MICHIGAN NATIONAL CORP
SC 13D, 1995-02-14
NATIONAL COMMERCIAL BANKS
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                     SECURITIES AND EXCHANGE COMMISSION
                           Washington, D.C. 20549
                              ---------------
                                SCHEDULE 13D

                 Under the Securities Exchange Act of 1934

                         (Amendment No.          )

                       Michigan National Corporation
                              (Name of issuer)


                   Common Stock, par value $10 per share
                       (Title of class of securities)

                                 594563108
                               (CUSIP number)


                              Mr. D. M. Bruce
                              National Australia Bank Limited
                              Level 24
                              500 Bourke Street
                              Melbourne, Victoria 3000,
                              Australia
                              011-613-641-3668

                              With a copy to:
                              B. Robbins Kiessling, Esq.
                              Cravath, Swaine & Moore
                              Worldwide Plaza
                              825 Eighth Avenue
                              New York, N.Y. 10019
                              (212) 474-1000

               (Name, address and telephone number of person
             authorized to receive notices and communications)

                              February 4, 1995
          (Date of events which require filing of this statement)


        If  the filing  person  has  previously  filed a  statement  on
     Schedule 13G to  report the acquisition  which is the  subject of
     this  Schedule 13D,  and  is  filing  this  schedule  because  of
     Rule 13d-1(b)(3) or (4), check the following box [ ].

        Check  the  following  box  if a  fee  is being  paid  with the
     statement [x].

                           (Page 1 of 101 Pages)


                   Exhibit Index is on page 18 of this filing.






     <PAGE>2


           CUSIP No.                13D                         594563108       


      1  NAME OF REPORTING PERSON
         S.S. or I.R.S. IDENTIFICATION NO. OF ABOVE PERSON

         National Australia Bank Limited

      2  CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP     (a) [x]
                                                              (b) [ ]

      3  SEC USE ONLY


      4  SOURCE OF FUNDS
               WC, OO

      5  CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED
         PURSUANT TO ITEMS 2(d) or 2(e)                              


      6  CITIZENSHIP OR PLACE OF ORGANIZATION
               Australia

        NUMBER OF    7   SOLE VOTING POWER
          SHARES            - 0 -
       BENEFICIALLY
      OWNED BY EACH  8   SHARED VOTING POWER
        REPORTING           2,633,502 (when and if option exercised)
       PERSON WITH
                     9   SOLE DISPOSITIVE POWER
                            - 0 -
                     10  SHARED DISPOSITIVE POWER
                            2,633,502 (when and if option exercised)

      11  AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING
          PERSON
               2,633,502 (option to acquire)

      12  CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES
          CERTAIN SHARES                                          [ ]

      13  PERCENT OF CLASS REPRESENTED
          BY AMOUNT IN ROW (11)
                                           16.6%
      14  TYPE OF REPORTING PERSON
                                           HC (BK)




     <PAGE>3


           CUSIP No.                13D                       594563108       


      1  NAME OF REPORTING PERSON
         S.S. or I.R.S. IDENTIFICATION NO. OF ABOVE PERSON

         MNC Acquisition Co.
         I.R.S. Employer Identification Number:  

      2  CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP     (a) [x]
                                                              (b) [ ]

      3  SEC USE ONLY


      4  SOURCE OF FUNDS                    AF

      5  CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED
         PURSUANT TO ITEMS 2(d) or 2(e)                           [ ]

      6  CITIZENSHIP OR PLACE OF ORGANIZATION
               Michigan

        NUMBER OF   7    SOLE VOTING POWER
         SHARES             - 0 -
      BENEFICIALLY
        OWNED BY    8    SHARED VOTING POWER
          EACH              2,633,502 (when and if option exercised
        REPORTING           by NAB)
       PERSON WITH  
                    9    SOLE DISPOSITIVE POWER
                            - 0 -

                    10   SHARED DISPOSITIVE POWER
                            2,633,502 (when and if option exercised
                            by NAB)

      11  AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING
          PERSON
               2,633,502 (option of NAB to acquire)

      12  CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES
          CERTAIN SHARES                                          [ ]

      13  PERCENT OF CLASS REPRESENTED
          BY AMOUNT IN ROW (11)
                                           16.6%

      14  TYPE OF REPORTING PERSON
                                           CO




     <PAGE>4

     Item 1.   Security and Issuer.

          This Statement relates to an option to purchase shares
     of Common Stock, par value $10 per share ("Common Stock"),
     of Michigan National Corporation (the "Issuer").  The
     address of the Issuer's principal executive offices is
     27777 Inkster Road, Farmington Hills, Michigan 48334.

     Item 2.   Identity and Background.

          (a)-(c) and (f).  This Statement is being filed on
     behalf of each of National Australia Bank Limited, a    
     bank organized under the laws of Australia ("NAB"), and MNC
     Acquisition Co., a wholly owned subsidiary of NAB
     incorporated under the laws of the State of Michigan
     ("Sub"), pursuant to the agreement to such effect of NAB and
     Sub a copy of which is attached as an exhibit hereto and
     incorporated herein by reference.  The address of the
     principal business and principal office of each of NAB and
     Sub is Level 24, 500 Bourke Street, Melbourne,
     Victoria 3000, Australia.

          The names, business addresses, principal occupations
     and citizenship of the directors and executive officers of
     NAB and Sub are set forth on Annex A hereto and are
     incorporated herein by reference.

          (d) and (e).  During the last five years, NAB has not
     and, to the best knowledge of NAB, the executive officers
     and directors of NAB have not (i) been convicted in a
     criminal proceeding (excluding traffic violations and
     similar misdemeanors) or (ii) been a party to a civil
     proceeding of a judicial or administrative body of competent
     jurisdiction and as a result of such proceeding was or is
     subject to a judgment, decree or final order enjoining
     future violations of, or prohibiting or mandating activities
     subject to, Federal or state securities laws or finding any
     violation with respect to such laws.

          Sub was incorporated on February 2, 1995.  Since the
     date of its formation, Sub has not and, during the last five
     years to the best knowledge of Sub, the executive officers
     and directors of Sub have not (i) been convicted in a
     criminal proceeding (excluding traffic violations and
     similar misdemeanors) or (ii) been a party to a civil
     proceeding of a judicial or administrative body of competent
     jurisdiction and as a result of such proceeding was or is
     subject to a judgment, decree or final order enjoining 





     <PAGE>5

     future violations of, or prohibiting or mandating activities
     subject to, Federal or state securities laws or finding any
     violation with respect to such laws.

     Item 3.   Source and Amount of Funds or Other Consideration.

          On February 4, 1995, NAB, Sub and the Issuer entered
     into a Stock Option Agreement (the "Stock Option
     Agreement"), a copy of which is attached as an exhibit
     hereto and incorporated herein by reference.  Execution and
     delivery of the Stock Option Agreement by the Issuer was a
     condition to the Agreement and Plan of Merger dated as of
     February 4, 1995, among NAB, Sub and the Issuer (the "Merger
     Agreement"), a copy of which is attached as an exhibit
     hereto and incorporated herein by reference.

          Pursuant to the Stock Option Agreement, the Issuer has
     granted to NAB, an option (the "Option") to purchase up to
     2,633,502 shares of Common Stock, or such greater number as
     shall at the time equal 19.9% of the then outstanding shares
     of Common Stock (without giving effect to the issuance of
     shares of Common Stock pursuant to the exercise of the
     Option), subject to anti-dilution adjustments and certain
     other limitations set forth therein, at a purchase price of
     $89.00 per share.

          Pursuant to Section 3 of the Stock Option Agreement,
     which is incorporated herein by reference, the Option is
     exercisable in whole or in part at any time after the
     occurrence of an "Acquisition Event", defined in Section
     5.07(b) of the Merger Agreement, which is incorporated
     herein by reference, as any of (i) any person or group (as
     defined in Section 13(d)(3) of the Securities Exchange Act
     of 1934), other than NAB or any of its subsidiaries, having
     acquired beneficial ownership (including pursuant to the
     acquisition of options) of 20% or more of any class of
     equity securities of the Issuer or any of its subsidiaries
     or having received approval from the Federal Reserve Board
     to acquire such ownership or (ii) the Issuer or Michigan
     National Bank ("MNB") having authorized, recommended,
     proposed or publicly announced an intention to authorize,
     recommend or propose, or having amended its shareholder
     rights agreement to facilitate, or having entered into, an
     agreement with any person (other than NAB or any of its
     subsidiaries) to (w) effect a merger, consolidation,
     business combination, sale of substantially all assets, or
     similar transaction involving the Issuer or MNB, (x) sell,
     lease or otherwise dispose of assets of the Issuer or its 



     <PAGE>6

     subsidiaries representing 15% or more of the consolidated
     assets of the Issuer and its subsidiaries, (y) issue, sell
     or otherwise dispose of securities representing 20% or more
     of any class of equity securities of the Issuer or any of
     its subsidiaries or (z) have such person effect a tender
     offer or exchange offer that if consummated would result in
     any person beneficially owning 20% or more of any class of
     equity securities of the Issuer or any of its subsidiaries. 
     The exercise and purchase of shares of Common Stock pursuant
     to the Option is subject to compliance with applicable laws,
     including the Bank Holding Company Act of 1956, as amended.

          Pursuant to Section 3 of the Stock Option Agreement,
     the Option (but not the rights set forth in Sections 8, 9
     and 10 of the Stock Option Agreement, described under Items
     5 and 6) terminates upon the earliest of (i) the effective
     time of the merger of Sub and the Issuer (described under
     Item 4), (ii) upon termination of the Merger Agreement under
     Section 7.01 thereof (other than for any of the reasons
     described in clause (iii) below) or (iii) 18 months after
     termination of the Merger Agreement (x) by either party
     under Section 7.01(c) or (d) thereof, (y) by NAB under
     Section 7.01(b)(ii) thereof or (z) by the Issuer under
     Section 7.01(b)(iv) thereof under circumstances where NAB
     could effect termination pursuant to Section 7.01(c) thereof
     (each of the foregoing provisions of the Merger Agreement
     being incorporated herein by reference).

          In the event NAB acquires shares of Common Stock
     pursuant to the Stock Option Agreement, it is currently
     anticipated that the funds required to purchase such shares
     would be provided from NAB's working capital or by
     borrowings from a source yet to be determined.

     Item 4.   Purpose of Transaction.

          The grant of the Option, exercisable only in certain
     circumstances, to acquire shares of Common Stock, was a
     condition to the execution of the Merger Agreement pursuant
     to which Sub will, subject to certain conditions being
     satisfied or waived as set forth in Article VI of the Merger
     Agreement, which is incorporated herein by reference, be
     merged with and into the Issuer (the "Merger"), and the
     separate corporate existence of Sub will cease and the
     Issuer will continue as the surviving corporation (the
     "Surviving Corporation").  Upon the effectiveness of the
     Merger, (i) each issued and outstanding share of Common
     Stock (other than certain shares of Common Stock owned by 




     <PAGE>7

     the Issuer, any subsidiary of the Issuer, NAB, Sub or any
     other subsidiary of NAB, which shares will be automatically
     cancelled and retired) will be converted into the right to
     receive U.S. $110.00 in cash, without interest, from the
     Surviving Corporation and (ii) each issued and outstanding
     share of capital stock of Sub will be converted into and
     become one fully paid and nonassessable share of common
     stock, par value U.S. $.01 per share, of the Surviving
     Corporation.  As a result of such conversion, the Issuer
     will become a wholly-owned subsidiary of NAB, and all shares
     of Common Stock will be delisted from Nasdaq and will not be
     listed on any national securities exchange or quoted in any
     inter-dealer quotation system.  

          The Merger Agreement provides that the directors of Sub
     at the effective time of the Merger (which may include some
     or all of the current directors of the Issuer) will
     initially be the directors of the Surviving Corporation and
     the executive officers of the Issuer immediately prior to
     the effectiveness of the Merger, along with any other
     designees of NAB, will initially be the executive officers
     of the Surviving Corporation.

     Item 5.   Interest in Securities of the Issuer.

          (a) and (b).  Pursuant to the Option, NAB has the
     right, exercisable only in certain circumstances as
     described under Item 3 above, to acquire up to 2,633,502
     shares of Common Stock, or such greater number as shall at
     the time equal 19.9% of the then outstanding shares of
     Common Stock (without giving effect to the issuance of
     shares of Common Stock pursuant to the exercise of the
     Option), subject to antidilution adjustments and certain
     other limitations set forth therein.  Such amount would
     currently represent 16.6% of the class (based upon the
     13,233,678 outstanding shares of Common Stock as of the
     close of business on February 3, 1995, and after giving
     effect to the issuance of 2,633,502 shares of Common Stock
     pursuant to the exercise of the Option).  When and if NAB
     acquires such shares, it (and Sub, if the shares are
     registered in the name of Sub) will have sole (or shared, if
     the shares are registered in the name of Sub) voting and
     investment power with respect thereto, subject to certain
     transfer restrictions and rights of the Issuer set forth in
     Sections 4, 9 and 11 of the Stock Option Agreement and to
     certain other limitations set forth in Section 21 of the
     Stock Option Agreement, all of which provisions are 




     <PAGE>8

     incorporated herein by reference.  NAB and Sub each disclaim
     beneficial ownership of such shares.

          Other than the Option described above, none of NAB, Sub
     or any other subsidiary of NAB beneficially owns any shares
     of Common Stock.  To the best knowledge of NAB, none of
     NAB's directors or executive officers beneficially owns any
     shares of Common Stock.  To the best knowledge of Sub, none
     of Sub's directors or executive officers beneficially owns
     any shares of Common Stock. 

          (c)  Except for the acquisition of the Option and as
     described in the next sentence, there have been no
     transactions in shares of Common Stock by NAB, or, to the
     best knowledge of NAB, by any of NAB's directors or
     executive officers, during the past 60 days.  Disclosed on
     Annex B hereto which is incorporated herein by reference are
     transactions in shares of Common Stock during the past
     60 days by National Australia Bank Superannuation Plan Pty.
     Ltd., a pension fund established for the benefit of
     employees of NAB (the "Pension Fund").  Such transactions
     are disclosed because the trustees of the Pension Fund,
     which trustees have the power to cause the acquisition and
     disposition of Pension Fund investments, include certain
     directors and executive officers of NAB.  NAB and Sub each
     disclaim beneficial ownership of such shares.  There have
     been no transactions in shares of Common Stock by Sub, or,
     to the best knowledge of Sub, by any of Sub's directors or
     executive officers, during the past 60 days.

          (d)  Not applicable.

          (e)  Not applicable.

     Item 6.   Understandings or Relationships with Respect to
               Securities of the Issuer.

          Other than the Merger Agreement described in response
     to Item 4 (which response is incorporated herein by
     reference) and the Stock Option Agreement certain provisions
     of which are described in response to Item 3 (which response
     is incorporated herein by reference), there are no
     contracts, arrangements, understandings or relationships
     (i) between NAB and any other person, or, to the best
     knowledge of NAB, among any of NAB's directors and executive
     officers or between any of NAB's directors and executive
     officers and any other person, with respect to securities of
     the Issuer or (ii) between Sub and any other person, or, to 






     <PAGE>9

     the best knowledge of Sub, among any of Sub's directors and
     executive officers or between any of Sub's directors and
     executive officers and any other person, with respect to
     securities of the Issuer. 

          Set forth below is a description of additional selected
     provisions of the Stock Option Agreement.

          Pursuant to Section 8 of the Stock Option Agreement,
     which is incorporated herein by reference, NAB has the
     option to cause the Issuer to repurchase the Option and any
     shares of Common Stock purchased by NAB pursuant to the
     Option, upon the terms set forth in such Section 8 and
     subject to certain limitations set forth in the Stock Option
     Agreement, at any time during (i) the period during which
     the Option is exercisable (as described in response to
     Item 3) or (ii) the period of 30 business days immediately
     following the failure to receive certain regulatory
     approvals in respect of the exercise of the Option.

          Pursuant to Section 10 of the Stock Option Agreement,
     which is incorporated herein by reference, NAB has been
     granted certain registration and listing rights in respect
     of securities to be acquired upon exercise of the Option.

          Pursuant to Section 7 of the Stock Option Agreement,
     which is incorporated herein by reference, upon certain
     mergers, consolidations or sale of substantially all of the
     assets of the Issuer (other than with or to NAB or Sub or
     any other subsidiary of NAB), the Option will be converted
     into or exchanged for an option in respect of common stock
     of the "Acquiring Corporation" (as defined therein) or any
     person that controls the Acquiring Corporation.

          The foregoing summary of the terms of the Merger
     Agreement and the Stock Option Agreement does not purport to
     be complete and is qualified in its entirety by reference to
     the full text of the Merger Agreement and the Stock Option
     Agreement, copies of which are attached as exhibits hereto.







     <PAGE>10

     Item 7.   Material to be Filed as Exhibits.
          (a)  Agreement of NAB and Sub dated the date hereof.

          (b)  Agreement and Plan of Merger dated as of
        February 4, 1995, among NAB, Sub and the Issuer.

          (c)  Stock Option Agreement dated as of February 4,
        1995, among NAB, Sub and the Issuer.



     <PAGE>11


                            Signature

     After reasonable inquiry, and to the best of my knowledge
     and belief, I certify that the information set forth in this
     Statement is true, complete and correct.

                              National Australia Bank Limited,
                              an Australian corporation,

     Dated:  02/13/95         By: /s/ Bruce Sinclair McComish
                                  -------------------------------
                                  Name:  Bruce Sinclair McComish
                                  Title: Chief Financial Officer




     <PAGE>12


                            Signature

     After reasonable inquiry, and to the best of my knowledge
     and belief, I certify that the information set forth in this
     Statement is true, complete and correct.

                              MNC Acquisition Co.,
                              a Michigan corporation, 


     Dated:  02/13/95         By: /s/ Bruce Sinclair McComish
                                  ------------------------------
                                   Name:  Bruce Sinclair McComish
                                   Title: Chairman, President and
                                          Chief Executive Officer



     <PAGE>13

                                                          ANNEX A
                        IDENTITY AND BACKGROUND

   Following are the names, business addresses, principal occupations
   and citizenships of the Directors and Executive Officers of NAB.


                                                Principal
      Name & Position       Business Address    Occupation         Citizenship

  William Robert Mitchel   National Australia   Chairman, NAB      Australian
  Irvine                   Bank Limited
  Director                 500 Bourke Street
                           MELBOURNE VIC 3000
                           AUSTRALIA

  Brian Thorley Loton AC   The Broken Hill      Vice Chairman,     Australian
  Director                 Proprietary Company  NAB
                           Limited              Chairman, The
                           600 Bourke Place,    Broken Hill
                           49th Floor           Proprietary
                           MELBOURNE VIC 3000   Company Limited
                           AUSTRALIA            (exploration,
                                                mining and
                                                manufacturing)

  David Kennedy            National Australia   Vice Chairman,     Australian
  Macfarlane               Bank Limited         NAB  Director
                           500 Bourke Street
                           MELBOURNE VIC 3000
                           AUSTRALIA

  Donald Robert Argus      National Australia   Chief Executive    Australian
  Director and             Bank Limited         Officer, NAB
  Executive Officer        500 Bourke Street
                           MELBOURNE VIC 3000
                           AUSTRALIA

  David Charles Keith      Woodside Petroleum   Managing           British
  Allen AO                 Limited              Director,
  Director                 386 Bourke Street,   Woodside
                           40th Floor           Petroleum
                           MELBOURNE VIC 3000   Limited
                           AUSTRALIA            (oil and gas
                                                exploration)

  Peter John Waraker       O'Connell Street     Chairman, Email    Australian
  Cottrell AO              Association Pty      Limited
  OBE                      Ltd.                 (whitegoods
  Director                 2 O'Connell Street,  manufacturer)
                           6th Floor
                           SYDNEY NSW 2000
                           AUSTRALIA




     <PAGE>14


                                                Principal
      Name & Position       Business Address    Occupation         Citizenship

  Dr. Christopher          North Limited        Chairman, North    British
  Michael Deeley           7th Floor, 476 St.   Limited
  Director                 Kilda Road           (industrial and
                           MELBOURNE VIC 3000   mining
                           AUSTRALIA            operations)

  David Alexander Tange    National Australia   Director, NAB      Australian
  Dickins                  Bank Limited
  Director                 500 Bourke Street
                           MELBOURNE VIC 3000
                           AUSTRALIA

  The Lord Nickson KBE     Clydesdale Bank PLC  Director           British
  DL                       30 St. Vincent       Clydesdale Bank
  Director                 Place                PLC (NAB)
                           GLASGOW G12HL
                           SCOTLAND

  Mark Richard Rayner      CRA Limited          Director and       Australian
  Director                 55 Collins Street,   Group
                           35th Floor           Executive, CRA
                           MELBOURNE VIC 3000   Limited
                           AUSTRALIA            (mining and
                                                processing of
                                                mineral
                                                resources)

  Joseph Charles           National Australia   Director, NAB      Australian
  Trethowan AM             Bank Limited
  Director                 500 Bourke Street
                           MELBOURNE VIC 3000
                           AUSTRALIA

  Andrew Turnbull          Burns Philip &       Chairman, Burns    Australian/
  Director                 Company Limited      Philip & Company   British
                           7 Bridge Street      Limited
                           SYDNEY NSW 2000      (manufacturing
                           AUSTRALIA            of food
                                                ingredients,
                                                hardware,
                                                retailing and
                                                shipping)

  Sir Bruce Dunstan        MIM Holdings         Chairman and       Australian
  Watson                   Limited              Chief Executive,
  Director                 410 Anne Street,     MIM Holdings
                           1st Floor            Limited
                           BRISBANE QLD 4000    (international
                           AUSTRALIA            metal and
                                                mineral
                                                processing)





     <PAGE>15


                                                Principal
      Name & Position       Business Address    Occupation         Citizenship

  Allan William Diplock    National Australia   Chief General      Australian
  Executive Officer        Bank Limited         Manager,
                           500 Bourke Street    Australian Bank
                           MELBOURNE VIC 3000   of NAB
                           AUSTRALIA

  Robert Malcolm Charles   Bank of New Zealand  Managing           Australian
  Prowse                   BNZ Centre, 1        Director,
  Executive Officer        Willis Street        Bank of New
                           WELLINGTON           Zealand (NAB)
                           NEW ZEALAND

  John Kelvin Dawson       National Australia   Managing           Australian
  Executive Officer        Group (UK) Limited   Director,
                           6-8 Tokenhouse Yard  National
                           LONDON EC2R 7AJ      Australia Group
                                                (UK) Limited
                                                (NAB)

  Bruce Sinclair           National Australia   Chief Financial    New
  McComish                 Bank Limited         Officer, NAB       Zealander
  Executive Officer        500 Bourke Street
                           MELBOURNE VIC 3000
                           AUSTRALIA

  Clifford William         National Australia   Group General      Australian
  Breeze                   Bank Limited         Manager
  Executive Officer        500 Bourke Street    Asia, Americas,
                           MELBOURNE VIC 3000   Subsidiaries &
                           AUSTRALIA            Technology, NAB

  Roland Frank Matrenza    National Australia   Group General      Australian
  Executive Officer        Bank Limited         Manager
                           500 Bourke Street    Group Strategic
                           MELBOURNE VIC 3000   Development, NAB
                           AUSTRALIA

  Leslie Raymond Ryan      National Australia   Group General      Australian
  Executive Officer        Bank Limited         Manager
                           500 Bourke Street    Group Risk
                           MELBOURNE VIC 3000   Management, NAB
                           AUSTRALIA

  Gordon John Wheaton      National Australia   Group General      Australian
  Executive Officer        Bank Limited         Manager
                           500 Bourke Street    Group Human
                           MELBOURNE VIC 3000   Resources, NAB
                           AUSTRALIA




     <PAGE>16

   Following are the names, business addresses, principal occupations
   and citizenships of the Directors and Executive Officers of Sub.


                                          Principal
  Name & Position   Business Address      Occupation           Citizenship

  Bruce Sinclair    National Australia    Chief Financial      New Zealander
  McComish          Bank Limited          Officer, NAB
  Director and      500 Bourke Street
  Executive         MELBOURNE VIC 3000
  Officer           AUSTRALIA

  Raymond Peter     National Australia    Executive Vice       Australian
  McCracken         Bank Limited          President, New York
  Director and      200 Park Avenue       Branch of NAB
  Executive         New York, NY 10166
  Officer

  Alan Frankenburg  National Australia    General Manager,     Australian
  Executive         Bank Limited          South Australia
  Officer           22 King William       Region, NAB
                    Street
                    Adelaide, South
                    Australia

  Richard McKinnon  National Australia    Head of Investment   Australian
  Executive         Bank Limited          and Advisory
  Officer           500 Bourke Street     Services, NAB
                    MELBOURNE VIC 3000
                    AUSTRALIA






     <PAGE>17

                                                                 ANNEX B

               On December 16, 1994, the Pension Fund sold 338
     shares of Common Stock for $78.00 per share.  On
     December 28, 1994, the Pension Fund sold 462 shares of
     Common Stock for $74.875 per share.  Each trade was settled
     by Brown Brothers Harriman New York through the Depository
     Trust Company New York.





     <PAGE>18

                             EXHIBIT INDEX


          Exhibit No.     Description             Page Number

              (a)         Agreement of NAB             19
                          and Sub dated the
                          date hereof.

              (b)         Agreement and Plan           20
                          of Merger dated as
                          of February 4,
                          1995, among NAB,
                          Sub and the
                          Issuer.

              (c)         Stock Option                83
                          Agreement dated as
                          of February 4,
                          1995, among NAB,
                          Sub and the
                          Issuer.














    <PAGE>19

                                      Exhibit (a) to Schedule 13D



     Each of the undersigned hereby agree that the Statement on
     Schedule 13D dated 02/13/95, with respect to the Stock
     Option Agreement dated as of February 4, 1995, among each of
     the undersigned and Michigan National Corporation, is filed
     on behalf of each of them.



                              National Australia Bank
                              Limited,
                              an Australian corporation, 


     Dated:  02/13/95         By:  /s/ Bruce Sinclair McComish   
                                   ------------------------------
                                   Name:  Bruce Sinclair McComish
                                   Title: Chief Financial Officer



                              MNC Acquisition Co.,
                              a Michigan corporation, 


     Dated:  02/13/95         By:  /s/ Bruce Sinclair McComish   
                                   ------------------------------
                                   Name:  Bruce Sinclair McComish
                                   Title: Chairman, President and
                                          Chief Executive Officer




     <PAGE>20

                                      Exhibit (b) to Schedule 13D



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









                     AGREEMENT AND PLAN OF MERGER



                     Dated as of February 4, 1995


                                 among

           NATIONAL AUSTRALIA BANK LIMITED A.C.N. 004044937,



                          MNC ACQUISITION CO.



                                  and


                     MICHIGAN NATIONAL CORPORATION








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






     <PAGE>21


                           TABLE OF CONTENTS

                                                             Page

     Parties and Recitals  . . . . . . . . . . . . . . . . . . . .       1

                               ARTICLE I

                              The Merger

               SECTION 1.01.    The Merger  . . . . . . . . . . . .       2
               SECTION 1.02.    Closing . . . . . . . . . . . . . .       2
               SECTION 1.03.    Effective Time  . . . . . . . . . .       3
               SECTION 1.04.    Effects of the Merger . . . . . . .       3
               SECTION 1.05.    Articles of Incorporation 
                                  and By-laws . . . . . . . . . . .       3
               SECTION 1.06.    Directors . . . . . . . . . . . . .       3
               SECTION 1.07.    Officers  . . . . . . . . . . . . .       3
               SECTION 1.08.    Principal Place of Business . . . .       4


                              ARTICLE II

           Effect of the Merger on the Capital Stock of the
          Constituent Corporations; Exchange of Certificates

               SECTION 2.01.    Effect on Capital Stock . . . . . .       4
               SECTION 2.02.    Exchange of Certificates  . . . . .       5

                              ARTICLE III

                    Representations and Warranties

               SECTION 3.01.    Representations and Warranties of
                                  the Company . . . . . . . . . . .       7
               SECTION 3.02.    Representations and Warranties of 
                                  Parent and Sub  . . . . . . . . .      25

                              ARTICLE IV

        Covenants Relating to Conduct of the Company's Business

               SECTION 4.01.    Covenants of the Company  . . . . .      29
               SECTION 4.02.    No Solicitation . . . . . . . . . .      35



     <PAGE>22

                               ARTICLE V

                         Additional Agreements

               SECTION 5.01.    Preparation of the Proxy 
                                  Statement . . . . . . . . . . . .      38
               SECTION 5.02.    Access to Information . . . . . . .      38
               SECTION 5.03.    Company Stockholders Meeting  . . .      39
               SECTION 5.04.    Legal Conditions to Merger  . . . .      40
               SECTION 5.05.    Employee Benefit Plans  . . . . . .      41
               SECTION 5.06.    Stock Options and the ESOP  . . . .      42
               SECTION 5.07.    Fees and Expenses . . . . . . . . .      43
               SECTION 5.08.    Indemnification, Exculpation
                                  and Insurance . . . . . . . . . .      44
               SECTION 5.09.    Company Accruals and Reserves . . .      45
               SECTION 5.10.    Rights Agreement  . . . . . . . . .      46
               SECTION 5.11.    Company Debentures  . . . . . . . .      46
               SECTION 5.12.    Additional Agreements . . . . . . .      46
               SECTION 5.13.    Parent Covenants  . . . . . . . . .      47


                              ARTICLE VI

                         Conditions Precedent

               SECTION 6.01.    Conditions to Each Party's
                                  Obligation To Effect the Merger .      48
               SECTION 6.02.    Conditions to Obligations 
                                  of Parent . . . . . . . . . . . .      49
               SECTION 6.03.    Conditions to Obligations of the
                                  Company . . . . . . . . . . . . .      50


                              ARTICLE VII

                       Termination and Amendment

               SECTION 7.01.    Termination . . . . . . . . . . . .      51
               SECTION 7.02.    Effect of Termination . . . . . . .      53
               SECTION 7.03.    Amendment . . . . . . . . . . . . .      53
               SECTION 7.04.    Extension; Waiver . . . . . . . . .      53
               SECTION 7.05.    Procedure for Termination,
                                  Amendment, Extension or Waiver  .      54





     <PAGE>23

                             ARTICLE VIII
                          General Provisions

               SECTION 8.01.    Nonsurvival of Representations and
                                  Warranties  . . . . . . . . . . .      54
               SECTION 8.02.    Notices . . . . . . . . . . . . . .      54
               SECTION 8.03.    Definitions; Interpretation . . . .      56
               SECTION 8.04.    Counterparts  . . . . . . . . . . .      57
               SECTION 8.05.    Entire Agreement; No Third-Party
                                  Beneficiaries; Rights of
                                  Ownership . . . . . . . . . . . .      57
               SECTION 8.06.    Governing Law . . . . . . . . . . .      57
               SECTION 8.07.    Limitations on Remedies . . . . . .      57
               SECTION 8.08.    Publicity . . . . . . . . . . . . .      58
               SECTION 8.09.    Assignment  . . . . . . . . . . . .      58
               SECTION 8.10.    Enforcement . . . . . . . . . . . .      58


     EXHIBIT A                  Form of Stock Option Agreement







     <PAGE>24


                         AGREEMENT AND PLAN OF MERGER dated as of
                    February 4, 1995, among NATIONAL AUSTRALIA
                    BANK LIMITED A.C.N. 004044937, an Australian
                    corporation ("Parent"), MNC ACQUISITION CO.,
                    a Michigan corporation and a wholly owned
                    subsidiary of Parent ("Sub"), and MICHIGAN
                    NATIONAL CORPORATION, a Michigan corporation
                    (the "Company").


               WHEREAS the Company is a registered bank holding
     company under the Bank Holding Company Act of 1956, as
     amended (the "BHC Act");

               WHEREAS Parent is a commercial bank under
     Australian law and is a foreign bank within the meaning of
     the International Banking Act of 1978, as amended (the
     "IBA");

               WHEREAS the respective Boards of Directors of
     Parent, Sub and the Company have approved the merger of Sub
     into the Company, or the Company into Sub, at the election
     of Parent as set forth below (the "Merger"), upon the terms
     and subject to the conditions set forth in this Agreement,
     whereby each issued and outstanding share of common stock,
     par value U.S. $10 per share, of the Company ("Company
     Common Stock"), not owned directly or indirectly by Parent
     or the Company, will be converted into the right to receive
     U.S. $110.00 in cash;

               WHEREAS, as a condition and inducement to Parent's
     and Sub's willingness to enter into this Agreement, Parent,
     Sub and the Company are entering into a Stock Option
     Agreement dated as of the date hereof in the form of
     Exhibit A attached hereto (the "Stock Option Agreement")
     pursuant to which the Company has granted to Parent an
     option to purchase shares of Company Common Stock;

               WHEREAS the Merger requires the approval by an
     affirmative vote of the holders of a majority of the
     outstanding shares of Company Common Stock entitled to vote
     thereon ("Company Stockholder Approval"); and

               WHEREAS Parent, Sub and the Company desire to make
     certain representations, warranties, covenants and 







          <PAGE>25

                                                                2

     agreements in connection with the Merger and also to
     prescribe various conditions to the Merger.


               NOW, THEREFORE, in consideration of the foregoing
     and the respective representations, warranties, covenants
     and agreements set forth herein and in the Stock Option
     Agreement, the parties hereto agree as follows:


                               ARTICLE I
                              The Merger

               SECTION 1.01.  The Merger.  Upon the terms and
     subject to the conditions set forth in this Agreement, and
     in accordance with the Michigan Business Corporation Act
     (the "MBCA"), Sub shall be merged with and into the Company
     at the Effective Time (as defined in Section 1.03). 
     Following the Merger, the separate corporate existence of
     Sub shall cease and the Company shall continue as the
     surviving corporation (the "Surviving Corporation") and
     shall succeed to and assume all the rights and obligations
     of Sub in accordance with the MBCA.  Notwithstanding the
     foregoing, Parent may elect at any time prior to the mailing
     of the Proxy Statement (as defined herein), instead of
     merging Sub into the Company as provided above, to merge the
     Company with and into Sub; provided, however, that the
     Company shall not be deemed to have breached any of its
     representations, warranties, covenants or agreements set
     forth in this Agreement solely by reason of such election;
     provided, further, that no such election may be made if it
     would alter or change the amount or kind of Merger
     Consideration (as defined in Section 2.01(c)) to be received
     by holders of Company Common Stock pursuant to Article II,
     or be reasonably likely to materially delay or impede
     consummation of the transactions contemplated hereby.  In
     such event, the parties agree to execute an appropriate
     amendment to this Agreement in order to reflect the
     foregoing and, where appropriate, to provide that Sub shall
     be the Surviving Corporation and shall continue under the
     name "Michigan National Corporation".

               SECTION 1.02.  Closing.  The closing of the Merger
     (the "Closing") will take place at 10:00 a.m. on a date to
     be specified by the parties, which shall be no later than
     the later of (i) the third business day or (ii) the first
     business day of the month, in either case following the 



          <PAGE>26

                                                                3

     satisfaction (or waiver) of all the conditions set forth in
     Article VI (the "Closing Date"), at the offices of Cravath,
     Swaine & Moore, Worldwide Plaza, 825 Eighth Avenue, New
     York, NY 10019, unless another time, date or place is agreed
     to in writing by the parties hereto.

               SECTION 1.03.  Effective Time.  Subject to the
     provisions of this Agreement, as soon as practicable on the
     Closing Date, a certificate of merger or other appropriate
     documents (in any such case, the "Certificate of Merger")
     shall be duly prepared, executed, acknowledged and filed by
     the parties in accordance with the relevant provisions of
     the MBCA with the Department of Commerce of the State of
     Michigan.  The Merger shall become effective upon the filing
     of the Certificate of Merger with the Department of Commerce
     of the State of Michigan or at such time thereafter as is
     provided in the Certificate of Merger (the time the Merger
     becomes effective being hereinafter referred to as the
     "Effective Time").

               SECTION 1.04.  Effects of the Merger.  The Merger
     shall have the effects set forth in Section 724 of the MBCA.

               SECTION 1.05.  Articles of Incorporation and By-
     laws.  (a)  The articles of incorporation of the Company as
     in effect immediately prior to the Effective Time shall be
     the articles of incorporation of the Surviving Corporation
     until thereafter changed or amended as provided therein or
     by applicable law. 

               (b)  The by-laws of the Company as in effect
     immediately prior to the Effective Time shall be the by-laws
     of the Surviving Corporation, until thereafter changed or
     amended as provided therein or by applicable law.

               SECTION 1.06.  Directors.  The directors of Sub at
     the Effective Time and the persons listed on Schedule 1.06
     shall be the directors of the Surviving Corporation, until
     the earlier of their resignation or removal or until their
     respective successors are duly elected and qualified, as the
     case may be.

               SECTION 1.07.  Officers.  The officers of the
     Company immediately prior to the Effective Time shall be the
     officers of the Surviving Corporation, until the earlier of
     their resignation or removal or until their respective
     successors are duly elected and qualified, as the case may
     be.





          <PAGE>27

                                                                4

               SECTION 1.08.  Principal Place of Business. 
     Parent currently intends to maintain the Surviving
     Corporation's headquarters and its principal place of
     business at the Company's existing headquarters.


                              ARTICLE II

           Effect of the Merger on the Capital Stock of the
          Constituent Corporations; Exchange of Certificates

               SECTION 2.01.  Effect on Capital Stock.  As of the
     Effective Time, by virtue of the Merger and without any
     action on the part of the holder of any shares of Company
     Common Stock or any shares of capital stock of Sub:

               (a)  Capital Stock of Sub.  Each issued and
          outstanding share of capital stock of Sub shall be
          converted into and become one fully paid and
          nonassessable share of Common Stock, par value U.S.
          $.01 per share, of the Surviving Corporation.

               (b)  Cancellation of Company and Parent Owned
          Stock.  Each share of Company Common Stock that is
          owned by the Company or by any subsidiary of the
          Company (which shall not include any shares owned by
          the Company's Employee Stock Ownership Plan and Trust
          (the "ESOP")) and each share of Company Common Stock
          that is owned by Parent, Sub or any other subsidiary of
          Parent (other than, in each case, shares in trust
          accounts, managed accounts, custodial accounts and the
          like that are beneficially owned by third parties (any
          such shares, "Trust Account Shares")) shall be
          automatically cancelled and retired and shall cease to
          exist, and no consideration shall be delivered in
          exchange therefor.

               (c)  Conversion of Company Common Stock.  Each
          issued and outstanding share of Company Common Stock
          (other than shares to be cancelled in accordance with
          Section 2.01(b)) shall be converted into the right to
          receive from the Surviving Corporation in cash, without
          interest, U.S. $110.00 (the "Merger Consideration"). 
          As of the Effective Time, all such shares of Company
          Common Stock shall no longer be outstanding and shall
          automatically be cancelled and retired and shall cease
          to exist, and each holder of a certificate previously
          representing any such shares shall cease to have any 








          <PAGE>28

                                                                5

          rights with respect thereto, except the right to
          receive the Merger Consideration, without interest.

               SECTION 2.02.  Exchange of Certificates. 
     (a)  Paying Agent.  Prior to the Effective Time, Parent
     shall designate Michigan National Bank, a national banking
     association and a wholly owned subsidiary of the Company
     ("MNB"), or such other bank or trust company reasonably
     acceptable to the Company, to act as paying agent (the
     "Paying Agent") for the payment of the Merger Consideration
     upon surrender of certificates representing Company Common
     Stock.

               (b)  Parent To Provide Funds.  Parent shall take
     all steps necessary to enable and cause Sub, or the
     Surviving Corporation, to provide to the Paying Agent on a
     timely basis, as and when needed on and after the Effective
     Time, funds necessary to pay for the shares of Company
     Common Stock as part of the Merger pursuant to Section 2.01.

               (c)  Exchange Procedures.  As soon as reasonably
     practicable (and in any event no later than 10 days) after
     the Effective Time, Parent shall cause the Paying Agent to
     mail to each holder of record of a certificate or
     certificates which immediately prior to the Effective Time
     represented outstanding shares of Company Common Stock (the
     "Certificates") whose shares were converted into the right
     to receive the Merger Consideration pursuant to Section 2.01
     (i) a letter of transmittal (which shall specify that
     delivery shall be effected, and risk of loss and title to
     the Certificates shall pass, only upon delivery of the
     Certificates to the Paying Agent and shall be in such form
     and have such other customary provisions as Parent may
     reasonably specify) and (ii) instructions for use in
     effecting the surrender of the Certificates in exchange for
     the Merger Consideration.  Upon surrender of a Certificate
     for cancellation to the Paying Agent or to such other agent
     or agents as may be appointed by Parent, together with such
     letter of transmittal, duly executed, and such other
     customary documents as may be reasonably required by the
     Paying Agent, the holder of such Certificate shall be
     entitled to receive in exchange therefor the amount of cash
     into which the shares of Company Common Stock theretofore
     represented by such Certificate shall have been converted
     pursuant to Section 2.01, and the Certificate so surrendered
     shall forthwith be cancelled.  In the event of a transfer of
     ownership of Company Common Stock which is not registered in
     the transfer records of the Company, payment may be made to 






          <PAGE>29

                                                                6

     a person other than the person in whose name the Certificate
     so surrendered is registered, if such Certificate shall be
     properly endorsed or otherwise be in proper form for
     transfer and the person requesting such payment shall pay
     any transfer or other taxes required by reason of the
     payment to a person other than the registered holder of such
     Certificate or establish to the satisfaction of the
     Surviving Corporation that such tax has been paid or is not
     applicable.  Until surrendered as contemplated by this
     Section 2.02, each Certificate shall be deemed at any time
     after the Effective Time to represent only the right to
     receive upon such surrender the amount of cash, without
     interest, into which the shares of Company Common Stock
     theretofore represented by such Certificate shall have been
     converted pursuant to Section 2.01.  No interest will be
     paid or will accrue on the cash payable upon the surrender
     of any Certificate.

               (d)  No Further Ownership Rights in Company Common
     Stock.  All cash paid upon the surrender of Certificates in
     accordance with the terms hereof shall be deemed to have
     been paid in full satisfaction of all rights pertaining to
     the shares of Company Common Stock theretofore represented
     by such Certificates, subject, however, to the Surviving
     Corporation's obligation to pay any dividends or make any
     other distributions with a record date prior to the
     Effective Time which may have been declared or made by the
     Company on such shares of Company Common Stock in accordance
     with the terms of this Agreement on or prior to the
     Effective Time and which remain unpaid at the Effective
     Time, and there shall be no further registration of
     transfers on the stock transfer books of the Surviving
     Corporation of the shares of Company Common Stock which were
     outstanding immediately prior to the Effective Time.  If,
     after the Effective Time, Certificates are presented to the
     Surviving Corporation for any reason, they shall be
     cancelled and exchanged as provided in this Article II.

               (e)  No Liability.  None of Parent, Sub, the
     Company or the Paying Agent shall be liable to any person in
     respect of any cash delivered to a public official pursuant
     to any applicable abandoned property, escheat or similar
     law.  If any Certificates shall not have been surrendered
     prior to seven years after the Effective Time (or
     immediately prior to such earlier date on which any payment
     pursuant to this Article II would otherwise escheat to or
     become the property of any Governmental Entity (as defined
     in Section 3.01(c))), the cash payment in respect of such 








          <PAGE>30

                                                                7

     Certificate shall, to the extent permitted by applicable
     law, become the property of the Surviving Corporation, free
     and clear of all claims or interests of any person
     previously entitled thereto.


                              ARTICLE III

                    Representations and Warranties

               SECTION 3.01.  Representations and Warranties of
     the Company.  Except as set forth on the Disclosure Schedule
     delivered by the Company to Parent prior to the execution of
     this Agreement (the "Company Disclosure Schedule"), the
     Company represents and warrants to Parent and Sub as
     follows:

               (a)  Organization and Authority.  The Company is a
     bank holding company duly registered under the BHC Act.  MNB
     is a directly held wholly owned (other than any directors'
     qualifying shares) subsidiary of the Company.  Each of the
     Company and its subsidiaries is a bank or corporation duly
     organized, validly existing and in good standing under the
     laws of its jurisdiction of incorporation or organization,
     has all requisite corporate power and authority to own,
     lease and operate its properties and to carry on its
     business as now being conducted and is duly qualified and in
     good standing to do business in each jurisdiction in which
     the nature of its business or the ownership or leasing of
     its properties makes such qualification necessary except
     where the failure so to qualify would not have a Material
     Adverse Effect (as defined in Section 8.03(a)) on the
     Company.

               (b)  Capital Structure.  (i)  The authorized
     capital stock of the Company consists of 50,000,000 shares
     of Company Common Stock and 6,000,000 shares of preferred
     stock, par value U.S.$10 per share, of the Company ("Company
     Preferred Stock").  At the close of business on February 3,
     1995, (A) (1) 13,233,678 shares of Company Common Stock were
     outstanding, (2) 2,633,502 shares of Company Common Stock
     were reserved for issuance under the Stock Option Agreement,
     (3) 441,942 shares of Company Common Stock were reserved for
     issuance with respect to outstanding options issued under
     the Company's stock option, stock bonus and incentive plans,
     including the ESOP (the "Company Stock Plans"), a list of
     which is set forth on the Company Disclosure Schedule






          <PAGE>31

                                                                8

     and (4) 665,419 shares of Company Common Stock were reserved
     for issuance in connection with the Company's Cancelable
     Mandatory Stock Purchase Contracts issued and outstanding as
     of the date hereof (the "Equity Contracts") in connection
     with the Company's 8% Redeemable Subordinated Debentures due
     November 10, 1998 issued and outstanding as of the date
     hereof (the "Company Debentures"), (B) no shares of Company
     Preferred Stock were outstanding and (C) 500,000 shares of
     Series B Junior Participating Preferred Stock (the "Company
     Series B Preferred") were reserved for issuance upon
     exercise of the rights (the "Rights") distributed to the
     holders of Company Common Stock pursuant to the Rights
     Agreement dated as of April 25, 1988, between the Company
     and Mellon Bank, N.A., as Rights Agent (the "Rights
     Agreement").  Except as set forth above, at the close of
     business on February 3, 1995, no shares of capital stock or
     other voting securities of the Company were issued, reserved
     for issuance or outstanding.

                (ii)  As of the date hereof, other than the Company
     Debentures and the related Equity Contracts referred to in
     paragraph (i) above, no bonds, debentures, notes or other
     indebtedness having the right to vote (or convertible into
     or exchangeable for securities having the right to vote) on
     any matters on which stockholders may vote ("Voting Debt")
     of the Company were issued or outstanding.  All outstanding
     shares of the Company capital stock are, and any shares of
     Company Common Stock which may be issued pursuant to the
     Stock Option Agreement or upon exercise of Company Stock
     Options (as defined in Section 5.06) will be, validly
     issued, fully paid and nonassessable and will be delivered
     free and clear of all claims, liens, encumbrances, charges,
     pledges or security interests of any kind or nature
     whatsoever (collectively, "Liens") and not subject to
     preemptive rights.

               (iii)  As of the date of this Agreement, except for
     this Agreement, the Company Stock Plans, the Company Stock
     Options, the Rights Agreement, the Equity Contracts and the
     Stock Option Agreement, there are no outstanding securities,
     options, warrants, calls, rights, commitments, agreements,
     arrangements or undertakings of any kind to which the
     Company or any subsidiary of the Company is a party or by
     which it is bound obligating the Company or any subsidiary
     of the Company to issue, deliver or sell, or cause to be
     issued, delivered or sold, additional shares of capital
     stock or any Voting Debt of the Company or of any subsidiary


          <PAGE>32

                                                                9

     of the Company or obligating the Company or any subsidiary
     of the Company to issue, grant, extend or enter into any
     such security, option, warrant, call, right, commitment,
     agreement, arrangement or undertaking.  As of the date
     hereof, there are no outstanding contractual obligations
     (A) of the Company or any of its subsidiaries to repurchase,
     redeem or otherwise acquire any shares of capital stock of
     the Company or any of its subsidiaries, other than the Stock
     Option Agreement, or (B) of the Company to vote or to
     dispose of any shares of the capital stock of any of its
     subsidiaries.

               (c)  Authorization.  (i)  The Company has all
     requisite corporate power and authority to enter into this
     Agreement and the Stock Option Agreement and, subject in the
     case of this Agreement to the Company Stockholder Approval,
     to consummate the transactions contemplated hereby and
     thereby.  The execution and delivery of this Agreement and
     the Stock Option Agreement and the consummation of the
     transactions contemplated hereby and thereby have been duly
     authorized by all necessary corporate action on the part of
     the Company, subject in the case of this Agreement to the
     Company Stockholder Approval.  Without limiting the
     foregoing, the Company has taken all necessary corporate
     action to authorize and reserve for issuance that number of
     shares of Company Common Stock equal to the maximum number
     of shares of Company Common Stock issuable upon exercise of
     the option granted pursuant to the Stock Option Agreement. 
     This Agreement and the Stock Option Agreement have been duly
     executed and delivered by the Company and each constitutes a
     valid and binding obligation of the Company, enforceable
     against the Company in accordance with its terms.

               (ii)  The execution and delivery of this Agreement
     and the Stock Option Agreement do not, and the consummation
     of the transactions contemplated hereby and thereby will
     not, and compliance by the Company with any of the
     provisions hereof or thereof will not, (A) conflict with, or
     result in any breach or violation of, or default (with or
     without notice or lapse of time or both) under, or result in
     the termination of, or accelerate the performance required
     by, or give rise to a right of termination, cancellation or
     acceleration of any obligation or the loss of a material
     benefit under, or the creation of a Lien (any such conflict,
     breach, violation, default, termination, acceleration, right
     of termination, cancellation or acceleration, loss or
     creation, a "Violation") pursuant to, any provision of the
     articles of incorporation or by-laws of the Company, MNB or 








          <PAGE>33

                                                               10

     any other subsidiary of the Company or (B) subject to
     obtaining or making the consents, approvals, orders,
     authorizations, registrations, declarations and filings
     referred to in paragraph (iii) below, result in any
     Violation of any loan or credit agreement, note, mortgage,
     indenture, lease, Company Benefit Plan (as defined in
     Section 3.01(k)) or other agreement, obligation, instrument,
     permit, concession, franchise, license, judgment, order,
     decree, statute, law, ordinance, rule or regulation
     applicable to the Company, MNB or any other subsidiary of
     the Company or their respective properties or assets, which
     Violation under this clause (B) could reasonably be expected
     to have, individually or in the aggregate with other such
     Violations, a Material Adverse Effect on the Company.

               (iii)  No consent, approval, order or authorization
     of, or registration, declaration or filing with, any court,
     administrative agency or commission or other governmental
     authority or instrumentality, domestic or foreign (a
     "Governmental Entity"), is required by or with respect to
     the Company, MNB or any other subsidiary of the Company in
     connection with the execution and delivery of this Agreement
     and the Stock Option Agreement by the Company, or the
     consummation by the Company of the transactions contemplated
     hereby and thereby, the failure to obtain which could,
     individually or in the aggregate, reasonably be expected to
     have a Material Adverse Effect on the Company, except for
     (A) the filing of applications with the Board of Governors
     of the Federal Reserve System (the "Federal Reserve") under
     the BHC Act and with the Office of Thrift Supervision (the
     "OTS") and approval of the same, (B) the filing with the SEC
     of (1) a proxy statement in definitive form (as amended or
     supplemented from time to time, the "Proxy Statement")
     relating to the meeting of the Company's stockholders at
     which a vote is held on the Merger (the "Company
     Stockholders Meeting") and (2) such reports under
     Sections 13(a), 13(d), 13(g) and 16(a) of the Securities
     Exchange Act of 1934, as amended (the "Exchange Act"), as
     may be required in connection with this Agreement, the Stock
     Option Agreement and the transactions contemplated hereby
     and thereby and the obtaining from the SEC of such orders as
     may be required in connection therewith, (C) the filing of
     the Certificate of Merger with the Department of Commerce of
     the State of Michigan and appropriate documents with the
     relevant authorities of other states in which the Company is
     qualified to do business, (D) the filing of such
     applications, filings, authorizations, orders and approvals
     as may be required under state banking laws, and with and of





          <PAGE>34

                                                               11

     state banking authorities and approval of same
     (collectively, the "State Banking Approvals"), (E) consents,
     authorizations, approvals, filings or exemptions in
     connection with compliance with the applicable provisions of
     Federal and state securities laws relating to the regulation
     of broker-dealers or investment advisers, and Federal
     commodities laws relating to the regulation of futures
     commission merchants and the rules and regulations
     thereunder and of any applicable industry self-regulatory
     organization, and the rules of the Nasdaq over-the-counter
     market, or which are required under consumer finance,
     mortgage banking and other similar laws, (F) notices, if
     any, under the Hart-Scott-Rodino Antitrust Improvements Act
     of 1976, as amended (the "HSR Act"), (G) such filings,
     authorizations, orders and approvals as may be required
     under foreign laws and (H) filings, notifications and
     approvals under state insurance laws and regulations.

               (d)  SEC Documents; Financial Statements; Reports. 
     (i)  The Company has made available to Parent a true and
     complete copy of each report, schedule, registration
     statement and definitive proxy statement filed by the
     Company with the SEC (other than reports filed pursuant to
     Section 13(d) or 13(g) of the Exchange Act) since January 1,
     1994 (the "Company SEC Documents"), which are all the
     documents (other than preliminary material and reports
     required pursuant to Section 13(d) or 13(g) of the Exchange
     Act) that the Company was required to file with the SEC
     since such date.  As of their respective dates, the Company
     SEC Documents complied in all material respects with the
     requirements of the Securities Act of 1933, as amended (the
     "Securities Act"), or the Exchange Act, as the case may be,
     and the rules and regulations of the SEC thereunder
     applicable to such Company SEC Documents.  All material
     agreements, contracts and other documents required to be
     filed as exhibits to any of the Company SEC Documents have
     been so filed.  Except to the extent that information
     contained in any Company SEC Document has been revised or
     superseded by a later Company Filed SEC Document (as defined
     in Section 3.01(f)), none of the Company SEC Documents
     contains any untrue statement of a material fact or omits to
     state a material fact required to be stated therein or
     necessary to make the statements therein, in light of the
     circumstances under which they were made, not misleading.  

               (ii)  The financial statements of the Company
     included in the Company SEC Documents comply as to form in
     all material respects with applicable accounting 





          <PAGE>35

                                                               12

     requirements and with the published rules and regulations of
     the SEC with respect thereto, have been prepared in
     accordance with generally accepted accounting principles
     applied on a consistent basis ("GAAP") during the periods
     involved (except as may be indicated in the notes thereto
     or, in the case of the unaudited statements, as permitted by
     Form 10-Q of the SEC) and fairly present the consolidated
     financial position of the Company and its consolidated
     subsidiaries as at the dates thereof and the consolidated
     results of their operations and cash flows for the periods
     then ended.

                (iii)  Since January 1, 1994, each of the Company
     and its subsidiaries, including MNB, has filed all material
     reports, registrations and statements, together with any
     required material amendments thereto ("Company Regulatory
     Reports"), and has paid all fees and assessments due and
     payable therewith, that it was required to file with the
     Federal Reserve, the Federal Deposit Insurance Corporation
     (the "FDIC"), the U.S. Comptroller of the Currency (the
     "OCC"), the OTS, all applicable state banking and other
     regulatory authorities and other relevant Governmental
     Entities charged with the supervision or regulation of the
     Company or any of its subsidiaries (collectively,
     "Regulatory Authorities").  As of their respective dates,
     each such Company Regulatory Report complied in all material
     respects with all the rules and regulations promulgated by
     the applicable Regulatory Authority (including regulatory
     accounting practices) and, except as revised or superseded
     by a later filed Company Regulatory Report, does not contain
     any untrue statement of a material fact or omit to state a
     material fact required to be stated therein or necessary in
     order to make the statements therein, in light of the
     circumstances under which they were made, not misleading. 
     The Company has made available to Parent true and complete
     copies of MNB's most recent annual and quarterly
     Consolidated Reports of Condition and Income ("Call
     Reports") filed with the OCC.

               (e)  Information Supplied.  None of the
     information supplied or to be supplied by the Company for
     inclusion or incorporation by reference in the Proxy
     Statement will, at the date of mailing to stockholders and
     at the time of the Company Stockholders Meeting, contain any
     untrue statement of a material fact or omit to state any
     material fact required to be stated therein or necessary in
     order to make the statements therein, in light of the
     circumstances under which they were made, not misleading.  




          <PAGE>36

                                                               13

     The Proxy Statement will comply as to form in all material
     respects with the provisions of the Exchange Act and the
     rules and regulations thereunder, except that no
     representation or warranty is made by the Company with
     respect to statements made or incorporated by reference
     therein based on information supplied by Parent or Sub
     specifically for inclusion or incorporation by reference
     therein.

               (f)  Compliance with Applicable Laws.  (i)  The
     Company and its subsidiaries hold all permits, licenses,
     variances, exemptions, authorizations, orders and approvals
     of all Governmental Entities (the "Company Permits") that
     are required for them to own, lease or operate their
     properties and assets and to carry on their businesses as
     presently conducted, and there has occurred no default under
     any such Company Permit, except for the lack of Company
     Permits and for defaults under Company Permits which lack or
     default individually or in the aggregate would not have a
     Material Adverse Effect on the Company.  Except as disclosed
     in the Company SEC Documents filed and publicly available
     prior to the date of this Agreement (the "Company Filed SEC
     Documents"), the Company and its subsidiaries are in
     compliance in all material respects with all applicable
     statutes, laws, ordinances, rules, orders and regulations of
     any Governmental Entity, and with their internal policies
     and procedures.

                 (ii)  Neither the Company nor any of its
     subsidiaries has received any notification or communication
     which has not been fully and finally resolved from any
     Regulatory Authorities (A) asserting that any of the Company
     or any of its subsidiaries is not in substantial compliance
     with any of the statutes, regulations, ordinances or
     guidelines which such Regulatory Authority enforces or
     administers, or the internal policies and procedures of such
     company, (B) threatening to revoke any material Company
     Permit, including such company's status as an insured
     depositary institution under the Federal Deposit Insurance
     Act ("FDIA"), (C) requiring or threatening to require the
     Company or any of its subsidiaries, or indicating that the
     Company or any of its subsidiaries may be required, to enter
     into a cease and desist order, agreement or memorandum of
     understanding or any other agreement, to be subject to any
     directive or supervisory letter, or to adopt resolutions of
     its board of directors, in each case restricting or limiting
     or purporting to restrict or limit in any manner the
     operations of the Company or any of its subsidiaries, 






          <PAGE>37

                                                               14

     including any restriction on the payment of dividends, or
     relating to its capital adequacy, its credit policies or its
     management, or (D) directing, restricting or limiting, or
     purporting to direct, restrict or limit, in any manner the
     operations of the Company or any of its subsidiaries,
     including any restriction on the payment of dividends, or
     relating to its capital adequacy, its credit policies or its
     management (any such notification, communication, order,
     agreement, memorandum of understanding, directive,
     supervisory letter or required board resolutions being
     referred to herein as a "Regulatory Agreement").  Neither
     the Company nor any of its subsidiaries has received,
     consented to or entered into, or is subject to, any
     Regulatory Agreement, nor has the Company or any of its
     subsidiaries been advised by any Regulatory Authority that
     such Regulatory Authority is contemplating issuing or
     requesting (or is considering the appropriateness of issuing
     or requesting) any such Regulatory Agreement.  True and
     complete copies of all Regulatory Agreements have been
     delivered by the Company to Parent.

                (iii)  Except as may be required by virtue of the
     Merger, neither the Company nor any of its subsidiaries is
     required by Section 32 of the FDIA to give prior notice to a
     Regulatory Authority of the proposed addition of an
     individual to its board of directors or the employment of an
     individual as a senior executive officer.  

                 (iv)  To the knowledge of the Company, each of the
     Company and its subsidiaries is, and has been, and each of
     the Company's former subsidiaries, while subsidiaries of the
     Company, was in compliance with all applicable Environmental
     Laws (as defined below), except for possible noncompliance
     which individually or in the aggregate would not have a
     Material Adverse Effect on the Company.  The term
     "Environmental Laws" means any Federal, state, local or
     foreign statute, ordinance, rule, regulation, policy,
     permit, consent, approval, license, judgment, order, decree,
     injunction or other authorization relating to:  (A) Releases
     (as defined in 42 U.S.C. Section 9601(22)) or threatened Releases
     of Hazardous Material (as defined below) into the
     environment; or (B) the generation, treatment, storage,
     disposal, use, handling, manufacturing, transportation or
     shipment of any Hazardous Material.  The term "Hazardous
     Material" means (1) hazardous substances (as defined in 42
     U.S.C. Section 9601(14)), (2) petroleum, including crude oil and
     any fractions thereof, (3) natural gas, synthetic gas and
     any mixtures thereof, (4) asbestos and/or asbestos-







          <PAGE>38

                                                               15

     containing material and (5) polychlorinated biphenyls
     ("PCBs"), or materials containing PCBs in excess of 50 ppm.

               (v)  During the period of ownership or operation
     by the Company and its subsidiaries of any of their
     respective current or previously owned or leased properties
     (including for purposes of this paragraph any such
     properties acquired in foreclosures or otherwise in
     connection with extensions of credit), to the knowledge of
     the Company, there have been no Releases of Hazardous
     Material in, on, under or affecting such properties or any
     surrounding site, and none of the Company or its
     subsidiaries have disposed of any Hazardous Material or any
     other substance in a manner that has led, or could
     reasonably be anticipated to lead, to a Release, except in
     each case for those which individually or in the aggregate
     would not have a Material Adverse Effect on the Company. 
     Prior to the period of ownership or operation by the Company
     and its subsidiaries of any of their respective current or
     previously owned or leased properties, to the knowledge of
     the Company, no Hazardous Material was generated, treated,
     stored, disposed of, used, handled or manufactured at, or
     transported, shipped or disposed of from, such current or
     previously owned properties, and there were no Releases of
     Hazardous Material in, on, under or affecting any such
     property or any surrounding site, except in each case for
     those which individually or in the aggregate would not have
     a Material Adverse Effect on the Company.

                (vi)  The Company and its subsidiaries are not
     subject to any judgment, decree or order relating to
     compliance with any Environmental Law or to investigation or
     cleanup under any Environmental Law (collectively,
     "Environmental Enforcement Actions"), except with respect to 
     Environmental Enforcement Actions which, individually or in
     the aggregate, would not have a Material Adverse Effect on
     the Company.  Neither the Company nor any of its
     subsidiaries has any contingent liabilities in connection
     with any Hazardous Materials, including claims of liability
     for cleanup of Hazardous Materials related to any of the
     Company, its subsidiaries or any of the Company's former
     subsidiaries that, individually or in the aggregate, would
     have a Material Adverse Effect on the Company.

               (g)  Litigation.  Except as disclosed in the
     Company Filed SEC Documents, there is no suit, action or
     proceeding pending or, to the knowledge of the Company or
     any subsidiary of the Company, threatened, against or 





          <PAGE>39

                                                               16

     affecting the Company or any subsidiary of the Company
     (including any such suit, action or proceeding under the
     Securities Act, the Exchange Act, the Community Reinvestment
     Act of 1977, as amended, or fair lending laws or by any
     stockholder or former stockholder of the Company or any
     subsidiary of the Company) that could reasonably be expected
     to have, individually or in the aggregate, a Material
     Adverse Effect on the Company or that could reasonably be
     expected to threaten, impede or delay the consummation of
     the Merger, nor is there any judgment, decree, injunction,
     rule or order of any Governmental Entity or arbitrator
     outstanding against the Company or any subsidiary of the
     Company having, or which could reasonably be expected to
     have, individually or in the aggregate, a Material Adverse
     Effect on the Company or that could reasonably be expected
     to threaten, impede or delay the consummation of the Merger.

               (h)  Taxes.  (i)  (A)  The Company and its
     subsidiaries have filed, been included in or sent all
     returns, declarations and reports and information returns
     and statements required to be filed or sent (including in
     each case extensions) by or relating to any of them relating
     to any taxes with respect to any income, properties or
     operations of the Company or any such subsidiary prior to
     the Effective Time (collectively, "Company Returns"), (B) as
     of the time of filing, the Company Returns correctly
     reflected in all material respects the facts regarding the
     income, business, assets, operations, activities and status
     of the Company and its subsidiaries and any other
     information required to be shown therein, (C) the Company
     and its subsidiaries have timely paid or made provision for
     all taxes that have been shown as due and payable on the
     Company Returns that have been filed, (D) the Company and
     its subsidiaries have made or will make provision for all
     taxes payable for any periods that end before the Effective
     Time for which no Company Returns have yet been filed and
     for any periods that begin before the Effective Time and end
     after the Effective Time to the extent such taxes are
     attributable to the portion of any such period ending at the
     Effective Time, (E) the charges, accruals and reserves for
     taxes reflected on the books of the Company and its
     subsidiaries are adequate to cover the tax liabilities
     accruing or payable by the Company and its subsidiaries in
     respect of periods prior to the date hereof, (F) neither the
     Company nor any subsidiary is delinquent in the payment of
     any taxes or has requested any extension of time within
     which to file or send any Company Return, which Company
     Return has not since been filed or sent, (G) no deficiency 




          <PAGE>40

                                                               17

     for any taxes has been proposed, asserted or assessed in
     writing against the Company or any of its subsidiaries other
     than those taxes being contested in good faith, (H) the
     Federal income tax returns of the Company or any
     consolidated group to which it belongs have been examined by
     and settled with the United States Internal Revenue Service
     (the "IRS") for all years through December 31, 1987,
     (I) neither the Company nor any subsidiary has granted any
     extension of the limitation period applicable to any tax
     claims (which period has not since lapsed), other than those
     taxes being contested in good faith, and (J) neither the
     Company nor any subsidiary has any contractual obligations
     under any tax sharing agreement with any corporation which,
     as of the Effective Time, is not a member of a consolidated
     group of which all of and only the Company and its
     subsidiaries are members.

               (ii)  Any amount that could be received (whether in
     cash or property or the vesting of property) as a result of
     any of the transactions contemplated by this Agreement by
     any employee, officer or director of the Company or any of
     its affiliates who is a "disqualified individual" (as such
     term is defined in proposed Treasury Regulation
     Section 1.280G-1) under any employment, severance or
     termination agreement, other compensation arrangement or
     Company Benefit Plan currently in effect would not be
     characterized as an "excess parachute payment" (as such term
     is defined in Section 280G(b)(1) of the Code).

                (iii)  The disallowance of a deduction under
     Section 162(m) of the Code for employee remuneration will
     not apply to any amount paid or payable by the Company or
     any subsidiary of the Company under any contract, plan,
     program, arrangement or understanding.

                 (iv)  For the purpose of this Agreement, the term
     "tax" (including, with correlative meaning, the terms
     "taxes" and "taxable") shall include, except where the
     context otherwise requires, all Federal, state, local and
     foreign income, profits, franchise, gross receipts, payroll,
     sales, employment, use, property, withholding, excise,
     occupancy and other taxes, duties or assessments of any
     nature whatsoever (including the Michigan single business
     tax), together with all interest, penalties and additions
     imposed with respect to such amounts.

               (i)  Certain Agreements.  (A)  Except as disclosed
     in the Company Filed SEC Documents, as of the date of this







          <PAGE>41

                                                               18

     Agreement, neither the Company nor any of its subsidiaries
     is a party or subject to, or has amended or waived any
     rights under, any of the following (whether written or oral,
     express or implied):

               (i) any agreement, arrangement or commitment not
          made in the ordinary course of business consistent with
          past practice that is material to the Company on a
          consolidated basis, or any contract, agreement or
          understanding relating to the sale or disposition by
          the Company or any of its subsidiaries of any
          significant assets or businesses of the Company or any
          of its subsidiaries;

              (ii) any material agreement, indenture, credit
          agreement or other instrument relating to the borrowing
          of money by the Company or any of its subsidiaries
          (other than certificates of deposit and customary bank
          funding instruments) or the guarantee by the Company or
          any such subsidiary of any such obligation;

              (iii) any contract containing covenants which limit
          the ability of the Company or any of its subsidiaries
          to compete in any line of business or with any person
          or which involve any restriction of the geographical
          area in which, or method by which, the Company and its
          subsidiaries may carry on their respective businesses
          (other than as may be required by law or applicable
          Regulatory Authorities); or

               (iv) any other contract or agreement that would be
          required to be disclosed as an exhibit to the Company's
          annual report on Form 10-K and which has not been so
          disclosed.

               (B)  Neither the Company nor any of its
     subsidiaries is in default under any material agreement,
     commitment, arrangement, lease, insurance policy or other
     instrument, whether entered into in the ordinary course of
     business or otherwise and whether written or oral, and there
     has not occurred any event that, with the giving of notice
     or the lapse of time or both, would constitute such a
     default, except in all cases where such default would not,
     individually or in the aggregate, have a Material Adverse
     Effect on the Company.

               (j)  Absence of Changes in Benefit Plans.  Except
     as disclosed in the Company Filed SEC Documents, since the 







          <PAGE>42

                                                               19

     date of the most recent audited financial statements
     included in the Company Filed SEC Documents, there has not
     been any adoption or amendment in any material respect by
     the Company or any of its subsidiaries of any bonus,
     pension, profit sharing, deferred compensation, incentive
     compensation, stock ownership, stock purchase, stock option,
     phantom stock, retirement, vacation, severance, disability,
     death benefit, hospitalization, medical or other plan,
     arrangement or understanding (whether or not legally
     binding) providing benefits to any current or former
     employee, officer or director of the Company or any of its
     subsidiaries.  Except as disclosed in the Company Filed SEC
     Documents, there exist no employment, consulting, severance,
     termination or indemnification agreements, arrangements or
     understandings between the Company or any of its
     subsidiaries and any current or former employee, officer or
     director of the Company or any of its subsidiaries.

               (k)  ERISA Compliance.  (i)  The Company
     Disclosure Schedule contains a list and brief description of
     each "employee pension benefit plan" (as defined in
     Section 3(2) of the Employee Retirement Income Security Act
     of 1974, as amended ("ERISA")) (sometimes referred to herein
     as a "Pension Plan"), each "employee welfare benefit plan"
     (as defined in Section 3(1) of ERISA) and each stock option,
     stock purchase, deferred compensation plan or arrangement
     and each other employee fringe benefit plan or arrangement
     maintained, contributed to or required to be maintained or
     contributed to by the Company, any of its subsidiaries or
     any other person or entity that, together with the Company,
     is treated as a single employer under Section 414(b), (c),
     (m) or (o) of the Internal Revenue Code of 1986, as amended
     (the "Code"), (each, a "Commonly Controlled Entity"), for
     the benefit of any current or former employees, officers,
     agents, directors or independent contractors of the Company
     or any of its subsidiaries (collectively, "Company Benefit
     Plans").  The Company has delivered or made available to
     Parent true, complete and correct copies of (A) each Company
     Benefit Plan (or, in the case of any unwritten Company
     Benefit Plans, descriptions thereof), (B) the most recent
     annual report on Form 5500 filed with the IRS with respect
     to each Company Benefit Plan (if any such report was
     required) and (C) the most recent summary plan description
     (or similar document) for each Company Benefit Plan for
     which such summary plan description is required or was
     provided to plan participants or beneficiaries.




          <PAGE>43

                                                               20

                 (ii)  Each Company Benefit Plan has been
     administered in all material respects in accordance with its
     terms.  The Company, its subsidiaries and all the Company
     Benefit Plans are all in compliance in all material respects
     with the applicable provisions of ERISA and the Code.  To
     the best knowledge of the Company, there are no
     investigations, proceedings or other claims involving any
     Company Benefit Plan that could give rise to any material
     liability.

                 (iii)  All Pension Plans intended to be qualified
     under Section 401(a) of the Code have been the subject of
     determination letters from the IRS to the effect that such
     Pension Plans are qualified and exempt from Federal income
     taxes under Sections 401(a) and 501(a), respectively, of the
     Code, and, to the knowledge of the Company, all such letters
     are valid and effective as of the date hereof.

                  (iv)  No Pension Plan, other than any Pension Plan
     that is a "multiemployer plan" (as such term is defined in
     Section 4001(a)(3) of ERISA; collectively, the
     "Multiemployer Pension Plans"), had, as of the respective
     last annual valuation date for each such Pension Plan, an
     "unfunded benefit liability" (as such term is defined in
     Section 4001(a)(18) of ERISA), based on actuarial
     assumptions which have been furnished to Parent and neither
     the Company nor any of its subsidiaries is aware of any
     facts or circumstances that would materially change the
     funded status of any such Company Benefit Plans.  None of
     the Pension Plans has an "accumulated funding deficiency"
     (as such term is defined in Section 302 of ERISA or
     Section 412 of the Code), and there has been no application
     for a waiver of the minimum funding standards imposed by
     Section 412 of the Code with respect to any Company Benefit
     Plan that is a Pension Plan.  No Commonly Controlled Entity
     has incurred any material liability to a Pension Plan (other
     than for contributions not yet due) or to the Pension
     Benefit Guaranty Corporation (other than for premiums not
     yet due).

               (v)  There have been no non-exempt "prohibited
     transactions" (as such term is defined in Section 406 of
     ERISA or Section 4975 of the Code) or any other breach of
     fiduciary responsibility with respect to the Company Benefit
     Plans that could subject the Company, any of its
     subsidiaries or any officer of the Company or any of its
     subsidiaries to tax or penalty under ERISA, the Code or
     other applicable law.  Neither any of such Company Benefit 








          <PAGE>44

                                                               21

     Plans nor any of such trusts has been terminated, nor has
     there been any "reportable event" (as that term is defined
     in Section 4043 of ERISA) with respect thereto, during the
     last five years.

                   (vi)  Neither the Company nor any Commonly
     Controlled Entity (A) maintains or contributes to a
     "multiemployer plan" (as defined in Section 4001(a)(3) of
     ERISA) or has maintained, contributed to or had an
     obligation to maintain or contribute to such a plan within
     the five full plan years of any such plan immediately prior
     to the date hereof, or (B) has incurred any liability to the
     PBGC or a Company Benefit Plan upon the termination of or
     withdrawal from a Company Benefit Plan, which liability
     remains unpaid as of the date hereof.

            (vii)  With respect to any Company Benefit Plan that
     is an employee welfare benefit plan, (A) no such Company
     Benefit Plan is funded through a "welfare benefit fund", as
     such term is defined in Section 419(e) of the Code, (B) each
     such Company Benefit Plan that is a "group health plan", as
     such term is defined in Section 5000(b)(1) of the Code,
     complies in all material respects with the applicable
     requirements of Section 4980B(f) of the Code and (C) each
     such Company Benefit Plan (including any such Plan covering
     retirees or other former employees) may be amended or
     terminated without material liability to the Company or any
     of its subsidiaries on or at any time after the consummation
     of the Merger.

              (viii)  No employee of the Company or any subsidiary
     of the Company will be entitled to any additional benefits
     or any acceleration of the time of payment or vesting of any
     benefits under any Company Benefit Plan as a result of the
     transactions contemplated by this Agreement or by the Stock
     Option Agreement.

               (l)  Subsidiaries.  The Company Disclosure
     Schedule sets forth all the subsidiaries of the Company as
     of the date of this Agreement and indicates for each such
     subsidiary as of such date the jurisdiction of
     incorporation.  Each of the Company's subsidiaries that is a
     bank (as defined in the BHC Act) is an "insured bank" as
     defined in the FDIA and applicable regulations thereunder. 
     Except as provided in Section 55 of the National Bank Act in
     the case of subsidiaries that are national banks, all the
     shares of capital stock of each of the subsidiaries of the
     Company are fully paid and nonassessable and (except for 







          <PAGE>45

                                                               22

     directors' qualifying shares, if any) are owned by the
     Company or another subsidiary of the Company free and clear
     of all Liens.  Except for the capital stock of its
     subsidiaries, the Company does not own, directly or
     indirectly, any capital stock or other ownership interest in
     any corporation, bank, partnership, joint venture or other
     entity.

               (m)  Absence of Certain Changes or Events.  Except
     as disclosed in the Company Filed SEC Documents, since
     December 31, 1993, the Company and its subsidiaries have
     conducted their businesses only in the ordinary course of
     business consistent with past practice and have not incurred
     any material liability, except in the ordinary course of
     their business consistent with their past practices, nor has
     there been any change, or any event involving a prospective
     change, in the business, assets, financial condition or
     results of operations of the Company or any of its
     subsidiaries, which in any such case has had, or is
     reasonably likely to have, a Material Adverse Effect on the
     Company.

               (n)  Article SEVENTH of the Charter; State
     Takeover Statutes.  The Board of Directors of the Company
     has approved the Merger, this Agreement and the Stock Option
     Agreement and/or has taken such other action, and such
     approval and/or action is sufficient, to render inapplicable
     to the Merger, this Agreement, the Stock Option Agreement
     and the transactions contemplated by this Agreement and the
     Stock Option Agreement the provisions of Article SEVENTH of
     the Company's articles of incorporation and the provisions
     of Chapters 7A and 7B of the MBCA.  To the best of the
     Company's knowledge, no other state takeover statute or
     similar statute or regulation applies or purports to apply
     to the Merger, this Agreement, the Stock Option Agreement
     and the transactions contemplated by this Agreement and the
     Stock Option Agreement.

               (o)  Vote Required.  The Company Stockholder
     Approval is the only vote of the holders of any class or
     series of the Company capital stock necessary to approve
     this Agreement and the transactions contemplated hereby
     (assuming for purposes of this representation the accuracy
     of the representations contained in Section 3.02(d)).

               (p)  Rights Agreement.  The Company and the Board
     of Directors of the Company have taken all necessary action
     to (i) render the Rights Agreement inapplicable with respect




          <PAGE>46

                                                               23

     to the Merger and the other transactions contemplated by
     this Agreement and the Stock Option Agreement and
     (ii) ensure that (1) neither Parent nor Sub nor any of their
     affiliates is considered to be an "Acquiring Person" or an
     "Adverse Person" (as such terms are defined in the Rights
     Agreement) and (2) no "Stock Acquisition Date" or
     "Distribution Date" (as such terms are defined in the Rights
     Agreement) occurs by reason of announcement, approval,
     execution or delivery of this Agreement or the Stock Option
     Agreement or the consummation of the transactions
     contemplated hereby and thereby.

               (q)  Properties.  Except as disclosed in the
     Company Filed SEC Documents, the Company and its
     subsidiaries (i) have good, clear and marketable title to
     all the properties and assets which are material to the
     Company's business on a consolidated basis and are reflected
     in the latest audited statement of condition included in the
     Company Filed SEC Documents as being owned by the Company
     and its subsidiaries or acquired after the date thereof
     (except properties sold or otherwise disposed of since the
     date thereof), free and clear of all Liens except
     (A) statutory Liens securing payments not yet due, (B) Liens
     on assets of subsidiaries of the Company incurred in the
     ordinary course of their business and (C) such imperfections
     or irregularities of title or Liens as do not affect the use
     of the properties or assets subject thereto or affected
     thereby or otherwise materially impair business operations
     at such properties, in either case in such a manner as to
     have a Material Adverse Effect on the Company, and (ii) are
     collectively the lessee of all leasehold estates which are
     material to the Company's business on a consolidated basis
     and are reflected in the latest audited financial statements
     included in the Company Filed SEC Documents or acquired
     after the date thereof (except for leases that have expired
     by their terms or as to which the Company has agreed to
     terminate or convey since the date thereof) and is in
     possession of the properties purported to be leased
     thereunder, and each such lease is valid without default
     thereunder by the lessee or, to the Company's knowledge, the
     lessor, other than defaults that would not have a Material
     Adverse Effect on the Company.  Each of the Company and each
     of its subsidiaries enjoys peaceful and undisturbed
     possession under all such leases.  Substantially all the
     Company's and its subsidiaries' owned buildings, structures
     and equipment have been well maintained and are in good and
     serviceable condition, normal wear and tear excepted.




          <PAGE>47

                                                               24

               (r)  Insurance.  The Company and its subsidiaries
     are presently insured, and during each of the last five
     years have been insured, for reasonable amounts against such
     risks as companies engaged in similar businesses would, in
     accordance with good business practice, customarily be
     insured.  The Company Disclosure Schedule sets forth a true
     and complete list and brief description of all insurance
     policies maintained by or for the benefit of the Company,
     its subsidiaries or their directors, officers, employees or
     agents.

               (s)  Labor Matters.  No work stoppage involving
     the Company or any of its subsidiaries is pending or, to the
     best knowledge of the Company or its subsidiaries,
     threatened.  Neither the Company nor any of its subsidiaries
     is involved in, or to the best knowledge of the Company or
     its subsidiaries, threatened with or affected by any labor
     dispute, arbitration, lawsuit or administrative proceeding
     which could reasonably be expected to have, individually or
     in the aggregate, a Material Adverse Effect on the Company. 
     Employees of the Company or of any of its subsidiaries are
     not represented by any labor union or any collective
     bargaining organization and, to the best knowledge of the
     Company or its subsidiaries, no labor union is attempting to
     organize employees of the Company or any of its
     subsidiaries.

               (t)  Material Interests of Certain Persons. 
     Except as disclosed in the Company's Proxy Statement for its
     1994 Annual Meeting of Stockholders, no executive officer or
     director of the Company or any "associate" (as such term is
     defined in Rule 14a-1 under the Exchange Act) of any such
     executive officer or director has any material interest in
     any material contract or property, real or personal,
     tangible or intangible, that is used in or pertains to the
     business of the Company or any of its subsidiaries.

               (u)  Brokers and Finders; Schedule of Fees and
     Expenses.  No broker, investment banker, financial advisor
     or other person, other than Keefe, Bruyette & Woods, Inc.,
     the fees and expenses of which will be paid by the Company,
     is entitled to any broker's, finder's, financial advisor's
     or other similar fee or commission in connection with the
     transactions contemplated by this Agreement based upon
     arrangements made by or on behalf of the Company.  The
     estimated fees and expenses incurred and to be incurred by
     the Company in connection with this Agreement and the Stock
     Option Agreement and the transactions contemplated by this 








          <PAGE>48

                                                               25

     Agreement and the Stock Option Agreement (including the fees
     of the Company's legal counsel) are set forth in the Company
     Disclosure Schedule.

               (v)  Opinion of Financial Advisor.  The Company
     has received the opinion of Keefe, Bruyette & Woods, Inc.,
     dated the date of this Agreement, to the effect that, as of
     such date, the Merger Consideration to be received by the
     Company's stockholders is fair to the Company's stockholders
     from a financial point of view, and a signed copy of such
     opinion has been delivered to Parent.

               (w)  Allowance for Loan Losses.  The allowance for
     loan losses shown on the consolidated statement of condition
     of the Company and its subsidiaries reflected in the
     Company's latest audited financial statements included in
     the Company Filed SEC Documents was, and the allowance for
     loan losses shown on the consolidated statements of
     condition of the Company and its subsidiaries reflected in
     the Company's audited financial statements as of dates
     subsequent to the date hereof will be, in each case as of
     the dates thereof, adequate to provide for losses relating
     to or inherent in the loan and lease portfolios (including
     accrued interest receivables) of the Company and its
     subsidiaries and other extensions of credit (including
     letters of credit and commitments to make loans or extend
     credit) by the Company and its subsidiaries.

               SECTION 3.02.  Representations and Warranties of
     Parent and Sub.  Parent and Sub represent and warrant to the
     Company as follows:

               (a)  Organization and Authority.  Each of Parent
     and Sub is a bank or corporation duly organized, validly
     existing and in good standing under the laws of the
     jurisdiction in which it is incorporated or organized and
     has the requisite power and authority to own, lease and
     operate its properties and to carry on its business as now
     being conducted.  Each of Parent and Sub and each of
     Parent's other subsidiaries is duly qualified and in good
     standing to do business in each jurisdiction in which the
     nature of its business or the ownership or leasing of its
     properties makes such qualification necessary except where
     the failure so to qualify would not have a Material Adverse
     Effect on Parent.  Sub is a direct or indirect wholly owned
     (other than any directors' qualifying shares) subsidiary of
     Parent.








          <PAGE>49

                                                               26

               (b)  Authorization.  (i)  Parent and Sub have all
     requisite corporate power and authority to enter into this
     Agreement and the Stock Option Agreement and to consummate
     the transactions contemplated hereby and thereby.  The
     execution and delivery of this Agreement and the Stock
     Option Agreement and the consummation of the transactions
     contemplated hereby and thereby have been duly authorized by
     all necessary corporate action on the part of Parent and
     Sub.  This Agreement and the Stock Option Agreement have
     been duly executed and delivered by Parent and Sub and each
     constitutes a valid and binding obligation of Parent and
     Sub, enforceable against Parent and Sub in accordance with
     its terms.

                (ii)  The execution and delivery of this Agreement
     and the Stock Option Agreement do not, and the consummation
     of the transactions contemplated hereby and thereby will
     not, and compliance by Parent and Sub with any of the
     provisions hereof or thereof will not, (A) result in any
     Violation pursuant to any provision of the articles of
     incorporation (or similar constitutive document) or by-laws
     of Parent, Sub or any other subsidiary of Parent or
     (B) subject to obtaining or making the consents, approvals,
     orders, authorizations, registrations, declarations and
     filings referred to in paragraph (iii) below, result in any
     Violation of any loan or credit agreement, note, mortgage,
     indenture, lease, benefit plan or other agreement,
     obligation, instrument, permit, concession, franchise,
     license, judgment, order, decree, statute, law, ordinance,
     rule or regulation applicable to Parent, Sub or any other
     subsidiary of Parent or their respective properties or
     assets which Violation under this clause (B) could
     reasonably be expected to have, individually or in the
     aggregate with other such Violations, a Material Adverse
     Effect on Parent.

                (iii)  No consent, approval, order or authorization
     of, or registration, declaration or filing with, any
     Governmental Entity is required by or with respect to
     Parent, Sub or any other subsidiary of Parent in connection
     with the execution and delivery of this Agreement and the
     Stock Option Agreement by Parent and Sub, or the
     consummation by Parent and Sub of the transactions
     contemplated hereby and thereby, the failure to obtain which
     could, individually or in the aggregate, reasonably be
     expected to have a Material Adverse Effect on Parent, except
     for (A) the filing of applications with the Federal Reserve
     under the BHC Act and with the OTS and approval of the same,






          <PAGE>50

                                                               27

     (B) the filing with the SEC of the Proxy Statement and such
     reports under Sections 13(a), 13(d), 13(g) and 16(a) of the
     Exchange Act, as may be required in connection with this
     Agreement, the Stock Option Agreement and the transactions
     contemplated hereby and thereby and the obtaining from the
     SEC of such orders as may be required in connection
     therewith, (C) such filings and approvals as are required to
     be made or obtained under the securities or blue sky laws of
     various states in connection with the transactions
     contemplated by this Agreement, (D) the filing of the
     Certificate of Merger with the Department of Commerce of the
     State of Michigan and appropriate documents with the
     relevant authorities of other states in which Parent is
     qualified to do business, (E) the State Banking Approvals,
     (F) consents, authorizations, approvals, filings or
     exemptions in connection with compliance with the applicable
     provisions of Federal and state securities laws relating to
     the regulation of broker-dealers or investment advisers and
     Federal commodities laws relating to the regulation of
     futures commission merchants and the rules and regulations
     thereunder and of any applicable industry self-regulatory
     organization, and the rules of the New York Stock Exchange
     ("NYSE"), or which are required under consumer finance,
     mortgage banking and other similar laws, (G) notices under
     the HSR Act, (H) notifications to the Australian Stock
     Exchange and advice to the Reserve Bank of Australia and, if
     applicable, to the Bank of England and (I) filings,
     notifications and approvals under state insurance laws and
     regulations.

               (c)  Information Supplied.  None of the
     information supplied or to be supplied by Parent or Sub for
     inclusion or incorporation by reference in the Proxy
     Statement will, at the date of mailing to stockholders and
     at the time of the Company Stockholders Meeting, contain any
     untrue statement of a material fact or omit to state any
     material fact required to be stated therein or necessary in
     order to make the statements therein, in light of the
     circumstances under which they were made, not misleading. 
     The Proxy Statement will comply as to form in all material
     respects with the provisions of the Exchange Act and the
     rules and regulations thereunder, except that no
     representation or warranty is made by Parent or Sub with
     respect to statements made or incorporated by reference
     therein based on information supplied by the Company
     specifically for inclusion or incorporation by reference
     therein.








          <PAGE>51

                                                               28

               (d)  Ownership of Company Common Stock.  Other
     than pursuant to the Stock Option Agreement, as of the date
     hereof, neither Parent nor any of its affiliates (as such
     term is defined under the Exchange Act), (i) beneficially
     owns, directly or indirectly, or (ii) is party to any
     agreement, arrangement or understanding for the purpose of
     acquiring, holding, voting or disposing of, in each case,
     shares of capital stock of the Company, which in the
     aggregate represent 10% or more of the outstanding shares of
     Company Common Stock entitled to vote generally in the
     election of directors (other than Trust Account Shares).

               (e)  Brokers and Finders.  No broker, investment
     banker, financial advisor or other person, other than
     CS First Boston Corporation and Morgan Stanley & Co.
     Incorporated, the fees and expenses of each of which will be
     paid by Parent, is entitled to any broker's, finder's,
     financial advisor's or other similar fee or commission in
     connection with the transactions contemplated by this
     Agreement and the Stock Option Agreement based upon
     arrangements made by or on behalf of Parent or Sub.

               (f)  Financing.  Parent has available funds
     sufficient to consummate the Merger on the terms
     contemplated by this Agreement, and at the Effective Time,
     Parent will have available all the funds necessary to
     perform its obligations under this Agreement, including
     consummating the Merger on the terms contemplated hereby.

               (g)  Litigation.  There is no suit, action or
     proceeding pending or, to the knowledge of Parent,
     threatened against or affecting Parent or any of its
     subsidiaries that individually or in the aggregate could
     reasonably be expected to (i) impair the ability of Parent
     to perform its obligations under this Agreement or
     (ii) threaten, impede or delay the consummation of the
     Merger, nor is there any judgment, decree, injunction, rule
     or order of any Governmental Entity or arbitrator
     outstanding against Parent or any of its subsidiaries
     having, or which is reasonably likely to have, individually
     or in the aggregate, any effect referred to in clause (i) or
     (ii) above.






          <PAGE>52

                                                               29

                              ARTICLE IV

        Covenants Relating to Conduct of the Company's Business

               SECTION 4.01.  Covenants of the Company.  During
     the period from the date of this Agreement until the
     Effective Time, the Company agrees as to itself and its
     subsidiaries that (except as expressly contemplated or
     permitted by this Agreement or the Stock Option Agreement or
     as set forth in the Company Disclosure Schedule):

               (a)  Ordinary Course.  The Company and its
          subsidiaries shall carry on their respective businesses
          in the usual, regular and ordinary course consistent
          with sound banking practices and use their best efforts
          to preserve intact their present business
          organizations, maintain their rights and franchises,
          keep available the services of their current officers
          and employees and preserve their relationships with
          customers, suppliers and others having business
          dealings with them to the end that their goodwill and
          ongoing businesses shall not be impaired in any
          material respect at the Effective Time.  The Company
          shall not, nor shall it permit any of its subsidiaries
          to, (i) enter into any new material line of business;
          (ii) except as required by law, regulation, GAAP or
          regulatory policies or guidelines, change its or its
          subsidiaries' lending, credit, investment, liability
          management and other material banking policies in any
          respect which is material to the Company; or
          (iii) except as required by any applicable regulatory
          authorities, incur or commit to any capital
          expenditures, or any obligations or liabilities in
          connection therewith, other than capital expenditures
          and obligations or liabilities incurred or committed to
          that are approved in accordance with the Company's
          capital expenditure approval policies (as adopted by
          the Company's board of directors pursuant to
          resolutions adopted on January 20, 1993, February 23,
          1994, and May 18, 1994) and that are not (A)
          individually in excess of U.S. $250,000 and (B) in the
          aggregate in excess of the amount identified as capital
          expenditures in the Company's 1995 operating budget as
          in effect on the date hereof, which budget shall not be
          amended without the prior written consent of Parent and
          which amount shall in no event exceed U.S. $10,000,000.








          <PAGE>53

                                                               30

               (b)  Dividends; Changes in Stock.  The Company
          shall not, nor shall it permit any of its subsidiaries
          to, nor shall it propose to, (i) declare, set aside or
          pay any dividends on or make other distributions in
          respect of, directly or indirectly, any of its capital
          stock, except (A) the Company may continue the
          declaration and payment of regular quarterly cash
          dividends not in excess of U.S. $.55 per share of
          Company Common Stock, with usual record and payment
          dates for such dividends in accordance with the
          Company's past dividend practice, and (B) for dividends
          by a direct or indirect wholly owned (other than
          directors' qualifying shares) subsidiary of the
          Company, (ii) adjust, split, combine or reclassify any
          of its capital stock or issue or authorize or propose
          the issuance of any other securities in respect of, in
          lieu of or in substitution for shares of its capital
          stock or (iii) repurchase, redeem or otherwise acquire,
          or permit any subsidiary to purchase or otherwise
          acquire (except for the acquisition of Trust Account
          Shares and the acquisition of shares to be used to
          satisfy obligations under Company Stock Plans), any
          shares of its capital stock or any securities
          convertible into or exchangeable for any shares of its
          capital stock, except that the Company shall redeem the
          Company Debentures and cancel the Equity Contracts in
          accordance with Section 5.11.  

               (c)  Issuance of Securities.  The Company shall
          not, nor shall it permit any of its subsidiaries to,
          issue, deliver or sell, or authorize or propose the
          issuance, delivery or sale of, any shares of its or any
          of its subsidiaries' capital stock of any class, any
          Voting Debt or any securities convertible into or
          exchangeable for, or any rights, warrants or options to
          acquire, any such shares or Voting Debt, or enter into
          any agreement with respect to any of the foregoing,
          other than (i) the issuance of Company Common Stock
          pursuant to the terms of the Equity Contracts and the
          Company Debentures or upon the exercise of Company
          Stock Options referred to in this Agreement that are
          outstanding on the date of this Agreement in accordance
          with their present terms or pursuant to the Stock
          Option Agreement, (ii) issuances by a direct or
          indirect wholly owned (other than directors' qualifying
          shares) subsidiary of its capital stock to its parent
          and (iii) issuance of Company Series B Preferred upon
          exercise of the Rights in accordance with their present






          <PAGE>54

                                                               31

          terms and reservation for issuance of shares of Company
          Series B Preferred in addition to those presently
          reserved for issuance.

               (d)  Governing Documents.  The Company shall not
          amend or propose to amend, nor shall it permit any of
          its subsidiaries to amend, the articles of
          incorporation (or similar constitutive documents) or
          by-laws of the Company or any of its subsidiaries nor
          shall the Company amend the Rights Agreement other than
          in accordance with Sections 3.01(p) and 5.10.

               (e)  No Acquisitions.  The Company shall not, nor
          shall it permit any of its subsidiaries to, acquire or
          agree to acquire by merging or consolidating with, or
          by purchasing a substantial equity interest in or a
          substantial portion of the assets of, or by any other
          manner, any business or any corporation, partnership,
          association or other business organization or division
          thereof or otherwise acquire or agree to acquire any
          assets, in each case which are material, individually
          or in the aggregate, to the Company and its
          subsidiaries taken as a whole.  Without limiting the
          generality of the foregoing, the Company shall not, nor
          shall it permit any of its subsidiaries to, make any
          investment either by purchase or stock or securities,
          contributions to capital, property transfers or
          purchase of any property or assets of any other
          individual, corporation or other entity other than a
          wholly owned subsidiary thereof, except for
          transactions in the ordinary course of business
          consistent with sound banking practice.

               (f)  No Dispositions.  Other than (i) activities
          in the ordinary course of business consistent with
          sound banking practice or (ii) as set forth on the
          Company Disclosure Schedule, the Company shall not, nor
          shall it permit any of its subsidiaries to, sell,
          lease, mortgage, encumber or otherwise dispose of, any
          of its assets (including capital stock of
          subsidiaries), which are material, individually or in
          the aggregate, to the Company and its subsidiaries
          taken as a whole.

               (g)  Indebtedness.  The Company shall not, nor
          shall it permit any of its subsidiaries to, incur any
          indebtedness for borrowed money or guarantee any such
          indebtedness or issue or sell any debt securities or 






          <PAGE>55

                                                               32

          warrants or rights to acquire any debt securities of
          the Company or any of its subsidiaries or guarantee any
          debt securities of others, other than (i) short-term
          indebtedness incurred to refinance existing short-term
          indebtedness, (ii) indebtedness of any subsidiary of
          the Company to the Company or another subsidiary of the
          Company or (iii) in the case of bank subsidiaries,
          indebtedness incurred in the ordinary course of
          business consistent with sound banking practice.

               (h)  Other Actions.  The Company shall not, nor
          shall it permit any of its subsidiaries to, take any
          action that would, or reasonably could be expected to,
          result in any of its representations and warranties set
          forth in this Agreement that are qualified as to
          materiality being or becoming untrue, any of such
          representations and warranties that are not so
          qualified being or becoming untrue in any material
          respect, any of the conditions to the Merger set forth
          in Article VI not being satisfied or a material
          Violation of any provision of the Stock Option
          Agreement, or (unless such action is required by
          applicable law or sound banking practice) which could
          reasonably be expected to adversely affect or delay the
          ability of any of Parent, Sub or the Company or their
          subsidiaries to obtain any of the Requisite Regulatory
          Approvals (as defined in Section 6.01(b)) without
          imposition of a condition or restriction of the type
          referred to in Section 6.02(c).

               (i)  Advice of Changes; Government Filings.  The
          Company shall confer on a regular and frequent basis
          with Parent, report on operational matters and promptly
          advise Parent orally and in writing of any change or
          event having, or which, insofar as can reasonably be
          foreseen, could have, individually or in the aggregate
          a Material Adverse Effect on the Company or which would
          cause or constitute a material breach of any of the
          representations, warranties or covenants of the Company
          contained herein.  The Company shall file all reports
          required to be filed by it with the SEC or Nasdaq
          between the date of this Agreement and the Effective
          Time and shall deliver to Parent copies of all such
          reports promptly after the same are filed.  The Company
          and each subsidiary of the Company that is a bank shall
          file all Call Reports with the appropriate Regulatory
          Authorities and all other reports, applications and
          other documents required to be filed with the Federal 





          <PAGE>56

                                                               33

          Reserve and the other Regulatory Authorities between
          the date hereof and the Effective Time and shall make
          available to Parent copies of all such reports promptly
          after the same are filed.  Except where prohibited by
          applicable statutes and regulations, the Company shall
          promptly provide Parent (or its counsel) with copies of
          all other filings made by the Company with any state or
          Federal Governmental Entity in connection with this
          Agreement, the Stock Option Agreement or the
          transactions contemplated hereby or thereby.

               (j)  Accounting Methods.  Except as contemplated
          by Section 5.09, the Company shall not change its
          fiscal year or its methods of accounting in effect at
          January 1, 1994, except as required by changes in GAAP
          or regulatory accounting practices as concurred in by
          the Company's independent auditors.

               (k)  Compensation; Benefit Plans.  Neither the
          Company nor any of its subsidiaries will (i) enter
          into, adopt, amend or terminate any Company Benefit
          Plan or any other employee benefit plan or any
          agreement, arrangement, plan or policy between such
          party and one or more of its directors or officers, in
          each case so as to increase benefits thereunder,
          (ii) increase in any manner the compensation or fringe
          benefits of any of its directors, officers or employees
          or provide any other benefit not required by any plan
          and arrangement as in effect as of the date hereof
          (including the granting of stock options, stock appre-
          ciation rights, restricted stock, restricted stock
          units or performance units or shares), except for nor-
          mal salary compensation increases, benefit changes or
          cash bonus payments in the ordinary course of business
          consistent with past practice, and, in the case of
          those executive officers referred to in Section 4.01(k)
          of the Company Disclosure Schedule, as set forth
          therein, (iii) create or amend any Company Stock Plan
          or grant any equity based award pursuant to any Company
          Stock Plan or otherwise or (iv) enter into or renew any









          <PAGE>57

                                                               34

          contract, agreement, commitment or arrangement
          providing for the payment to any director, officer or
          employee of such party of compensation or benefits
          contingent, or the terms of which are materially
          altered, upon the occurrence of any of the transactions
          contemplated by this Agreement or the Stock Option
          Agreement; provided, however, that the Company shall,
          at the request of Parent, use its reasonable efforts to
          enter into employment agreements, in form and substance
          satisfactory to Parent, with those executive officers
          of the Company designated by Parent, which employment
          agreements shall be effective on and after (and subject
          to the occurrence of) the Effective Time and shall be
          assumed by the Surviving Corporation.

               (l)  Tax Matters.  From the date hereof until the
          Effective Time, (i) the Company and its subsidiaries
          will file all Company Returns required to be filed with
          any taxing authority in accordance with all applicable
          laws, (ii) the Company and its subsidiaries will timely
          pay all taxes shown as due and payable on the
          respective Company Returns that are so filed and as of
          the time of filing, the Company Returns will correctly
          reflect the facts regarding the income, business,
          assets, operations, activities and the status of the
          Company and its subsidiaries in all material respects,
          and (iii) the Company and its subsidiaries will
          promptly notify Parent of any action, suit, proceeding,
          investigation, audit or claim pending against or with
          respect to the Company or any subsidiary in respect of
          any tax where there is a reasonable possibility of a
          determination or decision which would reasonably be
          expected to have a significant adverse effect on the
          Company's tax liabilities or other tax attributes.  The
          Company shall not, nor shall it permit any of its
          subsidiaries to, make any tax election or settle or
          compromise any income tax liability.

               (m)  Settlements, etc.  The Company shall not, nor
          shall it permit any of its subsidiaries to, pay,
          discharge, settle or satisfy any claims, liabilities or
          obligations (absolute, accrued, asserted or unasserted,
          contingent or otherwise), other than the payment,
          discharge, settlement or satisfaction, in the ordinary
          course of business consistent with sound banking
          practice or in accordance with their terms, of
          liabilities reflected or reserved against in, or
          contemplated by, the most recent consolidated financial







          <PAGE>58

                                                               35

          statements (or the notes thereto) of the Company
          included in the Company Filed SEC Documents or incurred
          since the date of such financial statements in the
          ordinary course of business consistent with sound
          banking practice.

               (n)  Material Contracts.  Except in the ordinary
          course of business consistent with sound banking
          practice, the Company shall not, nor shall it permit
          any of its subsidiaries to, modify, amend or terminate
          any material contract, lease or agreement to which the
          Company or any subsidiary is a party or waive, release
          or assign any material rights or claims thereunder.
          Without limiting the generality of the foregoing,
          without the prior written consent of Parent, the
          Company shall not waive any standstill provision
          contained in any confidentiality agreement in existence
          as of the date hereof between the Company and any other
          person.  Without the prior written consent of Parent
          (which shall not be unreasonably withheld), the Company
          shall not, nor shall it permit any of its subsidiaries
          to, enter into any contract, agreement or arrangement
          which, if entered into prior to the date hereof, would
          have been covered by clause (i), (ii), (iii) or (iv) of
          Section 3.01(i)(A).

               (o)  General.  The Company shall not, nor shall it
          permit any of its subsidiaries to, authorize any of, or
          commit or agree to take any of, the foregoing actions
          described in this Section 4.01.

               SECTION 4.02.  No Solicitation.  (a)  The Company
     shall not, nor shall it permit any of its subsidiaries to,
     nor shall it authorize or permit any officer, director or
     employee of or any investment banker, attorney or other
     advisor or representative of, the Company or any of its
     subsidiaries to, (i) solicit, initiate or encourage the
     submission of any takeover proposal or (ii) participate in
     any discussions or negotiations regarding, or furnish to any
     person any information with respect to, or take any other
     action to facilitate any inquiries or the making of any
     proposal that constitutes, or may reasonably be expected to
     lead to, any takeover proposal; provided, however, that
     prior to receipt of the Company Stockholder Approval, to the
     extent required by the fiduciary obligations of the Board of
     Directors of the Company, as determined in good faith by the
     Board of Directors based on the advice of independent
     counsel, the Company may, (A) in response to an unsolicited 



          <PAGE>59

                                                               36

     takeover proposal and subject to compliance with
     Section 4.02(c), furnish information with respect to the
     Company and its subsidiaries to any person pursuant to a
     customary confidentiality agreement (as determined by the
     Company's independent counsel) and discuss such information
     (but not the terms of any possible takeover proposal) with
     such person and (B) upon receipt by the Company of an
     unsolicited takeover proposal and subject to compliance with
     Section 4.02(c), participate in negotiations regarding such
     takeover proposal.  Without limiting the foregoing, it is
     understood that any violation of the restrictions set forth
     in the preceding sentence by any executive officer of the
     Company or any of its subsidiaries or any investment banker,
     attorney or other advisor or representative of the Company
     or any of its subsidiaries, whether or not such person is
     purporting to act on behalf of the Company or any of its
     subsidiaries or otherwise, shall be deemed to be a breach of
     this Section 4.02(a) by the Company.  For purposes of this
     Agreement, "takeover proposal" means any inquiry, proposal
     or offer from any person relating to any direct or indirect
     acquisition or purchase of a substantial amount of the
     assets of the Company or any of its subsidiaries, other than
     the transactions contemplated by this Agreement and the
     Stock Option Agreement, or of 20% or more of any class of
     equity securities of the Company or any of its subsidiaries
     or any tender offer or exchange offer that if consummated
     would result in any person beneficially owning 20% or more
     of any class of equity securities of the Company or any of
     its subsidiaries, or any merger, consolidation, business
     combination, sale of substantially all assets,
     recapitalization, liquidation, dissolution or similar
     transaction involving the Company or any of its subsidiaries
     other than the transactions contemplated by this Agreement
     and the Stock Option Agreement.

               (b)  Except as set forth herein, neither the Board
     of Directors of the Company nor any committee thereof shall
     (i) withdraw or modify, or propose to withdraw or modify, in
     a manner adverse to Parent or Sub, the approval or
     recommendation by such Board of Directors or any such
     committee of this Agreement or the Merger, (ii) approve or
     recommend, or propose to approve or recommend, any takeover
     proposal or (iii) enter into any agreement with respect to
     any takeover proposal.  Notwithstanding the foregoing, prior
     to the receipt of the Company Stockholder Approval, the
     Board of Directors of the Company, to the extent required by
     its fiduciary obligations, as determined in good faith by
     the Board of Directors based on the advice of independent 

         <PAGE>60
                                                              37

     counsel, may (subject to the following sentences) withdraw
     or modify its approval or recommendation of this Agreement
     or the Merger, approve or recommend any superior proposal
     (as defined below), enter into an agreement with respect to
     such superior proposal or terminate this Agreement, in each
     case at any time after the second business day following
     Parent's receipt of written notice advising Parent that the
     Board of Directors has received a superior proposal,
     specifying the material terms and conditions of such
     superior proposal and identifying the person making such
     superior proposal (it being understood that any amendment to
     a superior proposal shall necessitate an additional two
     business day period).  In addition, if the Company proposes
     to enter into an agreement with respect to any takeover
     proposal, it shall concurrently with entering into such
     agreement pay, or cause to be paid, to Parent the Expenses
     and the Termination Fee (each as defined in Section 5.07(b))
     in accordance with the provisions of Section 5.07(b).  For
     purposes of this Agreement, "superior proposal" means any
     bona fide takeover proposal made by a third party to
     acquire, directly or indirectly, for consideration
     consisting of cash and/or securities, more than 50% of the
     shares of Company Common Stock then outstanding or all or
     substantially all the assets of the Company and otherwise on
     terms which the Board of Directors of the Company determines
     in its good faith judgment (based on the advice of a
     financial advisor of nationally recognized reputation) to be
     more favorable to the Company's stockholders than the Merger
     and for which financing, to the extent required, is then
     committed or which, in the good faith judgment of such Board
     of Directors, is reasonably capable of being financed by
     such third party.

               (c)  In addition to the obligations of the Company
     set forth in paragraph (b) above, the Company promptly shall
     advise Parent orally and in writing of any request for
     information or of any takeover proposal, or any inquiry with
     respect to or which could lead to any takeover proposal, the
     material terms and conditions of such request, takeover
     proposal or inquiry and the identity of the person making
     any such request, takeover proposal or inquiry.  The Company
     will keep Parent fully informed of the status and details
     (including amendments or proposed amendments) of any such
     request, takeover proposal or inquiry.

               (d)  Nothing contained in this Section 4.02 shall
     prohibit the Company from taking and disclosing to its
     stockholders a position contemplated by Rule 14e-2(a)






          <PAGE>61

                                                               38

     promulgated under the Exchange Act or from making any
     disclosure to the Company's stockholders if, in the good
     faith judgment of the Board of Directors of the Company
     based on the recommendation of independent counsel, failure
     to do so would be inconsistent with applicable laws;
     provided that the Company does not, except as permitted by
     Section 4.02(b), withdraw or modify, or propose to withdraw
     or modify, its position with respect to the Merger or
     approve or recommend, or propose to approve or recommend, a
     takeover proposal.


                               ARTICLE V
                         Additional Agreements

               SECTION 5.01.  Preparation of the Proxy Statement. 
     The Company will, as soon as practicable following the date
     of this Agreement, prepare and file a preliminary Proxy
     Statement with the SEC and will use all reasonable efforts
     to respond to any comments of the SEC or its staff and to
     cause the Proxy Statement to be mailed to the Company's
     stockholders as promptly as practicable after responding to
     all such comments to the satisfaction of the SEC or its
     staff.  The Company will notify Parent promptly of the
     receipt of any comments from the SEC or its staff and of any
     request by the SEC or its staff for amendments or
     supplements to the Proxy Statement or for additional
     information and will supply Parent with copies of all
     correspondence between the Company or any of its
     representatives, on the one hand, and the SEC or its staff,
     on the other hand, with respect to the Proxy Statement or
     the Merger.  If at any time prior to the Company
     Stockholders Meeting there shall occur any event that should
     be set forth in an amendment or supplement to the Proxy
     Statement, the Company will promptly prepare and mail to its
     stockholders such an amendment or supplement.  The Company
     will not mail any Proxy Statement, or any amendment or
     supplement thereto, to which Parent reasonably objects.

               SECTION 5.02.  Access to Information.  The Company
     shall, and shall cause each of its subsidiaries to, afford
     to Parent and to the officers, employees, accountants,
     counsel and other representatives of Parent, reasonable
     access, during normal business hours during the period prior
     to the Effective Time, to all their respective properties,
     books, contracts, commitments, personnel and records and,
     during such period, the Company shall, and shall cause each 









          <PAGE>62

                                                               39

     of its subsidiaries to, furnish promptly to Parent (a) a
     copy of each report, schedule, registration statement and
     other document filed or received by it during such period
     pursuant to the requirements of Federal or state securities
     laws or Federal or state banking laws (other than reports or
     documents which the Company or subsidiary is not permitted
     to disclose under applicable law) and (b) all other
     information concerning its business, properties and
     personnel as Parent may reasonably request.  Parent will,
     and will cause its advisors and representatives to, hold any
     such information which is nonpublic in confidence to the
     extent required by, and in accordance with, the terms of the
     Confidentiality Agreement dated as of January 11, 1995,
     between the Company and Parent (the "Confidentiality
     Agreement").  No investigation by either Parent or Sub shall
     affect the representations and warranties of the Company,
     and each such representation and warranty shall survive such
     investigation.  During the period from the date of this
     Agreement to the Effective Time, the Company shall promptly
     furnish to Parent copies of all monthly and quarterly
     interim financial statements (including any budgets and
     variances from budgets) as the same become available and
     shall cause one or more of its designated representatives to
     confer on a regular and frequent basis with Parent.  The
     Company shall promptly notify Parent of any material change
     in its business or operations and of any complaints,
     investigations or hearings (or communications indicating
     that the same may be contemplated) by any Governmental
     Entity, or the institution of the threat of material
     litigation involving the Company or its subsidiaries, and
     shall keep Parent fully informed of all such events.

               SECTION 5.03.  Company Stockholders Meeting.  The
     Company shall duly call, give notice of, convene and hold
     the Company Stockholders Meeting for the purpose of
     obtaining the Company Stockholder Approval as soon as
     practicable after the date on which the definitive Proxy
     Statement has been mailed to the Company's stockholders. 
     Subject to Section 4.02, the Company will, through its Board
     of Directors, recommend to its stockholders that they grant
     the Company Stockholder Approval.  Without limiting the
     generality of the foregoing, the Company agrees that,
     subject to its right to terminate this Agreement pursuant to
     Section 7.01(d), its obligations pursuant to the first
     sentence of this Section 5.03 shall not be affected by
     (a) the commencement, public proposal, public disclosure or
     communication to the Company of any takeover proposal or
     (b) the withdrawal or modification by the Board of Directors








          <PAGE>63

                                                               40

     of the Company of its approval or recommendation of this
     Agreement or the Merger in accordance with Section 4.02(b).

               SECTION 5.04.  Legal Conditions to Merger. 
     Subject to the terms and conditions of this Agreement, each
     of the Company and Parent shall, and shall cause its
     subsidiaries to, use all reasonable efforts to take, or
     cause to be taken, all actions, and to do, or cause to be
     done, and to assist and cooperate with the other parties in
     doing, all things necessary, proper or advisable to
     consummate and make effective, in the most expeditious
     manner practicable, the Merger and the other transactions
     contemplated by this Agreement, including (a) the obtaining
     of any necessary consent, authorization, order or approval
     of, or any exemption by, any Governmental Entity and/or any
     other public or private third party which is required to be
     obtained by such party or any of its subsidiaries in
     connection with the Merger and the other transactions
     contemplated by this Agreement and the Stock Option
     Agreement (including the redemption of the Company
     Debentures and the cancellation of the Equity Contracts in
     accordance with Section 5.11), and the making or obtaining
     of all necessary filings and registrations with respect
     thereto, (b) the defending of any lawsuits or other legal
     proceedings, whether judicial, administrative or regulatory,
     challenging this Agreement or the Stock Option Agreement,
     including seeking to have any stay or temporary restraining
     order entered by any court or other Governmental Entity
     vacated or reversed, and (c) the execution and delivery of
     any additional instruments necessary to consummate the
     transactions contemplated by, and to fully carry out the
     purposes of, this Agreement and the Stock Option Agreement;
     provided, however, that a party shall not be obligated to
     take any action pursuant to the foregoing if the taking of
     such action or such compliance or the obtaining of such
     consent, authorization, order, approval or exemption would,
     in such party's reasonable opinion, (A) be materially
     burdensome to such party and its subsidiaries taken as a
     whole in the context of the transactions contemplated by
     this Agreement or impact in such a materially adverse manner
     the economic or business benefits of the transactions
     contemplated by this Agreement as to render inadvisable the
     consummation of the Merger or (B) result in the imposition
     of a condition or restriction on such party or on the
     Surviving Corporation of the type referred to in
     Section 6.02(c).  Each of the Company and Parent will
     promptly cooperate with and furnish information to the other
     in connection with any such burden suffered by, or 






          <PAGE>64

                                                               41

     requirement imposed upon, any of them or any of their
     subsidiaries in connection with the foregoing.  In
     connection with and without limiting the foregoing, the
     Company and its Board of Directors shall (x) take all action
     necessary to ensure that neither Article SEVENTH of the
     Company's articles of incorporation nor any state takeover
     statute or similar statute or regulation (including
     Chapters 7A and 7B of the MBCA) is or becomes applicable to
     the Merger, this Agreement, the Stock Option Agreement or
     any of the other transactions contemplated by this Agreement
     or the Stock Option Agreement and (y) if Article SEVENTH or
     any state takeover statute or similar statute or regulation
     becomes applicable to the Merger, this Agreement, the Stock
     Option Agreement or any of the other transactions
     contemplated by this Agreement or the Stock Option
     Agreement, take all action necessary to ensure that the
     Merger and the other transactions contemplated by this
     Agreement and the Stock Option Agreement may be consummated
     as promptly as practicable on the terms contemplated by this
     Agreement and otherwise to minimize the effect of such
     Article, statute or regulation on the Merger, this
     Agreement, the Stock Option Agreement or any of the other
     transactions contemplated by this Agreement or the Stock
     Option Agreement.  Notwithstanding the foregoing, the Board
     of Directors of the Company shall not be prohibited from
     taking any action permitted by the terms of this Agreement.

               SECTION 5.05.  Employee Benefit Plans. 
     (a)  Except as provided in Section 5.06, Parent shall cause
     the Surviving Corporation and its subsidiaries to maintain
     for a period of at least one year after the Effective Time
     the Company Benefit Plans in effect on the date of this
     Agreement or to provide, pursuant to benefit plans of the
     Surviving Corporation or of Parent, benefits to employees of
     the Surviving Company and its subsidiaries that are at least
     generally comparable in the aggregate to those benefits
     provided under the Company Benefit Plans in effect on the
     date of this Agreement.

               (b)  Parent shall cause the Surviving Corporation
     to honor in accordance with their terms the employment,
     severance and supplemental pension contracts to which
     employees of the Company are a party that are set forth on
     the Company Disclosure Schedule, and honor all provisions
     for vested benefits and other vested amounts earned or
     accrued through the Effective Time under the Company Benefit
     Plans.




     <PAGE>65

                                                               42

               SECTION 5.06.  Stock Options and the ESOP. 
     (a)  As soon as practicable following the date of this
     Agreement, the Board of Directors of the Company (or, if
     appropriate, any committee administering the Company Stock
     Plans) shall adopt such resolutions or take such other
     actions as are required to provide for the cancellation of
     all outstanding employee stock options to purchase shares of
     Company Common Stock ("Company Stock Options") heretofore
     granted under the Company Stock Plans to provide that each
     Company Stock Option, whether vested or not, outstanding
     immediately prior to the Effective Time, in exchange for a
     cash payment by the Company of an amount equal to (i) the
     excess, if any, of (x) the Merger Consideration per share
     over (y) the exercise price per share of Company Common
     Stock subject to such Company Stock Option, multiplied by
     (ii) the number of shares of Company Common Stock subject to
     such Company Stock Options for which such Company Stock
     Option shall not theretofore have been exercised.  The
     Company shall use its best efforts to obtain all consents of
     the holders of the Company Stock Options as shall be
     necessary to effectuate the foregoing.  Notwithstanding
     anything to the contrary contained in this Agreement,
     payment shall, at Parent's request, be withheld in respect
     of any Company Stock Option until all necessary consents
     with respect to such Company Stock Options are obtained.

               (b)  All amounts payable pursuant to this
     Section 5.06 shall be subject to any required withholding of
     taxes and shall be paid without interest.

               (c)  The Board of Directors of the Company (or, if
     appropriate, any committee administering the Company Stock
     Plans) shall adopt such resolutions or take such actions as
     are required to terminate the Company Stock Plans other than
     the ESOP as of the Effective Time, to delete as of the
     Effective Time the provision in any other Company Benefit
     Plan providing for the issuance, transfer or grant of any
     capital stock of the Company or any interest in respect of
     any capital stock of the Company and to ensure that
     following the Effective Time no holder of a Company Stock
     Option or any participant in any Company Stock Plan or other
     Company Benefit Plan shall have any right thereunder to
     acquire any capital stock of the Company or the Surviving
     Corporation.

               (d)  If Parent so requests, the Board of Directors
     of the Company (or, if appropriate, any committee
     administering the ESOP) shall give due consideration to any









          <PAGE>66

                                                               43

     request by Parent to cause the ESOP to continue following
     the Effective Time, and shall give due consideration to any
     request by Parent to take, in accordance with the terms of
     the ESOP and pursuant to the Michigan National Corporation
     Employee Stock Ownership Trust Agreement (the "Trust
     Agreement"), such actions as are necessary (including
     amendment of the ESOP and the Trust Agreement) to cause the
     trustee thereunder to reinvest the Merger Consideration in
     common stock of the Parent (or any equivalent equity
     security) designated by Parent that constitutes, if any, a
     "qualifying employer security" (as defined in Section
     4975(e)(8) and Section 409(l) of the Code).

               SECTION 5.07.  Fees and Expenses.  (a)  Whether or
     not the Merger is consummated, all costs and expenses
     incurred in connection with this Agreement, the Stock Option
     Agreement and the transactions contemplated hereby and
     thereby shall be paid by the party incurring such expense,
     except (i) as otherwise provided below in this Section
     5.07 and (ii) that filing fees and expenses incurred in
     connection with the filing, printing and mailing of the
     Proxy Statement shall be shared equally by Parent and the
     Company.

               (b)  If this Agreement is terminated pursuant to
     its terms, other than by Parent or the Company pursuant to
     Section 7.01(b)(i) or (iii) or by the Company pursuant to
     Section 7.01(b)(ii), and an Acquisition Event shall occur
     after the date hereof and prior to the date that is 18
     months after the date of such termination, the Company shall
     upon demand by Parent, pay or cause to be paid, in same day
     funds to Parent the sum of (i) all of Parent's Expenses (as
     defined below) in an amount up to but not exceeding U.S.
     $10,000,000 and (ii) U.S. $50,000,000 (the "Termination
     Fee").  "Acquisition Event" shall mean any of the
     following: (i) any person or group (as defined in
     Section 13(d)(3) of the Exchange Act), other than Parent or
     any of its subsidiaries, shall have acquired, pursuant to a
     tender offer, exchange offer or otherwise, beneficial
     ownership (including pursuant to the acquisition of options)
     of 20% or more of any class of equity securities of the
     Company or any of its subsidiaries; (ii) any such person or
     group shall have received approval from the Federal Reserve
     to acquire ownership of 20% or more of any class of equity
     securities of the Company or MNB; or (iii) the Company or
     MNB shall have authorized, recommended, proposed or publicly
     announced an intention to authorize, recommend or propose,
     shall have amended the Rights Agreement to facilitate, or 
     shall have entered into, an agreement with any person 
     (other than Parent or a subsidiary







          <PAGE>67

                                                               44

     thereof) to (w) effect a merger, consolidation, business
     combination, sale of substantially all assets, or similar
     transaction involving the Company or MNB, (x) sell, lease or
     otherwise dispose of assets of the Company or its
     subsidiaries representing 15% or more of the consolidated
     assets of the Company and its subsidiaries, (y) issue, sell
     or otherwise dispose of (including by way of merger,
     consolidation, share exchange, or any similar transaction)
     securities representing 20% or more of any class of equity
     securities of the Company or any of its subsidiaries or
     (z) have such person effect a tender offer or exchange offer
     that if consummated would result in any person beneficially
     owning 20% or more of any class of equity securities of the
     Company or any of its subdiairies.  "Expenses" shall mean
     all out-of-pocket fees and expenses incurred or paid by or
     on behalf of Parent or any of its affiliates in connection
     with the Merger or the consummation of any of the other
     transactions contemplated by this Agreement or the Stock
     Option Agreement, including all fees and expenses of
     counsel, commercial banks, investment banking firms,
     accountants, experts and consultants to Parent or any of its
     affiliates.  The amount of Expenses so payable shall be the
     amount set forth in an estimate delivered by Parent, subject
     to upward or downward adjustment upon delivery of reasonable
     documentation therefor.

               (c)  Notwithstanding anything to the contrary
     contained herein, the aggregate amount of gain realized by
     Grantee pursuant to the Stock Option Agreement from the
     Company (or the Substitute Option Issuer (as defined in the
     Stock Option Agreement)), when added to the Termination Fee,
     if any, received by Parent pursuant to Section 5.07(b),
     shall not in the aggregate exceed U.S. $75,000,000, and, in
     the event Parent realizes gain in excess of such amount
     under the Stock Option Agreement from the Company (or the
     Substitute Option Issuer) or under the Termination Fee,
     Parent hereby undertakes promptly to pay back to the
     Company, by wire transfer of immediately available funds,
     the amount of such excess.

               SECTION 5.08.  Indemnification, Exculpation and
     Insurance.  (a)  Parent and Sub agree that, for a period of
     six years (or the period of the applicable statute of
     limitations, if longer) from the Effective Time, all rights
     to indemnification and exculpation from liability for acts
     or omissions occurring prior to the Effective Time now
     existing in favor of the current or former directors or
     officers of the Company and its subsidiaries (such persons, 







          <PAGE>68

                                                               45

     "Indemnified Persons") as provided in their respective
     articles of incorporation (or similar constitutive docu-
     ments) or by-laws shall survive the Merger and shall not be
     amended, repealed or otherwise modified in any manner that
     would adversely affect the rights thereunder of any such
     Indemnified Persons.  Parent will cause to be maintained for
     a period of six years from the Effective Time the Company's
     current directors' and officers' insurance and indemnifica-
     tion policy (a copy of which has heretofore been delivered
     to Parent) to the extent that it provides coverage for
     events occurring prior to the Effective Time (the "D&O
     Insurance") for all persons who are directors and officers
     of the Company on the date of this Agreement, so long as the
     annual premium therefor would not be in excess of (i) until
     the third anniversary of the Effective Time, 200%, and (ii)
     thereafter, 100%,  of the last annual premium paid prior to
     the date of this Agreement (in the case of either clause (i)
     or (ii) above, the "Maximum Premium"); provided, however,
     that Parent may, in lieu of maintaining such existing D&O
     Insurance as provided above, cause comparable coverage to be
     provided under any policy maintained for the benefit of
     Parent or any of its subsidiaries, so long as the material
     terms thereof are no less advantageous than the existing D&O
     Insurance.  If the existing D&O Insurance expires, is termi-
     nated or cancelled during such three-year period, Parent
     will use all reasonable efforts to cause to be obtained as
     much D&O Insurance as can be obtained for the remainder of
     such period for an annualized premium not in excess of the
     Maximum Premium, on terms and conditions no less advanta-
     geous than the existing D&O Insurance.  The Company repre-
     sents to Parent that the Maximum Premium is U.S. $1,230,000
     for the first three years and U.S. $615,000 thereafter.

               (b)  The provisions of this Section 5.08 are
     intended to be for the benefit of, and shall be enforceable
     by, each Indemnified Party and each Indemnified Party's
     heirs and representatives.

               SECTION 5.09.  Company Accruals and Reserves. 
     Prior to the Closing Date, at the request of Parent, the
     Company shall review and, to the extent mutually determined
     to be necessary or advisable, consistent with GAAP and the
     accounting rules, regulations and interpretations of the SEC
     and its staff, modify and change its loan, accrual and
     reserve policies and practices (including loan
     classifications and levels of reserves and accruals to
     (a) reflect the Surviving Corporation's plans with respect
     to the conduct of the Company's business following the









          <PAGE>69

                                                               46

     Merger and (b) make adequate provision for the costs and
     expenses relating thereto) so as to be applied consistently
     on a basis that is mutually satisfactory to each of the
     Company and Parent.  Notwithstanding the foregoing, the
     Company shall not be obligated to take in any respect any
     such action pursuant to this Section 5.09 unless and until
     Parent acknowledges that all conditions to its obligation to
     consummate the Merger have been satisfied.

               SECTION 5.10.  Rights Agreement.  The Board of
     Directors of the Company shall take all further action (in
     addition to that referred to in Section 3.01(p)) requested
     in writing by Parent in order to render the Rights
     inapplicable to the Merger, the Stock Option Agreement and
     the other transactions contemplated by this Agreement and
     the Stock Option Agreement.  Except as requested in writing
     by Parent, during the term of this Agreement, the Board of
     Directors of the Company shall not (i) amend the Rights
     Agreement or (ii) take any action with respect to, or make
     any determination under, the Rights Agreement, including a
     redemption of the Rights or any action to facilitate a
     takeover proposal; provided that any of such actions may be
     taken simultaneously with entering into an agreement in
     respect of such takeover proposal pursuant to
     Section 4.02(b).

               SECTION 5.11.  Company Debentures.  The Company
     shall deliver, as promptly as practicable following receipt
     of Federal Reserve approval for such redemption and
     cancellation, a notice to holders of the Company Debentures
     and the Equity Contracts of the Company's irrevocable
     intention to redeem, on a specified date not earlier than
     60 days nor later than 90 days following the date of such
     notice, all the outstanding Company Debentures in accordance
     with their terms and to cause the cancellation of all the
     outstanding Equity Contracts in accordance with their terms.
     On such specified date, the Company shall duly effect such
     redemptions and such cancellations, in each case in
     accordance with the respective provisions of the Company
     Debentures and the Equity Contracts.

               SECTION 5.12.  Additional Agreements.  In case at
     any time after the Effective Time any further action is
     necessary or desirable to carry out the purposes of this
     Agreement or to vest the Surviving Corporation with full
     title to all properties, assets, rights, approvals,
     immunities and franchises of either of the Company or 










          <PAGE>70

                                                               47

     Parent, the proper officers and directors of each party to
     this Agreement shall take all such necessary action.

               SECTION 5.13.  Parent Covenants.  (a)  Other
     Actions.  Parent shall not, nor shall it permit any of its
     subsidiaries to, take any action that would, or reasonably
     could be expected to, result in any of its representations
     and warranties set forth in this Agreement that are
     qualified as to materiality being or becoming untrue, any of
     such representations and warranties that are not so
     qualified being or becoming untrue in any material respect,
     any of the conditions to the Merger set forth in Article VI
     not being satisfied or a material Violation of any provision
     of the Stock Option Agreement, or (unless such action is
     required by applicable law or sound banking practice) which
     could reasonably be expected to adversely affect or delay
     the ability of any of Parent, Sub or the Company or their
     subsidiaries to obtain any of the Requisite Regulatory
     Approvals without imposition of a condition or restriction
     of the type referred to in Section 6.02(c).

               (b)  Advice of Changes; Government Filings. 
     Parent shall file all reports required to be filed by it
     with the SEC or the applicable self-regulatory organization
     between the date of this Agreement and the Effective Time
     and shall deliver to the Company copies of all such reports
     promptly after the same are filed.  Parent and each
     subsidiary of Parent that is a bank shall file all Call
     Reports with the appropriate Regulatory Authorities and all
     other reports, applications and other documents required to
     be filed with the Federal Reserve and the other Regulatory
     Authorities between the date hereof and the Effective Time
     and shall make available to the Company copies of all such
     reports promptly after the same are filed.  Except where
     prohibited by applicable statutes and regulations, Parent
     shall promptly provide the Company (or its counsel) with
     copies of all other filings made by Parent with any state or
     Federal Governmental Entity in connection with this
     Agreement, the Stock Option Agreement or the transactions
     contemplated hereby or thereby.











          <PAGE>71

                                                               48

                              ARTICLE VI
                         Conditions Precedent

               SECTION 6.01.  Conditions to Each Party's
     Obligation To Effect the Merger.  The respective obligations
     of each party to effect the Merger and the other
     transactions contemplated hereby shall be subject to the
     satisfaction or waiver at or prior to the Effective Time of
     the following conditions:

               (a)  Company Stockholder Approval.  The Company
          Stockholder Approval shall have been obtained.

               (b)  Other Approvals.  Other than the filing
          provided for by Section 1.03, all authorizations,
          consents, orders or approvals of, or declarations or
          filings with, and all expirations of waiting periods
          imposed by, any Governmental Entity (all the foregoing,
          "Consents") which are necessary for the consummation of
          the Merger, other than Consents the failure to obtain
          which would not, individually or in the aggregate, have
          a Material Adverse Effect on the Surviving Corporation
          or which would not, individually or in the aggregate,
          materially adversely affect the consummation of the
          transactions contemplated hereby, shall have been
          filed, occurred or been obtained (all such Consents and
          the lapse of all such waiting periods being referred to
          as the "Requisite Regulatory Approvals"), and all such
          Requisite Regulatory Approvals shall be in full force
          and effect.

               (c)  No Injunctions or Restraints; Illegality.  No
          temporary restraining order, preliminary or permanent
          injunction or other order or decree issued by any court
          of competent jurisdiction or other legal restraint or
          prohibition preventing the consummation of the Merger
          shall be in effect; provided, however, that each of the
          parties shall have used reasonable efforts to prevent
          the entry of any such injunction or other order or
          restraint and to appeal as promptly as possible any
          injunction or other order or restraint that may be
          entered.  There shall not be any action taken, or any
          statute, rule, regulation or order enacted, entered,
          enforced or deemed applicable to the Merger, which
          makes the consummation of the Merger illegal.







          <PAGE>72

                                                               49

               SECTION 6.02.  Conditions to Obligations of
     Parent.  The obligations of Parent and Sub to effect the
     Merger are subject to the satisfaction of the following
     conditions unless waived by Parent and Sub:

               (a)  Representations and Warranties.  The
          representations and warranties of the Company (i) set
          forth in this Agreement (other than those described in
          clause (ii) hereof) that are qualified as to
          materiality shall be true and correct, and any such
          representations and warranties that are not so
          qualified shall be true and correct in all material
          respects and (ii) set forth in the last sentence of
          Section 3.01(f)(i), Section 3.01(f)(ii)(A) and the last
          two sentences of Section 3.01(q) except to the extent
          that any inaccuracies, either individually or in the
          aggregate, could not reasonably be expected to result
          in or constitute a Material Adverse Effect on the
          Company; in the case of all such representations and
          warranties referred to in clause (i) and (ii) hereof
          both as of the date of this Agreement and (except to
          the extent such representations and warranties speak as
          of an earlier date) as of the Closing Date as though
          made on and as of the Closing Date, except as otherwise
          contemplated by this Agreement, and Parent shall have
          received a certificate signed on behalf of the Company
          by its Chairman or Chief Executive Officer and its
          Chief Financial Officer or other executive officer
          performing duties equivalent to those of a "chief
          financial officer" to such effect.

               (b)  Performance of Obligations of the Company. 
          The Company shall have performed in all material
          respects all obligations required to be performed by it
          under this Agreement at or prior to the Closing Date,
          and Parent shall have received a certificate signed on
          behalf of the Company by its Chairman or Chief
          Executive Officer and its Chief Financial Officer or
          other executive officer performing duties equivalent to
          these of a "chief financial officer" to such effect.

               (c)  Burdensome Condition.  There shall not be any
          action taken, or any statute, rule, regulation or order
          enacted, entered, enforced or deemed applicable to the
          Merger, by any Governmental Entity which, in connection
          with the grant of a Requisite Regulatory Approval,
          imposes any requirement upon Parent, the Company or the
          Surviving Corporation or their respective subsidiaries 





          <PAGE>73

                                                               50

          to (i) dispose of any asset which is material to
          Parent, the Company or the Surviving Corporation,
          (ii) materially restrict or curtail the current
          business operations or activities of Parent, or
          (iii) raise an amount of capital, the issuance and sale
          of which, in the absence of the Merger and the other
          transactions contemplated by this Agreement, would in
          the good faith judgment of Parent be materially
          burdensome in light of such person's capital raising
          policies.

               (d)  Company Debentures and Equity Contracts.  The
          Company shall have duly effected the redemption of all
          the outstanding Company Debentures and the cancellation
          of all the outstanding Equity Contracts.

               (e)  Company Stock Options and Company Stock
          Plans.  The Company shall have duly effected, as of the
          Effective Time, the cancellation of all outstanding
          Company Stock Options, whether vested or not (the
          holders of which shall then be entitled to receive from
          Parent the amounts determined in accordance with
          Section 5.06(a)), the termination of the Company Stock
          Plans (other than, subject to Section 5.06(d), the
          ESOP) and the deletion of any provision in any other
          Company Benefit Plan providing for the issuance,
          transfer or grant of any capital stock of the Company
          or any subsidiary of the Company or any interest in
          respect of any capital stock of the Company or any
          subsidiary of the Company.

               (f)  Rights Agreement.  The Rights Agreement shall
          be inapplicable to the Merger and the other
          transactions contemplated by this Agreement.

               SECTION 6.03.  Conditions to Obligations of the
     Company.  The obligations of the Company to effect the
     Merger are subject to the satisfaction of the following
     conditions unless waived by the Company:

               (a)  Representations and Warranties.  The
          representations and warranties of Parent and Sub set
          forth in this Agreement that are qualified as to
          materiality shall be true and correct, and any such
          representations and warranties that are not so
          qualified shall be true and correct in all material
          respects, in either case as of the date of this
          Agreement and (except to the extent such 











          <PAGE>74

                                                               51

          representations speak as of an earlier date) as of the
          Closing Date as though made on and as of the Closing
          Date, except as otherwise contemplated by this
          Agreement, and the Company shall have received a
          certificate signed on behalf of Parent and Sub by their
          respective Chairman or Chief Executive Officers and
          their respective Chief Financial Officers or other
          executive officers performing duties equivalent to
          these of a "chief financial officer" to such effect.

               (b)  Performance of Obligations of Parent and Sub. 
          Parent and Sub shall have performed in all material
          respects all obligations required to be performed by
          them under this Agreement and the Stock Option
          Agreement at or prior to the Closing Date, and the
          Company shall have received a certificate signed on
          behalf of Parent and Sub by their respective Chairman
          or Chief Executive Officers and their respective Chief
          Financial Officers or other executive officers
          performing duties equivalent to these of a "chief
          financial officer" to such effect.


                              ARTICLE VII
                       Termination and Amendment

               SECTION 7.01.  Termination.  This Agreement may be
     terminated at any time prior to the Effective Time, whether
     before or after the Company Stockholder Approval is
     received:

               (a) by mutual written consent of Parent and the
          Company;

               (b) by either Parent or the Company upon written
          notice to the other party:

                    (i) if (1) the Federal Reserve or any other
               Governmental Entity the approval of which is
               required to permit consummation of the Merger or
               the other transactions contemplated hereby shall
               have issued an order denying approval of the
               Merger or such other transactions or (2) any
               Governmental Entity of competent jurisdiction
               shall have issued a final permanent order
               enjoining or otherwise prohibiting the
               consummation of the Merger or the other 






          <PAGE>75

                                                               52

               transactions contemplated hereby and in any such
               case under either clause (1) or (2) the time for
               appeal or petition for reconsideration of such
               order shall have expired without such appeal or
               petition being granted;

                    (ii) if the Company, on the one hand, or
               Parent or Sub, on the other hand, materially
               breaches any of its covenants and obligations
               hereunder or under the Stock Option Agreement and
               such breach is not cured after 30 days' written
               notice thereof is given to the party committing
               such breach by the other party; 

                    (iii) if the Merger shall not have been
               consummated on or before February 5, 1996, unless
               the failure to consummate the Merger is the result
               of a willful and material breach of this Agreement
               by the party seeking to terminate this Agreement;
               or

                     (iv) if, upon a vote at a duly held Company
               Stockholders Meeting, the Company Stockholder
               Approval shall not have been obtained;
               (c) by either Parent or Sub upon written notice to
               the Company:

                    (i) if, prior to the Company Stockholders
               Meeting, a takeover proposal is commenced,
               publicly proposed, publicly disclosed or
               communicated to the Company (or the willingness of
               any person to make a takeover proposal is publicly
               disclosed or communicated to the Company) and
               (A) the Company Stockholder Approval is not
               obtained at the Company Stockholders Meeting,
               (B) the Company Stockholders Meeting does not
               occur prior to 120 days after the date of this
               Agreement or (C) the Board of Directors of the
               Company or any committee thereof shall have
               withdrawn or modified its approval or
               recommendation of the Merger or this Agreement, or
               approved or recommended any takeover proposal; or

                  (ii) if the Company shall have entered into
               any agreement with respect to any superior
               proposal in accordance with Section 4.02(b); or










          <PAGE>76

                                                               53

               (d) by the Company in connection with entering
          into a definitive agreement in accordance with
          Section 4.02(b), provided it has complied with all
          provisions thereof, including the notice provisions
          therein, and that it makes simultaneous payment of the
          Expenses and the Termination Fee in accordance with
          Section 5.07(b).

               SECTION 7.02.  Effect of Termination.  In the
     event of termination of this Agreement by either the Company
     or Parent as provided in Section 7.01, this Agreement shall
     forthwith become void and have no effect, and there shall be
     no liability or obligation on the part of Parent, Sub, the
     Company or their respective officers or directors, except
     (a) with respect to Section 3.01(u), Section 3.02(e), the
     second sentence of Section 5.02, Section 5.07, this
     Section 7.02 and Article VIII, (b) with respect to the
     representations and warranties contained in Sections 3.01
     and 3.02 insofar as such representations and warranties
     relate to the Stock Option Agreement (but only until the
     termination of the Stock Option Agreement) and (c) to the
     extent that such termination results from the willful and
     material breach by the other party of any of its
     representations, warranties, covenants or agreements set
     forth in this Agreement.

               SECTION 7.03.  Amendment.  This Agreement may be
     amended by the parties hereto at any time before or after
     the Company Stockholder Approval is received, but, after
     receipt of the Company Stockholder Approval, no amendment
     shall be made which by law requires further approval by such
     stockholders without such further approval.  This Agreement
     may not be amended except by an instrument in writing signed
     on behalf of each of the parties hereto; provided, however,
     that, notwithstanding anything to the contrary contained in
     this Section 7.03, Parent may from time to time without the
     consent of the Company increase the amount (but not change
     the nature) of the Merger Consideration, and any provisions
     inconsistent with such right herein or in any agreement
     referred to herein are hereby deemed superseded to the
     extent of such inconsistency.

               SECTION 7.04.  Extension; Waiver.  At any time
     prior to the Effective Time, the parties hereto may, to the
     extent legally allowed, (a) extend the time for the
     performance of any of the obligations or other acts of the
     other parties hereto, (b) waive any inaccuracies in the
     representations and warranties contained herein or in any 







          <PAGE>77

                                                               54

     document delivered pursuant hereto and (c) subject to the
     proviso of Section 7.03, waive compliance with any of the
     agreements or conditions contained herein.  Any agreement on
     the part of a party hereto to any such extension or waiver
     shall be valid only if set forth in a written instrument
     signed on behalf of such party.  The failure of any party to
     this Agreement to assert any of its rights under this
     Agreement or otherwise shall not constitute a waiver of
     those rights.

               SECTION 7.05.  Procedure for Termination,
     Amendment, Extension or Waiver.  A termination of this
     Agreement pursuant to Section 7.01, an amendment of this
     Agreement pursuant to Section 7.03 or an extension or waiver
     pursuant to Section 7.04 shall, in order to be effective,
     require, in the case of Parent, Sub or the Company, action
     by its Board of Directors or the duly authorized designee of
     its Board of Directors.


                             ARTICLE VIII

                          General Provisions
               SECTION 8.01.  Nonsurvival of Representations and
     Warranties.  None of the representations and warranties in
     this Agreement or in any instrument delivered pursuant to
     this Agreement shall survive the Effective Time.  This
     Section 8.01 shall not limit any covenant or agreement of
     the parties which by its terms contemplates performance
     after the Effective Time.

               SECTION 8.02.  Notices.  All notices and other
     communications hereunder shall be in writing and shall be
     deemed given if delivered personally, telecopied (with
     confirmation) or mailed by registered or certified mail
     (return receipt requested) to the parties at the following












          <PAGE>78

                                                               55

     addresses (or at such other address for a party as shall be
     specified by like notice):

               (a) if to Parent or Sub, to:

               National Australia Bank Limited
               Level 35
               500 Bourke Street
               Melbourne, Australia
               Attention:  Chief Financial Officer

               Facsimile:  011-613-641-4902                  
               with copies to:

               National Australia Bank Limited
               Level 24
               500 Bourke Street
               Melbourne, Australia
               Attention:  Group Legal

               Facsimile:  011-613-641-4902

               Cravath, Swaine & Moore
               Worldwide Plaza
               825 Eighth Avenue
               New York, NY 10019
               Attention:  B. Robbins Kiessling, Esq.

               Facsimile:  (212) 474-3700; and

               (b) if to the Company, to:

               Michigan National Corporation
               27777 Inkster Road
               Farmington Hills, MI 48334
               Attention:  Robert J. Mylod

               Facsimile:  (810) 473-3086    









          <PAGE>79

                                                               56

               with a copy to:

               Wachtell, Lipton, Rosen & Katz
               51 West 52nd Street
               New York, NY 10019
               Attention:  Edward D. Herlihy, Esq.

               Facsimile:  (212) 403-2000.

               SECTION 8.03.  Definitions; Interpretation. 
     (a)  As used in this Agreement, (i) any reference to any
     event, change or effect being "material" with respect to any
     entity means an event, change or effect which is material in
     relation to the businesses, assets, properties, liabilities,
     results of operations, financial condition or prospects of
     such entity and its subsidiaries taken as a whole, (ii) the
     term "Material Adverse Effect" means, with respect to the
     Company, Parent or Sub, a material adverse effect on the
     business, assets, properties, liabilities, results of
     operations, financial condition or prospects of such party
     and its subsidiaries taken as a whole or on the ability of
     such party to perform its obligations hereunder or, except
     for purposes of determining satisfaction of the conditions
     set forth in Section 6.02, under the other agreements
     contemplated hereby and (iii) the term "person" means an
     individual, corporation, partnership, joint venture,
     association, trust, unincorporated organization or other
     entity.

               (b)  When a reference is made in this Agreement to
     Articles, Sections, Exhibits or Schedules, such reference
     shall be to an Article, Section of or Exhibit or Schedule to
     this Agreement unless otherwise indicated.  The table of
     contents and headings contained in this Agreement are for
     reference purposes only and shall not affect in any way the
     meaning or interpretation of this Agreement.  Whenever the
     words "include", "includes" or "including" are used in this
     Agreement, they shall be deemed to be followed by the words
     "without limitation".  The words "hereof", "herein" and
     "hereunder" and words of similar import when used in this
     Agreement shall refer to this Agreement as a whole and not
     to any particular provision of this Agreement.  All terms
     defined in this Agreement shall have the defined meanings
     when used in any certificate or other document made or
     delivered pursuant hereto unless otherwise defined herein. 
     The definitions contained in this Agreement are applicable
     to the singular as well as the plural forms of such terms
     and to the masculine as well as to the feminine and neuter 





          <PAGE>80

                                                               57

     genders of such term.  Any agreement, instrument or statute
     defined or referred to herein or in any agreement or
     instrument that is referred to herein means such agreement,
     instrument or statute as from time to time amended, modified
     or supplemented, including (in the case of agreements or
     instruments) by waiver or consent and (in the case of
     statutes) by succession of comparable successor statutes and
     references to all attachments thereto and instruments
     incorporated therein.  References to a person are also to
     its permitted successors and assigns.

               SECTION 8.04.  Counterparts.  This Agreement may
     be executed in one or more counterparts, all of which shall
     be considered one and the same agreement and shall become
     effective when one or more counterparts have been signed by
     each of the parties and delivered to the other parties.

               SECTION 8.05.  Entire Agreement; No Third-Party
     Beneficiaries; Rights of Ownership.  This Agreement
     (including the documents and the instruments referred to
     herein, including the Stock Option Agreement, the
     Confidentiality Agreement, and any other agreement among the
     parties entered into contemporaneously herewith
     (a) constitutes the entire agreement and supersedes all
     prior agreements and understandings, both written and oral,
     among the parties with respect to the subject matter hereof
     and of the Confidentiality Agreement, provided that the
     Confidentiality Agreement shall survive the execution and
     delivery of this Agreement, and (b) other than Sections
     5.05, 5.06 and 5.08, is not intended to confer upon any
     person other than the parties hereto any rights or remedies
     hereunder.  The parties hereby acknowledge that, except as
     otherwise specifically provided in the Stock Option
     Agreement or as hereinafter agreed to in writing, neither
     Parent nor Sub shall have the right to acquire or shall be
     deemed to have acquired shares of Company Common Stock
     pursuant to the Merger until consummation thereof.

               SECTION 8.06.  Governing Law.  This Agreement
     shall be governed and construed in accordance with the laws
     of the State of Michigan, without regard to any applicable
     principles of conflicts of law.

               SECTION 8.07.  Limitations on Remedies.  Each
     party agrees that, should any court or other competent
     authority hold any provision of this Agreement or the Stock
     Option Agreement or part hereof or thereof to be null, void
     or unenforceable, or order any party to take any action







          <PAGE>81

                                                               58

     inconsistent herewith or not to take any action required
     herein, the other party shall not be entitled to specific
     performance of such provision or part hereof or thereof or
     to any other remedy, including money damages, for breach
     hereof or thereof or of any other provision of this
     Agreement or the Stock Option Agreement or part hereof or
     thereof as a result of such holding or order.  This
     provision is not intended to render null or unenforceable
     any obligation hereunder that would be valid and enforceable
     if this provision were not in this Agreement.

               SECTION 8.08.  Publicity.  Except as otherwise
     required by law or the rules of the NYSE or Nasdaq, so long
     as this Agreement is in effect, neither the Company nor
     Parent shall, or shall permit any of its subsidiaries to,
     issue or cause the publication of any press release or other
     public announcement with respect to the transactions
     contemplated by this Agreement or the Stock Option Agreement
     without the consent of the other party, which consent shall
     not be unreasonably withheld.  The parties agree that the
     initial press release to be issued with respect to the
     transactions contemplated by this Agreement shall be in the
     form heretofore agreed to by the parties.

               SECTION 8.09.  Assignment.  Neither this Agreement
     nor any of the rights, interests or obligations hereunder
     shall be assigned, in whole or in part, by any of the
     parties hereto (whether by operation of law or otherwise)
     without the prior written consent of the other parties, and
     any such assignment that is not so consented to shall be
     null and void.  Subject to the preceding sentence, this
     Agreement will be binding upon, inure to the benefit of and
     be enforceable by the parties and their respective
     successors and assigns.

               SECTION 8.10.  Enforcement.  Subject to
     Section 8.07, the parties agree that irreparable damage
     would occur in the event that any of the provisions of this
     Agreement were not performed in accordance with their
     specific terms or were otherwise breached.  It is
     accordingly agreed that, subject to Section 8.07, the
     parties shall be entitled to an injunction or injunctions to
     prevent breaches of this Agreement and to enforce
     specifically the terms and provisions of this Agreement in
     any Federal court located in the State of New York or in any
     New York state court, this being in addition to any other
     remedy to which they are entitled at law or in equity.  In
     addition, each of the parties hereto (a) consents to submit 









          <PAGE>82

                                                               59

     itself to the personal jurisdiction of any Federal court
     located in the State of New York or any New York state court
     in the event any dispute arises out of this Agreement or any
     of the transactions contemplated by this Agreement and
     (b) agrees that it will not attempt to deny or defeat such
     personal jurisdiction by motion or other request for leave
     from any such court.


               IN WITNESS WHEREOF, Parent, Sub and the Company
     have caused this Agreement to be signed by their respective
     officers thereunto duly authorized, all as of the date first
     above written.


                                   NATIONAL AUSTRALIA BANK
                                   LIMITED A.C.N. 004044937,

                                     by
                                        /s/ Bruce S. McComish
                                        -----------------------
                                        Name:  Bruce S. McComish
                                        Title: Chief Financial
                                                Officer


                                   MNC ACQUISITION CO.,

                                     by
                                        /s/ Bruce S. McComish
                                        -------------------------

                                        Name: Bruce S. McComish
                                        Title: Chairman, President and 
                                               Chief Executive Officer



                                   MICHIGAN NATIONAL CORPORATION,

                                     by
                                        /s/ Robert J. Mylod
                                        -------------------------
                                        Name: Robert J. Mylod
                                        Title: Chairman and Chief
                                                Executive Officer









          <PAGE>83

                                      Exhibit (c) to Schedule 13D

                         STOCK OPTION AGREEMENT dated as of
                    February 4, 1995, among NATIONAL AUSTRALIA
                    BANK LIMITED A.C.N. 004044937, an Australian
                    corporation ("Grantee"), MNC ACQUISITION CO.,
                    a Michigan corporation and a wholly owned
                    subsidiary of Grantee ("Sub"), and MICHIGAN
                    NATIONAL CORPORATION, a Michigan corporation
                    ("Issuer").


               WHEREAS Issuer is a registered bank holding
     company under the Bank Holding Company Act of 1956, as
     amended (the "BHC Act");

               WHEREAS Grantee is a commercial bank under
     Australian law and is a foreign bank within the meaning of
     the International Banking Act of 1978, as amended;
               WHEREAS Grantee, Sub and Issuer propose to enter
     into an Agreement and Plan of Merger dated as of the date
     hereof (the "Merger Agreement");

               WHEREAS, as a condition and inducement to
     Grantee's and Sub's willingness to enter into the Merger
     Agreement, Grantee and Sub have required that Issuer grant
     to Grantee the Option (as defined in Section 2); and

               WHEREAS the Board of Directors of Issuer,
     believing it to be in the best interests of Issuer, has
     approved this Agreement and the grant by Issuer of the
     Option.


               NOW THEREFORE, in consideration of the foregoing
     and the respective representations, warranties, covenants
     and agreements set forth herein and in the Merger Agreement,
     the parties hereto agree as follows:

               1.  Definitions; Interpretation.  Capitalized
     terms used but not defined herein shall have the meanings
     set forth in the Merger Agreement, which also contains in
     Section 8.03(b) thereof certain rules of construction and
     interpretation that shall be applicable hereto as if set
     forth herein.

               2.  Grant of Option.  Issuer hereby grants to
     Grantee an unconditional, irrevocable option (the "Option")
     to purchase, subject to the terms hereof, up to 2,633,502








          <PAGE>84

     fully paid and nonassessable shares (such amount, as may be
     adjusted from time to time as set forth herein, the "Option
     Shares") of Common Stock, par value $10 per share ("Issuer
     Common Stock"), of the Issuer at a purchase price of
     U.S. $89.00 per Option Share (such price, as may be adjusted
     from time to time as set forth herein, the "Option Price"). 
     The number of Option Shares that may be received upon the
     exercise of the Option and the Option Price are subject to
     adjustment as set forth in Section 6.

               3.  Exercise of Option.  (a)  Grantee may exercise
     the Option, in whole or part, at any time and from time to
     time on or after the date hereof if a Triggering Event (as
     defined below) shall have occurred; provided, however, that,
     to the extent the Option shall not have been exercised, it
     shall terminate and be of no further force and effect upon
     the earliest of (i) the Effective Time of the Merger,
     (ii) termination of the Merger Agreement pursuant to
     Section 7.01 thereof (other than for any of the reasons
     described in clause (iii) below) or (iii) 18 months after
     termination of the Merger Agreement (x) by either party
     under Section 7.01(c) or (d) thereof, (y) by Grantee under
     Section 7.01(b)(ii) thereof or (z) by Issuer under
     Section 7.01(b)(iv) under circumstances where Grantee could
     effect termination pursuant to Section 7.01(c); provided
     further that, any such exercise and purchase of Option
     Shares shall be subject to compliance with applicable laws,
     including the BHC Act.  The rights set forth in Sections 8,
     9 and 10 shall not terminate when the right to exercise the
     option terminates as set forth herein, but shall extend to
     such time as is provided in such Sections 8, 9 and 10. 
     Notwithstanding the termination of the Option, Grantee shall
     be entitled to purchase those Option Shares with respect to
     which it has exercised the Option in accordance with the
     terms hereof prior to the termination of the Option.

               (b)  A "Triggering Event" means the occurrence of
     an Acquisition Event, as defined in Section 5.07(b) of the
     Merger Agreement (without regard to whether the Merger
     Agreement is terminated).

               (c)  Issuer shall notify Grantee promptly in
     writing of the occurrence of any Triggering Event; provided
     that it is understood that the giving of such notice by 











          <PAGE>85

     Issuer shall not be a condition to the right of Grantee to
     exercise the Option.

               (d)  In the event Grantee is entitled to and
     wishes to exercise the Option, it shall send to Issuer a
     written notice (the date of which being referred to herein
     as the "Notice Date") specifying (i) the total number of
     Option Shares it will purchase pursuant to such exercise and
     (ii) a place and date not earlier than three business days
     nor later than 60 business days from the Notice Date for the
     closing of such purchase (a "Closing Date"); provided that
     if prior notification to or approval of the Federal Reserve
     Board (the "Federal Reserve") or any other Governmental
     Entity is required in connection with such purchase, Grantee
     shall promptly file the required notice or application for
     approval and shall expeditiously process the same and the
     period of time that otherwise would run pursuant to this
     sentence shall run instead from the date on which, as the
     case may be, (A) any required notification periods have
     expired or been terminated or (B) such approvals have been
     obtained and any requisite waiting period or periods shall
     have passed.

               (e)  Notwithstanding Section 3(d), in no event
     shall any Closing Date be more than 18 months after the
     related Notice Date, and if the Closing Date shall not have
     occurred within 18 months after the related Notice Date due
     to the failure to obtain any such required approval, the
     exercise of the Option effected on the Notice Date shall be
     deemed to have expired.  In the event (i) Grantee receives
     official notice that an approval of the Federal Reserve or
     any other Governmental Entity required for the purchase of
     the Option Shares would not be issued or granted or (ii) a
     Closing Date shall not have occurred within 18 months after
     the related Notice Date due to the failure to obtain any
     such required approval, Grantee shall nevertheless be
     entitled to exercise its right as set forth in Section 8 or
     to exercise the Option in connection with the resale of
     Issuer Common Stock or other securities pursuant to a
     registration statement as provided in Section 10.  The
     provisions of this Section 3 and Section 4 shall apply with
     appropriate adjustments to any such exercise.

               4.  Payment and Delivery of Certificates.  (a)  On
     each Closing Date referred to in Section 3(d), Grantee shall
     pay to Issuer in immediately available funds by a wire
     transfer to a bank account designated by Issuer an amount



          <PAGE>86

     equal to the Option Price multiplied by the number of Option
     Shares to be purchased on such Closing Date.

               (b)  On each Closing Date, simultaneously with the
     delivery of immediately available funds as provided in
     Section 4(a), Issuer shall deliver to Grantee a certificate
     or certificates representing the Option Shares to be
     purchased on such Closing Date.  If the Option should be
     exercised in part only, a new Option evidencing the rights
     of Grantee to purchase the balance of the Option Shares
     purchasable hereunder shall be issued to Grantee, and
     Grantee shall deliver to Issuer a copy of this Agreement and
     a letter agreeing that Grantee will not offer to sell or
     otherwise dispose of such Option Shares in violation of
     applicable law or the provisions of this Agreement.

               (c)  Certificates for Issuer Common Stock
     delivered on a Closing Date hereunder shall be endorsed with
     a restrictive legend that shall read substantially as
     follows:

          THE TRANSFER OF THE SHARES REPRESENTED BY THIS
          CERTIFICATE IS SUBJECT TO CERTAIN RESALE RESTRICTIONS
          ARISING UNDER THE SECURITIES ACT OF 1933, AS AMENDED,
          AND PURSUANT TO THE TERMS OF A STOCK OPTION AGREEMENT
          DATED AS OF FEBRUARY 4, 1995, A COPY OF WHICH AGREEMENT
          IS ON FILE AT THE PRINCIPAL OFFICE OF ISSUER.  A COPY
          OF SUCH AGREEMENT WILL BE MAILED TO THE HOLDER HEREOF
          WITHOUT CHARGE UPON RECEIPT BY ISSUER OF A WRITTEN
          REQUEST THEREFOR.

     It is understood and agreed that:  (i) the reference to the
     resale restrictions of the Securities Act of 1933, as
     amended (the "Securities Act"), in the above legend shall be
     removed by delivery of substitute certificate(s) without
     such reference if Grantee shall have delivered to Issuer a
     copy of a letter from the staff of the Securities and
     Exchange Commission, or an opinion of counsel, in form and
     substance satisfactory to Issuer, to the effect that such
     legend is not required for purposes of the Securities Act;
     (ii) the reference to the provisions of this Agreement in
     the above legend shall be removed by delivery of substitute
     certificate(s) without such reference if the Option Shares
     have been sold or transferred in compliance with the
     provisions of this Agreement and under circumstances that do
     not require the retention of such reference; and (iii) the
     legend shall be removed in its entirety if the conditions in
     the preceding clauses (i) and (ii) are both satisfied.  In







          <PAGE>87

     addition, such certificates shall bear any other legend as
     may be required by law.

               (d)  Upon the giving by Grantee to Issuer of the
     written notice of exercise of the Option provided for under
     Section 3(d), the tender of the applicable purchase price in
     immediately available funds and the tender of a copy of this
     Agreement to Issuer, Grantee shall be deemed to be the
     holder of record of the Option Shares issuable upon such
     exercise, notwithstanding that the stock transfer books of
     Issuer shall then be closed or that certificates
     representing such Option Shares shall not then be actually
     delivered to Grantee.  Issuer shall pay all expenses and any
     and all United States Federal, state and local taxes and
     other charges that may be payable in connection with the
     preparation, issue and delivery of stock certificates under
     this Section 4 in the name of Grantee or its assignee,
     transferee or designee.

               (e)  If, at the time of issuance of any Option
     Shares pursuant to an exercise of all or a portion of the
     Option hereunder, Issuer shall not have redeemed the Rights
     or shall have issued any similar securities, then each
     Option Share issued pursuant to such exercise shall also
     represent Rights or new rights with terms substantially
     identical to and at least as favorable to Grantee as are
     provided under the Rights Agreement or any similar agreement
     then in effect.

               5.  Authorizations, etc.  Issuer agrees (i) that
     it shall at all times maintain, free from preemptive rights
     or Liens, sufficient authorized but unissued shares of
     Issuer Common Stock so that the Option may be exercised
     without additional authorization of Issuer Common Stock
     after giving effect to all other options, warrants,
     convertible securities and other rights to purchase Issuer
     Common Stock, (ii) that it will not, by charter amendment or
     through reorganization, recapitalization, reclassification,
     consolidation, merger, dissolution or sale of assets, or by
     any other voluntary act, avoid or seek to avoid the
     observance or performance of any of the covenants,
     stipulations or conditions to be observed or performed
     hereunder by Issuer and (iii) promptly to take all action as
     may from time to time be required (including, in the event,
     under the BHC Act or the Change in Bank Control Act of 1978,
     as amended, or a state banking law, prior approval of or
     notice to the Federal Reserve or to any state regulatory
     authority is necessary before the Option may be exercised,




          <PAGE>88

     cooperating fully with Grantee in preparing such
     applications or notices and providing such information to
     the Federal Reserve or such state regulatory authority as
     they may require) in order to permit Grantee to exercise the
     Option and so that the Option Shares, when issued, shall be
     duly authorized, validly issued, fully paid and
     nonassessable and free and clear of all Liens and not
     subject to any preemptive rights.

               6.  Adjustments.  (a)  In the event that any
     additional shares of Issuer Common Stock are issued or
     otherwise become outstanding after the date of this
     Agreement (other than pursuant to an exercise of the Option
     or an event described in Section 6(b)), including pursuant
     to stock option plans and in connection with acquisitions
     and other transactions permitted by the Merger Agreement,
     the number of Option Shares shall be increased so that,
     after such issuance, it equals 19.9% of the number of shares
     of Issuer Common Stock then issued and outstanding (without
     giving pro forma effect to the issuance of the Option
     Shares).  Nothing contained in this Section 6(a) or
     elsewhere in this Agreement shall be deemed to authorize
     Issuer to issue shares of Issuer Common Stock in breach of,
     or otherwise breach any of, the provisions of the Merger
     Agreement.

               (b)  In the event of any change in Issuer Common
     Stock by reason of a stock dividend, split-up,
     recapitalization, combination, subdivision, conversion,
     exchange of shares or similar transaction, the type and
     number of Option Shares shall be appropriately adjusted and
     proper provision shall be made in the agreements governing
     any such transaction, so that Grantee shall receive upon
     exercise of the Option the number and class of shares, other
     securities, property or cash that Grantee would have
     received in respect of Issuer Common Stock if the Option had
     been exercised in full and the Option Shares had been issued
     to Grantee immediately prior to such event or the record
     date therefor, as applicable.  Whenever the number of Option
     Shares is adjusted as provided in this Section 6(b), the
     Option Price shall be adjusted by multiplying the Option
     Price by a fraction, the numerator of which is equal to the
     number of Option Shares purchasable prior to the adjustment
     and the denominator of which is equal to the number of
     Option Shares purchasable after the adjustment.

               7.  Replacement Options.  (a)  In the event that
     Issuer shall enter into an agreement (i) to consolidate with



          <PAGE>89

     or merge into any person, other than Grantee or one of its
     subsidiaries, and shall not be the continuing or surviving
     corporation of such consolidation or merger, (ii) to permit
     any person, other than Grantee or one of its subsidiaries,
     to merge into Issuer and Issuer shall be the continuing or
     surviving corporation, but, in connection with such merger,
     the then outstanding shares of Issuer Common Stock shall be
     changed into or exchanged for stock or other securities of
     Issuer or any other person or cash or any other property or
     the then outstanding shares of Issuer Common Stock shall
     after such merger represent less than 50% of the outstanding
     shares and share equivalents of the merged company or
     (iii) to sell or otherwise transfer all or substantially all
     its assets to any person, other than Grantee or one of its
     subsidiaries, then, and in each such case, the agreement
     governing such transaction shall make proper provision so
     that the Option shall, upon the consummation of any such
     transaction and upon the terms and conditions set forth
     herein, be converted into, or exchanged for, an option (the
     "Substitute Option"), at the election of Grantee, of either
     (A) the Acquiring Corporation (as defined below) or (B) any
     person that controls the Acquiring Corporation.

               (b)  The following terms have the meanings
     indicated:

               (i)  "Acquiring Corporation" shall mean (A) the
          continuing or surviving corporation of a consolidation
          or merger with Issuer (if other than Issuer),
          (B) Issuer in a merger in which Issuer is the
          continuing or surviving person or (C) the transferee of
          all or substantially all of Issuer's assets.

               (ii)  "Substitute Common Stock" shall mean the
          common stock issued by the issuer of the Substitute
          Option upon exercise of the Substitute Option.

               (iii)  "Average Price" shall mean the average
          closing price of a share of the Substitute Common Stock
          for the one year immediately preceding the
          consolidation, merger or sale in question, but in no
          event higher than the closing price of the shares of
          the Substitute Common Stock on the day preceding such
          consolidation, merger or sale; provided that, if Issuer
          is the issuer of the Substitute Option, the Average
          Price shall be computed with respect to a share of
          common stock issued by the person merging into Issuer









          <PAGE>90

          or by any company which controls or is controlled by
          such person, as Grantee may elect.

               (c)  The Substitute Option shall have the same
     terms as the Option, provided that, if the terms of the
     Substitute Option cannot, for legal reasons, be the same as
     the Option, such terms shall be as similar as possible and
     in no event less advantageous to Grantee.  The issuer of the
     Substitute Option (the "Substitute Option Issuer") shall
     also enter into an agreement with Grantee in substantially
     the same form as this Agreement, which shall be applicable
     to the Substitute Option.  Without limiting the generality
     of the foregoing, the provisions of Sections 8, 9, 10, 11
     and 12 shall apply with respect to the Substitute Option and
     any securities for which the Substitute Option becomes
     exercisable with the same effect as if all references to
     "Issuer" in such Sections were references to "Substitute
     Option Issuer", all references to "Issuer Common Stock" were
     references to "Substitute Common Stock", all references to
     the "Option" were references to the "Substitute Option" and
     all references to "Option Shares" were references to
     "Substitute Option Shares".

               (d)  The Substitute Option shall be exercisable
     for such number of shares of Substitute Common Stock as is
     equal to the then-current Applicable Price (as defined in
     Section 8(c)) multiplied by the number of shares of Issuer
     Common Stock for which the Option is then exercisable,
     divided by the then-current Average Price.  The exercise
     price of the Substitute Option per share of Substitute
     Common Stock shall then be equal to the Option Price
     multiplied by a fraction in which the numerator is the
     number of shares of Issuer Common Stock for which the Option
     is then exercisable and the denominator is the number of
     shares of the Substitute Common Stock for which the
     Substitute Option is exercisable.

               (e)  In no event, pursuant to any of the foregoing
     paragraphs, shall the Substitute Option be exercisable for
     more than 19.9% of the shares of Substitute Common Stock
     outstanding prior to the exercise of the Substitute Option. 
     In the event that the Substitute Option would be exercisable
     for more than 19.9% of the shares of Substitute Common Stock
     outstanding prior to such exercise but for the limitation in
     this paragraph (e), the Substitute Option Issuer shall make
     a cash payment to Grantee equal to the excess of (i) the
     value of the Substitute Option without giving effect to the
     limitation in this paragraph (e) over (ii) the value of the








          <PAGE>91

     Substitute Option after giving effect to the limitation in
     this paragraph (e).  This difference in value shall be
     determined by a nationally recognized investment banking
     firm selected by Grantee.

               (f)  Issuer shall not enter into any transaction
     described in Section 7(a) unless the Acquiring Corporation
     and any person that controls the Acquiring Corporation
     assume in writing all the obligations of Issuer hereunder.

               8.  Repurchase at the Option of Grantee.  (a)  At
     the request of Grantee at any time during (i) the period
     during which the Option is exercisable pursuant to Section 3
     or (ii) the period of 30 business days immediately following
     the occurrence of either of the events set forth in
     clauses (i) and (ii) of the second sentence of Section 3(e)
     (but solely as to the shares of Issuer Common Stock with
     respect to which the required approval was not received)
     (either such period being referred to herein as the
     "Repurchase Period"), Issuer (or any successor entity
     thereof) shall repurchase from Grantee (A) the Option (or,
     in the circumstances set forth in clause (ii) above, that
     portion thereof relating to shares of Issuer Common Stock
     with respect to which required approvals were not received)
     unless the Option has expired or been terminated in
     accordance with the terms hereof and (B) all Option Shares
     purchased by Grantee pursuant hereto with respect to which
     Grantee then has beneficial ownership.  The date on which
     Grantee exercises its rights under this Section 8 is
     referred to as the "Request Date".  Such repurchase shall be
     at an aggregate price (the "Section 8 Repurchase
     Consideration") equal to the sum of:

               (1) the aggregate exercise price paid by Grantee
          for any Option Shares acquired with respect to which
          Grantee then has beneficial ownership;

               (2) the excess, if any, of (x) the Applicable
          Price for shares of Issuer Common Stock over (y) the
          Option Price, with such excess multiplied by the number
          of Option Shares with respect to which the Option has
          not been exercised; and

               (3) the excess, if any, of (x) the Applicable
          Price over (y) the Option Price paid (or, in the case
          of Option Shares with respect to which the Option has
          been exercised but the Closing Date has not occurred,
          payable) by Grantee for each Option Share with respect









          <PAGE>92

          to which the Option has been exercised, with such
          excess multiplied by the number of such Option Shares.

               (b)  If Grantee exercises its rights under this
     Section 8, Issuer shall, within 10 business days after the
     Request Date, pay the Section 8 Repurchase Consideration to
     Grantee in immediately available funds, and Grantee shall
     surrender to Issuer the Option and the certificates
     evidencing the shares of Issuer Common Stock purchased
     thereunder with respect to which Grantee then has beneficial
     ownership, and Grantee shall warrant that it has sole record
     and beneficial ownership of such shares and that the same
     are then free and clear of all Liens.  Notwithstanding the
     foregoing, to the extent that prior notification to or
     approval of the Federal Reserve or other Governmental Entity
     is required in connection with the payment of all or any
     portion of the Section 8 Repurchase Consideration, Issuer
     shall deliver from time to time that portion of the
     Section 8 Repurchase Consideration that it is not then so
     prohibited from paying and shall promptly file the required
     notice or application for approval and shall expeditiously
     process the same (and Grantee shall cooperate with Issuer in
     the filing of any such notice or application and the
     obtaining of any such approval), and the period of time that
     otherwise would run pursuant to the preceding sentence for
     the payment of the portion of the Section 8 Repurchase
     Consideration requiring such notification or approval shall
     run instead from the date on which, as the case may be,
     (i) any required notification period has expired or been
     terminated or (ii) such approval has been obtained and, in
     either event, any requisite waiting period shall have
     passed.  If the Federal Reserve or any other Governmental
     Entity disapproves of any part of Issuer's proposed
     repurchase pursuant to this Section 8, Issuer shall promptly
     give notice of such fact to Grantee and redeliver to Grantee
     the Option Shares it is then prohibited from repurchasing,
     and Grantee shall have the right to exercise the Option as
     to the number of Option Shares for which the Option was
     exercisable at the Request Date less the number of shares as
     to which payment has been made pursuant to Section 8(a)(2);
     provided that if the Option shall have terminated prior to
     the date of such notice or shall be scheduled to terminate
     prior to the date of such notice or shall be scheduled to
     terminate at any time before the expiration of a period
     ending on the 30th business day after such date, Grantee
     shall nonetheless have the right so to exercise the Option
     or exercise its rights under Section 10 until the expiration
     of such period of 30 business days.  Notwithstanding







          <PAGE>93

     anything herein to the contrary, Grantee shall be entitled
     to exercise its right under this Section 8 on only one
     occasion.

               (c)  For purposes of this Agreement, the
     "Applicable Price" means the highest of (i) the highest
     price per share at which a tender offer or exchange offer
     has been made for shares of Issuer Common Stock after the
     date hereof and on or prior to the Request Date (or any
     other applicable determination date), (ii) the price per
     share to be paid by any third party for shares of Issuer
     Common Stock or the consideration per share to be received
     by holders of Issuer Common Stock, in each case pursuant to
     an agreement with Issuer for a merger or other business
     combination entered into on or prior to the Request Date (or
     any other applicable determination date), (iii) the highest
     price per share paid by any third party to acquire from a
     stockholder of Issuer, in one transaction or in a series of
     related transactions, an aggregate amount of Issuer Common
     Stock of 5% or more of the outstanding Issuer Common Stock
     or (iv) the highest bid price per share of Issuer Common
     Stock as quoted on the Nasdaq over-the-counter quotations
     system or, if not so quoted, on the principal trading market
     on which such shares are traded as reported by a recognized
     source during the 60 business days preceding the Request
     Date (or any other applicable determination date).  If the
     consideration to be offered, paid or received pursuant to a
     transaction described in either clause (i) or (ii) above
     shall be other than cash, the value of such consideration
     shall be determined in good faith by an independent
     nationally recognized investment banking firm selected by
     Grantee and reasonably acceptable to Issuer, which
     determination shall be conclusive for all purposes of this
     Agreement.

               9.  Repurchase at the Option of Issuer. 
     (a)  Except to the extent that Grantee shall have previously
     exercised its rights under Section 8, at the request of
     Issuer during the six-month period commencing 15 months
     following the first occurrence of a Triggering Event, Issuer
     may repurchase from Grantee, and Grantee shall sell to
     Issuer, all (but not less than all) the shares of Issuer
     Common Stock acquired by Grantee pursuant hereto and with
     respect to which Grantee has beneficial ownership at the
     time of such repurchase at a price equal to the greater of
     (i) 110% of the Current Market Price (as defined below) or
     (ii) the sum of (A) the Option Price in respect of the
     shares so acquired and (B) Grantee's pre-tax per share




          <PAGE>94

     carrying cost (as defined below), multiplied in the case of
     either clause (i) or (ii) above by the number of shares so
     acquired (the "Section 9 Repurchase Consideration");
     provided that Grantee, within 30 days following Issuer's
     notice of its intention to purchase shares pursuant to this
     Section 9, may deliver an Offeror's Notice (as defined in
     Section 11) pursuant to Section 11, in which case the
     provisions of Section 11 and not those of this Section 9
     shall control; and provided further that Issuer's rights
     under this Section 9 shall be suspended (with any such
     rights being extended accordingly) during any period when
     the exercise of such rights would subject Grantee to
     liability pursuant to Section 16(b) of the Exchange Act by
     reason of Grantee's purchase of shares of Issuer Common
     Stock pursuant to this Agreement.

               (b)  If Issuer exercises its rights under this
     Section 9 and Grantee does not deliver an Offeror's Notice
     or Grantee does not sell the shares to a third party
     pursuant thereto, Issuer shall, within 10 business days
     after the expiration of the 30-day period referred to in
     paragraph (a) above or, if applicable, upon abandonment of
     the transaction covered by the Offeror's Notice, pay the
     Section 9 Repurchase Consideration in immediately available
     funds, and Grantee shall surrender to Issuer the
     certificates evidencing the shares of Issuer Common Stock
     purchased hereunder with respect to which Grantee then has
     beneficial ownership, and Grantee shall warrant that it has
     sole record and beneficial ownership of such shares and that
     the same are then free and clear of all Liens.

               (c)  As used herein, (i) "Current Market Price"
     means the average closing bid price per share of Issuer
     Common Stock as quoted on the Nasdaq over-the-counter
     quotations system or, if not so quoted, on the principal
     trading market on which such shares are traded as reported
     by a recognized source for the 10 business days preceding
     the date of the Issuer's request for repurchase pursuant to
     this Section 9 and (ii) "Grantee's pre-tax per share
     carrying cost" shall be the amount equal to the interest on
     the aggregate Option Price paid for the shares of Issuer
     Common Stock purchased from the date of purchase to the date
     of repurchase at the rate of interest announced by Parent's
     New York branch as its prime or base lending or reference
     rate during such period, less any dividends received on the
     shares so purchased, divided by the number of shares so
     purchased.










          <PAGE>95

               10.  Registration Rights; Listing.  (a)  Issuer
     shall, if requested by Grantee at any time and from time to
     time (i) within three years of the first exercise of the
     Option or (ii) for 30 business days following the occurrence
     of either of the events set forth in clauses (i) and (ii) of
     the second sentence of Section 3(e) or receipt by Grantee of
     official notice that an approval of the Federal Reserve or
     any other Governmental Entity required for a repurchase as
     contemplated by Section 8(b) would not be issued or granted
     (but solely as to the shares of Issuer Common Stock or
     portion of the Option with respect to which the required
     approval was not received), as expeditiously as practicable
     prepare and file up to two registration statements under the
     Securities Act if necessary in order to permit the sale or
     other disposition of the shares of Issuer Common Stock or
     other securities that have been acquired by or are issuable
     to Grantee upon exercise of the Option in accordance with
     the intended method of sale or other disposition stated by
     Grantee, including a "shelf" registration statement under
     Rule 415 under the Securities Act or any successor
     provision.  Issuer shall use its best efforts to cause each
     such registration statement to become effective and to
     remain effective for such period not in excess of 180 days
     from the day such registration statement first becomes
     effective as may be reasonably necessary to effect such sale
     or other disposition.  Issuer shall also use its best
     efforts to qualify such shares or other securities under any
     applicable state securities laws.  Grantee agrees to use all
     reasonable efforts to cause, and to cause any underwriters
     or agents of any sale or other disposition to cause, any
     sale or other disposition pursuant to such registration
     statement to be effected on a widely distributed basis so
     that upon consummation thereof no purchaser or transferee
     shall own beneficially more than 2% of the then outstanding
     voting power of Issuer.  In the event that Grantee requests
     Issuer to file a registration statement following the
     failure to obtain a required approval for an exercise of the
     Option as described in Section 3(e), the closing of the sale
     or other disposition of Issuer Common Stock or other
     securities pursuant to such registration statement shall
     occur substantially simultaneously with the exercise of the
     Option, and Grantee shall be entitled to cause the Option
     Shares to be issued directly to the underwriters or agents
     named in such registration statement.  The obligations of
     Issuer hereunder to file a registration statement and to
     maintain its effectiveness may be suspended for one or more
     periods of time that do not exceed 60 days in the aggregate
     for all such periods if the Board of Directors of Issuer








          <PAGE>96

     shall have determined that the filing of such registration
     statement or the maintenance of its effectiveness would
     require disclosure of nonpublic information that would
     materially and adversely affect Issuer.  Any registration
     effected under this Section 10 shall be at Issuer's expense,
     except for underwriting discounts or commissions, brokers'
     fees and the fees and disbursements of Grantee's counsel
     related thereto.  Grantee shall provide all information
     reasonably requested by Issuer for inclusion in any
     registration statement to be filed hereunder.  If requested
     by Grantee in connection with any such registration, Issuer
     shall become a party to any underwriting agreement relating
     to the sale of such shares or other securities, but only to
     the extent of obligating itself in respect of
     representations, warranties, covenants, indemnities,
     contribution and other agreements customarily included in
     such underwriting agreements for the issuer.  If, during the
     time periods referred to in the first sentence of this
     Section 10, Issuer effects a registration under the
     Securities Act of Issuer Common Stock for its own account or
     for any other stockholders of Issuer (other than on Form S-4
     or S-8, or any successor form), it shall allow Grantee the
     right to participate in such registration, and such
     participation shall not affect the obligation of Issuer to
     effect two registration statements for Grantee under this
     Section 10; provided that, if the managing underwriters of
     such offering advise Issuer in writing that in their opinion
     the number of shares of Issuer Common Stock requested to be
     included in such registration exceeds the number which can
     be sold in such offering, Issuer shall include the shares
     requested to be included therein by Grantee pro rata with
     the shares intended to be included therein by Issuer or
     other stockholders, taken as a single group.

               (b)  If Issuer Common Stock or any other
     securities to be acquired upon exercise of the Option are
     then listed on a national or regional securities exchange or
     quoted on a national or regional quotation system, Issuer,
     upon request of Grantee, shall use its best efforts to make
     any filings and obtain any approvals necessary in order to
     cause the Option Shares or other securities acquired upon
     exercise of the Option to be so listed or quoted.

               11.  First Refusal.  At any time after the first
     occurrence of a Triggering Event and prior to the later of
     (a) expiration of 24 months immediately following the first
     purchase of shares of Issuer Common Stock pursuant to the
     Option and (b) the termination of the Option pursuant to









          <PAGE>97

     Section 3(a), if Grantee shall desire to sell, assign,
     transfer or otherwise dispose of all or any of the shares of
     Issuer Common Stock or other securities acquired by it
     pursuant to the Option, it shall give Issuer written notice
     of the proposed transaction (an "Offeror's Notice"),
     identifying the proposed transferee, accompanied by a copy
     of a binding offer to purchase such shares or other
     securities from such transferee and setting forth the terms
     of the proposed transaction.  An Offeror's Notice shall be
     deemed an offer by Grantee to Issuer, which may be accepted
     within 10 business days of the receipt of such Offeror's
     Notice, on the same terms and conditions and at the same
     price at which Grantee is proposing to transfer such shares
     or other securities to such transferee.  The purchase of any
     such shares or other securities by Issuer shall be settled
     within 10 business days of the date of the acceptance of the
     offer and the purchase price shall be paid to Grantee in
     immediately available funds; provided that, if prior
     notification to or approval of the Federal Reserve or any
     other Governmental Entity is required in connection with
     such purchase, Issuer shall promptly file the required
     notice or application for approval and shall expeditiously
     process the same (and Grantee shall cooperate with Issuer in
     the filing of any such notice or application and the
     obtaining of any such approval) and the period of time that
     otherwise would run pursuant to this sentence shall run
     instead from the date on which, as the case may be, (i) any
     required notification period has expired or been terminated
     or (ii) such approval has been obtained and, in either
     event, any requisite waiting period shall have passed.  In
     the event of the failure or refusal of Issuer to purchase
     all the shares or other securities covered by an Offeror's
     Notice or if the Federal Reserve or any other Governmental
     Entity disapproves Issuer's proposed purchase of such shares
     or other securities, Grantee may, within 60 days from the
     date of the Offeror's notice (subject to any necessary
     extension for regulatory notification, approval or waiting
     periods), sell all, but not less than all, of such shares or
     other securities to the proposed transferee at no less than
     the price specified, and on terms no more favorable than
     those specified, in the Offeror's Notice.  The requirements
     of this Section 11 shall not apply to (A) any disposition as
     a result of which the proposed transferee would own
     beneficially not more than 2% of the outstanding voting
     power of Issuer, (B) any disposition of Issuer Common Stock
     or other securities by a person to whom Grantee has assigned
     its rights under the Option with the consent of Issuer,
     (C) any sale by means of a public offering registered under






          <PAGE>98

     the Securities Act in which steps are taken to reasonably
     assure that no purchaser will acquire securities
     representing more than 2% of the outstanding voting power of
     Issuer or (D) any transfer to Sub or to any other wholly
     owned subsidiary of Parent that agrees in writing to be
     bound by the terms hereof.

               12.  Division of Option.  This Agreement (and the
     Option granted hereby) are exchangeable, without expense, at
     the option of Grantee, upon presentation and surrender of
     this Agreement at the principal office of Issuer, for other
     Agreements providing for Options of different denominations
     entitling the holder thereof to purchase in the aggregate
     the same number of shares of Issuer Common Stock purchasable
     hereunder.  The terms "Agreement" and "Option" as used
     herein include any Stock Option Agreements and related
     Options for which this Agreement (and the Option granted
     hereby) may be exchanged.  Upon receipt by Issuer of
     evidence reasonably satisfactory to it of the loss, theft,
     destruction or mutilation of this Agreement, and (in the
     case of loss, theft, or destruction) of reasonably
     satisfactory indemnification, and upon surrender and
     cancellation of this Agreement, if mutilated, Issuer will
     execute and deliver a new Agreement of like tenor and date. 
     Any such new Agreement executed and delivered shall
     constitute an additional contractual obligation on the part
     of Issuer, whether or not the Agreement so lost, stolen,
     destroyed, or mutilated shall at any time be enforceable by
     anyone.

               13.  Assignment.  Neither this Agreement nor any
     of the rights, interests or obligations under this Agreement
     or the Option shall be assigned by any of the parties hereto
     (whether by operation of law or otherwise) without the prior
     written consent of the other parties, except that Grantee
     may assign in whole or in part its rights and obligations
     hereunder to Sub or to any other direct or indirect wholly
     owned subsidiary of Grantee without the consent of Issuer.
     Subject to the preceding sentence, the terms and conditions
     of this Agreement shall inure to the benefit of and be
     binding upon the parties hereto and their respective
     successors and permitted assigns.

               14.  Further Assurances.  Each party hereto will
     use its best efforts to make all filings with, and to obtain
     consent of, all third parties and governmental authorities
     necessary or advisable to the consummation of the
     transactions contemplated by this Agreement, including








          <PAGE>99

     applying to the Federal Reserve under the BHC Act for
     approval to acquire the shares issuable hereunder.  In the
     event of any exercise of the Option by Grantee, Issuer,
     Grantee and Sub shall execute and deliver all other
     documents and instruments and take all other action that may
     be reasonably necessary or advisable in order to consummate
     the transactions provided for by such exercise.

               15.  Specific Performance.  The parties hereto
     acknowledge that damages would be an inadequate remedy for a
     breach of this Agreement by either party hereto and that the
     obligations of the parties hereto shall be enforceable by
     either party hereto through specific performance, injunctive
     relief or other equitable relief.  This provision is without
     prejudice to any other rights that the parties hereto may
     have for any failure to perform this Agreement.

               16.  Severability.  If any term, provision,
     covenant or restriction contained in this Agreement is held
     by a court or a Federal or state regulatory agency of
     competent jurisdiction to be invalid, void or unenforceable,
     the remainder of the terms, provisions, covenants and
     restrictions contained in this Agreement shall remain in
     full force and effect and shall in no way be affected,
     impaired or invalidated.  If for any reason such court or
     regulatory agency determines that Grantee is not permitted
     to acquire, or Issuer is not permitted to repurchase
     pursuant to Section 8, the full number of Option Shares
     provided in Section 1(a) hereof (as adjusted pursuant to
     Section 6), it is the express intention of Issuer to allow
     Grantee to acquire or to require Issuer to repurchase such
     lesser number of Option Shares as may be permissible without
     any amendment or modification hereof.

               17.  Notices.  All notices, requests, claims,
     demands and other communications hereunder shall be deemed
     to have been duly given when delivered in the manner and to
     the addresses specified in accordance with Section 8.02 of
     the Merger Agreement.

               18.  Governing Law.  This Agreement shall be
     governed by and construed in accordance with the laws of the
     State of Michigan without regard to any applicable
     principles of conflicts of laws.

               19.  Counterparts.  This Agreement may be executed
     in one or more counterparts, all of which shall be
     considered one and the same agreement and shall become




















          <PAGE>100

     effective when one or more counterparts have been signed by
     each of the parties and delivered to the other parties.

               20.  Expenses.  Except as otherwise expressly
     provided herein, each of the parties hereto shall bear and
     pay all costs and expenses incurred by it or on its behalf
     in connection with the transactions contemplated hereunder,
     including fees and expenses of its own financial
     consultants, investment bankers, accountants and counsel.

               21.  Limitation on Maximum Gain.  Notwithstanding
     anything to the contrary contained herein or in the Merger
     Agreement, the aggregate amount of gain realized by Grantee
     pursuant to this Stock Option Agreement from Issuer (or the
     Substitute Option Issuer), when added to the Termination Fee
     (as defined in Section 5.07(b) of the Merger Agreement), if
     any, received by Grantee pursuant to such Section 5.07(b),
     shall not in the aggregate exceed U.S. $75,000,000, and, in
     the event Grantee realizes gain in excess of such amount
     hereunder from Issuer (or the Substitute Option Issuer) or
     under the Termination Fee, Grantee hereby undertakes
     promptly to pay back to Issuer, by wire transfer of
     immediately available funds, the amount of such excess.

               22.  Waiver and Amendment.  Any provision of this
     Agreement may be waived at any time by the party that is
     entitled to the benefits of such provision.  This Agreement
     may not be modified, amended, altered or supplemented except
     upon the execution and delivery of a written agreement
     executed by the parties hereto.

               23.  Entire Agreement; No Third-Party
     Beneficiaries.  Except as otherwise expressly provided
     herein or in the Merger Agreement, this Agreement (and the
     Merger Agreement and the other documents and instruments
     referred to herein and therein) contains the entire
     agreement between the parties with respect to the
     transactions contemplated hereunder and supersedes all prior
     arrangements or understandings with respect thereof, written
     or oral.  Nothing in this Agreement, expressed or implied,
     is intended to confer upon any party, other than the parties
     hereto, and their respective successors and permitted
     assigns, any rights, remedies, obligations or liabilities






          <PAGE>101

     under or by reason of this Agreement, except as expressly
     provided herein.

               IN WITNESS WHEREOF, each of the parties has caused
     this Agreement to be executed on its behalf by its officers
     thereunto duly authorized, all as of the day and year first
     above written.


                                   NATIONAL AUSTRALIA BANK
                                   LIMITED A.C.N. 004044937,

                                     by
                                     /s/ Bruce S. McComish
                                       ------------------------
                                       Name: Bruce S. McComish
                                       Title: Chief Financial
                                              Officer


                                   MNC ACQUISITION CO.

                                     by
                                     /s/ Bruce S. McComish
                                     -------------------------
                                     Name: Bruce S. McComish
                                     Title: Chairman, President
                                            and Chief Executive
                                            Officer
    

                                   MICHIGAN NATIONAL CORPORATION

                                     by
                                     /s/ Robert J. Mylod
                                     ----------------------------
                                     Name: Robert J. Mylod
                                     Title: Chairman and Chief
                                            Executive Officer






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