January 28, 2003	FIRSTBANK CORPORATION (Registrant)
	By:	/s/ Samuel G. Stone Samuel G. Stone Executive Vice President and CFO

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EXHIBIT INDEX

99.1 Press Release Dated January 28, 2003 with respect to declaration of a $0.19 per share quarterly cash dividend to be paid March 14, 2003.

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EXHIBIT 99.1

FOR IMMEDIATE RELEASE		NEWS RELEASE
Date Submitted: NASDAQ Symbol:	January 28, 2003 FBMI	Contact:	Samuel G. Stone Executive Vice President and Chief Financial Officer (989) 466-7325

Firstbank Corporation Announces First Quarter Cash Dividend

Alma, MI — Thomas R. Sullivan, President and Chief Executive Officer of Firstbank Corporation, announced today that a $0.19 per share quarterly cash dividend will be paid March 14, 2003, to shareholders of record as of February 28, 2003.

The $0.19 per share cash dividend remains unchanged from the prior quarter. This rate, combined with the 5% stock dividend paid on December 31, 2002, represents a 10.8% increase in dividends per share compared to the year ago level.

Firstbank Corporation, headquartered in Alma, Michigan is currently a five bank financial services company with assets of $768 million and 34 banking offices located in central and northeast Michigan. Bank subsidiaries include: Firstbank — Alma; Firstbank (Mt. Pleasant); Firstbank — West Branch; Firstbank — Lakeview; and Firstbank — St. Johns. Other corporate affiliates include 1^st Armored, Inc.; 1^st Title; Gladwin Land Company, Inc.; and C. A. Hanes Realty, Inc. Investment services are available through affiliations with CB Wealth Management N.A., MML Investors Services, Inc., Raymond James Financial Services Inc., and SunAmerica Securities Inc.