INDEPENDENT BANK CORP /MI/
10-Q, 1999-05-14
STATE COMMERCIAL BANKS
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<PAGE>   1

                       SECURITIES AND EXCHANGE COMMISSION
                             WASHINGTON, D.C. 20549

                                    FORM 10-Q

QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE 
ACT OF 1934 FOR THE QUARTERLY PERIOD ENDED MARCH 31, 1999

Commission file number   0-7818     
                      ---------
                          INDEPENDENT BANK CORPORATION
 -----------------------------------------------------------------------------
             (Exact name of registrant as specified in its charter)

     Michigan                                           38-2032782
- -----------------------------------  -----------------------------------------
(State or jurisdiction of                    (I.R.S. Employer Identification
Incorporation or Organization)                Number)

            230 West Main Street, P.O. Box 491, Ionia, Michigan 48846
- ------------------------------------------------------------------------------
                    (Address of principal executive offices)

                                 (616) 527-9450
                                 --------------
              (Registrant's telephone number, including area code)

                                      NONE
- ------------------------------------------------------------------------------
       Former name, address and fiscal year, if changed since last report.

     Indicate by check mark whether the registrant (1) has filed all documents
and reports required to be filed by Sections 13 or 15(d) of the Securities
Exchange Act of 1934 during the preceding 12 months (or for such shorter period
that the registrant was required to file such reports), and (2) has been subject
to such filing requirements for the past 90 days. YES X   NO
                                                     ---    ---

     Indicate the number of shares outstanding of each of the issuer's classes
of common stock, as of the latest practicable date.

       Class                                Outstanding at May 10, 1999      
- ---------------------------------  -------------------------------------------
  Common stock, par value $1                      7,448,683


<PAGE>   2


                  INDEPENDENT BANK CORPORATION AND SUBSIDIARIES

                                      INDEX

<TABLE>
<CAPTION>

                                                                                                  Page
                                                                                                Number(s)
                                                                                                ---------
<S>              <C>                                                                               <C>
PART I -          Financial Information
Item 1.           Consolidated Statements of Financial Condition
                    March 31, 1999 and December 31, 1998                                            2

                  Consolidated Statements of Operations
                    Three-month periods ended March 31, 1999 and 1998                               3

                  Consolidated Statements of Cash Flows
                    Three-month periods ended March 31, 1999 and 1998                               4

                  Consolidated Statements of Shareholders' Equity
                    Three-month periods ended March 31, 1999 and 1998                               5

                  Notes to Interim Consolidated Financial Statements
                    Three-month periods ended March 31, 1999 and 1998                               6-8

Item 2.           Management's Discussion and Analysis of Financial
                    Condition and Results of Operations                                             9-18

Item 3.           Quantitative and Qualitative Disclosures about Market Risk                        18

PART II -         Other Information

Item 6.           Exhibits & Reports on Form 8-K                                                    19
</TABLE>


<PAGE>   3


                                     Part I.
                  INDEPENDENT BANK CORPORATION AND SUBSIDIARIES
                 Consolidated Statements of Financial Condition

<TABLE>
<CAPTION>

                                                                               March 31,         December 31,
                                                                                 1999                1998
                                                                            ----------------  -----------------
Assets                                                                        (unaudited)
                                                                            ----------------  -----------------
<S>                                                                         <C>                <C>             
Cash and due from banks                                                     $     33,174,000   $     42,846,000
Securities available for sale                                                     88,793,000         99,515,000
Securities held to maturity (Fair value of $16,674,000 at March
  31, 1999; $19,029,000 at December 31, 1998)                                     16,100,000         18,349,000
Federal Home Loan Bank stock, at cost                                             12,589,000         12,589,000
Loans held for sale                                                               29,564,000         39,741,000
Loans
  Commercial and agricultural                                                    245,457,000        238,863,000
  Real estate mortgage                                                           439,969,000        449,114,000
  Installment                                                                    137,317,000        134,627,000
                                                                            ----------------   ----------------
                                                               Total Loans       822,743,000        822,604,000
  Allowance for loan losses                                                       (9,989,000)        (9,714,000)
                                                                            ----------------   ----------------
                                                                 Net Loans       812,754,000        812,890,000
Property and equipment, net                                                       28,379,000         27,255,000
Accrued income and other assets                                                   33,187,000         32,073,000
                                                                            ----------------   ----------------
                                                              Total Assets  $  1,054,540,000   $  1,085,258,000
                                                                            ================   ================
Liabilities and Shareholders' Equity
Deposits
  Non-interest bearing                                                      $     98,293,000   $    112,930,000
  Savings and NOW                                                                382,744,000        377,592,000
  Time                                                                           335,418,000        339,992,000
                                                                            ----------------   ----------------
                                                            Total Deposits       816,455,000        830,514,000
Federal funds purchased                                                           16,100,000         22,650,000
Other borrowings                                                                 118,823,000        130,964,000
Guaranteed preferred beneficial interests in Company's subordinated
  debentures                                                                      17,250,000         17,250,000
Accrued expenses and other liabilities                                            14,038,000         14,175,000
                                                                            ----------------   ----------------
                                                         Total Liabilities       982,666,000      1,015,553,000
                                                                            ----------------   ----------------
Shareholders' Equity
  Preferred stock, no par value--200,000 shares authorized; none
    outstanding
  Common stock, $1.00 par value--14,000,000 shares authorized;
    issued and outstanding:  7,426,991 shares at March 31, 1999
    and 7,382,506 shares at December 31, 1998                                      7,427,000          7,383,000
  Capital surplus                                                                 38,464,000         37,658,000
  Retained earnings                                                               24,474,000         22,749,000
  Accumulated other comprehensive income                                           1,509,000          1,915,000
                                                                            ----------------   ----------------
                                                Total Shareholders' Equity        71,874,000         69,705,000
                                                                            ================   ----------------
                                Total Liabilities and Shareholders' Equity  $  1,054,540,000   $  1,085,258,000
                                                                            ================   ================
</TABLE>


See notes to interim consolidated financial statements.

                                       2
<PAGE>   4


                  INDEPENDENT BANK CORPORATION AND SUBSIDIARIES
                      Consolidated Statements of Operations

<TABLE>
<CAPTION>

                                                                                      Three Months Ended
                                                                                           March 31,
                                                                                      1999           1998
                                                                                  -------------- --------------
                                                                                          (unaudited)
                                                                                  -----------------------------
<S>                                                                               <C>            <C>        
Interest Income
  Interest and fees on loans                                                      $ 19,508,000   $ 18,383,000
  Securities
    Taxable                                                                          1,067,000      1,479,000
    Tax-exempt                                                                         823,000        609,000
  Other investments                                                                    249,000        247,000
                                                                                  ------------    -----------
                                                           Total Interest Income    21,647,000     20,718,000
                                                                                  ------------    -----------
Interest Expense
  Deposits                                                                           6,444,000      5,839,000
  Other borrowings                                                                   2,334,000      3,119,000
                                                                                  ------------    -----------
                                                          Total Interest Expense     8,778,000      8,958,000
                                                                                  ------------    -----------
                                                             Net Interest Income    12,869,000     11,760,000
Provision for loan losses                                                              525,000        633,000
                                                                                  ------------    -----------
                             Net Interest Income After Provision for Loan Losses    12,344,000     11,127,000
                                                                                  ------------    -----------
Non-interest Income
  Service charges on deposit accounts                                                1,038,000        823,000
  Net gains on asset sales
    Real estate mortgage loans                                                       1,248,000        907,000
    Securities                                                                          14,000        137,000
  Other income                                                                       1,391,000        761,000
                                                                                  ------------    -----------
                                                       Total Non-interest Income     3,691,000      2,628,000
                                                                                  ------------    -----------
Non-interest Expense
  Salaries and employee benefits                                                     6,810,000      5,911,000
  Occupancy, net                                                                       870,000        699,000
  Furniture and fixtures                                                               745,000        579,000
  Other expenses                                                                     3,721,000      3,142,000
                                                                                  ------------    -----------
                                                      Total Non-interest Expense    12,146,000     10,331,000
                                                                                  ------------    -----------
                                                Income Before Federal Income Tax     3,889,000      3,424,000
Federal income tax expense                                                           1,124,000        991,000
                                                                                  ------------    -----------
                                                                      Net Income  $  2,765,000    $ 2,433,000
                                                                                  ============    ===========

Net income per common share
  Basic                                                                           $        .37    $       .33
  Diluted                                                                                  .37            .33
Dividends Per Common Share
  Declared                                                                        $       .140    $      .124
  Paid                                                                                    .130           .117
</TABLE>

 See notes to interim consolidated financial statements.

                                       3

<PAGE>   5


                  INDEPENDENT BANK CORPORATION AND SUBSIDIARIES
                      Consolidated Statements of Cash Flows

<TABLE>
<CAPTION>

                                                                                     Three months ended
                                                                                         March 31,
                                                                                   1999            1998
                                                                              --------------- ---------------
                                                                                       (unaudited)
                                                                              -------------------------------
<S>                                                                           <C>               <C>         
Net Income                                                                    $     2,765,000   $  2,433,000
                                                                              ---------------   ------------
Adjustments to Reconcile Net Income
  to Net Cash from Operating Activities
    Proceeds from sales of loans held for sale                                     74,186,000     58,421,000
    Disbursements for loans held for sale                                         (62,761,000)   (78,914,000)
    Provision for loan losses                                                         525,000        633,000
    Deferred loan fees                                                                 14,000         70,000
    Amortization of intangible assets                                                 442,000        379,000
    Depreciation and amortization of premiums and accretion of
      discounts on securities and loans                                               777,000        664,000
    Net gains on sales of real estate mortgage loans                               (1,248,000)      (907,000)
    Net gains on sales of securities                                                  (14,000)      (137,000)
    Increase in accrued income and other assets                                    (1,556,000)      (652,000)
    Increase in accrued expenses and other liabilities                                617,000      2,187,000
                                                                              ---------------   ------------
                                                           Total Adjustments       10,982,000    (18,256,000)
                                                                              ---------------   ------------
                                          Net Cash from Operating Activities       13,747,000    (15,823,000)
                                                                              ---------------   ------------

Cash Flow from Investing Activities
  Proceeds from the sale of securities available for sale                             267,000      4,366,000 
  Proceeds from the maturity of securities available for sale                       7,000,000      3,027,000
  Proceeds from the maturity of securities held to maturity                         2,255,000      1,034,000
  Principal payments received on securities available for sale                      4,398,000      3,341,000
  Principal payments received on securities held to maturity                          306,000        621,000
  Purchases of securities available for sale                                       (1,817,000)    (2,232,000)
  Principal payments on portfolio loans purchased                                   3,995,000      4,830,000
  Portfolio loans made to customers, net of principal payments received            (4,398,000)    (2,065,000)
  Capital expenditures                                                             (1,909,000)    (1,417,000)
                                                                              ---------------   ------------
                                          Net Cash from Investing Activities       10,097,000     11,505,000
                                                                              ---------------   ------------
Cash Flow from Financing Activities
  Net increase (decrease) in total deposits                                       (14,059,000)    10,284,000
  Net decrease in short-term borrowings                                            (7,191,000)    (4,371,000)
  Proceeds from Federal Home Loan Bank advances                                                   11,000,000
  Payments of Federal Home Loan Bank advances                                     (11,000,000)   (11,000,000)
  Retirement of long-term debt                                                       (500,000)      (500,000)
  Dividends paid                                                                     (960,000)      (848,000)
  Proceeds from issuance of common stock                                              194,000        227,000
                                                                              ---------------   ------------
                                          Net Cash from Financing Activities      (33,516,000)     4,792,000
                                                                              ---------------   ------------
                        Net Increase (Decrease) in Cash and Cash Equivalents       (9,672,000)       474,000
Cash and Cash Equivalents at Beginning of Period                                   42,846,000     30,371,000
                                                                              ---------------   ------------
                                  Cash and Cash Equivalents at End of Period  $    33,174,000   $ 30,845,000
                                                                              ===============   ============

Cash paid during the period for
  Interest                                                                    $     8,703,000   $  8,932,000
  Income taxes                                                                                       200,000
Transfer of loans to other real estate                                                642,000        399,000

</TABLE>

See notes to interim consolidated financial statements

                                       4
<PAGE>   6


                  INDEPENDENT BANK CORPORATION AND SUBSIDIARIES
                 Consolidated Statements of Shareholders' Equity

<TABLE>
<CAPTION>

                                                                                   Three months ended
                                                                                        March 31,
                                                                                  1999            1998
                                                                              --------------  -------------
                                                                                         (unaudited)
                                                                              -----------------------------
<S>                                                                           <C>             <C>          
Balance at beginning of period                                                $  69,705,000   $  59,516,000
  Net income                                                                      2,765,000       2,433,000
  Cash dividends declared                                                        (1,040,000)       (902,000)
  Issuance of common stock                                                          850,000       1,129,000
  Net change in unrealized gain on securities
    available for sale, net of related tax effect (note 4)                         (406,000)        (62,000)
                                                                              -------------   -------------
Balance at end of period                                                      $  71,874,000   $  62,114,000
                                                                              =============   ==============
</TABLE>


See notes to interim consolidated financial statements.

                                       5

<PAGE>   7

               NOTES TO INTERIM CONSOLIDATED FINANCIAL STATEMENTS
                                   (unaudited)

1. In the opinion of management of the Registrant, the accompanying unaudited
consolidated financial statements contain all the adjustments (consisting only
of normal recurring accruals) necessary to present fairly the consolidated
financial condition of the Registrant as of March 31, 1999 and December 31,
1998, and the results of operations for the three-month periods ended March 31,
1999 and 1998.

2. Management's assessment of the allowance for loan losses is based on an
evaluation of the loan portfolio, recent loss experience, current economic
conditions and other pertinent factors. Loans on non-accrual status, past due
more than 90 days, or restructured amounted to $5,370,000 at March 31, 1999, and
$6,641,000 at December 31, 1998. (See Management's Discussion and Analysis of
Financial Condition and Results of Operations).

3. The provision for income taxes represents federal income tax expense
calculated using annualized rates on taxable income generated during the
respective periods.

4. The Registrant adopted Statement of Financial Accounting Standards, No. 130,
"Reporting Comprehensive Income", (SFAS #130) effective January 1, 1998. SFAS
#130 establishes standards for reporting and displaying comprehensive income and
its components, including but not limited to unrealized gains and losses on
securities available for sale.

       Comprehensive income for the three-month periods ending March 31 follows:

<TABLE>
<CAPTION>

                                                                                   Three months ended
                                                                                        March 31,
                                                                                    1999             1998
                                                                             ---------------   -------------
<S>                                                                             <C>             <C>         
      Net income                                                                $  2,765,000    $  2,433,000
      Net change in unrealized gain on securities available for sale,
        net of related tax effect                                                   (406,000)        (62,000)
                                                                                ============    ============
      Comprehensive income                                                      $  2,359,000    $  2,371,000
                                                                                ============    ============
</TABLE>


5. The Registrant adopted Statement of Financial Accounting Standards, No. 131,
"Disclosures about Segments of an Enterprise and Related Information", (SFAS
#131) on January 1, 1998. SFAS #131 establishes standards for the way that
public entities report information about operating segments in financial
statements.

The Registrant's reportable segments are based upon legal entities. The
Registrant has four reportable segments: Independent Bank ("IB"), Independent
Bank West Michigan ("IBWM"), Independent Bank South Michigan ("IBSM") and
Independent Bank East Michigan ("IBEM"). The Registrant evaluates performance
based principally on net income of the respective reportable segments.

                                       6

<PAGE>   8


         NOTES TO INTERIM CONSOLIDATED FINANCIAL STATEMENTS (continued)
                                   (unaudited)

A summary of selected financial information for the Registrant's reportable
segments at March 31, follows:

<TABLE>
<CAPTION>

                                     IB          IBWM         IBSM         IBEM         OTHER(1)       TOTAL
                               -------------------------------------------------------------------------------
                                                           (in thousands)
<S>                              <C>          <C>          <C>          <C>           <C>         <C>        
1999
  Total assets                   $ 358,112    $ 268,308    $ 161,955    $ 260,757     $  5,408    $ 1,054,540
  Interest income                    7,217        6,207        3,357        4,861            5         21,647
  Net interest income                4,466        3,875        2,068        3,022         (562)        12,869
  Provision for loan losses            150          135           90          150                         525
  Income (loss) before
    Income tax                       1,667        1,436          793          905         (912)         3,889
  Net income (loss)                  1,150          989          577          680         (631)         2,765



1998
  Total assets                   $ 342,843    $ 247,351    $ 157,810    $ 238,725     $  6,406    $   993,135
  Interest income                    6,954        5,791        3,324        4,644            5         20,718
  Net interest income                4,122        3,584        1,890        2,766         (602)        11,760
  Provision for loan losses            165          195           75          198                         633
  Income (loss) before
    Income tax                       1,573        1,327          755          774       (1,005)         3,424
  Net income (loss)                  1,087          929          548          551         (682)         2,433
</TABLE>


(1) Includes items relating to the Registrant and certain insignificant
    operations.

6. A reconciliation of basic and diluted earnings per share for the three-month
periods ending, March 31 follows:

<TABLE>
<CAPTION>

                                                                                    Three months ended
                                                                                        March 31,
                                                                                     1999           1998
                                                                                 -------------  -------------

<S>                                                                              <C>            <C>         
       Net income                                                                $  2,765,000   $  2,433,000
                                                                                 ============   ============

       Shares outstanding (Basic) (1)                                               7,411,000      7,264,000
         Effect of dilutive securities - stock options                                 62,000         94,000
                                                                                 ------------   ------------
                Shares outstanding (Diluted)                                        7,473,000      7,358,000
                                                                                 ============   ============
       Earnings per share
         Basic                                                                   $        .37   $        .33
         Diluted                                                                          .37            .33
</TABLE>

       (1) Shares outstanding have been adjusted for a three-for-two stock
           split and a 5% stock dividend in 1998.


                                       7

<PAGE>   9





         NOTES TO INTERIM CONSOLIDATED FINANCIAL STATEMENTS (continued)
                                   (unaudited)

7. The Financial Accounting Standards Board adopted Statement of Financial
Accounting Standards, No. 133, "Accounting for Derivative Instruments and
Hedging Activities", ("SFAS #133") in June 1998.

SFAS #133 requires companies to record derivatives on the balance sheet as
assets and liabilities measured at fair value. The accounting for increases and
decreases in the value of those derivatives will depend upon the use of those
derivatives and whether or not they qualify for hedge accounting.

This statement is effective for all fiscal quarters of fiscal years beginning
after June 15, 1999 with earlier application allowed and is to be applied
prospectively. The adoption of this statement is not expected to have a material
impact on the Registrant's financial statements.

8. The results of operations for the three-month period ended March 31, 1999,
are not necessarily indicative of the results to be expected for the full year.


                                     8





<PAGE>   10

                      MANAGEMENT'S DISCUSSION AND ANALYSIS
                OF FINANCIAL CONDITION AND RESULTS OF OPERATIONS

Management's discussion and analysis of financial condition and results of
operations contains forward-looking statements within the meaning of the Private
Securities Litigation Reform Act of 1995. Actual results could differ materially
from those projected in such forward-looking statements.

The following section presents additional information that may be necessary to
assess the financial condition and results of operations of the Registrant and
its subsidiary banks (the "Banks"). This section should be read in conjunction
with the consolidated financial statements contained elsewhere in this report as
well as the Registrant's 1998 Annual Report on Form 10-K.


                              FINANCIAL CONDITION

SUMMARY Assets totaled $1,054.5 million at March 31, 1999. The $30.8 million
decline in total assets from $1,085.3 million at December 31, 1998, principally
reflects a $13.0 million decrease in the Bank's securities portfolios as well as
a $10.2 million decrease in loans held for sale. (See "Securities.") Loans,
excluding loans held for sale ("Portfolio Loans"), were largely unchanged from
December 31, 1998, as an increase in commercial and agricultural loans largely
offset a decline in real estate mortgage loans. (See "Asset/liability
management.")

Deposits totaled $816.5 million at March 31, 1999, compared to $830.5 million at
December 31, 1998. The $14.0 million decline in total deposits principally
reflects the cash management needs of the Banks' corporate and municipal
depositors. (See "Deposits and borrowings.")

SECURITIES The Banks maintain diversified securities portfolios that include
obligations of the U.S. Treasury and government-sponsored agencies as well as
securities issued by states and political subdivisions, corporate notes and
mortgage-backed securities. Management continually evaluates the Banks'
asset/liability management needs and attempts to maintain a portfolio structure
that provides sufficient liquidity and cash flow. (See "Asset/liability
management.")

  SECURITIES

<TABLE>
<CAPTION>

                                                               Unrealized
                                                       ----------------------------
                                      Amortized                                            Fair
                                         Cost             Gains           Losses          Value
                                     --------------   --------------   -------------   -------------
                                                             (in thousands)
<S>                                       <C>               <C>                 <C>        <C>     
  Securities available for sale
    March 31, 1999                        $ 86,471          $ 2,322             $ 0        $ 88,793
    December 31, 1998                       96,614            2,948              47          99,515  

  Securities held to maturity                                                                        
    March 31, 1999                        $ 16,100          $   576             $ 2        $ 16,674
    December 31, 1998                       18,349              688               8          19,029
</TABLE>


The sale of securities available for sale is dependent upon Management's
assessment of reinvestment opportunities and the Banks' asset/liability
management needs. As a result of such ongoing evaluations, the Banks sold
securities with an aggregate market value of approximately 

                                       9
<PAGE>   11


$267,000 during the three-month period ended March 31, 1999, compared to $4.4
million during the comparable period in 1998. The Banks realized net gains on
the sale of such securities totaling $14,000 and $137,000 during the three
months ended March 31, 1999 and 1998, respectively.

SALES OF SECURITIES AVAILABLE FOR SALE

<TABLE>
<CAPTION>

                                                           Three months ended
                                                                March 31,
                                                         1999              1998
                                                      -----------      -------------

<S>                                                    <C>              <C>        
                 Proceeds                              $ 267,000        $ 4,366,000
                                                       =========        ===========

                 Gross gains                             $14,000           $137,000
                 Gross losses
                                                       ---------        -----------
                    Net Gains (losses)                   $14,000           $137,000
                                                       =========        ===========
</TABLE>


ASSET QUALITY Management believes that the Registrant's decentralized structure
provides important advantages in serving the credit needs of the Banks'
principal lending markets. In addition to the communities served by the Banks'
branch networks, principal lending markets include nearby communities and
metropolitan areas. Subject to established underwriting criteria, the Banks also
participate in commercial lending transactions with certain non-affiliated banks
and may also purchase real estate mortgage loans from third-party originators.

Although the Management and Board of Directors of each Bank retain authority and
responsibility for credit decisions, each of the Banks has adopted uniform
underwriting standards. Further, the Registrant's loan committee as well as the
centralization of commercial loan credit services and loan review functions
promote compliance with such established underwriting standards. The
centralization of retail loan services also provides for consistent service
quality and facilitates compliance with consumer protection laws and
regulations.

         NON-PERFORMING ASSETS

<TABLE>
<CAPTION>

                                                                  March 31,          December 31,
                                                                    1999                 1998
                                                              ---------------    -----------------
<S>                                                              <C>                  <C>        
         Non-accrual loans                                       $ 3,276,000          $ 4,106,000
         Loans 90 days or more past due and
           still accruing interest                                 1,814,000            2,240,000
         Restructured loans                                          280,000              295,000
                                                                 -----------          -----------
                                   Total non-performing loans      5,370,000            6,641,000
         Other real estate                                         1,578,000              936,000
                                                                 ===========          ===========
                                  Total non-performing assets    $ 6,948,000          $ 7,577,000
                                                                 ===========          ===========


         As a percent of Portfolio Loans
           Non-performing loans                                      0.65 %                0.81 %
           Non-performing assets                                     0.84                  0.92
           Allowance for loan losses                                 1.21                  1.18
         Allowance for loan losses as a percent of
           non-performing loans                                       186                   146
</TABLE>

                                       10
<PAGE>   12


Impaired loans totaled approximately $3,400,000 at March 31, 1999. At that same
date, certain impaired loans with a balance of approximately $1,400,000, had
specific allocations of the allowance for loan losses calculated in accordance
with Statement of Financial Accounting Standards #114 totaling approximately
$300,000. The Banks' average investment in impaired loans was approximately
$3,400,000, for the three-month period ending March 31, 1999. Cash receipts on
impaired loans on non-accrual status are generally applied to the principal
balance. Interest recognized on impaired loans during that three-month period
was approximately $40,000.

Loans charged against the allowance for loan losses, net of recoveries, were
equal to .12% of average loans during the three months ended March 31, 1999,
compared to .18% during the comparable period of 1998.

          ALLOWANCE FOR LOAN LOSSES

<TABLE>
<CAPTION>

                                                                        Three months ended
                                                                            March 31,
                                                                      1999              1998
                                                                 ---------------    --------------
<S>                                                                  <C>               <C>       
          Balance at beginning of period                             $9,714,000        $7,670,000
          Additions (deduction)
            Provision charged to operating expense                      525,000           633,000
            Recoveries credited to allowance                            162,000           119,000
            Loans charged against the allowance                        (412,000)         (447,000)
                                                                     ==========        ==========
          Balance at end of period                                   $9,989,000        $7,975,000
                                                                     ==========        ==========

         Net loans charged against the allowance to
           average Portfolio Loans (annualized)                            0.12%             0.18%
</TABLE>


Management's assessment of the allowance for loan losses is based on the
composition of the loan portfolio, an evaluation of specific credits, historical
loss experience as well as the level of non-performing and impaired loans. Based
upon such assessment, Management does not believe there has been a material
change in the adequacy of the allowance for loan losses. (See "Provision for
loan losses.")

DEPOSITS AND BORROWINGS The Banks' competitive position within many of the
markets served by the branch networks limits the ability to materially increase
deposits without adversely impacting the weighted-average cost of core deposits.
Accordingly, Management employs pricing tactics that are intended to enhance the
value of core deposits and the Banks' have implemented funding strategies that
incorporate other borrowings and brokered certificates of deposits ("Brokered
CDs") to finance a portion of the Portfolio Loans. The use of such alternate
sources of funds is also an integral part of the Banks' asset/liability
management efforts.

<TABLE>
<CAPTION>

                                                    March 31, 1999                  December 31, 1998
                                            -------------------------------  ---------------------------------
                                                       Average                          Average
                                             Amount   Maturity     Rate       Amount    Maturity     Rate
                                             ------   --------     ----       ------    --------     ----
                                                                (dollars in thousands)

<S>                                         <C>       <C>          <C>       <C>        <C>          <C>  
Brokered CDs                                $52,905   5.1 years    5.71%     $54,885    4.4 years    5.64%
Fixed rate FHLB advances                     50,569   3.3 years    5.75       50,569    3.5 years    5.75
Variable rate FHLB advances                  57,500   0.4 years    5.05       68,500    0.5 years    5.21
</TABLE>

                                       11
<PAGE>   13


Other borrowed funds, principally advances from the Federal Home Loan Bank (the
"FHLB"), decreased to $118.8 million at March 31, 1999, from $131.0 million at
December 31, 1998. To diversify the Banks' funding sources, the Banks also
employ Brokered CDs. Brokered CDs totaled $52.9 million and $54.9 million at
March 31, 1999 and December 31, 1998, respectively.

INTEREST-RATE DERIVATIVE FINANCIAL INSTRUMENTS

<TABLE>
<CAPTION>

                                                                                                 SWAPS
                                                                                -----------------------------------------
                                             CAPS                COLLARS             PAY FIXED          PAY VARIABLE
- -------------------------------------------------------------------------------------------------------------------------
                                                                    (dollars in thousands)
<S>                                         <C>                  <C>                  <C>                  <C>    
Notional amount                             $   26,000           $   10,000           $   58,500           $   29,000
Weighted-average maturity                    1.0 years            1.5 years            2.9 years            8.9 years
Cap strike                                        6.69%                6.42%
Floor strike                                                           5.71
Rate paying                                                                                 5.29%                5.18%
Rate receiving                                                                              5.00                 5.91
Premium paid                                $      246
Annual cost                                        .26%
Amortized cost                              $       76
Fair value                                           9           $      (85)           $      89           $     (567)
</TABLE>


Derivative financial instruments are employed to reduce the cost of alternate
funding sources and manage the Banks' exposure to changes in interest rates.
(See "Asset/liability management.") At March 31, 1999, the Company employed
interest-rate caps and collars with a notional amount of $26.0 million and $10.0
million, respectively. The Banks also employed interest-rate swaps with an
aggregate notional amount of $87.5 million.


LIQUIDITY AND CAPITAL RESOURCES Effective management of the Registrant's capital
resources is critical to Management's mission to create value for the
Registrant's shareholders. To profitably deploy capital within existing markets,
the Banks have implemented balance sheet management strategies that combine
effective loan origination efforts with disciplined funding strategies. Although
the Banks' balance sheet management strategies provide profitable opportunities
to leverage the balance sheet, Management believes that its acquisition strategy
may provide greater value to the Registrant's shareholders.

The Registrant's cost of capital is also an important factor in creating
shareholder value. Accordingly, the Registrant's capital structure includes
unsecured debt and Preferred Securities.

       CAPITALIZATION

<TABLE>
<CAPTION>

                                                                    March 31,        December 31,
                                                                      1999               1998
                                                                ------------------ ------------------
<S>                                                                   <C>                <C>        
       Unsecured debt                                                 $ 9,500,000        $10,000,000
       Preferred Securities                                            17,250,000         17,250,000
       Shareholders' Equity
         Preferred stock, no par value
         Common Stock, par value $1.00 per share                        7,427,000          7,383,000
         Capital surplus                                               38,464,000         37,658,000
         Retained earnings                                             24,474,000         22,749,000
         Accumulated other comprehensive income                         1,509,000          1,915,000
                                                                      -----------        -----------
                 Total shareholders' equity                            71,874,000         69,705,000
                                                                      ----------         -----------
                 Total capitalization                                 $98,624,000        $96,955,000
                                                                      ===========        ===========
</TABLE>

                                       12
<PAGE>   14


Shareholders' equity totaled $71.9 million at March 31, 1999. In addition to the
retention of earnings, the $2.2 million increase from $69.7 million at December
31, 1998, reflects the issuance of common stock pursuant to various equity-based
incentive compensation plans. Shareholders' equity was equal to 6.82% of total
assets at March 31, 1999, compared to 6.42% at December 31, 1998.

          CAPITAL RATIOS

<TABLE>
<CAPTION>

                                                                 March 31, 1999      December 31, 1998
                                                               ------------------- ----------------------
<S>                                                                <C>                    <C>  
          Equity capital                                              6.82%                  6.42%
          Average shareholders equity to average assets(1)            6.73                   6.42
          Tier 1 leverage (tangible equity capital)                   6.70                   6.23
          Tier 1 risk-based capital                                   9.18                   8.72
          Total risk-based capital                                   10.43                   9.97

</TABLE>

          (1) Based on year to date average balances for the respective periods

ASSET/LIABILITY MANAGEMENT Interest-rate risk is created by differences in the
pricing characteristics of the Banks' assets and liabilities. Options embedded
in certain financial instruments, including caps on adjustable-rate loans as
well as borrowers' rights to prepay fixed-rate loans also create interest-rate
risk.

The asset/liability management efforts of the Registrant and the Banks are
intended to identify sources of interest-rate risk and to evaluate opportunities
to structure the balance sheet in a manner that is consistent with Management's
mission to maintain profitable financial leverage. The marginal cost of funds is
a principal consideration in the implementation of the Bank's balance sheet
management strategies, but such evaluations further consider interest-rate and
liquidity risk as well as other pertinent factors.

Management employs simulation analyses to monitor the Banks' interest-rate risk
profiles and evaluate potential changes in the Bank's net interest income and
market value of portfolio equity that result from changes in interest rates. At
March 31, 1999, each of the Banks was within established parameters for
interest-rate risk.

Management has determined that the retention of certain real estate mortgage
loans, generally 15- and 30-year fixed rate obligations, is inconsistent with
its goal to maintain profitable leverage or the Banks' interest-rate risk
profiles. Accordingly, the majority of such loans are sold to mitigate exposure
to changes in interest rates. Adjustable-rate and balloon real estate mortgage
loans may often be profitably funded within established risk parameters. The
retention of such loans, together with commercial and agricultural loans, has
been a principal focus of the Banks' balance sheet management strategies. (See
"Non-interest income.")


                              RESULTS OF OPERATIONS

SUMMARY Net income totaled $2,765,000 during the three months ended March 31,
1999, compared to $2,433,000 during the comparable period of 1998. The
double-digit percentage increase in earnings is principally the result of
increases in net interest income and non-interest income that were partially
offset by increases in non-interest expense.

                                       13
<PAGE>   15


Key performance ratios for the three-month periods ended March 31, 1999 and
1998, are set forth below.

          KEY PERFORMANCE RATIOS

<TABLE>
<CAPTION>

                                                                          Three months
                                                                         ended March 31,
                                                                       1999          1998
                                                                   ----------------------------
<S>                                                                   <C>           <C>  
          Net income to
            Average assets                                              1.05%         1.01%
            Average equity                                             15.66         16.06

          Earnings per common share         
            Basic                                                       $.37          $.33
            Diluted                                                      .37           .33

          Cash basis income to(A)
            Average tangible assets                                     1.21%         1.16%
            Average tangible equity                                    23.85         24.93

          Cash basis income per share(A)
            Basic                                                       $.42          $.38
            Diluted                                                      .42           .37
</TABLE>


       (A) Cash basis financial data exclude intangible assets and the related
amortization expense

NET INTEREST INCOME Tax equivalent net interest income totaled $13,336,000
during the three months ended March 31, 1999. The 10% increase from $12,112,000
during the comparable period of 1998 is principally the result of an increase in
average earning assets.

   NET INTEREST INCOME AND SELECTED RATIOS

<TABLE>
<CAPTION>

                                                                    Three months
                                                                  ended March 31,
                                                                 1999          1998
                                                              -----------   -----------
<S>                                                           <C>           <C>     
   Average earning assets (in thousands)                       $980,678      $913,329
   Tax equivalent net interest income                            13,336        12,112

   As a percent of average earning assets
       Tax equivalent interest income                            9.09 %        9.30 %
       Interest expense                                          3.63          3.98
       Tax equivalent net interest income                        5.46          5.32

   Average earning assets as a
     percent of average assets                                  92.22 %       93.27 %

   Free-funds ratio                                             10.71 %        9.82 %
</TABLE>


Average earning assets totaled $980.7 million and $913.3 million during the
three months ended March 31, 1999 and 1998, respectively. The 7% increase in
average earning assets was principally funded with deposits, excluding Brokered
CDs ("Core Deposits"). Such Core 

                                       14
<PAGE>   16


Deposits averaged $768.0 million and $687.7 million during the three months
ended March 31, 1999 and 1998, respectively. (See "Liquidity and capital
resources.")

Tax equivalent net interest income as a percent of average earnings assets ("Net
Yield") was 5.46% during the three-month period in 1999 compared to 5.32% during
the comparable period in 1998. The 14 basis point increase in Net Yield
principally reflects an increase in Core Deposits as a percentage of average
earning assets. Core Deposits were equal to 78.3% and 75.3% of average earning
assets for the three months ended March 31, 1999 and 1998, respectively.

PROVISION FOR LOAN LOSSES The provision for loan losses was $525,000 during the
three months ended March 31, 1999, compared to $633,000 during the three-month
period in 1998. The decrease in the provision reflects Management's assessment
of the allowance for loan losses based upon the composition of the loan
portfolio, an evaluation of specific credits, historical loss experience as well
as the level of non-performing and impaired loans. (See "Asset quality.")

NON-INTEREST INCOME Non-interest income totaled $3,691,000 during the three
months ended March 31, 1999, compared to $2,628,000 during the comparable period
in 1998. The $1,063,000 increase in non-interest income principally reflects
increases in net gains on the sale of real estate mortgage loans and revenues
associated with First Home Financial, Inc. An increase in service charges on
deposit accounts, real estate mortgage service fees and mutual fund and annuity
commissions also contributed to the increase in non-interest income.

          NON-INTEREST INCOME

<TABLE>
<CAPTION>

                                                                        Three months ended
                                                                            March 31,
                                                                      1999              1998
                                                                 ---------------    --------------
<S>                                                                  <C>               <C>       
         Service charges on deposit accounts                         $1,038,000        $  823,000
         Net gains on asset sales
            Real estate mortgage loans                                1,248,000           907,000
            Securities                                                   14,000           137,000
         First Home Financial                                           426,000
         Title insurance fees                                           185,000           196,000
         Real estate mortgage loan servicing                            150,000           103,000
         Mutual fund and annuity commissions                            141,000            22,000
         Other                                                          489,000           440,000
                                                                     ----------        ----------
               Total non-interest income                             $3,691,000        $2,628,000
                                                                     ==========        ==========
</TABLE>

                                       15

<PAGE>   17


Net gains on the sale of real estate mortgage loans increased to $1,248,000
during the three months ended March 31, 1999, from $907,000 during the
comparable period in 1998. Although such net gains increased as a percent of
loans sold, the $341,000 increase in such net gains principally reflect the
increase in loans sold.

<TABLE>
<CAPTION>

                                                                      Three months ended
                                                                           March 31
                                                                   1999             1998
                                                              ---------------------------------

<S>                                                               <C>             <C>         
Real estate mortgage loans originated                             $96,464,000     $118,830,000
Real estate mortgage loan sales                                    72,938,000       57,514,000
Real estate mortgage loan servicing rights sold                     5,014,000       27,373,000
Net gains on the sale of real estate mortgage loans                 1,248,000          907,000
Net gains as a percent of real estate mortgage loans sold                1.71%            1.58%
</TABLE>


The Banks capitalized approximately $535,000 and $365,000 of related servicing
rights during the three-month periods ended March 31, 1999 and 1998,
respectively. Amortization of capitalized servicing rights for those periods was
$131,000 and $83,000, respectively. The fair value of capitalized servicing
rights approximated the book value of $2,479,000 at March 31, 1999, and
therefore, no valuation allowance was considered necessary. The capitalized
servicing rights relate to approximately $382 million of loans sold and serviced
at March 31, 1999.

The volume of loans sold is dependent upon the Banks' ability to originate real
estate mortgage loans as well as the demand for fixed-rate obligations and other
loans that the Banks cannot profitably fund within established interest-rate
risk parameters. (See "Asset/liability management.") Net gains on real estate
mortgage loans are also dependent upon economic and competitive factors as well
as the Banks' ability to effectively manage exposure to changes in interest
rates. Given the $10.2 million decline in loans held for sale, together with the
absence of substantial refinance activity, net gains on the sale of real estate
mortgage loans during subsequent periods may not be commensurate with the amount
recorded during the three months ended March 31, 1999.

On April 17, 1998, the Registrant purchased the outstanding capital stock of
First Home Financial, Inc. ("FHF"), an originator of manufactured home loans.
FHF's revenues during the three months ended March 31, 1999, totaled $426,000
and account for 40% of the $1,063,000 increase in other non-interest income.

NON-INTEREST EXPENSE Non-interest expense totaled $12,146,000 during the three
months ended March 31, 1999, compared to $10,331,000 during the comparable
period in 1998. Costs associated with the operation of FHF as well as direct
mail marketing costs related to deposit account promotions account for
approximately 30% of increase in non-interest expense. Costs associated with the
operation of new branch facilities also contributed to the increase in
non-interest expense.

                                       16
<PAGE>   18


          NON-INTEREST EXPENSE

<TABLE>
<CAPTION>

                                                                        Three months ended
                                                                            March 31,
                                                                      1999              1998
                                                                 ---------------    --------------
<S>                                                                 <C>               <C>        
         Salaries                                                   $ 4,395,000       $ 3,708,000
         Performance-based compensation and benefits                  1,269,000         1,304,000
         Other benefits                                               1,146,000           899,000
                                                                    -----------       -----------
            Salaries and benefits                                     6,810,000         5,911,000
         Occupancy, net                                                 870,000           699,000
         Furniture and fixtures                                         745,000           579,000
         Computer processing                                            570,000           404,000
         Amortization of intangible assets                              442,000           379,000
         Communications                                                 462,000           383,000
         Advertising                                                    551,000           386,000
         Supplies                                                       323,000           289,000
         Loan and collection                                            389,000           254,000
         Other                                                          984,000         1,047,000
                                                                    ===========       ===========
               Total non-interest expense                           $12,146,000       $10,331,000
                                                                    ===========       ===========
</TABLE>

                              PROPOSED ACQUISITION

On March 24, 1999, the Registrant announced that it had signed a definitive
agreement to acquire Mutual Savings Bank f.s.b. ("MSB"). As a result of the
transaction, the Registrant will issue 0.80 shares of its common stock for each
share of MSB common stock, subject to certain adjustments.

The transaction is structured as a tax-free exchange of shares and is expected
to qualify as a "pooling-of-interests". The transaction is subject to approval
by the shareholders of both companies as well as regulatory agencies. The
transaction is expected to be consummated in the third quarter of 1999. The
Registrant anticipates approximately $5.0 million of one-time, pretax, merger
related charges.

The merger agreement contains a provision, which allows MSB the right to
terminate the transaction if the average price of the Registrant's common stock
falls below certain pre-determined levels prior to consummation of the
transaction. The merger agreement also provides the Registrant with an option to
purchase 19.9% of the outstanding shares of MSB's common stock under certain
specified circumstances.

At March 31, 1999, MSB had assets of $569 million, deposits of $424 million,
shareholder's equity of $36.7 million and shares outstanding of 4.3 million. It
provides banking services through a total of 22 offices and its common stock
trades on the Nasdaq Stock Market under the symbol MSBK.

                                    YEAR 2000

The Year 2000 issue refers to computer-based operating systems that were
originally designed to recognize calendar years by their last two digits ("Year
2000"). The Registrant began preparing its computer-based operating systems for
2000 during 1997 and formed a committee to address such issues. A significant
portion of the Registrant's Year 2000 issue relates to its core data processing
applications which are provided by a third-party service provider, M&I Data
Services. 

                                       17
<PAGE>   19


The Registrant completed its conversion to M&I Data Services Year 2000
compliant application software in 1998. All other material non-compliant
operating systems have been identified and are in the process of being replaced.
It is anticipated that the replacement and testing of non-compliant operating
systems will be completed during the second quarter of 1999.

Costs incurred to date have approximated $1 million, which relate primarily to
the replacement of systems and fully depreciated non-compliant personal computer
equipment. Management estimates that total costs will not exceed $1.6 million
and will not have a material impact on the consolidated financial statements. A
substantial portion of these costs represent an acceleration of expenditures to
replace or upgrade systems that will become obsolete or otherwise inadequate to
meet the Registrant's growing technology needs.

While the Registrant is not aware of any Year 2000 problems for which a solution
is not available, other unanticipated issues could arise. These unanticipated
issues may include the ability to identify and correct all relevant computer
code, the availability and cost of trained personnel, the impact of the Year
2000 on our customers and other uncertainties.


Item 3.

           QUANTITATIVE AND QUALITATIVE DISCLOSURES ABOUT MARKET RISK.

No material changes in the market risk faced by the Registrant has occurred
since December 31, 1998.


                                       18
<PAGE>   20
Item 6.  Exhibits & Reports on Form 8-K

   (a)   Exhibit Number & Description
         2.  Agreement and Plan of Reorganization between the Registrant and 
             Mutual Savings Bank, f.s.b. dated March 24, 1999
         10. Warrant Purchase agreement between Registrant and Mutual Savings 
             Bank, f.s.b. dated March 24, 1999
         11. Computation of Earnings per share
         27. Financial Data Schedule

   (b)   Reports on Form 8-K
         During the quarter ended March 31, 1999, there were no reports filed on
         Form 8-K.


                                       19

<PAGE>   21


                                   SIGNATURES

         Pursuant to the requirements of the Securities Exchange Act of 1934,
the registrant has duly caused this report to be signed on its behalf by the
undersigned thereunto duly authorized.

Date   May 14, 1999               By  /s/William R. Kohls                 
    ------------------------        ---------------------------------------
                                      William R. Kohls, Principal Financial
                                                Officer

Date   May 14, 1999               By  /s/James J. Twarozynski             
    ------------------------        ---------------------------------------
                                      James J. Twarozynski, Principal
                                                Accounting Officer


                                       20
<PAGE>   22
                                 EXHIBIT INDEX
                                 -------------


Exhibit No.     Description
- -----------     -----------

   2.          Agreement and Plan of Reorganization between the Registrant and
               Mutual Savings Bank, f.s.b. dated March 24, 1999
  10.          Warrant Purchase agreement between Registrant and Mutual Savings
               Bank, f.s.b. dated March 24, 1999
  11.          Computation of Earnings per share
  27.          Financial Data Schedule


                                       21

<PAGE>   1
                                                                    EXHIBIT 2



                      AGREEMENT AND PLAN OF REORGANIZATION


                                     BETWEEN


                          INDEPENDENT BANK CORPORATION

                                       AND

                           MUTUAL SAVINGS BANK, F.S.B.
















                                        
<PAGE>   2



                                TABLE OF CONTENTS
<TABLE>

                                                                                                               PAGE
                                                                                                               ----

<S>                                                                                                              <C>
RECITALS .........................................................................................................1

ARTICLE I
         CONSOLIDATION............................................................................................1
         1.1      Formation of New Bank...........................................................................1
         1.2      Execution of Consolidation Agreement............................................................1
         1.3      Name of Consolidated Bank.......................................................................2
         1.4      Business of Consolidated Bank...................................................................2
         1.5      The Closing.....................................................................................2
         1.6      Conversion of Shares............................................................................2
         1.7      IBC Common Stock................................................................................5

ARTICLE II
         REPRESENTATIONS AND WARRANTIES OF IBC....................................................................5
         2.1      Organization and Good Standing..................................................................5
         2.2      Subsidiaries....................................................................................5
         2.3      Capitalization..................................................................................5
         2.4      Authorizations..................................................................................6
         2.5      Financial Statements............................................................................6
         2.6      Absence of Undisclosed Liabilities..............................................................7
         2.7      Loan Guarantees and Loss Reserves...............................................................7
         2.8      Title to Properties.............................................................................7
         2.9      Governmental Regulation.........................................................................7
         2.10     Absence of Litigation...........................................................................7
         2.11     Reports and SEC Documents.......................................................................8
         2.12     Tax Matters.....................................................................................9
         2.13     Conduct........................................................................................10
         2.14     Compliance with Laws...........................................................................10
         2.15     Brokerage Fees.................................................................................11
         2.16     Contracts......................................................................................11
         2.17     Duties as Fiduciary............................................................................12
         2.18     Insurance......................................................................................12
         2.19     Books and Records..............................................................................12
         2.20     Employee Benefit Plans and Other Employee Matters..............................................12
         2.21     Environmental Liability........................................................................14
         2.22     Community Reinvestment Act Compliance..........................................................15
         2.23     Statements True and Correct....................................................................15
         2.24     Tax, Regulatory, and Pooling Matters...........................................................15
         2.25     Year 2000......................................................................................16
</TABLE>

                                        i

<PAGE>   3


<TABLE>
<S>                                                                                                             <C>

         2.26     "Material" Defined.............................................................................16
                  ------------------

ARTICLE III
         REPRESENTATIONS AND WARRANTIES OF MSB...................................................................16
         3.1      Organization and Good Standing.................................................................16
         3.2      Subsidiaries...................................................................................16
         3.3      Capitalization.................................................................................17
         3.4      Authorizations.................................................................................17
         3.5      Financial Statements...........................................................................17
         3.6      Absence of Undisclosed Liabilities.............................................................18
         3.7      Loan Guarantees and Loss Reserves..............................................................18
         3.8      Title to Properties............................................................................18
         3.9      Governmental Regulation........................................................................18
         3.10     Absence of Litigation..........................................................................19
         3.11     Reports and Securities Documents...............................................................19
         3.12     Tax Matters....................................................................................20
         3.13     Conduct........................................................................................21
         3.14     Compliance with Laws...........................................................................22
         3.15     Brokerage Fees.................................................................................22
         3.16     Contracts......................................................................................23
         3.17     Duties as Fiduciary............................................................................23
         3.18     Insurance......................................................................................23
         3.19     Books and Records..............................................................................23
         3.20     Employee Benefit Plans and Other Employee Matters..............................................24
         3.21     Environmental Liability........................................................................26
         3.22     Community Reinvestment Act Compliance..........................................................26
         3.23     Statements True and Correct....................................................................26
         3.24     Tax, Regulatory, and Pooling Matters...........................................................27
         3.25     Year 2000......................................................................................27
         3.26     "Material" Defined.............................................................................27
         3.27     Stock Transactions.............................................................................27
         3.28     Disclosure of Deeds, Leases, Agreements, Etc...................................................28
         3.29     Takeover Laws..................................................................................28
         3.30     Charter Provisions.............................................................................28
         3.31     Indemnification................................................................................29

ARTICLE IV
         CERTAIN COVENANTS.......................................................................................29
         4.1      Material Adverse Changes.......................................................................29
         4.2      Reports........................................................................................29
         4.3      Registration Statement; Proxy Statement/Prospectus; Shareholder Approvals......................29
         4.4      Applications...................................................................................31
         4.5      Agreement as to Efforts to Consummate..........................................................31
</TABLE>

                                       ii

<PAGE>   4
<TABLE>

        <S>       <C>                                                                                           <C>
         4.6      Investigation and Confidentiality..............................................................31
         4.7      Press Releases.................................................................................32
         4.8      Tax and Accounting Treatment...................................................................32
         4.9      Survival of Representations and Warranties.....................................................32
         4.10     Affirmative Covenants Regarding Conduct of MSB's Business 
                  Pending Effective Time.........................................................................32
         4.11     Negative Covenants Regarding Conduct of MSB's Business 
                  Pending Effective Time.........................................................................33
         4.12     Affiliate Agreements...........................................................................36
         4.13     Certain Policies of MSB........................................................................36
         4.14     Employee Benefits and Contracts................................................................36
         4.15     Indemnification; Directors' and Officers' Insurance............................................42
         4.16     Listing of Shares..............................................................................44
         
ARTICLE V
         CONDITIONS PRECEDENT TO THE CONSOLIDATION...............................................................44
         5.1      Conditions Precedent to Obligations of Each Party..............................................44
         5.2      Conditions Precedent to Obligations of IBC.....................................................45
         5.3.     Conditions Precedent to Obligations of MSB.....................................................46

ARTICLE VI
         ABANDONMENT AND TERMINATION OF CONSOLIDATION............................................................48
         6.1      Termination....................................................................................48

ARTICLE VII
         EXPENSES................................................................................................50
         7.1      IBC Expenses...................................................................................50
         7.2      MSB Expenses...................................................................................50
         7.3      Termination; Expenses..........................................................................51
         7.4      Obligations Upon Breach........................................................................52

ARTICLE VIII
         AMENDMENT AND WAIVER....................................................................................52
         8.1      Amendment......................................................................................52
         8.2      Waiver.........................................................................................52

ARTICLE IX
         CERTAIN DEFINITIONS.....................................................................................53
         9.1      Certain Definitions............................................................................53

ARTICLE X
         GENERAL.................................................................................................55
         10.1     Notices........................................................................................55
</TABLE>

                                      iii

<PAGE>   5

<TABLE>

         <S>      <C>                                                                                           <C>

         10.2     Governing Law..................................................................................56
         10.3     Benefit and Binding Effect.....................................................................56
         10.4     Entire Agreement...............................................................................56
         10.5     Counterparts...................................................................................56
         10.6     Reliance on Headings, Etc......................................................................57
         

Exhibit A         Consolidation Agreement
Exhibit B         Warrant Purchase Agreement
Exhibit C         Affiliate Agreement
Exhibit D         Management Continuity Agreement
</TABLE>




                                       iv

<PAGE>   6



                      AGREEMENT AND PLAN OF REORGANIZATION


         This Agreement and Plan of Reorganization (this "Agreement") is entered
into by and between INDEPENDENT BANK CORPORATION, a Michigan corporation, with
its principal office at 230 West Main Street, Ionia, Michigan 48846 ("IBC") and
MUTUAL SAVINGS BANK, F.S.B., a federal savings bank, with its principal office
located at 623 Washington Avenue, Bay City, Michigan 48708 ("MSB"). IBC and MSB
are sometimes referred to as the "Parties" or individually as a "Party."


                                    RECITALS

         The Board of Directors of MSB and IBC have determined, subject to the
requisite approval of their respective shareholders, that it would be in the
best interest of the respective institutions for MSB to affiliate with IBC,
pursuant to which MSB will be consolidated with a new Michigan banking
corporation to be organized by IBC under the Michigan Banking Code of 1969, as
amended (the "Banking Code").

         Concurrently with the execution and delivery of this Agreement, the
Parties are entering into a certain Warrant Purchase Agreement, in the form
attached as Exhibit B (the "Warrant Purchase Agreement"), and a certain Warrant,
in the form attached as Attachment A to the Warrant Purchase Agreement (the
"Warrant"). This Agreement, together with the Consolidation Agreement attached
as Exhibit A, the Warrant Purchase Agreement, and the Warrant are sometimes
collectively referred to as the "Merger Documents."

         For purposes of the Merger Documents, certain capitalized terms have
been defined in Article IX of this Agreement.

         NOW, THEREFORE, the parties agree as follows:

                                    ARTICLE I
                                  CONSOLIDATION

         1.1 Formation of New Bank. IBC agrees to use its best efforts to
promptly cause a new Michigan banking corporation ("New Bank") to be organized,
pursuant to Section 130 of the Banking Code, for purposes of effecting the
Consolidation (defined in Section 1.2 below). IBC will acquire and own all the
outstanding capital shares of New Bank as of the date the organization of New
Bank becomes effective.

         1.2 Execution of Consolidation Agreement. Promptly after New Bank has
been organized, unless this Agreement has been terminated, MSB and IBC shall,
and IBC shall cause New Bank to, execute and enter into a Consolidation
Agreement substantially in the form of Exhibit A

                                        1

<PAGE>   7



attached to this Agreement (the "Consolidation Agreement"), providing for the
consolidation of MSB with and into New Bank under the charter of New Bank (the
"Consolidation"). The financial institution resulting from the Consolidation
("Consolidated Bank") shall be a wholly owned subsidiary of IBC.

         1.3 Name of Consolidated Bank. The name of the Consolidated Bank shall
be "New MSB Bank" or such other name as the Board of Directors and shareholder
of the Consolidated Bank shall determine.

         1.4 Business of Consolidated Bank. The business of the Consolidated
Bank shall be that of a Michigan banking corporation. The Consolidated Bank
shall conduct its business at its main office that shall be located at Bay City,
Michigan, and at its legally established branches.

         1.5 The Closing. The consummation of the transactions contemplated by
this Agreement and the Consolidation Agreement shall take place at a closing
(the "Closing") to be held upon the satisfaction or waiver of all of the
conditions to the Consolidation set forth herein and in the Consolidation
Agreement, which Closing shall take place at 10:00 a.m., local time, at the
offices of Varnum, Riddering, Schmidt & HowlettLLP (or at such other place upon
which the parties may agree), on a date mutually agreeable to the parties
hereto, but in no event later than the last business day of the month in which
(a) all of the conditions to the Consolidation set forth herein and in the
Consolidation Agreement have been satisfied or waived, or (b) if both of the
conditions in Section 1.6(f)(i) and (ii) have been satisfied, five (5) days
following the expiration of the Determination Period (hereinafter referred to as
the "Closing Date").

         1.6 Conversion of Shares. The manner of converting the shares of MSB
and New Bank shall be as follows:

                  (a) Shares of New Bank. At the Effective Time, as defined in
         Article 2 of the Consolidation Agreement, each share of New Bank, par
         value $100.00 per share, issued and outstanding shall remain
         outstanding as a share of the Consolidated Bank, and the capital of New
         Bank shall become capital of the Consolidated Bank.

                  (b) Conversion of MSB Common Stock. At the Effective Time,
         subject to Article 5 of the Consolidation Agreement, by virtue of the
         Consolidation and without any action on the part of MSB, or the holder
         of any security of MSB, each share of common stock of MSB, par value
         $0.01 per share ("MSB Common Stock"), issued and outstanding
         immediately prior to the Effective Time, other than shares canceled
         pursuant to Section 1.6(e), shall be converted into the right to
         receive 0.8 fully paid and nonassessable shares (the "Conversion
         Ratio") of IBC common stock, $1.00 par value per share (the "IBC Common
         Stock"), subject to adjustment as provided in this Section 1.6. If the
         sum of the number of shares of MSB Common Stock outstanding at the
         Effective Time plus the number of shares of MSB Common Stock that are
         subject to outstanding MSB Stock Options as of the Effective Time
         differs from 4,598,780 shares, the Conversion Ratio shall

                                       2

<PAGE>   8

         be automatically adjusted by multiplying the original Conversion Ratio
         by the quotient obtained by dividing 4,598,780 by the sum of the number
         of shares of MSB Common Stock issued and outstanding at the Effective
         Time plus the number of shares subject to the outstanding MSB Stock
         Options at the Effective Time; provided, however, that, in performing
         any such adjustment, the Conversion Ratio shall be rounded to the
         nearest hundredth of a share of IBC Common Stock.

                  (c) No Fractional Shares. No fractional shares of IBC Common
         Stock shall be issued. Each holder of MSB Common Stock who would
         otherwise be entitled to receive a fractional part of a share of IBC
         Common Stock pursuant to Section 1.6(b) shall instead be entitled to
         receive cash in an amount equal to the product resulting from
         multiplying such fraction (rounded to the nearest tenth when expressed
         as an Arabic number) by the average closing sale price of IBC Common
         Stock as reported on the Nasdaq Stock Market on the five trading days
         immediately preceding the Effective Time.

                  (d) Recapitalization. In the event that either IBC or MSB
         changes (or establishes a record date for changing) the number of
         shares of IBC Common Stock or shares of MSB Common Stock issued and
         outstanding as a result of a stock dividend, stock split,
         recapitalization, reclassification, combination or similar transaction
         with respect to the outstanding shares of IBC Common Stock or MSB
         Common Stock, and the record date therefor shall be after the date of
         this Agreement and prior to the Effective Time, then the Conversion
         Ratio shall be appropriately and proportionately adjusted.

                  (e) Certain Owned Shares of MSB Common Stock. Any and all
         shares of MSB Common Stock owned by MSB, IBC or any direct or indirect
         majority-owned Subsidiary of either of them, in each case other than in
         a fiduciary capacity that are beneficially owned by third parties or as
         a result of debts previously contracted, shall be canceled and retired
         at the Effective Time and no consideration shall be issued in exchange
         therefor.

                  (f) MSB Termination Right; IBC Adjustment Right. The Board of
         Directors of MSB may terminate this Agreement upon written notice to
         IBC (the "Termination Notice"), at any time during the Determination
         Period (as defined below), if both of the following conditions are
         satisfied:

                           (i) the Average Closing Price shall be less than the
                  product of 0.85 and the Starting Price; and

                           (ii) (A) the quotient obtained by dividing the
                  Average Closing Price by the Starting Price (such number being
                  referred to herein as the "IBC Ratio") shall be less than (B)
                  the quotient obtained by dividing the Average Index Price by
                  the Index Price on the Starting Date and subtracting 0.15 from
                  the quotient in this clause (ii)(B) (such number being
                  referred to herein as the "Index Ratio");


                                        3

<PAGE>   9



         subject, however, to the following provisions. During the five (5) day
         period commencing with IBC's receipt of MSB's Termination Notice, IBC
         shall have the option to elect to increase the Conversion Ratio to
         equal the lesser of (i) the quotient obtained by dividing (A) the
         product of 0.85, the Starting Price and the Conversion Ratio by (B) the
         Average Closing Price, or (ii) the quotient obtained by dividing (A)
         the product of the Index Ratio and the Conversion Ratio by (B) the IBC
         Ratio. If IBC makes such an election within such five (5) day period,
         it shall give prompt written notice to MSB of such election and the
         revised Conversion Ratio, whereupon no termination shall have occurred
         pursuant to this Section 1.6(f) and this Agreement shall remain in
         effect in accordance with its terms (except as the Conversion Ratio
         shall have been so modified), and any references in this Agreement to
         "Conversion Ratio" shall thereafter be deemed to refer to the
         Conversion Ratio as adjusted pursuant to this Section 1.6(f).

                  For purposes of this Section 1.6(f), the following terms shall
         have the meanings indicated:

                  "Average Closing Price" means the average of the daily last
         sale prices of IBC Common Stock as reported on the Nasdaq Stock Market
         ("Nasdaq") (as reported in The Wall Street Journal or, if not reported
         therein, in another mutually agreed upon authoritative source) for the
         fifteen (15) consecutive full trading days in which such shares are
         traded on the Nasdaq ending at the close of trading on the first day of
         the Determination Period.

                  "Average Index Price" means the average of the Index Prices
         for the fifteen (15) consecutive full Nasdaq trading days ending at the
         close of trading on the first day of the Determination Period.

                  "Determination Period" means the fifteen (15) day period
         commencing two (2) days after the date on which the last Requisite
         Regulatory Approval required for consummation of the Consolidation
         shall be received.

                  "Index Group" means the Nasdaq Bank Stock Index.

                  "Index Price" on a given date means the average of the closing
         prices on such date of the companies comprising the Index Group.

                  "Starting Date" means the last full day on which the Nasdaq
         was open for trading prior to the execution of this Agreement.

                  "Starting Price" shall mean the last sale price per share of
         IBC Common Stock on the Starting Date, as reported by the Nasdaq (as
         reported in The Wall Street Journal or, if not reported therein, in
         another mutually agreed upon authoritative source).


                                        4

<PAGE>   10



         1.7 IBC Common Stock. All shares of IBC Common Stock that are issued
and outstanding immediately prior to the Effective Time shall continue to be
issued and outstanding shares of IBC Common Stock at and after the Effective
Time.

                                   ARTICLE II
                      REPRESENTATIONS AND WARRANTIES OF IBC

         Except as otherwise set forth in the IBC disclosure memorandum ("IBC
Disclosure Memorandum") previously delivered to MSB, IBC represents and warrants
to MSB that:

         2.1 Organization and Good Standing. IBC is duly registered as a bank
holding company under the Bank Holding Company Act. Each of the IBC Companies is
duly organized, validly existing and in good standing under the laws of the
State of Michigan (except that IBC Capital Finance is a business trust organized
and in good standing under Delaware law) and has the corporate power to carry on
their respective businesses substantially as it is now being conducted. Each IBC
Company is duly qualified or licensed to transact business as a foreign
corporation in good standing in the States of the United States and foreign
jurisdictions where the character of its assets or the nature or conduct of its
business requires it to be so qualified or licensed, except for such
jurisdictions where the failure to be so qualified or licensed is not reasonably
likely to have, individually or in the aggregate, a Material Adverse Effect on
IBC. The IBC Disclosure Memorandum contains true and complete copies of the
Articles of Incorporation and Bylaws of IBC.

         2.2 Subsidiaries. Section 2.2 of the IBC Disclosure Memorandum contains
a true and complete list of all of the IBC Subsidiaries as of the date of this
Agreement. Except as disclosed in Section 2.2 of the IBC Disclosure Memorandum,
IBC or one of its Subsidiaries owns all of the issued and outstanding shares of
capital stock of each IBC Subsidiary. No equity securities of any IBC Subsidiary
are or may become required to be issued by reason of any Rights, and there are
no contracts by which any IBC Subsidiary is bound to issue additional shares of
its capital stock or Rights. There are no contracts relating to the rights of
any IBC Company to vote or to dispose of any shares of the capital stock of any
IBC Subsidiary. All of the shares of capital stock of each IBC Subsidiary held
by an IBC Company are fully paid and, except pursuant to Section 201 of the
Michigan Banking Code in the case of the IBC banks, are owned by the IBC Company
free and clear of any lien.

         2.3      Capitalization.

                  (a) IBC has authorized capital of 14,000,000 shares of common
         stock, par value $1.00 per share ("IBC Common Stock"), and 200,000
         shares of preferred stock, without par value. As of March 23, 1999,
         7,426,991shares of IBC Common Stock were issued and outstanding. No
         shares of IBC preferred stock are issued or outstanding. All of the
         issued and outstanding shares of IBC Common Stock are, and all of the
         shares of IBC Common Stock to be issued in exchange for shares of IBC
         Common Stock upon consumption of the Consolidation, when issued in
         accordance with the terms of this Agreement and the

                                        5

<PAGE>   11



         Consolidation Agreement, will be, validly issued, fully paid and not
         subject to assessment. There are no warrants, options, contracts or
         rights outstanding for the purchase of any additional shares of IBC
         except as reflected in the notes to IBC's consolidated financial
         statements for the year ended December 31, 1998, and as may be issued
         or purchased subsequent to December 31, 1998, pursuant to IBC's
         Dividend Reinvestment and Stock Purchase Plan and IBC's various
         equity-based compensation plans. IBC has not established a record date
         for any stock dividend, stock split, recapitalization,
         reclassification, combination or similar transaction that has not
         become effective prior to the date of this Agreement.

                  (b) Except as set forth in Section 2.3(a) of this Agreement or
         as disclosed in Section 2.3 of the IBC Disclosure Memorandum, there are
         no shares of capital stock or other equity securities of IBC
         outstanding and no outstanding Rights relating to the capital stock of
         IBC and there are no warrants, options, contracts or rights (including
         preemptive rights or rights contained in convertible securities or any
         other rights) outstanding for the purchase or acquisition of any
         additional shares of IBC.

         2.4 Authorizations. The execution, delivery and performance of this
Agreement have been duly and validly authorized by IBC and its Board of
Directors, and do not violate or conflict with IBC's Articles of Incorporation,
Bylaws or any court order or decree to which it or any of its Subsidiaries is a
party or subject, or by which IBC or any such Subsidiary is bound, subject to
the approval of this Agreement and the Consolidation Agreement by the
shareholders of IBC. The execution and performance of this Agreement and the
Consolidation Agreement do not and will not result in any default or give rise
to any right of termination, cancellation or acceleration under any material
note, bond, mortgage, indenture or other agreement by which IBC or any of its
Subsidiaries is bound. The Merger Documents, when executed and delivered, will
be a valid, binding and enforceable obligation of IBC (except in all cases as
such enforceability may be limited by applicable bankruptcy, insolvency,
receivership, reorganization, moratorium, or similar laws affecting the
enforcement of creditors' rights generally and except that the availability of
the equitable remedy of specific performance or injunctive relief is subject to
the discretion of the court before which any proceeding may be brought).

         2.5 Financial Statements. The consolidated statements of financial
condition of IBC as of December 31, 1998 and 1997, and the related consolidated
statements of operations, changes in shareholders' equity, and cash flows for
each of the years in the three-year period ended December 31, 1998, as reported
by IBC's independent accountants, KPMG LLP, including all schedules and notes
relating thereto (the "IBC Financial Statements"), fairly present IBC's
financial condition and results of operations, on a consolidated basis, on the
dates and for the periods indicated in conformity with generally accepted
accounting principles applied consistently throughout the periods indicated
(except as otherwise noted in said financial statements). The IBC Financial
Statements referred to in this Section 2.5 do not, as of the date hereof,
include any material assets or omit to state any material liability or other
facts, the inclusion or omission of which renders such IBC Financial

                                        6

<PAGE>   12



Statements, in light of the circumstances under which they were made, misleading
in any material respect.

         2.6 Absence of Undisclosed Liabilities. Except as and to the extent
reflected or reserved against in the consolidated Statement of Financial
Condition of IBC as of December 31, 1998, and the notes thereto, IBC, on a
consolidated basis, has no material liabilities or obligations (whether accrued,
absolute, contingent or otherwise) of a nature and amount required to be
reflected in such statement, or the notes thereto, in accordance with GAAP.

         2.7 Loan Guarantees and Loss Reserves. To the best of its knowledge,
all material guarantees of indebtedness owed to IBC Companies, including, but
not limited to, those of the Federal Housing Administration, the Small Business
Administration, the Farmers Home Administration, and other federal agencies, are
valid and enforceable in accordance with their respective terms. The IBC
Companies' allowance for loan losses reflected in IBC's December 31, 1998,
consolidated financial statements, pursuant to GAAP, was adequate to meet all
loan losses then reasonably anticipated based upon the facts and circumstances
known as of that date.

         2.8 Title to Properties. The IBC Companies are the owner of all
material property and assets reflected in their audited Statement of Financial
Condition at December 31, 1998, free of any material liens and encumbrances,
except as noted therein, and except for changes thereafter in the ordinary
course of business, which changes are not in the aggregate material to IBC's
business. The IBC Companies have good and marketable title to all material
properties and assets acquired after December 31, 1998, free of liens and
encumbrances, except assets disposed of or encumbered in the ordinary course of
business. All material leases to which an IBC Company is a party are valid and
enforceable in accordance with their respective terms. Each material lease is
specifically identified in the IBC Disclosure Memorandum. The IBC Companies have
not received notice of any material violation of any applicable zoning
regulation, ordinance or other law, order, regulation or requirement relating to
their operations or properties.

         2.9 Governmental Regulation. The IBC Companies hold all material
licenses, certificates, permits, franchises and rights from all appropriate
federal, state or other public authorities necessary for the conduct of their
business. To the best of IBC's knowledge, the IBC Companies have conducted their
business so as to comply in all material respects with all applicable federal,
state and local statutes, regulations, ordinances or rules, particularly, but
not by way of limitation, applicable banking laws, federal and state securities
laws, and laws and regulations concerning truth-in-lending, usury, fair credit
reporting, equal credit opportunity, community reinvestment, redlining, loan
insurance and guarantee programs, privacy, trade practices, consumer protection,
occupational safety, civil rights, age discrimination in employment, employee
benefits, labor relations, fair employment practices and fair labor standards.

         2.10 Absence of Litigation. Except as disclosed in Section 2.10 of the
IBC Disclosure Memorandum, there is no Litigation instituted or pending or, to
the knowledge of IBC, threatened (or unasserted but considered probable of
assertion and which, if asserted, would have at least a

                                        7

<PAGE>   13



reasonable probability of an unfavorable outcome) against any IBC Company, or
against any asset, interest, or right of any of them, that seeks to enjoin,
delay, or prevent the execution, delivery, or performance of the Merger
Documents or the completion of the transactions contemplated therein or herein,
or that, if a judgment adverse to a IBC Company were to be rendered in such
Litigation, would have, individually or in the aggregate, a Material Adverse
Effect on IBC, nor are there any orders of any Regulatory Authorities, other
governmental authorities, or arbitrators outstanding against any IBC Company
that would have, individually, or in the aggregate, a Material Adverse Effect on
IBC. Section 2.10 of the IBC Disclosure Memorandum contains a copy of each audit
letter response received by IBC from attorneys for any IBC Company in connection
with the preparation of the financial statements of IBC or otherwise since
December 31, 1997, relating to any Litigation pending as of the date of this
Agreement to which any IBC Company is a party and which names any IBC Company as
a defendant or cross-defendant, and a brief summary report of any such
litigation that is not discussed in such audit letter responses.

         2.11     Reports and SEC Documents.

                   (a) Reports. IBC and each of the IBC Subsidiaries have timely
         filed all reports, registrations and statements, together with any
         amendments required to be made with respect thereto, that they were
         required to file since January 1, 1995 with the Regulatory Authorities,
         and all other reports and statements required to be filed by them since
         January 1, 1995, including, without limitation, any report or statement
         required to be filed pursuant to the laws, rules or regulations of the
         United States, any state, or any Regulatory Authority, and have paid
         all fees and assessments due and payable in connection therewith,
         except where the failure to file such report, registration or statement
         or to pay such fees and assessments, either individually or in the
         aggregate, will not have a Material Adverse Effect on IBC. Except for
         normal examinations conducted by Regulatory Authorities in the regular
         course of the business of IBC or the IBC Subsidiaries, no Regulatory
         Authority has initiated any proceeding or, to the best knowledge of
         IBC, investigation into the business or operations of IBC or any of IBC
         Subsidiaries since January 1, 1995. There is no unresolved written
         violation, written criticism, or written exception by any Regulatory
         Authority with respect to any report or statement relating to any
         examinations of IBC or any of the IBC Subsidiaries, which is likely,
         either individually or in the aggregate, to have a Material Adverse
         Effect on IBC.

                  (b) SEC Documents. IBC has made available to MSB a true and
         complete copy of each report, schedule, registration statement and
         definitive proxy statement filed by IBC with the SEC (other than
         reports filed pursuant to Section 13(d) or 13(g) of the Exchange Act)
         since January 1, 1995 (as such documents have since the time of their
         filing been amended, the "IBC 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 IBC was
         required to file with the SEC since such date. As of their respective
         dates of filing with the SEC, the IBC SEC Documents complied in all
         material respects with the requirements of the Securities Act of 1933,
         as amended (the "Securities Act"), or the

                                        8

<PAGE>   14



         Exchange Act, as the case may be, and the rules and regulations of the
         SEC thereunder applicable to such IBC SEC Documents, and did not
         contain any untrue statement of a material fact or omit 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. The financial statements of IBC included in the
         IBC SEC Documents complied as to form, as of their respective dates of
         filing with the SEC, in all material respects with applicable
         accounting 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
         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 in all material respects the
         consolidated financial position of IBC and its consolidated
         Subsidiaries as of the dates thereof and the consolidated results of
         operations, changes in shareholders' equity and cash flows of such
         companies for the periods then ended. All material agreements,
         contracts and other documents required to be filed as exhibits to any
         of the IBC SEC Documents have been so filed.

         2.12     Tax Matters.   Except as may be disclosed in Section 2.12 of
the IBC Disclosure Memorandum:

                  (a) All tax returns required to be filed by or on behalf of
         any of the IBC Companies have been timely filed or requests for
         extensions have been timely filed, granted, and have not expired for
         periods ended on or before December 31, 1998, and on or before the date
         of the most recent fiscal year end immediately preceding the Effective
         Time and all returns filed are complete and accurate, except for
         failures, if any, which, taken together, would not have a Material
         Adverse Effect on IBC. All Taxes shown on filed returns have been paid
         or adequate provision therefor has been made in the IBC Financial
         Statements. As of the date of this Agreement, there is no audit
         examination, deficiency, or refund Litigation with respect to any Taxes
         that is reasonably likely to result in a determination that would have,
         individually or in the aggregate, a Material Adverse Effect on IBC,
         except as reserved against in the IBC Financial Statements delivered
         prior to the date of this Agreement or as disclosed in Section 2.12 of
         the IBC Disclosure Memorandum. All Taxes and other liabilities due with
         respect to completed and settled Tax examinations or concluded Tax
         Litigation have been paid or adequate provision therefor has been made
         in the IBC financial statements.

                  (b) None of the IBC Companies has executed an extension or
         waiver of any statute of limitations on the assessment or collection of
         any Tax due (excluding such statutes that relate to years currently
         under examination by the Internal Revenue Service or other applicable
         taxing authorities) that is currently in effect.

                  (c) Adequate provision for any Taxes due or to become due for
         any of the IBC Companies for the period or periods through and
         including the date of the respective IBC

                                        9

<PAGE>   15



         financial statements has been made and is reflected on such IBC
         financial statements in accordance with GAAP.

                  (d) Deferred Taxes of the IBC Companies have been provided for
         in accordance with GAAP.

                  (e) Each of the IBC Companies is in material compliance with,
         and its records contain all information and documents (including
         properly completed IRS Forms W-9) necessary to comply with, all
         applicable information reporting and Tax withholding requirements under
         federal, state, and local Tax Laws, and such records identify with
         specificity all accounts subject to backup withholding under Section
         3406 of the Internal Revenue Code.

                  (f) Except as disclosed in Section 2.12 of the IBC Disclosure
         Memorandum, IBC has not received any notification of an audit of its
         federal income tax returns for any tax years since 1988.

         2.13 Conduct. Since December 31, 1998, neither IBC nor any of its
Subsidiaries has: (a) experienced any material adverse change in financial
condition, assets, liabilities or business; (b) conducted its business or
entered into any material transaction otherwise than in the ordinary course, or
incurred or become subject to any material liabilities or obligations except
current liabilities incurred in the ordinary course of business and except for
any branch or bank acquisition agreements that IBC or its Subsidiaries may enter
into prior to the Effective Time as to which notice of such is provided to MSB
by IBC; (c) to the best of IBC's knowledge, suffered any union organizational
efforts or any labor trouble, or any event or condition of any character
materially and adversely affecting its business or prospects not generally
affecting banks in Michigan in substantially the same manner and to
substantially the same relative extent; (d) paid, other than in the ordinary
course of business, any material obligation or liability other than those shown
on the IBC Financial Statements or incurred after the date thereof in the
ordinary course of business; (e) mortgaged, pledged or subjected to lien, charge
or other encumbrance any of its material assets, or sold or transferred any such
material assets, except in the ordinary course of business; (f) learned of any
basis for the institution of any action, suit, proceeding or governmental
investigation against it with respect to its business, properties, assets or
goodwill, that might have a Material Adverse Effect on IBC or any of its
Subsidiaries; or (g) made or permitted any amendment or termination of any
material contract to which it is a party except for the expiration of contracts
at the end of their term and termination of contracts which are terminable by
the other party without any fault or omission on the part of IBC or a Subsidiary
of IBC.

         2.14 Compliance with Laws. Each IBC Company has in effect all permits
necessary for it to own, lease, or operate its material assets and to carry on
its business as now conducted, except for those permits, the absence of which
are not reasonably likely to have, individually or in the aggregate, a Material
Adverse Effect on IBC, and there has occurred no default under any such permit,
other than defaults which are not reasonably likely to have, individually or in
the aggregate,

                                       10

<PAGE>   16



a Material Adverse Effect on IBC. Except as disclosed in Section 2.14 of the IBC
Disclosure Memorandum, no IBC Company:

                  (a)      Is in default under its governing documents;

                  (b) Is in violation of any laws, orders, or permits applicable
         to its business or employees conducting its business, except for
         violations which are not reasonably likely to have, individually or in
         the aggregate, a Material Adverse Effect on IBC;

                  (c) Has received any notification or communication from any
         agency or department of federal, state, or local government or any
         Regulatory Authority or the staff thereof (i) asserting that any such
         entity is not in compliance with any of the laws or orders which such
         governmental authority or Regulatory Authority enforces, where such
         noncompliance is reasonably likely to have a Material Adverse Effect on
         IBC, (ii) threatening to revoke any permits, the revocation of which is
         reasonably likely to have a Material Adverse Effect on IBC, or (iii)
         requiring any such entity to enter into or consent to the issuance of a
         cease and desist order, supervisory letter, formal agreement,
         directive, commitment, or memorandum of understanding, or to adopt any
         resolution of the Board of Directors of such entity or similar
         undertaking, which restricts materially the conduct of its business, or
         in any manner relates to its capital adequacy, its credit or reserve
         policies, its management, or the payment of dividends, and is subject
         to any such agreement under, letter of understanding; or

                  (d) Directly or indirectly engages in any material activity
         prohibited to be conducted by any such entity, or owns any material
         assets prohibited to be held by such entity.

         2.15 Brokerage Fees. IBC has not employed any broker or finder in
connection with the transactions contemplated by this Agreement and has no
express or implied agreement with any Person or company relative to commissions
or finder's fees as to such transactions.

         2.16 Contracts. Except as to contracts and agreements listed or
described in Section 2.16 of the IBC Disclosure Memorandum, as of the date of
this Agreement no IBC Company is a party to (in its own name or as successor in
interest to any predecessor) or bound by any material written or oral: (a)
employment, management or consulting contract or service agreement which by its
terms IBC knows or should know is not terminable by the IBC Company on 30 days'
notice or less without cost or penalty; (b) collective bargaining agreement with
any labor or trade union or association or employee group; (c) bonus, pension,
profit-sharing, retirement, stock option, stock purchase, hospi talization,
insurance or other similar plan providing for benefits for its employees; (d)
lease, installment purchase agreement or other contract with respect to any
property (real, personal or mixed) used or proposed to be used in the IBC
Company's operation; (e) contract or agreement for the purchase or disposition
of material, supplies, equipment or services; (f) instrument evidencing or
relating to indebtedness for money borrowed or money to be borrowed or creating
any lien or

                                       11

<PAGE>   17



security interest in any real or personal property excluding such instruments
with customers relating to banking transactions; (g) contract or agreement that
by its terms requires the consent of any party thereto to the consummation of
the transactions contemplated by this Agreement; (h) agreement not to compete in
any line of business or any geographic area; (i) contract or agreement (or
outstanding solicitation for bids) for capital expenditures; (j) any lease,
indenture, note or other contract under which any IBC Company is in material
default; (k) any contract, except ordinary and customary banking relationships
and employment agreements, with any executive officer, director, or holder of
more than 5% of the outstanding stock of IBC; (l) any deferred compensation or
severance pay agreement; or (m) any other material agreement not made in the
ordinary course of the IBC Company's business. True and correct copies of all
contracts and agreements listed or described in IBC Disclosure Memorandum are
attached to the IBC Disclosure Memorandum or are described therein. As of the
date of this Agreement, each IBC Company has in all material respects performed
all material obligations required to be performed by it to date and is not in
default under, and no event has occurred that, with the lapse of time or action
by a third party, could result in a default under any outstanding indenture,
mortgage, contract, lease or other agreement to which any IBC Company is a party
or by which any IBC Company is bound or under any provision of its Articles of
Incorporation or Bylaws.

         2.17 Duties as Fiduciary. As of the date of this Agreement, each IBC
Company, in its capacity as trustee, escrow agent, executor, administrator,
custodian, guardian, receiver or other fiduciary, has, to the best of its
knowledge, performed all of its material duties in accordance with all legal
standards applicable to such duties whether imposed by contract, statute or
common law.

         2.18 Insurance. As of the date of this Agreement, the IBC Companies
have in effect insurance coverage on their assets, properties, premises,
operations and personnel in such amounts and against such risks and losses as
they reasonably believe to be adequate and customary for the business conducted
by the IBC Companies.

         2.19 Books and Records. To the best of IBC's knowledge, IBC's minute
books accurately reflect all actions taken by its shareholders, directors, and
committees of directors, and such books, accounts and records of IBC have been
maintained in a regular manner and in compliance with all applicable laws.

         2.20 Employee Benefit Plans and Other Employee Matters.

              (a) The IBC Disclosure Memorandum includes a list of (1) all of
         the "pension" and "welfare" benefit plans (within the respective
         meanings of sections 3(2) and 3(1) of the Employee Retirement Income
         Security Act of 1974, as amended ["ERISA"]), and (2) all other bonus,
         deferred compensation, pension, retirement, profit sharing, thrift
         savings, employee stock ownership, stock bonus, stock purchase,
         restricted stock and stock option plans or programs, all employment or
         severance contracts, and any applicable "change in control" or similar
         provisions in any plan, program, policy, contract or arrangement,
         maintained by, or to which IBC or any ERISA Affiliate has made payments
         or contributions,

                                       12

<PAGE>   18



         with respect to its employees (the "IBC Employee Benefit Plans"),
         together with a list of any such plans terminated since January 1,
         1993, or merged into or consolidated with any of the current IBC
         Employee Benefit Plans. The IBC Disclosure Memorandum includes true and
         complete copies of all IBC Employee Benefit Plans, and such contracts
         or arrangements, including but not limited to, any trust instruments
         and/or insurance and investment contracts, if any, forming a part of
         any such IBC Employee Benefit Plan, and all amendments thereto,
         including but not limited to (i) the actuarial report for each IBC
         Employee Benefit Plan, if applicable, and the annual report (Form 5500
         series), for each of the last three plan years, (ii) the current
         summary plan description (if applicable) for each IBC Employee Benefit
         Plan, and (iii) the most recent determination letter from the Internal
         Revenue Service (if applicable) for each IBC Employee Benefit Plan. No
         reportable event as defined by Section 4043 of ERISA or the regulations
         thereunder for which the 30 day reporting requirement has not been
         waived has occurred with respect to any IBC Employee Benefit Plan
         subject to ERISA. No such IBC Employee Benefit Plan has been terminated
         since January 1, 1993. IBC has not sought or obtained from the Internal
         Revenue Service any waiver of standard funding requirements under any
         IBC Employee Benefit Plan during the past five years. IBC's policies
         concerning hours worked by, and payments made to, employees of IBC have
         not been in violation of the Fair Labor Standards Act or any other
         applicable laws dealing with such matters. All payments due from IBC on
         account of each IBC Employee Benefit Plan have been paid or accrued as
         a liability on the books of IBC, and all severance payments which are
         or were due under the terms of any agreement, oral or written, have
         been paid or accrued as a liability on the books of IBC, except as set
         forth in Section 2.20 of the IBC Disclosure Memorandum.

                  (b) Each IBC Employee Benefit Plan has been administered in
         substantial compliance with its terms and with all applicable
         provisions of ERISA, the Code and all other applicable laws and
         regulations. Each IBC Employee Benefit Plan, that is an employee
         pension benefit plan within the meaning of Section 3(2) of ERISA, and
         which is intended to be qualified under Section 401(a) of the Code, has
         received or applied for a favorable determination letter from the IRS,
         and IBC is not aware of any circumstances likely to result in the
         revocation of any such favorable determination letter.

                  (c) There is no material pending or threatened litigation or
         government investigation relating to any of the IBC Employee Benefit
         Plans. Neither IBC or any of its ERISA Affiliates has engaged in a
         transaction with respect to any IBC Employee Benefit Plan that could
         subject IBC or any of its ERISA Affiliates or any other party to a tax
         or penalty imposed by Section 4975 of the Code, or Sections 502(i) or
         502(l) of ERISA in an amount that would be material.

                  (d) No liability under Title IV of ERISA has been, or is
         expected to be, incurred by IBC or any of its ERISA Affiliates, with
         respect to any ongoing, frozen or terminated "single-employer plan"
         within the meaning of Section 4001(a)(15) of ERISA, currently or

                                       13

<PAGE>   19



         formerly maintained by any of them, or a single-employer plan of any
         entity which is considered one employer with IBC or any of its ERISA
         Affiliates.

                  (e) Neither IBC nor any of its ERISA Affiliates has incurred
         or expects to incur any withdrawal liability with respect to a
         Multiemployer Plan (as defined in Sections 3(37) and 40001(a)(3) of
         ERISA) under Subtitle E of Title IV of ERISA. No IBC Employee Benefit
         Plan has an accumulated funding deficiency (whether or not waived)
         within the meaning of Section 412 of the Code or Section 302 of ERISA.
         Neither IBC nor any of its ERISA Affiliates has provided or is required
         to provide security to any IBC Employee Benefit Plan pursuant to
         Section 401(a)(29) of the Code. Neither IBC nor any of its ERISA
         Affiliates presently contributes to, or is currently a party to, any
         Multi-Employer Plan or any plan that is or was subject to Title IV of
         ERISA.

                  (f) Except as set forth in the IBC Disclosure Memorandum, or
         as required pursuant to Section 4980B of the Code and Sections 601
         through 609 of ERISA, neither IBC nor any of its ERISA Affiliates has
         any obligations for retiree health and life benefits under any IBC
         Employee Benefit Plan.

                  (g) Except as set forth in the IBC Disclosure Memorandum, the
         consummation of the transactions contemplated by this Agreement will
         not, either alone or in combination with another event, (i) entitle any
         current or former employee, officer or director of IBC or an ERISA
         Affiliate to severance pay, unemployment compensation or other payment
         except as expressly provided in this Agreement, or (ii) accelerate the
         time of payment or vesting, or increase the amount, of compensation due
         any such employee, officer or director. No IBC Employee Benefit Plan
         provides for payment of any amount which, considered in the aggregate
         with amounts payable pursuant to all other IBC Employee Benefit Plans,
         would exceed the amount deductible for federal income tax purposes by
         virtue of Section 280G of the Code.

                  (h) For purposes of this Section, the term ERISA Affiliate
         includes each entity that is (i) a member of a controlled group of
         corporations with IBC, (ii) under common control with IBC, or (iii) a
         member of an affiliated service group with IBC, within the meaning of
         Sections 414(b), (c), (m) and (o) of the Code.

         2.21 Environmental Liability. There are no material actions, suits,
investigations, liabilities, inquiries or other proceedings, rules, orders or
citations involving any IBC Company, or any of its material assets, pending or
threatened as a result of any failure of any IBC Company, or any predecessor
thereof, to comply with any requirement of federal, state, local or foreign law,
civil or common, or regulation relating to air, water, soil, solid waste
management, hazardous or toxic substances, or the protection of health or the
environment, nor is there, to the knowledge of IBC, any factual basis for any of
the foregoing. None of the property owned or leased by any IBC Company, to the
knowledge of IBC, is contaminated with any waste or hazardous substances. To the
knowledge of IBC after reasonable investigation, no IBC Company is or may be
deemed to be an

                                       14

<PAGE>   20



"owner or operator" of a "facility" or "vessel" which owns, possesses,
transports, generates, or disposes of a "hazardous substance," as those terms
are defined in Section 9601 of the Comprehensive Environmental Response,
Compensation and Liability Act of 1980, 42 U.S.C.A. ss. 9601 et. seq.

         2.22 Community Reinvestment Act Compliance. No IBC Company has received
any notice of non-compliance with the applicable provisions of the CRA and the
regulations promulgated thereunder, and IBC has received a CRA rating of
satisfactory or better from the FDIC. IBC knows of no fact or circumstance or
set of facts or circumstances which would cause any IBC Company to fail to
comply with such provisions or to cause the CRA rating of any IBC Company to
fall below satisfactory.

         2.23 Statements True and Correct. None of the information supplied or
to be supplied by any IBC Company or any Affiliate thereof for inclusion in the
Registration Statement to be filed by IBC with the SEC will, when the
Registration Statement becomes effective, be false or misleading with respect to
any material fact, or omit to state any material fact necessary to make the
statements therein not misleading. None of the information supplied or to be
supplied by any IBC Company or any Affiliate thereof for inclusion in the Proxy
Statement/Prospectus to be mailed to IBC's shareholders in connection with the
IBC Shareholders' Meeting or the Proxy Statement/Prospectus to be mailed to
MSB's shareholders in connection with the MSB Shareholder's Meeting, and any
other documents to be filed by IBC or any Affiliate thereof with the SEC or any
other Regulatory Authority in connection with the transactions contemplated by
the Merger Documents, will, at the respective time such documents are filed, and
with respect to the Proxy Statement/Prospectus, when first mailed to the
respective shareholders of MSB and IBC, be false or misleading with respect to
any material fact, or omit to state any material fact necessary to make the
statements therein, in light of the circumstances under which they were made,
not misleading, or, in the case of the Proxy Statement/Prospectus or any
amendment thereof or supplement thereto, at the time of the IBC or MSB
Shareholders' Meeting, as applicable, be false or misleading with respect to any
material fact, or omit to state any material facts necessary to correct any
statement in any earlier communication with respect to the solicitation of any
proxy for the MSB or IBC Shareholders' Meeting. All documents that any IBC
Company or any Affiliate thereof is responsible for filing with any Regulatory
Authority in connection with the transactions contemplated by the Merger
Documents will comply as to form in all material respects with the provisions of
applicable Law. Neither this Agreement nor any schedule, statement, list,
certificate or other written information furnished or to be furnished by IBC in
connection with this Agreement contains, or will contain any untrue statement of
a material fact or omits or will omit, to state a material fact necessary to
make the statements contained herein or therein, in light of the circumstances
in which they are made, not misleading.

         2.24 Tax, Regulatory, and Pooling Matters. No IBC Company nor, to the
knowledge of IBC, any Affiliate thereof, has taken any action or has any
knowledge of any fact or circumstance that is reasonably likely to (i) prevent
the transactions contemplated by the Merger Documents, including the
Consolidation, from qualifying as a reorganization within the meaning of Section

                                       15

<PAGE>   21



368(a) of the Internal Revenue Code, (ii) impede or materially delay receipt of
any consents of Regulatory Authorities referred to in Section 5.1(b) of this
Agreement, or (iii) prevent IBC from accounting for the Consolidation as a
pooling of interests in accordance with GAAP and applicable SEC regulations.

         2.25 Year 2000. Each IBC Company's computers, data processing systems
and other equipment are Year 2000 compliant in all material respects, or are
reasonably expected to be Year 2000 compliant prior to December 31, 1999. The
IBC Companies have implemented Year 2000 compliance procedures appropriate for
the banking industry with respect to their loan customers and vendors.

         2.26 "Material" Defined. Except where the context otherwise indicates,
the term "material" as applied to IBC and its Subsidiaries refers to IBC and its
Subsidiaries on a consolidated basis, considering IBC and its Subsidiaries and
their assets and businesses as a whole.

                                   ARTICLE III
                      REPRESENTATIONS AND WARRANTIES OF MSB

         Except as otherwise set forth in the MSB disclosure memorandum ("MSB
Disclosure Memorandum") previously delivered to IBC, MSB represents and warrants
to IBC that:

         3.1 Organization and Good Standing. MSB is a federally chartered stock
savings bank. Each of the MSB Companies is duly organized, validly existing and
in good standing under the laws of its jurisdiction of incorporation and has the
corporate power to carry on their respective businesses substantially as it is
now being conducted. Each MSB Company is duly qualified or licensed to transact
business as a foreign corporation in good standing in the States of the United
States and foreign jurisdictions where the character of its assets or the nature
or conduct of its business requires it to be so qualified or licensed, except
for such jurisdictions where the failure to be so qualified or licensed is not
reasonably likely to have, individually or in the aggregate, a Material Adverse
Effect on MSB. The MSB Disclosure Memorandum contains true and complete copies
of the Charter and Bylaws of MSB.

         3.2 Subsidiaries. Section 3.2 of the MSB Disclosure Memorandum contains
a true and complete list of all of the MSB Subsidiaries as of the date of this
Agreement. Except as disclosed in Section 3.2 of the MSB Disclosure Memorandum,
MSB or one of its Subsidiaries own all of the issued and outstanding shares of
capital stock of each MSB Subsidiary. No equity securities of any MSB Subsidiary
are or may become required to be issued by reason of any Rights, and there are
no contracts by which any MSB Subsidiary is bound to issue additional shares of
its capital stock or Rights. There are no contracts relating to the rights of
any MSB Company to vote or to dispose of any shares of the capital stock of any
MSB Subsidiary. All of the shares of capital stock of each MSB Subsidiary held
by an MSB Company are fully paid and are owned by the MSB Company free and clear
of any lien.


                                       16

<PAGE>   22



         3.3      Capitalization.

                  (a) MSB has authorized capital of 20,000,000 shares of common
         stock, par value $0.01 per share ("MSB Common Stock"), and 5,000,000
         shares of preferred stock, par value $0.01 per share. As of March 23,
         1999, 4,290,414 shares of MSB Common Stock were issued and outstanding.
         No shares of MSB Preferred Stock are issued or outstanding. All of the
         issued and outstanding shares of MSB Common Stock are validly issued,
         fully paid and not subject to assessment. MSB has reserved 333,196
         shares of MSB Common Stock for issuance under MSB stock option plans,
         pursuant to which options to purchase not more than 308,366 shares of
         MSB Common stock are outstanding. MSB has not established a record date
         for any stock dividend, stock split, recapitalization,
         reclassification, combination or similar transaction that has not
         become effective prior to the date of this Agreement.

                  (b) Except for the Warrant and the Warrant Purchase Agreement,
         and except as set forth in Section 3.3(a) of this Agreement or as
         disclosed in Section 3.3 of the MSB Disclosure Memorandum, there are no
         shares of capital stock or other equity securities of MSB outstanding
         and no outstanding Rights relating to the capital stock of MSB and
         there are no warrants, options, contracts or rights (including
         preemptive rights or rights contained in convertible securities or any
         other rights) outstanding for the purchase or acquisition of any
         additional shares of MSB.

         3.4 Authorizations. The execution, delivery and performance of this
Agreement have been duly and validly authorized by MSB and its Board of
Directors, and does not violate or conflict with MSB's Charter, Bylaws or any
court order or decree to which it or any of its Subsidiaries is a party or
subject, or by which MSB or any such Subsidiary is bound, subject to the
approval of this Agreement and the Consolidation Agreement by the shareholders
of MSB. The execution and performance of this Agreement and the Consolidation
Agreement do not and will not result in any default or give rise to any right of
termination, cancellation or acceleration under any material note, bond,
mortgage, indenture or other agreement by which MSB or any of its Subsidiaries
is bound. The Merger Documents, when executed and delivered, will be a valid,
binding and enforceable obligation of MSB (except in all cases as such
enforceability may be limited by applicable bankruptcy, insolvency,
receivership, reorganization, moratorium, or similar laws affecting the
enforcement of creditors' rights generally and except that the availability of
the equitable remedy of specific performance or injunctive relief is subject to
the discretion of the court before which any proceeding may be brought).

         3.5 Financial Statements. The consolidated statements of financial
condition of MSB as of December 31, 1998 and 1997, and the related consolidated
statements of operations, changes in shareholder's equity, and cash flows for
each of the years in the three-year period ended December 31, 1998, as reported
by MSB's independent accountants, KPMG LLP, including all schedules and notes
relating thereto (the "MSB Financial Statements"), fairly present MSB's
financial condition and results of operations, on a consolidated basis, on the
dates and for the periods indicated, in conformity with generally accepted
accounting principles applied consistently throughout the periods

                                       17

<PAGE>   23



indicated (except as otherwise noted in said financial statements). The MSB
Financial Statements referred to in this Section 3.5 do not, as of the date
hereof, include any material assets or omit to state any material liability or
other facts, the inclusion or omission of which renders such MSB Financial
Statements, in light of the circumstances under which they were made, misleading
in any material respect. The consolidated reports of condition and income ("Call
Reports") of MSB for each of the five years ended December 31, 1998, and MSB's
statement of condition and statement of income, as of December 31, 1998,
including all schedules and notes relating thereto, are correct and complete in
all material respects, and fairly present MSB's financial condition and results
of operations for the dates and the periods indicated, and the Call Reports have
been prepared in accordance with the Call Report instructions on a consistent
basis.

         3.6 Absence of Undisclosed Liabilities. Except, as and to the extent
reflected or reserved against in the consolidated Statement of Financial
Condition of MSB, as of December 31, 1998, and notes thereto, MSB, on a
consolidated basis, has no material liabilities or obligations of any nature,
(whether accrued, absolute, contingent or otherwise) of a nature and amount
required to be reflected in such statement, or the notes thereto, in accordance
with GAAP.

         3.7 Loan Guarantees and Loss Reserves. To the best of its knowledge,
all material guarantees of indebtedness owed to the MSB Companies, including,
but not limited to, those of the Federal Housing Administration, the Small
Business Administration, the Farmers Home Administration, and other federal
agencies, are valid and enforceable in accordance with their respective terms.
MSB's allowance for loan losses reflected in MSB's Statement of Financial
Condition, pursuant to GAAP, was adequate to meet all loan losses then
reasonably anticipated, based upon the facts and circumstances known as of that
date.

         3.8 Title to Properties. The MSB Companies are the owner of all
material property and assets reflected in their audited Statement of Financial
Condition at December 31, 1998, free of any material liens and encumbrances,
except as noted therein, and except for changes thereafter in the ordinary
course of business, which changes are not in the aggregate material to MSB's
business. The MSB Companies have good and marketable title to all material
properties and assets acquired after December 31, 1998, free of liens and
encumbrances, except assets disposed of or encumbered in the ordinary course of
business. All material leases to which a MSB Company is a party are valid and
enforceable in accordance with their respective terms. Each material lease is
specifically identified in MSB's Disclosure Memorandum. The MSB Companies have
not received notice of any material violation of any applicable zoning
regulation, ordinance or other law, order, regulation or requirement relating to
its operations or properties.

         3.9 Governmental Regulation. The MSB Companies hold all material
licenses, certi ficates, permits, franchises and rights from all appropriate
federal, state or other public authorities necessary for the conduct of their
business. To the best of MSB's knowledge, the MSB Companies have conducted their
business so as to comply in all material respects with all applicable federal,
state and local statutes, regulations, ordinances or rules, particularly, but
not by way of limitation, applicable banking laws, federal and state securities
laws, and laws and regulations concerning truth-


                                       18
<PAGE>   24

in-lending, usury, fair credit reporting, equal credit opportunity, community
reinvestment, redlining, loan insurance and guarantee programs, privacy, trade
practices, consumer protection, occupational safety, civil rights, age
discrimination in employment, employee benefits, labor relations, fair
employment practices and fair labor standards.

         3.10 Absence of Litigation. Except as disclosed in Section 3.10 of the
MSB Disclosure Memorandum, there is no Litigation instituted or pending or, to
the knowledge of MSB, threatened (or unasserted but considered probable of
assertion and which, if asserted, would have at least a reasonable probability
of an unfavorable outcome) against any MSB Company, or against any asset,
interest, or right of any of them, that seeks to enjoin, delay, or prevent the
execution, delivery, or performance of the Merger Documents or the completion of
the transactions contemplated therein or herein, or that, if a judgment adverse
to a MSB Company were to be rendered in such Litigation, would have,
individually or in the aggregate, a Material Adverse Effect on MSB, nor are
there any orders of any Regulatory Authorities, other governmental authorities,
or arbitrators outstanding against any MSB Company that would have,
individually, or in the aggregate, a Material Adverse Effect on MSB. Section
3.10 of the MSB Disclosure Memorandum contains a copy of each audit letter
response received by MSB from attorneys for any MSB Company in connection with
the preparation of the MSB financial statements or otherwise since December 31,
1997, relating to any Litigation pending as of the date of this Agreement to
which any MSB Company is a party and which names any MSB Company as a defendant
or cross-defendant, and a brief summary report of any such litigation that is
not discussed in such audit letter responses.

         3.11     Reports and Securities Documents.

                   (a) Reports. MSB and each of the MSB Subsidiaries have timely
         filed all reports, registrations and statements, together with any
         amendments required to be made with respect thereto, that they were
         required to file since January 1, 1995 with the Regulatory Authorities,
         and all other reports and statements required to be filed by them since
         January 1, 1995, including, without limitation, any report or statement
         required to be filed pursuant to the laws, rules or regulations of the
         United States, any state, or any Regulatory Authority, and have paid
         all fees and assessments due and payable in connection therewith,
         except where the failure to file such report, registration or statement
         or to pay such fees and assessments, either individually or in the
         aggregate, will not have a Material Adverse Effect on MSB. Except for
         normal examinations conducted by Regulatory Authorities in the regular
         course of the business of MSB or the MSB Subsidiaries, no Regulatory
         Authority has initiated any proceeding or, to the best knowledge of
         MSB, investigation into the business or operations of MSB or any of MSB
         Subsidiaries since January 1, 1995. Except as provided in the MSB
         Disclosure Memorandum, there is no unresolved written violation,
         written criticism, or written exception by any Regulatory Authority
         with respect to any report or statement relating to any examinations of
         MSB or any of the MSB Subsidiaries, which is likely, either
         individually or in the aggregate, to have a Material Adverse Effect on
         MSB.


                                       19
<PAGE>   25


                  (b) Securities Documents. MSB has made available to IBC a true
         and complete copy of each report, schedule, registration statement and
         definitive proxy statement filed by MSB with the Office of Thrift
         Supervision ("OTS") (other than reports filed pursuant to Section 13(d)
         or 13(g) of the Exchange Act) since January 1, 1995 (as such documents
         have since the time of their filing been amended, the "MSB Securities
         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 MSB was required to file with the OTS since such
         date under the Exchange Act. As of their respective dates of filing
         with the OTS, the MSB Securities Documents complied in all material
         respects with the requirements of the Exchange Act, and the rules and
         regulations of the SEC thereunder applicable to such MSB Securities
         Documents, and did not contain any untrue statement of a material fact
         or omit 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. The financial statements of
         MSB included in the MSB Securities Documents complied as to form, as of
         their respective dates of filing with the OTS, in all material respects
         with applicable accounting 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 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 in
         all material respects the consolidated financial position of MSB and
         its consolidated Subsidiaries as of the dates thereof and the
         consolidated results of operations, changes in shareholders' equity and
         cash flows of such companies for the periods then ended. All material
         agreements, contracts and other documents required to be filed as
         exhibits to any of the MSB Securities Documents have been so filed.

         3.12     Tax Matters.   Except as may be disclosed in Section 3.12 of 
the MSB Disclosure Memorandum:

                  (a) All tax returns required to be filed by or on behalf of
         any of the MSB Companies have been timely filed or requests for
         extensions have been timely filed, granted, and have not expired for
         periods ended on or before December 31, 1998, and on or before the date
         of the most recent fiscal year end immediately preceding the Effective
         Time and all returns filed are complete and accurate, except for
         failures, if any, which, taken together, would not have a Material
         Adverse Effect on MSB. All Taxes shown on filed returns have been paid
         or adequate provision therefor has been made in the MSB Financial
         Statements. As of the date of this Agreement, there is no audit
         examination, deficiency, or refund Litigation with respect to any Taxes
         that is reasonably likely to result in a determination that would have,
         individually or in the aggregate, a Material Adverse Effect on MSB,
         except as reserved against in the MSB Financial Statements delivered
         prior to the date of this Agreement or as disclosed in Section 3.12 of
         the MSB Disclosure Memorandum. All Taxes and other liabilities due with
         respect to completed and settled Tax examinations or concluded

                                       20

<PAGE>   26



         Tax Litigation have been paid or adequate provision therefor has been
         made in the MSB financial statements.

                  (b) None of the MSB Companies has executed an extension or
         waiver of any statute of limitations on the assessment or collection of
         any Tax due (excluding such statutes that relate to years currently
         under examination by the Internal Revenue Service or other applicable
         taxing authorities) that is currently in effect.

                  (c) Adequate provision for any Taxes due or to become due for
         any of the MSB Companies for the period or periods through and
         including the date of the respective MSB financial statements has been
         made and is reflected on such MSB financial statements in accordance
         with GAAP.

                  (d) Deferred Taxes of the MSB Companies have been provided for
         in accordance with GAAP.

                  (e) Each of the MSB Companies is in material compliance with,
         and its records contain all information and documents (including
         properly completed IRS Forms W-9) necessary to comply with, all
         applicable information reporting and Tax withholding requirements under
         federal, state, and local Tax Laws, and such records identify with
         specificity all accounts subject to backup withholding under Section
         3406 of the Internal Revenue Code.

                  (f) Except as disclosed in Section 3.12 of the MSB Disclosure
         Memorandum, MSB has not received any notification of an audit of its
         federal income tax returns for any tax years since 1990.

         3.13 Conduct. Since December 31, 1998, neither MSB nor any of its
Subsidiaries has: (a) experienced any material adverse change in financial
condition, assets, liabilities or business; (b) conducted its business or
entered into any material transaction otherwise than in the ordinary course, or
incurred or become subject to any material liabilities or obligations except
current liabilities incurred in the ordinary course of business; (c) to the best
of MSB's knowledge, suffered any union organizational efforts or labor trouble,
or any event or condition of any character materially and adversely affecting
its business or prospects not generally affecting banks or thrifts in Michigan
in substantially the same manner and to substantially the same relative extent;
(d) paid, other than in the ordinary course of business, any material obligation
or liability other than those shown on the MSB Financial Statements or incurred
after the date thereof in the ordinary course of business; (e) mortgaged,
pledged or subjected to lien, charge or other encumbrance any of its material
assets, or sold or transferred any such material assets, except in the ordinary
course of business; (f) made or permitted any amendment or termination of any
material contract to which it is a party except for the expiration of contracts
at the end of their term and termination of contracts which are terminable by
the other party without any fault or omission on the part of MSB or a Subsidiary
of MSB; (g) issued or sold any of its bonds, debentures or other similar
corporate capital debt obligations; (h) declared


                                       21
<PAGE>   27


or set aside or paid any dividend or other distribution in respect to its
capital shares or, directly or indirectly, purchased, redeemed or otherwise
acquired any such shares; or (i) except for pay increases which have been
consistent with established past practice, granted any increase in the salary or
bonus payable, or to be payable, to any officer, director or holder of 5% or
more of the outstanding Bank Shares, or any spouse, child, parent or sibling of
any such Person, or to any employee whose annual rate of salary and bonus at
December 31, 1998, exceeded $50,000.

         3.14 Compliance with Laws. Each MSB Company has in effect all permits
necessary for it to own, lease, or operate its material assets and to carry on
its business as now conducted, except for those permits, the absence of which
are not reasonably likely to have, individually or in the aggregate, a Material
Adverse Effect on MSB, and there has occurred no default under any such permit,
other than defaults which are not reasonably likely to have, individually or in
the aggregate, a Material Adverse Effect on MSB. Except as disclosed in Section
3.17 of the MSB Disclosure Memorandum, no MSB Company:

              (a) Is in default under its governing documents;

              (b) Is in violation of any laws, orders, or permits applicable to
         its business or employees conducting its business, except for
         violations which are not reasonably likely to have, individually or in
         the aggregate, a Material Adverse Effect on MSB;

              (c) Has received any notification or communication from any agency
         or department of federal, state, or local government or any Regulatory
         Authority or the staff thereof (i) asserting that any such entity is
         not in compliance with any of the laws or orders which such
         governmental authority or Regulatory Authority enforces, where such
         noncompliance is reasonably likely to have a Material Adverse Effect on
         MSB, (ii) threatening to revoke any permits, the revocation of which is
         reasonably likely to have a Material Adverse Effect on MSB, or (iii)
         requiring any such entity to enter into or consent to the issuance of a
         cease and desist order, supervisory letter, formal agreement,
         directive, commitment, or memorandum of understanding, or to adopt any
         resolution of the Board of Directors of such entity or similar
         undertaking, which restricts materially the conduct of its business, or
         in any manner relates to its capital adequacy, its credit or reserve
         policies, its management, or the payment of dividends, and is subject
         to any such agreement under, letter of understanding; or

              (d) Directly or indirectly engages in any material activity
         prohibited to be conducted by any such entity, or owns any material
         assets prohibited to be held by such entity.

         3.15 Brokerage Fees. MSB has not employed any broker or finder in
connection with the transactions contemplated by this Agreement and has no
express or implied agreement with any Person or company relative to commissions
or finder's fees as to such transactions, except for fees



                                       22

<PAGE>   28



and commissions payable or to be payable to McConnell, Budd & Downes, Inc. as
described in Section 3.20 of the MSB Disclosure Memorandum.

         3.16 Contracts. Except as to contracts and agreements listed or
described in Section 3.16 of the MSB Disclosure Memorandum, as of the date of
this Agreement no MSB Company is a party to (in its own name or as successor in
interest to any predecessor) or bound by any material written or oral: (a)
employment, management or consulting contract or service agreement which by its
terms MSB knows or should know is not terminable by the MSB Company on 30 days'
notice or less without cost or penalty; (b) collective bargaining agreement with
any labor or trade union or association or employee group; (c) bonus, pension,
profit-sharing, retirement, stock option, stock purchase, hospitalization,
insurance or other similar plan providing for benefits for its employees; (d)
lease, installment purchase agreement or other contract with respect to any
property (real, personal or mixed) used or proposed to be used in the MSB
Company's operation; (e) contract or agreement for the purchase or disposition
of material, supplies, equipment or services; (f) instrument evidencing or
relating to indebtedness for money borrowed or money to be borrowed or creating
any lien or security interest in any real or personal property excluding such
instruments with customers relating to banking transactions; (g) contract or
agreement that by its terms requires the consent of any party thereto to the
consummation of the transactions contemplated by this Agreement; (h) agreement
not to compete in any line of business or any geographic area; (i) contract or
agreement (or outstanding solicitation for bids) for capital expenditures; (j)
any lease, indenture, note or other contract under which any MSB Company is in
material default; (k) any contract, except ordinary and customary banking
relationships and employment agreements, with any executive officer, director,
or holder of more than 5% of the outstanding stock of MSB; (l) any deferred
compensation or severance pay agreement; or (m) any other material agreement not
made in the ordinary course of the MSB Company's business. True and correct
copies of all contracts and agreements listed or described in MSB Disclosure
Memorandum are attached to the MSB Disclosure Memorandum except to the extent
described therein. As of the date of this Agreement, each MSB Company has in all
material respects performed all material obligations required to be performed by
it to date and is not in default under, and no event has occurred that, with the
lapse of time or action by a third party, could result in a default under any
outstanding indenture, mortgage, contract, lease or other agreement to which any
MSB Company is a party or by which any MSB Company is bound or under any
provision of its Articles of Incorporation or Bylaws.

         3.17 Duties as Fiduciary. As of the date of this Agreement, each MSB
Company does not exercise fiduciary powers, except as a document custodian for
FHLMC.

         3.18 Insurance. As of the date of this Agreement, the MSB Companies
have in effect insurance coverage on their assets, properties, premises,
operations and personnel in such amounts and against such risks and losses as
they reasonably believe to be adequate and customary for the business conducted
by the MSB Companies.

         3.19 Books and Records. To the best of MSB's knowledge, MSB's minute
books accurately reflect all actions taken by its shareholders, directors, and
committees of directors, and



                                       23

<PAGE>   29



such books, accounts and records of MSB have been maintained in a regular manner
and in compliance with all applicable laws.

         3.20 Employee Benefit Plans and Other Employee Matters.

              (a) The MSB Disclosure Memorandum includes a list of (1) all of
         the "pension" and "welfare" benefit plans (within the respective
         meanings of sections 3(2) and 3(1) of the Employee Retirement Income
         Security Act of 1974, as amended ["ERISA"]), and (2) all other bonus,
         deferred compensation, pension, retirement, profit sharing, thrift
         savings, employee stock ownership, stock bonus, stock purchase,
         restricted stock and stock option plans or programs, all employment or
         severance contracts, and any applicable "change in control" or similar
         provisions in any plan, program, policy, contract or arrangement,
         maintained by, or to which any MSB or any ERISA Affiliate has made
         payments or contributions, with respect to its employees (the "MSB
         Employee Benefit Plans"), together with a list of any such plans
         terminated since January 1, 1993, or merged into or consolidated with
         any of the current MSB Employee Benefit Plans. The MSB Disclosure
         Memorandum includes true and complete copies of all MSB Employee
         Benefit Plans, and such contracts or arrangements, including but not
         limited to, any trust instruments and/or insurance and investment
         contracts, if any, forming a part of any such MSB Employee Benefit
         Plan, and all amendments thereto, including but not limited to (i) the
         actuarial report for each MSB Employee Benefit Plan, if applicable, and
         the annual report (Form 5500 series), for each of the last three plan
         years, (ii) the current summary plan description (if applicable) for
         each MSB Employee Benefit Plan, and (iii) the most recent determination
         letter from the Internal Revenue Service (if applicable) for each MSB
         Employee Benefit Plan. No reportable event as defined by Section 4043
         of ERISA or the regulations thereunder for which the 30 day reporting
         requirement has not been waived has occurred with respect to any MSB
         Employee Benefit Plan subject to ERISA. Except as set forth in the MSB
         Disclosure Memorandum, no MSB Employee Benefit Plan has been terminated
         since January 1, 1993. MSB has not sought or obtained from the Internal
         Revenue Service any waiver of standard funding requirements under any
         MSB Employee Benefit Plan during the past five years. MSB's policies
         concerning hours worked by, and payments made to, employees of MSB have
         not been in violation of the Fair Labor Standards Act or any other
         applicable laws dealing with such matters. All payments due from MSB on
         account of each MSB Employee Benefit Plan have been paid or accrued as
         a liability on the books of MSB, and all severance payments which are
         or were due under the terms of any agreement, oral or written, have
         been paid or accrued as a liability on the books of MSB, except as set
         forth in Section 3.20 of the MSB Disclosure Memorandum.

              (b) Each MSB Employee Benefit Plan has been administered in
         substantial compliance with its terms and with all applicable
         provisions of ERISA, the Code and all other applicable laws and
         regulations. Each MSB Employee Benefit Plan, that is an employee
         pension benefit plan within the meaning of Section 3(2) of ERISA, and
         which is intended to be qualified under Section 401(a) of the Code, has
         received or applied for a


                                       24

<PAGE>   30



         favorable determination letter from the IRS, and MSB is not aware of
         any circumstances likely to result in the revocation of any such
         favorable determination letter. MSB's Employee Stock Ownership Plan
         satisfies the requirements for an employee stock ownership plan under
         Section 4975(e)(7) of the Code.

              (c) There is no material pending or threatened litigation or
         government investigation relating to any of the MSB Employee Benefit
         Plans. Neither MSB or any of its ERISA Affiliates has engaged in a
         transaction with respect to any MSB Employee Benefit Plan that could
         subject MSB or any of its ERISA Affiliates or any other party to a tax
         or penalty imposed by Section 4975 of the Code, or Sections 502(i) or
         502(l) of ERISA in an amount that would be material.

              (d) No liability under Title IV of ERISA has been, or is expected
         to be, incurred by MSB or any of its ERISA Affiliates, with respect to
         any ongoing, frozen or terminated "single-employer plan" within the
         meaning of Section 4001(a)(15) of ERISA, currently or formerly
         maintained by any of them, or a single-employer plan of any entity
         which is considered one employer with MSB or any of its ERISA
         Affiliates.

              (e) Neither MSB nor any of its ERISA Affiliates has incurred or
         expects to incur any withdrawal liability with respect to a
         Multiemployer Plan (as defined in Sections 3(37) and 40001(a)(3) of
         ERISA) under Subtitle E of Title IV of ERISA. No MSB Employee Benefit
         Plan has an accumulated funding deficiency (whether or not waived)
         within the meaning of Section 412 of the Code or Section 302 of ERISA.
         Except as set forth in the MSB Disclosure Memorandum, neither MSB nor
         any of its ERISA Affiliates has provided or is required to provide
         security to any MSB Employee Benefit Plan pursuant to Section
         401(a)(29) of the Code. Neither MSB nor any of its ERISA Affiliates
         presently contributes to, or is currently a party to, any
         Multi-Employer Plan or any plan that is or was subject to Title IV of
         ERISA.

              (f) Except as set forth in the MSB Disclosure Memorandum, or as
         required pursuant to Section 4980B of the Code and Sections 601 through
         609 of ERISA, neither MSB nor any of its ERISA Affiliates has any
         obligations for retiree health and life benefits under any MSB Employee
         Benefit Plan.

              (g) Except as set forth in the MSB Disclosure Memorandum or as
         provided for in this Agreement, the consummation of the transactions
         contemplated by this Agreement will not, either alone or in combination
         with another event, (i) entitle any current or former employee, officer
         or director of MSB or an ERISA Affiliate to severance pay, unemployment
         compensation or other payment except as expressly provided in this
         Agreement, or (ii) accelerate the time of payment or vesting, or
         increase the amount, of compensation due any such employee, officer or
         director. No MSB Employee Benefit Plan provides for payment of any
         amount which, considered in the aggregate with amounts payable pursuant
         to all other

                                       25

<PAGE>   31



         MSB Employee Benefit Plans, would exceed the amount deductible for
         federal income tax purposes by virtue of Section 280G of the Code.

              (h) For purposes of this Section, the term ERISA Affiliate
         includes each entity that is (i) a member of a controlled group of
         corporations with MSB, (ii) under common control with MSB, or (iii) a
         member of an affiliated service group with MSB, within the meaning of
         Sections 414(b), (c), (m) and (o) of the Code.

         3.21 Environmental Liability. There are no material actions, suits,
investigations, liabilities, inquiries or other proceedings, rules, orders or
citations involving any MSB Company, or any of its material assets, pending or
threatened as a result of any failure of any MSB Company, or any predecessor
thereof, to comply with any requirement of federal, state, local or foreign law,
civil or common, or regulation relating to air, water, soil, solid waste
management, hazardous or toxic substances, or the protection of health or the
environment, nor is there, to the knowledge of MSB, any factual basis for any of
the foregoing. None of the property owned or leased by any MSB Company is, to
the knowledge of MSB, contaminated with any waste or hazardous substances except
as disclosed in a baseline environmental assessment, dated December 12, 1997,
pertaining to the Landmark Plaza Building in Bay City, Michigan. To the
knowledge of MSB after reasonable investigation, no MSB Company is or may be
deemed to be an "owner or operator" of a "facility" or "vessel" which owns,
possesses, transports, generates, or disposes of a "hazardous substance," as
those terms are defined in Section 9601 of the Comprehensive Environmental
Response, Compensation and Liability Act of 1980, 42 U.S.C.A. ss. 9601 et. seq.

         3.22 Community Reinvestment Act Compliance. No MSB Company has received
any notice of non-compliance with the applicable provisions of the CRA and the
regulations promulgated thereunder, and MSB has received a CRA rating of
satisfactory or better from the OTS. MSB knows of no fact or circumstance or set
of facts or circumstances which would cause any MSB Company to fail to comply
with such provisions or to cause the CRA rating of any MSB Company to fall below
satisfactory.

         3.23 Statements True and Correct. None of the information supplied or
to be supplied by any MSB Company or any Affiliate thereof for inclusion in the
Registration Statement to be filed by IBC with the SEC will, when the
Registration Statement becomes effective, be false or misleading with respect to
any material fact, or omit to state any material fact necessary to make the
statements therein not misleading. None of the information supplied or to be
supplied by any MSB Company or any Affiliate thereof for inclusion in the Proxy
Statement/Prospectus to be mailed to MSB's shareholders in connection with the
MSB Shareholders' Meeting or the Proxy Statement/Prospectus to be mailed to
IBC's shareholders in connection with the IBC Shareholder's Meeting, and any
other documents to be filed by MSB or any Affiliate thereof with the SEC, the
OTS or any other Regulatory Authority in connection with the transactions
contemplated by the Merger Documents, will, at the respective time such
documents are filed, and with respect to the Proxy Statement/Prospectus, when
first mailed to the respective shareholders of MSB and IBC, be false or
misleading with respect to any material fact, or omit to state any material fact
necessary to make

                                       26

<PAGE>   32



the statements therein, in light of the circumstances under which they were
made, not misleading, or, in the case of the Proxy Statement/Prospectus or any
amendment thereof or supplement thereto, at the time of the MSB or IBC
Shareholders' Meeting, as applicable, be false or misleading with respect to any
material fact, or omit to state any material facts necessary to correct any
statement in any earlier communication with respect to the solicitation of any
proxy for the MSB or IBC Shareholders' Meeting. All documents that any MSB
Company or any Affiliate thereof is responsible for filing with any Regulatory
Authority in connection with the transactions contemplated by the Merger
Documents will comply as to form in all material respects with the provisions of
applicable law. Neither this Agreement nor any schedule, statement, list,
certificate or other written information furnished or to be furnished by MSB in
connection with this Agreement contains or will contain any untrue statement of
a material fact or omits or will omit to state a mate rial fact necessary to
make the statements contained herein or therein, in light of the circumstances
in which they are made, not misleading.

         3.24 Tax, Regulatory, and Pooling Matters. No MSB Company nor, to the
knowledge of MSB, any Affiliate thereof, has taken any action or has any
knowledge of any fact or circumstance that is reasonably likely to (i) prevent
the transactions contemplated by the Merger Documents, including the
Consolidation, from qualifying as a reorganization within the meaning of Section
368(a) of the Internal Revenue Code, (ii) impede or materially delay receipt of
any consents of Regulatory Authorities referred to in Section 5.1(b) of this
Agreement, or (iii) prevent IBC from accounting for the Consolidation as a
pooling of interests in accordance with GAAP and applicable SEC regulations.

         3.25 Year 2000. Each MSB Company's computers, data processing systems
and other equipment are Year 2000 compliant in all material respects, or are
reasonably expected to be Year 2000 compliant prior to December 31, 1999. The
MSB Companies have implemented Year 2000 compliance procedures appropriate for
the banking industry with respect to their loan customers and vendors.

         3.26 "Material" Defined. Except where the context otherwise indicates,
the term "material" as applied to MSB and its Subsidiaries refers to MSB and its
Subsidiaries on a consolidated basis, considering MSB and its Subsidiaries and
their assets and businesses as a whole.

         3.27 Stock Transactions. Except for the transactions described in MSB
Disclosure Memorandum, to the knowledge of MSB after reasonable investigation,
no executive officer or director of MSB, and no Person related to any such
officer or director by blood or marriage and residing in the same household, has
since December 31, 1998, purchased or sold or caused to be purchased or sold any
shares of MSB of which such officer, director or related Person is a record or
beneficial owner as determined under Regulation 13d-3 under the Securities
Exchange Act of 1934, as amended.


                                       27

<PAGE>   33



         3.28 Disclosure of Deeds, Leases, Agreements, Etc. MSB has furnished to
IBC and specifically identified in Section 3.28 of the MSB Disclosure
Memorandum, true copies of the following documents:

              (a) Deeds and Titles. Deeds or other relevant title documents
         relating to all real estate actively utilized by any MSB Company in the
         conduct of its business and a complete and correct list of all items of
         personal property which had a net after depreciation book value in
         excess of $20,000 as of December 31, 1998, reflected in the books and
         records of MSB as being owned (including those reflected in the balance
         sheet of MSB as of December 31, 1998, except as since disposed of in
         the ordinary course of business).

              (b) Lease Agreements. All leases pursuant to which any MSB Company
         as lessee leases real or personal property, excepting leases as to
         personal property under which the aggregate lease payments do not
         exceed $10,000 for the current term of the lease.

              (c) Agreements. (i) All contracts and agreements with respect to
         any real property used or proposed to be used in the operations of any
         MSB Company which obligate any MSB Company to make aggregate annual
         payments in excess of $10,000 or are not terminable at least annually
         without penalty; (ii) all material data processing agreements, service
         agreements, consulting agreements, or any similar arrangements not
         terminable by the MSB Company upon 30 days or less notice without
         penalties; (iii) all contracts or agree ments for the purchase or
         disposition of material, equipment, supplies, or other personal
         property or the purchase of services which obligate any MSB Company to
         make aggregate payments in excess of $10,000 or are not terminable at
         least annually without penalty.

              (d) Insurance Policies. All material policies of insurance
         maintained by any MSB Company with respect to assets, properties,
         premises, operations and personnel, and copies of the most recent
         insurance audit, review or report, if any.

              (e) Charter Documents and Bylaws. The Charter of MSB and the
         Articles or Certificate of Incorporation of its Subsidiaries, together
         with the Bylaws of MSB and its Subsidiaries, including all amendments
         to date.

         3.29 Takeover Laws. Each MSB Company has taken all necessary steps to
exempt the transactions contemplated by this Agreement and the Consolidation
Agreement from any applicable state or federal takeover law.

         3.30 Charter Provisions. MSB has taken all action so that the entering
into of the Merger Documents and the consummation of the Consolidation and the
other transactions contemplated by the Merger Documents do not and will not
result in the grant of any rights to any Person under the governing documents of
any MSB Company or restrict or impair the ability of IBC or any of its
Subsidiaries to vote, or otherwise to exercise the rights of a shareholder with
respect to, shares of MSB that may be directly or indirectly acquired or
controlled by IBC or any of its Subsidiaries.


                                       28

<PAGE>   34



         3.31 Indemnification. Except as provided in the Charter and in the
Bylaws of MSB and its Subsidiaries, neither MSB nor any of its Subsidiaries is a
party to any indemnification agreement with any of its present or future
directors, officers, employees, agents or other persons who serve or served in
any other capacity with any other enterprise at the request of MSB or a
Subsidiary of MSB (a "Covered Person"), and except for existing indemnification
obligations to certain current and former officers and directors of MSB relating
to the Pending Litigation, to the best knowledge of MSB, there are no claims for
which any Covered Person would be entitled to indemnification under Section 4.16
if such provisions were deemed to be in effect.

                                   ARTICLE IV
                                CERTAIN COVENANTS

         4.1  Material Adverse Changes. Each Party agrees to give written notice
promptly to the other Party upon becoming aware of any change or any condition,
event or circumstance, fact or occurrence (other than general economic or
competitive conditions), other than as provided in this Agreement, that may
reasonably be expected to result in a material adverse change in the business,
properties, financial condition, loan portfolio, operations or prospects
relating to it or any of its Subsidiaries, taken as a whole, or which would
cause or constitute a material breach of any of its representations, warranties,
or covenants contained herein, and to use its reasonable efforts to prevent or
promptly to cure the same.

         4.2  Reports. Each Party and its Subsidiaries shall file all reports
required to be filed by it with Regulatory Authorities between the date of this
Agreement and the Effective Time and shall deliver to the other Party copies of
all such reports promptly after the same are filed. If financial statements are
contained in any such reports filed pursuant to the Securities Exchange Act of
1934 (the "1934 Act") with the SEC (in the case of IBC) or the OTS (in the case
of MSB), such financial statements will fairly present the consolidated
financial position of the entity filing such statements as of the dates
indicated and the consolidated results of operations, changes in shareholders'
equity, and cash flows for the periods then ended in accordance with GAAP
(subject in the case of interim financial statements to normal recurring
year-end and audit adjustments that are not material). As of their respective
dates, such reports filed pursuant to the 1934 Act with the SEC (in the case of
IBC) or the OTS (in the case of MSB) will comply in all material respects with
the applicable securities laws and will 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. Any financial statements contained
in any other reports to another regulatory authority shall be prepared in
accordance with the laws, rules and regulations applicable to such reports.

         4.3  Registration Statement; Proxy Statement/Prospectus; Shareholder
Approvals.

              (a) As soon as practicable after execution of this Agreement, IBC
         shall file a Registration Statement with the SEC on an appropriate form
         under the Securities Act of 1933, as amended (the "1933 Act"), and
         shall use its reasonable efforts to cause the

                                       29

<PAGE>   35



         Registration Statement to become effective under the 1933 Act, and
         thereafter, until the Effective Time or termination of this Agreement,
         to keep same effective and, if necessary, amend and supplement same and
         take any action required to be taken under the applicable state Blue
         Sky or securities laws in connection with the issuance of the shares of
         IBC Common Stock upon consummation of the Consolidation. Such
         Registration Statement and any amendments and supplements thereto are
         referred to herein as the "Registration Statement." The Registration
         Statement shall include a Proxy Statement/Prospectus thereto reasonably
         acceptable to IBC and MSB, prepared by IBC and MSB for use in
         connection with the meetings of their respective shareholders, all in
         accordance with the rules and regulations of the SEC. MSB shall furnish
         all information concerning it and the holders of its capital stock as
         IBC may reasonably request in connection with such action.

              (b) Promptly following filing of the Registration Statement with
         the SEC, MSB shall file the Proxy Statement/Prospectus with the OTS and
         shall use its reasonable efforts to cause the Proxy
         Statement/Prospectus to be cleared by the OTS for mailing to MSB's
         shareholders. In advance of filing the Registration Statement, IBC
         shall provide MSB and its counsel with a copy of the Registration
         Statement and provide an opportunity to comment thereon, and thereafter
         shall promptly advise MSB and its counsel of any material communication
         received by IBC or its counsel from the SEC with respect to the
         Registration Statement. None of the information furnished by IBC or MSB
         for inclusion in the Registration Statement, Proxy Statement/Prospectus
         or any other document filed with the SEC, the OTS, or any state
         securities commission in connection with the transactions contemplated
         by this Agreement, at the respective times at which such documents are
         filed with the SEC or such state securities commission, or, in the case
         of the Registration Statement, when it becomes effective, or in the
         case of the Proxy Statement/Prospectus, when mailed or at the time of
         the IBC and MSB meetings of shareholders, shall be false or misleading
         with respect to any material fact or shall omit to state any material
         fact necessary in order to make the statements therein, in light of the
         circumstances in which they were made, not misleading.

              (c) MSB and IBC shall each call shareholders' meetings, to be held
         as soon as reasonably practicable after the Registration Statement is
         declared effective by the SEC and the Proxy Statement/Prospectus is
         cleared for mailing by the OTS, for the purpose of voting upon approval
         of this Agreement, the Consolidation Agreement, the Consolidation, and
         such other related matters as each deems appropriate. In connection
         with the shareholders' meetings, (i) MSB and IBC shall mail the Proxy
         Statement/Prospectus to their respective shareholders after the SEC
         declares the Registration Statement effective and the OTS clears the
         Proxy Statement/Prospectus and related proxy materials for mailing,
         (ii) the Parties shall furnish to each other all information concerning
         them that they may reasonably request in connection with the Proxy
         Statement/Prospectus, (iii) the respective Boards of Directors of MSB
         and IBC shall recommend (subject to compliance with their fiduciary
         duties as advised by counsel) to MSB's shareholders and IBC's
         shareholders respectively, the approval of this Agreement, the
         Consolidation Agreement, and the Consolidation, and (iv) the respective


                                       30

<PAGE>   36



         Boards of Directors and officers of MSB and IBC shall (subject to
         compliance with their fiduciary duties as advised by counsel) use their
         reasonable efforts to obtain such shareholders' approval.

         4.4  Applications. IBC shall promptly prepare and file, and MSB shall
cooperate in the preparation and, where appropriate, the filing of, applications
with any Regulatory Authorities having jurisdiction over the transactions
contemplated by this Agreement and the Consolidation Agreement, seeking the
requisite approvals and consents necessary to consummate the transactions
contemplated by this Agreement and the Consolidation Agreement (such approvals
and consents are hereinafter referred to as "Requisite Regulatory Approval").
Notwithstanding the preceding sentence, IBC shall proceed immediately with the
filing of the following regulatory applications necessary to organize New Bank:
IBC shall file or cause to be filed (i) with the Michigan Financial Institutions
Bureau an application to form New Bank pursuant to Section 130 of the Banking
Code, (ii) the appropriate application with the Board of Governors of the
Federal Reserve System for permission for IBC to acquire New Bank, if necessary,
and (iii) the appropriate application with the FDIC, which applications shall be
filed no later than 30 days after the date of this Agreement. In advance of
filing the regulatory applications, IBC shall provide MSB and its counsel with a
copy of the applications and provide an opportunity to comment thereon, and
thereafter shall promptly advise MSB and its counsel of any material
communication received by IBC or its counsel from the Regulatory Authorities
with respect to the applications. IBC shall use its reasonable efforts to obtain
the Requisite Regulatory Approval referred to in this Section 4.4.

         4.5  Agreement as to Efforts to Consummate. Subject to the terms and
conditions of this Agreement, each Party agrees to use, and to cause its
Subsidiaries to use, its reasonable efforts to take, or cause to be taken, all
actions, and to do, or cause to be done, all things necessary, proper, or
advisable under applicable laws to consummate and make effective, as soon as
practicable after the date of this Agreement, the transactions contemplated by
this Agreement and the Consolidation Agreement, and to cause to be satisfied the
conditions precedent to consummation of the Consolidation; provided, that
nothing herein shall preclude either Party from exercising its rights under this
Agreement. Each Party shall use, and shall cause each of its Subsidiaries to
use, its reasonable efforts to obtain all consents necessary or desirable for
the consummation of the transactions contemplated by this Agreement and the
Consolidation Agreement. The Parties shall deliver to each other, copies of all
filings, correspondence, and orders to and from all Regulatory Authorities in
connection with the transactions contemplated by this Agreement and the
Consolidation Agreement.

         4.6  Investigation and Confidentiality.

              (a) Prior to the Effective Time, each Party shall keep the other
         Party advised of all material developments relevant to its business and
         to consummation of the Consolidation and shall permit the other Party
         to make or cause to be made such investigation of the business and
         properties of it and its Subsidiaries and of their respective financial
         and legal conditions as the other Party reasonably requests, provided
         that such investigation shall be

                                       31

<PAGE>   37



         made after reasonable prior notice and during regular business hours,
         shall be reasonably related to the transactions contemplated by this
         Agreement and the Consolidation Agreement, and shall not interfere
         unnecessarily with normal operations. No investigation by a Party shall
         affect the representations and warranties of the other Party.

              (b) Each Party shall, and shall cause its advisers and agents to,
         maintain the confidentiality of all information (other than such
         information as shall be in the public domain or otherwise ascertainable
         from public or outside sources) furnished to it by or on behalf of the
         other Party pursuant to Section 4.6(a) concerning its and its
         Subsidiaries' businesses, operations, and financial positions and shall
         not use such information for any purpose except in furtherance of the
         transactions contemplated by this Agreement and the Consolidation
         Agreement. If this Agreement is terminated prior to the Effective Time,
         each Party shall promptly return or certify the destruction of all
         documents and copies thereof, and all work papers containing
         information (other than such information as shall be in the public
         domain or otherwise ascertainable from public or outside sources)
         received from the other Party.

              (c) Each Party agrees to give the other Party notice as soon as
         practicable after any determination by it of any fact or occurrence
         relating to the other Party which it has discovered through the course
         of its investigation and which represents, or is reasonably likely to
         represent, either a material breach of any representation, warranty,
         covenant or agreement of the other Party or which has had or is
         reasonably likely to have a Material Adverse Effect on the other Party.

         4.7  Press Releases. Prior to the Effective Time, MSB and IBC shall
consult with each other as to the form and substance of any press release or
other public disclosure related to this Agreement and the Consolidation
Agreement or any transaction contemplated thereby; provided, that nothing in
this Section 4.7 shall be deemed to prohibit any Party from making any
disclosure it believes is required by law.

         4.8  Tax and Accounting Treatment. Each of the Parties undertakes and
agrees to use its reasonable efforts to cause the Consolidation, and to take no
action which would cause the Consolidation not to qualify for treatment as a
"reorganization" within the meaning of Section 368(a) of the Internal Revenue
Code for federal income tax purposes and to be accounted for as a "pooling of
interests" for financial statement reporting purposes.

         4.9  Survival of Representations and Warranties. None of the
representations and warranties of the parties in this Agreement or the
Consolidation Agreement shall survive the Effective Time.

         4.10 Affirmative Covenants Regarding Conduct of MSB's Business Pending
Effective Time. From the date hereof until the Effective Time, MSB agrees that,
except as consented to by IBC in writing, MSB shall:



                                       32

<PAGE>   38



              (a) Use its best efforts to maintain its real and personal
         properties in their present state of repair, order and condition,
         reasonable wear and tear excepted;

              (b) Maintain its books, accounts and records in a manner
         consistent with past practice and, where applicable, in accordance with
         generally accepted accounting principles or regulatory standards, as
         applicable;

              (c) Comply with all laws applicable to the conduct of its
         business;

              (d) Conduct its business only in the usual, regular and ordinary
         course consistent with past practice;

              (e) Make no change in its Charter or Bylaws;

              (f) Use its best efforts to maintain and keep in full force and
         effect all fire and other insurance on property and assets, all of the
         liability and other casualty insurance, and all bonds on personnel,
         presently carried by it; and

              (g) Use all reasonable efforts to preserve its business
         organization intact, to keep available the services of its present
         officers and employees, and to preserve the goodwill of its customers
         and others having business relations with it.

         4.11 Negative Covenants Regarding Conduct of MSB's Business Pending
Effective Time. From the date hereof until the Effective Time, MSB agrees that,
except as consented to by IBC in writing, MSB shall not:

              (a) (i) solicit, encourage or authorize any individual,
         corporation or other entity to solicit from any third party any
         inquires or proposals relating to or which may be reasonably expected
         to lead to an Acquisition Transaction (as hereinafter defined), except
         pursuant to a written direction from a Regulatory Authority, or (ii)
         negotiate with or entertain any proposals from any other person for any
         such Acquisition Transaction, except pursuant to a written direction
         from any Regulatory Authority or upon the receipt of an unsolicited
         offer from a third party where the Board of Directors of MSB reasonably
         believes, upon the written opinion of counsel, that its fiduciary
         duties require it to enter into discussions with such party.
         Furthermore, except to the extent necessary to comply with the
         fiduciary duties of MSB's Board of Directors, as advised by counsel,
         neither MSB nor any Affiliate or representative thereof shall furnish
         any non-public information that it is not legally obligated to furnish
         in connection with, or enter into any contract with respect to, any
         Acquisition Transaction, but MSB may communicate and disclose
         information about such a proposal to engage in an Acquisition
         Transaction to its shareholders if and to the extent that it is
         required to do so in order to comply with its legal obligations as
         advised by counsel. MSB will immediately cease and cause to be
         terminated any existing activities, discussions, or negotiations with
         any parties previously conducted with respect to any of the foregoing
         and


                                       33

<PAGE>   39



         agrees to enforce its rights under any confidentiality agreements to
         which it or any of its Subsidiaries is a party. MSB shall promptly
         notify IBC of all of the relevant details relating to all inquiries and
         proposals that it may receive relating to any Acquisition Transaction
         and shall keep IBC informed of the status and details of any such
         inquiry or proposal, and shall give IBC five days' advance notice of
         any agreement to be entered into with, or any information to be
         supplied to, any person making such inquiry or proposal. Nothing
         contained in this Section 4.11(a) shall prohibit MSB from disclosing to
         its shareholders a position contemplated by Rule 14e-2(a) under the
         Exchange Act with respect to a tender offer for MSB's Common Stock.

              (b) Sell, mortgage, pledge, encumber or otherwise dispose of any
         of its material property and assets otherwise than in the ordinary
         course of business except as to dispositions that MSB is compelled to
         make or over which it has no control, which it will use its best
         efforts to prevent;

              (c) Repurchase, redeem, or otherwise acquire or exchange (other
         than purchases or exchanges in the ordinary course under employee
         benefit plans), directly or indirectly, any shares, or securities
         convertible into any shares, of the capital stock of MSB;

              (d) Declare or pay any dividends, or make any other distribution
         in respect of its capital stock, in liquidation or otherwise;

              (e) Except for purchases of U.S. Treasury securities or U.S.
         Government agency securities, which in either case have maturities of
         three years or less, or commercial paper, agreements to repurchase or
         federal funds, which in all cases shall have maturities of ninety (90)
         days or less, purchase any securities or make any material investment,
         either by purchase of stock or securities, contributions to capital,
         asset transfers, or purchase of any assets, in any Person other than a
         wholly owned MSB Subsidiary, or otherwise acquire direct or indirect
         control over any Person, other than in connection with (i) foreclosures
         in the ordinary course of business, (ii) acquisitions of control by a
         depository institution Subsidiary in its fiduciary capacity, or (iii)
         the creation of new wholly owned subsidiaries organized to conduct and
         continue activities otherwise permitted by this Agreement;

              (f) (i) grant any increase in compensation or benefits to the
         employees or officers of any MSB Company, except as made in the
         ordinary course of business and not inconsistent with past practices or
         as required by law; (ii) pay any severance or termination pay or any
         bonus other than pursuant to written policies or written contracts in
         effect on the date of this Agreement, except as disclosed in Section
         4.11(f) of the MSB Disclosure Memorandum; (iii) enter into or amend any
         severance agreements with officers of MSB; (iv) grant any increase in
         fees or other increases in compensation or other benefits to the
         directors of MSB; (v) voluntarily accelerate the vesting of any
         employee benefits, other than pursuant to written policies or written
         contracts in effect on the date of this Agreement; (vi) grant any stock
         appreciation rights, cash awards, or any rights to acquire MSB
         securities under any


                                       34

<PAGE>   40



         MSB stock option plan; or (vii) enter into or amend any employment
         contract between MSB and any Person (unless such amendment is required
         by law) that is not terminable on 30 days' notice or less without
         penalty or obligation (beyond the notice period of 30 days or less);

              (g) Adopt or agree to adopt any pension, profit-sharing or
         employee benefit plan, fringe benefit program or other plan or program
         of any kind for the benefit of its employees or directors, or make any
         material change in or to, any existing MSB Employee Benefit Plan,
         except as may be necessary to comply with applicable laws or
         regulations, or as permitted by this Agreement, or make any
         distributions from or contribution payment to such MSB Employee Benefit
         Plan except as required by law or the terms of such plans and
         consistent with MSB's past practice or as permitted by this Agreement;

              (h) Pay, agree to pay, or incur aggregate liabilities in excess of
         $30,000 in any single transaction for the purchase or lease of real
         property, fixtures, equipment or other capital assets except normal
         replacements, or except as provided in the MSB Disclosure Memorandum;

              (i) Enter into or commit to enter into any agreement to purchase
         trust, consulting, professional, data processing or other material
         non-employee services which is not terminable by MSB without cost or
         penalty upon thirty days' notice;

              (j) Terminate (excluding failure to exercise a renewal option) or
         amend any material lease or other material agreement except for the
         expiration of contracts at the end of their term and termination of
         contracts which are terminable by the other party without any fault or
         omission on the part of MSB;

              (k) Except as disclosed in the MSB Disclosure Memorandum, open or
         materially enlarge or remodel any of MSB's facilities;

              (l) Lease, purchase, or otherwise acquire any real property for
         use as a branch bank;

              (m) Apply for regulatory approval of any new branch banking
         facility;

              (n) Make any change in the number of its capital shares issued and
         outstanding, except pursuant to the exercise of the MSB Stock Options
         or under the terms of the Warrant Purchase Agreement and Warrant;

              (o) Do or fail to do anything that would cause a breach of, or a
         default under, any contract, commitment, obligation, plan, trust or
         other arrangement as to which MSB or any MSB Company is a party, or by
         which MSB or any MSB Company is bound;


                                       35

<PAGE>   41



              (p) Make any borrowings except in the ordinary course of business;

              (q) Make any significant change in any tax or accounting methods
         or systems of internal accounting controls, except as may be
         appropriate to conform to changes in tax laws or regulatory accounting
         requirements or GAAP or as provided by this Agreement; or

              (r) Commence any Litigation other than in the ordinary course of
         business in accordance with past practice, or settle any Litigation
         involving any liability of MSB for material money damages or
         restrictions upon the operations of MSB or any of its Subsidiaries.

         4.12 Affiliate Agreements. MSB shall deliver to IBC not later than 30
days prior to the Effective Time, a written agreement, in a form attached hereto
as Exhibit C, from each director and executive officer of MSB and from those
Persons whom MSB reasonably believes to be an "affiliate" of MSB for purposes of
Rule 145 under the 1933 Act or the comparable OTS regulation or within the
meaning of SEC Staff Accounting Bulletin No. 65 (interpreting certain
requirements for treating a business combination as a pooling of interests).

         4.13 Certain Policies of MSB. At the request of IBC, MSB shall use its
best efforts to modify and change its loan, litigation, and real estate
valuation policies and practices (including loan classifications and levels of
reserves) prior to or at the Effective Time so as to be consistent on a mutually
satisfactory basis with those of IBC and GAAP. MSB's representations,
warranties, covenants and agreements provided in this Agreement and the
Consolidation Agreement shall not be deemed untrue or breached in any respect as
a consequence of any modifications or changes undertaken solely on account of
this Section 4.13. Furthermore, MSB shall not be required to take any action
required by this Section 4.13 more than five (5) days prior to the Effective
Time, unless IBC agrees in writing that all conditions to closing set forth in
Article V have been satisfied or waived, or, in any event, before the
shareholders of MSB approve the Consolidation.

         4.14 Employee Benefits and Contracts.

              (a) ESOP. The following provisions will apply with respect to the
         Mutual Savings Bank Employee Stock Ownership Plan and Trust ("MSB
         ESOP"):

                  (i) All cash currently held in the MSB ESOP Suspense Account
              and attributable to certain securities litigation settlement
              proceeds received by the MSB ESOP (the "Litigation Proceeds"),
              shall be allocated to accounts of participants in the MSB ESOP as
              of the Effective Time ("MSB ESOP Participants") and former MSB
              ESOP Participants. Such allocation shall be made (a) pursuant to
              the terms of the MSB ESOP in effect as of the Effective Time, and
              (b) as soon as practicable after the receipt of a Private Letter
              Ruling requested from the Internal Revenue Service ("IRS") with
              respect to the treatment of the Litigation Proceeds pursuant to
              Section 415 of the Code.

                                       36

<PAGE>   42



                  (ii) All cash allocated to the accounts of MSB ESOP
              Participants and former MSB ESOP Participants as applicable, as
              set forth in Section 4.14(a)(i) above, and all remaining cash to
              be allocated to the MSB ESOP Participant Accounts and attributable
              to the Litigation Proceeds, will be distributed to, or rolled over
              by, MSB ESOP Participants and former MSB ESOP Participants as
              applicable, at their election, pursuant to the terms of the MSB
              ESOP in effect at the Effective Time. Such distributions or
              rollovers shall be made as soon as practicable after the later to
              occur of the Effective Time or the date of receipt of the
              aforementioned IRS Private Letter Ruling.

                  (iii) From and after the date of this Agreement and
                  in anticipation of the aforementioned allocations,
                  distributions and rollovers from the MSB ESOP, IBC, MSB and
                  their respective representatives prior to the Effective Time,
                  and IBC and its representatives after the Effective Time,
                  shall use their best efforts to obtain such Private Letter
                  Ruling from the IRS. In the event that IBC, MSB and their
                  respective representatives prior to the Effective Time, and
                  IBC and its representatives after the Effective Time,
                  reasonably determine that the MSB ESOP cannot obtain the
                  Private Letter Ruling, or that amounts attributable to the
                  Litigation Proceeds cannot be so applied, allocated,
                  distributed or rolled over without causing the MSB ESOP to
                  lose its tax-qualified status or to exceed the limitations set
                  forth in Section 415 of the Code, MSB prior to the Effective
                  Time and IBC after the Effective Time, and their respective
                  representatives, shall take such action as they may reasonably
                  determine with respect to the allocation, distribution and
                  rollover of the Litigation Proceeds to MSB ESOP Participants
                  and former MSB ESOP Participants pursuant to the terms of the
                  MSB ESOP in effect as of the Effective Time, provided that the
                  Litigation Proceeds shall be held or paid only for the benefit
                  of MSB ESOP Participants and former MSB ESOP Participants, and
                  provided further that in no event shall any portion of such
                  amounts held in the MSB ESOP revert directly or indirectly to
                  MSB or any Affiliate thereof, or to IBC or any Affiliate
                  thereof.

                  (iv) The MSB ESOP shall be merged with and into the
              Independent Bank Corporation Employee Stock Ownership Plan and
              Trust ("IBC ESOP") as soon as practicable after the later to occur
              of (a) the completion of the cash allocations, distributions, and
              rollovers described in Sections 4.14(a)(i) through (iii) above, or
              (b) the Effective Time.

                  (v) As of the effective date of the merger of the MSB ESOP and
              the IBC ESOP, remaining account balances of MSB ESOP Participants
              who are not then employed by IBC or an Affiliate thereof shall be
              distributed to, or rolled over by, such MSB ESOP Participants
              based upon the vesting schedule set forth in the MSB ESOP as of
              the Effective Time.

                  (vi) Remaining account balances of MSB ESOP Participants who
              are employed by IBC or an Affiliate thereof on the effective date
              of the merger of the MSB ESOP and the


                                       37

<PAGE>   43


              IBC ESOP, will be maintained for their benefit in separate
              accounts established under the IBC ESOP and will vest in such MSB
              ESOP Participants' accounts according to the MSB ESOP vesting
              schedule in effect as of the Effective Time.

                  (vii) Each MSB employee who becomes an employee of IBC or an
              Affiliate thereof as of the Effective Time will participate in the
              IBC ESOP as of the later to occur of (a) the Effective Time, or
              (b) the date such MSB ESOP Participant satisfies the eligibility
              requirements of the IBC ESOP. Former MSB employees shall receive
              credit for eligibility and vesting purposes under the IBC ESOP for
              all services rendered to MSB or an Affiliate thereof prior to the
              Effective Time.

                  (viii) Employees hired by the Consolidated Bank from and after
              the Effective Time will become eligible to participate in the IBC
              ESOP in the same manner as newly- hired IBC employees.

                  (ix) IBC shall maintain and operate the MSB ESOP and IBC ESOP
              in accordance with their respective terms and the applicable
              provisions of ERISA and the Code, and to the extent that there
              exist, as of the date of this Agreement, material differences
              between the rights of MSB ESOP Participants with respect to the
              balances of their MSB ESOP accounts and the rights of IBC ESOP
              Participants with respect to the balances of their IBC ESOP
              accounts, respectively, and any such differences are adverse to
              the MSB ESOP Participants (other than the prevailing differences
              in the vesting of account balances, which provisions of the MSB
              ESOP shall in no event be modified as it applies to MSB ESOP
              account balances at the time of merger of the MSB ESOP with the
              IBC ESOP), IBC shall not amend the MSB ESOP or the IBC ESOP in a
              way that would adversely affect the rights of MSB ESOP
              Participants with respect to the balances of their MSB ESOP
              accounts that are transferred to accounts for their benefit under
              the IBC ESOP in connection with the merger of the MSB ESOP with
              the IBC ESOP, except to the extent required to maintain the IBC
              ESOP's tax qualified status under applicable provisions of the
              Code.

                  (x) IBC, MSB and their respective Affiliates shall take all
              actions necessary to accomplish the program described above with
              respect to the MSB ESOP, including, without limitation, such
              amendments to the MSB ESOP and the IBC ESOP as are appropriate or
              necessary to complete such program.

              (b) 401(k) Plan. IBC and MSB acknowledge and agree that all
         participants ("MSB 401(k) Plan Participants") in the MSB 401(k) Profit
         Sharing Plan ("MSB 401(k) Plan") shall be fully vested as of the
         Effective Time in their accounts under the MSB 401(k) Plan. If IBC
         maintains a defined contribution plan subject to a favorable IRS
         determination letter as to its tax-qualified status under Sections
         401(a) and 401(k) of the Code (the "IBC 401(k) Plan"), on or after the
         Effective Time, the MSB 401(k) Plan may be merged with and into the IBC
         401(k) Plan. If such merger occurs, or if MSB 401(k) Plan Participants
         otherwise become eligible to participate in the IBC 401(k) Plan: (i)
         all such MSB 401(k) Plan Participants shall become participants in the
         IBC 401(k) Plan; and (ii) each MSB 401(k) Plan Participant's period of
         employment with MSB or an Affiliate thereof shall be counted for all
         purposes under the IBC 401(k) Plan, including without limitation, for
         purposes of eligibility and vesting. In the event of a merger of the
         MSB 401(k) Plan with the IBC 401(k) Plan, the compensation of each MSB
         401(k) Plan Participant attributable to employment with MSB prior to
         the Effective Time shall be counted for all purposes under the IBC
         401(k) Plan, including without limitation, for purposes of contribution
         allocations. If the MSB 401(k) Plan is not merged with the IBC 401(k)
         Plan within 18 months after the Effective Time, the MSB 401(k) Plan
         shall be maintained as a separate 401(k) Plan solely for the benefit of
         MSB 401(k) Plan Participants.



                                       38

<PAGE>   44


              (c) MSB Pension Plan. All amounts contributed by MSB to the MSB
         Pension Plan prior to the Effective Time, and all earnings thereon,
         shall be applied only to provide benefits to MSB employees who
         participate in the MSB Pension Plan. As of the Effective Time, MSB's
         participation in the MSB Pension Plan shall terminate. From and after
         the date of this Agreement, in anticipation of such termination, MSB
         and its representatives shall take such action and shall make such
         decisions, as they shall deem appropriate with respect to the
         termination of MSB's participation in the MSB Pension Plan and to the
         application of all amounts contributed by MSB to the MSB Pension Plan
         and all earnings thereon only to provide benefits to MSB Pension Plan
         participants.

              (d) Benefit Plans. At the Effective Time, each employee of MSB
         shall become immediately entitled to participate in each of the IBC
         Employee Benefit Plans described in Section 2.20, including without
         limitation, group hospitalization, medical, life and disability
         insurance plans, severance plans, tax-qualified retirement, ESOP,
         savings and profit sharing plans, and stock option and management
         recognition plans, in which similarly situated employees of IBC and its
         Affiliates participate and to the same extent as such employees of IBC
         and its Affiliates. The period of employment and compensation of each
         employee of MSB and its Affiliates with MSB and its Affiliates prior to
         the Effective Time shall be counted for all purposes of the IBC
         Employee Benefit Plans (except for purposes of benefit accrual),
         including without limitation for purposes of vesting and eligibility.
         Any expenses incurred by an employee of MSB or its Affiliates under any
         MSB Welfare Plans (as defined in Section 3(1) of ERISA), such as
         deductibles or co-payments, shall be counted for all purposes under the
         applicable IBC Employee Benefit Plans. IBC and the IBC Employee Benefit
         Plans shall waive any pre-existing condition exclusions for conditions
         existing at the Effective Time, and actively at work requirements for
         periods ending at the Effective Time contained in the IBC Employee
         Benefit Plans, as they apply to employees and former employees of MSB
         and its Affiliates and their dependents, provided that such waiver of
         pre-existing conditions shall not extend to any condition that has
         prevented coverage of an MSB employee or former employee or a dependent
         thereof under comparable MSB Welfare Plans. Notwithstanding anything to
         the contrary in this paragraph, IBC after the Effective Time shall have
         sole discretion with respect to the determination whether to terminate,
         merge or continue any MSB Employee Benefit Plan, other than the ESOP,
         or the MSB Pension Plan provided that IBC shall continue to maintain
         MSB Employee Benefit Plans until MSB employees are permitted to
         participate in similar IBC Employee Benefit Plans. At the Effective
         Time, IBC or an Affiliate thereof shall be substituted for MSB as the
         sponsoring employer under those MSB Employee Benefit Plans with respect
         to which MSB or an Affiliate is the sponsoring employer immediately
         prior to the Effective Time, and which Plan is assumed by IBC pursuant
         to the terms of this Agreement, and IBC or an Affiliate thereof shall
         assume and be vested with all of the powers, rights, duties,
         obligations and liabilities previously vested in MSB or an Affiliate
         thereof with respect to each such Plan.

              (e) Stock Options. Each unexercised MSB Stock Option that is
         outstanding immediately prior to the Effective Time shall become fully
         exercisable at the Effective Time


                                       39

<PAGE>   45


         and shall be converted automatically at the Effective Time into an
         option to purchase shares of IBC Common Stock under the IBC Employee
         Stock Option Plan ("IBC Stock Option"), with the number of shares of
         IBC Common Stock to be subject to a particular IBC Stock Option to
         equal the Conversion Ratio multiplied by the number of shares of MSB
         Common Stock subject to a particular MSB Stock Option, provided that
         any fractional share shall be rounded down to the nearest whole share;
         and with the exercise price for each share of IBC Common Stock subject
         to a particular IBC Stock Option to be equal to the exercise price of
         an MSB Common Share under the MSB Stock Option divided by the
         Conversion Ratio. Notwithstanding the preceding sentence, in the case
         of any MSB Stock Option to which Section 421 of the Internal Revenue
         Code of 1986, as amended ("the "Code") applies by reason of its
         qualification under Section 422 of the Code, the terms of the IBC Stock
         Option into which such MSB Stock Option is to be converted, including
         the exercise price, the number of shares of IBC Common Stock
         purchasable pursuant to such Option, and the terms and conditions of
         exercise of such Option, shall be determined so as to comply with
         Sections 422 and 424(a) of the Code. A cash payment shall be made for
         any fractional share of MSB Common Stock that is not represented by the
         IBC Stock Option, based upon the average closing sale price of shares
         of IBC Common Stock on the five trading days immediately preceding the
         Effective Time, as reported on the Nasdaq Stock Market. Upon such
         conversion, all rights under each such MSB Stock Option and under the
         related stock option plan previously adopted by MSB ("MSB Stock Option
         Plan") shall terminate; provided, however, that the terms, benefits,
         rights and features of such MSB Stock Option and the agreement
         evidencing the grant of such MSB Stock Option, as in existence
         immediately prior to the Effective Time shall, to the extent
         inconsistent with the terms of the IBC Stock Option Plan or any similar
         IBC Plan, and favorable to the interests of the holder of the IBC Stock
         Option, continue to apply to such IBC Stock Option from and after the
         Effective Time.

              As soon as practicable after the Effective Time, IBC shall deliver
         to the holder of each IBC Stock Option appropriate notices setting
         forth such holder's rights pursuant to the IBC Stock Option Plan, the
         agreement evidencing such IBC Stock Option and the original grant of
         such converted MSB Stock Option shall continue in effect on the same
         terms and conditions (after giving effect to the Consolidation pursuant
         to the Agreement and the conversion as set forth above). As of the
         Effective Time, IBC shall amend the IBC Stock Option Plan to the extent
         necessary to conform to, and implement, the provisions of this Section
         4.14(e), including, without limitation, amendments necessary to
         preserve those provisions of the converted MSB Stock Options that are
         more favorable to the holders of IBC Stock Options than would otherwise
         be the case pursuant to the terms of the IBC Stock Option Plan.

              (f) Retiree Medical Coverage. From and after the Effective Time,
         former and current officers and employees of MSB and its Affiliates and
         their dependents who satisfy conditions for coverage under IBC's
         program of post retirement medical and health insurance coverage (the
         "IBC Program") shall be entitled to participate in the IBC Program,
         under the



                                       40

<PAGE>   46



         terms and conditions of the IBC Program and all at the expense of the
         IBC Program participants.

              (g) Severance Agreements and Arrangements.

                  (i) IBC agrees to honor the provisions of the present
              Severance Pay Plan, adopted by the MSB Compensation Committee of
              the Board of Directors on September 24, 1996, in effect for
              certain of MSB officers, as described in the MSB Disclosure
              Memorandum, including without limitation, those provisions that
              relate to a termination of employment following a change in
              control of MSB.

                  (ii) IBC will provide severance payments to employees of MSB
              and its Affiliates (other than those employees whose severance
              benefits are provided for in written severance agreements as
              described in subparagraph (i) above). Such severance benefits
              shall be provided to the following categories of employees:

                       (A) Employees of MSB and its Affiliates immediately prior
                  to the Effective Time who are not offered comparable
                  employment by IBC or an Affiliate thereof immediately
                  following the Effective Time; and

                       (B) Employees of MSB or its Affiliates immediately prior
                  to the Effective Time who are offered and accept comparable
                  employment with IBC or an Affiliate immediately following the
                  Effective Time and who are subsequently terminated by IBC or
                  an Affiliate within 12 months after the Effective Time for any
                  reason other than cause (as shall be reasonably determined by
                  IBC or its Affiliate).

              The severance payments to be provided pursuant to the subparagraph
(ii) shall be computed as follows:

                  (i) Non-officer - one week of current base salary for each
              full year of service with MSB, IBC and their respective
              Affiliates, subject to a maximum of twenty-six weeks and a minimum
              of three weeks current base salary; and

                  (ii) Officer (as defined in the MSB Disclosure Memorandum) -
              two weeks of current base salary for each full year of service
              with MSB, IBC and their respective Affiliates, subject to a
              maximum of twenty-six weeks and a minimum of six weeks current
              base salary.

              In computing such severance payments for each regular part-time
              employee, such employee's per week base salary shall be based on
              1/52 of the actual number of hours worked by such employee for MSB
              or an Affiliate in the year ended December 31, 1998.


                                       41

<PAGE>   47


              (h) COBRA. Until the Effective Time, MSB shall be liable for all
         obligations for continued health coverage pursuant to Section 4980B of
         the Code and Section 601 through 609 of ERISA ("COBRA") with respect to
         each qualified beneficiary (as defined in COBRA) of MSB who incurs a
         qualifying event (as defined in COBRA) prior to the Effective Time. IBC
         shall be liable for (i) all obligations for continued health coverage
         under COBRA with respect to each MSB qualified beneficiary (as defined
         in COBRA) who incurs a qualifying event (as defined in COBRA) from and
         after the Effective Time, and (2) for continued health coverage under
         COBRA from and after the Effective Time for each MSB qualified
         beneficiary who incurs a qualifying event before the Effective Time.

         4.15 Indemnification; Directors' and Officers' Insurance.

              (a) For a period of six years after the Effective Time (or the
         period of the applicable statute of limitations, if longer), in the
         event of any threatened or actual claim, action, suit, proceeding or
         investigation, whether civil, criminal or administrative, including,
         without limitation, any such claim, action, suit, proceeding or
         investigation in which any individual who is now, or has been at any
         time prior to the date of this Agreement, or who becomes prior to the
         Effective Time, a director, officer, or employee of MSB or the MSB
         Subsidiaries (the "Indemnified Parties"), is, or is threatened to be,
         made a party based in whole or in part on, or arising in whole or in
         part out of, or pertaining to (i) the fact that he or she is or was a
         director, officer or employee of MSB or the MSB Subsidiaries or any of
         their respective predecessors, or (ii) this Agreement or the
         Consolidation Agreement or any of the transactions contemplated hereby
         or thereby, whether in any case asserted or arising before or after the
         Effective Time, IBC agrees to cooperate and use reasonable efforts to
         defend against and respond thereto. It is understood and agreed that
         for a period of six years after the Effective Time (or the period of
         the applicable statute of limitations, if longer), IBC shall (and shall
         cause the Consolidated Bank to) defend, indemnify and hold harmless, as
         and to the fullest extent permitted by law, each such Indemnified Party
         against any losses, claims, damages, liabilities, costs, expenses
         (including payment of reasonable attorney's fees and expenses and other
         costs in advance of the final disposition of any claim, suit,
         proceeding or investigation incurred by each Indemnified Party to the
         fullest extent permitted by law upon receipt of any undertaking
         required by applicable law), judgments, fines and amounts paid in
         settlement in connection with any such threatened or actual claim,
         action, suit, proceeding or investigation, and in the event of any such
         threatened or actual claim, action, suit, proceeding or investigation
         (whether asserted or arising before or after the Effective Time), the
         Indemnified Parties may retain counsel reasonably satisfactory to them
         after consultation


                                       42

<PAGE>   48

         with IBC; provided, further, that (A) IBC shall have the right to
         assume the defense thereof and upon such assumption IBC shall not be
         liable to any Indemnified Party for any legal expenses of other counsel
         or any other expenses subsequently incurred by any Indemnified Party in
         connection with the defense thereof, except that if IBC elects not to
         assume such defense or counsel for the Indemnified Parties reasonably
         advises the Indemnified Parties that there are issues that raise
         conflicts of interest between IBC and the Indemnified Parties, the
         Indemnified Parties may retain counsel reasonably satisfactory to them
         after consultation with IBC, and IBC shall pay the reasonable fees and
         expenses of such counsel for the Indemnified Parties; provided,
         however, that if IBC assumes the defense thereof, IBC shall not settle
         any claim, action, suit, proceeding or investigation or consent to any
         legal judgment without first obtaining the consent of the Indemnified
         Parties, (B) IBC shall be obligated pursuant to this paragraph to pay
         for only one firm of counsel for all Indemnified Parties, unless an
         Indemnified Party shall have reasonably concluded, based on the advice
         of counsel, that there is a material conflict of interest between the
         interests of such Indemnified Party and the interests of one or more
         other Indemnified Parties and that the interests of such Indemnified
         Party will not be adequately represented unless separate counsel is
         retained, in which case, IBC shall be obligated to pay such separate
         counsel, (C) IBC shall not be liable for any settlement effected
         without its prior written consent (which consent shall not be
         unreasonably withheld) and (D) IBC shall have no obligation hereunder
         to any Indemnified Party when and if a court of competent jurisdiction
         shall ultimately determine, and such determination shall have become
         final and nonappealable, that indemnification of such Indemnified Party
         in the manner contemplated hereby is prohibited by applicable law. Any
         Indemnified Party wishing to claim Indemnification under this Section
         4.15 upon learning of any such claim, action, suit, proceeding or
         investigation, shall notify IBC thereof, provided that the failure to
         so notify shall not affect the obligations of IBC under this Section
         4.15 except to the extent such failure to notify materially prejudices
         IBC.

              (b) IBC shall use its reasonable efforts to cause the Consolidated
         Bank (i) to obtain, after the Effective Time, directors' and officers'
         liability insurance coverage for the officers and directors of the
         Consolidated Bank, and (ii) either (A) to cause the individuals serving
         as officers and directors of MSB or the MSB Subsidiaries immediately
         prior to the Effective Time to be covered for a period of three years
         from the Effective Time by the directors' and officers' liability
         insurance policies maintained by the Consolidated Bank, or IBC, as the
         case may be, or to (B) substitute therefor policies of at least the
         same coverage and amounts containing terms and conditions that are not
         less advantageous than the policies previously maintained by MSB and
         the MSB Subsidiaries, respectively, with respect to acts or omissions
         occurring prior to the Effective Time that were committed by such
         officers and directors in their capacity as such; provided, however,
         that such policies will specifically exclude liabilities with respect
         to the Pending Litigation; provided, further, that in no event will IBC
         and its Subsidiaries be required to expend more than twice the
         aggregate premiums paid by MSB for directors' and officers' liability
         insurance for the year ended December 31, 1998, to procure and maintain
         such insurance, and provided, further, that such officers and directors
         may be required to make application and provide customary
         representations and warranties to IBC's insurance carrier for the
         purpose of obtaining such insurance.

         4.16 Listing of Shares. IBC shall use all reasonable efforts to cause
the shares of IBC Common Stock issuable in the Merger to be approved for listing
on the Nasdaq Stock Market.

                                    ARTICLE V
                    CONDITIONS PRECEDENT TO THE CONSOLIDATION


                                       43

<PAGE>   49


         5.1  Conditions Precedent to Obligations of Each Party. The respective
obligations of each Party to perform this Agreement and to consummate the
Consolidation are subject to the satisfaction of each of the following
conditions precedent, unless waived by both Parties:

              (a) Shareholder Approval. This Agreement and the Consolidation
         Agreement shall have been adopted by the affirmative vote of the
         shareholders of MSB, IBC, and New Bank owning (i) at least two thirds
         (2/3) of the capital shares outstanding of each of MSB and New Bank,
         and (ii) shares representing at least a majority of the votes cast at
         the IBC shareholders' meeting to approve the Consolidation.

              (b) Governmental Approvals. The parties to this Agreement shall
         have received the Requisite Regulatory Approvals and such approvals
         shall have become final and shall not be the subject of any formal
         administrative review proceeding or appeal, and the Consolidation may
         be consummated pursuant to the terms of such approvals.

              (c) Challenge in Legal Proceedings. No proceeding shall be pending
         or overtly threatened before any court or other governmental agency by
         the federal or any state government in which it is or will be sought to
         restrain or prohibit the consummation of the Consolidation.

              (d) Securities Laws. The Registration Statement shall be effective
         under the 1933 Act, no stop orders suspending the effectiveness of the
         Registration Statement shall have been issued, no action, suit,
         proceeding or investigation by the SEC to suspend the effectiveness
         thereof shall have been initiated and be continuing, and all necessary
         approvals under state securities laws or the 1933 Act or the 1934 Act,
         as amended, relating to the issuance or trading of the shares of IBC
         Common Stock issuable pursuant to the Consolidation shall have been
         received.

              (e) Tax Matters. Each party shall have received a written opinion
         of counsel or its independent public accounting firm, in form
         reasonably satisfactory to such parties (the "Tax Opinion"), to the
         effect that (i) the Consolidation will constitute a reorganization
         within the meaning of Section 368(a) of the Internal Revenue Code, (ii)
         the exchange in the Consolidation of shares of MSB Common Stock for
         shares of IBC Common Stock will not give rise to gain or loss to the
         shareholders of MSB with respect to such exchange (except to the extent
         of any cash received), and (iii) neither MSB nor IBC will recognize
         gain or loss as a consequence of the Consolidation. In rendering such
         Tax Opinion, such counsel or accounting firm shall be entitled to rely
         upon representations of MSB's officers, directors, and shareholders
         holding in excess of five percent (5%) of the outstanding shares of MSB
         Common Stock and representations of officers of IBC in each case
         reasonably satisfactory in form and substance to such counsel or
         accounting firm.






                                       44

<PAGE>   50


              (f) MESC Form 1027. MSB shall have furnished to IBC a complete,
         accurate and executed copy of MESC Form 1027, Business Transferor's
         Notice of Unemployment Tax Liability and Rate.

         5.2 Conditions Precedent to Obligations of IBC. The obligations of IBC
to perform this Agreement and to consummate the Consolidation are subject to the
satisfaction of each of the following conditions, unless waived by IBC:

              (a) Compliance with Representations and Warranties. There shall
         have been no material breach by MSB of any of the representations or
         warranties of MSB pursuant to this Agreement as of the date of this
         Agreement or as of the Effective Time.

              (b) Opinion of Legal Counsel. MSB shall have delivered to IBC an
         opinion of counsel, dated the Effective Time, in form and substance
         reasonably satisfactory to IBC and its counsel, to the effect that: (i)
         MSB is a validly existing savings association under the laws of the
         United States of America; (ii) the authorized capitalization of MSB
         consists of 20,000,000 shares of common stock, $.01 par value per
         share, and 5,000,000 shares of preferred stock, $.01 par value per
         share; (iii) except as set forth in such opinion, to the best of
         counsel's knowledge, such party is not a party to or affected by any
         material adverse pending litigation, proceeding or investigation before
         any court or by or before any federal, state, municipal or other
         governmental department, commission, board or agency nor has any such
         litigation, proceeding or investigation been expressly threatened
         against MSB; and (iv) this Agreement and the Consolidation Agreement
         have been duly and validly authorized, executed and delivered by such
         party and are binding and enforceable according to their terms. In
         rendering such opinions, counsel may rely as to certain factual matters
         on certificates of one or more officers of MSB and of public officials.

              (c) Officer Certifications. The Chief Executive Officer and
         Secretary of MSB shall have given to IBC their respective certificates,
         dated as of the Effective Time, that the representations and warranties
         of MSB contained in this Agreement and the Consolidation Agreement,
         subject to disclosures contained in MSB's Disclosure Memorandum and the
         MSB Updated Memorandum, have not, to the best of their knowledge and
         belief, been breached, all representations and warranties, subject to
         the MSB Disclosure Memorandum and the MSB Updated Memorandum are, to
         the best of their knowledge and belief, true as of the Effective Time
         and all conditions to the obligations of IBC as set forth in this
         Agreement and required to be fulfilled by MSB have been fulfilled on or
         before the Closing Date.

              (d) Accountant's Letter. IBC shall have received from KPMG LLP an
         opinion letter to the effect that the Consolidation will be accounted
         for as a pooling of interests if consummated in accordance with this
         Agreement and the Consolidation Agreement.




                                       45

<PAGE>   51


              (e) Fairness Opinion. IBC shall have received from Stifel,
         Nicolaus & Company Incorporated, an update to its previously delivered
         fairness opinion, not more than five days prior to the date of the
         Proxy Statement/Prospectus, as to the fairness of the Consolidation to
         the shareholders of IBC from a financial point of view.

              (f) No Material Adverse Changes. Between the date of this
         Agreement and the Effective Time, there shall not have occurred any
         change or any condition, event, circumstance, fact or occurrence (other
         than general economic or competitive conditions), other than as
         provided in this Agreement, that may reasonably be expected to result
         in a material adverse change in the business, properties, financial
         condition, loan portfolio, operations or prospects of MSB or its
         Subsidiaries, taken as a whole.

              (g) Updated Disclosure Memorandum. MSB shall have provided to
         IBC any information necessary to make the representations and
         warranties set forth in Article III of this Agreement true and correct
         as of the Closing Date (the "MSB Updated Memorandum") and such MSB
         Updated Memorandum shall not reflect a material adverse change from the
         MSB representations and warranties made as of the date of this
         Agreement.

              (h) Due Diligence. Prior to the Effective Time, MSB shall not have
         been required in accordance with GAAP, to record an accrual in excess
         of $1,800,000 relating to the Pending Litigation because a loss from
         such Pending Litigation has become reasonably probable and such loss
         can be reasonably estimated.

         5.3. Conditions Precedent to Obligations of MSB. The obligations of MSB
to perform this Agreement and to consummate the Consolidation are subject to the
satisfaction of each of the following conditions, unless waived by MSB:

              (a) Compliance with Representations and Warranties. There shall
         have been no material breach by IBC of any of the representations and
         warranties of IBC pursuant to this Agreement or as of the date of this
         Agreement or as of the Effective Time.

              (b) Opinion of Legal Counsel. IBC shall deliver to MSB an opinion
         of counsel, dated the Effective Time, in form and substance reasonably
         satisfactory to MSB and its counsel, to the effect that: (i) IBC and
         New Bank are duly organized or incorporated, are validly existing and
         in good standing according to the laws under which they were created;
         (ii) the number of authorized and issued and outstanding capital shares
         of IBC is as represented in, or permitted by, this Agreement and the
         Consolidation Agreement; (iii) the shares of IBC Common Stock
         deliverable pursuant to this Agreement will be duly authorized and,
         upon issuance and delivery in accordance with the terms hereof and
         thereof, will be validly issued, fully paid and nonassessable; (iv) the
         IBC Common Stock to be issued in the Consolidation shall have been
         qualified or exempted under all applicable state securities or blue sky
         laws, and shall have been approved for listing on the Nasdaq Stock
         Market, subject to official notice thereof; (v) except as set forth in
         such opinion, to the best of counsel's knowledge, IBC is not a party to
         or affected by any material adverse pending litigation,


                                       46

<PAGE>   52


         proceeding or investigation before any court or by or before any
         federal, state, municipal or other governmental department, commission,
         board or agency nor has any such litigation, proceeding or
         investigation been expressly threatened against IBC; (vi) this
         Agreement and the Consolidation Agreement have been duly and validly
         authorized, executed and delivered by such party and are binding and
         enforceable according to their terms; and (vii) no consents or
         approvals of, or filings or registrations with, any governmental entity
         are necessary in connection with the execution and delivery by IBC or
         New Bank of this Agreement and the Consolidation Agreement and the
         consummation by IBC and New Bank of the transactions contemplated
         thereby that have not been received or obtained as of the date hereof,
         except where the failure to obtain such consent or approval or to make
         such filing or registration will not have or be reasonably likely to
         have a Material Adverse Effect on IBC. In rendering such opinions,
         counsel may rely as to certain factual matters on certificates of one
         or more officers of IBC and of public officials.

              (c) Officer Certifications. The President and Secretary of IBC
         shall have given to MSB their respective certificates, dated as of the
         Effective Time, that the representations and warranties of IBC
         contained in this Agreement and the Consolidation Agreement, subject to
         disclosure contained in IBC's Disclosure Memorandum and the IBC Updated
         Memorandum, have not, to the best of their knowledge and belief, been
         breached, all representations and warranties, subject to the IBC
         Disclosure Memorandum and the IBC Updated Memorandum are, to the best
         of their knowledge and belief, true as of the Effective Time and all
         conditions to the obligations of MSB as set forth in this Agreement and
         required to be fulfilled by IBC have been fulfilled on or before the
         Closing Date.

              (d) Accountant's Letter. IBC shall have received from KPMG LLP an
         opinion letter to the effect that the Consolidation will qualify for
         pooling of interests accounting treatment if consummated in accordance
         with this Agreement and the Consolidation Agreement.

              (e) Fairness Opinion. MSB shall have received from McConnell, Budd
         & Downes, Inc., or such other investment banking firm retained by MSB,
         an opinion letter dated not more than five business days prior to the
         date of the Proxy Statement/Prospectus to the effect that the
         consideration to be received by shareholders of MSB pursuant to this
         Agreement is fair from a financial point of view.

              (f) No Material Adverse Changes. Between the date of this
         Agreement and the Effective Time, there shall not have occurred any
         change or any condition, event, circumstance, fact or occurrence (other
         than general economic or competitive conditions), other than as
         provided in this Agreement, that may reasonably be expected to result
         in a material adverse change in the business, properties, financial
         condition, loan portfolio, operations or prospects of IBC or its
         Subsidiaries, taken as a whole.








                                       47

<PAGE>   53
                  (g) Updated Disclosure Memorandum. IBC shall have provided to
         MSB any information necessary to make the representations and
         warranties set forth in Article II of this Agreement true and correct
         as of the Closing Date (the "IBC Updated Memorandum") and such IBC
         Updated Memorandum shall not reflect a material adverse change from the
         IBC representations and warranties made as of the date of this
         Agreement.

                  (h) Management Continuity Agreement. Effective as of the
         Effective Time, IBC shall have entered into a Management Continuity
         Agreement with the Chief Executive Officer of MSB in the form of
         attached Exhibit D.

                                   ARTICLE VI
                  ABANDONMENT AND TERMINATION OF CONSOLIDATION

         6.1 Termination. This Agreement may be terminated at any time before
the Effective Time, whether before or after any shareholder action, in
accordance with the following:

                  (a) Mutual Consent. By mutual written consent of MSB and IBC
         if the Boards of Directors of each so determines.

                  (b) Effective Time. By either IBC or MSB if the terminating
         party has used its best reasonable efforts to consummate the
         Consolidation and if the Effective Time shall not have occurred on or
         before November 30, 1999.

                  (c) Material Adverse Changes. By either IBC or MSB if there
         has occurred any change or any condition, event, circumstance, fact or
         occurrence (other than general economic or competitive conditions),
         other than as provided in this Agreement, that may reasonably be
         expected to result in a material adverse change in the business,
         financial condition, loan portfolio, operations or prospects of the
         other party, considered as a whole.

                  (d) Litigation. By either MSB or IBC if any Litigation, other
         than the Pending Litigation, shall be pending or overtly threatened (i)
         against or affecting the other party or any of its respective assets,
         loan portfolio, operation or prospects that would reasonably be
         expected to have a Material Adverse Effect on the other party, or (ii)
         before any court or other governmental agency by the federal or any
         state government in which it is or will be sought to restrain or
         prohibit the consummation of the Consolidation.

                  (e) Misrepresentations. By either MSB or IBC if the other
         party breaches any warranty or representation in this Agreement or in
         the Consolidation Agreement which breaches individually or in the
         aggregate have or, insofar as reasonably can be foreseen, would have, a
         Material Adverse Effect on the breaching party and such breaches shall
         not have been cured within thirty (30) days after receipt by the
         breaching party of notice in writing from the nonbreaching party
         specifying the nature of such breaches and requesting that they be
         cured.

                                       48
<PAGE>   54

                  (f) Breach of Covenants. By either MSB or IBC if the other
         party breaches, in any material respect, any covenant of this Agreement
         or the Consolidation Agreement and such breaches shall not have been
         cured within thirty (30) days after receipt by the breaching party of
         notice in writing from the nonbreaching party specifying the nature of
         such breaches and requesting that they be cured.

                  (g) Regulatory Approvals. By either MSB or IBC if any
         Regulatory Authority that must grant a Requisite Regulatory Approval
         (A) has denied approval of the Consolidation and such denial has become
         final and nonappealable or (B) any Regulatory Authority of competent
         jurisdiction shall have issued a final nonappealable order permanently
         enjoining or otherwise prohibiting the consummation of the transactions
         contemplated by this Agreement.

                  (h) Shareholder Approvals. By either MSB or IBC if the
         approval of shareholders required for the consummation of the
         Consolidation shall not have been obtained by reason of the failure to
         obtain the required vote at a duly held meeting of shareholders or at
         any adjournment or postponement thereof.

                  (i) Third-Party Business Combination Proposal. By MSB, upon
         two (2) days' prior notice to IBC, if, as a result of a Tender Offer by
         a party other than IBC or its Affiliates or any written offer or
         proposal with respect to an Acquisition Transaction, the Board of
         Directors of MSB determines in good faith that its fiduciary
         obligations under applicable law require that such Tender Offer or
         other written offer or proposal be accepted; provided, however, that

                           (I) the Board of Directors of MSB shall have been
                  advised in a written opinion of outside counsel that
                  notwithstanding a binding commitment to consummate an
                  agreement of the nature of this Agreement entered into in the
                  proper exercise of its applicable fiduciary duties, and
                  notwithstanding all concessions that may be offered by IBC in
                  negotiations entered into pursuant to clause (II) below, such
                  fiduciary duties would require the directors to reconsider
                  such commitment as a result of such Tender Offer or other
                  written offer or proposal, and

                           (II) prior to any such termination, MSB shall, and
                  shall cause its financial and legal advisers to, negotiate
                  with IBC to make such adjustments in the terms and conditions
                  of this Agreement as would enable MSB to proceed with the
                  transactions contemplated herein on such adjusted terms.

                                                        
                  By IBC if MSB shall approve or recommend to its shareholders
         any Acquisition Transaction involving MSB other than the Consolidation.

                                       49

<PAGE>   55

                  (j) Withdrawal by MSB of Shareholder Recommendation. By IBC,
         if the Board of Directors of MSB or any committee thereof (i) shall
         withdraw or modify in any manner adverse to IBC its approval or
         recommendation of this Agreement or the Consolidation Agreement, (ii)
         shall fail to reaffirm such approval or recommendation upon IBC's
         request, (iii) shall not include its recommendation of this Agreement,
         the Consolidation Agreement or the Consolidation in the Proxy
         Statement/Prospectus (as defined in Section 4.3 hereof) or (iv) shall
         resolve to take any of the actions specified in clauses (i), (ii) or
         (iii) of this subparagraph (j).

                  (k) IBC Stock Price. By MSB under and subject to the terms and
         conditions of Section 1.6(f) of this Agreement.

Termination pursuant to Sections 6.1(b), 6.1(c), 6.1(d), 6.1(e), 6.1(f), 6.1(g),
6.1(h), 6.1(i), or 6.1(j), may be effected at any time prior to the Effective
Time, by written notice by either party to the other, as the case may be,
authorized and approved by a resolution adopted by the Board of Directors of the
party giving such notice. Termination pursuant to Section 6.1(k) shall be
subject to the terms and conditions contained in Section 1.6(f). In the event of
the termination and abandonment of this Agreement and the Consolidation
Agreement pursuant to this Section 6.1, this Agreement and the Consolidation
Agreement shall become null and void and of no effect, without liability on the
part of MSB, New Bank, IBC or their respective shareholders, directors or
officers in any respect hereof, except to the extent provided in Sections 4.6
and 7.3 of this Agreement.

                                   ARTICLE VII
                                    EXPENSES

         The costs and expenses (out-of-pocket and otherwise) incurred by the
parties in connection with the transactions contemplated by this Agreement shall
be borne as follows:

         7.1 IBC Expenses. IBC shall bear all fees and expenses of its counsel
and accountants, and all other costs and expenses incurred by it in the
preparation of this Agreement and the Consolidation Agreement, its examination
of MSB, the preparation, filing and prosecution of all applications for
regulatory approval, and any appeals therefrom. IBC shall bear and pay all of
the filing fees payable in connection with the Registration Statement and the
Proxy Statement/Prospectus and printing costs incurred in connection with the
printing of the Registration Statement and Proxy Statement/Prospectus.

         7.2 MSB Expenses. MSB shall bear all fees and expenses of its counsel
and accountants and all other costs and expenses incurred by it in the
preparation of this Agreement and the Consolidation Agreement, its examination
of IBC, and the calling and holding of a meeting of its shareholders to consider
and act upon the Consolidation, and the furnishing of information or other
cooperation to IBC in connection with the preparation of information and
regulatory applications, and any appeals therefrom.


                                       50
<PAGE>   56

         7.3      Termination; Expenses.

         (a)      If any of the following events (a "Triggering Event") occurs:

                           (i) any material, willful, and intentional breach of
                  the Merger Documents by MSB that would permit IBC to terminate
                  the Merger Documents (A) occurring after the receipt by MSB of
                  a proposal to engage in an Acquisition Transaction, (B)
                  occurring after the announcement by any other Person of an
                  intention to engage in an Acquisition Transaction, or (c) in
                  anticipation and for the purpose of engaging in an Acquisition
                  Transaction;

                           (ii) (A) a proposal to engage in an Acquisition
                  Transaction is submitted to and approved by the shareholders
                  of MSB at any time prior to December 31, 2000, unless this
                  Agreement is earlier terminated by MSB, pursuant to its right
                  to terminate this Agreement, under the conditions of Section
                  6.1 of this Agreement, or (B) a Tender Offer is commenced and
                  the transactions contemplated in the Tender Offer are
                  completed in such a manner that the Person making the Tender
                  Offer acquired beneficial ownership of more than 20 percent of
                  the capital stock or any other class of voting securities of
                  MSB, and the Consolidation is not consummated prior to
                  December 31, 2000; or

                           (iii) (A) a proposal to engage in an Acquisition
                  Transaction is received by MSB or a Tender Offer is made
                  directly to the shareholders of MSB or the intention of making
                  an Acquisition Transaction or Tender Offer is announced at any
                  time prior to the holding of the MSB Shareholders' Meeting;
                  and (B) the Board of Directors of MSB (1) fails to recommend
                  to the shareholders of MSB that they vote their shares of MSB
                  Common Stock in favor of the approval of the Consolidation,
                  (2) withdraws such recommendation previously made, (3) fails
                  to solicit proxies of shareholders of MSB to approve the
                  Consolidation, or (4) fails to hold the MSB Shareholders'
                  Meeting.

                  MSB shall pay to IBC an amount in cash equal to the direct
         costs and expenses or portion thereof referred to in Section 7.1,
         incurred by or on behalf of IBC in connection with the transactions
         contemplated by the Merger Documents, but in no event to exceed
         $250,000 in the aggregate. The amount shall be an obligation of MSB and
         shall be paid by MSB promptly upon notice to MSB by IBC.

                  (b) Notwithstanding the foregoing, no amount shall be due IBC
         pursuant to Section 7.3(a) in the event of the failure to consummate
         the Consolidation as a result of any of the following: (i) the failure
         of the shareholders of IBC to approve the Consolidation; or (ii) the
         failure of any Regulatory Authority to provide any required consent to
         the Consolidation, which failure was not the result of the existence of
         a proposal to engage in 


                                       51
<PAGE>   57


         an Acquisition Transaction or a breach by MSB of any of its obligations
         under any of the Merger Documents.

                  (c) Nothing contained in this Section 7.3 shall constitute or
         shall be deemed to constitute liquidated damages for the willful breach
         by a Party of the terms of this Agreement or otherwise limit the rights
         of the nonbreaching Party.

         7.4 Obligations Upon Breach. Except as otherwise provided in Section
7.3, in the event that this Agreement shall terminate prior to the Effective
Time pursuant to Sections 6.1(e) or 6.1(f), then the breaching party shall
promptly (but in no event later than five (5) business days after receipt of
notice from the non-breaching party) pay the non-breaching party in cash an
amount equal to all out-of-pocket expenses incurred in connection with the
transactions contemplated by this Agreement and the Consolidation Agreement, but
in no event to exceed $250,000 in the aggregate; provided, however, that if this
Agreement is terminated by a Party as a result of a willful breach by the other
Party, the non-breaching Party may pursue any remedies available to it at law or
in equity and shall, in addition to its out-of-pocket expenses (which shall be
paid as specified above and shall not be limited to $250,000), be entitled to
recover such additional amounts as such non-breaching Party may be entitled to
receive at law or in equity.

                                  ARTICLE VIII
                              AMENDMENT AND WAIVER

         8.1 Amendment. MSB and IBC, by mutual consent of a majority of their
respective Boards of Directors, may amend, modify or supplement this Agreement
and, with New Bank's written consent, the Consolidation Agreement, in whole or
in part, and in such manner as may be agreed upon by them in writing, provided
that any such amendment, modification, or supplement subsequent to the adoption
of this Agreement and the Consolidation Agreement by MSB's or IBC's shareholders
may be effected only if the Board of Directors of MSB and IBC determine that
such amendment, modification, or supplement does not and will not have a
Material Adverse Effect on the shareholders of the Party whose shareholders have
previously approved this Agreement and the Consolidation Agreement.

         8.2 Waiver. The failure of either party at any time or times to require
performance of any provision hereof shall in no manner affect such party's right
at a later time to enforce the same. No waiver by any party of any condition or
of the breach of any term, covenant, representation or warranty contained in
this Agreement or the Consolidation Agreement, whether by conduct or otherwise,
in any one or more instances shall be deemed to be or construed as a further or
continuing waiver of any such condition or breach or a waiver of any other
condition or of the breach of any other term, covenant, representation or
warranty of this Agreement or the Consolidation Agreement.



                                       52

<PAGE>   58



                                   ARTICLE IX
                               CERTAIN DEFINITIONS

         9.1 Certain Definitions. For purposes of this Agreement, the following
terms shall have the following meanings:

                  "Acquisition Transaction" shall mean a transaction between MSB
         and any Person other than IBC or any Affiliate of IBC involving (A) the
         sale or other disposition of more than 20% of the shares of the capital
         stock or any other class of voting securities of MSB, including, but
         not limited to, a Tender Offer, (B) the sale or other disposition of
         15% or more of the consolidated assets or deposits of MSB, or (c) a
         merger or consolidation involving MSB other than a transaction pursuant
         to which MSB will be the surviving corporation and the current
         shareholders of MSB will be the owners of a majority of the stock of
         the surviving corporation following the transaction.

                  "Affiliate" of a person shall mean (i) any other person
         directly, or indirectly through one or more intermediaries,
         controlling, controlled by or under common control with such person;
         (ii) any officer, director, partner, employer, or direct or indirect
         beneficial owner of any 10% or greater equity or voting interest of
         such person, or (iii) any other person for which a person described in
         clause (ii) acts in any such capacity.

                  "GAAP" shall mean generally accepted accounting principles.

                  "IBC Companies" shall mean, collectively, IBC and all IBC
         Subsidiaries.

                  "Litigation" shall mean any action, arbitration, cause of
         action, claim, complaint, criminal prosecution, governmental or other
         examination or investigation, hearing, inquiry, administrative or other
         proceeding, by any Person alleging potential liability, but shall not
         include regular, periodic examinations of depository institutions by
         Regulatory Authorities.

                  "Material Adverse Effect" shall mean, with respect to IBC or
         MSB, as the case may be, a material adverse effect (i) on the business,
         assets, properties, results of operations, financial condition, or
         (insofar as they can reasonably be foreseen) prospects of such party
         and its Subsidiaries, taken as a whole, or (ii) on the consummation of
         the Consolidation.

                  "MSB Companies" shall mean, collectively, MSB and all MSB
         Subsidiaries.

                  "MSB Stock Options" shall mean all outstanding stock options
         granted by MSB to its employees, directors or other Persons.

                  "Pending Litigation" shall mean that lawsuit filed on behalf
         of 14 plaintiffs, in 1995, against MSB and four of its present and
         former officers relating to shares of MSB Common Stock allegedly
         acquired by plaintiffs in 1992, 1993, and 1994.

                                       53

<PAGE>   59



                  "Person" shall mean a natural person or any legal, commercial
         or governmental entity, such as, but not limited to, a corporation,
         general partnership, joint venture, limited partnership, limited
         liability company, trust, business association, group acting in
         concert, or any person acting in a representative capacity.

                  "Proxy Statement/Prospectus" shall mean the proxy statement
         used by MSB or IBC respectively to solicit the approval of its
         shareholders of the transactions contemplated by this Agreement and the
         Consolidation Agreement which, in the case of MSB, shall include the
         prospectus of IBC relating to the issuance of shares of IBC Common
         Stock to holders of shares of MSB Common Stock.

                  "Registration Statement" shall mean the Registration Statement
         on Form S-4, or other appropriate form, including any pre-effective or
         post-effective amendments or supplements thereto, filed with the SEC by
         IBC under the 1933 Act with respect to the shares of IBC Common Stock
         to be issued to the shareholders of MSB in the Consolidation.

                  "Regulatory Authorities" shall mean, collectively, the United
         States Department of Justice, the Board of the Governors of the Federal
         Reserve System, the FDIC, the Office of Thrift Supervision, and the
         Michigan Financial Institutions Bureau.

                  "Rights" shall mean all arrangements, calls, commitments,
         contracts, options, rights to subscribe to, scrip, understandings,
         warrants, or other binding obligations of any character whatsoever
         relating to, or securities or rights convertible into or exchangeable
         for, shares of the capital stock of a Person or by which a Person is or
         may be bound to issue additional shares of its capital stock or other
         Rights.

                  "SEC" shall mean the United States Securities and Exchange
         Commission.

                  "Subsidiaries" of a Party shall mean all those corporations,
         banks, associations, or other entities of which the Party owns or
         controls 50% or more of the outstanding equity securities either
         directly or through an unbroken chain of entities as to each of which
         50% or more of the outstanding equity securities is owned directly or
         indirectly by its parent; provided, there shall not be included any
         such entity acquired through foreclosure or any such entity the equity
         securities of which are owned or controlled in a fiduciary capacity.

                  "Tax" or "Taxes" shall mean any federal, state, county, local,
         or foreign income, profits, franchise, gross receipts, payroll, sales,
         employment, use, property, withholding, excise, occupancy, and other
         taxes, assessments, charges, fares, or impositions, including interest,
         penalties, and additions imposed thereon or with respect thereto.

                  "Tender Offer" shall mean a tender or exchange offer made by
         any person other than IBC or an Affiliate of IBC to acquire equity
         securities of MSB if, upon completion of the transactions proposed in
         such offer, such person would own or have the right to acquire

                                       54

<PAGE>   60



         beneficial ownership of more than 20 percent of the capital stock or
         other class of voting securities of MSB.

                                    ARTICLE X
                                     GENERAL

         10.1 Notices. All notices, requests, demands and other communications
hereunder shall be in writing and shall be deemed to have been duly given if
delivered or mailed, registered or certified mail, postage prepaid, to the
persons at the addresses set forth below and shall be deemed to have been
delivered as of the date so delivered:

                  (a)      If to MSB:

                           Robert N. Shuster
                           Chief Executive Officer
                           Mutual Savings Bank, f.s.b.
                           623 Washington Avenue
                           Bay City, Michigan 48708
                           Telephone: (517) 892-0731
                           Fax: (517) 892-8892

                           with a copy to:

                           Christopher J. Zinski, Esq.
                           Schiff Hardin & Waite
                           6600 Sears Tower
                           Chicago, Illinois 60606
                           Telephone: (312) 258-5548
                           Fax: (312) 258-5600
                  (b)      If to IBC:

                           William R. Kohls
                           Chief Financial Officer
                           Independent Bank Corporation
                           230 West Main Street
                           Ionia, Michigan  48846
                           Telephone: (616) 527-2400   Ext. 1257
                           Fax: (616) 527-5834



                                       55

<PAGE>   61



                           with a copy to:

                           Michael G. Wooldridge, Esquire
                           Varnum, Riddering, Schmidt & HowlettLLP
                           Bridgewater Place
                           P.O. Box 352
                           Grand Rapids, Michigan  49501-0352
                           Telephone: (616) 336-6000
                           Fax: (616) 336-7000

or to such other address as the parties hereto may designate in writing as
aforesaid.

         10.2 Governing Law. This Agreement shall be construed and interpreted
according to the laws of Michigan, without regard to any applicable conflict of
laws, except to the extent that the laws, rules and regulations of the United
States govern certain aspects of the Consolidation as it relates to MSB.

         10.3 Benefit and Binding Effect. This Agreement, the Consolidation
Agreement, the Warrant Purchase Agreement and the Warrant shall be binding upon
and inure to the benefit of the parties named herein and their respective
successors and assigns, provided that neither this Agreement, the Consolidation
Agreement nor any of the parties' rights, interests or obligations hereunder
shall be assigned by any of the parties without the prior written consent of the
other party hereto.

         10.4 Entire Agreement. This Agreement, the Consolidation Agreement and
the Warrant Purchase Agreement to be entered into pursuant to this Agreement,
and the documents described herein or attached or delivered pursuant hereto, set
forth the entire agreement and understanding of the parties in respect of the
transactions contemplated hereby and supersede all prior agreements,
arrangements, and understandings related to the subject matter hereof.

         10.5 Counterparts. This Agreement may be executed in any number of
counterparts, each of which shall be deemed an original, but all of which
together shall constitute one and the same instrument.



                                       56

<PAGE>   62


         10.6 Reliance on Headings, Etc. The cover page, table of contents,
article headings and section headings contained in this Agreement are inserted
for convenience only and shall not affect in any way the meaning or
interpretation of this Agreement.

         IN WITNESS WHEREOF, the parties to this Agreement have caused this
Agreement and Plan of Reorganization to be duly executed as of the 24th day of
March, 1999.


                                      MUTUAL SAVINGS BANK, F.S.B.
                                      ("MSB")


ATTEST: /s/ Gary W. Wilds                 By   /s/ Robert N. Shuster            
      --------------------------          ------------------------------------
                                                Robert N. Shuster,
                                                Chief Executive Officer


                                          INDEPENDENT BANK CORPORATION
                                          ("IBC")



ATTEST: /s/ Charles E. McCuistion         By /s/ Charles C. Van Loan            
      ---------------------------         -------------------------------------
                                             Charles C. Van Loan, President and
                                             Chief Executive Officer






                                       57

<PAGE>   63
                             CONSOLIDATION AGREEMENT


         This Consolidation Agreement, dated as of , 1999, is entered into by
and between MUTUAL SAVINGS BANK, F.S.B., a federally chartered stock savings
bank ("MSB") and _______________ BANK, a Michigan banking corporation ("New
Bank"), and is joined in by INDEPENDENT BANK CORPORATION, a Michigan corporation
("IBC").

                                    RECITALS

         MSB is a federally chartered stock savings bank with its principal
office in Bay City, Michigan, with authorized capital of 20,000,000 shares of
common stock, par value $0.01 per share, of which [4,290,414] shares are issued
and outstanding as of ______________, 1999. An additional __________ shares of
MSB Common Stock are subject to outstanding stock options previously granted
(collectively, the "MSB Stock Options").

         New Bank is a Michigan banking corporation, organized under the
provisions of Section 130 of the Michigan Banking Code of 1969, as amended (the
"Banking Code"), for the sole purpose of effecting the Consolidation, with
authorized capital of $100, consisting of one (1) share of common stock, par
value $100.00 per share, which share is, or will at the time of the
Consolidation be, issued and outstanding and owned beneficially by IBC.

         This Consolidation Agreement has been executed and delivered pursuant
to an Agreement and Plan of Reorganization, dated , 1999, between MSB and IBC
(the "Agreement") and fulfills all the requirements of Section 1.2 of the
Agreement.

         A majority of the entire Board of Directors of MSB and New Bank have,
respectively, approved, made and executed this Consolidation Agreement and
authorized its execution by MSB and New Bank, and a majority of the entire Board
of Directors of IBC has approved this Consolidation Agreement and the
undertakings of IBC herein set forth, and has authorized IBC, by execution
hereof, to join in and be bound hereby.

         At the time the Consolidation becomes effective, and as and when
required by the provisions of this Consolidation Agreement, IBC will issue its
IBC Common Stock as defined in the Agreement, and tender cash payments in lieu
of fractional shares, to the shareholders of MSB in accordance with the terms of
this Consolidation Agreement.

         NOW, THEREFORE, the parties agree as follows:



                                    EXHIBIT A
<PAGE>   64

                                    ARTICLE 1
                                THE CONSOLIDATION

         Subject to the terms and conditions hereof, and the terms contained in
the Agreement, at the "Effective Time" (as such term is defined in Article 2
hereof), MSB and New Bank shall be consolidated into a single bank under the
charter of New Bank, in accordance with Chapter 130 of the Banking Code and
Section 5(d) of the Home Owners' Loan Act and 12 C.F.R. ss. 552.13 and ss.
563.22. The consolidated organization is hereinafter referred to as the
"Consolidated Bank."

                                    ARTICLE 2
                                 EFFECTIVE TIME

         The Consolidation shall be effective at 11:59 p.m., local Michigan time
(the "Effective Time") on the date which shall be the latest of (i) the day on
which a Certificate of Consolidation with respect to the Consolidation has been
filed with the Financial Institutions Bureau, in accordance with the
requirements of the laws of the State of Michigan, (ii) the day on which a
Certificate of Consolidation with respect to the Consolidation has been filed
with the Office of Thrift Supervision, in accordance with the laws of the United
States, or (iii) such later date as may be specified in such Certificate of
Consolidation. Unless the parties shall hereafter agree otherwise in writing,
the Effective Time shall be on the Closing Date, as such term is defined in the
Agreement.

                                    ARTICLE 3
                           EFFECT OF THE CONSOLIDATION

         3.1 Name. The name of the Consolidated Bank shall be "New MSB Bank" or
such other name as the Board of Directors and shareholder of the Consolidated
Bank shall determine.

         3.2 Charter. The charter of the Consolidated Bank shall be the charter
of New Bank, with such changes and amendments as may be made by this
Consolidation Agreement or as may be required in order to conform such charter
with the provisions of the Agreement or this Consolidation Agreement.

         3.3 Bylaws. The Bylaws of the Consolidated Bank shall be the Bylaws of
New Bank in effect immediately prior to the Effective Time.

         3.4. Effect of Consolidation. At the Effective Time, the corporate
existence of MSB and New Bank shall be merged into and continue in the
Consolidated Bank, which shall be deemed to be the same corporation as each of
the consolidating banks, possessing all the rights, interests, privileges,
powers and franchises and being subject to all the restrictions, disabilities,
obligations, liabilities and duties of each of the consolidating banks. All
rights, interests, privileges and franchises of each of the consolidating banks
and all property, real, personal and mixed, and all debts and obligations owing
by or due to either of the consolidating banks on whatever account, 

                                       2
<PAGE>   65

shall be transferred to, become the obligation of and be vested in the
Consolidated Bank without any deed or other transfer and without any order or
other action on the part of any court or otherwise. All property, rights,
privileges, powers, franchises and interests and each and every other interest
shall be thereafter as effectually the property of the Consolidated Bank as they
were of each of the consolidating banks. The title to any real estate, whether
by deed or otherwise, vested in either MSB or New Bank, shall not revert or be
in any way impaired by reason of the Consolidation. The Consolidated Bank, by
virtue of the Consolidation, and without any order or other action on the part
of any court or otherwise, shall hold and enjoy the same and all rights of
property, franchises and interests, including appointments, designations and
nominations and all other rights and interests as trustee, executor,
administrator, registrar of stocks and bonds, guardian of estates, assignee,
receiver, guardian of mentally incompetent persons and in every other fiduciary
capacity, in the same manner and to the same extent as such rights, franchises
and interests were held or enjoyed by each consolidating bank at the Effective
Time.

         3.5. Principal Office and Branches. The principal office of the
Consolidated Bank shall be the principal banking office occupied by MSB in Bay
City, Michigan, as of the date of this Consolidation Agreement, and the branches
of the Consolidated Bank shall be all of the branches of MSB in operation at the
Effective Time and such other branches as may be duly authorized and established
from time to time.

         3.6 Capital. The authorized capital of the Consolidated Bank shall be
$__________, consisting of ________ shares of common stock, par value $100.00
per share.

         3.7 Directors and Officers. The Board of Directors and the officers of
the Consolidated Bank shall be the same persons, holding the same offices, as
the directors and officers of MSB immediately prior to the Effective Time,
provided that the following persons shall be additional directors of the
Consolidated Bank: .

                                    ARTICLE 4
                              CONVERSION OF SHARES

         4.1 Conversion of Shares. The manner of converting the shares of MSB
and New Bank shall be as follows:

                  (a) Shares of New Bank. At the Effective Time, each share of
         New Bank, par value $100.00 per share, issued and outstanding shall
         remain outstanding as a share of the Consolidated Bank, and the capital
         of New Bank shall become capital of the Consolidated Bank.

                  (b) Conversion of MSB Common Stock. At the Effective Time,
         subject to Article 5 hereof, by virtue of the Consolidation and without
         any action on the part of MSB, or the holder of any security of MSB,
         each share of common stock of MSB, par value $0.01 per share, issued
         and outstanding immediately prior to the Effective Time, other 

                                       3
<PAGE>   66

         than shares canceled pursuant to Section 4.1(e) hereof, shall be
         converted into the right to receive 0.8 fully paid and nonassessable
         shares (the "Conversion Ratio"), of IBC common stock, $1.00 par value
         per share (the "IBC Common Stock"), subject to adjustment as provided
         in this Section 4.1. If the sum of the number of shares of MSB Common
         Stock outstanding at the Effective Time plus the number of shares of
         MSB Common Stock that are subject to outstanding MSB Stock Options as
         of the Effective Time differs from 4,598,780 shares, the Conversion
         Ratio shall be automatically adjusted by multiplying the original
         Conversion Ratio by the quotient obtained by dividing 4,598,780 by the
         sum of the number of shares of MSB Common Stock issued and outstanding
         at the Effective Time plus the number of shares subject to the
         outstanding MSB Stock Options at the Effective Time; provided, however,
         that, in performing any such adjustment, the Conversion Ratio shall be
         rounded to the nearest hundredth of a share of IBC Common Stock.

                  (c) No Fractional Shares. No fractional shares of IBC Common
         Stock shall be issued. Each holder of MSB Common Stock who would
         otherwise be entitled to receive a fractional part of a share of IBC
         Common Stock pursuant to Section 4.1(b) shall instead be entitled to
         receive cash in an amount equal to the product resulting from
         multiplying such fraction by the average closing sale price of IBC
         Common Stock as reported on the Nasdaq Stock Market on the five trading
         days immediately preceding the Effective Time.

                  (d) Recapitalization. In the event that either IBC or MSB
         changes (or establishes a record date for changing) the number of
         shares of IBC Common Stock or shares of MSB Common Stock issued and
         outstanding as a result of a stock dividend, stock split,
         recapitalization, reclassification, combination, or similar transaction
         with respect to the outstanding shares of IBC Common Stock or MSB
         Common Stock, and the record date therefor shall be after the date of
         this Agreement and prior to the Effective Time, then the Conversion
         Ratio shall be appropriately and proportionately adjusted.

                  (e) Certain Owned Shares of MSB Common Stock. Any and all
         shares of MSB Common Stock owned by MSB, IBC, or any direct or indirect
         majority-owned Subsidiary of either of them, in each case other than in
         a fiduciary capacity that are beneficially owned by third parties or as
         a result of debts previously contracted, shall be canceled and retired
         at the Effective Time and no consideration shall be issued in exchange
         therefor.

                  (f) MSB Termination Right; IBC Adjustment Right. The Board of
         Directors of MSB may terminate this Consolidation Agreement upon
         written notice to IBC (the "Termination Notice"), at any time during
         the Determination Period (as defined below), if both of the following
         conditions are satisfied:

                      (i)        the Average Closing Price shall be less than
                  the product of 0.85 and the Starting Price; and

                                        4
<PAGE>   67

                      (ii)       (A) the quotient obtained by dividing the
                  Average Closing Price by the Starting Price (such number being
                  referred to herein as the "IBC Ratio") shall be
                  less than (B) the quotient obtained by dividing the Average
                  Index Price by the Index Price on the Starting Date and
                  subtracting 0.15 from the quotient in this clause (ii)(B)
                  (such number being referred to herein as the "Index Ratio");

         subject, however, to the following provisions. During the five (5) day
         period commencing with IBC's receipt of MSB's Termination Notice, IBC
         shall have the option to elect to increase the Conversion Ratio to
         equal the lesser of (i) the quotient obtained by dividing (A) the
         product of 0.85, the Starting Price and the Conversion Ratio by (B) the
         Average Closing Price, or (ii) the quotient obtained by dividing (A)
         the product of the Index Ratio and the Conversion Ratio by (B) the IBC
         Ratio. If IBC makes such an election within such five (5) day period,
         it shall give prompt written notice to MSB of such election and the
         revised Conversion Ratio, whereupon no termination shall have occurred
         pursuant to this Section 4.1(f) and this Consolidation Agreement shall
         remain in effect in accordance with its terms (except as the Conversion
         Ratio shall have been so modified), and any references in this
         Consolidation Agreement to "Conversion Ratio" shall thereafter be
         deemed to refer to the Conversion Ratio as adjusted pursuant to this
         Section 4.1(f).

                  For purposes of this Section 4.1(f), the following terms shall
         have the meanings indicated:

                  "Average Closing Price" means the average of the daily last
         sale prices of IBC Common Stock as reported on the Nasdaq Stock Market
         ("Nasdaq") (as reported in The Wall Street Journal or, if not reported
         therein, in another mutually agreed upon authoritative source) for the
         fifteen (15) consecutive full trading days in which such shares are
         traded on the Nasdaq ending at the close of trading on the first day of
         the Determination Period.

                  "Average Index Price" means the average of the Index Prices
         for the fifteen (15) consecutive full Nasdaq trading days ending at the
         close of trading on the first day of the Determination Period.

                  "Determination Period" means the fifteen (15) day period
         commencing two (2) days after the date on which the last Requisite
         Regulatory Approval required for consummation of the Consolidation
         shall be received.

                  "Index Group" means the Nasdaq Bank Stock Index.

                  "Index Price" on a given date means the average of the closing
         prices on such date of the companies comprising the Index Group.

                                       5
<PAGE>   68

                  "Starting Date" means the last full day on which the Nasdaq
         was open for trading prior to the execution of this Agreement.

                  "Starting Price" shall mean the last sale price per share of
         IBC Common Stock on the Starting Date, as reported by the Nasdaq (as
         reported in The Wall Street Journal or, if not reported therein, in
         another mutually agreed upon authoritative source).

         4.2 IBC Common Stock. All shares of IBC Common Stock that are issued
and outstanding immediately prior to the Effective Time shall continue to be
issued and outstanding shares of IBC Common Stock at and after the Effective
Time.

                                    ARTICLE 5
                         EXCHANGE OF STOCK CERTIFICATES

             (a) At or prior to the Effective Time, IBC shall deposit, or shall 
         cause to be deposited, with State Street Bank & Trust (the "Exchange
         Agent"), for the benefit of the holders of MSB Common Stock
         Certificates, for exchange in accordance with this Article 5, IBC
         Common Stock Certificates and cash in lieu of fractional shares of IBC
         Common Stock (such cash and IBC Common Stock Certificates, together
         with any dividends and distributions with respect thereto paid after
         the Effective Time, being hereinafter referred to as the "Conversion
         Fund") to be issued pursuant to Section 4.1(b) and (c) and paid
         pursuant to Article 5, Subsection (b), in exchange for outstanding
         shares of MSB Common Stock.

             (b) As promptly as practicable after the Effective Time but not 
         later than five (5) business days after the Effective Time, IBC shall
         cause the Exchange Agent to mail to each holder of record on the
         Effective Time of any shares of MSB Common Stock a letter of
         transmittal (in a form approved by IBC) containing instructions for the
         surrender of all certificates for shares of IBC Common Stock and any
         cash in lieu of fractional shares into which the shares of MSB
         represented by such MSB Common Stock Certificates shall have been
         converted pursuant to this Consolidation Agreement. Upon the proper
         surrender by such holder of a certificate or certificates for shares of
         MSB Common Stock standing in such holder's name to the Exchange Agent
         in accordance with the instructions set forth in the letter of
         transmittal, such holder shall be entitled to receive in exchange
         therefor a certificate representing the number of whole shares of IBC
         Common Stock into which the shares represented by the certificate or
         certificates so surrendered shall have been converted and, if
         applicable, a check payable to such holder in the amount necessary to
         pay for any fractional shares of IBC Common Stock which such holder
         would otherwise have been entitled to receive, in accordance with
         subsection 4.1(c) hereof, and the MSB Common Stock Certificate so
         surrendered shall forthwith be canceled. No interest shall be payable
         with respect to either the whole shares of IBC Common Stock or the cash
         payable in lieu of fractional shares. Immediately after the third
         anniversary of the Effective Time, the Exchange Agent shall deliver to
         IBC any unclaimed balance of cash owing with respect to

                                       6
<PAGE>   69

         fractional shares and such cash shall be retained by, and become the
         property of IBC, free and clear of any claims whatsoever.

             (c) Neither IBC nor the Exchange Agent shall be obligated to 
         deliver a certificate for IBC Common Stock or a check for cash in lieu
         of fractional shares to a former shareholder of MSB until such former
         shareholder surrenders the certificate or certificates representing
         shares of MSB Common Stock standing in such former shareholder's name
         or, if such former shareholder is unable to locate such certificate or
         certificates, an appropriate affidavit of loss and indemnity agreement
         and bond as may be required by IBC. Until so surrendered, each
         outstanding certificate for shares of MSB Common Stock shall be deemed
         for all corporate purposes (except the payment of dividends) to
         evidence ownership of the number of whole shares of IBC Common Stock
         into which the shares of MSB Common Stock represented thereby shall
         have been converted.

             (d) After the Effective Time, no dividends or distributions payable
         to holders of record of IBC Common Stock shall be paid to any holder of
         an outstanding certificate or certificates formerly representing shares
         of MSB Common Stock until such certificate(s) are surrendered by such
         holder in accordance with the terms of this Consolidation Agreement.
         Promptly upon surrender of such outstanding certificate(s), there shall
         be paid to such holder of the certificate or certificates for IBC
         Common Stock issued in exchange therefor the amount of dividends and
         other distributions, if any, which theretofore became payable with
         respect to such full shares of IBC Common Stock, but which have not
         theretofore been paid on such stock. No interest shall be payable with
         respect to the payment of any dividends or other distributions. All
         such dividends or other distributions unclaimed at the end of three
         years from the Effective Time shall, to the extent such dividends have
         been previously paid to the Exchange Agent, be repaid by the Exchange
         Agent to IBC, and thereafter the holders of such outstanding
         certificates for MSB Common Stock shall look, subject to applicable
         escheat, unclaimed funds, and other laws, only to IBC as general
         creditors for payment thereof.

             (e) The stock transfer books of MSB shall be closed as of the close
         of business on the business day immediately preceding the date of the
         Effective Time. After such date, there shall be no further registration
         on the records of MSB of transfers of outstanding certificates formerly
         representing shares of MSB Common Stock.

                                    ARTICLE 6
                              SHAREHOLDER APPROVAL

         This Consolidation Agreement shall be submitted to the shareholders of
each of MSB, New Bank and IBC at separate meetings of such shareholders, each
duly called and held in accordance with the provisions of the Banking Code, the
Michigan Business Corporation Act, the laws of the United States, and other
applicable statutes, as the case may be. In order for the Consolidation to be
effective, this Consolidation Agreement and the Agreement must be adopted by the

                                       7
<PAGE>   70
 affirmative vote of the holders of not less than two thirds (2/3) of the issued
and outstanding common shares of MSB, not less than two thirds (2/3) of the
issued and outstanding common shares of New Bank, and not less than a majority
of the votes cast at the IBC shareholders' meeting to approve the Consolidation.

                                    ARTICLE 7
                            MISCELLANEOUS PROVISIONS

         7.1 No Dissenters' Rights. Pursuant to 12 CFR ss. 552.14, holders of
MSB Common Stock shall not have dissenters' appraisal rights in the
Consolidation due to the fact that the shares of IBC Common Stock will be quoted
on the Nasdaq Stock Market.

         7.2 Defined Terms. All capitalized terms not otherwise defined in this
Consolidation Agreement shall have the meanings ascribed to them in the
Agreement.

         7.3 Termination. Notwithstanding anything herein to the contrary, in
the event the Agreement shall have been terminated pursuant to Article VI
thereof, this Consolidation Agreement shall automatically terminate.

         7.4 Governing Law. This Consolidation Agreement shall be construed and
interpreted according to the laws of Michigan, without regard to any applicable
conflict of laws, except to the extent that the laws, rules and regulations of
the United States govern certain aspects of the Consolidation as it relates to
MSB.

         7.5 Counterparts. This Consolidation Agreement may be executed in any
number of counterparts, each of which shall be deemed an original, but all of
which together shall constitute one and the same instrument.

         7.6 Amendment. MSB and IBC, by mutual consent of a majority of their
respective Boards of Directors, may amend, modify or supplement this
Consolidation Agreement in whole or in part, and in such manner as may be agreed
upon by them in writing, provided that any such amendment, modification, or
supplement subsequent to the adoption of this Consolidation Agreement by MSB's
or IBC's shareholders may be effected only if the Board of Directors of MSB and
IBC determine that such amendment, modification, or supplement does not and will
not have

                                        8

<PAGE>   71


a material adverse effect on the shareholders of the Party whose shareholders
have previously approved this Consolidation Agreement.

         IN WITNESS WHEREOF, MSB and New Bank have caused this Consolidation
Agreement to be executed by their duly authorized officers and their corporate
seals to be hereunto affixed as of the date first written above, and directors
constituting a majority of the Board of Directors of each such bank have
hereunto subscribed their names.

                                            MUTUAL SAVINGS BANK, F.S.B.


ATTEST: ____________________________        BY:_________________________________
                                               ROBERT N. SHUSTER
                                               CHIEF EXECUTIVE OFFICER


                         A MAJORITY OF THE DIRECTORS OF
                           MUTUAL SAVINGS BANK, F.S.B.





____________________________________           _________________________________

____________________________________           _________________________________

____________________________________           _________________________________



                                            NEW MSB BANK


ATTEST: ____________________________        BY:_________________________________
                                               CHARLES C. VAN LOAN, PRESIDENT


                           A MAJORITY OF DIRECTORS OF
                                  NEW MSB BANK


____________________________________           _________________________________


                                       9
<PAGE>   72

____________________________________           _________________________________

____________________________________           _________________________________

____________________________________           _________________________________



         INDEPENDENT BANK CORPORATION hereby joins in the foregoing
Consolidation Agreement and undertakes that it will be bound thereby and that it
will do and perform all acts and things therein referred to or provided to be
done by it.

         IN WITNESS WHEREOF, Independent Bank Corporation has caused this
undertaking to be executed by its duly authorized officer as of the date first
above written.


                                         INDEPENDENT BANK CORPORATION


ATTEST:                                  BY:____________________________________

                                            CHARLES C. VAN LOAN, PRESIDENT
                                            AND CHIEF EXECUTIVE OFFICER


                                       10
<PAGE>   73
                           WARRANT PURCHASE AGREEMENT


         THIS WARRANT PURCHASE AGREEMENT (this "Warrant Purchase Agreement") is
made as of March 24, 1999, between INDEPENDENT BANK CORPORATION, a Michigan
corporation ("IBC"), and MUTUAL SAVINGS BANK, f.s.b., a federally chartered
stock savings bank ("MSB").

                                    RECITALS:

         A. Concurrently herewith, IBC and MSB have entered into a certain
Agreement and Plan of Reorganization, dated as of the date hereof (the
"Agreement"), which provides for the consolidation of MSB into a wholly owned
subsidiary of IBC (the "Consolidation") pursuant to a Consolidation Agreement
containing certain additional terms and conditions relating to the Consolidation
(the "Consolidation Agreement"). (The Agreement and the Consolidation Agreement
are sometimes hereinafter collectively referred to as the "Merger Documents.")
All capitalized terms used herein and not otherwise defined herein shall have
the meanings ascribed to them in the Merger Documents.

         B. As a condition to IBC's entering into the Agreement, and in
consideration therefor, MSB has agreed to issue to IBC a warrant or warrants
entitling IBC to purchase up to a total of 853,792 shares of MSB Common Stock,
on the terms and conditions set forth herein.

                                   AGREEMENT:

         NOW, THEREFORE, in consideration of the foregoing and the mutual
covenants and agreements set forth herein, the parties hereto agree as follows:

         SECTION 1.   ISSUANCE, DELIVERY, AND EXERCISE OF THE WARRANT.
Concurrently with the execution of the Agreement and this Warrant Purchase
Agreement, MSB shall execute a warrant in favor of IBC in the form attached as
Attachment A hereto (the "Warrant") to purchase up to a total of 853,792 shares
of MSB Common Stock at a purchase price equal to $9.8125 per share (the
"Exercise Price"), subject to adjustments as provided in the Warrant. (The
holder of the Warrant from time to time is hereinafter referred to as the
"Holder.") The Warrant shall be exercisable in accordance with the terms and
conditions set forth therein.

         SECTION 2.   REGISTRATION RIGHTS. If, at any time after the Warrant
becomes exercisable in accordance with its terms, MSB shall receive a written
request therefor from the Holder, MSB shall prepare and file a registration
statement under the Securities Act of 1933, as amended, or under the applicable
federal laws and Office of Thrift Supervision regulations (the "Applicable
Securities Laws") covering such number of shares of MSB Common Stock as the
Holder shall specify in the request and shall use its best efforts to cause such
registration statement to become effective; provided, however, that the Holder
shall only have the right to request one such registration. Without the written
consent of the Holder, neither MSB nor any other holder of securities of MSB may
include any other securities in such registration.


                                    EXHIBIT B

<PAGE>   74



         SECTION 3.   "PIGGYBACK" RIGHTS. If, at any time after the Warrant
becomes exercisable in accordance with its terms, MSB shall determine to proceed
with the preparation and filing of a registration statement under the Applicable
Securities Laws in connection with the proposed offer and sale for money of any
of its securities (other than in connection with a dividend reinvestment,
employee stock purchase, stock option, or similar plan or a registration
statement on Form S-4) by it or any of its security holders, MSB shall give
written notice thereof to the Holder. Upon the written request of the Holder
given within ten days after receipt of any such notice from MSB, MSB shall,
except as herein provided, cause all shares of MSB Common Stock which the Holder
shall request be included in such registration statement to be so included;
provided, however, that nothing herein shall prevent MSB from abandoning or
delaying any registration at any time; and provided, further, that if MSB
decides not to proceed with a registration after the registration statement has
been filed with the United States Securities and Exchange Commission or the
Office of Thrift Supervision, as required by applicable law (the "Securities
Regulator") and MSB's decision not to proceed is primarily based upon the
anticipated public offering price of the securities to be sold by MSB, MSB shall
promptly complete the registration for the benefit of the Holder if the Holder
agrees to bear all additional and incremental expenses incurred by MSB as the
result of such registration after MSB has decided not to proceed. If any
registration pursuant to this Section shall be underwritten in whole or in part,
the Holder may require that any shares of MSB Common Stock requested for
inclusion pursuant to this Section be included in the underwriting on the same
terms and conditions as the securities otherwise being sold through the
underwriters. In the event that the shares of MSB Common Stock requested for
inclusion pursuant to this Section would constitute more than 25 percent of the
total number of shares to be included in a proposed underwritten public
offering, and if in the good faith judgment of the managing underwriter of such
public offering the inclusion of all of such shares would interfere with the
successful marketing of the shares being offered by MSB, the number of shares
otherwise to be included in the underwritten public offering hereunder may be
reduced; provided, however, that after any such required reduction, the shares
of MSB Common Stock to be included in such offering for the account of the
Holder shall constitute at least 25 percent of the total number of shares to be
included in such offering.

         SECTION 4.  OBLIGATIONS OF MSB IN CONNECTION WITH A REGISTRATION. If
and whenever MSB is required by the provisions of Sections 2 or 3 hereof to
effect the registration of any shares of MSB Common Stock under the Applicable
Securities Laws, MSB shall:

                  (a) prepare and file with the Securities Regulator a
         registration statement with respect to such securities and use its best
         efforts to cause such registration statement to become and remain
         effective for such period as may be reasonably necessary to effect the
         sale of such securities, not to exceed nine months;

                  (b) prepare and file with the Securities Regulator such
         amendments to such registration statement and supplements to the
         prospectus contained therein as may be necessary to keep such
         registration statement effective for such period as may be reasonably
         necessary to effect the sale of such securities, not to exceed nine
         months;


                                        2

<PAGE>   75



                  (c) furnish to the Holder and to the underwriters of the
         securities being registered such reasonable number of copies of the
         registration statement, amendments thereto, preliminary prospectus,
         final prospectus, and such other documents as the Holder or such
         underwriters may reasonably request in order to facilitate the public
         offering of such securities;

                  (d) use its best efforts to register or qualify the securities
         covered by such registration statement under such state securities or
         blue sky laws of such jurisdictions as the Holder or such underwriters
         may reasonably request; provided that MSB shall not be required by
         virtue hereof to submit to the general jurisdiction of any state;

                  (e) notify the Holder, promptly after MSB shall receive notice
         thereof, of the time when such registration statement or any
         post-effective amendment thereof has become effective or a supplement
         to any prospectus forming a part of such registration statement has
         been filed;

                  (f) notify the Holder promptly of any request by the
         Securities Regulator for the amending or supplementing of such
         registration statement or prospectus or for additional information;

                  (g) prepare and file with the Securities Regulator, promptly
         upon the request of the Holder, any amendments or supplements to such
         registration statement or prospectus which, in the opinion of counsel
         for the Holder (and concurred in by counsel for MSB), is required under
         the Applicable Securities Laws or the rules and regulations promulgated
         thereunder in connection with the distribution of the shares of MSB
         Common Stock by the Holder;

                  (h) prepare and promptly file with the Securities Regulator
         such amendment or supplement to such registration statement or
         prospectus as may be necessary to correct any statements or omissions
         if, at the time when a prospectus is required to be delivered under the
         Applicable Securities Laws, any event shall have occurred as the result
         of which such prospectus as then in effect would include an untrue
         statement of a material fact or omit to state any material fact
         necessary to make the statements therein, in the light of the
         circumstances in which they were made, not misleading;

                  (i) advise the Holder, promptly after it shall receive notice
         or obtain knowledge thereof, of the issuance of any stop order by the
         Securities Regulator suspending the effectiveness of such registration
         statement or the initiation or threatening of any proceeding for that
         purpose and promptly use its best efforts to prevent the issuance of
         any stop order or to obtain its withdrawal if such stop order should be
         issued; and

                  (j) at the request of the Holder, furnish on the date or dates
         provided for in the underwriting agreement: (i) an opinion or opinions
         of the counsel representing MSB for the purposes of such registration,
         addressed to the underwriters and to the Holder, covering such
         matters as such underwriters and the Holder may reasonably request and
         as are customarily 

                                       3
<PAGE>   76

         covered by issuer's counsel at that time; and (ii) a letter or letters
         from the independent certified public accountants of MSB, addressed to
         the underwriters and to the Holder, covering such matters as such
         underwriters or the Holder may reasonably request, in which letters
         such accountants shall state (without limiting the generality of the
         foregoing) that they are independent certified public accountants
         within the meaning of the Applicable Securities Laws and that, in the
         opinion of such accountants, the financial statements and other
         financial data of MSB included in the registration statement or any
         amendment or supplement thereto comply in all material respects with
         the applicable accounting requirements of the Applicable Securities
         Laws.

         SECTION 5.   EXPENSES OF REGISTRATION. With respect to a registration
requested pursuant to Section 2 hereof and with respect to each inclusion of
shares of MSB Common Stock in a registration statement pursuant to Section 3
hereof, MSB shall bear the following fees, costs, and expenses: all
registration, stock exchange listing, and NASD fees, printing expenses, fees and
disbursements of counsel and accountants for MSB, fees and disbursements of
counsel for the underwriter or underwriters of such securities (if MSB and/or
the Holder are required to bear such fees and disbursements), and all legal fees
and disbursements and other expenses of complying with state securities or blue
sky laws of any jurisdictions in which the securities to be offered are to be
registered or qualified. Fees and disbursements of counsel and accountants for
the Holder, underwriting discounts and commissions and transfer taxes relating
to the MSB Common Stock being sold for the Holder, and any other expenses
incurred by the Holder not expressly included above shall be borne by the
Holder.

         SECTION 6.   INDEMNIFICATION.

                  (a) MSB shall indemnify and hold harmless the Holder, any
         underwriter (as defined in the Applicable Securities Laws) for the
         Holder, and each person, if any, who controls the Holder or such
         underwriter within the meaning of the Applicable Securities Laws, from
         and against any and all loss, damage, liability, cost, and expense to
         which the Holder or any such underwriter or controlling person may
         become subject under the Applicable Securities Laws or otherwise,
         insofar as such losses, damages, liabilities, costs, or expenses are
         caused by any untrue statement or alleged untrue statement of any
         material fact contained in any registration statement filed pursuant to
         Section 4 hereof, any prospectus or preliminary prospectus contained
         therein, or any amendment or supplement thereto, or arise out of or are
         based upon the omission or alleged omission to state therein a material
         fact required to be stated therein or necessary to make the statements
         therein, in light of the circumstances in which they are made, not
         misleading; provided, however, that MSB will not be liable in any such
         case to the extent that any such loss, damage, liability, cost, or
         expense arises out of or is based upon an untrue statement or alleged
         untrue statement or omission or alleged omission so made in conformity
         with information furnished by the Holder, such underwriter, or such
         controlling persons in writing specifically for use in the preparation
         thereof.

                  (b) Promptly after receipt by an indemnified party pursuant to
         the provisions of paragraph (a) of this Section 6 of notice of the
         commencement of any action involving the 

                                       4
<PAGE>   77

         subject matter of the foregoing indemnity provisions, such indemnified
         party shall, if a claim thereof is to be made against MSB pursuant to
         the provision of such paragraph (a), promptly notify MSB of the
         commencement thereof; but the omission to so notify MSB will not
         relieve it from any liability which it may have to any indemnified
         party otherwise hereunder. In case such action is brought against any
         indemnified party and such indemnified party notifies MSB of the
         commencement thereof, MSB shall have the right to participate in and,
         to the extent that it may wish to do so, to assume the defense thereof,
         with counsel satisfactory to such indemnified party; provided, however,
         if the defendants in any action include both the indemnified party and
         MSB and there is a conflict of interest which would prevent counsel for
         MSB from also representing the indemnified party, the indemnified party
         or parties shall have the right to select one separate counsel to
         participate in the defense of such action on behalf of such indemnified
         party or parties. After notice from MSB to such indemnified party of
         its election so to assume the defense of any such action, the
         indemnified party shall have the right to participate in such action
         and to retain its own counsel, but MSB shall not be required to
         indemnify and hold harmless the indemnified party pursuant to the
         provisions of such paragraph (a) for any legal fees or other expenses
         subsequently incurred by such indemnified party in connection with the
         defense thereof, other than reasonable costs of investigation, unless
         (i) the indemnified party shall have employed separate counsel in
         accordance with the provisions of the preceding sentence of this
         paragraph (b), (ii) MSB shall not have employed counsel satisfactory to
         the indemnified party to represent the indemnified party within a
         reasonable time after the notice of the commencement of the action, or
         (iii) MSB has authorized the employment of counsel for the indemnified
         party at the expense of MSB.

                  (c) If recovery is not available under the foregoing
         indemnification provisions, for any reason other than as specified
         therein, the parties entitled to indemnification by the terms thereof
         shall be entitled to contribution to liabilities and expenses, except
         to the extent that contribution is not permitted under Section 11(f) of
         the Securities Act of 1933, as amended. In determining the amount of
         contribution to which the respective parties are entitled, there shall
         be considered the parties' relative knowledge and access to information
         concerning the matter with respect to which the claim was asserted, the
         opportunity to correct and prevent any statement or omission, and any
         other equitable considerations appropriate under the circumstances.

         SECTION 7.   REPURCHASE RIGHTS.

                  (a) Immediately prior to the occurrence of a Repurchase Event
         (as defined below), (i) following a request of the Holder, delivered
         prior to an Exercise Termination Event, MSB (or any successor thereto)
         shall repurchase the Warrant from the Holder at a price (the "Warrant
         Repurchase Price") equal to the amount by which (A) the Market/Offer
         Price (as defined below) exceeds (B) the Exercise Price, multiplied by
         the number of shares for which the Warrant may then be exercised, and
         (ii) at the request of the owner of shares of MSB Common Stock
         purchased pursuant to an exercise of the Warrant ("Warrant Stock") from
         time to time (the "Owner"), delivered within 90 days of such
         occurrence, MSB shall repurchase such number of shares of the Warrant
         Stock from the Owner as the Owner shall 

                                       5
<PAGE>   78

         designate at a price (the "Warrant Stock Repurchase Price") equal to
         the Market/Offer Price multiplied by the number of shares of Warrant
         Stock so designated.

                  (b) For purposes of paragraph (a) of this Section 7, the
         "Market/Offer Price" shall mean the highest of (i) the price per share
         at which a tender offer or exchange offer for shares of MSB Common
         Stock has been made, (ii) the price per share of MSB Common Stock to be
         paid by any third party pursuant to an agreement with MSB, and (iii)
         the highest closing price for shares of MSB Common Stock within the
         4-month period immediately preceding the date the Holder gives notice
         of the required repurchase of the Warrant or the Owner gives notice of
         the required repurchase of Warrant Stock, as appropriate. In the event
         that an exchange offer is made or an agreement is entered into for a
         merger or consolidation involving consideration other than cash, the
         value of the securities or other property issuable or deliverable in
         exchange for MSB Common Stock shall be determined by a nationally
         recognized investment banking firm mutually acceptable to the parties
         hereto.

                  (c) The Holder and the Owner may exercise their respective
         rights to require MSB to repurchase the Warrant or the Warrant Stock
         pursuant to this Section 7 by surrendering for such purpose to MSB, at
         its principal office, the Warrant or certificates for shares of Warrant
         Stock, as the case may be, free and clear of any liens, claims,
         encumbrances, or rights of third parties of any kind, accompanied by a
         written notice or notices stating that the Holder or the Owner, as the
         case may be, requests MSB to repurchase such Warrant or Warrant Stock
         in accordance with the provisions of this Section 7. Subject to the
         last proviso of Subsection 7(d) below, as promptly as practicable, and
         in any event within five business days after the surrender of the
         Warrant or certificates representing shares of Warrant Stock and the
         receipt of such notice or notices relating thereto, MSB shall deliver
         or cause to be delivered to the Holder or Owner the Warrant Repurchase
         Price or the Warrant Stock Repurchase Price therefor, as applicable, or
         the portion thereof which MSB is not then prohibited under applicable
         law and regulation from so delivering.

                  (d) To the extent that MSB is prohibited under applicable law
         or regulation, or as a result of administrative or judicial action,
         from repurchasing the Warrant and/or the Warrant Stock in full at any
         time that it may be required to do so hereunder, MSB shall immediately
         so notify the Holder and/or the Owner and thereafter deliver or cause
         to be delivered, from time to time, to the Holder and/or the Owner, as
         appropriate, the portion of the Warrant Repurchase Price and the
         Warrant Stock Repurchase Price, respectively, which it is no longer
         prohibited from delivering, within five business days after the date on
         which MSB is no longer so prohibited. Upon receipt of such notice from
         MSB and for a period of 15 days thereafter, the Holder and/or Owner may
         revoke its notice of repurchase of the Warrant and/or Warrant Stock by
         written notice to MSB at its principal office stating that the Holder
         and/or the Owner elects to revoke its election to exercise its right to
         require MSB to repurchase the Warrant and/or Warrant Stock, whereupon
         MSB will promptly deliver to the Holder and/or Owner the Warrant and/or
         certificates representing shares of Warrant Stock surrendered to MSB
         for purposes of such repurchase. Whether or not such election is
         revoked, MSB hereby agrees to use its best efforts to obtain all
         required legal and regulatory

                                       6
<PAGE>   79

         approvals necessary to permit MSB to repurchase the Warrant and/or the
         Warrant Stock to the full extent and as promptly as practicable.

                  (e) For purposes of this Section 7, a Repurchase Event shall
         be deemed to have occurred upon (i) the consummation of any merger,
         consolidation or similar transaction involving MSB or any purchase,
         lease or other acquisition of all or a substantial portion of the
         assets of MSB, other than any such transaction which would not
         constitute an Acquisition Transaction pursuant to the provisions of
         Section 1(c) of the Warrant, or (ii) upon the acquisition by any person
         of beneficial ownership of 50% or more of the then outstanding shares
         of MSB Common Stock.

         SECTION 8.   ASSUMPTION OF OBLIGATIONS UNDER THIS AGREEMENT.
MSB will not enter into any transaction described in paragraph 5(a) of the
Warrant unless the "Acquiring Corporation" (as that term is defined in the
Warrant) assumes in writing all the obligations of MSB hereunder. Neither of the
parties hereto may assign any of its rights or obligations under this Agreement
or the Warrant created hereunder to any other person, without the express
written consent of the other party, except that in the event a Triggering Event
shall have occurred prior to an Exercise Termination Event, the Holder, subject
to the express provisions hereof, may assign in whole or in part its rights and
obligations hereunder within 90 days following such Triggering Event; provided,
however, that until the date 15 days following the date on which the Office of
Thrift Supervision approves an application by the Holder pursuant to applicable
laws and regulations to acquire the shares of MSB Common Stock subject to the
Warrant, IBC may not assign its rights under the Warrant except in (i) a widely
dispersed public distribution, (ii) a private placement in which no one party
acquires the right to purchase in excess of 2% of the voting shares of MSB,
(iii) an assignment to a single party (e.g., a broker or investment banker) for
the purpose of conducting a widely dispersed public distribution on the Holder's
behalf, or (iv) any other manner approved by the Office of Thrift Supervision.

         SECTION 9.   REMEDIES. Without limiting the foregoing or any remedies
available to the Holder, MSB specifically acknowledges that neither IBC nor any
successor holder of the Warrant would have an adequate remedy at law for any
breach of this Warrant Purchase Agreement and MSB hereby agrees that IBC and any
successor holder of the Warrant shall be entitled to specific performance of the
obligations of MSB hereunder and injunctive relief against actual or threatened
violations of the provisions hereof.



                                        7

<PAGE>   80



         SECTION 10.  TERMINATION.  This Warrant Purchase Agreement will 
terminate upon a  termination of the Warrant in accordance with Section 9
thereof.

         IN WITNESS WHEREOF, the parties hereto have executed this Warrant
Purchase Agreement as of the day and year first above written.


                                      INDEPENDENT BANK CORPORATION


                                      By:
                                         ---------------------------------------
                                         Charles Van Loan
                                         Its: Chief Executive Officer

                                      MUTUAL SAVINGS BANK, F.S.B.


                                      By:
                                         ---------------------------------------
                                         Robert N. Schuster
                                         Its: Chief Executive Officer


                                        8

<PAGE>   81


                   ATTACHMENT A TO WARRANT PURCHASE AGREEMENT


THIS WARRANT AND THE COMMON SHARES ISSUABLE UPON THE EXERCISE HEREOF HAVE NOT
BEEN REGISTERED UNDER THE SECURITIES ACT OF 1933, AS AMENDED, OR REGISTERED OR
QUALIFIED UNDER ANY STATE SECURITIES LAWS, AND MAY NOT BE SOLD OR OTHERWISE
TRANSFERRED WITHOUT BEING SO REGISTERED OR QUALIFIED UNLESS AN EXEMPTION OR
EXEMPTIONS FROM SUCH REGISTRATION OR QUALIFICATION REQUIREMENTS ARE AVAILABLE.

                                     WARRANT

                        TO PURCHASE 853,792 COMMON SHARES

                                       OF

                           MUTUAL SAVINGS BANK, F.S.B.

         This is to certify that, for value received, INDEPENDENT BANK
CORPORATION, a Michigan corporation ("IBC"), is entitled to purchase from MUTUAL
SAVINGS BANK, f.s.b., a federally chartered stock savings bank ("MSB"), at any
time within ninety days after the first occurrence of a Triggering Event and
prior to the occurrence of an Exercise Termination Event, an aggregate of up to
853,792 common shares, $0.01 par value per share, of MSB ("MSB Common Stock"),
at a price of $9.8125 per share (the "Exercise Price"), subject to the terms and
conditions of this Warrant and a certain Warrant Purchase Agreement, of even
date herewith, between IBC and MSB (the "Warrant Purchase Agreement"). The
number of shares of MSB Common Stock which may be received upon the exercise of
this Warrant and the Exercise Price are subject to adjustment from time to time
as hereinafter set forth. The terms and conditions set forth in this Warrant and
the Warrant Purchase Agreement shall be binding upon the respective successors
and assigns of both of the parties hereto. This Warrant is issued in connection
with a certain Agreement and Plan of Reorganization, dated as of the date
hereof, between IBC and MSB (the "Merger Agreement"), which provides for the
consolidation of MSB into a wholly owned subsidiary of IBC (the
"Consolidation"), and a certain Consolidation Agreement among IBC, its
subsidiary and MSB, which provides certain additional terms and conditions
relating to the Merger (the "Consolidation Agreement"). The Merger Agreement and
the Consolidation Agreement are sometimes hereinafter collectively referred to
as the "Merger Documents." All capitalized terms used herein and not otherwise
defined herein shall have the meanings ascribed to them in the Merger Documents.
The term "Holder" shall mean and refer to IBC or any successor holder of this
Warrant.

         SECTION 1.   EXERCISE OF THE WARRANT.

                  (a) The Holder will not exercise this Warrant unless it has
         obtained all required approvals, if any, of appropriate regulatory
         authorities having jurisdiction, including the Office of Thrift
         Supervision, pursuant to all applicable laws and regulations. Further,
         subject to the terms and conditions set forth in this Warrant and in
         the Warrant Purchase Agreement and the provisions of applicable law, 
         the Holder will not exercise this Warrant without the 

                                       1
<PAGE>   82

         written consent of MSB except within ninety days after the occurrence
         of any of the following events (a "Triggering Event") and prior to the
         occurrence of an Exercise Termination Event:

                           (i)   any material, willful, and intentional breach 
                  of the Merger Documents by MSB that would permit IBC to
                  terminate the Merger Documents (A) occurring after the receipt
                  by MSB of a proposal to engage in an Acquisition Transaction,
                  (B) occurring after the announcement by any other Person of an
                  intention to engage in an Acquisition Transaction, or (c) in
                  anticipation and for the purpose of engaging in an Acquisition
                  Transaction;

                           (ii)  (A) a proposal to engage in an Acquisition
                  Transaction is submitted to and approved by the shareholders
                  of MSB at any time prior to December 31, 2000, or (B) a Tender
                  Offer is commenced and the transactions contemplated in the
                  Tender Offer are completed in such a manner that the Person
                  making the Tender Offer acquires beneficial ownership of more
                  than 20 percent of the capital stock or any other class of
                  voting securities of MSB, and the Consolidation is not
                  consummated prior to December 31, 2000;

                           (iii) (A) a proposal to engage in an Acquisition
                  Transaction is received by MSB or a Tender Offer is made
                  directly to the shareholders of MSB or the intention of making
                  an Acquisition Transaction or Tender Offer is announced at any
                  time prior to the holding of the MSB Shareholders' Meeting;
                  and (B) the Board of Directors of MSB (1) fails to recommend
                  to the shareholders of MSB that they vote their shares of MSB
                  Common Stock in favor of the approval of the Consolidation,
                  (2) withdraws such recommendation previously made, (3) fails
                  to solicit proxies of shareholders of MSB to approve the
                  Consolidation, or (4) fails to hold the MSB Shareholders'
                  Meeting;

                  (b) Notwithstanding the foregoing, this Warrant shall not be
         exercisable after the occurrence of an Exercise Termination Event which
         for purposes hereof means (i) the Effective Time (as defined in the
         Agreement) of the Consolidation, (ii) the failure of the shareholders
         of IBC to approve the Consolidation; (iii) the failure of any
         Regulatory Authority to provide any required Consent to the
         Consolidation, which failure was not the result of the existence of the
         Acquisition Proposal or a breach by MSB of any of its obligations under
         any of the Merger Documents; or (iv) the Merger Documents are
         terminated pursuant to Section 6.1 of the Merger Agreement, unless the
         event giving rise to the right to terminate is a breach by MSB and is
         preceded by a Triggering Event or the receipt by MSB of an Acquisition
         Transaction proposal, or the announcement by another Person of a
         proposal involving an Acquisition Transaction.

                  (c) An "Acquisition Transaction" shall mean a transaction
         between MSB and any Person other than IBC or any Affiliate of IBC
         involving (A) the sale or other disposition of more than 20% of the
         shares of the capital stock or any other class of voting securities of
         MSB, including, but not limited to, a Tender Offer, (B) the sale or
         other disposition of 15% 

                                       2
<PAGE>   83

         or more of the consolidated assets or deposits of MSB, or (c) a merger
         or consolidation involving MSB other than a transaction pursuant to
         which MSB will be the surviving corporation and the current
         shareholders of MSB will be the owners of a majority of the stock of
         the surviving corporation following the transaction. For purposes of
         this Section 1, a Tender Offer which is contingent upon the expiration
         of the Warrant is deemed to commence when it is announced.

                  (d) This Warrant shall be exercised by presentation and
         surrender hereof to MSB at its principal office accompanied by (i) a
         written notice of exercise for a specified number of shares of MSB
         Common Stock, (ii) payment to MSB, for the account of MSB, of the
         Exercise Price for the number of shares specified in such notice, and
         (iii) a certificate of the Holder indicating the Triggering Event that
         has occurred which entitles the Holder to exercise this Warrant. The
         Exercise Price for the number of shares of MSB Common Stock specified
         in the notice shall be payable in immediately available funds.

                  (e) Upon such presentation and surrender, MSB shall issue
         promptly (and within three business days if requested by the Holder) to
         the Holder, or any assignee, transferee, or designee permitted by
         subparagraph (g) of this Section 1, the shares to which the Holder is
         entitled hereunder and the Holder shall deliver to MSB a copy of this
         Warrant and a letter agreeing that the Holder will not offer to sell or
         otherwise dispose of such shares in violation of applicable law or the
         provisions of this Warrant.

                  (f) Certificates for shares of MSB Common Stock may 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 provisions of an agreement between the
                  registered holder hereof and Issuer and to resale restrictions
                  arising under the Securities Act of 1933, as amended. A copy
                  of such agreement is on file at the principal office of Issuer
                  and will be provided 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 "1933
         Act"), in the above legend shall be removed by delivery of substitute
         certificate(s) without such reference if the Holder shall have
         delivered to MSB a copy of a letter from the staff of the SEC, or an
         opinion of counsel, in form and substance reasonably satisfactory to
         MSB, to the effect that such legend is not required for purposes of the
         1933 Act; (ii) the reference to the provisions of this Warrant in the
         above legend shall be removed by delivery of substitute certificate(s)
         without such reference if the shares have been sold or transferred in
         compliance with the provisions of this Warrant 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 addition, such
         certificates shall bear any other legend as may be required by law.


                                       3
<PAGE>   84

                  (g) If this Warrant should be exercised in part only, MSB
         shall, upon surrender of this Warrant for cancellation, execute and
         deliver a new Warrant evidencing the rights of the Holder thereof to
         purchase the balance of the shares purchasable hereunder. Upon receipt
         by MSB of this Warrant, in proper form for exercise, the Holder shall
         be deemed to be the holder of record of the shares of MSB Common Stock
         issuable upon such exercise, notwithstanding that the stock transfer
         books of MSB shall then be closed or that certificates representing
         such shares of MSB Common shall not then be actually delivered to the
         Holder. MSB shall pay all expenses, and any and all 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 1 in the name of the Holder or of any assignee, transferee, or
         designee permitted by subparagraph (g) of this Section 1.

                  (h) Neither of the parties hereto may assign any of its rights
         or obligations under this Warrant created hereunder to any other
         person, without the express written consent of the other party, except
         that in the event a Triggering Event shall have occurred prior to an
         Exercise Termination Event, the Holder, subject to the express
         provisions hereof, may assign in whole or in part its rights and
         obligations hereunder within 90 days following such Triggering Event;
         provided, however, that until the date 15 days following the date on
         which the Office of Thrift Supervision approves an application by the
         Holder pursuant to applicable laws and regulations to acquire the
         shares of MSB Common Stock subject to this Warrant, IBC may not assign
         its rights under this Warrant except in (i) a widely dispersed public
         distribution, (ii) a private placement in which no one party acquires
         the right to purchase in excess of 2% of the voting shares of MSB,
         (iii) an assignment to a single party (e.g., a broker or investment
         banker) for the purpose of conducting a widely dispersed public
         distribution on the Holder's behalf, or (iv) any other manner approved
         by the Office of Thrift Supervision.

         SECTION 2.  CERTAIN COVENANTS AND REPRESENTATIONS OF MSB AND IBC.

                  (a) MSB shall at all times maintain sufficient authorized but
         unissued shares of MSB Common Stock so that this Warrant may be
         exercised without additional authorization of the holders of MSB Common
         Stock, after giving effect to all other outstanding options, warrants,
         convertible securities, and other rights to purchase MSB Common Stock.

                  (b) MSB represents and warrants to the Holder that the shares
         of MSB Common Stock issued upon an exercise of this Warrant will be
         duly authorized, fully paid, nonassessable, and subject to no
         preemptive rights.

                  (c) MSB agrees (i) that it will not, by charter amendment or
         through reorganization, 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 MSB; (ii) promptly
         to take all action as may from time to time be required, (including,
         without limitation (A) complying with all pre-merger notification,
         reporting, and waiting period requirements 

                                       4
<PAGE>   85

         specified in 15 U.S.C. Section 18a and regulations promulgated
         thereunder, and (B) in the event, under the Bank Holding Company Act of
         1956, as amended (the "Bank Holding Company Act"), or the Change in
         Bank Control Act of 1978, or other statute, the prior approval of the
         Office of Thrift Supervision or other regulatory agency (collectively,
         the "Agencies"), is necessary before the Warrant may be exercised or
         transferred, cooperate fully with the Holder in preparing such
         applications and providing such information to the Agencies as the
         Agencies may require) in order to permit the Holder to exercise or
         transfer this Warrant and MSB duly and effectively to issue shares
         pursuant to the exercise hereof; and (iii) promptly to take all action
         provided herein to protect the rights of the Holder against dilution.

                  (d) IBC represents and warrants to MSB that the Warrant is not
         being, and any shares of MSB Common Stock or other securities acquired
         by IBC upon exercise of the Warrant will not be, acquired with a view
         to the public distribution thereof and will not be transferred or
         otherwise disposed of except in a transaction registered or exempt from
         registration under the Securities Act of 1933, as amended.

         SECTION 3.  FRACTIONAL SHARES. MSB shall not be required to issue
fractional shares of MSB Common Stock upon an exercise of this Warrant but shall
pay for such fraction of a share in cash or by certified or official bank check
at the Exercise Price.

         SECTION 4.   EXCHANGE OR LOSS OF WARRANT.  This Warrant is
exchangeable, without expense, at the option of the Holder, upon presentation
and surrender hereof at the principal office of MSB for other Warrants of
different denominations entitling the Holder thereof to purchase in the
aggregate the same number of shares of MSB Common Stock purchasable hereunder.
The term "Warrant" as used herein includes any warrants for which this Warrant
may be exchanged. Upon receipt by MSB of evidence reasonably satisfactory to it
of the loss, theft, destruction, or mutilation of this Warrant, and (in the case
of loss, theft, or destruction) of reasonably satisfactory indemnification, and
upon surrender and cancellation of this Warrant, if mutilated, MSB will execute
and deliver a new Warrant of like tenor and date. Any such new Warrant executed
and delivered shall constitute an additional contractual obligation on the part
of MSB, whether or not the Warrant so lost, stolen, destroyed, or mutilated
shall at any time be enforceable by anyone.

         SECTION 5.   CERTAIN TRANSACTIONS.

                  (a) In the event that prior to an Exercise Termination Event,
         MSB shall (i) consolidate with or merge into any Person, other than IBC
         or one of its Affiliates, and shall not be the continuing or surviving
         corporation of such consolidation or merger, (ii) permit any Person,
         other than IBC or one of its Affiliates, to merge into MSB, and MSB
         shall be the continuing or surviving corporation, but, in connection
         with such merger, (x) the shareholders of MSB immediately prior to such
         merger own less than a majority of the surviving corporation's
         outstanding voting securities, or (y) the then outstanding voting
         shares of MSB Common Stock shall be changed into or exchanged for stock
         or other securities of any other Person or cash or any other property,
         or (iii) sell or otherwise transfer all or substantially all of its
         assets to any Person, other than IBC or one of its Affiliates, then,

                                       5
<PAGE>   86

         and in any such case, the agreement governing such transaction shall
         make proper provision so that this Warrant shall, upon the consummation
         of any such transaction and upon the terms and conditions set forth
         herein, be converted into, or exchanged for, a warrant, at the option
         of the Holder, of either (A) the Acquiring Corporation (as hereinafter
         defined), (B) any company which controls the Acquiring Corporation, or
         (c) in the case of a merger described in clause (a)(ii) above, MSB, in
         which case such warrant shall be a newly issued warrant (in any such
         case, the "Substitute Warrant").

                  (b) For purposes of this Section 5, the following terms have
         the meanings indicated:

                           (i)   "Acquiring Corporation" shall mean (A) the
                  continuing or surviving corporation of a consolidation or
                  merger with MSB (if other than MSB), (B) the corporation
                  merging into MSB in a merger in which MSB is the continuing or
                  surviving person and in connection with which the then
                  outstanding shares of MSB Common Stock are changed into or
                  exchanged for stock or other securities of any other Person or
                  cash or any other property, or (c) the transferee of all or
                  substantially all of MSB's assets;

                           (ii)  "Substitute Common" shall mean the common stock
                  issued by the issuer of the Substitute Warrant;

                           (iii) "Assigned Value" shall mean the Market/Offer
                  Price as determined pursuant to Subsection 7(b) of the Warrant
                  Purchase Agreement; provided, however, that in the event of a
                  sale of all or substantially all of MSB's assets, the Assigned
                  Value shall be the sum of the price paid in such sale for such
                  assets and the current market value of the remaining assets of
                  MSB as determined by a recognized investment banking firm
                  selected by the Holder, divided by the number of shares of MSB
                  Common Stock outstanding at the time of such sale;

                           (iv)  "Average Price" shall mean the average closing
                  price of a share of Substitute Common 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 Substitute Common on the day preceding such
                  consolidation, merger, or sale; provided that if MSB is the
                  issuer of the Substitute Warrant, the Average Price shall be
                  computed with respect to a share of the common stock issued by
                  the Person merging into MSB or by any company which controls
                  such Person, as the Holder may elect;

                           (v)   A "Person" shall mean any individual, firm,
                  corporation or other entity and include as well any syndicate
                  or group deemed to be a "person" by Section 13(d)(3) of the
                  Securities Exchange Act of 1934, as amended; and

                                       6
<PAGE>   87

                           (vi)  "Affiliate" shall have the meaning ascribed to
                  such term in Rule 12b-2 of the General Rules and Regulations
                  under the Securities Exchange Act of 1934, as amended.

                  (c) The Substitute Warrant shall have the same terms as this
         Warrant, provided that, if the terms of the Substitute Warrant cannot,
         for legal reasons, be the same as this Warrant, such terms shall be as
         similar as possible and in no event less advantageous to the Holder.
         The issuer of the Substitute Warrant shall also enter into an agreement
         with the then Holder of the Substitute Warrant in substantially the
         same form as the Warrant Purchase Agreement, which shall be applicable
         to the Substitute Warrant.

                  (d) The Substitute Warrant shall be exercisable for such
         number of shares of Substitute Common as is equal to the Assigned Value
         multiplied by the number of shares of MSB Common Stock for which this
         Warrant is then exercisable, divided by the Average Price. The exercise
         price of the Substitute Warrant per share of Substitute Common shall be
         equal to the Exercise Price multiplied by a fraction in which the
         numerator is the number of shares of MSB Common Stock for which this
         Warrant is then exercisable and the denominator is the number of shares
         of Substitute Common for which the Substitute Warrant is exercisable.

         SECTION 6.   RIGHTS OF THE HOLDER; REMEDIES.

                  (a) The Holder shall not, by virtue hereof and prior to the
         exercise hereof, be entitled to any rights of a holder of MSB Common
         Stock.

                  (b) Without limiting the foregoing or any remedies available
         to the Holder, MSB specifically acknowledges that neither IBC nor any
         successor Holder of this Warrant would have an adequate remedy at law
         for any breach of this Warrant and MSB hereby agrees that IBC and any
         successor Holder shall be entitled to specific performance of the
         obligations of MSB hereunder and injunctive relief against actual or
         threatened violations of the provisions hereof.

         SECTION 7.   ANTIDILUTION PROVISIONS. The number of shares of MSB
Common Stock purchasable upon the exercise hereof shall be subject to adjustment
from time to time as provided in this Section 7.

                  (a) In the event that MSB issues any additional shares of MSB
         Common Stock at any time after the date hereof (including pursuant to
         stock option plans), the number of shares of MSB Common Stock which can
         be purchased pursuant to this Warrant shall be increased by an amount
         equal to 19.9 percent of the additional shares so issued.

                  (b) (i) In the event that, after the date hereof, MSB pays or
         makes a dividend or other distribution of any class of capital stock of
         MSB in MSB Common Stock, the number of shares of MSB Common Stock
         purchasable upon exercise hereof shall be increased by multiplying such
         number of shares by a fraction of which the denominator shall be the

                                       7
<PAGE>   88

         number of shares of MSB Common Stock outstanding at the close of
         business on the day immediately preceding the date of such distribution
         and the numerator shall be the sum of such number of shares and the
         total number of shares constituting such dividend or other
         distribution, such increase to become effective immediately after the
         opening of business on the day following such distribution.

                           (ii)  In the event that, after the date hereof,
                  outstanding shares of MSB Common Stock are subdivided into a
                  greater number of shares of MSB Common Stock, the number of
                  shares of MSB Common Stock purchasable upon exercise hereof at
                  the opening of business on the day following the day upon
                  which such subdivision becomes effective shall be
                  proportionately increased, and, conversely, in the event that,
                  after the date hereof, outstanding shares of MSB Common Stock
                  are combined into a smaller number of shares of MSB Common
                  Stock, the number of shares of MSB Common Stock purchasable
                  upon exercise hereof at the opening of business on the day
                  following the day upon which such combination becomes
                  effective shall be proportionately decreased, such increase or
                  decrease, as the case may be, to become effective immediately
                  after the opening of business on the day following the day
                  upon which such subdivision or combination becomes effective.

                           (iii) The reclassification (including any
                  reclassification upon a merger in which MSB is the continuing
                  corporation) of MSB Common Stock into securities including
                  other than MSB Common Stock shall be deemed to involve a
                  subdivision or combination, as the case may be, of the number
                  of shares of MSB Common Stock outstanding immediately prior to
                  such reclassification into the number of shares of MSB Common
                  Stock outstanding immediately thereafter and the effective
                  date of such reclassification shall be deemed to be the day
                  upon which such subdivision or combination becomes effective,
                  as the case may be, within the meaning of clause (ii) above.

                  (c) Whenever the number of shares of MSB Common Stock
         purchasable upon exercise hereof is adjusted pursuant to paragraph (b)
         above, the Exercise Price shall be adjusted by multiplying the Exercise
         Price by a fraction the numerator of which is equal to the number of
         shares of MSB Common Stock purchasable prior to the adjustment and the
         denominator of which is equal to the number of shares of MSB Common
         Stock purchasable after the adjustment.

                  (d) For the purpose of this Section 7, the term "MSB Common
         Stock" shall include any shares of MSB of any class or series which has
         no preference or priority in the payment of dividends or in the
         distribution of assets upon any voluntary or involuntary liquidation,
         dissolution, or winding up of MSB and which is not subject to
         redemption by MSB.

         SECTION 8.  NOTICE.

                                       8
<PAGE>   89

                  (a) Whenever the number of shares of MSB Common Stock for
         which this Warrant is exercisable is adjusted as provided in Section 7
         hereof, MSB shall promptly compute such adjustment and mail to the
         Holder a certificate, signed by a principal financial officer of MSB,
         setting forth the number of shares of MSB Common Stock for which this
         Warrant is exercisable and the adjusted Exercise Price as a result of
         such adjustment, a brief statement of the facts requiring such
         adjustment, the computation thereof, and when such adjustment will
         become effective.

                  (b) Upon the occurrence of a Triggering Event MSB shall (i)
         promptly notify the Holder and/or the "Owner" (as that term is defined
         in the Warrant Purchase Agreement) of such event, (ii) promptly compute
         the "Warrant Repurchase Price" and the "Warrant Stock Repurchase Price"
         (as such terms are defined in the Warrant Purchase Agreement), and
         (iii) furnish to the Holder and/or the Owner a certificate, signed by
         the chief financial officer of MSB setting forth the Warrant Repurchase
         Price and/or the Warrant Stock Repurchase Price and the basis and
         computation thereof.

                  (c) Upon the occurrence of an event which results in this
         Warrant becoming convertible into, or exchangeable for, the Substitute
         Warrant, as provided in Section 5 hereof, MSB and the Acquiring
         Corporation shall promptly notify the Holder of such event; and, upon
         receipt from the Holder of its choice as to the issuer of the
         Substitute Warrant, the Acquiring Corporation shall promptly compute
         the number of shares of Substitute Common for which the Substitute
         Warrant is exercisable and furnish to the Holder a certificate, signed
         by a principal financial officer of the Acquiring Corporation, setting
         forth the number of shares of Substitute Common for which the
         Substitute Warrant is exercisable, the Substitute Warrant exercise
         price, a computation thereof, and when such adjustment will become
         effective.

         SECTION 9. TERMINATION. This Warrant and the rights conferred hereby
shall terminate upon the earliest of (i) six months after the occurrence of a
Triggering Event; (ii) the Effective Time of the Merger, (iii) the date of
termination of the Merger Documents unless (a) the event giving rise to the
right to terminate is preceded by a Triggering Event, or (b) the receipt by MSB,
or the announcement by another person, of a proposal involving an Acquisition
Transaction

                                        9

<PAGE>   90


or Tender Offer, unless the Agreement is earlier terminated by MSB, pursuant to
its right to terminate the Agreement, under the conditions of Section 6.1 of the
Agreement; or (iv) December 31, 2000.

         IN WITNESS WHEREOF, the undersigned has executed this Warrant as of
this                  , 1999.


ATTEST:                                 MUTUAL SAVINGS BANK, F.S.B.


By:                                     By:
                                           -------------------------------------
                                           Robert N. Schuster
Title:                                     Its: Chief Executive Officer



                                       10
<PAGE>   91

                              AFFILIATE AGREEMENT



Independent Bank Corporation
230 West Main Street
Ionia, Michigan 48846

Attention: Mr. William R. Kohls, Chief Financial Officer

Ladies and Gentlemen:

         The undersigned is a shareholder of Mutual Savings Bank, f.s.b., a
federal savings bank ("MSB"), and may become a shareholder of Independent Bank
Corporation, a Michigan corporation ("IBC") pursuant to the transactions
described in a certain Agreement and Plan of Reorganization, dated as
_____________, 1999 (the "Agreement"), by and between IBC and MSB. Under the
terms of the Agreement, MSB will be consolidated with and into a wholly owned
Michigan bank subsidiary of IBC (the "Consolidation"), and the shares of the
$0.01 par value common stock of MSB ("MSB Common Stock") will be converted into
the right to receive shares of the $1.00 par value common stock of IBC ("IBC
Common Stock"). This Affiliate Agreement represents an agreement between the
undersigned and IBC regarding certain rights and obligations of the undersigned
in connection with any and all shares of IBC Common Stock to be received by the
undersigned as a result of the Consolidation.

         In consideration of the Consolidation and the mutual covenants
contained herein, the undersigned and IBC hereby agree as follows:

         1. Affiliate Status. The undersigned understands and agrees that as to
MSB the undersigned may be deemed to be an "affiliate" under Rule 145(c) of the
Rules and Regulations of the Securities and Exchange Commission ("SEC") under
the Securities Act of 1933, as amended ("1933 Act"), and the undersigned
anticipates that the undersigned may be deemed to be such an "affiliate" at the
time of the Consolidation.

         2. Covenants and Warranties of Undersigned. The undersigned represents,
warrants, and agrees that IBC has informed the undersigned that the issuance of
shares of IBC Common Stock to the undersigned in connection with the
Consolidation will be registered with the SEC under the 1933 Act on a
Registration Statement on Form S-4 and that such registration will not cover any
resale or other disposition of IBC Common Stock and that shares of IBC Common
Stock received pursuant to the Consolidation can only be sold by the undersigned
(a) following such time as financial results covering at least 30 days of
post-consolidation combined operations have been published, and (b)(1) following
registration under the 1933 Act, or (2) in conformity with the requirements of
Rule 145(d) promulgated by the SEC as the same now exist or may hereafter be

                                    EXHIBIT C

<PAGE>   92



amended, or (3) to the extent some other exemption from registration under the
1933 Act might be available.

         3. Understanding of Restrictions on Dispositions. The undersigned has
carefully read the Agreement and this Affiliate Agreement and discussed their
requirements and impact upon his ability to sell, transfer, or otherwise dispose
of the shares of IBC Common Stock received by the undersigned as a result of the
Consolidation, to the extent he believes necessary, with the undersigned's
counsel or counsel for MSB.

         4. Filing of Reports by IBC. IBC agrees, for a period of two years
after the effective date of the Consolidation, to file on a timely basis all
reports required to be filed by it pursuant to Section 13 of the Securities
Exchange Act of 1934, as amended, so that the public information provisions of
Rule 145(d) promulgated by the SEC as the same are presently in effect will be
available to the undersigned in the event the undersigned desires to transfer
any shares of IBC Common Stock issued to the undersigned pursuant to the
Consolidation.

         5. Transfer Restrictions. The undersigned agrees that IBC may refuse to
permit the undersigned to sell, transfer, or dispose of the IBC Common Stock
unless: (a) there is an effective registration statement filed pursuant to the
1933 Act covering such sale, transfer, or other disposition; (b) in the opinion
of counsel for IBC, or in the opinion of counsel satisfactory to counsel for
IBC, such registration is not required; (c) the undersigned furnishes to IBC a
copy of a "no action" or interpretive letter or other definitive ruling from the
staff of the SEC to the effect that the proposed sale, transfer, or other
disposition may be effected without registration; or (d) the undersigned effects
the sale, transfer or disposition within the limits, and in accordance with the
applicable provisions of Rule 145 under the 1933 Act.

         6. Rule 145. If the undersigned proposes to sell any of the securities
pursuant to Rule 145, and if such sale would be permitted under the terms of
this letter, then IBC will, upon the undersigned's written request, supply me
with the following: (a) a statement as to whether IBC has complied with the
provisions of Rule 144(c) regarding the filing of reports with the SEC as a
condition to sales made pursuant to that rule; and (b) a confirmation as to the
number of shares of IBC outstanding as shown by the most recent report or
statement published by IBC.

         7. No Obligation to Register. Except as set forth in this letter, IBC
is under no obligation to register the sale, transfer, or other disposition of
the securities by the undersigned, or on the undersigned's behalf, or to take
any other action necessary in order to effect compliance with an exemption from
registration available.

         8. Legend. IBC may decline to register any transfer of securities,
except consistent with this letter. IBC may place on the certificates for my
shares and any substitute certificates a legend stating in substance:

            The shares represented by this certificate are subject to the
            provisions of Rule 145 under the Securities Act of 1933 and may not
            be sold,


<PAGE>   93



             transferred or otherwise disposed of without compliance with said
             rule.

         9.  Removal of Legend. The undersigned understands that the legend, if
any, with respect to the shares of IBC Common Stock received by the undersigned
shall be removed by IBC by delivery of substitute certificates without the
legend, and the related transfer restrictions shall be lifted if: (a) the shares
of IBC Common Stock shall have been registered under the 1933 Act for resale;
(b) there shall have been delivered to IBC a copy of the letter from the staff
of the SEC, or an opinion of counsel satisfactory to IBC, to the effect that an
exemption from registration under the Act is available with respect thereto; or
(c) two years have elapsed since the Effective Date of the Consolidation, as
defined in the Agreement, and the conditions of Rule 145(d)(3) are satisfied.

         10. Miscellaneous. This Affiliate Agreement is the complete agreement
between IBC and the undersigned concerning the subject matter hereof. Any notice
required to be sent to any party hereunder shall be sent by registered or
certified mail, return receipt requested, using the address set forth herein or
such other address as shall be furnished in writing by the parties. This
Affiliate Agreement shall be governed by the laws of the State of Michigan.

         This Affiliate Agreement is executed by the undersigned as of the 
_____ day of _________, 1999.

                                     Very truly yours,
                                        

                                     -----------------------------------
                                     Signature

                                     -----------------------------------
                                     Print Name
                                     
                                     -----------------------------------

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

                                     -----------------------------------
                                     Address


                       [Signatures Continued on Next Page]


<PAGE>   94


         The foregoing Affiliate Agreement is agreed to and accepted by the
undersigned as of ___________________, 1999.


                                  INDEPENDENT BANK CORPORATION


                                  By          
                                    -----------------------------------------   
                                    William R. Kohls, Chief Financial Officer









<PAGE>   95
                         MANAGEMENT CONTINUITY AGREEMENT


         THIS IS AN AGREEMENT between INDEPENDENT BANK CORPORATION (the
"Corporation"), whose principal offices are 230 West Main Street, Ionia,
Michigan 48846, and ______________________________________ (the "Executive"),
dated ______________, 1998.

                                    RECITALS

         The Executive is a key officer of the Corporation or a Subsidiary whose
continued dedication, availability, advice and counsel to the Corporation and
its Subsidiaries is deemed important to the Board of Directors of the
Corporation ("Board"), the Corporation and its shareholders. The services of the
Executive, his experience and knowledge of the affairs of the Corporation and
his reputation and contacts in the industry are extremely valuable to the
Corporation. The Corporation wishes to attract and retain such well-qualified
executives, and it is in the best interests of the Corporation to secure the
continued services of the Executive notwithstanding any change in control of the
Corporation.

         The Corporation considers the establishment and maintenance of a sound
and vital management team to be part of its overall corporate strategy and to be
essential to protecting and enhancing the best interests of this Corporation and
its shareholders. Accordingly, the Board has approved this Agreement with the
Executive and authorized its execution and delivery on behalf of the
Corporation.

                                    AGREEMENT

         1.   Term of Agreement. This Agreement will begin on the date entered
above (the "Commencement Date") and will continue in effect through the third
anniversary of the Commencement Date (the "Initial Term"). Thereafter, this
Agreement shall be extended automatically for additional three (3) year periods
("Renewal Terms") at the end of the Initial Term and each Renewal Term, unless
not later than twelve (12) months prior to the end of the Initial Term or a
Renewal Term, the Corporation gives written notice to Executive that it has
elected not to renew this Agreement. Notwithstanding the foregoing, if a Change
of Control occurs during the term of this Agreement, this Agreement will
continue in effect for thirty-six (36) months beyond the end of the month in
which any Change of Control occurs.

         2.   Definitions. The following defined terms shall have the meanings 
set forth below, for purposes of this Agreement:

              (a) Average Base Salary. Average Base Salary shall mean the
         Executive's average annual salary during the three (3) calendar year
         period beginning two (2) years immediately prior to the year of Change
         of Control and the year in which the Change of Control occurred;
         provided that if Executive has been employed for less than three (3)
         years,

                                    EXHIBIT D


<PAGE>   96



         Average Base Salary shall be determined during that lesser period or if
         less than one year, the Executive's prevailing salary shall be
         annualized.

              (b)  Average Bonus. Average Bonus shall mean the average of the
         last three (3) bonuses paid to Executive under the Corporation's
         Management Incentive Compensation Plan immediately preceding the Change
         of Control, and if the Executive is eligible to participate in the
         Corporation's Incentive Share Grant Plan, the Executive shall be deemed
         to have participated in that plan for each of those three years,
         whereby those bonuses shall be based on the aggregate fair market value
         of the shares of the Corporation's stock acquired or that would have
         been acquired irrespective of the restrictions on transfer or
         forfeiture provisions.

              (c)  Change of Control. A "Change in Control" shall mean a change
         in control of the Corporation of such a nature that would be required
         to be reported in response to Item 6(e) of Schedule 14A of Regulation
         14A promulgated under the Securities Exchange Act of 1934 ("Exchange
         Act"), or such item thereof which may hereafter pertain to the same
         subject; provided that, and notwithstanding the foregoing, a Change in
         Control shall be deemed to have occurred if:

                   (i)    Any "person" (as such term is used in Sections 13(d) 
              and 14(d) of the Exchange Act) is or becomes the "beneficial 
              owner" (as defined in Rule 13d-3 under the Exchange Act), directly
              or indirectly, of securities of the Corporation representing 
              twenty percent (20%) or more of the combined voting power of the
              Corporation's then outstanding securities; or

                   (ii)   At any time a majority of the Board of Directors of 
              the Corporation is comprised of other than Continuing Directors 
              (for purposes of this paragraph, the term Continuing Director 
              means a director who was either (A) first elected or appointed as 
              a Director prior to the date of this Agreement; or (B)
              subsequently elected or appointed as a director if such director 
              was nominated or appointed by at least a majority of the then 
              Continuing Directors); or

                   (iii)  Any of the following occur:

                          (A) Any merger or consolidation of the Corporation,
                   other than a merger or consolidation in which the voting
                   securities of the Corporation immediately prior to the merger
                   or consolidation continue to represent (either by remaining
                   outstanding or being converted into securities of the
                   surviving entity) fifty-one percent (51%) or more of the
                   combined voting power of the Corporation or surviving entity
                   immediately after the merger or consolidation with another
                   entity;


                                       -2-

<PAGE>   97



                          (B) Any sale, exchange, lease, mortgage, pledge,
                   transfer, or other disposition (in a single transaction or a
                   series of related transactions) of all or substantially all
                   of the assets of the Corporation which shall include, without
                   limitation, the sale of assets or earning power aggregating
                   more than fifty percent (50%) of the assets or earning power
                   of the Corporation on a consolidated basis;

                          (C) Any liquidation or dissolution of the Corporation;

                          (D) Any reorganization, reverse stock split, or
                   recapitalization of the Corporation which would result in a
                   Change of Control; or

                          (E) Any transaction or series of related transactions
                   having, directly or indirectly, the same effect as any of the
                   foregoing; or any agreement, contract, or other arrangement
                   providing for any of the foregoing.

              (d)  Disability. "Disability" means that, as a result of
         Executive's incapacity due to physical or mental illness, the Executive
         shall have been found to be eligible for the receipt of benefits under
         the Corporation's long term disability plan.

              (e)  Cause. "Cause" means (i) the willful commission by the
         Executive of a criminal or other act that causes or will probably cause
         substantial economic damage to the Corporation or a Subsidiary or
         substantial injury to the business reputation of the Corporation or a
         Subsidiary; (ii) the commission by the Executive of an act of fraud in
         the performance of such Executive's duties on behalf of the Corporation
         or a Subsidiary; (iii) the continuing willful failure of the Executive
         to perform the duties of such Executive to the Corporation or a
         Subsidiary (other than any such failure resulting from the Executive's
         Disability or occurring after issuance by Executive of a Notice of
         Termination for Good Reason) after written notice thereof (specifying
         the particulars thereof in reasonable detail) and a reasonable
         opportunity to be heard and cure such failure are given to the
         Executive by the Board; or (iv) the order of a federal or state bank
         regulatory agency or a court of competent jurisdiction requiring the
         termination of the Executive's employment. For purposes of this
         subparagraph, no act, or failure to act, on the Executive's part shall
         be deemed "willful" unless done, or omitted to be done, by the
         Executive not in good faith and without reasonable belief that the
         action or omission was in the best interest of the Corporation or a
         Subsidiary.

              (f)  Good Reason. For purposes of this Agreement, "Good Reason"
         means the occurrence of any one or more of the following without the
         Executive's express written consent:

                   (i) The assignment to Executive of duties which are
              materially different from or inconsistent with the duties,
              responsibilities and status of Executive's position at any time 
              during the six (6) month period prior to the Change of Control of 

                                       -3-

<PAGE>   98



              the Corporation, or which result in a significant reduction in
              Executive's authority and responsibility as an executive of the
              Corporation or a Subsidiary;

                   (ii)   A reduction by the Corporation in Executive's base
              salary or salary grade as of the day prior to the Change of
              Control, or the failure to grant salary increases and bonus
              payments on a basis comparable to those granted to other
              executives of the Corporation, or reduction of Executive's most
              recent incentive bonus potential prior to the Change of Control
              under the Corporation's Management Incentive Compensation Plan, or
              any successor plan;

                   (iii)  Either (a) the Corporation requiring Executive to be
              based at a location in excess of ten (10) miles from the location
              where Executive is currently based, or (b) in the event of any
              relocation of the Executive with the Executive's express written
              consent, the failure of the Corporation or a Subsidiary to pay (or
              reimburse the Executive for) all reasonable moving expenses by the
              Executive relating to a change of principal residence in
              connection with such relocation and to pay the Executive the
              amount of any loss realized in the sale of the Executive's
              principal residence in connection with any such change of
              residence. Any gain realized upon the sale shall not offset the
              obligation to pay moving expenses, and the amounts payable under
              (b) shall be tax effected, all to the effect that the Executive
              shall incur no loss on an after tax basis;

                   (iv)  The failure of the Corporation to obtain a satisfactory
              agreement from any successor to the Corporation to assume and
              agree to perform this Agreement, as contemplated in Paragraph 6
              hereof;

                   (v)   Any termination by the Corporation of Executive's
              employment that is other than for Cause;

                   (vi)  Any termination of Executive's employment, reduction in
              Executive's compensation or benefits, or adverse change in
              Executive's location or duties, if such termination, reduction or
              adverse change (aa) occurs within six (6) months before a Change
              of Control, (bb) is in contemplation of such Change in Control,
              and (cc) is taken to avoid the effect of this Agreement should
              such action occur after such Change in Control; or

                   (vii) The failure of the Corporation to provide the Executive
              with substantially the same fringe benefits (including, without
              limitation, retirement plan, health care, insurance, stock options
              and paid vacations) that were provided to him immediately prior to
              the Change in Control, or with a package of fringe benefits that,
              though one or more of such benefits may vary from those in effect
              immediately prior to such Change in Control, is substantially 
              comparable in all material respects to such fringe benefits taken 
              as a whole.

                                      -4-


<PAGE>   99

              The existence of Good Reason shall not be affected by Executive's
         Disability. Executive's continued employment shall not constitute a
         waiver of Executive's rights with respect to any circumstance
         constituting Good Reason under this Agreement.

              (g)  Notice of Termination. "Notice of Termination" means a 
         written notice indicating the specific termination provision in this 
         Agreement relied upon and setting forth in reasonable detail the facts 
         and circumstances claimed to provide a basis for termination of the
         employment under the provision so indicated. The Executive shall not be
         entitled to give a Notice of Termination that the Executive is
         terminating employment for Good Reason more than six (6) months
         following the occurrence of the event alleged to constitute Good
         Reason, except with respect to an event which occurred before the
         Change of Control, in which case the Notice of Termination must be
         given within six (6) months following the Change of Control. Any
         termination by the Corporation for Cause or due to Executive's
         Disability, or by Executive for Good Reason shall be communicated by
         Notice of Termination to the other party.

              (h)  Subsidiary. "Subsidiary" means a corporation with at least
         eighty percent (80%) of its outstanding capital stock owned directly or
         indirectly by the Corporation.

         3.   Eligibility for Severance Benefits. Subject to Paragraph 5, the
Executive shall receive the Severance Benefits described in Paragraph 4 if the
Executive's employment is terminated during the term of this Agreement, and

              (a)  The termination occurs within thirty-six (36) months after a
         Change of Control, unless the termination is (i) because of Executive's
         death or Disability, (ii) by the Corporation for Cause, or (iii) by the
         Executive other than for Good Reason; or

              (b)  The Corporation terminates the employment of Executive within
         six (6) months before a Change of Control, in contemplation of such
         Change of Control, and to avoid the effect of this Agreement should
         such action occur after such Change of Control.

         4.   Severance Benefits. Subject to Paragraph 5, the Executive shall
receive the following Severance Benefits (in addition to accrued compensation
and vested benefits) if eligible under Paragraph 3:

              (a)  A lump sum cash amount (which shall be paid not later than
         thirty (30) days after the date of termination of employment) equal to
         Executive's Average Base Salary, multiplied by__________ ;

              (b)  A lump sum cash amount (which shall be paid not later than
         thirty (30) days after the date of termination of employment) equal to
         the Executive's Average Bonus, multiplied by ___________;


   
                                       -5-

<PAGE>   100

              (c)  For a ________ year period after the date the employment is 
         terminated, the Corporation will arrange to provide to Executive at the
         Corporation's expense, with:

                   (i)    Health care coverage equal to that in effect for
              Executive prior to the termination (or, if more favorable to
              Executive, that furnished generally to salaried employees of the
              Corporation), including, but not limited to, hospital, surgical,
              medical, dental, prescription and dependent coverages. Upon the
              expiration of the health care benefits required to be provided
              pursuant to this subparagraph 4(c), the Executive shall be
              entitled to the continuation of such benefits under the provisions
              of the Consolidated Omnibus Budget Reconciliation Act. Health care
              benefits other wise receivable by Executive pursuant to this
              subparagraph 4(c) shall be reduced to the extent comparable
              benefits are actually received by Executive from a subsequent
              employer during the ___________ year period following the date the
              employment is terminated and any such benefits actually received 
              by Executive shall be reported to the Corporation;

                   (ii)   Life and accidental death and dismemberment insurance
              coverage (including supplemental coverage purchase opportunity and
              double indemnity for accidental death) equal (including policy
              terms) to that in effect at the time Notice of Termination is
              given (or on the date the employment is terminated if no Notice of
              Termination is required) or, if more favorable to Executive, equal
              to that in effect at the date the Change of Control occurs; and

                   (iii)  Disability insurance coverage (including policy terms)
              equal to that in effect at the time Notice of Termination is given
              (or on the date employment is terminated if no Notice of
              Termination is required) or, if more favorable to Executive, equal
              to that in effect immediately prior to the Change of Control;
              provided, however, that no income replacement benefits will be
              payable under such disability policy with regard to the __________
              year period following a termination of employment provided that 
              the payments payable under subparagraphs 4(a) and (b) above have 
              been made.

              (d)  The Corporation shall pay all fees for outplacement services
         for the Executive up to a maximum equal to fifteen percent (15%) of the
         Executive's base salary used to calculate his benefit under
         subparagraph 4(a) plus provide a travel expense account of up to
         $10,000 to reimburse job search travel;

              (e)  In computing and determining Severance Benefits under
         subparagraphs 4(a) through (d) above, a decrease in Executive's salary,
         incentive bonus, or insurance benefits shall be disregarded if such
         decrease occurs within six (6) months before a Change of Control, is in
         contemplation of such Change of Control, and is taken to avoid the
         effect of this Agreement should such action be taken after such Change
         of Control; in such event, the salary, incentive bonus, and/or
         insurance benefits used to determine Average Annual Salary, 


                                      -6-


<PAGE>   101

         Average Bonus, and therefore Severance Benefits shall be that in effect
         immediately before the decrease that is disregarded pursuant to this
         subparagraph 4(e);

              (f)  Executive shall not be required to mitigate the amount of any
         payment provided for in this Paragraph 4 by seeking other employment or
         otherwise, nor shall the amount of any payment provided for in this
         Paragraph 4 be reduced by any compensation earned by Executive as the
         result of employment by another employer after the date the employment
         is terminated, or otherwise, with the exception of a reduction in
         health insurance coverage as provided in subparagraph 4(c)(i).

         5.   Maximum Payments. Notwithstanding any provision in this Agreement 
to the contrary, if part or all of any amount to be paid to Executive by the
Corporation under this Agreement or otherwise constitute a "parachute payment"
(or payments) under Section 280G or any other similar provision of the Internal
Revenue Code of 1986, as amended (the "Code"), the following limitation shall
apply:

              If the aggregate present value of such parachute payments (the
         "Parachute Amount") exceeds (i) three (3) times Executive's "base
         amount" as defined in Section 280G of the Code, and (ii) less One
         Dollar ($1.00), then the amounts otherwise payable to or for the
         benefit of the Executive subsequent to the termination of his
         employment, and taken into account in calculating the Parachute Amount
         (the "Termination Payments"), shall be reduced and/or delayed, as
         further described below, to the extent necessary so that the Parachute
         Amount is equal to three (3) times the Executive's "base amount," less
         One Dollar ($1.00).

         Any determination or calculation described in this Paragraph 5 shall be
made by the Corporation's independent accountants or the Corporation's tax
counsel, as selected by Executive. Such determination, and any proposed
reduction and/or delay in termination payments shall be furnished in writing
promptly by the accountants to the Executive. The Executive may then elect, in
his sole discretion, which and how much of any particular termination payment
shall be reduced and/or delayed and shall advise the Corporation in writing of
his election, within thirty (30) days of the accountant's determination, of the
reduction or delay in termination payments. If no such election is made by the
Executive within such 30-day period, the Corporation may elect which and how
much of any termination payment shall be reduced and/or delayed and shall notify
the Executive promptly of such election. As promptly as practicable following
such determination and the elections hereunder, the Corporation shall pay to or
distribute to or for the benefit of the Executive such amounts as are then due
to the Executive.

         Any disagreement regarding a reduction or delay in termination payments
will be subject to arbitration under Paragraph 15 of this Agreement. Neither the
Executive's designation of specific payments to be reduced or delayed, nor the
Executive's acceptance of reduced or delayed payments, shall waive the
Executive's right to contest such reduction or delay.



                                       -7-

<PAGE>   102



         6.   Successors; Binding Agreements. This Agreement shall inure to the
benefit of and be enforceable by Executive's personal and legal representatives,
executors, administrators, successors, heirs, distributees, devisees and
legatees. Executive's rights and benefits under this Agreement may not be
assigned, except that if Executive dies while any amount would still be payable
to Executive hereunder if Executive had continued to live, all such amounts,
unless otherwise provided herein, shall be paid in accordance with the terms of
this Agreement, to the beneficiaries designated by the Executive to receive
benefits under this Agreement in a writing on file with the Corporation at the
time of the Executive's death or, if there is no such beneficiary, to
Executive's estate. The Corporation will require any successor (whether direct
or indirect, by purchase, merger, consolidation, or otherwise) to all or
substantially all of the business and/or assets of the Corporation (or of any
division or Subsidiary thereof employing Executive) to expressly assume and
agree to perform this Agreement in the same manner and to the same extent that
the Corporation would be required to perform it if no such succession had taken
place. Failure of the Corporation to obtain such assumption and agreement prior
to the effectiveness of any such succession shall be a breach of this Agreement
and shall entitle Executive to compensation from the Corporation in the same
amount and on the same terms to which Executive would be entitled hereunder if
Executive terminated the employment for Good Reason following a Change of
Control.

         7.   Withholding of Taxes. The Corporation may withhold from any 
amounts payable under this Agreement all federal, state, city, or other taxes as
required by law.

         8.   Notice. For the purpose of this Agreement, notices and all other
communications provided for in this Agreement shall be in writing and shall be
deemed to have been duly given when personally delivered or mailed by United
States registered mail, return receipt requested, postage prepaid, addressed to
the respective addressees set forth on the first page of this Agreement, or at
such other addresses as the parties may designate in writing.

         9.   Miscellaneous. No provision of this Agreement may be modified,
waived, or discharged unless such waiver, modification, or discharge is agreed
to in writing and signed by Executive and such officer as may be specifically
designated by the Board of Directors of the Corporation. The validity,
interpretation, construction, and performance of this Agreement shall be
governed by the laws of the State of Michigan.

         10.  Employment Rights. Except as specifically provided in this
Agreement, this Agreement shall not confer upon Executive any right to continue
in the employ of the Corporation or its Subsidiaries and shall not in any way
affect the right of the Corporation or its Subsidiaries to dismiss or otherwise
terminate Executive's employment at any time with or without cause.

         11.  No Vested Interest. Neither Executive nor Executive's beneficiary
shall have any right, title, or interest in any benefit under this Agreement
prior to the occurrence of the right to the payment thereof, or in any property
of the Corporation or its subsidiaries or affiliates.



                                       -8-

<PAGE>   103



         12.  Prior Agreements. This Agreement contains the understanding 
between the parties hereto with respect to Severance Benefits in connection with
a Change of Control of the Corporation and supersedes any such prior agreement
between the Corporation (or any predecessor of the Corporation) and Executive.
If there is any discrepancy or conflict between this Agreement and any plan,
policy, or program of the Corporation regarding any term or condition of
Severance Benefits in connection with a Change of Control of the Corporation,
the language of this Agreement shall govern.

         13.  Validity. The invalidity or unenforceability of any provision of
this Agreement shall not affect the validity or enforceability of any other
provision of this Agreement, which shall remain in full force and effect.

         14.  Counterparts. This Agreement may be executed in several
counterparts, each of which shall be deemed to be an original but all of which
together shall constitute one and the same instrument.

         15.  Arbitration. The sole and exclusive method for resolving any
dispute arising out of this Agreement shall be arbitration in accordance with
this paragraph. Except as provided otherwise in this paragraph, arbitration
pursuant to this paragraph shall be governed by the Commercial Arbitration Rules
of the American Arbitration Association. A party wishing to obtain arbitration
of an issue shall deliver written notice to the other party, including a
description of the issue to be arbitrated. Within fifteen (15) days after either
party demands arbitration, the Corporation and the Executive shall each appoint
an arbitrator. Within fifteen (15) additional days, these two arbitrators shall
appoint the third arbitrator by mutual agreement; if they fail to agree within
said fifteen (15) day period, then the third arbitrator shall be selected
promptly pursuant to the rules of the American Arbitration Association for
Commercial Arbitration. The arbitration panel shall hold a hearing in Kent
County, Michigan, within ninety (90) days after the appointment of the third
arbitrator. The fees and expenses of the arbitrator, and any American
Arbitration Association fees, shall be paid by the Corporation. Both the
Corporation and the Executive may be represented by counsel and may present
testimony and other evidence at the hearing. Within ninety (90) days after
commencement of the hearing, the arbitration panel will issue a written
decision; the majority vote of two of the three arbitrators shall control. The
majority decision of the arbitrators shall be final and binding on the parties,
and shall be enforceable in accordance with law. Judgment may be entered on the
arbitrators' award in any court having jurisdiction. The Executive shall be
entitled to seek specific performances of his rights under this Agreement during
the pendency of any dispute or controversy arising under or in connection with
this Agreement. The Corporation will reimburse Executive for all reasonable
attorney fees incurred by Executive as the result of any arbitration with regard
to any issue under this Agreement (or any judicial proceeding to compel or to
enforce such arbitration); (i) which is initiated by Executive if the 
Corporation is found in such proceeding to have violated this Agreement 
substantially as alleged by Executive; or (ii) which is initiated by the 
Corporation, unless Executive is found in such proceeding to have violated this 
Agreement substantially as alleged by the Corporation.


                                       -9-

<PAGE>   104



         IN WITNESS WHEREOF, the parties have signed this Agreement as of the
day and year written above.

                                       CORPORATION: INDEPENDENT BANK CORPORATION


                                       BY                                       
                                         ---------------------------------------
                                         ITS                                  
                                            ------------------------------------

                                       EXECUTIVE:



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








                                      -10-



<PAGE>   1
                                                                      EXHIBIT 10

                           WARRANT PURCHASE AGREEMENT


         THIS WARRANT PURCHASE AGREEMENT (this "Warrant Purchase Agreement") is
made as of March 24, 1999, between INDEPENDENT BANK CORPORATION, a Michigan
corporation ("IBC"), and MUTUAL SAVINGS BANK, f.s.b., a federally chartered
stock savings bank ("MSB").

                                    RECITALS:

         A. Concurrently herewith, IBC and MSB have entered into a certain
Agreement and Plan of Reorganization, dated as of the date hereof (the
"Agreement"), which provides for the consolidation of MSB into a wholly owned
subsidiary of IBC (the "Consolidation") pursuant to a Consolidation Agreement
containing certain additional terms and conditions relating to the Consolidation
(the "Consolidation Agreement"). (The Agreement and the Consolidation Agreement
are sometimes hereinafter collectively referred to as the "Merger Documents.")
All capitalized terms used herein and not otherwise defined herein shall have
the meanings ascribed to them in the Merger Documents.

         B. As a condition to IBC's entering into the Agreement, and in
consideration therefor, MSB has agreed to issue to IBC a warrant or warrants
entitling IBC to purchase up to a total of 853,792 shares of MSB Common Stock,
on the terms and conditions set forth herein.

                                   AGREEMENT:

         NOW, THEREFORE, in consideration of the foregoing and the mutual
covenants and agreements set forth herein, the parties hereto agree as follows:

         SECTION 1.  ISSUANCE, DELIVERY, AND EXERCISE OF THE WARRANT.
Concurrently with the execution of the Agreement and this Warrant Purchase
Agreement, MSB shall execute a warrant in favor of IBC in the form attached as
Attachment A hereto (the "Warrant") to purchase up to a total of 853,792 shares
of MSB Common Stock at a purchase price equal to $9.8125 per share (the
"Exercise Price"), subject to adjustments as provided in the Warrant. (The
holder of the Warrant from time to time is hereinafter referred to as the
"Holder.") The Warrant shall be exercisable in accordance with the terms and
conditions set forth therein.

         SECTION 2. REGISTRATION RIGHTS. If, at any time after the Warrant
becomes exercisable in accordance with its terms, MSB shall receive a written
request therefor from the Holder, MSB shall prepare and file a registration
statement under the Securities Act of 1933, as amended, or under the applicable
federal laws and Office of Thrift Supervision regulations (the "Applicable
Securities Laws") covering such number of shares of MSB Common Stock as the
Holder shall specify in the request and shall use its best efforts to cause such
registration statement to become effective; provided, however, that the Holder
shall only have the right to request one such registration. Without the written
consent of the Holder, neither MSB nor any other holder of securities of MSB may
include any other securities in such registration.


<PAGE>   2



         SECTION 3. "PIGGYBACK" RIGHTS. If, at any time after the Warrant
becomes exercisable in accordance with its terms, MSB shall determine to proceed
with the preparation and filing of a registration statement under the Applicable
Securities Laws in connection with the proposed offer and sale for money of any
of its securities (other than in connection with a dividend reinvestment,
employee stock purchase, stock option, or similar plan or a registration
statement on Form S-4) by it or any of its security holders, MSB shall give
written notice thereof to the Holder. Upon the written request of the Holder
given within ten days after receipt of any such notice from MSB, MSB shall,
except as herein provided, cause all shares of MSB Common Stock which the Holder
shall request be included in such registration statement to be so included;
provided, however, that nothing herein shall prevent MSB from abandoning or
delaying any registration at any time; and provided, further, that if MSB
decides not to proceed with a registration after the registration statement has
been filed with the United States Securities and Exchange Commission or the
Office of Thrift Supervision, as required by applicable law (the "Securities
Regulator") and MSB's decision not to proceed is primarily based upon the
anticipated public offering price of the securities to be sold by MSB, MSB shall
promptly complete the registration for the benefit of the Holder if the Holder
agrees to bear all additional and incremental expenses incurred by MSB as the
result of such registration after MSB has decided not to proceed. If any
registration pursuant to this Section shall be underwritten in whole or in part,
the Holder may require that any shares of MSB Common Stock requested for
inclusion pursuant to this Section be included in the underwriting on the same
terms and conditions as the securities otherwise being sold through the
underwriters. In the event that the shares of MSB Common Stock requested for
inclusion pursuant to this Section would constitute more than 25 percent of the
total number of shares to be included in a proposed underwritten public
offering, and if in the good faith judgment of the managing underwriter of such
public offering the inclusion of all of such shares would interfere with the
successful marketing of the shares being offered by MSB, the number of shares
otherwise to be included in the underwritten public offering hereunder may be
reduced; provided, however, that after any such required reduction, the shares
of MSB Common Stock to be included in such offering for the account of the
Holder shall constitute at least 25 percent of the total number of shares to be
included in such offering.

         SECTION 4.  OBLIGATIONS OF MSB IN CONNECTION WITH A
REGISTRATION. If and whenever MSB is required by the provisions of Sections 2 or
3 hereof to effect the registration of any shares of MSB Common Stock under the
Applicable Securities Laws, MSB shall:

                  (a) prepare and file with the Securities Regulator a
         registration statement with respect to such securities and use its best
         efforts to cause such registration statement to become and remain
         effective for such period as may be reasonably necessary to effect the
         sale of such securities, not to exceed nine months;

                  (b) prepare and file with the Securities Regulator such
         amendments to such registration statement and supplements to the
         prospectus contained therein as may be necessary to keep such
         registration statement effective for such period as may be reasonably
         necessary to effect the sale of such securities, not to exceed nine
         months;


                                        2

<PAGE>   3



                  (c) furnish to the Holder and to the underwriters of the
         securities being registered such reasonable number of copies of the
         registration statement, amendments thereto, preliminary prospectus,
         final prospectus, and such other documents as the Holder or such
         underwriters may reasonably request in order to facilitate the public
         offering of such securities;

                  (d) use its best efforts to register or qualify the securities
         covered by such registration statement under such state securities or
         blue sky laws of such jurisdictions as the Holder or such underwriters
         may reasonably request; provided that MSB shall not be required by
         virtue hereof to submit to the general jurisdiction of any state;

                  (e) notify the Holder, promptly after MSB shall receive notice
         thereof, of the time when such registration statement or any
         post-effective amendment thereof has become effective or a supplement
         to any prospectus forming a part of such registration statement has
         been filed;

                  (f) notify the Holder promptly of any request by the
         Securities Regulator for the amending or supplementing of such
         registration statement or prospectus or for additional information;

                  (g) prepare and file with the Securities Regulator, promptly
         upon the request of the Holder, any amendments or supplements to such
         registration statement or prospectus which, in the opinion of counsel
         for the Holder (and concurred in by counsel for MSB), is required under
         the Applicable Securities Laws or the rules and regulations promulgated
         thereunder in connection with the distribution of the shares of MSB
         Common Stock by the Holder;

                  (h) prepare and promptly file with the Securities Regulator
         such amendment or supplement to such registration statement or
         prospectus as may be necessary to correct any statements or omissions
         if, at the time when a prospectus is required to be delivered under the
         Applicable Securities Laws, any event shall have occurred as the result
         of which such prospectus as then in effect would include an untrue
         statement of a material fact or omit to state any material fact
         necessary to make the statements therein, in the light of the
         circumstances in which they were made, not misleading;

                  (i) advise the Holder, promptly after it shall receive notice
         or obtain knowledge thereof, of the issuance of any stop order by the
         Securities Regulator suspending the effectiveness of such registration
         statement or the initiation or threatening of any proceeding for that
         purpose and promptly use its best efforts to prevent the issuance of
         any stop order or to obtain its withdrawal if such stop order should be
         issued; and

                  (j) at the request of the Holder, furnish on the date or dates
         provided for in the underwriting agreement: (i) an opinion or opinions
         of the counsel representing MSB for the purposes of such registration,
         addressed to the underwriters and to the Holder, covering such matters 
         as such underwriters and the Holder may reasonably request and as are 
         customarily

                                       3
<PAGE>   4


         covered by issuer's counsel at that time; and (ii) a letter or letters
         from the independent certified public accountants of MSB, addressed to
         the underwriters and to the Holder, covering such matters as such
         underwriters or the Holder may reasonably request, in which letters
         such accountants shall state (without limiting the generality of the
         foregoing) that they are independent certified public accountants
         within the meaning of the Applicable Securities Laws and that, in the
         opinion of such accountants, the financial statements and other
         financial data of MSB included in the registration statement or any
         amendment or supplement thereto comply in all material respects with
         the applicable accounting requirements of the Applicable Securities
         Laws.

         SECTION 5. EXPENSES OF REGISTRATION. With respect to a registration
requested pursuant to Section 2 hereof and with respect to each inclusion of
shares of MSB Common Stock in a registration statement pursuant to Section 3
hereof, MSB shall bear the following fees, costs, and expenses: all
registration, stock exchange listing, and NASD fees, printing expenses, fees and
disbursements of counsel and accountants for MSB, fees and disbursements of
counsel for the underwriter or underwriters of such securities (if MSB and/or
the Holder are required to bear such fees and disbursements), and all legal fees
and disbursements and other expenses of complying with state securities or blue
sky laws of any jurisdictions in which the securities to be offered are to be
registered or qualified. Fees and disbursements of counsel and accountants for
the Holder, underwriting discounts and commissions and transfer taxes relating
to the MSB Common Stock being sold for the Holder, and any other expenses
incurred by the Holder not expressly included above shall be borne by the
Holder.

         SECTION 6.  INDEMNIFICATION.

                  (a) MSB shall indemnify and hold harmless the Holder, any
         underwriter (as defined in the Applicable Securities Laws) for the
         Holder, and each person, if any, who controls the Holder or such
         underwriter within the meaning of the Applicable Securities Laws, from
         and against any and all loss, damage, liability, cost, and expense to
         which the Holder or any such underwriter or controlling person may
         become subject under the Applicable Securities Laws or otherwise,
         insofar as such losses, damages, liabilities, costs, or expenses are
         caused by any untrue statement or alleged untrue statement of any
         material fact contained in any registration statement filed pursuant to
         Section 4 hereof, any prospectus or preliminary prospectus contained
         therein, or any amendment or supplement thereto, or arise out of or are
         based upon the omission or alleged omission to state therein a material
         fact required to be stated therein or necessary to make the statements
         therein, in light of the circumstances in which they are made, not
         misleading; provided, however, that MSB will not be liable in any such
         case to the extent that any such loss, damage, liability, cost, or
         expense arises out of or is based upon an untrue statement or alleged
         untrue statement or omission or alleged omission so made in conformity
         with information furnished by the Holder, such underwriter, or such
         controlling persons in writing specifically for use in the preparation
         thereof.
         
                  (b) Promptly after receipt by an indemnified party pursuant to
         the provisions of paragraph (a) of this Section 6 of notice of the
         commencement of any action involving the

                                       4
<PAGE>   5



         subject matter of the foregoing indemnity provisions, such indemnified
         party shall, if a claim thereof is to be made against MSB pursuant to
         the provision of such paragraph (a), promptly notify MSB of the
         commencement thereof; but the omission to so notify MSB will not
         relieve it from any liability which it may have to any indemnified
         party otherwise hereunder. In case such action is brought against any
         indemnified party and such indemnified party notifies MSB of the
         commencement thereof, MSB shall have the right to participate in and,
         to the extent that it may wish to do so, to assume the defense
         thereof, with counsel satisfactory to such indemnified party;
         provided, however, if the defendants in any action include both the
         indemnified party and MSB and there is a conflict of interest which
         would prevent counsel for MSB from also representing the indemnified
         party, the indemnified party or parties shall have the right to select
         one separate counsel to participate in the defense of such action on
         behalf of such indemnified party or parties. After notice from MSB to
         such indemnified party of its election so to assume the defense of any
         such action, the indemnified party shall have the right to participate
         in such action and to retain its own counsel, but MSB shall not be
         required to indemnify and hold harmless the indemnified party pursuant
         to the provisions of such paragraph (a) for any legal fees or other
         expenses subsequently incurred by such indemnified party in connection
         with the defense thereof, other than reasonable costs of
         investigation, unless (i) the indemnified party shall have employed
         separate counsel in accordance with the provisions of the preceding
         sentence of this paragraph (b), (ii) MSB shall not have employed
         counsel satisfactory to the indemnified party to represent the
         indemnified party within a reasonable time after the notice of the
         commencement of the action, or (iii) MSB has authorized the employment
         of counsel for the indemnified party at the expense of MSB.

                  (c) If recovery is not available under the foregoing
         indemnification provisions, for any reason other than as specified
         therein, the parties entitled to indemnification by the terms thereof
         shall be entitled to contribution to liabilities and expenses, except
         to the extent that contribution is not permitted under Section 11(f) of
         the Securities Act of 1933, as amended. In determining the amount of
         contribution to which the respective parties are entitled, there shall
         be considered the parties' relative knowledge and access to information
         concerning the matter with respect to which the claim was asserted, the
         opportunity to correct and prevent any statement or omission, and any
         other equitable considerations appropriate under the circumstances.

         SECTION 7.  REPURCHASE RIGHTS.

                  (a) Immediately prior to the occurrence of a Repurchase Event
         (as defined below), (i) following a request of the Holder, delivered
         prior to an Exercise Termination Event, MSB (or any successor thereto)
         shall repurchase the Warrant from the Holder at a price (the "Warrant
         Repurchase Price") equal to the amount by which (A) the Market/Offer
         Price (as defined below) exceeds (B) the Exercise Price, multiplied by
         the number of shares for which the Warrant may then be exercised, and
         (ii) at the request of the owner of shares of MSB Common Stock 
         purchased pursuant to an exercise of the Warrant ("Warrant Stock") from
         time to time (the "Owner"), delivered within 90 days of such occurrence
         , MSB shall repurchase such number of shares of the Warrant Stock from 
         the Owner as the Owner shall 

                                       5

<PAGE>   6

         designate at a price (the "Warrant Stock Repurchase Price") equal to 
         the Market/Offer Price multiplied by the number of shares of Warrant 
         Stock so designated.

                  (b) For purposes of paragraph (a) of this Section 7, the
         "Market/Offer Price" shall mean the highest of (i) the price per share
         at which a tender offer or exchange offer for shares of MSB Common
         Stock has been made, (ii) the price per share of MSB Common Stock to be
         paid by any third party pursuant to an agreement with MSB, and (iii)
         the highest closing price for shares of MSB Common Stock within the
         4-month period immediately preceding the date the Holder gives notice
         of the required repurchase of the Warrant or the Owner gives notice of
         the required repurchase of Warrant Stock, as appropriate. In the event
         that an exchange offer is made or an agreement is entered into for a
         merger or consolidation involving consideration other than cash, the
         value of the securities or other property issuable or deliverable in
         exchange for MSB Common Stock shall be determined by a nationally
         recognized investment banking firm mutually acceptable to the parties
         hereto.

                  (c) The Holder and the Owner may exercise their respective
         rights to require MSB to repurchase the Warrant or the Warrant Stock
         pursuant to this Section 7 by surrendering for such purpose to MSB, at
         its principal office, the Warrant or certificates for shares of Warrant
         Stock, as the case may be, free and clear of any liens, claims,
         encumbrances, or rights of third parties of any kind, accompanied by a
         written notice or notices stating that the Holder or the Owner, as the
         case may be, requests MSB to repurchase such Warrant or Warrant Stock
         in accordance with the provisions of this Section 7. Subject to the
         last proviso of Subsection 7(d) below, as promptly as practicable, and
         in any event within five business days after the surrender of the
         Warrant or certificates representing shares of Warrant Stock and the
         receipt of such notice or notices relating thereto, MSB shall deliver
         or cause to be delivered to the Holder or Owner the Warrant Repurchase
         Price or the Warrant Stock Repurchase Price therefor, as applicable, or
         the portion thereof which MSB is not then prohibited under applicable
         law and regulation from so delivering.

                  (d) To the extent that MSB is prohibited under applicable law
         or regulation, or as a result of administrative or judicial action,
         from repurchasing the Warrant and/or the Warrant Stock in full at any
         time that it may be required to do so hereunder, MSB shall immediately
         so notify the Holder and/or the Owner and thereafter deliver or cause
         to be delivered, from time to time, to the Holder and/or the Owner, as
         appropriate, the portion of the Warrant Repurchase Price and the
         Warrant Stock Repurchase Price, respectively, which it is no longer
         prohibited from delivering, within five business days after the date on
         which MSB is no longer so prohibited. Upon receipt of such notice from
         MSB and for a period of 15 days thereafter, the Holder and/or Owner may
         revoke its notice of repurchase of the Warrant and/or Warrant Stock by
         written notice to MSB at its principal office stating that the Holder
         and/or the Owner elects to revoke its election to exercise its right to
         require MSB to repurchase the Warrant and/or Warrant Stock, whereupon
         MSB will promptly deliver to the Holder and/or Owner the Warrant and/or
         certificates representing shares of Warrant Stock surrendered to MSB 
         for purposes of such repurchase. Whether or not such election is 
         revoked, MSB hereby agrees to use its best efforts to obtain all 
         required legal and regulatory

                                       6
<PAGE>   7



         approvals necessary to permit MSB to repurchase the Warrant and/or the 
         Warrant Stock to the full extent and as promptly as practicable.

                  (e) For purposes of this Section 7, a Repurchase Event shall
         be deemed to have occurred upon (i) the consummation of any merger,
         consolidation or similar transaction involving MSB or any purchase,
         lease or other acquisition of all or a substantial portion of the
         assets of MSB, other than any such transaction which would not
         constitute an Acquisition Transaction pursuant to the provisions of
         Section 1(c) of the Warrant, or (ii) upon the acquisition by any person
         of beneficial ownership of 50% or more of the then outstanding shares
         of MSB Common Stock.

         SECTION 8.  ASSUMPTION OF OBLIGATIONS UNDER THIS AGREEMENT.
MSB will not enter into any transaction described in paragraph 5(a) of the
Warrant unless the "Acquiring Corporation" (as that term is defined in the
Warrant) assumes in writing all the obligations of MSB hereunder. Neither of the
parties hereto may assign any of its rights or obligations under this Agreement
or the Warrant created hereunder to any other person, without the express
written consent of the other party, except that in the event a Triggering Event
shall have occurred prior to an Exercise Termination Event, the Holder, subject
to the express provisions hereof, may assign in whole or in part its rights and
obligations hereunder within 90 days following such Triggering Event; provided,
however, that until the date 15 days following the date on which the Office of
Thrift Supervision approves an application by the Holder pursuant to applicable
laws and regulations to acquire the shares of MSB Common Stock subject to the
Warrant, IBC may not assign its rights under the Warrant except in (i) a widely
dispersed public distribution, (ii) a private placement in which no one party
acquires the right to purchase in excess of 2% of the voting shares of MSB,
(iii) an assignment to a single party (e.g., a broker or investment banker) for
the purpose of conducting a widely dispersed public distribution on the Holder's
behalf, or (iv) any other manner approved by the Office of Thrift Supervision.

         SECTION 9. REMEDIES. Without limiting the foregoing or any remedies
available to the Holder, MSB specifically acknowledges that neither IBC nor any
successor holder of the Warrant would have an adequate remedy at law for any
breach of this Warrant Purchase Agreement and MSB hereby agrees that IBC and any
successor holder of the Warrant shall be entitled to specific performance of the
obligations of MSB hereunder and injunctive relief against actual or threatened
violations of the provisions hereof.



                                        7

<PAGE>   8



         SECTION 10.  TERMINATION. This Warrant Purchase Agreement will 
terminate upon a termination of the Warrant in accordance with Section 9 
thereof.

         IN WITNESS WHEREOF, the parties hereto have executed this Warrant
Purchase Agreement as of the day and year first above written.


                                         INDEPENDENT BANK CORPORATION


                                         By:  /s/ Charles Van Loan      
                                            ----------------------------
                                            Charles Van Loan
                                            Its: Chief Executive Officer

                                         MUTUAL SAVINGS BANK, F.S.B.


                                         By:  /s/ Robert N. Schuster    
                                            ----------------------------
                                         Robert N. Schuster
                                         Its: Chief Executive Officer


                                        8

<PAGE>   9





THIS WARRANT AND THE COMMON SHARES ISSUABLE UPON THE EXERCISE HEREOF HAVE NOT
BEEN REGISTERED UNDER THE SECURITIES ACT OF 1933, AS AMENDED, OR REGISTERED OR
QUALIFIED UNDER ANY STATE SECURITIES LAWS, AND MAY NOT BE SOLD OR OTHERWISE
TRANSFERRED WITHOUT BEING SO REGISTERED OR QUALIFIED UNLESS AN EXEMPTION OR
EXEMPTIONS FROM SUCH REGISTRATION OR QUALIFICATION REQUIREMENTS ARE AVAILABLE.

                                     WARRANT

                        TO PURCHASE 853,792 COMMON SHARES

                                       OF

                           MUTUAL SAVINGS BANK, F.S.B.

         This is to certify that, for value received, INDEPENDENT BANK
CORPORATION, a Michigan corporation ("IBC"), is entitled to purchase from MUTUAL
SAVINGS BANK, f.s.b., a federally chartered stock savings bank ("MSB"), at any
time within ninety days after the first occurrence of a Triggering Event and
prior to the occurrence of an Exercise Termination Event, an aggregate of up to
853,792 common shares, $0.01 par value per share, of MSB ("MSB Common Stock"),
at a price of $9.8125 per share (the "Exercise Price"), subject to the terms and
conditions of this Warrant and a certain Warrant Purchase Agreement, of even
date herewith, between IBC and MSB (the "Warrant Purchase Agreement"). The
number of shares of MSB Common Stock which may be received upon the exercise of
this Warrant and the Exercise Price are subject to adjustment from time to time
as hereinafter set forth. The terms and conditions set forth in this Warrant and
the Warrant Purchase Agreement shall be binding upon the respective successors
and assigns of both of the parties hereto. This Warrant is issued in connection
with a certain Agreement and Plan of Reorganization, dated as of the date
hereof, between IBC and MSB (the "Merger Agreement"), which provides for the
consolidation of MSB into a wholly owned subsidiary of IBC (the
"Consolidation"), and a certain Consolidation Agreement among IBC, its
subsidiary and MSB, which provides certain additional terms and conditions
relating to the Merger (the "Consolidation Agreement"). The Merger Agreement and
the Consolidation Agreement are sometimes hereinafter collectively referred to
as the "Merger Documents." All capitalized terms used herein and not otherwise
defined herein shall have the meanings ascribed to them in the Merger Documents.
The term "Holder" shall mean and refer to IBC or any successor holder of this
Warrant.

         SECTION 1.  EXERCISE OF THE WARRANT.

                  (a) The Holder will not exercise this Warrant unless it has
         obtained all required approvals, if any, of appropriate regulatory
         authorities having jurisdiction, including the Office of Thrift
         Supervision, pursuant to all applicable laws and regulations. Further,
         subject to the terms and conditions set forth in this Warrant and in
         the Warrant Purchase Agreement and the provisions of applicable law, 
         the Holder will not exercise this Warrant without the
 
                                       1
<PAGE>   10


         written consent of MSB except within ninety days after the occurrence 
         of any of the following events (a "Triggering Event") and prior to the 
         occurrence of an Exercise Termination Event:

                           (i) any material, willful, and intentional breach of
                  the Merger Documents by MSB that would permit IBC to terminate
                  the Merger Documents (A) occurring after the receipt by MSB of
                  a proposal to engage in an Acquisition Transaction, (B)
                  occurring after the announcement by any other Person of an
                  intention to engage in an Acquisition Transaction, or (c) in
                  anticipation and for the purpose of engaging in an Acquisition
                  Transaction;

                           (ii) (A) a proposal to engage in an Acquisition
                  Transaction is submitted to and approved by the shareholders
                  of MSB at any time prior to December 31, 2000, or (B) a Tender
                  Offer is commenced and the transactions contemplated in the
                  Tender Offer are completed in such a manner that the Person
                  making the Tender Offer acquires beneficial ownership of more
                  than 20 percent of the capital stock or any other class of
                  voting securities of MSB, and the Consolidation is not
                  consummated prior to December 31, 2000;

                           (iii) (A) a proposal to engage in an Acquisition
                  Transaction is received by MSB or a Tender Offer is made
                  directly to the shareholders of MSB or the intention of making
                  an Acquisition Transaction or Tender Offer is announced at any
                  time prior to the holding of the MSB Shareholders' Meeting;
                  and (B) the Board of Directors of MSB (1) fails to recommend
                  to the shareholders of MSB that they vote their shares of MSB
                  Common Stock in favor of the approval of the Consolidation,
                  (2) withdraws such recommendation previously made, (3) fails
                  to solicit proxies of shareholders of MSB to approve the
                  Consolidation, or (4) fails to hold the MSB Shareholders'
                  Meeting;

                  (b) Notwithstanding the foregoing, this Warrant shall not be
         exercisable after the occurrence of an Exercise Termination Event which
         for purposes hereof means (i) the Effective Time (as defined in the
         Agreement) of the Consolidation, (ii) the failure of the shareholders
         of IBC to approve the Consolidation; (iii) the failure of any
         Regulatory Authority to provide any required Consent to the
         Consolidation, which failure was not the result of the existence of the
         Acquisition Proposal or a breach by MSB of any of its obligations under
         any of the Merger Documents; or (iv) the Merger Documents are
         terminated pursuant to Section 6.1 of the Merger Agreement, unless the
         event giving rise to the right to terminate is a breach by MSB and is
         preceded by a Triggering Event or the receipt by MSB of an Acquisition
         Transaction proposal, or the announcement by another Person of a
         proposal involving an Acquisition Transaction.

                  (c) An "Acquisition Transaction" shall mean a transaction
         between MSB and any Person other than IBC or any Affiliate of IBC
         involving (A) the sale or other disposition of more than 20% of the 
         shares of the capital stock or any other class of voting securities of
         MSB, including, but not limited to, a Tender Offer, (B) the sale or 
         other disposition of 15% 

                                       2

<PAGE>   11

 
         or more of the consolidated assets or deposits of MSB, or (c) a merger
         or consolidation involving MSB other than a transaction pursuant to
         which MSB will be the surviving corporation and the current
         shareholders of MSB will be the owners of a majority of the stock of
         the surviving corporation following the transaction. For purposes of
         this Section 1, a Tender Offer which is contingent upon the expiration
         of the Warrant is deemed to commence when it is announced.

                  (d) This Warrant shall be exercised by presentation and
         surrender hereof to MSB at its principal office accompanied by (i) a
         written notice of exercise for a specified number of shares of MSB
         Common Stock, (ii) payment to MSB, for the account of MSB, of the
         Exercise Price for the number of shares specified in such notice, and
         (iii) a certificate of the Holder indicating the Triggering Event that
         has occurred which entitles the Holder to exercise this Warrant. The
         Exercise Price for the number of shares of MSB Common Stock specified
         in the notice shall be payable in immediately available funds.

                  (e) Upon such presentation and surrender, MSB shall issue
         promptly (and within three business days if requested by the Holder) to
         the Holder, or any assignee, transferee, or designee permitted by
         subparagraph (g) of this Section 1, the shares to which the Holder is
         entitled hereunder and the Holder shall deliver to MSB a copy of this
         Warrant and a letter agreeing that the Holder will not offer to sell or
         otherwise dispose of such shares in violation of applicable law or the
         provisions of this Warrant.

                  (f) Certificates for shares of MSB Common Stock may 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 provisions of an agreement between the
                  registered holder hereof and Issuer and to resale restrictions
                  arising under the Securities Act of 1933, as amended. A copy
                  of such agreement is on file at the principal office of Issuer
                  and will be provided 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 "1933
         Act"), in the above legend shall be removed by delivery of substitute
         certificate(s) without such reference if the Holder shall have
         delivered to MSB a copy of a letter from the staff of the SEC, or an
         opinion of counsel, in form and substance reasonably satisfactory to
         MSB, to the effect that such legend is not required for purposes of the
         1933 Act; (ii) the reference to the provisions of this Warrant in the
         above legend shall be removed by delivery of substitute certificate(s)
         without such reference if the shares have been sold or transferred in
         compliance with the provisions of this Warrant 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 addition, such 
         certificates shall bear any other legend as may be required by law.

                                       3


<PAGE>   12

                  (g) If this Warrant should be exercised in part only, MSB
         shall, upon surrender of this Warrant for cancellation, execute and
         deliver a new Warrant evidencing the rights of the Holder thereof to
         purchase the balance of the shares purchasable hereunder. Upon receipt
         by MSB of this Warrant, in proper form for exercise, the Holder shall
         be deemed to be the holder of record of the shares of MSB Common Stock
         issuable upon such exercise, notwithstanding that the stock transfer
         books of MSB shall then be closed or that certificates representing
         such shares of MSB Common shall not then be actually delivered to the
         Holder. MSB shall pay all expenses, and any and all 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 1 in the name of the Holder or of any assignee, transferee, or
         designee permitted by subparagraph (g) of this Section 1.

                  (h) Neither of the parties hereto may assign any of its rights
         or obligations under this Warrant created hereunder to any other
         person, without the express written consent of the other party, except
         that in the event a Triggering Event shall have occurred prior to an
         Exercise Termination Event, the Holder, subject to the express
         provisions hereof, may assign in whole or in part its rights and
         obligations hereunder within 90 days following such Triggering Event;
         provided, however, that until the date 15 days following the date on
         which the Office of Thrift Supervision approves an application by the
         Holder pursuant to applicable laws and regulations to acquire the
         shares of MSB Common Stock subject to this Warrant, IBC may not assign
         its rights under this Warrant except in (i) a widely dispersed public
         distribution, (ii) a private placement in which no one party acquires
         the right to purchase in excess of 2% of the voting shares of MSB,
         (iii) an assignment to a single party (e.g., a broker or investment
         banker) for the purpose of conducting a widely dispersed public
         distribution on the Holder's behalf, or (iv) any other manner approved
         by the Office of Thrift Supervision.

         SECTION 2.  CERTAIN COVENANTS AND REPRESENTATIONS OF MSB AND IBC.

                  (a) MSB shall at all times maintain sufficient authorized but
         unissued shares of MSB Common Stock so that this Warrant may be
         exercised without additional authorization of the holders of MSB Common
         Stock, after giving effect to all other outstanding options, warrants,
         convertible securities, and other rights to purchase MSB Common Stock.

                  (b) MSB represents and warrants to the Holder that the shares
         of MSB Common Stock issued upon an exercise of this Warrant will be
         duly authorized, fully paid, nonassessable, and subject to no
         preemptive rights.

                  (c) MSB agrees (i) that it will not, by charter amendment or
         through reorganization, 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 MSB; (ii) promptly 
         to take all action as may from time to time be required, (including, 
         without limitation (A) complying with all pre-merger notification, 
         reporting, and waiting period requirements

                                       4
<PAGE>   13

         specified in 15 U.S.C. Section 18a and regulations promulgated
         thereunder, and (B) in the event, under the Bank Holding Company Act of
         1956, as amended (the "Bank Holding Company Act"), or the Change in
         Bank Control Act of 1978, or other statute, the prior approval of the
         Office of Thrift Supervision or other regulatory agency (collectively,
         the "Agencies"), is necessary before the Warrant may be exercised or
         transferred, cooperate fully with the Holder in preparing such
         applications and providing such information to the Agencies as the
         Agencies may require) in order to permit the Holder to exercise or
         transfer this Warrant and MSB duly and effectively to issue shares
         pursuant to the exercise hereof; and (iii) promptly to take all action
         provided herein to protect the rights of the Holder against dilution.

                  (d) IBC represents and warrants to MSB that the Warrant is not
         being, and any shares of MSB Common Stock or other securities acquired
         by IBC upon exercise of the Warrant will not be, acquired with a view
         to the public distribution thereof and will not be transferred or
         otherwise disposed of except in a transaction registered or exempt from
         registration under the Securities Act of 1933, as amended.

         SECTION 3. FRACTIONAL SHARES. MSB shall not be required to issue
fractional shares of MSB Common Stock upon an exercise of this Warrant but shall
pay for such fraction of a share in cash or by certified or official bank check
at the Exercise Price.

         SECTION 4.  EXCHANGE OR LOSS OF WARRANT.  This Warrant is exchangeable,
without expense, at the option of the Holder, upon presentation and surrender
hereof at the principal office of MSB for other Warrants of different
denominations entitling the Holder thereof to purchase in the aggregate the same
number of shares of MSB Common Stock purchasable hereunder. The term "Warrant"
as used herein includes any warrants for which this Warrant may be exchanged.
Upon receipt by MSB of evidence reasonably satisfactory to it of the loss,
theft, destruction, or mutilation of this Warrant, and (in the case of loss,
theft, or destruction) of reasonably satisfactory indemnification, and upon
surrender and cancellation of this Warrant, if mutilated, MSB will execute and
deliver a new Warrant of like tenor and date. Any such new Warrant executed and
delivered shall constitute an additional contractual obligation on the part of
MSB, whether or not the Warrant so lost, stolen, destroyed, or mutilated shall
at any time be enforceable by anyone.

         SECTION 5.  CERTAIN TRANSACTIONS.

                  (a) In the event that prior to an Exercise Termination Event,
         MSB shall (i) consolidate with or merge into any Person, other than IBC
         or one of its Affiliates, and shall not be the continuing or surviving
         corporation of such consolidation or merger, (ii) permit any Person,
         other than IBC or one of its Affiliates, to merge into MSB, and MSB
         shall be the continuing or surviving corporation, but, in connection
         with such merger, (x) the shareholders of MSB immediately prior to such
         merger own less than a majority of the surviving corporation's
         outstanding voting securities, or (y) the then outstanding voting
         shares of MSB Common Stock shall be changed into or exchanged for stock
         or other securities of any other Person or cash or any other property,
         or (iii) sell or otherwise transfer all or substantially all of its
         assets to any Person, other than IBC or one of its Affiliates, then, 

                                       5
<PAGE>   14




         and in any such case, the agreement governing such transaction shall
         make proper provision so that this Warrant shall, upon the
         consummation of any such transaction and upon the terms and conditions
         set forth herein, be converted into, or exchanged for, a warrant, at
         the option of the Holder, of either (A) the Acquiring Corporation (as
         hereinafter defined), (B) any company which controls the Acquiring
         Corporation, or (c) in the case of a merger described in clause
         (a)(ii) above, MSB, in which case such warrant shall be a newly issued
         warrant (in any such case, the "Substitute Warrant").

                  (b)      For purposes of this Section 5, the following terms 
have the meanings indicated:

                           (i)   "Acquiring Corporation" shall mean (A) the
                  continuing or surviving corporation of a consolidation or
                  merger with MSB (if other than MSB), (B) the corporation
                  merging into MSB in a merger in which MSB is the continuing or
                  surviving person and in connection with which the then
                  outstanding shares of MSB Common Stock are changed into or
                  exchanged for stock or other securities of any other Person or
                  cash or any other property, or (c) the transferee of all or
                  substantially all of MSB's assets;

                           (ii)  "Substitute Common" shall mean the common stock
                  issued by the issuer of the Substitute Warrant;

                           (iii) "Assigned Value" shall mean the Market/Offer
                  Price as determined pursuant to Subsection 7(b) of the Warrant
                  Purchase Agreement; provided, however, that in the event of a
                  sale of all or substantially all of MSB's assets, the Assigned
                  Value shall be the sum of the price paid in such sale for such
                  assets and the current market value of the remaining assets of
                  MSB as determined by a recognized investment banking firm
                  selected by the Holder, divided by the number of shares of MSB
                  Common Stock outstanding at the time of such sale;

                           (iv)  "Average Price" shall mean the average closing
                  price of a share of Substitute Common 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 Substitute Common on the day preceding such
                  consolidation, merger, or sale; provided that if MSB is the
                  issuer of the Substitute Warrant, the Average Price shall be
                  computed with respect to a share of the common stock issued by
                  the Person merging into MSB or by any company which controls
                  such Person, as the Holder may elect;

                           (v)   A "Person" shall mean any individual, firm,
                  corporation or other entity and include as well any syndicate
                  or group deemed to be a "person" by Section 13(d)(3) of the
                  Securities Exchange Act of 1934, as amended; and

                                       6

<PAGE>   15


                      (vi) "Affiliate" shall have the meaning ascribed to such
                  term in Rule 12b-2 of the General Rules and Regulations under
                  the Securities Exchange Act of 1934, as amended.

                  (c) The Substitute Warrant shall have the same terms as this
         Warrant, provided that, if the terms of the Substitute Warrant cannot,
         for legal reasons, be the same as this Warrant, such terms shall be as
         similar as possible and in no event less advantageous to the Holder.
         The issuer of the Substitute Warrant shall also enter into an agreement
         with the then Holder of the Substitute Warrant in substantially the
         same form as the Warrant Purchase Agreement, which shall be applicable
         to the Substitute Warrant.

                  (d) The Substitute Warrant shall be exercisable for such
         number of shares of Substitute Common as is equal to the Assigned Value
         multiplied by the number of shares of MSB Common Stock for which this
         Warrant is then exercisable, divided by the Average Price. The exercise
         price of the Substitute Warrant per share of Substitute Common shall be
         equal to the Exercise Price multiplied by a fraction in which the
         numerator is the number of shares of MSB Common Stock for which this
         Warrant is then exercisable and the denominator is the number of shares
         of Substitute Common for which the Substitute Warrant is exercisable.

         SECTION 6.   RIGHTS OF THE HOLDER; REMEDIES.

                  (a) The Holder shall not, by virtue hereof and prior to the
         exercise hereof, be entitled to any rights of a holder of MSB Common
         Stock.

                  (b) Without limiting the foregoing or any remedies available
         to the Holder, MSB specifically acknowledges that neither IBC nor any
         successor Holder of this Warrant would have an adequate remedy at law
         for any breach of this Warrant and MSB hereby agrees that IBC and any
         successor Holder shall be entitled to specific performance of the
         obligations of MSB hereunder and injunctive relief against actual or
         threatened violations of the provisions hereof.

         SECTION 7.   ANTIDILUTION PROVISIONS. The number of shares of MSB 
Common Stock purchasable upon the exercise hereof shall be subject to adjustment
from time to time as provided in this Section 7.

                  (a) In the event that MSB issues any additional shares of MSB
         Common Stock at any time after the date hereof (including pursuant to
         stock option plans), the number of shares of MSB Common Stock which can
         be purchased pursuant to this Warrant shall be increased by an amount
         equal to 19.9 percent of the additional shares so issued.

                  (b) (i) In the event that, after the date hereof, MSB pays or
         makes a dividend or other distribution of any class of capital stock of
         MSB in MSB Common Stock, the number of shares of MSB Common Stock
         purchasable upon exercise hereof shall be increased by multiplying such
         number of shares by a fraction of which the denominator shall be the
         number of shares of MSB Common Stock outstanding at the close of
         business on the day immediately preceding the date of such distribution
         and the numerator shall be the

                                       7

<PAGE>   16




         sum of such number of shares and the total number of shares 
         constituting such dividend or other distribution, such increase to
         become effective immediately after the opening of business on the day 
         following such distribution.

                           (ii) In the event that, after the date hereof,
                  outstanding shares of MSB Common Stock are subdivided into a
                  greater number of shares of MSB Common Stock, the number of
                  shares of MSB Common Stock purchasable upon exercise hereof at
                  the opening of business on the day following the day upon
                  which such subdivision becomes effective shall be
                  proportionately increased, and, conversely, in the event that,
                  after the date hereof, outstanding shares of MSB Common Stock
                  are combined into a smaller number of shares of MSB Common
                  Stock, the number of shares of MSB Common Stock purchasable
                  upon exercise hereof at the opening of business on the day
                  following the day upon which such combination becomes
                  effective shall be proportionately decreased, such increase or
                  decrease, as the case may be, to become effective immediately
                  after the opening of business on the day following the day
                  upon which such subdivision or combination becomes effective.

                           (iii) The reclassification (including any
                  reclassification upon a merger in which MSB is the continuing
                  corporation) of MSB Common Stock into securities including
                  other than MSB Common Stock shall be deemed to involve a
                  subdivision or combination, as the case may be, of the number
                  of shares of MSB Common Stock outstanding immediately prior to
                  such reclassification into the number of shares of MSB Common
                  Stock outstanding immediately thereafter and the effective
                  date of such reclassification shall be deemed to be the day
                  upon which such subdivision or combination becomes effective,
                  as the case may be, within the meaning of clause (ii) above.

                  (c)      Whenever the number of shares of MSB Common Stock
         purchasable upon exercise hereof is adjusted pursuant to paragraph (b)
         above, the Exercise Price shall be adjusted by multiplying the Exercise
         Price by a fraction the numerator of which is equal to the number of
         shares of MSB Common Stock purchasable prior to the adjustment and the
         denominator of which is equal to the number of shares of MSB Common
         Stock purchasable after the adjustment.

                  (d)      For the purpose of this Section 7, the term "MSB 
         Common Stock" shall include any shares of MSB of any class or series
         which has no preference or priority in the payment of dividends or in
         the distribution of assets upon any voluntary or involuntary
         liquidation, dissolution, or winding up of MSB and which is not subject
         to redemption by MSB.

         SECTION 8.  NOTICE.

                                       8

<PAGE>   17

                  (a) Whenever the number of shares of MSB Common Stock for
         which this Warrant is exercisable is adjusted as provided in Section 7
         hereof, MSB shall promptly compute such adjustment and mail to the
         Holder a certificate, signed by a principal financial officer of MSB,
         setting forth the number of shares of MSB Common Stock for which this
         Warrant is exercisable and the adjusted Exercise Price as a result of
         such adjustment, a brief statement of the facts requiring such
         adjustment, the computation thereof, and when such adjustment will
         become effective.

                  (b) Upon the occurrence of a Triggering Event MSB shall (i)
         promptly notify the Holder and/or the "Owner" (as that term is defined
         in the Warrant Purchase Agreement) of such event, (ii) promptly compute
         the "Warrant Repurchase Price" and the "Warrant Stock Repurchase Price"
         (as such terms are defined in the Warrant Purchase Agreement), and
         (iii) furnish to the Holder and/or the Owner a certificate, signed by
         the chief financial officer of MSB setting forth the Warrant Repurchase
         Price and/or the Warrant Stock Repurchase Price and the basis and
         computation thereof.

                  (c) Upon the occurrence of an event which results in this
         Warrant becoming convertible into, or exchangeable for, the Substitute
         Warrant, as provided in Section 5 hereof, MSB and the Acquiring
         Corporation shall promptly notify the Holder of such event; and, upon
         receipt from the Holder of its choice as to the issuer of the
         Substitute Warrant, the Acquiring Corporation shall promptly compute
         the number of shares of Substitute Common for which the Substitute
         Warrant is exercisable and furnish to the Holder a certificate, signed
         by a principal financial officer of the Acquiring Corporation, setting
         forth the number of shares of Substitute Common for which the
         Substitute Warrant is exercisable, the Substitute Warrant exercise
         price, a computation thereof, and when such adjustment will become
         effective.

         SECTION 9.   TERMINATION. This Warrant and the rights conferred hereby
shall terminate upon the earliest of (i) six months after the occurrence of a
Triggering Event; (ii) the Effective Time of the Merger, (iii) the date of
termination of the Merger Documents unless (a) the event giving rise to the
right to terminate is preceded by a Triggering Event, or (b) the receipt by MSB,
or the announcement by another person, of a proposal involving an Acquisition
Transaction

                                        9

<PAGE>   18


or Tender Offer, unless the Agreement is earlier terminated by MSB, pursuant to
its right to terminate the Agreement, under the conditions of Section 6.1 of the
Agreement; or (iv) December 31, 2000.

         IN WITNESS WHEREOF, the undersigned has executed this Warrant as of
this 24th day of March, 1999.


ATTEST:                                        MUTUAL SAVINGS BANK, F.S.B.


By: /s/ Gary W. Wilds                             By: /s/ Robert N. Schuster    
   --------------------------                     ----------------------------
                                                  Robert N. Schuster
Title: Secretary                                  Its: Chief Executive Officer
      -----------------------


                                       10




<PAGE>   1
                                                                      EXHIBIT 11


         A reconciliation of basic and diluted earnings per share for the
three-month periods ending March 31 follows:

<TABLE>
<CAPTION>

                                                                                    Three months ended
                                                                                        March 31,
                                                                                     1999           1998
                                                                                 -------------  -------------

<S>                                                                              <C>            <C>          
       Net income                                                                $  2,765,000   $   2,433,000
                                                                                 ============   =============

       Shares outstanding (Basic) (1)                                               7,411,000       7,264,000
         Effect of dilutive securities - stock options                                 62,000          94,000
                                                                                 ------------   -------------
                Shares outstanding (Diluted)                                        7,473,000       7,358,000
                                                                                 ============   =============
       Earnings per share
         Basic                                                                   $        .37   $         .33
         Diluted                                                                          .37             .33
</TABLE>

      (1) Shares outstanding have been adjusted for a three-for-two stock split
          and a 5% stock dividend in 1998.

<TABLE> <S> <C>

<ARTICLE> 9
<MULTIPLIER> 1,000
       
<S>                             <C>
<PERIOD-TYPE>                   3-MOS
<FISCAL-YEAR-END>                          DEC-31-1999
<PERIOD-END>                               MAR-31-1999
<CASH>                                          33,174
<INT-BEARING-DEPOSITS>                               0
<FED-FUNDS-SOLD>                                     0
<TRADING-ASSETS>                                     0
<INVESTMENTS-HELD-FOR-SALE>                     88,793
<INVESTMENTS-CARRYING>                          16,100
<INVESTMENTS-MARKET>                            16,674
<LOANS>                                        822,743
<ALLOWANCE>                                      9,989
<TOTAL-ASSETS>                               1,054,540
<DEPOSITS>                                     816,455
<SHORT-TERM>                                   132,423
<LIABILITIES-OTHER>                             14,038
<LONG-TERM>                                     19,750
                                0
                                          0
<COMMON>                                         7,427
<OTHER-SE>                                      64,447
<TOTAL-LIABILITIES-AND-EQUITY>               1,054,540
<INTEREST-LOAN>                                 19,508
<INTEREST-INVEST>                                1,890
<INTEREST-OTHER>                                   249
<INTEREST-TOTAL>                                21,647
<INTEREST-DEPOSIT>                               6,444
<INTEREST-EXPENSE>                               8,778
<INTEREST-INCOME-NET>                           12,869
<LOAN-LOSSES>                                      525
<SECURITIES-GAINS>                                  14
<EXPENSE-OTHER>                                 12,146
<INCOME-PRETAX>                                  3,889
<INCOME-PRE-EXTRAORDINARY>                       3,889
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                     2,765
<EPS-PRIMARY>                                     0.37
<EPS-DILUTED>                                     0.37
<YIELD-ACTUAL>                                    5.46
<LOANS-NON>                                      3,276
<LOANS-PAST>                                     1,814
<LOANS-TROUBLED>                                   280
<LOANS-PROBLEM>                                  3,400
<ALLOWANCE-OPEN>                                 9,714
<CHARGE-OFFS>                                      412
<RECOVERIES>                                       162
<ALLOWANCE-CLOSE>                                9,989
<ALLOWANCE-DOMESTIC>                             5,176
<ALLOWANCE-FOREIGN>                                  0
<ALLOWANCE-UNALLOCATED>                          4,813
        

</TABLE>


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