FIRST OAK BROOK BANCSHARES INC
10-K405, 1999-03-31
STATE COMMERCIAL BANKS
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<PAGE>
 
                      SECURITIES AND EXCHANGE COMMISSION
                            Washington, D.C.  20549
                                   FORM 10-K

               Annual Report Pursuant to Section 13 or 15(d) of
                      The Securities Exchange Act of 1934

[X] ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE
    SECURITIES EXCHANGE ACT OF 1934 (FEE REQUIRED)
    For the fiscal year ended     December 31, 1998
                              ------------------------------

[_] TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE
    SECURITIES EXCHANGE ACT OF 1934 (NO FEE REQUIRED)
    For the transition period from __________ to ___________

    Commission file number 0-14468.
                           --------

                       First Oak Brook Bancshares, Inc.
             -----------------------------------------------------
            (Exact name of registrant as specified in its charter)

            Delaware                                   36-3220778
- -------------------------------                   -------------------
(State or other jurisdiction of                    (I.R.S. Employer
incorporation or organization)                    Identification No.)

1400 Sixteenth Street, Oak Brook, Illinois                     60523
- -------------------------------------------                  ---------
(Address of principal executive offices)                     (Zip Code)

Registrant's telephone number, including area code (630) 571-1050
                                                   --------------

Securities registered pursuant to Section 12(b) of the Act:  None
                                                             ----

Securities registered pursuant to Section 12(g) of the Act:
                      Class A Common Stock ($2 par value)

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

Indicate by check mark if disclosure of delinquent filers pursuant to Item 405
of Regulation S-K ((S)229.405 of this chapter) is not contained herein, and will
not be contained, to the best of registrant's knowledge, in definitive proxy or
information statements incorporated by reference in Part III of this Form
10-K or any amendment to this Form 10-K. [X]

The aggregate market value of the voting stock held by non-affiliates of the
registrant as of March 19, 1999 was:  $82,145,467 based upon the last sales
price of the registrant's Class A Common stock at $18.25 per share as reported
by the National Association of Securities Dealers Automated Quotation System.

The number of shares outstanding of each of the registrant's classes of common
stock as of March 19, 1999: 2,933,583 shares of Common Stock and 3,675,583
shares of Class A Common Stock.

Documents incorporated by reference:  Portions of the Company's Annual Report to
Shareholders for the fiscal year ended December 31, 1998, and Proxy Statement
for its 1999 Annual Meeting of Shareholders to be filed on or about April 1,
1999 are incorporated by reference into Parts I., II. and III. hereof, to the
extent indicated in the Form 10-K Cross-Reference Index.

                        
<PAGE>
 
                        Form 10-K Cross-Reference Index

          Certain information required to be included in Form 10-K is also
          included in the 1998 Annual Report to Shareholders or in the Proxy
          Statement used in connection with the 1999 Annual Meeting of
          Shareholders to be held on May 4, 1999. The following Cross-Reference
          Index shows the page location in the 1998 Annual Report or in the
          Proxy Statement of only that information which is to be incorporated
          by reference into Form 10-K. All other sections of the 1998 Annual
          Report or the Proxy Statement are not required in Form 10-K and should
          not be considered a part thereof.

<TABLE>
<CAPTION>
                                                                                      1998       1998         1999
                                                                                      FORM      ANNUAL        PROXY
Item No.                          Part I                                              10-K      REPORT      STATEMENT
                                                                                     ---------------------------------
<S>                                                                                  <C>        <C>         <C>
1.      Business...................................................................   2-11
           Statistical Disclosure by Bank Holding Companies........................             14-30
2.      Properties.................................................................  11-12

3.      Legal Proceedings..........................................................     12

4.      Submission of Matters to a Vote of Security Holders........................     12

                                  Part II

5.      Market for Registrant's Common Equity
           and Related Stockholder Matters.........................................     13

6.      Selected Financial Data....................................................                14

7.      Management's Discussion and Analysis of
           Financial Condition and Results of Operation............................             14-30

7a.     Quantitative and Qualitative Disclosures about
           Market Risk.............................................................                24

8.      Financial Statements and Supplementary Data................................             31-48

9.      Changes in and Disagreements with Accountants on
           Accounting and Financial Disclosure.....................................     13

                                  Part III

10.     Directors and Executive Officers of the Registrant.........................                            6-7

11.     Executive Compensation.....................................................                          10-13

12.     Security Ownership of Certain Beneficial
           Owners and Management...................................................                            3-4

13.     Certain Relationships and Related Transactions.............................                              7

                                  Part IV

14.     Exhibits, Financial Statement Schedules
           and Reports on Form 8-K.................................................  15-17

        Signatures.................................................................     18
</TABLE>
<PAGE>
 
                                    PART I

ITEM 1.  BUSINESS

General
- -------

First Oak Brook Bancshares, Inc. (the Company) was organized under Delaware law
on March 3, 1983, as a bank holding company under the Bank Holding Company Act
of 1956, as amended. The Company owns all of the outstanding capital stock of
Oak Brook Bank (the Bank), Oak Brook, Illinois, which is an Illinois state-
chartered bank. The bank has nine locations in DuPage County and two locations
in Cook County. Another branch is scheduled to open in LaGrange, Illinois in the
third quarter of 1999. The Company employs 293 full-time equivalent employees.

The Company has two classes of common stock, Class A Common stock and Common
stock. The Common stock is convertible into Class A Common at any time on a one-
for-one basis. The Company has authorized shares of Class A Common and Common
stock of 10,000,000 and 6,000,000, respectively.

On July 21, 1998, the Company's Board declared a 100% stock dividend on Common
and Class A Common Stock which was distributed on September 3, 1998 to
shareholders of record on August 20, 1998. All share and per share amounts
reflect this stock split effected in the form of a dividend.

As of December 31, 1998, the Company had total assets of $1,009,275,000; loans
of $631,987,000 deposits of $777,802,000, and shareholders' equity of
$77,061,000.

The business of the Company consists primarily of the ownership, supervision and
control of its subsidiary bank. The Company provides its subsidiary bank with
advice, counsel and specialized services in various fields of banking policy and
strategic planning. The Company also engages in negotiations designed to lead to
the acquisition of other banks and closely related businesses.

The Bank is engaged in the general retail and commercial banking business. The
services offered include demand, savings, and time deposits, corporate cash
management services, and commercial and personal lending products. In addition,
related products and services are offered including discount brokerage and
foreign currency sales. The Bank has a full service investment management and
trust department.

The Bank originates the following types of loans: commercial, real estate (land
acquisition and construction, commercial mortgages, residential mortgages and
home equity lines), indirect auto and consumer loans.  The extension of credit
inherently involves certain levels and types of risk (general economic

                                       2
<PAGE>
 
conditions, industry and concentration risk, interest rate risk, and credit and
default risk) which the Company manages through the establishment of lending,
credit and asset/liability management policies and procedures.

Loans originated comply with the Bank's loan policies and governmental rules,
regulations and laws. While the Bank's loan policy varies for different loan
products, the policy generally covers such items as: percentages to be advanced
against collateral, blanket or specific liens, insurance requirements, maximum
terms, down payment requirements, debt-to-income ratio, credit history and other
matters of credit concern.

The Bank's loan policy grants limited loan approval authority to designated loan
officers. Where a credit request exceeds the loan officer's approval authority,
approval by a senior lending officer and/or bank loan committee is required. The
loan policy also sets forth those credit requests that, either because of the
amount and/or type, require the approval of the bank loan committee.

The chart that follows sets forth the credit risks, loan origination procedures,
underwriting standards and lien position generally associated with the Bank's
lending in each major loan category. The major loan categories are commercial
loans; commercial real estate, construction and land acquisition loans;
residential real estate, including purchase money, refinance and home equity
loans; indirect auto loans; and consumer loans, including direct auto loans,
check credit and student loans. These loans are made generally in the Chicago
Metropolitan area and are generally secured by collateral located in the Chicago
Metropolitan area.

The chart sets forth the information generally considered in approving each
category of loans.  The collateral stated for each category is the collateral
generally required for these loans.  Each loan is reviewed on its own merits and
the information set forth in the chart does not necessarily apply to each loan
within a category.  The lien position (if any) and collateral documentation for
commercial loans and commercial real estate loans are structured specifically
for each loan.

                                       3
<PAGE>
 
<TABLE> 
<CAPTION> 
====================================================================================================================================
          LOAN TYPE
        YEAR END BAL.     PRINCIPAL                SIGNIFICANT                              MAJOR
           (000'S)        CREDIT                 LOAN ORIGINATION                        UNDERWRITING
      % OF GROSS LOANS    RISKS                    DOCUMENTATION                          STANDARDS                  LIEN POSITION
====================================================================================================================================
<S>                    <C>               <C>                                    <C>                                 <C> 
Commercial             Borrower default  Personal financial statements of       Determination of eligible and       Unsecured:
- -Working capital       Industry change    guarantors                             ineligible receivables              Companies  with
- -Term                  General economic  Personal tax returns of guarantors     Advances generally not to exceed     significant net
                        conditions       Business financial statements, or tax   80% of eligible collateral          worth relative
BALANCE      $108,685                     returns (if applicable)               Annual credit review                 to debt and
 %               17.2%                   Cash flow projections                  Debt to tangible net worth normally  solid
                                         Credit history                          less than 4 to 1                    operating  
                                         Mercantile reports                     Assessment of company's cash flow    history   
                                         Supplier references                     -net annual cash flow should be    Secured:  
                                         Customer references                      120% of the total estimated        Blanket first 
                                         If applicable                            annual debt service (with a        lien on key   
                                         -Collateral valuation floor)             100% floor)                        business      
                                         -Accounts receivable and accounts      Maximum length of term loans         assets        
                                          payable listing and aging              generally 7 years                   (unmonitored  
                                         -Machinery, furniture, fixtures and    Personal guaranties of controlling   or with       
                                          equipment, inventory lists             owners of smaller closely held      limited       
                                         -Pre-loan audit                         companies (full or partial)         monitoring)   
                                                                                Periodic monitoring of accounts     Secured:  
                                                                                 receivable                          Specific      
                                                                                Periodic audit for asset based       first lien on 
                                                                                 loans                               assets being
                                                                                Loan covenant restrictions           financed      
                                                                                -Other borrowings                    (including    
                                                                                -Payment of dividends                leases)       
                                                                                -Limit on owner withdrawals                        
                                                                                -Sale of company
                                                                                -Capital expenditures
                                                                                -Debt to net worth limits
                                                                                -Minimum tangible net worth
                                                                                Evidence of insurance

- ------------------------------------------------------------------------------------------------------------------------------------
COMMERCIAL             Borrower default  Personal financial statements of       Loans to appraised value generally  Secured:
REAL ESTATE            Industry change   guarantors                              not to exceed 80% (with a ceiling  First
                       General economic  Personal tax returns of guarantors      of 85%)                            mortgages 
BALANCE     $114,373    conditions       Business financial statements, or tax  Assessment of property's cash flow  Assignment
%               18.1%                     returns (if applicable)                -net annual cash flow should be     of rents/
                                         Cash flow projections                   120% of the total estimated         leases 
                                         Credit history                          annual debt service (with a 100%   Security
                                         Lender references                       floor)                              agreement on
                                         Appraisals                             Personal guaranties of controlling   fixtures 
                                         Environmental assessments               owners (full or partial)           Environmental
                                         Credit history of key tenants          Evidence of insurance                indemnity
                                         Financial information on key tenants   Tax and insurance escrows (if        agreement    
                                         Review of leases                        applicable)
                                         Market trends and conditions
 
- ------------------------------------------------------------------------------------------------------------------------------------
</TABLE>

                                       4
<PAGE>
 
<TABLE>
<CAPTION>
====================================================================================================================================
     LOAN TYPE         
   YEAR END BAL.        PRINCIPAL                  SIGNIFICANT                               MAJOR                   
      (000'S)            CREDIT                 LOAN ORIGINATION                         UNDERWRITING                  LIEN 
  % OF GROSS LOANS        RISKS                   DOCUMENTATION                            STANDARDS                 POSITION 
====================================================================================================================================
<S>                 <C>               <C>                                    <C>                                    <C>
Construction        Project           Personal financial statements of       Land acquisition loan to value         Secured:
and Land             completion        guarantors                             generally not to exceed 50% (with     First
Acquisition         Borrower default  Personal tax returns of guarantors      a ceiling of 65%)                     mortgages
                    Industry change   Business financial statements or tax   Land development loan to value         Assignment
BALANCE  $ 41,640                      returns (if applicable)                generally not to exceed 75%            of rents/
 %            6.6%                    Cash flow projections                  Construction loan to value generally    leases   
                                      Credit history                          not to exceed 75% (with a ceiling     Assignment of
                                      Industry experience and reputation      of 85%) of retail value                unit sale   
                                      Contractor references                  Assessment of project cash flow         contracts   
                                      Lender references                      Disbursement escrows                   Assignment of
                                      Market trends and conditions           Personal guaranties (full or partial)   plans,      
                                      Project feasibility                    Evidence of insurance                   specifications
                                      -Market acceptance                     Inspection                              construction  
                                      -Project marketing strategy                                                    and service   
                                      -Engineering review                    Residential subdivision projects        contracts     
                                      Appraisals                             -Minimum unit release                  Assignment of  
                                      Environmental assessments               requirements for accelerated          developers    
                                                                              payback                               rights        
                                      Review of other current projects by    -Interest reserves (if applicable)     Environmental  
                                       developer                                                                     indemnity     
                                                                                                                     agreement     

- ------------------------------------------------------------------------------------------------------------------------------------
RESIDENTIAL         Borrower default  Application (including financials)     Debt to income generally not to        Secured:       
REAL ESTATE         -Reduction of     Verification of employment and income   exceed 39% gross annual income         -First        
                     income           Verification of deposits (excluding    Principal/interest/taxes/insurance       mortgages    
                    -Excessive debt    home equity)                           generally less than 28% of gross                    
BALANCE  $117,438   -Future death,    Collateral appraisal, generally two     annual income                                        
%           18.6%    disability or     appraisals for property values in     Loan to value                                         
                     divorce           excess of $500,000                    -Generally not to exceed 80% for                     
                    Decline in market Credit history                          loans under $500,000                                
                     value            Flood hazard certification             -Generally not to exceed 70%                         
                    Completion of                                             for loans greater than $500,000                     
                     construction                                            Insurance (flood, hazard)                             
                                                                             Two year job history or employment                    
                                                                              in related field                                    
                                                                             No serious prior derogatory credit                    
                                                                              history                                              
                                                                             No current delinquencies                              
                                                                                                                                   
                                                                             Secondary market loans (in addition                   
                                                                              to above):                                           
                                                                             -Loan to value generally not to                       
                                                                              exceed 95%                                           
                                                                             -Loan to values which exceed 80%                      
                                                                              require private mortgage insurance                   
                                                                             -Investor approval                                    
 
HOME EQUITY
 
BALANCE  $73,149    Same as above     Same as above                          Same as above                           -Primarily
%           11.5%                                                                                                     Second      
                                                                                                                      mortgages

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

                                       5

<PAGE>
 
<TABLE> 
<CAPTION> 
====================================================================================================================================

          LOAN TYPE
        YEAR END BAL.           PRINCIPAL                     SIGNIFICANT                                MAJOR
           (000'S)               CREDIT                    LOAN ORIGINATION                          UNDERWRITING
       % OF GROSS LOANS          RISKS                      DOCUMENTATION                             STANDARDS     
====================================================================================================================================
<S>                             <C>                <C>                                     <C> 
Indirect Auto                   Borrower default   Application (with financials)           Debt to income ratio generally not to 
                                -Reduction of      Verification of employment               exceed 39% of gross annual           
BALANCE        $165,341          income             Credit history                          income                               
     %             26.1%        -Excessive debt    Evidence of insurance                   No serious prior derogatory credit    
                                -Future death,                                              history
                                 disability or                                             No current delinquencies
                                 divorce                                                   Stable employment and residence
                                Collateral value                                           Established credit, unless down
                                 decline                                                    payment * 25%
                                Casualty
 
                                Dealer             New dealerships are submitted for       New cars-
                                -Business decline   credit approval                         -invoice up to $18,000, will
                                -Industry decline  -Review dealers trade and references      finance  up to  $500 over invoice
                                -General           -Review dealer financial statements      -invoice over $18,000, will finance
                                 economic          -Mercantile report                        up to $1,000 over invoice
                                 conditions        -Annual review                          Used cars (generally not older than
                                -Fraud             -Signed dealer agreement                 4 years)-loans limited to 100% of
                                                                                            NADA loan value

- ------------------------------------------------------------------------------------------------------------------------------------
CONSUMER                        Borrower default   Application (with financials)           Debt to income ratio generally not to 
AUTO (DIRECT)                   -Reduction of      Verification of employment               exceed 39% of gross annual           
                                 income            Credit history                           income                              
BALANCE        $  3,386         -Excessive debt    Evidence of insurance                   No serious prior derogatory credit   
 %                   .5%        -Future death,                                              history
                                 disability or                                             No current delinquencies
                                 divorce                                                   Stable employment and residence
                                Collateral value                                           Established credit, unless down
                                 decline                                                    payment * 25%
                                Casualty
                                                                                           New cars -
                                                                                            -invoice up to $18,000, will
                                                                                             finance  up to  $500 over invoice 
                                                                                            -invoice over $18,000, will finance
                                                                                             up to  $1,000 over invoice 
                                                                                           Used cars (generally not older than
                                                                                            4 years)-loans limited to 100% of
                                                                                            NADA loan value
 
STUDENT                         Loss of            Application                             Compliance with government           
                                 Government                                                 standards                           
BALANCE        $  5,803          guaranty
%                    .9%      
 
 
OTHER
                                Various            Various                                 Various                              
BALANCE        $  2,804  
%                    .5%      

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


<CAPTION> 
===============================================================
          LOAN TYPE          
        YEAR END BAL.        
           (000'S)           
       % OF GROSS LOANS          LIEN POSITION
===============================================================
<S>                             <C>  
Indirect Auto                   Secured, recorded lien
                                 on title
BALANCE        $165,341         Single interest
     %             26.1%         insurance
                             
- ---------------------------------------------------------------
CONSUMER                        Secured, recorded lien
AUTO (DIRECT)                    on title
                                Single interest
BALANCE        $  3,386          insurance
 %                   .5%     
                             
STUDENT                         Unsecured,
                                 Government guaranty
BALANCE        $  5,803      
%                    .9%     
                             
                             
OTHER                        
                                Various
BALANCE        $  2,804      
%                    .5%     
- ---------------------------------------------------------------
</TABLE>

*  Greater than

                                       6
<PAGE>
 
Competition
- -----------

The Company and its subsidiary bank operate primarily in DuPage County,
Illinois, with nine locations, and two locations in Cook County, Illinois, one
of which is located in western Cook County and the other on Chicago's North
Shore.

At June 30, 1998, the Company's eight DuPage County, Illinois, offices (Glen
Ellyn was not opened until September 1998) held $656.9 million in deposits for
an approximate 5.8% market share in relation to the total deposits in DuPage
County commercial banks. The Company's two offices in Cook County, Illinois,
contained $85.5 million in deposits for an approximate .1% market share of Cook
County. The Company's offices are part of the Chicago banking market, as defined
by the Federal Reserve Bank of Chicago, consisting of Cook, DuPage and Lake
Counties, which at June 30, 1998, had $111.5 billion in deposits.

The Company's subsidiary bank is located in a highly competitive market facing
competition for deposits, loans and other financial services from many financial
intermediaries, including banks, savings and loan associations, finance
companies, credit unions, mortgage companies, retailers, stockbrokers, insurance
companies, mutual funds and investment companies, many of which have greater
assets and resources than the Company.

Regulation and Supervision
- --------------------------

General
- -------

The Company is a bank holding company subject to the restrictions and
regulations adopted under the Bank Holding Company Act of 1956, as amended (the
BHCA), and interpreted by the Board of Governors of the Federal Reserve System
(the Federal Reserve Board), and the Company is also subject to Federal
Securities Laws and Delaware Law. The BHCA requires every bank holding company
to obtain the prior approval of the Federal Reserve Board before acquiring
direct or indirect ownership or control of 5% or more of the voting shares of
any bank or bank holding company. However, no acquisition may be approved if it
is prohibited by applicable state law. The Company is examined by the Federal
Reserve Bank of Chicago.

The subsidiary bank is subject to extensive governmental regulation and periodic
regulatory reporting requirements. The regulations by various governmental
entities, as well as Federal and State laws of general application affect the
Company and the subsidiary bank in many ways including but not limited to:
requirements to maintain reserves against deposits, payment of Federal Deposit
Insurance Corporation insurance, restrictions on investments, establishment of
lending limits and payment of dividends. The subsidiary bank is primarily
supervised and examined by the Illinois Office of Banks and Real Estate and the
Federal Deposit Insurance Corporation (FDIC).

The Federal Reserve Bank examines and supervises bank holding companies pursuant
to risk-based capital adequacy guidelines. These guidelines establish a uniform
capital framework that is sensitive to risk factors, including off-balance sheet
exposures, for all federally supervised banking organizations. This can

                                       7
<PAGE>
 
impact a bank holding company's ability to pay dividends and expand its business
through the acquisition of subsidiaries if capital falls below the levels
established by these guidelines. As of December 31, 1998 the Company's Tier 1,
total risk-based capital and leverage ratios were in excess of minimum
regulatory guidelines and the subsidiary bank's capital ratios also exceed the
FDIC criteria for "well capitalized" banks. See the Company's Annual Report at
page 43 for a more detailed discussion of the Risk Based Assessment System and
the impact upon the Company and its subsidiary bank.

Federal Deposit Insurance
- -------------------------

Under Federal law, the FDIC has authority to impose special assessments on
insured depository institutions, to repay FDIC borrowings from the United States
Treasury or other sources, and to establish semi-annual assessment rates for
Bank Insurance Fund (BIF) member banks to maintain the BIF at the designated
reserve ratio required by law. Effective January 1, 1999 the FDIC Assessment
Rate Schedule for BIF members ranged from zero for "well capitalized"
institutions to $.27 per $100 for "undercapitalized" institutions as set forth
in the following table:

                                   BIF RATES

<TABLE>
<CAPTION>
               --------------------------------------------------------
                  Capital               Supervisory Subgroup
                                      ---------------------------------
                   Group               A              B         C 
               --------------------------------------------------------
               <S>                    <C>            <C>       <C> 
                Well capitalized        0 cents       3 cents  10 cents
                Adequate                3            10        24
                Under capitalized      17            24        27
</TABLE>

The Funds Act also authorized the Financing Corporation (FICO) to levy annual
assessments of BIF-assessable deposits to service FICO bond obligations. On
January 4, 1999 the Company's subsidiary bank was assessed $44,253 for its
semiannual FICO payment. The BIF assessment must equal 1/5 of the FICO
assessment rate that is applied to deposits assessable by the Savings
Association Insurance Fund (SAIF). The annual assessment rates for FICO were
determined from the September 30, 1998 call reports and for BIF institutions the
rate was 1.22c per $100.

The subsidiary bank is not restricted by the limitations on Brokered Deposits
and can pass-through the $100,000 FDIC insurance coverage to each participant in
or beneficiary of a qualified employee benefit plan.

                                       8
<PAGE>
 
The Riegle/Neal Interstate Banking and Branching Efficiency Act of 1994 (The
- ----------------------------------------------------------------------------
Interstate Banking Act)
- -----------------------

The Interstate Banking Act allowed "adequately capitalized" and "adequately
managed" bank holding companies to acquire banks in any state as of September
29, 1995. The Act also allows interstate merger transactions.
The Interstate Banking Act amends Section (d) of the Bank Holding Company Act of
1956 authorizing the Federal Reserve to approve a bank holding company's
application to acquire either control or substantial assets of a bank located
outside of the bank holding company's home state regardless of whether the
acquisition would be prohibited by state law. The Federal Reserve may approve
these transactions only for "adequately capitalized" and "adequately managed"
bank holding companies.

The Interstate Banking Act also amended the Federal Deposit Insurance Act to
allow responsible agencies to approve merger transactions between insured banks
with different home states regardless of whether the transaction is prohibited
under state law. Through interstate merger transactions, banks are able to
acquire branches of out of state banks by converting their offices into branches
of the resulting bank. The Act provides that it will be the exclusive means for
bank holding companies to obtain interstate branches. In these transactions, the
resulting bank must remain "adequately capitalized" and "adequately managed"
upon completion of the merger. The Act also states that a home state may enact a
law preventing these transactions; Illinois allows these transactions.

Financial Institutions Reform, Recovery and Enforcement Act of 1989 ("FIRREA")
- ------------------------------------------------------------------------------

The FIRREA has broadened the regulatory powers of federal bank regulatory
agencies. One of the provisions of FIRREA contains a "cross-guarantee" provision
which could impose liability on the Company for losses incurred by the FDIC in
connection with assistance provided to or the failure of any of the Company's
insured depository institutions. The U.S. Court of Appeals Second Circuit
recently upheld the FDIC's power to charge losses from a bank failure to another
bank in the same corporate organization. The Company, under Federal Reserve
Board policy, is a source of financial strength to its subsidiary bank and is
expected to commit resources to support the subsidiary bank. As a result, the
Company could be required to commit resources to its subsidiary bank in
circumstances where it might not do so absent such policies.

The Federal Deposit Insurance Corporation Improvement Act of 1991 (FDICIA)
- --------------------------------------------------------------------------

The FDICIA significantly expanded the regulatory and enforcement powers of
federal banking regulators. FDICIA gives federal banking regulators
comprehensive directions to promptly direct or require the correction of
problems of inadequately capitalized banks in a manner that is least costly to
the Federal Deposit Insurance Fund. The degree of corrective regulatory
involvement in the operations and management of banks and their holding
companies will be largely determined by the actual or anticipated 

                                       9
<PAGE>
 
capital position of the institution. See the Company's Annual Report pages 29
and 43 detailing the Company's capital position.

FDICIA also directs federal banking regulatory agencies to issue new safety and
soundness standards governing operational and managerial activities of banks and
their holding companies particularly in regard to internal controls, loan
documentation, credit underwriting, interest rate exposure, asset growth,
executive compensation and market risk sensitivity.

Year 2000
- ---------

See "Year 2000 Compliance" on pages 29 & 30, inclusive, of the Company's 1998
Annual Report to Shareholders, which is Incorporated herein by reference.

Other Laws and Regulations
- --------------------------

Proposals that change the laws and regulations governing banks, bank holding
companies and other financial institutions are discussed in Congress, the state
legislatures and before the various bank regulatory agencies. Banks are subject
to a number of federal and state laws and regulations which have a material
impact on their business. These include, among others, state usury laws,
consumer protection laws and regulations, (e.g., the Truth in Lending Act, the
Equal Credit Opportunity Act, the Expedited Funds Availability Act, the
Community Reinvestment Act, the Truth in Savings Act), as well as the electronic
funds transfer laws, Bank Secrecy Act, environmental laws and privacy laws.

                                      10
<PAGE>
 
Statistical Disclosure by Bank Holding Companies
- ------------------------------------------------

See "Management Discussion and Analysis" on pages 14 through 30, inclusive, of
the Company's 1998 Annual Report to Shareholders, which is incorporated herein
by reference for the statistical disclosure by bank holding companies.

ITEM 2.  PROPERTIES

The Company's offices are located in Oak Brook, Illinois. The subsidiary bank
and its branches conduct business in both owned and leased premises. The Company
believes its facilities are suitable and adequate to operate its banking
business. For information concerning lease obligations, see Note 5 of the Notes
to Consolidated Financial Statements and lease exhibits previously filed and
incorporated by reference.

The Company and Oak Brook Bank occupy space in an eight-year old, three-story,
100,000 square foot, modern office building located at 1400 Sixteenth Street,
Oak Brook, Illinois, which is owned and operated by Oak Brook Bank. The first
                              -----
and second floors and portions of the third floor and lower level are occupied
by Oak Brook Bank. The Company leases a small portion from Oak Brook Bank. A
portion of the third floor is rented to third parties.

During 1998, Oak Brook Bank purchased property in the western Cook County suburb
of LaGrange, Illinois. Development of the site began in 1999 for the
construction of a new branch expected to open during the third quarter of 1999.
The brick building will be approximately 4,100 square feet.

In addition, Oak Brook Bank operates the following branches:

     Addison - A 26 year old, 14,500 square foot, two-story brick, colonial
     -------
     building including a full basement and attached drive-up facility in
     Addison, Illinois. The second floor is rented to third parties. This
     facility and real estate are owned by Oak Brook Bank and was originally the
                                  -----
     Heritage Bank of Addison, acquired September, 1974.

     Aurora - A one year old Federalist style building, 4,400 square feet, brick
     ------                                                                     
     with a slate roof and accentuated by a clock tower in Aurora, Illinois.
     This facility and real estate are owned by Oak Brook Bank. Opened in
                                       -----                              
     January, 1999.

     Bensenville -  Approximately 2,000 square feet of leased space in a modern,
     -----------                                       ------                   
     two-story glass building in Bensenville, Illinois. The current lease
     expires in 2001 and has three additional 5-year renewal options. Opened in
     May, 1986.

     Broadview -  A 45 year old, 6,955 square foot, one-story brick building in
     ---------                                                                 
     Broadview, Illinois. This facility and real estate are owned by Oak Brook
                                                            -----             
     Bank. Originally Liberty Bank acquired in March, 1989.

     Broadview Drive-up - Oak Brook Bank also owns a detached one-story drive-up
     ------------------                       ----                              
     facility across the street from the Broadview location.

                                      11
<PAGE>
 
     Burr Ridge - Approximately 6,600 square feet of leased space in a one-story
     ----------                                      ------
     contemporary building located in Burr Ridge, Illinois. A portion of this
     space is used for record storage. The current lease expires in 1999 and has
     five additional 3-year renewal options. Opened in October, 1988.

     Glen Ellyn - A new cape cod cottage style building, 1,100 square feet and
     ----------                                                               
     constructed of stone and stucco. The facility includes a drive-up and is
     owned by Oak Brook Bank. Opened in September, 1998.
     -----                                               

     Glenview - Approximately 1,800 square feet of leased space in a strip
     --------                                      ------                 
     shopping center in Glenview, Illinois. The current lease expires in 2002
     with an option to cancel in 1999. Opened in March, 1990.

     Lisle -  Approximately 1,300 square feet of leased space in a neighborhood
     -----                                       ------                        
    shopping center in a primarily residential section of Lisle, Illinois. A
    detached drive-up automated teller machine is also operated at this
    location. The current lease expires in 2000 and has one additional 3-year
    renewal option. Opened in October, 1985.

     Naperville - A 2,400 square foot, two-story contemporary Palladian-style
     ----------                                                                
     building with a full basement and attached drive-up facility in Naperville,
     Illinois. This facility is owned by Oak Brook Bank. Opened in June, 1988.
                                -----                                          
    
     Warrenville - Approximately 4,400 square feet of leased space on the first
     -----------                                      ------                   
     floor of a two-story tudor-style building with a full basement and attached
     drive-up facility in Warrenville, Illinois. The current lease expires in
     2003. Originally Warrenville Bank & Trust, acquired April, 1983.

ITEM 3.  LEGAL PROCEEDINGS

The Company and its subsidiary bank were not subject to any material pending or
threatened legal actions as of December 31, 1998. No such actions have arisen
subsequent to year-end.

ITEM 4.  SUBMISSION OF MATTERS TO A VOTE OF SECURITY HOLDERS

There were no matters submitted to a vote of shareholders during the fourth
quarter of this year.

                                      12
<PAGE>
 
                                    PART II
ITEM 5.  MARKET FOR REGISTRANT'S COMMON EQUITY AND RELATED STOCKHOLDER MATTERS

The Company's Class A Common Stock is listed on The Nasdaq Stock Market(R). See
"Stock Performance and Dividend Information" on page 1 and "Corporate and
Shareholder Information" on the inside back cover of the Company's 1998 Annual
Report to Shareholders which is incorporated herein by reference.

See Notes 8, 12 and 13 of the Notes to Consolidated Financial Statements on
pages 42 through 45, inclusive, of the Company's 1998 Annual Report to
Shareholders which is incorporated herein by reference.


ITEM 6.  SELECTED FINANCIAL DATA

See "Earnings Summary and Selected Consolidated Financial Data" on page 14 of
the Company's 1998 Annual Report to Shareholders, which is incorporated herein
by reference.

ITEM 7.  MANAGEMENT'S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND RESULTS
OF OPERATION

See "Management Discussion and Analysis" on pages 14 through 30, inclusive, of
the Company's 1998 Annual Report to Shareholders, which is incorporated herein
by reference.

ITEM 7A.  QUANTITATIVE AND QUALITATIVE DISCLOSURES ABOUT MARKET RISKS

See "Interest Rate Sensitivity" on page 24 of the Company's 1998 Annual Report
to shareholders, which is incorporated herein by reference.

ITEM 8.  FINANCIAL STATEMENTS AND SUPPLEMENTARY DATA

The Consolidated Financial Statements and related notes are on pages 31 through
48, inclusive, of the Company's 1998 Annual Report to Shareholders, which is
incorporated herein by reference.

ITEM 9.  CHANGES IN AND DISAGREEMENTS WITH ACCOUNTANTS ON ACCOUNTING AND
FINANCIAL DISCLOSURE

Not applicable. Information relating to this Item was previously reported on the
Company's Form 8-K filed on July 28, 1998.

                                      13
<PAGE>
 
                                    PART III
                                        
ITEM 10.  DIRECTORS AND EXECUTIVE OFFICERS OF THE REGISTRANT

See "Directors and Executive Officers" on pages 6 and 7 of the Company's Proxy
Statement to be filed on or before April 1, 1999, which is incorporated herein
by reference.

ITEM 11.  EXECUTIVE COMPENSATION

See "Summary Compensation Table" and footnotes, "Five Year Performance
Comparison" and "Aggregated Option Exercises and Year-End Option Values Table"
and "Option Grants Table" on pages 10 through 13, inclusive, of the Company's
Proxy Statement to be filed on or before April 1, 1999, which is incorporated
herein by reference.

ITEM 12.  SECURITY OWNERSHIP OF CERTAIN BENEFICIAL OWNERS AND MANAGEMENT

See "Information Concerning Security Ownership of Certain Beneficial Owners and
Management" on pages 3 and 4 of the Company's Proxy Statement to be filed on or
before April 1, 1999, which is incorporated herein by reference.

ITEM 13.  CERTAIN RELATIONSHIPS AND RELATED TRANSACTIONS

See "Certain Transactions" on page 7 of the Company's Proxy Statement to be
filed on or before April 1, 1999, which is incorporated herein by reference.

                                      14
<PAGE>
 
                                    PART IV
                                        
ITEM 14.  EXHIBITS, FINANCIAL STATEMENT SCHEDULES AND REPORTS ON FORM 8-K

                                                                 ANNUAL REPORT
                                                                      PAGE
                                                                      ----

(a)  1. The following financial statements are
        filed as part of this report:
 
        Annual Report to Shareholders -
          Report of Independent Auditors                                 31
          Consolidated Balance Sheets - December 31, 1998
            and 1997                                                     32
          Consolidated Statements of Income for each of
            the three years in the period ended
            December 31, 1998                                            33
          Consolidated Statements of Changes in
            Shareholders' Equity for each of the three
            years in the period ended December 31, 1998                  34
          Consolidated Statements of Cash Flows for each
            of the three years in the period ended
            December 31, 1998                                            35
          Notes to Consolidated Financial Statements                  36-48

     2. Financial statement schedules:  Other than the opinion of the
            predecessor independent auditor, filed as Exhibit 99 
            hereto, all schedules are omitted as they are not 
            applicable or information is included in the
            consolidated financial statements or the notes 
            thereto.

(b)  The following Reports on Form 8-K were filed during the last 
     quarter of the period covered by this report: None

(c)  The following exhibits are included herein:

       Exhibit (3)     Articles of Incorporation including Amendments thereto
                       and By Laws of First Oak Brook Bancshares, Inc. (Exhibit
                       3 to the Company's Form 10-Q Quarterly Report for the
                       period ended June 30, 1998, incorporated herein by
                       reference).


       Exhibit (10.1)  Loan Agreement between First Oak Brook Bancshares, Inc.
                       and LaSalle National Bank dated December 1, 1991 as
                       amended. (Exhibit 10.1 to the Company's Form 10-Q
                       Quarterly Report for the period ended June 30, 1998,
                       incorporated herein by reference).

       Exhibit (10.2)  Lease Agreement between First Oak Brook Bancshares, Inc.
                       and Oak Brook Bank dated November 8, 1991. (Exhibit 10.2
                       to the Company's Form 10-K Annual Report for the year
                       ended December 31, 1994, incorporated herein by
                       reference).

                                      15
<PAGE>
 
       Exhibit (10.3)  First Oak Brook Bancshares, Inc. Executive Deferred
                       Compensation Plan effective November 1, 1997. (Exhibit
                       10.3 to the Company's Form 10-K Annual Report for the
                       year ended December 31, 1997, incorporated herein by
                       reference).

       Exhibit (10.4)  First Oak Brook Bancshares, Inc. Employees' Stock Bonus
                       Plan as amended and restated effective July 19, 1994.
                       (Exhibit 10.4 to the Company's Form 10-K Annual Report
                       for the year ended December 31, 1994, incorporated herein
                       by reference).

       Exhibit (10.5)  First Oak Brook Bancshares, Inc. Amended and Restated
                       1987 Stock Option Plan effective September 21, 1987.
                       (Exhibit 10.5 to the Company's Form 10-K Annual Report
                       for the year ended December 31, 1994, incorporated herein
                       by reference).

       Exhibit (10.6)  Lease Agreement between Oak Brook Bank, not personally,
                       but solely as Trustee under Trust Agreement dated August
                       1, 1989 and known as Trust Number 2200 and Life Investors
                       Insurance Co. of America, an Iowa Corporation, for Suite
                       300 of the Oak Brook Bank Building. (Exhibit 10.6 to the
                       Company's Form 10-K Annual Report for the year ended
                       December 31, 1994, incorporated herein by reference).

       Exhibit (10.7)  Lease Agreement between Oak Brook Bank, not personally,
                       but solely as Trustee under Trust Agreement dated August
                       1, 1989 and known as Trust Number 2200 and CB Commercial
                       Real Estate Group, Inc., a Delaware Corporation, for
                       Suite 301 of the Oak Brook Bank Building. (Exhibit 10.7
                       to the Company's Form 10-K Annual Report for the year
                       ended December 31, 1994, incorporated herein by
                       reference).

       Exhibit (10.8)  License Agreement, between Jack Henry & Associates, Inc.
                       and First Oak Brook Bancshares, Inc. dated March 10,
                       1993. (Exhibit 10.8 to the Company's Form 10-K Annual
                       Report for the year ended December 31, 1994, incorporated
                       herein by reference).

                                      16
<PAGE>
 
       Exhibit (10.9)  Form of Transitional Employment Agreement for Eugene P.
                       Heytow, Richard M. Rieser, Jr. and Frank M. Paris.

       Exhibit (10.10) Form of Transitional Employment Agreement for Senior
                       Officers.

       Exhibit (10.11) Form of Agreement Regarding Post-Employment Restrictive
                       Covenants for Eugene P. Heytow, Richard M. Rieser, Jr.
                       and Frank M. Paris. (Exhibit 10.11 to the Company's Form
                       10-K Annual Report for the year ended December 31, 1994,
                       incorporated herein by reference).

       Exhibit (10.12) Form of Supplemental Pension Benefit Agreement for Eugene
                       P. Heytow. (Exhibit 10.12 to the Company's Form 10-K
                       Annual Report for the year ended December 31, 1994,
                       incorporated herein by reference).

       Exhibit (10.13) Form of Supplemental Pension Benefit Agreement for
                       Richard M. Rieser, Jr. (Exhibit 10.13 to the Company's
                       Form 10-K Annual Report for the year ended December 31,
                       1994, incorporated herein by reference).

       Exhibit (10.14) Senior Executive Insurance Plan. (Exhibit 10.14 to the
                       Company's Form 10-K Annual Report for the year ended
                       December 31, 1995, incorporated herein by reference).

       Exhibit (10.15) First Oak Brook Bancshares, Inc. Performance Bonus Plan
                       amended and restated effective May 7, 1996. (Exhibit
                       10.15 to the Company's Form 10-K Annual Report for the
                       year ended December 31, 1996, incorporated herein by
                       reference).

       Exhibit (13)    Annual Report to Shareholders.

       Exhibit (21)    Subsidiary of the Registrant.

       Exhibit (23.1)  Consent of KPMG LLP.

       Exhibit (23.2)  Consent of Ernst and Young LLP.
 
       Exhibit (27)    Financial Data Schedule.
 
       Exhibit (99)    Ernst & Young LLP Opinion.
 
 Exhibits 10.9 through 10.15 are management contracts or compensatory plans or
arrangements required to be filed as an Exhibit to this Form 10-K pursuant to
Item 14(c) hereof.

                                      17

<PAGE>
 
                                   SIGNATURES
                                        
Pursuant to the requirements of Section 13 or 15(d) 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.

                              FIRST OAK BROOK BANCSHARES, INC.
                              --------------------------------
                                         (Registrant)

                              BY:   /S/ EUGENE P. HEYTOW
                                    --------------------------
                                    (Eugene P. Heytow, Chairman of the
                                    Board and Chief Executive Officer)

                              DATE:   March 19, 1999
                                   --------------------

Pursuant to the requirements of the Securities Exchange Act of 1934, this report
has been signed below by the following persons on behalf of the Registrant and
in the capacities and on the dates indicated.

<TABLE>
<CAPTION>
Signature                         Title                      Date
- ---------                         -----                      ----
<S>                               <C>                        <C>
/S/ EUGENE P. HEYTOW              Chairman of the Board      March 19, 1999
- ----------------------------                              
    Eugene P. Heytow              and Chief Executive       
                                  Officer                   
                                                          
/S/ FRANK M. PARIS                Vice Chairman of           March 19, 1999
- ----------------------------                              
    Frank M. Paris                the Board                 
                                                          
/S/ RICHARD M. RIESER,Jr.         President,                 March 19, 1999
- ----------------------------                              
    Richard M. Rieser, Jr.        Assistant Secretary,      
                                  and Director              
                                                          
/S/ MIRIAM LUTWAK FITZGERALD      Director                   March 19, 1999
- ----------------------------                              
    Miriam Lutwak Fitzgerald                                
                                                          
/S/ GEOFFREY R. STONE             Director                   March 19, 1999
- ---------------------------                               
    Geoffrey R. Stone                                     
                                                          
/S/ MICHAEL L. STEIN              Director                   March 19, 1999
- ---------------------------                               
    Michael L. Stein                                      
                                                          
/S/ STUART I. GREENBAUM           Director                   March 19, 1999
- ---------------------------                               
    Stuart I. Greenbaum                                   
                                                          
/S/ ROBERT WROBEL                 Director                   March 19, 1999
- ---------------------------                               
    Robert Wrobel                                         
                                                          
/S/ ROSEMARIE BOUMAN              Vice President and         March 19, 1999
- ---------------------------                               
    Rosemarie Bouman              Chief Financial Officer   
</TABLE>
 
                                      18

<PAGE>
 
                                                                  EXHIBIT (10.9)

                       TRANSITIONAL EMPLOYMENT AGREEMENT
                           (EXECUTIVE OFFICER GROUP)
                           -------------------------


     This Agreement is made as of this 26th day of January, 1999, by and between
First Oak Brook Bancshares, Inc., a Delaware corporation (the "Employer") and
the undersigned executive officer (the "Executive").

                             W I T N E S S E T H:

     WHEREAS, the Executive has been employed for some years past by the
Employer and/or one or more of its subsidiaries; and

     WHEREAS, the Employer wishes to assure both itself and the Executive of
continuity of management in the event of any actual Change in Control (as
defined in Paragraph 2) of the Employer on the terms and conditions set forth
herein; and

     WHEREAS, the Executive desires to provide such services and continuity; and

     WHEREAS, to achieve this purpose, the Board of Directors of the Employer
considered and approved this Agreement to be entered into with the Executive as
being in the best interests of the Employer and its stockholders;

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

     1.   Term  This Agreement shall become effective upon the occurrence of a
          ----                                                           
Change in Control (as defined in Paragraph 2, below) (hereinafter called the
"Effective Date of this Agreement") and shall remain in effect for a term
continuing until the end of the thirty-sixth (36th) calendar month following the
month in which the Effective Date of this Agreement occurs; provided, however,
that, anything in this Agreement to the contrary notwithstanding, if a Change in
Control occurs and if the Executive's employment with the Employer was
terminated within six (6) months prior to the date on which the Change in
Control occurs, and if it is reasonably demonstrated by the Executive that such
termination of employment (a) was at the request of a third party who was taking
steps reasonably calculated to effect a Change in Control or (b) otherwise arose
in connection with or anticipation of a Change in Control, then for all purposes
of this Agreement the "Effective Date of this Agreement" shall mean the date
immediately prior to the date of such termination of employment.
<PAGE>
 
     2.   Change in Control. For the purposes of this Agreement, a "Change in
          -----------------
Control" shall be deemed to have occurred if:

          (a)  Any "person" is or becomes the "beneficial owner" directly or
               indirectly of securities of the Employer representing more than
               fifty percent (50%) of the combined voting power of the
               Employer's then outstanding securities entitled to vote generally
               in the election of directors (the "Voting Stock"); or

          (b)  Continuing Directors cease for any reason to constitute at least
               a majority of the entire Board of Directors of the Employer; or

          (c)  The consummation of a business combination involving the Employer
               (or any direct or indirect subsidiary of the Employer) occurs,
               unless after such a business combination (i) the shareholders of
               the Employer immediately prior to the business combination
               continue to own, directly or indirectly, more than fifty percent
               (50%) of the combined voting power of the then outstanding voting
               securities entitled to vote generally in the election of
               directors of the new (or continuing) entity immediately after the
               business combination, and (ii) at least a majority of the members
               of the board of directors of the entity resulting from the
               business combination were Continuing Directors at the time of the
               execution of the initial agreement, or of the action of the
               Board, providing for such business combination; or

          (d)  A complete liquidation or dissolution of the Employer or
               consummation of the sale or other disposition of all or
               substantially all of the assets of the Company.

For purposes of foregoing, "person" and "beneficial owner" shall be as defined
in Sections 13(d) and 14(d) of the Securities Exchange Act of 1934, as amended,
and the regulations thereunder.  A Change in Control shall not be deemed to have
occurred under subparagraph (a) above, if the beneficial owner is a corporation
owned directly or indirectly by the shareholders of the Employer in
substantially the same proportions as their ownership of the Voting Stock, an
employee benefit plan of the Employer or any subsidiary of the Employer, or any
person who, as of January 26, 1999, is the beneficial owner of more than fifty
percent (50%) of the Voting Stock.  For purposes of subparagraph (b), an
individual will be a "Continuing Director" if he or she is a director of the
Employer on January 26, 1999, or becomes a director of the Employer thereafter,
provided the individual was elected, or was nominated for an election to occur
at a meeting of stockholders, by a majority of the Continuing Directors still in
office; provided, however, that in no event shall an individual be considered a
Continuing Director if the individual was designated for election or nomination
by a person who has entered into an agreement with the Employer to effect an
acquisition described in subparagraph (a) or a business combination described in
subparagraph (c).  For purposes of subparagraph (c), a business combination
shall mean a merger or consolidation, or 
<PAGE>
 
an issuance of securities by the Employer in connection with a merger or
consolidation, involving the Employer (or any direct or indirect subsidiary of
the Employer).

     3.   Employment.  The Employer hereby agrees to continue the Executive in
          ----------                                               
its employ for a period of thirty-six (36) months commencing on the Effective
Date of this Agreement (the "Employment Period"), with the same director and
officer titles, duties and responsibilities as in effect immediately prior to
the Effective Date of this Agreement. The Executive agrees that during the
Employment Period he shall continue to devote such time to his executive duties
as devoted prior to the Effective Date of the Agreement and shall perform such
duties faithfully; provided, however, that Executive's continued service for
other corporations and entities, and on any other corporate, civic, charity or
foundation board shall not be deemed to breach Executive's obligations
hereunder.

     4.   Compensation, Compensation Plans, Benefits and Perquisites. During the
          ----------------------------------------------------------      
Employment Period, the Executive shall:

          (a)  Receive an annual salary and director's fees at a rate which is
               not less than his rate of annual salary and director's fees
               immediately prior to the Effective Date of this Agreement, with
               the opportunity for increases from time to time thereafter which
               are in accordance with the regular practices of the Employer or
               its affiliates (which for purposes of this Agreement, shall mean
               any corporation or enterprise which, as of a given date, is a
               member of the same controlled group of corporations, the same
               group of trades or businesses under common control or the same
               affiliated service group, determined in accordance with Section
               414(b), (c), (m) or (o) of the Code (as defined in Paragraph 7
               hereof), as is the Employer) with respect to executives with
               comparable duties, provided, however, that the rate of such
               annual salary (and director's fees) shall be increased by at
               least four percent (4%) on each first day of January which occurs
               during the Employment Period;

          (b)  Be eligible to participate on a comparable basis, in each
               calendar year during which the Employment Period runs, in an
               annual bonus program maintained by the Employer or its affiliates
               in which executives with comparable duties are eligible to
               participate, provided that the annual bonus payable thereunder
               shall not be less than the average annual bonus paid to the
               Executive during the three calendar years immediately preceding
               the Effective Date of this Agreement;

          (c)  Be eligible to participate on a comparable basis in the stock
               option or other equity incentive plans and any other bonus
               incentive compensation plans maintained from time to time by the
               Employer or its affiliates during the Employment Period and in
               which executives with comparable duties are eligible to
               participate;

          (d)  Be entitled to participate (i) in any group or executive medical,
               dental, disability, life insurance, retirement, profit sharing,
               thrift and other plans and programs, including nonqualified and
               deferred compensation plans 
<PAGE>
 
               and programs, maintained from time to time by the Employer or its
               affiliates during the Employment Period and in which executives
               with comparable duties are eligible to participate and (ii) in
               the Executive Medical Plan, split-dollar and other special life
               insurance arrangements, and Stock Bonus Plan to the same extent
               the Executive participated in such benefits before the Effective
               Date of the Agreement; and

          (e)  Be entitled to receive vacation and perquisites which are
               provided by the Employer or its affiliates from time to time
               during the Employment Period to executives with comparable
               duties, but in no event less favorable than the vacation and
               perquisites to which he was entitled immediately prior to the
               Effective Date of this Agreement (including, but not limited to,
               company car and allowances, club memberships and dues,
               subscriptions and travel).

     5.   Termination During Employment Period.
          ------------------------------------

          (a)  For purposes of this Agreement, the term "termination" shall mean
               (i) termination by the Employer of the employment of the
               Executive with the Employer and all of its affiliates for any
               reason other than death, disability or "cause" (as defined
               below), or (ii) resignation of the Executive for "constructive
               discharge" (as defined below).

          (b)  The term "constructive discharge" shall mean the Executive's
               resignation from the Employer and all of its affiliates upon any
               one of the following:

               (i)   the failure of the Employer to pay or provide the
                     compensation, benefits and perquisites contemplated by
                     Paragraph 4, other than an isolated, insubstantial and
                     inadvertent failure which is remedied by the Employer
                     promptly after receipt of written notice thereof given by
                     Executive;

               (ii)  there shall have occurred a material diminution in the
                     Executive's title or duties and responsibilities from those
                     in effect prior to the Effective Date of this Agreement;
                     other than an isolated, insubstantial and inadvertent
                     failure which is remedied by the Employer promptly after
                     receipt of written notice thereof given by Executive;

               (iii) the Employer changes the Executive's (A) primary employment
                     location to a place that is more than 35 miles from
                     Executive's primary employment location as of the Effective
                     Date of the Agreement and/or (B) regularly scheduled work
                     hours significantly from such hours as of the Effective
                     Date of the Agreement; and/or

               (iv)  at any time for any reason prior to the first anniversary
                     of the Effective Date of the Agreement.
<PAGE>
 
          (c)  The term "cause" means (i) felony conviction resulting from an
               act or acts of dishonesty or breach of trust, other than a felony
               predicated upon the Executive's vicarious liability or (ii) the
               Executive's continued and willful failure to substantially
               perform his duties under this Agreement. For purposes of this
               paragraph, no act or failure to act on the Executive's part will
               be considered "willful" unless done, or omitted to be done, by
               him not in good faith and without reasonable belief that his
               action or omission was in the interests of the Employer or its
               affiliates or not opposed to the interests of the Employer or its
               affiliates.

     6.   Termination Benefits.  In the event of a termination of the Executive
          --------------------                                         
during the Employment Period, the Employer shall provide and the Executive shall
be entitled to receive the following:

          (a)  The Executive shall, notwithstanding such termination, be
               entitled to continue to receive salary payments and director's
               fees for thirty-six (36) months from the date of termination
               (which thirty-six month period shall be treated hereunder as a
               continuation of Employment Period) at the greater of (i) the rate
               required by Paragraph 4(a), (ii) in effect immediately prior to
               termination or the (iii) average annual salary received by the
               Executive during the five (5) calendar years immediately
               preceding the calendar year in which the Effective Date of this
               Agreement occurs.

          (b)  The Executive shall receive a bonus payment with respect to each
               calendar year ending during such thirty-six (36) month period
               equal to the average annual cash bonus paid during the three
               calendar years immediately preceding the Effective Date of the
               Agreement, or if greater, the date of termination, plus a pro
                                                                         ---
               rata payment for the calendar year in which such thirty-six (36)
               ----
               month period ends based on such average annual cash bonus. The
               bonus payments for each calendar year shall be made within 30
               days of the end of the calendar year to which such bonus relates.

          (c)  The Employer shall maintain in full force and effect for the
               continued benefit of the Executive and the Executive's dependents
               and the group and executive medical and dental plans described in
               Paragraph 4(d)(i) and (ii) to which Executive would have been
               entitled if he had remained in the employ of the Employer through
               the remainder of the Employment Period (as extended in Paragraph
               6(a) above), or if such continuation is not possible under the
               terms and provisions of such plans, programs, or arrangements,
               the Employer shall arrange to provide benefits substantially
               similar to those which the Executive (and, to the extent
               applicable, his dependents) would have been entitled to receive
               under such medical and dental plans if the Executive had remained
               a participant in such plans, programs or arrangements for such
               period.
<PAGE>
 
          (d)  Upon the expiration of the extended Employment Period, (i)
               coverage under the Executive Medical Plan shall continue after
               the extended Employment Period for the life of the Executive and
               his spouse at no cost to such Executive or spouse, and (ii) the
               Executive (and, if applicable, his dependents) shall be entitled
               to maintain group medical and dental coverage under the
               continuation coverage provisions of such plans ("COBRA
               Coverage"), which entitlement shall, notwithstanding any other
               provisions of the group plan to the contrary, be subject to
               termination only in the event of the failure of the Executive or
               the dependent to timely pay the appropriate premium for such
               coverage, provided that such coverage shall be secondary to any
               group coverage (including Medicare or any government-sponsored or
               mandated program) subsequently obtained or covering the Executive
               or dependent.

          (e)  The Employer shall pay to the Executive the value of the stock
               options and other equity incentives which the Executive would
               otherwise have received if he remained in the employ of the
               Employer through the remainder of the Employment Period (as
               extended in Paragraph 6(a) above). The "value" of such stock
               options shall be equal to (i) the total number of shares subject
               to option comprising the average of the annual option awards made
               by the Employer or its affiliates during such remainder of the
               Employment Period to individuals employed by the Employer or one
               of its affiliates who received option awards and whose annual
               base salary is not less than 90% nor more than 110% of the
               applicable amount of the annual base salary and director's fee
               payments described in Paragraph (6)(a) above (or, if there are no
               individuals whose annual base salary falls with such range, then
               those whose base salary is not less than 90% nor more than 110%
               of the base salary of the individual whose base salary is next
               highest above the annual amount described in Paragraph 6(a))
               (such individuals within such range the "Comparable
               Individuals"), multiplied by (ii) the value per option share,
               determined at the time of grant using the Black-Scholes option
               pricing model. The "value" of restricted stock or similar equity
               incentive awards shall be the total number of shares covered by
               the average of the other equity incentive awards made by the
               Employer or its affiliates during the remainder of the Employment
               Period to Comparable Individuals who received such awards,
               multiplied by the value of the restricted stock or other equity
               unit, determined based upon the fair market value of the
               Employer's or affiliate's stock as of the date the grant is made
               to the Comparable Individuals. Payments of the amounts described
               in this Paragraph 6(c) shall be made on each anniversary of the
               Executive's termination of employment, which payments shall equal
               the aggregate value described above as determined by reference to
               the stock options, restricted stock or other equity awards made
               by the Employer or its affiliates in the preceding 12 months.

          (f)  The Employer shall pay to Executive the value of the Employer's
               Employee's Savings Plan, Stock Bonus Plan, Executive Deferred
<PAGE>
 
               Compensation Plan, and any other executive or group life
               insurance, retirement, profit sharing, thrift and other plans and
               programs, including nonqualified and deferred compensation plans,
               described in Paragraph 4(d)(i) above, of the life insurance
               premium reimbursement and any other split-dollar and other
               special life insurance arrangements described in Paragraph
               4(d)(ii) above, and of the perquisites described in Paragraph
               4(e) above, which the Executive would otherwise have received if
               Executive remained in the employ of the Employer through the
               remainder of the Employment Period (as extended in Paragraph 6(a)
               above). For purposes of this Paragraph 6(e) The annual "value" of
               the employee benefit plans described in Paragraph 4(d)(i) and of
               the life insurance [and Stock Bonus Plan make-ups] described in
               Paragraph 4(d)(ii) shall be determined on the basis of the actual
               rate of contributions payments or accruals, as applicable, during
               the calendar year immediately preceding the Effective Date of
               this Agreement (or, if the value as to any such amount as so
               determined would be greater, during the calendar year immediately
               preceding the date of termination) and an annual "value" of the
               perquisites described in Paragraph 4(e) shall be 10.0% of the
               annual amount of the salary and the director's fees payments
               described in Paragraph 6(a) above. One-twelfth (1/12th) of the
               aggregate annual value of the benefits described in Paragraph
               4(d)(i) and 4(d)(ii) and the perquisites described in this
               Paragraph 6(e) shall be paid to the Executive monthly for thirty-
               six (36) months following the date of termination.

          (g)  From and after the date of a termination until full satisfaction
               of the obligations of the Employer hereunder and under the plans,
               programs and arrangements referred to herein and under any other
               agreement with respect to which Employer may be obligated to make
               post-employment payments to the Executive, the Employer shall
               maintain a grantor trust in form and substance reasonably
               acceptable to Executive to assist the Employer in the discharge
               of its obligations hereunder and under any other nonqualified,
               deferred compensation plan maintained by the Employer under which
               Executive has an interest. The Employer shall deposit assets and
               make contributions into the grantor trust in amounts necessary to
               maintain the assets of the grantor trust at a level equal to the
               present value of the obligations of the Employer to the Executive
               under this Agreement and any such plans, programs or
               arrangements. Such amounts due shall be paid from the grantor
               trust or by the Employer directly, in which case the Employer
               shall be entitled to reimbursement form the grantor trust.

     7.   Supplemental Compensation.  In the event it shall be determined
          -------------------------                                      
that any payment or distribution of any type to or for the benefit of the
Executive by the Employer, any of its affiliates, or any person who acquires
ownership or effective control of the Employer or ownership of a substantial
portion of the Employer's assets (within the meaning of Section 280G of the
Code, and the regulations thereunder) or any affiliate of such person, whether
paid or payable or distributed or distributable pursuant to the terms of this
Agreement or 
<PAGE>
 
otherwise (the "Total Payments"), is subject to the excise tax imposed by
Section 4999 of the Code or any similar successor provision or any interest or
penalties with respect to such excise tax (such excise tax, together with any
such interest and penalties, are collectively referred to as the "Excise Tax"),
then the Executive shall be entitled to receive an additional payment (a "Gross-
Up Payment") in an amount such that after payment by the Executive of all taxes
(including any interest or penalties imposed with respect to such taxes),
including any Excise Tax, imposed upon the Gross-Up Payment, the Executive
retains an amount of the Gross-up Payment equal to the Excise Tax imposed upon
the Total Payments (not including any Gross-Up Payment). All determinations as
to whether any of the Total Payments are "parachute payments" (within the
meaning of Section 280G of the Code), whether a Gross-Up Payment is required,
the amount of such Gross-Up Payment and any amounts relevant to the foregoing
sentence shall be made by an independent accounting firm selected by the
Employer, which may be the accounting firm then regularly retained by the
Company (the "Accounting Firm"). The Accounting Firm shall provide its
determination (the "Determination"), together with detailed supporting
calculations, regarding the amount of any Gross-Up Payment and any other
relevant matter, both to the Employer and the Executive, within five (5) days of
a date of termination, if applicable, or such earlier time as is requested by
the Employer or the Executive (if the Executive reasonably believes that any of
the Total Payments may be subject to the Excise Tax). Any determination by the
Accounting Firm shall be binding upon the Employer and the Executive. As a
result of uncertainty in the application of Section 4999 of the Code at the time
of the initial determination by the Accounting Firm hereunder, it is possible
that the Employer should have made Gross-Up Payments ("Underpayment"), or that
Gross-Up Payments will have been made by the Employer which should not have been
made ("Overpayments"). In either such event, the Accounting Firm shall determine
the amount of the Underpayment or Overpayment that has occurred. In the case of
the Underpayment, the amount of such Underpayment shall be promptly paid by the
Employer to or for the benefit of the Executive. In the case of an Overpayment,
the Executive shall, at the direction and expense of the Employer, take such
steps as are reasonably necessary (including the filing of returns and claims
for refund), follow reasonable instructions from, and procedures established by,
the Employer, and otherwise reasonably cooperate with the Employer to correct
such Overpayment, including repayment of such Overpayment to the Employer.
 
     8.   No Obligation to Mitigate Damages.  The Executive shall not be
          ---------------------------------                               
obligated to seek other employment in mitigation of amounts payable or
arrangements made under the provisions of this Agreement and the obtaining of
any such other employment shall in no event effect any reduction of the
Employer's obligations under this Agreement.
 
     9.   Enforcement; Arbitration.
          ------------------------   

               (a)  In the event the Employer shall fail to pay any amounts due
                    to Executive or any successor under this Agreement or any
                    plan, program or arrangement referred to herein as they come
                    due, the Employer agrees to pay interest on such amounts at
                    the prime rate of interest as from time to time published in
                    The Wall Street Journal (Midwest Edition) plus four percent
                    ----------------------- 
                    (4%) per annum until paid.

               (b)  Each of the Employer and the Executive or any successor
                    shall have the right and option to elect to have any dispute
                    or controversy arising under 
<PAGE>
 
                    or in connection with this Agreement, or any plan, program
                    or arrangement referred to herein, or any breach thereof,
                    settled exclusively by arbitration, conducted before an
                    arbitrator in accordance with rules of the American
                    Arbitration Association then in effect. Judgment may be
                    entered on the award of the arbitrator in any court having
                    jurisdiction. Any such arbitration shall be held in Chicago,
                    Illinois.

               (c)  The Employer shall pay all reasonable legal fees, costs of
                    litigation, and other reasonable expenses incurred by the
                    Executive or any successor who is successful pursuant to
                    legal judgment, arbitration or settlement in a challenge
                    resulting from the Employer's refusal to pay any amounts due
                    under this Agreement or any plan, program or arrangement
                    referred to herein to which it is determined that the
                    Executive or successor is entitled, or as a result of the
                    Employer's contesting the validity, enforceability or
                    interpretation of this Agreement or any such plan, program
                    or arrangement.

               (d)  As a condition precedent to the commencement of any action
                    under this Agreement or any plan, program or arrangement
                    referred to herein, each of the Employer or the Executive or
                    any successor agree to provide written notice ("initial
                    notice") at least fifteen (15) business days prior to
                    initiating any such action wherein such party shall (i)
                    agree to submit such dispute to non-binding mediation to be
                    held in Chicago, Illinois at JAMS/Endispute (or a similar
                    organization) within 30 days of such notice and (ii)
                    indicate whether such party is invoking arbitration pursuant
                    to Paragraph 10(b) above. The party receiving such notice
                    shall agree to submit to such mediation and, if the initial
                    notice did not include an election invoking arbitration,
                    then the receiving party may by written notice within ten
                    (10) business days following receipt of the initial notice
                    elect to invoke arbitration pursuant to said Paragraph
                    10(b).

     10.  Indemnification.  In the event that legal action is instituted
          ---------------                                                 
against Executive during or after the term hereof by a third party (or parties)
based on the performance or nonperformance by Executive of his duties hereunder,
the Employer will assume the defense of such action by its attorney or attorneys
selected by the Employer reasonably satisfactory to the Executive and advance
the costs and expenses thereof (including reasonable attorneys' fees) without
prejudice to or waiver by the Employer of its rights and remedies against
Executive.  In the event that there is a final judgment entered against
Executive in any such litigation, and Employer's Board of Directors determines
that Executive should, in accordance with its charter, By-Laws, or insurance
reimburse the Employer, Executive shall be liable to Employer for all such costs
and expenses paid or incurred by it in the defense of any such litigation (the
"Reimbursement Amount").  The Reimbursement Amount shall be paid by Executive
within thirty (30) days after rendition of the final judgment.  The Employer
shall be entitled to set off the reimbursement amount against all sums which may
be owed or payable by the Employer to Executive hereunder or otherwise.  The
parties shall cooperate in the defense of any asserted claim, demand or
liability against Executive or the Employer or its subsidiaries or affiliates.
The term "final judgment" as used herein shall be defined to mean the decision
of a court of competent jurisdiction, and in the event of an appeal, then the
decision of the appellate court, 
<PAGE>
 
after petition for rehearing has been denied, or the time for filing the same
(or the filing of further appeal) has expired.

     The rights to indemnification under this Paragraph 10 shall be in addition
to any rights which Executive may now or hereafter have under the charter or by-
laws of the Employer or any of its affiliates, under any insurance contract
maintained by the Employer or any of its affiliates or any agreement between
Executive and the Employer or any of its affiliates.

     11.  Payment in the Event of Death.  Upon the death of the Executive
          -----------------------------                                    
prior to a termination, any payment due and owing by the Employer to Executive
under this Agreement shall be made to such beneficiary as Executive may
designate in writing, or failing such designation, the executor of his estate.
Upon the death of the Executive after a termination has occurred, then the
beneficiary designated by the Executive or, if no beneficiary has been
designated, his executor shall be entitled to a lump sum death benefit equal to
the present value of the payments that were remaining to be paid under Paragraph
6(a) as of the date of death.  Such lump sum present value payment shall be
determined using an interest rate per annum equal to the prime rate of interest
as published in The Wall Street Journal (Midwest Edition) on the first business
                -----------------------                                        
day of the month in which the Executive's death occurred and shall be paid
within 30 days of the date of death.  Such payments shall be in addition to the
amount of the bonus payment, if any, which may thereafter be due under Paragraph
6(b), any other death benefits provided by the Employer or under any plan,
program or arrangement maintained by the Employer.

     12.  Notices.  Any notices, requests, demands and other communications
          -------                                             
provided for by this Agreement shall be sufficient if in writing and if sent by
registered or certified mail to the Executive at the last address he has filed
in writing the Employer or, in the case of the Employer, at its principal
executive offices.

     13.  Non-Alienation.  The Executive shall not have any right to pledge,
          --------------                                              
hypothecate, anticipate or in any way create a lien upon any amounts provided
under this Agreement; and no benefits payable hereunder shall be assignable in
anticipation of payment either by voluntary or involuntary acts, or by operation
of law, except by will or the laws of descent and distribution.

     14.  Governing Law.  The provisions of this Agreement shall be construed
          -------------                                              
in accordance with the laws of the State of Illinois.

     15.  Amendment.  This Agreement may be amended or canceled by mutual
          ---------                                                        
agreement of the parties in writing (which, with respect to the Employer in the
case of an amendment prior to the Effective Date of the Agreement, shall have
been approved by resolution of a majority of the non-employee members of the
Board of Directors of the Employer) without the consent of any other person and,
so long as the Executive lives, no person, other than the parties hereto, shall
have any rights under or interest in this Agreement or the subject matter
hereof.

     16.  Binding Effect; Successors.  Except as otherwise provided herein,
          --------------------------                                 
this Agreement shall be binding upon and inure to the benefit of the Employer
and any successor of the Employer and to the benefit of Executive's executors,
administrators, legal 
<PAGE>
 
representatives, heirs and legatees. The Employer shall require any successor or
assignee, whether direct or indirect, by purchase, merger, consolidation or
otherwise, expressly and unconditionally to assume and agree to perform the
Employer's obligations under this Agreement, whereupon such successor or
assignee shall become the Employer hereunder.

     17.  Severability.  In the event that any provision or portion of
          ------------                                                  
this Agreement shall be determined to be invalid or unenforceable for any
reason, the remaining provisions of this Agreement shall be unaffected thereby
and shall remain in full force and effect.


          IN WITNESS WHEREOF, the Executive has hereunto set his hand and,
pursuant to the authorization from its Board of Directors, the Employer has
caused this Agreement to be executed in its name on its behalf, and its
corporate seal to be hereunto affixed and attested by its Secretary, all as of
the day and year first above written.


                         ________________________________
                         Executive

                         FIRST OAK BROOK BANCSHARES, INC.,
                         a Delaware Corporation

                         By:_____________________________
                         Its:____________________________
ATTEST:


____________________ 
Secretary


                                                            

<PAGE>
 
                                                                 EXHIBIT (10.10)

                       TRANSITIONAL EMPLOYMENT AGREEMENT
                             (SENIOR OFFICER GROUP)
                             ----------------------



     This Agreement is made as of the 26th day of January, 1999, by and between
First Oak Brook Bancshares, Inc., a Delaware corporation (the "Employer") and
the undersigned executive officer (the "Executive").

                              W I T N E S S E T H:

     WHEREAS, the Executive has been employed for some years past by the
Employer and/or one or more of its subsidiaries; and

     WHEREAS, the Employer wishes to assure both itself and the Executive of
continuity of management in the event of any actual Change in Control (as
defined in Paragraph 2) of the Employer on the terms and conditions set forth
herein; and

     WHEREAS, the Executive desires to provide such services and continuity; and

     WHEREAS, to achieve this purpose, the Board of Directors of the Employer
considered and approved this Agreement to be entered into with the Executive as
being in the best interests of the Employer and its stockholders;

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

     1.   Term  This Agreement shall become effective upon the occurrence of
          ----                                                              
a Change in Control (as defined in Paragraph 2, below) (hereinafter called the
"Effective Date of this Agreement") and shall remain in effect for a term
continuing until the end of the thirty-sixth (36th) calendar month following the
month in which the Effective Date of this Agreement occurs; provided, however,
that, anything in this Agreement to the contrary notwithstanding, if a Change in
Control occurs and if the Executive's employment with the Employer was
terminated within six (6) months prior to the date on which the Change in
Control occurs, and if it is reasonably demonstrated by the Executive that such
termination of employment (a) was at the request of a third party who was taking
steps reasonably calculated to effect a Change in Control or (b) otherwise arose
in connection with or anticipation of a Change in Control, then for all purposes
of this Agreement the "Effective Date of this Agreement" shall mean the date
immediately prior to the date of such termination of employment.  
<PAGE>
 
     2.   Change in Control. For the purposes of this Agreement, a "Change in
          -----------------
Control" shall be deemed to have occurred if:

          (a)  Any "person" is or becomes the "beneficial owner" directly or
               indirectly of securities of the Employer representing more than
               fifty percent (50%) of the combined voting power of the
               Employer's then outstanding securities entitled to vote generally
               in the election of directors (the "Voting Stock"); or

          (b)  Continuing Directors cease for any reason to constitute at least
               a majority of the entire Board of Directors of the Employer; or

          (c)  The consummation of a business combination involving the Employer
               (or any direct or indirect subsidiary of the Employer) occurs,
               unless after such a business combination (i) the shareholders of
               the Employer immediately prior to the business combination
               continue to own, directly or indirectly, more than fifty percent
               (50%) of the combined voting power of the then outstanding voting
               securities entitled to vote generally in the election of
               directors of the new (or continuing) entity immediately after the
               business combination, and (ii) at least a majority of the members
               of the board of directors of the entity resulting from the
               business combination were Continuing Directors at the time of the
               execution of the initial agreement, or of the action of the
               Board, providing for such business combination; or

          (d)  A complete liquidation or dissolution of the Employer or
               consummation of the sale or other disposition of all or
               substantially all of the assets of the Company.

For purposes of foregoing, "person" and "beneficial owner" shall be as defined
in Sections 13(d) and 14(d) of the Securities Exchange Act of 1934, as amended,
and the regulations thereunder.  A Change in Control shall not be deemed to have
occurred under subparagraph (a) above, if the beneficial owner is a corporation
owned directly or indirectly by the shareholders of the Employer in
substantially the same proportions as their ownership of the Voting Stock, an
employee benefit plan of the Employer or any subsidiary of the Employer, or any
person who, as of January 26, 1999, is the beneficial owner of more than fifty
percent (50%) of the Voting Stock.  For purposes of subparagraph (b), an
individual will be a "Continuing Director" if he or she is a director of the
Employer on January 26, 1999, or becomes a director of the Employer thereafter,
provided the individual was elected, or was nominated for an election to occur
at a meeting of stockholders, by a majority of the Continuing Directors still in
office; provided, however, that in no event shall an individual be considered a
Continuing Director if the individual was designated for election or nomination
by a person who has entered into an agreement with the Employer to effect an
acquisition described in subparagraph (a) or a business combination described in
subparagraph (c).  For purposes of subparagraph (c), a business combination
shall mean a merger or consolidation, or an issuance of securities by the
Employer in connection with a merger or consolidation, involving the Employer
(or any direct or indirect subsidiary of the Employer).
<PAGE>
 
     3.   Employment.  The Employer hereby agrees to continue or to cause one of
          ----------                                                            
its affiliates to continue the Executive in its employ for a period of thirty-
six (36) months commencing on the Effective Date of this Agreement (the
"Employment Period") with title, duties and responsibilities comparable to those
of the Employer's or Oak Brook Bank's senior bank officers immediately prior to
the Effective Date of this Agreement, as the same may from time to time be
assigned or reassigned to the Executive by the Board of Directors of the
Employer or such affiliate which employs Executive.

     4.   Compensation, Compensation Plans, Benefits and Perquisites. During the
          ----------------------------------------------------------    
Employment Period, the Executive shall:

          (a)  Receive an annual salary at a rate which is not less than his
               rate of annual salary immediately prior to the Effective Date of
               this Agreement, with the opportunity for increases from time to
               time thereafter which are in accordance with the regular
               practices of the Employer or its affiliates (which for purposes
               of this Agreement, shall mean any corporation or enterprise
               which, as of a given date, is a member of the same controlled
               group of corporations, the same group of trades or businesses
               under common control or the same affiliated service group,
               determined in accordance with Section 414(b), (c), (m) or (o) of
               the Code (as defined in Paragraph 8(a) hereof), as is the
               Employer) with respect to executives with comparable duties;

          (b)  Be eligible to participate on a comparable basis, in each
               calendar year during which the Employment Period runs, in an
               annual bonus program maintained by the Employer or its affiliates
               in which executives with comparable duties are eligible to
               participate, provided that the annual bonus payable thereunder
               shall not be less than the average annual bonus accrued for the
               Executive during the three calendar years immediately preceding
               the Effective Date of this Agreement;

          (c)  Be eligible to participate on a comparable basis in the stock
               option or other equity incentive plans and any other bonus
               incentive compensation plans maintained from time to time by the
               Employer or its affiliates during the Employment Period and in
               which executives with comparable duties are eligible to
               participate;

          (d)  Be entitled to participate (i) in any group or executive medical,
               dental, disability, life insurance, retirement, profit sharing,
               thrift and other plans and programs, including nonqualified and
               deferred compensation plans and programs, maintained from time to
               time by the Employer or its affiliates during the Employment
               Period and in which executives with comparable duties are
               eligible to participate and (ii) in the Executive Medical Plan,
               split-dollar and other special life insurance arrangements, to
               the same extent the Executive participated in such benefits
               before the Effective Date of the Agreement; and
<PAGE>
 
          (e)  Be entitled to receive vacation and perquisites which are
               provided by the Employer or its affiliates from time to time
               during the Employment Period to executives with comparable
               duties, but in no event less favorable than the vacation and
               perquisites to which he was entitled immediately prior to the
               Effective Date of this Agreement (including, but not limited to,
               company car and allowances, club memberships and dues,
               subscriptions and travel).

     5.   Termination During Employment Period.
          ------------------------------------ 

          (a)  For purposes of this Agreement, the term "termination" shall mean
               (i) termination by the Employer of the employment of the
               Executive with the Employer and all of its affiliates for any
               reason other than death, disability or "cause" (as defined
               below), or (ii) resignation of the Executive for "constructive
               discharge" (as defined below).

          (b)  The term "constructive discharge" shall mean the Executive's
               resignation from the Employer and all of its affiliates upon any
               one of the following:

               (i)   the failure of the Employer to pay or provide the
                     compensation, benefits and perquisites contemplated by
                     Paragraph 4, other than an isolated, insubstantial and
                     inadvertent failure not taken in bad faith and which is
                     remedied by the Employer promptly after receipt of notice
                     thereof given by Executive;

               (ii)  there shall have occurred a material diminution in the
                     Executive's duties and responsibilities from those in
                     effect prior to the Effective Date of this Agreement, other
                     than an isolated, insubstantial and inadvertent failure not
                     taken in bad faith and which is remedied by the Employer
                     promptly after receipt of notice thereof given by
                     Executive;

               (iii) the Employer changes the Executive's (A) primary employment
                     location to a place that is more than 35 miles from
                     Executive's primary employment location as of the Effective
                     Date of the Agreement and/or (B) regularly scheduled work
                     hours significantly from such hours as of the Effective
                     Date of the Agreement; and/or

               (iv)  at any time for any reason prior to the first anniversary
                     of the Effective Date of the Agreement provided that at the
                     time of such resignation the employment of Richard M.
                     Rieser, Jr. with the Employer and all affiliates has
                     terminated or there has been an announcement by the
                     Employer or Mr. Rieser that such termination will occur
                     prior to the 18-month anniversary of Effective Date of the
                     Agreement.

          (c)  The term "cause" means (i) felony conviction resulting from an
               act or acts of dishonesty or breach of trust, other than a felony
               predicated upon the 
<PAGE>
 
               Executive's vicarious liability or (ii) the Executive's continued
               and willful failure to substantially perform his duties under
               this Agreement. For purposes of this paragraph, no act or failure
               to act on the Executive's part will be considered "willful"
               unless done, or omitted to be done, by him not in good faith and
               without reasonable belief that his action or omission was in the
               interests of the Employer and its affiliates or not opposed to
               the interests of the Employer and its affiliates.

     6.   Confidentiality.  The Executive agrees that during and after the
          ---------------                                                   
Employment Period, he shall retain in confidence any confidential information
known to him concerning the Employer and its affiliates and their respective
businesses for as long as such information is not publicly disclosed.

     7.   Termination Benefits.  In the event of a termination of the
          --------------------                                         
Executive during the Employment Period, the Employer shall provide or shall
cause one or more of its affiliates to provide, and the Executive shall, upon
execution of a Release and Severance Agreement in the form attached hereto as
Appendix A, shall be entitled to receive the following:

          (a)  The Executive shall, notwithstanding such termination, be
               entitled to continue to receive salary payments for thirty-six
               (36) months from the date of termination (which thirty-six month
               period shall be treated hereunder as a continuation of Employment
               Period) based on the rate of annual salary equal to the average
               annual salary received by the Executive during the five calendar
               years immediately preceding the calendar year in which the
               Effective Date of this Agreement occurs (the "Averaging Period"),
               provided that the payments pursuant to this Paragraph 7(a) shall
               be subject to reduction in accordance with Paragraph 8(a).

          (b)  The Executive shall receive a bonus payment with respect to each
               calendar year ending within such thirty-six month period equal to
               the average annual bonus payments received by the Executive
               during the Averaging Period. The bonus payment for each calendar
               year shall be made within 30 days of the end of the calendar year
               to which such bonus relates. The bonus payments described in this
               Paragraph 7(b) shall be subject to reduction in accordance with
               Paragraph 8(a).

          (c)  Payment of all accrued but deferred bonuses as of the Effective
               Date of this Agreement, or if later, the date of termination,
               which payments shall be made in installments on such dates and in
               such amounts as such bonuses would have been paid notwithstanding
               such termination.

          (d)  The Executive (and, if applicable, Executive's dependents) shall
               be entitled to maintain group medical and dental coverage under
               the continuation coverage provisions of such plans ("COBRA
               Coverage"), which entitlement shall, notwithstanding any other
               provisions of the group plan to the contrary, be subject to
               termination only in the event of the failure of the Executive or
               the dependent to timely pay the appropriate premium for such
               coverage, provided, that the Employer shall pay on behalf of the
               Executive
<PAGE>
 
               (and, if applicable, the Executive's dependents) the appropriate
               premium for the first 36 months of such coverage, and, provided
               further that such coverage shall be secondary to any group
               coverage (including Medicare or any government-sponsored or
               mandated program) subsequently obtained or covering the Executive
               or dependent.

          (e)  From and after the date of a termination until full satisfaction
               of the obligations of the Employer hereunder and under the plans,
               programs and arrangements referred to herein and under any other
               agreement with respect to which Employer may be obligated to make
               post-employment payments to the Executive, the Employer shall
               maintain a grantor trust in form and substance reasonably
               acceptable to Executive to assist the Employer in the discharge
               of its obligations hereunder and under any other nonqualified,
               deferred compensation plan maintained by the Employer under which
               Executive has an interest. The Employer shall deposit assets and
               make contributions into the grantor trust in amounts necessary to
               maintain the assets of the grantor trust at a level equal to the
               present value of the obligations of the Employer to the Executive
               under this Agreement and any such plans, programs or
               arrangements. Such amounts due shall be paid from the grantor
               trust or by the Employer directly, in which case the Employer
               shall be entitled to reimbursement form the grantor trust.

     8.   Reduction of Payments Due to Excise Tax.
          ---------------------------------------   

          (a)  If it is determined (in the reasonable opinion of independent
               public accountants then regularly retained by the Employer in
               consultation with tax counsel acceptable to Executive), that any
               amount payable to Executive by the Employer under this Agreement
               or any other plan, program or arrangement under which Executive
               participates or is a party would constitute an "excess parachute
               payment" within the meaning of Section 280G of the Internal
               Revenue Code of 1986, as amended from time to time (the "Code"),
               subject to the excise tax imposed by Section 4999 of the Code, as
               amended from time to time (the "Excise Tax"), then the amounts
               payable to the Executive shall be reduced to the extent necessary
               so that no portion of such amounts payable to the Executive is
               subject to the Excise Tax. The determination of the amount of
               reduction, if any, in the amounts payable to the Executive under
               Paragraphs 7(a) and 7(b) under Paragraphs 7(a) and 7(b) shall be
               made in good faith by the Employer's Compensation Committee after
               consultation with the independent public accountants then
               regularly retained by the Employer and tax counsel acceptable to
               the Executive, and a written statement setting forth the
               calculation thereof shall be provided to the Executive. If
               amounts payable to the Executive are to be reduced pursuant to
               this Paragraph 8(a), the Employer's Compensation Committee, after
               consultation with the Executive, shall determine the payments to
               be so reduced.

          (b)  In the event it is determined that the Excise Tax may be imposed
               on the Executive prior to any reductions pursuant to the
               preceding Paragraph 
<PAGE>
 
               8(a), the Employer and the Executive agree to take such actions
               as they may, in good faith, agree to take to avoid any such
               reduction.

          (c)  The Employer shall withhold from any amounts paid under this
               Agreement the amount of any applicable federal, state, or local
               taxes then required to be withheld. Computations under this
               Paragraph 8 shall be made by the independent public accountants
               then regularly retained by the Employer in consultation with tax
               counsel acceptable to Executive. The Employer shall pay all
               accountants' and tax counsel's fees and expenses.

     9.   No Obligation to Mitigate Damages.  The Executive shall not be
          ---------------------------------                               
obligated to seek other employment in mitigation of amounts payable or
arrangements made under the provisions of this Agreement and the obtaining of
any such other employment shall in no event effect any reduction of the
Employer's obligations under this Agreement.

     10.  Enforcement; Arbitration.
          ------------------------   

          (a)  In the event the Employer shall fail to pay any amounts due to
               Executive or any successor under this Agreement or any plan,
               program or arrangement referred to herein as they come due, the
               Employer agrees to pay interest on such amounts at the prime rate
               of interest as from time to time published in The Wall Street
                                                             ---------------    
               Journal (Midwest Edition) plus four percent (4%) per
               -------
               annum until paid.

          (b)  Each of the Employer and the Executive or any successor shall
               have the right and option to elect to have any dispute or
               controversy arising under or in connection with this Agreement,
               or any plan, program or arrangement referred to herein, or any
               breach thereof, settled exclusively by arbitration, conducted
               before an arbitrator in accordance with rules of the American
               Arbitration Association then in effect. Judgment may be entered
               on the award of the arbitrator in any court having jurisdiction.
               Any such arbitration shall be held in Chicago, Illinois.

          (c)  The Employer shall pay all reasonable legal fees, costs of
               litigation, and other reasonable expenses incurred by the
               Executive or any successor who is successful pursuant to legal
               judgment, arbitration or settlement in a challenge resulting from
               the Employer's refusal to pay any amounts due under this
               Agreement or any plan, program or arrangement referred to herein
               to which it is determined that the Executive or successor is
               entitled, or as a result of the Employer's contesting the
               validity, enforceability or interpretation of this Agreement or
               any such plan, program or arrangement.

          (d)  As a condition precedent to the commencement of any action under
               this Agreement or any plan, program or arrangement referred to
               herein, each of the Employer or the Executive or any successor
               agree to provide written notice ("initial notice") at least
               fifteen (15) business days prior to initiating any such action
               wherein such party shall (i) agree to submit such dispute to non-
               binding mediation to be held in Chicago, Illinois at
               JAMS/Endispute (or a similar organization) within 30 days of such
               notice and (ii) indicate 
<PAGE>
 
               whether such party is invoking arbitration pursuant to Paragraph
               10(b) above. The party receiving such notice shall agree to
               submit to such mediation and, if the initial notice did not
               include an election invoking arbitration, then the receiving
               party may by written notice within ten (10) business days
               following receipt of the initial notice elect to invoke
               arbitration pursuant to said Paragraph 10(b).

     11.  Indemnification.  In the event that legal action is instituted against
          ---------------                                                 
Executive during or after the term hereof by a third party (or parties) based on
the performance or nonperformance by Executive of his duties hereunder, the
Employer will assume the defense of such action by its attorney or attorneys
selected by the Employer reasonably satisfactory to the Executive and advance
the costs and expenses thereof (including reasonable attorneys' fees) without
prejudice to or waiver by the Employer of its rights and remedies against
Executive. In the event that there is a final judgment entered against Executive
in any such litigation, and Employer's Board of Directors determines that
Executive should, in accordance with its charter, By-Laws, or insurance
reimburse the Employer, Executive shall be liable to Employer for all such costs
and expenses paid or incurred by it in the defense of any such litigation (the
"Reimbursement Amount"). The Reimbursement Amount shall be paid by Executive
within thirty (30) days after rendition of the final judgment. The Employer
shall be entitled to set off the reimbursement amount against all sums which may
be owed or payable by the Employer to Executive hereunder or otherwise. The
parties shall cooperate in the defense of any asserted claim, demand or
liability against Executive or the Employer or its subsidiaries or affiliates.
The term "final judgment" as used herein shall be defined to mean the decision
of a court of competent jurisdiction, and in the event of an appeal, then the
decision of the appellate court, after petition for rehearing has been denied,
or the time for filing the same (or the filing of further appeal) has expired.

     The rights to indemnification under this Paragraph 11 shall be in addition
to any rights which Executive may now or hereafter have under the charter or by-
laws of the Employer or any of its affiliates, under any insurance contract
maintained by the Employer or any of its affiliates or any agreement between
Executive and the Employer or any of its affiliates.

     12.  Payment in the Event of Death.  Upon the death of the Executive
          -----------------------------                                    
prior to a termination, any payment due and owing by the Employer to Executive
under this Agreement shall be made to such beneficiary as Executive may
designate in writing, or failing such designation, the executor of his estate.
Upon the death of the Executive after a termination has occurred, then the
beneficiary designated by the Executive or, if no beneficiary has been
designated, his executor shall be entitled to a lump sum death benefit equal to
the present value of the payments that were remaining to be paid under Paragraph
7(a) as of the date of death.  Such lump sum present value payment shall be
determined using an interest rate per annum equal to the prime rate of interest
as published in The Wall Street Journal (Midwest Edition) on the first business
                -----------------------                                        
day of the month in which the Executive's death occurred and shall be paid
within 30 days of the date of death.  Such payments shall be in addition to the
amount of the bonus payment, if any, which may thereafter be due under Paragraph
7(b), any other death benefits provided by the Employer or under any plan,
program or arrangement maintained by the Employer.

     13.  Notices.  Any notices, requests, demands and other communications 
          -------
provided for by this Agreement shall be sufficient if in writing and if sent by
registered or certified mail to the 
<PAGE>
 
Executive at the last address he has filed in writing the Employer or, in the
case of the Employer, at its principal executive offices.

     14.  Non-Alienation.  The Executive shall not have any right to pledge,
          --------------                                              
hypothecate, anticipate or in any way create a lien upon any amounts provided
under this Agreement; and no benefits payable hereunder shall be assignable in
anticipation of payment either by voluntary or involuntary acts, or by operation
of law, except by will or the laws of descent and distribution.

     15.  Governing Law.  The provisions of this Agreement shall be construed
          -------------                                              
in accordance with the laws of the State of Illinois.

     16.  Amendment.  This Agreement may be amended or canceled by mutual
          ---------                                                        
agreement of the parties in writing (which, with respect to the Employer in the
case of an amendment prior to the Effective Date of the Agreement, shall have
been approved by resolution of the Board of Directors of the Employer) without
the consent of any other person and, so long as the Executive lives, no person,
other than the parties hereto, shall have any rights under or interest in this
Agreement or the subject matter hereof.

     17.  Binding Effect; Successors.  Except as otherwise provided herein,
          --------------------------                                 
this Agreement shall be binding upon and inure to the benefit of the Employer
and any successor of the Employer and to the benefit of Executive's executors,
administrators, legal representatives, heirs and legatees. The Employer shall
require any successor or assignee, whether direct or indirect, by purchase,
merger, consolidation or otherwise, expressly and unconditionally to assume and
agree to perform the Employer's obligations under this Agreement, whereupon such
successor or assignee shall become the Employer hereunder.

     18.  Severability.  In the event that any provision or portion of this
          ------------                                                  
Agreement shall be determined to be invalid or unenforceable for any reason, the
remaining provisions of this Agreement shall be unaffected thereby and shall
remain in full force and effect.

          IN WITNESS WHEREOF, the Executive has hereunto set his hand and,
pursuant to the authorization from its Board of Directors, the Employer has
caused this Agreement to be executed in its name on its behalf by the
undersigned officers, duly authorized, all as of the day and year first above
written.


                         ___________________________________
 
                         Executive                             


                         FIRST OAK BROOK BANCSHARES, INC.,
                         a Delaware Corporation

                         By:________________________________
                         Its: President

ATTEST:

 
_______________________
Secretary


  
<PAGE>
 
     APPENDIX A
     
                        RELEASE AND SEVERANCE AGREEMENT
                        -------------------------------

     THIS RELEASE AND SEVERANCE AGREEMENT is made and entered into this ____ day
of _______________, _____ by and between First Oak Brook Bancshares, Inc., its
subsidiaries and affiliates (collectively "FOBB") and
_____________________________ (hereinafter "EMPLOYEE").

     EMPLOYEE'S employment with FOBB terminated on ______________, ______; and
EMPLOYEE has voluntarily agreed to the terms of this RELEASE AND SEVERANCE
AGREEMENT in exchange for Termination Benefits under the Transitional Employment
Agreement ("Transitional Agreement") to which EMPLOYEE otherwise would not be
entitled.

     NOW THEREFORE, in consideration for Termination Benefits provided under the
Transitional Agreement, EMPLOYEE on behalf of himself and his spouse, heirs,
executors, administrators, children, and assigns does hereby fully release and
discharge FOBB, its officers, directors, employees, agents, subsidiaries and
divisions, benefit plans and their administrators, fiduciaries and insurers,
successors, and assigns from any and all claims or demands for wages, back pay,
front pay, attorney's fees and other sums of money, insurance, benefits,
contracts, controversies, agreements, promises, damages, costs, actions or
causes of action and liabilities of any kind or character whatsoever, whether
known or unknown, from the beginning of time to the date of these presents,
relating to his employment or termination of employment from FOBB, including but
not limited to any claims, actions or causes of action arising under the
statutory, common law or other rules, orders or regulations of the United States
or any State or political subdivision thereof including the Age Discrimination
in Employment Act and the Older Workers Benefit Protection Act.

     EMPLOYEE acknowledges that EMPLOYEE'S obligations pursuant to Paragraph 6
of the Transitional Agreement relating to the use or disclosure of confidential
information shall continue to apply to EMPLOYEE.

     This Release and Settlement Agreement supersedes any and all other
agreements between EMPLOYEE and FOBB except agreements relating to proprietary
or confidential information belonging to FOBB, and any other agreements,
promises or representations relating to severance pay or other terms and
conditions of employment are null and void.

     This release does not affect EMPLOYEE'S right to any benefits to which
EMPLOYEE may be entitled under any employee benefit plan, program or arrangement
sponsored by FOBB, including but not limited to the Transitional Agreement and
the plans, programs and arrangements referred to therein.

     EMPLOYEE and FOBB acknowledge that it is their mutual intent that the Age
Discrimination in Employment Act waiver contained herein fully comply with the
Older Workers Benefit Protection Act. Accordingly, EMPLOYEE acknowledges and
agrees that:
<PAGE>
 
          (a)  The Termination Benefits exceed the nature and scope of that to
               which he would otherwise have been legally entitled to receive.

          (b)  Execution of this Agreement and the Age Discrimination in
               Employment Act waiver herein is his knowing and voluntary act;

          (c)  He has been advised by FOBB to consult with his personal attorney
               regarding the terms of this Agreement, including the
               aforementioned waiver;

          (d)  He has had at least forty-five (45) calendar days within which to
               consider this Agreement;

          (e)  He has the right to revoke this Agreement in full within seven
               (7) calendar days of execution and that none of the terms and
               provisions of this Agreement shall become effective or be
               enforceable until such revocation period has expired;

          (f)  He has been informed in writing of (i) the eligibility factors
               under the Plan, (ii) the group of employees, including the job
               title and age of each, eligible to receive Termination Benefits,
               (iii) the ages of all individuals in the same job classification
               or organizational unit who are not eligible to receive
               Termination Benefits, and (iv) any time limit applicable to the
               Plan;

          (g)  He has read and fully understands the terms of this agreement;
               and

          (h)  Nothing contained in this Agreement purports to release any of
               EMPLOYEE's rights or claims under the Age Discrimination in
               Employment Act that may arise after the date of execution.

     IN WITNESS WHEREOF, the parties have executed this Agreement on the date
indicated above.

FIRST OAK BROOK BANCSHARES, INC.,       EMPLOYEE
for itself and
its Subsidiaries and Affiliates

By:__________________________           _______________________

Its:_________________________

<PAGE>
 
 
First Oak Brook Bancshares, Inc. Corporate Profile
 
- --------------------------------------------------------------------------------
Our Business
First Oak Brook Bancshares, Inc. is the 11th largest, independent, publicly-held
bank holding company headquartered in Illinois. Organized in 1983 and publicly-
traded since 1985, its primary business is the ownership and control of Oak
Brook Bank, an Illinois-chartered commercial bank. The Company employs 293 full-
time equivalent employees.
 
Oak Brook Bank offers full-service banking, investment management and trust, and
related financial services through a network of 11 offices in suburban Chi-
cagoland.
 
Our Markets
The Company is headquartered and its largest banking office is located in Oak
Brook, Illinois, twenty miles west of downtown Chicago. Ten of its offices are
located in the western suburbs of Chicago, nine of which are in DuPage County.
DuPage, the second largest county in Illinois, has a population of approxi-
mately 870,000 and enjoys the second highest median family income in the state.
Its other office is located on Chicago's affluent North Shore. The Company mar-
kets its products and services through regional advertising.
- -------------------------------------------------------------------------------
Table of Contents
<TABLE> 
<S> <C>                                 <C><C>    
 1  Financial Highlights                 32 Consolidated Financial Statements__
 2  Message to Shareholders________      36 Notes to Consolidated Financial
14  Management Discussion and Analysis_     Statements______________________
31  Report of Independent Auditors_____  49 Corporate and Shareholder Informa-
                                           tion____________________________
</TABLE> 
- -------------------------------------------------------------------------------
 
 
 
This annual report to shareholders contains certain forward looking statements
consisting of estimates with respect to the financial condition, results of op-
erations and business of the Company that are subject to various factors which
could cause actual results to differ from these estimates. These factors in-
clude, but are not limited to, changes in: general economic conditions, inter-
est rates, legislative or regulatory changes, stock market performance, year
2000 issues, loan demand and depositor preferences. These risks and
uncertainties should be considered in evaluating forward-looking statements.
 
                                                First Oak Brook Bancshares, Inc.
<PAGE>
 
 
Financial Highlights
 
- --------------------------------------------------------------------------------
<TABLE>
<CAPTION>
                              At and for the year ended
(Dollars in thousands                      December 31,
except per share amounts)        1998      1997      1996
- ----------------------------------------------------------
<S>                        <C>         <C>       <C>
Net Income
 Net income                $    9,441  $ 13,753  $  7,107
 Net income before
  special items/1/         $    9,441  $  8,670  $  7,107
Performance Ratios
 Return on average assets        1.02%     1.76%      .97%
 Return on average equity       12.74%    21.72%    12.77%
Per Share
 Basic earnings per share  $     1.42  $   2.09  $   1.06
 Diluted earnings per
  share                          1.39      2.03      1.03
 Book value at year-end         11.46     10.38      8.62
 Market price at year-end       18.50     24.00     11.63
 Cash dividends paid
  Class A common                 .345      .270      .190
  Common                         .288      .222      .158
Balance Sheet Highlights
 Total assets              $1,009,275  $816,144  $768,655
 Loans, net of unearned
  discount                    631,987   447,332   420,164
 Demand deposits              187,209   153,806   147,497
 Total deposits               777,802   627,763   648,303
 Shareholders' equity          77,061    71,661    59,553
</TABLE>
 
- --------------------------------------------------------------------------------
/1/Represents net income before the net gain on the credit card portfolio sale
   on June 30, 1997
 
 
Stock Performance and Dividend Information
 
- --------------------------------------------------------------------------------
<TABLE>
<CAPTION>
                                        Per Share
                       -----------------------------------------------
                    Diluted Dividends Paid                  Class A/1/
                        Net --------------   Book --------------------
                     Income Class A Common  Value Low Price High Price
- ----------------------------------------------------------------------
<S>                 <C>     <C>     <C>    <C>    <C>       <C>
Quarter Ended
 December 31, 1998    $ .40   $.090  $.075 $11.46    $17.75     $20.25
 September 30, 1998     .37    .090   .075  11.26     19.75      22.56
 June 30, 1998          .32    .090   .075  10.78     22.44      25.50
 March 31, 1998         .30    .075   .063  10.69     20.75      25.44
 
 December 31, 1997      .32    .075   .063  10.38     17.69      25.19
 September 30, 1997     .33    .065   .053  10.14     15.38      17.38
 June 30, 1997         1.06    .065   .053   9.69     12.38      16.38
 March 31, 1997         .32    .065   .053   8.66     11.38      12.94
- ----------------------------------------------------------------------
</TABLE>

/1/The prices shown represent the high and low closing sales price for the
quarter.

                                                                               1
First Oak Brook Bancshares, Inc.
<PAGE>
 
 
To Our Shareholders
 
- -------------------------------------------------------------------------------
  It's hard to believe we passed the $1 billion asset mark. This accomplish-
ment is astounding to those of us who remember the day twenty five years ago
when we acquired the $11 million asset Heritage Bank of Addison. That was the
launching pad for First Oak Brook Bancshares, Inc., which has become one of
the largest independent, publicly-traded bank holding companies headquartered
in Illinois.
 
                               Our Humble Start
 
  Since many of our customers and investors know little about our history,
perhaps we should explain how we started. In 1974, Gene Heytow, Rick Rieser,
Marcel Lutwak and a group of Chicago area investors, who together already con-
trolled Amalgamated Bank in downtown Chicago and the Metropolitan Bank on
Chicago's southwest side, bought 51% of the Heritage Bank of Addison.
 
  When we acquired it, Heritage was saddled with a number of loans to borrow-
ers who were hard pressed to stay current when interest rates spiked to 12%.
Rick Rieser, then our President and a banking lawyer by training, headed our
work-out efforts. Before long, unsecured loans got secured, undersecured loans
became well-secured, and payment programs were structured. Through active in-
tervention, write-offs were minimized.
 
                                    Evicted
 
  Rick's aggressive collection efforts were not uniformally productive. For
example, one borrower who had ceased making payments on a commercial loan also
happened to be the Bank's landlord. Rick offset the rent due against the loan
payments, ignoring a basic principle of real estate law that there can be no
setoffs against rent. Shortly, the Bank received a 5 day eviction notice,
leaving Heritage no place to operate.
 
  Rick will never forget the Friday night phone call he had to make to his
partners to break the news. Instead of a justly deserved rebuke, Rick got to-
tal support and an introduction to one of the best litigators in Chicago, Don
Reuben of Kirkland & Ellis. In a few weeks, we had a deal to buy the bank
building from the debtor and for him to retire his loan from the proceeds.
While the purchase price looked a little rich at the time, within a few years,
given the inflation of the late 1970's, the sow's ear turned into a silk
purse.
 
                          The Original Oak Brook Bank
 
  Just two years later in 1976, our group's reputation as clean-up experts
earned us an invitation to meet with the key shareholders of the $53 million
asset Oak Brook Bank. This was the largest and oldest of three banks serving
that rapidly growing, upscale western suburban community. Oak Brook was then
the 13th largest corporate headquarters city in America, ranking ahead of
Philadelphia. Over 150 of the Fortune 1000 maintained an account with us.
 
  But Oak Brook Bank had become a victim of its own success. The faster depos-
its flowed in, the more pressure the bank felt to put out loans. Unfortunate-
ly, its commercial lending practices had failed to keep up with its corporate
cash management prowess. One pundit said you could get money more easily from
Oak Brook Bank with a pen than with a gun. The Heytow group recapitalized the
bank and

<TABLE> 
          <S>                             <C>                          <C>                          <C> 
                   1974                         1976                        1977                         1983
          Founding family bought          Oak Brook Bank was           First National Bank            First Oak
          Heritage Bank of Addison.       acquired.($53 million        of Oak Brook was acquired    Bancshares was formed
             ($11 million in assets)      in assets)                   ($27 million in assets)       with 3 subsidiary banks
                                                                                                    and $177 million in assets.
</TABLE> 

2
                                               First Oak Brook Bancshares, Inc.
<PAGE>
 
 
 
- -------------------------------------------------------------------------------
installed a new senior management team led by Charlie Morris. With a $4 million
capital infusion and work-out skills honed previously in Addison, the bank
returned to profitability within a few months. The rescue went so smoothly the
bank lost only two large customers in the process.
 
                              Our Secret Formula
  By this time, we had developed three guiding principles. First, guard our
reputation for prudence and diligence. That reputation had earned us both the
opportunity to acquire Heritage and Oak Brook and the access to capital--with
out capital, the opportunity alone would have been meaningless. George Baker and
Ken Chalmers at Continental Bank and John Ballantine at First National Bank
financed us in large part because of their confidence in our banking skills. We
were determined never to do anything which could compromise that faith.
 
  Second, make loans carefully. We learned that careless lending sacrificed
valuable time which could be spent better caring for our good customers and
developing new ones. Worse, losses in a low margin business like banking could
rarely be recouped. We learned to accept somewhat lower returns if they came
with less than average risk. After all, it was our money.
 
  Third, build a downtown bank in the suburbs--a bank offering the commercial
services of a money center bank and the personal attention of a community
bank. We realized this would be a costly undertaking--both in attracting and
retaining first-rate bankers and investing in products and systems comparable
to the Loop banks. Nevertheless, we believed that if we strove for this goal,
we surely would be a long-term survivor.
 
                      Founding First Oak Brook Bancshares
  Only a year after acquiring Oak Brook Bank, another opportunity arose which we
couldn't pass up. In 1977, Illinois was still a unit-banking state; this meant
every bank was separately chartered and branches were severely restricted. In
short, local charters were geographically protected from intrusion by non-local
banks. And Oak Brook, home to many businesses and over 21,000 workers daily, had
only three charters--ours at Oak Brook Bank, First National Bank of Oak Brook
across the street in the McDonald's world headquarters, and First Security Bank
(later acquired by Northern Trust). Through a mutual friend, we met Frank Paris,
a minority First National shareholder and founder of Paris, O'Day & Reed, a
successful, specialized insurance broker in Oak Park (which he later sold to
Alexander & Alexander). He told us that First National's board was squabbling;
there were nine directors and seven factions. He believed he could acquire a
controlling interest in First National, but he wanted partners like us with
experience in turning around difficult banking situations. We jumped at the
chance to obtain the second best franchise in one of the best banking markets in
the country. DuPage County was among the top 10 counties in America in growth
and income, and Oak Brook was the corporate vortex of this expanding, affluent
market. Trouble was, the anti-trust laws banned ownership of a national bank and
any other bank in the same community. However, the Regional Director of the
Office of Comptroller of the Currency was deeply troubled by the unresponsive
management at First National. He told our group we could proceed and manage
First National through a consulting agreement. With Frank's efforts, we acquired
control of First National. Frank Paris still serves as our Vice-Chairman, in
addition to his duties as Mayor of River Forest, Illinois.

<TABLE> 
       <S>                              <C>                       <C>                           <C> 
                   1983                          1984                     1985                     1985
            First Oak Brook               First Oak Brook           First Oak Brook             Lisle Office opened
         Bancshares acquired            Bancshares reached $213   Bancshares went public.        First Oak Brook
       Warrenville Bank & Trust           million in assets.                                     Bancshares had
         ($13 million in assets)                                                                $252 million in assets.
</TABLE> 

                                                                               3
First Oak Brook Bancshares, Inc.
<PAGE>
 
 
To Our Shareholders
 
- -------------------------------------------------------------------------------
[CHART APPEARS HERE]
 
  Shortly thereafter, we combined the back offices of our two banks in Oak
Brook--one of the first consolidation efforts of this kind in Illinois. We
also brought George Clam, a young MBA from Northwestern, from Amalgamated Bank
into the $27 million asset First National as its new President. George, of
course, currently serves as President of Oak Brook Bank.
 In 1983, the face of Illinois banking changed forever. After years of lobby
  ing, financial institution reform arrived. Illinois banks in existence five
  years or more would be permitted to combine into bank holding companies. For
  us, this meant our three banks could unite, forming a single $177 million as
  set entity with earnings of $1.5 million annually. Combining all our resources
  allowed us a sufficient earnings base to permit rational expansion.
  Just after merging the banks into privately-held First Oak Brook Bancshares,
  Inc, a newly created Delaware multi-bank holding company, we acquired Warren
  ville Bank & Trust Co., the second smallest and second oldest banking charter
  in DuPage. The $13 million asset Warrenville Bank gave us a foothold in the
  less-developed western part of the county, just north of Naperville. For the
  first time, we were able to complete an acquisition corporately, instead of
  having to raise capital through individual investors--another benefit of hold
  ing company status.
 
                           Scoping Out the Game Plan
 But without doubt, the biggest benefit of holding company status was the op
  portunity to plan strategically. As we surveyed the DuPage landscape, we iden
  tified much that had changed and much that we correctly predicted was likely
  to change. Illinois banks' historical monopolies were giving way to deregula
  tion. The geographic monopoly was receding as branch laws liberalized, permit
  ting us to compete more fairly with thrifts, which already had unlimited
  branching privileges. Federal interest rate protection under Regulation Q
  which put ceilings on interest rates payable on consumer CD's and savings ac
  counts--gave way when unregulated money market mutual funds started combining
  small consumer deposits into negotiated rate CD's. And product protections
  were eroding as banks, prohibited from paying interest on checking accounts,
  faced competition from thrifts, which were permitted to issue consumers inter
  est-bearing Negotiable Orders of Withdrawal (NOWs)--really nothing more than
  interest bearing checking accounts. The ban on corporations having savings ac
  counts was loosened. Bank-sponsored money market funds were introduced. In
  short, the clear distinctions between products offered by banks, thrifts,
  credit unions, brokers, and insurance companies were rapidly disappearing.
 
  In this less regulated banking climate, the chance to map our future became
more than appealing; it became necessary. As early entrants into the cash man-
agement business--selling lockbox services, controlled disbursements, invest-
ment sweep accounts and cashiering--we were successfully competing for na-
tional corporate business. Companies like McDonald's, UPS, AMOCO, Sandoz,
Nalco, Bunker-Ramo, and ABC had relationships with us. Despite our modest
size, we had a national calling program, targeting Fortune 1000 companies with
a local presence. But, even though we had an exceptional ability to raise low
cost corporate deposits through cash management services, we were having dif-
ficulty attracting quality business loans.
 
  Some of the problem was of our own making. First, our real estate expertise
made us far more at home with commercial real estate loans than other business
loans, and, second, our work-out experience left us with a certain wariness of
commercial lending.

<TABLE> 
     <S>                             <C>                         <C>                          <C>
               1986                           1986                       1987                         1988
     Bensenville Office opened.      Oak brook bank and First      First Oak Brook             Naperville and Burr
         First Oak Brook               National Bank of Oak         Bancshares reached         Ridge Offices opened.
        bancshares reached                Brook combined.        $296 million in assets.          First Oak Brook
      $273 million in assets.                                                                   Bancshares reached
                                                                                              $325 million in assets.
</TABLE> 

4
                                               First Oak Brook Bancshares, Inc.

<PAGE>
 
 
 
- -------------------------------------------------------------------------------
 
  More important, there were few traditional deals backed by hard assets,
close at hand. Oak Brook was home to larger companies too big to borrow from a
small institution like ours and smaller service companies with limited working
capital and equipment financing needs. Further, even the larger companies were
beginning to disintermediate, borrowing through direct placement of commercial
paper, rather than from large banks. Consequently, the giant Loop banks were
beginning to shift their attention to mid-sized and smaller businesses, fur-
ther stiffening competition.
 
  We reasoned DuPage's upscale consumers offered the best target for lending
opportunities. We identified three basic retail credit needs--financing homes,
cars and retail purchases. And for the better part of the past fifteen years,
our Company has sought ways to meet those credit needs.
 
                                 Homes at Last
 
  To some extent, we were already familiar with the home financing business.
Primarily as an accommodation to the executives of companies which banked with
us as well as walk-ins, we always did some mortgage business--typically 5 year
balloon mortgages. These worked well for some DuPage customers, especially
those who, working for national companies, moved a lot. And they worked well
for us because, as medium-term loans, they gave us reasonable liquidity. The
problem was, most people wanted fixed rate 30 year mortgages.
 
                    So we began by creating and promoting two innovative mort-
                  gage
                  products. The first was a "prime rate" mortgage where cus-
                  tomers willing to accept an adjustable rate received a lower
                  rate usually given to business borrowers. It also helped us
                  to match our asset and liability costs. The second was a
                  twenty year mortgage where the rate was fixed for 5 or 7
                  years and thereafter varied periodically as an increment
                  over Treasuries. This latter was so well received, it was
                  rapidly copied by our competitors and has become a staple in
                  the industry.
19907ps logo
 
  As the years have rolled by, we've expanded our home loan business in four
respects: First, we've been a market leader in promoting home equity lines.
Although we weren't big enough to introduce this product to the market, we of-
fered an "improved" version--that is, a home equity line at a lower rate. We
have consistently been the pricing leader, advertising home equity lines on
regional radio. By staking out this position, we have enhanced our pro-con-
sumer image in the minds of many Chicagoans.
 
  Second, by the late 1980's, we began a vertical integration of our home
lending business. We reasoned that if we financed the end product, we also
ought to finance its development and construction. One consequence of the sav-
ings and loan crisis of the 1980's and the real estate recession towards the
end of that decade was that many thrifts and banks retreated from subdivision
financing. This gave us a clear path to a very selective group of local
homebuilders. We have been well-received in this niche market.
 
  Third, we were able to begin selling long term mortgages thanks to the rapid
development of the "secondary" mortgage market. Because most of our funding
sources are shorter-term, we were natu-

<TABLE> 
<CAPTION> 
         1989                      1990                          1991                       1992
- ------------------------------------------------------------------------------------------------------------
<S>                       <C>                         <C>                          <C> 
    First Oak Brook       Glenview Office opened.        Oak Brook Bank moved           First Oak Brook
 Bancshares acquired          First Oak Brook          into new corporate head-        Bancshares reached
   Liberty Bancorp.         Bancshares reached        quarters. First Oak Brook      $514 million in assets.
($50 million in assets)   $451 million in assets.       Bancshares had $460    
 Total assets reached                                    million in assets.
     $409 million.
</TABLE> 

                                                                              5
First Oak Brook Bancshares, Inc.
<PAGE>
 
 
To Our Shareholders
 
- -------------------------------------------------------------------------------
                             [CHART APPEARS HERE]
rally averse to making longer-term home loans, at first. However, over the
last fifteen years, Fannie Mae, Freddie Mac and the Federal Home Loan Banks
have created a ready public market for government guaranteed mortgage debt.
Wholesale mortgage conduits have provided us with an avenue to participate in
this gigantic long-term mortgage market. We now can advertise the availability
of 30 year mortgages and originate and underwrite these loans for resale to
investors--a fee-generating business which complements the medium-term mort-
gages we retain in our own portfolio.
 
  Fourth, analyzing the success of private mortgage companies like Country-
wide, we noted they had developed a distribution system very different from
most banks and thrifts.
 
                 Don't Kill the Cow and Other Valuable Lessons
 
  While our lenders sat behind desks waiting for mortgage customers, these new
competitors sent "mortgage originators" to the homes and offices of prospects.
In effect, we processed and they sold. Our people worked on fixed salary, so
the more business which came through the door, the more ornery our processors
turned. Their originators were on commission, so the more business they gener-
ated, the jollier they became. We combined origination and processing; they
separated them. It was obvious to us that we needed to copy this new paradigm.
And we did.
 
  As a result, there were radical changes throughout our company. Previously,
we had taken pride--some would say hubris--in rarely making a mistake. We were
a pre-eminent processing organization. (Occasionally, we recognized our exag-
gerated emphasis on process. One of our personal bankers regularly bragged to
depositors how thoroughly we investigated their backgrounds before we allowed
them to open accounts. After several potential depositors reacted negatively
to what they perceived as an invasion of privacy--after all, they were lending
us their money, not the other way around--we introduced a course in our train-
ing program called "Don't kill the cow." The message, of course, was, very few
of us would order a steak at a restaurant if the waiter butchered the steer at
our table.)
 
  But now we had learned a very important lesson from the mortgage companies.
To the extent possible, we would separate marketing from processing. Today, we
have four mortgage originators, fourteen commercial bankers, and two invest-
ment management officers devoted exclusively to sales. Twenty-six other offi-
cers--ten business and commercial real estate lenders, eleven branch managers,
and five trust officers--divide their time between sales and service. The
transformation in our culture has been remarkable. Even our processors--in
areas like mortgages, home equities, indirect auto lending, commercial lend-
ing, personal banking and the call center--see their jobs today as sales sup-
port and service. Three former retail bankers, recognizing the status and in-
centives available in marketing, asked to join our sales team; that would have
never happened ten years ago. Selling has become a valued part of our culture.
And we try to make processing transparent to our customers.
 
                                Deals on Wheels
 
  Strategic planning also led us to another opportunity in retail lending--car
loans. Although banks had always played an important role in financing Ameri-
ca's love affair with the automobile, by the early 1980's finance companies
belonging to the huge car manufacturers--GMAC, Ford Motor Credit and Chrysler
Credit--had captured much of the business. They had two advantages: (1) they
could subsidize lower loan rates with higher car prices, and (2) they offered
their loans directly through dealers so

<TABLE> 
<CAPTION> 
       1993                         1994                          1995                         1996
- -------------------------------------------------------------------------------------------------------------
<S>                      <C>                             <C>                          <C> 
  First Oak Brook        Our banks are consolidated         First Oak Brook              First Oak Brook
Bancshares had $614       into one--Oak Brook Bank.        Bancshares reached           Bancshares reached
 million in assets.       ($634 million in assets)       $678 million in assets.      $768 million in assets.
</TABLE> 

6
                                               First Oak Brook Bancshares, Inc.
<PAGE>
 
 
 
- -------------------------------------------------------------------------------
customers didn't have to visit a bank. Nevertheless, a few banks in Chicago-
land--namely, Lakeshore and Citizens Bank of Park Ridge and National Boule-
vard--ran successful "indirect" programs whereby
                  dealers initiated consumer auto loans and discounted them to
                  the banks. So we decided to follow their lead. We identified
                  high-end foreign car dealers as our potential target market,
                  again taking advantage of our low cost sources of funds to
                  underprice the competition. Because this is a specialized
                  business,
 
                  we recruited a very experienced underwriter from National
                  Boulevard to write
                  a business plan and start our indirect lending. Then as now,
                  central to our plan was to compete only on rate, not cut our
                  high credit standards. Today, low price, quick turnarounds,
                  and consistent buying practices are the hallmark of this
                  sector of our loan portfolio. In 1998 we purchased $123 mil-
                  lion in dealer
paper, while incurring losses of just $31,000. We became the fifth largest
bank originator of new car loans in Chicagoland.
 
  Having vertically integrated residential lending, we've recently turned our
attention to doing the same with our auto dealers. Approximately, 30% of the
Chicago area new car dealers are signed up for our "indirect" program. With
penetration that deep, it was natural for us to aim at obtaining a full bank-
ing relationship. We now actively sell cash management, merchant credit card
business, commercial mortgages, and "floor plan" inventory loans to dealers.
[PERSONAL LOANS LOGO]
 
                              The Word is Plastic
 
  Lastly, we planned to finance retail purchases. This meant entering the
credit card business. The mid 1980's was an opportune time because most
Visa(R) & Mastercard(R) issuers were charging 19.8% APR's and had just intro-
duced $18 to $20 annual fees. The exception was Jerry Bradshaw's Gary-Wheaton
Bank, by then our largest competitor in DuPage County. Jerry had launched a
regular Visa card with an 18% APR and no annual fee, and his promotion was go-
ing gangbusters. We decided to better his offering by introducing an upscale
Gold Mastercard with a 15.6% APR and no annual fee. Almost overnight, because
of great word of mouth and publicity in national consumer publications, our
card turned into a success. Soon, we were partnering with organizations like
Northwestern University, the Chicago Bar Association, the Illinois CPA Socie-
ty, and the American Veterinary Medicine Association to develop "affinity"
card programs. As with our other consumer loan programs, our plan was to be
the low-rate provider while maintaining the highest credit standards. Our
losses were, year-in and year-out, consistently a fraction of the national av-
erage.
 
  Eventually, market forces overwhelmed us. Although we built a very profit-
able $55 million portfolio, by late 1996 growth was hard to come by. Huge is-
suers were offering below cost teaser rates--sometimes as low as 2.9% APR--to
attract new individual cardholders, and they were paying enormous guaranteed
fees and revenue-sharing arrangements to attract new affinity groups. Our low-
rate position in the market became irrelevant. So, in mid-1997 we sold our
portfolio at what we believe to be one of the highest premiums in history. Our
high credit quality standards paid-off handsomely.
 
                                 Going Public
 
  By 1985, our growth was already exceeding our capacity to generate internal
capital to support it. Our original investors' capital had been tied up for
over ten years. And we needed additional capital to fund potential bank acqui-
sitions. What we needed was a public offering of shares to provide funds for
future growth or acquisitions and liquidity for our investors. With the sup-
port of Blunt, Ellis & Loewi

<TABLE> 
<CAPTION> 
         1997                        1998                       1998                       1999
- ---------------------------------------------------------------------------------------------------------
<S>                          <C>                        <C>                        <C> 
    First Oak Brook          Aurora and Glen Ellyn        First Oak Brook          La Grange Office opens
  Bancshares reached            Offices opened.          Bancshares reached             in the Fall.
$816 million in assets.                                 $1 billion in assets.      
</TABLE> 

                                                                              7
First Oak Brook Bancshares, Inc.
<PAGE>
 
 
To Our Shareholders
 
- -------------------------------------------------------------------------------
(now Everen), we raised $5.5 million by issuing shares of a new class of
stock, Class A Common. Class A shares paid 120% of the Common stock's dividend
but had only 1/20th of its vote. Existing Common was convertible one for one
into Class A. By virtue of this structure, the founding families retained ef-
fective control of the Company and, more important, met the requirements of
the Management Interlocks Act which permitted common officers and director-
ships only between banks which shared common voting control. This two-class
structure solved the problem of affiliation between First Oak Brook
Bancshares, Inc. and our two independent Chicago banks.
 
  With public ownership and a listing on the NASDAQ National Market System
came certain burdens. Previously, we could justify expansion even if it re-
duced current earnings. After we went public, we always had to weigh growth
against profit. Nevertheless, we tried our best not to manage earnings quarter
by quarter, as some larger companies were accused of doing.
 
                                 Branching Out
 
  Our growth and acquisition strategy in the latter half of the 1980's is a
case in point. As we were raising capital, others like us were following suit.
The ready supply of equity money and the ease of acquisitions due to the new
holding company structure were driving bank acquisition prices skyward. As
part of our strategic planning, we concluded branching would be the best way
to satisfy our appetite for expansion without stretching our capital and human
resources. Thus, beginning in 1985 we have opened seven branches.
 
  And we chose to make acquisitions opportunistically. In 1989, an opportunity
presented itself to satisfy our champagne tastes on our beer budget: the $50
million asset Liberty Bank in Broadview became available for $4.75 million, or
about 1.6 times book value. While the purchase diminished earnings for that
year, it helped fill in our western suburban market.
 
               Lockbox, Safe Deposit Box, What's the Difference?
 
  Even as we expanded into new locations and worked at retail lending, we al-
ways built on our traditional strengths in cash management and commercial real
estate lending. Our cash management business began in the early 1970's when
the industry was in its infancy. At the time our only business development of-
ficer happened to be calling on Bunker-Ramo, a large Oak Brook headquartered
business machine manufacturer. Our calling officer offered the company our le-
gal lending limit, then about $500,000. Bunker-Ramo's treasurer explained he
was looking for $50 million. When our Vice President persisted, looking for
some service we could render, Bunker's treasurer asked if we offered lockbox
services. Our Vice President said, "Yes, of course," thinking he meant a safe
deposit box. When our officer repeated his conversation to our Cashier back at
the bank, he immediately set him straight: Lockbox originated as a way for
banks to control collection of a secured borrower's accounts receivable; the
payments, although addressed to the borrower, came directly to the bank's
post-office box for immediate bank processing. Lately, our Cashier explained,
large non-borrowing companies were adapting this device to speed collection
and improve controls, since receivables by-passed the company. Shortly, along
with a few Loop banks, we found ourselves among the cash management pioneers.
 
  Within a few years, cash management had become ingrained in our culture from
top to bottom. Over twenty years ago, a Japanese electronics manufacturer with
a warehouse in Elmhurst called us about our lockbox capabilities. Our opera-
tor, the caller told us later, was the only one from any suburban bank who did
not transfer his call to the safe-deposit vault, but instead forwarded it di-
rectly to Deposit Operations.
 
8
                                               First Oak Brook Bancshares, Inc.
<PAGE>
 
 
 
- -------------------------------------------------------------------------------
                  Taking Cash Management to the Middle Market
 
  Like any innovation, cash management evolved over the years. When we began,
we had to show treasurers of Fortune 1000 companies how to take advantage of
the new systems. Before long, large corporations were staffed with expert
banking managers to bid out the business and seek the best "penny prices." By
the early 1980's, other large community banks jumped on the bandwagon, al-
though typically they trailed us badly in know-how. During this period the
President of Elmhurst National Bank asked for our help in pricing a lockbox
account. We told him we were uncomfortable recommending how to price his serv-
ice, but offered to tell him whether at the price he wanted to charge, his
bank would likely earn a profit. When he said 75c an item, we readily admitted
Elmhurst would make money. We didn't tell him his proposed charge was about
twice the going rate.
 
  Seeing the growing expertise and sharper pencils within the big corporations
and entry of community banks into the market, we redirected our sales efforts
toward middle market businesses. These companies were typically solicited by
credit-driven calling officers with little knowledge of the benefits of cash
management. We were the first to identify this underserved market segment. To-
day, many of our commercial bankers devote themselves exclusively to calling
on this sector.
 
  Meantime, while we fine-tuned our target market, we also improved our prod-
uct. Two examples show how inventive we can be. Oak Brook Bank was the first
bank in the country to provide Electronic Data Interchange (EDI) to a State
government. Working with the State of Illinois, we created a new system: as
businesses remitted their tax payments to Illinois's lockbox at our Bank, we
simultaneously captured non-financial information off the remittance stubs and
relayed it to the State by computer link.
 
More recently, Oak Brook Bank was one of the first six banks in the United
States and the first in the Midwest to provide electronic business banking se-
curely over the Internet. Our product--developed by us and called WEBS (Web
Electronic Banking Service)--lets businesses look in real time at their bank-
ing activity and initiate transactions on their PC's. Customers no longer have
to load special software. They no longer need special workstations and operat-
ing systems, complex installation and training, or replacement disks and rein-
stallation for every update. What an improvement!
 
  What sets our cash management apart, however, is our willingness and ability
to customize. Our Commercial Bankers, Cash Managers, and Information Technol-
ogy experts regularly tailor products to suit individual clients. Recently, a
real property management organization asked us for a system that could apply
condo assessments collected from multiple properties to specific association
bank accounts; we developed a unique program for this purpose.
 
                         Still Doing What We Know Best
 
  Our commercial real estate lending activities also have deep roots. Gene
Heytow and many of our directors and original investors started out in real
estate, construction, and architectural and engineering businesses. Gene had
developed a chain of motels and built a number of apartments. Myron Shapiro
and the Ecker family owned the largest painting and drywall company in Ameri-
ca. Wil Erickson ran a
 
                 suburban general contracting business. Bill Gahlberg managed
                 Oak Brook
                 Development, the joint venture of Del Webb Corp and the But-
                 ler family which developed Oak Brook. Sidney Epstein chaired
                 A. Epstein & Sons International, one of the Midwest's largest
                 and oldest architectural and engineering firms. Bob Footlik
                 headed Footlik Associates, a consulting business which spe-
                 cial-ized in materials handling design for new plants and
                 warehouses. With ready experts like these, we had exceptional
                 know-how to draw upon to help us manage real estate lending
                 risk.
[COMM'CL MORTG LOGO]
 
                                                                              9
First Oak Brook Bancshares, Inc.
<PAGE>
 
 
To Our Shareholders
 
- -------------------------------------------------------------------------------
  But for many years we found it difficult to coordinate our commercial real
estate lending. Within our holding company structure, we still awkwardly oper-
ated a number of separately chartered banks. A change began in 1986 when we
merged Oak Brook Bank and First National Bank of Oak Brook to form Oak Brook
Bank and culminated in 1994 when, driven by regulatory burden, we consolidated
the last of our separate banks into Oak Brook Bank.
 
  Even before then, it was clear our commercial real estate lending needed to
be centralized, so, in January, 1992, we formed our Commercial Real Estate
Loan Department. While industry specialization is nothing new to money center
banks, typically suburban banks only assigned lenders to consumer, residential
mortgage, and commercial divisions. Now, with a marketing focus on home build-
ers and construction lending backed by a solid general knowledge of most as-
pects of Chicago commercial real estate, we were in a position to grow this
sector. And grow it we did. From a portfolio of $34 million in January, 1992,
we steadily expanded our outstandings to $156 million by year-end 1998.
 
                          Making Money Managing Money
 
  The next strategic challenge we tackled was our Trust Department. Essential-
ly, it served merely as an accommodation. We helped customers with whatever
they needed--from securities custody and self-directed IRA accounts to escrows
and estate settlements. As recently as ten years ago, Oak Brook Bank managed
investments of just $3.2 million. Then about seven years ago, we conducted a
strategic review
                               of the Trust Department. Our conclusion was
                               that we should
 
                               direct our efforts to growing our investment
                               management business. While we would continue to
                               accommodate other customer requests, we should
                               seek money management business, balancing the
                               high variable costs of transaction processing
                               with the lower fixed costs of rendering invest-
                               ment advice.
 
  Consequently, we introduced new investment products like our Managed Mutual
Fund Account, essentially a wrap account which gives smaller investors the
benefit of our market knowledge and custodial and administrative strengths. We
brought in two full-time business development officers, one to focus on munic-
ipal police and fire retirement funds and the other personal investment man-
agement. And, with new leadership and a new name, the Investment Management
and Trust Department, we reorganized the group into four divisions--Invest-
ments, Administration, Operations, and Business Development.
[FIRST OAK BROOK DISCRE. ASSET LOGO]
 
  Our results speak for themselves. Assets under management have risen tenfold
from $21.2 million at the beginning of 1992 to $194.9 million at year end
1998. Fee income has more than tripled--from $324,000 for 1992 to $1,048,000
for 1998.
 
                              Our Newest Frontier
 
  If, however, there was one area we lagged in, it was in commercial and in-
dustrial lending. As previously discussed, we began in the 1970's by turning
around troubled banks; it taught us to be conservative. Also, the center of
our market, Oak Brook, the commercial and retail capital of DuPage County, was
populated with Fortune 1000 companies and service industries--terrific deposit
generators,
but less desirable loan prospects for a smaller bank. But our biggest limita-
tion was our processing mentality. When we arrived in DuPage twenty-five years
ago, business borrowers came to their bankers' desks to petition for loans,
and bankers analyzed the requests, often scaling them back a few bucks just to
emphasize our superior power. Twice--between the mid 1970's and early 1980's--
we had credit crunches that made loans hard to get. Borrowers were grateful
just to receive an audience. Today, the
10
                                               First Oak Brook Bancshares, Inc.
<PAGE>
 
 
 
- -------------------------------------------------------------------------------
 
                     circumstances are reversed. Credit is plentiful and
                     cheap. Borrowers expect lenders to call upon them, and
                     when we do, too often they pit us against one another to
                     obtain the lowest price, longest maturity, and loosest
                     terms. The fact is, we didn't change fast enough with the
                     times; until recently we staffed our Commercial Lending
                     Department with too many "minders" and not enough "find-
                     ers." About two years ago, again thanks to our planning
                     efforts, we decided to modernize our commercial lending
                     attitudes. We brought in new leadership and several new
                     loan officers who have been effective in the market. Con-
                     sequently, our commercial loans rose to $108.7
million at year-end 1998 from $54.7 million at year-end 1997, essentially dou-
bling.
 
  Investment analysts have very properly raised the question, how does this
commercial lending initiative square with our historically strong credit cul-
ture? They remind us that in the last twenty-five years, except for losses
taken on loans extended by prior managements of banks we acquired, we incurred
only one commercial loan loss of any size--for $150,000. Our answer is, we ex-
pect to have some more exposure. Therefore, we are increasing our monthly pro-
vision for losses. But we are confident the higher yields on these commercial
loans versus alternative investment opportunities will more than make up for
any losses incurred. Moreover, we're tightening our loan underwriting and ad-
ministration. We added a Small Loan Committee to scrutinize smaller business
credits, have established a Credit Administration Division within the Commer-
cial Lending Department to support our lenders and follow our growing portfo-
lio, and have enhanced our training with a "Credit Boot Camp" which all line
lenders and commercial business developers are required to attend. All our
credit training focuses on four practices: exercising extraordinary due dili-
gence and investigating sufficiently to unearth what the borrower may not know
himself or has failed to share with us; sticking to conventional loan struc-
tures and conservative advance levels; monitoring existing loans closely; and,
when problems arise, alerting senior management immediately in order to pro-
tect the bank.
 
                                  Deliverance
 
  Perhaps over the last quarter century no aspect of banking has changed more
than retail banking. In 1974, every bank in Illinois was separately chartered,
branches were severely restricted, and drive-in banking was still new. Most
banks stayed open late on Friday nights to cash workers' weekly paychecks. But
today, with the modernization of our banking laws, extensive branch networks
have developed. Alternative distribution channels--like ATM networks and on-
line banking--have proliferated, and paperless electronic payment mechanisms--
like direct deposit of salaries and social security payments, automated debits
for insurance premiums, utility bills and mortgages, and, of course, credit
and debit cards--are routine.
 
  The challenge for our company has been to blend these delivery systems into
an optimally-efficient, customer-friendly whole--to balance the high-touch
with the high-tech. We think we can do it by addressing four issues:
 
  1. Display a dominant physical presence in our core market, the western sub-
urbs of Chicago. Thus, we acquired banks in Addison (1974), Oak Brook (1976
and 1977), Warrenville (1983), and Broadview (1989), and opened branches in
Lisle (1985), Bensenville (1986), and Burr Ridge and Naperville (1988). For
several years, we relaxed our western suburban branching strategy while we
opened our first office on the Northshore in Glenview (1990), built our new
corporate headquarters in Oak Brook (1991), and merged into one bank charter
under the Oak Brook Bank banner (1994). In this way we were able to test our
market acceptance outside the western suburbs, centralize our back office, and
sharpen brand- awareness under the "Oak Brook Bank" banner. Then we resumed
our western suburban expansion in
                                                                             11
First Oak Brook Bancshares, Inc.
<PAGE>
 
 
To Our Shareholders
 
- -------------------------------------------------------------------------------
1998, opening two new branches--one in Aurora in far western DuPage County and
another in Glen Ellyn in central DuPage. In addition, in 1998 we purchased a
branch site in LaGrange, Illinois which should open in late 1999.
 
  While our branches are not all the same, generally they have several common
features. They can operate with as few as five employees--a branch manager who
works mostly inside but also participates actively in community and civic af-
fairs, an assistant branch manager/personal banker, two customer service reps
who handle new accounts and deliver teller services, and a commercial banker
to sell business services. Our intent is for retail activity to cover branch
overhead and commercial activity to render the branch profitable.
 
  2. Use advertising wisely. Unlike some of our largest competitors who fre-
quently, and in our opinion, mostly futilely, spend large sums on image adver-
tising, we have primarily and consistently used our advertising to sell retail
products at attractive prices. This approach has advantages: we promote our
identity (e.g., in a 60-second radio spot we mention the "Oak Brook Bank" name
at least six times) while linking our name with a pro-consumer product, say, a
low-cost home equity loan or a premium-rate CD. Our two-pronged ads, unlike
purely image ads, can be evaluated according to consumer response. Meanwhile,
our business bankers--who must market Oak Brook Bank face to face-- still ben-
efit indirectly from the heightened name recognition and good product offer-
ings, since business people correctly infer that if we're fair to consumers,
we're likely to be fair to them.
 
  Also, our radio commercials use real Oak Brook bankers to tell our story.
This suggests to the listener that he or she already has a friend at Oak Brook
Bank, in contrast to the impersonal megabanks.
 
  3. Harness technology to serve our retail customers. Currently, our custom-
ers can bank at the branch in person or outside most branches at a drive-up
window; at one of our own or a networked ATM; at a point of sale with our
debit card; over the phone with our 24 hour voice response unit or extended-
hour Call Center; by mail; and, starting just recently, over the Internet with
OnLine Banking and bill payment. And, if a consumer wants a mortgage, we'll
come to his or her home or office.
 
  Such a multiplicity offers improved efficiency for our bank and greater con-
venience for our customers. But it comes at a price. First, compared to twen-
ty-five years ago, we need even better educated, better trained, and more tal-
ented people to manage the technology and to handle out-of-the ordinary trans-
actions. Without a doubt, our single greatest challenge is attracting, train-
ing and retaining the right staff. Second, this technology isn't cheap. Al-
though hardware prices keep dropping, with our growth we require more and more
of it; and, as a rule, it becomes obsolete very rapidly. Software purchases
themselves can be costly; but there are also the hidden costs of annual li-
censing, maintenance, and upgrades. And who expected the Y2K problem? Technol-
ogy, in short, is a mixed blessing.
 
  4. Create a stronger retail sales culture. We've proven in the commercial
banking and retail lending areas that we can build a strong sales culture, and
we believe we have many of the components in place to extend this throughout
retail banking. We have already installed a system that tiers retail customer
relationships by profitability. Our personal bankers receive regular training
both on our products and on how to sell them, paying special attention to what
our customers need. And, in January, 1999, we brought back Sue Peterson to
lead our Retail Banking Department. Sue, a former university consumer econom-
ics professor who started her banking career with us, had spent the last
eleven years successfully building retail sales and marketing for a $1.8 bil-
lion asset southside bank group.
 
  We are particularly optimistic that we can develop a sales culture in our
branches because we already have an exceptional commitment to service. In a
survey we recently commissioned, our retail
12
                                               First Oak Brook Bancshares, Inc.
<PAGE>
 
 
 
- -------------------------------------------------------------------------------
bankers earned very high marks for providing top service. Management must now
show our retail bankers that needs-based selling is a part of good service,
not at odds with it.
 
                                The Bottom Line
 
  In 1998, First Oak Brook Bancshares had remarkable balance sheet growth over
prior year end. Assets rose 24%, loans were up 41%, and demand deposits in-
creased 22%. Our core earnings, excluding
 
                                      the gain from sale of our credit card
                                      portfolio in 1997, were up 9% to
                                      $9,441,000 in 1998. Our cash dividends
                                      on our Class A Common jumped 28%, and we
                                      declared a 2 for 1 stock split in 1998.
                                      But as happy as these one year results
                                      make us, our satisfaction comes from
                                      looking back a quarter-century and see-
                                      ing how far we've come. To those of us
                                      who've been here from the beginning--our
                                      shareholders, customers, co-workers and
                                      friends--thank you for your help in mak-
                                      ing our first $1 billion a reality.
[FIRST OAK BROOK TOTAL INC LOGO]
 
[SIGNATURE OF             [SIGNATURE OF                   [SIGNATURE OF 
EUGENE P. HEYTOW]         RICHARD M. RIESER, JR.]         FRANK M. PARIS

Eugene P. Heytow          Richard M. Rieser, Jr.          Frank M. Paris
Chairman                  President                       Vice-Chairman
                                                     

First Oak Brook Bancshares, Inc.                                              13
<PAGE>
 
 
Management Discussion and Analysis
 
- --------------------------------------------------------------------------------
Earnings Summary and Selected Consolidated Financial Data
 
<TABLE>
<CAPTION>
                                    At and for the year ended December 31,
(Dollars in thousands
except per share data)            1998      1997      1996      1995      1994
- -------------------------------------------------------------------------------
<S>                         <C>         <C>       <C>       <C>       <C>
Statement of Income Data
Net interest income         $   28,410  $ 27,432  $ 26,834  $ 25,476  $ 24,296
Provision for loan losses          630     1,550     1,510     1,050     1,200
Net interest income after
 provision for loan losses      27,780    25,882    25,324    24,426    23,096
Other income                     7,991    15,541     4,647     4,186     4,098
Other expenses                  22,423    20,708    20,435    19,924    19,173
Income before provision
 for income taxes               13,348    20,715     9,536     8,688     8,021
Provision for income taxes       3,907     6,962     2,429     1,996     1,827
Net income                  $    9,441  $ 13,753  $  7,107  $  6,692  $  6,194
- -------------------------------------------------------------------------------
Per Share Data/1/
Basic earnings per share    $     1.42  $   2.09  $   1.06  $   1.00  $    .92
Diluted earnings per share        1.39      2.03      1.03       .98       .91
Cash dividends paid per
 share:
 Class A common                   .345      .270      .190      .158      .138
 Common                           .288      .220      .158      .132      .111
Book value per share             11.46     10.38      8.62      8.23      6.27
Market price per share           18.50     24.00     11.63     10.32      8.63
- -------------------------------------------------------------------------------
Year-End Balance Sheet
 Data
Total assets                $1,009,275  $816,144  $768,655  $678,102  $634,705
Loans, net of unearned
 discount                      631,987   447,332   420,164   362,728   309,681
Allowance for loan losses        4,445     4,329     4,109     3,932     3,859
Investment securities          297,674   302,098   265,954   256,192   263,943
Demand deposits                187,209   153,806   147,497   128,236   109,237
Total deposits                 777,802   627,763   648,303   555,086   513,623
Federal Home Loan Bank
 borrowings                     57,500    42,500        --     3,500     6,000
Shareholders' equity            77,061    71,661    59,553    53,762    42,909
- -------------------------------------------------------------------------------
Financial Ratios
Return on average assets          1.02%     1.76%      .97%     1.03%     1.01%
Return on average equity         12.74     21.72     12.77     14.00     14.54
Net interest margin               3.43      3.97      4.20      4.54      4.61
Net interest spread               2.34      2.86      3.23      3.57      3.87
Dividend payout ratio            24.17     12.43     18.63     14.63     14.13
- -------------------------------------------------------------------------------
Capital Ratios
Average equity to average
 total assets                     8.00%     8.11%     7.59%     7.39%     6.95%
Tier 1 capital ratio             10.20     13.70     12.66     13.33     13.37
Total capital ratio              10.80     14.55     13.54     14.32     14.46
Capital leverage ratio            7.61      8.57      7.69      7.94      7.50
- -------------------------------------------------------------------------------
Asset Quality Ratios
Nonperforming loans to
 total loans                       .04%      .09%      .49%      .03%      .21%
Nonperforming assets to
 total loans and other
 real estate owned                 .04       .09       .49       .03       .21
Nonperforming assets to
 total capital                     .35       .53      3.49       .19      1.49
Allowance for loan losses
 to total loans                    .70       .97       .98      1.08      1.25
Net charge-offs to average
 loans                             .10       .32       .34       .30       .20
Allowance for loan losses
 to nonperforming loans          16.34x    11.45x     1.98x    37.81x     6.05x
- -------------------------------------------------------------------------------
</TABLE>
/1/Per share data has been restated to give effect to the 100% stock dividend
declared July 21, 1998.
14
                                                First Oak Brook Bancshares, Inc.
<PAGE>
 
 
 
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Results of Operations
 
The following discussion and analysis provides information about the financial
condition and results of operations of First Oak Brook Bancshares, Inc. (the
Company) for the years ended December 31, 1998, 1997 and 1996. This discussion
and analysis should be read in conjunction with the Company's consolidated fi-
nancial statements and notes thereto included in this report.
 
Assets at year-end reached a record high, in excess of $1 billion, up 24% from
total assets of $816 million at December 31, 1997. Increased marketing efforts
and competitive pricing contributed to the strong asset growth.
 
Total equity also reached a record level of $77 million at December 31, 1998 an
increase of 8% over prior year total equity of $72 million. The Company's capi-
tal ratios continued to exceed the minimum regulatory guidelines and the sub-
sidiary bank's capital ratios exceed the minimum ratios for "well-capitalized"
banks as defined by the FDIC.
 
Earnings
 
The Company's consolidated net income, earnings per share and selected ratios
for 1998, 1997 and 1996 were as follows:
 
<TABLE>
<CAPTION>
                                  1998         1997        1996
- -------------------------------------------------------------------------------
<S>                         <C>         <C>          <C>
Net income                  $9,441,000  $13,753,000  $7,107,000
Basic earnings per share    $     1.42  $      2.09  $     1.06
Diluted earnings per share  $     1.39  $      2.03  $     1.03
Return on average assets          1.02%        1.76%        .97%
Return on average equity         12.74%       21.72%      12.77%
 
Included in 1997 net income was the gain from the sale of the credit card port-
folio. The Company recognized an after-tax gain of $5.1 million on the sale.
The net gain consisted of a premium of $11.5 million less expenses of $2.25
million, an $800,000 special provision for loan losses and an income tax provi-
sion of $3.3 million. In addition the Company shares in the revenue from the
sold portfolio for five twelve month periods beginning July of 1997, subject to
a maximum annual payment of $900,000. Results for 1997, excluding the gain on
the sale of the credit card portfolio, were as follows:
 
Net income                              $ 8,670,000
Basic earnings per share                $      1.31
Diluted earnings per share              $      1.28
Return on average assets                       1.11%
Return on average equity                      13.69%
</TABLE>
 
1998 versus 1997
 
The 1998 results compared to 1997 include the following significant pre-tax
components:
 
 . Net interest income rose $978,000 due to a 20% increase in average earning
  assets, primarily loans, offset by a 14% decrease in the net interest margin.
 
 . The provision for loan losses decreased by $920,000 primarily due to the sale
  of the credit card portfolio in 1997. Since virtually all of the historical
  charge-offs were related to the credit card portfolio, and the Company con-
  tinued to have low levels of non-performing loans, the provision for 1998 was
  reduced.
 
 . Other income, excluding the gain on the sale of the credit card portfolio in
  1997, increased $1,701,000 primarily due to an increase in fee income from
  business deposit accounts, income earned from the revenue sharing agreement
  on the credit card portfolio sale, merchant credit card processing, and the
  net gain on mortgages sold in the secondary market.
 
 . Other expenses increased $1,715,000 due primarily to salary and employee ben-
  efit expenses as a result of bank growth, occupancy and equipment expenses
  related to the two new branches opened in 1998 and merchant interchange ex-
  pense. In addition, included in the 1997 other expenses was a $300,000 con-
  tribution to the Oak Brook Bank Charitable Trust and a gain of $515,000 re-
  corded on the sale of surplus property formerly leased to a third party.
 
1997 versus 1996
 
The 1997 results compared to 1996 include the following significant pre-tax
components:
 
 . Net interest income rose $598,000 due to a 7% increase in average earning as-
  sets offset by a 5% decrease in the net interest margin.
 
                                                                              15
First Oak Brook Bancshares, Inc.
<PAGE>
 
 
Management Discussion and Analysis
 
- --------------------------------------------------------------------------------
 . Other income, excluding the gain on the credit card portfolio sale, increased
  $1,643,000 primarily due to income earned from the revenue sharing agreement
  on the sold credit card portfolio, as well as higher fees from business de-
  posit accounts, investment management and trust accounts, and merchant card
  processing.
 
 . Salaries and employee benefits increased $527,000 due to normal salary in-
  creases, higher compensation due to competitive market conditions, additional
  upgrades and increased staff in core growth areas, offset by the elimination
  of salaries in the credit card department due to the sale of the credit card
  portfolio.
 
 . Data processing fees decreased $324,000 primarily due to the sale of the
  credit card portfolio.
 
 . Included in other operating expense was a $300,000 contribution made to Oak
  Brook Bank Charitable Trust established in December, 1997.
 
 . Included in other operating expense was a $515,000 gain on the sale of sur-
  plus property formerly leased to a third party.
 
Net Interest Income
 
Net interest income is the difference between interest earned on loans, invest-
ments and other earning assets and interest paid on deposits and other inter-
est-bearing liabilities. Net interest income is the principal source of the
Company's revenues.
 
1998 versus 1997
 
On a tax-equivalent basis, net interest income for 1998 totaled $29,589,000, an
increase of $998,000 or 4% over 1997. This increase is attributable to a 20%
increase in average earning assets offset by a 14% decrease in the net interest
margin to 3.43% in 1998 from 3.97% in 1997. The compression of the net interest
margin was a result of the following:
 
 . The composition of average assets changed during 1997 and continued to change
  into 1998. During 1997, the Company sold its high-yielding credit card port-
  folio and reinvested those funds in the securities market at an approximate
  yield of 7%. During 1998, average loans increased $104 million primarily in
  the indirect auto ($56 million), commercial ($29 million), commercial real
  estate ($26 million), residential real estate ($13 million) and home equity
  ($8 million) loan portfolios offset by a decrease in the credit card portfo-
  lio ($27 million). Further compression of the loan yields was due to the com-
  petitive pricing as well as the slight decrease in the average prime rate to
  8.35% in 1998 from 8.44% in 1997.
 
 . While rates paid on the individual components of interest-bearing liabilities
  dropped, the overall cost of interest-bearing liabilities increased from
  4.89% in 1997 to 4.95% in 1998. This increase was primarily due to increased
  volume of the higher-cost interest-bearing liabilities, primarily time depos-
  its and FHLB borrowings. The average time deposit balance increased $69 mil-
  lion. The average balance of FHLB borrowings increased $42 million at a long-
  term average rate of 5.80%.
 
1997 versus 1996
 
On a tax-equivalent basis, net interest income for 1997 totaled $28,591,000, an
increase of $438,000 or 2% over 1996. This increase is attributable to a 7% in-
crease in average earning assets offset by a 5% decrease in the net interest
margin to 3.97% in 1997 from 4.20% in 1996. The compression of the net interest
margin was a result of the following:
 
 . On June 30, 1997, the Company sold its credit card portfolio which totaled
  approximately $53 million and had a gross yield of approximately 16%. The net
  proceeds from the sale of approximately $58 million were reinvested in the
  bank's securities portfolio at an approximate yield of 7%. While the interest
  income stream combined with the future revenue sharing payments and reduced
  expenses associated with the sale had a neutral to slightly positive effect
  on earnings, the net interest margin was compressed for the second six months
  of 1997.
 
 . Further compression of the net interest margin in 1997 was offset by a slight
  increase in the average prime rate to 8.44% in 1997 from 8.27% in 1996 and
  growth in average loan volume. Average loans increased $24 million primarily
  in indirect auto loans ($30 million), home equity loans ($9.4 million) and
  commercial loans ($9.4 million), offset by a drop in credit card loans ($27.2
  million).
 
 . The average cost of interest-bearing liabilities rose to 4.89% in 1997 from
  4.80% in 1996. The 1997 average balance of higher rate time deposits in-
  creased $21.2 million compared to 1996, while the 1997 average balance of
  lower rate savings and NOW accounts declined $13.7 million compared to 1996.
  To fund the loan growth at lower rates than it would have had to pay on de-
  posits, the Company increased its average Federal Home Loan Bank borrowings
  by $12.6 million in 1997.
16
                                                First Oak Brook Bancshares, Inc.
<PAGE>
 
 
 
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The following table presents the average interest rate on each major category
of interest-earning assets and interest-bearing liabilities for 1998, 1997, and
1996.
 
Average Balances and Effective Interest Rates
 
<TABLE>
<CAPTION>
                                             1998                       1997                       1996
                         -------------------------  -------------------------  -------------------------
                                   Interest                   Interest                   Interest
                          Average   Income/ Yield/   Average   Income/ Yield/   Average   Income/ Yield/
(Dollars in thousands)    Balance   Expense  Rates   Balance   Expense  Rates   Balance   Expense  Rates
- ---------------------------------------------------------------------------------------------------------
<S>                      <C>       <C>      <C>     <C>       <C>      <C>     <C>       <C>      <C>
Assets
Earning assets:
 Federal funds sold and
  securities purchased
  under agreements to
  resell                 $ 38,904   $ 2,106   5.41% $  8,325   $   460   5.52% $ 17,679   $   943   5.33%
 Interest-bearing
  deposits with banks      11,230       764   6.81     5,260       362   6.89       250        13   5.20
 Taxable securities       240,674    15,489   6.44   243,341    15,090   6.20   208,546    12,551   6.02
 Tax exempt
  securities/1/            50,197     3,567   7.11    46,638     3,489   7.48    51,101     3,956   7.74
 Loans, net of unearned
  discount/1/,/2/         521,072    40,949   7.86   416,758    36,445   8.75   392,572    36,328   9.25
- ---------------------------------------------------------------------------------------------------------
Total earning assets/
 interest income         $862,077   $62,875   7.29% $720,322   $55,846   7.75% $670,148   $53,791   8.03%
- ---------------------------------------------------------------------------------------------------------
Cash and due from banks    40,081                     39,611                     41,738
Other assets               28,379                     25,237                     25,013
Allowance for loan
 losses                    (4,092)                    (4,431)                    (4,139)
- ---------------------------------------------------------------------------------------------------------
                         $926,445                   $780,739                   $732,760
- ---------------------------------------------------------------------------------------------------------
Liabilities and
 Shareholders' Equity
Interest-bearing
 liabilities:
 Savings and NOW
  accounts               $171,067   $ 5,711   3.34% $172,533   $ 6,159   3.57% $186,195   $ 6,852   3.68%
 Money market accounts     40,139     1,302   3.24    34,071     1,089   3.20    29,865       900   3.01
 Time deposits            346,807    20,016   5.77   277,727    16,125   5.81   256,520    14,786   5.76
 Short-term debt           59,110     3,014   5.10    59,881     3,101   5.18    60,753     3,058   5.03
 FHLB borrowings           55,917     3,243   5.80    13,438       781   5.82       870        42   4.83
- ---------------------------------------------------------------------------------------------------------
Total interest-bearing
 liabilities/interest
 expense                 $673,040   $33,286   4.95% $557,650   $27,255   4.89% $534,203   $25,638   4.80%
Demand deposits           170,146                    151,257                    136,866
Other liabilities           9,159                      8,523                      6,052
- ---------------------------------------------------------------------------------------------------------
Total liabilities        $852,345                   $717,430                   $677,121
Shareholders' equity       74,100                     63,309                     55,639
- ---------------------------------------------------------------------------------------------------------
                         $926,445                   $780,739                   $732,760
- ---------------------------------------------------------------------------------------------------------
Net interest income/net
 interest spread/3/                 $29,589   2.34%            $28,591   2.86%            $28,153   3.23%
Net interest margin/4/                        3.43%                      3.97%                      4.20%
- ---------------------------------------------------------------------------------------------------------
</TABLE>
/1/Tax equivalent basis. Interest income and average yield on tax exempt loans
and investment securities include the effects of tax equivalent adjustments us-
ing a tax rate of 35% in 1998 and 1997 and 34% in 1996.
/2/Includes nonaccrual loans.
/3/Total yield on average earning assets, less total rate paid on average in-
terest-bearing liabilities.
/4/Total interest income, tax equivalent basis, less total interest expense,
divided by average earning assets.
                                                                              17
First Oak Brook Bancshares, Inc.
<PAGE>
 
 
Management Discussion and Analysis
 
- --------------------------------------------------------------------------------
The following table presents a summary analysis of changes in interest income
and interest expense for 1998 as compared to 1997 and 1997 as compared to 1996.
Interest income rose in 1998 due to the higher volume of loans and federal
funds sold offset by a decline in average loan yields. Interest expense rose in
1998 due to the increased volume of time deposits and Federal Home Loan Bank
borrowings offset by a decrease in rates paid. The increase in net interest in-
come in 1997 was due to the increased volume of loans and securities offset by
a decline in average loan yields due to the sale of the credit card portfolio.
 
Analysis of Net Interest Income Changes
<TABLE>
<CAPTION>
                                    1998 Over 1997             1997 Over 1996
                          -------------------------  -------------------------
(Dollars in thousands)    Volume/1/ Rate/1/   Total  Volume/1/ Rate/1/   Total
- -------------------------------------------------------------------------------
<S>                       <C>       <C>      <C>     <C>       <C>      <C>
Increase (decrease) in
 interest income:
Federal funds sold         $ 1,656  $   (10) $1,646   $ (516)  $    33  $ (483)
Interest-bearing
 deposits with banks           407       (5)    402      344         5     349
Taxable securities            (166)     565     399    2,148       391   2,539
Tax exempt securities/2/       258     (180)     78     (337)     (130)   (467)
Loans, net of unearned
 discount/2/,/3/             8,464   (3,960)  4,504    2,173    (2,056)    117
- -------------------------------------------------------------------------------
Total interest income      $10,619  $(3,590) $7,029   $3,812   $(1,757) $2,055
- -------------------------------------------------------------------------------
Increase (decrease) in
 interest expense:
Savings & NOW accounts     $   (52) $  (396) $ (448)  $ (492)  $  (201) $ (693)
Money market accounts          197       16     213      132        57     189
Time deposits                3,988      (97)  3,891    1,230       109   1,339
Short-term debt                (40)     (47)    (87)     (44)       87      43
FHLB borrowings              2,464       (2)  2,462      729        10     739
- -------------------------------------------------------------------------------
Total interest expense     $ 6,557  $  (526) $6,031   $1,555   $    62  $1,617
- -------------------------------------------------------------------------------
Increase (decrease) in
 net interest income       $ 4,062  $(3,064) $  998   $2,257   $(1,819) $  438
- -------------------------------------------------------------------------------
</TABLE>
/1/The change in interest due to both rate and volume has been allocated pro-
portionately.
/2/Tax equivalent basis. Tax exempt loans and investment securities include the
effects of tax equivalent adjustments using a tax rate of 35% in 1998 and 1997
and 34% in 1996.
/3/Includes nonaccrual loans.
 
Allowance and Provision for Loan Losses
 
Loans which are determined to be uncollectible are charged off against the al-
lowance for loan losses and recoveries of loans that were previously charged
off are credited to the allowance.
 
The Company's charge-off policy varies with respect to the category of and spe-
cific circumstances surrounding each loan under consideration. The Company's
policy with respect to commercial, real estate, indirect auto and other loans
is to charge-off on the basis of management's ongoing evaluation of
collectibility. In the past, with respect to credit card loans, charge-offs
were made on all such loans when they were deemed to be uncollectible or when
180 days past due, whichever came first. In addition, any loans which are clas-
sified as "loss" in regulatory examinations are charged off.
18
                                                First Oak Brook Bancshares, Inc.
<PAGE>
 
 
 
- --------------------------------------------------------------------------------
 
The following table summarizes the loan loss experience for each of the last
five years.
 
Summary of Loan Loss Experience
<TABLE>
<CAPTION>
(Dollars in thousands)           1998      1997      1996      1995      1994
- ------------------------------------------------------------------------------
<S>                          <C>       <C>       <C>       <C>       <C>
Average loans for the
 period, net of unearned
 discount and allowance for
 loan losses                 $516,980  $412,327  $388,433  $321,183  $280,648
- ------------------------------------------------------------------------------
Allowance for loan losses,
 beginning of period         $  4,329  $  4,109  $  3,932  $  3,859  $  3,231
Charge-offs for period:
 Real estate-construction          --      (200)       --        --        --
 Real estate mortgage and
  home equity loans                --       (20)       --        --        --
 Commercial loans                  --        --        --        --       (25)
 Indirect auto loans              (31)      (39)      (14)       (3)       (2)
 Credit card loans               (188)   (1,237)   (1,484)   (1,096)     (702)
 Overdraft loans                 (458)       (4)      (11)       (3)       --
 Consumer loans                   (52)       (5)       (2)      (10)       (6)
- ------------------------------------------------------------------------------
  Total charge-offs              (729)   (1,505)   (1,511)   (1,112)     (735)
- ------------------------------------------------------------------------------
Recoveries for period:
 Real estate mortgage and
  home equity loans                --        --        --        --        35
 Commercial loans                  11         1        33        41        52
 Indirect auto loans               20         8        11        --        --
 Credit card loans                181       166       126        81        63
 Overdraft loans                    1        --        --        --        --
 Consumer loans                     2        --         8        13        13
- ------------------------------------------------------------------------------
  Total recoveries                215       175       178       135       163
- ------------------------------------------------------------------------------
Net charge-offs for the
 period                          (514)   (1,330)   (1,333)     (977)     (572)
Provision for loan losses         630     1,550     1,510     1,050     1,200
- ------------------------------------------------------------------------------
Allowance for loan losses,
 end of period               $  4,445  $  4,329  $  4,109  $  3,932  $  3,859
- ------------------------------------------------------------------------------
Ratio of net charge-offs to
 average loans outstanding        .10%      .32%      .34%      .30%      .20%
Allowance for loan losses
 as a percent of loans
 outstanding, net of
 unearned discount at end
 of period                        .70%      .97%      .98%     1.08%     1.25%
Ratio of allowance for loan
 losses to nonperforming
 loans                          16.34x    11.45x     1.98x    37.81x     6.05x
- ------------------------------------------------------------------------------
</TABLE>
 
The provision for loan losses decreased $920,000 in 1998 as compared to 1997.
Prior to 1998, primarily all of the Company's charge-offs had been related to
the credit card portfolio. Since the credit card portfolio was sold in 1997 and
the Company continued to have very low levels of non-performing loans, manage-
ment decreased the provision in 1998.
 
The provision for loan losses increased $40,000 in 1997 over 1996. When the
credit card portfolio was sold in 1997, the bank retained approximately $1.3
million in outstandings, approximately one-third of which consisted of accounts
delinquent 60 days or more and the remainder of which were accounts on fixed
payment schedules. Based on a review of these accounts, management determined
that a special $800,000 provision was prudent given the discontinued credit
card operations and the inherent risks related to the remaining credit card ac-
counts.
 
Net charge-offs for 1998 totaled $514,000 or .10% of average loans. Of total
net charge-offs, $451,000 related to a commercial overdraft. The Company's sub-
sidiary is pursuing recovery of this charge-off in a lawsuit filed in Federal
Court for the Northern District of Illinois. The suit names a commercial cus-
tomer and a major Chicago bank as defendants. The complaint alleges the commer-
cial customer perpetrated a kiting scheme and the Chicago bank violated the re-
quirements for timely return of the subject checks imposed on it by law and
regulation.
 
Currently and historically, the Company has had high asset quality. Fluctua-
tions in asset quality ratios during 1997 were positively affected by a repay-
ment of $1.5 million on a nonaccrual loan of $1.7 million outstanding at Decem-
ber 31, 1996. See nonperforming assets table for historical information.
 
The Company's allowance for loan losses as a percent of loans outstanding was
 .70% at December 31, 1998 as compared to .97% in 1997 and .98% in 1996. Manage-
ment believes the allowance for loan losses is at an adequate level.
                                                                              19
First Oak Brook Bancshares, Inc.
<PAGE>
 
 
Management Discussion and Analysis
 
- --------------------------------------------------------------------------------
 
The provision for loan losses is sufficient to provide for probable loan losses
and maintain the allowance at an adequate level commensurate with management's
evaluation of the risks inherent in the loan portfolio.
 
Management of the subsidiary bank prepares a detailed analysis, at least quar-
terly, reviewing the adequacy of its allowance and, when appropriate, recom-
mending an increase or decrease in its provision for loan losses. This analysis
is divided into two parts--one for allocated and the other for unallocated re-
serves. The allocated segment involves primarily an estimated calculation of
losses on specific problem and management watch list loans, the remaining
credit card portfolio and delinquent consumer loans. The unallocated segment
involves primarily a calculation of the bank's actual net charge-off history
averaged with industry net charge-off history by major loan categories includ-
ing unfunded commitments. In addition, the bank considers its loan growth, man-
agement capabilities, economic trends, credit concentrations, industry risks,
underlying collateral values and the opinions of bank management. Accordingly,
because each of these criteria is subject to change, the allocation of the al-
lowance is made for analytical purposes and is not necessarily indicative of
the trend of future loan losses in any particular loan category. The total al-
lowance is available to absorb losses from any segment of the portfolio.
 
In order to identify potential risks in the loan portfolio and determine the
necessary provision for loan losses, detailed information is obtained from the
following sources:
 
 . Regular reports prepared by the bank's management which contain information
  on the overall characteristics of the loan portfolio, including delinquencies
  and nonaccruals, and specific analysis of loans requiring special attention
  (i.e. "watch lists");
 
 . Examinations of the loan portfolio of the subsidiary bank by Federal and
  State regulatory agencies; and
 
 . Reviews by third-party consultants and internal audit staff.
 
In addition to management's assessment of the portfolio, the Company and the
subsidiary bank are examined periodically by regulatory agencies. Although such
agencies do not determine whether the allowance for loan loss is adequate,
their examinations may result in increases to the allowance based on their
judgements about information available to them at the time of their examina-
tion.
 
The following table presents the allocation of the allowance for loan losses
for each of the last five years.
 
Allocation of Allowance for Loan Losses
 
<TABLE>
<CAPTION>
                                                              December 31,
(Dollars in thousands)                    1998    1997    1996    1995    1994
- -------------------------------------------------------------------------------
<S>                                     <C>     <C>     <C>     <C>     <C>
Analysis of allowance for loan losses:
 Real estate--land acquisition and
  construction loans                    $   --  $   --  $  400  $  126  $  144
 Real estate mortgage and home equity
  loans                                      8       6      12       7      11
 Commercial loans                          218      34      --      --      30
 Indirect auto loans                       118      32      22      52      17
 Consumer loans                              2      14       6      20       9
 Credit card loans                         213     287     324     208      88
 Unallocated                             3,886   3,956   3,345   3,519   3,560
- -------------------------------------------------------------------------------
  Total allowance                       $4,445  $4,329  $4,109  $3,932  $3,859
- -------------------------------------------------------------------------------
Percentage of loans to gross loans:
 Real estate--land acquisition and
  construction loans                       6.6%    8.2%    8.5%    7.9%    4.8%
 Real estate mortgage and home equity
  loans                                   48.2    52.6    50.5    50.6    53.3
 Commercial loans                         17.2    12.2     9.7    10.5    10.7
 Indirect auto loans                      26.1    23.7    13.9    10.8     7.6
 Consumer loans                            1.9     3.2     3.6     4.1     4.3
 Credit card loans                          --     0.1    13.8    16.1    19.3
- -------------------------------------------------------------------------------
                                         100.0%  100.0%  100.0%  100.0%  100.0%
- -------------------------------------------------------------------------------
</TABLE>
 
Nonperforming Assets
 
The accrual of interest is discontinued on commercial and real estate loans
when the continuity of contractual principal or interest is deemed doubtful by
management or when 90 days or more past due and the loan is not well secured or
in the process of collection. Interest income is recorded on these loans only
as it is collected. Interest payments on nonaccrual loans which contain unusual
risk features or marginal collateral values may be applied directly to loan
principal for accounting purposes.
 
20
                                                First Oak Brook Bancshares, Inc.
<PAGE>
 
 
 
- --------------------------------------------------------------------------------
The following table highlights the Company's nonperforming assets.
 
<TABLE>
<CAPTION>
                                                              December 31,
(Dollars in thousands)                          1998  1997    1996  1995  1994
- -------------------------------------------------------------------------------
<S>                                             <C>   <C>   <C>     <C>   <C>
Nonaccruing loans                               $ --  $ --  $1,730  $ --  $ 70
Loans which are past due 90 days or more         272   378     349   104   568
- -------------------------------------------------------------------------------
 Total nonperforming loans                       272   378   2,079   104   638
Other real estate owned                           --    --      --    --    --
- -------------------------------------------------------------------------------
 Total nonperforming assets                     $272  $378  $2,079  $104  $638
- -------------------------------------------------------------------------------
Nonperforming loans to total loans outstanding   .04%  .09%    .49%  .03%  .21%
Nonperforming assets to total loans
 outstanding and other real estate owned         .04%  .09%    .49%  .03%  .21%
Nonperforming assets to total assets             .03%  .05%    .27%  .02%  .10%
Nonperforming assets to total capital            .35%  .53%   3.49%  .19% 1.49%
- -------------------------------------------------------------------------------
</TABLE>
 
The Company's ratio of nonperforming loans to total loans outstanding and other
real estate owned of .04% at December 31, 1998 was below the industry peer
group ratio of .85%/1/.
 
Summary of Other Income
 
The following table summarizes significant components of other income and per-
centage changes from year to year:
 
<TABLE>
<CAPTION>
                                                        % Change
                                                 -----------------
(Dollars in thousands)      1998    1997    1996 '98-'97   '97-'96
- -------------------------------------------------------------------
<S>                       <C>    <C>      <C>    <C>       <C>
Service charges           $3,190 $ 2,730  $2,381      17%       15%
Investment management
 and trust fees            1,048   1,025     653       2        57
Merchant card processing
 fees                      1,329     964     511      38        89
Fees on mortgages sold       416     224     131      86        71
Income from revenue
 sharing agreement           900     450      --     100        --
Other operating income     1,029     906     957      14         5
Investment securities
 gains (losses)               79      (9)     14     977      (164)
Gain on sale of credit
 card portfolio               --   9,251      --      --        --
- -------------------------------------------------------------------
 Total                    $7,991 $15,541  $4,647     (49)%     234%
- -------------------------------------------------------------------
</TABLE>
 
1998 versus 1997
 
Service charges on deposit accounts increased $460,000 primarily due to an in-
crease in business account analysis fees.
 
Investment management and trust department income increased $23,000, primarily
due to an increase in assets under investment management and other new trust
business offset by a change in the billing cycle that took place in 1997. The
change in the billing cycle resulted in additional fee income recorded in 1997
of approximately $147,000. Absent this 1997 change, investment management and
trust income increased $170,000 in 1998 due to an increase in discretionary as-
sets under investment management to $195 million at December 31, 1998 from $134
million at December 31, 1997.
 
Merchant card processing fees increased $365,000 primarily due to several new
merchants and continued marketing efforts. The number of merchants serviced in-
creased to 202 at year-end 1998 from 170 at year-end 1997. Merchant interchange
expense (in the other expense section) rose $297,000 in 1998.
 
Fees on mortgages sold, servicing released, increased $192,000 due to increased
residential loan originations. This fee income for 1998 represents the gain on
mortgages sold of $711,000 net of $295,000 in commissions paid to the loan of-
ficers that originate the loan activity.
 
Income from the revenue sharing agreement increased $450,000 to $900,000 due to
the recognition of twelve months of income in 1998 compared to only six months
of income in 1997 because the credit card portfolio sale closed on June 30,
1997.
- --------------------------------------------------------------------------------
/1/Source: Seventh Federal Reserve District Bank Holding Company Performance
Report as of September, 1998, page 13, Peer Group 04, Consolidated assets be-
tween $500 million and $1 billion, consisting of 109 bank holding companies.
                                                                              21
First Oak Brook Bancshares, Inc.
<PAGE>
 
 
Management Discussion and Analysis
 
- --------------------------------------------------------------------------------
 
The increase in other operating income of $123,000 was primarily attributable
to the recognition of a full year of ATM surcharge fees in 1998. This program
began in 1997 and therefore only a partial year of income was recognized.
 
1997 versus 1996
 
Service charges on deposit accounts increased $349,000 primarily due to an in-
crease in business account analysis fees.
 
Investment management and trust department income increased $372,000, primarily
due to an increase in assets under investment management, other new trust busi-
ness and the change in the billing cycle discussed above. Absent this change,
fee income would have increased $225,000 in 1997. Discretionary assets under
investment management grew $43 million to $134 million at December 31, 1997
from $91 million at December 31, 1996.
 
Merchant card processing fees increased $453,000 primarily due to several new
large volume merchants and continued marketing efforts. The number of merchants
serviced increased to 170 at year-end 1997 from 138 at year-end 1996. Merchant
interchange expense (in the other expense section) rose $386,000 in 1997.
 
The increase from the revenue sharing agreement of $450,000 represents a sepa-
rate component of the credit card portfolio sale which took place in June,
1997. This agreement allows for the Company to share in the income from the
sold portfolio through June of 2002 up to a maximum of $900,000 for each
twelve-month period.
 
The decrease in other operating income of $51,000 was principally attributable
to a decrease in rental income from the sale of the rented surplus property and
investment center fees offset by the introduction of ATM surcharge fees in July
1997.
 
Summary of Other Expenses
 
The following table summarizes significant components of other expenses and
percentage changes from year to year:
 
<TABLE>
<CAPTION>
                                                                     % Change
                                                              ---------------
(Dollars in thousands)                   1998    1997    1996 '98-'97 '97-'96
- -----------------------------------------------------------------------------
<S>                                   <C>     <C>     <C>     <C>     <C>
Salaries and employee benefits        $13,680 $12,293 $11,766    11%       4%
Occupancy expense                       1,566   1,457   1,430     7        2
Equipment expense                       1,906   1,566   1,737    22      (10)
Data processing fees                      776   1,301   1,625   (40)     (20)
Professional fees                         522     398     329    31       21
Postage, stationery and supplies          834     768     752     9        2
Advertising and business development    1,090   1,191   1,205    (8)      (1)
Merchant interchange expense              994     697     311    43      124
FDIC premiums                              81      78       2     4    3,800
Other operating expenses                  974     959   1,278     2      (25)
- -----------------------------------------------------------------------------
 Total                                $22,423 $20,708 $20,435     8%       1%
- -----------------------------------------------------------------------------
</TABLE>
 
1998 versus 1997
 
Other expenses rose $1,715,000 or 8% in 1998 over 1997. Salaries and employee
benefits increased $1,387,000 due to normal salary increases, a highly competi-
tive job market and increased requirements for staff in the new Aurora and Glen
Ellyn branches and other growing areas of the bank. These additional salaries
were partially offset by the elimination of salaries due to the sale of the
credit card portfolio in 1997.
 
Occupancy and equipment expenses increased $449,000 over 1997 due to the open-
ing of the new Aurora and Glen Ellyn branches, an upgrade to the mainframe com-
puter system, and the purchase of a new imaging system and check sorter during
1998.
 
Data processing fees decreased $525,000 and advertising and business develop-
ment decreased $101,000 due to the sale of the credit card portfolio in 1997.
 
Merchant interchange expense increased $297,000 due to new merchants and con-
tinued marketing efforts. Merchant card processing fees (in other income) rose
$365,000 in 1998.
 
Other operating expenses increased $15,000 primarily due to two "non-core"
items in 1997. During 1997, the Company recorded a gain on the sale of surplus
property of $515,000 which was included as a reduction of other expense. This
transaction was offset by a $300,000 contribution to the Oak Brook Bank Chari-
table Trust established in December 1997.
 
22
                                                First Oak Brook Bancshares, Inc.
<PAGE>
 
 
 
- -------------------------------------------------------------------------------
1997 versus 1996
 
Other expenses rose $273,000 or 1% in 1997 over 1996. Salaries and employee
benefits increased $527,000 as a result of normal raises, higher compensation
due to competitive market conditions, additional upgrades and increased staff
in the growing areas of the bank including indirect auto, merchant card
processing and commercial departments. This increase was offset by the elimi-
nation of salaries due to the sale of the credit card portfolio.
 
Equipment expense decreased $171,000 primarily due to lower depreciation ex-
pense, as certain assets became fully depreciated, and due to the write off of
equipment formerly used to process the credit card portfolio.
 
Data processing fees decreased $324,000 primarily as a result of the disposi-
tion of the credit card portfolio.
 
Other operating expenses decreased $319,000 primarily due to two non "core"
items. First, the Company recognized a pre-tax gain of $515,000 on the sale of
surplus property formerly leased to McDonald's Corporation. Secondly, the Com-
pany made a pre-tax contribution of $300,000 to the Oak Brook Bank Charitable
Trust established in December, 1997.
 
Income Tax Expense
 
Income taxes for 1998 totaled $3,907,000 as compared to $6,962,000 for 1997
and $2,429,000 in 1996. When measured as a percentage of income before income
taxes, the Company's effective tax rate was 29% for 1998 compared to 34% in
1997 and 25% in 1996. The decrease in the provision for income taxes and the
effective tax rate for 1998 as compared to 1997 was due to an additional $3.3
million tax provision recorded in 1997 on the gain on the sale of the credit
card portfolio.
- -------------------------------------------------------------------------------
 
Financial Condition
 
Liquidity
 
Effective management of balance sheet liquidity is necessary to fund growth in
earning assets and to pay liability maturities, depositors' withdrawal re-
quirements and shareholders' dividends.
 
The Company has numerous sources of liquidity including a portfolio of short-
er-term assets, readily marketable investment securities, the ability to at-
tract consumer time deposits and access to various borrowing arrangements.
 
Available borrowing arrangements are summarized as follows:
 
Subsidiary Bank:
 
 . Informal Federal funds lines aggregating $110 million with six correspondent
  banks, subject to continued good financial standing. As of December 31,
  1998, $64.4 million was available for use under these lines.
 
 . Reverse repurchase agreement lines totaling $150 million with two brokerage
  firms, subject to the availability of collateral and continued good finan-
  cial standing. As of December 31, 1998, $43.4 million was available to the
  Bank based upon the Bank's excess collateral available to pledge to these
  lines.
 
 . Additional advances from the Federal Home Loan Bank of Chicago are available
  based on the pledge of specific collateral and FHLB stock ownership. As of
  December 31, 1998, $10.7 million is available to the Bank under the FHLB's
  "Blanket Lien" agreement whereby the Bank is required to pledge one-to-four
  family residential loans. However the Bank is currently in the process of
  increasing the FHLB borrowing line by delivering certain large-dollar resi-
  dential loans to the FHLB which will result in an increased borrowing limit
  of approximately $10 million.
 
 . The Bank is in the process of establishing a $150 million line at the dis-
  count window of the Federal Reserve Bank. This will enable the Bank to ob-
  tain additional liquidity as part of the year 2000 contingency planning.
 
Parent Company:
 
 . Revolving credit arrangement for $5 million. The line is currently unused
  and matures on May 1, 1999. It is anticipated to be renewed annually. In ad-
  dition the Company is in the process of obtaining an increase to the line.
 
 . The parent company also had cash, short-term investments and other market-
  able securities totaling $5.8 million at December 31, 1998.
                                                                             23
First Oak Brook Bancshares, Inc.
<PAGE>
 
 
Management Discussion and Analysis
 
- --------------------------------------------------------------------------------
 
Interest Rate Sensitivity
 
Interest rate risk arises when the maturity or repricing of assets differs sig-
nificantly from the maturity or repricing of liabilities. The Company's finan-
cial results could be affected by changes in market interest rates such as the
prime rate, LIBOR and treasury yields as well as competitive rates for retail
deposit products. The objective of interest rate risk management is to provide
the maximum levels of net interest income while maintaining acceptable levels
of interest rate risk and liquidity risk. A number of measures are used to mon-
itor and manage interest rate risk, including income simulation, rate shock
analysis and interest sensitivity (gap) analysis.
 
An income simulation model is the primary tool used to assess the direction and
magnitude of changes in net interest income resulting from changes in interest
rates. The model incorporates management assumptions regarding the level of in-
terest rate or balance changes on indeterminate maturity deposit products
(passbook savings, money market, NOW and demand deposits) for a given level of
market rate changes. These assumptions are developed through historical analy-
sis. Additionally, changes in prepayment behavior of the mortgage related as-
sets in each rate environment are captured using estimates of prepayment speeds
for the portfolios. Other assumptions in the model include cash flows and matu-
rities of other financial instruments, changes in market conditions, loan vol-
umes and pricing, and customer preferences. These assumptions are inherently
uncertain and, as a result, the model cannot precisely estimate net interest
income or precisely predict the impact of higher or lower interest rates on net
interest income. Actual results will differ from simulated results due to tim-
ing, magnitude and frequency of interest rate changes and changes in market
conditions and management strategies, among other factors.
 
The Company's policy objective is to limit the change in annual net interest
income to 10% from an immediate and sustained parallel change in interest rates
(rate shock) of 200 basis points. As of December 31, 1998 and 1997, the Company
had the following estimated net interest income sensitivity profile. The impact
of planned growth and anticipated new business activities is not factored into
the calculation.
 
<TABLE>
<CAPTION>
                                                  1998              1997
                                       ---------------   ---------------
                                       -200 bp +200 bp   -200 bp +200 bp
<S>                                    <C>     <C>       <C>     <C>
Annual interest income change from an
 immediate change in rates              $789   $(1,629)   $630   $(2,169)
Percent change                           2.5%     (5.1)%   2.3%     (7.9)%
</TABLE>
 
The table below presents a static gap analysis as of December 31, 1998 which
does not fully capture the true dynamics of interest rate changes including the
timing and/or degree of interest rate changes. While most of the asset catego-
ries' rates change when certain independent indices (such as the prime rate)
change, most liability categories are repriced at the Company's discretion.
 
Interest Rate Sensitive Position
<TABLE>
<CAPTION>
                                           91-180    181-365     Over 1
(Dollars in thousands)       1-90 days       days       days       year    Total
- --------------------------------------------------------------------------------
<S>                          <C>         <C>        <C>        <C>      <C>
Rate sensitive assets:
 Interest-bearing deposits
  with banks                 $     542   $     --   $ 11,222   $     -- $ 11,764
 Taxable securities             69,536     26,790     20,152    125,675  242,153
 Tax exempt securities             780         --      2,287     52,454   55,521
 Loans, net of unearned
  discount                     202,524     37,502     78,500    313,461  631,987
- --------------------------------------------------------------------------------
  Total                      $ 273,382   $ 64,292   $112,161   $491,590 $941,425
- --------------------------------------------------------------------------------
  Cumulative total           $ 273,382   $337,674   $449,835   $941,425
- --------------------------------------------------------------------------------
Rate sensitive liabilities:
 Savings and NOW accounts/1/ $ 100,960   $  1,482   $  3,706   $ 71,424 $177,572
 Money market accounts          44,375         --         --         --   44,375
 Time deposits                 121,229     76,794    102,799     67,824  368,646
 Borrowings                     81,019         --      6,249     57,500  144,768
- --------------------------------------------------------------------------------
  Total                      $ 347,583   $ 78,276   $112,754   $196,748 $735,361
- --------------------------------------------------------------------------------
  Cumulative total           $ 347,583   $425,859   $538,613   $735,361
- --------------------------------------------------------------------------------
Cumulative gap               $ (74,201)  $(88,185)  $(88,778)  $206,064
- --------------------------------------------------------------------------------
Cumulative gap to total
 assets ratio                    (7.35)%    (8.74)%    (8.80)%
- --------------------------------------------------------------------------------
</TABLE>
/1/The decay assumptions on savings and NOW accounts are based on historical
analysis and experience.
24
                                                First Oak Brook Bancshares, Inc.
<PAGE>
 
 
 
- --------------------------------------------------------------------------------
 
Investment Securities
 
1998
 
The Company's investment portfolio decreased $4.4 million, or 1%, during 1998
to $297.7 million at year-end from $302.1 million at year-end 1997. The pro-
ceeds from the credit card portfolio sale in 1997 were primarily invested in
short-term Government agency securities. The 1998 proceeds from security matu-
rities, calls and paydowns were used to fund continued loan demand. The Company
continued its strategy to minimize state income taxes by primarily investing in
state income tax exempt U.S. Treasury and U.S. Government agency securities.
Due to the yield advantages, U.S. Government agency securities were favored
over their U.S. Treasury counterparts.
 
U.S. Treasury Securities: The Company reduced its holdings of U.S. Treasuries
by $20.2 million to $50.4 million at year-end from $70.6 million at year-end
1997. Proceeds from maturing U.S. Treasuries were used to fund loan demand. The
average maturity of the U.S. Treasury portfolio remained constant at 1.3 years.
 
U.S. Government Agency and Mortgage Backed Securities: The U.S. Government
agency securities (including U.S. Government agency mortgage backed securities
and agency collateralized mortgage obligations) portfolio decreased $29.9 mil-
lion in 1998 to $137.8 million at year-end from $167.7 million at year-end
1997. The decrease was mainly from the maturities, calls and paydowns of short
to medium term U.S. Government agency and mortgage-backed securities purchased
in 1997 with the proceeds from the sale of the credit card portfolio. In addi-
tion, to continue to minimize the Company's state tax liability, the majority
of U.S. Government securities purchased in 1998 were exempt from state income
taxes. The average maturity of this sector of the portfolio decreased to 2.4
years in 1998 from 3.8 years in 1997.
 
Municipal Securities: The Company's municipal security holdings increased $8.7
million to $56 million at year-end from $47.4 million at year-end 1997. Due to
their high yields, low credit risk, and pledgability for public deposits, mu-
nicipal securities remain attractive investments. All municipal securities held
are rated "A" or better by one or more of the national rating services or are
"non-rated" issues of local communities which, through the bank's own analysis,
are deemed to be of satisfactory quality.
 
Corporate and Other Securities: Holdings of corporate and other securities in-
creased $36.9 million to $53.4 million in 1998 from $16.5 million in 1997. The
growth was mainly from the investment in very short term corporate bonds at
year-end 1998 offset by significant paydowns on a corporate CMO purchased in
1997. The remainder of the portfolio consists primarily of $758,000 in pre-
ferred stocks held by the parent company and $4.8 million of Federal Home Loan
Bank stock.
 
1997
 
In 1997, the Company's investment portfolio increased $36.1 million or 14% to
$302.1 million. The increases were primarily in the U.S. Government agency sec-
tor of the portfolio. The Company continued its strategy to minimize current
and future income from state taxation by primarily investing in U.S. Treasury
and state income tax exempt U.S. Government agency securities and to improve
the portfolio's overall yield by increasing investment in U.S. Government
agency securities.
 
The following table sets forth the book values of investment securities held on
the dates indicated.
 
<TABLE>
<CAPTION>
Investments by Type (at book value)                       December 31,
(Dollars in thousands)                          1998     1997     1996
- ----------------------------------------------------------------------
<S>                                         <C>      <C>      <C>
U.S. Treasury                               $ 50,403 $ 70,614 $ 91,141
U.S. Government agencies                     102,797  113,730   65,278
Agency mortgage-backed securities             19,683   29,770   54,247
Agency collateralized mortgage obligations    15,310   24,154       --
State and municipal                           56,036   47,350   52,484
Corporates and other                          53,445   16,480    2,804
- ----------------------------------------------------------------------
 Total investment portfolio                 $297,674 $302,098 $265,954
- ----------------------------------------------------------------------
</TABLE>
 
At December 31, 1998 there are no investment securities of any one issuer in
excess of 10% of shareholders' equity other than securities of the U.S. Govern-
ment and its agencies.
                                                                              25
First Oak Brook Bancshares, Inc.
<PAGE>
 
 
Management Discussion and Analysis
 
- --------------------------------------------------------------------------------
 
The maturity distribution and weighted average yield of investment securities
at December 31, 1998 are presented in the following table:
 
Analysis of Investment Portfolio
<TABLE>
<CAPTION>
                                                                     Corporate and
                   U.S. Treasury  U.S. Government   State Municipal      Other
(Dollars in         Securities     & Agencies/1/       Securities      Securities
thousands)          Amount Yield     Amount  Yield   Amount Yield/2/   Amount Yield
- -----------------------------------------------------------------------------------
<S>                <C>     <C>    <C>       <C>     <C>     <C>      <C>      <C>
Maturities:
Within 1 year      $30,234 6.30%  $  18,390  6.35%  $ 6,681   5.60%  $ 47,574 5.41%
1-5 years           13,441 5.94      92,796  6.12    16,152   5.39         --   --
5-10 years           6,728 5.72      25,886  7.00    29,410   5.09        250 7.20
After 10 years          --   --         718  5.44     3,793   5.49   5,621/3/ 6.43
- -----------------------------------------------------------------------------------
                   $50,403 6.13%  $ 137,790  6.31%  $56,036   5.27%  $ 53,445 5.51%
- -----------------------------------------------------------------------------------
Average months to
 maturity               15               29              58                 2
- -----------------------------------------------------------------------------------
</TABLE>
/1/Included in U.S. Government agencies are agency mortgage-backed securities
(MBS) and agency collateralized mortgage obligations (CMOs). Given the amortiz-
ing nature of MBS and CMOs, the maturities presented in the table are based on
their estimated average lives at December 31, 1998. The estimated average lives
may differ from actual principal cash flows. Principal cash flows include pre-
payments and scheduled principal amortization.
/2/Yields on state and municipal securities are calculated on a tax-equivalent
basis using a tax rate of 34%.
/3/Included in this amount are preferred stocks and Federal Home Loan Bank of
Chicago stock, which have no maturity date and are not included in the average
months to maturity.
 
Loans
 
1998
 
At year-end 1998, loans outstanding, net of unearned discount, increased $184.6
million or 41% compared to 1997. Indirect auto loans, commercial and commercial
real estate loans led 1998 loan growth. In addition, the residential mortgage
and home equity loan portfolios posted increases.
 
Indirect automobile loans increased $59.5 million, or 56%, to $165.3 million in
1998. This increase is due to marketing initiatives and competitive loan pric-
ing. The Company does not buy subprime auto paper.
 
Commercial loans increased $54 million or 99% to $108.7 million in 1998 and
commercial mortgage loans increased $41 million or 56% to $114.4 million. These
increases were primarily due to additional marketing efforts and competitive
pricing.
 
Residential real estate loans increased $20.7 million or 21% due to increased
mortgage originations as a result of a declining interest rate environment and
competitive pricing. In 1998, the Company originated approximately $106 million
in new loans of which $53 million were retained in the portfolio and the other
$53 million were sold.
 
There were no loan concentrations exceeding 10% of total loans at December 31,
1998, which were not otherwise disclosed below.
 
1997
 
At year-end 1997, loans outstanding, net of unearned discount, increased $27.2
million or 6% compared to 1996. Indirect auto loans, commercial, home equity
and commercial real estate loans led the 1997 loan growth. Substantially all
credit card loans were sold during 1997.
 
Indirect automobile loans increased $47.2 million or 81% to $105.8 million in
1997 primarily due to additional marketing efforts and competitive pricing. The
Company does not buy subprime auto paper.
 
Commercial loans increased $13.8 million and commercial mortgage loans in-
creased $10 million primarily due to competitive pricing and successful market-
ing efforts.
 
Home equity loans increased $10 million or 18% to $65.3 million in 1997 primar-
ily due to successful mass marketing efforts.
 
There were no loan concentrations exceeding 10% of total loans at December 31,
1997, which are not otherwise disclosed below.
26
                                                First Oak Brook Bancshares, Inc.
<PAGE>
 
 
 
- --------------------------------------------------------------------------------
<TABLE>
<CAPTION>
Loans by Type                                                      December 31,
(Dollars in thousands)                 1998     1997     1996     1995     1994
- -------------------------------------------------------------------------------
<S>                                <C>      <C>      <C>      <C>      <C>
Commercial loans                   $108,685 $ 54,658 $ 40,895 $ 38,171 $ 33,351
Real estate loans--
 Construction and land acquisition
  loans                              41,640   36,525   35,902   28,770   14,789
 Commercial mortgage loans          114,373   73,376   63,394   55,437   56,149
 Residential mortgage loans         117,438   96,766   93,730   81,226   62,557
 Home equity loans                   73,149   65,273   55,297   47,357   47,192
Indirect automobile loans/1/        165,341  105,807   58,578   39,636   23,651
Consumer loans/2/                    11,780   14,932   14,993   14,784   13,416
Credit card loans                       213      631   58,114   58,592   59,984
- -------------------------------------------------------------------------------
                                   $632,619 $447,968 $420,903 $363,973 $311,089
Less:
 Unearned discount                      632      636      739    1,245    1,408
 Allowance for loan losses            4,445    4,329    4,109    3,932    3,859
- -------------------------------------------------------------------------------
Loans, net                         $627,542 $443,003 $416,055 $358,796 $305,822
- -------------------------------------------------------------------------------
</TABLE>
/1/Indirect automobile loans represent consumer auto loans made through a net-
work of new car dealers.
/2/Included in this amount are student loans, direct automobile loans and check
credit loans.
 
As evidenced by the previous table, loans secured by real estate comprise the
greatest percentage of total loans. Most of the Company's residential real es-
tate loans are secured by first mortgages and the home equity loans are secured
primarily by junior liens on one-to-four family residences in the Chicago Met-
ropolitan area. The Company generally limits total advances to a loan to value
ratio of eighty percent or less. Commercial mortgages are generally secured by
properties in the Chicago Metropolitan area.
 
The following table indicates the maturity distribution of selected loans at
December 31, 1998:
 
<TABLE>
<CAPTION>
Maturity Distribution of Selected Loans         One   One to     Over
                                            year or     five     five
(Dollars in thousands)                      less/1/    years    years    Total
- ------------------------------------------------------------------------------
<S>                                        <C>      <C>      <C>      <C>
Commercial loans                           $ 56,001 $ 40,780 $ 11,904 $108,685
Real estate--construction and land
 acquisition loans/2/                        26,004    6,676    8,960   41,640
Commercial and residential mortgage loans    14,272   56,090  161,449  231,811
Home equity loans                             5,922   67,227       --   73,149
- ------------------------------------------------------------------------------
                                           $102,199 $170,773 $182,313 $455,285
- ------------------------------------------------------------------------------
</TABLE>
/1/Includes demand loans.
/2/Included in construction loans is a $9.0 million loan that has been fully
disbursed to an escrow account. This loan is secured by building and construc-
tion that is expected to be completed during the first half of 1999.
 
The following table indicates, for the loans in the Maturity Distribution ta-
ble, the amounts due after one year which have fixed and variable interest
rates at December 31, 1998:
 
<TABLE>
<CAPTION>
                                                   Fixed Variable
(Dollars in thousands)                              Rate     Rate    Total
- --------------------------------------------------------------------------
<S>                                             <C>      <C>      <C>
Commercial loans                                $ 43,126 $  9,558 $ 52,684
Real estate--construction and land acquisition
 loans                                             8,960    6,676   15,636
Commercial and residential mortgage loans        154,636   62,903  217,539
Home equity loans                                 11,710   55,517   67,227
- --------------------------------------------------------------------------
                                                $218,432 $134,654 $353,086
- --------------------------------------------------------------------------
</TABLE>
                                                                              27
First Oak Brook Bancshares, Inc.
<PAGE>
 
 
Management Discussion and Analysis
 
- --------------------------------------------------------------------------------
 
Variable rate loans are those on which the interest rate can be adjusted for
changes in the Company's index rate (similar to prime rate), The Wall Street
Journal's published prime rate, U.S. Treasury securities, LIBOR or the brokers'
call money rate. Fixed rate loans are those on which the interest rate cannot
be changed during the term of the loan.
 
Deposits
 
At year-end 1998, total deposits increased $150 million or 24%, compared to
1997. This increase was primarily due to a $93.9 million increase in time de-
posits, which was the result of successful retail deposit promotions. In addi-
tion, through successful marketing, the Company increased noninterest-bearing
demand deposits, primarily business accounts, by $33.4 million at year-end,
1998. At December 31, 1998, there were no brokered deposits.
 
Average deposits for 1998 increased $92.6 million or 15% as compared to 1997.
The increase in average deposits is primarily due to a $18.9 million increase
in noninterest-bearing demand deposits, primarily business accounts, and a
$69.1 million increase in time deposits, primarily from 1998 retail promotions.
 
Average deposits for 1997 increased $26.1 million or 4% as compared to 1996.
The increase in average deposits is primarily due to a $14.4 million increase
in noninterest-bearing demand deposits, primarily business accounts, and a
$21.2 million increase in time deposits, primarily from public funds and 1996
retail promotions, offset by a $13.7 million decrease in savings deposits.
 
Average Deposits and Rate by Type
<TABLE>
<CAPTION>
                                       1998           1997           1996
(Dollars in thousands)               Amount Rate    Amount Rate    Amount Rate
- -------------------------------------------------------------------------------
<S>                                <C>      <C>   <C>      <C>   <C>      <C>
Noninterest-bearing demand
 deposits                          $170,146   --% $151,257   --% $136,866   --%
Savings deposits and NOW accounts   171,067 3.34   172,533 3.57   186,195 3.68
Money market accounts                40,139 3.24    34,071 3.20    29,865 3.01
Time deposits                       346,807 5.77   277,727 5.81   256,520 5.76
- -------------------------------------------------------------------------------
Total                              $728,159 3.71% $635,588 3.68% $609,446 3.70%
- -------------------------------------------------------------------------------
</TABLE>
 
As of December 31, 1998, the scheduled maturities of time deposits are as fol-
lows:
 
Maturity Distribution of Time Deposits
 
<TABLE>
<CAPTION>
      (Dollars in thousands)
     ----------------------------------------------------------------------------------
      <S>                                                                      <C>
      1999                                                                     $300,822
      2000                                                                       40,385
      2001                                                                        3,602
      2002                                                                       13,967
      2003                                                                        5,197
      2004 and thereafter                                                         4,673
     ----------------------------------------------------------------------------------
      Total                                                                    $368,646
     ----------------------------------------------------------------------------------
</TABLE>
 
Borrowings
 
Short-term borrowings, which include Federal funds purchased, securities sold
under agreements to repurchase and treasury, tax and loan demand notes, were
$87.3 million at December 31, 1998, up $22.2 million from $65.1 million at the
end of 1997. The 1998 increase was primarily due to an increase in Federal
funds purchased partially offset by a decline in the treasury tax and loan
notes. In 1997, short-term borrowings increased to $65.1 million from $55.2
million in 1996, primarily due to an increase in Federal funds purchased par-
tially offset by a decrease in securities sold under agreement to repurchase.
 
As a member of the Federal Home Loan Bank, the Bank may obtain advances secured
by certain of its residential mortgage loans and other assets. The Company sig-
nificantly expanded its utilization of the Federal Home Loan Bank advances due
to the comparatively favorable terms available. Borrowings increased to $57.5
million at December 31, 1998, from $42.5 million at December 31, 1997, up 35%.
There were no such borrowings outstanding at December 31, 1996. Borrowings ma-
ture from 2000 to 2008 and bear fixed interest rates ranging from 5.23% to
6.41%. See "Borrowings" note to the financial statements for additional infor-
mation.
 
28
                                                First Oak Brook Bancshares, Inc.
<PAGE>
 
 
 
- --------------------------------------------------------------------------------
Capital Resources
 
One of the Company's primary objectives is to maintain strong capital to war-
rant the confidence of our customers, shareholders and bank regulatory agen-
cies. A strong capital base is needed to take advantage of profitable growth
opportunities that arise and to provide assurance to depositors and creditors.
Banking is inherently a risk-taking activity requiring a sufficient level of
capital to effectively and efficiently manage inherent business risks. The
Company's capital objectives are to:
 
 . maintain sufficient capital to support the risk characteristics of the Com-
  pany and the Company's subsidiary bank; and
 
 . maintain capital ratios which meet and exceed the "well-capitalized" regula-
  tory capital ratio guidelines for the Company's subsidiary bank, thereby min-
  imizing regulatory intervention and lowering FDIC assessments.
 
At December 31, 1998, the Company achieved record shareholders' equity of $77.1
million. The Company's and its subsidiary bank's capital ratios not only ex-
ceeded minimum regulatory guidelines, but also the FDIC criteria for "well-cap-
italized" banks. As a result of loan growth, the risk weighted assets of the
Bank have increased resulting in a decrease in the Bank's capital ratios. The
Company is currently analyzing various sources of additional capital. See the
"Regulatory Capital" note to the financial statements for required disclosures.
 
In 1998, cash dividends declared totaled $2,282,000, a 33% increase from 1997.
The Board declared an increased quarterly cash dividend in October, 1998 based
on strong earnings and capital. The new quarterly dividend paid in January,
1999, on the Class A common and common stock was $.10 per share and $.0825 per
share, respectively. In 1997, cash dividends declared totaled $1,711,000, a 29%
increase from 1996.
 
On January 28, 1997, the Company's Board of Directors authorized a stock repur-
chase program. The program allowed the Company to repurchase up to 4%, or ap-
proximately 270,000 shares, of its Class A or common stock through mid-1998.
This program was completed in 1998.
 
On January 27, 1998, the Board of Directors authorized another stock repurchase
program. The program allows the Company to repurchase up to an additional
200,000 shares of its Class A common stock through mid-1999. Repurchases can be
made in the open market or through negotiated transactions from time to time
depending on market conditions. The stock, if repurchased, will be held as
treasury stock to be used for general corporate purposes. As of December 31,
1998, approximately 114,000 shares are available to be purchased; however, this
program may not be completed.
 
Year 2000 Compliance
 
The Company, through its subsidiary bank, established a Year 2000 Task Force
comprised of over thirty employees headed by senior officers from the Informa-
tion Technology and Legal Departments. In accordance with the guidelines estab-
lished by the Federal Financial Institutions Examination Council, the Task
Force developed a project plan consisting of five phases: Awareness and Plan-
ning, Assessment, Renovation, Validation and Implementation.
 
During the Awareness and Planning phase, the Company's Task Force was estab-
lished. The Task Force coordinated and developed a comprehensive plan to insure
that the Company's computer programs and systems become Year 2000 compliant.
The Task Force conducted a Company-wide survey of all hardware and software
programs and systems and designated a Task Force member to monitor Y2K compli-
ance. This monitoring function included contacting vendors regarding their Y2K
efforts and obtaining the vendors' certification that their systems are fully
tested and Year 2000 compliant. The systems were prioritized into mission crit-
ical, not-mission critical and, not-critical, and target dates for testing were
established.
 
During the second phase, Assessment, the Task Force identified and prioritized
all Bank systems and developed standard testing criteria. Mission critical sys-
tems were given highest priority. The Bank completed its assessment of all com-
puter programs and systems and physical facilities. Any new system acquired
will be tested and certified Year 2000 compliant prior to use. The Bank also
assessed the Year 2000 compliance of its corporate borrowers, pursuant to its
Year 2000 credit policy. The Bank established criteria for identifying, moni-
toring, and assessing the risks associated with its corporate borrowers' Year
2000 compliance.
 
During the Renovation phase, the Company continued to monitor the Year 2000 ef-
forts of its vendors and customers. Time lines were established for installa-
tion of vendor Year 2000 compliant system upgrades. The Bank's core data
processing system, a mission critical system, is run on an IBM AS400, process-
ing the Jack Henry Silverlake Software. The hardware is certified as Year 2000
compliant. The Bank tested the software during the week of February 8, 1999 and
the preliminary results indicate that the system performed all functions in
compliance with Year 2000; these results are consistent with the vendor's inde-
pendent tests, as well as, the assurances received from the vendor.
 
                                                                              29
First Oak Brook Bancshares, Inc.
<PAGE>
 
 
Management Discussion and Analysis
 
- --------------------------------------------------------------------------------
Also during the Renovation Phase, the Company estimated the costs for Year 2000
testing and replacement of systems not Year 2000 compliant. The Company esti-
mates that the out-of-pocket costs for testing will not exceed $100,000. Costs
not quantified are the number of internal man-hours expended to assess, test
and certify that the systems are Year 2000 compliant. The Company believes that
the costs will not have a material effect on its costs of operations. Due to
new releases of software provided by vendors, a number of systems became Year
2000 compliant, the costs of which were included under maintenance agreements.
The Company's telephone voice response system and application processing system
used for consumer auto loans and home equity credit lines, proved not to be
Year 2000 compliant. The Company purchased a Year 2000 compliant voice response
system and is currently negotiating the purchase of a new application process-
ing system. The preliminary initial costs to replace these non-compliant sys-
tems will be approximately $200,000. The Company will continue to expense costs
for Year 2000 compliance as they occur consistent with generally accepted ac-
counting principles.
 
The fourth phase, Validation, is still in process, as the Company is verifying
system test results, in particular, its mission critical core data processing
system. The validation of mission critical systems should be completed by April
30, 1999.
 
In the fifth and final phase, Implementation, the Company has been and will
continue implementing for internal use only those systems certified to be Year
2000 compliant. Contingency plans have been developed and completed for all
mission critical systems that were not fully validated. The Company has written
business resumption plans for all mission critical systems, and these plans
will be tested by June 30, 1999.
 
New Accounting Pronouncements
 
In June 1997, the Financial Accounting Standards Board (FASB) issued Statement
131, "Disclosures about Segments of an Enterprise and Related Information". The
provisions of this statement require disclosure of financial and descriptive
information about an enterprise's operating segments in annual and interim fi-
nancial reports issued to shareholders. The statement defines an operating seg-
ment as a component of an enterprise that engages in business activities that
generate revenue and incur expense, whose operating results are reviewed by the
chief operating decision maker in the determination of resource allocation and
performance, and for which discrete financial information is available. The
Company has determined that it does not have separate operating segments and
the disclosure requirements under this statement do not apply to the Company.
 
In June 1998, the FASB issued Statement 133, "Accounting for Derivatives and
Hedging Transactions" (Statement 133). Statement 133 establishes accounting and
reporting standards for derivative instruments, including certain derivative
instruments embedded in other contracts, collectively referred to as deriva-
tives, and for hedging activities. Statement 133 will not be effective for the
Company until 2000 and is not anticipated to have a material effect on the fi-
nancial statements of the Company.
 
In October 1998, the FASB issued Statement 134, "Accounting for Mortgage-Backed
Securities Retained after the Securitization of Mortgage Loans held for Sale by
a Mortgage Banking Enterprise" (Statement 134). Statement 134 requires that af-
ter the securitization of mortgage loans held for sale, an entity engaged in
mortgage banking activities classify the resulting mortgage-backed securities
or other retained interests based on its ability and intent to sell or hold
those investments, as described in Statement 115, "Accounting for Certain In-
vestments in Debt and Equity Securities". Statement 134 shall be effective for
fiscal years beginning after December 15, 1998 and is not expected to have a
material effect on financial statements of the Company.
30
                                                First Oak Brook Bancshares, Inc.
<PAGE>
 
 
Report of Independent Auditors
 
- --------------------------------------------------------------------------------
Board of Directors and Shareholders
First Oak Brook Bancshares, Inc.:
 
We have audited the accompanying consolidated balance sheet of First Oak Brook
Bancshares, Inc. and subsidiary as of December 31, 1998, and the related con-
solidated statements of income, changes in shareholders' equity, and cash flows
for the year then ended. These financial statements are the responsibility of
the Company's management. Our responsibility is to express an opinion on these
financial statements based on our audit. The accompanying consolidated finan-
cial statements of First Oak Brook Bancshares, Inc. and subsidiary as of Decem-
ber 31, 1997, and for each of the years in the two-year period ended December
31, 1997, were audited by other auditors whose report thereon dated January 20,
1998, expressed an unqualified opinion on those statements.
 
We conducted our audit in accordance with generally accepted auditing stan-
dards. Those standards require that we plan and perform the audit to obtain
reasonable assurance about whether the financial statements are free of mate-
rial misstatement. An audit includes examining, on a test basis, evidence sup-
porting the amounts and disclosures in the financial statements. An audit also
includes assessing the accounting principles used and significant estimates
made by management, as well as evaluating the overall financial statement pre-
sentation. We believe that our audit provides a reasonable basis for our opin-
ion.
 
In our opinion, the financial statements referred to above present fairly, in
all material respects, the consolidated financial position of First Oak Brook
Bancshares, Inc. and subsidiary as of December 31, 1998, and the results of
their operations and their cash flows for the year then ended in conformity
with generally accepted accounting principles.
 
/s/  KPMG LLP
 
Chicago, Illinois
February 5, 1999
                                                                              31
First Oak Brook Bancshares, Inc.

<PAGE>
 
 
Consolidated Balance Sheets
 
- --------------------------------------------------------------------------------
<TABLE>
<CAPTION>
                                                                December 31,
(Dollars in thousands)                                         1998      1997
- ------------------------------------------------------------------------------
<S>                                                      <C>         <C>
Assets
Cash and due from banks                                  $   41,759  $ 32,893
Federal funds sold                                              362        --
Interest-bearing deposits with banks                         11,402    10,239
Investment securities:
 Securities held-to-maturity, at amortized cost (fair
  value of $143,980 and $145,639 in 1998 and 1997,
  respectively)                                             141,253   142,682
 Securities available-for-sale, at fair value               156,421   159,416
Loans, net of unearned discount                             631,987   447,332
Less-allowance for loan losses                               (4,445)   (4,329)
- ------------------------------------------------------------------------------
 Net loans                                                  627,542   443,003
Premises and equipment, net                                  21,032    18,773
Other assets                                                  9,504     9,138
- ------------------------------------------------------------------------------
Total Assets                                             $1,009,275  $816,144
- ------------------------------------------------------------------------------
Liabilities and Shareholders' Equity
Noninterest-bearing demand deposits                      $  187,209  $153,806
Interest-bearing deposits:
 Savings deposits and NOW accounts                          177,572   166,040
 Money market accounts                                       44,375    33,139
 Time deposits
  Under $100,000                                            181,924   113,839
  $100,000 and over                                         186,722   160,939
- ------------------------------------------------------------------------------
Total interest-bearing deposits                             590,593   473,957
- ------------------------------------------------------------------------------
Total deposits                                              777,802   627,763
Federal funds purchased and securities sold under
 agreements to repurchase                                    83,586    52,608
Treasury, tax and loan demand notes                           3,682    12,508
Federal Home Loan Bank borrowings                            57,500    42,500
Other liabilities                                             9,644     9,104
- ------------------------------------------------------------------------------
Total Liabilities                                           932,214   744,483
- ------------------------------------------------------------------------------
Shareholders' Equity:
 Preferred stock, series B, no par value, authorized--
  100,000 shares, issued--none                                   --        --
 Class A common stock, $2 par value, (aggregate
  liquidation preference of $11,588 or $3.16 per share)
  authorized--10,000,000 shares in 1998 and 8,000,000
  shares in 1997, issued--4,019,902 shares in 1998 and
  3,972,814 shares in 1997, outstanding--3,666,902
  shares in 1998 and 3,736,814 shares in 1997                 8,040     7,946
 Common stock, $2 par value, authorized--6,000,000
  shares, issued--3,263,354 shares in 1998 and 3,297,792
  shares in 1997, outstanding--2,915,938 shares in 1998
  and 2,949,746 shares in 1997                                6,527     6,596
 Surplus                                                     11,955    11,802
 Accumulated other comprehensive income, net of taxes         2,263     1,644
 Retained earnings                                           54,406    47,258
 Less cost of shares in treasury, 353,000 and 236,000
  Class A common shares in 1998 and 1997, respectively
  and 347,416 and 348,046 common shares in 1998 and
  1997, respectively                                         (6,130)   (3,585)
- ------------------------------------------------------------------------------
Total Shareholders' Equity                                   77,061    71,661
- ------------------------------------------------------------------------------
Total Liabilities and Shareholders' Equity               $1,009,275  $816,144
- ------------------------------------------------------------------------------
</TABLE>
See accompanying notes to consolidated financial statements.
32
                                                First Oak Brook Bancshares, Inc.
<PAGE>
 
 
Consolidated Statements of Income
 
- --------------------------------------------------------------------------------
<TABLE>
<CAPTION>
(Dollars in thousands except per share amounts)      Year Ended December 31,
                                                        1998    1997     1996
- -----------------------------------------------------------------------------
<S>                                                  <C>     <C>      <C>
Interest income:
 Interest on loans                                   $40,811 $36,305  $36,163
 Interest on securities:
  U.S. Treasury and Government agencies               14,127  14,412   12,139
  Obligations of states and political subdivisions     2,574   2,517    2,848
  Other securities                                     1,314     631      366
 Interest on Federal funds sold and securities
  purchased under agreements to resell                 2,106     460      943
 Interest on deposits with banks                         764     362       13
- -----------------------------------------------------------------------------
Total interest income                                 61,696  54,687   52,472
Interest expense:
 Interest on savings deposits and NOW accounts         5,711   6,159    6,852
 Interest on money market accounts                     1,302   1,089      900
 Interest on time deposits                            20,016  16,125   14,786
 Interest on Federal funds purchased and securities
  sold under agreements to repurchase                  2,491   2,612    2,701
 Interest on treasury, tax and loan demand notes         523     489      357
 Interest on Federal Home Loan Bank borrowings         3,243     781       42
- -----------------------------------------------------------------------------
Total interest expense                                33,286  27,255   25,638
- -----------------------------------------------------------------------------
Net interest income                                   28,410  27,432   26,834
Provision for loan losses                                630   1,550    1,510
- -----------------------------------------------------------------------------
Net interest income after provision for loan losses   27,780  25,882   25,324
- -----------------------------------------------------------------------------
Other income:
 Service charges on deposit accounts                   3,190   2,730    2,381
 Investment management and trust fees                  1,048   1,025      653
 Merchant card processing fees                         1,329     964      511
 Income from revenue sharing agreement                   900     450       --
 Other operating income                                1,445   1,130    1,088
 Investment securities gains (losses), net                79      (9)      14
 Gain on sale of credit card portfolio                    --   9,251       --
- -----------------------------------------------------------------------------
Total other income                                     7,991  15,541    4,647
- -----------------------------------------------------------------------------
Other expenses:
 Salaries and employee benefits                       13,680  12,293   11,766
 Occupancy expense                                     1,566   1,457    1,430
 Equipment expense                                     1,906   1,566    1,737
 Data processing                                         776   1,301    1,625
 Postage, stationery and supplies                        834     768      752
 Advertising and business development                  1,090   1,191    1,205
 Merchant interchange expense                            994     697      311
 Other operating expenses                              1,577   1,435    1,609
- -----------------------------------------------------------------------------
Total other expenses                                  22,423  20,708   20,435
- -----------------------------------------------------------------------------
Income before income taxes                            13,348  20,715    9,536
Income tax expense                                     3,907   6,962    2,429
- -----------------------------------------------------------------------------
Net income                                           $ 9,441 $13,753  $ 7,107
- -----------------------------------------------------------------------------
Basic earnings per share                             $  1.42 $  2.09  $  1.06
- -----------------------------------------------------------------------------
Diluted earnings per share                           $  1.39 $  2.03  $  1.03
- -----------------------------------------------------------------------------
</TABLE>
See accompanying notes to consolidated financial statements.
                                                                              33
First Oak Brook Bancshares, Inc.
<PAGE>

Consolidated Statements of Changes in Shareholders' Equity
- --------------------------------------------------------------------------------
<TABLE>
<CAPTION>
                                           Class A
                                      Common Stock       Common Stock
(Dollars in thousands
except                                                                          Accumulated Other                             Total
share and per share                             Par                Par              Comprehensive Retained  Treasury  Shareholders'
amounts)                             Shares   Value     Shares   Value  Surplus Income net of tax Earnings     Stock         Equity
- -----------------------------------------------------------------------------------------------------------------------------------
<S>                               <C>        <C>     <C>        <C>     <C>     <C>               <C>       <C>       <C>
Balance at December 31, 1995      3,677,364  $7,354  3,390,374  $6,781  $10,368      $  356       $29,636   $  (733)     $53,762
- -----------------------------------------------------------------------------------------------------------------------------------
Comprehensive income, net of tax
 Net income                                                                                         7,107                  7,107
 Unrealized holding loss
  during the period of
  $73, net of
  reclassification
  adjustment for gain
  included in net income
  of $10                                                                                (83)                                 (83)
                                                                                                                         -------
Total comprehensive
 income                                                                                                                    7,024
Conversion of common
 stock into Class A
 common stock                        31,600      64    (31,600)    (64)
Dividends declared                                                                                 (1,324)                (1,324)
Exercise of stock
 options                                                23,502      48      104                       (24)                   128
Purchase of treasury
 stock (3,000 shares of
 common stock)                                                                                                  (37)         (37)
- -----------------------------------------------------------------------------------------------------------------------------------
Balance at December 31, 1996      3,708,964  $7,418  3,382,276  $6,765  $10,472      $  273       $35,395   $  (770)     $59,553
- -----------------------------------------------------------------------------------------------------------------------------------
Comprehensive income, net of tax
 Net income                                                                                        13,753                 13,753
 Unrealized holding gain
  during the period of
  $1,365, net of
  reclassification
  adjustment for loss
  included in net income
  of $6                                                                               1,371                                1,371
                                                                                                                         -------
Total comprehensive
 income                                                                                                                   15,124
Conversion of common
 stock into Class A
 common stock                       269,548     540   (269,548)   (540)
Dividends declared                                                                                 (1,711)                (1,711)
Exercise of stock
 options                             (5,698)    (12)   185,064     371    1,330                      (179)                 1,510
Purchase of treasury
 stock (2,992 shares of
 common and 236,000
 shares of Class A
 common)                                                                                                     (2,815)      (2,815)
- -----------------------------------------------------------------------------------------------------------------------------------
Balance at December 31, 1997      3,972,814  $7,946  3,297,792  $6,596  $11,802      $1,644       $47,258   $(3,585)     $71,661
- -----------------------------------------------------------------------------------------------------------------------------------
Comprehensive income, net of tax
 Net income                                                                                         9,441                  9,441
 Unrealized holding gain
  during the period of
  $681, net of
  reclassification
  adjustment for gain
  included in net income
  of $52                                                                                619                                  619
                                                                                                                         -------
Total comprehensive
 income                                                                                                                   10,060
Conversion of common
 stock into Class A
 common stock                        47,088      94    (47,088)    (94)
Dividends declared                                                                                 (2,282)                (2,282)
Exercise of stock
 options                                                12,650      25      153                       (11)        9          176
Purchase of treasury
 stock
 (470 shares of common
 and 117,000 shares of
 Class A common)                                                                                             (2,554)      (2,554)
- -----------------------------------------------------------------------------------------------------------------------------------
Balance at December 31, 1998      4,019,902  $8,040  3,263,354  $6,527  $11,955      $2,263       $54,406   $(6,130)     $77,061
- -----------------------------------------------------------------------------------------------------------------------------------
</TABLE>
See accompanying notes to consolidated financial statements.
34
                                                First Oak Brook Bancshares, Inc.
<PAGE>
 
 
Consolidated Statements of Cash Flows
 
- --------------------------------------------------------------------------------
<TABLE>
<CAPTION>
                                                    Year Ended December 31,
(Dollars in thousands)                               1998      1997      1996
- ------------------------------------------------------------------------------
<S>                                             <C>        <C>       <C>
Cash flows from operating activities:
 Net income                                     $   9,441  $ 13,753  $  7,107
 Adjustments to reconcile net income to net
  cash provided by operating activities:
  Gain on credit card portfolio sale                   --    (9,251)       --
  Depreciation and amortization                     2,056     1,762     1,904
  Discount accretion                               (1,398)     (839)     (557)
  Premium amortization                              1,255     1,500     1,843
  Provision for loan losses                           630     1,550     1,510
  Deferred taxes                                   (1,039)      233      (286)
  Investment securities (gains) losses                (79)        9       (14)
  Revenue sharing agreement                           919       543        --
  Increase in other assets                         (2,240)   (1,803)     (287)
  Increase in other liabilities                     1,260     2,553       889
  Amortization of intangible assets                    42        43        70
- ------------------------------------------------------------------------------
Net cash provided by operating activities          10,847    10,053    12,179
Cash flows from investing activities:
 Purchase of interest bearing deposits with
  banks                                                --   (10,177)       --
 Purchase of securities held-to-maturity          (66,156)  (80,742)  (50,330)
 Purchase of securities available-for-sale       (151,125)  (85,931)  (79,094)
 Proceeds from maturities, calls and paydowns
  of securities held-to-maturity                   68,121    32,382    41,898
 Proceeds from maturities, calls and paydowns
  of securities available-for-sale                 48,327    47,549    30,073
 Proceeds from sales of securities available-
  for-sale                                        106,417    52,005    46,293
 Proceeds from credit card portfolio sale              --    64,000        --
 Increase in loans                               (185,169)  (83,248)  (58,769)
 Additions to premises and equipment               (4,315)   (3,065)   (1,475)
- ------------------------------------------------------------------------------
Net cash used in investing activities            (183,900)  (67,227)  (71,404)
Cash flows from financing activities:
 Increase in demand deposits                       33,403     6,309    19,261
 Increase (decrease) in savings and NOW
  accounts                                         11,532   (14,043)  (11,880)
 Increase in money market accounts                 11,236     1,112     5,433
 Increase (decrease) in time deposits              93,868   (13,918)   80,403
 Increase (decrease) in Federal funds purchased
  and securities sold under agreements to
  repurchase                                       30,978     9,403   (11,452)
 Increase (decrease) in treasury, tax and loan
  demand notes                                     (8,826)      526     5,937
 Proceeds from Federal Home Loan Bank
  borrowings                                       42,500    42,500        --
 Repayment of Federal Home Loan Bank borrowings   (27,500)       --    (3,500)
 Purchase of treasury stock                        (2,554)   (2,815)      (37)
 Exercise of stock options                            176     1,510       128
 Cash dividends                                    (2,282)   (1,711)   (1,324)
- ------------------------------------------------------------------------------
Net cash provided by financing activities         182,531    28,873    82,969
- ------------------------------------------------------------------------------
Net increase (decrease) in cash and cash
 equivalents                                        9,478   (28,301)   23,744
Cash and cash equivalents at beginning of year     32,954    61,255    37,511
- ------------------------------------------------------------------------------
Cash and cash equivalents at end of year        $  42,432  $ 32,954  $ 61,255
- ------------------------------------------------------------------------------
Supplemental disclosures:
 Interest paid                                  $  32,697  $ 27,195  $ 24,495
 Income taxes paid                                  3,204     5,795     2,399
- ------------------------------------------------------------------------------
</TABLE>
See accompanying notes to consolidated financial statements.
                                                                              35
First Oak Brook Bancshares, Inc.
<PAGE>
 
 
Notes to Consolidated Financial Statements
 
- --------------------------------------------------------------------------------
Note 1. Summary of Significant Accounting Policies
 
The consolidated financial statements include the accounts of First Oak Brook
Bancshares, Inc. (the Company) and its wholly-owned subsidiary, Oak Brook Bank.
The accounting and reporting policies of the Company and its subsidiary conform
to generally accepted accounting principles and to general practice within the
banking industry.
 
The Company, through its subsidiary bank, operates in a single segment engaging
in general retail and commercial banking business, primarily in the Chicago
Metropolitan area. The services offered include demand, savings and time depos-
its, corporate cash management services, commercial lending products such as
commercial loans, mortgages and letters of credit, and personal lending prod-
ucts such as residential mortgages, home equity lines and auto loans. The sub-
sidiary bank has a full service investment management and trust department.
 
Use of Estimates: The preparation of the consolidated financial statements in
conformity with generally accepted accounting principles requires management to
make estimates and assumptions that affect the amounts reported in the consoli-
dated financial statements and accompanying notes. Actual results could differ
from those estimates.
 
Investment Securities: Securities are classified as held-to-maturity, avail-
able-for-sale or trading at the time of purchase. Securities are classified as
held-to-maturity when the Company has the positive intent and ability to hold
the securities to maturity. Held-to-maturity securities are stated at amortized
cost. All other securities are classified as available-for-sale and stated at
fair value, with the unrealized gains and losses, net of tax, reported as a
separate component of shareholders' equity. The Company does not carry any se-
curities for trading purposes.
 
The amortized cost of securities classified as held-to-maturity or available-
for-sale is adjusted for amortization of premiums to the earlier of maturity or
call date, and accretion of discounts to maturity, or in the case of mortgage-
backed securities, over the estimated life of the security. The cost of securi-
ties sold is based on the specific identification method.
 
Loan Fees and Related Costs: Loan origination and commitment fees and certain
direct loan origination costs are deferred and amortized as an adjustment of
the related loan's yield over the contractual life of the loan using the level-
yield method.
 
Allowance for Loan Losses: The allowance for loan losses is maintained at a
level believed adequate by management to absorb estimated probable loan losses.
Management's periodic evaluation of the adequacy of the allowance is based on
the Company's past loan loss experience, peer loan loss experience, known and
inherent risks in the portfolio, composition of the loan portfolio, current
economic conditions, and other relevant factors. Loans which are determined to
be uncollectible are charged off against the allowance for loan losses and re-
coveries of loans that were previously charged off are credited to the allow-
ance.
 
The Company's charge-off policy varies with respect to specific circumstances
surrounding each loan under consideration. The Company's policy with respect to
commercial, real estate, indirect auto and other loans is to charge-off on the
basis of management's ongoing evaluation of collectibility. In addition, any
loans which are classified as "loss" in regulatory examinations are charged
off.
 
The Company records specific valuation allowances on commercial, commercial
mortgage and construction loans when a loan is considered to be impaired. A
loan is impaired when, based on an evaluation of current information and
events, it is probable that the Company will not be able to collect all amounts
due (principal and interest) pursuant to the original contractual terms. The
Company measures impairment based upon the present value of expected future
cash flows discounted at the loan's original effective interest rate or the
fair value of the collateral if the loan is collateral dependent. Large groups
of homogeneous loans, such as residential mortgage, home equity, indirect auto
and consumer loans, are collectively evaluated for impairment. Interest income
on impaired loans is recognized using either the cash basis method or a cost
recovery method depending upon the circumstances.
 
Commercial, real estate, commercial mortgage and construction loans are placed
on nonaccrual status when the collectibility of the contractual principal or
interest is deemed doubtful by management or when the loan becomes 90 days or
more past due and is not well secured or in the process of collection.
 
Premises and Equipment: Premises, leasehold improvements and equipment are
stated at cost less accumulated depreciation and amortization. For financial
reporting purposes, depreciation is charged to expense by the straight-line
method over the estimated useful life of the asset. Leasehold improvements are
amortized over a period not exceeding the term of the lease, including renewal
option periods.
36
                                                First Oak Brook Bancshares, Inc.
<PAGE>
 
 
 
- --------------------------------------------------------------------------------
 
Income Taxes: The Company and its subsidiary file consolidated income tax re-
turns. The subsidiary provides for income taxes on a separate return basis and
remits to the Company amounts determined to be currently payable. Under this
method, deferred tax assets and liabilities are determined based on differences
between financial reporting and tax bases of assets and liabilities and are
measured using the enacted tax rates and laws that will be in effect when the
differences are expected to reverse.
 
Earnings Per Share: Basic earnings per share (EPS) is computed by dividing net
income by the weighted average number of common shares outstanding for the pe-
riod. Diluted EPS is computed by dividing net income by the weighted average
number of common shares adjusted for the dilutive effect of outstanding stock
options.
 
Stock Options: The Company accounts for stock options in accordance with Ac-
counting Principles Board Opinion No. 25, "Accounting for Stock Issued to Em-
ployees" (APB 25). Under APB 25, because the exercise price of the Company's
employee stock options equals the market price of the underlying stock on the
date of grant, no compensation expense is recognized.
 
Comprehensive Income: In June 1997, the FASB issued Statement 130, "Reporting
Comprehensive Income". This statement establishes standards for reporting the
components of comprehensive income and requires that all items that are re-
quired to be recognized under accounting standards as components of comprehen-
sive income be included in a financial statement that is displayed with the
same prominence as other financial statements. Comprehensive income consists of
net income and net unrealized gains (losses) on available-for-sale securities
and is presented in the Consolidated Statements of Changes in Stockholders' Eq-
uity. The Company adopted the provisions of this statement in 1998. These dis-
closure requirements had no impact on financial position or results of opera-
tions.
 
Cash and Cash Equivalents: For purposes of the Consolidated Statements of Cash
Flows, cash and cash equivalents include cash and due from banks, Federal funds
sold, and interest bearing deposits with banks with original maturities of 90
days or less.
 
Reclassifications: Certain amounts in the 1997 and 1996 consolidated financial
statements have been reclassified to conform to their 1998 presentation and re-
stated to give effect to the 100% stock dividend declared on July 21, 1998.
 
- --------------------------------------------------------------------------------
 
Note 2. Cash and Due From Banks
 
Cash and due from banks include reserve balances that the Company's subsidiary
bank is required to maintain with the Federal Reserve Bank of Chicago. These
required reserves are based principally on deposits outstanding. The average
reserves required for the years ended December 31, 1998 and 1997 were
$3,118,000 and $7,746,000, respectively.
                                                                              37
First Oak Brook Bancshares, Inc.
<PAGE>
 
 
Notes to Consolidated Financial Statements
 
- --------------------------------------------------------------------------------
Note 3. Investment Securities
 
The aggregate amortized cost and fair values of securities, and gross
unrealized gains and losses at December 31 follow:
 
<TABLE>
<CAPTION>
                                                                     1998                                      1997
                                Amortized Unrealized Unrealized      Fair Amortized Unrealized Unrealized      Fair
(Dollars in thousands)               Cost      Gains     Losses     Value      Cost      Gains     Losses     Value
- -------------------------------------------------------------------------------------------------------------------
<S>                             <C>       <C>        <C>         <C>      <C>       <C>        <C>         <C>
Securities available-for-sale:
 U.S. Treasury                   $ 34,329     $  466       $ --  $ 34,795  $ 41,245     $  210      $ (99) $ 41,356
 U.S. Government agencies          60,986      1,892         --    62,878    67,384      1,531         (4)   68,911
 Agency mortgage-backed
  securities                       12,871         85        (83)   12,873    18,763        110        (66)   18,807
 Agency collateralized
  mortgage obligations              9,481         66         (3)    9,544     6,633         57         (7)    6,683
 Obligations of states and
  political subdivisions           19,728        983         (1)   20,710    18,419        914         (4)   19,329
 Corporate and other
  securities                       15,570         51         --    15,621     4,330         --         --     4,330
- -------------------------------------------------------------------------------------------------------------------
  Total securities available-
   for-sale                      $152,965     $3,543       $(87) $156,421  $156,774     $2,822      $(180) $159,416
- -------------------------------------------------------------------------------------------------------------------
Securities held-to-maturity:
 U.S. Treasury                   $ 15,608     $  175       $ --  $ 15,783  $ 29,258     $  249      $  --  $ 29,507
 U.S. Government agencies          39,919      1,160         --    41,079    44,819      1,381        (10)   46,190
 Agency mortgage-backed
  securities                        6,810        115         (1)    6,924    10,963        197         (1)   11,159
 Agency collateralized
  mortgage obligations              5,766         28         (6)    5,788    17,471         63        (15)   17,519
 Obligations of states and
  political subdivisions           35,326      1,149        (80)   36,395    28,021        852        (93)   28,780
 Corporate and other
  securities                       37,824        187         --    38,011    12,150        334         --    12,484
- -------------------------------------------------------------------------------------------------------------------
  Total securities held-to-
   maturity                      $141,253     $2,814       $(87) $143,980  $142,682     $3,076      $(119) $145,639
- -------------------------------------------------------------------------------------------------------------------
</TABLE>
 
The amortized cost and fair values of investment securities at December 31,
1998, by contractual maturity, are shown below. Agency mortgage-backed securi-
ties and collateralized mortgage obligations are presented in the table based
on their estimated average lives, which will differ from contractual maturities
due to principal prepayments. Other securities include corporate collateralized
mortgage obligations, preferred stock and Federal Home Loan Bank of Chicago
stock, which have no stated maturity date.
 
 
<TABLE>
<CAPTION>
                                        Amortized     Fair
(Dollars in thousands)                       Cost    Value
- ----------------------------------------------------------
<S>                                     <C>       <C>
Securities available-for-sale:
 Due in one year or less                $ 39,439  $ 39,592
 Due after one year through five years    75,952    77,373
 Due after five years through ten years   31,239    33,011
 Over ten years                              765       824
 Other securities                          5,570     5,621
- ----------------------------------------------------------
                                        $152,965  $156,421
- ----------------------------------------------------------
Securities held-to-maturity:
 Due in one year or less                $ 63,287  $ 63,671
 Due after one year through five years    45,016    45,740
 Due after five years through ten years   29,263    30,812
 Over ten years                            3,687     3,757
- ----------------------------------------------------------
                                        $141,253  $143,980
- ----------------------------------------------------------
</TABLE>
 
At December 31, 1998, investment securities with a book value of $230,920,000
were pledged as collateral to secure certain deposits and for other purposes as
required by law.
38
                                                First Oak Brook Bancshares, Inc.
<PAGE>
 
 
 
- --------------------------------------------------------------------------------
 
Proceeds from sales of available-for-sale investments in debt and equity secu-
rities during 1998, 1997 and 1996 were $106,417,000, $52,005,000 and
$46,293,000 respectively. Gross gains of $81,000 and gross losses of $2,000
were realized on those sales in 1998. Gross gains of $194,000 and gross losses
of $203,000 were realized on those sales in 1997. Gross gains of $21,000 and
gross losses of $7,000 were realized on those sales in 1996.
- --------------------------------------------------------------------------------
 
Note 4. Loans
 
Loans outstanding at December 31 follow:
 
<TABLE>
<CAPTION>
(Dollars in thousands)                 1998      1997
- ------------------------------------------------------
<S>                                <C>       <C>
Commercial                         $108,685  $ 54,658
Real estate loans--
 Construction and land acquisition   42,342    36,525
 Commercial mortgage                113,671    73,376
 Residential mortgage               117,438    96,766
 Home equity loans                   73,149    65,273
Indirect automobile loans           165,341   105,807
Consumer loans                       11,993    15,563
- ------------------------------------------------------
 Total loans                        632,619   447,968
Less unearned discount                 (632)     (636)
- ------------------------------------------------------
 Loans, net of unearned discount   $631,987  $447,332
- ------------------------------------------------------
</TABLE>
 
The Company originates real estate, commercial and consumer loans primarily
within the Chicago Metropolitan area. Generally, real estate and consumer loans
are secured by various items of property such as first and second mortgages,
automobiles and cash collateral. Substantially all of the commercial portfolio
is secured by business assets.
 
Loans secured by residential real estate are expected to be paid by the borrow-
ers' cash flows or proceeds from the sale or refinancing of the underlying real
estate. Such loans are primarily secured by real estate within the Chicago Met-
ropolitan area. Performance of these loans may be affected by conditions influ-
encing the local economy and real estate market. However, the Company's loan
policy generally requires that the loan to value ratio should not exceed eighty
percent of the appraised value of the real estate.
 
In the normal course of business, there are various outstanding commitments and
contingent liabilities, including commitments to extend credit, that are not
reflected in the financial statements. The Company's exposure to credit loss in
the event of nonperformance by the other party to the commitments and lines of
credit is limited to their contractual amount. Many commitments to extend
credit expire without being used. Therefore, the amounts stated below do not
necessarily represent future cash commitments. These commitments (including
letters of credit) and credit lines are subject to the same credit policies
followed for loans recorded in the financial statements.
 
A summary of these commitments to extend credit at December 31 follows:
 
<TABLE>
<CAPTION>
(Dollars in thousands)                    1998     1997
- -------------------------------------------------------
<S>                                   <C>      <C>
Commercial                            $ 64,364 $ 46,831
Commercial mortgage                     39,973   37,834
Home equity                             94,500   80,338
Check credit                               872      969
- -------------------------------------------------------
Total commitments to extended credit  $199,709 $165,972
- -------------------------------------------------------
</TABLE>
 
An analysis of the allowance for loan losses follows:
 
<TABLE>
<CAPTION>
(Dollars in thousands)          1998     1997     1996
- -------------------------------------------------------
<S>                           <C>     <C>      <C>
Balance at beginning of year  $4,329  $ 4,109  $ 3,932
Provision for loan losses        630    1,550    1,510
Recoveries                       215      175      178
Charge-offs                     (729)  (1,505)  (1,511)
- -------------------------------------------------------
Balance at end of year        $4,445  $ 4,329  $ 4,109
- -------------------------------------------------------
</TABLE>
 
                                                                              39
First Oak Brook Bancshares, Inc.
<PAGE>
 
 
Notes to Consolidated Financial Statements
 
- --------------------------------------------------------------------------------
The Company had no nonaccrual loans or impaired loans, as defined, at December
31, 1998 or 1997. The average balance of impaired loans was $835,000 and
$2,127,000 for 1997 and 1996, respectively. There were no impaired loans during
1998. The Company did not recognize any interest income associated with im-
paired loans during 1998, 1997 or 1996. If interest had been accrued at its
original term, such income would have approximated $52,000 in 1997 and $101,000
in 1996.
- --------------------------------------------------------------------------------
 
Note 5. Premises and Equipment
 
A summary of premises and equipment at December 31 follows:
 
<TABLE>
<CAPTION>
(Dollars in thousands)                                         1998      1997
- ------------------------------------------------------------------------------
<S>                                                        <C>       <C>
Land                                                       $  3,552  $  3,272
Buildings and improvements                                   17,420    15,270
Construction in progress                                        724     1,347
Leasehold improvements                                          997       997
Data processing equipment, office equipment and furniture    13,073    10,739
- ------------------------------------------------------------------------------
                                                             35,766    31,625
Less accumulated depreciation and amortization              (14,734)  (12,852)
- ------------------------------------------------------------------------------
Premises and equipment, net                                $ 21,032  $ 18,773
- ------------------------------------------------------------------------------
</TABLE>
 
The Company has entered into a number of noncancellable operating lease agree-
ments for certain of its subsidiary bank's office premises. The minimum annual
net rental commitments under these leases at December 31, 1998, are as follows:
 
<TABLE>
<CAPTION>
        (Dollars
        in
        thousands)
        -----------------
        <S>          <C>
        1999         $144
        2000          100
        2001           48
        2002           33
        2003            8
        -----------------
                     $333
        -----------------
</TABLE>
 
Total rental expense for 1998, 1997 and 1996 was approximately $194,000,
$194,000 and $193,000 respectively, which included payment of certain occupancy
expenses as defined in the lease agreements.
 
The Company's aggregate future minimum net rentals to be received under
noncancellable leases from third party tenants which expire in 2001 are as fol-
lows:
 
<TABLE>
<CAPTION>
        (Dollars
        in
        thousands)
        -----------------
        <S>          <C>
        1999         $328
        2000          337
        2001          312
        -----------------
                     $977
        -----------------
</TABLE>
 
The Company also receives reimbursement from its tenants for certain occupancy
expenses including taxes, insurance and operational expenses, as defined in the
lease agreements.
 
40
                                                First Oak Brook Bancshares, Inc.
<PAGE>
 
 
 
- --------------------------------------------------------------------------------
Note 6. Borrowings
 
The Company's borrowings at December 31, 1998 and 1997 consisted of Federal
funds purchased, securities sold under repurchase agreements (repos), treasury,
tax and loan notes and Federal Home Loan Bank borrowings. The Federal funds
purchased generally represent one day borrowings obtained from correspondent
banks. The repos represent borrowings which have maturities within one year and
are secured by U.S. Treasury and agency securities. A summary of borrowings
follows:
 
<TABLE>
<CAPTION>
(Dollars in thousands)     1998        1997
- --------------------------------------------
 
Federal Home Loan Bank borrowings:
 
<S>                       <C>      <C>
At December 31            $57,500  $ 42,500
Average rate at year-end     5.72%     5.74%
- --------------------------------------------
</TABLE>
 
Federal funds purchased, repos and treasury, tax and demand notes:
 
<TABLE>
<S>                           <C>      <C>
At December 31                $87,268  $ 65,116
Average during the year        59,110    59,881
Maximum month-end balance      87,268    76,158
Average rate at year-end         5.09%     5.79%
Average rate during the year     5.10%     5.18%
- ------------------------------------------------
</TABLE>
 
Federal Home Loan Bank borrowings at December 31, 1998 follows (dollars in
thousands):
 
<TABLE>
<CAPTION>
                                 Interest
       Amount                        Rate                                   Maturity
      ----------------------------------------------------------------------------------------
       <S>                       <C>                                        <C>
       $ 5,000                     5.48%                                    February 22, 2000
         5,000                     5.71                                     June 18, 2002
         5,000                     6.41                                     September 25, 2002
        10,000                     5.84                                     February 19, 2003
         1,500                     5.43                                     November 20, 2003
        10,000                     5.97                                     February 19, 2005
        15,000                     5.23                                     January 12, 2008
         6,000                     6.04                                     February 19, 2008
      ----------------------------------------------------------------------------------------
       $57,500
      ----------------------------------------------------------------------------------------
</TABLE>
 
The borrowings due on February 22, 2000 and June 18, 2002 are callable on Feb-
ruary 21, 1999 and March 17, 1999 respectively.
 
The Company has adopted a collateral pledge agreement whereby the Company has
agreed to keep on hand, at all times, free of all other pledges, liens, and en-
cumbrances, first mortgage residential loans with unpaid principal balances ag-
gregating no less than 167% of the outstanding borrowings from the Federal Home
Loan Bank of Chicago (FHLB). All stock in the FHLB of Chicago, totaling $4.8
million and $3.8 million at December 31, 1998 and 1997, respectively, is
pledged as additional collateral for these borrowings.
 
The Company has a revolving credit arrangement with a third party unaffiliated
bank for $5 million which matures on May 1, 1999. The line was unused during
1998 and 1997.
                                                                              41
First Oak Brook Bancshares, Inc.
<PAGE>
 
 
Notes to Consolidated Financial Statements
 
- --------------------------------------------------------------------------------
Note 7. Income Taxes
 
The components of income tax expense for the years ended December 31 follow:
 
<TABLE>
<CAPTION>
(Dollars in thousands)           1998    1997   1996
- -----------------------------------------------------
<S>                           <C>      <C>    <C>
Current                       $ 4,946  $6,729 $2,715
Deferred provision (benefit)   (1,039)    233   (286)
- -----------------------------------------------------
 Total income tax expense     $ 3,907  $6,962 $2,429
- -----------------------------------------------------
</TABLE>
 
The net deferred tax assets (liabilities) at December 31 consisted of the fol-
lowing:
 
<TABLE>
<CAPTION>
(Dollars in thousands)                               1998   1997
- -----------------------------------------------------------------
<S>                                                <C>    <C>
Gross deferred tax liabilities:
 Unrealized gains on securities available-for-sale $1,193 $  847
 Accretion of discount on securities                  206    539
 Depreciation                                         713    653
 Amortization of intangible assets                     --      8
 Book over tax basis of land                          205    205
 Deferred loan costs                                  371    188
 Other, net                                           252    (21)
- -----------------------------------------------------------------
  Total deferred tax liabilities                    2,940  2,419
Gross deferred tax assets:
 Book over tax loan loss reserve                    1,763  1,717
 Revenue sharing agreement                            920     --
 Retirement plan                                      246    280
 Deferred expenses                                    265    156
- -----------------------------------------------------------------
  Total deferred tax assets                         3,194  2,153
- -----------------------------------------------------------------
  Net deferred tax assets (liabilities)            $  254 $ (266)
- -----------------------------------------------------------------
</TABLE>
 
No valuation allowance related to deferred tax assets has been recorded at De-
cember 31, 1998 and 1997 as management believes it is more likely than not that
the deferred tax assets will be fully realized.
 
The effective tax rates for 1998, 1997 and 1996 were 29.3%, 33.6% and 25.5% re-
spectively. Income tax expense was less than the amount computed by applying
the Federal statutory rate of 35% in 1998 and 1997 and 34% (for companies with
taxable income less than $10 million) in 1996 due to the following:
 
<TABLE>
<CAPTION>
(Dollars in thousands)                                    1998    1997    1996
- -------------------------------------------------------------------------------
<S>                                                     <C>     <C>     <C>
Tax expense at statutory rate                           $4,672  $7,250  $3,243
Increase (decrease) in taxes resulting from:
 Income from obligations of states and political
  subdivisions and certain loans not subject to Federal
  income taxes                                            (872)   (870)   (873)
 State income taxes                                        147     430      --
 Other, net                                                (40)    152      59
- -------------------------------------------------------------------------------
 Total income tax expense                               $3,907  $6,962  $2,429
- -------------------------------------------------------------------------------
</TABLE>
 
Note 8. Shareholders' Equity
 
Each share of Class A common stock is entitled to one-twentieth of one vote and
a cash dividend of at least 120% of the dividend declared on the common stock.
Holders of the Class A common stock, upon liquidation of the Company, are enti-
tled to receive an aggregate amount per share equal to the $3.16 offering price
of the Class A common stock before any amount is paid to holders of the common
stock. The common stock is convertible into Class A common stock on a one-for-
one basis at any time.
 
At December 31, 1998, the Company has reserved for issuance 657,248 shares of
common stock for the Stock Option Plan and 3,920,602 shares of Class A common
stock for conversions of common stock into Class A common stock.
 
42
                                                First Oak Brook Bancshares, Inc.
<PAGE>
 
 
 
- --------------------------------------------------------------------------------
Payment of dividends by the Company's subsidiary bank is subject to both Fed-
eral and state banking laws and regulations that limit the amount of dividends
that can be paid by the bank without prior regulatory approval. At December 31,
1998, $19,982,000 of undistributed earnings was available for the payment of
dividends by the subsidiary bank without prior regulatory approval.
 
On July 21, 1998, the Board declared a 100% stock dividend on Common and Class
A common stock which was distributed on September 3, 1998 to shareholders of
record on August 20, 1998. All share and per share amounts for each period pre-
sented have been restated to reflect the stock split effected in the form of a
dividend.
- --------------------------------------------------------------------------------
 
Note 9. Regulatory Capital
 
The Company and its bank subsidiary are subject to various regulatory capital
requirements administered by the Federal banking agencies. Failure to meet min-
imum capital requirements can initiate certain mandatory, and possibly addi-
tional discretionary, actions by regulators that, if undertaken, could have a
direct material effect on the Company's financial statements. Under capital ad-
equacy guidelines and the regulatory framework for prompt corrective action,
the Company and its bank subsidiary must meet specific capital guidelines that
involve quantitative measures of assets, liabilities, and certain off-balance
sheet items as calculated under regulatory accounting practices. Capital
amounts and classification are also subject to qualitative judgments by the
regulators about components, risk weightings, and other factors.
 
Regulations require the Company and its bank subsidiary to maintain minimum
amounts of total and Tier 1 capital, minimum ratios of total and Tier 1 capital
to risk-weighted assets, and a minimum ratio of Tier 1 capital to average as-
sets to ensure capital adequacy. Management believes, as of December 31, 1998
and 1997, that the Company and its bank subsidiary meet all capital adequacy
requirements to which they are subject.
 
The Company and its bank subsidiary's actual capital amounts and ratios are
presented in the following table. As of December 31, 1998 and 1997, the most
recent regulatory notification categorized the bank subsidiary as well capital-
ized. There are no conditions or events since that notification that management
believes have changed the institution's category.
 
<TABLE>
<CAPTION>
                                                    Capital Required To Be
                                           ---------------------------------
                                              Adequately
                                   Actual    Capitalized   Well Capitalized
                                       -------------------------------------
<S>                         <C>     <C>    <C>     <C>    <C>       <C>
(Dollars in thousands)       Amount Ratio   Amount Ratio     Amount   Ratio
- ----------------------------------------------------------------------------
As of December 31, 1998:
Total Capital (to Risk
 Weighted Assets)
 Consolidated               $79,242 10.80% $58,678     8% $  73,349      10%
 Oak Brook Bank              74,724 10.20   58,600     8     73,249      10
Tier 1 Capital (to Risk
 Weighted Assets)
 Consolidated               $74,798 10.20% $29,339     4% $  44,009       6%
 Oak Brook Bank              70,279  9.59   29,300     4     43,950       6
Tier 1 Capital (to Average
 Assets)
 Consolidated               $74,798  7.61% $39,290     4% $  49,113       5%
 Oak Brook Bank              70,279  7.16   39,247     4     49,059       5
 
As of December 31, 1997:
Total Capital (to Risk
 Weighted Assets)
 Consolidated               $74,317 14.55% $40,867     8% $  51,084      10%
 Oak Brook Bank              67,602 13.25   40,823     8     51,029      10
Tier 1 Capital (to Risk
 Weighted Assets)
 Consolidated               $69,988 13.70% $20,433     4% $  30,650       6%
 Oak Brook Bank              63,273 12.40   20,412     4     30,618       6
Tier 1 Capital (to Average
 Assets)
 Consolidated               $69,988  8.57% $32,650     4% $  40,812       5%
 Oak Brook Bank              63,273  7.76   32,625     4     40,781       5
- ----------------------------------------------------------------------------
</TABLE>
                                                                              43
First Oak Brook Bancshares, Inc.
<PAGE>
 
 
Notes to Consolidated Financial Statements
 
- --------------------------------------------------------------------------------
Note 10. Earnings Per Share
 
The following table sets forth the computation for basic and diluted earnings
per share for the years ended December 31, 1998, 1997, and 1996:
 
<TABLE>
<CAPTION>
                                                  1998        1997       1996
- -----------------------------------------------------------------------------
<S>                                         <C>        <C>         <C>
Net income                                  $9,441,000 $13,753,000 $7,107,000
- -----------------------------------------------------------------------------
Denominator for basic earnings per share-
 weighted average shares outstanding         6,649,075   6,583,356  6,729,702
Effect of diluted securities:
 Stock options issued to employees and
  directors                                    162,266     194,871    156,536
- -----------------------------------------------------------------------------
Denominator for diluted earnings per share   6,811,341   6,778,227  6,886,238
Earnings per share:
 Basic                                      $     1.42 $      2.09 $     1.06
 Diluted                                    $     1.39 $      2.03 $     1.03
- -----------------------------------------------------------------------------
</TABLE>
 
At December 31, 1998 there were on average 5,392 options outstanding that were
not included in diluted earnings per share because their effect would be
antidilutive. There were no such options at December 31, 1997 or 1996.
- --------------------------------------------------------------------------------
 
Note 11. Contingencies
 
The Company and its subsidiary bank are not subject to any material pending or
threatened legal actions as of December 31, 1998.
 
The Company is a party to a revenue sharing agreement in connection with the
sale in 1997 of the Company's credit card portfolio. Under this agreement, the
Company will share the revenue from the sold portfolio for each of the five
twelve month periods beginning July, 1997, subject to a maximum annual payment
of $900,000. Income recognized in accordance with the revenue sharing agreement
amounted to $900,000 in 1998 and $450,000 in 1997.
- --------------------------------------------------------------------------------
 
Note 12. Stock-Based Compensation
 
The Company has a nonqualified stock option plan for officers and directors.
Options may be granted at a price not less than the market value on the date of
grant, and are subject to a 3-year vesting for outside directors or a 5-year
vesting schedule for all others and are exercisable, in part, beginning at
least one year following the date of grant and no later than ten years from
date of grant.
 
Pro forma information regarding net income and earnings per share is required
by Statement No. 123 "Accounting for Stock-Based Compensation" and has been de-
termined as if the Company had accounted for its employee stock options under
the fair value method of that Statement. The fair value for these options was
estimated at the date of grant using a Black-Scholes option pricing model with
the following weighted-average assumptions for 1998, 1997 and 1996, respective-
ly: risk-free interest rates of 5.0%, 5.5% and 6.4%; dividend yields of 2.3%,
3.3% and 3.1%; volatility factor of the expected market price of the Company's
common stock of 30%, 18% and 18%; and a weighted-average expected life of the
option of 5 years.
 
The Black-Scholes option valuation model was developed for use in estimating
the fair value of traded options which have no vesting restrictions and are
fully transferable. In addition, option valuation models require the input of
highly subjective assumptions including expected stock price volatility. Be-
cause the Company's employee stock options have characteristics significantly
different from those of traded options, and because changes in the subjective
input assumptions can materially affect the fair value estimate, in manage-
ment's opinion, the existing models do not necessarily provide a reliable sin-
gle measure of the fair value of its employee stock options.
 
44
                                                First Oak Brook Bancshares, Inc.
<PAGE>
 
 
 
- -------------------------------------------------------------------------------
For the purposes of pro forma disclosures, the estimated fair value of the op-
tions is amortized to expense over the options' vesting period. The Company's
pro forma information follows (dollars in thousands, except for earnings per
share):
 
<TABLE>
<CAPTION>
                                                         1998    1997   1996
- ----------------------------------------------------------------------------
<S>                                                    <C>    <C>     <C>
Net income as reported                                 $9,441 $13,753 $7,107
Pro forma net income                                   $9,324 $13,692 $7,071
Earnings per share as reported:
 Basic                                                 $ 1.42 $  2.09 $ 1.06
 Diluted                                               $ 1.39 $  2.03 $ 1.03
Pro forma earnings per share:
 Basic                                                 $ 1.40 $  2.08 $ 1.05
 Diluted                                               $ 1.37 $  2.02 $ 1.02
Weighted-average fair value of options granted during
 the year:                                             $ 5.82 $  2.37 $ 2.23
- ----------------------------------------------------------------------------
</TABLE>
 
A summary of the Company's stock option activity, and related information for
the year ended December 31 follows:
 
<TABLE>
<CAPTION>
                                      1998                1997               1996
                                 Weighted-           Weighted-          Weighted-
                                   Average             Average            Average
                                  Exercise            Exercise           Exercise
                        Options      Price  Options      Price Options      Price
- ---------------------------------------------------------------------------------
<S>                     <C>      <C>       <C>       <C>       <C>      <C>
Outstanding at the
 beginning of the year  416,774   $ 8.48    619,238    $7.02   543,738    $6.03
Granted                  54,500    21.42      3,000    13.88   105,002    11.40
Exercised               (13,750)    8.00   (185,064)    3.55   (23,502)    2.76
Forfeited                (8,900)   12.29    (20,400)    9.90    (6,000)   10.25
- ---------------------------------------------------------------------------------
Outstanding at the end
 of the year            448,624   $ 9.99    416,774    $8.48   619,238    $7.02
- ---------------------------------------------------------------------------------
Exercisable at the end
 of the year            279,424   $ 7.59    226,694    $6.96   338,088    $4.63
- ---------------------------------------------------------------------------------
</TABLE>
 
Exercise prices for options outstanding as of December 31, 1998 ranged from
$2.62 to $24.00 per share. The weighted-average remaining contractual life of
those options is 6.3 years.
- -------------------------------------------------------------------------------
 
Note 13. Employee Benefit Plans
 
The Company has a 401(k) savings plan that allows eligible employees to defer
a percentage of their salary, not to exceed 10%, which will be matched by the
Company based on a formula tied to Company profits. The maximum Company lia-
bility is 4% of aggregate eligible salaries. For 1998, 1997 and 1996, the
Company's contributions to the plan were $287,000, $255,000, and $246,000, re-
spectively.
 
The Company also has a profit sharing plan, under which the Company, at its
discretion, could contribute up to the maximum amount deductible for the year.
The Company contributed $172,000 in 1998, $139,000 in 1997 and $128,000 in
1996.
 
The Company also entered into supplemental pension agreements with certain ex-
ecutive officers. Under these agreements, the Company is obligated to provide
at a prescribed retirement date, a supplemental pension based upon a percent-
age of executive officer's final base salary. For 1998, 1997, and 1996, the
Company's expense for this plan was $162,000, $154,000, and $146,000, respec-
tively.
 
During 1997, the Company adopted an executive deferred compensation plan. The
purpose of this non-qualified plan is to allow certain executive officers the
opportunity to maximize their elective contributions to the 401(k) savings
plan and provide contributions notwithstanding certain restrictions or limita-
tions in the Internal Revenue Code. The Company's expense for this plan was
$139,000 in 1998 and $37,000 in 1997.
                                                                             45
First Oak Brook Bancshares, Inc.
<PAGE>
 
 
Notes to Consolidated Financial Statements
 
- --------------------------------------------------------------------------------
Note 14. Related Party Transactions
 
The Company's bank subsidiary has made, and expects in the future to continue
to make, loans to the directors, executive officers and associates of the Bank
and the Company. Related party loans are made on substantially the same terms,
including interest rates and collateral, as those prevailing at the time for
comparable transactions with unrelated parties and do not involve more than
normal risk of collectibility. The aggregate amount of these loans was
$9,124,000 and $8,145,000 at December 31, 1998 and 1997, respectively. During
1998, new related party loans totaled $2,042,000 and repayments totaled
$1,063,000.
 
Certain principal shareholders of the Company are also principal shareholders
of Amalgamated Investments Company, parent of Amalgamated Bank of Chicago. The
Company's subsidiary bank periodically enters into loan participations with
Amalgamated Bank of Chicago. At December 31, 1997, the Company had outstanding
loan participations sold of $4,231,000 and no loan participations purchased
from Amalgamated Bank of Chicago. At December 31, 1998, there were no related
party loan participations.
- --------------------------------------------------------------------------------
 
Note 15. Fair Value of Financial Instruments
 
Fair Value of Financial Instruments: Statement of Financial Accounting Stan-
dards No. 107, "Disclosures about Fair Value of Financial Instruments," re-
quires the disclosure of the fair value of certain financial instruments. Fair
value of a financial instrument is defined as the amount at which the instru-
ment could be exchanged in a current transaction between willing parties other
than in a forced or liquidation sale. The following methods and assumptions
were used by the Company in estimating its fair value disclosures for financial
instruments:
 
 Cash and cash equivalents: The carrying amounts reported on the balance sheet
 for cash and short-term instruments approximate those assets' fair values.
 
 Interest-bearing deposits with banks: The fair value of interest-bearing de-
 posits with banks is estimated using a discounted cash flow calculation that
 utilizes interest rates currently being offered for similar maturities.
 
 Investment securities: Fair values for investment securities are based on
 quoted market prices.
 
 Loans: For variable rate loans that reprice frequently and with no signifi-
 cant change in credit risk, fair values are based on carrying amounts. The
 fair value for all other loans is estimated using discounted cash flow analy-
 ses, which use interest rates currently being offered for similar loans of
 similar credit quality. The fair value does not include potential premiums
 available in a portfolio sale.
 
 Accrued interest receivable: The carrying amounts of accrued interest receiv-
 able approximate fair value.
 
 Deposit liabilities: The fair values for certain deposits (e.g., interest and
 noninterest-bearing demand deposits, savings deposits and NOW accounts) are,
 by definition, equal to the amount payable on demand. The fair value esti-
 mates do not include the intangible value of the existing customer base. The
 carrying amounts for variable rate money market accounts approximate their
 fair values. Fair values for time deposits are estimated using a discounted
 cash flow calculation that applies interest rates currently being offered on
 time deposits to a schedule of aggregated expected monthly maturities.
 
 Short-term debt: The carrying amounts of Federal funds purchased, overnight
 repurchase agreements and Treasury, tax and loan demand notes approximate
 their fair values. The fair values of term repurchase agreements are esti-
 mated using a discounted cash flow calculation that utilizes interest rates
 currently being offered for similar maturities.
 
 Federal Home Loan Bank borrowings: The fair value of the Federal Home Loan
 Bank borrowings is estimated using a discounted cash flow calculation that
 utilizes interest rates currently being offered for similar maturities.
 
 Accrued interest payable: The carrying amounts of accrued interest payable
 approximate fair-value.
 
 Off-balance sheet instruments: Fair values for the Company's off-balance
 sheet instruments (letters of credit and lending commitments) are generally
 based on fees currently charged to enter into similar agreements.
 
 Limitations: The assumptions and estimates used in the fair value determina-
 tion process are subjective in nature and involve uncertainties and signifi-
 cant judgment and, therefore, fair values cannot be determined with preci-
 sion. Changes in assumptions could significantly affect these estimated val-
 ues.
 
46
                                                First Oak Brook Bancshares, Inc.
<PAGE>
 
 
 
- --------------------------------------------------------------------------------
The estimated fair values of the Company's significant financial instruments as
of December 31, 1998 and 1997, are as follows:
 
<TABLE>
<CAPTION>
                                                       1998             1997
                                           Carrying    Fair Carrying    Fair
(Dollars in thousands)                       Amount   Value   Amount   Value
- ----------------------------------------------------------------------------
<S>                                        <C>      <C>     <C>      <C>
Financial Assets
 Cash and due from banks and federal funds
  sold                                     $42,121  $42,121 $32,893  $32,893
 Interest-bearing deposits with banks       11,402   11,509  10,239   10,411
 Investment securities                     297,674  300,401 302,098  305,055
 Loans                                     631,987  633,822 447,332  447,438
 Accrued interest receivable                 6,636    6,636   6,998    6,998
Financial Liabilities
 Time deposits                             368,646  372,255 274,778  276,121
 Other deposits                            409,156  409,156 352,985  352,985
 Short-term debt                            87,268   87,276  65,116   65,103
 Federal Home Loan Bank borrowings          57,500   58,021  42,500   42,348
 Accrued interest payable                    3,513    3,513   2,924    2,924
Off-balance sheet commitments
 Commercial                                    --       134     --        90
 Home equity                                   --        81     --        93
 Check credit                                  --        17     --        20
- ----------------------------------------------------------------------------
</TABLE>
 
Note 16. Parent Company Only Financial Information
 
The following are the condensed balance sheets, statements of income and cash
flows for First Oak Brook Bancshares, Inc.:
 
Balance Sheets (Parent Company Only)
 
<TABLE>
<CAPTION>
                                                         December 31,
<S>                                                   <C>     <C>
(Dollars in thousands)                                   1998    1997
- ---------------------------------------------------------------------
Assets
 Cash and cash equivalents on deposit with subsidiary $ 4,993 $ 7,363
 Investment in subsidiary                              72,519  64,965
 Securities available-for-sale                            785     501
 Due from subsidiary                                      588     487
 Equipment, net                                            22      44
 Other assets                                             258      61
- ---------------------------------------------------------------------
  Total assets                                        $79,165 $73,421
- ---------------------------------------------------------------------
Liabilities and Shareholders' equity
 Other liabilities                                    $ 2,104 $ 1,760
- ---------------------------------------------------------------------
Total liabilities                                       2,104   1,760
 Shareholders' equity                                  77,061  71,661
- ---------------------------------------------------------------------
  Total Liabilities and Shareholders' equity          $79,165 $73,421
- ---------------------------------------------------------------------
</TABLE>
 
                                                                              47
First Oak Brook Bancshares, Inc.
<PAGE>
 
 
Notes to Consolidated Financial Statements
 
- --------------------------------------------------------------------------------
Statements of Income (Parent Company Only)
 
<TABLE>
<CAPTION>
                                                          Year Ended December
                                                                          31,
(Dollars in thousands)                                    1998    1997   1996
- -----------------------------------------------------------------------------
<S>                                                     <C>    <C>     <C>
Income:
 Dividends from subsidiary                              $5,425 $ 5,094 $2,108
 Other income                                            1,060   1,067  2,140
- -----------------------------------------------------------------------------
  Total income                                           6,485   6,161  4,248
- -----------------------------------------------------------------------------
Expenses:
Other expenses                                           2,158   2,978  2,740
- -----------------------------------------------------------------------------
  Total expenses                                         2,158   2,978  2,740
- -----------------------------------------------------------------------------
Income before income taxes and equity in undistributed
 net income of subsidiary                                4,327   3,183  1,508
 Income tax benefit                                        363     753    186
- -----------------------------------------------------------------------------
Income before equity in undistributed net income of
 subsidiary                                              4,690   3,936  1,694
 Equity in undistributed net income of subsidiary        4,751   9,817  5,413
- -----------------------------------------------------------------------------
Net income                                              $9,441 $13,753 $7,107
- -----------------------------------------------------------------------------
</TABLE>
 
Statements of Cash Flows (Parent Company Only)
 
<TABLE>
<CAPTION>
                                                         Year Ended December
                                                                         31,
(Dollars in thousands)                                   1998     1997    1996
- -------------------------------------------------------------------------------
<S>                                                    <C>     <C>      <C>
Cash flows from operating activities:
 Net income                                            $9,441  $13,753  $7,107
Adjustments to reconcile net income to net cash
 provided by operating activities:
  Depreciation                                             27       27      43
  Investment securities losses                            --       --        7
  Decrease (increase) in other assets                    (299)     (39)     22
  Increase in other liabilities                           332      599     371
  Decrease (increase) in due from subsidiary             (101)    (391)    714
  Equity in undistributed net income of subsidiary     (4,751)  (9,817) (5,413)
  Amortization of intangible assets                        29       43      70
  Other                                                   115       75     (48)
- -------------------------------------------------------------------------------
Net cash provided by operating activities               4,793    4,250   2,873
Cash flows from investing activities:
  Purchases of available-for-sale securities             (488)    (248) (7,157)
  Sales of available-for-sale securities                  240    1,493   7,125
  Additions to equipment                                   (5)     --      (38)
- -------------------------------------------------------------------------------
Net cash provided by (used in) investing activities      (253)   1,245     (70)
Cash flows from financing activities:
  Exercise of stock options                               176    1,510     128
  Purchase of treasury stock                           (2,554)  (2,815)    (37)
  Cash dividends                                       (2,282)  (1,711) (1,324)
  Capital contribution to subsidiary                   (2,250)  (2,000)    --
- -------------------------------------------------------------------------------
Net cash used in financing activities                  (6,910)  (5,016) (1,233)
  Net increase (decrease) in cash and cash equivalents (2,370)     479   1,570
  Cash and cash equivalents at beginning of year        7,363    6,884   5,314
- -------------------------------------------------------------------------------
Cash and cash equivalents at end of year               $4,993  $ 7,363  $6,884
- -------------------------------------------------------------------------------
</TABLE>
48
                                                First Oak Brook Bancshares, Inc.
<PAGE>
 
 
Corporate and Shareholder Information
 
- --------------------------------------------------------------------------------
Directors and Officers
Executive Officer Directors
Eugene P. Heytow, Chairman of the Board and Chief Executive Officer
Richard M. Rieser, Jr., President
Frank M. Paris, Vice Chairman
Non-Officer Directors
Miriam Lutwak Fitzgerald, M.D.
Stuart I. Greenbaum, Dean of Olin School of Business, Washington University
Michael L. Stein, Executive Vice President and Director, Brownson, Rehmus, &
 Foxworth, Inc. (Financial counseling)
Geoffrey R. Stone, Provost of the University of Chicago
Robert M. Wrobel, President, Amalgamated Bank of Chicago
 
Senior Corporate Officers
Rosemarie Bouman, Vice President and Chief Financial Officer
Mary C. Carnevale, Vice President and Chief Human Resources Officer
George C. Clam, Vice President and Chief Banking Officer
William E. Navolio, Vice President, General Counsel, and Secretary
- --------------------------------------------------------------------------------
Class A Common Stock
The Company's Class A Common Stock is listed on The Nasdaq Stock Market(R). As
of January 31, 1999, there were approximately 170 holders of record of Class A
Common Stock; however, the Company believes the number of beneficial owners is
substantially greater. Current market makers in the Class A Common Stock are
ABN AMRO Inc.; Everen Securities, Inc. and Howe Barnes Investments, Inc.
 
- --------------------------------------------------------------------------------
Corporate Office
The Corporate Office is located at 1400 Sixteenth Street, Oak Brook, Illinois
60523. The telephone number is (630) 571-1050. You can e-mail us at
[email protected].
- --------------------------------------------------------------------------------
Nasdaq Symbol for Class A Common Stock
FOBBA
 
- --------------------------------------------------------------------------------
Transfer Agent and Registrar
The Transfer agent and registrar is Oak Brook Bank, 1400 Sixteenth Street, Oak
Brook, Illinois 60523.
 
- --------------------------------------------------------------------------------
Annual Meeting
The Annual Meeting of Shareholders will be held at 10 a.m. on Tuesday, May 4,
1999, in the Conference Center at 1400 Sixteenth Street, Oak Brook, Illinois
60523.
Common Stock
The Company's Common Stock is traded in the over-the-counter market through
market makers. As of January 31, 1999, there were approximately 187 holders of
record of Common Stock.
 
Since the offering of the Class A Common Stock there has been limited trading
of the Common Stock; therefore, prices of the Common Stock are not shown. The
Common Stock is, however, convertible on a one-for-one basis into the Class A
Common Stock. As of January 31, 1999, a total of 2,103,206 shares of Common
Stock have been converted into Class A Common Stock.
 
- --------------------------------------------------------------------------------
Form 10-K
Any individual requesting a copy of the Company's 1998 Form 10-K Annual Report
filed with the Securities and Exchange Commission may obtain it without charge
by writing to Rosemarie Bouman, Vice President and Chief Financial Officer, at
the Corporate Office. The 1998 Form 10-K may also be obtained from the SEC's
EDGAR database which is directly linked to the Company's Web site at
http://www.obb.com.
 
First Oak Brook Bancshares, Inc.

<PAGE>
 
                                                                    EXHIBIT (21)
                                                                                

                        SUBSIDIARIES OF THE REGISTRANT
                                        
The Company's subsidiary is incorporated in the State of Illinois and does
business under its own name.

                             OAK BROOK BANK (100%)

<PAGE>
 
                                                                  EXHIBIT (23.1)


                    CONSENT OF CERTIFIED PUBLIC ACCOUNTANTS
                                        

The Board of Directors
First Oak Brook Banchares, Inc.:

We consent to incorporation by reference in the registration statements (No.'s
333-24145, 333-82800, 333-75025) on Form S-8 of First Oak Brook Bancshares,
Inc., of our report dated February 5, 1999, relating to the consolidated balance
sheet of First Oak Brook Bancshares, Inc. and subsidiary as of December 31,
1998, and the related statements of income, changes in stockholders' equity and
cash flows for the year then ended, which report appears in the December 31,
1998 annual report on Form 10-K of First Oak Brook Bancshares, Inc.

KPMG LLP

Chicago, Illinois
March 29, 1999

<PAGE>
 

                                                                    Exhibit 23.2

                        CONSENT OF INDEPENDENT AUDITORS

We consent to the incorporation by reference in the Registration Statement (Form
S-8 No. 33-24145) pertaining to First Oak Brook Bancshares, Inc. Employees'
Savings and Stock Ownership Plan, the Registration Statement (Form S-8 No. 33-
82800) pertaining to First Oak Brook Bancshares, Inc. 1987 Stock Option Plan and
the Registration Statement (Form S-8 No. 333-75025) pertaining to First Oak
Brook Bancshares, Inc. Amended and Restated 1987 Stock Option Plan of our report
dated January 20, 1998, with respect to the consolidated financial statements of
First Oak Brook Bancshares, Inc. included in this Annual Report (Form 10-K) for
the year ended December 31, 1998.

                                            Ernst & Young LLP

Chicago, Illinois
March 26, 1999



<TABLE> <S> <C>

<PAGE>


<ARTICLE> 9
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM SEC FORM
10-K AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH FINANCIAL STATEMENTS.
</LEGEND>
<MULTIPLIER> 1,000
       
<S>                             <C>                     <C>
<PERIOD-TYPE>                   12-MOS                   12-MOS
<FISCAL-YEAR-END>                          DEC-31-1998             DEC-31-1997
<PERIOD-START>                             JAN-01-1998             JAN-01-1997
<PERIOD-END>                               DEC-31-1998             DEC-31-1997
<CASH>                                          41,759                  32,893
<INT-BEARING-DEPOSITS>                          11,402                  10,239
<FED-FUNDS-SOLD>                                   362                       0
<TRADING-ASSETS>                                     0                       0
<INVESTMENTS-HELD-FOR-SALE>                    156,421                 159,416
<INVESTMENTS-CARRYING>                         141,253                 142,682
<INVESTMENTS-MARKET>                           143,980                 145,639
<LOANS>                                        631,987                 447,332
<ALLOWANCE>                                      4,445                   4,329
<TOTAL-ASSETS>                               1,009,275                 816,144
<DEPOSITS>                                     777,802                 627,763
<SHORT-TERM>                                    87,268                  92,616
<LIABILITIES-OTHER>                              9,644                   9,104
<LONG-TERM>                                     57,500                  15,000
                                0                       0
                                          0                       0
<COMMON>                                        14,567                  14,542
<OTHER-SE>                                      62,494                  57,119
<TOTAL-LIABILITIES-AND-EQUITY>               1,009,275                 816,144
<INTEREST-LOAN>                                 40,811                  36,305
<INTEREST-INVEST>                               18,015                  17,560
<INTEREST-OTHER>                                 2,870                     822
<INTEREST-TOTAL>                                61,696                  54,687
<INTEREST-DEPOSIT>                              27,029                  23,373
<INTEREST-EXPENSE>                              33,286                  27,255
<INTEREST-INCOME-NET>                           28,410                  27,432
<LOAN-LOSSES>                                      630                   1,550
<SECURITIES-GAINS>                                  79                     (9)
<EXPENSE-OTHER>                                 22,423                  20,708
<INCOME-PRETAX>                                 13,348                  20,715
<INCOME-PRE-EXTRAORDINARY>                      13,348                  20,715
<EXTRAORDINARY>                                      0                       0
<CHANGES>                                            0                       0
<NET-INCOME>                                     9,441                  13,753
<EPS-PRIMARY>                                     1.42                    2.09
<EPS-DILUTED>                                     1.39                    2.03
<YIELD-ACTUAL>                                    3.43                    3.97
<LOANS-NON>                                          0                       0
<LOANS-PAST>                                       272                     378
<LOANS-TROUBLED>                                     0                       0
<LOANS-PROBLEM>                                      0                       0
<ALLOWANCE-OPEN>                                 4,329                   4,109
<CHARGE-OFFS>                                      729                   1,505
<RECOVERIES>                                       215                     175
<ALLOWANCE-CLOSE>                                4,445                   4,329
<ALLOWANCE-DOMESTIC>                             4,445                   4,329
<ALLOWANCE-FOREIGN>                                  0                       0
<ALLOWANCE-UNALLOCATED>                              0                       0
        


</TABLE>

<PAGE>
 
                                                                    EXHIBIT (99)

                        Report of Independent Auditors


Board of Directors and Shareholders
First Oak Brook Bancshares, Inc.

We have audited the accompanying consolidated balance sheet of First Oak Brook
Bancshares, Inc. and subsidiary as of December 31, 1997, and the related
consolidated statements of income, changes in shareholders' equity, and cash
flows for each of the two years in the period ended December 31, 1997. These
financial statements are the responsibility of the Company's management. Our
responsibility is to express an opinion on these financial statements based on
our audits.

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

In our opinion, the financial statements referred to above present fairly, in
all material respects, the consolidated financial position of First Oak Brook
Bancshares, Inc. and subsidiary at December 31, 1997 and the consolidated
results of their operations and their cash flows for each of the two years in
the period ended December 31, 1997, in conformity with generally accepted
accounting principles.


ERNST & YOUNG LLP

Chicago, Illinois
January 20, 1998


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