CITIZENS BANKING CORP
DEF 14A, 1999-03-15
NATIONAL COMMERCIAL BANKS
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<PAGE>   1
                                  SCHEDULE 14A
                                 (RULE 14a-101)
 
                    INFORMATION REQUIRED IN PROXY STATEMENT
 
                            SCHEDULE 14A INFORMATION
          PROXY STATEMENT PURSUANT TO SECTION 14(a) OF THE SECURITIES
                     EXCHANGE ACT OF 1934 (AMENDMENT NO.  )
 
     Filed by the Registrant [X]
 
     Filed by a Party other than the Registrant [ ]
 
     Check the appropriate box:
 
     [ ] Preliminary Proxy Statement        [ ] Confidential, for Use of the
                                                Commission Only (as permitted by
                                                Rule 14a-6(e)(2))
 
     [X] Definitive Proxy Statement
 
     [ ] Definitive Additional Materials
 
     [ ] Soliciting Material Pursuant to Rule 14a-11(c) or Rule 14a-12

                         CITIZENS BANKING CORPORATION
- - --------------------------------------------------------------------------------
                (Name of Registrant as Specified in Its Charter)

 
- - --------------------------------------------------------------------------------
    (Name of Person(s) Filing Proxy Statement if other than the Registrant)
 
Payment of Filing Fee (Check the appropriate box):
 
     [X] No fee required.
 
     [ ] Fee computed on table below per Exchange Act Rules 14a-6(i)(1) and
         0-11.
 
     (1) Title of each class of securities to which transaction applies:
 
- - --------------------------------------------------------------------------------
 
     (2) Aggregate number of securities to which transaction applies:
 
- - --------------------------------------------------------------------------------
 
     (3) Per unit price or other underlying value of transaction computed
         pursuant to Exchange Act Rule 0-11 (Set forth the amount on which the
         filing fee is calculated and state how it was determined):
 
- - --------------------------------------------------------------------------------
 
     (4) Proposed maximum aggregate value of transaction:
 
- - --------------------------------------------------------------------------------
 
     (5) Total fee paid:
 
- - --------------------------------------------------------------------------------
 
     [ ] Fee paid previously with preliminary materials.
 
     [ ] Check box if any part of the fee is offset as provided by Exchange Act
         Rule 0-11(a)(2) and identify the filing for which the offsetting fee
         was paid previously. Identify the previous filing by registration
         statement number, or the form or schedule and the date of its filing.
 
     (1) Amount previously paid:
 
- - --------------------------------------------------------------------------------
 
     (2) Form, schedule or registration statement no.:
 
- - --------------------------------------------------------------------------------
 
     (3) Filing party:
 
- - --------------------------------------------------------------------------------
 
     (4) Date filed:
 
- - --------------------------------------------------------------------------------

                                       1
<PAGE>   2
                   [CITIZENS BANKING CORPORATION LETTERHEAD]




            NOTICE OF ANNUAL MEETING OF SHAREHOLDERS, APRIL 20, 1999

To the Shareholders of Citizens Banking Corporation:

         Notice is hereby given that the annual meeting of shareholders of
Citizens Banking Corporation (the "Corporation") will be held in the
Presidential Ball Room located in the Holiday Inn, Gateway Centre, Flint,
Michigan, on Tuesday, April 20, 1999, at 10:00 a.m., local time, for the
following purposes:

         (1) To elect six (6) Class I directors to serve a three (3) year term
and until their successors are duly elected and qualify.

         (2) To transact such other business as may properly come before the
meeting or any adjournment or adjournments thereof.

         THE BOARD OF DIRECTORS RECOMMENDS A VOTE FOR EACH OF THE DIRECTORS
NOMINATED.

         Shareholders of record of the Corporation's common stock outstanding at
the close of business on February 26, 1999 are entitled to notice of and to vote
at the meeting.

         You are invited to attend this meeting. Please date, sign and return
your proxy promptly in the enclosed, stamped envelope whether or not you plan to
be present at the meeting. You may still vote in person if you attend the
meeting.

                                              By Order of the Board of Directors


                                              Thomas W. Gallagher

                                              Thomas W. Gallagher
                                              Secretary



Flint, Michigan
March 15, 1999


                                       2
<PAGE>   3
                      [CITIZENS BANKING CORPORATION LOGO]



                          Citizens Banking Corporation
                            328 South Saginaw Street
                              Flint, Michigan 48502

- - --------------------------------------------------------------------------------
                                 PROXY STATEMENT
- - --------------------------------------------------------------------------------


         This proxy statement is furnished in connection with the solicitation
of proxies by the board of directors of Citizens Banking Corporation (the
"Corporation") to be used at the annual meeting of shareholders of the
Corporation and any adjournments thereof. The annual meeting will be held on
April 20, 1999 at the time and place and for the purposes set forth in the
accompanying notice of annual meeting of shareholders.

         This proxy statement, the proxy, and notice of annual meeting of
shareholders are first being provided to shareholders on or about March 15,
1999.

         The shareholders of the common stock of the Corporation ("Common
Stock") as of the close of business on February 26, 1999 will be entitled to be
present and to vote at the meeting. Each share is entitled to one (1) vote on
each matter to be voted upon at the meeting. On February 26, 1999, there were
27,723,587 shares of Common Stock outstanding and entitled to vote. The
Corporation has no other class of stock issued and outstanding at this time that
is entitled to vote at the meeting. The board of directors requests that you
execute and return the proxy promptly, whether or not you plan to attend the
meeting. Any proxy may be revoked by the person giving it at any time prior to
its being exercised by giving written notice of such revocation to the secretary
of the Corporation, by executing a later dated proxy or by voting in person at
the annual meeting.

         The shares represented by properly executed proxies will be voted in
accordance with the instructions provided therein and where no instructions are
given, will be voted in favor of the election of the Class I nominees identified
herein. For purposes of determining the number of votes cast with respect to the
election of directors, only those cast "for" are included. Withheld votes are
counted only for purposes of determining whether a quorum is present at the
annual meeting.

         The costs of soliciting proxies will be borne by the Corporation. The
solicitation of proxies will be made primarily by mail. The Corporation has,
however, retained the firm of Kissel-Blake Inc., specialists in proxy
solicitation, to solicit proxies on its behalf from brokers, bank nominees, and
other institutional holders of its stock at an anticipated cost of $7,500.00
plus certain out-of-pocket expenses. Proxies may also be solicited by directors,
officers, and other employees of the Corporation and its subsidiaries
personally, and by telephone, facsimile, or other means. No additional
compensation will be paid to directors, officers, or employees for any such
solicitation nor is any such solicitation expected to result in more than a
minimal cost to the Corporation. Arrangements may also be made directly by the
Corporation with banks, brokerage houses, custodians, nominees, and fiduciaries
to forward solicitation material to the beneficial owners of stock held of
record by them and to obtain authorization for the execution of proxies. The
Corporation may reimburse such institutional holders for reasonable expenses
incurred by them in connection therewith.

         The persons named in the proxy to represent shareholders who are
present by proxy at the meeting are Victor E. George and William C. Shedd.




                                       3
<PAGE>   4



                 SECURITY OWNERSHIP OF CERTAIN BENEFICIAL OWNERS

         The table below includes all of the shareholders of the Corporation
known by the Corporation to beneficially own more than five percent of its
Common Stock as of December 31, 1998.
<TABLE>
<CAPTION>
                                                                                                                     
                                                                                                                     COMMON STOCK
                                                                                                                     BENEFICIALLY 
                                                                                                                      OWNED AS A
                        COMMON STOCK                                                                                  PERCENTAGE
                        BENEFICIALLY             INVESTMENT POWER                       VOTING POWER                      OF
NAME AND ADDRESS OF       OWNED            ----------------------------         -------------------------------       OUTSTANDING
BENEFICIAL OWNER                           SOLE       SHARED       NONE         SOLE        SHARED         NONE      COMMON STOCK
                                                                                            

<S>                     <C>            <C>          <C>        <C>           <C>           <C>          <C>             <C>   
Citizens Bank            
328 S. Saginaw St  
Flint, Michigan
48502(1)                4,249,869       988,551     659,005    2,602,313      1,676,215    1,719,554    854,100          15.12%

CenTra, Inc. 
12225 Stephens
Warren, Michigan
48089(2)                2,973,005     2,869,870     103,135          -0-      2,869,870      103,135        -0-          10.58%

</TABLE>

- - ---------------- 
(1) As sole or co-fiduciary, Citizens Bank will generally vote the shares held
    by it in trusts or estates in which the indenture creating the same
    specifically grants such power. Shares held in all other trusts or estates
    in which the bank acts as co-fiduciary will generally be voted by the other
    co-fiduciary or by the bank at the direction of such co-fiduciary.
        
(2) The information furnished for CenTra, Inc. is based upon data which have
    been supplied to the Corporation by CenTra, Inc. As set forth in the table,
    CenTra, Inc. shares investment and voting power with respect to 103,135
    shares. Such powers are shared with the Manuel J. Moroun Trust under
    agreement dated March 4, 1977, for the benefit of Manuel J. Moroun.
        




                                       4
<PAGE>   5


                        SECURITY OWNERSHIP OF MANAGEMENT

         The following table sets forth the number of shares of the
Corporation's Common Stock beneficially owned as of December 31, 1998, together
with the percentage of the outstanding shares which such ownership represents,
by (i) each director and nominee for election to the board of directors, (ii)
each executive officer named in the Summary Compensation Table under "Executive
Compensation" and (iii) all directors and executive officers of the Corporation
as a group. The information with respect to directors and executive officers has
been obtained from the respective individuals and is reported in accordance with
the beneficial ownership rules of the Securities and Exchange Commission (the
"Commission") under which a person may be deemed to be the beneficial owner of a
security if such person has or shares voting power or investment power with
respect to such security or has the right to acquire such ownership within the
next 60 days. Accordingly, the amounts shown in the following table do not
purport to represent beneficial ownership for any purpose other than compliance
with the Commission's reporting requirements.

<TABLE>
<CAPTION>


                                                                                                           COMMON STOCK BENEFICIALLY
                                             COMMON STOCK                                                   OWNED AS A PERCENTAGE OF
                                         BENEFICIALLY OWNED AS                                              OUTSTANDING COMMON STOCK
                                         OF DECEMBER 31, 1998      SOLE VOTING AND      SHARED VOTING AND   AS OF DECEMBER 31, 1998
                 NAME                                             DISPOSITIVE POWER     DISPOSITIVE POWER
<S>                                           <C>                    <C>                     <C>                         <C> 
Edward P. Abbott(1)                              23,648                 23,511                   137                       *
Hugo E. Braun Jr.(1)                             25,704                 25,704                   ---                       *
Jonathan E. Burroughs II(1)(2)                  310,429                264,800                45,629                      1.1%
Nicholas J. Cilfone(3)                          137,789                109,604                28,185                       *
Joseph P. Day(1)                                  6,765                  6,765                   ---                       *
Gary P. Drainville(4)                           129,752                129,752                   ---                       *
John W. Ennest(5)                               296,066                296,066                   ---                      1.1%
Lawrence O. Erickson(1)                         437,344                  6,000               431,344                      1.6%
Victor E. George(1)                              10,938                 10,938                   ---                       *
William J. Hank(6)                              291,843                140,298               151,545                      1.0%
Stephen J. Lazaroff(7)                           31,049                 27,749                 3,300                       *
William F. Nelson Jr.(1)                         15,678                 12,966                 2,712                       *
Wayne G. Schaeffer(8)                           151,739                131,216                20,523                       *
Gerald Schreiber(9)                              13,982                 13,982                   ---                       *
William C. Shedd(1)                              14,316                  7,283                 7,033                       *
James E. Truesdell Jr.(1)                        43,263                 43,263                   ---                       *
Robert J. Vitito(10)                            400,439                318,012                82,426                      1.4%
Ada C. Washington(11)                             3,228                  3,228                   ---                       *
Charles R. Weeks(12)                            176,827                170,370                 6,457                       *
Kendall B. Williams(1)                            7,307                  6,348                   958                       *
James L. Wolohan(12)(13)                         23,691                 12,000                11,691                       *

All Directors, Director Nominees and          2,883,899              2,082,144               801,755                     10.3%
Executive Officers as a Group (27) (14)
</TABLE>

  * Represents holdings of less than one percent.

(1) Includes 6,000 exercisable options to purchase Common Stock which were
    granted pursuant to the provisions of the Stock Option Plan for Directors.

(2) The shares shown for Mr. Burroughs II, include: 42,591 shares held in the
    Burroughs' Memorial Trust, to which Mr. Burroughs II serves as one of 5
    trustees. Mr. Burroughs II disclaims beneficial ownership of such shares.


    

                                       5
<PAGE>   6

(3)  Includes 98,698 exercisable options to purchase Common Stock.

(4)  Includes 99,381 exercisable options to purchase Common Stock.

(5)  Includes 211,967 exercisable options to purchase Common Stock.

(6)  Includes 4,500 exercisable options to purchase Common Stock which were
     granted pursuant to the provisions of the Stock Option Plan for Directors.

(7)  Includes 1,500 exercisable options to purchase Common Stock which were
     granted pursuant to the provisions of the Stock Option Plan for Directors.

(8)  Includes 114,129 exercisable options to purchase Common Stock.

(9)  Includes 3,000 exercisable options to purchase Common Stock which were
     granted pursuant to the provisions of the Stock Option Plan for Directors.

(10) Includes 270,506 exercisable options to purchase Common Stock.

(11) Includes 1,500 exercisable options to purchase Common Stock which were
     granted pursuant to the provisions of the Stock Option Plan for Directors.

(12) Includes 3,000 exercisable options to purchase Common Stock which were
     granted pursuant to the provisions of the Stock Option Plan for Directors.

(13) The shares shown for Mr. Wolohan includes 11,691 shares held by the Wolohan
     Family Foundation to which Mr. Wolohan serves as a trustee. Mr. Wolohan
     disclaims beneficial ownership of such shares.

(14) The directors, director nominees and executive officers disclaim beneficial
     ownership of 260,735 of these shares. Also, of the 2,883,899 shares shown
     as being beneficially owned by such group, 1,153,733 represent exercisable
     options to purchase Common Stock.

                              ELECTION OF DIRECTORS

         In accordance with the Corporation's restated articles of
incorporation, the board of directors is divided into three classes. Each year,
on a rotating basis, the terms of office of the directors in one of the three
classes will expire. Successors to the class of directors whose terms have
expired will be elected for a three-year term. The directors whose terms expire
at the 1999 annual meeting of shareholders ("Class I directors") are Edward P.
Abbott, Hugo E. Braun Jr., Jonathan E. Burroughs II, Lawrence O. Erickson,
William J. Hank, and Robert J. Vitito. All of the current Class I directors have
previously been elected as directors by the shareholders. The board of directors
has nominated each of these individuals for re-election as Class I directors at
the 1999 annual meeting of shareholders. The term for the Class I directors will
expire at the 2002 annual meeting of shareholders or upon the election and
qualification of their successors. If any of the nominees should be unable to
serve, the proxies may be voted for the election of such other person or persons
as the board of directors may recommend or the number of directors will be
automatically reduced by the number of nominees unable to serve if no substitute
is recommended by the board of directors.

         Six nominees will be elected as Class I directors at the 1999 annual
meeting of shareholders. On the basis of information presently available to the
board of directors, only the six persons named above as nominees will be
nominated for election as directors. SHARES REPRESENTED BY PROXIES IN THE
ACCOMPANYING FORM WILL BE VOTED FOR THE ELECTION OF SUCH NOMINEES UNLESS A
CONTRARY DIRECTION IS INDICATED. The affirmative vote of a majority of the votes
cast at the meeting is required for election. THE BOARD OF DIRECTORS UNANIMOUSLY
RECOMMENDS A VOTE FOR EACH OF THE NOMINEES.



    


                                       6
<PAGE>   7

         The name and age of each nominee and incumbent director, positions and
offices currently held with the Corporation and its subsidiaries, his or her
five-year business experience, and the year each became a director of the
Corporation, according to information furnished by such nominees and incumbent
directors, are set forth below.

<TABLE>
<CAPTION>


                                                      CLASS I
                                         NOMINEES TO SERVE THREE (3) YEARS


                                                                                            BUSINESS EXPERIENCE DURING THE
                                                                                            PAST FIVE YEARS, DIRECTORSHIPS
                                                                             SERVED          IN CERTAIN CORPORATIONS, AND
                                                                          CONTINUOUSLY      PRINCIPAL OCCUPATION IF OTHER
                                          POSITIONS AND OFFICES WITH     AS A DIRECTOR        THAN CURRENT POSITION WITH
        NAME                    AGE    CORPORATION AND ITS SUBSIDIARIES  OF CORPORATION    CORPORATION AND ITS SUBSIDIARIES

<S>                              <C>   <C>                                     <C>       <C>                                 
Edward P. Abbott                 59    Director of Corporation and             1982      President and Chief Executive
                                       Director of Citizens Bank.                        Officer, Abbott's Meat, Inc., a
                                                                                         wholesale and retail meat
                                                                                         distributor.
Hugo E. Braun Jr.                66    Director of Corporation and             1986      Attorney & Partner, Braun Kendrick
                                       Director of Citizens Bank.                        Finkbeiner; Director, Wolohan
                                                                                         Lumber Co.
Jonathan E.                      56    Director of Corporation.                1986      President, JEB Enterprises, an
    Burroughs II                                                                         investment consulting firm.
Lawrence O. Erickson             63    Director of Corporation.                1993      Chief Executive Officer, Four-Way
                                                                                         Tool & Die, Inc., an engineering
                                                                                         consulting firm for metal stamping
                                                                                         fabrication and tool manufacturing.
William J. Hank                  66    Director of Corporation and             1987      Chairman and Chief Executive
                                       Director of Citizens Bank -                       Officer, Farnham Investments Group;
                                       Illinois, N.A.                                    Retired Executive Vice President of
                                                                                         the Corporation; Retired Chairman
                                                                                         of the Board, Citizens Bank -
                                                                                         Illinois, N.A.

Robert J. Vitito                 56    President, Chief Executive              1991
                                       Officer and Director of
                                       Corporation; Chairman of the
                                       Board, President and Chief
                                       Executive Officer of Citizens
                                       Bank.


</TABLE>


                                       7
<PAGE>   8





                                    CLASS II
                  CONTINUING DIRECTORS - TERM EXPIRING IN 2000

<TABLE>
<CAPTION>




                                                                                              BUSINESS EXPERIENCE DURING THE
                                                                                              PAST FIVE YEARS, DIRECTORSHIPS
                                                                             SERVED             IN CERTAIN CORPORATIONS, AND
                                                                        CONTINUOUSLY AS        PRINCIPAL OCCUPATION IF OTHER
                                        POSITIONS AND OFFICES WITH       A DIRECTOR OF           THAN CURRENT POSITION WITH
        NAME                 AGE     CORPORATION AND ITS SUBSIDIARIES     CORPORATION        CORPORATION AND ITS SUBSIDIARIES

<S>                          <C>     <C>                                      <C>         <C>                                      
Joseph P. Day                 59     Director of Corporation and              1992        President, Banner Engineering & Sales,
                                     Director of Citizens Bank.                           Inc., a combustion engineering and
                                                                                          manufacturing firm.

John W. Ennest                56     Vice Chairman of the Board,              1991
                                     Chief Financial Officer, and
                                     Treasurer of Corporation; Vice
                                     Chairman of the Board and Chief
                                     Financial Officer, Citizens
                                     Bank; Chairman of the Board,
                                     Citizens Bank - Illinois, N.A.

Victor E. George              67     Director of Corporation and              1982        Chairman of the Board, Victor George
                                     Director of Citizens Bank.                           Oldsmobile, Inc., an automobile
                                                                                          dealership.

Gerald Schreiber              64     Director of Corporation.                 1997        Vice President - Sales, Royalite Co.,
                                                                                          an electrical wholesale distributor.

Ada C. Washington             48     Director of Corporation and              1997        Community Volunteer.
                                     Director of Citizens Bank.

James L. Wolohan              47     Director of Corporation and              1997        Chairman, President and Chief
                                     Director of Citizens Bank.                           Executive Officer of Wolohan Lumber
                                                                                          Co.,  a retailer of lumber, building
                                                                                          materials and home improvement products;
                                                                                          Director, Jacobson Stores, Inc.
</TABLE>



                                       8
<PAGE>   9


                                    CLASS III
                  CONTINUING DIRECTORS - TERM EXPIRING IN 2001

<TABLE>
<CAPTION>



                                                                                             BUSINESS EXPERIENCE DURING THE
                                                                                              PAST FIVE YEARS, DIRECTORSHIPS
                                                                              SERVED           IN CERTAIN CORPORATIONS, AND
                                                                           CONTINUOUSLY       PRINCIPAL OCCUPATION IF OTHER
                                           POSITIONS AND OFFICES WITH      AS A DIRECTOR        THAN CURRENT POSITION WITH
        NAME                      AGE          CORPORATION AND ITS        OF CORPORATION    CORPORATION AND ITS SUBSIDIARIES
                                                  SUBSIDIARIES
<S>                               <C>    <C>                                    <C>        <C>                               
Stephen J. Lazaroff               45     Director of Corporation.               1997       President, Diversified Precision
                                                                                           Products, Inc., a special cutting
                                                                                           tool manufacturer serving the
                                                                                           automotive and hydraulic fittings
                                                                                           industries.

William F. Nelson Jr.             65     Director of Corporation.               1986       President, Director, and Owner,
                                                                                           William F. Nelson Electric, Inc.,
                                                                                           an electrical contractor for
                                                                                           commercial and industrial
                                                                                           businesses.

William C. Shedd                  59     Director of Corporation and            1982       Attorney and Partner, Winegarden,
                                         Director of Citizens Bank.                        Shedd, Haley, Lindholm & Robertson.

James E. Truesdell Jr.            68     Director of Corporation and            1982       President-Secretary, J. Austin Oil
                                         Director of Citizens Bank.                        Company of Flint, Inc., an
                                                                                           investment and real estate
                                                                                           development firm.

Charles R. Weeks                  64     Chairman of the Board of               1982       Retired President and Chief
                                         Corporation and Director of                       Executive Officer of the
                                         Citizens Bank.                                    Corporation; Director, Wolohan
                                                                                           Lumber Co.

Kendall B. Williams               46     Director of Corporation and            1992       Attorney and Counselor,
                                         Director of Citizens Bank.                        The Williams Firm, P.C.
                                                                                           Previously an attorney with Gault
                                                                                           Davison, P.C. from January 1980 to
                                                                                           September 1997.

</TABLE>

                                       9





<PAGE>   10


                              MEETINGS OF DIRECTORS

         During calendar year 1998, 4 regular meetings and 3 special meetings of
the board of directors of the Corporation were held. During such period, all
incumbent directors attended at least 75% of the aggregate of the number of
meetings of the board of directors and the number of meetings held by the
committees on which they serve.


                      COMMITTEES OF THE BOARD OF DIRECTORS

         The Corporation has several committees on which members of the board of
directors serve, including an audit committee, a compensation and human
resources committee, and a directors nominating committee. The audit committee
meets quarterly and on call when needed, and the compensation and human
resources committee and directors nominating committee meet on call.

         The AUDIT COMMITTEE met 4 times during 1998 and is currently comprised
of the following outside directors: James E. Truesdell Jr., chairman; Edward P.
Abbott; Joseph P. Day; William F. Nelson Jr.; and Gerald Schreiber. The
responsibilities of the committee include oversight of the internal accounting
controls for and internal audit function of the Corporation and its
subsidiaries; recommending to the board of directors the independent auditors to
be retained to conduct the annual audit of the Corporation; reviewing the annual
audit plan with the independent auditors and the internal auditors; serving as
the Compliance Review Committee pursuant to the provisions of the Corporation's
compliance policy; and reviewing the financial results and the results of the
internal and independent audits of the Corporation.

         The COMPENSATION AND HUMAN RESOURCES COMMITTEE met 3 times during 1998
and is currently comprised of the following directors: Hugo E. Braun Jr.,
chairman; Lawrence O. Erickson; Victor E. George; James E. Truesdell Jr.; and
Kendall B. Williams. The responsibilities of the committee include approval of
all aspects of corporate executive compensation and administration of the
Corporation's compensation and benefits plans.

         The DIRECTORS NOMINATING COMMITTEE met 1 time during 1998 and is
currently comprised of the following directors: Charles R. Weeks, chairman; Hugo
E. Braun Jr.; Jonathan E. Burroughs II; Victor E. George; Stephen J. Lazaroff;
and Robert J. Vitito. The responsibilities of the committee are: to determine a
desirable balance of expertise among board members; to identify qualified
candidates to fill board positions; to provide aid in attracting qualified
candidates to the board of directors; to recommend the slate of director
nominees to the board of directors for inclusion in the Corporation's proxy
statement for election by the shareholders at the annual meetings; to consider
director nominees proposed by shareholders; and to handle such other matters as
may be properly delegated to the committee by the board of directors.
Shareholders proposing director nominees at any annual meeting of shareholders
shall provide written notice in accordance with the bylaws of such intention to
the secretary of the Corporation at least ninety days prior to an annual
shareholders meeting for which such nominations are proposed and with respect to
an election to be held at a special meeting of shareholders, such notices must
be given by the close of business on the seventh day following the date on which
notice of such meeting is first given to shareholders.


                                       10

<PAGE>   11





                            COMPENSATION OF DIRECTORS

         During 1998, directors of the Corporation (with the exception of Mr.
Weeks who has a separate arrangement as described below) were paid an annual
retainer of $9,000 plus the sum of $900 for attendance at each meeting of the
board of directors. Non-officer directors were paid $600 for each committee
meeting attended with the exception of the committee chairpersons who were paid
$900. Committee member directors who are also employees of the Corporation do
not receive fees for committee meeting attendance.

         The Corporation also maintains the Stock Option Plan for Directors.
Annually during the ten year term of the Plan, each nonemployee director serving
on the board of directors immediately following the annual meeting of
shareholders will receive an automatic grant of a non-qualified stock option to
purchase 1,500 shares of Common Stock at an exercise price equal to the fair
market value per share of Common Stock on the date of the annual meeting of
shareholders. Each such option will become exercisable six months following the
grant date and expire five years after grant. On April 21, 1998, pursuant to the
Plan, nonemployee directors received a stock option grant to purchase 1,500
shares of Common Stock of the Corporation at an exercise price of $36.31 per
share.

         In April 1996, the Corporation entered into a contractual arrangement
with Mr. Weeks, pursuant to which he agreed to serve as chairman of the board of
the Corporation and as chairman of the executive and nominating committees of
the Corporation's board of directors. Pursuant to such arrangement, which will
terminate in April of this year, Mr. Weeks is paid an annual fee of $212,180
which is paid in quarterly installments and which is inclusive of any other
annual retainer or meeting fees otherwise normally paid to directors of the
Corporation. In addition to such fee, Mr. Weeks is entitled to be reimbursed by
the Corporation for reasonable out-of-pocket expenses incurred in his capacity
as chairman upon presentation of an appropriate accounting to the Corporation.




                                       11
<PAGE>   12






                               EXECUTIVE OFFICERS

         The following information is provided for those officers currently
designated as executive officers by the Corporation's board of directors and
includes the president, chief financial officer, controller, and secretary of
the Corporation, officers of the Corporation who are in charge of principal
business units, divisions or functions, and officers of the Corporation or its
subsidiaries who perform significant policy making functions for the
Corporation.

<TABLE>
<CAPTION>
                                                                                                  YEAR BECAME
                                                                                             EXECUTIVE OFFICER OF
        NAME                      AGE              FIVE-YEAR BUSINESS EXPERIENCE                THE CORPORATION

<S>                               <C>    <C>                                                           <C> 
Richard T. Albee                  55     Executive Vice President of Citizens Bank                     1996
                                         (December 1997 to present); Senior Vice
                                         President of Citizens Bank (April 1994 to
                                         present).  Also served as President of former
                                         subsidiary bank of the Corporation which was
                                         consolidated with Citizens Bank (January 1988 to
                                         April 1994).

Daniel E. Bekemeier               42     Senior Vice President and Controller of Citizens              1996
                                         Bank (April 1995 to present); Vice President and
                                         Controller of Citizens Bank (September 1989 to
                                         April 1995).

Nicholas J. Cilfone               48     Senior Vice President of Corporation (August                  1985
                                         1988 to present); Executive Vice President of
                                         Citizens Bank (June 1996 to present).  Also
                                         served as Executive Vice President of former
                                         subsidiary bank of the Corporation which was
                                         consolidated with Citizens Bank (October 1991 to
                                         June 1996).

Gary P. Drainville                49     Executive Vice President of Corporation and of                1985
                                         Citizens Bank (December 1993 to present);
                                         Director of Human Resources of Corporation and
                                         of Citizens Bank (December 1985 - June 1996).

John W. Ennest                    56     Vice Chairman of the Board of Corporation                     1983
                                         (October 1991 to present); Chief Financial
                                         Officer and Treasurer of Corporation (July 1994
                                         to present); Vice Chairman of the Board and
                                         Chief Financial Officer of Citizens Bank (June
                                         1996 to present) Chairman of the Board, Citizens
                                         Bank - Illinois, N.A. (August 1992 to present).

</TABLE>      

                                       12
<PAGE>   13
<TABLE>
<CAPTION>


                                                                                                    
                                                                                                  YEAR BECAME
                                                                                             EXECUTIVE OFFICER OF
        NAME                      AGE              FIVE-YEAR BUSINESS EXPERIENCE                THE CORPORATION

<S>                               <C>    <C>                                                           <C> 
Thomas W. Gallagher               46     Senior Vice President of Corporation (July 1993               1989
                                         to present); General Counsel of Corporation
                                         (August 1988 to present); Secretary of
                                         Corporation (January 1989 to present); Senior
                                         Vice President, General Counsel and Secretary of
                                         Citizens Bank (August 1988 to present).

Wayne G. Schaeffer                52     Executive Vice President of Corporation                       1987
                                         (December 1993 to present); Chief Financial
                                         Officer and Treasurer of Corporation (August
                                         1988 - July 1994); President - Flint, Citizens
                                         Bank (June 1996 to present); Senior Executive
                                         Vice President and Chief Operating Officer,
                                         Citizens Bank (July 1994 - June 1996); Chief
                                         Financial Officer, Citizens Bank (December 1985
                                         - July 1994); Executive Vice President, Citizens
                                         Bank (December 1993 - July 1994).

Thomas C. Shafer                  40     Executive Vice President of Citizens Bank (June               1996
                                         1996 to present); Senior Vice President
                                         of Citizens Bank (November 1994 to June
                                         1996); City President, Michigan
                                         National Bank - Flint (April 1992 to
                                         November 1994)
                                         .
James M. VanTiflin                51     President - Saginaw, Citizens Bank (June 1996 to              1996
                                         present); President and Chief Executive Officer
                                         of former subsidiary bank of the Corporation
                                         which was consolidated with Citizens Bank
                                         (February 1995 to June 1996); Executive Vice
                                         President of Citizens Bank (August 1992 to
                                         February 1995).

Robert J. Vitito                  56     President and Chief Executive Officer of                      1986
                                         Corporation (April 1996 to present); President
                                         and Chief Administrative Officer of Corporation
                                         (July 1994 - April 1996); Executive Vice
                                         President of Corporation (July 1986 - July
                                         1994); Chairman, President and Chief Executive
                                         Officer of Citizens Bank (May 1996 to present);
                                         also served as Chairman of the Board of former
                                         subsidiary bank of the Corporation which was
                                         consolidated with Citizens Bank (January 1987 to
                                         June 1996)

</TABLE>

                                       13
<PAGE>   14


<TABLE>
<CAPTION>

                                                                                                  YEAR BECAME
                                                                                             EXECUTIVE OFFICER OF
        NAME                      AGE              FIVE-YEAR BUSINESS EXPERIENCE                THE CORPORATION

<S>                               <C>    <C>                                                           <C> 
Jack S. Werner                    51     President - Bay City/Midland, Citizens Bank                   1996
                                         (June 1996 to present).  Also served as Chairman
                                         and Chief Executive Officer of former subsidiary
                                         bank of the Corporation which was consolidated
                                         with Citizens Bank (May 1991 to June 1996).

</TABLE>

         Citizens Bank and Citizens Bank - Illinois, N.A. are wholly-owned
subsidiaries of the Corporation.



                                       14
<PAGE>   15
                             EXECUTIVE COMPENSATION

         The following table provides certain summary information concerning
compensation paid or accrued by the Corporation and its subsidiaries, to or on
behalf of the Corporation's Chief Executive Officer and each of the four other
most highly compensated executive officers during 1998 (the "Named Officers") of
the Corporation (determined as of the end of the last fiscal year) for the
fiscal years ended December 31, 1996, 1997, and 1998:

                           SUMMARY COMPENSATION TABLE
<TABLE>
<CAPTION>

- - -----------------------------------------------------------------------------------------------------------------------------------

                                                    ANNUAL COMPENSATION                LONG TERM
                                                                                     COMPENSATION

     NAME AND PRINCIPAL                                                           
           POSITION

                                             ----------------------------------- ----------------------
                                                                                                                ALL OTHER
                                               SALARY ($)         BONUS ($)            OPTIONS/               COMPENSATION(1) ($)
                                     YEAR                                               SARS(#)
- - -------------------------------- ----------- ---------------- ------------------ ---------------------- ---------------------------
<S>                                  <C>         <C>              <C>                  <C>                       <C>  
Robert J. Vitito                     1998        339,999          213,197               62,000                   25,950
President and Chief                  1997        313,000          168,859              110,667                   22,418
    Executive Officer                1996        278,273          143,882               92,433                   20,419

- - -------------------------------- ----------- ---------------- ------------------ ---------------------- ---------------------------
John W. Ennest                       1998        262,850           79,879               20,500                   25,950
Vice Chairman, Treasurer             1997        252,850           94,870               66,580                   23,596
    and Chief Financial              1996        243,148           72,754               55,533                   20,419
    Officer
- - -------------------------------- ----------- ---------------- ------------------ ---------------------- ---------------------------
Wayne G. Schaeffer                   1998        166,500           64,978               17,700                    8,165
Executive Vice President             1997        157,000           70,156               39,870                    7,764
                                     1996        141,476           59,778               31,222                    7,653

- - -------------------------------- ----------- ---------------- ------------------ ---------------------- ---------------------------
Nicholas J. Cilfone                  1998        148,000           58,614               13,500                    7,649
Senior Vice President                1997        139,500           60,535               31,552                    7,383
                                     1996        127,153           51,580               34,489                    6,857
- - -------------------------------- ----------- ---------------- ------------------ --------------------- ----------------------------
Gary P. Drainville                   1998        148,000           58,614              13,500                     7,649
Executive Vice President             1997        139,500           60,535              35,326                     7,383
                                     1996        129,038           51,580              29,619                     6,942
- - -------------------------------- ----------- ---------------- ------------------ --------------------- ----------------------------
</TABLE>

(1) The amounts set forth in the "All Other Compensation" column for 1998
    represent: (i) matching contributions on behalf of the Named Officers to the
    Corporation's Section 401(k) Plan as follows: Mr. Vitito, $7,500, Mr.
    Ennest, $7,500, Mr. Schaeffer, $7,492, Mr. Cilfone, $6,432, and Mr.
    Drainville, $6,432; (ii) insurance payments with respect to term life
    insurance as follows: Mr. Vitito $3,150, Mr. Ennest $3,150, Mr. Schaeffer
    $673, Mr. Cilfone $1,217 and Mr. Drainville $1,217; and (iii) director fees
    in the amount of $15,300 paid to each of Messrs. Vitito and Ennest for
    services as a director of the Corporation.



                                       15
<PAGE>   16
 


                              STOCK OPTION GRANTS

         The following table contains information concerning the grant of stock
options under the Corporation's Third Amended Stock Option Plan (the "Option
Plan") to the Named Officers during 1998:
<TABLE>
<CAPTION>

 ------------------------------------------------------------------------------------------------------------------
                                               OPTION/SAR GRANTS IN LAST FISCAL YEAR

 ------------------------------------------------------------------------------------------------------------------
                                         INDIVIDUAL GRANTS
                                        
 ------------------------------------------------------------------------------------

                         NUMBER OF        % OF TOTAL
                         SECURITIES        OPTIONS/                                        POTENTIAL REALIZABLE
                         UNDERLYING          SARS                                        VALUE AT ASSUMED ANNUAL
                          OPTIONS         GRANTED TO       EXERCISE OR                     RATE OF STOCK PRICE
                           /SARS         EMPLOYEES IN      BASE PRICE      EXPIRATION        APPRECIATION FOR
         NAME           GRANTED (#)      FISCAL YEAR         ($/SH)           DATE             OPTION TERM(1)
                                                                                             -----------------
                                                                                               5%($) 10%($)
 ------------------------------------------------------------------------------------------------------------------

<S>                      <C>               <C>                <C>           <C>            <C>           <C>      
 R.J. Vitito             62,000(2)         19.34%             35.63         05/21/2008     1,389,071     3,520,179


 J.W. Ennest             20,500(2)          6.39%             35.63         05/21/2008       459,290     1,163,930


 W.G. Schaeffer          17,700(2)          5.52%             35.63         05/21/2008       396,557     1,004,954


 N.J. Cilfone            13,500(2)          4.21%             35.63         05/21/2008       302,459       766,491


 G.P. Drainville         13,500(2)          4.21%             35.63         05/21/2008       302,459       766,491
 ------------------------------------------------------------------------------------------------------------------
</TABLE>


(1) Such "potential realizable values" represent the value of such options at
    the end of their term, assuming a 5% and 10% appreciation in the price of
    the Common Stock compounded annually over the term without discounting for
    inflation. The actual value of such options is dependent upon actual
    appreciation in the market price of the Common Stock during the term of the
    options.

(2) These stock options are non-qualified stock options granted pursuant to the
    Option Plan. The options are exercisable in whole or in part during the term
    thereof once vested, beginning November 21, 1998. Generally, such options
    will become 100% vested after 5 years from the date of grant or earlier on a
    graduated basis in accordance with a pre-determined option vesting schedule.
    Such vesting schedule is based upon a rolling 4 quarter earnings per share
    ("EPS") target for the Corporation with a minimum vesting of 6% upon the
    Corporation's achieving an average EPS of $1.89 and a 100% vesting upon the
    Corporation's achieving an average EPS of $2.34.


                                       16
<PAGE>   17





OPTION/SAR EXERCISES AND HOLDINGS

         The following table provides information, with respect to the Named
Officers, about the exercise of options and/or SARs during the last fiscal year,
and the unexercised options and SARs held as of the end of the fiscal year:

               AGGREGATED OPTION/SAR EXERCISES IN LAST FISCAL YEAR
                      AND FISCAL YEAR-END OPTION/SAR VALUES

<TABLE>
<CAPTION>

- - -------------------------------------------------------------------------------------------------------------------
                                                          NUMBER OF SECURITIES
                         SHARES                          UNDERLYING UNEXERCISED          VALUE OF UNEXERCISED
                      ACQUIRED ON        VALUE           OPTIONS/SARS AT FISCAL       IN-THE-MONEY OPTIONS/SARS
       NAME           EXERCISE (#)   REALIZED ($)              YEAR END (#)              AT FISCAL YEAR END ($)
                                                           --------------------          -------------------
                                                       EXERCISABLE UNEXERCISABLE              EXERCISABLE
                                                                                             UNEXERCISABLE
- - -------------------------------------------------------------------------------------------------------------------

<S>                      <C>           <C>              <C>               <C>          <C>                 <C>
R.J. Vitito              20,518        541,197          270,506           46,500       3,847,176           -0-
J.W. Ennest              13,584        323,189          211,967           15,375       3,638,922           -0-
W.G. Schaeffer            4,800        137,600          114,129           13,275       1,812,795           -0-
N.J. Cilfone              9,000        258,805           98,698           10,125       1,644,722           -0-
G.P. Drainville             -0-            -0-           99,380           10,126       1,622,770           -0-

- - -------------------------------------------------------------------------------------------------------------------
</TABLE>


PENSION PLANS

         The following table shows the estimated annual pension benefits payable
to the Named Officers at normal retirement age(1) under the Corporation's
qualified defined benefit pension plan, based on remuneration that is covered
under the plan and years of service with the Corporation and its subsidiaries:

                                       PENSION PLAN TABLE
<TABLE>
<CAPTION>


          ------------------------------------------------------------------------------------------------
                                                                                                          
                                                     YEARS OF CREDITED SERVICE                           
                                                     -------------------------                           
          REMUNERATION(2)                                                                               
                                      15            20             25             30             35      
          ------------------------------------------------------------------------------------------------

                <S>                <C>           <C>             <C>            <C>             <C>         
                $125,000           $29,000       $39,000         $49,000        $59,000         $69,000
                 150,000            36,000        48,000          60,000         72,000          84,000
                 175,000            43,000        57,000          71,000         86,000         100,000
                 200,000            50,000        66,000          83,000         99,000         116,000

          ------------------------------------------------------------------------------------------------

</TABLE>

(1) Normal retirement age for the Named Officers is age 65.

(2) The law in effect throughout calendar year 1998 limits remuneration
    considered for benefit purposes to $160,000. Messrs. Vitito and Ennest have
    supplemental plans that pay benefits based upon earnings in excess of the
    pension plan limitations, which plans are described below.


                                       17
<PAGE>   18



         A participant's remuneration covered by the Corporation's pension plan
is his or her "average monthly compensation," which is computed over the 60
consecutive months of the participant's last 120 months in which he or she
received the greatest compensation, multiplied by 12 months. For this purpose,
compensation is defined as the participant's base salary, exclusive of bonuses,
overtime, and fringe benefits, but includes the participant's 401(k) salary
reduction contributions. Covered remuneration for the named executives as of the
end of the last calendar year is $160,000 for Messrs. Vitito and Ennest,
$141,243 for Mr. Schaeffer, $131,262 for Mr. Cilfone and $129,976 for Mr.
Drainville. The estimated credited years of service for each named executive is
as follows: Mr. Vitito, 31; Mr. Ennest, 16; Mr. Schaeffer, 15; Mr. Cilfone, 15;
and Mr. Drainville, 13. Benefits are computed as a straight single life annuity
beginning at normal retirement age and are not subject to offset for social
security or other benefits.

         The Corporation has an agreement with Mr. Vitito and Mr. Ennest which
provides that they shall be entitled to receive a retirement benefit at age 65
equal to 60%, and 50%, respectively, of their average annual base salary over
the consecutive 60-month period in which they received the highest compensation
during their final 120 months of employment with appropriate percentage
reductions in the event of retirement before age 65. That portion of the
retirement benefit not covered by the Corporation's pension plan and social
security are covered by a supplemental retirement benefits plan. Under the
combined plans, the estimated annual benefits payable to Mr. Vitito and Mr.
Ennest upon retirement at age 65 would be approximately $263,638 and $198,787
respectively.

CHANGE-IN-CONTROL AGREEMENTS

         The Corporation has entered into change-in-control agreements with each
of the Named Officers. Each agreement provides severance benefits to the Named
Officer if there is a change-in-control of the Corporation and the Named
Officer's employment with the Corporation is actually or constructively
terminated within twenty-four (24) months thereafter. A "change-in-control" of
the Corporation is generally defined as the acquisition by any person or group
of 20% or more of the outstanding Common Stock in a transaction which has not
been approved by a majority of the board of directors, a liquidation or
dissolution of the Corporation, a sale of substantially all of the assets of the
Corporation, or a merger, consolidation or combination in which the Corporation
is not the survivor or, under certain circumstances, a change in the majority of
the members of the board of directors within a two-year period. A Named
Officer's employment is deemed to have been constructively terminated following
a change-in-control if (i) there is a significant reduction in the scope of the
Named Officer's authority or in the extent of such Officer's powers, functions,
duties or responsibilities, or (ii) there is a reduction in the Named Officer's
rate of compensation, or (iii) fringe benefits are not provided to such Named
Officer on a basis commensurate with other executives of the Corporation, or
(iv) there are changes in the Named Officer's responsibilities which would
require moving such Officer's job location outside of lower Michigan.

         Each Agreement continues until two years after a change-in-control of
the Corporation and generally provides severance benefits of a lump-sum payment
equal to two years salary and bonus plus medical, dental and life insurance
coverage for a period of eighteen months. Further, each Agreement provides for
additional payments to make the Named Officer whole, on an after-tax basis, for
any excise tax imposed by Section 4999 of the Internal Revenue Code. Any Named
Officer whose employment is terminated and who thereafter receives the benefits
provided under such change-in-control agreement may not, for a period of
twenty-four months following termination of employment, accept employment,
consult for or otherwise assist any other financial institution which conducts
business from a location within fifty (50) miles of any location of the
Corporation or its subsidiary banks.


                                       18
<PAGE>   19

                   COMPENSATION AND HUMAN RESOURCES COMMITTEE
                        REPORT ON EXECUTIVE COMPENSATION

         The compensation and human resources committee of the board of
directors of the Corporation (the "Committee") consists of five directors who
are not employed by the Corporation and are not eligible to participate in any
of the Corporation's benefit plans other than the Stock Option Plan for
Directors. The following report is submitted by the Committee.


OVERVIEW AND PHILOSOPHY

         The Committee, pursuant to authority delegated by the board of
directors of the Corporation, is responsible for determining and implementing
compensation and benefit systems for executive officers and other employees of
the Corporation. The Committee determines the annual salaries and other
compensation for executive officers based upon recommendations from the
Corporation's president and chief executive officer, as well as information from
the Corporation's human resources department and independent outside
consultants. With respect to the compensation of the Corporation's president and
chief executive officer, in addition to the utilization of the Corporation's
human resources department and independent outside consultants, the
Corporation's chairman and other members of the board of directors provide input
and recommendations. The Committee's determinations relating to executive
compensation are intended to:

         *        align the financial interests of the executive officers with
                  the long-term interests of the Corporation's shareholders;

         *        attract and retain high performing executive officers to lead
                  the Corporation to greater levels of profitability; and

         *        motivate executive officers to attain the Corporation's
                  performance goals by placing a significant portion of such
                  officers' financial reward at risk relative to achievement of
                  Corporate goals.

         In furtherance of these objectives, the compensation package structured
for the Corporation's executive officers has three primary components: base
compensation (including salary, pension and welfare benefits and perquisites),
annual cash awards under the Management Incentive Plan ("MIP") for performance
during the year, and long term, stock-based compensation generally awarded under
the Corporation's Third Amended Stock Option Plan (the "Option Plan").


                                       19
<PAGE>   20



BASE COMPENSATION

          Given the Committee's continuing emphasis on performance-based
long-term and short-term compensation, base compensation for executive officers
has been established by the Committee at competitive levels based upon
information available to the Committee relating to compensation for
corresponding executive positions at similarly situated financial institutions.
Executive officer salaries are evaluated by the Committee on a periodic basis
utilizing information from independent outside compensation consultants, the
Corporation's human resources department, and input from the Corporation's
president and chief executive officer. Input from the Corporation's chairman and
other members of the board of directors is utilized with respect to the salary
of the president and chief executive officer. To determine the actual base
salary for each executive officer, the Committee also takes into account
individual performance, experience, and unique contributions or needs for
certain expertise required by the Corporation.

         Base Compensation of Chief Executive Officer.

         The Committee reviewed Mr. Vitito's performance for 1997 in December of
that year and awarded him an 8.6% merit increase effective January 1, 1998. In
support of such increase, the Committee first noted that the Corporation had
achieved record earnings in 1997 while continuing to maintain strong credit
quality. Secondly, the Committee noted the Corporation's successful acquisition
of CB Financial Corporation and its subsidiary banks located in Jackson, St.
Johns and Charlevoix, Michigan. With respect to such accomplishment, the
Committee noted that the acquisition had been completed in a timely manner and
that the acquired banks had been efficiently integrated into the Corporation's
Michigan Bank. Finally, with regard to Mr. Vitito's 1997 performance, the
Committee noted the significant undertaking of the Corporation to examine the
data processing and computer operations functions of the Corporation to
determine whether it would be in the best interests of the Corporation to
outsource such functions. With respect to such undertaking, the Committee
recognized the leadership that Mr. Vitito exhibited relative to the
Corporation's decision to outsource such functions.

MANAGEMENT INCENTIVE PLAN

         All of the Corporation's executive officers participate in the MIP. The
MIP is designed to motivate participating officers of the Corporation and its
subsidiaries to attain goals based upon net earnings of the Corporation and its
subsidiaries and the achievement of individual objectives. The amount of an
individual's MIP award is a function of (i) the midpoint of the salary range for
the individual's position, (ii) the "participation rate" established by the
Committee for the individual, (iii) the performance of the Corporation or the
subsidiary for which the individual has or shares responsibility, and (iv) the
extent to which the individual achieved agreed-upon objectives for the year.
Each of these factors is described below.



                                       20

<PAGE>   21



         Midpoint of Salary Range and Participation Rate. As described under
"Base Compensation," the Committee determines a salary range for each executive
officer's position based upon competitive factors. Similarly, the Committee
assigns a "participation rate" to each position based on the same factors
ranging from 15% for lower level executive officers to 40% for the Chief
Executive Officer. The participation rate multiplied by the midpoint of the
individual's salary range is that individual's "Award Base" under the MIP, which
is subject to adjustment based on Corporate and individual performance as
described below.

         Corporate Performance. As a general practice under the MIP, no amounts
will be awarded unless the Corporation's net earnings for the year equal or
exceed: (i) 95% of the profit plan target approved by the Corporation's board of
directors for that year, and (ii) 100% of the previous year's earnings (the
greater of these amounts is referred to as the "Threshold"). Nonrecurring
expenses or income items affecting earnings are evaluated and may be excluded in
the discretion of the Committee from the profit plan earnings calculation to the
extent of management's inability to control such items. Earnings below the
profit plan target, but higher than the Threshold, automatically reduce the
Award Base while earnings above the profit plan target automatically increase
the Award Base. For 1998, the Corporation's net operating earnings significantly
exceeded 1997 earnings (by 16.4%) and were substantially on target with regard
to the 1998 profit plan.

         Individual Objectives. Individual executive performance also affects
the amount of a participant's individual award. Annually, each executive officer
establishes objectives, subject to approval by the officer's supervisor.
Depending upon the extent to which these objectives are achieved during the
year, a participant will be eligible to receive from 0 to 150 percent of the
Award Base, adjusted for Corporate performance as described above.

         Chief Executive Officer Award. Mr. Vitito received an award of $213,197
under the MIP for his 1998 performance on the same basis as the other executive
officers. The primary individual MIP objective of Mr. Vitito was to have the
Corporation's earnings reach the 1998 profit plan target. In evaluating
performance of this objective, the Committee noted that the Corporation's
operating earnings during 1998 significantly exceeded any prior year in its
history and were substantially on target with an aggressive profit plan for
1998. A second objective of Mr. Vitito was to implement the decision of the
board of directors made at the end of 1997 to outsource the data processing and
computer operations of the Corporation to M&I Data Services, a division of
Marshall & Ilsley Corporation ("M&I"). The Committee noted that Mr. Vitito was
charged with the responsibility of implementing all of the data processing and
computer systems conversions by June of 1998. In evaluating performance of this
objective, the Committee noted that the systems conversions were completed in a
timely manner and that all of the various systems were effectively converted to
the M&I platform with an acceptable amount of disruption given the magnitude of
such undertaking. The third significant objective of Mr. Vitito under the MIP
was to install a process within the Corporation which would set the stage to
transform the Corporation into an exemplary sales organization. With respect to
such objective, the Committee noted that Mr. Vitito had participated in and did
oversee a major restructuring of all sales related activities of the
Corporation. Specifically, the Committee noted that during 1998, significant
developments have taken place with respect to the identification of appropriate
sales related competencies, the conducting of sales training, the development of
sales related measurement and compensation systems as well as significant sales
related undertakings in the areas of marketing, communications, operations and
financial reporting. In reaching a determination that Mr. Vitito was entitled to
115% of his Award Base, the Committee concluded that Mr. Vitito had
substantially met the profit plan target for 1998, had successfully overseen the
conversion of the Corporation's computer and data processing systems to the M&I
Data Services systems and had installed a process within the Corporation that
would enable it to become an exemplary sales organization. 



                                       21
<PAGE>   22

LONG-TERM STOCK-BASED COMPENSATION

         The Option Plan provides for a variety of different types of
compensation arrangements, such as stock options, restricted stock, and stock
appreciation rights, which increase in value as the value of the Common Stock
increases. The purpose of these and similar long-term compensation arrangements
is to more closely align the financial interests of executive officers and other
key employees with the long-term interests of the Corporation's shareholders by
linking a significant portion of their compensation directly to stock price
growth or decline.

         In furtherance of such purpose, the Committee generally makes annual
grants to executive officers of stock options with an exercise price equal to
the fair market value of the Common Stock on the date of grant. Such options
vest and generally become exercisable as the Corporation's earnings per share
increases in accordance with a vesting schedule pertaining to such option
grants. The Committee has adopted option grant guidelines to reflect competitive
practices of other similarly situated financial institutions. These guidelines,
implemented by the Committee with the assistance of the Corporation's outside
compensation consultants, employ a modified Black-Scholes option valuation model
to estimate the present value of long-term incentive compensation for
corresponding executive positions at similarly situated and performing financial
institutions. A similar analysis is performed to determine the comparative value
of an option to be awarded under the Option Plan. Based upon this information
and other information concerning compensation practices within the financial
services industry, an appropriate participation rate for each of the executive
officers in the Plan is assigned. The option grant size for each executive
officer is then determined by dividing the product of the position's salary
mid-point and participation rate by the current market price of Common Stock,
subject to being increased or decreased by the Committee based upon its
evaluation of the officer's individual performance.

         Chief Executive Officer Long Term Compensation - Mr. Vitito received an
option grant from the Committee in the amount of 62,000 shares during 1998 in
accordance with the formula described above.

         Deductibility of Executive Compensation. Section 162(m) of the Internal
Revenue Code of 1986, as amended, restricts the deductibility of executive
compensation paid to the Corporation's Chief Executive Officer and any of the
four other most highly compensated executive officers at the end of any fiscal
year to not more than $1,000,000 in annual compensation (including gain from the
exercise of certain stock option grants). Certain performance-based compensation
is exempt from this limitation if it complies with the various conditions
described in Section 162(m). The Option Plan contains a restriction on the
number of options that may be granted which is intended to cause compensation
realized in connection with the exercise of options granted under the Option
Plan to comply with these conditions and be exempt from the Section 162(m)
restriction on deductibility.

         The Committee does not believe that other components of the
Corporation's compensation program are likely to result in payments to any
executive officer in any year which would be subject to the restriction on
deductibility and has concluded that no further action with respect to
qualifying such compensation for deductibility is necessary at this time. The
Committee intends to continue to evaluate from time to time the advisability of
qualifying future executive compensation programs for exemption from the Section
162(m) restriction on deductibility.

HUGO E. BRAUN JR.                                         VICTOR E. GEORGE

LAWRENCE O. ERICKSON                                      JAMES E. TRUESDELL JR.

KENDALL B. WILLIAMS


                                       22
<PAGE>   23
                               SHAREHOLDER RETURN

         Set forth below is a graph which summarizes the cumulative return
experienced by the Corporation's shareholders over the past five years compared
with the S&P 500 Index and the Keefe, Bruyette & Woods, Inc. 50 Bank Index. Such
presentation assumes that the value of the investment in the Corporation's
Common Stock and each index was $100 on December 31, 1993 and that all dividends
were reinvested.


                            Cumulative Total Returns
                       Five Years Ended December 31, 1998

                                     [GRAPH]

                1993    1994    1995    1996    1997    1998
- - ------------------------------------------------------------
Citizens        $100    $115    $127    $139    $235    $235 
KBW 50          $100    $95     $152    $215    $314    $340 
S&P 500         $100    $101    $139    $171    $229    $294
- - ------------------------------------------------------------ 


                                       23
<PAGE>   24
                      COMPENSATION COMMITTEE INTERLOCKS AND
                     CERTAIN TRANSACTIONS AND RELATIONSHIPS

COMPENSATION COMMITTEE INTERLOCKS AND INSIDER PARTICIPATION

         Messrs. Hugo E. Braun Jr., Lawrence O. Erickson, Victor E. George,
James E. Truesdell Jr., and Kendall B. Williams served on the compensation and
human resources committee of the board of directors of the Corporation
throughout the last completed fiscal year. None of these individuals are or have
been employees of the Corporation.

         Committee member Braun is a partner in the law firm of Braun Kendrick
Finkbeiner which rendered legal services during 1998 to the Corporation's
Michigan banking subsidiary, Citizens Bank. Citizens Bank plans to employ this
firm for additional services in 1999.

OTHER TRANSACTIONS WITH OFFICERS AND DIRECTORS

         During 1998 the banking subsidiaries of the Corporation had, and expect
to have in the future, banking transactions, in the ordinary course of business,
with directors, officers and their associates. These transactions were made on
substantially the same terms, including interest rate charges and collateral
requirements, as comparable transactions made with unrelated parties prevailing
at the time of such transactions and did not involve more than the normal risk
of collectability or present other unfavorable features.

         During 1998, the firm of Winegarden, Shedd, Haley, Lindholm &
Robertson, of which director William C. Shedd is a partner, rendered legal
services to Citizens Bank. During the year, Citizens Bank paid that firm
$165,129.90 in legal fees. Citizens Bank expects to employ this firm for
additional services in 1999.


             SECTION 16(A) BENEFICIAL OWNERSHIP REPORTING COMPLIANCE

         Under the securities laws of the United States, the Corporation's
directors, executive officers, and any persons holding more than 10% of the
Common Stock (collectively, the "Reporting Persons") are required to report
their ownership of the Common Stock and any changes in that ownership to the
Commission and to the Nasdaq Stock Market ("Nasdaq"). Specific due dates for
these reports have been established and pursuant to applicable rules, the
Corporation is required to report in its proxy statement any failure to file by
these due dates. Based on corporate records and certifications received from the
Reporting Persons, all required reports of Reporting Persons have been timely
filed with the Commission and the Nasdaq. In making these statements, the
Corporation has relied on the written representations of its directors,
executive officers, and its principal shareholder, and on copies of the reports
that such persons have filed with the Commission.





                                       24
<PAGE>   25
                    INDEPENDENT CERTIFIED PUBLIC ACCOUNTANTS

         In 1998, Ernst & Young LLP, performed audit and audit related services
for the Corporation and its subsidiaries which included examination of the
consolidated financial statements of the Corporation, and consultation with the
Corporation and its subsidiaries on accounting and reporting matters. Upon
recommendation of the audit committee, the board of directors has again selected
Ernst & Young LLP, as independent auditors. Representatives of Ernst & Young
LLP, will attend the annual meeting, will have an opportunity to make a
statement, and will be available to answer questions that may be asked by
shareholders.


                              SHAREHOLDER PROPOSALS

         Any proposal by a shareholder of the Corporation to be considered for
inclusion in the proxy statement for the 2000 annual meeting must be received by
Thomas W. Gallagher, the secretary of the Corporation, by the close of business
on November 15, 1999.


                                 ANNUAL REPORTS

         Appendix A to this proxy statement contains the information required to
be included in an annual report pursuant to the rules of the Commission,
including audited financial statements, management's discussion and analysis of
financial condition, and results of operations and five year selected financial
data. Upon request, the Corporation will provide without charge a copy of its
annual report on Form 10-K.


                                  OTHER MATTERS

         The board of directors is not aware of any other matters which may come
before the meeting. However, should any such matters properly come before the
meeting, it is the intention of the persons named in the accompanying proxy to
vote in accordance with their judgment on such matters.


                                                  CITIZENS BANKING CORPORATION


                                                  Thomas W. Gallagher
                                                  Thomas W. Gallagher
                                                  Senior Vice President, General
                                                  Counsel and Secretary


Flint, Michigan
March 15, 1999



                                       25
<PAGE>   26



















                          CITIZENS BANKING CORPORATION



                      MANAGEMENT'S DISCUSSION AND ANALYSIS

                                       and

                        CONSOLIDATED FINANCIAL STATEMENTS
















                                       26
<PAGE>   27
                                TABLE OF CONTENTS

<TABLE>
<S>                                                                                          <C>
I.       Financial Review including
           Management's Discussion and Analysis.........................................      1

              Selected Financial Data...................................................      1
              Performance Summary.......................................................      2
              Net Interest Income.......................................................      4
              Provision and Allowance for Loan Losses...................................      5
              Noninterest Income and Expense............................................      6
              Balance Sheet Review......................................................      8
              Liquidity and Debt Capacity, Interest Rate Risk
                and Impact of Inflation.................................................     14
              Year Ended December 31, 1997
                Compared with 1996......................................................     19

II.      Consolidated Financial Statements..............................................     20

              Consolidated Balance Sheets...............................................     20
              Consolidated Statements of Income.........................................     21
              Consolidated Statements of Changes
                in Shareholders' Equity.................................................     22
              Consolidated Statements of Cash Flow......................................     23

III.     Notes to Consolidated Financial Statements.....................................     24

IV.      Report of Independent Auditors.................................................     39

V.       Report of Management...........................................................     40

</TABLE>



                                       27
<PAGE>   28

<TABLE>
<CAPTION>
===================================================================================================================================
TABLE 1. SELECTED FINANCIAL DATA(4)

(in thousands, except per share data)                   1998             1997            1996             1995 (1)           1994
===================================================================================================================================
<S>                                               <C>              <C>               <C>              <C>              <C>        
FOR THE YEAR
   Net interest income                            $   197,846      $   191,848       $   178,645      $   167,926      $   148,006
   Provision for loan losses                           14,090           15,332            12,126            7,112            5,837
   Investment securities gains (losses)                   145             (787)              611              281            1,099
   Noninterest income                                  56,107           47,481            47,393           42,405           39,786
   Noninterest expense before special charge          158,291          153,427           155,056          150,332          133,767
   Special charge, net of tax                             ---           17,263               ---              ---              ---
   Income taxes                                        24,932           21,012            17,042           14,957           13,279
   Net income before special charge                    56,785           48,771            42,425           38,211           36,008
   Net income                                          56,785           31,508            42,425           38,211           36,008
   Cash dividends                                      22,991           19,286            17,890           16,131           14,918

PER COMMON SHARE DATA (3)
   Net income:
       Basic                                      $      2.02      $      1.13       $      1.52      $      1.39      $      1.31
       Diluted                                           1.98             1.11              1.50             1.36             1.29
       Diluted before special charge                     1.98             1.72              1.50             1.36             1.29
   Cash dividends                                        0.82             0.74              0.67             0.60             0.55
   Book value, end of year                              15.70            14.61             14.12            13.50            12.12
   Market value, end of year                            33.75            34.50             21.00            19.83            18.50

AT YEAR END
   Assets                                         $ 4,501,409      $ 4,439,271       $ 4,305,973      $ 4,175,544      $ 3,424,087
   Loans                                            3,584,511        3,541,619         3,229,809        2,867,427        2,209,340
   Deposits                                         3,764,356        3,694,346         3,598,751        3,478,268        2,872,967
   Long-term debt                                     130,937          108,165            86,826          110,022           11,775
   Shareholders' equity                               441,082          409,842           392,021          374,644          332,739

AVERAGE FOR THE YEAR
   Assets                                         $ 4,450,293      $ 4,371,509       $ 4,212,380      $ 3,969,702      $ 3,383,403
   Earning assets                                   4,154,693        4,076,185         3,884,446        3,634,095        3,105,736
   Loans                                            3,506,812        3,380,652         3,062,021        2,706,855        2,142,105
   Deposits                                         3,695,310        3,647,302         3,515,498        3,297,528        2,840,894
   Interest-bearing deposits                        3,097,211        3,081,736         2,950,398        2,750,265        2,359,558
   Repurchase agreements and
       other short-term borrowings                    130,406          178,267           170,916          152,997          145,592
   Long-term debt                                     138,793           90,822            86,788          108,209           16,070
   Shareholders' equity                               425,301          400,715           381,377          354,224          331,674

FINANCIAL RATIOS
   Return on average:(2)
       Shareholders' equity                             13.85%            7.86%            11.12%           10.79%           10.86%
       Earning assets                                    1.37             0.77              1.09             1.05             1.16
       Assets                                            1.28             0.72              1.01             0.96             1.06
   Average shareholders' equity/ave. assets              9.56             9.17              9.05             8.91             9.80
   Dividend payout ratio                                40.49            61.21             42.17            42.22            41.43
   Net interest margin (FTE)                             4.91             4.86              4.77             4.80             4.99
   Tier I leverage                                       8.68             7.98              7.52             7.13             9.49
   Risk-based capital:
       Tier I capital                                   10.52             9.78              9.83             9.76            13.74
       Total capital                                    11.77            11.03             11.08            11.01            14.98
===================================================================================================================================
</TABLE>

(1) The year 1995 reflects the acquisition of the Michigan affiliates of Banc
    One Corporation accounted for as a purchase, and includes the related
    results of operations and financial results subsequent to the February 28,
    1995 acquisition date.

(2) Returns on average shareholders' equity, earning assets and assets before
    the 1997 special charge associated with the CB Financial Corporation merger
    and information technology operations reorganization were 12.17%, 1.20% and
    1.12%, respectively.

(3) Per share information is computed, and where necessary, restated to comply
    with Statement of Financial Accounting Standard No. 128 "Earnings per share"
    and reflects a three for two stock split effected in the form of a dividend
    paid to shareholders on November 18, 1997.

(4) All information presented has been restated to reflect the July 1, 1997
    merger with CB Financial Corporation, accounted for as a pooling of
    interests.





                                       28
<PAGE>   29
       PERFORMANCE SUMMARY

       The following discussion provides a more comprehensive review of the
Corporation's operating results and financial condition than could be obtained
from reading the Consolidated Financial Statements alone. For the year ended
December 31, 1998, Citizens Banking Corporation earned $56,785,000 or $1.98 per
share compared with $31,508,000 or $1.11 per share in 1997. The results for 1997
include a special charge of $23,734,000 ($17,263,000 after tax) related to
Citizens' July 1, 1997 merger with CB Financial Corporation and the
reorganization of Citizens' information technology operations. Excluding the
special charge, net income for 1997 was $48,771,000 or $1.72 per share. Net
income was up $8,014,000 or $0.26 per share over the prior year (before the
special charge) a 16.4% increase. The corresponding returns on average assets
and equity were 1.28% and 13.35%, respectively, as compared with 0.72% and 7.86%
in 1997 (1.12% and 12.17% before the special charge).
       The earnings improvement reflects increased noninterest income and higher
net interest income from growth in earning assets and lower interest expense.
Average shareholders' equity was $425.3 million or 9.56% of total average assets
for 1998, compared with $400.7 million or 9.17% for 1997. The Corporation's
risk-based capital levels exceeded all regulatory requirements.
       On July 1, 1997, the Corporation merged with CB Financial Corporation
headquartered in Jackson, Michigan. As part of the merger, Citizens issued
6,256,355 shares of its common stock in a tax free exchange for all of the
outstanding shares of CB Financial Corporation. The merger was accounted for as
a pooling of interests resulting in the restatement of all financial information
presented.
       All common stock per share amounts have been adjusted to reflect a
three-for-two stock split effected in the form of a dividend paid to
shareholders on November 18, 1997.
       An analysis of changes in major income statement components in 1998 from
1997 is presented below. Overall, excluding the special charge in 1997, the
increase in net income reflects improvement in noninterest income from higher
trust fees, mortgage income and other sources and increased net interest income.
Higher levels of earning assets, particularly commercial loans, and a lower cost
of interest bearing liabilities resulted in higher net interest income.
Additional data on the Corporation's performance during the past five years
appears in Table 1.


<TABLE>
<CAPTION>
- - ----------------------------------------------------------------------------------------------
                                             Year Ended December 31,        Changes in 1998
                                             -----------------------    ----------------------
(in thousands)                                  1998         1997         Amount       Percent
- - ----------------------------------------------------------------------------------------------
<S>                                           <C>          <C>          <C>            <C>    
Interest income                               $339,880     $335,863     $  4,017          1.2%
Interest expense                               142,034      144,015       (1,981)        (1.4)
Net interest income                            197,846      191,848        5,998          3.1
Provision for loan losses                       14,090       15,332       (1,242)        (8.1)
Noninterest income                              56,252       46,694        9,558         20.5
Noninterest expense before special charge      158,291      153,427        4,864          3.2
Special charge, net of tax                          --       17,263      (17,263)      (100.0)
Income taxes                                    24,932       21,012        3,920         18.7
Net income                                      56,785       31,508       25,277         80.2
Net income before special charge(1)             56,785       48,771        8,014         16.4
==============================================================================================
</TABLE>

(1) Operating income before 1997 special charge associated with CB Financial
    Corporation merger and information technology reorganization.

       The following table presents "cash earnings" for the Corporation's most
recent two years. "Cash earnings" add back the amortization of intangible assets
arising from mergers that were accounted for as a purchase and assumes that all
intangibles were charged off against retained earnings at the original date of
acquisition. All financial information presented reflects favorable earnings
improvement when adjusted for the intangibles.


<TABLE>
<CAPTION>

- - ------------------------------------------------------------------------
CASH EARNINGS SUMMARY (1)
(in thousands except per 
share amounts)                        1998            1997     % Change
- - ------------------------------------------------------------------------
<S>                             <C>               <C>            <C> 
Cash income before
  special charge               $      60,885      $   53,290     14.3%
Diluted earnings per share              2.12            1.88     12.8
Book value per share                   13.76           12.47     10.3
Return on average assets                1.39%           1.24%    12.1
Return on average equity               16.54           16.03      3.2
========================================================================
</TABLE>

(1) Excludes 1997 special charge of $17,263 associated with CB Financial
    Corporation merger and information technology reorganization.



                                       29
<PAGE>   30
===============================================================================
TABLE 2. AVERAGE BALANCES/NET INTEREST INCOME/AVERAGE RATES

<TABLE>
<CAPTION>

                                                                         1998                                  1997               
                                                       -----------------------------------        ------------------------------
YEAR ENDED DECEMBER 31                                 AVERAGE                     AVERAGE        AVERAGE                AVERAGE 
(IN MILLIONS)                                          BALANCE      INTEREST(1)    RATE(2)        BALANCE  INTEREST(1)   RATE(2) 
- - --------------------------------------------------------------------------------------------------------------------------------
<S>                                                  <C>            <C>               <C>      <C>         <C>           <C>   
EARNING ASSETS
Money market investments:
     Federal funds sold                              $     39.2     $      2.1       5.45 %    $   14.5    $     0.8     5.57 %
     Term federal funds sold and other                      9.7            0.5       5.38           5.4          0.3     4.90
Investment securities(3):
     Taxable                                              448.7           28.5       6.35         510.9         31.8     6.23
     Nontaxable                                           144.0            7.6       8.13         163.5          8.7     8.26
Loans(4):                                                                                               
     Commercial                                         1,477.1          123.7       8.51       1,312.1        114.4     8.82
     Real estate mortgage                                 793.3           64.4       8.12         778.0         62.8     8.07
     Consumer                                           1,236.4          113.0       9.14       1,290.5        117.1     9.08
                                                     ----------     ----------                 --------    ---------             
     Total earning assets(3)                            4,148.4          339.8       8.34       4,074.9        335.9     8.39
                                                                                                        
NONEARNING ASSETS                                                                                       
Cash and due from banks                                   159.8                                   145.9 
Premises and equipment                                     72.7                                    72.8 
Other assets                                              116.2                                   122.5 
Allowance for loan losses                                 (46.8)                                  (44.6)
                                                     ----------                                --------                          
     Total assets                                    $  4,450.3                                $4,371.5 
                                                     ==========                                ========                   
INTEREST-BEARING LIABILITIES                                                                            
Deposits:                                                                                               
Interest-bearing demand                              $    389.0            6.0       1.54      $  381.7          6.1     1.61
     Savings                                            1,029.1           27.7       2.69       1,047.5         29.6     2.83
     Time                                               1,679.1           94.3       5.62       1,652.5         93.5     5.66
Short-term borrowings                                     130.4            6.0       4.60         178.3          8.7     4.87
Long-term debt                                            138.8            8.0       5.81          90.8          6.1     6.67
                                                     ----------          -----                 --------        -----
     Total interest-bearing liabilities                 3,366.4          142.0       4.22       3,350.8        144.0     4.30
                                                                                                        
NONINTEREST-BEARING LIABILITIES                                                                         
AND  SHAREHOLDERS' EQUITY                                                                               
Demand deposits                                           598.1                                   565.6
Other liabilities                                          60.5                                    54.4
Shareholders' equity                                      425.3                                   400.7
                                                     ----------                                --------                          
     Total liabilities and shareholders' equity      $  4,450.3                                $4,371.5
                                                     ==========                                ========                          
NET INTEREST INCOME                                                 $    197.8                             $   191.9
                                                                    ==========                             =========               
NET INTEREST INCOME AS A                                                                                
PERCENT OF EARNING ASSETS                                                            4.91 %                              4.86 %
================================================================================================================================
                                                                                                        
<CAPTION>
                                                                                                        
                                                                                                        
                                                                                                        
                                                                      1996 
                                                     --------------------------------------  
YEAR ENDED DECEMBER 31                                  AVERAGE                     AVERAGE
(IN MILLIONS)                                           BALANCE     INTEREST(1)     RATE(2)
- - -------------------------------------------------------------------------------------------
<S>                                                  <C>            <C>              <C>   
EARNING ASSETS                                                                                          
Money market investments:                                                                               
     Federal funds sold                              $     44.9     $      2.4       5.37 %
     Term federal funds sold and other                     26.7            1.4       5.07               
Investment securities(3):                                                                               
     Taxable                                              568.0           33.7       5.94               
     Nontaxable                                           183.1            9.7       8.20               
Loans(4):                                                                                               
     Commercial                                         1,236.3          106.5       8.73               
     Real estate mortgage                                 677.6           56.2       8.29               
     Consumer                                           1,148.1          102.4       8.92               
                                                     ----------     ----------
     Total earning assets(3)                            3,884.7          312.3       8.21               
                                                                                                        
NONEARNING ASSETS                                                                                       
Cash and due from banks                                   164.4                                         
Premises and equipment                                     77.1                                         
Other assets                                              125.7                                         
Allowance for loan losses                                 (39.5)                                        
                                                     ----------  
     Total assets                                    $  4,212.4                                         
                                                     ==========                                         
INTEREST-BEARING LIABILITIES                                                                            
Deposits:                                                                                               
Interest-bearing demand                              $    396.6            7.1       1.79               
     Savings                                            1,077.3           29.3       2.72               
     Time                                               1,476.5           82.8       5.61               
Short-term borrowings                                     170.9            8.0       4.66               
Long-term debt                                             86.8            6.5       7.54               
                                                     ----------     ----------       
     Total interest-bearing liabilities                 3,208.1          133.7       4.17               
                                                                                                        
NONINTEREST-BEARING LIABILITIES                                                                         
AND  SHAREHOLDERS' EQUITY                                                                               
Demand deposits                                           565.1                                         
Other liabilities                                          57.8                                         
Shareholders' equity                                      381.4                                         
                                                     ----------                                         
     Total liabilities and shareholders' equity      $  4,212.4                                         
                                                     ==========                                         
NET INTEREST INCOME                                                 $    178.6                          
                                                                    ==========                          
NET INTEREST INCOME AS A                                                                                
PERCENT OF EARNING ASSETS                                                            4.77 %             
============================================================================================
</TABLE>
                                                                          
                                                                          
(1) Interest income is shown on an unadjusted basis and therefore does not
    include taxable equivalent adjustments.                                     
                                                                                
(2) Average rates include taxable equivalent adjustments to interest income of  
    $6,005,000, $6,132,000 and $6,665,000 for the years ended December 31, 1998,
    1997, and 1996, respectively, based on a 35% tax rate.                      
                                                                                
(3) For)presentation in this table, average balances and the corresponding      
    average rates for investment securities are based upon historical cost,     
    adjusted for amortization of premiums and accretion of discounts.           
                                                                                
(4) Nonaccrual loans are included in average balances.                          
                                                                                

                                       30
<PAGE>   31
       LINES OF BUSINESS REPORTING

       Citizen's Bank operates along three major lines: commercial banking,
retail banking and financial services. For more information about each line of
business see Note 17. A summary of the net income by each business line for the
last three years is presented below.

<TABLE>
<CAPTION>

- - -------------------------------------------------------------
                                      Net Income
                          -----------------------------------
(in thousands)              1998         1997           1996
- - -------------------------------------------------------------
<S>                     <C>           <C>            <C>     
Commercial Banking      $ 21,684      $ 17,819       $ 16,912
Retail Banking            29,819        28,548         22,800
Financial Services         3,161         1,366          1,563
Other                      2,121       (16,225)         1,150
                        --------      --------       --------
Total                   $ 56,785      $ 31,508       $ 42,425
                        ========      ========       ========
=============================================================
</TABLE>


       The increase in commercial banking net income in 1998 is due to growth in
overall commercial account relationships, including increased demand deposits,
strong loan growth and expanded cash management services. Retail banking net
income grew in 1998 as a result of higher mortgage banking and related title
insurance revenues and improved pricing strategies on deposit products.
Financial services income improved in 1998 due to growth in trust and investment
advisory services from enhanced pricing strategies and greater sales volumes,
increased brokerage activity and the introduction of new products and services.
Excluding the 1997 special charge, the other category is consistent over all
years.

       NET INTEREST INCOME

       The largest segment of the Corporation's operating income is net interest
income, which is the sum of interest and certain fees derived from earning
assets minus interest paid on deposits and other funding sources. Net interest
income is impacted by changes in the volume and mix of earning assets and
funding sources, market rates of interest, demand for loans and the availability
of deposits. Other factors, such as Federal Reserve Board monetary policy and
changes in tax laws, may also have an impact on changes in net interest income
from one period to another.
       Average balances and rates on major categories of interest-earning assets
and interest-bearing liabilities during the past three years appear in Table 2.
Total average earning assets were 1.8% higher during 1998 compared with 1997.
The composition of average earning assets changed in 1998 as total average loans
increased $126.2 million to 84.5% of average earning assets from 83.0% in 1997.
Average investment securities including money market investments represented
15.5% of average earning assets in 1998 compared with 17.0% in 1997. Total
average interest-bearing liabilities increased 0.5% in 1998 compared to 1997,
while average noninterest-bearing deposits grew by 5.7%.

<TABLE>
<CAPTION>

TABLE 3. ANALYSIS OF CHANGES IN INTEREST INCOME AND INTEREST EXPENSE


- - ----------------------------------------------------------------------------------------------------
                                       1998 COMPARED TO 1997               1997 Compared to 1996
                                    -----------------------------     ------------------------------
                                               INCREASE (DECREASE)               Increase (Decrease)
                                                DUE TO CHANGE IN          Net     Due to   Change in
Year Ended December 31               NET       -------------------               -------------------
(in millions)                      CHANGE(1)   RATE(2)     VOLUME      Change(1)  Rate(2)    Volume
- - ----------------------------------------------------------------------------------------------------
<S>                                 <C>        <C>        <C>         <C>         <C>        <C>     
Interest Income:
  Money market investments:
  Federal funds sold                $  1.3     $   --     $   1.3     $  (1.6)    $  0.1     $  (1.7)
  Term federal funds sold              0.2         --         0.2        (1.1)       0.0        (1.1)
  Investment securities:
  Taxable                             (3.3)       0.4        (3.7)       (1.9)       1.0        (2.9)
  Tax-exempt                          (1.1)      (0.2)       (0.9)       (1.0)       0.0        (1.0)
  Loans                                6.8       (4.5)       11.3        29.2        0.1        29.1
                                    ------     ------     -------     -------     ------     ------- 
  Total                                3.9       (4.3)        8.2        23.6        1.2        22.4
                                    ------     ------     -------     -------     ------     ------- 
Interest Expense:
  Deposits:
  Demand                              (0.1)      (0.1)         --        (1.0)      (0.5)       (0.5)
  Savings                             (1.9)      (2.8)        0.9         0.3        0.1         0.2
  Time                                 0.8       (0.7)        1.5        10.7        0.3        10.4
  Short-term borrowings               (2.7)      (0.8)       (1.9)        0.7        0.1         0.6
  Long-term debt                       1.9       (0.6)        2.5        (0.4)      (0.3)       (0.1)
                                    ------     ------     -------     -------     ------     ------- 
  Total                               (2.0)      (5.0)        3.0        10.3       (0.3)       10.6
                                    ------     ------     -------     -------     ------     ------- 
Net Interest Income                 $  5.9     $  0.7     $   5.2     $  13.3     $  1.5     $  11.8
                                    ======     ======     =======     =======     ======     =======
====================================================================================================
</TABLE>

(1) Changes are based on actual interest income and do not reflect taxable
    equivalent adjustments.

(2) Rate/Volume variances are allocated to changes due to volume.



                                       31
<PAGE>   32

       The average yield on earning assets decreased to 8.34% in 1998 from 8.39%
in 1997. The decrease resulted from lower yields principally on commercial loans
and to a lesser extent tax exempt investment securities. Yields on taxable
investment securities, real estate mortgages and consumer loans were higher in
1998, as compared to 1997. Higher interest income due to loan growth was
partially offset by reduced investment securities income as the Corporation
continued to partially fund loan growth with investment assets.
       The cost of interest-bearing liabilities decreased eight basis points to
4.22% in 1998 from 4.30% in 1997. This decrease was attributable to lower rates
on all interest-bearing liabilities categories. Lower yields on interest-bearing
liabilities in 1998 more than offset decreased rates on earning assets resulting
in an improved interest spread on earning assets (the difference between the
average yield on earning assets and the average rate on interest-bearing
liabilities). The net interest margin increased five basis points to 4.91% in
1998 from 4.86% in 1997.
       The effect on net interest income of changes in average balances
("volume") and yields and rates ("rate") are quantified in Table 3. As shown,
net interest income improved $5.9 million in 1998 with $5.2 million of this due
to volume-related increases primarily attributable to loan growth partially
offset by volume-related decreases in investment securities. In addition, the
lower cost of interest-bearing deposits and both short-term and long-term
borrowings, partially offset by lower yields on commercial loans, resulted in a
favorable net rate-related variance of $700,000 in 1998 over 1997.
       Management continually monitors the Corporation's balance sheet to
insulate net interest income from significant swings caused by interest rate
volatility. If market rates change in 1999, corresponding changes in funding
costs would be considered to avoid any potential negative impact on net interest
income. The Corporation's policies in this regard are further discussed in the
section titled "Interest Rate Risk".

        PROVISION AND ALLOWANCE FOR LOAN LOSSES

       The allowance for loan losses increased slightly in 1998 to $46.4
million, or 1.30% of total loans from $45.9 million in 1997. The provision for
loan losses decreased 8.1% to $14.1 million in 1998. Net loan charge-offs were
 .39% of average loans in 1998 up from .34% in 1997. Gross charge-offs increased
$1.8 million or 11.5% in 1998 primarily as a result of higher consumer loan
losses. A summary of the Corporation's loan loss experience from 1994 through
1998 appears in Table 4.


<TABLE>
<CAPTION>
- - -------------------------------------------------------------------------------------------------------------
TABLE 4. SUMMARY OF LOAN LOSS EXPERIENCE

Year Ended December 31 (in thousands)        1998          1997           1996          1995         1994
- - -------------------------------------------------------------------------------------------------------------
<S>                                       <C>           <C>           <C>           <C>           <C>       
Allowance for loan losses - January 1     $   45,911    $   42,166    $   38,705    $   28,579    $   26,164
Allowance of acquired banks                       --            --            --         7,235           289
Provision for loan losses                     14,090        15,332        12,126         7,112         5,837
CHARGE-OFFS:
    Commercial                                 3,207         2,772         4,460         3,705         3,351
    Real estate                                  266           541            42            69            82
    Consumer                                  13,906        12,272         8,393         4,949         3,434
                                          ----------    ----------    ----------    ----------    ----------
     Total charge-offs                        17,379        15,585        12,895         8,723         6,867
                                          ----------    ----------    ----------    ----------    ----------
RECOVERIES:
    Commercial                                 1,212         1,267         1,229         1,664         1,501
    Real estate                                   14             2            16            22             4
    Consumer                                   2,601         2,729         2,985         2,816         1,651
                                          ----------    ----------    ----------    ----------    ----------
     Total recoveries                          3,827         3,998         4,230         4,502         3,156
                                          ----------    ----------    ----------    ----------    ----------
Net charge-offs                               13,552        11,587         8,665         4,221         3,711
                                          ----------    ----------    ----------    ----------    ----------
Allowance for loan losses - December 31   $   46,449    $   45,911    $   42,166    $   38,705    $   28,579
                                          ==========    ==========    ==========    ==========    ==========
Loans outstanding at year-end             $3,584,511    $3,541,619    $3,229,809    $2,867,427    $2,209,340
Average loans outstanding                  3,506,812     3,380,652     3,062,021     2,706,855     2,142,105
Ratio of allowance for loan losses
 to loans outstanding at year-end               1.30%         1.30%         1.31%         1.35%         1.29%
Ratio of net loans charged off as a
 percentage of average loans outstanding        0.39          0.34          0.28          0.16          0.17
=============================================================================================================
</TABLE>


                                       32
<PAGE>   33

       The allowance for loan losses is divided into two components, allocated
and unallocated. The allowance is based upon an assessment of the losses
inherent in the loan portfolio. Consumer loans are charged-off based on
delinquency status within industry guidelines and commercial loans are evaluated
individually.
       The allocated component of the allowance is based on expected losses from
analysis of specific loans and historical loss experience for each category of
loans. The analysis of individual loans is based on a regular review of all
loans and commitments over a fixed dollar amount. The historical loan losses are
determined by loss experience over the past three years and a reserve formula
allocation method which uses factors such as loan quality ratings, independent
assessment and charge-off history. This analysis is performed throughout the
year and is updated based on actual experience and loan reviews.
       The unallocated portion of the allowance is determined based on the
Corporation's assessment of general economic conditions, the economic conditions
in the markets in which the Corporation operates, the level and composition of
nonperforming loans and other factors. This analysis involves a higher degree of
uncertainty and considers factors which may not yet be reflected in historical
loss factors used to determine the allocated portion of the allowance. An
allocation of the ending allowance for loan losses by major loan type is
presented in Table 5.
       Management believes the allowance for loan losses is adequate to meet
presently known credit risks in the loan portfolio. The Corporation's loan
portfolio has no significant concentrations in any one industry nor any exposure
in foreign loans. The Corporation has generally not extended credit to finance
highly leveraged transactions nor does it intend to do so in the future.
Employment levels and other economic conditions in the Corporation's local
markets may have a significant impact on the level of credit losses. Management
continues to identify and devote attention to credits that may not be performing
as well as expected. Nonperforming loans are further discussed in the section
titled "Nonperforming Assets".


<TABLE>
<CAPTION>
- - ------------------------------------------------------------------------------------------------------------------------------------
TABLE 5. ALLOCATION OF THE ALLOWANCE FOR LOAN LOSSES(1)
                                1998                 1997                 1996                 1995                 1994
                           --------------------  -------------------  -------------------  -------------------  --------------------
                                       LOAN                 Loan                 Loan                 Loan                 Loan
December 31 (in millions)   AMOUNT   PERCENT (2) Amount   Percent (2) Amount   Percent (2) Amount   Percent (2) Amount   Percent (2)
- - ------------------------------------------------------------------------------------------------------------------------------------

<S>                            <C>       <C>        <C>       <C>        <C>       <C>        <C>       <C>        <C>       <C>   
Commercial                     $13.4     44.5 %     $11.1     38.3 %     $12.5     38.3 %     $12.9     39.9 %     $12.5     45.6 %
Real estate construction         0.1      2.5         0.1      2.0         0.1      2.2         0.1      1.8         0.1      1.3
Real estate mortgage             1.9     20.7         2.0     22.0         1.5     22.7         1.2     20.2         1.0     21.9
Consumer                        18.8     32.3        16.0     37.7        15.6     36.8        14.0     38.1         7.5     31.2
                               -----    -----       -----    -----       -----    -----       -----    -----        ----    -----
          Total allocated       34.2    100.0 %      29.2    100.0 %      29.7    100.0 %      28.2    100.0 %      21.1    100.0 %
                                        =====                =====                =====                =====                =====
Unallocated                     12.2                 16.7                 12.5                 10.5                  7.5
                               -----                -----                -----                -----                -----
          Total                $46.4                $45.9                $42.2                $38.7                $28.6
                               =====                =====                =====                =====                =====
===================================================================================================================================
                           
</TABLE>


(1) The allocation of the allowance for loan losses in the above table is based
    upon ranges of estimates and are not intended to imply either limitations on
    the usage of the allowance or precision of the specific amounts. The
    Corporation and its subsidiaries do not view the allowance for loan losses
    as being divisible among the various categories of loans.  The entire 
    allowance is available to absorb any future losses without regard to the 
    category or categories in which the charged-off loans are classified.
 
(2) Percentage reflects the ratio of outstanding loans by category to total
    outstanding loans at the end of the respective year.

       NONINTEREST INCOME

       Noninterest income accounted for 22.1% of total operating revenue or 1.3%
of average assets in 1998, compared with 19.6% and 1.1%, respectively, in 1997.
Noninterest income increased 20.5%, or $9.6 million in 1998 as compared to the
prior year. This increase resulted from enhanced trust fees, brokerage and
investment fees, mortgage and other loan income, cash management fees and other
noninterest income. An analysis of the components of noninterest income is
presented in the table below.
       Trust fees for personal and employee benefit trust services increased
20.6% in 1998 from 1997. The increase is the result of improved pricing
strategies and higher levels of managed assets. Brokerage and investment fees
increased 35.0% in 1998 over 1997, due to higher sales volume.
       Mortgage and other loan income grew by 134.7% in 1998 as compared to
1997. The increase reflects higher servicing release premiums from the sale of
residential mortgages into the secondary market and gains from the sale of the
student loans. Mortgage originations have grown 102% in 1998 due to a focused
sales effort and a favorable interest rate environment. The 31.9% increase in
cash management services fees is primarily volume related as clients have
responded to enhanced investment options which include various money market
mutual funds from which the Corporation receives a management fee.
       The Corporation realized net gains of $145,000 on sales of investment
securities during 1998 as compared to net losses of $787,000 during 1997. As
presented in Note 4 to the Consolidated Financial Statements, gross realized
gains on sales of investment securities amounted to $151,000 in 


                                       33
<PAGE>   34
1998 while gross realized losses amounted to $6,000. The comparable amounts in
1997 were $98,000 and $885,000, respectively. Proceeds from sales of investment
securities during 1998 totaled $11.6 million or 1.9% of total average security
holdings compared with $171.2 million or 25.3% in 1997. The Corporation sold
certain securities to fund loan growth and reposition the investment portfolio
based on the current rate environment.

<TABLE>
<CAPTION>

- - -------------------------------------------------------------
NONINTEREST INCOME
                        Year Ended
                        December 31,       Changes in 1998
                   ---------------------  -------------------

(in thousands)           1998      1997      Amount   Percent
- - -------------------------------------------------------------
<S>                    <C>      <C>        <C>         <C>  
Trust fees             $18,722  $ 15,527   $ 3,195      20.6%

Service charges

   on deposit accounts  12,449    12,342       107       0.9

Bankcard fees            7,780     7,092       688       9.7

Brokerage and

   investment fees       2,405     1,782       623      35.0

Mortgage and

   other loan income     4,098     1,746     2,352     134.7

ATM network

   user fees             2,909     2,956       (47)     (1.6)

Cash management
   services              2,405     1,823       582      31.9

Title insurance fees     1,137        18     1,119      (1)

Investment securities

   gains (losses)          145      (787)      932     118.4

Other                    4,202     4,195         7       0.2
                       -------  --------   -------

     Total             $56,252  $ 46,694   $ 9,558      20.5
                       =======  ========   =======  

=============================================================
</TABLE>

(1) Not meaningful.

       NONINTEREST EXPENSE

       Operating expenses increased 3.2% in 1998 as compared with 1997
(excluding the special charge discussed below). The increase in operating
expenses is primarily attributable to increased data processing service costs as
a result of the 1997 information technology operations reorganization.
       The increase in data processing service costs was partially offset by
declines in occupancy, supplies and a minimal 1.3% increase in compensation
expense. Compensation expense has increased only marginally, as normal merit and
promotional salary increases have been offset by a reduction in salary expense
due to the information technology operations reorganization. Telephone expense
was up in 1998 due to higher data communication costs resulting from the
information technology operations reorganization. Intangible asset amortization
expense declined due to the prior year write-down of goodwill and core deposit
intangibles.
       In 1997, the Corporation incurred a special charge of $23.7 million
related to its July 1, 1997, merger with CB Financial Corporation and the
reorganization of Citizens' information technology operations. The special
charge includes $16.1 million of merger related expenses comprised of $8.5
million of direct merger and restructuring-related charges and a $7.6 million
write-down of goodwill and core deposit intangibles. This write-down reflects
the impairment of assets related to previous acquisitions of CB Financial
Corporation. The merger related expenses reflect the cost of integrating and
consolidating branch network and administrative facilities, severance
arrangements, professional services and other expenses directly related to the
merger.
       Also in 1997, the Corporation entered into a strategic arrangement with M
& I Data Services of Milwaukee, Wisconsin, as part of its efforts to upgrade its
information technology operations. This arrangement provides the Corporation
with the professional expertise and technological resources necessary to improve
its competitive position in a rapidly changing technological environment. The
Corporation believes it will enhance its position to quickly respond to the
demands of its markets and support future strategic initiatives. The strategic
arrangement also addressed many Year 2000 information systems-related issues.
The third quarter special charge includes expenses of $7.6 million related to
this arrangement, comprised of up-front conversion and reorganization costs. See
Note 3 for further discussion on the special charge.

<TABLE>
<CAPTION>

- - -----------------------------------------------------------------
NONINTEREST EXPENSE
                          Year Ended

                         December 31,         Changes in 1998
                    ---------------------------------------------

(in thousands)         1998       1997        Amount    Percent
- - -----------------------------------------------------------------
<S>                    <C>         <C>        <C>        <C>  
Salaries and

   employee benefits   $81,189    $ 80,119     $ 1,070       1.3%

Equipment               12,329      12,327           2       0.0

Occupancy               11,134      11,446        (312)     (2.7)

Data processing

   services              6,018       1,130       4,888     432.6

Intangible asset

   amortization          5,545       6,098        (553)     (9.1)

Bankcard fees            5,894       5,152         742      14.4

Telephone                4,161       3,440         721      21.0

Postage

   and delivery          4,145       4,387        (242)     (5.5)

Stationery

   and supplies          3,761       4,042        (281)     (7.0)

Advertising and

   public relations      3,543       3,953        (410)    (10.4)

Consulting and other

   professional fees     2,805       2,733          72       2.6

Legal, audit and

   examination fees      1,955       2,318        (363)    (15.7)

Special charge             ---      23,734     (23,734)   (100.0)

Other                   15,812      16,282        (470)     (2.9)
                       -------     -------       -----

       Total          $158,291    $177,161    $(18,870)    (10.7)
                      ========    ========    ========           

=================================================================

</TABLE>




                                       34

<PAGE>   35
       FEDERAL INCOME TAXES

       Income tax expense was $24.9 million in 1998, an increase of 18.7% over
the 1997 total of $21.0 million (excluding the tax effect of the special
charge). The increase was due to higher pre-tax earnings and lower tax-exempt
interest income in 1998 as compared with 1997.

       BALANCE SHEET

       Proper management of the volume and composition of the Corporation's
earning assets and funding sources is essential for ensuring strong and
consistent earnings performance, maintaining adequate liquidity and limiting
exposure to risks caused by changing market conditions. The Corporation's
investment securities portfolio is structured to provide a source of liquidity
through maturities and generate an income stream with relatively low levels of
principal risk. The Corporation does not engage in active securities trading.
Loans comprise the largest component of earning assets and are the Corporation's
highest yielding assets. Client deposits are the primary source of funding for
earning assets while short-term debt and other managed sources of funds are
utilized as market conditions and liquidity needs change.
       The Corporation's total assets averaged $4.45 billion for 1998, up $78
million from 1997, primarily due to loan and deposit growth. The ratio of
average earning assets to total average assets improved to 93.4% during 1998
compared to 93.2% for 1997. Average loans comprised 78.8% of total assets during
1998, up from 77.3% in 1997. The ratio of average noninterest-bearing deposits
to total deposits increased to 16.2% in 1998 from 15.5% in 1997.
Interest-bearing deposits comprised 92.0% of total average interest-bearing
liabilities during 1998 unchanged from 1997. Average long and short-term debt
also remained unchanged at 8.0% of average interest-bearing liabilities.

INVESTMENT SECURITIES AND MONEY MARKET INVESTMENTS
Average investment securities, including money market investments, comprised
15.5% of total average earning assets in 1998, down from 17.0% in 1997. The
decline resulted from the use of the proceeds of investment securities sales and
maturities to fund loan growth. A summary of average investment securities
balances during 1998 and 1997 follows:


<TABLE>
<CAPTION>


- - ----------------------------------------------------------------------------------------------
INVESTMENT SECURITIES
                                             Average Balances(1)           Changes in 1998
                                           ----------------------      -----------------------
Year Ended December 31 (in thousands)        1998          1997          Amount       Percent
- - ----------------------------------------------------------------------------------------------
<S>                                        <C>           <C>           <C>             <C>    
U.S. Treasury                              $ 63,690      $158,757      $(95,067)       (59.9)%
Federal agencies:
     Mortgage-backed                        215,912       132,802        83,110         62.6
     Other                                  134,868       183,151       (48,283)       (26.4)
State and municipal:
     Taxable                                 11,178        17,213        (6,035)       (35.1)
     Tax-exempt                             148,353       166,428       (18,075)       (10.9)
Other                                        25,008        17,269         7,739         44.8
                                           --------      --------      --------        
     Total                                 $599,009      $675,620      $(76,611)       (11.3)
                                           ========      ========      ========        
==============================================================================================
</TABLE>
(1) Average balances reflect the estimated fair value of investment securities.


       Average investment in U.S. Treasury securities comprised 10.6% of average
total investment securities during 1998, decreasing from 23.5% in 1997. Average
federal agency mortgage-backed securities, primarily collateralized mortgage
obligations ("CMO's"), increased 62.6% in 1998 as proceeds from the maturities
of U.S. Treasuries and other federal agency securities were used to purchase
these securities. The Corporation continues to invest in U.S. Treasury and
federal agency securities which offer increased creditworthiness and liquidity
compared with other securities.
       Total state and municipal securities comprised 26.6% of total average
investment securities during 1998 as compared with 27.2% in 1997. Purchases of
these securities remain dependent on the Corporation's capacity to effectively
utilize tax-exempt income and the availability of such securities at attractive
yields with acceptable risk characteristics.
       Other securities, consisting of Federal Reserve stock, Federal Home Loan
Bank stock, privately issued CMO's and asset backed securities, increased 44.8%.
The increase resulted primarily from the purchase of additional CMO's.
       Money market investments, primarily federal funds sold and term federal
funds sold, averaged $48.9 million in 1998, up from $19.9 million in 1997. The
amount of funds invested in these assets is based on the present and anticipated
interest rate environment, liquidity needs and other economic factors.


                                       35
<PAGE>   36
       The Corporation's present policies with respect to the classification of
investments in debt and equity securities are discussed in Note 1 to the
Consolidated Financial Statements. An analysis of investment securities at
year-end for each of the last three years is presented in Table 6. As of
December 31, 1998, the estimated aggregate fair value of the Corporation's
investment securities portfolio was $6.2 million above amortized cost. At
December 31, 1998 gross unrealized gains were $7.6 million and gross unrealized
losses were $1.4 million. A summary of estimated fair values and unrealized
gains and losses for the major components of the investment securities portfolio
is provided in Note 4 to the Consolidated Financial Statements.


<TABLE>
<CAPTION>
- - -----------------------------------------------------------------------------------------------------------------------------
TABLE 6. ANALYSIS OF INVESTMENT SECURITIES
                                                U.S. Treasury and
                                                Federal Agency(1)                   State and Municipal(1),(2)         
                                     ----------------------------------------------------------------------------------------
                                          Amortized            Fair                    Amortized         Fair               
(in millions)                                Cost              Value         Yield        Cost          Value        Yield  
- - -----------------------------------------------------------------------------------------------------------------------------
<S>                                           <C>              <C>           <C>          <C>           <C>          <C>   
AVAILABLE-FOR-SALE:
  MATURITIES AT DECEMBER 31, 1998
    DUE WITHIN ONE YEAR                       $193.0           $193.6         6.22%       $ 14.1        $ 14.4         9.92% 
    ONE TO FIVE YEARS                          190.8            191.3         6.39          50.8          52.1         8.10 
    FIVE TO TEN YEARS                           44.6             44.8         6.26          38.2          39.8         8.06 
    AFTER TEN YEARS                              1.0              1.0         7.11          49.7          51.2         7.88 
                                              ------           ------                     ------        ------              
       TOTAL                                  $429.4           $430.7         6.31        $152.8        $157.5         8.19 
                                             

       AVERAGE MATURITY                                          2.04  yrs.                               5.68  yrs.        
    
  At December 31, 1997
       Total                                  $388.7           $390.0         5.96        $162.4        $166.9         8.23 
                                              ======           ======                     ======        ======              
       Average maturity                                          1.92  yrs.                               5.06  yrs.        

  At December 31, 1996
       Total                                  $504.6           $502.0                     $198.0        $200.9              
                                              ======           ======                     ======        ======              
=============================================================================================================================
<CAPTION>

- - -----------------------------------------------------------------------------------------------------------------------------
                                     
                                              Other                                       Total
                                     ------------------------     -----------------------------------------------------------
                                     Amortized      Fair                  Amortized       Fair
(in millions)                             Cost      Value          Yield       Cost       Value       Yield
- - -----------------------------------------------------------------------------------------------------------------------------
<S>                                    <C>          <C>           <C>      <C>          <C>          <C>  
AVAILABLE-FOR-SALE:
  MATURITIES AT DECEMBER 31, 1998
    DUE WITHIN ONE YEAR                $ 2.2        $ 1.9           6.35%   $209.3       $209.9        6.47%
    ONE TO FIVE YEARS                    2.5          2.8           6.45     244.1        246.2        6.75
    FIVE TO TEN YEARS                    0.0          0.0           6.72      82.8         84.6        7.09
    AFTER TEN YEARS                     20.4         20.6           7.08      71.1         72.8        7.64
                                       -----        -----                   ------       ------            
       TOTAL                           $25.1        $25.3           6.95    $607.3       $613.5        6.80
                                       =====        =====                   ======       ======
       AVERAGE MATURITY                              1.36  yrs.(3)                         2.88   yrs.
    
  At December 31, 1997
       Total                           $18.3        $18.5           7.12    $569.4       $575.4        6.72
                                       =====        =====                   ======       ======
       Average maturity                              3.37  yrs.                            2.85  yrs.

  At December 31, 1996
       Total                           $14.1        $14.2                   $716.7       $717.1        6.49
                                       =====        =====                   ======       ======
===========================================================================================================================
</TABLE>
(1) Maturities for Federal agency, collateralized mortgage obligations and
    asset-backed securities are based upon projections of independent cash flow
    models. Maturities for state and municipal securities incorporate early call
    features, if applicable.

(2) Yields for state and municipal securities are calculated on a tax equivalent
    basis using a 35% tax rate.

(3) Average maturity information excludes Federal Reserve and Federal Home Loan
    Bank stocks with no stated maturity.

LOANS
The Corporation extends credit primarily within the local markets of its two
bank subsidiaries located in Michigan and Illinois. In Michigan, the market
areas extend along the Interstate 75 corridor from northern suburban Detroit to
the Gaylord area as well as western suburban Detroit, central, northwestern and
southwestern Michigan. The Illinois affiliate extends credit within the western
suburban market of Chicago. The Corporation's loan portfolio is widely
diversified by borrowers with no concentration within a single industry that
exceeds 10% of total loans. The Corporation's respective year-end loan portfolio
balances are summarized in Table 7.

       Total loans increased $42.9 million in 1998 with average loans comprising
84.5% of total average earning assets during 1998, as compared with 82.9% during
1997. Increased demand for business loans in the Corporation's local markets and
improved economic conditions expanded the average commercial and commercial real
estate loan portfolio 12.6% in 1998 from 1997 levels. Average consumer loan
balances decreased to $1.236 billion in 1998, or 4.2% over 1997, due to higher
repayments in the Corporation's home equity and vehicle loan portfolios. Average
residential mortgage loan balances increased $15.3 million or 2.0% in 1998, from
$778.0 million in 1997.


<TABLE>
<CAPTION>
- - --------------------------------------------------------------------------------
TABLE 7. LOAN PORTFOLIO

December 31 (in millions)       1998       1997       1996       1995       1994
- - --------------------------------------------------------------------------------
<S>                         <C>        <C>        <C>        <C>        <C>
Commercial                  $1,114.2   $  967.9   $  831.3   $  740.2   $  649.1
Real estate commercial         479.9      387.0      393.1      403.3      357.5
Real estate construction        89.6       71.0       71.1       53.3       29.2
Real estate mortgage           741.4      779.6      744.6      579.2      484.1
Consumer                     1,159.4    1,336.1    1,189.7    1,091.4      689.4
                            --------   --------   --------   --------   --------
   Total                    $3,584.5   $3,541.6   $3,229.8   $2,867.4   $2,209.3
                            ========   ========   ========   ========   ========

================================================================================
</TABLE>


                                       36
<PAGE>   37

NONPERFORMING ASSETS
A five-year history of nonperforming assets is presented in Table 8.
Nonperforming assets are comprised of nonaccrual loans, loans 90 days past due
and still accruing, restructured loans and repossessed assets. Nonperforming
assets totaled $24.3 million as of December 31, 1998, a decrease of 2.9% from
the year-end 1997 balance of $25.0 million. As a percentage of total assets,
nonperforming assets declined to 0.54% at December 31, 1998, from 0.56% at
December 31, 1997. The decline resulted from the Corporation's continued
management of loan portfolio quality and favorable economic conditions.
       In 1998 consumer loans represented 38.1% of nonperforming loans, an
increase from 28.1% in 1997. The consumer portfolio is composed of automobile,
personal, marine, home equity and bankcard loans of which automobile and home
equity comprise 75.3% of the portfolio. The increase in nonperforming consumer
loans is due primarily to higher delinquencies on automobile loans and increased
personal bankruptcies.
       One to four family residential home loans comprise the majority of the
real estate mortgage balances. The Corporation's commercial real estate
portfolio represents 13.4% of total loans at December 31, 1998 as compared with
10.9% at year end 1997. Within this portfolio, nonperforming loans represented
12.7% of total nonperforming loans at December 31, 1998. Management believes the
risk of loss on such nonperforming loans is significantly less than the total
principal balance, due to the nature of the underlying collateral. These loans
are generally for owner-occupied properties and do not rely on the performance
of the real estate market to generate funds for repayment.
       Nonperforming commercial loans were 31.1% of total nonperforming loans at
December 31, 1998, compared with 43.6% in 1997. The decrease in nonperforming
commercial loans is due to favorable economic factors which have allowed certain
previously nonperforming loans to return to current status or payoff.
       The Corporation maintains formal policies and procedures to control and
monitor credit risk within these portfolios. Based upon present information,
management believes the allowance for loan losses is adequate to meet presently
known credit risks.

<TABLE>
<CAPTION>
- - ----------------------------------------------------------------------------------------------------------------------------
TABLE 8.  NONPERFORMING ASSETS AND PAST DUE LOANS
December 31 (in thousands)                              1998         1997         1996         1995          1994
- - ----------------------------------------------------------------------------------------------------------------------------

NONPERFORMING LOANS(1),(2)
<S>                                                    <C>          <C>          <C>          <C>          <C>    
   Nonaccrual
     Less than 30 days past due                        $ 2,016      $ 5,128      $ 5,555      $ 4,794      $ 5,203
     From 30 to 89 days past due                         1,641        2,021        1,370          828        1,421
     90 or more days past due                           18,134       12,840       12,856       14,593       12,595
                                                       -------      -------      -------      -------      -------
         Total                                          21,791       19,989       19,781       20,215       19,219
   90 days past due and still accruing                     801        1,185        1,874          849        1,577
   Restructured(1)                                         114          446          502          502          299
                                                       -------      -------      -------      -------      -------

         Total nonperforming loans                      22,706       21,620       22,157       21,566       21,095
OTHER REPOSSESSED ASSETS ACQUIRED                        1,547        3,348        3,118        3,067        3,113
                                                       -------      -------      -------      -------      -------
         Total nonperforming assets                    $24,253      $24,968      $25,275      $24,633      $24,208
                                                       =======      =======      =======      =======      =======
Nonperforming assets as a percent of total loans
   plus other repossessed assets acquired                 0.68%        0.70%        0.78%        0.86%        1.09%
Nonperforming assets as a percent of total assets         0.54         0.56         0.59         0.59         0.71
NONPERFORMING LOANS BY TYPE
   Commercial                                          $ 7,070      $ 9,435      $13,299      $15,592      $18,137
   Real Estate Mortgage                                  6,995        6,103        4,273        2,688        1,425
   Consumer                                              8,641        6,082        4,585        3,286        1,533
                                                       -------      -------      -------      -------      -------
   Total                                               $22,706      $21,620      $22,157      $21,566      $21,095
                                                       =======      =======      =======      =======      =======
- - ----------------------------------------------------------------------------------------------------------------------------
</TABLE>

(1) Nonperforming loans include loans on which interest is being recognized only
    upon receipt (nonaccrual), those on which interest has been renegotiated to
    lower than market rates because of the financial condition of the borrowers
    (restructured), and loans 90 days past due and still accruing.

(2) Gross interest income that would have been recorded in 1998 for nonaccrual
    and restructured loans, as of December 31, 1998, assuming interest had been
    accrued throughout the year in accordance with original terms was $1.946
    million. The comparable 1997 and 1996 totals were $1.861 million, and $1.702
    million, respectively. Interest collected on these loans and included in
    income was $1.247 million in 1998, $0.965 million in 1997 and $0.913 million
    in 1996. Therefore, on a net basis, total income foregone due to these loans
    was $0.699 million in 1998, $0.896 million in 1997 and $0.789 million in
    1996.


                                       37
<PAGE>   38


       The level and composition of nonperforming assets are affected by
economic conditions in the Corporation's local markets. Nonperforming assets,
charge-offs and provisions for loan losses tend to decline in a strong economy
and increase in a weak economy, potentially impacting the Corporation's results.
In addition to nonperforming loans, management carefully monitors other credits
that are current in terms of principal and interest payments but, in
management's opinion, may deteriorate in quality if economic conditions change.
As of December 31, 1998, such loans amounted to $14.5 million or 0.4% of total
loans compared with $22.0 million or 0.6% of total loans as of December 31,
1997. These loans are primarily commercial and commercial real estate loans made
in the normal course of business and do not represent a concentration in any one
industry. Collectively, these loans and the nonperforming assets in Table 8
represent 1.0% of total loans as of December 31, 1998 decreasing from 1.2% as of
December 31, 1997.
        The following describes the Corporation's policy and related disclosures
for impaired loans. The Corporation maintains a valuation allowance for impaired
loans. A loan is considered impaired when management determines it is probable
that all the principal and interest due under the contractual terms of the loan
will not be collected. In most instances, impairment is measured based on the
fair value of the underlying collateral. Impairment may also be measured based
on the present value of expected future cash flows discounted at the loan's
effective interest rate. Interest income on impaired nonaccrual loans is
recognized on a cash basis. Interest income on all other impaired loans is
recorded on an accrual basis.
       Certain of the Corporation's nonperforming loans included in Table 8 are
considered to be impaired. The Corporation measures impairment on all large
balance nonaccrual commercial and commercial real estate loans. Certain large
balance accruing loans rated substandard or worse are also measured for
impairment. Impairment losses are included in the provision for loan losses. The
policy does not apply to large groups of smaller balance homogeneous loans that
are collectively evaluated for impairment, except for those loans restructured
under a troubled debt restructuring. Loans collectively evaluated for impairment
include certain smaller balance commercial loans, consumer loans, residential
real estate loans, and credit card loans, and are not included in the impaired
loan data in the following paragraphs.
       At December 31, 1998, loans considered to be impaired totaled $15.2
million (of which $9.3 million were on a nonaccrual basis). Included within this
amount is $8.8 million of impaired loans for which the related allowance for
loan losses is $1.5 million and $6.4 million of impaired loans for which the
fair value exceeded the recorded investment in the loan. The average recorded
investment in impaired loans during the year ended December 31, 1998 was
approximately $17.9 million. For the year ended December 31, 1998, the
Corporation recognized interest income of $0.9 million which included $0.4
million of interest income recognized using the cash basis method of income
recognition.
       At December 31, 1997, loans considered to be impaired totaled $16.8
million (of which $9.9 million were on a nonaccrual basis). Included within this
amount is $6.1 million of impaired loans for which the related allowance for
loan losses is $0.9 million and $10.7 million of impaired loans for which the
fair value exceeded the recorded investment in the loan. The average recorded
investment in impaired loans during the year ended December 31, 1997 was
approximately $18.2 million. For the year ended December 31, 1997, the
Corporation recognized interest income of $1.5 million which included $1.0
million of interest income recognized using the cash basis method of income
recognition.
        The Corporation maintains policies and procedures to identify and
monitor nonaccrual loans. A loan is placed on nonaccrual status when there is
doubt regarding collection of principal or interest, or when principal or
interest is past due 90 days or more and the loan is not well secured and in the
process of collection. Interest accrued but not collected is reversed and
charged against income when the loan is placed on nonaccrual status.
       During 1998, each of the Corporation's banking subsidiaries received a
normally scheduled examination by its governing regulatory agency. There was no
material reclassification of assets as nonperforming resulting from these
examinations.


<TABLE>
<CAPTION>
- - -----------------------------------------------------------------------------------------------------------------------
TABLE 9. AVERAGE DEPOSITS

                                                        1998                     1997                      1996
                                                --------------------     ---------------------     --------------------
                                                AVERAGE      AVERAGE     Average       Average     Average      Average
Year Ended December 31 (in millions)            BALANCE        RATE      Balance        Rate       Balance       Rate
- - -----------------------------------------------------------------------------------------------------------------------
<S>                                             <C>          <C>        <C>             <C>     <C>             <C>   
Noninterest-bearing demand                    $   598.1         --      $   565.6         --     $   565.1         --
Interest-bearing demand                           389.0       1.54%         381.7       1.61%        396.6       1.79%
Savings                                         1,029.1       2.69        1,047.5       2.83       1,077.3       2.72
Time                                            1,679.1       5.62        1,652.5       5.66       1,476.5       5.61
                                              ---------                 ---------                ---------
    Total                                     $ 3,695.3       3.46      $ 3,647.3       3.54     $ 3,515.5       3.39
                                              =========                 =========                =========
- - -----------------------------------------------------------------------------------------------------------------------
</TABLE>



                                       38
<PAGE>   39

DEPOSITS
The Corporation's average deposit balances and rates for the past three years
are summarized in Table 9. Total average deposits were 1.3% higher in 1998 as
compared with 1997. Deposit growth was derived primarily from
noninterest-bearing demand accounts which increased 5.7% from 1997 average
balances. The increase is due to growth in overall commercial account
relationships, including demand deposits, loans and sweep accounts. As of
December 31, 1998, certificates of deposits of $100,000 or more accounted for
approximately 11.9% of total deposits compared with 12.4% as of December 31,
1997. The maturities of these deposits are summarized in Table 10.

<TABLE>
<CAPTION>
- - --------------------------------------------------------

TABLE 10. MATURITY OF TIME CERTIFICATES OF 
DEPOSIT OF $100,000 OR MORE

                                           December 31,
(in thousands)                                1998
- - --------------------------------------------------------
<S>                                        <C>      
Three months or less                       $ 228,358
After three but within six months             84,210
After six but within twelve months            63,300
After twelve months                           72,891
                                           ---------
  Total                                    $ 448,759
                                           =========
========================================================
</TABLE>

       The Corporation gathers deposits primarily from the local markets of its
banking subsidiaries and has not relied on brokered deposits for any significant
funding. At December 31, 1998, the Corporation had approximately $14.9 million
in brokered deposits as an alternative source of funding. These brokered
deposits mature in July, 2001. The Corporation will continue to evaluate the use
of alternative funding sources such as brokered deposits as funding needs
change. Management continues to promote relationship driven core deposit growth
and stability through focused marketing efforts and competitive pricing
strategies.

BORROWED FUNDS
Total short-term borrowings, primarily federal funds purchased, securities sold
under agreements to repurchase and Treasury Tax and Loan notes, averaged $130.4
million or 3.9% of total average interest-bearing liabilities during 1998
compared with $178.3 million or 5.3% during 1997. Long-term debt accounted for
$138.8 million or 4.1% of average interest-bearing funds during 1998, increasing
from $90.8 million in 1997.
       In 1998 and 1997, the Corporation's Michigan subsidiary originated five
long-term borrowings with the Federal Home Loan Bank for a total of $117.6
million. The interest rates on the borrowings range from 4.86% to 5.77% with
original maturities from one to ten years.
       The Corporation's Parent company maintains an amortizing revolving credit
facility with an unused commitment at December 31, 1998 of $36 million. The
outstanding balance at December 31, 1998 of $13 million currently has an
interest rate of 6.76% and will reprice in March 1999. The Parent company
services the debt's principal and interest payments with dividends from the
subsidiary banks. The agreement also requires the Corporation to maintain
certain financial covenants. The Corporation is in full compliance with all debt
covenants as of December 31, 1998.
       A summary of long-term debt balances as of December 31, 1998 and 1997
appears in Note 10 to the Consolidated Financial Statements.

CAPITAL RESOURCES
Management closely monitors capital levels to provide for current and future
business needs and to comply with regulatory requirements. Both bank
subsidiaries within the Corporation have sufficient capital to maintain a "well
capitalized" designation, (the FDIC's highest rating). As summarized below, the
Corporation's capital ratios were in excess of regulatory requirements.

<TABLE>
<CAPTION>
- - -----------------------------------------------------------------
                  Regulatory Minimum
                  ------------------  
                           "Well              December 31,
                                         ------------------------
               Required Capitalized"     1998      1997     1996
- - -----------------------------------------------------------------
<S>                  <C>     <C>         <C>       <C>      <C>  
Risk based:
  Tier I capital     4.00%    6.00%      10.52%    9.78%    9.83%
  Total capital      8.00    10.00       11.77    11.03    11.08
Tier I leverage      4.00     5.00        8.68     7.98     7.52
=================================================================
</TABLE>

       The Corporation declared cash dividends of $0.82 per share in 1998, an
increase of 10.8% over 1997 dividends of $0.74 per share. Citizens Banking
Corporation or its predecessor, Citizens Commercial & Savings Bank, have paid
dividends every year since 1892 except for several years during the depression
of the 1930's.
       In May, 1998 the Corporation initiated a new stock repurchase program.
The program allows the Corporation to purchase up to 600,000 shares for treasury
to satisfy shares issued upon the exercise of stock options. A total of 209,300
shares have been purchased under this program at an average price of $33.36 per
share as of December 31, 1998. A total of 100,890 of these shares have been
reissued for exercise of stock options. On January 15, 1999 the Corporation
initiated a second stock repurchase program to provide for purchases of up to
1,400,000 shares of its common stock, or approximately 5% of the outstanding
shares. The Corporation currently anticipates that such purchases will occur
during 1999. A previous stock repurchase program, initiated in November 1987,
was formally rescinded by Citizens' Board of Directors on January 27, 1997, in
conjunction with the agreement to acquire CB Financial Corporation. Prior to the
rescission, a total of 1,891,455 shares had been purchased under this program at
an average price of $10.56 per share.

RECENT ACCOUNTING PRONOUNCEMENTS
In June 1997, the Financial Accounting Standards Board ("FASB") issued SFAS No.
131 "Disclosure about Segments


                                       39
<PAGE>   40


of an Enterprise and Related Information". This statement requires disclosure of
financial and descriptive information about a company's operating segments in
annual and interim financial reports issued to shareholders. The Corporation
adopted this statement for year-end 1998 reporting. These disclosure
requirements had no impact on financial position or results of operations. See
Note 17 for further information on Lines of Business reporting.
       In June 1998, the FASB issued SFAS No. 133, "Accounting for Derivative
Instruments and Hedging Activities." SFAS No. 133 establishes accounting and
reporting standards for hedging activities and for derivative instruments,
including certain derivative instruments embedded in other contracts. This
statement requires a company to recognize all derivatives as either assets or
liabilities in its balance sheet and measure those instruments at fair value. If
certain conditions are met, a derivative may be specifically designated as a
fair value, cash flow, or foreign currency hedge. The accounting for changes in
the fair value of a derivative (i.e., gains and losses) depends on the intended
use of the derivative and the resulting designation. For derivative instruments
not accounted for as hedges, changes in fair value are required to be recognized
in earnings. If the Corporation elects to apply hedge accounting, offsetting
changes in fair value or cash flows of both the derivative and the hedged asset
or liability are recognized in earnings in the same period. Changes in fair
value or cash flow that represent the ineffective portion of a hedge are
required to be recognized in earnings and cannot be deferred. The Corporation is
also required to establish at the inception of the hedge the method it will use
for assessing the effectiveness of the hedging derivative and the measurement
approach for determining the ineffective aspect of the hedge. This statement is
effective for all fiscal quarters of fiscal years beginning after June 15, 1999.
The Corporation plans to adopt this Statement effective January 1, 2000. This
statement is not anticipated to have a material impact on the Corporation.

IMPACT OF YEAR 2000
The Year 2000 issue is the result of computer programs that utilize two digits
rather than four digits to define years for computer calculations. Any computer
or electronic calculation recognizing a two digit date rather than a four digit
date may incur system failure or miscalculate information when using a date
after December 31, 1999, resulting in potentially serious impairment to business
operations.
       In September 1996, the Corporation formed a task force to identify Year
2000 related issues and develop an enterprise-wide strategy to prepare for the
Year 2000, which would encompass in-house systems, service bureaus for
outsourced systems, vendors, customers, and suppliers. The project began with an
assessment of the information technology and non-information technology systems
that required modification for the Year 2000. The Corporation inventoried
hardware and software systems, surveyed all vendors for their Year 2000 status,
identified resources required to resolve the problems, and developed a Year 2000
implementation plan with specific goals and target dates. Further, in the fall
of 1997, formal discussions were initiated with the Corporation's significant
commercial business clients to determine the extent to which the client's
computer systems are vulnerable to Year 2000 failure.
       Concurrently, another task force was formed to provide a solution for the
previously planned replacement of the Corporation's core application systems.
The primary objectives of this second task force were (a) to select an
integrated suite of applications that the Corporation could use to leverage its
ability to quickly respond to the demands of its market place and provide fast
track support of the Corporation's strategic initiatives, and (b) to position
the Corporation with the professional expertise and technological resources to
take advantage of new developments in technology and put information to work for
clients and staff members alike. As a result, the Corporation formed an
information technology partnership with M&I Data Services in the third quarter
of 1997. The Corporation completed integrating its primary data processing
systems with those of M&I Data Services in the second quarter of 1998. In the
third quarter of 1998, M&I Data Services upgraded its systems to be Year 2000
compliant and is currently processing the Corporation's core applications on
these compliant systems. The Corporation expects testing of these systems to be
completed in the first quarter of 1999. The application systems run by M&I Data
Services represent approximately 70% of the Corporation's mission critical
systems.
       The Corporation believes that it has completed its assessment of the
remaining computer-based systems and applications and non-information technology
systems. The majority of those applications that are not Year 2000 compliant
have been, or will be, upgraded or replaced by new systems. The costs of new
systems have been, or will be, recorded as an asset and amortized. System
assessment and conversion costs to upgrade the remaining noncompliant systems
are expensed as incurred. A significant portion of the costs associated with
making the remaining applications not covered by new systems Year 2000 compliant
do not represent incremental costs to the Corporation, as they are covered under
current maintenance agreements or involve the redeployment of existing
information technology resources. Costs related to the year 2000 issue are
funded through operating cash flows. The Corporation estimates that it will
spend less than $3.0 million for its Year 2000 compliance efforts. Approximately
$2.0 million to $2.5 million of these expenditures is for new hardware and
software and has or will be capitalized. Year 2000 compliance costs expended
through December 31, 1998 were approximately $390,000. These estimates do not
include the cost of the Corporation's previously planned core application
systems replacement 


                                       40
<PAGE>   41

which was not accelerated due to the Year 2000 problem.
       Currently, the Corporation's remediation efforts are at different phases
of completion. Remediation and testing activities are underway on all of the
Corporation's mission critical information technology and non-information
technology systems and applications. For the Corporation's information
technology exposures, to date the remediation phase is 81% complete (100% of
mission critical applications and 73% of non-mission critical applications). The
Corporation expects to complete software replacement or upgrades in the first
quarter of 1999. Once software is replaced or upgraded for a system, the
Corporation begins implementation and testing. The phases run concurrently for
different systems. To date, the Corporation has implemented 97% and 72% of its
mission critical and non-mission critical remediated systems, respectively, and
completed 48% of its testing. Completion of the implementation and testing
phases for all significant information technology systems is expected by June
30, 1999. The Corporation's exposure to non-information technology systems (i.e.
systems with date sensitive embedded technology requiring Year 2000 upgrades)
relates primarily to the Corporation's operating equipment and facilities (e.g.,
security access and alarm systems, elevators, heating and air conditioning
units, etc.). Completion of the implementation and testing of non-information
technology systems is expected by June 30, 1999.
       The Corporation is also addressing the readiness of critical suppliers,
customers, governmental agencies and other third parties that provide services
to or receive services from the Corporation. Primarily, the Corporation is
surveying its suppliers and large customers to assess the extent to which the
Corporation is vulnerable to those third parties' failures to resolve their own
Year 2000 issues. The Corporation has received responses from the majority of
its third party vendors and suppliers, confirming that the third parties'
software systems are Year 2000 compliant or, if not compliant, that these third
parties have an action plan in place to have them compliant by mid 1999. The
testing of mission critical third party software systems is also in progress.
The Corporation is on schedule to have all testing of third party software
systems completed by June 30, 1999. The Corporation is continuing to seek
assurances that the systems of other companies on which the Corporation's
systems rely will be timely converted or modified. Failure of such entities, or
one of their suppliers or customers, to become compliant in a timely manner
could have an adverse effect on the Corporation's results of operations or
financial condition.
       As a bank holding company, the Corporation is also exposed to the credit
risk of its loan customers ("borrowers"). To the extent that major borrowers
fail to adequately address Year 2000 issues, the credit worthiness of these
borrowers may deteriorate and adversely impact the Corporation's subsidiary
banks. As a result, the Corporation has identified material borrowers and has
assessed these borrowers' Year 2000 preparedness. The Year 2000 readiness of
material borrowers will be monitored periodically, to assess their Year 2000
compliance and evaluate any further risk to the Corporation.
       The Corporation is enhancing its existing business resumption plans to
reflect known Year 2000 issues and is preparing general contingency plans to
address unforeseen Year 2000 issues. These contingency plans involve, among
other actions, manual workarounds and coordination of personnel and resources.
The Corporation has determined that it must rely primarily on its software
vendors to remedy, in a timely manner, any unforeseen situations of its mission
critical systems. There can be no assurance that any plans will fully mitigate
all difficulties. Furthermore, there may be certain mission critical third
parties, such as utilities or telecommunication companies, where alternative
arrangements or other sources are limited or unavailable.
       The failure to identify and correct a material Year 2000 issue could
result in an interruption in, or failure of, certain normal business activities
or operations and could materially and adversely affect the Corporation. The
Corporation, however, has identified and assessed its areas of risk related to
the Year 2000 issue and is not aware of any noncompliant system or application
for which a solution is not available or which would impair the Corporation's
business operations. In addition, the Corporation has not, nor does it intend
to, defer any other projects that could have a material impact on its normal
business activities or operations. The Corporation believes that with upgrades
to existing software, new hardware and software purchases, and the conversion of
the Corporation's core application systems to M&I Data Services Year 2000
compliant systems, the Year 2000 issue will not pose significant operational
disruptions. Further, the additional costs to be incurred are not expected to be
material to the Corporation's results of operations, liquidity, financial
condition or capital resources.
       The anticipated costs and projected dates for completion of the
Corporation's Year 2000 projects, were based on management's best estimates,
which were derived utilizing numerous assumptions of future events, including
the continued availability of certain resources and other factors. Other
unanticipated Year 2000 issues could arise and there can be no assurance that
these estimates will be achieved and actual results could differ from those
anticipated. These unanticipated issues may include, but are not limited to, the
ability to identify and correct all noncompliant systems and applications, the
ability of third parties to become Year 2000 compliant, the availability and
cost of trained personnel, the impact of Year 2000 on our clients and other
uncertainties.

       LIQUIDITY AND DEBT CAPACITY

       The liquidity position of the Corporation is monitored for both
subsidiaries and the Parent company to ensure that funds are available at a
reasonable cost to meet financial commitments, to finance business expansion and
to take 


                                       41
<PAGE>   42

advantage of unforeseen opportunities. The Corporation's subsidiary banks derive
liquidity primarily through core deposit growth and maturity of money market
investments, investment securities and loans. Additionally, the Corporation's
subsidiary banks have access to market borrowing sources on an unsecured, as
well as a collateralized basis, for both short-term and long-term purposes
including but not limited to the Federal Home Loan Bank. Management has not had
to rely on borrowings from the Federal Reserve to meet liquidity requirements.
Another source of liquidity is the ability of the Corporation's Parent company
to borrow funds on both a short-term and long-term basis.
       Various techniques are used by the Corporation to measure liquidity,
including ratio analysis. Some ratios monitored by the Corporation include:
loans to deposits, liquid assets to volatile funding (interest bearing
liabilities plus noninterest bearing deposits less core funding), core funding
(most deposits plus a portion of repurchase agreements and long term debt less
single maturity certificates of deposit) to total funding (volatile funding plus
core funding). During 1998, the Corporation continued its strategy to operate at
lower levels of liquidity, thereby improving the asset mix, resulting in
increased net interest income. The Corporation experienced no liquidity or
operational problems as a result of its liquidity levels. Management believes
that the key to operating at lower levels of balance sheet liquidity is the
establishment and subsequent utilization of sufficient sources of liquidity.
This has been accomplished by increased sources of funds and higher capacities
enabling the Corporation and its subsidiary banks to operate effectively, safely
and with improved profitably. These ratios are summarized below for the last
three years.

<TABLE>
<CAPTION>


- - -----------------------------------------------------------
                              1998      1997      1996
- - -----------------------------------------------------------
<S>                            <C>       <C>       <C>   
Average loans to deposits      94.9 %    92.7 %    87.1 %
Liquid assets to volatile
  funding                      46.0      34.5      74.0
Core funding to total funding  88.8      88.1      89.4

- - -----------------------------------------------------------
</TABLE>


       The subsidiary banks manage liquidity to meet client cash flow needs
while maintaining funds available for loan and investment opportunities. As
discussed in Note 18 to the Consolidated Financial Statements, the Federal
Reserve Bank requires the Corporation's banking subsidiaries to maintain certain
noninterest-bearing deposits with the Federal Reserve Bank. These balance
requirements averaged $32.5 million and $32.6 million during 1998 and 1997,
respectively, and were primarily satisfied with cash balances maintained by the
Corporation's subsidiaries.
       The liquidity of the Parent company is managed to provide funds to pay
dividends to shareholders, service debt, invest in subsidiaries and to satisfy
other operating requirements. The Parent company's primary source of liquidity
is dividends from its subsidiaries. During 1998, the Parent company received
$48.6 million in dividends from subsidiaries and paid $23.0 million in dividends
to its shareholders. The amount of the upstream dividends increased $27.1
million in 1998 from $21.5 million 1997. The increased dividend was attributable
to higher subsidiary bank income in 1998 over 1997, primarily because of the
special charge in 1997. The increase in the dividend to the parent still allowed
the subsidiary banks to maintain sufficient capital to be designated
well-capitalized. As discussed in Note 18 to the Consolidated Financial
Statements, approximately $21.7 million was available as of January 1, 1999 for
payment to the Parent company as dividends by the Corporation's banking
subsidiaries without further regulatory approval. Amounts earned by subsidiaries
in 1999 will also become available for such dividend payments. Additional
amounts may be available for payment subject to regulatory approval.
       The Corporation's long-term debt to equity ratio was 29.7% as of December
31, 1998 compared to 26.4% in 1997. Changes in long-term debt during 1997 are
discussed in the section titled "Borrowed Funds". Management believes that the
Corporation has sufficient liquidity and capacity sources to meet presently
known cash flow requirements arising from ongoing business transactions.

       INTEREST RATE RISK

       Interest rate risk generally arises when the maturity or repricing
structure of the Corporation's assets and liabilities differ significantly.
Asset/liability management, which among other things addresses such risk, is the
process of developing, testing and implementing strategies that seek to maximize
net interest income, maintain sufficient liquidity and minimize exposure to
significant changes in interest rates. This process includes monitoring
contractual and expected repricing of assets and liabilities as well as
forecasting earnings under different interest rate scenarios and balance sheet
structures. Generally, management seeks a structure that insulates net interest
income from large swings attributable to changes in market interest rates. Table
11 depicts the Corporation's asset/liability static sensitivity ("GAP") as of
December 31, 1998 and December 31, 1997.
       As shown, the Corporation's interest rate risk position at December 31,
1998 is well balanced in the less than one year time frame with rate sensitive
assets exceeding rate sensitive liabilities by $10.6 million. This position
suggests that the Corporation's net interest income may not be significantly
impacted by changes in interest rates over the next 12 months. Management is
continually reviewing its interest rate risk position and modifying its
strategies based on projections to minimize the impact of future interest rate
changes. While traditional GAP analysis does not always incorporate adjustments
for the magnitude or timing of non-contractual repricing, Table 11 does
incorporate appropriate adjustments as indicated in footnotes 2 and 3 to the
table. Because of these and other inherent limitations of any GAP 


                                       42
<PAGE>   43
analysis, management utilizes simulation modeling as its primary tool to
evaluate the impact of changes in interest rates and balance sheet strategies.
Management uses these simulations to develop strategies that can limit interest
rate risk and provide liquidity to meet client loan demand and deposit
preferences.

<TABLE>
<CAPTION>
==============================================================================================================================
Table II Interest Rate Sensitivity                                              TOTAL
                                   1         2 - 3       4 - 6     7 - 12       WITHIN        1 - 5        Over    
(dollars in millions)            Month      Months      Months     Months       1 YEAR        Years      5 Years       Total
- - ------------------------------------------------------------------------------------------------------------------------------
<S>                          <C>          <C>         <C>         <C>        <C>          <C>           <C>        <C>        
DECEMBER 31,1998
RATE SENSITIVE ASSETS(3)
    Loans and leases         $   1,084.1  $   141.9   $   200.1   $   318.8  $   1,744.9  $   1,387.4   $   452.2  $   3,584.5
    Investment securities           49.0       31.9        58.3        75.9        215.1        243.9       154.5        613.5
    Short-term investments          26.2     --          --          --             26.2       --          --             26.2
                             -----------  ---------   ---------   ---------  -----------  -----------   ---------  -----------
     Total                   $   1,159.3  $   173.8   $   258.4   $   394.7  $   1,986.2  $   1,631.3   $   606.7  $   4,224.2
                             ===========  =========   =========   =========  ===========  ===========   =========  ===========
RATE SENSITIVE LIABILITIES
    Deposits(2)              $     239.6  $   365.7   $   473.0   $   652.3  $   1,730.6  $   1,209.8   $   187.9  $   3,128.3
    Short-term borrowings          124.3     --          --          --            124.3       --          --            124.3
    Long-term debt                --           63.0         0.1        57.6        120.7         10.1         0.1        130.9
                             -----------  ---------   ---------   ---------  -----------  -----------   ---------  -----------
     Total                   $     363.9  $   428.7   $   473.1   $   709.9  $   1,975.6  $   1,219.9   $   188.0  $   3,383.5
                             ===========  =========   =========   =========  ===========  ===========   =========  ===========
Period GAP(1)                $     795.4  $  (254.9)  $  (214.7)  $  (315.2) $      10.6  $     411.4   $   418.7  $     840.7
Cumulative GAP                     795.4      540.5       325.8        10.6                     422.0       840.7
Cumulative GAP to
    total assets                   17.67%     12.01%       7.24%       0.24%        0.24%        9.37%      18.68%       18.68%
Multiple of rate sensitive
    assets to liabilities           3.19       0.41        0.55        0.56         1.01         1.34        3.23         1.25
===============================================================================================================================
DECEMBER 31,1997
Rate Sensitive Assets(3)
    Loans and leases         $   1,103.3  $   142.1   $   183.3   $   342.0  $   1,770.7  $   1,249.7   $   521.2  $   3,541.6
    Investment securities           27.3       22.7        69.2        73.8        193.0        246.1       136.3        575.4
    Short-term investments          12.2     --          --          --             12.2       --          --             12.2
                             -----------  ---------   ---------   ---------  -----------  -----------   ---------  -----------
     Total                   $   1,142.8  $   164.8   $   252.5   $   415.8  $   1,975.9  $   1,495.8   $   657.5  $   4,129.2
                             ===========  =========   =========   =========  ===========  ===========   =========  ===========
RATE SENSITIVE LIABILITIES
    Deposits(2)              $     272.1  $   377.2   $   423.3   $   626.3  $   1,698.9  $   1,208.0   $   186.9  $   3,093.8
    Short-term borrowings          174.9     --          --          --            174.9       --          --            174.9
    Long-term debt                   0.4        7.0        30.0        13.1         50.5         55.1         2.6        108.2
                             -----------  ---------   ---------   ---------  -----------  -----------   ---------  -----------
     Total                   $     447.4  $   384.2   $   453.3   $   639.4  $   1,924.3  $   1,263.1   $   189.5  $   3,376.9
                             ===========  =========   =========   =========  ===========  ===========   =========  ===========
Period GAP(1)                $     695.4  $  (219.4)  $  (200.8)  $  (223.6) $      51.6  $     232.7   $   468.0  $     752.3
Cumulative GAP                     695.4      476.0       275.2        51.6                     284.3       752.3
Cumulative GAP to
    total assets                   15.66%     10.72%       6.20%       1.16%        1.16%        6.40%      16.95%       16.95%
Multiple of rate sensitive
    assets to liabilities           2.55       0.43        0.56        0.65         1.03         1.18        3.47         1.22
==============================================================================================================================
</TABLE>

(1) GAP is the excess of rate sensitive assets (liabilities).

(2) Includes interest bearing savings and demand deposits without contractual
    maturities of $474 million in the less than one year category and $995
    million in the over one year category. This runoff is based on historical
    trends, which reflects industry standards.


(3) Incorporates prepayment projections for certain assets which may shorten the
    time frame for repricing or maturity compared to contractual runoff.



                                       43
<PAGE>   44
INTEREST RATE SENSITIVITY
A number of measures are used to monitor and manage interest rate risk,
including income simulation and interest sensitivity (GAP) analyses. An income
simulation model is management's primary tool used to assess the direction and
magnitude of variations in net interest income resulting from changes in
interest rates. Key assumptions in the model include prepayment speeds on
various loan and investment assets; cash flows and maturities of financial
instruments held for purposes other than trading; changes in market conditions,
loan volumes, and pricing; deposit sensitivity; client preferences; and
management's financial capital plans. These assumptions are inherently
uncertain, subject to fluctuation and revision in a dynamic environment and, as
a result, the model cannot precisely estimate net interest income or exactly
predict the impact of higher or lower interest rates on net interest income.
Actual results will differ from simulated results due to timing, magnitude, and
frequency of interest rate changes and changes in market conditions and
management strategies, among other factors.
       Results of the multiple simulations done as of December 31, 1998 suggest
that the Corporation could expect net interest income to increase by $2.3
million (if asset and liability balances remain static and interest rates
gradually decline by 200 basis points over the next twelve months) and, to
increase by $600,000 (if asset and liability balances remain static and interest
rates gradually increase by 200 basis points over the next twelve months) from
1998 levels of net interest income. These variances in net interest income were
well within the Corporation's policy parameters established to manage such risk.
Management performed a large number of net interest income simulations using
varying balance sheet scenarios and differing interest rate environments. The
model results presented herein are intended to illustrate the potential
variation in net interest income from the indicated changes in interest rates,
and not to project future levels of net interest income. In addition to changes
in interest rates, the level of future net interest income is also dependent on
a number of other variables, including the growth, composition and absolute
levels of deposits, loans, and other earning assets and interest bearing
liabilities, economic and competitive conditions, client preferences and other
factors.


- - -------------------------------------------------------------------------------
TABLE 12. LOAN MATURITIES AND INTEREST RATE SENSITIVITY

<TABLE>
<CAPTION>

                                Due Within    One to       After
December 31 (in millions)        One Year   Five Years  Five Years     Total
- - -------------------------------------------------------------------------------
<S>                              <C>         <C>         <C>         <C>       
Commercial                       $  767.1    $  701.1    $  125.9    $  1,594.1
Real estate construction             89.6      --          --              89.6
                                 --------    --------    --------    ----------
    Total                        $  856.7    $  701.1    $  125.9    $  1,683.7
                                 ========    ========    ========    ==========
Loans above:
  With floating interest rate    $  562.2    $  156.8    $   58.0    $    777.0
  With predetermined
    interest rates                  294.5       544.3        67.9         906.7
                                 --------    --------    --------    ----------
    Total                        $  856.7    $  701.1    $  125.9    $  1,683.7
                                 ========    ========    ========    ==========
- - -------------------------------------------------------------------------------
</TABLE>



                                       44
<PAGE>   45
<TABLE>
<CAPTION>

- - ------------------------------------------------------------------------------------------------------------------------------------
TABLE 13. SELECTED QUARTERLY INFORMATION
                                                        1998                                           1997
                                      ------------------------------------------- --------------------------------------------------
(in thousands except per share data)     FOURTH    THIRD      SECOND     FIRST      Fourth      Third          Second       First
- - --------------------------------------------------------------------------------- --------------------------------------------------

<S>                                     <C>       <C>         <C>         <C>       <C>        <C>             <C>        <C>     
Interest income                         $83,748   $ 85,455    $ 85,470    $85,207   $ 85,992   $ 85,648        $ 83,996   $ 80,227
                                       
Interest expense                         34,176     35,419      36,008     36,431     36,908     36,903          35,858     34,346
                                       
Net interest income                      49,572     50,036      49,462     48,776     49,084     48,745          48,138     45,881
                                       
Provision for loan losses                 3,560      3,510       3,510      3,510      3,135      5,245           3,742      3,210
                                       
Investment securities gains (losses)         42         49           4         50         25       (755)            (33)       (24)
                                       
Noninterest income                       14,514     14,689      13,963     12,941     12,115     12,422          11,575     11,369
                                       
Noninterest expense                      39,131     40,269      40,199     38,692     37,475     61,340   (2)    39,729     38,617
                                       
Net income (loss)                        14,991     14,589      13,683     13,522     14,255     (4,951)  (2)    11,315     10,889
                                       
PER SHARE OF COMMON STOCK(3)           
                                       
Net income (loss):                     
                                       
     Basic                                 0.53       0.52        0.49       0.48       0.51      (0.18)  (2)      0.41       0.39
                                       
     Diluted                               0.53       0.50        0.48       0.47       0.50      (0.18)  (2)      0.40       0.39
                                       
Cash dividends declared                    0.21       0.21        0.21       0.19       0.19       0.19            0.19       0.17
                                       
Market value:(1)                       
                                       
     High                                 35.38      36.13       37.00      37.13      34.75      29.42           23.83      22.33
                                       
     Low                                  26.75      28.00       32.88      27.50      27.17      22.33           20.33      20.00
                                       
     Close                                33.75      32.88       33.63      35.69      34.50      29.33           22.83      22.00
                                     
- - ------------------------------------------------------------------------------------------------------------------------------------
</TABLE>

  (1)Citizens Banking Corporation common stock is traded on the National Market
     tier of the Nasdaq stock market (trading symbol: CBCF). At December 31,
     1998, there were approximately 11,000 shareholders of the Corporation's
     common stock.

  (2)Amounts include special charge associated with CB Financial Corporation
     merger and information technology operations reorganization of $17,263, net
     of tax or $0.61 per diluted share.

  (3)Per share information is computed, and where necessary, restated to comply
     with Statement of Financial Accounting Standard No. 128 "Earnings per
     share" and reflects a three-for-two stock split effected in the form of a
     dividend paid to shareholders on November 18, 1997.


       IMPACT OF INFLATION

       Substantially all of the assets and liabilities of a financial
institution are monetary. Therefore, inflation generally has a less significant
impact on financial institutions than fluctuations in market interest rates.
Inflation can lead to accelerated growth in noninterest expenses, which can
adversely impact results of operations. Additionally, inflation may impact the
rate of deposit growth and necessitate increased growth in equity to maintain a
strong capital position. Management believes the most significant impact on
financial results is the Corporation's ability to respond to changes in interest
rates.

       FORWARD-LOOKING STATEMENTS

       The foregoing disclosure contains "forward-looking statements" within the
meaning of the Securities Act of 1933 and the Securities Exchange Act of 1934,
both as amended, with respect to expectations for future periods. These forward
looking statements involved are subject to risk and uncertainties that could
cause actual results to differ. These risks and uncertainties include
unanticipated changes in the competitive environment and relationships with
third party vendors and clients and certain other factors discussed in this
report. Management believes that the expectations used in the forward looking
statements are reasonable, however actual results may vary significantly.


                                       45
<PAGE>   46
       YEAR ENDED DECEMBER 31, 1997
       COMPARED WITH 1996

       Citizen's Banking Corporation earned $31,508,000 or $1.11 per diluted
share during 1997. The results for 1997 include a special charge of $23,734,000
($17,263,000 after tax) related to the July 1, 1997 merger with CB Financial
Corporation and the reorganization of information technology operations.
Excluding the special charge, net income was $48,771,000 or $1.72 per share an
increase of 15.0% or $0.22 per share over 1996 earnings of $42,425,000 or $1.50
per share. The corresponding return on average assets was 1.12% (0.72% with the
special charge) as compared with 1.01% in 1996. Overall, the increase in net
income in 1997 reflects improvement in net interest income and lower noninterest
expenses, offset in part by an increase in the provision for loan losses, lower
noninterest income and higher income tax expense. The 1996 financial information
has been restated to include the merger of CB Financial Corporation on July 1,
1997, which was accounted for as a pooling of interests. All common stock per
share amounts have been adjusted to reflect a three-for-two stock split effected
in the form of a dividend paid to shareholders on November 18, 1997.
       Net interest income for 1997 was $191,848,000, an increase of 7.4% over
1996 net interest income of $178,645,000. This increase resulted from higher
levels of earning assets partially offset by increased interest bearing
liabilities. Yields on earning assets increased to 8.39% as compared with 8.21%
in 1996. Rates paid on funding sources increased thirteen basis points to 4.30%
due to higher rates paid on savings deposits, time deposits and short-term
borrowings partially offset by lower rates on interest bearing demand and
long-term debt. As a result, the net interest margin increased to 4.86% in 1997
as compared with 4.77% in 1996.
       The provision for loan losses increased to $15,332,000 in 1997 as
compared with $12,126,000 in 1996. The increase resulted from loan growth of
$311.8 million and higher net loan charge-offs. Net loan charge-offs were 0.34%
of average total loans in 1997, up from 0.28% in 1996.
       Noninterest income accounted for 19.6% of total operating revenues or
1.1% of average assets in 1997, decreasing from 21.2% or 1.2%, respectively, in
1996. Noninterest income decreased $1,310,000 from 1996 partially attributable
to a $1.6 million gain in 1996 on the sale of the Corporation's mortgage loan
servicing rights and curtailment of the residential mortgage servicing
operations. Excluding the effects of the sale of mortgage servicing rights and
investment security gains and losses, noninterest income increased 4.9% in 1997
as compared to 1996. This increase resulted from enhanced trust fees, ATM
network user fees and cash management service fees.
       Excluding the special charge, noninterest expense decreased $1,629,000 or
1.1% in 1997, from 1996. The decrease is primarily attributable to operating
efficiencies achieved from the 1997 merger with CB Financial Corporation.
       Intangible asset amortization expense decreased 8.1% in 1997 as compared
with 1996. This decline was the result of the 1997 write-down of goodwill and
core deposit intangibles. Income tax expense for 1997 increased 23.3% (before
the special charge) compared with 1996. This increase resulted from higher
pretax earnings combined with lower tax-exempt interest income.
       The Corporation had total average assets of $4.372 billion in 1997, up
from 1996 average assets of $4.212 billion. Average loans comprise 82.9% of
total earning assets in 1997, up from 78.8% in 1996. The growth occurred in the
consumer, residential mortgage and commercial loan portfolios due to improved
economic conditions and increased demand in the Corporation's local markets.
Average investments securities, including money market investments, decreased to
17.0% of average earning assets in 1997 from 21.2% in 1996. The decline in
investment securities was used to fund new loan growth.
       Total average deposits were 3.7% higher in 1997 compared with 1996, due
to higher time deposit balances. Client preferences resulted in deposit balance
shifts from interest bearing demand and savings to time accounts in 1997 as
compared with 1996. Average short-term borrowings, comprised primarily of
securities sold under agreements to repurchase, remained constant in 1997 at
5.3% of average interest-bearing liabilities as compared to 1996.
       Long-term debt accounted for $90.8 million or 2.7% of average
interest-bearing funds during 1997, increasing slightly from $86.8 million in
1996. Average shareholders' equity was $400.7 million in 1997, a 5.1% increase
over the 1996 average of $381.4 million.


                                       46
<PAGE>   47
<TABLE>
<CAPTION>
- - --------------------------------------------------------------------------------------
CONSOLIDATED BALANCE SHEETS
CITIZENS BANKING CORPORATION AND SUBSIDIARIES

(in thousands, except share amounts)                                 December 31,
                                                                   1998           1997
- - --------------------------------------------------------------------------------------
<S>                                                          <C>            <C>       
ASSETS
   Cash and due from banks                                   $  140,543     $  168,351
   Money market investments:                                                       
     Interest-bearing deposits with banks                           304            246
     Federal funds sold                                           8,500            ---
     Term federal funds sold and other                           17,435         11,976
                                                             ----------     ----------
       Total money market investments                            26,239         12,222
   Investment securities available-for-sale (amortized cost
     $607,287 in 1998; $569,440 in 1997)                        613,529        575,382
   Loans:
     Commercial                                               1,594,113      1,354,897
     Real estate construction                                    89,623         71,035
     Real estate mortgage                                       741,358        779,567
     Consumer                                                 1,159,417      1,336,120
                                                             ----------     ----------
       Total loans                                            3,584,511      3,541,619
     Less: Allowance for loan losses                            (46,449)       (45,911)
                                                             ----------     ----------
       Net loans                                              3,538,062      3,495,708
     Premises and equipment                                      78,248         69,415
     Intangible assets                                           54,470         60,016
     Other assets                                                50,318         58,177
                                                             ----------     ----------
       Total assets                                          $4,501,409     $4,439,271
                                                             ==========     ==========
LIABILITIES AND SHAREHOLDERS' EQUITY
   Noninterest-bearing deposits                              $  636,059     $  600,498
   Interest-bearing deposits                                  3,128,297      3,093,848
                                                             ----------     ----------
       Total deposits                                         3,764,356      3,694,346
   Federal funds purchased and securities sold
     under agreements to repurchase                             111,336        141,713
   Other short-term borrowings                                   12,971         33,153
   Other liabilities                                             40,727         52,052
   Long-term debt                                               130,937        108,165
                                                             ----------     ----------
       Total liabilities                                      4,060,327      4,029,429
SHAREHOLDERS' EQUITY
   Preferred stock - no par value:
     Authorized - 5,000,000 shares
     Issued - none
   Common  stock - no par value:
     Authorized - 100,000,000 shares
     Issued and outstanding - 28,099,615 in 1998; 
       28,047,518 in 1997                                       117,525        120,274
   Retained earnings                                            319,500        285,706
   Other accumulated comprehensive net income                     4,057          3,862
                                                             ----------     ----------
       Total shareholders' equity                               441,082        409,842
                                                             ----------     ----------
       TOTAL LIABILITIES AND SHAREHOLDERS' EQUITY            $4,501,409     $4,439,271
                                                             ==========     ==========
======================================================================================
</TABLE>
 
See Notes to Consolidated Financial Statements.


                                       47
<PAGE>   48
<TABLE>
<CAPTION>
- - -------------------------------------------------------------------------------------------------------------
CONSOLIDATED STATEMENTS OF INCOME
CITIZENS BANKING CORPORATION AND SUBSIDIARIES

(in thousands, except share amounts)                                           1998        1997         1996
- - -------------------------------------------------------------------------------------------------------------
<S>                                                                      <C>         <C>          <C>       
INTEREST INCOME
  Interest and fees on loans                                             $  301,138  $  294,258   $  265,139
  Interest and dividends on investment securities:
    Taxable                                                                  28,511      31,811       33,731
    Nontaxable                                                                7,575       8,721        9,700
  Money market investments                                                    2,656       1,073        3,766
                                                                         ----------  ----------   ----------
       Total interest income                                                339,880     335,863      312,336
INTEREST EXPENSE
  Deposits                                                                  127,966     129,267      119,185
  Short-term borrowings                                                       6,004       8,689        7,959
  Long-term debt                                                              8,064       6,059        6,547
                                                                         ----------  ----------   ----------
    Total interest expense                                                  142,034     144,015      133,691
                                                                         ----------  ----------   ----------
NET INTEREST INCOME                                                         197,846     191,848      178,645
Provision for loan losses                                                    14,090      15,332       12,126
                                                                         ----------  ----------   ----------
    Net interest income after provision for loan losses                     183,756     176,516      166,519
                                                                         ----------  ----------   ----------
NONINTEREST INCOME
  Trust fees                                                                 18,722      15,527       14,466
  Service charges on deposit accounts                                        12,449      12,342       12,481
  Bankcard fees                                                               7,780       7,092        6,780
  Mortgage and other loan income                                              4,098       1,746        3,572
  Brokerage and investment fees                                               2,405       1,782        1,775
  Cash management services                                                    2,405       1,823        1,686
  Investment securities gains (losses)                                          145        (787)         611
  Other                                                                       8,248       7,169        6,633
                                                                         ----------  ----------   ----------
      Total noninterest income                                               56,252      46,694       48,004
                                                                         ----------  ----------   ----------
NONINTEREST EXPENSE
  Salaries and employee benefits                                             81,189      80,119       81,288
  Equipment                                                                  12,329      12,327       12,374
  Occupancy                                                                  11,134      11,446       12,153
  Intangible asset amortization                                               5,545       6,098        6,637
  Bankcard fees                                                               5,894       5,152        4,702
  Stationery and supplies                                                     3,761       4,042        4,416
  Postage and delivery                                                        4,145       4,387        4,254
  Advertising and public relations                                            3,543       3,953        3,946
  Data processing fees                                                        6,018       1,130          345
  Special charge                                                                ---      23,734          ---
  Other                                                                      24,733      24,773       24,941
                                                                         ----------  ----------   ----------
    Total noninterest expense                                               158,291     177,161      155,056
                                                                         ----------  ----------   ----------
INCOME BEFORE INCOME TAXES                                                   81,717      46,049       59,467
Income taxes                                                                 24,932      14,541       17,042
                                                                         ----------  ----------   ----------
NET INCOME                                                               $   56,785  $   31,508   $   42,425
                                                                         ==========  ==========   ==========
NET INCOME PER SHARE:
  Basic                                                                  $     2.02  $     1.13   $     1.52
  Diluted                                                                      1.98        1.11         1.50
AVERAGE SHARES OUTSTANDING:
  Basic                                                                  28,127,647  27,878,990   27,844,341
  Diluted                                                                28,742,615  28,419,676   28,258,591

- - -------------------------------------------------------------------------------------------------------------
</TABLE>
See Notes to Consolidated Financial Statements.



                                       48
<PAGE>   49
<TABLE>
<CAPTION>
- - ----------------------------------------------------------------------------------------------------
Consolidated Statements of Changes in Shareholders' Equity
Citizens Banking Corporation and Subsidiaries
                                                                               ACCUMULATED
                                                                                  OTHER
                                                         COMMON     RETAINED  COMPREHENSIVE
(in thousands, except per share amounts)                  STOCK     EARNINGS      INCOME     TOTAL
- - ----------------------------------------------------------------------------------------------------
<S>                                                     <C>         <C>           <C>       <C>     
Balance - January 1, 1996                               $120,561    $248,949      $5,134    $374,644

Net income                                                    --      42,425          --      42,425
Net unrealized gain on securities available-for-sale,
  net of tax effect of $2,593                                 --          --      (4,909)     (4,909)
                                                                                            --------
  Total comprehensive income                                  --          --          --      37,516
Exercise of stock options, net of
  shares purchased                                         1,523          --          --       1,523
Cash dividends - $0.67 per share                              --     (17,890)         --     (17,890)
Shares acquired for retirement                            (3,772)                             (3,772)
                                                        --------    --------      ------    --------
Balance - December 31, 1996                              118,312     273,484         225     392,021

Net income                                                    --      31,508          --      31,508
Net unrealized gain on securities available-for-sale,
  net of tax effect of $1,942                                 --          --       3,637       3,637
                                                                                            --------
  Total comprehensive income                                  --          --          --      35,145
Exercise of stock options, net of
  shares purchased                                         1,962          --          --       1,962
Cash dividends - $0.74 per share                              --     (19,286)         --     (19,286)
                                                        --------    --------      ------    --------
Balance - December 31, 1997                              120,274     285,706       3,862     409,842

Net income                                                    --      56,785          --      56,785
Net unrealized loss on securities available-for-sale,
  net of tax effect of $105                                   --          --         195         195
                                                                                            --------
Total comprehensive income                                    --          --          --      56,980
Exercise of stock options, net of
  shares purchased                                         4,234          --          --       4,234
Cash dividends - $0.82 per share                              --     (22,991)         --     (22,991)
Shares acquired for retirement                            (6,983)         --          --      (6,983)
                                                        --------    --------      ------    --------
Balance - December 31, 1998                             $117,525    $319,500      $4,057    $441,082
                                                        ========    ========      ======    ========
- - ----------------------------------------------------------------------------------------------------
</TABLE>
See Notes to Consolidated Financial Statements.



                                    49

<PAGE>   50


<TABLE>
<CAPTION>
- - -------------------------------------------------------------------------------------------------------------------------------
CONSOLIDATED STATEMENTS OF CASH FLOWS
CITIZENS BANKING CORPORATION AND SUBSIDIARIES  
                                                                                            YEAR ENDED DECEMBER 31,
(in thousands)                                                                      1998               1997              1996
- - -------------------------------------------------------------------------------------------------------------------------------
OPERATING ACTIVITIES:
<S>                                                                               <C>               <C>               <C>      
  Net income                                                                      $  56,785         $  31,508         $  42,425
  Adjustments to reconcile net income to net cash provided by                                                     
   operating activities:                                                                                         
    Provision for loan losses                                                        14,090            15,332            12,126
    Depreciation                                                                      8,524             8,927             9,335
    Amortization of goodwill and other intangibles                                    5,545             6,098             6,637
    Intangible asset impairment                                                         ---             7,570               ---
    Deferred income tax (credit)                                                      1,699            (4,714)           (2,391)
    Net amortization on investment securities                                         1,994             1,061             2,080
    Investment securities losses (gains)                                               (145)              787              (611)
    Other                                                                            (5,268)           (3,104)           (4,508)
                                                                                  ---------         ---------         ---------
      Net cash provided by operating activities                                      83,224            63,465            65,093

INVESTING ACTIVITIES:
  Net (increase) decrease in money market investments                               (14,017)            6,649           132,753
  Securities available-for-sale:                                             
   Proceeds from sales                                                               11,628           171,240           116,190
   Proceeds from maturities                                                         342,637           144,916           403,835
   Purchases                                                                       (393,962)         (170,749)         (463,394)
  Net increase in loans and leases                                                  (56,444)         (323,397)         (371,047)
  Purchases of premises and equipment                                               (17,357)           (3,483)           (5,408)
                                                                                  ---------         ---------         ---------
      Net cash used by investing activities                                        (127,515)         (174,824)         (187,071)

FINANCING ACTIVITIES:
  Net increase (decrease) in demand and savings deposits                             99,704           (27,076)          (73,779)
  Net increase (decrease) in time deposits                                          (29,694)          122,671           194,262
  Net increase (decrease) in short-term borrowings                                  (50,559)           (1,939)           24,266
  Proceeds from issuance of long-term debt                                           77,550            70,000            20,000
  Principal reductions in long-term debt                                            (54,778)          (48,661)          (43,196)
  Cash dividends paid                                                               (22,991)          (19,286)          (17,890)
  Proceeds from stock options exercised                                               4,234             1,962             1,523
  Shares acquired for retirement                                                     (6,983)             ---             (3,772)
                                                                                  ---------         ---------         ---------
      Net cash provided by financing activities                                      16,483            97,671           101,414
                                                                                  ---------         ---------         ---------
Net decrease in cash and due from banks                                             (27,808)          (13,688)          (20,564)
Cash and due from banks at beginning of period                                      168,351           182,039           202,603
                                                                                  ---------         ---------         ---------
Cash and due from banks at end of period                                          $ 140,543         $ 168,351         $ 182,039
                                                                                  =========         =========         =========
Supplemental Cash Flow Information:
  Interest paid                                                                   $ 145,837         $ 146,917         $ 136,331
  Income taxes paid                                                                  24,426            17,790            19,560

- - -------------------------------------------------------------------------------------------------------------------------------
</TABLE>

See Notes to Consolidated Financial Statements.


                                       50




<PAGE>   51
                     NOTE 1. SIGNIFICANT ACCOUNTING POLICIES

       The accounting and reporting policies of Citizens Banking Corporation
("Corporation") and its subsidiaries conform to generally accepted accounting
principles. Management makes estimates and assumptions that affect the amounts
reported in the financial statements and accompanying notes. Actual results
could differ from these estimates. The following describes the Corporation's
policies:

CONSOLIDATION
The Consolidated Financial Statements include the accounts of the Corporation
and its subsidiaries after elimination of all material intercompany transactions
and accounts.

INVESTMENT SECURITIES
Investment securities must be classified into three categories:
held-to-maturity, available-for-sale or trading. Only those securities
classified as held-to-maturity are reported at amortized cost, with those
available-for-sale and trading reported at fair value with unrealized gains and
losses included in shareholders' equity or income, respectively. In the event
that an investment security is sold, the adjusted cost of the specific security
sold is used to compute the applicable gain or loss.

ALLOWANCE FOR LOAN LOSSES
The allowance for loan losses is maintained at a level considered by management
to be adequate to absorb losses inherent in the loan portfolio. Management's
evaluation is based on a continuing review of the loan portfolio and includes
consideration of actual loss experience, the financial condition of borrowers,
the size and composition of the loan portfolio, current economic conditions and
other pertinent factors. The allowance is increased by the provision charged to
income and recoveries of loans previously charged off and reduced by loans
charged off.
       The Corporation establishes a valuation allowance for any loans
considered impaired based on periodic review. A loan is considered impaired when
management determines it is probable that all the principal and interest due
under the contractual terms of the loan will not be collected. The impairment is
measured based on the present value of expected future cash flows discounted at
the loan's effective interest rate, the loan's observable market price, or the
fair value of the collateral if the loan is collateral dependent.

PREMISES AND EQUIPMENT
Premises and equipment, including leasehold improvements, are carried at cost
less accumulated depreciation and amortization. Depreciation and amortization
are computed principally on a straight-line basis and are charged to expense
over the lesser of the estimated useful life of the assets or lease term.
Maintenance and repairs as well as gains and losses on dispositions are charged
to expense as incurred.

OTHER REAL ESTATE
Other real estate includes properties acquired in satisfaction of a debt. These
properties are carried at the lower of cost or fair value, net of estimated
costs to sell, based upon current appraised value. Losses arising from the
acquisition of such properties are charged against the allowance for loan
losses. Subsequent valuation adjustments and gains or losses on disposal of
these properties are charged to other expenses as incurred.

INTANGIBLE ASSETS
Goodwill, the unamortized cost of acquiring subsidiaries in excess of the fair
value of identifiable net assets at the date acquired, is amortized on a
straight line basis over 15 years. The carrying amount of goodwill is reviewed
as events or changes in facts and circumstances warrant. The realizability of
goodwill is evaluated by geographic region and is based on a comparison of the
recorded balance of goodwill to the applicable discounted cash flows over the
remaining amortization period of the associated goodwill. To the extent that
impairment may exist, the current carrying amount is reduced by the estimated
shortfall.

INCOME TAXES
The Corporation and its subsidiaries file a consolidated federal income tax
return. Income tax expense is based on income as reported in the Consolidated
Statements of Income. When income and expenses are recognized in different
periods for tax purposes, applicable deferred taxes are provided in the
Consolidated Financial Statements.

LOAN INTEREST AND FEE INCOME
Interest on loans is generally accrued and credited to income based upon the
principal amount outstanding. Loans are placed on nonaccrual status when
collectibility of principal or interest is considered doubtful, or payment of
principal or interest is past due 90 days or more and the loan is not well
secured and in the process of collection. When these loans (including a loan
impaired) are placed on nonaccrual status, all interest previously accrued but
unpaid is reversed against current year interest income. Interest payments
received on nonaccrual loans are credited to income if future collection of
principal is probable. Loans are normally restored to accrual status when
interest and principal payments are current and it is believed that the
financial condition of the borrower has improved to the extent that future
principal and interest payments will be met on a timely basis.


                                       51
<PAGE>   52
       Loan origination fee income, net of direct origination costs and certain
incremental direct costs, is deferred and amortized as a yield adjustment over
the estimated term of the related loans by methods that approximate the level
yield method.

NET INCOME PER SHARE
Basic net income per share is based on net income divided by the weighted
average number of shares outstanding in each period. Diluted net income per
share shows the dilutive effect of additional common shares issuable upon the
assumed exercise of stock options granted under the Corporation's stock option
plans, using the treasury stock method.

CASH FLOWS
For purposes of reporting cash flows, cash and cash equivalents include cash on
hand and amounts due from banks.

RECLASSIFICATIONS
Certain amounts have been reclassified to conform to the current year
presentation.

       NOTE 2. ACQUISITION

       On July 1, 1997, the Corporation merged with CB Financial Corporation
headquartered in Jackson, Michigan. As part of the merger, Citizens issued
6,256,355 shares of its common stock in a tax free exchange for all of the
outstanding shares of CB Financial Corporation. The merger was accounted for as
a pooling of interests resulting in the restatement of all financial information
for the periods presented. The following presents the separate results of
operations for the six month period ending June 30, 1997 (the latest period
immediately preceding the merger) and the year ending December 31, 1996 for CB
Financial Corporation and Citizens Banking Corporation:

<TABLE>
<CAPTION>
- - --------------------------------------------------------------------
                               (unaudited)
(in thousands,except        Six Months Ended         Year Ended
per share data)               June 30, 1997        December 31, 1996
- - --------------------------------------------------------------------
<S>                             <C>                    <C>      
Net Interest Income
  Citizens                      $ 77,080               $ 146,116
  CB Financial                    16,939                  32,508
                                --------               ---------
  Combined                      $ 94,019               $ 178,624
                                ========               =========
Net Income                                                      
  Citizens                      $ 19,315               $  37,421 
  CB Financial                     2,889                   5,004
                                --------               ---------
  Combined                      $ 22,204               $  42,425
                                ========               =========
Diluted net income per                                          
common share                                                    
  Citizens                      $   0.88               $    1.70
  CB Financial                      1.03                    1.79
  Combined                          0.79                    1.50
- - --------------------------------------------------------------------                        
</TABLE>

       NOTE 3. SPECIAL CHARGE

       In the third quarter of 1997 a special charge of $23.7 million ($17.3
million after tax) related to the July 1, 1997 merger with CB Financial
Corporation and the reorganization of Citizens' information technology
operations was recorded. The special charge consisted of $16.1 million of merger
related expenses and $7.6 million related to the information technology
reorganization. An adjustment of $931,000 was recorded against noninterest
expense to eliminate the restructuring liability in 1998.
       The following presents a summary of the special charge activity for 1998
and 1997:

<TABLE>
<CAPTION>
- - -----------------------------------------------------------------
                                         Year Ended December 31,
(in thousands)                             1998         1997
- - -----------------------------------------------------------------
<S>                                      <C>        <C>       
Beginning balance                        $  4,895   $   23,734
Intangible assets impairment                  ---       (7,570)
Premises and equipment writedown             (202)      (2,773)
Cash payments                              (3,762)      (8,496)
Adjustment                                   (931)         ---
                                         --------   ----------
Balance at December 31                   $    ---   $    4,895
                                         ========   ==========
- - -----------------------------------------------------------------
</TABLE>
                                   

       NOTE 4. INVESTMENT SECURITIES
       The amortized cost, estimated fair value and gross unrealized gains and
losses of investment securities follow:

<TABLE>
- - --------------------------------------------------------------------------------------------------------------
                                                        December 31, 1998                                     
                                     -------------------------------------------------------------------      
                                                            Estimated          Gross            Gross         
                                         Amortized            Fair           Unrealized      Unrealized       
(in thousands)                              Cost              Value            Gains           Losses         
- - --------------------------------------------------------------------------------------------------------------
<S>                                  <C>                 <C>              <C>               <C>               
U.S. Treasury                        $    43,621         $   44,180       $      559        $    ---          
Federal agencies:
    Mortgage-backed                      276,855            277,053            1,292           1,094          
    Other                                108,915            109,411              640             144          
State and municipal                      152,681            157,551            5,020             150          
Mortgage and asset-backed                  4,852              4,906               54             ---          
Other                                     20,363             20,428               68               3          
                                     -----------         ----------       ----------        --------          
    Total                            $   607,287         $  613,529       $    7,633        $  1,391          
                                     ===========         ==========       ==========        ========
- - --------------------------------------------------------------------------------------------------------------

<CAPTION>

- - --------------------------------------------------------------------------------------------
                                                       December 31, 1997
                                     -------------------------------------------------------
                                                     Estimated       Gross          Gross
                                      Amortized        Fair        Unrealized    Unrealized
(in thousands)                          Cost           Value         Gains         Losses
- - --------------------------------------------------------------------------------------------
<S>                                  <C>          <C>              <C>         <C>        
U.S. Treasury                        $ 78,458     $    78,805      $   458     $       111
Federal agencies:
    Mortgage-backed                   142,344         143,173        1,071             242
    Other                             167,949         168,069          498             378
State and municipal                   162,351         166,876        4,762             237
Mortgage and asset-backed                 934             959           25             ---
Other                                  17,404          17,500           96             ---
                                     --------     -----------      -------     -----------
    Total                            $569,440     $   575,382      $ 6,910     $       968
                                     ========     ===========      =======     ===========
- - --------------------------------------------------------------------------------------------
</TABLE>



                                       52
<PAGE>   53
       The amortized cost and estimated fair value of debt securities by
contractual maturity at December 31, 1998 are shown below.

<TABLE>
<CAPTION>
- - --------------------------------------------------------------------------------
                                                                     Estimated
                                              Amortized                 Fair
 (in thousands)                                 Cost                   Value
- - --------------------------------------------------------------------------------
<S>                                          <C>                     <C>      
Due within one year                          $ 102,637               $ 103,170
One to five years                               99,729                 101,817
Five to ten years                               53,174                  54,946
After ten years                                 49,677                  51,209
                                             ---------               ---------
                                               305,217                 311,142
Equity securities                               20,363                  20,428
Mortgage and asset-backed
   securities                                  281,707                 281,959
                                             ---------               ---------
   Total                                     $ 607,287               $ 613,529
                                             =========               =========

- - --------------------------------------------------------------------------------
</TABLE>


       Sales of investment securities resulted in realized gains and losses as
follows:

<TABLE>
<CAPTION>
- - --------------------------------------------------------------------------------
                                             Year Ended December 31,

(in thousands)                        1998            1997          1996
- - --------------------------------------------------------------------------------
<S>                                  <C>             <C>            <C>  
Securities gains                     $ 151           $   98         $ 660
Securities losses                       (6)            (885)          (49)
                                     -----           ------         ----- 
Net gain (loss)                      $ 145           $ (787)        $ 611
                                     =====           ======         ===== 
- - --------------------------------------------------------------------------------
</TABLE>


       Investment securities must be classified into three categories:
held-to-maturity, available-for-sale or trading. Only those securities
classified as held-to-maturity are reported at amortized cost, with those
available-for-sale and trading reported at fair value with unrealized gains and
losses included in shareholders' equity or income, respectively. The Corporation
currently holds all investment securities in the available-for-sale category.
       The Financial Accounting Standards Board Statement No. 133 establishes
accounting and reporting standards for hedging activities and for derivative
instruments, including certain derivative instruments embedded in other
contracts. This statement requires a company to recognize all derivatives as
either assets or liabilities in its balance sheet and measure those instruments
at fair value. This statement is effective for all fiscal quarters of fiscal
years beginning after June 15, 1999. The Corporation plans to adopt this
statement effective January 1, 2000. The adoption is not expected to have a
material impact on the Corporation.
       Securities with amortized cost of $218.3 million at December 31, 1998,
and $217.9 million at December 31, 1997, were pledged to secure public deposits,
repurchase agreements, and other liabilities. Except for obligations of the U.S.
Government and its agencies, no holdings of securities of any single issuer
exceeded 10% of consolidated shareholders' equity at December 31, 1998 or 1997.

       NOTE 5. LOANS AND NONPERFORMING ASSETS

       The Corporation extends credit primarily within the local markets of its
two bank subsidiaries located in Michigan and Illinois. The market areas extend
along the Interstate 75 corridor from northern Detroit to the Gaylord area as
well as western suburban Detroit, central, northwestern and southwestern
Michigan. The Illinois affiliate extends credit within the western suburban
market of Chicago. The Corporation seeks to limit its credit risk by
establishing guidelines to review its aggregate outstanding commitments and
loans to particular borrowers, industries and geographic areas. Collateral is
secured based on the nature of the credit and management's credit assessment of
the customer.
       The Corporation's loan portfolio is widely diversified by borrowers with
no concentration within a single industry that exceeds 10% of total loans. The
Corporation has no loans to foreign countries and generally does not participate
in large national loan syndications or highly leveraged transactions. Most of
the Corporation's commercial real estate loans consist of mortgages on
owner-occupied properties. Those borrowers are involved in business activities
other than real estate, and the sources of repayment are not dependent on the
performance of the real estate market.
       A summary of nonperforming assets follows:

<TABLE>
- - -------------------------------------------------------------------------------------------------------------
                                                                           December 31,
(in thousands)                                                 1998                        1997
- - -------------------------------------------------------------------------------------------------------------
Nonperforming loans:
<S>                                                          <C>                          <C>     
  Nonaccrual                                                 $ 21,791                     $ 19,989
  Loans 90 days past due (still accruing)                         801                        1,185
  Restructured                                                    114                          446
                                                             --------                     --------
    Total nonperforming loans                                  22,706                       21,620

Other real estate                                                 508                        1,005
Other assets acquired by repossession                           1,039                        2,343
                                                             --------                     --------
    Total nonperforming assets                               $ 24,253                     $ 24,968
                                                             ========                     ========
- - -------------------------------------------------------------------------------------------------------------
</TABLE>


       The effect of nonperforming loans on interest income follows:

<TABLE>
<CAPTION>
- - -------------------------------------------------------------------------
                                               Year Ended December 31,
(in thousands)                              1998         1997       1996
- - -------------------------------------------------------------------------
<S>                                     <C>          <C>        <C>     
Interest income:
At original contract rates              $  1,946     $  1,861   $  1,702
As actually recognized                     1,247          965        913
                                        --------     --------   --------
  Interest foregone                     $    699     $    896   $    789
                                        ========     ========   ========
- - -------------------------------------------------------------------------
</TABLE>



       There are no significant commitments outstanding to lend additional funds
to clients whose loans were classified as nonaccrual or restructured at December
31, 1998.
       At December 31, 1998, loans considered to be impaired totaled $15.2
million (of which $9.3 million were on a nonaccrual basis). Included within this
amount is $8.8 


                                       53
<PAGE>   54


million of impaired loans for which the related allowance for loan losses is
$1.5 million and $6.4 million of impaired loans for which the fair value 
exceeded the recorded investment in the loan. The average recorded investment in
impaired loans during the year ended December 31, 1998 was approximately $17.9 
million. For the year ended December 31, 1998, the Corporation recognized 
interest income of $.9 million which included $.4 million of interest income 
recognized using the cash basis method of income recognition.
       At December 31, 1997, loans considered to be impaired totaled $16.8
million (of which $9.9 million were on a nonaccrual basis). Included within this
amount is $6.1 million of impaired loans for which the related allowance for
loan losses is $0.9 million and $10.7 million of impaired loans for which the
fair value exceeded the recorded investment in the loan. The average recorded
investment in impaired loans during the year ended December 31, 1997 was
approximately $18.2 million. For the year ended December 31, 1997, the
Corporation recognized interest income of $1.5 million which included $1.0
million of interest income recognized using the cash basis method of income
recognition.
       Certain directors and executive officers of the Corporation and its
significant subsidiaries, including their families and entities in which they
have 10% or more ownership, were clients of the banking subsidiaries. Total
loans to these clients aggregated $22.0 million and $17.1 million at December
31, 1998 and 1997, respectively. During 1998, new loans of $17.2 million were
made and repayments totaled $12.3 million. All such loans were made in the
ordinary course of business on substantially the same terms, including interest
rates and collateral, as those for comparable transactions with unrelated
parties and did not involve more than normal risk of collectibility.

       NOTE 6. ALLOWANCE FOR LOAN LOSSES

       A summary of changes in the allowance for loan losses follows:

<TABLE>
<CAPTION>
- - --------------------------------------------------------------------------------
(in thousands)                 1998            1997             1996
- - --------------------------------------------------------------------------------
<S>                          <C>             <C>              <C>     
Balance - January 1          $ 45,911        $ 42,166         $ 38,705
  Provision for loan losses    14,090          15,332           12,126
  Charge-offs                 (17,379)        (15,585)         (12,895)
  Recoveries                    3,827           3,998            4,230
                             --------        --------         --------
    Net charge-offs           (13,552)        (11,587)          (8,665)
                             --------        --------         --------
Balance - December 31        $ 46,449        $ 45,911         $ 42,166
                             ========        ========         ========
================================================================================
</TABLE>

       NOTE 7. PREMISES AND EQUIPMENT

       A summary of premises and equipment follows:

<TABLE>
<CAPTION>
- - -------------------------------------------------------------
                                           December 31,
(in thousands)                         1998            1997
- - -------------------------------------------------------------
<S>                               <C>              <C>      
Land                              $  12,698        $  12,655
Buildings                            84,003           83,810
Leasehold improvements                5,362            5,391
Furniture and equipment              86,227           84,552
                                  ---------        ---------
                                    188,290          186,408
Accumulated depreciation
  and amortization                 (110,042)        (116,993)
                                  ---------        ---------
Total                             $  78,248        $  69,415
                                  =========        =========
=============================================================
</TABLE>


       Certain branch facilities and equipment are leased under various
operating leases. Total rental expense, including expenses related to these
operating leases, was $4.3 million in 1998, $3.5 million in 1997 and $3.4
million in 1996. Future minimum rental commitments under noncancelable operating
leases are as follows at December 31, 1998: $3.1 million in 1999, $2.8 million
in 2000, $2.1 million in 2001, $1.7 million in 2002, $0.3 million in 2003, and
$1.7 million after 2003.

       NOTE 8. DEPOSITS

       A summary of deposits follows:

<TABLE>
<CAPTION>
- - ----------------------------------------------------------------------
                                                  December 31,
(in thousands)                               1998               1997
- - ----------------------------------------------------------------------
<S>                                  <C>                   <C>        
Noninterest-bearing demand           $     636,059         $   600,498
Interest-bearing demand                    425,711             376,698
Savings                                  1,042,631           1,027,501
Time deposits over $100,000                448,759             457,277
Other time deposits                      1,211,196           1,232,372
                                     -------------         -----------
  Total                              $   3,764,356         $ 3,694,346
                                     =============         ===========
======================================================================
</TABLE>


       Excluded from total deposits are demand deposit account overdrafts which
have been reclassified as loans. At December 31, 1998 and 1997, these overdrafts
totaled $3.4 million and $2.1 million, respectively. Time deposits with
remaining maturities of one year or more are $402.9 million at December 31,
1998. The maturities of these time deposits are as follows: $259.7 million in
2000, $91.2 million in 2001, $22.2 million in 2002, $15.8 million in 2003 and
$14.0 million after 2003.

       NOTE 9. SHORT-TERM BORROWINGS

       Short-term borrowings consist primarily of federal funds purchased and
securities sold under agreements to repurchase. Federal funds purchased are
overnight borrowings from other financial institutions. Securities sold under
agreements to repurchase are secured transactions done principally with clients
and generally mature within thirty days. Other short-term borrowed funds
generally consist only of Federal Home Loan Bank borrowings and demand notes to
the U.S. Treasury.


                                       54
<PAGE>   55

       Information relating to federal funds purchased and securities sold under
agreements to repurchase follows:

<TABLE>
<CAPTION>
- - -----------------------------------------------------------------------------
(in thousands)                       1998             1997           1996
- - -----------------------------------------------------------------------------
At December 31:
<S>                               <C>               <C>            <C>      
  Balance                         $ 111,336         $ 141,713      $ 146,903
  Weighted average
    interest rate paid                 3.76%             5.12%          4.43%
During the year:
  Maximum outstanding
    at any month-end              $ 159,940         $ 226,214      $ 189,504
  Daily average                     109,175           145,152        153,193
  Weighted average
    interest rate paid                 4.47%             4.72%          4.56%

=============================================================================
</TABLE>


       NOTE 10. LONG-TERM DEBT

       A summary of long-term debt follows:

<TABLE>
<CAPTION>
- - -----------------------------------------------------------------
                                                 December 31,
(in thousands)                              1998            1997
- - -----------------------------------------------------------------
Citizens Banking Corporation
(Parent only):
  Revolving credit facility
<S>                                   <C>               <C>      
    maturing December 2001            $    13,000       $  32,991
                                      -----------       ---------
      Total                                13,000          32,991
Subsidiaries:
  FHLB Notes                              117,550          70,000
  Subordinated debt                           ---           4,179
  Other                                       387             995
                                      -----------       ---------
    Total                                 117,937          75,174
                                      -----------       ---------
Total long-term debt                  $   130,937       $ 108,165
                                      ===========       =========
=================================================================
</TABLE>


       The Corporation's Parent company maintains an amortizing revolving credit
facility. As of December 31, 1998, the Corporation had an unused commitment of
$36 million and had repaid the scheduled 1999, 2000 and a portion of the 2001
amount due. The outstanding balance of $13 million at December 31, 1998 is
currently at 6.76% and reprices in March 1999. Interest is payable quarterly and
the remaining principal is due December, 2001. The Parent company services the
debt's principal and interest payments with dividends from the subsidiary banks.
The agreement also requires the Corporation to maintain certain financial
covenants. The Corporation is in full compliance with all debt covenants as of
December 31, 1998.
       At December 31, 1998 five long-term debt borrowings totaling $117.6
million from the Federal Home Loan Bank are outstanding. The details are as
follows: The first originated in September 1997, for $25 million on a five year
note at an interest rate of 5.68% which may reprice on September 30, 1999. The
second in October 1997 was for $15 million on a two year note at an interest
rate of 5.77%. The third in January 1998 was for $10 million on a ten year term
at an interest rate of 5.53% which may reprice in January 2003. The fourth in
February 1998 was for $50 million, 10 year term at an interest rate of 4.86%
which may reprice after 1 year. The fifth in August 1998 was for $17.6 million
on a one-year note at an interest rate of 5.46%. For those that may reprice
prior to maturity, repricing will be based upon the three month LIBOR rate.
       Maturities of long-term debt during the next five years follow:

<TABLE>
<CAPTION>
- - --------------------------------------------------------------------------
(in thousands)         Parent         Subsidiaries         Consolidated
- - --------------------------------------------------------------------------
<C>                    <C>              <C>                  <C>       
1999                   $     ---        $   32,687           $   32,687
2000                         ---                31                   31
2001                      13,000                36               13,036
2002                         ---            25,042               25,042
2003                         ---                48                   48
Over 5 Years                 ---            60,093               60,093
                       ---------        ----------           ----------
  Total                $  13,000        $  117,937           $  130,937
                       =========        ==========           ==========

=========================================================================
</TABLE>


       NOTE 11. EMPLOYEE BENEFIT PLANS

PENSION AND POSTRETIREMENT BENEFITS
The Corporation has a noncontributory, defined benefit pension plan covering
substantially all employees. Retirement benefits are based on the employee's
length of service and salary levels. Actuarially determined pension costs are
charged to current operations. The funding policy is to contribute annually an
amount sufficient to meet the minimum funding requirements set forth in the
Employee Retirement Income Security Act of 1974, plus such additional amounts as
the Corporation may determine to be appropriate. The Corporation also maintains
nonqualified supplemental benefit plans for certain key employees. The defined
pension benefits provided under these plans are unfunded and any payments to
plan participants are made by the Corporation.
       The Corporation has a postretirement benefit plan offering medical and
life insurance benefits (the "Corporate Plan"). The plan, as amended, is
available to full-time employees who retire at normal retirement age, have
attained age 50 prior to January 1, 1993 and have at least 15 years of credited
service under the Corporation's defined benefit pension plan. The medical
portion of the plan is contributory to the participants. The life insurance
coverage is noncontributory and provided on a reducing basis for 5 years. Those
retired prior to January 1, 1993 receive benefits provided by the plan prior to
its amendment. That plan included dental care, had some contribution
requirements, and has less restrictive eligibility requirements. In addition,
the Corporation also maintains a postretirement benefit plan offering subsidized
health care to full-time employees of the former CB Financial Corporation, (the
"merged bank") acquired on July 1, 1997. In January 1998, the plan was amended
to match benefits with the Corporate Plan. In December 1997, the employee
eligibility requirements of the plan were modified, effective January 1, 1998,
to conform to the Corporate Plan. This resulted in a curtailment gain of
$272,000 offset by a corresponding reduction in the plan's previously
unrecognized net deferred loss.


                                   

                                       55



                                      
<PAGE>   56



       The following table summarizes plan asset and benefit obligation
activity, reconciles the funded status of the plans with amounts reported in the
Corporation's consolidated balance sheets, and lists the assumptions used in
determining the actuarial present value of the benefit obligation.

<TABLE>
<CAPTION>
- - --------------------------------------------------------------------------------------
                                                                       Other Post-
                                               Pension                 Retirement
                                              Benefits                  Benefits
                                       ------------------------- ---------------------
(in thousands)                            1998         1997         1998        1997
- - --------------------------------------------------------------------------------------
CHANGE IN PLAN ASSETS
<S>                                      <C>         <C>           <C>         <C>    
Fair value of plan assets
  at beginning of year                   $ 52,417    $ 45,638      $   ---     $   ---
Actual return on plan assets                6,554       8,654          ---         ---
Employer contribution                         214         218          920       1,112
Participant contribution                      ---         ---           83          83
Expenses paid                                 (99)        (90)         ---         ---
Benefits paid                              (2,293)     (2,003)      (1,003)     (1,195)
                                         --------    --------      -------     -------
Fair value of plan assets
  at end of year                           56,793      52,417          ---         ---
                                         --------    --------      -------     -------
CHANGE IN BENEFIT OBLIGATION
Benefit obligation
  at beginning of year                     43,337      39,010       13,513      12,907
Service cost                                2,023       2,021           16          40
Interest cost                               3,259       3,038          936         995
Participant contribution                      ---         ---           83          83
Actuarial (gains) losses                    3,138       1,271         (122)        955
Curtailment gain                              ---         ---          ---        (272)
Plan amendment                                ---         ---         (192)        ---
Benefits paid                              (2,293)     (2,003)      (1,003)     (1,195)
                                         --------    --------      -------     -------
Benefit obligation
  at end of year                           49,464      43,337       13,231      13,513
                                         --------    --------      -------     -------
RECONCILIATION OF FUNDED STATUS
Funded status of the plans                  7,329       9,080      (13,231)    (13,513)
Unrecognized:
  Net asset at transition -
    recognized over 16 yrs.                  (537)       (701)         ---         ---
  Prior service cost                          436         543         (886)     (1,154)
  Net actuarial gain                      (11,023)    (12,149)      (1,885)     (1,825)
                                         --------    --------      -------     -------
Accrued benefit cost
  recognized in the
  consolidated balance
  sheets                                 $ (3,795)   $ (3,227)   $ (16,002)  $ (16,492)
                                         ========    ========    =========   =========
======================================================================================
WEIGHTED-AVERAGE ASSUMPTIONS
  AS OF DECEMBER 31
Discount rate                                7.25%       7.75%        7.25%       7.75%
Rate of compensation
  increase                                     (1)         (1)          (1)         (1)
Expected return on
  plan assets                                9.75        9.25          ---         ---

======================================================================================
</TABLE>

(1) Scaled by age of plan participant - 9.00% at age 24 or under declining to
    4.00% at age 50 or older.

       The accrued pension benefit cost shown above includes the pension
liabilities for plans where accumulated plan benefits exceed assets. The
projected benefit obligation and accumulated benefit obligation for these
supplemental benefit plans were approximately $3.2 and $3.0 million,
respectively, as of December 31, 1998 and $3.0 and $2.8 million, respectively,
as of December 31, 1997.
       Plan assets of the defined benefit pension plan consisted primarily of
mutual and money market funds, and listed bonds and equity securities, including
$704,000 and $674,000 of Citizens Banking Corporation common stock at December
31, 1998 and 1997, respectively.
       The components of net periodic benefit cost charged to operations each
year follow:

<TABLE>
<CAPTION>
- - ------------------------------------------------------------------------------
                                                 Year Ended December 31,
                                         -------------------------------------
(in thousands)                               1998          1997         1996
- - ------------------------------------------------------------------------------
DEFINED BENEFIT PENSION PLANS:
<S>                                         <C>          <C>          <C>    
  Service cost                              $ 2,023      $ 2,021      $ 2,085
  Interest cost                               3,259        3,038        2,779
  Expected return on plan assets             (4,235)      (3,824)      (3,631)
  Amortization of unrecognized:
   Net transition asset                        (164)        (164)        (164)
   Prior service cost                           107          125           88
   Net actuarial gain                          (209)        (212)        (102)
                                            -------      -------      -------
     Net pension cost                           781          984        1,055
                                            -------      -------      -------
POSTRETIREMENT BENEFIT PLANS:
  Service cost                                   16           40           32
  Interest cost                                 936          995          984
  Amortization of unrecognized:
   Prior service cost                          (460)        (438)        (438)
   Net actuarial gain                           (62)        (127)        (115)
                                            -------      -------      -------
     Net postretirement benefit cost            430          470          463
                                            -------      -------      -------
DEFINED CONTRIBUTION RETIREMENT
AND 401(K) PLANS
  Employer contributions                      2,102        2,111        2,446
                                            -------      -------      -------
     Total periodic benefit cost            $ 3,313      $ 3,565      $ 3,964
                                            =======      =======      =======

==============================================================================
</TABLE>

       Prior service pension costs are amortized on a straight-line basis over
the average remaining service period of employees expected to receive benefits
under the plans. For the postretirement benefit plans, the Corporation assumed a
6% weighted-average annual rate of increase in the per capita cost of covered
health care benefits (the health care cost trend rate) for 1999, decreasing 1%
annually to 5% by the year 2000, after which the costs would remain level. This
assumption has a significant effect on the amounts reported. A
one-percentage-point change in assumed health care cost trend rates would have
the following effects:

<TABLE>
<CAPTION>
- - ----------------------------------------------------------------------
                                    One Percentage   One Percentage
(in thousands)                      Point Increase   Point Decrease
- - ----------------------------------------------------------------------
<S>                                     <C>             <C>
Effect on total of service and
  interest cost components                $ 82            $ (71)
Effect on the postretirement
  benefit obligation                     1,184           (1,028)

======================================================================
</TABLE>


                                       56
<PAGE>   57
DEFINED CONTRIBUTION SAVINGS AND RETIREMENT PLANS
The Corporation maintains a defined contribution 401(k) savings plan ("Corporate
401(k) Plan") covering substantially all full-time employees. Under the plan,
employee contributions are partially matched by the Corporation. The employer
matching contribution is 75 percent of the first 6% (100 percent of the first 3%
plus 50 percent of the next 3%) of each eligible employee's qualifying salary
contributed to the plan. In addition, one third of these matching contributions
are used to fund a postretirement medical savings account established within the
plan for each contributing employee. Effective July 1, 1997, the Corporation
merged the defined contribution 401(k) savings plan of the merged bank into the
Corporate 401(k) Plan.
       The merged bank also maintained a defined contribution retirement plan.
Under this plan, the company contributed 8% of the qualifying salary for each
eligible employee. The merged bank terminated this plan, effective June 30,
1997. Plan assets of $3.2 million at December 31, 1997 were distributed to
eligible employees. Employer contributions to defined contribution plans, shown
in the net periodic benefit cost table presented above, included $335,000 in
1997 and $594,000 in 1996 for this plan.

       NOTE 12. INCOME TAXES

       Deferred income taxes reflect the net tax effects of temporary
differences between the carrying amounts of assets and liabilities for financial
reporting purposes and the amounts used for income tax purposes. Significant
components of the Corporation's deferred tax assets and liabilities as of
December 31, 1998 and 1997 follow:

<TABLE>
<CAPTION>
- - ------------------------------------------------------------
(in thousands)                           1998        1997
- - ------------------------------------------------------------
Deferred tax assets:
<S>                                    <C>         <C>     
  Allowance for loan losses            $ 16,257    $ 16,069
  Accrued postemployment
    benefits other than pensions          5,601       5,772
  Accrued restructuring charge                -       1,713
  Other deferred tax assets               5,509       5,702
                                       --------    --------
     Total deferred tax assets           27,367      29,256
                                       --------    --------
Deferred tax liabilities:
  Acquisition premium on loans            3,753       4,222
  Tax over book depreciation              2,214       1,783
  Net unrealized gains on securities      2,185       2,080
  Other deferred tax liabilities          1,157       1,681
                                       --------    --------
     Total deferred tax liabilities       9,309       9,766
                                       --------    --------
     Net deferred tax assets           $ 18,058    $ 19,490
                                       ========    ========
============================================================
</TABLE>


       Income tax expense consists of the following:

<TABLE>
<CAPTION>
- - --------------------------------------------------------------------
                                     Year Ended December 31,
(in thousands)                    1998         1997        1996
- - --------------------------------------------------------------------

<S>                               <C>          <C>         <C>     
Currently payable                 $ 23,233     $ 19,255    $ 19,433
Deferred taxes (credit)              1,699       (4,714)     (2,391)
                                  --------     --------    --------
Total income tax expense          $ 24,932     $ 14,541    $ 17,042
                                  ========     ========    ========
====================================================================
</TABLE>

       A reconciliation of income tax expense to the amount computed by applying
the federal statutory rate of 35% to income before income taxes follows:

<TABLE>
<CAPTION>
- - ----------------------------------------------------------------------
                                       Year Ended December 31,
(in thousands)                       1998         1997       1996
- - ----------------------------------------------------------------------
<S>                                <C>        <C>         <C>     
Tax at federal statutory rate
  applied to income before
  income taxes                     $ 28,601   $ 16,117    $ 20,813
Increase (decrease) in taxes
  resulting from:
    Tax-exempt interest              (3,474)    (3,534)     (3,887)
    Other                              (195)     1,958         116
                                   --------   --------    --------
  Total income tax expense         $ 24,932   $ 14,541    $ 17,042
                                   ========   ========    ========
=======================================================================
</TABLE>


       NOTE 13. EARNINGS PER SHARE

       A reconciliation of the numerators and denominators of the basic and
diluted earnings per share computations follows:

<TABLE>
<CAPTION>
- - ------------------------------------------------------------------------
                                            Year Ended December 31,
(in thousands)                           1998        1997        1996
- - ------------------------------------------------------------------------
<S>                                   <C>         <C>         <C>
Numerator:
 Numerator for basic and
   dilutive earnings per share --
   net income available to
   common shareholders                 $ 56,785    $ 31,508    $ 42,425
                                       ========    ========    ========
Denominator:
 Denominator for basic
   earnings per share --
   weighted average shares               28,128      27,879      27,844
 Effect of dilutive
   securities - potential
   conversion of employee
   stock options                            615         541         415
                                       --------    --------    --------
 Denominator for diluted
   earnings per share --
   adjusted weighted-average
   shares and assumed                    28,743      28,420      28,259
                                       ========    ========    ========
Basic earnings per share               $   2.02    $   1.13    $   1.52
                                       ========    ========    ========
Diluted earnings per share             $   1.98    $   1.11    $   1.50
                                       ========    ========    ========
========================================================================
</TABLE>


       All employee stock options were dilutive except for options granted in
1998. See Note 14 for additional disclosures regarding employee stock options.



                                       57
<PAGE>   58





        NOTE 14. SHAREHOLDERS' EQUITY

       In October 1997, the Corporation declared a three-for-two stock split
effected in the form of a dividend paid November 18, 1997 to shareholders of
record on October 27, 1997. All share and per share amounts have been restated
to give effect to the split.

SHAREHOLDERS' RIGHTS PLAN
The Corporation's Shareholders' Rights Plan is designed to provide certain
assurances that all shareholders are treated fairly in connection with certain
types of business transactions involving an attempt to acquire controlling
interest in the Corporation. Under the plan, one right attaches to each
outstanding share of common stock and represents the right to purchase from the
Corporation 1/100th of a share of a new series of preferred stock at the initial
exercise price of $25.00 per 1/100th of a share. The rights become exercisable
only if a person or group without Board approval announces an intention to
acquire 15% or more of the Corporation's outstanding common stock or makes a
tender offer for that amount of stock. Upon the occurrence of such an event,
each right entitles the holder (other than the acquiror) to purchase one share
of common stock of the Corporation or the surviving company at 50% of the market
price. These rights are redeemable by the Board for 1/3 of $0.01 per right and
expire July 20, 2000. The rights will cause substantial dilution to a person or
entity attempting to acquire the Corporation without conditioning the offer on
the rights being redeemed by the Board.

STOCK REPURCHASE PLAN
The Corporation initiated a stock repurchase program in May 1998. This program
authorizes the Corporation to purchase up to 600,000 shares for treasury in
satisfaction of its obligation to issue shares upon the exercise of stock
options. As of December 31, 1998, a total of 209,300 shares have been purchased
at an average price of $33.36. A total of 100,890 of these shares have been
reissued for the exercise of stock options. The remaining treasury shares have
been accorded the accounting treatment as if retired.
       Through January 1997, the Corporation had acquired 1,891,455 shares under
the previous stock repurchase program. The Corporation's Board of Directors
rescinded this plan on January 27, 1997 in conjunction with the agreement to
acquire CB Financial Corporation. All shares purchased under the rescinded plan
were reissued in connection with the July 1, 1997 merger.

STOCK OPTION PLAN
The Corporation's stock option plan, as amended and restated in April 1997,
authorizes the granting of incentive and nonqualified stock options, tandem
stock appreciation rights, restricted stock and performance share grants to key
employees. Aggregate grants under the plan may not exceed 3,000,000 shares
within any six-year period and are limited annually to 3% of the Corporation's
outstanding common stock as of the first day of the year, plus any unused shares
that first become available for grants in the prior year. All stock options
outstanding under the plan have been granted at a price not less than the fair
market value of the shares on the date of grant.
       Replacement options were granted under certain circumstances upon
exercise of a nonqualified stock option by payment of the exercise price with
shares of the Corporation's common stock. A replacement option provided the
employee with a new option to purchase the number of shares surrendered at an
option price equal to the fair market value of the Corporation's common stock on
the date the underlying nonqualified stock option was exercised. During 1997 and
1996, a total of 167,705 and 215,397 shares, respectively, were surrendered by
employees for payment to the Corporation for stock option exercises for which an
equal number of replacement options were granted. No replacement options have
been granted since May 1997.
       Options may be granted until January 16, 2002 and expire ten years from
the date of grant. Options granted since April 1992 are exercisable subject to a
predetermined vesting schedule based on achievement of certain return on average
asset or earnings per share targets. As of December 31, 1998, a total of 238,582
shares were not exercisable subject to future achievement of the performance
targets. These options become exercisable after five years if the performance
targets are not met. Canceled or expired options become available for future
grants.
       The Corporation has elected to follow Accounting Principles Board Opinion
No. 25, "Accounting for Stock issued to Employees" ("APB 25") and related
Interpretations in accounting for its employee stock options as permitted by
Financial Accounting Standards Board Statement No. 123, "Accounting for
Stock-Based Compensation." Under APB 25, no compensation expense is recognized
by the Corporation because the exercise price of the stock options equals the
market price of the underlying stock on the date of grant.
       Statement 123 requires certain pro forma disclosures regarding net income
and earnings per share as if the Corporation had accounted for its stock options
under the fair value method of that statement. The following table provides
these disclosures along with significant assumptions used to estimate the fair
value of these options:

<TABLE>
<CAPTION>
- - -------------------------------------------------------------
                            1998      1997        1996
- - -------------------------------------------------------------
<S>                          <C>       <C>         <C>    
Pro forma amounts:
  Net income (in thousands)  $55,881     $30,658     $41,756
  Net income per share:
    Basic                       1.99        1.10        1.50
    Diluted                     1.95        1.08        1.48
Assumptions:
  Dividend yield                 3.0%        3.5%        3.5%
  Expected volatility           18.7%       17.0%       18.6%
  Risk-free interest rate       5.72%  5.46-6.57%  4.84-6.43%
  Expected lives               5 YRS.    1-5 yrs.    1-5 yrs.
=============================================================
</TABLE>




                                       58
<PAGE>   59


       A summary of stock option transactions under the plan for 1998, 1997 and
1996 follows:

<TABLE>
<CAPTION>

- - --------------------------------------------------------------------------------------
                                  Options                           Option Price
                         --------------------------       ----------------------------
                         Available                          Per Share
                         for Grant      Outstanding           Range           Average
- - --------------------------------------------------------------------------------------
<S>                       <C>            <C>             <C>                 <C>      
January 1, 1996           603,351        1,702,310       $6.583-20.542       $   13.24
  Authorized              275,700             --                   --             --
  Granted                (523,047)         523,047       18.792-20.583           19.64
  Exercised                  --           (417,297)       6.583-20.542           13.86
  Canceled                  8,955           (8,955)      17.333-19.583           17.71
                         --------        ---------       -------------       --------- 
December 31, 1996         364,959        1,799,105        6.583-20.583           14.93
  Authorized              251,401             --                   --             --
  Granted                (558,005)         558,005       20.750-22.000           21.73
  Exercised                  --           (477,055)       6.583-20.583           14.91
  Canceled                 13,938          (13,938)      17.333-19.583           18.70
                         --------        ---------       -------------       --------- 
December 31, 1997          72,293        1,866,117        6.583-22.000           16.95
  AUTHORIZED              810,872             --                   --              --
  GRANTED                (320,600)         320,600              35.625           35.63
  EXERCISED                  --           (260,588)       6.583-21.833           15.02
  CANCELED                  5,208           (5,208)      17.333-35.625           27.77
                         --------        ---------       -------------       --------- 
DECEMBER 31, 1998         567,773        1,920,921        7.417-35.625           20.29
                         ========        =========       =============       ========= 
======================================================================================
</TABLE>


       The following table summarizes information on stock options outstanding
at December 31, 1998:

<TABLE>
<CAPTION>
- - -------------------------------------------------------------------------------------------------------------
                                        Options Outstanding                          Options Exercisable
                           --------------------------------------------------   -----------------------------
                                          Weighted-Average   Weighted-Average                Weighted-Average
       Range               Outstanding      Remain Life      Exercise Price     Exercisable   Exercise Price
- - -------------------------------------------------------------------------------------------------------------
<S>                          <C>              <C>                <C>              <C>            <C>   
    7.42 - 15.00             424,203          2.1 years          $ 9.24           424,203        $ 9.24
   15.00 - 21.00             648,247          6.2                 18.81           648,247         18.81
   21.00 - 35.63             848,471          7.9                 26.95           609,889         23.56
                           ---------                                            ---------
    7.42 - 35.63           1,920,921          6.0                 20.29         1,682,339         18.12
                           =========                                            =========
=============================================================================================================
</TABLE>


       NOTE 15. COMMITMENTS AND CONTINGENT
       LIABILITIES

       The Consolidated Financial Statements do not reflect various loan
commitments (unfunded loans and unused lines of credit) and letters of credit
originated in the normal course of business. Loan commitments are made to
accommodate the financial needs of clients. Generally, new loan commitments do
not extend beyond 90 days and unused lines of credit are reviewed at least
annually. Letters of credit guarantee future payment of client financial
obligations to third parties. They are issued primarily for services provided or
to facilitate the shipment of goods, and generally expire within one year. Both
arrangements have essentially the same level of credit risk as that associated
with extending loans to clients and are subject to the Corporation's normal
credit policies. Inasmuch as these arrangements generally have fixed expiration
dates or other termination clauses, most expire unfunded and do not necessarily
represent future liquidity requirements. Collateral is obtained based on
management's assessment of the client and may include receivables, inventories,
real property and equipment.
       Amounts available to clients under loan commitments and letters of credit
follow:

<TABLE>
<CAPTION>

- - -----------------------------------------------------------
                                          December 31,
(in thousands)                       1998            1997
- - -----------------------------------------------------------
<S>                              <C>             <C>       
Loan commitments:
    Commercial                   $  884,811      $  746,926
    Real estate construction         58,717          32,883
    Real estate mortgage             39,525          25,023
    Credit card and home    
      equity credit lines           383,526         356,535
    Other consumer                   13,018          21,333
                                 ----------      ----------
      Total                      $1,379,597      $1,182,700
                                 ==========      ==========
                                  
Standby letters of credit        $   22,229      $   32,541
Commercial letter of credit          44,154              --
===========================================================
</TABLE>


       The Corporation and its subsidiaries are parties to 


                                       59
<PAGE>   60

litigation arising in the ordinary course of business. Management believes that
the aggregate liability, if any, resulting from these proceedings would not have
a material effect on the Corporation's consolidated financial position.

       NOTE 16. FAIR VALUES OF FINANCIAL INSTRUMENTS

       The following disclosure of the estimated fair value of financial 
instruments is made in accordance with the requirements of Financial Accounting
Standards Board Statement No. 107, "Disclosure About Fair Value of Financial
Instruments" ("SFAS 107"). Where quoted market prices are not available, as is
the case for a significant portion of the Corporation's financial instruments,
the fair values are based on estimates using present value or other valuation
techniques. These techniques are significantly affected by the assumptions used,
including the discount rate and estimates of future cash flows. Accordingly, the
derived fair value estimates presented herein cannot be substantiated by
comparison to independent markets and are not necessarily indicative of the
amounts the Corporation could realize in a current market exchange. 

       In addition, the fair value estimates are based on existing on- and
off-balance sheet financial instruments without attempting to estimate the value
of anticipated future business and the value of assets and liabilities that are
not considered financial instruments. For example, the Corporation has a
substantial trust department that contributes net fee income annually. The trust
department is not considered a financial instrument and its value has not been
incorporated into the fair value estimates. Other significant assets and
liabilities that are not considered financial assets or liabilities include the
Corporation's brokerage network, net deferred tax asset, premises and equipment,
goodwill and deposit based intangibles. In addition, tax ramifications related
to the recognition of unrealized gains and losses such as those within the
investment securities portfolio can also have a significant effect on estimated
fair values and have not been considered in the estimates. Accordingly, the
aggregate fair value amounts do not represent the underlying value of the
Corporation. The estimated fair values of the Corporation's financial
instruments follow:

<TABLE>
<CAPTION>

- - --------------------------------------------------------------------------------------------------------------------
                                                              DECEMBER 31, 1998               December 31, 1997
                                                           ------------------------        -------------------------
                                                           CARRYING      ESTIMATED         Carrying       Estimated
(in thousands)                                              AMOUNT       FAIR VALUE         Amount        Fair Value
- - --------------------------------------------------------------------------------------------------------------------
<S>                                                      <C>             <C>             <C>             <C>       
Financial assets:
     Cash and money market investments                   $  166,782      $  166,800      $  180,573      $  180,600
     Investment securities                                  613,529         613,500         575,382         575,400
     Net loans(1)                                         3,520,466       3,613,900       3,458,024       3,525,600
Financial liabilities:
     Deposits                                             3,764,356       3,778,300       3,694,346       3,699,200
     Short-term borrowings                                  124,307         124,300         174,866         174,900
     Long-term debt                                         130,937         127,200         108,165         108,600
Off-balance sheet financial instrument liabilities:
     Loan commitments                                          --             1,938            --             1,614
     Standby and commercial letters of credit                  --               332            --               173
====================================================================================================================
</TABLE>

(1) Excludes lease financing which for purposes of SFAS 107 disclosure is not
    considered a financial instrument.

       The various methods and assumptions used by the Corporation in estimating
fair value for its financial instruments are set forth below:

CASH AND MONEY MARKET INVESTMENTS
The carrying amounts reported in the balance sheet for cash and money market
investments approximate those assets' fair values because they mature within six
months and do not present unanticipated credit concerns.

INVESTMENT SECURITIES (INCLUDING MORTGAGE-BACKED AND ASSET-BACKED SECURITIES)
The carrying amounts reported in the balance sheet for investment securities
approximate those assets' fair values as all investment securities are being
classified in the available-for-sale category. SFAS 115 requires securities
carried in the available-for-sale category to be carried at fair value. See Note
4. The fair values are based on quoted market prices, where available. If quoted
market prices are not available, fair values are based on quoted market prices
of comparable instruments.

LOANS RECEIVABLE
Fair values are estimated for portfolios of loans with similar financial
characteristics. Loans are segregated by type such as commercial, commercial
real estate, residential mortgage, credit card, and other consumer. Each loan
category is further segmented into fixed and variable-rate interest types and
for certain categories by performing and nonperforming.
       For performing variable-rate loans that reprice 


                                       60
<PAGE>   61
 
frequently (within six months) and with no significant change in credit risk,
fair values are based on carrying values. Similarly, for credit card loans with
no significant credit concerns and average interest rates approximating current
market origination rates, the carrying amount is a reasonable estimate of fair
value.
       Fair values of other loans (e.g., fixed-rate commercial, commercial real
estate, residential mortgage and other consumer loans) are estimated by
discounting the future cash flows using interest rates currently being offered
by the Corporation for loans with similar terms and remaining maturities ("new
loan rates"). Management believes the risk factor embedded in the new loan rates
adequately represents the credit risk within the portfolios.
       Fair values for nonperforming loans are estimated after giving
consideration to credit risk and estimated cash flows and discount rates based
on available market and specific borrower information. The carrying amount of
accrued interest for all loan types approximates its fair value.

DEPOSIT LIABILITIES
Under SFAS 107, the fair value of demand deposits (e.g., interest and
noninterest checking, passbook savings and certain types of money market
accounts) are, by definition, equal to the amount payable on demand at the
reporting date (i.e., their carrying amounts). Fair values for certificates of
deposit are based on the discounted value of contractual cash flows. The
discount rate is estimated using the rates currently offered for certificates of
similar remaining maturities.

SHORT-TERM BORROWINGS
The carrying amounts of federal funds purchased, securities sold under agreement
to repurchase and other short-term borrowings approximate their fair values.

LONG-TERM DEBT
The carrying value of the Corporation's variable-rate long-term debt
approximates its fair value. The fair value of its fixed-rate long-term debt
(other than deposits) is estimated using discounted cash flow analyses, based on
the Corporation's current incremental borrowing rates for similar types of
borrowings arrangements.

LOAN COMMITMENTS AND LETTERS OF CREDIT
The fair value of loan commitments and letter of credit guarantees is based on
fees currently charged to enter into similar agreements, taking into account the
remaining terms of the agreements and the counterparties' credit standing.

       NOTE 17. LINES OF BUSINESS

       The financial performance of the Corporation is monitored by an internal
profitability measurement system, which provides line of business results and
key performance measures. The profitability measurement system is based on
internal management methodologies designed to produce consistent results and
reflect the underlying economics of the businesses. The development and
application of these methodologies is a dynamic process. Accordingly, these
measurement tools and assumptions may be revised periodically to reflect
methodological, product, and/or management organizational changes. Further,
these policies measure financial results that support the strategic objectives
and internal organizational structure of the Corporation. Consequently, the
information presented is not necessarily comparable with similar information for
other institutions.
       The Corporation is managed along the following business lines: Commercial
Banking, Retail Banking, Financial Services, and all other.

COMMERCIAL BANKING
Commercial Banking provides a full range of credit and related financial
services to middle market corporate, government and leasing clients. Products
and services offered include commercial loans, commercial mortgages, letters of
credit, deposit accounts, cash management and international trade services.

RETAIL BANKING
Retail Banking includes consumer lending and deposit gathering, electronic
banking, residential mortgage loan origination and servicing, and small business
banking. This line of business offers a variety of retail financial products and
services including deposit accounts, direct and indirect installment loans,
debit and credit cards, home equity lines of credit, residential mortgage loans
and ATM network services.

FINANCIAL SERVICES
Financial Services provides commercial and retail clients with private banking,
trust and investment, retirement plan, and brokerage and insurance services.
Private banking focuses on high net-worth customers and offers a broad array of
asset management, estate settlement and administration, deposit and credit
products. Trust and investment includes personal trust and planning services,
investment management services, estate settlement, administration and advises
the Golden Oak family of mutual funds. Retirement plan services focus on
investment management and fiduciary activities with special emphasis on 401(k)
plans. The brokerage and insurance businesses deliver the Corporation's retail
mutual funds, other securities, variable and fixed annuities, personal
disability and life insurance products and discounted brokerage services.

ALL OTHER
All other includes activities that are not directly attributable to one of the
three major lines of business. Included in this category is the parent company,
the Corporation's securities portfolio and asset liability management
activities, inter-company eliminations, and the economic impact of certain
assets, capital and support functions not specifically identifiable with the
three primary lines of business.



                                       61
<PAGE>   62
       The accounting policies on the individual business units are the same as
those of the Corporation described in Note 1 to the Consolidated Financial
Statements. Funds transfer pricing is used in the determination of net interest
income by assigning a standard cost for funds used or credit for funds provided
to assets and liabilities within each business unit. Assets and liabilities are
match-funded based on their maturity, prepayment and/or repricing
characteristics. Noninterest income and expenses directly attributable to a line
of business are assigned to that business. Expenses for centrally provided
services are allocated to the business lines as follows: product processing and
technology expenditures are allocated based on standard unit costs applied to
actual volume measurements; corporate overhead is allocated based on the ratio
of a line of business' noninterest expenses to total noninterest expenses
incurred by all business lines. The provision for loan losses was allocated in
an amount based primarily upon the actual net charge-offs of each respective
line of business, adjusted for loan growth and changes in risk profile. Selected
segment information is included in the following table.

<TABLE>
<CAPTION>
- - -----------------------------------------------------------------------------------------------------------------------------
LINE OF BUSINESS INFORMATION
                                                     Commercial             Retail       Financial
(in thousands)                                        Banking              Banking        Services      Other        Total   
- - -----------------------------------------------------------------------------------------------------------------------------
EARNINGS SUMMARY - 1998                                                                                                      
<S>                                                  <C>                  <C>             <C>           <C>         <C>      
Net interest income (taxable equivalent)             $  67,114            $ 117,784       $  1,844      $  17,109   $ 203,851
Provision for loan losses                                4,780                9,099            ---            211      14,090
                                                     ---------            ---------       --------      ---------   ---------
  Net interest income after provision                   62,334              108,685          1,844         16,898     189,761
Noninterest income                                       8,588               25,744         21,090            830      56,252
Noninterest expense                                     37,563               88,553         18,071         14,104     158,291
                                                     ---------            ---------       --------      ---------   ---------
  Income before income taxes                            33,359               45,876          4,863          3,624      87,722
Income tax expense (taxable equivalent)                 11,675               16,057          1,702          1,503      30,937
                                                     ---------            ---------       --------      ---------   ---------
  Net income                                         $  21,684            $  29,819       $  3,161      $   2,121   $  56,785
                                                     =========            =========       ========      =========   =========
                                                                                                                             
AVERAGE ASSETS (IN MILLIONS)                         $   1,445            $   2,112       $     21      $     872   $   4,450
                                                     =========            =========       ========      =========   =========
                                                                                                                             
=============================================================================================================================
EARNINGS SUMMARY - 1997                                                                                                      
Net interest income (taxable equivalent)             $  57,862            $ 119,054       $  1,492      $  19,572   $ 197,980
Provision for loan losses                                3,340               11,435            ---            557      15,332
                                                     ---------            ---------       --------      ---------   ---------
  Net interest income after provision                   54,522              107,619          1,492         19,015     182,648
Noninterest income                                       8,108               21,274         17,486           (174)     46,694
Noninterest expense:                                                                                                         
    Special charge                                         ---                  ---            ---         23,734      23,734
    Other                                               35,215               84,973         16,877         16,362     153,427
                                                     ---------            ---------       --------      ---------   ---------
  Income (loss) before income taxes                     27,415               43,920          2,101        (21,255)     52,181
Income tax expense (taxable equivalent)                  9,596               15,372            735         (5,030)     20,673
                                                     ---------            ---------       --------      ---------   ---------
  Net income (loss)                                  $  17,819            $  28,548       $  1,366      $ (16,225)  $  31,508
                                                     =========            =========       ========      =========   =========
                                                                                                                             
AVERAGE ASSETS (IN MILLIONS)                         $   1,310            $   2,138       $     18      $     906   $   4,372
                                                     =========            =========       ========      =========   =========
                                                                                                                             
=============================================================================================================================
EARNINGS SUMMARY - 1996                                                                                                      
Net interest income (taxable equivalent)             $  56,098            $ 112,092       $  1,494      $  15,626   $ 185,310
Provision for loan losses                                4,515                7,513            ---             98      12,126
                                                     ---------            ---------       --------      ---------   ---------
  Net interest income after provision                   51,583              104,579          1,494         15,528     173,184
Noninterest income                                       7,892               22,093         16,289          1,730      48,004
Noninterest expense                                     33,457               89,826         15,378         16,395     155,056
                                                     ---------            ---------       --------      ---------   ---------
  Income before income taxes                            26,018               36,846          2,405            863      66,132
Income tax expense (taxable equivalent)                  9,106               14,046            842           (287)     23,707
                                                     ---------            ---------       --------      ---------   ---------
Net income                                           $  16,912            $  22,800       $  1,563      $   1,150   $  42,425
                                                     =========            =========       ========      =========   =========
                                                                                                                    
==============================================================================================================================
</TABLE>

                                       62
<PAGE>   63
        NOTE 18. REGULATORY MATTERS

       The Federal Reserve Bank requires the Corporation's banking subsidiaries
to maintain certain noninterest-bearing deposits. These reserve balances vary
depending upon the level of client deposits in the subsidiary banks. During 1998
and 1997, the average reserve balances were $32.5 million and $32.6 million,
respectively.
       The bank subsidiaries are also subject to limitations under banking laws
on extensions of credit to members of the affiliate group and on dividends that
can be paid to the Corporation. Generally extensions of credit are limited to
10% to any one affiliate and 20% in aggregate to all affiliates of a subsidiary
bank's capital and surplus (net assets) as defined. Unless prior regulatory
approval is obtained, dividends declared in any calendar year may not exceed the
retained net profit, as defined, of that year plus the retained net profit of
the preceding two years. At January 1, 1999, the bank subsidiaries could
distribute to the Corporation approximately $21.7 million in dividends without
regulatory approval. Their 1999 net income will also become available for such
dividends.
       The Corporation and it's banking subsidiaries are subject to various
regulatory capital requirements administered by the federal banking agencies.
Failure to meet minimum capital requirements can initiate certain mandatory and
possibly additional discretionary actions by regulators that, if undertaken,
could have a direct material effect on the financial statements. Under capital
adequacy guidelines and the regulatory framework for prompt corrective action,
specific capital guidelines must be met that involve quantitative measures of
the assets, liabilities, and certain off-balance sheet items as calculated under
regulatory accounting practices. The capital amounts and classification are also
subject to qualitative judgments by the regulators about components, risk
weightings, and other factors.
       Quantitative measures established by regulation to ensure capital
adequacy require the Corporation and it's banking subsidiaries to maintain
minimum amounts and ratios (set forth in the table below) of total and Tier I
capital to risk-weighted assets (as defined in the regulations), and of Tier I
capital to average assets (as defined). Management believes, as of December 31,
1998, that the Corporation and it's banking subsidiaries meet all capital
adequacy requirements to which it is subject.
       As of December 31, 1998, the most recent notification from the Federal
Reserve Board categorized the Corporation and its banking subsidiaries as well
capitalized under the regulatory framework for prompt corrective action. To be
categorized as well capitalized the Corporation and it's banking subsidiaries
must maintain minimum total risk-based, Tier I risk-based, and Tier I leverage
ratios as set forth in the table. There are no conditions or events since that
notification that management believes would result in a change.


<TABLE>
<CAPTION>
- - ---------------------------------------------------------------------------------------------------------------
RISK BASED CAPITAL REQUIREMENTS                                                                                
                                                                                        For Capital            
                                                         Actual                      Adequacy Purposes         
                                             --------------------------------     -------------------------    
(in thousands)                                    Amount           Ratio              Amount        Ratio      
- - ---------------------------------------------------------------------------------------------------------------
CITIZENS BANKING CORPORATION
AS OF DECEMBER 31, 1998:
<S>                                            <C>                 <C>             <C>              <C>        
    Total Capital(1)                           $ 428,017           11.8 %          $ 290,892 >      8.0 %      
                                                                                             -                 
    Tier I Capital(1)                            382,553           10.5              145,446 >      4.0        
                                                                                             -                 
    Tier I Leverage(2)                           382,553            8.7              176,342 >      4.0        
                                                                                             -                 
As of December 31, 1997:                                                                                       
    Total Capital(1)                           $ 390,230           11.0 %          $ 283,042 >      8.0 %      
                                                                                             -                 
    Tier I Capital(1)                            345,984            9.8              141,521 >      4.0        
                                                                                             -                 
    Tier I Leverage(2)                           345,984            8.0              173,458 >      4.0        
                                                                                             -                 
CITIZENS BANK                                                                                                  
AS OF DECEMBER 31, 1998:                                                                                       
    Total Capital(1)                           $ 404,822           11.7 %          $ 276,694 >      8.0 %      
                                                                                             -                 
    Tier I Capital(1)                            361,577           10.5              138,347 >      4.0        
                                                                                             -                 
    Tier I Leverage(2)                           361,577            8.7              166,580 >      4.0        
                                                                                             -                 
As of December 31, 1997:                                                                                       
    Total Capital(1)                           $ 388,017           11.7 %          $ 266,192 >      8.0 %      
                                                                                             -                 
    Tier I Capital(1)                            346,398           10.4              133,096 >      4.0        
                                                                                             -                 
    Tier I Leverage(2)                           346,398            8.5              163,783 >      4.0        
                                                                                             -                 
                                                                                                    
===============================================================================================================
<CAPTION>

- - --------------------------------------------------------------------------------
RISK BASED CAPITAL REQUIREMENTS                    To Be Well Capitalized
                                                  Under Prompt Corrective
                                                     Action Provisions
                                             -----------------------------------
(in thousands)                                     Amount          Ratio
- - --------------------------------------------------------------------------------
CITIZENS BANKING CORPORATION
AS OF DECEMBER 31, 1998:
<S>                                            <C>                 <C>            
    Total Capital(1)                           $ 363,615 >         10.0 %         
                                                         -                        
    Tier I Capital(1)                            218,169 >          6.0           
                                                         -                        
    Tier I Leverage(2)                           220,428 >          5.0           
                                                         -                        
As of December 31, 1997:                                                          
    Total Capital(1)                           $ 353,803 >         10.0           
                                                         -                        
    Tier I Capital(1)                            212,282 >          6.0           
                                                         -                        
    Tier I Leverage(2)                           216,823 >          5.0           
                                                         -                        
CITIZENS BANK                                                                     
AS OF DECEMBER 31, 1998:                                                          
    Total Capital(1)                           $ 345,867 >         10.0 %         
                                                         -                        
    Tier I Capital(1)                            207,520 >          6.0           
                                                         -                        
    Tier I Leverage(2)                           208,225 >          5.0           
                                                         -                        
As of December 31, 1997:                                                          
    Total Capital(1)                           $ 332,740 >         10.0 %         
                                                         -                        
    Tier I Capital(1)                            199,644 >          6.0           
                                                         -                        
    Tier I Leverage(2)                           204,728 >          5.0           
                                                         -                        
                                                                                  
================================================================================
</TABLE>
        
(1) To risk weighted assets.
(2) To quarterly average assets.



                                       63
<PAGE>   64
     NOTE 19. CITIZENS BANKING CORPORATION (PARENT ONLY) STATEMENTS

<TABLE>
<CAPTION>
- - ------------------------------------------------------------------------------------------------------------------------------
BALANCE SHEETS
CITIZENS BANKING CORPORATION (PARENT ONLY)
                                                                                                             December 31,
(in thousands)                                                                                            1998           1997
- - ------------------------------------------------------------------------------------------------------------------------------

ASSETS:
<S>                                                                                                    <C>           <C>      
 Cash                                                                                                  $       5     $       5
 Interest-bearing deposit with subsidiary bank                                                             4,500         7,000
 Money market investments                                                                                  7,435         3,976
 Investment securities                                                                                       139           135
 Investment in bank subsidiaries                                                                         439,784       429,015
 Goodwill - net                                                                                            2,653         3,449
 Other assets                                                                                              3,960         3,622
                                                                                                       ---------     ---------
   TOTAL ASSETS                                                                                        $ 458,476     $ 447,202
                                                                                                       =========     =========
LIABILITIES AND SHAREHOLDERS' EQUITY:
 Long-term debt                                                                                        $  13,000     $  32,991
 Other liabilities                                                                                         4,394         4,369
                                                                                                       ---------     ---------
   Total liabilities                                                                                      17,394        37,360
 Shareholders' equity                                                                                    441,082       409,842
                                                                                                       ---------     ---------
   TOTAL LIABILITIES AND SHAREHOLDERS' EQUITY                                                          $ 458,476     $ 447,202
                                                                                                       =========     =========
==============================================================================================================================
</TABLE>


<TABLE>
<CAPTION>
- - -------------------------------------------------------------------------------------------------------------------------------
STATEMENTS OF INCOME
CITIZENS BANKING CORPORATION (PARENT ONLY)
                                                                                                 Year Ended December 31,
(in thousands)                                                                           1998              1997           1996
- - -------------------------------------------------------------------------------------------------------------------------------
INCOME
<S>                                                                                     <C>              <C>           <C>     
  Dividends from subsidiaries - principally banks                                       $ 48,635         $ 21,483      $ 56,487
  Interest from bank subsidiary                                                              159              657           794
  Service fees from bank subsidiaries                                                      9,221            9,467           ---
  Other                                                                                      381              254           860
                                                                                        --------         --------      --------
    Total                                                                                 58,396           31,861        58,141
                                                                                        --------         --------      --------
EXPENSES
  Interest                                                                                 1,734            2,978         5,594
  Amortization of goodwill                                                                   796              796           796
  Salaries and employee benefits                                                           9,524            9,731           867
  Service fees paid to bank subsidiaries                                                   1,060            1,339         1,265
  Other noninterest expense                                                                1,528            1,723         1,078
                                                                                        --------         --------      --------
    Total                                                                                 14,642           16,567         9,600
                                                                                        --------         --------      --------
Income before income taxes and equity in undistributed earnings of subsidiaries           43,754           15,294        48,541
Income tax benefit                                                                         2,476            2,662         3,257
Equity in undistributed (dividends in excess of) earnings of subsidiaries                 10,555           13,552        (9,373)
                                                                                        --------         --------      --------
NET INCOME                                                                              $ 56,785         $ 31,508      $ 42,425
                                                                                        ========         ========      ========
     
=============================================================================================================================== 
</TABLE>




                                       64
<PAGE>   65
<TABLE>
<CAPTION>

- - ------------------------------------------------------------------------------------------------------------------------
STATEMENTS OF CASH FLOWS
CITIZENS BANKING CORPORATION (PARENT ONLY)
                                                                                       Year Ended December 31,
(in thousands)                                                                     1998           1997           1996
- - ------------------------------------------------------------------------------------------------------------------------
<S>                                                                            <C>            <C>            <C>     
OPERATING ACTIVITIES
  Net income                                                                     $ 56,785       $ 31,508       $ 42,425
  Adjustments to reconcile net income to net cash
    provided by operating activities:
  Amortization of goodwill                                                            796            796            796
  Dividends in excess of (equity in undistributed) earnings of subsidiaries       (10,555)       (13,552)         9,373
  Other                                                                              (332)          (945)         1,244
                                                                                 --------       --------       --------
      Net cash provided by operating activities                                    46,694         17,807         53,838
                                                                                 --------       --------       --------
INVESTING ACTIVITIES
  Net decrease in interest-bearing deposit at subsidiary bank                       2,500         18,134          4,866
  Net (increase) decrease in money market investments                              (3,459)         8,067          2,501
  Purchases of investment securities                                                  (44)          --               (8)
  Proceeds from sales and maturities of investment securities                          40             10            136
                                                                                 --------       --------       --------
      Net cash provided (used) by investing activities                               (963)        26,211          7,495
                                                                                 --------       --------       --------
FINANCING ACTIVITIES
  Principal reductions in long-term debt                                          (19,991)       (26,694)       (41,194)
  Cash dividends paid                                                             (22,991)       (19,286)       (17,890)
  Proceeds from stock options exercised                                             4,234          1,962          1,523
  Shares acquired for retirement                                                   (6,983)          --           (3,772)
                                                                                 --------       --------       --------
      Net cash used by financing activities                                       (45,731)       (44,018)       (61,333)
                                                                                 --------       --------       --------
Net increase in cash                                                                 --             --             --
Cash at beginning of year                                                               5              5              5
                                                                                 --------       --------       --------
Cash at end of year                                                              $      5       $      5       $      5
                                                                                 ========       ========       ========
========================================================================================================================
</TABLE>


                                       65
<PAGE>   66
REPORT OF ERNST & YOUNG LLP, INDEPENDENT AUDITORS



BOARD OF DIRECTORS CITIZENS BANKING CORPORATION

         We have audited the accompanying consolidated balance sheets of
Citizens Banking Corporation and subsidiaries as of December 31, 1998 and 1997,
and the related consolidated statements of income, changes in shareholders'
equity, and cash flows for each of the two years in the period ended December
31, 1998. These financial statements are the responsibility of the Corporation's
management. Our responsibility is to express an opinion on these financial
statements based on our audits.

         We conducted our audits in accordance with generally accepted auditing
standards. Those standards require that we plan and perform the audit to obtain
reasonable assurance about whether the financial statements are free of material
misstatement. An audit includes examining, on a test basis, evidence supporting
the amounts and disclosures in the financial statements. An audit also includes
assessing the accounting principles used and significant estimates made by
management, as well as evaluating the overall financial statement presentation.
We believe that our audits provide a reasonable basis for our opinion.

         In our opinion, the financial statements referred to above present
fairly, in all material respects, the consolidated financial position of
Citizens Banking Corporation and subsidiaries at December 31, 1998 and 1997, and
the consolidated results of their operations and their cash flows for each of
the two years in the period ended December 31, 1998, in conformity with
generally accepted accounting principles.

         We previously audited and reported on the related consolidated
statements of income, changes in shareholders' equity, and cash flows of
Citizens Banking Corporation and subsidiaries for the year ended December 31,
1996 prior to the restatement for the 1997 pooling of interests as described in
Note 2. The contribution of Citizens Banking Corporation to revenues and net
income represented 82% and 88% of the 1996 restated totals. Financial statements
of the other pooled company included in the 1996 consolidated statements were
audited and reported on separately by other auditors. We also have audited, as
to combination only, the accompanying consolidated statements of income, changes
in shareholders' equity, and cash flows for the year ended December 31, 1996,
after restatement for the 1997 pooling of interests, in our opinion, such
consolidated financial statements have been properly combined on the basis
described in Note 2 to the consolidated financial statements.



    Ernst & Young LLP

Detroit, Michigan
January 14, 1999


                                       66


<PAGE>   67
         REPORT OF MANAGEMENT



MANAGEMENT'S RESPONSIBILITY FOR THE FINANCIAL STATEMENTS

         Management is responsible for the preparation of the consolidated
financial statements and all other financial information appearing in this
Annual Report. The Consolidated Financial Statements have been prepared in
accordance with generally accepted accounting principles.

SYSTEM OF INTERNAL CONTROLS

         The Corporation maintains a system of internal controls designed to
provide reasonable assurance that assets are safe-guarded and that the financial
records are reliable for preparing Consolidated Financial Statements. The
selection and training of qualified personnel and the establishment and
communication of accounting and administrative policies and procedures are
elements of this control system. The effectiveness of the internal control
system is monitored by a program of internal audit and by independent certified
public accountants ("independent auditors").

         Management recognizes that the cost of a system of internal controls
should not exceed the benefits derived and that there are inherent limitations
to be considered in the potential effectiveness of any system. Management
believes the Corporation's system provides the appropriate balance between costs
of controls and the related benefits.

AUDIT COMMITTEE OF THE BOARD

         The Audit Committee of the Board of Directors, comprised entirely of
outside directors, recommends the independent auditors who are engaged upon
approval by the Board of Directors. The committee meets regularly with the
internal auditor and the independent auditors to review timing and scope of
audits and review audit reports. The internal auditor and the independent
auditors have free access to the Audit Committee.

INDEPENDENT AUDITORS

         The Consolidated Financial Statements in this Annual Report have been
audited by the Corporation's independent auditors, Ernst & Young LLP, for the
purpose of determining that the Consolidated Financial Statements are free of
material misstatement. Their audit considered the Corporation's internal control
structure to the extent necessary to determine the scope of their auditing
procedures.




John W. Ennest                                              Robert J. Vitito
John W. Ennest                                              Robert J. Vitito
Vice Chairman,                                              President and Chief
Chief Financial Officer and Treasurer                       Executive Officer




                                       67
<PAGE>   68
                          CITIZENS BANKING CORPORATION
                                FLINT, MICHIGAN
                                        
                        PROXY BY THE BOARD OF DIRECTORS
            FOR THE ANNUAL MEETING OF SHAREHOLDERS - APRIL 20, 1999


   The undersigned shareholder of Citizens Banking Corporation (the 
"Corporation") hereby appoints Victor E. George and William C. Shedd or either 
of them, my proxies or proxy, with full power of substitution to vote all 
shares of stock of the Corporation that the undersigned would be entitled to 
vote at the annual meeting of shareholders of the Corporation to be held in the 
Presidential Ballroom located in the Holiday Inn, Gateway Centre, Flint, 
Michigan, on Tuesday, April 20, 1999, at 10:00 a.m. local time, and at any 
adjournments thereof, and upon the election of directors as set forth on the 
reverse side of this proxy, all of which are being proposed by the Corporation, 
and in their discretion, upon such other matters as may properly come before the
meeting including the election of any person to the board of directors where a 
nominee named in the proxy statement dated March 15, 1999 is unable to serve 
or, for good cause, will not serve. THIS PROXY WHEN PROPERLY EXECUTED WILL BE 
VOTED FOR EACH NOMINEE NAMED ON THE REVERSE SIDE OF THIS PROXY.

   For participants in the Corporation's Amendment and Restated Section 401(k) 
Plan ("Plan"), this card also provides voting instructions to the trustee under 
the Plan for the undersigned's allowable portion, if any, of the total number 
of shares of Common Stock of the Corporation held by such Plan as indicated on 
the reverse side hereof. These voting instructions are solicited and will be 
carried out in accordance with the applicable provisions of the Plan.

   The undersigned acknowledge receipt of the Notice of Annual Meeting of 
Shareholders and the Proxy Statement dated March 15, 1999 and ratifies all that 
the proxies or either of them or their substitutes may lawfully do or cause to 
be done by the virtue hereof and revokes all former proxies.



                 (Continued and to be signed on reverse side.)
- - --------------------------------------------------------------------------------

                         TELEPHONE VOTING INSTRUCTIONS

     On a Touch-Tone Telephone--Call the toll free number 1-888-515-6262, 24 
     hours per day, seven days a week.
     You will hear these instructions:

         Press 1 to vote FOR all nominees, or press 8 to WITHHOLD for all
         nominees.
         Press 0 to conclude this phone call end to cast your vote.

         If you wish to withhold authority to vote for an individual nominee,
         Press one or more of the following selections and then Press 0 to
         conclude this phone call and cast your vote:

         Press 2 to withhold for Edward P. Abbott
         Press 3 to withhold for Hugo E. Braun, Jr.
         Press 4 to withhold for Jonathan E. Burroughs II
         Press 5 to withhold for Lawrence O. Erickson
         Press 6 to withhold for William J. Hank
         Press 7 to withhold for Robert J. Vitito

     If you vote by telephone, there is no need to mail back your proxy.

     Thank you for voting.

     Map to:   Holiday Inn Gateway Centre
               US 23/Hill Road
               Flint, Michigan 48507
               (Park In Rear For Conference Centre)



- - -----------------------------------                    -    FROM NORTH: I-75 
                                                            South to South U.S.
                                                            23, Exit Hill Road 
                                                            (East)

         Map to come from                              -    FROM EAST AND WEST: 
        Harris/Holiday Inn                                  I-69 to I-75 South
                                                            to U.S. 23 South, 
                                                            Exit Hill Road
                or                                          (East)

                                                       -    FROM WEST: I-94 to
       Map to be created by                                 U.S. 23 North. Exit
        AMC-White Graphics                                  Hill Road (East)

                                                       -    FROM SOUTH: I-75 
                                                            North to I-475 North
                                                            to Hill Road West.
- - -----------------------------------                         Exit Hill Road west 
                                                            (left).
<PAGE>   69
<TABLE>
<S><C>
     PLEASE MARK VOTE IN OVAL IN THE FOLLOWING MANNER USING DARK INK ONLY.


[                                                                              ]




THE BOARD OF DIRECTORS RECOMMENDS A VOTE FOR EACH OF THE NOMINEES LISTED.
                                                         For    Withhold  For All
1. ELECTION OF DIRECTORS  Class I (three year term):     All    All       Except name(s) written below
01- Edward P. Abbott, 02-Hugo E. Braum Jr.,
03- Jonathan E. Burroughs II, 04-Lawrence O. Erickson,   / /    / /        / /
05- William J. Hank, and 06-Robert J. Vitito.                             _______________________________________________________
                                                                          Please sign exactly as name appears hereon. When shares
                                                                          are held by joint tenants, both must sign. When signing 
                                                                          as Attorney, Executor, Personal Representative,
                                                                          Administrator, Trustee or Guardian, please give full
                                                                          title as such. If signing on behalf of the corporation
                                                                          please sign in full corporate name by President of other
                                                                          authorized officer. If signing on behalf of a partnership,
                                                                          please signing partnership name by authorized person.
- - --------------------------------------------------------------------------------

                                                                                          Date:____________, 1999


                                                                                          _________________________
                                                                                                   Signature         
- - --------------------------------------------------------------------------------

                                                                                          _________________________
                                                                                          Signature if held jointly

- - -------------------------------------------------------------------------------------------------------------------
</TABLE>



CONTROL NUMBER
 _______
/_______/





                             **VOTE BY TELEPHONE**

Citizens Banking Corporation now offers you an alternative, convenient way to 
vote your shares. By following the simple instructions on the reverse side, 
your vote can now be counted over the telephone. We encourage you to take 
advantage of this new feature which eliminates the need to return the proxy 
card, provides a cost savings to the Corporation, and authorizes the named 
proxies in the same manner as if you marked, signed, and dated your proxy card.


Please consider voting by telephone.

Thank you.







                                    REMINDER

Dear Shareholder(s):

Enclosed you will find material relative to the Corporation's 1999 Annual 
Meeting of Shareholders. The Notice of the Annual Meeting and proxy statement 
describes the formal business to be transacted at the meeting, as summarized on 
the attached proxy card.

Whether or not you expect to attend the Annual Meeting, please complete and 
return promptly the attached proxy card in the accompanying envelope, which 
requires no postage if mailed in the United States, or cast your vote by 
telephone using the instructions found on the reverse side. Please remember 
that your vote is important to us. We look forward to hearing from you.



James M. Polehna
Vice President
Investor Relations Manager


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