BLACKHAWK BANCORP INC
8-K/A, 1998-07-20
SAVINGS INSTITUTION, FEDERALLY CHARTERED
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<PAGE>   1
                       SECURITIES AND EXCHANGE COMMISSION
                             Washington, D.C. 20549

                                   FORM 8-K/A

                                 Current Report
                       Pursuant to Section 13 or 15(d) of
                       the Securities Exchange Act of 1934

                          Date of Report: July 11, 1998
                  Date of earliest reported event May 14, 1998

                             BLACKHAWK BANCORP, INC.

                                    WISCONSIN


      0-18599                                      39-1659424 (I.R.S. Employer
(Commission File No.)                                   Identification No.)

                                400 Broad Street
                                Beloit, WI 53511

                                 (608) 364-8911





                                                                              1.

<PAGE>   2


Item     7. FINANCIAL STATEMENTS AND EXHIBITS 
         (a) Financial Statements of Business Acquired 
         Consolidated Balance Sheets as of March 31, 1998
         Consolidated Statements of Income for the years ended March 31, 1998
         and March 31, 1997 
         Consolidated Statements of Stockholder's Equity as of March 31, 1998 
         and December 31, 1997 
         Consolidated Statements of Cash Flows for the years ended March 31, 
         1998 and March 31, 1997 
         Notes to the Consolidated Financial Statements for the years ended 
         March 31, 1998 and March 31, 1997.

         Consolidated Balance Sheets as of December 31, 1997
         Consolidated Statements of Income for the years ended December 31, 1997
         and December 31, 1996 
         Consolidated Statements of Stockholder's Equity as of December 31, 
         1997 and December 31, 1996 
         Consolidated Statements of Cash Flows for the years ended December 31, 
         1997 and December 31, 1996 
         Notes to the Consolidated Financial Statements for the years ended 
         December 31, 1997 and December 31, 1996

         Consolidated Balance Sheets as of December 31, 1996
         Consolidated Statements of Income for the years ended December 31, 1996
         and December 31, 1995 
         Consolidated Statements of Stockholder's Equity as of December 31, 
         1996 and December 31, 1995 
         Consolidated Statements of Cash Flows for the years ended December 31, 
         1996 and December 31, 1995 
         Notes to the Consolidated Financial Statements for the years ended 
         December 31, 1996 and December 31, 1995

         (b)   Pro Forma Financial Information
         Pro Forma Combining Balance Sheet as of March 31, 1996
         Pro Forma Combining Statement of Income for the Three Months Ended
         March 31, 1998 
         Pro Forma Combining Statement of Income for the year ended 
         December 31, 1997 
         Notes to Pro Forma Combining Balance Sheet and Combining Statements 
         of Income

         On May 7, 1998, Blackhawk Bancorp, Inc. ("Company") and First Financial
         Bancorp, Inc. ("First Financial") entered into an agreement where the
         Company agrees to purchase each of the outstanding shares of First
         Financial for $30.00 per share, subject to a floor of $29.00 or $12.6
         million. First Financial is the parent company of First Federal Savings
         Bank.

         The following pro forma statements present both company's fiscal
         year-end of December 31, 1997 and the interim period of March 31, 1998.

                                                                              2.

<PAGE>   3



                                    INDEX



                                                      Page
Financial Statements - Unaudited                      Number

     Consolidated Statement of Financial Condition
       as of March 31, 1998                             3

     Consolidated Statements of Income for the
       Three Months Ended March 31, 1998 and 1997       4

     Consolidated Statement of Stockholders' Equity
       for the Three Months Ended March 31, 1998        6

     Consolidated Statements of Cash Flows for the
       Three Months Ended March 31, 1998 and 1997       9

     Notes to Unaudited Consolidated Financial
       Statements                                      12





















                                                                              3.

<PAGE>   4

     FIRST FINANCIAL BANCORP, INC. AND SUBSIDIARY
     CONSOLIDATED STATEMENT OF FINANCIAL CONDITION
     ---------------------------------------------- 
                      (Unaudited)
<TABLE>
<CAPTION>
                                                     March 31,
                                                       1998
ASSETS                                               ---------
<S>                                                  <C>      
Cash on hand and non-interest-bearing deposits       $     750
Interest-earning deposits                                2,386
                                                     ---------
        Total cash and cash equivalents                  3,136

Securities available for sale, at market value          17,519
Mortgage-backed securities available for sale,
        at market value                                  2,008
First mortgage loans held for sale                       2,960
Mortgage-backed securities held to maturity,
        at book value (fair market value $602)             618
Certificates of deposit held to maturity                 1,000
Loans receivable, net of allowance for losses of $542   50,077
Accrued interest receivable                                613
Premises and equipment                                   2,507
Investment in stock of Federal Home Loan Bank
        of Chicago, at cost                                910
Other assets                                               769
                                                     ---------
        Total Assets                                 $  82,117
                                                     =========
LIABILITIES AND STOCKHOLDER'S EQUITY
LIABILITIES
Deposit accounts                                     $  67,146
Borrowings from FHLB                                     6,350
Advance payments by borrowers for taxes and insurance      275
Other liabilities                                          628
                                                     ---------
        Total Liabilities                               74,399
COMMITMENTS AND CONTINGENCIES (See footnotes)
STOCKHOLDER'S EQUITY
Common Stock - $0.10 par value, 1,500,000 shares
 authorized, 510,901 shares issued and 415,452
 shares outstanding                                         51
Additional paid in capital                               3,893
Retained earnings, substantially restricted              5,269
Treasury stock, at cost, 95,449 shares                  (1,525)
Common stock purchased by:
  Employee stock ownership plan                            (27)
  Management recognition and retention plans               (24)
Net unrealized loss on investment securities
 available for sale                                         81
                                                     ---------
        Total stockholder's equity                       7,718
                                                     ---------
        Total liabilities and stockholder's equity   $  82,117
                                                     =========
</TABLE>

See accompanying notes to unaudited consolidated financial
statements



                                                                              4.
<PAGE>   5




     FIRST FINANCIAL BANCORP, INC. AND SUBSIDIARY
     CONSOLIDATED STATEMENTS OF INCOME
     ----------------------------------------------
                      (Unaudited)
<TABLE>
<CAPTION>
                                     Three months ended March 31,
                                     ----------------------------
                                         1998            1997
                                     -------------   ------------
<S>                                  <C>             <C>         
Interest income
   First mortgage loans              $         805   $      1,226
   Other loans                                 300            205
   Mortgage-backed securities                   36            152
   Investment securities                       272             90
   Interest-earning deposits                    49              7
                                     -------------   ------------
     Total interest income                   1,462          1,680
                                     -------------   ------------
Interest expense
   Deposit accounts                            711            732
   FHLB advances                               118            283
                                     -------------   ------------
     Total interest expense                    829          1,015
                                     -------------   ------------
     Net interest income                       633            665

Provision for loss on loans                     24             33
                                     -------------   ------------
Net income after provision for loss
   on loans                                    609            632
                                     -------------   ------------

Non-interest income
   Loan servicing fees and charges              34             50
   Service charge on deposit accounts           55             44
   Gain on sales of loan                        64              6
   Gain (loss) on sales of securities and
     mortgage-backed securities                 (2)            69
   Other                                        43             13
                                     -------------   ------------
     Total non-interest income                 194            182

Non-interest expense
   Compensation and benefits                   346            298
   Occupancy and equipment                      89             75
   Data processing                              19             42
   Loan origination and servicing               33             12
   Professional services                        44             27
   Advertising expenses                         27             29
   Other                                       141            108
                                     -------------   ------------
     Total non-interest expense                699            591
                                     -------------   ------------
</TABLE>

See accompanying notes to unaudited consolidated financial
statements



                                                                              5.

<PAGE>   6



     FIRST FINANCIAL BANCORP, INC. AND SUBSIDIARY
     CONSOLIDATED STATEMENTS OF INCOME
     ----------------------------------------------
                      (Unaudited)
                      (Continued)

<TABLE>
<CAPTION>
                                     Three months ended March 31,
                                     ---------------------------
                                         1998           1997
                                     -------------  ------------
<S>                                  <C>            <C>         
     Income before income taxes      $         104  $        223

Income taxes                                    34            73
                                     -------------  ------------
     Net income                      $          70  $        150
                                     =============  ============

Basic earnings per share                     $0.17         $0.37
                                     =============  ============
Diluted earnings per share                   $0.17         $0.37
                                     =============  ============

</TABLE>







See accompanying notes to unaudited consolidated financial
statements




                                                                              6.


<PAGE>   7


     FIRST FINANCIAL BANCORP, INC. AND SUBSIDIARY
     CONSOLIDATED STATEMENT OF STOCKHOLDER'S EQUITY
     ----------------------------------------------
      Three Months Ended March 31, 1998 (Unaudited)

<TABLE>
<CAPTION>
                                       Additional
                               Common   Paid in   Retained
(Dollars in Thousands)         Stock    Capital   Earnings
                              --------  --------  --------
<S>                          <C>        <C>       <C>           
Balance December 31, 1997     $     51  $  3,864  $  5,199

Net income                           -         -         -
Other Comprehensive income,
 net of tax:
   Net change in unrealized
   gain on investment secur-
   ities available for sale,
   net of deferred income
   taxes of $4                       -         -         -
     Other comprehensive
      income                         -         -         -

Comprehensive income                 -         -         -

Release of earned ESOP
shares, 1,695 shares                 -        29         -

Amortization of unearned
stock awards                         -         -         -

Purchase of treasury stock,
1,000 shares, at cost                -         -         -

Net change in unrealized
gain on investment secur-
ities available for sale,
net of deferred income
taxes of $4                          -         -         -
                              --------  --------  --------
Balance March 31, 1998        $     51  $  3,893  $  5,269
                              ========  ========  ========

</TABLE>



See accompanying notes to unaudited consolidated financial
statements



                                                                              7.

<PAGE>   8





     FIRST FINANCIAL BANCORP, INC. AND SUBSIDIARY     
     CONSOLIDATED STATEMENT OF STOCKHOLDER'S EQUITY
     ----------------------------------------------
      Three Months Ended March 31, 1998 (Unaudited)
                    (Continued)
<TABLE>
<CAPTION>

                                                  Unearned
                              Treasury  Unearned   Stock
(Dollars in Thousands)         Stock      ESOP     Awards
                              --------  --------  --------
<S>                           <C>       <C>       <C>      
Balance December 31, 1997     $ (1,505) $    (41) $    (25)

Net income                           -         -         -
Other Comprehensive income,
 net of tax:
   Net change in unrealized
   gain on investment secur-
   ities available for sale,
   net of deferred income
   taxes of $4                       -         -         -
     Other comprehensive
      income                         -         -         -

Comprehensive income                 -         -         -

Release of earned ESOP
shares, 1,695 shares                 -        14         -

Amortization of unearned
stock awards                         -         -         1

Purchase of treasury stock,
1,000 shares, at cost              (20)        -         -

Net change in unrealized
gain on investment secur-
ities available for sale,
net of deferred income
taxes of $4                          -         -         -
                              --------   -------  --------
Balance March 31, 1998        $ (1,525)  $   (27) $    (24)
                              ========   =======  ========

</TABLE>









See accompanying notes to unaudited consolidated financial
statements


                                                                              8.

<PAGE>   9



     FIRST FINANCIAL BANCORP, INC. AND SUBSIDIARY     
     CONSOLIDATED STATEMENT OF STOCKHOLDER'S EQUITY
     ----------------------------------------------      
     Three Months Ended March 31, 1998 (Unaudited)
                      (Continued)

<TABLE>
<CAPTION>
                            Accumulated
                               Other
                           Comprehensive
(Dollars in Thousands)         Income     Total
                              --------  --------
<S>                           <C>       <C>     
Balance December 31, 1997     $     88  $  7,631

Net income                           -        70
Other Comprehensive income,
 net of tax:
   Net change in unrealized
   gain on investment secur-
   ities available for sale,
   net of deferred income
   taxes of $4                      (7)       (7)
     Other comprehensive                 -------
      income                                  (7)
                                         -------
Comprehensive income                          63

Release of earned ESOP
shares, 1,695 shares                 -        43

Amortization of unearned
stock awards                         -         1

Purchase of treasury stock,
1,000 shares, at cost                -       (20)


                              --------  --------
Balance March 31, 1998        $     81  $  7,718
                              ========  ========

</TABLE>




See notes to accompanying unaudited consolidated financial
statements


                                                                              9.


<PAGE>   10





     FIRST FINANCIAL BANCORP, INC. AND SUBSIDIARY     
     CONSOLIDATED STATEMENTS OF CASH FLOWS
     ----------------------------------------------                      
                     (Unaudited)
<TABLE>
<CAPTION>
                                     Three months ended March 31,
                                     ---------------------------
                                         1998           1997
                                     -------------   -----------
<S>                                        <C>           <C>    
CASH FLOWS FROM OPERATING ACTIVITIES
 Net income                                $    70       $   150
  Adjustments to reconcile net cash
   provided by (used in) operating
   activities:
    Amortization of:
      Premiums, discounts and deferred
       fees on loans, mortgage-backed
       and investment securities               (10)           15
      Net excess servicing fees and
       originated mortgage servicing
       rights                                   25             3
      Management recognition and
       retention plans                           1             -
      Employee stock ownership plan             43            33
    Provision for losses on loans and
     foreclosed real estate                     24            33
    (Gain)Loss on sale of:
      Loans                                    (64)           (6)
      Investment and mortgage-backed
      securities                                 2           (69)
    Depreciation of premises and
     equipment                                  38            34
    Originations of loans held for sale,
     net of origination fees and
     principal collected                    (8,906)         (438)
    Proceeds from sales of loans held
     for sale                                8,273           441
    Net cash flows due to other changes in:
      Accrued interest receivable              (87)          (31)
      Other assets                             278           143
      Other liabilities                         30            73
                                           -------       -------
     Net cash (used in) provided by
       operating activities                   (283)          381

CASH FLOWS FROM INVESTING ACTIVITIES
   Loan originations, net of principal
    collected on loans                       2,379         1,242
   Purchases of:
     Loan participations                      (311)            -
     Mortgage-backed securities available
      for sale                                (475)            -
</TABLE>

See accompanying notes to unaudited consolidated financial
statements




                                                                             10.

<PAGE>   11




     FIRST FINANCIAL BANCORP, INC. AND SUBSIDIARY     
     CONSOLIDATED STATEMENTS OF CASH FLOWS (Continued)
     -------------------------------------------------
                        (Unaudited)
<TABLE>
<CAPTION>
                                     Three months ended March 31,
                                     ---------------------------
(Dollars in Thousands)                   1998           1997
                                     -------------   -----------
CASH FLOWS FROM INVESTING ACTIVITIES (continued)

<S>                                         <C>             <C>  
   Proceeds from:
     Securities available for sale          (6,258)         (502)
     Certificates of deposit held to
      maturity                                (100)            -
     Sales of securities available for
      sale                                   1,000             -
     Maturities, calls and redemptions of
      securities available for sale          2,250           516
     Maturities of certificates of deposit
      held to maturity                       1,199             -
   Principal collected on mortgage-backed
    securities and collateralized mortgage
    obligations                                331           176
   Purchases of premises and equipment        (654)          (50)
                                           -------       -------
      Net cash (used in) provided by
       investing activities                   (639)        1,382

CASH FLOWS FROM FINANCING ACTIVITIES
   Net (decrease)increase in deposit
    accounts                                  (404)        1,955
   Net decrease in advances from the
    FHLB of Chicago                           (350)       (3,500)
   Repurchases of common stock                 (20)         (150)
   Net increase (decrease) in advance
    payments by borrowers for taxes
    and insurance                               73           185
                                           -------       -------
      Net cash (used in) provided by
       financing activities                   (701)       (1,510)
                                           -------       -------
Net (decrease) increase in cash
 cash equivalents                           (1,623)          253
Cash and equivalents at beginning of period  4,759         1,652
                                           -------       -------
Cash and equivalents at end of period      $ 3,136       $ 1,905
                                           =======       =======
</TABLE>





See Accompanying Notes to Unaudited Consolidated Financial
Statements

                                                                             11.

<PAGE>   12


     FIRST FINANCIAL BANCORP, INC. AND SUBSIDIARY     
     CONSOLIDATED STATEMENTS OF CASH FLOWS (Continued)
     -------------------------------------------------
                      (Unaudited)

SUPPLEMENTAL DISCLOSURES OF CASH FLOW INFORMATION 
<TABLE>
<S>                                        <C>           <C>    
   Cash paid (received) for:
     Interest                              $   813       $   928
     Income taxes                                -          (118)
   Noncash items
     Transfer of portfolio loans to REO          -           122
     Transfer of loans for sale to portfolio    46             -

</TABLE>








See accompanying notes to unaudited consolidated financial
statements

                                                                             12.

<PAGE>   13





                  FIRST FINANCIAL BANCORP, INC. AND SUBSIDIARY
              Notes to Unaudited Consolidated Financial Statements
                             March 31, 1998 and 1997


(1)  Basis of Presentation

The accompanying unaudited consolidated financial statements have been prepared
in accordance with generally accepted accounting principles (GAAP) for interim
financial information and with the instructions to Form 10-QSB and Item 310 of
Regulation S-B. Accordingly, they do not include all of the information and
footnotes required by GAAP for complete financial statements. In the opinion of
management, all adjustments (consisting of only normal recurring accruals)
necessary for a fair comparison have been included.

The results of operations and other data for the interim periods are not
necessarily indicative of results that may be expected for the entire fiscal
year ending December 31, 1998.

The unaudited consolidated financial statements consist of the statement of
financial condition as of March 31, 1998, the statements of income for the three
months ended March 31, 1998 and 1997, the statement of stockholders' equity for
the three months ended March 31, 1998, and the statements of cash flows for the
three months ended March 31, 1998 and 1997, which include the accounts of First
Financial Bancorp, Inc. (the "Company") and its wholly-owned subsidiary, First
Federal Savings Bank (the "Bank") and the Bank's wholly-owned subsidiary, First
Financial Services of Belvidere Illinois, Inc., for the three months ended March
31, 1998 and 1997. All material intercompany accounts and transactions have been
eliminated in consolidation.


(2) Subsequent Event

First Financial Bancorp, Inc. entered into a merger agreement with Blackhawk
Bancorp, Inc. of Beloit, Wisconsin on May 7, 1998. The merger is structured as a
cash transaction with Blackhawk paying $30.00 per share for each First Financial
share of common stock, subject to adjustment to $29.00 per share under certain
circumstances. The completion of the transaction is subject to approval of First
Financial shareholders and regulatory authorities, among other conditions.


(3) Earnings Per Share

Basic earnings per share information for the three months ended March 31, 1998
and 1997 is based on the weighted average number of common shares outstanding
during the respective periods of 407,654 and 400,067. The Bank's ESOP held 5,088
unallocated shares as of March 31, 1998, and the Recognition and Retention Plans
held 3,043 unallocated shares. Diluted earnings per share shows the dilutive
effect of additional common shares issuable under stock options and the effect
of unearned stock awards.

(4)  Comprehensive Income

Under a new accounting standard (see Footnote 6), comprehensive income is now
reported for all periods. Comprehensive income includes both net income and
other comprehensive income. Other comprehensive income includes the change in
unrealized gains and 

                                                                             13.

<PAGE>   14

losses on securities available for sale, foreign currency translation
adjustments, and additional minimum pension liability adjustments. The following
table details reclassification adjustments within other comprehensive income:

<TABLE>
<CAPTION>
                                   Three Months Ended
                                        March 31,
                                   -------------------
                                     1998       1997
                                   --------   --------

<S>                                <C>        <C>     
Net Income                         $     70   $    150
Other Comprehensive income, net
 of tax:
   Unrealized gains/(losses)
    arising during period                (9)       (20)
   Less: reclassification 
    adjustment for accumulated 
    gains/(losses) included in 
    net income                            2        (69)
                                   --------   --------
      Unrealized gains/(losses) on
       securities                        (7)       (89)
                                   --------   --------
Comprehensive income                     63         61
                                   ========   ========
</TABLE>

(5) Commitments and Contingencies

Commitments to originate mortgage loans at March 31, 1998 were $0.6 million, all
of which were fixed rate loans with rates of 6.875% to 7.625%. The Company had
commitments to sell mortgage loans totaling $7.1 million at March 31, 1998. As
of March 31, 1998 remaining balances in loans sold under recourse agreements
totaled $1.1 million while unused adjustable rate lines of credit and unused
credit card lines totaled $3.7 and $1.8 million, respectively. Commitments to
fund commercial, commercial real estate, and multifamily loan participations
totaled $1.0 million.

The Bank has pledged certain mortgage-backed securities and U.S. agency
securities worth $6.4 million at March 31, 1998 as collateral for deposits in
excess of federal deposit insurance limitations.



(6) New accounting standards

Effective for fiscal years beginning after December 15, 1997, a new accounting
standard (SFAS 130), comprehensive income is now reported for all periods.
Comprehensive income includes both net income and other comprehensive income.
Other comprehensive income includes the change in unrealized gains and losses on
securities available-for-sale. Comprehensive income has been disclosed in the
statement of shareholder's equity.

Effective for fiscal years beginning after December 15, 1997, a new accounting
standard (SFAS 131), establishes standards for the way the public enterprises
report information about operating segments in interim financial reports issued
to shareholders. This standard will have no impact on the Company.

                                                                             14.
<PAGE>   15

                          FIRST FINANCIAL BANCORP, INC.
                        CONSOLIDATED FINANCIAL STATEMENTS
                                December 31, 1997


                                    CONTENTS



FINANCIAL STATEMENTS

     AUDITOR'S REPORT........................................

     CONSOLIDATED STATEMENT OF FINANCIAL CONDITION ..........   16

     CONSOLIDATED STATEMENTS OF INCOME ......................   17

     CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY ........   18

     CONSOLIDATED STATEMENTS OF CASH FLOWS ..................   19

     NOTES TO CONSOLIDATED FINANCIAL STATEMENTS .............   21





                                                                             15.


<PAGE>   16

                          FIRST FINANCIAL BANCORP, INC.
                 CONSOLIDATED STATEMENT OF FINANCIAL CONDITION
                                December 31, 1997
                    (In thousands, except per share amounts)



<TABLE>
<S>                                                                        <C>        
ASSETS
Cash on hand and non-interest-earning deposits                             $       629
Interest-earning deposits                                                        4,130
                                                                           -----------
     Total cash and cash equivalents                                             4,759

Securities available-for-sale                                                   14,507
Mortgage-backed securities available-for-sale                                    1,625
First mortgage loans held for sale                                               2,352
Mortgage-backed securities held-to-maturity (fair value $835)                      864
Certificates of deposit                                                          2,099
Loans receivable, net of allowance for losses of $531                           52,120
Accrued interest receivable                                                        526
Premises and equipment                                                           1,891
Federal Home Loan Bank stock                                                       910
Other assets                                                                     1,029
                                                                           ----------- 
     Total assets                                                          $    82,682
                                                                           ===========

LIABILITIES AND STOCKHOLDERS' EQUITY
Liabilities
     Deposit accounts                                                      $    67,550
     Advances from the Federal Home Loan Bank                                    6,700
     Advance payments by borrowers for taxes and insurance                         202
     Other liabilities                                                             599
                                                                           -----------
         Total liabilities                                                      75,051

Stockholders' equity
     Common stock - $0.10 par value, 1,500,000 shares authorized,
       509,848 shares issued                                                        51
     Additional paid-in capital                                                  3,864
     Retained earnings                                                           5,199
     Treasury stock, at cost, 94,449 shares                                     (1,505)
     Unearned employee stock ownership plan shares                                 (41)
     Unearned stock awards                                                         (25)
     Net unrealized gain on securities available-for-sale,
       net of income taxes of $44                                                   88
                                                                           -----------
         Total stockholders' equity                                              7,631
                                                                           -----------

              Total liabilities and stockholders' equity                   $    82,682
                                                                           ===========
</TABLE>

                                                                             16.

<PAGE>   17


                          FIRST FINANCIAL BANCORP, INC.
                        CONSOLIDATED STATEMENTS OF INCOME
                     Years ended December 31, 1997 and 1996
                    (In thousands, except per share amounts)


<TABLE>
<CAPTION>
                                                                     1997         1996    
Interest income                                                      ----         ----
<S>                                                               <C>           <C>     
     First mortgage loans                                         $   4,095     $  4,548
     Other loans                                                        996          698
     Securities                                                         711          496
     Mortgage-backed securities                                         368          620
     Interest-earning deposits                                          168           41
                                                                  ---------     --------
         Total interest income                                        6,338        6,403
                                                                  ---------     --------

Interest expense
     Deposit accounts                                                 2,997        2,965
     FHLB advances                                                      754          802
                                                                  ---------     --------
         Total interest expense                                       3,751        3,767
                                                                  ---------     --------


NET INTEREST INCOME                                                   2,587        2,636

Provision for loan losses                                                88          182
                                                                  ---------     --------


NET INTEREST INCOME AFTER PROVISION FOR LOAN LOSSES                   2,499        2,454
                                                                  ---------     --------

Noninterest income
     Loan servicing fees and charges                                    209          198
     Service charge on deposit accounts                                 208          173
     Gain (loss) on sales of loans                                      (24)          87
     Loss on sale of securities                                        (171)        (415)
     Other                                                               69           49
                                                                  ---------     --------
         Total noninterest income                                       291           92

Noninterest expense
     Compensation and benefits                                        1,270        1,117
     Occupancy and equipment                                            307          263
     Data processing                                                    250          162
     Federal deposit insurance premiums                                  34          574
     Loan origination and servicing                                      71          142
     Professional fees                                                  100           94
     Marketing and promotion                                            101           56
     Other                                                              485          398
                                                                  ---------     --------
         Total noninterest expense                                    2,618        2,806
                                                                  ---------     --------


INCOME (LOSS) BEFORE INCOME TAXES                                       172         (260)

Provision (benefit) for income taxes                                     48         (102)
                                                                  ---------     --------


NET INCOME (LOSS)                                                 $     124     $   (158)
                                                                  =========     ========

Basic earnings (loss) per share                                   $     .31     $   (.36)
                                                                  =========     ========
Diluted earnings (loss) per share                                 $     .30     $   (.36)
                                                                  =========     ========
</TABLE>



                                                                                
                                                                             17.
<PAGE>   18


                          FIRST FINANCIAL BANCORP, INC.
                 CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY
                     Years ended December 31, 1997 and 1996
                    (In thousands, except per share amounts)



<TABLE>
<CAPTION>
                                                                                                 Net
                                                                                               Loss on
                                      Additional                        Unearned   Unearned  Securities
                             Common     Paid-in   Retained   Treasury     ESOP       Stock   Available-
                              Stock     Capital   Earnings     Stock     Shares     Awards    for-Sale     Total
                              -----     -------   --------     -----     ------     ------    --------     -----
<S>                         <C>        <C>        <C>        <C>        <C>        <C>        <C>        <C>    
Balance
  January 1, 1996           $     50   $  3,677   $  5,233   $   (460)  $   (149)  $   (31)   $  (448)   $ 7,872

Net loss                           -          -       (158)         -          -         -          -       (158)

Amortization of RRPs               -          -          -          -          -         5          -          5

Exercise of stock
  options, 8,512 shares            1         67          -          -          -         -          -         68

Release of earned ESOP
  shares, 6,780 shares             -         53          -          -         54         -          -        107

Purchase of treasury stock,
  55,532 shares                    -          -          -       (890)         -         -          -       (890)

Increase in fair value
  of securities available-
  for-sale net of income
  taxes of $166                    -          -          -          -          -         -        321        321
                            --------   --------   --------   --------   --------   -------    -------    -------


Balance at
  December 31, 1996               51      3,797      5,075     (1,350)       (95)      (26)      (127)     7,325

Net income                         -          -        124          -          -         -          -        124

Amortization of RRPs               -          -          -          -          -         1          -          1

Exercise of stock
  options, 250 shares              -          7          -          -          -         -          -          7

Release of earned ESOP
  shares, 6,780 shares             -         60          -          -         54         -          -        114

Purchase of treasury stock,
  9,727 shares                     -          -          -       (155)         -         -          -       (155)

Increase in fair value
  of securities available-
  for-sale net of income
  taxes of $113                    -          -          -          -          -         -        215        215
                            --------   --------   --------   --------   --------   -------    -------    -------


Balance at
  December 31, 1997         $     51   $  3,864   $  5,199   $ (1,505)  $    (41)  $   (25)   $    88    $ 7,631
                            ========   ========   ========   ========   ========   =======    =======    =======
</TABLE>

                                                                             18.


<PAGE>   19


                          FIRST FINANCIAL BANCORP, INC.
                      CONSOLIDATED STATEMENTS OF CASH FLOWS
                     Years ended December 31, 1997 and 1996
                                 (In thousands)

<TABLE>
<CAPTION>
                                                                               1997           1996
                                                                               ----           ----
<S>                                                                       <C>            <C>         
CASH FLOWS FROM OPERATING ACTIVITIES
     Net income (loss)                                                    $       124    $      (158)
     Adjustments to reconcile net income (loss) to net
       cash provided by (used in) operating activities
         Amortization of:
              Premiums, discounts, and deferred fees on
                loans and securities                                               13             25
              Net excess servicing fees and originated
                mortgage servicing rights                                          34             32
              Stock award plans                                                     1              5
              Employee stock ownership plan                                       114            107
         Provision for losses on loans                                             88            182
         (Gain) loss on sale of:
              Loans                                                                24            (87)
              Securities                                                          171            415
              Premises and equipment                                                -             10
         Depreciation of premises and equipment                                   138            114
         Originations of loans held for sale, net of
           origination fees and principal collected                           (12,188)        (6,532)
         Proceeds from sales of loans held for sale                             9,929          6,939
         Change in:
              Deferred income tax                                                  22            (14)
              Accrued interest receivable                                          (9)           (64)
              Other assets                                                        (67)          (364)
              Other liabilities                                                    15             38
                                                                          -----------    -----------
                  Net cash (used in) provided by operations                    (1,591)           648
                                                                          ------------   -----------

CASH FLOWS FROM INVESTING ACTIVITIES
     Loan originations net of principal collected on loans                      3,678        (16,374)
     Purchases of:
         Loan participations                                                   (2,176)        (7,763)
         Mortgage-backed securities available-for-sale                              -         (1,753)
         Securities available-for-sale                                        (15,746)        (4,900)
         Certificates of deposit                                               (3,098)             -
         Federal Home Loan Bank Stock                                               -           (667)
     Proceeds from:
         Sales of loans                                                        19,685              -
         Sales of securities available-for-sale                                   166          3,744
         Sales of mortgage-backed securities available-for-sale                 6,954              -
         Maturities and calls of securities available-for-sale                  6,050          6,050
         Maturities and calls of securities held-to-maturity                       75            200
         Maturities of certificates of deposit                                    999              -
</TABLE>

                                   (Continued)

                                                                             19.

<PAGE>   20


                          FIRST FINANCIAL BANCORP, INC.
                      CONSOLIDATED STATEMENTS OF CASH FLOWS
                     Years ended December 31, 1997 and 1996
                                 (In thousands)



<TABLE>
<CAPTION>
                                                                              1997           1996
                                                                              ----           ----
<S>                                                                      <C>            <C>        
CASH FLOWS FROM INVESTING ACTIVITIES (continued)
         Sales of Federal Home Loan Bank stock                           $       238    $         -
         Sales of REO                                                            122              -
     Principal collected on mortgage-backed securities and
       collateralized mortgage obligations                                       717          1,303
     Purchases of premises and equipment                                        (643)          (709)
                                                                         -----------    -----------
         Net cash provided by (used in) investing activities                  17,021        (20,869)
                                                                         -----------    -----------

CASH FLOWS FROM FINANCING ACTIVITIES
     Net increase (decrease) in deposit accounts                               1,712           (392)
     Net (decrease) increase in advances from the
       Federal Home Loan Bank                                                (13,750)        20,450
     Issuance of common stock                                                      7             68
     Repurchases of common stock                                                (155)          (890)
     Net (decrease) increase in advance payments by borrowers
       for taxes and insurance                                                  (137)            79
                                                                         -----------    -----------
         Net cash provided by (used in) financing activities                 (12,323)        19,315
                                                                         -----------    -----------

Net increase (decrease) in cash                                                3,107           (906)

Cash and cash equivalents at beginning of year                                 1,652          2,558
                                                                         -----------    -----------

CASH AND CASH EQUIVALENTS AT END OF YEAR                                 $     4,759    $     1,652
                                                                         ===========    ===========

Supplemental disclosures of cash flow information 
     Cash paid for:
         Interest                                                        $     3,837    $     3,679
         Income taxes (refunded)                                                (179)            70

     Noncash items
         Transfer of held for sale loans to portfolio                              -             41
         Transfer of portfolio loans to REO                                      122              -
</TABLE>


          See accompanying notes to consolidated financial statements.


                                                                             20.
<PAGE>   21


                          FIRST FINANCIAL BANCORP, INC.
                   NOTES TO CONSOLIDATED FINANCIAL STATEMENTS
                           December 31, 1997 and 1996


NOTE 1 - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES

The following is a description of the significant accounting policies used by
First Financial Bancorp, Inc. (Company) in the preparation of the accompanying
consolidated financial statements.

Description of the Business: First Financial Bancorp, Inc. is the holding
company for its wholly-owned subsidiary, First Federal Savings Bank (Bank), a
federally chartered stock savings bank, and its principal business is the
operation of the Bank.

The Bank's operations consist principally of originating and servicing
residential first mortgage loans secured by properties in northern Illinois from
its facilities in Belvidere and Rockford, Illinois. In addition, the Bank
provides consumer and commercial banking services. The Bank also offers
brokerage and insurance services through its wholly-owned subsidiary, First
Financial Services of Belvidere, Illinois, Inc. Substantially all of the Bank's
income and assets are derived from these activities, conducted primarily with
customers located in northern Illinois.

Principles of Consolidation: The accompanying consolidated financial statements
include the accounts of the Company and the accounts of the Bank and its
wholly-owned subsidiary. All significant intercompany transactions and balances
have been eliminated in consolidation.

Use of Estimates: The preparation of financial statements in conformity with
generally accepted accounting principles requires management to make estimates
and assumptions that affect the reported amount of assets and liabilities and
disclosure of contingent assets and liabilities at the date of the financial
statements and the reported amounts of income and expenses during the reporting
period. Actual results could differ from those estimates. The collectibility of
loans, fair values of financial instruments, and status of contingencies are
particularly subject to change.

Cash and Cash Equivalents: For the purpose of the statement of cash flows, cash
and cash equivalents include cash on hand, amounts due from banks, and interest
earning-deposits with original maturities of three months or less. Net cash
flows are reported for customer loan and deposit transactions and
interest-bearing deposits with other banks.

Securities: Securities are classified as held-to-maturity when the Company has
the positive intent and management has the ability to hold those securities to
maturity. Accordingly, they are stated at cost, adjusted for amortization of
premiums and accretion of discounts. All other securities are classified as
available-for-sale since the Company may decide to sell those securities in
response to changes in market interest rates, liquidity needs, changes in yields
or alternative investments, and for other reasons. These securities are carried
at fair value with unrealized gains and losses charged or credited, net of
income taxes, to a valuation allowance included as a separate component of
stockholders' equity. Realized gains and losses on disposition are based on the
net proceeds and the adjusted carrying amounts of the securities sold, using the
specific identification method.

                                  (Continued)

                                                                             21.

<PAGE>   22

                          FIRST FINANCIAL BANCORP, INC.
                   NOTES TO CONSOLIDATED FINANCIAL STATEMENTS
                           December 31, 1997 and 1996


NOTE 1 - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Continued)

Loans Held for Sale: Loans held for sale are reported at the lower of cost, less
applicable deferred loan fees, or estimated fair value in the aggregate.

Loans Receivable, Net: Loans receivable, net are reported at the principal
balance outstanding, net of deferred loan fees and costs, loans in process, the
allowance for loan losses, unearned discounts, and charge-offs.

Loan fees and certain direct origination costs are deferred, and the net
deferred fee or cost is recognized as an adjustment to yield using the
level-yield method over the life of the loans.

Allowance for Loan Losses: The allowance for loan losses is a valuation
allowance, increased by the provision for loan losses and decreased by
charge-offs less recoveries. Management estimates the allowance balance required
based on past loan loss experience, known and inherent risks in the portfolio,
information about specific borrower situations and estimated collateral values,
economic conditions, and other factors. Because of uncertainties inherent in the
estimation process, management's estimation of credit losses inherent in the
loan portfolio and the related allowance may change materially in the near term.
Allocations of the allowance may be made for specific loans, but the entire
allowance is available for any loans that, in management's judgment, should be
charged-off.

Loan impairment is determined when full payment under the loan term is not
expected. Impairment is evaluated in total for smaller-balance loans of similar
nature such as the Company's residential mortgage, consumer, and credit card
loans and on an individual loan basis for other loans. If a loan is impaired, a
portion of the allowance is allocated so that the loan is reported, net, at the
present value of estimated future cash flows using the loan's existing rate, or
loan's market price or the fair value of the collateral, if the loan is
collateral dependent. Loans are evaluated for impairment when payments are
delayed, typically 90 days or more, or when the internal grading system
indicates a doubtful classification.

Premises and Equipment: Land is carried at cost. Bank premises, furniture, and
equipment are reported net of accumulated depreciation. Depreciation is recorded
on the straight-line and accelerated methods over the estimated useful lives of
the related assets.

Mortgage Servicing Rights: The Company allocates the cost of mortgage servicing
rights (MSR) on mortgages originated which have been sold. The allocation of the
total cost of the mortgages to MSR and the mortgages (without MSR) is based upon
their relative fair values. Servicing rights are then expensed in proportion to,
and over the period of, estimated net servicing revenues. Impairment is
evaluated based upon the fair value of the rights. Any impairment is reported as
a valuation allowance.

                                   (Continued)

                                                                             22.
<PAGE>   23
                          FIRST FINANCIAL BANCORP, INC.
                   NOTES TO CONSOLIDATED FINANCIAL STATEMENTS
                           December 31, 1997 and 1996


NOTE 1 - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Continued)

When participating interest in mortgages sold have an average contractual
interest rate, adjusted for normal servicing fees, that differs from the agreed
yield to the purchaser, gains or losses are recognized equal to the present
value of such differential over the estimated remaining life of such loans. The
resulting excess "servicing fee receivable" or "deferred servicing revenue" is
amortized in proportion to and over the period of estimated net servicing
income.

Employee Stock Ownership Plan (ESOP): Unearned ESOP shares are reported as a
reduction of stockholders' equity in the consolidated statements of financial
condition. As ESOP shares are committed to be released, unearned ESOP shares are
credited, and compensation is charged, and the amount of the charge is based on
fair values of the committed-to-be-released shares. For purposes of computing
net income per share, ESOP shares that have been committed to be released are
considered outstanding.

Income Taxes: The provision for income taxes is based on an asset and liability
approach. The asset and liability approach requires the recognition of deferred
tax liabilities and assets for the expected future tax consequences of temporary
differences between the carrying amounts and the tax bases of assets and
liabilities.

Earnings Per Share: The Company adopted Statement of Accounting Financial
Standards (SFAS) No. 128, "Earnings per Share", as of December 31, 1997. Basic
and diluted earnings per share are computed under this standard for the year
ended December 31, 1997. All prior amounts have been restated to be comparable.
Basic earnings per share is based on net income divided by the weighted average
number of shares outstanding during the period. Diluted earnings per share shows
the dilutive effect of additional common shares issuable under stock options and
the effect of unearned stock awards.


NOTE 2 - SECURITIES

The amortized cost and fair value of securities available-for-sale are as
follows at December 31, 1997:

<TABLE>
<CAPTION>
                                             Amortized    Unrealized   Unrealized       Fair
         (Dollars in thousands)                Cost          Gains       Losses         Value
                                               ----          -----       ------         -----
<S>                                        <C>             <C>          <C>          <C>        
                  U.S. Treasury            $     2,241     $      4     $      -     $     2,245
         U.S. Agency                             8,556           20           26           8,550
         Equity                                    302          150            -             452
         Corporate                               1,782            1            -           1,783
         Commercial paper                        1,478            -            1           1,477
                                           -----------     --------     --------     -----------

                                           $    14,359     $    175     $     27     $    14,507
                                           ===========     ========     ========     ===========
</TABLE>


                                  (Continued)

                                                                             23.

<PAGE>   24
                          FIRST FINANCIAL BANCORP, INC.
                   NOTES TO CONSOLIDATED FINANCIAL STATEMENTS
                           December 31, 1997 and 1996


NOTE 2 - SECURITIES (Continued)

Contractual maturities of debt securities at December 31, 1997 were as follows.
Actual maturities will differ from contractual maturities because borrowers may
have the right to call or prepay obligations with or without call or prepayment
penalties.

<TABLE>
<CAPTION>
                                                       Securities
                                                ----Available-for-Sale-----
                                                    ------------------
                                                 Amortized        Fair
         (Dollars in thousands)                    Cost           Value
                                                   ----           -----
<S>                                             <C>            <C>        
         Due in one year or less                $    8,170     $     8,173
         Due from one to five years                  4,281           4,272
         Due from five to ten years                    401             402
         Due after ten years                         1,205           1,208
         Equity securities                             302             452
                                                ----------     -----------

                                                $   14,359     $    14,507
                                                ==========     ===========
</TABLE>

Proceeds from sales of securities available-for-sale during 1997 and 1996 were
$166,000 and $3,744,000. These sales resulted in gross gains of $69,000 in 1997
and gross losses of $415,000 in 1996.

Securities with an amortized cost of $7,492,000 at December 31, 1997 were
pledged to secure certain deposit accounts in excess of federal deposit
insurance limits and other purposes.


NOTE 3 - MORTGAGE-BACKED SECURITIES

The amortized cost and fair value of mortgage-backed securities available-for
sale and held to maturity are as follows at December 31, 1997:

<TABLE>
<CAPTION>
                                                     Amortized    Unrealized   Unrealized       Fair
     (Dollars in thousands)                            Cost          Gains       Losses         Value
                                                       ----          -----       ------         ----- 
<S>                                                  <C>          <C>          <C>          <C>      
     Available-for-sale
         GNMA                                        $   1,641    $       9    $      25    $   1,625
                                                     =========    =========    =========    =========

     Held-to-maturity
         FNMA                                        $     242    $       -    $       6    $     236
         Collateralized mortgage obligations               622            -           23          599
                                                     ---------    ---------    ---------    ---------

                                                     $     864    $       -    $      29    $     835
                                                     =========    =========    =========    =========
</TABLE>


                                  (Continued)

                                                                             24.

<PAGE>   25
                          FIRST FINANCIAL BANCORP, INC.
                   NOTES TO CONSOLIDATED FINANCIAL STATEMENTS
                           December 31, 1997 and 1996


NOTE 3 - MORTGAGE-BACKED SECURITIES (Continued)

Proceeds from sales of mortgage-backed securities and collateralized mortgage
obligations available-for-sale during 1997 were $6,954,000 which resulted in
gross losses of $240,000.

The carrying amount of mortgage-backed and related securities are net of
unamortized premiums of $64,000 at December 31, 1997.

Mortgage-backed securities with an amortized cost of $703,000 were pledged to
secure certain deposit accounts in excess of federal deposit insurance limits
and for other purposes.


NOTE 4 - LOANS RECEIVABLE, NET

Loans receivable at December 31, 1997 are summarized as follows (dollars in
thousands):

<TABLE>
<S>                                                                       <C>        
         First mortgage loans
              One-to-four-family residential                              $    32,735
              Other                                                             7,451
                                                                          -----------
                  Total first mortgage loans                                   40,186

         Home equity lines of credit                                            4,300
         Auto loans                                                             2,442
         Second mortgages                                                       1,249
         Credit card receivables                                                  754
         Other consumer loans                                                   2,309
         Commercial loans                                                       1,470
                                                                          -----------
              Total loans receivable                                           52,710

                  Less:
                      Allowance for loan losses                                   531
                      Unearned discounts, premiums, and deferred
                        loan origination fees, net                                 59
                                                                          -----------
                                                                                  590
                                                                          -----------

                                                                          $    52,120
                                                                          ===========
</TABLE>

At December 31, 1997, the Company has no loans that were classified as impaired.
The principal balance of loans for which the accrual of interest had been
discontinued totaled $825,000.

                                  (Continued)

                                                                             25.
<PAGE>   26
                          FIRST FINANCIAL BANCORP, INC.
                   NOTES TO CONSOLIDATED FINANCIAL STATEMENTS
                           December 31, 1997 and 1996


NOTE 4 - LOANS RECEIVABLE, NET (Continued)

Activity in the allowance for loan losses for the years ended December 31 is
summarized as follows:

<TABLE>
<CAPTION>
         (Dollars in thousands)                                1997       1996
                                                               ----       ----
<S>                                                          <C>        <C>    
         Allowance for loan losses
              Balance at beginning of year                   $   468    $   330
              Provision charged to income                         88        182
              Loan charge-offs                                   (27)       (44)
              Loan recoveries                                      2          -
                                                             -------    -------

                  Balance at end of year                     $   531    $   468
                                                             =======    =======
</TABLE>

Loans are made, in the normal course of business, to executive officers and
directors of the Company. The terms of these loans, including interest rates and
collateral, are similar to those prevailing for comparable transactions and
management believes these loans do not involve more than the normal risk of
collectibility.
Loans outstanding to related parties at December 31, 1997 total $229,000.


NOTE 5 - SECONDARY MORTGAGE MARKET OPERATIONS

The Company's financial data with respect to its secondary mortgage market
operations at and for the years ended December 31 is summarized as follows:

<TABLE>
<CAPTION>
         (Dollars in thousands)                                   1997       1996
                                                                  ----       ----
<S>                                                             <C>        <C>    
         Revenues (direct)
              Gain (loss) on sales of loans                     $   (24)   $    87
              Servicing fees on loans sold                          171        150
                                                                -------    -------

                                                                $   147    $   237
                                                                =======    =======
         Identifiable expenses (direct)
              Amortization of mortgage servicing rights         $    34    $    32
              Servicing fees on loans sold                            1          1
                                                                -------    -------

                                                                $    35    $    33
                                                                =======    =======
         Identifiable assets (direct)
              Mortgage servicing rights                         $   228    $   102
              Valuation allowance on MSR                            (16)       (15)
                                                                -------    -------

                                                                $   212    $    87
                                                                =======    =======
</TABLE>


                                  (Continued)


                                                                             26.
<PAGE>   27
                          FIRST FINANCIAL BANCORP, INC.
                   NOTES TO CONSOLIDATED FINANCIAL STATEMENTS
                           December 31, 1997 and 1996


NOTE 5 - SECONDARY MORTGAGE MARKET OPERATIONS (Continued)

Mortgage loans serviced for others are not included in the accompanying
consolidated statement of financial condition. Mortgage loans serviced are
primarily for Federal Home Loan Mortgage Corporation and Federal National
Mortgage Association. The unpaid principal balances on these loans at December
31 are summarized as follows:

<TABLE>
<CAPTION>
         (Dollars in thousands)                              1997           1996
                                                             ----           ----
<S>                                                      <C>            <C>        
         Sold with recourse                              $    1,234     $     1,583
         Sold without recourse                               68,006          51,019
                                                         ----------     -----------

                                                         $   69,240     $    52,602
                                                         ==========     ===========
</TABLE>

Custodial escrow balances maintained in connection with the foregoing loan
servicing were $1,429,000 and $533,000 at December 31, 1997 and 1996,
respectively.

Activity in net mortgage servicing rights for the year ended December 31 is
summarized as follows:
<TABLE>
<CAPTION>

         (Dollars in thousands)                             1997           1996
                                                            ----           ----
<S>                                                      <C>            <C>        
         Net balance at beginning of year                $       87     $        88
         Additions                                              159              31
         Amortization                                           (24)            (17)
         Sales                                                   (9)              -
         Provision for impairment                                (1)            (15)
                                                         ----------     -----------

                                                         $      212     $        87
                                                         ==========     ===========
</TABLE>


NOTE 6 - PREMISES AND EQUIPMENT

Premises and equipment at December 31, 1997 are summarized as follows (dollars
in thousands):

<TABLE>
<S>                                                                               <C>     
                         Land                                                     $    684
                         Office buildings and improvements                             591
                         Furniture, fixtures and equipment                           1,018
                         Facility under construction                                   559
                                                                                  --------
                                                                                     2,852
                         Less accumulated depreciation                                 961
                                                                                  --------
                                                                                  $  1,891
                                                                                  ========
</TABLE>


                                   (Continued)

                                                                             27.
<PAGE>   28
                          FIRST FINANCIAL BANCORP, INC.
                   NOTES TO CONSOLIDATED FINANCIAL STATEMENTS
                           December 31, 1997 and 1996


NOTE 7 - DEPOSIT ACCOUNTS

Deposit accounts at December 31, 1997 are summarized as follows (dollars in
thousands):

<TABLE>
<S>                                                                       <C>        
                  Non-interest-bearing demand deposit accounts            $     4,371
                  Interest-bearing demand deposit accounts                      4,826
                  Passbook and club accounts                                    8,765
                  Money market demand accounts                                  6,760
                  Certificates of deposit                                      42,828
                                                                          -----------

                                                                          $    67,550
                                                                          =========== 
</TABLE>

The aggregate  amount of jumbo  certificates  of deposit with a minimum 
denomination of $100,000 was $8,989,000 at December 31, 1997.

At December 31, 1997, the scheduled maturities of certificates of deposit are as
follows (dollars in thousands):

<TABLE>
<S>                                                                     <C>        
                  1998                                                    $    20,058
                  1999                                                          7,440
                  2000                                                         13,293
                  2001                                                          1,518
                  2002 and thereafter                                             519
                                                                          -----------

                                                                          $    42,828
                                                                          =========== 
</TABLE>


NOTE 8 - ADVANCES FROM FEDERAL HOME LOAN BANK (FHLB)

FHLB advances at December 31, 1997 are summarized as follows (dollars in
thousands):

<TABLE>
<CAPTION>
                                                                    Weighted
                                                                    Interest        Amount
                                                                      Rate        Outstanding
                                                                      ----        -----------
<S>                                                                <C>            <C>      
         Advances from Federal Home Loan Bank
              Fixed rate due in 1998                                     5.94%     $   6,700
                                                                    =========      =========
</TABLE>

The Company adopted a collateral pledge agreement and agreed to keep on hand,
free of all other pledges, liens, and encumbrances, first mortgages with unpaid
principal balances aggregating no less than 167% of the outstanding secured
advances of the Federal Home Loan Bank. All stock in the Federal Home Loan Bank
of Chicago is also pledged as additional collateral for advances.



                                  (Continued)

                                                                             28.
<PAGE>   29
                          FIRST FINANCIAL BANCORP, INC.
                   NOTES TO CONSOLIDATED FINANCIAL STATEMENTS
                           December 31, 1997 and 1996


NOTE 9 - INCOME TAXES

The provision (benefit) for income taxes for the years ended December 31 is
summarized as follows (dollars in thousands):

<TABLE>
<CAPTION>
                                                                                      1997         1996
                                                                                      ----         ----    
<S>                                                                                 <C>          <C>          
                         Current                                                    $      26    $     (88)
         Deferred                                                                           6           18
         Change in valuation allowance                                                     16          (32)
                                                                                    ---------    ---------

                                                                                    $      48    $    (102)
                                                                                    =========    =========
</TABLE>

A reconciliation of income taxes computed at the statutory federal income tax
rate to actual income taxes recorded above for the years ended December 31 is
summarized as follows:

<TABLE>
<CAPTION>
                                                                                       1997        1996
                                                                                       ----        ---- 
<S>                                                                                <C>           <C>    
         Statutory federal income tax rate                                              34.0%        (34.0)%
         Tax exempt income and officers' life insurance                                 (1.4)         (0.2)
         Other, net                                                                     (5.0)         (5.0)
                                                                                     -------      --------

                                                                                        27.6%        (39.2)%
                                                                                     =======      ========
</TABLE>

No state income taxes were recorded in 1997 and 1996 as a result of excess
qualifying U.S. Government interest, which is tax exempt under Illinois
statutes.

The tax effects of existing temporary differences that give rise to significant
portions of the deferred tax assets and deferred tax liabilities at December 31,
1997 are summarized as follows (dollars in thousands):

<TABLE>
<S>                                                                                              <C>
         Deferred tax assets
              Deferred loan origination fees                                                     $      25
              Bad debt deduction                                                                       135
              Deferred compensation                                                                     60
              Illinois net operating loss carry forwards                                                54
              Other                                                                                      2
                                                                                                 ---------
                                                                                                       276
              Valuation allowance                                                                      (54)
                                                                                                 ---------
                                                                                                       222
         Deferred tax liabilities
              Unrealized gain on securities available-for-sale                                          44
              Depreciation                                                                              30
              FHLB stock dividends, net                                                                 33
              Mortgage servicing rights                                                                 86
                                                                                                 ---------
                                                                                                       193
                                                                                                 ---------
                  Net tax deferred assets                                                        $      29
                                                                                                 =========
</TABLE>


                                  (Continued)


                                                                             29.
<PAGE>   30

                          FIRST FINANCIAL BANCORP, INC.
                   NOTES TO CONSOLIDATED FINANCIAL STATEMENTS
                           December 31, 1997 and 1996


NOTE 9 - INCOME TAXES (Continued)

Management has recorded a valuation allowance to reduce deferred tax assets to
the amount which it estimates will be realized. The Illinois net operating
losses of approximately $1,141,000 expire in years 2000 through 2011.

The Bank has qualified under provisions of the Internal Revenue Code which
permit it to deduct from taxable income a provision for bad debts which differs
from the provision charged to income on the financial statements. Tax
legislation passed in August 1996 now requires all thrift institutions to deduct
a provision for bad debts for tax purposes based on actual loss experience and
recapture the excess bad debt reserve accumulated in the tax years after 1987.
Retained earnings at December 31, 1997 includes approximately $1,181,000,
consisting of bad debt deductions accumulated prior to 1987, for which no
deferred federal income tax liability has been recognized.


NOTE 10 - BENEFIT PLANS

     Profit-sharing plan:

         The Company has a profit sharing plan which meets the qualifications of
         Section 401(k) of the Internal Revenue Code (Code). Under the plan,
         employees 21 years of age or older with one year of service and 1,000
         hours of service during that period may make pre-tax contributions up
         to applicable limits under the Code. Employees are 100% vested in their
         contributions. Contributions by the Company are discretionary.
         Discretionary employer contributions vest at a rate of 20% per year
         beginning on the third year of service by an employee. Contributions
         totaled $13,000 and $9,000 in 1997 and 1996, respectively.

     Employee stock ownership plan:

         The Company has an employee stock ownership plan (ESOP) that covers
         employees 21 years of age or older with one year of service and 1,000
         hours of service during that period. The ESOP borrowed $271,000 from
         the Company to purchase 33,903 shares of the Company's stock at $8.00
         per share on October 1, 1993. The Company has agreed to make scheduled
         contributions to the ESOP sufficient to service the amount borrowed by
         the ESOP. Contributions made to the ESOP totaled $54,000 in 1997 and
         1996. Compensation expense recognized on the ESOP amounted to $114,000
         and $107,000 in 1997 and 1996, respectively. Unearned ESOP shares
         totaling 5,088, with a carrying amount of $41,000, is reported as a
         reduction to stockholder's equity in the consolidated statement of
         financial condition at December 31, 1997. The fair value of unearned
         ESOP shares approximated $95,000 at December 31, 1997.



                                  (Continued)

                                                                             30.
<PAGE>   31

                          FIRST FINANCIAL BANCORP, INC.
                   NOTES TO CONSOLIDATED FINANCIAL STATEMENTS
                           December 31, 1997 and 1996


NOTE 10 - BENEFIT PLANS (Continued)

     The ESOP shares were as follows:

<TABLE>
<CAPTION>
                                                                                          1997
                                                                                          ----     
<S>                                                                                   <C>   
                  Allocated                                                                22,035
                  Committed to be released                                                  6,780
                  Suspense shares                                                           5,088
                                                                                      -----------

                      Total                                                                33,903
                                                                                      ===========         
</TABLE>

     Stock option plans:

         The Company has two stock option plans which grant options to
         individuals to purchase common stock of the Company at a price equal to
         the fair market value at the date of grant, subject to the terms and
         conditions of the plans. The term of the stock options will not exceed
         ten years from the date of grant. 8,747 shares have been authorized
         under the incentive stock option plan for employees, and the options
         are exercisable on a cumulative basis in equal installments at a rate
         of 20% per year commencing at the date of grant. On October 1, 1993,
         36,499 options were granted under the plan to employees at an exercise
         price of $8.00 per share. 9,687 shares have been authorized under the
         stock option plan for outside directors, and the options are
         exercisable on the date of grant. On October 1, 1993, 5,861 options
         were granted under the plan to outside directors at an exercise price
         of $8.00 per share. During 1995 and 1996, additional options were
         granted to employees under the plan. Information about option grants
         are as follows:

<TABLE>
<CAPTION>
                                                                                                   Weighted
                                                                                                    Average
                                                                                 Number of         Exercise
                                                                                  Options            Price
                                                                                  -------            -----
<S>                                                                           <C>             <C>        
         Outstanding at January 1, 1996                                             26,444       $     8.290
         Granted                                                                     2,400            15.500
         Exercised                                                                  (8,512)            8.000
         Forfeited                                                                  (6,358)            8.000
                                                                                ----------       -----------
              Outstanding at December 31, 1996                                      13,974             9.830

         Granted                                                                         -                -
         Exercised                                                                    (250)            8.000
         Forfeited                                                                  (1,210)            8.000
                                                                                ----------       -----------

              Outstanding at December 31, 1997                                      12,514       $    10.040
                                                                                ==========       ===========

</TABLE>


                                  (Continued)

                                                                             31.
<PAGE>   32

                          FIRST FINANCIAL BANCORP, INC.
                   NOTES TO CONSOLIDATED FINANCIAL STATEMENTS
                           December 31, 1997 and 1996


NOTE 10 - BENEFIT PLANS (Continued)

         Options granted and exercisable at December 31, 1997 are 11,094 at a
         weighted average price of $9.35. At December 31, 1997, the range of the
         exercisable price is $8.00 to $15.625 with an average remaining life of
         6 years.

         The Company accounts for its stock option plan under Accounting
         Principle Board Opinion (APBO) No. 25, "Accounting for Stock Issued to
         Employees". Accordingly, no compensation expense has been recognized
         for the 1997 stock option plan in the financial statements. Statement
         of Financial Accounting Standards (SFAS) No. 123 "Accounting for Stock
         Based Compensation", became effective for the first time in 1996. This
         statement prescribes new methods for determining compensation expense
         under stock option plans, but allows corporations to use APBO No. 25 if
         they provide pro forma information computed under the new standard. Had
         compensation cost been computed under the methodology contained in SFAS
         No. 123, net income would have been reduced by approximately $2,440 and
         $5,580 for 1997 and 1996, respectively, with no effect on earnings per
         share. In future years, the pro forma effect of not applying the
         standard is expected to increase as additional options are granted. The
         weighted average fair value of the options granted during 1996 is
         estimated at $4.58 on the date of grant using the Black-Scholes option
         value model with the following assumptions: dividend yield of 0, a risk
         free interest rate of 6.5%, expected volatility of stock price of
         11.90%, an assumed forfeiture rate of 0%, and an average life of five
         years.

     Management recognition and retention plans and trusts:

         The Company has two management recognition plans and trusts (RRPs) as a
         method of providing officers and outside directors with a proprietary
         interest in the Company. Such awards are to be earned by the
         individuals, subject to terms of the RRPs. Stock awarded under the plan
         will vest on a cumulative basis in equal installments at a rate of
         33-1/3% per year commencing one year from the date of grant or as
         specified by plan trustees. The number of shares held by the RRPs
         totaled 19,374 shares. On October 1, 1993, 18,471 shares were granted
         to officers and outside directors. The cost of the awards are amortized
         on the straight-line basis over the vesting terms. Compensation expense
         under these plans amounted to $1,000 and $5,000 in 1997 and 1996,
         respectively.


                                  (Continued)


                                                                             32.
<PAGE>   33

                          FIRST FINANCIAL BANCORP, INC.
                   NOTES TO CONSOLIDATED FINANCIAL STATEMENTS
                           December 31, 1997 and 1996


NOTE 11 - EARNINGS PER SHARE

A reconciliation of the numerators and denominators for earnings per common
share computations for the years ended December 31 is presented below (dollars
and shares in thousands).

<TABLE>
<CAPTION>
                                                                                  1997         1996
                                                                                  ----         ----
<S>                                                                           <C>          <C>       
                                             BASIC EARNINGS PER SHARE

         Net income (loss) available to common stockholders                   $     124    $    (158)
                                                                              =========    =========

         Weighted average common shares outstanding                                 403          442
                                                                              =========    =========

              BASIC EARNINGS PER SHARE                                              .31         (.36)
                                                                              =========    =========

     EARNINGS PER SHARE ASSUMING DILUTION
         Net income (loss) available to common stockholders                   $     124    $    (158)
                                                                              =========    =========

         Weighted average common shares outstanding                                 403          442
         Add:  dilutive effect of assumed exercises:
              Incentive stock options                                                 5            5
                                                                              ---------    ---------
         Weighted average common and dilutive
           potential shares outstanding                                             408          447
                                                                              =========    =========

              DILUTED EARNINGS PER SHARE                                           0.30        (0.36)
                                                                              =========    =========
</TABLE>


NOTE 12 - REGULATORY MATTERS

The Bank is subject to regulatory capital requirements administered by the
federal regulatory agencies. Capital adequacy guidelines and prompt corrective
action regulations involve quantitative measures of assets, liabilities, and
certain off-balance-sheet items calculated under regulatory accounting
practices. Capital amounts and classifications are also subject to qualitative
judgements by regulators about components, risk weightings, and other factors,
and the regulators can lower classifications in certain cases. Failure to meet
various capital requirements can initiate regulatory action that could have a
direct material effect on the financial statements.

The prompt corrective action regulations provide five classifications, including
well capitalized, adequately capitalized, undercapitalized, significantly
undercapitalized, and critically undercapitalized, although these terms are not
used to represent overall financial condition. If adequately capitalized,
regulatory approval is required to accept brokered deposits. If
undercapitalized, capital distributions are limited as is asset growth and
expansion, and plans for capital restoration are required.


                                  (Continued)

                                                                             33.

<PAGE>   34

                          FIRST FINANCIAL BANCORP, INC.
                   NOTES TO CONSOLIDATED FINANCIAL STATEMENTS
                           December 31, 1997 and 1996


NOTE 12 - REGULATORY MATTERS (Continued)

At year-end, the Bank's regulators categorized the Bank as well capitalized.
Actual capital levels (in millions) and minimum capital required levels were:

<TABLE>
<CAPTION>
                                                                                             Minimum Required
                                                                                                to Be Well
                                                                        Minimum Required     Capitalized Under
                                                                           for Capital       Prompt Corrective
                                                        Actual          Adequacy Purposes   Action Regulations
                                                        ------          -----------------   ------------------
December 31, 1997                                 Amount     Ratio      Amount    Ratio       Amount     Ratio
                                                  ------     -----      ------    -----       ------     -----
<S>                                              <C>        <C>        <C>         <C>        <C>         <C>               
Total capital (to risk-weighted assets)          $  7.7     15.4%      $  4.0      8.0%        $  5.0     10.0%
Tier 1 (core) capital (to risk-weighted
  assets)                                        $  7.2     14.4%      $  2.0      4.0%        $  3.0      6.0%
Tier 1 (core) capital (to adjusted total
  assets)                                        $  7.2      8.6%      $  2.5      3.0%        $  4.1      5.0%
Tier 1 capital to average assets                 $  7.2      8.1%      $  3.5      4.0%        $  4.4      5.0%
Tangible capital (to adjusted total
  assets)                                        $  7.2      8.6%      $  1.2      1.5%        N/A         N/A
</TABLE>

Federal regulations require the Bank to comply with a Qualified Thrift Lender
(QTL) test which requires that 65% of assets be maintained in housing-related
finance and other specified assets. If the QTL test is not met, limits are
placed on growth, branching, new investments, FHLB advances, and dividends or
the institution must convert to a commercial bank charter. Management considers
the QTL test to have been met.

On October 1, 1993, the Bank converted from a federally-chartered mutual savings
and loan association to a federally chartered stock savings bank subsidiary of
First Financial Bancorp, Inc. (Company), a newly formed and registered savings
bank holding company. The Company issued 484,338 shares of common stock at $8.00
per share. The net proceeds, after deducting conversion expenses of $401,000
were $3,473,000 and were recorded as common stock and additional paid-in capital
in the consolidated statement of financial condition. The Company used
$2,200,000 of the net proceeds to acquire all the common stock of the Bank.

As part of the conversion to the stock form of ownership on October 1, 1993, the
Bank established a liquidation account for the benefit of eligible depositors as
of December 31, 1992, the eligibility record date, who continue to maintain
deposits in the Bank after the conversion. The initial balance of the
liquidation account was equal to the retained earnings of the Bank as of
December 31, 1992. In the unlikely event of a complete liquidation of the Bank
each eligible account holder would receive from the liquidation account, a
liquidation distribution based on their proportionate share of the then total
remaining qualifying deposits, prior to any distribution with respect to the
Bank's capital stock.


                                  (Continued)

                                                                             34.

<PAGE>   35
                          FIRST FINANCIAL BANCORP, INC.
                   NOTES TO CONSOLIDATED FINANCIAL STATEMENTS
                           December 31, 1997 and 1996


NOTE 13 - FINANCIAL INSTRUMENTS WITH OFF-BALANCE-SHEET RISK,
  COMMITMENTS, AND CONTINGENCIES

The Company is a party to financial instruments with off-balance-sheet risk in
the normal course of business to meet the financing needs of its customers and
to reduce its own exposure to fluctuations in interest rates. These financial
instruments include commitments to extend credit and previously approved unused
lines of credit. Those instruments involve, to varying degrees, elements of
credit and interest-rate risk in excess of the amount recognized in the
statement of financial condition.

The Company's exposure to credit loss in the event of nonperformance by the
other party to the financial instrument for commitments to extend credit and
previously approved unused lines of credit is represented by the contractual
amount of those instruments. The Company uses the same credit policies in making
commitments and conditional obligations as it does for loans recorded in the
statement of financial condition. Financial instruments whose contract amounts
represent credit risk at December 31, 1997 are summarized as follows (in
thousands):

<TABLE>
<S>                                                                           <C>      
     Commitments to originate loans; rates range from 7.250% to 9.500%         $   1,692
     Unused lines of credit                                                        5,158
     Standby letters of credit                                                       146
     Commitments to purchase loan participations                                   1,396
</TABLE>

At December 31, 1997, the Company serviced mortgage loans with unpaid principal
balances of $1,234,000 which were sold under agreements for which the buyers
have recourse options. The Company does not anticipate any significant losses as
a result of these agreements.


NOTE 14 - FAIR VALUES OF FINANCIAL INSTRUMENTS

Corporations are required to disclose fair value information about their
financial instruments. SFAS No. 107 defines the fair value of a financial
instrument as the amount at which the instrument could be exchanged in a current
transaction between willing parties, other than in a forced or liquidation sale.
The methods and assumptions used to determine fair values for each class of
financial instruments are presented below:

The estimated fair value for cash and cash equivalents, interest-bearing
deposits with financial institutions, Federal Home Loan Bank stock, accrued
interest receivable, mortgage servicing rights, NOW, money market and savings
deposits, short-term borrowings, and accrued interest payable are considered to
approximate their carrying values. The estimated fair value for securities
available-for-sale and securities held-to-maturity are based on quoted market
values for the individual securities or for equivalent securities. The estimated
fair value for portfolio loans is based on estimates of the rate the Company
would charge for similar loans at December 31, 1997 applied for the time period
until the estimated payment. The estimated fair value of loans held for

                                  (Continued)

                                                                             35.

<PAGE>   36
                          FIRST FINANCIAL BANCORP, INC.
                   NOTES TO CONSOLIDATED FINANCIAL STATEMENTS
                           December 31, 1997 and 1996


NOTE 14 - FAIR VALUES OF FINANCIAL INSTRUMENTS (Continued)

sale is based on the prevailing secondary market prices for similar loans at
December 31, 1997. The estimated fair value of certificates of deposit is based
on estimates of the rate the Company would pay on such deposits at December 31,
1997 applied for the time period until maturity. The estimated fair value of
Federal Home Loan Bank advances is based on the estimate of the rate the Company
would pay for such advances at December 31, 1997 for a time period until
maturity. Loan commitments are not included in the table below as their
estimated fair value is immaterial.

<TABLE>
<CAPTION>
                                                                                                 Estimated
                         (Dollars in thousands)                                   Carrying          Fair
                                                                                    Value          Value
                                                                                    -----          -----      
<S>                                                                             <C>            <C>        
         Financial instruments in assets
              Cash on hand and in banks                                         $    4,759     $     4,759
              Securities available-for-sale                                         14,507          14,507
              Mortgage-backed securities available-for-sale                          1,625           1,625
              First mortgage loans held for sale                                     2,352           2,366
              Mortgage-backed securities                                               864             835
              Certificates of deposit                                                2,099           2,101
              Loans receivable, net                                                 52,120          53,192
              Federal Home Loan Bank stock                                             910             910
              Mortgage servicing rights                                                212             212
              Accrued interest receivable                                              526             526

         Financial instrument liabilities
              DDA, NOW, money market, and passbook savings                          24,722          24,722
              Certificates of deposit                                               42,828          43,312
              FHLB advances                                                          6,700           6,699
              Accrued interest payable                                                 144             144
</TABLE>

Other assets and liabilities of the Company that are not defined as financial
instruments such as property and equipment, are not included in the above
disclosures. Also not included are nonfinancial instruments typically not
recognized in financial statements such as loan servicing rights (originated
prior to January 1, 1995), customer goodwill, and similar items.

While the above estimates are based on management's judgement of the most
appropriate factors, there is no assurance that were the Company to have
disposed of these items on December 31, 1997, the fair values would have been
achieved, because the market value may differ depending on the circumstances.
The estimated fair values at December 31, 1997 should not necessarily be
considered to apply at subsequent dates.

                                  (Continued)

                                                                             36.
<PAGE>   37
                          FIRST FINANCIAL BANCORP, INC.
                   NOTES TO CONSOLIDATED FINANCIAL STATEMENTS
                           December 31, 1997 and 1996


NOTE 15 - FIRST FINANCIAL BANCORP, INC. (PARENT COMPANY)

Presented below are the parent company's condensed balance sheet, condensed
statements of income, and condensed statements of cash flows:

                             CONDENSED BALANCE SHEET
                                December 31, 1997
                                 (In thousands)
<TABLE>
<S>                                                                      <C>
ASSETS
Cash and cash equivalents                                                $       232
Securities available-for-sale                                                    191
Loans receivable for ESOP                                                         61
Investment in subsidiary                                                       7,189
Other assets                                                                      21
                                                                         -----------  
     Total assets                                                        $     7,694
                                                                         ===========

LIABILITIES AND STOCKHOLDERS' EQUITY
Liabilities
    Other liabilities                                                    $        63

Stockholders' equity
     Common stock                                                                 51
     Additional paid-in capital                                                3,864
     Retained earnings                                                         5,199
     Treasury stock                                                           (1,505)
     Other                                                                        22
                                                                         -----------
         Total stockholders' equity                                            7,631
                                                                         -----------
              Total liabilities and stockholders' equity                 $     7,694
                                                                         ===========
</TABLE>


                                  (Continued)

                                                                             37.

<PAGE>   38
                          FIRST FINANCIAL BANCORP, INC.
                   NOTES TO CONSOLIDATED FINANCIAL STATEMENTS
                           December 31, 1997 and 1996


NOTE 15 - FIRST FINANCIAL BANCORP, INC. (PARENT COMPANY) (Continued)

                         CONDENSED STATEMENTS OF INCOME
                     Years ended December 31, 1997 and 1996
                                 (In thousands)
<TABLE>
<CAPTION>

                                                                              1997         1996
                                                                              ----         ----
Income
<S>                                                                        <C>          <C>      
     Interest income                                                       $      12    $      12
     Gains on sales of securities                                                 69            -
                                                                           ---------    ---------
         Total income                                                             81           12

Expense
     Professional fees                                                            25           14
     Other                                                                        33           31
                                                                           ---------    ---------
         Total expense                                                            58           45
                                                                           ---------    ---------


INCOME (LOSS) BEFORE INCOME TAX PROVISION (BENEFIT) AND EQUITY
  IN UNDISTRIBUTED NET INCOME (LOSS) OF SUBSIDIARY                                23          (33)

Income taxes (benefit)                                                             8          (11)
                                                                           ---------    ---------


INCOME (LOSS) BEFORE EQUITY IN UNDISTRIBUTED NET
  INCOME (LOSS) OF SUBSIDIARY                                                     15          (22)

Equity in undistributed net income (loss) of subsidiary                          109         (136)
                                                                           ---------    ---------


NET INCOME (LOSS)                                                          $     124    $    (158)
                                                                           =========    =========
</TABLE>


                                  (Continued)

                                                                             38.


<PAGE>   39


                          FIRST FINANCIAL BANCORP, INC.
                   NOTES TO CONSOLIDATED FINANCIAL STATEMENTS
                           December 31, 1997 and 1996


NOTE 15 - FIRST FINANCIAL BANCORP, INC. (PARENT COMPANY) (Continued)

                       CONDENSED STATEMENTS OF CASH FLOWS
                     Years ended December 31, 1997 and 1996
                                 (In thousands)

<TABLE>
<CAPTION>
                                                                                 1997         1996
                                                                                 ----         ----
<S>                                                                           <C>          <C>       
CASH FLOWS FROM OPERATING ACTIVITIES
     Net income (loss)                                                        $     124    $    (158)
     Adjustments to reconcile net income (loss) to net
       cash provided by (used in) operating activities
         Equity in undistributed net income (loss) of subsidiary                   (109)         136
         Gain on sales of securities available-for-sale                             (69)           -
         Decrease (increase) in other assets                                         (7)         (13)
         Increase in other liabilities                                               44            -
                                                                              ---------    ---------
              Net cash used in operating activities                                 (17)         (35)

CASH FLOWS FROM INVESTING ACTIVITIES
     Purchases of securities available-for-sale                                       -         (106)
     Proceeds from sales of securities available for sale                           166            -
     Principal collected on loan for ESOP                                            54           54
                                                                              ---------    ---------
         Net cash provided by (used in) investing activities                        220          (52)

CASH FLOW FROM FINANCING ACTIVITIES
     Proceeds from sale of common stock                                               7           68
     Purchase of treasury stock                                                    (155)        (890)
                                                                              ---------    ---------
         Net cash used in financing activities                                     (148)        (822)
                                                                              ---------    ---------

Increase (decrease) in cash and cash equivalents                                     55         (909)

Cash and equivalents at beginning of year                                           177        1,086
                                                                              ---------    ---------

CASH AND EQUIVALENTS AT END OF YEAR                                           $     232    $     177
                                                                              =========    =========
</TABLE>

                                                                             39.

<PAGE>   40
                          FIRST FINANCIAL BANCORP, INC.
                        CONSOLIDATED FINANCIAL STATEMENTS
                           December 31, 1996 and 1995


                                    CONTENTS








FINANCIAL STATEMENTS

     AUDITOR'S REPORT.....................................................

     CONSOLIDATED STATEMENT OF FINANCIAL CONDITION........................   41

     CONSOLIDATED STATEMENTS OF INCOME....................................   42

     CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY......................   43

     CONSOLDIATED STATEMENTS OF CASH FLOWS................................   44

     NOTES TO CONSOLIDATED FINANCIAL STATEMENTS...........................   46



<PAGE>   41

                          FIRST FINANCIAL BANCORP, INC.
                  CONSOLIDATED STATEMENT OF FINANCIAL CONDITION
                                December 31, 1996


<TABLE>
<CAPTION>
                                                                             (In Thousands)
<S>                                                                           <C>
ASSETS
Cash on hand and non-interest-earning deposits                                $       462
Interest-earning deposits                                                           1,190
                                                                              -----------
     Total cash and cash equivalents                                                1,652

Securities available-for-sale                                                       4,779
Mortgage-backed securities available-for-sale                                       9,136
Securities held-to-maturity (fair value of $78)                                        78
Mortgage-backed securities held-to-maturity (fair value of $1,010)                  1,057
Loans receivable, net of allowance for losses of $468                              73,815
Accrued interest receivable                                                           517
Premises and equipment                                                              1,386
Federal Home Loan Bank stock                                                        1,148
Other assets                                                                          947
                                                                              -----------

     Total assets                                                             $    94,515
                                                                              ===========

LIABILITIES AND STOCKHOLDERS' EQUITY
Liabilities
     Deposit accounts                                                         $    65,838
     Advances from Federal Home Loan Bank                                          20,450
     Advance payments by borrowers for taxes and insurance                            339
     Other liabilities                                                                563
                                                                              -----------
         Total liabilities                                                         87,190
Commitments and contingencies (Note 12)
Stockholders' equity
     Common stock - $0.10 par value, 1,500,000 shares authorized,
       509,598 shares issued                                                           51
     Additional paid-in capital                                                     3,797
     Retained earnings, substantially restricted                                    5,075
     Treasury stock, at cost, 84,722 shares                                        (1,350)
     Unearned employee stock ownership plan shares                                    (95)
     Unearned stock awards                                                            (26)
     Net unrealized loss on securities available-for-sale,
       net of income tax benefit of $69                                              (127)
                                                                              -----------
         Total stockholders' equity                                                 7,325
                                                                              -----------

              Total liabilities and stockholders' equity                      $    94,515
                                                                              ===========
</TABLE>

          See accompanying notes to consolidated financial statements.

                                                                             41.
<PAGE>   42
                          FIRST FINANCIAL BANCORP, INC.
                        CONSOLIDATED STATEMENTS OF INCOME
                     Years ended December 31, 1996 and 1995

<TABLE>
<CAPTION>
                                                                   1996          1995
                                                                   ----          ----
<S>                                                            <C>            <C>
Interest income
     First mortgage loans                                      $     4,548    $     3,418
     Other loans                                                       698            587
     Mortgage-backed securities                                        620            608
     Securities                                                        496            574
     Interest-earning deposits                                          41             71
                                                               -----------    -----------
         Total interest income                                       6,403          5,258

Interest expense
     Deposit accounts                                                2,965          2,766
     FHLB advances                                                     802             31
                                                               -----------    -----------
         Total interest expense                                      3,767          2,797
                                                               -----------    -----------

NET INTEREST INCOME                                                  2,636          2,461

Provision for loss on loans                                            182             39
                                                               -----------    -----------

NET INTEREST INCOME AFTER PROVISION FOR LOSS ON LOANS                2,454          2,422

Noninterest income
     Loan servicing fees and charges                                   198            185
     Service charges on deposit accounts                               173            168
     Gain on sales of loans                                             87            157
     Loss on sales of securities                                      (415)             -
     Death benefits from officers' life insurance                        -            193
     Other                                                              49             79
                                                               -----------    -----------
         Total noninterest income                                       92            782
                                                               -----------    -----------

Noninterest expense
     Compensation and benefits                                       1,117          1,447
     Occupancy and equipment                                           263            213
     Data processing                                                   162            146
     Federal deposit insurance premiums                                574            142
     Loan origination and servicing                                    142             77
     Professional fees                                                  94            116
     Other                                                             454            379
                                                               -----------    -----------
         Total noninterest expense                                   2,806          2,520
                                                               -----------    -----------

INCOME (LOSS) BEFORE INCOME TAXES                                     (260)           684

Income taxes (benefit)                                                (102)            36
                                                               -----------    -----------

NET INCOME (LOSS)                                              $      (158)   $       648
                                                               ===========    ===========

Primary earnings (loss) per share                                   $(0.35)       $  1.37
                                                                    ======        =======
</TABLE>


          See accompanying notes to consolidated financial statements.

                                                                             42.

<PAGE>   43
                 CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY
                     Years ended December 31, 1996 and 1995

<TABLE>
<CAPTION>
                                                                                               Net
                                                                                           Unrealized
                                                                                             Loss on
                                     Additional                         Unearned  Unearned Securities
                           Common     Paid-in    Retained    Treasury     ESOP     Stock   Available-
                            Stock     Capital    Earnings      Stock     Shares    Awards   for-Sale     Total
                            -----     -------    --------      -----     ------    ------   --------     -----
<S>                        <C>       <C>         <C>         <C>         <C>       <C>       <C>       <C>
Balance,
  January 1, 1995          $   48    $  3,486    $   4,585   $     (20)  $  (224)  $  (93)   $ (132)   $  7,650

Net income                      -           -          648           -         -        -         -         648

Amortization of RRPs            -          19            -           -         -       62         -          81

Exercise of stock
  options, 13,518 shares        2         147            -           -         -        -         -         149

Release of earned ESOP
  shares, 6,780 shares          -          25            -           -        75        -         -         100

Purchase of treasury
  stock, 27,596 shares,
  at cost                       -           -            -        (440)        -        -         -        (440)

One-time reclassifi-
  cation of securities
  available-for-sale,
  net of income taxes
  of $250                       -           -            -           -         -        -      (484)       (484)

Increase in fair value
  of securities availa-
  ble-for-sale, net of
  income taxes of $87           -           -            -           -         -        -       168         168
                           ------    --------    ---------   ---------   -------   ------    ------    --------


Balance,
  December 31, 1995            50       3,677        5,233        (460)     (149)     (31)     (448)      7,872

Net loss                        -           -         (158)          -         -        -         -        (158)

Amortization of RRPs            -           -            -           -         -        5         -           5

Exercise of stock
  options, 8,512 shares         1          67            -           -         -        -         -          68

Release of earned ESOP
  shares, 6,780 shares          -          53            -           -        54        -         -         107

Purchase of treasury
  stock, 55,532 shares,
  at cost                       -           -            -        (890)        -        -         -        (890)

Increase in fair value
  of securities available-
  for-sale, net of income
  taxes of $166                 -           -            -           -         -        -       321         321
                           ------    --------    ---------   ---------   -------   ------    ------    --------


Balance at
  December 31, 1996        $   51    $  3,797    $   5,075   $  (1,350)  $   (95)  $  (26)   $ (127)   $  7,325
                           ======    ========    =========   =========   =======   ======    ======    ========
</TABLE>


          See accompanying notes to consolidated financial statements.

                                                                             43.

<PAGE>   44

                      CONSOLIDATED STATEMENTS OF CASH FLOWS
                     Years ended December 31, 1996 and 1995
                                 (In Thousands)

<TABLE>
<CAPTION>
                                                                         1996          1995
                                                                         ----          ----
<S>                                                                   <C>            <C>
CASH FLOWS FROM OPERATING ACTIVITIES
    Net income (loss)                                                 $     (158)    $    648
    Adjustments to reconcile net income (loss) to net
      cash provided by (used in) operating activities
       Amortization of:
          Premiums, discounts, and deferred fees on
            loans and securities                                              25           14
          Net excess servicing fees and originated
            mortgage servicing rights                                         32           19
          Stock award plans                                                    5           62
          Employee stock ownership plan                                       89          113
       Provision for losses on loans                                         182           39
       Federal Home Loan Bank stock dividends                                  -           (7)
       (Gain) loss on sale of:
          Loans                                                              (87)        (157)
          Securities                                                         415            -
          Premises and equipment                                              10            -
       Depreciation of premises and equipment                                114           85
       Originations of loans held for sale, net of
         origination fees and principal collected                         (6,532)      (7,509)
       Proceeds from sales of loans held for sale                          6,939        7,572
       Change in:
          Deferred income tax                                                 (4)         (40)
          Accrued interest receivable                                        (64)           6
          Other assets                                                      (374)         (50)
          Other liabilities                                                   56           37
                                                                      ----------     --------
              Net cash provided by operating activities                      648          832
                                                                      ----------     --------

CASH FLOWS FROM INVESTING ACTIVITIES
    Loan originations net of principal collected on loans                (16,374)      (4,068)
    Purchases of:
       Whole loan participations                                          (7,763)           -
       Mortgage-backed securities held-to-maturity                             -         (137)
       Mortgage-backed securities available-for-sale                      (1,753)           -
       Securities held-to-maturity                                             -         (282)
       Securities available-for-sale                                      (4,900)      (2,442)
       Federal Home Loan Bank stock                                         (667)         (34)
    Proceeds from:
       Sales of securities available-for-sale                              3,744            -
       Maturities and calls of securities available-for-sale               6,050        2,600
       Maturities and calls of securities held-to-maturity                   200          500
    Principal collected on mortgage-backed securities and
      collateralized mortgage obligations                                  1,303          782
    Purchase of premises and equipment                                      (709)        (192)
                                                                      ----------     --------
       Net cash used in investing activities                             (20,869)      (3,273)
                                                                      -----------    ---------
</TABLE>


                                   (Continued)

                                                                             44.
<PAGE>   45


                      CONSOLIDATED STATEMENTS OF CASH FLOWS
                     Years ended December 31, 1996 and 1995
                                 (In Thousands)

<TABLE>
<CAPTION>
                                                                         1996          1995
                                                                         ----          ----
<S>                                                                   <C>            <C>
CASH FLOWS FROM FINANCING ACTIVITIES
    Net increase (decrease) in deposit accounts                       $     (392)    $  6,433
    Net increase (decrease) in advances from the
      Federal Home Loan Bank                                              20,450       (3,000)
    Issuance of common stock                                                  68          109
    Repurchase of common stock                                              (890)        (440)
    Net increase (decrease) in advance payments by borrowers
      for taxes and insurance                                                 79           (2)
                                                                      ----------     --------
       Net cash provided by financing activities                          19,315        3,100
                                                                      ----------     --------

Net increase (decrease) in cash and cash equivalents                        (906)         659

Cash and cash equivalents at beginning of year                             2,558        1,899
                                                                      ----------     --------

CASH AND CASH EQUIVALENTS AT END OF YEAR                              $    1,652     $  2,558
                                                                      ==========     ========

Supplemental disclosures of cash flow information
    Cash paid for
       Interest                                                       $    3,679     $  2,766
       Income taxes                                                           70          195

    Noncash items
       Transfer of securities held-to-maturity to securities
         available-for-sale                                                    -       14,640
       Transfer of held for sale loans to portfolio                           41          391

</TABLE>



          See accompanying notes to consolidated financial statements.

                                                                             45.
<PAGE>   46
                          FIRST FINANCIAL BANCORP, INC.
                   NOTES TO CONSOLIDATED FINANCIAL STATEMENTS
                           December 31, 1996 and 1995

NOTE 1 - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES

The following is a description of the significant accounting policies used by
First Financial Bancorp, Inc. (Company) in the preparation of the accompanying
consolidated financial statements.

Description of the Business: First Financial Bancorp, Inc. is the holding
company for its wholly-owned subsidiary, First Federal Savings Bank (Bank), a
federally chartered stock savings bank, and its principal business is the
operations of the Bank.

The Bank's operations consist principally of originating and servicing
residential first mortgage loans secured by properties in northern Illinois from
its facilities in Belvidere and Rockford, Illinois. In addition, the Bank
provides consumer banking services. The Bank also offers brokerage and insurance
services through its wholly-owned subsidiary, First Financial Services of
Belvidere, Illinois, Inc. Substantially all of the Bank's income and assets are
derived from these activities, conducted primarily with customers located in
northern Illinois.

Principles of Consolidation: The accompanying consolidated financial statements
include the accounts of the Company, and the accounts of the Bank and its
wholly-owned subsidiary. All significant intercompany transactions and balances
have been eliminated in consolidation.

Use of Estimates: The preparation of financial statements in conformity with
generally accepted accounting principles requires management to make estimates
and assumptions that affect the reported amounts of assets and liabilities and
disclosure of contingent assets and liabilities at the date of the financial
statements and the reported amounts of income and expenses during the reporting
period. Actual results could differ from those estimates. The collectibility of
loans, fair values of financial instruments, and status of contingencies are
particularly subject to change.

Cash and Cash Equivalents: For the purpose of the statement of cash flows, cash
and cash equivalents include cash on hand, amounts due from banks, and
interest-earning deposits with original maturities of three months or less. Net
cash flows are reported for customer loan and deposit transactions and
interest-bearing deposits with other banks.

Securities: Securities are classified as held-to-maturity when the Company has
the positive intent and management has the ability to hold those securities to
maturity. Accordingly, they are stated at cost, adjusted for amortization of
premiums and accretion of discounts. All other securities are classified as
available-for-sale since the Company may decide to sell those securities in
response to changes in market interest rates, liquidity needs, changes in yields
or alternative investments and for other reasons. These securities are carried
at fair value with unrealized gains and losses charged or credited, net of
income taxes, to a valuation allowance included as a separate component of
stockholders' equity. Realized gains and losses on disposition are based on the
net proceeds and the adjusted carrying amounts of the securities sold, using the
specific identification method.


                                   (Continued)

                                                                             46.

<PAGE>   47
                          FIRST FINANCIAL BANCORP, INC.
                   NOTES TO CONSOLIDATED FINANCIAL STATEMENTS
                           December 31, 1996 and 1995



NOTE 1 - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Continued)

Loans Held for Sale: Loans held for sale are reported at the lower of cost, less
applicable deferred loan fees or estimated fair value in the aggregate.

Loans Receivable, Net: Loans receivable, net are reported at the principal
balance outstanding, net of deferred loan fees and costs, loans in process, the
allowance for loan losses, unearned discounts, and charge-offs.

Loan fees and certain direct origination costs are deferred, and the net
deferred fee or cost is recognized as an adjustment to yield using the
level-yield method over the life of the loans.

Allowance for Loan Losses: The allowance for loan losses is a valuation
allowance, increased by the provision for loan losses and decreased by
charge-offs less recoveries. Management estimates the allowance balance required
based on past loan loss experience, known and inherent risks in the portfolio,
information about specific borrower situations and estimated collateral values,
economic conditions, and other factors. Because of uncertainties inherent in the
estimation process, management's estimation of credit losses inherent in the
loan portfolio and the related allowance may change materially in the near term.
Allocations of the allowance may be made for specific loans, but the entire
allowance is available for any loans that, in management's judgment, should be
charged-off.

Loan impairment is reported when full payment under the loan terms is not
expected. Impairment is evaluated in total for smaller-balance loans of a
similar nature such as the Company's residential mortgage, consumer, and credit
card loans and on an individual loans basis for other loans. If a loan is
impaired, a portion of the allowance is allocated so that the loan is reported,
net, at the present value of estimated future cash flows using the loan's
existing rate, or loan's market price or the fair value of the collateral, if
the loan is collateral dependent. Loans are evaluated for impairment when
payments are delayed, typically 90 days or more, or when the internal grading
system indicates a doubtful classification.

Premises and Equipment: Land is carried at cost. Bank premises, furniture, and
equipment is reported net of accumulated depreciation. Depreciation is
accumulated on the straight-line and accelerated methods over the estimated
useful lives of the related assets.

Mortgage Servicing Rights: The Company adopted Statement of Financial Accounting
Standards (SFAS) No. 122, "Accounting for Mortgage Servicing Rights", as of
January 1, 1995. Subsequent to adopting this statement, the Company has
allocated the cost of the mortgage servicing rights (MSR) on mortgages
originated which have been sold. The allocation of the total cost of the
mortgages to MSR and the mortgages (without MSR) is based upon their relative
fair values. Servicing rights are then expensed in proportion to, and over the
period of, estimated net servicing revenues. Impairment is evaluated based upon
the fair value of the rights. Any impairment is reported as a valuation
allowance.

                                   (Continued)

                                                                             47.


<PAGE>   48
                          FIRST FINANCIAL BANCORP, INC.
                   NOTES TO CONSOLIDATED FINANCIAL STATEMENTS
                           December 31, 1996 and 1995


NOTE 1 - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Continued)

When participating interests in mortgages sold have an average contractual
interest rate, adjusted for normal servicing fees, that differs from the agreed
yield to the purchaser, gains or losses are recognized equal to the present
value of such differential over the estimated remaining life of such loans. The
resulting excess "servicing fees receivable" or "deferred servicing revenue" is
amortized in proportion to and over the period of estimated net servicing
income.

Employee Stock Ownership Plan (ESOP): Unearned ESOP shares are reported as a
reduction of stockholders' equity in the consolidated statement of financial
condition. As ESOP shares are committed to be released, unearned ESOP shares are
credited, and compensation is charged, and the amount of the charge is based on
fair values of the committed-to-be-released shares. For purposes of computing
net income per share, ESOP shares that have been committed to be released are
considered outstanding.

Income Taxes: The provision for income taxes is based on an asset and liability
approach. The asset and liability approach requires the recognition of deferred
tax liabilities and assets for the expected future tax consequences of temporary
differences between the carrying amounts and the tax bases of assets and
liabilities.

Earnings per Share: Earnings per share of common stock is based on
weighted-average outstanding shares during the year plus dilutive common stock
equivalents using the treasury stock method. The weighted average number of
shares outstanding for computing primary earnings per share were 447,158 and
473,921 for the years ended December 31, 1996 and 1995, respectively. Fully
diluted earnings per share is not presented as it is not materially different
from primary earnings per share for the Company.


NOTE 2 - SECURITIES

The amortized cost and fair value of securities available-for-sale and
held-to-maturity are as follows at December 31, 1996:

<TABLE>
<CAPTION>
                                           Amortized      Unrealized     Unrealized        Fair
          (Dollars in thousands)             Cost           Gains          Losses          Value
                                             ----           -----          ------          -----
         <S>                               <C>            <C>             <C>            <C>
         Available-for-sale
              U.S. Treasury                $     500      $       2       $      -       $     502
              U.S. Agency                      3,594              4             66           3,532
              Equity                             388            108              1             495
              Corporate                          250              -              -             250
                                           ---------      ---------       --------       ---------

                                           $   4,732      $     114       $     67       $   4,779
                                           =========      =========       ========       =========

         Held-to-maturity
              Municipal                    $      78      $       -       $      -       $      78
                                           ---------      ---------       --------       ---------

                                           $      78      $       -       $      -       $      78
                                           =========      =========       ========       =========
</TABLE>

                                   (Continued)

                                                                             48.

<PAGE>   49
                          FIRST FINANCIAL BANCORP, INC.
                   NOTES TO CONSOLIDATED FINANCIAL STATEMENTS
                           December 31, 1996 and 1995


NOTE 2 - SECURITIES (Continued)

Contractual maturities of debt securities at December 31, 1996 were as follows.
Actual maturities will differ from contractual maturities because borrowers may
have the right to call or prepay obligations with or without call or prepayment
penalties.

<TABLE>
<CAPTION>
                                                          Securities                     Securities
                                                       Held-to-Maturity              Available-for-Sale       
                                                   ------------------------       ------------------------
                                                   Amortized         Fair         Amortized        Fair
             (Dollars in thousands)                  Cost            Value          Cost           Value
                                                     ----            -----          ----           -----
         <S>                                       <C>            <C>             <C>            <C>      
         Due in one year or less                   $      78      $      78       $  1,347       $   1,347
         Due from one to five years                        -              -          2,797           2,742
         Due after ten years                               -              -            200             195
         Equity securities                                 -              -            388             495
                                                   ---------      ---------       --------       ---------

                                                   $      78      $      78       $  4,732       $   4,779
                                                   =========      =========       ========       =========
</TABLE>

Proceeds from sales of securities available-for-sale during 1996 were  
$3,744,000 which resulted in gross losses of $415,000.

Securities with an amortized cost of $1,200,000 at December 31, 1996 were
pledged to secure certain deposit accounts in excess of federal deposit
insurance limits and for other purposes.


NOTE 3 - MORTGAGE-BACKED SECURITIES

The amortized cost and fair value of mortgage-backed securities
available-for-sale and held-to-maturity are as follows at December 31, 1996:

<TABLE>
<CAPTION>
                                                                    Gross          Gross
                                                   Amortized      Unrealized     Unrealized        Fair
          (Dollars in thousands)                     Cost           Gains          Losses          Value
                                                     ----           -----          ------          -----
         <S>                                       <C>            <C>             <C>            <C>
         Available-for-sale
              FHLMC                                $   1,121      $       -       $     27       $   1,094
              FNMA                                     1,824              -             73           1,751
              GNMA                                     4,362              5             85           4,282
              Collateralized mortgage
                obligations                            2,070              -             61           2,009
                                                   ---------      ---------       --------       ---------

                                                   $   9,377      $       5       $    246       $   9,136
                                                   =========      =========       ========       =========

         Held-to-maturity
              FNMA                                 $     278      $       -       $      8       $     270
              Collateralized mortgage
                obligations                              779              -             39             740
                                                   ---------      ---------       --------       ---------

                                                   $   1,057      $       -       $     47       $   1,010
                                                   =========      =========       ========       =========
</TABLE>


                                   (Continued)

                                                                             49.
<PAGE>   50
                          FIRST FINANCIAL BANCORP, INC.
                   NOTES TO CONSOLIDATED FINANCIAL STATEMENTS
                           December 31, 1996 and 1995


NOTE 3 - MORTGAGE-BACKED SECURITIES (Continued)

The carrying value of mortgage-backed and related securities are net of
unamortized premiums of $266,000 and unaccreted discounts of $33,000 at December
31, 1996.

Mortgage-backed securities with an amortized cost of $5,667,000 were pledged to
secure certain deposit accounts in excess of federal deposit insurance limits
and for other purposes.


NOTE 4 - LOANS RECEIVABLE, NET

Loans receivable at December 31, 1996 are summarized as follows (dollars in
thousands):

<TABLE>
         <S>                                                       <C>
         First mortgage loans
             One-to-four-family residential                        $    60,209
             Other                                                       5,279
                                                                   -----------
                  Total first mortgage loans                            65,488

         Home equity lines of credit                                     4,703
         Credit card receivables                                         1,006
         Other lines of credit                                             286
         Auto loans                                                      1,360
         Other consumer loans                                            1,802
                                                                   -----------
             Total loans receivable                                     74,645
                                                                   ===========
             Less:
                  Loans in process                                         197
                  Allowance for loan losses                                468
                  Unearned discounts, premiums, and
                    deferred loan origination fees, net                    165
                                                                   -----------
                                                                           830
                                                                   -----------
                                                                   $    73,815
                                                                   ===========
</TABLE>

At December 31, 1996, the Company has no loans that were classified as impaired.
The principal balance of loans for which the accrual of interest had been
discontinued totaled $143,000.

                                   (Continued)

                                                                             50.
<PAGE>   51
                          FIRST FINANCIAL BANCORP, INC.
                   NOTES TO CONSOLIDATED FINANCIAL STATEMENTS
                           December 31, 1996 and 1995


NOTE 4 - LOANS RECEIVABLE, NET (Continued)

Activity in the allowance for loan losses for the years ended December 31 is
summarized as follows:

<TABLE>
<CAPTION>
             (Dollars in thousands)                       1996         1995
                                                          ----         ----
         <S>                                           <C>          <C>
         Allowance for loan losses
             Balance at beginning of year              $     330    $     310
             Provision charged to income                     182           39
             Loan charge-offs                                (44)         (19)
             Loan recoveries                                   -            -
                                                       ---------    ---------

                  Balance at end of year               $     468    $     330
                                                       =========    =========
</TABLE>

Loans are made, in the normal course of business, to executive officers and
directors of the Company. The terms of these loans, including interest rates and
collateral, are similar to those prevailing for comparable transactions and
management believes these loans do not involve more than the normal risk of
collectibility. Loans outstanding to related parties at December 31, 1996 total
$105,000.


NOTE 5 - SECONDARY MORTGAGE MARKET OPERATIONS

The Company's financial data with respect to its secondary mortgage market
operations at and for the years ended December 31 is summarized as follows:

<TABLE>
<CAPTION>
             (Dollars in thousands)                       1996         1995
                                                          ----         ----
         <S>                                           <C>          <C>
         Revenues (direct)
             Gain on sales of loans                    $      87    $     138
             Reduction in unrealized loss
               on loans held for sale                          -           19
             Servicing fees on loans sold                    150          155
                                                       ---------    ---------

                                                       $     237    $     312
                                                       =========    =========

         Identifiable expenses (direct)
             Amortization of mortgage servicing
               rights                                  $      32    $      19
             Servicing fees on loans sold                      1            2
                                                       ---------    ---------

                                                       $      33    $      21
                                                       =========    =========

         Identifiable asset (direct)
             Mortgage servicing rights                 $      87    $      88
                                                       =========    =========
</TABLE>


                                   (Continued)

                                                                             51.
<PAGE>   52
                          FIRST FINANCIAL BANCORP, INC.
                   NOTES TO CONSOLIDATED FINANCIAL STATEMENTS
                           December 31, 1996 and 1995


NOTE 5 - SECONDARY MORTGAGE MARKET OPERATIONS (Continued)

Mortgage loans serviced for others are not included in the accompanying
consolidated statement of financial condition. Mortgage loans serviced are
primarily for Federal Home Loan Mortgage Corporation and Federal National
Mortgage Association. The unpaid principal balances on these loans at December
31 are summarized as follows:

<TABLE>
<CAPTION>
             (Dollars in thousands)                        1996           1995
                                                           ----           ----
         <S>                                           <C>            <C>        
         Sold with recourse                            $     1,583    $     2,122
         Sold without recourse                              51,019         53,632
                                                       -----------    -----------

                                                       $    52,602    $    55,754
                                                       ===========    ===========
</TABLE>

Custodial escrow balances maintained in connection with the foregoing loan
servicing were $533,000 and $685,000 at December 31, 1996 and 1995,
respectively.

Activity in net mortgage servicing rights for the years ended December 31 is
summarized as follows:

<TABLE>
<CAPTION>
             (Dollars in thousands)                       1996         1995
                                                          ----         ----
         <S>                                           <C>          <C>      
         Net balance at beginning of year              $      88    $      24
         Adoption of SFAS No. 122                              -           78
         Additions                                            31            5
         Amortization                                        (17)         (19)
         Provision for impairment                            (15)           -
                                                       ---------    ---------

         Net balance at end of year                    $      87    $      88
                                                       =========    =========
</TABLE>


NOTE 6 - PREMISES AND EQUIPMENT

Premises and equipment at December 31, 1996 are summarized as follows (dollars
in thousands):

<TABLE>

         <S>                                                        <C>       
         Land                                                       $      684
         Office buildings and improvements                                 786
         Furniture, fixtures, and equipment                                771
                                                                    ----------
                                                                         2,241
         Less accumulated depreciation                                     855
                                                                    ----------

                                                                    $    1,386
                                                                    ==========
</TABLE>


                                   (Continued)

                                                                             52.
<PAGE>   53
                          FIRST FINANCIAL BANCORP, INC.
                   NOTES TO CONSOLIDATED FINANCIAL STATEMENTS
                           December 31, 1996 and 1995


NOTE 7 - DEPOSIT ACCOUNTS

Deposit accounts at December 31, 1996 are summarized as follows (dollars in
thousands):

<TABLE>
         <S>                                                        <C>
         Negotiable orders of withdrawal (NOW) accounts
             Non-interest-bearing                                   $     1,675
             Interest-bearing                                             4,913
         Passbook and club accounts                                       8,830
         Money market deposit accounts                                    7,053
         Certificates of deposit                                         43,367
                                                                    -----------

                                                                    $    65,838
                                                                    ===========
</TABLE>                                                            

The aggregate amount of jumbo certificates of deposit with a minimum 
denomination of $100,000 was $7,477,000 at December 31, 1996.

At December 31, 1996, the scheduled maturities of certificates of deposit are as
follows:

<TABLE>
         <S>                                                        <C>        
         1997                                                       $    23,744
         1998                                                             4,075
         1999                                                             5,490
         2000                                                             8,304
         2001 and thereafter                                              1,754
                                                                    -----------

                                                                    $    43,367
                                                                    ===========
</TABLE>


NOTE 8 - ADVANCES FROM FEDERAL HOME LOAN BANK (FHLB)

FHLB advances at December 31, 1996 are summarized as follows (dollars in
thousands):

<TABLE>
<CAPTION>
                                                       Weighted
                                                       Interest        Amount
                                                         Rate        Outstanding
                                                         ----        -----------
         <S>                                           <C>          <C>
         Advances from Federal Home Loan
           Bank
             Fixed rate due in
                  1997                                    5.70%     $     8,000
                  1998                                    6.00           10,700
             Variable rate
                  Open line                               6.94            1,750
                                                       -------      -----------

                                                          5.96%     $    20,450
                                                       =======      ===========
</TABLE>


NOTE 8 - ADVANCES FROM FEDERAL HOME LOAN BANK (FHLB) (Continued)


                                   (Continued)

                                                                             53.

<PAGE>   54
                          FIRST FINANCIAL BANCORP, INC.
                   NOTES TO CONSOLIDATED FINANCIAL STATEMENTS
                           December 31, 1996 and 1995


The Company adopted a collateral pledge agreement and agreed to keep on hand,
free of all other pledges, liens, and encumbrances, first mortgages with unpaid
principal balances aggregating no less than 167% of the outstanding secured
advances from the Federal Home Loan Bank. All stock in the Federal Home Loan
Bank of Chicago is also pledged as additional collateral for advances.


NOTE 9 - INCOME TAXES

The provision (benefit) for income taxes for the years ended December 31 is
summarized as follows (dollars in thousands):

<TABLE>
<CAPTION>
                                                            1996        1995
                                                            ----        ----
         <S>                                             <C>          <C>      
          Current                                        $     (88)   $      76
          Deferred                                              18          (42)
          Change in valuation allowance                        (32)           2
                                                         ---------    ---------

                                                         $    (102)   $      36
                                                         =========    =========
</TABLE>

A reconciliation of income taxes computed at the statutory federal income tax
rate to actual income taxes recorded above for the years ended December 31 is
summarized as follows:

<TABLE>
<CAPTION>
                                                                    1996          1995
                                                                    ----          ----

         <S>                                                      <C>            <C>  
         Statutory federal income tax rate                         (34.0)%         34.0%
         Credit for reduction of taxes previously
           accrued for deductions claimed on
           the prior federal income tax returns
           of the Bank                                                 -          (20.5)
         Tax-exempt income and officers'
           life insurance                                            (.2)          (8.4)
         Other, net                                                 (5.0)           0.2
                                                                  ------         ------

                                                                   (39.2)%          5.3%
                                                                  ======         ======
</TABLE>

No state income taxes were recorded in 1996 and 1995 as a result of excess
qualifying U.S. government interest, which is tax-exempt under Illinois
statutes.

                                   (Continued)

                                                                             54.
<PAGE>   55
                          FIRST FINANCIAL BANCORP, INC.
                   NOTES TO CONSOLIDATED FINANCIAL STATEMENTS
                           December 31, 1996 and 1995


NOTE 9 - INCOME TAXES (Continued)

The provision for income taxes for the year ended December 31, 1995 includes
credits of $140,000 for a reduction of income taxes previously accrued for
deductions claimed in prior federal income tax returns filed by the Bank. These
deductions were not recognized for financial reporting purposes, since the
deductions were based upon issues that had not yet been settled by the IRS in
tax court. The tax credits, along with credits for interest previously accrued
on the prior tax return of $27,000 for the year ended December 31, 1995, were
recorded in income only after the statute of limitations had expired on the
prior returns.

The tax effects of existing temporary differences that give rise to significant
portions of the deferred tax assets and deferred tax liabilities at December 31,
1996 are summarized as follows (dollars in thousands):

<TABLE>
         <S>                                                         <C>
         Deferred tax assets
             Unrealized loss on securities available-for-sale        $      69
             Deferred loan origination fees                                 38
             Bad debt deduction                                            104
             Deferred compensation                                          69
             Unrealized gain on loans held for sale                         12
             Illinois net operating loss carryforwards                      38
                                                                     ---------
                                                                           330
             Valuation allowance                                           (38)
                                                                     ---------
                                                                           292

         Deferred tax liabilities
             Depreciation                                                   26
             FHLB stock dividends, net                                      33
             Mortgage servicing rights                                      36
             Other                                                          33
                                                                     ---------
                                                                           128
                                                                     ---------

                  Net deferred tax assets                            $     164
                                                                     =========
</TABLE>

Management has recorded a valuation allowance to reduce deferred tax assets to
the amount which it estimates will be realized. The Illinois net operating
losses of approximately $814,000 expire in years 2000 through 2011.

The Bank has qualified under provisions of the Internal Revenue Code which
permit it to deduct from taxable income a provision for bad debts which differs
from the provision charged to income on the financial statements. Tax
legislation passed in August 1996 now requires all thrift institutions to deduct
a provision for bad debts for tax purposes based on actual loss experience and
recapture the excess bad debt reserve accumulated in the tax years after 1987.
The related amount of deferred tax liability which must be recaptured is
$172,000 and is payable over a six-year period beginning no later than 1998.
Retained earnings at December 31, 1996 includes approximately $1,181,000,
consisting of bad debt deductions accumulated prior to 1987, for which no
deferred federal income tax liability has been recognized.

                                   (Continued)

                                                                             55.
<PAGE>   56
                          FIRST FINANCIAL BANCORP, INC.
                   NOTES TO CONSOLIDATED FINANCIAL STATEMENTS
                           December 31, 1996 and 1995


NOTE 10 - BENEFIT PLANS

     Profit-sharing plan:

     The Company has a profit-sharing plan which meets the qualifications of
         Section 401(k) of the Internal Revenue Code (Code). Under the Plan,
         employees 21 years of age or older with one year of service and 1,000
         hours of service during that period may make pre-tax contributions up
         to applicable limits under the Code. Employees are 100% vested in their
         contributions. Contributions by the Company are discretionary.
         Discretionary employer contributions vest at a rate of 20% per year
         beginning on the third year of service by an employee. Contributions
         totaled $9,000 and $41,000 in 1996 and 1995, respectively.

     Employee stock ownership plan:

     The Company has an employee stock ownership plan (ESOP) that covers
         employees 21 years of age or older with one year of service and 1,000
         hours of service during that period. The ESOP borrowed $271,000 from
         the Company to purchase 33,903 shares of the Company's stock at $8.00
         per share on October 1, 1993. The Company has agreed to make scheduled
         contributions to the ESOP sufficient to service the amount borrowed by
         the ESOP. Contributions made to the ESOP totaled $64,000 in 1996 and
         1995. Compensation expense recognized on the ESOP amounted to $107,000
         and $113,000 in 1996 and 1995, respectively. Unearned ESOP shares
         totaling 11,868, with a carrying amount and approximate fair value of
         $95,000 and $188,000, respectively, are reported as a reduction of
         stockholders' equity in the consolidated statement of financial
         condition at December 31, 1996.

     The ESOP shares were as follows:

<TABLE>
<CAPTION>
                                                                 1996
                                                                 ----
                                     <S>                        <C>   
                                     Allocated                  15,255
                                     Committed to be released    6,780
                                     Suspense shares            11,868

                                          Total                 33,903
</TABLE>

     Stock option plans:

     The Company has two stock option plans which grant options to individuals
         to purchase common stock of the Company at a price equal to the fair
         market value at the date of grant, subject to the terms and conditions
         of the plans. The term of stock options will not exceed ten years from
         the date of grant.




NOTE 10 - BENEFIT PLANS (Continued)

         38,747 shares have been authorized under the incentive stock option
         plan for employees, and the 



                                   (Continued)

                                                                             56.
<PAGE>   57
                          FIRST FINANCIAL BANCORP, INC.
                   NOTES TO CONSOLIDATED FINANCIAL STATEMENTS
                           December 31, 1996 and 1995


          options are exercisable on a cumulative basis in equal installments at
          a rate of 20% per year commencing one year from the date of grant. On
          October 1, 1993, 36,499 options were granted under the plan to
          employees at an exercise price of $8.00 per share. 9,687 shares have
          been authorized under the stock option plan for outside directors, and
          the options are exercisable on the date of grant. On October 1, 1993,
          5,861 options were granted under the plan to outside directors at an
          exercise price of $8.00 per share. During 1995 and 1996, additional
          options were granted to employees under the plan. Information about
          option grants are as follows:

<TABLE>
<CAPTION>
                                                                            Weighted
                                                                            Average     
                                                            Exercise       Number of
                                                                         Options Price
                                                                         -------------
              <S>                                         <C>            <C>
              Outstanding at January 1, 1995                  39,130     $      8.000
              Granted                                          1,000           15.625
              Exercised                                      (13,518)           8.000
              Forfeited                                         (168)           8.000
                                                          ----------     ------------
              Outstanding at December 31, 1995                26,444            8.290

              Granted                                          2,400           15.500
              Exercised                                       (8,512)           8.000
              Forfeited                                       (6,358)           8.000
                                                          ----------     ------------
     
              Outstanding at December 31, 1996                13,974     $      9.830
                                                          ==========     ============
</TABLE>

         Options granted and exercisable at December 31, 1996 are 10,245 at a
         weighted average price of $9.06.

         The Company accounts for its stock option plan under Accounting
         Principle Board Opinion (APBO) No. 25, "Accounting for Stock Issued to
         Employees". Accordingly, no compensation expense has been recognized
         for the 1996 stock option plan in the financial statements. Statement
         of Financial Accounting Standards (SFAS) No. 123, "Accounting for Stock
         Based Compensation", became effective for the first time in 1996. This
         statement prescribes new methods for determining compensation expense
         under stock option plans, but allows corporations to use APBO No. 25 if
         they provide pro forma information computed under the new standard. Had
         compensation cost been computed under the methodology contained in SFAS
         No. 123, net income would have been reduced by approximately $5,580 and
         $916 for 1996 and 1995, respectively, with no effect on earnings per
         share. In future years, the pro forma effect of not applying the
         standard is expected to increase as additional options are granted. The
         weighted average fair value of the options granted during 1995 and 1996
         is estimated at $4.49 and $4.58, respectively, on the date of grant
         using the Black-Scholes option value model with the following
         assumptions: dividend yield of 0, a risk free interest rate of 6.5%, an
         assumed forfeiture rate of 0%, and an average life of five years.

                                   (Continued)

                                                                             57.
<PAGE>   58
                          FIRST FINANCIAL BANCORP, INC.
                   NOTES TO CONSOLIDATED FINANCIAL STATEMENTS
                           December 31, 1996 and 1995


NOTE 10 - BENEFIT PLANS (Continued)

     Management recognition and retention plans and trusts:

     The Company has two management recognition and retention plans and trusts
         (RRPs) as a method of providing officers and outside directors with a
         proprietary interest in the Company. Such awards are to be earned by
         the individuals, subject to terms of the RRPs. Stock awarded under the
         plans will vest on a cumulative basis in equal installments at a rate
         of 33-1/3% per year commencing one year from the date of grant or as
         specified by plan trustees. The number of shares purchased by the RRPs
         totaled 19,374 shares. On October 1, 1993, 18,471 shares were granted
         to officers and outside directors. The costs of the awards are
         amortized on the straight-line basis over their three-year terms.
         Compensation expense under these plans amounted to $9,000 and $81,000
         in 1996 and 1995, respectively.

     Salary continuation agreements:

     The Company has entered into approved non-qualified, unfunded salary
         continuation agreements with two key executives, which provide for
         benefits upon retirement at age 65 or thereafter. The present value of
         the estimated liability under these agreements will be accrued over the
         remaining periods of active employment. To provide for the repayment of
         these deferred compensation benefits, the Company has purchased life
         insurance policies covering the key executives. The proceeds of cash
         surrender value of the policies are targeted to provide the benefits
         under the deferred compensation agreements. The Company is the owner
         and beneficiary of these policies which provide for death benefits
         totaling $1,016,000. The cash surrender value of the policies was
         approximately $63,000 at December 31, 1996. In 1995, the Company
         recognized $193,000 in net death benefits on a policy covering its then
         president and C.E.O., David L. Beasley. The estimated liability under
         these agreements totaled $177,000 at December 31, 1996. Compensation
         expense under these agreements amounted to $(21,000) and $183,000 in
         1996 and 1995, respectively. The 1996 expense was reduced by $32,000
         due to the reversal of an accrued liability for two employees no longer
         with the Company. The 1995 expense includes a charge of $164,000 to
         recognize the Company's liability under the plan to Mr. Beasley's
         beneficiary as the benefits became fully vested upon his death.


NOTE 11 - REGULATORY MATTERS

The Bank is subject to regulatory capital requirements administered by federal
regulatory agencies. Capital adequacy guidelines and prompt corrective action
regulations involve quantitative measures of assets, liabilities, and certain
off-balance-sheet items calculated under regulatory accounting practices.
Capital amounts and classifications are also subject to qualitative judgments by
regulators about components, risk weightings, and other factors, and the
regulators can lower classifications in certain cases. Failure to meet various
capital

                                   (Continued)

                                                                             58.
<PAGE>   59
                          FIRST FINANCIAL BANCORP, INC.
                   NOTES TO CONSOLIDATED FINANCIAL STATEMENTS
                           December 31, 1996 and 1995


NOTE 11 - REGULATORY MATTERS (Continued)

requirements can initiate regulatory action that could have a direct material
effect on the financial statements.

The prompt corrective action regulations provide five classifications, including
well capitalized, adequately capitalized, undercapitalized, significantly
undercapitalized, and critically undercapitalized, although these terms are not
used to represent overall financial condition. If adequately capitalized,
regulatory approval is required to accept brokered deposits. If
undercapitalized, capital distributions are limited, as is asset growth and
expansion, and plans for capital restoration are required. The minimum
requirements are:

<TABLE>
<CAPTION>
                                                Capital to Risk-
                                                Weighted Assets            Tier 1 Capital
                                                ---------------             to Adjusted
                                            Total            Tier 1         Total Assets
                                            -----            ------         ------------
         <S>                                 <C>               <C>               <C>
         Well capitalized                    10%               6%                5%
         Adequately capitalized               8%               4%                4%
         Undercapitalized                     6%               3%                3%
</TABLE>

At year-end, the Bank was categorized as well capitalized. Actual capital levels
(in millions) and minimum required levels were:

<TABLE>
<CAPTION>
                                                                                               Minimum Required
                                                                                                  to be Well
                                                                         Minimum Required      Capitalized Under
                                                                            for Capital        Prompt Corrective
                                                         Actual          Adequacy Purposes    Action Regulations
                                                         ------          -----------------    ------------------
                                                   Amount     Ratio      Amount     Ratio      Amount     Ratio
                                                   ------     -----      ------     -----      ------     -----
<S>                                                <C>        <C>        <C>        <C>        <C>        <C>
1996

Total capital (to risk-weighted assets)            $  7.4     14.3%      $  4.1      8.0%      $  5.2     10.0%
Tier 1 (core) capital (to risk-weighted
  assets)                                          $  6.9     13.4%      $  2.1      4.0%      $  3.1      6.0%
Tier 1 (core) capital (to adjusted total
  assets)                                          $  6.9      7.3%      $  2.8      3.0%      $  4.7      5.0%
Tier 1 capital to average assets                   $  6.9      7.6%      $  3.6      4.0%      $  4.5      5.0%
Tangible capital (to adjusted total
  assets)                                          $  6.9      7.3%      $  1.4      1.5%         N/A      N/A
</TABLE>

On October 1, 1993, the Bank converted from a federally-chartered mutual savings
and loan association to a federally-chartered stock savings bank subsidiary of
First Financial Bancorp, Inc. (Company), a newly formed and registered savings
bank holding company. The Company issued 484,338 shares of common stock at $8.00
per share. The net proceeds, after deducting conversion expenses of $401,000,
were $3,473,000 and were recorded as common stock and additional paid-in capital
in the consolidated statement of financial condition. The Company used
$2,200,000 of the net proceeds to acquire all the common stock of the Bank.


                                   (Continued)

                                                                             59.
<PAGE>   60
                          FIRST FINANCIAL BANCORP, INC.
                   NOTES TO CONSOLIDATED FINANCIAL STATEMENTS
                           December 31, 1996 and 1995


NOTE 11 - REGULATORY MATTERS (Continued)

Federal regulations require the Bank to comply with a Qualified Thrift Lender
(QTL) test which requires that 65% of assets be maintained in housing-related
finance and other specified assets. IF the QTL test is not met, limits are
placed on growth, branching, new investments, FHLB advances, and dividends, or
the institution must convert to a commercial bank charter. Management considers
the QTL test to have been met.

As part of the conversion, the Bank established a liquidation account for the
benefit of eligible depositors as of December 31, 1992, the eligibility record
date, who continue to maintain deposits in the Bank after the conversion. The
initial balance of the liquidation account was equal to the retained earnings of
the Bank as of December 31, 1992. In the unlikely event of a complete
liquidation of the Bank, each eligible account holder would receive from the
liquidation account, a liquidation distribution based on their proportionate
share of the then total remaining qualifying deposits, prior to any distribution
with respect to the Bank's capital stock.


NOTE 12 - FINANCIAL INSTRUMENTS WITH OFF-BALANCE-SHEET RISK,
  COMMITMENTS, AND CONTINGENCIES

The Company is a party to financial instruments with off-balance-sheet risk in
the normal course of business to meet the financing needs of its customers and
to reduce its own exposure to fluctuations in interest rates. These financial
instruments include commitments to extend credit and previously approved unused
lines of credit. Those instruments involve, to varying degrees, elements of
credit and interest-rate risk in excess of the amount recognized in the
statement of financial condition.

The Company's exposure to credit loss in the event of nonperformance by the
other party to the financial instrument for commitments to extend credit and
previously approved unused lines of credit is represented by the contractual
amount of those instruments. The Company uses the same credit policies in making
commitments and conditional obligations as it does for loans recorded in the
statement of financial condition. Financial instruments whose contract amounts
represent credit risk at December 31, 1996 are summarized as follows (in
thousands):

<TABLE>
         <S>                                                        <C>
         Commitment to originate loans; rates range
           from 7.375% to 8.305%                                    $     648
         Unused lines of credit                                         5,120
         Standby letters of credit                                         32
</TABLE>

                                   (Continued)

                                                                             60.
<PAGE>   61
                          FIRST FINANCIAL BANCORP, INC.
                   NOTES TO CONSOLIDATED FINANCIAL STATEMENTS
                           December 31, 1996 and 1995


NOTE 12 - FINANCIAL INSTRUMENTS WITH OFF-BALANCE-SHEET RISK,
  COMMITMENTS, AND CONTINGENCIES (Continued)

At December 31, 1996, the Company serviced mortgage loans with unpaid principal
balances of $1,583,000 which were sold under agreements for which the buyers
have recourse options. The Company does not anticipate any significant losses as
a result of these agreements.

The deposits of savings institutions are presently insured by the Savings
Association Insurance Fund (SAIF), which, along with the Bank Insurance Fund
(BIF), is one of the two insurance funds administered by the Federal Deposit
Insurance Corporation (FDIC). Due to the inadequate capitalization of SAIF, a
recapitalization plan was signed into law on September 30, 1996 which required a
special assessment of approximately .65% of all SAIF-insured deposit balances as
of March 31, 1995. The Bank's assessment of approximately $417,000 is reflected
in the 1996 statement of income.


NOTE 13 - FAIR VALUES OF FINANCIAL INSTRUMENTS

Corporations are required to disclose fair value information about their
financial instruments. SFAS No. 107 defines the fair value of a financial
instrument as the amount at which the instrument could be exchanged in a current
transaction between willing parties, other than in a forced or liquidation sale.
The methods and assumptions used to determine fair values for each class of
financial instruments are presented below:

The estimated fair value for cash and cash equivalents, interest-bearing
deposits with financial institutions, Federal Home Loan Bank stock, accrued
interest receivable, NOW, money market and savings deposits, short-term
borrowings, and accrued interest payable are considered to approximate their
carrying values. The estimated fair value for securities available-for-sale and
securities held-to-maturity are based on quoted market values for the individual
securities or for equivalent securities. The estimated fair value for loans is
based on estimates of the rate the Company would charge for similar loans at
December 31, 1996 applied for the time period until estimated payment. The
estimated fair value of certificates of deposit is based on estimates of the
rate the Company would pay on such deposits at December 31, 1996 applied for the
time period until maturity. The estimated fair value of Federal Home Loan Bank
advances is based on the estimate of the rate the Company would pay for such
advances at December 31, 1996 for a time period until maturity. Loan commitments
are not included in the table below as their estimated fair value is immaterial.

                                   (Continued)

                                                                             61.
<PAGE>   62
                          FIRST FINANCIAL BANCORP, INC.
                   NOTES TO CONSOLIDATED FINANCIAL STATEMENTS
                           December 31, 1996 and 1995


NOTE 13 - FAIR VALUES OF FINANCIAL INSTRUMENTS (Continued)

<TABLE>
<CAPTION>
                                                                       Approximate     Estimated
                                                                        Carrying         Fair
               (Dollars in thousands)                                     Value          Value
                                                                          -----          -----
         <S>                                                           <C>            <C>
         Financial Instrument Assets
              Cash on hand and in banks                                $    1,652     $     1,652
              Securities available-for-sale                                 4,779           4,779
              Securities held-to-maturity                                      78              78
              Mortgage-backed securities available-for-sale                 9,136           9,136
              Mortgage-backed securities held-to-maturity                   1,057           1,010
              Loans receivable, net                                        73,815          74,005
              Federal Home Loan Bank stock                                  1,148           1,148
              Accrued interest receivable                                     517             517

         Financial Instrument Liabilities
              NOW, money market, and passbook savings                      22,471          22,471
              Certificates of deposit                                      43,367          43,992
              Advances from Federal Home Loan Bank                         20,450          20,481
              Accrued interest payable                                        230             230
</TABLE>

Other assets and liabilities of the Company that are not defined as financial
instruments such as property and equipment, are not included in the above
disclosures. Also not included are nonfinancial instruments typically not
recognized in financial statements such as loan servicing rights, customer
goodwill, and similar items.

While the above estimates are based on management's judgment of the most
appropriate factors, there is no assurance that were the Company to have
disposed of these items on December 31, 1996, the fair values would have been
achieved, because the market value may differ depending on the circumstances.
The estimated fair values at December 31, 1996 should not necessarily be
considered to apply at subsequent dates.

NOTE 14 - FIRST FINANCIAL BANCORP, INC. (PARENT COMPANY)

Presented below are the parent company's condensed balance sheet, condensed
statements of income, and condensed statements of cash flows:




                                   (Continued)

                                                                             62.
<PAGE>   63
                          FIRST FINANCIAL BANCORP, INC.
                   NOTES TO CONSOLIDATED FINANCIAL STATEMENTS
                           December 31, 1996 and 1995


                             CONDENSED BALANCE SHEET

                                December 31, 1996
                                 (In thousands)


<TABLE>
<S>                                                              <C>
ASSETS
Cash and cash equivalents                                        $       177
Securities available-for-sale                                            269
Loans receivable for ESOP                                                119
Investment in subsidiary                                               6,740
Other assets                                                              34
                                                                 -----------

     Total assets                                                $     7,339
                                                                 ===========

LIABILITIES AND STOCKHOLDERS' EQUITY
Liabilities
     Other liabilities                                           $        14
                                                                 -----------

Stockholders' equity
     Common stock                                                         51
     Additional paid-in capital                                        3,797
     Retained earnings                                                 5,075
     Treasury stock                                                   (1,350)
     Other                                                              (248)
                                                                 -----------
         Total stockholders' equity                                    7,325
                                                                 -----------

              Total liabilities and stockholders' equity         $     7,339
                                                                 ===========
</TABLE>


                                   (Continued)

                                                                             63.
<PAGE>   64
                          FIRST FINANCIAL BANCORP, INC.
                   NOTES TO CONSOLIDATED FINANCIAL STATEMENTS
                           December 31, 1996 and 1995


NOTE 14 - FIRST FINANCIAL BANCORP, INC. (PARENT COMPANY) (Continued)

                         CONDENSED STATEMENTS OF INCOME
                 For the years ended December 31, 1996 and 1995
                                 (In thousands)


<TABLE>
<CAPTION>
                                                                    1996            1995
                                                                    ----            ----
<S>                                                              <C>            <C>
Income
     Dividends from subsidiary                                   $         -    $       488
     Interest income                                                      12             15
     Other                                                                 -              9
                                                                 -----------    -----------
         Total income                                                     12            512

Expense
     Professional fees                                                    14             34
     Other                                                                31             39
                                                                 -----------    -----------
                                                                          45             73
                                                                 -----------    -----------


INCOME (LOSS) BEFORE INCOME TAX BENEFIT AND EQUITY
  IN UNDISTRIBUTED NET INCOME OF SUBSIDIARY                              (33)           439

Income tax benefit                                                       (11)           (17)
                                                                 -----------    -----------


INCOME (LOSS) BEFORE EQUITY IN UNDISTRIBUTED NET
  INCOME OF SUBSIDIARY                                                   (22)           456

Equity in undistributed net income (loss) of subsidiary                 (136)           192
                                                                 -----------    -----------


NET INCOME (LOSS)                                                $      (158)   $       648
                                                                 ===========    ===========
</TABLE>



                                   (Continued)

                                                                             64.
<PAGE>   65
                          FIRST FINANCIAL BANCORP, INC.
                   NOTES TO CONSOLIDATED FINANCIAL STATEMENTS
                           December 31, 1996 and 1995


NOTE 14 - FIRST FINANCIAL BANCORP, INC. (PARENT COMPANY) (Continued)

                      CONDENSED STATEMENTS OF CASH FLOWS
                For the years ended December 31, 1996 and 1995
                                 (In thousands)


<TABLE>
<CAPTION>
                                                                                 1996          1995
                                                                                 ----          ----
<S>                                                                         <C>            <C>
CASH FLOWS FROM OPERATING ACTIVITIES
     Net income (loss)                                                      $      (158)   $       648
     Adjustments to reconcile net income (loss) to net
       cash provided by (used in) operating activities
         Equity in undistributed net income of subsidiary                           136           (192)
         Accretion of discounts on investment securities                                             -
         Increase (decrease) in other assets                                        (13)             3
         Increase (decrease) in other liabilities                                     -              3
                                                                            -----------    -----------
              Net cash (used in) provided by  operating activities                  (35)           462

CASH FLOWS FROM INVESTING ACTIVITIES
     Purchases of securities available-for-sale                                    (106)             -
     Proceeds from sales of securities available-for-sale                                            -
     Proceeds from maturities of securities available-for-sale                                       -
     Principal collected on loan for ESOP                                            54             51
                                                                            -----------    -----------
         Net cash (used in) provided by investing activities                        (52)            51

CASH FLOWS FROM FINANCING ACTIVITIES
     Net proceeds from sale of common stock                                           -              -
     Proceeds from exercised stock options                                           68            108
     Purchase of treasury stock                                                    (890)          (440)
                                                                            -----------    -----------
         Net cash used in financing activities                                     (822)          (332)
                                                                            -----------    -----------

Increase (decrease) in cash and cash equivalents                                   (909)           181

Cash and cash equivalents at beginning of year                                    1,086            905
                                                                            -----------    -----------

CASH AND CASH EQUIVALENTS AT END OF YEAR                                    $       177    $     1,086
                                                                            ===========    ===========
</TABLE>


                                   (Continued)

                                                                             65.
<PAGE>   66


b).  Proforma Financial Statements

                             BLACKHAWK BANCORP, INC.
                             Combining Balance Sheet
                                 March 31, 1996

<TABLE>
<CAPTION>
                                                                                 Pro Forma
                                                                                Adjustments                          Pro Forma
ASSETS                                                        Historical           FFBI              Other            Results
<S>                                                           <C>                 <C>               <C>               <C>
Cash and cash equivalents                                        8,986              4,136 (1)           310            13,432
Federal funds sold and other short-term investments              3,828                  0                 0             3,828
Securities:
    Held-to-maturity                                            26,364                618 (1)        (4,000)           22,982
    Available-for-sale                                          15,944             20,437                 0            36,381
Loans, net of allowance for loan losses                        134,833             53,037                 0           187,870
Bank premises and equipment, net                                 4,359              2,507                 0             6,866
Other assets                                                     6,747              1,382 (1)         4,972            13,101
         TOTAL ASSETS                                          201,061             82,117             1,282           284,460

LIABILITIES AND STOCKHOLDERS' EQUITY
LIABILITIES:
Deposits:
    Non-interest bearing                                        17,558                  0                 0            17,558
    Interest bearing                                           141,059             67,421                 0           208,480
        TOTAL DEPOSITS                                         158,617             67,421                 0           226,038

Borrowed funds:
    Short-term borrowings                                        8,110                  0                 0             8,110
    Long-term borrowings                                         7,850              6,350 (1)         9,000            23,200
        TOTAL BORROWED FUNDS                                    15,960              6,350             9,000            31,310
    Other liabilities                                            3,062                628                 0             3,690
        TOTAL LIABILITIES                                      177,639             74,399             9,000           261,038

STOCKHOLDERS' EQUITY:
Preferred stock                                                      0                  0                 0                 0
Common stock                                                        23                 51 (1)           (51)               23
Additional paid in capital                                       7,030              3,893 (1)        (3,893)            7,030
Retained earnings                                               16,282              5,269 (1)        (5,269)           16,282
Other equity                                                        87             (1,495)(1)         1,495                87

        TOTAL STOCKHOLDERS' EQUITY                              23,422              7,718            (7,718)           23,422
        TOTAL LIABILITIES AND STOCKHOLDERS' EQUITY             201,061             82,117             1,282           284,460
</TABLE>



                                                                             66.
<PAGE>   67

                             BLACKHAWK BANCORP, INC.
                           Combining Income Statement
                        Three Months Ended March 31, 1998

<TABLE>
<CAPTION>
                                                                                 Pro Forma
                                                                                Adjustments                          Pro Forma
                                                              Historical           FFBI              Other            Results
<S>                                                           <C>                 <C>               <C>               <C>
INTEREST INCOME:
Interest and fees on loans                                        3,179             1,105                 0               4,284
Interest on securities:
    Taxable                                                         550               308 (2)           (50)                808
    Exempt from Federal income taxes                                 47                 0                 0                  47
Interest on federal funds sold and other
short-term investments                                               90                49                 0                 139
        TOTAL INTEREST INCOME                                     3,866             1,462               (50)              5,278

INTEREST EXPENSE:
Interest on deposits                                              1,606               711                 0               2,317
Interest on short-term borrowings                                   120                 0                 0                 120
Interest on long-term borrowings                                    104               118 (2)           164                 386
        TOTAL INTEREST EXPENSE                                    1,830               829               164               2,823
        NET INTEREST INCOME                                       2,036               633              (214)              2,455
Provision for loan losses                                            56                24                 0                  80
        NET INTEREST INCOME AFTER PROVISION FOR
LOAN LOSSES                                                       1,980               609              (214)              2,375

OTHER OPERATING INCOME:
Service fees                                                        232                55                 0                 287
Other income                                                        279               139                 0                 418
        TOTAL OTHER OPERATING INCOME                                511               194                 0                 705
OTHER OPERATING EXPENSES:
Salaries and wages                                                  919               346                 0               1,265
Occupancy expense of bank premises                                  146                89                 0                 235
Furniture and equipment                                             101                 0                 0                 101
Data processing                                                     141                19                 0                 160
Other operating expenses                                            443               245 (3)            83                 771
        TOTAL OTHER OPERATING EXPENSES                            1,750               699                83               2,532
        INCOME BEFORE INCOME TAXES                                  741               104              (297)                548
Provision for income taxes                                          252                34 (4)          (117)                169
        NET INCOME                                                  489                70              (180)                379
        NET INCOME PER SHARE                                       0.19              0.03             (0.07)               0.15
        DIVIDENDS PER SHARE                                        0.11                                                    0.11
</TABLE>


                                                                             67.
<PAGE>   68
                             BLACKHAWK BANCORP, INC.
                           Combining Income Statement
                       Twelve Months Ended March 31, 1998

<TABLE>
<CAPTION>
                                                                          Pro Forma
                                                                         Adjustments                              Pro Forma
                                                       Historical           FFBI              Other                Results
<S>                                                      <C>              <C>                 <C>                  <C>
INTEREST INCOME:
Interest and fees on loans                               11,597            5,091                   0               16,688
Interest on securities:
    Taxable                                               2,433            1,079 (2)            (200)               3,312
    Exempt from Federal income taxes                        152                0                   0                  152
Interest on federal funds sold and other
short-term investments                                      126              168                   0                  294
        TOTAL INTEREST INCOME                            14,308            6,338                (200)              20,446

INTEREST EXPENSE:
Interest on deposits                                      5,931            2,997                   0                8,928
Interest on short-term borrowings                           612                0                   0                  612
Interest on long-term borrowings                            177              754 (2)             657                1,588
        TOTAL INTEREST EXPENSE                            6,720            3,751                 657               11,128
        NET INTEREST INCOME                               7,588            2,587                (857)               9,318
Provision for loan losses                                   192               88                   0                  280
        NET INTEREST INCOME AFTER
PROVISION FOR LOAN LOSSES                                 7,396            2,499                (857)               9,038

OTHER OPERATING INCOME:

                                                                                                                           
Service fees                                                897              208                   0                1,105  
Other income                                                639               83                   0                  722  
        TOTAL OTHER OPERATING INCOME                      1,536              291                   0                1,827  
                                                                                                                           
OTHER OPERATING EXPENSES:                                                                                                  
Salaries and wages                                        3,067            1,270                   0                4,337  
Occupancy expense of bank premises                          426              307                   0                  733  
Furniture and equipment                                     329                0                   0                  329  
Data processing                                             445              250                   0                  695  
Federal deposit insurance premiums                           32               34                   0                   66  
Other operating expenses                                  1,610              757                 331                2,698  
        TOTAL OTHER OPERATING EXPENSES                    5,909            2,618                 331                8,858  
        INCOME BEFORE INCOME TAXES                        3,023              172              (1,188)               2,007  
Provision for income taxes                                1,067               48                (469)                 646  
        NET INCOME                                        1,956              124                (719)               1,361  
        NET INCOME PER SHARE                               0.86             0.05               (0.31)                0.60  
</TABLE>


                                                                             68.
<PAGE>   69

                             BLACKHAWK BANCORP, INC.
                   Notes to Pro Forma Combining Balance Sheet
                       And Combining Statements of Income

(1)  Reflect the consideration paid of $12,690,000, which is to come from both
     securities held by and borrowings made by the Company plus the elimination
     of the equity in First Financial and the recording of intangibles as
     required by purchase method accounting.
(2)  Reflect the elimination of interest on taxable securities, based on an 
     average yield of 5.0% and additional interest expense incurred, based on an
     average rate of 7.3%.
(3)  Reflect the amortization of core deposit intangibles and other goodwill.
     The average life of these intangibles is 15 years.
(4)  Reflect the income tax benefit due to reduced interest income and increased
     interest expense. An effective rate of 39.5% is used.






















                                                                             69.
<PAGE>   70

                                 Signature Page


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.

                             Blackhawk Bancorp, Inc.


DATE: May 19, 1998

By: /s/ Jesse L. Calkins
    -------------------------------
    Jesse L. Calkins
    Senior Vice President and Chief Financial Officer
















                                                                             70.
<PAGE>   71

                                Index to Exhibits

Exhibit                                                            Filed
No.           Description                                         Herewith

2.1          Agreement of Merger by and Among                        X
             Blackhawk Bancorp, Inc., Blackhawk
             Acquisition Corp. and First Financial
             Bancorp, Inc.



<PAGE>   1
Exhibit No. 2.1
                               AGREEMENT OF MERGER


                                  BY AND AMONG

              BLACKHAWK BANCORP, INC., BLACKHAWK ACQUISITION CORP.


                                       AND

                          FIRST FINANCIAL BANCORP, INC.


                             DATED AS OF MAY 7, 1998



<PAGE>   2

                                TABLE OF CONTENTS

<TABLE>
<S>               <C>      <C>                                                                                   <C>
ARTICLE I
    THE MERGER....................................................................................................2
                  1.1      The Merger.............................................................................2
                  1.2      Exchange Agent.........................................................................3
                  1.3      Funding of Exchange Agent..............................................................3
                  1.4      Closing; Effective Time................................................................4
                  1.5      Stock Options..........................................................................4

ARTICLE II
     STATEMENTS OF ESSENTIAL FACTS CONCERNING FIRST FINANCIAL.....................................................4
                  2.1      Organization, Good Standing and Authority..............................................4
                  2.2      Organizational Documents; Minutes and Stock Records....................................5
                  2.3      Capitalization of First Financial......................................................5
                  2.4      Financial Statements and Other Reports.................................................6
                  2.5      SEC Documents..........................................................................6
                  2.6      Undisclosed Liabilities................................................................7
                  2.7      Loan Portfolio and Delinquent Loans....................................................7
                  2.8      No Adverse Changes.....................................................................8
                  2.9      Conduct of Business in Normal Course...................................................8
                  2.10     Properties and Assets..................................................................8
                  2.11     Insurance..............................................................................9
                  2.12     Litigation and Compliance with Laws....................................................9
                  2.13     Conflict of Interest Transactions......................................................9
                  2.14     Significant Contracts.................................................................10
                  2.15     No Defaults...........................................................................11
                  2.16     Additional Schedules..................................................................11
                  2.17     Taxes.................................................................................11
                  2.18     Employee Compensation and Benefit Plans...............................................11
                  2.19     Authorization of Transactions.........................................................12
                  2.20     Environmental Suits and Proceedings...................................................12
                  2.21     Contaminated Properties...............................................................13
                  2.22     Change in Business Relationships......................................................13
                  2.23     Broker's and Finder's Fees............................................................13
                  2.24     Year 2000 Compliance..................................................................13

ARTICLE III
     STATEMENTS OF ESSENTIAL FACTS CONCERNING BLACKHAWK AND ACQUISITION CORP.....................................13
                  3.1      Corporate Existence...................................................................14
                  3.2      Financial Statements..................................................................14
                  3.3      Authorization of Transactions.........................................................14
                  3.4      Financial Resources...................................................................14
</TABLE>


                                      i
<PAGE>   3

<TABLE>
<S>               <C>      <C>                                                                                   <C>
ARTICLE IV
     ADDITIONAL AGREEMENTS.......................................................................................15
                  4.1      Conduct of Business of First Financial................................................15
                  4.2      Conduct of Business of Blackhawk......................................................17
                  4.3      Access to Information and Attendance at Board Meetings ...............................17
                  4.4      First Financial Stockholders' Meeting.................................................18
                  4.5      First Financial Proxy Materials.......................................................18
                  4.6      Reasonable Efforts....................................................................18
                  4.7      Regulatory Approvals..................................................................18
                  4.8      Business Relations and Publicity......................................................19
                  4.9      Loan Review...........................................................................19
                  4.10     No Conduct Inconsistent with this Agreement...........................................19
                  4.11     Board of Directors' Notices, Minutes, Etc.............................................20
                  4.12     Confidential Information..............................................................21
                  4.13     Maintenance of Capital Levels.........................................................21
                  4.14     No Control of First Financial by Blackhawk............................................21
                  4.15     Employees.............................................................................21
                  4.16     Indemnification and Directors' and Officers' Liability Insurance......................21
                  4.17     Board of Directors of First Financial and the Bank....................................22
                  4.18     Employee Benefit Plans................................................................22
                  4.19     First Financial Employment, Severance and Supplemental Agreements.....................24
                  4.20     Lease Agreement for Rockford Branch...................................................24
                  4.21     Subsidiary Bank Merger................................................................24
                  4.22     Stockholder Voting Agreements.........................................................25
                  4.23     Environmental Audits/Remediation......................................................25


ARTICLE V
     CONDITIONS PRECEDENT........................................................................................26
                  5.1.     Conditions Precedent to Obligations of Blackhawk and Acquisition Corp.................26
                  5.2      Conditions Precedent to Obligations of First Financial................................29

ARTICLE VI
     GENERAL PROVISIONS..........................................................................................32
                  6.1      Non-Survival of Statements of Essential Facts and Covenants...........................32
                  6.2      Further Assurances....................................................................32
                  6.3      Expenses..............................................................................32
                  6.4      Successors and Assigns................................................................33
                  6.5      Termination...........................................................................33
                  6.6      Notices...............................................................................34
                  6.7      Governing Law.........................................................................35
                  6.8      Counterparts..........................................................................35
                  6.9      Headings..............................................................................35
                  6.10     Entire Agreement; Amendment...........................................................35
</TABLE>


                                      ii
<PAGE>   4


EXHIBITS

Exhibit A               Form of Stock Option Cancellation Agreement
Exhibit B               Form of Stockholder Voting Agreement





                                      iii
<PAGE>   5

FIRST FINANCIAL DISCLOSURE SCHEDULES

Schedule 2.1            Bank Ownership of Voting Stock, etc.
Schedule 2.3            List of Option Holders
Schedule 2.6            Undisclosed Liabilities
Schedule 2.7(b)         Delinquent Loans
Schedule 2.10           Real Property and Leaseholds
Schedule 2.12           Litigation and Compliance with Laws
Schedule 2.13           Conflict of Interest Transactions
Schedule 2.14           Significant Contracts
Schedule 2.16(a)        Real Estate
Schedule 2.16(b)        Securities
Schedule 2.18           Post-Retirement Welfare Benefits
Schedule 2.21           Contaminated Properties
Schedule 2.24           Year 2000 Documents
Schedule 4.1(o)         Definition of Miller & Schroeder Loans




                              AGREEMENT OF MERGER

         This Agreement of Merger (this "Agreement") is made and entered into
as of the 7th day of May, 1998, by and among BLACKHAWK BANCORP, INC., a
Wisconsin corporation ("Blackhawk"), BLACKHAWK ACQUISITION CORP., a Delaware
corporation and wholly-owned subsidiary of Blackhawk ("ACQUISITION"), and FIRST
FINANCIAL BANCORP, INC., a Delaware corporation ("First Financial").

                 WHEREAS, the respective Boards of Directors of the parties
hereto deem it advisable and in the best interests of the parties hereto and
their respective stockholders to consummate the Merger (as defined in Section
1.1) between Acquisition  and First Financial, upon the terms and subject to
the conditions of this Agreement;

                 WHEREAS, concurrently with or as soon as practicable after the
Merger, Blackhawk and First Financial shall cause First Financial's
wholly-owned depository institution subsidiary, First Federal Savings Bank (the
"Bank"), to be merged with Blackhawk's wholly-owned depository institution
subsidiary, Blackhawk State Bank ("BSB") (the "Bank Merger"), such that BSB is
the resulting wholly-owned depository institution subsidiary of Blackhawk
(hereinafter sometimes called the "Surviving Bank") in the Bank Merger;




                                      iv
<PAGE>   6


                 WHEREAS, subsequent to the Merger and the Bank Merger,
Blackhawk intends to merge First Financial with and into Blackhawk with
Blackhawk surviving such merger and after such merger and the Bank Merger, BSB
shall continue to be a wholly-owned subsidiary of Blackhawk; and

                 WHEREAS, the parties hereto desire to make certain
representations, warranties, covenants and agreements in connection with this
Agreement and the Merger;

                 NOW THEREFORE, in consideration of the premises and the mutual
representations, warranties, covenants, agreements and conditions herein
contained, the parties hereto covenant and agree as follows:

                                   ARTICLE I

                                   THE MERGER

         1.1     The Merger.  Subject to the terms and conditions of this
Agreement and in accordance with the Delaware General Corporation Law ("DGCL"),
at the Effective Time (as defined in Section 1.4 hereof), Acquisition Corp.
shall be merged with and into First Financial (the "Merger").  The separate
corporate existence of Acquisition Corp. shall cease, and First Financial shall
be the surviving corporation (the "Surviving Corporation") in the Merger, shall
be considered the same business and corporate entity as each merging
corporation, and shall have the other properties, liabilities and attributes as
provided by the DGCL.  Pursuant to the Merger:

                 (a)    the Certificate of Incorporation of First Financial, as
in effect immediately prior to the Effective Time, shall be, from and after the
Effective Time, the Certificate of Incorporation of the Surviving Corporation;

                 (b)    the Bylaws of Acquisition Corp., as in effect
immediately prior to the Effective Time, shall be, from and after the Effective
Time, the Bylaws of the Surviving Corporation;

                 (c)    the directors of Acquisition Corp. immediately prior to
the Effective Time shall be, from and after the Effective Time, the directors
of the Surviving Corporation to serve until his or her death, resignation or
removal or until his or her successor is duly elected and qualified;

                 (d)    the officers of Acquisition Corp. immediately prior to
the Effective Time shall be, from and after the Effective Time, the officers of
the Surviving Corporation to serve until his or her death, resignation or
removal or until his or her successor is duly elected and qualified;

                 (e)    the 1,500 shares of common stock, without par value per
share, of Acquisition Corp., issued and outstanding immediately prior to the
Effective Time, shall be converted, without any action by the holder thereof,
into 100 shares of common stock, $0.10 par value per share, of the Surviving
Corporation; and



                                      1
<PAGE>   7
                 (f)    each share of common stock, $.10 par value per share,
of First Financial ("First Financial Share"), issued and outstanding
immediately prior to the Effective Time, other than First Financial Shares (i)
the holders of which have validly demanded appraisal of such shares pursuant to
Section 262 of the DGCL ("Section 262") and have not voted such shares in favor
of the Merger ("Dissenting Shares"), (ii) owned by First Financial as treasury
shares, if any, (iii) owned by the Recognition and Retention Plans (as defined
in Section 4.18(d)) and not allocated to participants thereunder, or (iv) owned
by Blackhawk, shall be converted by virtue of the Merger, automatically and
without action by the holder thereof, into the right to receive $30.00, less
the amount, if any, by which the Closing Equity (as defined below) is less than
$7,560,000, divided by the total number of First Financial Shares outstanding
plus any Options to purchase First Financial Shares, as defined in Section 1.5
hereof, outstanding as of the Effective Time (the "Merger Price"); provided,
however, that in no event shall the Merger Price be less than $29.00 per share.
Closing Equity is defined as the stockholders' equity of First Financial as of
the Closing Date determined in accordance with generally accepted accounting
principles, consistently applied, but (i) shall exclude the SFAS 115 adjustment
at the Closing Date; (ii) shall be reduced by any nonrecurring or extraordinary
net gains (including all cumulative securities gains) in excess of $5,000 since
December 31, 1997; and (iii) shall be reduced by all legal, accounting and
investment banking fees relating to the Merger, including any contingent fee
payments, not previously expensed or accrued for as of the Closing Date.

                 The Merger Price shall be  payable by Blackhawk, in cash,
without any interest thereon from the Effective Time until the time of payment,
at the Effective Time or such date thereafter as certificates shall be
surrendered in accordance with Section 1.2  of this Agreement.

                 (g)    The Dissenting Shares shall not be converted into the
right to receive the Merger Price at or after the Effective Time unless and
until the holder of such shares withdraws the demand for appraisal of their
shares or otherwise becomes ineligible to pursue appraisal rights under the
DGCL.  If converted into the right to receive the Merger Price or other amount
of consideration in settlement of an appraisal demand or by order of a court of
competent jurisdiction, the Dissenting Shares shall be canceled and shall cease
to exist.

                 (h)    At the Effective Time, all First Financial Shares
referred to in Section 1.1(f) (ii), (iii) and (iv) shall be canceled and shall
cease to exist, and no consideration shall be delivered in exchange therefor.

         1.2     Exchange Agent.  Prior to the Closing (as defined in Section
1.4), Blackhawk shall designate an exchange agent reasonably satisfactory to
First Financial to deliver to the stockholders of First Financial the cash to
which they are entitled pursuant to the Merger.  With the approval of First
Financial, not to be





                                       2
<PAGE>   8

unreasonably withheld, Blackhawk and the exchange agent shall prepare and
communicate to the stockholders of First Financial instructions and procedures
for the stockholders to tender certificates evidencing First Financial  Shares
to the exchange agent in exchange for the Merger Price.

         1.3     Funding of Exchange Agent.  Blackhawk shall irrevocably
deposit with the Exchange Agent at the Effective Time, by wire, or other
acceptable means approved by First Financial, the total amount of funds
required to be paid at the Effective Time pursuant to Section 1.1 hereof for
exchanges in accordance with this Agreement.

         1.4     Closing; Effective Time.  The closing of the transactions
contemplated by this Agreement (the "Closing") shall take place on such date
and at such time and place as the parties may mutually agree, which shall be no
later than the last business day of the calendar month in which all of the
conditions precedent to the Merger set forth in Article V have occurred if such
conditions shall have occurred not later than the 15th day of such month;
provided, however, that if such conditions shall have occurred later than the
15th day of such month, then the Closing shall take place no later than the
15th day of the next following month, unless such date is extended by mutual
agreement of the parties (hereinafter referred to sometimes as the "Closing
Date").  The parties hereto agree to file on the Closing Date a Certificate of
Merger, as contemplated by Section 251(c) of the DGCL. The Merger shall be
effective upon the close of business on the day when the Certificate of Merger
has been accepted for filing by the Delaware Secretary of State (the "Effective
Time") unless the parties otherwise subsequently agree.

         1.5     Stock Options.  Each holder of an option to acquire First
Financial Shares ("Option") awarded under the First Financial Bancorp, Inc.
1993 Incentive Stock Option Plan or the First Financial Bancorp, Inc. 1993
Stock Option Plan for Outside Directors (the "First Financial Option Plans"),
which is outstanding at the Effective Time shall receive from Blackhawk, as of
the Effective Time, whether or not the Option is then exercisable under the
terms of the First Financial Option Plans, a lump sum cash payment in an amount
equal to the product of (i) the number of First Financial Shares subject to
such Option at the Effective Time, and (ii) the amount, if any, by which the
Merger Price exceeds the exercise price per share of such Option, net of any
cash that must be withheld under federal and state income and employment tax
requirements.  Such cash payments shall be in consideration of, and shall
result in, the settlement and cancellation of all such Options.  As a condition
to the receipt of a lump sum cash payment in cancellation of all such Options,
each option holder shall execute a stock option cancellation agreement in
substantially the form attached hereto as Exhibit A.





                                       3
<PAGE>   9


                                   ARTICLE II

            STATEMENTS OF ESSENTIAL FACTS CONCERNING FIRST FINANCIAL

         This Agreement is entered into by Blackhawk upon the understanding,
and First Financial represents and warrants, that the following Statements of
Essential Facts, being the only representations or warranties made to Blackhawk
by or on behalf of First Financial in connection with the transactions
contemplated by this Agreement, are true and correct on the date of this
Agreement:

         2.1     Organization, Good Standing and Authority.  First Financial is
a corporation duly organized, validly existing and in good standing under the
laws of the State of Delaware and has the corporate power and authority to own
its property and assets and to carry on its business as it is now being
conducted.  First Financial is registered as a savings and loan holding company
under the Home Owners' Loan Act ("HOLA").  The Bank is a federal savings
association chartered under the laws of the United States of America and all of
its issued and outstanding shares of common stock are owned of record and
beneficially by First Financial.  The Bank is duly organized, validly existing
and in good standing under the laws of the United States of America and has the
corporate power and authority to own its property and assets and to carry on
its business as it is now being conducted.  The Bank is a member in good
standing of the Federal Home Loan Bank System.  The deposits of the Bank are
insured up to applicable limits by the Federal Deposit Insurance Corporation
(the "FDIC") through the Savings Association Insurance Fund.  The Bank does not
own or control any voting stock or equity securities of any other entity,
except as set forth in Schedule 2.1.

         2.2     Organizational Documents; Minutes and Stock Records.  First
Financial has furnished Blackhawk a copy of its Certificate of Incorporation
and bylaws and the charter and bylaws of the Bank, in each case as amended to
the date hereof, and such other documents relating to the authority of First
Financial and the Bank to conduct their business as Blackhawk has requested.
All such documents are complete and correct copies of the original documents.
The stock register of First Financial and minute books of First Financial and
the Bank are complete and correct in all material respects and accurately
reflect all meetings, consents and other actions of the organizers,
incorporators, shareholders and stockholders (as the case may be), Board of
Directors and committees of the Board of Directors of First Financial and the
Bank and all transactions in the capital stock of First Financial and the Bank,
occurring since First Financial's initial organization.

         2.3     Capitalization of First Financial.  The authorized capital
stock of First Financial consists of 1,500,000 shares of common stock, $.10 par
value per share, of which 415,452 shares are issued and outstanding and 250,000
shares of preferred stock, $.01 par value per share, of which no shares are
issued





                                       4
<PAGE>   10

and outstanding.  21,082 shares of common stock are reserved for issuance upon
the exercise of options issued under the First Financial Option Plans of which
11,461 are subject to options presently outstanding.  Set forth on Schedule 2.3
is a list of the option holders and the exercise price for each Option.  The
issued and outstanding shares of First Financial have been duly and validly
authorized and issued and are fully paid and nonassessable.  Except for the
aforesaid options to purchase shares of First Financial Common Stock (which
shall be canceled pursuant to Section 1.5 hereof), and except for the rights of
Blackhawk under this Agreement there are or will be at the Closing no options,
agreements, contracts or other rights in existence to purchase or acquire from
First Financial any shares of capital stock of First Financial, whether now or
hereafter authorized or issued.  There are 3,043 First Financial Shares owned
by the Recognition and Retention Plans (as defined in Section 4.18(d)) and not
allocated to participants thereunder.

         2.4     Financial Statements and Other Reports.  First Financial has
furnished Blackhawk true and complete copies of the following financial
statements and reports of First Financial and the Bank:

                 (a)    Consolidated Statements  of Financial Condition,
Statements of Income, Statements of Cash Flows and Statements of Stockholders'
Equity of First Financial at and for the years ended December 31, 1997, 1996
and 1995 (collectively, the "First Financial Financial Statements");

                 (b)    Thrift Financial Reports filed by the Bank with the 
Office of Thrift Supervision (the "OTS") for the fiscal years ended December 
31, 1997 and 1996;

                 (c)    Unaudited Consolidated Statement of Financial Condition 
and Statement of Operations of First Financial for and at the two month period
ended February 28, 1998.

                 The First Financial Statements described in clause (a) above
are audited and have been prepared in conformity with generally accepted
accounting principles applied on a consistent basis, and, together with the
notes thereto, present fairly in all material respects the financial position
of First Financial at the dates shown and the results of operations for the
years then ended.

                 The information contained in the reports described in clauses
(b) and (c) above do 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 made therein not misleading.

         2.5     SEC Documents.  First Financial  has made available to
Blackhawk a true and complete copy of each report, schedule, registration
statement and definitive proxy statement filed by First Financial with the
Securities and Exchange Commission (the "SEC") (other than reports filed
pursuant to Section 13(d) or 13(g) of the Securities Exchange Act of 1934 (the
"Exchange Act")) since December 31, 1992 (as such documents have since the time
of their filing been amended, the "First Financial SEC Documents"), which are
all the documents (other than preliminary material and reports required
pursuant to Section 13(d) or 13(g)





                                       5
<PAGE>   11

of the Exchange Act) that First Financial was required to file with the SEC
since such date.  As of their respective dates of filing with the SEC, the
First Financial SEC Documents complied in all material respects with the
requirements of the Securities Act of 1933, as amended (the "Securities Act"),
or the Exchange Act, as the case may be, and the rules and regulations of the
SEC thereunder applicable to such First Financial 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 First Financial included in the First Financial 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-QSB of the SEC) and fairly present in all material respects the
consolidated financial position of First Financial as of the dates thereof and
the consolidated results of operations, changes in stockholders' equity and
cash flows for the years then ended.  All material agreements, contracts and
other documents required to be filed as exhibits to any of the First Financial
SEC Documents have been so filed.

         2.6     Undisclosed Liabilities.  As of the date hereof, except for
those liabilities that are fully reflected or reserved against in the First
Financial Financial Statements, liabilities disclosed in Schedule 2.6 and
liabilities incurred in the ordinary course of business since December 31,
1997, neither First Financial nor any of its Subsidiaries has incurred any
liability of any nature whatsoever (whether absolute, accrued, contingent or
otherwise and whether due or to become due) that, either alone or when combined
with similar liabilities, has had, or could reasonably be expected to have, a
Material Adverse Effect on First Financial.  As used in this Agreement, the
term "Material Adverse Effect," means, with respect to First Financial or
Blackhawk, as the case may be, a material 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 Merger.  The word "Subsidiary" or
"Subsidiaries" when used in this Agreement with respect to any party means any
bank, corporation, partnership, limited liability company, or other
organization, whether incorporated or unincorporated, which is consolidated
with such party for financial reporting purposes.

         2.7     Loan Portfolio and Delinquent Loans.
                 (a)    The loans contained in the loan portfolio of the Bank
are evidenced by promissory notes or other evidences of indebtedness, which,
with all ancillary security documents, constitute valid and





                                       6
<PAGE>   12

binding obligations of the Bank and, to the best of First Financial's
knowledge, each of the other parties thereto, enforceable in accordance with
their terms except as limited by applicable bankruptcy, insolvency, moratorium
or other similar laws affecting the enforcement of creditors' rights and
remedies generally and by applicable laws or principles of equity that may
affect the availability of equitable remedies.  No party liable to the Bank
with respect to such loans has notified the Bank regarding any defense, set-off
or counterclaim and to the best of First Financial's knowledge none of such
loans is subject to any defense, set-off or counterclaim, and all such loans
which are secured, as evidenced by the ancillary security documents, are so
secured by valid and enforceable liens.

                 (b)    Except as set forth in Schedule 2.7(b), neither First
Financial nor any First Financial Subsidiary is a party to any written or oral
loan agreement, note or borrowing arrangement the unpaid principal balance of
which exceeds $25,000 and as to which the obligator is more than 90 days
delinquent in payment of principal and interest or on which First Financial or
any First Financial Subsidiary has stopped accruing interest.

                 (c)    The Bank's allowance for loan losses as of the date
hereof has been calculated in accordance with prudent and customary banking
practices and is adequate to reflect the risk inherent in the Bank's loan
portfolio.

         2.8     No Adverse Changes.  Other than as specifically disclosed in
this Agreement, the First Financial Financial Statements, the schedules or
exhibits provided for herein, or any other writing delivered to Blackhawk,
since December 31, 1997, there has not occurred any material adverse change or
any condition, event, circumstance, fact or occurrence (other than changes
resulting from or attributable to changes in laws, regulations and generally
accepted accounting principles or interpretations) that may reasonably be
expected to result in a Material Adverse Effect on First Financial.

         2.9     Conduct of Business in Normal Course. The business of First
Financial has, since December 31, 1997, been conducted only in the ordinary and
usual course consistent with past practice.

         2.10    Properties and Assets.  The assets reflected in the most
recent of the First Financial Financial Statements or identified in this
Agreement or the schedules or exhibits provided for herein include
substantially all of the assets owned by First Financial, except for those
subsequently disposed of for fair value or otherwise abandoned or disposed of
as worthless in the ordinary course of business.  First Financial has a valid
right to use or a valid leasehold interest in, all real property used by it in
the conduct of its business as it is now being conducted, subject to no
mortgage, pledge, lien, option, conditional sale agreement, encumbrance,
security interest, title exceptions or restrictions or claim or charge of any
kind except for (i) liens for taxes not yet due and payable, (ii) rights of
other parties under leases or other





                                       7
<PAGE>   13

arrangements by which First Financial uses such real property, and (iii) minor
imperfections of title none of which is substantial in amount, materially
detracts from the value or impairs First Financial's present use of the
property.  To the best of First Financial's knowledge, all material
certificates, licenses, and permits required for the lawful use and occupancy
of such real property by First Financial, have been obtained and are in full
force and effect.  All material tangible personal property owned by First
Financial, or used by it in its business and necessary for the operation of its
business, is in good working condition, normal wear and tear excepted.  A legal
description of all real property currently owned or leased by First Financial
and its Subsidiaries, including properties held by its Subsidiaries as a result
of foreclosure or repossession or carried on First Financial's books as "real
estate owned", has been provided as Schedule 2.10 of the First Financial
Disclosure Schedules.

         2.11    Insurance.  First Financial has furnished Blackhawk with a
Schedule of Insurance that sets forth a complete and correct list of all
policies of insurance in which First Financial is named as an insured party,
which otherwise relate to or cover any assets, properties, premises, operations
and personnel of First Financial or which is owned or carried by First
Financial.  First Financial has in full force and effect the policies of
insurance set forth in such Schedule.  There has been no notice given by any
party of interest in or to any such policies claiming any breach or violation
of any provisions thereof, disclaiming or denying any coverage thereof, or
canceling or threatening cancellation of any such insurance contracts.  First
Financial's policies of insurance comply with the requirements of any contracts
binding on First Financial or its Subsidiaries relating to its assets or
properties.  First Financial believes that such insurance is reasonably
sufficient to protect it from risks associated with the operation of its
business.

         2.12    Litigation and Compliance with Laws.  First Financial and the
Bank, and, to the best of First Financial's knowledge, the Bank's
institution-affiliated parties (as defined in 12 U.S.C. Section 1813(u)), are
each in substantial compliance with all material applicable federal, state,
county and municipal laws and regulations (a) that regulate or are concerned in
any way with the business of banking or acting as a fiduciary, including those
laws and regulations relating to the investment of funds, the taking of
deposits, the extension of credit, the collection of interest, and the location
and operation of banking facilities or (b) that otherwise relate to or affect
the business or assets of the Bank or the assets owned, used or occupied by it.
Except as disclosed in Schedule 2.12, (i) there are no claims, actions, suits,
orders or proceedings pending, or, to the knowledge of First Financial,
threatened against First Financial or the Bank, or, to the knowledge of First
Financial, the Bank's institution-affiliated parties (in their capacities as
such), at law or in equity, or before any federal, state, municipal or other
governmental authority, or before any arbitrator or arbitration panel, whether
by contract or otherwise, and (ii) there is no decree, judgment, order or
supervisory agreement in





                                       8
<PAGE>   14

existence against or restraining First Financial or the Bank, or any of the
Bank's institution-affiliated parties from taking any actions of any kind in
connection with the business of First Financial or the Bank, as the case may
be.  First Financial has not received from any regulatory authority any notice
of, nor to the knowledge of First Financial does there exist any threat of,
enforcement actions.

         2.13    Conflict of Interest Transactions.  Except as reflected in
Schedule 2.13, no executive officer or director of First Financial, or holder
of 10% or more of the common stock of First Financial, or any member of the
immediate family of any such person has, since December 31, 1997, been involved
in any transaction with First Financial (excluding transactions in deposit
accounts) that involves an amount in excess of $15,000 or has been involved in
any other material transaction with First Financial or has had loans or any
commitment to loan outstanding from the Bank involving in excess of $15,000.

         2.14    Significant Contracts.  Schedule 2.14 sets forth a Schedule of
Significant Contracts, and completely and accurately lists the following
contracts, commitments or arrangements (whether written or oral) under which
First Financial is obligated on the date hereof:

                 (a)    All consulting arrangements, and contracts for
professional and other services, including those under which First Financial
performs services for others, that are not terminable by First Financial
without damages or penalty with thirty (30) days notice;

                 (b)    All leases of real estate or personal property,
exclusive of leases of personal property whereunder total annual rentals are,
in each instance, less than $5,000;

                 (c)    All contracts, commitments and agreements for the
purchase, acquisition, development, sale or disposition of real or personal
property, exclusive of conditional sales contracts and security agreements for
the acquisition of personal property whereunder total future payments are, in
each instance, less than $5,000;

                 (d)    All employee benefit plans (as defined in Section 3(3)
of the Employee Retirement Income Security Act of 1974 ("ERISA")) under which
First Financial or the Bank has or may have any obligation ("First Financial
ERISA Plans"), and all employment contracts, supplemental executive agreements,
severance agreements and all other employee compensation arrangements and all
other bonus, deferred compensation, pension, retirement, salary continuation
agreements, profit sharing, stock option, stock purchase, stock appreciation
and other employee benefit plans, formal or informal, under which First
Financial or the Bank has or may have any obligation ("First Financial
non-ERISA Plans") and, together with the First Financial ERISA Plans, the
"First Financial Benefit Plans");





                                       9
<PAGE>   15


                 (e)    All outstanding loans, loan commitments, letters of
credit or other financial accommodations, including modification or amendments
thereof, extended by the Bank for the benefit of others wherein the total loan
and/or commitment of the Bank  exceeds $200,000;

                 (f)    All union and other labor contracts;

                 (g)    All agreements, contracts, mortgages, loans, deeds of
trust, leases, commitments, indentures, notes, instruments and other
arrangements, which are with officers or directors of First Financial, any
affiliates of First Financial within the meaning of Section 23A of the Federal
Reserve Act, or any record or beneficial owner of 10% or more of the common
stock of First Financial, excepting any ordinary and customary banking
relationships that comply with applicable banking regulations; and

                 (h)    Each other material contract to which First Financial
is a party or under which it is obligated made other than in the usual or
ordinary course of business and which is not terminable by First Financial
without damages or penalty with thirty (30) days notice.

         2.15    No Defaults.  To the best of its knowledge, First Financial
has fulfilled and taken all action reasonably necessary to date to enable it to
fulfill when due, all material obligations under all contracts, commitments and
arrangements to which it is a party, and there are no material defaults and no
events have occurred that, with the lapse of time or election of any other
party, will become material defaults by it under any such contracts,
commitments or arrangements.

         2.16    Additional Schedules.  The following additional schedules are
attached hereto:  (a)  Schedule 2.16(a), which is a Real Estate Schedule
describing all real estate owned by or in which First Financial has any
interest as of the date of this Agreement, or which is the subject of pending
foreclosure proceedings by First Financial, indicating in each case whether
such real estate is improved and the nature of any material encumbrances or
defects of title of which First Financial has knowledge; and (b)  Schedule
2.16(b), which is a Securities Schedule of all investment securities owned by
First Financial as of March 31, 1998.  Such schedules are complete and correct.

         2.17    Taxes.  No application for extension of time for filing any
tax return or consent to any extension of time for filing any tax return or
consent to any extension of the period of limitations applicable to the
assessment or collection of any tax is in effect with respect to First
Financial, and all tax returns and information returns required to be filed by
First Financial with the United States or any state or local government unit
have been, and until the Closing will have been, timely filed.  First Financial
is not delinquent in the payment of any taxes claimed to be due by any taxing
authority and adequate provisions for taxes have been made on its books.  None
of First Financial's federal or state income tax returns is being examined by
the appropriate federal or state agency.  First Financial has not received any
notice of any





                                       10
<PAGE>   16

proposed deficiency for any duty, tax, assessment or governmental charge, and
there are no pending claims with respect thereto.  First Financial is a member
of a consolidated group for purposes of the Internal Revenue Code of 1986, as
amended (the "Code").

         2.18    Employee Compensation and Benefit Plans.  To the best of First
Financial's knowledge, each of the First Financial Benefit Plans has been
administered, in all material respects, in compliance with its terms and the
requirements of applicable law.  First Financial does not maintain any First
Financial Benefit Plan nor has it entered into any document, plan or agreement,
other than the First Financial Option Plans, the Recognition and Retention
Plans (as defined in Section 4.18(d)), an employment agreement with Steven C.
Derr, severance agreements with Steven C. Derr, Keith D. Hill, Robert W.
Opperman and Donald J. Kucera, and supplemental executive agreements with
Messrs. Derr and Hill relating to "gross up" for any excess parachute amounts
under Section 280G of the Code, which contains, directly or indirectly, any
change in control provisions that would cause an increase or acceleration of
benefits or benefit entitlements to employees or former employees of First
Financial or their respective beneficiaries, or other event that would cause an
increase in liability to First Financial as a result of the transactions
contemplated by this Agreement.  First Financial does not have and has not had
any First Financial Benefit Plans which are subject to Title IV of ERISA.
Neither First Financial nor any of its affiliates, its employees, directors or
agents, or any fiduciary, has engaged in any "Prohibited Transaction" (as
defined in Section 406 of ERISA or 4975(c)(1) of the Code) that is not exempt
under Section 4975(c)(l) or (d) of the Code or Section 407 or 408 of ERISA with
respect to any First Financial ERISA Plan.  Each First Financial ERISA Plan
that is intended to be qualified under Section 401 and related provisions of
the Code is the subject of a determination letter from the Internal Revenue
Service to the effect that it is so qualified under the Code.  No matter is
pending relating to any First Financial Benefit Plan before any court or
governmental agency.  Neither First Financial, nor any of its affiliates is, or
has ever been, obligated to contribute to a multiemployer plan (as defined in
Section 3(37) of ERISA).  Except as required pursuant to the Consolidated
Omnibus Budget Reconciliation Act of 1985, Section 4980B of the Code and
Section 601 of ERISA or as reflected on Schedule 2.18 delivered pursuant
hereto, neither First Financial, nor any other party on behalf of First
Financial, has any obligation or commitment to provide health, disability, or
life insurance or similar welfare benefits to former employees or members of
their families.

         2.19    Authorization of Transactions.  The execution, delivery and
performance of this Agreement by First Financial have been duly authorized by
the Board of Directors of First Financial.  Subject to approval by the
stockholders of First Financial as contemplated by Section 5.1(d) hereof, First
Financial has full corporate power to execute, deliver and perform this
Agreement and to consummate the transactions herein





                                       11
<PAGE>   17

contemplated, and such execution, delivery and performance does not violate any
provisions of the Certificate of Incorporation or bylaws of First Financial or
the charter or bylaws of the Bank or any orders, agreements or directives to
which First Financial or the Bank is a party or is otherwise bound.  Except for
the regulatory approvals referred to in Section 5.1(c) or approval of
stockholders referred to in Section 5.1(d) hereof, no consent of any regulatory
authority or other person is required to be obtained by First Financial in
order to permit First Financial to perform its obligations hereunder or to
permit consummation of the Merger.

         2.20    Environmental Suits and Proceedings.  There is no action, suit
or other proceeding, ruling, order, or citation involving First Financial or
any of its assets, existing now or previously asserted nor is there any
investigation, liability or inquiry pending or, to the knowledge of First
Financial, threatened.

         2.21    Contaminated Properties.  As of the date hereof:
                 (a)    Except as disclosed in Schedule 2.21, none of the
properties owned or leased by First Financial or, to the knowledge of First
Financial, held by First Financial as a fiduciary for the account of others, or
which collateralize any outstanding material loan or line of credit, whether or
not such loan or line of credit is or has been in default, is contaminated with
any wastes or hazardous substances, as defined below, except in compliance with
Environmental Laws, as defined in Section 4.23.

                 (b)    First Financial neither is nor may it 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 and which would subject it to any
liability under such Act.

         2.22    Change in Business Relationships.  Except as described in
writing to Blackhawk, First Financial has no actual notice, whether on account
of this Agreement or otherwise, that any customer, agent, representative or
supplier intends to discontinue, diminish, or change its relationships with
First Financial, the effect of which would have a Material Adverse Effect on
First Financial.

         2.23    Broker's and Finder's Fees.  First Financial has not incurred
any obligation or liability, contingent or otherwise, for any brokerage
commission or finder's fee or like compensation in respect of the transactions
contemplated hereunder except for fees and expenses that may be owed to Howe
Barnes Investments, Inc. for investment banking services.

         2.24    Year 2000 Compliance.  The Bank is in compliance in all
material respects with the Year 2000 guidelines of the Federal Financial
Institutions Examination Counsel as set forth in its Interagency Statement
dated May 5, 1997.  Schedule 2.24 lists the documents the Bank has provided to
Blackhawk that relate to the Bank's compliance with the Interagency Statement,
and all such documents are true, correct and complete in all material respects
as of the date hereof.





                                       12
<PAGE>   18


                                  ARTICLE III

               STATEMENTS OF ESSENTIAL FACTS CONCERNING BLACKHAWK

                                      AND

                               ACQUISITION CORP.

         This Agreement is entered into by First Financial upon the
understanding, and Blackhawk and Acquisition Corp. represent and warrant, that
the following Statements of Essential Facts, being the only representations or
warranties made to First Financial by or on behalf of Blackhawk and Acquisition
Corp. in connection with the transactions contemplated by this Agreement, are
true and correct on the date of this Agreement:

         3.1     Corporate Existence.  Blackhawk is a corporation duly
organized and validly existing under the laws of the State of Wisconsin and has
the corporate power and authority to own its property and assets and to carry
on its business as now being conducted.  Acquisition Corp. is a corporation
duly organized, validly existing and in good standing under the laws of the
State of Delaware, and Blackhawk owns all of the issued and outstanding voting
stock of Acquisition Corp.

         3.2     Financial Statements.  Blackhawk has furnished First Financial
true and complete copies of its Consolidated Balance Sheet, Statements of
Income, Statements of Cash Flow and Statements of Stockholders' Equity at and
for the years ended December 31, 1997, 1996 and 1995 (collectively, "Blackhawk
Financial Statements").  The Blackhawk Financial Statements are audited and
have been prepared in accordance with generally accepted accounting principles
applied on a consistent basis, and, together with the notes thereto, present
fairly the financial position of Blackhawk at the dates shown and the results
of operations for the periods then ended.

         3.3     Authorization of Transactions.  The execution, delivery and
performance of this Agreement by Blackhawk have been duly authorized by the
Board of Directors of Blackhawk, this being the only authorization required
under Blackhawk's Articles of Incorporation, its bylaws, or governing statutes.
Blackhawk has full corporate power to execute, deliver and perform this
Agreement and to consummate the transactions herein contemplated, and such
execution, delivery and performance does not violate any provisions of the
Articles of Incorporation of Blackhawk, its bylaws, or any orders, agreements
or directives to which Blackhawk is a party or is otherwise bound.  The
execution, delivery and performance of this Agreement by Acquisition Corp. have
been duly authorized by the Board of Directors of Acquisition, this being the
only authorization required under Acquisition Corp.'s Certificate of
Incorporation, its bylaws, or governing statutes.  Blackhawk, in its capacity
as the sole stockholder of Acquisition Corp., has approved this Agreement as
required by the DGCL.  Except for the regulatory approvals referred to in
Section 5.1(c)





                                       13
<PAGE>   19

hereof, no consent of any regulatory authority or other person is required to
be obtained by Blackhawk in order to permit Blackhawk to perform its
obligations hereunder or to permit consummation of the Merger.

         3.4     Financial Resources.  Blackhawk has the financial wherewithal,
whether by using its internal funds, external financing, or both, to perform
its obligations under this Agreement.  Blackhawk and its Subsidiaries are, and
will be following the Merger, in compliance with all applicable capital, debt
and financial and non-financial criteria of state and federal banking agencies
having jurisdiction over them.  Blackhawk has no knowledge of any facts or
conditions applicable to it or its Subsidiaries that would reasonably lead
Blackhawk to believe the Merger will not be approved by the Board of Governors
of the Federal Reserve System (the "Federal Reserve") and any other state or
federal banking agencies having jurisdiction over the transactions contemplated
hereby or that such approvals would be delayed.

                                   ARTICLE IV

                             ADDITIONAL AGREEMENTS

         4.1     Conduct of Business of First Financial.  Between the date
hereof and the Closing Date, First Financial shall conduct its business and
shall cause the Bank to conduct its business in the usual and ordinary course
consistent in all material respects with prudent banking practices.  Without
limiting the foregoing, without the prior written consent of Blackhawk:

                 (a)    First Financial shall, and shall cause the Bank to,
make no changes in their respective charter or bylaws or in the number of
issued and outstanding shares, except for changes resulting from the exercise
of existing Options in accordance with their terms;
                 (b)   First Financial shall, and shall cause the Bank to, not
increase the compensation of their directors, officers or employees except
consistent with prior practice and not to exceed 4% in any given case, and not
award or pay bonuses to directors, officers or employees except consistent with
prior practice and in any event not to exceed $23,000 in the aggregate for all
directors, officers and employees; provided, however, that notwithstanding the
limitation in this Section 4.1(b) concerning paying bonuses to directors,
Blackhawk agrees that First Financial may pay a bonus on the Closing Date in an
amount up to $15,000 to its Chairman of the Board in consideration for the
services rendered by the Chairman to First Financial in connection with the
Merger and such amount shall not be counted in determining the aggregate
bonuses paid to directors, officers and employees for purposes of the $23,000
limit.

                 (c)    First Financial shall, and shall cause the Bank to,
make no loan for $250,000 or more (including aggregation of loans to any one
customer or related entities) except for loans currently committed to be made
pursuant to written commitment letters, and First Financial shall, and shall
cause the Bank to,





                                       14
<PAGE>   20

make no other loans, or renewals or restructuring of loans except in the
ordinary course of business and consistent in all material respects with
prudent banking practices and policies and applicable rules and regulations of
federal or state banking agencies ("Regulatory Authorities") with respect to
amount, terms, security and quality of the borrower's credit;

                 (d)    First Financial shall not declare or pay any stock
dividend, cash dividend or other distribution without the prior written consent
of Blackhawk;
                 (e)    First Financial shall, and shall cause the Bank to, use
their best efforts to maintain their present insurance coverage in respect of
their respective properties and businesses;
                 (f)     First Financial shall, and shall cause the Bank to,
make no significant changes, outside the ordinary course of business, in the
general nature of the business conducted by First Financial and the Bank,
including but not limited to the investment or use of their assets, the
liabilities they incur, or the facilities they operate;
                 (g)    First Financial shall, and shall cause the Bank to, not
enter into any employment, consulting or other similar agreements that are not
terminable on 30 days' notice or less without penalty or obligation (beyond the
notice period of 30 days or less);
                 (h)    First Financial shall, and shall cause the Bank to, not
take any action that would result in a termination, partial termination,
curtailment, discontinuance or merger into another plan or trust of any First
Financial Benefit Plan, except as provided in this Agreement;
                 (i)    First Financial shall, and shall cause the Bank to,
timely file all required tax returns with all applicable taxing authorities and
will not make any application for or consent to any extension of time for
filing any tax return or any extension of the period of limitations applicable
thereto;
                 (j)    Except as already reflected in the Financial
Statements, First Financial shall, and shall cause the Bank to, not make any
expenditure for fixed assets in excess of $10,000 for any single item, or
$25,000 in the aggregate, or enter into any lease of fixed assets; provided,
however, that this paragraph (j) shall not apply to expenditures for fixed
assets already contracted for as of the date hereof relating to the Bank's
Rockford facility which amounted to $41,926;
                 (k)    First Financial shall, and shall cause the Bank to, not
incur any liabilities or obligations, make any commitments or disbursements,
acquire or dispose of any property or asset, make any contract or agreement, or
engage in any transaction, except in the ordinary course consistent in all
material respects with prudent banking practices;
                 (l)    First Financial shall, and shall cause the Bank to,
only purchase or invest in instruments permitted by the Bank's investment
policy, including, but not limited to, obligations of the





                                       15
<PAGE>   21

government of the United States, agencies of the United States or
mortgage-backed securities, and to not execute individual investment
transactions of greater than $525,000;
                 (m)    First Financial shall, and shall cause the Bank to,
make no changes of a material nature in their accounting procedures, methods,
policies or practices or the manner in which they conduct their businesses and
maintain their records;
                 (n)    First Financial shall, and shall cause the Bank, not 
to borrow funds from third parties and, in turn, invest such funds in assets 
other than loans that the Bank originates; and
                 (o)    First Financial shall use its best efforts to assist
Blackhawk in the sale of the "Miller & Schroeder" loans owned by either First
Financial or the Bank, all of which loans are set forth on Schedule 4.1(o).
Neither a contract of sale shall be entered into nor shall the consummation of
the sale of such loans occur until after the Effective Time unless otherwise
agreed to by First Financial, and such sale after the Effective Time shall not
affect the calculation of the Merger Price set forth in Section 1.1(f).

         4.2     Conduct of Business of Blackhawk. Between the date hereof and
the Closing Date, the business of Blackhawk shall be conducted (and Blackhawk
shall cause the business of its Subsidiaries to be conducted) in the usual and
ordinary course consistent in all material respects with prudent banking
practices and in a manner that will not adversely affect Blackhawk's  ability
to obtain all necessary regulatory approvals for the transactions contemplated
hereby or Blackhawk's ability to perform its obligations under this Agreement.

         4.3     Access to Information and Attendance at Board Meetings.
Pending the Closing, First Financial shall (a) give Blackhawk and its
representatives full access to further information (including, but not limited
to, records, files, correspondence, tax work papers and audit work papers) with
respect to First Financial (other than records, files, correspondence and
findings of the Board of Directors related to the possible sale of First
Financial), (b) supply to Blackhawk and its representatives, as soon as they
become available, all reports on loans and investments of First Financial,
month-end prepared balance sheets and profit and loss statements, internal and
external audit reports and such other reports of First Financial that Blackhawk
may reasonably request, and (c) to the extent permissible under law, transmit
to Blackhawk copies of all notices, minutes, consents, Board packages and other
materials that First Financial and the Bank provide to their respective
directors, other than materials relating to any possible sale of First
Financial or the Bank. Blackhawk shall  use such information solely for the
purpose of conducting business, legal and financial reviews of First Financial
and for such other purposes as may be related to this Agreement.  Pending the
Closing, representatives of Blackhawk shall, during normal business hours and
on reasonable advance notice to First Financial, be given full access to First
Financial's records and business activities and afforded





                                       16
<PAGE>   22

the opportunity to observe its business activities and consult with its
directors and officers regarding the same on an ongoing basis (without limiting
the foregoing, to verify compliance by First Financial with all terms of this
Agreement), provided that the foregoing do not interfere with the business
operations of First Financial.  Furthermore, pending the Closing, a director or
senior officer of Blackhawk may attend meetings of the Boards of Directors of
First Financial and the Bank, and First Financial and the Bank shall give
Blackhawk reasonable advance notice of the date, place and time of such
meetings; provided, however, that First Financial and the Bank shall have the
right to exclude the Blackhawk representative from any meeting or any portion
of a meeting during which the sale of First Financial or the Bank is expected
to be discussed.  Notwithstanding this Section 4.3 and other than as set forth
in this Agreement, the management of First Financial and the authority to
establish and implement its business policies shall reside solely in First
Financial's officers and Board of Directors.

         4.4     First Financial Stockholders' Meeting.  As soon as practicable
following the execution and delivery of this Agreement by the parties hereto,
First Financial shall call and hold a meeting of its stockholders (the
"Stockholders Meeting") to act upon and consider this Agreement and the
transactions contemplated herein in accordance with its Certificate of
Incorporation, its bylaws, and the applicable statutes of the State of
Delaware.  First Financial, acting through its Board of Directors, shall
recommend to its stockholders, consistent with its fiduciary duties, approval
of this Agreement and the Merger.

         4.5     First Financial Proxy Materials.  (a) As soon as practicable
following the execution and delivery of this Agreement by the parties hereto,
First Financial shall prepare and mail to the holders of the First Financial
Shares appropriate proxy materials (the "Proxy Materials"), including a notice
of the meeting, proxy statement and form of proxy that comply with applicable
laws and regulations.  Blackhawk shall furnish to First Financial all
information concerning Blackhawk required for inclusion in the Proxy Materials,
and all such information shall be true and correct in all material respects
without omission of any material fact required to be stated to make the
information stated therein not misleading.  In the Proxy Materials, First
Financial shall present this Agreement and the transactions contemplated hereby
for approval by the holders of the First Financial Shares at the Stockholders
Meeting.  Before the Proxy Materials are filed with the SEC and again before
the materials are mailed to the holders of the First Financial Shares, First
Financial's legal counsel shall deliver a copy of such materials to Blackhawk's
legal counsel, and Blackhawk's legal counsel shall have a reasonable amount of
time to review such materials before filing or mailing, as the case may be.

         4.6     Reasonable Efforts.  The parties to this Agreement agree to
use their reasonable efforts in good faith to satisfy the various conditions to
Closing and to consummate the Merger as soon as practicable.  None of the
parties hereto shall intentionally take or intentionally permit to be taken any
action that would





                                       17
<PAGE>   23

be in breach of the terms or provisions of this Agreement or that would cause
any of the representations contained herein to be or become untrue.

         4.7     Regulatory Approvals.  Within thirty (30) calendar days after
the date of this Agreement, Blackhawk shall make all appropriate initial
filings necessary to obtain the regulatory approvals referred to in Section
5.1(c) hereof, and First Financial shall cooperate fully in the process of
obtaining all such approvals.  Blackhawk shall provide First Financial and its
legal counsel with copies of all applications when filed and all
correspondence, notices and approvals when received.

         4.8     Business Relations and Publicity.  First Financial shall use
reasonable efforts to preserve its reputation and relationships with suppliers,
clients, depositors, customers, employees and others having business relations
with First Financial.  No press release or other communication in connection
with or relating to this Agreement or the transactions contemplated hereby
(other than communications with appropriate regulatory authorities) shall be
issued or made without the prior mutual consent of the parties hereto;
provided, however, that either party may release information in connection with
or relating to this Agreement or the transactions contemplated hereby if the
party releasing the information believes such release is required by law.

         4.9     Loan Review.  Prior to the Closing, Blackhawk and its
representatives shall be entitled to periodically review the Bank's loan
portfolio, and shall be furnished with full information regarding the status of
each loan contained therein.

         4.10    No Conduct Inconsistent with this Agreement.
                 (a)    First Financial agrees that it will not, during the
term of this Agreement, (i) solicit, encourage or authorize or take any other
action to facilitate any inquiries or proposals that constitute, or may be
reasonably expected to lead to, any Transaction Proposal, as defined below, or
discuss or negotiate with any Person, as defined below, in furtherance of such
inquiries or to obtain a Transaction Proposal, or agree to or endorse any
Transaction Proposal, or authorize or permit any of its officers, directors, or
employees or any investment banker, financial advisor, attorney, accountant, or
other representative retained by it or any of its Subsidiaries to take any such
action; provided, however, that the Board of Directors of First Financial may,
in response to an unsolicited written proposal from a third party regarding a
Superior Proposal, as defined below, furnish or cause to be furnished
information to and engage in discussions with such third party, but only if the
Board of Directors of First Financial  shall determine in good faith and based
upon an opinion of its outside counsel that failure to take such action could
be reasonably expected to result in a breach of the fiduciary duties of such
Board under applicable law.  In the event that the Board furnishes information
to or engages in such discussions with any Person, First Financial shall
promptly notify





                                       18
<PAGE>   24

Blackhawk orally and in writing of all of the relevant details relating to all
inquiries and proposals that it may receive relating to any of such matters and
provide Blackhawk with copies of all materials delivered to such Person.

                 (b)    As used herein, "Superior Proposal" means a bona fide,
written and unsolicited proposal or offer made by any Person with respect to a
Transaction Proposal, as defined below, on terms that the Board of Directors of
First Financial determines in good faith, and in the exercise of its reasonable
judgment, based on the advice of independent financial advisors and legal
counsel, to be more favorable to First Financial and its stockholders than the
transactions contemplated by this Agreement.
                 (c)    "Transaction Proposal" as used in this Agreement means
(in each case other than transactions contemplated hereby) (A) a bona fide
tender offer or exchange offer for 25% or more of the then outstanding First
Financial Shares that shall have been publicly proposed to be made or shall
have been commenced or made by any Person; (B) a merger, consolidation, or
other business combination with First Financial, or with any of the
Subsidiaries of First Financial, which shall have been effected by any Person,
or an agreement relating to any such transaction which shall have been entered
into; (C) any sale, lease, exchange, mortgage, pledge, transfer, or other
disposition (whether in one transaction or a series of related transactions)
involving a substantial part of First Financial's consolidated assets
(including any stock of the Bank), or all or a substantial part of the assets
of any of the Subsidiaries of First Financial, to any Person which shall have
been effected, or any agreement relating to such transaction which shall have
been entered into; (D) the acquisition by any Person (other than Blackhawk or
any of the Subsidiaries of First Financial in a fiduciary capacity for third
parties, none of whom beneficially owns 10% or more of the outstanding First
Financial Shares) of beneficial ownership (within the meaning of Rule 13d-3
under the Exchange Act, which will be deemed for purposes hereof to provide
that a Person beneficially owns any First Financial Shares that may be acquired
by such person pursuant to any right, option, warrant, or other agreement,
regardless of when such acquisition would be permitted by the terms thereof) of
25% or more of the outstanding First Financial Shares (including First
Financial Shares currently beneficially owned by such Person); (E) any
reclassification of securities or recapitalization of First Financial or other
transaction that has the effect, directly or indirectly, of increasing the
proportionate share of any class of equity security (including securities
convertible into equity securities) of First Financial that is owned by any
Person which shall have been effected, or any agreement relating to such
transaction which shall have been entered into or plan with respect thereto
adopted; (F) any transaction having an effect similar to those described in (A)
through (E) above; or (G) a public announcement with respect to a proposal,
plan, or intention by First Financial or another Person





                                       19
<PAGE>   25

to effect any of the foregoing transactions (which may include publication of
notice of filing or any similar notice under applicable law).
                 (d)    The term "Person" for purposes of this Section 4.10
shall mean any corporation (excluding Blackhawk or any of its Subsidiaries),
partnership, person or other entity or group (as defined in Section 13(d)(3) of
the Exchange Act).

         4.11    Board of Directors' Notices, Minutes, Etc.  First Financial
shall give reasonable notice to Blackhawk of all meetings of the Board of
Directors and Board committees of First Financial and the Bank, and if known,
the agenda for or business to be discussed at such meeting.  First Financial
shall transmit to Blackhawk, promptly, copies of all notices, minutes, consents
and other materials that First Financial or the Bank provides to their
directors (except for materials relating to the Merger) to the extent
permissible under law; provided, however, that Blackhawk agrees to hold in
confidence and trust and to act in a fiduciary manner with respect to all
information so provided.

         4.12    Confidential Information.  First Financial, Blackhawk and
Acquisition shall, and shall direct all of their agents, employees and advisors
to, keep in strict confidence any information concerning the Merger and the
properties, business and assets of the other party that may have been obtained
in the course of negotiations or examination of the affairs of the other party
either prior or subsequent to the execution of this Agreement (other than such
information as shall be in the public domain or otherwise ascertainable from
public or sources) and shall, in the event the transactions contemplated in
this Agreement are not consummated, return all documents to the other party
containing such information.

         4.13    Maintenance of Capital Levels.  Blackhawk and its financial
institution Subsidiary or  Subsidiaries shall maintain at least the minimum
capital levels as required by Regulatory Authorities.

         4.14    No Control of First Financial by Blackhawk.  Other then as set
forth herein, until the Effective Time, the management of First Financial and
the authority to establish and implement its business policies shall reside
solely in First Financial's officers and Board  of Directors.

         4.15    Employees.  All employees of First Financial shall be paid
prior to the Effective Time for all accrued but unpaid bonuses, including a pro
rata bonus through the Effective Time under the Bank's middle managers bonus
plan, and accrued vacation pay.

         4.16    Indemnification and Directors' and Officers' Liability
Insurance.  Blackhawk agrees that from and after the Effective Time it shall
indemnify and hold harmless each present and former director and officer of
First Financial and the Bank (the "Indemnified Parties") against any costs or
expenses (including reasonable attorneys' fees), judgments, fines, losses,
claims, damages or liabilities (collectively, "Costs") incurred in connection
with any claim, action, suit, proceeding or investigation, whether civil,
criminal,





                                       20
<PAGE>   26

administrative or investigative, arising out of matters existing or occurring
at or prior to the Effective Time, whether asserted or claimed prior to, at or
after the Effective Time, to the full extent permitted under applicable law,
and First Financial shall advance expenses as incurred to the full extent
permitted under applicable law, provided the person to whom expenses are
advanced provides an undertaking to repay such advances if it is ultimately
determined that such person is not entitled to indemnification.  Blackhawk
shall cause to be maintained in effect for three years from the Effective Time
for the benefit of First Financial's current directors' and officers' either
Blackhawk's current directors' and officers' liability insurance policy or a
"tail" policy on First Financial's current directors' and officers' liability
insurance policy, in both  instances if such insurance is obtainable (provided
that Blackhawk may substitute therefor, in either case, policies of equivalent
coverage so long as no lapse in coverage occurs as a result of substitution
with respect to matters occurring prior to the Effective Time); and provided
further that Blackhawk shall not be obligated to expend for such insurance an
amount greater than 150 percent of the cost of the most recent policy of one
year, and in the event it shall cost more than such amount for such policy,
Blackhawk shall be obligated to purchase only such insurance as may be
purchased with such cost.  The cost of such insurance shall be the obligation
of Blackhawk.

         4.17    Board of Directors of First Financial and the Bank.  At the
Effective Time, all  Directors of First Financial and the Bank shall resign by
submitting letters of resignation to Blackhawk.

         4.18    Employee Benefit Plans.
                 (a)    At the Effective Time and through at least December 31,
1998, each person who remains as an employee of First Financial and its
Subsidiaries shall remain eligible for the employee welfare plans and other
fringe benefit programs currently maintained by First Financial and its
Subsidiaries; provided that Blackhawk may, in its discretion and after December
31, 1998, in lieu of continuing the First Financial welfare plans substitute
employee welfare plans and other fringe benefit programs offered or maintained
by Blackhawk and its Subsidiaries on terms and conditions substantially similar
in the aggregate to those that Blackhawk and its Subsidiaries may make
available to similarly situated officers and employees, including, without
limitation, any health, life, long-term disability, severance, vacation or paid
time off programs (the "Blackhawk Welfare Plans").  The period of employment
and compensation of each employee of First Financial and its Subsidiaries with
First Financial and its Subsidiaries shall be counted for all purposes (except
for purposes of benefit accrual) under Blackhawk's Welfare Plans, including,
without limitation, for purposes of service credit and eligibility.  Any
expenses incurred by an employee of First Financial or its Subsidiaries under
First Financial's or the Bank's employee  welfare benefit plans (such as
deductibles or co- payments), shall be counted for all purposes under the
Blackhawk Welfare Plans.  Blackhawk shall waive





                                       21
<PAGE>   27

any pre-existing condition exclusions for conditions existing on the Closing
Date, and actively-at-work requirements for periods ending on the Closing Date
contained in Blackhawk's Welfare Plans as they apply to the employees of First
Financial and its Subsidiaries and former employees and dependents.
                 (b)    As of the Effective Time, the loan between First
Financial and the First Federal  Savings Bank of Belvidere Employee Stock
Ownership Plan (the "First Federal ESOP") shall be repaid in full with the cash
consideration received from Blackhawk for the unallocated First Financial
Shares held in the First Federal ESOP in the amount equal to the Merger Price
multiplied by the number of unallocated First Financial Shares held by the
First Federal ESOP, and any unallocated portion of the consideration remaining
after such repayment shall be allocated to the First Federal ESOP accounts of
the employees of First Financial and its Subsidiaries who are participants and
beneficiaries (such individuals hereinafter referred to as the "ESOP
Participants"), in accordance with the terms of the First Federal ESOP as
amended with respect to such termination.  As soon as practicable after all
assets have been allocated, the First Federal ESOP shall be terminated.
Following the receipt of a favorable determination letter from the Internal
Revenue Service ("IRS") as to the tax qualified status of the First Federal
ESOP upon its termination under Section 401(a) and 4975(e) of the Code (the
"Final Determination Letter"), distributions of the benefits under the First
Federal ESOP shall be made to the ESOP Participants. From and after the date of
this Agreement, in anticipation of such termination and distribution,
Blackhawk, First Financial and their respective representatives prior to the
Effective Time, and Blackhawk and its representatives after the Effective Time,
shall use their best efforts to apply for and obtain a favorable Final
Determination Letter from the IRS. In the event that Blackhawk, First Financial
and their respective representatives, prior to the Effective Time, and
Blackhawk and its representatives after the Effective Time, reasonably
determine that the First Federal ESOP cannot obtain a favorable Final
Determination Letter, or that the amounts held therein cannot be so applied,
allocated or distributed without causing the First Federal ESOP to lose its
qualified status, First Financial prior to the Effective Time and Blackhawk
after the Effective Time shall take such action as they may reasonably
determine with respect to the distribution of benefits to the ESOP
Participants, provided that the assets of the First Federal ESOP shall be held
or paid for the benefit of the ESOP Participants and provided further that in
no event shall any portion of the amounts held in the First Federal ESOP
revert, directly or indirectly, to First Financial or any affiliate thereof, or
to Blackhawk or any affiliate thereof.  All ESOP Participants shall fully vest
and have a nonforfeitable interest in their accounts under the First Federal
ESOP determined as of the Effective Time.
                 (c)    At the Effective Time, the First of Belvidere Profit
Sharing Plan (the "First of Belvidere PSP") shall be continued in effect.
Thereafter, Blackhawk may elect to terminate the First of





                                       22
<PAGE>   28

Belvidere PSP or merge it with a tax-qualified plan maintained by Blackhawk.
If the plan merger occurs, or if First Financial employees otherwise become
eligible to participate in the Blackhawk plan, each First Financial employee's
period of employment with First Financial or its Subsidiaries shall be counted
for eligibility and vesting purposes under the Blackhawk plan.  Blackhawk
acknowledges and agrees that the Bank shall make a matching contribution to the
First of Belvidere PSP prior to or on the Closing Date in an amount equal to 3
percent of compensation earned by participants in the First of Belvidere PSP
through the Closing Date, which amount shall be accrued for on or before the
Closing Date.  At the Effective Time, all participants in the First of
Belvidere PSP shall fully vest and have a nonforfeitable interest in their
accounts under the First of Belvidere PSP determined as of the Effective Time.
If the First of Belvidere PSP is terminated, all participants shall be offered
the option of a lump-sum cash payment or, with Blackhawk's consent, the option
of rolling or transferring such amount to the Blackhawk plan, subject in all
cases to applicable provisions of the Code.
                 (d)     Blackhawk acknowledges and agrees that First Financial
and the Bank shall be permitted to take whatever action they deem to be
reasonably necessary to provide that all Options granted under the First
Financial Option Plans and all awards granted under the First Federal Savings
Bank of Belvidere Recognition and Retention Plan and Trust for Employees and
the First Federal Savings Bank of Belvidere Recognition and Retention Plan and
Trust for Outside Directors (the "Recognition and Retention Plans") shall be
fully vested and nonforfeitable as of the Effective Time.  All awards under the
Recognition and Retention Plans to purchase 3,043 First Financial Shares that
have not been granted prior to the Effective Time shall not be considered
outstanding First Financial Shares as of the Effective Time.

         4.19    First Financial Employment, Severance and Supplemental
Agreements.  Blackhawk agrees to perform and satisfy the terms of (a) the
employment agreement by and among First Financial, the Bank and Steven C. Derr,
(b) the severance agreements by and among First Financial, the Bank and each of
Steven C. Derr, Keith D. Hill, Robert W. Opperman and Donald J. Kucera,
respectively, (c) the supplemental executive agreements relating to "gross up"
for any excess parachute amounts under Section 280G of the Code by and among
First Financial, the Bank and Messrs. Derr and Hill, and (d) the executive
salary continuation agreement by and between the Bank and David L. Beasley, all
as in effect on the date hereof.  Blackhawk agrees that the transactions
contemplated by this Agreement constitute a change in control of First
Financial for purposes of these agreements where applicable.

         4.20    Lease Agreement for Rockford Branch.  Between the date of this
Agreement and the Closing Date, First Financial shall use its reasonable best
efforts to lease the entire second floor space of its Rockford, Illinois branch
office on such terms and conditions as are acceptable to Blackhawk.  First
Financial shall





                                       23
<PAGE>   29

inform Blackhawk from time to time concerning its progress in leasing the
space.  Any lease of the second floor space prior to the Closing Date shall be
subject to the approval of Blackhawk.

         4.21    Subsidiary Bank Merger.  First Financial and Blackhawk agree
to cooperate and to take such steps as may be necessary to obtain all requisite
regulatory, corporate and other approvals for the Bank Merger, subject to
consummation of the Merger, to be effective concurrently with the Merger or as
soon as practicable thereafter.  The Surviving Bank shall be BSB, and shall
continue to be known as "Blackhawk State Bank."  In furtherance of such
agreement, each of First Financial and Blackhawk agrees:
                 (a)    to cause the board of directors of the Bank and BSB,
respectively, to approve the Bank Merger and to submit it to the sole
stockholder of each bank for its approval;
                 (b)    to vote the shares of stock of the Bank and BSB owned
by them in favor of the Bank Merger; and 
                 (c)    to take, or cause to be taken, all steps necessary to 
consummate the Bank Merger concurrently with or as soon as is practicable 
after consummation of the Merger. The Bank Merger shall be accomplished 
pursuant to a merger agreement containing such terms and conditions as are 
ordinary and customary for affiliated bank merger transactions of such type.  
Immediately after the Effective Time, the officers of the Surviving Corporation 
shall take, or cause to be taken, whatever additional steps may be necessary 
to effectuate the Bank Merger.

         4.22    Stockholder Voting Agreements.  Within fifteen (15) calendar
days of the date of this Agreement, First Financial shall obtain and deliver to
Blackhawk a Stockholder Voting Agreement, in the form attached hereto as
Exhibit B, executed by each stockholder of First Financial who is a director of
First Financial and Mr. Perry B. Hansen.

         4.23    Environmental Audits/Remediation.
                 (a)    Blackhawk shall have the right to engage an
environmental consulting engineering firm, reasonably acceptable to First
Financial, to perform environmental site assessments of the owned or leased
real properties of First Financial or its Subsidiaries (collectively, the
"Audited Properties"), which shall satisfy the American Society of Testing and
Materials "Standard Practice for Environmental Site Assessments:  Phase I
Environmental Site Assessment Process" (ASTM Designation:  E-1527-93), except
that such assessment shall also include a review of compliance with
Environmental Laws, as defined below (the "Environmental Audits"), and render
reports of the Environmental Audits (the "Environmental Reports") to determine
whether there are any indications or evidence that (i) any toxic substance has
been stored, deposited, treated, recycled, used or accidentally or
intentionally disposed of, discharged, spilled, released, dumped, emitted or
otherwise placed on, under or at, or used in any construction on, any such





                                       24
<PAGE>   30

Audited Property, (ii) any such Audited Property is contaminated by or contains
any toxic substance or (iii) any violations of Environmental Laws have occurred
or are likely to occur on any Audited Property.  The scope of the Environmental
Audits may also include any testing or sampling of materials to determine, to
Blackhawk's reasonable satisfaction, whether any clean up, removal, remedial
action or other response ("Remediation Action") is required to bring the
Audited Properties into material compliance with Environmental Laws or to
eliminate any condition that could result in a material liability as a result
of the ownership, lease, operation or use of any Audited Property, and the
estimated cost of such Remediation Action (the "Remediation Costs").  All
Environmental Audits shall initially be provided to Blackhawk and First
Financial in draft form.  Blackhawk shall require that the environmental
consulting firm not disclose (except as required by law) any information in the
Environmental Audits to anyone other than Blackhawk and First Financial.
Blackhawk will use reasonable efforts to engage an environmental consulting
engineering firm within five (5) days of the date hereof and Blackhawk will use
reasonable efforts to cause the Phase I Environmental Audits to be completed
within twenty five (25) days of the date hereof.  Within five (5) days of the
receipt of the Phase I Environmental Audit by Blackhawk, Blackhawk shall
determine whether, in its reasonable judgment, a Phase II Environmental Audit
is necessary and shall notify First Financial of its determination in this
regard.  If Blackhawk desires to cause a Phase II Environmental Audit to be
conducted, Blackhawk shall use its best efforts to cause the environmental
consulting engineering firm which performed the Phase I Environmental Audit, or
another firm reasonably acceptable to First Financial, to commence such Phase
II Environmental Audit within such five (5) day period.  Such Phase II
Environmental Audit shall be completed not later than fifty (50) days after the
date hereof.  First Financial agrees to cooperate with Blackhawk's
environmental consultant.  Blackhawk shall be solely responsible for all costs
associated with the Environmental Reports.  As used in this Agreement, the term
"Environmental Laws" shall mean all applicable federal, state, and local
environmental laws relating to pollution or protection of the environment
including, without limitation, the Solid Waste Disposal Act, the Hazardous
Materials Transportation Act, the Clean Water Act, the Clean Air Act, the
Resource Conservation and Recovery Act, the Toxic Substances Control Act, the
Occupational Safety and Health Act and the Comprehensive Environmental
Response, Compensation and Liability Act of 1980, as amended, their state and
local laws, their state and local law counterparts and all rules and
regulations promulgated thereunder.
                 (b)    In the event that the Environmental Audits disclose the
need for any remediation at any of the Audited Properties, First Financial
shall either: (i) cause an environmental engineering firm reasonably acceptable
to Blackhawk to perform such required remediation in a manner reasonably
acceptable to Blackhawk, the full cost of which shall be paid for by First
Financial and shall be expensed or accrued on





                                       25
<PAGE>   31

or before the Effective Time of the Merger and shall be used to calculate the
Closing Equity set forth in Section 1.1(f) hereof; or (ii) notify Blackhawk
that it will not perform such remediation, in which case Blackhawk shall have
the right to terminate the Merger and this Agreement as set forth in Section
6.5(g).

                                   ARTICLE V

                              CONDITIONS PRECEDENT

         5.1.    Conditions Precedent to Obligations of Blackhawk and
Acquisition Corp.  Unless the conditions are waived by Blackhawk or Acquisition
Corp., all obligations of Blackhawk and Acquisition Corp. under this Agreement
are subject to the fulfillment, prior to or at the Closing, of each of the
following conditions:

                 (a)    Statements of Essential Facts; Performance of
Agreements.  The Statements of Essential Facts of First Financial contained in
Article II of this Agreement, as amended or supplemented by the First Financial
Updated Statements (as defined in Section 5.1(j) hereof) and the
representations and warranties of First Financial contained in the First
Financial Financial Statements or in any documents, certificates, schedules or
exhibits delivered by First Financial or on its behalf to Blackhawk pursuant to
this Agreement shall have been true and correct in all material respects as of
this date and shall be true and correct in all material respects at the Closing
as though made on and as of the Closing Date, in each case to the reasonable
satisfaction of Blackhawk, and First Financial shall have performed all
agreements herein required to be performed by it on or prior to the Closing.
                 (b)    Closing Certificate.  Blackhawk shall have received a
certificate signed by the chief executive officer of First Financial, dated as
of the Closing Date, certifying in such detail as Blackhawk may reasonably
request, as to the fulfillment of the conditions to the obligations of
Blackhawk as set forth in this Agreement.
                 (c)    Regulatory and Other Approvals.  Blackhawk shall have
obtained the approval of all appropriate federal and state regulatory agencies
(including, without limitation, the approval of the Federal Reserve) necessary
to complete the transactions contemplated by this Agreement, all required
waiting periods shall have expired, and there shall have been no motion for
rehearing or appeal from any such approval or commencement of any suit or
action by any governmental authority seeking to enjoin the transactions
provided for herein or to obtain other relief with respect thereto.
                 (d)    Approval of Merger and Execution of Certificate of
Merger.  This Agreement and the transactions contemplated hereby shall have
been approved by the Board of Directors and the stockholders of First Financial
in accordance with applicable law and the Certificate of Incorporation and
bylaws of First





                                       26
<PAGE>   32

Financial.  The proper officers of First Financial shall have executed and
delivered to Blackhawk the Certificate of Merger, in form suitable for filing
with the Delaware Secretary of State, and shall have executed and delivered all
such other certificates, statements or other instruments as may be necessary or
appropriate to effect such filings.
                 (e)    No Litigation with Respect to Transactions.  No suit or
other action shall have been instituted or threatened seeking to enjoin the
consummation of the transactions contemplated hereby or to obtain other relief
in connection with this Agreement or the transactions contemplated hereby,
including, but not limited to, substantial damages that reasonably could be
expected to result in the issuance of an order enjoining such transactions or
result in a determination that First Financial has failed to comply with
applicable legal requirements of a material nature in connection with the
transactions contemplated hereby or actions preparatory thereto.
                 (f)    Opinion of Counsel.  Blackhawk shall have received the
opinion of Schiff Hardin & Waite, special counsel for First Financial, dated as
of the Closing Date, and in form and substance satisfactory to Blackhawk and
its counsel to the following effect.
                        (i)       First Financial is a corporation validly
existing and in good standing under the laws of the State of Delaware.  First
Financial is a savings and loan holding company registered under HOLA.
                        (ii)      The Bank was chartered under the laws of the
United States to transact the business of a federal savings association, and
the charter of the Bank is in full force and effect.
                        (iii)     The authorized capital stock of First
Financial is (i) 1,500,000 shares of common stock, $.10 par value per share,
and (ii) 250,000 shares of preferred stock, $.01 par value per share.
                        (iv)      The execution, delivery, and performance of 
this Agreement, and the transactions contemplated herein have been duly 
authorized by the Board of Directors and the stockholders of First Financial, 
these being the only authorizations required under its Certificate of 
Incorporation, its bylaws, and the DGCL.  This Agreement constitutes the 
legal, valid and binding obligation of First Financial enforceable in 
accordance with their respective terms, subject to applicable bankruptcy, 
insolvency, reorganization, moratorium or similar laws affecting creditors 
generally and to general principles of equity.
                        (v)       The execution, delivery and performance of
this Agreement does not violate any provisions of the Certificate of
Incorporation or bylaws of First Financial.
                        (vi)      To the best knowledge of counsel, there are
no material claims, actions, suits, or proceedings pending or threatened
against First Financial, which depart from the ordinary, routine





                                       27
<PAGE>   33

litigation incident to the kind of business carried on by First Financial that
might reasonably be expected to have a Material Adverse Effect on First
Financial.
                        (vii)     To the best knowledge of counsel, there are
no actions, suits or proceedings pending or threatened against First Financial
to enjoin consummation of the Merger or to obtain other relief (other than
payment to dissenting stockholders) in connection with this Agreement or the
transactions contemplated hereby.
                 In rendering the foregoing opinion, such counsel may rely on
certificates of corporate officers or governmental officials as to factual
matters.
                 (g)    No Adverse Changes.  Between December 31, 1997 and the
Closing Date, the business of First Financial shall have been conducted in the
ordinary course consistent in all material respects with prudent banking
practices, and there shall not have occurred any material adverse change or any
condition, event, circumstance, fact or occurrence (other than enactment of
H.R. 10, the financial modernization legislation, or the like) that may
reasonably be expected to result in a material adverse change in First
Financial's or the Bank's business, income, assets, liabilities or financial
condition.
                 (h)    Other Documents.  Blackhawk shall receive at the
Closing all such other documents, certificates or instruments as it may have
reasonably requested evidencing compliance by First Financial with the terms of
this Agreement.
                 (i)    Updated Statements.  First Financial shall have
provided Blackhawk any information necessary to make the Statements of
Essential Facts of First Financial set forth in Article II true and correct as
of the Closing Date (the "First Financial Updated Statements"), and none of
such First Financial Updated Statements shall reflect a material adverse change
from the Statements of Essential Facts of First Financial  made as of the date
of this Agreement.

         5.2     Conditions Precedent to Obligations of First Financial.
Unless the conditions are waived by First Financial, all obligations of First
Financial under this Agreement are subject to the fulfillment, prior to or at
Closing, of each of the following conditions:
                 (a)    Statements of Essential Facts; Performance of
Agreements.  The Statements of Essential Facts of Blackhawk and Acquisition
Corp. contained in Article III of this Agreement, as amended or supplemented by
the Blackhawk and Acquisition Corp. Updated Statements (as defined in Section
5.2(j)) and the representations and warranties of Blackhawk and Acquisition
Corp. contained in any documents, certificates, schedules or exhibits delivered
by Blackhawk and Acquisition Corp. or on their  behalf to First Financial
pursuant to this Agreement shall have been true and correct in all material
respects as of this date and shall be true and correct in all material respects
at the Closing as though made on and as of the Closing





                                       28
<PAGE>   34

Date, in each case to the reasonable satisfaction of First Financial, and
Blackhawk and Acquisition Corp. shall have performed all agreements herein
required to be performed by them on or prior to the Closing.
                 (b)    Closing Certificate.  First Financial shall have
received a certificate signed by the chief executive officers of Blackhawk and
Acquisition Corp. and dated as of the Closing Date, certifying in such detail
as First Financial may reasonably request, as to the fulfillment of the
conditions to the obligations of First Financial as set forth in this
Agreement.
                 (c)    Regulatory and Other Approvals.  Blackhawk shall have
obtained the approval of all appropriate federal and state banking regulatory
agencies (including, without limitation, the approval of the Federal Reserve
Board) necessary to complete the transactions contemplated by this Agreement,
all required waiting periods shall have expired, and there shall have been no
motion for rehearing or appeal from such approval or commencement of any suit
or action by any governmental authority seeking to enjoin the transactions
provided for herein or to obtain other relief with respect thereto.
                 (d)    Fairness Opinion.  Howe Barnes Investments, Inc. shall
have delivered to the Board of Directors of First Financial, as of the date of
this Agreement, its opinion to the effect that the consideration to be received
in the Merger is fair, from a financial point of view, to the stockholders of
First Financial, such opinion shall have been updated as of the date of the
Proxy Statement used to solicit stockholder approval of the Agreement, and such
opinion shall not have been withdrawn, amended or modified in any material
respect at or prior to the Closing.
                 (e)    No Litigation.  No suit or other action shall have been
instituted or threatened seeking to enjoin the consummation of the transactions
contemplated hereby or to obtain other relief in connection with this Agreement
or the transactions contemplated hereby (including, but not limited to,
substantial damages) that reasonably could be expected to result in the
issuance of an order enjoining such transactions or result in a determination
that Blackhawk has failed to comply with applicable legal requirements of a
material nature in connection with the transactions contemplated hereby or
actions preparatory thereto.
                 (f)    Opinion of Counsel.  First Financial shall  have
received the opinion of Werner & Blank, counsel for Blackhawk and Acquisition
Corp., dated as of the Closing Date, in form satisfactory to First Financial
and its counsel to the following effect.
                        (i)       Blackhawk is a corporation validly existing
and in good standing under the laws of the State of Wisconsin.  Acquisition
Corp. is a corporation duly organized, validly existing and in good standing
under the laws of the State of Delaware.  Blackhawk is registered as a bank
holding company under the Bank Holding Company Act of 1956.





                                       29
<PAGE>   35


                        (ii)      The execution, delivery, and performance of
this Agreement and the transactions contemplated hereby have been duly
authorized by the Board of Directors of Blackhawk and Acquisition Corp. and by
Blackhawk as the sole stockholder of Acquisition Corp., these being the only
authorizations required under the Articles of Incorporation and  bylaws of
Blackhawk, the Certificate of Incorporation and bylaws of Acquisition Corp. and
the statutes of the State of Wisconsin and the DGCL.  This Agreement constitute
the legal, valid and binding obligations of Blackhawk and Acquisition Corp.
enforceable in accordance with their respective terms, subject to applicable
bankruptcy, insolvency, reorganization, moratorium or similar laws affecting
creditors generally and to general principles of equity.
                        (iii)     The execution, delivery and performance of
this Agreement does not violate any provision of the Articles of Incorporation
or bylaws of Blackhawk or any provision of the Certificate of Incorporation or
bylaws of Acquisition Corp.
                        (iv)      To the best knowledge of counsel, there are
no actions, suits or proceedings pending or threatened against Blackhawk or
Acquisition Corp. to enjoin consummation of the Merger or to obtain other
relief in connection with this Agreement or the transaction contemplated
hereby.
                 In rendering the foregoing opinion, such counsel may rely on
certificates of corporate officers or governmental officials as to factual
matters.
                 (g)    Approval of Merger and Delivery of the Certificate of
Merger.  This Agreement and the transactions contemplated hereby shall have
been approved by the Board of Directors of Blackhawk and Acquisition Corp. and
by Blackhawk as the sole stockholder of Acquisition Corp. in accordance with
governing statutes and the Articles of Incorporation and bylaws of Blackhawk
and the Certificate of Incorporation and bylaws of Acquisition Corp.  The
proper officers of each of Blackhawk, Acquisition Corp. and First Financial, as
applicable, shall have executed the Certificate of Merger in form suitable for
filing with the Delaware Secretary of State and shall have executed and
delivered all such other certificates, statements or other instruments as may
be necessary or appropriate to effect such filings.
                 (h)    Merger Consideration.  Blackhawk shall have deposited
funds with the exchange agent or made other arrangements to provide funds to
the exchange agent, sufficient to enable the exchange agent to pay in full the
total amount of funds required to be paid at the Effective Time pursuant to
Section 1.1 hereof for exchanges in accordance with this Agreement.
                 (i)    Other Documents.  First Financial shall receive at the
Closing all such other documents, certificates or instruments as it may have
reasonably requested evidencing compliance by Blackhawk and Acquisition Corp.
with the terms of this Agreement.





                                       30
<PAGE>   36

                 (j)    Updated Statements.  Blackhawk and Acquisition Corp.
shall have provided First Financial any information necessary to make the
Statements of Essential Facts of Blackhawk and Acquisition Corp. set forth in
Article III true and correct as of the Closing Date (the "Blackhawk and
Acquisition Corp. Updated Statements"), and none of such Blackhawk and
Acquisition Corp. Updated Statements shall reflect a material adverse change
from the Statements of Essential Facts of Blackhawk and Acquisition Corp. made
as of the date of this Agreement.





                                       31
<PAGE>   37

                                   ARTICLE VI

                               GENERAL PROVISIONS

         6.1     Non-Survival of Statements of Essential Facts and Covenants.
None of the Statements of Essential Facts and covenants in this Agreement shall
survive the Effective Time, except that the covenants in this Agreement with
respect to confidentiality contained in Section 4.12, further assurances
contained in Section 6.2, payment of expenses contained in Section 6.3 and this
Section 6.1 shall survive the termination of this Agreement pursuant to Section
6.5 hereof and except for such other covenants and agreements contained in this
Agreement that by their terms apply in whole or in part after the Effective
Time.

         6.2     Further Assurances.  Each of the parties hereto agrees that at
any time and from time to time after the Effective Time it shall cause to be
executed and delivered to any party such further instruments or documents as
such other party may reasonably require to give effect to the transactions
contemplated hereby.

         6.3     Expenses.  Each of the parties to this Agreement shall bear
their respective costs and expenses incurred in connection with this Agreement
and the transactions contemplated hereby; provided, however, that:

         (a)     in the event this Agreement is terminated by Blackhawk
pursuant to Section 6.5(d), (e) or (g) hereof or by First Financial pursuant to
Section 6.5(f) hereof, First Financial shall reimburse Blackhawk in an amount
not to exceed $100,000 for the out-of-pocket expenses (except that with respect
to termination pursuant to 6.5(g), out-of-pocket expenses shall not exceed
$50,000, rather than $100,000), subject to verification thereof, it has
incurred in furtherance of this Agreement and the transactions contemplated
herein, including, but not limited to, reasonable fees of professionals engaged
for such purpose by or on behalf of Blackhawk; provided, however, that if this
Agreement is terminated by First Financial pursuant to Section 6.5(f), such
Transaction Proposal (as defined in Section 4.10(c) hereof) is not consummated
and Blackhawk subsequently enters into an acquisition agreement with First
Financial, then Blackhawk shall refund to First Financial any and all expenses
First Financial shall have paid to Blackhawk pursuant to this Section 6.3(a).
All costs and expenses reasonably estimated to be incurred by First Financial
shall be either paid or accrued for on or prior to the Closing Date; provided,
however, that nothing contained herein shall be deemed to relieve First
Financial of its liability to pay any expenses incurred post-closing in
connection with this Agreement;

                 (b)    in the event this Agreement is terminated by First
Financial pursuant to Section 6.5(d) or (e), Blackhawk shall reimburse First
Financial in an amount not to exceed $100,000 for the out-of-pocket expenses,
subject to verification thereof, it has incurred in furtherance of this
Agreement and the transactions





                                       32
<PAGE>   38

contemplated herein, including, but not limited to, reasonable fees of
professionals engaged for such purpose by or on behalf of First Financial;
                 (c)    in the event 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 in (a) and (b)
of this Section 6.3 and shall not be limited to $100,000), be entitled to
recover such additional amounts as such non-breaching party may be entitled to
receive at law or in equity; and
                 (d)    in the event this Agreement is terminated either (i) by
First Financial pursuant to Section 6.5(f), or (ii) by Blackhawk as provided in
Section 6.5(e) as a result of First Financial's breach of Section 4.4 or by
Blackhawk as provided in Section 6.5(e) following a failure of First
Financial's stockholders to grant the necessary approval in Section 5.1(d) and
contemporaneously with the termination provided in this paragraph (ii) there is
a Transaction Proposal and prior to, or within 12 months of such termination,
First Financial shall have entered into a definitive agreement relating to such
Transaction Proposal, then, with respect to a termination under either
paragraph (i) or (ii) of this Section 6.3(d) First Financial shall pay to
Blackhawk, in immediately available funds, an amount equal to $500,000 within
ten (10) business days after demand for payment by Blackhawk following such
termination, which amount, however, shall be reduced by any out-of-pocket
expenses First Financial shall have previously paid or shall be obligated to
pay to Blackhawk pursuant to Section 6.3(a) hereof.

         6.4     Successors and Assigns.  This Agreement shall be binding upon
and inure to the benefit of the respective heirs, successors, assigns of the
parties hereto; provided, however, that no party may assign this Agreement
without the written consent of the other parties, and except that Blackhawk may
assign this Agreement to any entity, a majority of the stock of which is owned
directly or indirectly by Blackhawk.  Any assignment shall only be done upon
prior notice to First Financial and will not relieve Blackhawk from any of its
responsibilities, duties, liabilities and obligations set forth herein.

         6.5     Termination.  This Agreement may be terminated (a) at any
time, whether before or after stockholder action, by agreement of Blackhawk and
First Financial, (b) by either Blackhawk or First Financial if the regulatory
approvals referred to in Section 5.1(c) hereof have not been obtained on or
before September 30, 1998, (c) by either Blackhawk or First Financial, either
before or after approval of this Agreement by the stockholders of First
Financial, if the Closing has not occurred by October 31, 1998, (d) by either
Blackhawk or First Financial, either before or after approval of this Agreement
by the stockholders of First Financial, if any of the conditions precedent to
the obligations of such terminating party contained in Article V hereof shall
not have been satisfied or waived prior to the Effective Time, (e) by either





                                       33
<PAGE>   39

Blackhawk or First Financial, either before or after approval of this Agreement
by the stockholders of First Financial, if a material default shall be made by
the other party in the observance or in the due and timely performance of any
of its covenants and agreements contained in this Agreement and such default
shall not have been fully cured within a reasonable time, but in no event more
than twenty (20) days, after written notice specifying the alleged default
shall have been given, (f) by First Financial if its Board of Directors shall
determine that a Transaction Proposal constitutes a Superior Proposal and the
Board shall have received a written opinion of its outside counsel that the
failure to accept such Superior Proposal could reasonably be expected to result
in a breach of the fiduciary duties of the Board under applicable law, (g) by
Blackhawk if First Financial fails to take the Remedial Actions set forth in
Section 4.23(b), or (h) by Blackhawk, in the event the Closing Equity (as
defined in Section 1.1(f)) is less than $7,136,130 and Blackhawk determines not
to consummate the Merger by paying the minimum Merger Price of $29.00.

         6.6     Notices.  All notices and other communications hereunder shall
be in writing and shall be deemed given (a) when delivered personally; (b) the
second business day after being deposited in the United States mail registered
or certified (return receipt requested); (c) the first business day after being
deposited with Federal Express or any other recognized national overnight
courier service; or (d) on the business day on which it is sent and received by
facsimile, in each case to the parties at the following addresses (or at such
other address for a party as shall be specified by like notice):

                 (a)    If to Blackhawk addressed to:
                        Dennis M. Conerton
                        President and Chief Executive Officer
                        Blackhawk Bancorp, Inc.
                        400 Broad Street
                        Beloit, Wisconsin   53511
                        Phone:    (608) 364-8911
                        Fax:      (608) 364-8946

                        with a copy to:

                        Thomas C. Blank, Esq.
                        Werner & Blank Co. L.P.A.
                        7205 West Central Avenue
                        Toledo, Ohio   43617
                        Phone:    (419) 841-8051
                        Fax:      (419) 841-8380





                                       34
<PAGE>   40

                 (b)    If to First Financial, addressed to:

                        Steven C. Derr
                        President and Chief Executive Officer
                        First Financial Bancorp, Inc.
                        121 E. Locust Street
                        Belvidere, Illinois   61008
                        Phone:    (815) 544-3167
                        Fax:      (815) 544-0802

                        with a copy to:

                        Christopher J. Zinski, Esq.
                        Schiff Hardin & Waite
                        7300 Sears Tower
                        Chicago, Illinois 60606
                        Phone:    (312) 258-5548
                        Fax:      (312) 258-5600

         6.7     Governing Law.  This Agreement shall be governed by, and
construed and enforced in accordance with, the internal laws of the State of
Delaware, without giving effect to the conflict of laws principles thereof.

         6.8     Counterparts.  This Agreement may be executed in any number of
counterparts, and each such executed counterpart will be an original
instrument.

         6.9     Headings.  Descriptive headings appearing in this Agreement
are for convenience only and will not be deemed to explain, limit or amplify
any of the provisions hereof.

         6.10    Entire Agreement; Amendment.  This Agreement, with its
exhibits and the schedules delivered pursuant to it, sets forth the entire
understanding of the parties and supersedes all prior agreements, arrangements
and communications, whether oral or written.  This Agreement may only be
modified or amended by an agreement in writing signed by Blackhawk and First
Financial.





                                       35
<PAGE>   41




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


                              BLACKHAWK BANCORP, INC.


                              By: /s/ Dennis M. Conerton
                                  ---------------------------------------------
                              Title:  President and Chief Executive Officer
                                      -----------------------------------------


                              BLACKHAWK ACQUISITION CORP.


                              By: /s/ Dennis M. Conerton
                                  ---------------------------------------------
                              Title:  President and Chief Executive Officer
                                      -----------------------------------------

                              FIRST FINANCIAL BANCORP, INC.


                              By: /s/ Steven C. Derr                       
                                  ---------------------------------------------
                              Title:  President and Chief Executive Officer
                                      -----------------------------------------





                                      36

<PAGE>   42




                                   EXHIBIT A

                         FIRST FINANCIAL BANCORP, INC.
                      STOCK OPTION CANCELLATION AGREEMENT


                 WHEREAS, First Financial Bancorp, Inc. (the "Company") entered
into that certain Agreement of Merger with Blackhawk Bancorp, Inc.
("Blackhawk") and Blackhawk Acquisition Corp. ("Acquisition"), dated May 7,
1998 (the "Merger Agreement"), which provides for the merger of Acquisition
with and into the Company;

                 WHEREAS, except as otherwise provided herein, capitalized
terms herein shall have the meaning given them in the Merger Agreement;

                 WHEREAS, Section 1.5 of the Merger Agreement provides that
each holder of an option to acquire Company shares awarded under the First
Financial Bancorp, Inc. 1993 Incentive Stock Option Plan or the First Financial
Bancorp, Inc. 1993 Stock Option Plan for Outside Directors (the "Stock Option
Plans"), which was outstanding as of the Effective Time shall receive from
Blackhawk a cash payment equal to the product of (i) the number of Company
shares subject to such option at the Effective Time, and (ii) the amount, if
any, by which the Merger Price exceeds the exercise price per share of such
option, net of any cash that must be withheld under federal and state income
and employment tax requirements (the "Option Cancellation Payment");

                 WHEREAS, the cash payments pursuant to Section 1.5 of the
Merger Agreement shall be in consideration of, and shall result in, the
settlement and cancellation of all outstanding options issued under the Stock
Option Plans;

                 WHEREAS, as a condition to the receipt of a cash payment in
cancellation of all such options, the Merger Agreement provides that each
option holder shall execute a cancellation agreement in the form attached to
the Merger Agreement as Exhibit A; and

                 WHEREAS, the Company awarded the undersigned optionee
__________ stock options, under the terms of the Stock Option Plans, at an
exercise price of $_______ (the "Options").

                 NOW THEREFORE, with the foregoing recitals incorporated herein
by reference and made a part hereof, the undersigned optionee, the Company and
Blackhawk hereby agree as follows:

                 1.       Payment: At the Effective Time, Blackhawk shall make
the Option Cancellation Payment to the undersigned optionee in a lump sum and
in immediately available funds or by certified or official bank check.





                                      A-1
<PAGE>   43

                 2.       Release: The undersigned optionee waives and releases
all rights and interest in, to and with respect to the Options, and waives and
releases all rights and interests under the Stock Option Plans.





                                      A-2
<PAGE>   44

                 3.       Cancellation of Options:  For good and valuable
consideration and pursuant to Section 1.5 of the Merger Agreement, the
undersigned optionee and the Company hereby cancel and settle the Options.

                 4.       Representations and Warranties: The undersigned
optionee represents and warrants to the Company and Blackhawk that (a) no other
person, firm, corporation or entity has any right, title or interest in the
Options, (b) he has full authority to cancel the Options, and (c) the Options
are free and clear of all security interests, judgments, liens, pledges,
claims, charges, escrows, encumbrances, rights of first refusal, rights of
first offer, mortgages, indentures, arrangements, contracts, commitments,
understandings, obligations or other agreements, whether written or oral and
whether or not relating in any way to credit or the borrowing of money.

                 IN WITNESS WHEREOF, the undersigned has hereunto set his hand
this ______ day of _____________, 1998.


                                         --------------------------------------
                                         Optionee



                                         FIRST FINANCIAL BANCORP, INC.

                                         By: 
                                            -----------------------------------
                                         Its: 
                                             ----------------------------------


                                         BLACKHAWK BANCORP, INC.

                                         By: 
                                            -----------------------------------
                                         Its:
                                             ----------------------------------


                                     A-3

<PAGE>   45
                                   EXHIBIT B

                          STOCKHOLDER VOTING AGREEMENT


                 STOCKHOLDER VOTING AGREEMENT, dated as of May _____, 1998
(this "Agreement"), by and among the undersigned (hereinafter the
"Stockholder"), FIRST FINANCIAL BANCORP, INC., a Delaware corporation (the
"Company"), BLACKHAWK BANCORP, INC., a Wisconsin corporation ("Blackhawk") and
BLACKHAWK ACQUISITION CORP., a Delaware corporation ("Acquisition").

                 WHEREAS, Blackhawk, Acquisition and the Company, have entered
into an Agreement of Merger, dated as of May 7, 1998  (the "Merger Agreement"),
which provides, among other things, that Acquisition shall be merged with and
into the Company pursuant to the merger contemplated by the Merger Agreement
(the "Merger"),

                 WHEREAS, as of the date hereof, the Stockholder is the
Beneficial Owner (as defined in Rule 13d-3 under the Securities Exchange Act of
1934, as amended (the "Exchange Act")) of _____ shares of common stock, $.10
par value, of the Company (the "Company Common Stock") and, if applicable,
_____ options to purchase shares of Company Common Stock under the First
Financial Option Plans (as defined in the Merger Agreement) ("Company
Options"), and

                 WHEREAS, as a condition to the willingness of Blackhawk and
Acquisition to enter into the Merger Agreement, Blackhawk and Acquisition have
required that the Stockholder and the Company agree, and in order to induce
Blackhawk and Acquisition to enter into the Merger Agreement, the Stockholder
and the Company have agreed, to enter into this Agreement.

                 NOW, THEREFORE, in consideration of the foregoing and the
mutual covenants and agreements contained herein, and intending to be legally
bound hereby, the parties hereto hereby agree as follows:

                                   ARTICLE I

                                VOTING OF SHARES

         Section I.1      Voting Agreement.  The Stockholder hereby agrees to:
(a) appear, or cause the holder of record on the applicable record date (the
"Record Holder") to appear, at any annual or special meeting of stockholders of
the Company for the purpose of obtaining a quorum; (b) vote, or cause the
Record Holder to vote, in person or by proxy, all of the shares of the Company
Common Stock owned or with respect to which the Stockholder has or shares
voting power and shares of Company Common Stock which shall, or with respect to
which voting power shall, hereafter be acquired by the Stockholder
(collectively, the "Shares") in favor of the Merger, the Merger Agreement (as
in effect on the date hereof) and the transactions contemplated by the Merger
Agreement; (c) vote, or cause the Record Holder to vote, the Shares against any
action, proposal or agreement that could reasonably be expected to result in a
breach in any material respect of any covenant, representation or warranty or
any other obligation of the Company under the Merger Agreement, or which could
reasonably be expected to result in any of the conditions to the Company's
obligations under the Merger Agreement not being fulfilled; and (d) vote, or
cause the Record Holder to vote, such Shares against: (i) any extraordinary
corporate transaction (other than the Merger), such as a merger,





                                      B-1
<PAGE>   46

consolidation, business combination, reorganization, recapitalization or
liquidation involving the Company or any of its subsidiaries; and (ii) a sale
or transfer of a material amount of the assets of the Company or any of its
subsidiaries (each of the events described in (i) and (ii) above as an
"Alternative Transaction").  The Stockholder acknowledges receipt and review of
a copy of the Merger Agreement.  Notwithstanding any other provision of this
Article I, the provisions of such Article I shall not prohibit or restrain the
Stockholder from complying with his fiduciary obligations as a director or
officer of the Company.

         Section I.2      No Ownership Interest.  Nothing contained in this
Agreement shall be deemed to vest in Blackhawk or Acquisition any direct or
indirect ownership or incidence of ownership of or with respect to any Shares.
All rights, ownership, and economic benefits of and relating to the Shares or
Company Options shall remain and belong to the Stockholder, and neither
Blackhawk nor Acquisition shall have any authority to manage, direct,
superintend, restrict, regulate, govern, or administer any of the policies or
operations of the Company or exercise any power or authority to direct the
Stockholder in the voting of any of the Shares, except as otherwise expressly
provided herein, or the performance of its duties or responsibilities as a
stockholder of the Company.

         Section I.3      No Inconsistent Agreements.  The Stockholder hereby
covenants and agrees that, except as contemplated by this Agreement and the
Merger Agreement, the Stockholder shall not enter into any voting agreement or
grant a proxy or power of attorney with respect to the Shares which is
inconsistent with this Agreement.

                                   ARTICLE II

                            RESTRICTIONS ON TRANSFER

         Section II.1     Transfer of Title.  (a) The Stockholder hereby
covenants and agrees that the Stockholder will not, prior to the termination of
this Agreement, either directly or indirectly, offer, agree or otherwise sell,
assign, pledge, hypothecate, transfer, exchange, or dispose of any Shares or
Company Options or any other securities or rights convertible into or
exchangeable for shares of Company Common Stock, owned either directly or
indirectly by the Stockholder or with respect to which the Stockholder has the
power of disposition, whether now or hereafter acquired, other than pursuant to
the Merger, without the prior written consent of Blackhawk.

                 (b)      The Stockholder hereby agrees and consents to the
entry of stop transfer instructions with the Company against the transfer of
any Shares consistent with the terms of Section II.1(a).

                                  ARTICLE III

               REPRESENTATIONS AND WARRANTIES OF THE STOCKHOLDER

         The Stockholder hereby represents and warrants to Blackhawk and
Acquisition as follows:

         Section III.1    Authority Relative to This Agreement.  The
Stockholder is competent to execute and deliver this Agreement, to perform its
obligations hereunder and to consummate the transaction contemplated hereby.
This Agreement has been duly and validly executed and delivered by the
Stockholder and, assuming





                                      B-2
<PAGE>   47

the due authorization, execution and delivery by Blackhawk, Acquisition and the
Company, constitutes a legal, valid and binding obligation of the Stockholder,
enforceable against the Stockholder in accordance with its terms except that
(i) the enforceability hereof may be subject to applicable bankruptcy,
insolvency or other similar laws, now or hereinafter in effect affecting
creditors' rights generally and (ii) the availability of the remedy of specific
performance or injunctive or other forms of equitable relief may be subject to
equitable defenses and would be subject to the discretion of the court before
which any proceeding therefor may be brought.

         Section III.2    No Conflict.  The execution and delivery of this
Agreement by the Stockholder does not, and the performance of this Agreement by
the Stockholder shall not result in any breach of or constitute a default (or
an event that with notice or lapse of time or both would become a default)
under, or give to others any rights of termination, amendment, acceleration or
cancellation of, or result in the creation of a lien or encumbrance on any of
the Shares pursuant to, any note, bond, mortgage, indenture, contract,
agreement, lease, license, permit, franchise or other instrument or obligation
to which the Stockholder is a party or by which the Stockholder or the Shares
or Options are bound or affected, except, in the case of each of the foregoing,
for any such conflicts, violations, breaches, defaults or other occurrences
which would not prevent or delay the performance of the Stockholder of its
obligations under this Agreement.

         Section III.3    Title to the Shares.  The Shares held by the
Stockholder are owned free and clear of all security interests, liens, claims,
pledges, options, rights of first refusal, agreements, limitations on the
Stockholder's voting rights, charges and other encumbrances of any nature
whatsoever, and the Stockholder has not appointed or granted any proxy, which
appointment or grant is still effective, with respect to the Shares.

                                   ARTICLE IV

                                 MISCELLANEOUS

         Section IV.1     Termination.  This Agreement shall terminate upon the
earliest to occur of (a) the termination of the Merger Agreement or (b) the
Effective Time (as defined in the Merger Agreement).

         Section IV.2     Enforcement of Agreement.  The parties hereto agree
that irreparable damage would occur in the event that any of the provisions of
this Agreement were not performed in accordance with its specified terms or
were otherwise breached.  It is accordingly agreed that the parties shall be
entitled to an injunction or injunctions to prevent breaches of this Agreement
and to specific performance of the terms and provisions hereof in addition to
any other remedy to which they are entitled at law or in equity.

         Section IV.3     Successors and Affiliates.  This Agreement shall
inure to the benefit of and shall be binding upon the parties hereto and their
respective heirs, legal representatives and assigns.  If the Stockholder shall
acquire ownership of, or voting power with respect to, any additional Shares in
any manner, whether by the exercise of any Options or any securities or rights
convertible into or exchangeable for Shares, operation of law or otherwise,
such Shares shall be held subject to all of the terms and provisions of this
Agreement.  Without limiting the foregoing, the Stockholder specifically agrees
that the obligations of the Stockholder hereunder shall not be terminated by
operation of law, whether by death or incapacity of the Stockholder or
otherwise.




                                     B-3
<PAGE>   48


         Section IV.4     Entire Agreement.  This Agreement constitutes the
entire agreement among Blackhawk, the Company and the Stockholder with respect
to the subject matter hereof and supersedes all prior agreements and
understandings, both written and oral, among Blackhawk, Acquisition, the
Company and the Stockholder with respect to the subject matter hereof.

         Section IV.5     Captions and Counterparts.  The captions in this
Agreement are for convenience only and shall not be considered a part of or
affect the construction or interpretation of any provision of this Agreement.
This Agreement may be executed in several counterparts, each of which shall
constitute one and the same instrument.

         Section IV.6     Amendment.  This Agreement may not be amended except
by an instrument in writing signed by the parties hereto.

         Section IV.7     Waivers.  Except as provided in this Agreement, no
action taken pursuant to this Agreement, including, without limitation, any
investigation by or on behalf of any party, shall be deemed to constitute a
waiver by the party taking such action of compliance with any representations,
warranties, covenants or agreements contained in this Agreement.  The waiver by
any party hereto of a breach of any provision hereunder shall not operate or be
construed as a waiver of any prior or subsequent breach of the same or any
other provision hereunder.

         Section IV.8     Severability.  If any term or other provision of this
Agreement is invalid, illegal or incapable of being enforced by any rule of
law, or public policy, all other conditions and provisions of this Agreement
shall nevertheless remain in full force and effect.  Upon such determination
that any term or other provision is invalid, illegal or incapable of being
enforced, the parties hereto shall negotiate in good faith to modify this
Agreement so as to effect the original intent of the parties as closely as
possible to the fullest extent permitted by applicable law in a mutually
acceptable manner in order that the terms of this Agreement remain as
originally contemplated to the fullest extent possible.

         Section IV.9     Notices.  All notices and other communications given
or made pursuant hereto shall be in writing and shall be deemed to have been
duly given or made and shall be effective upon receipt, if delivered
personally, mailed by registered or certified mail (postage prepaid, return
receipt requested) to the parties at the following addresses (or at such other
address for a party as shall be specified by like changes of address) or sent
by electronic transmission (provided that a confirmation copy is sent by
another approved means) to the telecopier number specified below:

         If to Stockholder:

                 At the address set forth on the signature page hereto





                                      B-4
<PAGE>   49

         If to Blackhawk or Acquisition, addressed to:

                 Dennis M. Conerton
                 President and Chief Executive Officer
                 Blackhawk Bancorp, Inc.
                 400 Broad Street
                 Beloit, Wisconsin   53511
                 Phone:   (608) 364-8911
                 Fax:     (608) 364-8946

                 with a copy to:

                 Thomas C. Blank, Esq.
                 Werner & Blank Co. L.P.A.
                 7205 West Central Avenue
                 Toledo, Ohio   43617
                 Phone:   (419) 841-8051
                 Fax:     (419) 841-8380

                 If to the Company, addressed to:

                 Steven C. Derr
                 President and Chief Executive Officer
                 First Financial Bancorp, Inc.
                 121 E. Locust Street
                 Belvidere, Illinois   61008
                 Phone:   (815) 544-3167
                 Fax:     (815) 544-0802

                 with a copy to:

                 Christopher J. Zinski, Esq.
                 Schiff Hardin & Waite
                 7300 Sears Tower
                 Chicago, Illinois 60606
                 Phone:   (312) 258-5548
                 Fax:     (312) 258-5600

         Section IV.10    Governing Law.  This Agreement shall be governed by,
and construed in accordance with, the laws of the State of Delaware regardless
of the laws that might otherwise govern under applicable principles of
conflicts of law.





                                      B-5
<PAGE>   50

                 IN WITNESS WHEREOF, each of the parties hereto have caused
this Agreement to be duly executed on the date hereof.

                                           BLACKHAWK BANCORP, INC.


                                           By:
                                              ---------------------------------
                                           Name: 
                                           Title:


                                           BLACKHAWK ACQUISITION CORP.


                                           By:
                                              ---------------------------------
                                           Name: 
                                           Title:


                                           FIRST FINANCIAL BANCORP, INC.

                                           By:
                                              ---------------------------------
                                           Name: 
                                           Title:



                                           ------------------------------------
                                           Name: [Stockholder]
                                           Title: 
                                           Address:
                                                    ---------------------------
                                                    ---------------------------
                                                    ---------------------------



                                     B-6


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