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                                                                    EXHIBIT 10.2
                                                                       FORM 10-Q


                                 FIRST AMENDMENT
                                     TO THE
                          CITIZENS BANKING CORPORATION
                         THIRD AMENDED STOCK OPTION PLAN

         Pursuant to Section 8.7 of the Citizens Banking Corporation Third
Amended Stock Option Plan ("Plan"), and in accordance with authority granted by
the Compensation and Benefits Committee of the Board of Directors on May 18,
2000, Citizens Banking Corporation hereby adopts this First Amendment to the
Plan.

         1.    Section 1.3(c) is amended in its entirety by replacing the
language contained therein with the following language:

         (c) For purposes of this Agreement, a "Change in Control" shall mean:

         A.    The acquisition by any individual, entity or group (within the
meaning of Section 13(d)(3) or 14(d)(2) of the Securities Exchange Act of 1934,
as amended (the "Exchange Act")) (a "Person") of beneficial ownership (within
the meaning of Rule 13d-3 promulgated under the Exchange Act) of 20% or more of
either (1) the then outstanding shares of common stock of the Corporation (the
"Outstanding Corporation Common Stock") or (2) the combined voting power of the
then outstanding voting securities of the Corporation entitled to vote generally
in the election of directors (the "Outstanding Corporation Voting Securities");
provided, however, that for purposes of this subparagraph A, the following
acquisitions shall not constitute a Change in Control: (i) any acquisition
directly from the Corporation, (ii) any acquisition by the Corporation, (iii)
any acquisition by any employee benefit plan (or related trust) sponsored or
maintained by the Corporation or any corporation controlled by the Corporation,
or (iv) any acquisition by any corporation pursuant to a transaction which
complies with clauses (1), (2) and (3) of subparagraph C of this paragraph 2; or

         B.    Individuals who, as of the date hereof, constitute the Board of
Directors of the Corporation (the "Incumbent Board") cease for any reason to
constitute at least a majority of the Board of Directors; provided, however,
that any individual becoming a director subsequent to the date hereof whose
election, or nomination for election by the Corporation's shareholders, was
approved by a vote of at least a majority of the directors then comprising the
Incumbent Board (either by a specific vote or by approval of the proxy statement
of the Corporation in which such person is named as a nominee for director,
without written objection to such nomination) shall be considered as though such
individual were a member of the Incumbent Board, but excluding, for this
purpose, any such individual whose initial assumption of office occurs as a
result of an actual or threatened election contest with respect to the election
or removal of directors or other actual or threatened election contest with
respect to the election or removal of directors or other actual or solicitation
of proxies or contests by or on behalf of a person other than the Board of
Directors of the Corporation; or



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         C.    Consummation of a reorganization, merger, share exchange or
consolidation or sale of other disposition of all or substantially all of the
assets of the Corporation (a "Business Combination"), in each case, unless,
following such Business Combination: (1) all or substantially all of the
individuals and entities who were the beneficial owners, respectively, of the
Outstanding Corporation Common Stock and Outstanding Corporation Voting
Securities immediately prior to such Business Combination beneficially own,
directly or indirectly, more than 65% of, respectively, the then outstanding
shares of common stock and the combined voting power of the then outstanding
voting securities entitled to vote generally in the election of directors, as
the case may be, of the corporation resulting from such Business Combination
(including, without limitation, a corporation which as a result of such
transaction owns the Corporation or all or substantially all of the
Corporation's assets either directly or through one ore more subsidiaries) in
substantially the same proportions as their ownership, immediately prior to such
Business Combination of the Outstanding Corporation Common Stock and Outstanding
Corporation Voting Securities, as the case may be; (2) no Person (excluding any
corporation resulting from such Business Combination or any employee benefit
plan (or related trust) of the Corporation or such corporation resulting from
the Business Combination) beneficially owns, directly or indirectly, 20% or more
of, respectively, the then outstanding shares of common stock of the corporation
resulting from such Business Combination or the combined voting power of the
then outstanding voting securities of such corporation except that such
ownership existed prior to the Business Combination; and (3) at least a majority
of the members of the board of directors of the corporation resulting from such
Business Combination were members of the Incumbent Board immediately prior to
the time of the execution of the initial agreement, or of the action of the
Board of Directors of the Corporation, providing for such Business Combination;
or

         D.    Approval by the stockholders of the Corporation of a complete
liquidation or dissolution of the Corporation.

         2.    This First Amendment is effective May 18, 2000.

         IN WITNESS WHEREOF, Citizens Banking Corporation has caused this First
Amendment to be executed on May 18, 2000.

WITNESS                          CITIZENS BANKING CORPORATION


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Thomas W. Gallagher              Robert J. Vitito
Senior Vice President, General   Chairman, President and Chief Executive Officer
   Counsel & Secretary