FORM 4

[  ]   Check this box if no longer
       subject to Section 16. Form 4 or
       Form 5 obligations may continue.
       See Instruction 1(b).

(Print or Type Responses)

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility
Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940

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1. Name and Address of Reporting Person^*

Peters Dale A.

(Last) (First) (Middle)

c/o Firstbank Corporation, 311 Woodworth Avenue

(Street)

Alma MI 48801

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading
Symbol

Firstbank Corporation - FBMI

3. I.R.S. Identification
    Number of Reporting
    Person, if an entity
    (voluntary)

4. Statement for
Month/Day/Year

01/28/2003

5. If Amendment,
Date of Original
(Month/Day/Year)

6. Relationship of Reporting Person(s) to Issuer

(Check all applicable)

Director 10% Owner

X Officer (give title below) Other (specify below)

Description Vice President

7. Individual or Joint/Group Filing
(Check Applicable Line)

X Form filed by One Reporting Person

Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned

1. Title of Security
(Instr. 3)

2.Transaction
Date
(Month/Day/Year)

2A. Deemed
Execution
Date, if any
(Month/Day/Year)

3. Trans-
    action
    Code
    (Instr. 8)

4. Securities Acquired (A) or Disposed
of (D)
(Instr. 3, 4, and 5)

5. Amount of
    Securities
    Beneficially
    Owned
    Following
    Reported
    Transaction(s)

    (Instr. 3 and 4)

6. Owner-
    ship
    Form:
    Direct
    (D) or
    Indirect
    (I)

    (Instr. 4)

7. Nature of
     Indirect
     Beneficial
     Ownership

    (Instr. 4)

Code

Amount

(A) or (D)

Price

Common Stock

01/28/2003

983

$8.63

7,815.1337

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4(b)(v).

Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB control number.

(Over)
SEC 1474 (9-02)

FORM 4 (continued)

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)

1. Title of Derivative
Security
(Instr. 3)

2. Conver-
    sion or
    Exercise
    Price of
    Deri-
    vative
    Security

3. Trans-
action
Date

(Month/
Day/
Year)

3A. Deemed Execution Date, if any

(Month/
Day/
Year)

4. Trans-
    action
    Code
    (Instr.8)

5. Number of Deriv-
    ative Securities Ac-
    quired (A) or Dis-
    posed of (D)

    (Instr. 3, 4 and 5)

6. Date Exercisable
    (DE) and
    Expiration
    Date (ED)
    (Month/Day/Year)

7. Title and Amount of
Underlying Securities
(Instr. 3 and 4)

8. Price of
    Derivative
    Security
    (Instr.5)

9. Number of
    Derivative
    Securities
    Beneficially
    Owned
    Following
    Reported
    Trans-
    action(s)
    (Instr.4)

10. Owner-
     ship
     Form of
     Deriv-
     ative
     Security:
     Direct
     (D) or
     Indirect
     (I)

     (Instr.4)

11. Nature of
      Indirect
      Beneficial
      Ownership
      (Instr.4)

Code

Title

Amount or Number of Shares

Employee Stock Option (Right to Buy)

$8.63

01/28/2003

983

06/21/96

12/21/05

Common Stock

983

1970.9256

Explanation of Responses:

** Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).

Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.

Potential persons who are to respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.

/s/ Donald Johnson

** Signature of Reporting Person
Donald Johnson for Dale A. Peters
by Power of Attorney

01/30/03

Date

PETERS DALE A 4