GOLD BANC CORP INC
POS AM, 1999-05-05
NATIONAL COMMERCIAL BANKS
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<PAGE>
 
     As filed with the Securities and Exchange Commission on May 5, 1999.
 
                                                     Registration No. 333-65539
- -------------------------------------------------------------------------------
- -------------------------------------------------------------------------------
 
                      SECURITIES AND EXCHANGE COMMISSION
                            Washington, D.C. 20549
 
                                --------------
 
                           POST-EFFECTIVE AMENDMENT
                                   NO. 1 ON
                                   FORM S-3
                                  TO FORM S-4
                            REGISTRATION STATEMENT
                                     Under
                                      The
                            Securities Act of 1933
 
                                --------------
 
                          GOLD BANC CORPORATION, INC.
            (Exact name of Registrant as specified in its charter)
 
                Kansas                               48-1008593
    (State or other jurisdiction of               (I.R.S. Employer
    incorporation or organization)               Identification No.)
 
                               11301 Nall Avenue
                             Leawood, Kansas 66211
                                (913) 451-8050
  (Address, including zip code, and telephone number, including area code of
                   Registrant's principal executive office)
 
                              MICHAEL W. GULLION
                            Chief Executive Officer
                          Gold Banc Corporation, Inc.
                               11301 Nall Avenue
                             Leawood, Kansas 66211
                                (913) 451-8050
(Name, address, including zip code, and telephone number, including area code,
                             of agent for service)
 
                                  Copies to:
  STEVEN F. CARMAN, ESQ.   MICHAEL M. STEWART, ESQ.     STEVEN KAPLAN, ESQ.
 Blackwell Sanders Peper      Crowe & Dunlevy, a          Arnold & Porter
        Martin LLP               Professional         Thurman Arnold Building
   Two Pershing Square           Corporation          555 Twelfth Street, N.W.
 2300 Main Street, Suite    1800 Mid-America Tower    Washington, D.C. 20004-
           1000               20 North Broadway                 1202
  Kansas City, Missouri    Oklahoma City, Oklahoma         (202) 942-5998
          64108                   73102-8273            Fax: (202) 942-5999
      (816) 983-8153            (405) 235-7747
   Fax: (816) 983-9153       Fax: (405) 272-5238
 
   Approximate date of commencement of proposed sale to the public: As soon as
possible after the Registration Statement becomes effective.
   If the only securities being registered on this Form are to be offered
pursuant to dividend or interest reinvestment plans, please check the
following box. [_]
   If any of the securities being registered on this Form are to be offered on
a delayed or continuous basis pursuant to Rule 415 under the Securities Act of
1933, other than securities offered only in connection with dividend or
interest reinvestment plans, check the following box. [X]
   If this Form is filed to register additional securities for an offering
pursuant to Rule 462(b) under the Securities Act, please check the following
box and list the Securities Act registration statement number of the earlier
effective registration statement for the same offering. [_]
   If this Form is a post-effective amendment filed pursuant to Rule 462(c)
under the Securities Act, check the following box and list the Securities Act
registration statement number of the earlier effective registration statement
for the same offering. [_]
   If delivery of the prospectus is expected to be made pursuant to Rule 434,
please check the following box. [_]
 
                                --------------
 
   The Registrant hereby amends this Registration Statement on such date or
dates as may be necessary to delay its effective date until the Registrant
shall file a further amendment which specifically states that this
Registration Statement shall thereafter become effective in accordance with
Section 8(a) of the Securities Act of 1933 or until the Registration Statement
shall become effective on such date as the Commission, acting pursuant to said
Section 8(a), may determine.
 
- -------------------------------------------------------------------------------
- -------------------------------------------------------------------------------
<PAGE>
 
                                EXPLANATORY NOTE
 
   Gold Banc Corporation, Inc. (the "Registrant") hereby amends its
Registration Statement on Form S-4 (File No. 333-65539) (the "Form S-4"), by
filing this Post-Effective Amendment No. 1 on Form S-3 to the Form S-4 relating
to 3,920,292 shares of the Registrant's common stock, par value $1.00. All
shares covered hereby were received by the former stockholders of Citizens
Bancorporation, Inc. (the "Selling Stockholders") in connection with the merger
of Citizens with and into a wholly-owned subsidiary of the Registrant. Such
shares were previously registered on the Form S-4 and are being transferred to
this Post-Effective Amendment No. 1 on Form S-3 to the Form S-4 pursuant to the
provisions of Rule 401(e) and the procedure described therein. All filing fees
payable in connection with the registration of these securities were previously
paid by the Registrant in connection with the filing of the Form S-4.
 
   This Registration Statement contains two forms of prospectus. One prospectus
will be used in connection with an underwritten offering of 751,045 shares
(plus up to 112,655 shares covered by the underwriter's over-allotment option)
by certain Selling Stockholders (the "Underwritten Prospectus") and one to be
used in connection with a non-underwritten offering of up to 3,056,592 shares
from time to time by the remaining Selling Stockholders (the "Non-Underwritten
Prospectus"). The Underwritten Prospectus and the Non-Underwritten Prospectus
will be identical in all respects except that they will contain different front
and back cover pages and different information appearing under the following
headings:
 
  . Prospectus Summary--The Offering;
 
  . Selling Stockholders;
 
  . Underwriting (replaced by Plan of Distribution in the Non-Underwritten
    Prospectus); and
 
  . Legal Matters.
 
   The Underwritten Prospectus is included herein and is followed by those
pages to be used in the Non-Underwritten Prospectus which differ from those in
the Underwritten Prospectus. Each of the pages for the Non-Underwritten
Prospectus included herein are labeled "Alternate Page for Non-Underwritten
Prospectus."
<PAGE>

                             Preliminary Prospectus
                   Subject to Completion--Dated May   , 1999
 
                                 751,045 Shares
[LOGO]                    Gold Banc Corporation, Inc.
 
                                  Common Stock
 
                                  -----------
 
                       Listed on: Nasdaq National Market
                              Trading Symbol: GLDB
                      Closing price on May   , 1999: $
 
                                  -----------
 
      Certain stockholders of Gold Banc Corporation, Inc. propose to sell
               shares of Gold Banc Corporation, Inc. common stock
 
 
 Consider             Gold Banc Corporation, Inc.--
 carefully the          
 "risk factors"         . We are a multi-bank holding   
 beginning on             company that offers, through  
 page    in this          our subsidiaries, a full range
 prospectus.              of community banking and      
                          related financial services to 
 Neither the              customers in Kansas, Oklahoma 
 Securities and           and Missouri.                  
 Exchange         
 Commission nor         . We will not receive any  
 any state                proceeds from the sale of
 securities               these shares.             
 commission has         
 approved or            . We will pay all expenses other
 disapproved of           than those paid by the selling
 these securities         stockholders.                  
 or passed upon         
 the adequacy or        . We will indemnify the selling
 accuracy of this         stockholders and the         
 prospectus. Any          underwriter against certain  
 representation           liabilities.                  
 to the contrary        
 is a criminal        Selling Stockholders--            
 offense.               . The selling stockholders may  
                          sell 751,045 shares and have
 Our common stock         granted the underwriter an  
 is not a deposit         option to purchase up to    
 account of any           112,655 additional shares to
 bank, and is not         cover over-allotments.       
 insured to any                        
 extent by the         . The selling stockholders will
 Federal Deposit         pay:                          
 Insurance        
 Corporation or          (a) all underwriting fees,   
 any other                   discounts or commissions; 
 governmental            
 agency.                 (b) any fees and expenses in     
                             excess of $1,500 (per       
 The underwriter             amendment or supplement) in 
 is offering the             order to amend or supplement
 shares of common            the registration statement  
 stock subject to            or prospectus to reflect    
 prior sale,                 donees or pledgees;          
 when, as and if                        
 delivered to and        (c) any expenses to conduct
 accepted by the             sales efforts; and      
 underwriter. The 
 underwriter has         (d) their own counsel's fees. 
 the right to            
 reject orders in       . The selling stockholders are 
 whole or in              named individually in this   
 part. The                prospectus.                  
 underwriter            
 expects that the       . The selling stockholders will
 selling                  indemnify us and the         
 stockholders             underwriter against certain  
 will deliver             liabilities.                  
 certificates          
 representing the      
 common stock,         
 against payment 
 against the     
 certificates, on
 or about        
           , 1999
 at the offices  
 of Advest, Inc.,
 New York, New   
 York.            
 
 
<TABLE>
<CAPTION>
                         Price to Public Underwriting Discount Proceeds to Selling Stockholders
                         --------------- --------------------- --------------------------------
<S>                      <C>             <C>                   <C>
Per Share...............      $
Total...................      $
</TABLE>
 
  The selling stockholders have granted the underwriter an option to purchase
up to 112,655 additional common shares at the price to public less underwriting
discounts and commissions solely to cover over-allotments, if any. If the
underwriter exercises such option in full, the total price to public,
underwriting discount and commissions and proceeds to the selling stockholders
will be $       , $        and $          , respectively.
 
  We, along with the selling stockholders, have agreed to indemnify the
underwriter against certain liabilities, including certain liabilities under
the Securities Act of 1933. See "Underwriting." The proceeds to the selling
stockholders are before the deduction of offering expenses payable by the
selling stockholders that we estimate will be approximately $5,000.
 
                                  Advest, Inc.
 
                         Prospectus dated May    , 1999

 
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
+The information in this prospectus is not complete and may be changed. We may +
+not sell these securities until the registration statement filed with the     +
+Securities and Exchange Commission is effective. This prospectus is not an    +
+offer to sell these securities and it is not soliciting an offer to buy these +
+securities in any state where the offer or sale is not permitted.             +
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++


<PAGE>
 
 
 
 
                                      MAP
 
 
 
 
JOHNSON COUNTY,     TULSA,               PITTSBURG,          ST. JOSEPH,
KANSAS              OKLAHOMA             KANSAS              MISSOURI
 
 
 
 
(SHAWNEE AND        Growing city of      University-based    Regional business
LEAWOOD) Suburb     760,000 people.      economy and         hub serving
of Kansas City      Diversified          regional trade      northwest
and a county that   economy, strong      center for          Missouri. Solid
has one of the      in technology and    southeast Kansas.   economy with core
country's           aviation.            Firm                strength in
fastest-growing     Southeastern         manufacturing       manufacturing.
business sectors.   Tulsa hosts          base and small      Metropolitan area
Population of       thousands of         business            population of
417,000 and ranks   small businesses.    community. County   97,000.
in the top 1% of                         population of
counties in the                          36,000 plus 6,400
nation in per                            students.
capita income
(based on 1996
Census Bureau
statistics).
 
                                       2
<PAGE>
 
                               PROSPECTUS SUMMARY
 
   This summary does not contain all of the information that may be important
to you. You should carefully read this prospectus, and all other information
that is incorporated by reference into this prospectus, in its entirety before
you decide to invest in our common stock.
 
                          Gold Banc Corporation, Inc.
 
Overview
 
   We provide a full-range of community banking and related financial services
at 28 locations in Kansas, Oklahoma and Missouri. As a multi-bank holding
company, we own nine commercial banks, one federal savings bank, an investment
advisory company, a trust company, a computer services business and an
insurance agency. Since December 1978, we have grown internally and through
acquisitions from a one bank holding company with $2.9 million in total assets
to a bank holding company with ten banks and four non-bank subsidiaries, with
$1.1 billion in total assets at December 31, 1998. A significant amount of our
growth occurred in 1998, during which we acquired 6 banks operating in 13
locations with $514.7 million in total assets. Our growth has been based on a
community banking strategy, which we believe our customers value because it
combines a focus on local communities with the breadth in product and service
offerings of a larger bank.
 
Community Banking Strategy
 
   Our strategy is to build responsive community banking offices with local
decision making authority. To implement this strategy, each of our subsidiary
banks maintains its own distinct local identity, complete with local decision
makers who are empowered, with certain limitations, to make credit decisions.
 
   We view each subsidiary bank president as the head of a financial services
center, where a primary focus is serving small to medium-sized businesses and
their owner-operators. These customers value one-stop shopping which we offer
through our bank subsidiaries. More than 80 percent of our loans in Johnson
County, Kansas and Tulsa, Oklahoma (our two largest markets) are provided to
local businesses. Each subsidiary bank maintains a local board of directors
that helps support the vital role our subsidiary banks play in identifying and
fulfilling the different needs of locally owned businesses in their respective
communities.
 
   One of our goals is to create a more efficient organization within the
framework of our community banking philosophy. While each of our subsidiary
banks operates separately, we are centralizing certain management and
administrative functions, including data processing, human resources and
regulatory administration, in order to take advantage of economies of scale.
Following our acquisition of CompuNet Engineering, Inc. in the first quarter of
1999, CompuNet will administer our consolidated back office operations,
including the operation of our data and call centers for all of our subsidiary
banks. We also provide direction for our subsidiary banks in areas of budget,
asset/liability and investment portfolio management and credit review. We feel
centralizing these functions, which involve little contact with our customers,
will allow us to run our business more efficiently, help lower our operating
expenses and enable our bank employees to focus on customer service and
community involvement.
 
Geographic Growth into Metropolitan Areas
 
   While we continue to operate in select county seat towns, our market
strategy increasingly focuses on larger growing Midwestern suburbs and cities
and on serving the thousands of small-to-medium-sized businesses and their
owner operators located in these communities that are responsible for driving
much of this growth. Reflective of our increasing focus on vibrant metropolitan
markets, as of December 31, 1998,
 
                                       3
<PAGE>
 
approximately 66 percent of our assets were deployed in four markets which
support a large base of small-to-medium sized businesses:
 
  . Johnson County, Kansas;
 
  . Tulsa, Oklahoma;
 
  . Pittsburg, Kansas; and
 
  . St. Joseph, Missouri.
 
   We believe that a recent wave of acquisitions of local banks in these
communities by larger, more regional competitors and the conversion of these
bank franchises to branch locations of much larger entities which has resulted
in the elimination of local decision making have caused a number of customers
of these locations to become dissatisfied. This has created an opportunity for
us to attract and retain loan customers whose businesses require flexibility
and responsiveness in lending decisions and a more personalized banking
relationship.
 
Growth into Non-Bank Services
 
   In addition to our growth in assets, deposits and geographic locations, we
have also expanded our product and service offerings as well. We provide more
than traditional deposit accounts and loans. Since the beginning of 1998, we
have added three non-bank businesses to further our objective of becoming a
complete financial services provider for small-to-medium sized businesses and
their owner operators and other customers. We now offer:
 
  . Investment management and retail brokerage services through Midwest
    Capital Management, Inc.;
 
  . Business and personal insurance through Gold Banc Financial Services,
    Inc.; and
 
  . Trust services and employee benefit accounts, including 401(k) plans,
    through The Trust Company.
 
   In addition, through our acquisition of CompuNet, we now offer certain
technology services to financial institutions and other businesses. CompuNet
designs, implements, integrates and administers local and wide area computer
networks and also provides such technology services as Y2K compliance support,
Internet solutions and video conferencing.
 
Growth into New Technology
 
   We continue to employ new technologies to serve and retain customers.
Through the use of two-way videoconferencing, our bank customers have the
opportunity to visit one-on-one with our non-bank professionals while in the
familiar convenience of their own local bank. During the second quarter of 1999
we expect to premier our Internet banking system which, in addition to our
Interactive Voice Response telephone system, allows our bank customers
convenient 24-hour remote access to their account information. We believe these
services are important to certain of our banking customers, including small-
business owners, and provide an opportunity to strengthen and develop
relationships with these customers.
 
Growth through Acquisitions
 
   In addition to internal growth, we will continue to look for opportunities
to grow through acquisitions of community banks or non-bank providers of
financial services located in metropolitan areas and county seat towns in our
targeted market area. We believe that there will continue to be owners of small
community banks that will be interested in selling their banks to an
organization such as ours that has strong capital, a broad array of products
and services, management talent, and a commitment to retaining the local
identities of its subsidiaries. Other reasons that banks may continue to be
willing to sell are a lack of liquidity in the stock of the company and an
increasing cost associated with upgrading technology and maintaining compliance
with
 
                                       4
<PAGE>
 
bank regulations. We will continue to look to acquire banks with strong
existing management teams so that our strategies can be implemented within the
existing management structures, boards of directors and bank charters that are
in place at these banks.
 
   Our principal executive office is located at 11301 Nall Avenue, Leawood,
Kansas 66211, and our telephone number is (913) 451-8050.
 
                                  The Offering
 
The Securities being      
 Offered..................  751,045 shares of common stock.
 
Shares of Common Stock
 Outstanding Before the
 Offering.................  17,181,618 shares.
                          
 
Shares of Common Stock
 Outstanding After the
 Offering.................  17,181,618 shares.
 
The Estimated Net
 Proceeds to Selling
 Stockholders.............  Approximately $           million. Assumes the
                            underwriter does not exercise the over-allotment
                            option to purchase up to 112,655 additional shares.
 
Dividends on Our Common     
 Stock....................  Since the second quarter of 1997, we have paid
                            quarterly cash dividends on the shares of our
                            common stock. See "Price Range of Common Stock and
                            Dividends."

 
The Use of Proceeds.......  We will not receive any of the proceeds from the
                            sale of common stock being offered by this
                            prospectus.
 
Nasdaq National Market      
 Symbol...................  Our common stock is quoted on the Nasdaq National
                            Market under the symbol "GLDB."
                            
                                  Risk Factors
 
   Before purchasing the securities offered by this prospectus you should
carefully consider the "Risk Factors" beginning on page   .
 
                                       5
<PAGE>
 
                      SELECTED CONSOLIDATED FINANCIAL DATA
 
   The following is our selected consolidated financial information. This
information has been restated to include acquisitions accounted for as poolings
of interests and per share information has been restated to reflect a two-for-
one stock split of our common stock in 1998. You should read this selected
consolidated financial information in conjunction with our consolidated
financial statements and notes that appear in our Annual Report on Form 10-K
for 1998 that is incorporated by reference into this prospectus. See "Where You
Can Find More Information."
 
<TABLE>
<CAPTION>
                                 At or for the Years Ended December 31,
                             --------------------------------------------------
                                1998       1997      1996      1995      1994
                             ----------  --------  --------  --------  --------
                                (In thousands, except per share data and
                                                ratios)
<S>                          <C>         <C>       <C>       <C>       <C>
Selected Results of
 Operations
 Interest income...........  $   75,196  $ 55,531  $ 44,652  $ 37,356  $ 32,173
 Interest expense..........      39,588    27,975    24,282    20,123    17,788
 Net interest income.......      35,608    27,556    20,370    17,233    14,385
 Provision for loan losses.       2,781     2,130     1,262     1,812       581
 Non-interest income.......       8,778     4,753     4,179     3,322       917
 Non-interest expense......      28,079    17,478    16,047    14,118    10,156
 Net income (1)............       9,122     8,295     4,906     3,105     3,132
Per Share Data
 Net income (basic and
  diluted) (1).............  $     0.55  $   0.54  $   0.45  $   0.30  $   0.29
 Book value................        4.88      4.19      3.47      2.69      2.23
 Cash dividend (2).........       0.075     0.045       --        --        --
Selected Balance Sheet Data
 Total assets..............  $1,111,356  $824,464  $632,561  $532,044  $453,065
 Loans, net of unearned
  income...................     723,364   545,531   408,258   321,866   271,148
 Allowance for loan losses.      10,752     7,736     5,322     4,486     3,678
 Investment securities.....     229,520   164,534   148,637   140,984   138,967
 Goodwill..................      13,328     3,205     3,257     3,409       --
 Deposits..................     926,687   697,163   549,507   466,327   391,514
 Long-term debt............      78,708    35,174     7,074    14,973    14,631
 Stockholders' equity......      83,811    66,566    53,120    28,875    24,479
Performance Ratios (3)
 Return on average assets
  (1)......................        0.93%     1.13%     0.85%     0.65%     0.74%
 Return on average equity
  (1)......................       11.59%    13.07%    13.63%    10.93%    13.47%
 Efficiency ratio..........       67.50%    58.34%    69.80%    75.08%      --
 Net interest margin.......        4.11%     4.14%     3.95%     3.99%     3.83%
 Net interest spread.......        3.67%     3.58%     3.52%     3.56%     3.45%
 Dividend payout (2).......       10.56%     7.03%      --        --        --
Asset Quality Ratios
 Allowance for loan losses
  to non-performing loans..      290.59%   673.28%   752.76%   227.02%   361.65%
 Net charge-offs to average
  loans....................        0.21%     0.10%     0.12%     0.34%     0.05%
 Allowance for loan losses
  to total loans...........        1.46%     1.40%     1.29%     1.37%     1.34%
Capital Ratios
 Tier 1 risk-based capital
  ratio (4)................       12.03%    14.11%    13.59%     6.93%     7.67%
 Total risk-based capital
  ratio (4)................       13.42%    15.41%    14.85%     8.19%     8.94%
 Leverage ratio............        8.80%    11.00%     8.14%     5.27%     5.14%
</TABLE>
- --------
(1) Net earnings and earnings per share in 1998 and 1997 of $9,122 and $8,295
    and $0.55 and $0.54, respectively, include pro forma adjustments for income
    taxes on the earnings of Citizens Bancorporation, Inc., a Subchapter S
    corporation we acquired in 1998. Actual earnings and earnings per share
    unadjusted for income taxes on Citizens' earnings for 1998 and 1997, were
    $11,919 and $9,874 and $0.71 and $0.64, respectively. Additionally, the
    return on average assets and return on average equity ratios are shown on a
    proforma basis to reflect an adjustment for income taxes on Citizens'
    earnings for 1998 and 1997. Returns on average assets for 1998 and 1997 on
    an actual basis were 1.22% and 1.35%, respectively. Returns on an average
    equity for 1998 and 1997 on an actual basis were 15.14% and 15.56%,
    respectively.
 
                                       6
<PAGE>
 
(2) Prior to the second quarter of 1997, we had not paid cash dividends on
    shares of our common stock. The dividends paid and dividend payout ratio do
    not reflect a restatement of dividends paid prior to 1998 by entities we
    acquired in pooling of interests transactions in 1998.
(3) Ratios are annualized where appropriate.
(4) Tier 1 risk-based and total risk-based capital ratios for the years ended
    1996, 1995 and 1994 are not restated to reflect subsidiaries we acquired in
    pooling of interests transactions in 1998.
 
                                       7
<PAGE>
 
                              RECENT DEVELOPMENTS
 
Selected Financial and Other Data
 
   The following tables set forth historical financial and other data at the
dates and for the periods indicated. Financial data as of March 31, 1999, and
for the three months ended March 31, 1999 and 1998, are unaudited. In the
opinion of our management, all adjustments (consisting only of normal recurring
accruals) necessary for a fair presentation have been included. The data for
the three months ended March 31, 1999, are not necessarily indicative of what
our results of operations will be for the year ending December 31, 1999, or for
any other period.
 
                 Consolidated Condensed Statement of Condition
 
<TABLE>
<CAPTION>
                                                   As  of           As of
                                               March 31, 1999 December 31, 1998
                                               -------------- -----------------
                                                (unaudited)       (audited)
                                                    (dollars in thousands)
<S>                                            <C>            <C>
Cash and due from banks.......................   $   31,230      $   36,305
Interest-bearing deposits and fed funds.......       69,482          62,798
Loans, net of allowance for loan losses.......      737,033         723,364
Investment securities.........................      241,105         229,520
Premises and equipment........................       28,193          26,183
Goodwill......................................       17,061          13,328
Other assets..................................       23,493          19,858
                                                 ----------      ----------
    Total assets..............................   $1,147,597      $1,111,356
                                                 ==========      ==========
Deposits......................................   $  950,025      $  926,687
Short-term borrowings.........................       22,520          14,212
Other borrowings and long-term debt...........       50,244          49,958
Other liabilities.............................        9,505           7,938
Guaranteed preferred beneficial interest in
 subordinated debt............................       28,750          28,750
Total stockholders' equity....................       86,553          83,811
                                                 ----------      ----------
    Total liabilities and stockholders'
     equity...................................   $1,147,597      $1,111,356
                                                 ==========      ==========
</TABLE>
 
                                       8
<PAGE>
 
                      Selected Consolidated Operating Data
 
<TABLE>
<CAPTION>
                                                           For the Three Months
                                                              Ended March 31,
                                                           ---------------------
                                                              1999       1998
                                                           ---------- ----------
                                                                (unaudited)
                                                                (dollars in
                                                                thousands,
                                                             except per share
                                                                   data)
<S>                                                        <C>        <C>
Interest income........................................... $   20,646 $   16,795
Interest expense..........................................     10,960      8,834
                                                           ---------- ----------
    Net interest income...................................      9,686      7,961
Provision for loan losses.................................        496        810
                                                           ---------- ----------
Net interest income after provision for loan losses.......      9,190      7,151
Non-interest income:
  Service charges.........................................        908        655
  Gain on sale of mortgage loans..........................        156        225
  Gain on sale of securities..............................        167          1
  Investment trading fees & commissions...................        976        691
  Other...................................................      1,104        338
                                                           ---------- ----------
    Total non-interest income.............................      3,311      1,910
Non-interest expense:
  Salaries and employee benefits..........................      3,865      2,975
  Occupancy expense.......................................      1,287        768
  Federal deposit insurance premiums......................         17         21
  Other...................................................      2,601      1,788
                                                           ---------- ----------
    Total non-interest expense............................      7,770      5,552
Income before income taxes................................      4,731      3,509
Income tax expense (1)....................................      1,649      1,176
                                                           ---------- ----------
    Net income............................................ $    3,082 $    2,333
                                                           ========== ==========
Basic and diluted earnings per share (2).................. $     0.18 $     0.14
                                                           ========== ==========
</TABLE>
- --------
(1) 1998 amounts include pro forma adjustments for taxes related to Subchapter
    S corporate earnings of Citizens Bank of Tulsa.
(2) 1998 data restated for the 2 for 1 stock split in May 1998.
 
                               Selected Ratios(1)
 
<TABLE>
<CAPTION>
                                                     At or for the Three Months
                                                           Ended March 31,
                                                     ---------------------------
                                                         1999          1998
                                                     ------------- -------------
<S>                                                  <C>           <C>
Net interest margin.................................         3.83%         3.98%
Net interest spread.................................         3.37%         3.43%
Return on average assets (2)........................         1.09%         1.07%
Return on average equity (2)........................        14.48%        12.66%
Leverage ratio......................................         8.62%        10.58%
Non-performing loans to total loans.................         0.29%         0.28%
Non-performing assets to total assets...............         0.42%         0.27%
Allowance for loan losses to total loans............         1.49%         1.42%
</TABLE>
- --------
(1) Ratios are annualized where appropriate. Such ratios and results are not
    necessarily indicative of results that may be expected for the full year.
(2) 1998 amounts include pro forma adjustments for taxes related to Subchapter
    S corporate earnings of Citizens Bank of Tulsa.
 
                                       9
<PAGE>
 
          Management's Discussion and Analysis of Recent Developments
 
Results of Operations
 
   Net income for the three months ended March 31, 1999 was $3.1 million, or
$0.18 per share, compared to $2.3 million, or $0.14 per share, for the three
months ended March 31, 1998. This 32% increase in net income was primarily the
result of the acquisition of six banks with thirteen branch locations, as well
as internal growth.
 
   For the three months ended March 31, 1999, return on average assets was
1.09% and return on average equity was 14.48%, which are both increased from
the ratios for the first quarter of 1998 of 1.07% and 12.66%, respectively. On
a cash earnings basis (excluding the amortization of goodwill) the return on
average assets and return on average equity for the three months ended March
31, 1999 were 1.16% and 15.36%, respectively, versus 1.11% and 13.12%,
respectively, for the three months ended March 31, 1998.
 
   For the three month period ended March 31, 1999, net interest income
increased $1.7 million compared to the same period in 1998. The change was due
to a significant increase in the amount of interest-earning assets and
interest-bearing liabilities. The net interest margin for the three months
ended March 31, 1999 was 3.83% as compared to 3.98% for the same period in
1998. Other income increased $1.4 million primarily from increased service
charges on deposit accounts of $253,000 and increased investment trading fees
and commissions of $285,000, as well as through the addition of two banks we
acquired in the third quarter of 1998 accounted for under the purchase method
of accounting. Non-interest expense increased $2.2 million, also primarily due
to our growth through acquisitions. Significant increases included salaries and
benefits of $890,000 and occupancy of $519,000.
 
Financial Condition
 
   Total assets at March 31, 1999 were $1.1 billion, an increase of $36
million, or 3.3%, from total assets at December 31, 1998. Investment securities
increased $11 million and net loans increased $14 million, resulting mostly
from internal growth. Other assets increased $11 million primarily due to the
acquisition of CompuNet Engineering in March 1999.
 
   Deposits increased $23 million, from $927 million at December 31, 1998, to
$950 million at March 31, 1999. The increase was almost entirely the result of
internal growth. Short-term borrowings increased $8.3 million, primarily due to
increased borrowings at the holding company level for the acquisition of
CompuNet Engineering and general operating expenses. Other liabilities
increased almost $1.6 million, primarily as a result of the acquisition of
CompuNet Engineering in March 1999. Shareholders' equity increased $2.7
million.
 
                                       10
<PAGE>
 
                                  RISK FACTORS
 
   You should carefully consider the following risk factors before purchasing
the common stock offered by this prospectus. This prospectus contains forward-
looking statements that involve risk and uncertainties. You can identify these
forward-looking statements because they may include terms such as "believes,"
"anticipates," "intends," "expects," or similar expressions, and may include
discussions of future strategy. We caution you not to rely unduly on any
forward-looking statements in this prospectus. Our actual results could differ
materially from the forward-looking statements. The risk factors described
below could cause or contribute to these differences and apply to all forward-
looking statements wherever they appear in this prospectus. However, there
could be other factors not listed below that may affect us. We may not update
these risk factors or publicly announce revisions to forward-looking statements
contained in this prospectus.
 
We depend primarily on any dividends we may receive from our subsidiaries to
pay dividends on our common stock, if any.
 
   We are a separate legal entity from our subsidiaries and do not have
significant operations of our own. We depend primarily on any dividends we
receive from our subsidiaries, which may be limited by statute and regulations,
and our cash and liquid investments, to pay dividends on our common stock, if
any. Even if our subsidiaries are able to generate sufficient earnings to pay
dividends to us, there is no assurance that their respective Boards of
Directors might not decide to retain a greater portion of their earnings to
maintain existing capital or achieve additional capital necessary in light of
the financial condition, asset quality or regulatory requirements of the
subsidiaries and other business considerations.
 
   We currently have two subsidiaries that have an aggregate liquidation amount
of $         million of trust preferred securities outstanding. The
subsidiaries invested the proceeds from the sale of the trust preferred
securities in a like amount of our junior subordinated deferrable interest
debentures. We have the right to defer interest payments on the debentures. If
we defer interest payments on the debentures, we will be prohibited, subject to
certain exceptions, from declaring or paying cash dividends on our common stock
or our debt securities that rank equally with the debentures, until we pay all
deferred amounts on the debentures.
 
It may be difficult for us to maintain our rapid growth.
 
   We have completed several acquisitions in the past few years that have
significantly enhanced our rate of growth. We cannot be certain that we will
continue to sustain this rate of growth or grow at all. Competition for
suitable acquisition candidates is intense. We are targeting acquisition
candidates, particularly in the metropolitan and suburban areas, that a variety
of larger financial institutions are also interested in acquiring. We have
reviewed potential acquisition candidates and held preliminary discussions with
several of these candidates. We cannot assure you that any of these discussions
will be successful. As a result, we may not be successful in identifying
acquisition candidates or be able to acquire banks and businesses on terms we
feel are favorable.
 
   The rural market areas we now serve afford limited, if any, opportunities
for growth. We believe future growth in our earnings will depend, in addition
to acquisitions, on our growth in the metropolitan and suburban market areas
where we have branches. The financial institutions in these metropolitan and
suburban areas also compete intensely for assets and deposits. This competition
may adversely affect our ability to grow our asset and deposit base profitably.
 
We may experience difficulties in managing our growth.
 
   As part of our general strategy, we may continue to acquire banks and
businesses that we believe provide a strategic fit with our business. To the
extent that we do grow, we cannot assure you that we will be able to
 
                                       11
<PAGE>
 
adequately and profitably manage such growth. Acquiring other banks and
businesses will involve risks commonly associated with acquisitions, including:
 
  . potential exposure to liabilities of banks and businesses we acquire;
 
  . difficulty and expense of integrating the operations and personnel of
    banks and businesses we acquire;
 
  . potential disruption to our business;
 
  . potential diversion of our management's time and attention;
 
  . impairment of relationships with and the possible loss of key employees
    and customers of the banks and businesses we acquire; and
 
  . incurrence of amortization expense if we account for an acquisition as a
    purchase and dilution to our stockholders if we use our common stock as
    consideration for the acquisition.
 
The loss of certain key personnel could adversely affect our operations.
 
   Our success depends in large part on the retention of a limited number of
key persons, including:
 
  . Michael W. Gullion, our Chairman and Chief Executive Officer;
 
  . Malcolm M. Aslin, our President and Chief Operating Officer;
 
  . Keith E. Bouchey, our Executive Vice President, Chief Financial Officer
    and Corporate Secretary; and
 
  . Joseph F. Smith, our Executive Vice President and Chief Technology
    Officer.
 
   We will likely undergo a difficult transition period if we lose the services
of any or all of these individuals. In recognition of this risk, we own and are
the beneficiary of an insurance policy on the life of Mr. Gullion providing
death benefits of $1.5 million and have entered into employment agreements with
Messrs. Gullion, Aslin, Bouchey and Smith.
 
   We also place great value on the experience of the presidents of our
subsidiaries and the branches of our subsidiaries and on their relationships
with the communities they serve. The loss of these key persons could negatively
impact the affected banking locations. There is no assurance we will be able to
retain our current key personnel or attract additional qualified key persons as
needed.
 
Changes in the local economic conditions could adversely affect our loan
portfolio.
 
   Our success depends to a certain extent upon the general economic conditions
of the local markets that we serve. Unlike larger banks that are more
geographically diversified, we provide banking and financial services to
customers in those markets in Kansas, Oklahoma and Missouri, including a number
of rural markets, where our subsidiary banks operate. Our commercial, real
estate and construction loans, and the ability of the borrowers to repay these
loans and the value of the collateral securing these loans, are impacted by the
local economic conditions. In the rural markets we serve, the predominant
economic sector is agriculture. Changes in the agricultural economy may have an
impact on our results of operations and financial condition. We cannot assure
you that favorable economic conditions will exist in such markets.
 
Our allowance for loan losses may not be adequate to cover actual loan losses.
 
   As a lender, we are exposed to the risk that our customers will be unable to
repay their loans according to their terms and that any collateral securing the
payment of their loans may not be sufficient to assure repayment. Credit losses
are inherent in the lending business and could have a material adverse effect
on our operating results. Our credit risk with respect to our real estate and
construction loan portfolio relates principally to the general creditworthiness
of individuals and the value of real estate serving as security for the
repayment of loans. Our credit risk with respect to our commercial and consumer
installment loan portfolio relates principally to the general creditworthiness
of businesses and individuals within our local markets.
 
                                       12
<PAGE>
 
   We make various assumptions and judgments about the collectability of our
loan portfolio and provide an allowance for potential losses based on a number
of factors. If our assumptions are wrong, our allowance for loan losses may not
be sufficient to cover our loan losses. We may have to increase the allowance
in the future. Material additions to our allowance for loan losses would
decrease our net income.
 
We may be unable to manage interest rate risks that could reduce our net
interest income.
 
   Like other financial institutions, our results of operations are impacted
principally by net interest income which is the difference between interest
earned on loans and investments and interest expense paid on deposits and other
borrowings. We cannot predict or control changes in interest rates. Regional
and local economic conditions and the policies of regulatory authorities,
including monetary policies of the Federal Reserve, affect interest income and
interest expense. While we continually take measures intended to manage the
risks from changes in market interest rates, changes in interest rates can
still have a material adverse effect on our profitability.
 
We cannot predict how changes in technology will impact our business.
 
   The financial services market, including banking services, is increasingly
affected by advances in technology, including developments in:
 
  . telecommunications;
 
  . data processing;
 
  . automation;
 
  . Internet-based banking;
 
  . telebanking; and
 
  . debit cards and so-called "smart cards."
 
   Our ability to compete successfully in the future will depend on whether we
can anticipate and respond to technological changes. To develop these and other
new technologies we will likely have to make additional capital investments.
Although we continually invest in new technology, we cannot assure you that we
will have sufficient resources or access to the necessary proprietary
technology to remain competitive in the future.
 
The banking business is highly competitive.
 
   We operate in a competitive environment. In the metropolitan and suburban
areas in which we compete, other commercial banks, savings and loan
associations, credit unions, finance companies, mutual funds, insurance
companies, and brokerage and investment banking firms and other financial
intermediaries offer similar services. We also face competition in our rural
markets. Many of these competitors have substantially greater resources and
lending limits and may offer certain services our subsidiary banks and
businesses do not currently provide. In addition, some of the nonbank
competitors are not subject to the same extensive regulations that govern our
subsidiary banks and businesses. Our profitability depends upon the ability of
our subsidiaries to compete in our primary market areas.
 
Our operations may be adversely affected if we, or certain persons with whom we
do business, fail to adequately address the Year 2000 issue.
 
   Certain of our older computer programs identify years with two digits
instead of four. If not remedied, this is likely to cause problems because
these programs may recognize the year 2000 as the year 1900. As with other
financial institutions, we engage in a significant amount of business and
reporting activity that depends on accurate date information, such as
calculation of interest and other calculations pertaining to loans, deposits,
assets and investments. As a result, Year 2000 problems could result in a
system failure or miscalculations that disrupt our operations. We continue to
address these issues as they relate to our subsidiaries and corporate systems
and are in the implementation phase of our preparations for the year change
from 1999 to 2000.
 
                                       13
<PAGE>
 
   The process of remediating, the costs of remediating or failing to remediate
Year 2000 issues may be more burdensome than we anticipate. In addition, it is
possible that Year 2000 issues could have a material adverse affect on:
 
  . our service providers and their ability to provide us services, including
    Bankline MidAmerica, Inc. which provides a data processing system that
    most of our subsidiary banks have converted to or are scheduled to
    convert to before December 31, 1999, and
 
  . our customers, their businesses, and their ability to repay loans.
 
   The cumulative effect of such problems, if they occur, could adversely
effect our operations. For a more detailed discussion of our Year 2000
initiatives see the disclosure under "Year 2000 Initiatives" in our annual
report on Form 10-K for the year ended December 31, 1998, which has been
incorporated by reference into this prospectus.
 
We are subject to extensive regulation.
 
   The banking industry is heavily regulated under both federal and state law.
These regulations are primarily intended to protect depositors and the Federal
Deposit Insurance Corporation, not our creditors or stockholders. Our nonbank
subsidiaries are also subject to the supervision of the Federal Reserve Board,
in addition to other regulatory and self-regulatory agencies including the
Securities and Exchange Commission, the National Association of Securities
Dealers, and state securities and insurance regulators. Regulations affecting
banks and financial services businesses are undergoing continuous change, and
the ultimate effect of such changes cannot be predicted. Regulations and laws
may be modified at any time, and new legislation may be enacted that affects
us, our subsidiary banks or our nonbank subsidiaries. We cannot assure you that
such modifications or new laws will not adversely affect us.
 
Certain provisions of our articles of incorporation and bylaws and Kansas law
may discourage takeover attempts that you may deem to be in your best
interests.
 
   Certain provisions of our articles of incorporation and bylaws, certain
powers of our Board of Directors and certain sections of the corporate law of
Kansas may discourage takeover attempts not first approved by our Board of
Directors, including takeovers that certain stockholders may deem to be in
their best interests. These provisions and powers of our Board of Directors
could:
 
  . delay or prevent the removal of incumbent directors or the assumption of
    control by stockholders, even if such removal or assumption of control
    would be beneficial to stockholders; and
 
  . discourage or make more difficult a merger, tender offer or proxy
    contest, even if such events would be beneficial in the short term, to
    the interests of stockholders.
 
   In addition, our Board of Directors has authority to issue up to 50,000,000
shares of preferred stock in one or more series and to fix preferences, rights
and limitations of any such series without stockholder approval. This ability
to issue preferred stock could have the effect of discouraging unsolicited
acquisition proposals or making it more difficult for a third party to gain
control of us, or otherwise could adversely affect the market price of our
common stock.
 
Our subsidiary banks may be forced to pay for any losses the Federal Deposit
Insurance Corporation incurs if it provides assistance to any of our other
subsidiary banks.
 
   Federal law contains a "cross guarantee" provision that could require any of
our insured subsidiary banks to pay for losses incurred by the Federal Deposit
Insurance Corporation if it provides assistance to another of our insured
subsidiary banks or in the event a subsidiary bank fails. If another of our
subsidiary banks is assessed for any assistance the Federal Deposit Insurance
Corporation may provide, such assessment could materially effect that
subsidiary bank's financial condition as well as ours.
 
                                       14
<PAGE>
 
                                USE OF PROCEEDS
 
   We will not receive any of the proceeds from the sale of the common stock
being offered by the selling stockholders by this prospectus. The selling
stockholders will receive all of the proceeds from the sale of the common stock
offered by this prospectus.
 
                   PRICE RANGE OF COMMON STOCK AND DIVIDENDS
 
   Our common stock, par value $1.00 per share, trades on the Nasdaq National
Market System tier of The Nasdaq Stock Market under the symbol "GLDB."
 
   Information relating to the market prices of our common stock and cash
dividends declared on our common stock is set forth in the table below. Market
price and cash dividends are adjusted to reflect a 100% stock dividend in the
form of a two for one stock split on May 18, 1998.
 
<TABLE>
<CAPTION>
                                                         Market Price
                                                         -------------   Cash
                                                          High   Low   Dividends
                                                         ------ ------ ---------
      <S>                                                <C>    <C>    <C>
      1997
      First quarter..................................... $ 5.94 $ 4.25  $0.000
      Second quarter....................................   7.19   5.25   0.015
      Third quarter ....................................  10.00   7.00   0.015
      Fourth quarter....................................  13.00  10.00   0.015
      1998
      First quarter..................................... $13.38 $11.63  $0.015
      Second quarter....................................  22.75  12.50   0.020
      Third quarter.....................................  21.75  14.00   0.020
      Fourth quarter....................................  17.69  12.15   0.020
      1999
      First quarter..................................... $16.25 $12.80  $0.020
      Second quarter (through April 30, 1999) (1).......  16.38  13.44   0.020
</TABLE>
- --------
(1) Our Board of Directors has approved a $0.02 cash dividend per share of
    common stock to stockholders of record as of May 14, 1999 payable on May
    24, 1999.
 
                                       15
<PAGE>
 
                              SELLING STOCKHOLDERS
 
Background
 
   The shares of common stock being offered by this prospectus were acquired by
some of the former stockholders of Citizens Bancorporation, Inc. pursuant to
the merger of Citizens into one of our wholly-owned subsidiaries. The sale of
the common stock by the selling stockholders is restricted by Rule 145
promulgated under the Securities Act, and these shares cannot be transferred
unless (a) the sale is registered under the Securities Act or (b) the transfer
is made in accordance with Rule 145 or another exemption from registration
under the Securities Act.
 
Registration Rights Agreement
 
   As part of the merger of Citizens into our wholly-owned subsidiary, we
entered into a registration rights agreement with the former stockholders of
Citizens. The material provisions of the registration rights agreement are
described below. A copy of the registration rights agreement has been
incorporated by reference as an exhibit to the registration statement.
 
   To facilitate resales of the shares held by the former stockholders of
Citizens, we agreed to file the Securities Act registration statement of which
this prospectus is a part. We have agreed to use reasonable efforts to keep the
registration statement continuously effective for a period ending with the
earlier of (a) the sale of all of the shares held by the former Citizens
stockholders, or (b) December 10, 1999.
 
   We will pay all expenses in the performance of our registration obligations
under the registration rights agreement, including all registration, filing and
qualification fees, printing expenses, and fees and disbursements of our
attorneys. The selling stockholders are responsible for:
 
  . any fees and expenses in excess of $1,500 (per amendment or supplement)
    in order to amend or supplement the registration statement or this
    prospectus to reflect donees or pledgees,
 
  . any underwriting fees, discounts or commissions relating to the sale of
    the shares,
 
  . expenses for any road shows or similar sales efforts, and
 
  . any fees or disbursements for the selling stockholders' attorneys.
 
   The registration rights agreement contains customary indemnification
provisions by which we are obligated to indemnify and hold harmless the selling
stockholders, and the selling stockholders are obligated under certain
circumstances to indemnify and hold us and certain related parties harmless, in
each case in connection with liabilities relating to the registration of the
shares.
 
   The following table sets forth the names of the selling stockholders, the
shares of common stock being offered by the selling stockholders by this
prospectus, and the number of shares of common stock the selling stockholders
will beneficially own after the consummation of this offering. All information
with respect to the beneficial ownership has been furnished by the selling
stockholders.
 
                                       16
<PAGE>
 
<TABLE>
<CAPTION>
                              Number of                 Number of
                              Shares of   Number of     Shares of
                               Common     Shares of       Common     Percentage
                             Stock Owned Common Stock     Stock      of Shares
                              Prior to    Offered by   Owned After     Owned
Name Of                          the       Selling         the       After the
Selling Stockholders          Offering   Stockholders  Offering (1) Offering (1)
- --------------------         ----------- ------------  ------------ ------------
<S>                          <C>         <C>           <C>          <C>
Eric M. Bohne Revocable
 Family Trust #1(2).........   282,734     277,734(3)     5,000           *
Eric M. Bohne Revocable
 Family Trust #2(2).........   134,966     129,966(4)     5,000           *
Dillard Enterprises,
 L.L.C.(5)..................   456,504     456,000(6)       504           *
</TABLE>
- --------
*  Less than one percent.
(1) Assumes that the selling stockholders sell all of the common stock being
    offered and do not acquire additional shares of our common stock.
(2) Eric M. Bohne, trustee of the Eric M. Bohne Revocable Family Trust #1 and
    trustee of the Eric M. Bohne Revocable Family Trust #2, is a director and
    the President of Citizens Bank of Tulsa, our wholly-owned subsidiary.
(3) Assumes the underwriter exercises an option, exercisable not later than 30
    days after the date of the underwriting agreement, to purchase up to an
    additional 36,226 shares at the public offering price.
(4) Assumes the underwriter exercises an option, exercisable not later than 30
    days after the date of the underwriting agreement, to purchase up to an
    additional 16,951 shares at the public offering price.
(5) Ernest E. Dillard, manager and a member of Dillard Enterprises, L.L.C., is
    a director and the Chairman of Citizens Bank of Tulsa, our wholly-owned
    subsidiary.
(6) Assumes the underwriter exercises an option, exercisable not later than 30
    days after the date of the underwriting agreement, to purchase up to an
    additional 59,478 shares at the public offering price.
 
   Pursuant to the registration rights agreement, we have also agreed to
register 3,056,592 shares held by other former Citizens stockholders that are
not being offered through this prospectus. We have filed a separate prospectus
to cover those shares.
 
                                       17
<PAGE>
 
                                  UNDERWRITING
 
   Under the terms and conditions set forth in the underwriting agreement among
us, the selling stockholders, and Advest, Inc., Advest has agreed to purchase
from the selling stockholders and the selling stockholders have agreed to sell
to Advest, the number of shares of common stock set forth below:
 
<TABLE>
<CAPTION>
                                                                       Number of
      Underwriter                                                       Shares
      -----------                                                      ---------
      <S>                                                              <C>
      Advest, Inc.....................................................  751,045
                                                                        -------
          Total.......................................................  751,045
                                                                        =======
</TABLE>
 
   The underwriting agreement provides that the obligations of Advest are
subject to approval of certain matters by its counsel and to various other
conditions. Advest is committed to purchase and pay for all such shares of
common stock being sold pursuant to the underwriting agreement, if any shares
of common stock are purchased.
 
   Advest has advised us and the selling stockholders that they propose to
offer the shares of common stock directly to the public initially at the
offering price set forth on the cover page of this prospectus and to certain
selected dealers at such price less a concession not to exceed $        per
share. Advest may allow, and such selected dealers may reallow, a concession
not in excess of $        per share to certain other dealers. After the public
offering of the shares, the public offering price, concession and reallowance
to dealers may be changed by Advest. The common stock is offered and subject to
receipt and acceptance by Advest, and to certain other conditions, including
the right to reject orders in whole or in part.
 
   The selling stockholders have granted to the underwriter an option,
exercisable not later than 30 days after the date of the underwriting
agreement, to purchase up to an additional 112,655 shares of common stock at
the public offering price less discounts. To the extent that the underwriter
exercises this option, the selling stockholders will be obligated, pursuant to
the option, to sell these shares of common stock to the underwriter. The
underwriter may exercise this option only to cover over-allotments made in
connection with the sale of the shares of common stock offered by this
prospectus. If purchased, the underwriter will offer these additional shares of
common stock on the same terms as those on which the 112,655 shares of common
stock are being offered.
 
   Subject to certain limitations, we along with the selling stockholders and
Advest have agreed to indemnify each other against certain liabilities
including liabilities under the Securities Act, or to contribute to payments
that we, the selling stockholders, or Advest may be required to make in respect
of these liabilities.
 
   The foregoing is a summary of the principal terms of the underwriting
agreement and does not purport to be complete. Reference is made to a copy of
the underwriting agreement that was filed as an exhibit to the registration
statement of which this prospectus is a part.
 
   Advest has been engaged in the ordinary course of business, and may in the
future be engaged, to perform investment banking and other advisory-related
services for us, our affiliates, and certain stockholders of ours. Advest, Inc.
also served as managing underwriter in our public offering of common stock in
1996 and trust preferred securities in 1997, and advised us in certain of our
acquisition transactions. Advest, Inc. also served as managing underwriter for
our trust preferred securities offering completed on May   , 1999.
 
   In connection with the offering of the common stock, Advest and any selling
group members and their respective affiliates may engage in transactions
effected in accordance with Rule 104 of the Securities and Exchange
Commission's Regulation M that are intended to stabilize, maintain, or
otherwise affect the market price of the common stock. Such transactions may
include stabilizing transactions in which they bid for, and purchase, shares of
the common stock at a level above that which might otherwise prevail in the
open market for the purpose of preventing or retarding a decline in the market
price of the common stock. Advest also may
 
                                       18
<PAGE>
 
bid for, and purchase, shares of common stock to reduce a short position
incurred to reclaim any selling concessions otherwise accruing or allowed to a
selling group member in connection with the offering if the common stock
originally sold by such selling group member is repurchased by Advest and
therefore has not been effectively placed by such selling group member. Any of
the foregoing transactions may result in the maintenance of a price for the
common stock at a level above that which might otherwise prevail in the open
market. Neither we nor Advest makes any representation or prediction as to the
direction or magnitude of any effect that the transactions described above may
have on the price of our common stock. Advest is not required to engage in any
of the foregoing transactions and, if commenced, such transactions may be
discontinued at any time without notice.
 
                                 LEGAL MATTERS
 
   The validity of the shares of common stock offered by this prospectus has
been passed upon for us by Blackwell Sanders Peper Martin LLP, Kansas City,
Missouri. Certain legal matters in connection with the shares will be passed
upon for Advest by Arnold & Porter, Washington, D.C. Certain legal matters will
be passed upon for the selling stockholders by Crowe & Dunlevy, a Professional
Corporation, Oklahoma City, Oklahoma. Arnold & Porter will rely as to certain
matters of Kansas law on the opinion of Blackwell Sanders Peper Martin LLP.
 
                                    EXPERTS
 
   The consolidated financial statements incorporated in this prospectus by
reference are incorporated by reference from our Annual Report on Form 10-K for
the fiscal year ended December 31, 1998, have been audited by KPMG LLP,
independent auditors, as stated in their report, which is incorporated here by
reference, and have been so incorporated in reliance upon the report of such
firm given upon their authority as experts in accounting and auditing.
 
                                       19
<PAGE>
 
                      WHERE YOU CAN FIND MORE INFORMATION
 
   We are subject to the informational requirements of the Securities Exchange
Act of 1934, as amended, and in accordance with the Exchange Act, we file
reports, proxy statements, information statements and other information with
the SEC. Such reports, proxy statements and other information can be inspected
and copied at the public reference facilities of the SEC at Room 1024, 450
Fifth Street, N.W. Washington, D.C. 20549 and at the regional offices of the
SEC located at 7 World Trade Center, 13th Floor, Suite 1300, New York, New York
10048 and Citicorp Center, 14th Floor, Suite 1400, 500 West Madison Street,
Chicago, Illinois 60661. You may obtain information on the operation of the
public reference rooms by calling the SEC at 1-800-SEC-0330. Copies of this
material can also be obtained at prescribed rates by writing to the Public
Reference Section of the SEC at 450 Fifth Street, N.W., Washington D.C. 20549.
This material also may be accessed electronically by means of the SEC's home
page on the Internet at www.sec.gov.
 
   Our common stock trades on the Nasdaq National Market under the symbol
"GLDB." Documents filed by us with the SEC also can be inspected at the offices
of the National Association of Securities Dealers, Inc., 1735 K Street, N.W.,
Washington, D.C. 20006.
 
   We have filed a post-effective amendment No. 1 on Form S-3 to our
registration statement on Form S-4 with the SEC under the Securities Act in
connection with the offering. This prospectus does not contain all of the
information set forth in the registration statement, certain parts of which are
omitted in accordance with the rules and regulations of the SEC. The
registration statement, including any amendments, schedules and exhibits
thereto, is available for inspection and copying as set forth above. Statements
contained in this prospectus as to the contents of any contract or other
document referred to in this document include all material terms of such
contract or other documents but are not necessarily complete, and in each
instance reference is made to the copy of any such contract or other document
which may have been filed as an exhibit to the registration statement, each
such statement being qualified in all respects by such reference.
 
                INCORPORATION OF CERTAIN DOCUMENTS BY REFERENCE
 
   The SEC allows us to "incorporate by reference" the information we file with
them, which means that we can disclose important information to you by
referring you to those documents. The information incorporated by reference is
considered to be part of this prospectus, and information that we file later
with the SEC will automatically update and supersede this information. We
incorporate by reference the documents listed below and any future filings we
will make with the SEC under Sections 13(a), 13(c), 14 or 15(d) of the
Securities Exchange Act of 1934 until the date the selling stockholders sell
all of the shares or until the date the offering of the shares is otherwise
ended.
 
  . Our annual report on Form 10-K for the fiscal year ended December 31,
    1998, as filed with the SEC on March 31, 1999.
 
  . Our current report on Form 8-K dated April 28, 1999.
 
  . The description of our common stock set forth in the Form 8-A12G
    Registration Statement as filed with the SEC on November 1, 1996.
 
   You may request a free copy of these filings by writing or telephoning us at
the following address:
 
                                Keith E. Bouchey
                              Corporate Secretary
                          Gold Banc Corporation, Inc.
                               11301 Nall Avenue
                             Leawood, Kansas 66211
                                 (913) 451-8050
 
                                       20
<PAGE>
 
          CAUTIONARY STATEMENT CONCERNING FORWARD-LOOKING INFORMATION
 
   This prospectus (including information included or incorporated by reference
in this prospectus) contains forward-looking statements with respect to our
financial condition, results of operations, plans, objectives, future
performance and business, including statements preceded by, followed by or that
include the words, "believes," "expects," "anticipates" or similar expressions.
These forward-looking statements involve certain risks and uncertainties and
may relate to our future operating results.
 
   Factors that may cause actual results to differ materially from those
contemplated by these forward-looking statements include, among others, the
following possibilities:
 
  . expected cost savings from our acquisitions not being fully realized or
    realized within the expected time frame;
 
  . earnings following acquisitions being lower than expected;
 
  . a significant increase in competitive pressure among depository and other
    financial institutions;
 
  . costs or difficulties related to the integration of the acquired
    businesses being greater than expected;
 
  . changes in the interest rate environment resulting in reduced margins;
 
  . general economic or business conditions, either nationally or in Kansas,
    Oklahoma or Missouri, being less favorable than expected, and resulting
    in, among other things, a deterioration in credit quality or a reduced
    demand for credit;
 
  . legislative or regulatory changes adversely affecting the businesses in
    which we will be engaged;
 
  . changes in the securities markets; and
 
  . changes in the banking industry, including the effects of consolidation
    resulting from possible mergers of financial institutions.
 
                                       21
<PAGE>
 
- -------------------------------------------------------------------------------
- -------------------------------------------------------------------------------
 
   No person has been authorized in connection with the offering made hereby
to give any information or to make any representation not contained in this
prospectus and, if given or made, such information or representation must not
be relied upon as having been authorized by us or any underwriter. This
prospectus does not constitute an offer to sell or a solicitation of any offer
to buy any of the securities offered hereby to any person or by anyone in any
jurisdiction in which it is unlawful to make such offer or solicitation.
Neither the delivery of this prospectus nor any sale made hereunder shall,
under any circumstances, create any implication that the information contained
herein is correct as of any date subsequent to the date hereof.
 
                               ---------------
 
                               TABLE OF CONTENTS
 
<TABLE>
<CAPTION>
                                                                            Page
                                                                            ----
<S>                                                                         <C>
 
Prospectus Summary.........................................................   3
Selected Consolidated Financial Data.......................................   6
Recent Developments........................................................   8
Risk Factors...............................................................  11
Use of Proceeds............................................................  15
Price Range of Common Stock and Dividends..................................  15
Selling Stockholders.......................................................  16
Underwriting...............................................................  18
Legal Matters..............................................................  19
Experts....................................................................  19
Where You Can Find More Information........................................  20
Incorporation of Certain Documents by Reference............................  20
Cautionary Statement Concerning
 Forward-Looking Information...............................................  21
</TABLE>
 
- -------------------------------------------------------------------------------
- -------------------------------------------------------------------------------
- -------------------------------------------------------------------------------
- -------------------------------------------------------------------------------
 
                                751,045 Shares
 
                         [GOLD BANC CORPORATION LOGO]
 
                                   GOLD BANC
                               CORPORATION, INC.
 
                                 Common Stock
 
                               ---------------
 
                                  PROSPECTUS
                               ---------------
 
                                 Advest, Inc.
 
                                 May   , 1999
 
- -------------------------------------------------------------------------------
- -------------------------------------------------------------------------------
<PAGE>
 
                [ALTERNATE PAGE FOR NON-UNDERWRITTEN PROSPECTUS]

                             Preliminary Prospectus
                   Subject to Completion--Dated May   , 1999
 
[LOGO]                          3,056,592 Shares
                          Gold Banc Corporation, Inc.
 
                                  Common Stock
 
                                  -----------
 
                       Listed on: Nasdaq National Market
                              Trading Symbol: GLDB
                    Closing price on May    , 1999: $
 
                                  -----------
 
 Certain stockholders of Gold Banc Corporation, Inc. propose to sell from time
           to time shares of Gold Banc Corporation, Inc. common stock
 
                     Gold Banc Corporation, Inc.--
 
 
                       . We are a multi-bank holding company that offers,
 Consider                through our subsidiaries, a full range of community
 carefully the           banking and related financial services to customers
 "risk factors"          in Kansas, Oklahoma and Missouri.
 beginning on
 page    in this       . We will not receive any proceeds from the sale of     
 prospectus.             these shares.                                          
                                                                               
 Neither the           . We will pay all expenses other than those paid by the 
 Securities and          selling stockholders.                                  
 Exchange                                                                      
 Commission nor                                                                 
 any state             . We will indemnify the selling stockholders against    
 securities              certain liabilities.                                  
 commission has                                                                
 approved or         Selling Stockholders--                                    
 disapproved of                                                                
 these securities      . The selling stockholders may sell 3,056,592 shares.   
 or passed upon        . The selling stockholders will pay:                    
 the adequacy or                                                               
 accuracy of this        (a) all underwriting fees, discounts or commissions;  
 prospectus. Any                                                               
 representation          (b) any fees and expenses in excess of $1,500 (per    
 to the contrary             amendment or supplement) in order to amend or     
 is a criminal               supplement the registration statement or          
 offense.                    prospectus to reflect donees or pledgees;         
                                                                               
                         (c) any expenses to conduct sales efforts; and        
                                                                               
                         (d) their own counsel's fees.                         
                                                                               
                       . The selling stockholders are named individually in    
 Our common stock        this prospectus.                                      
 is not a deposit      . The selling stockholders will indemnify us against    
 account of any          certain liabilities.                                   
 bank, and is not    
 insured to any      
 extent by the         
 Federal Deposit                                  
 Insurance             
 Corporation or      
 any other           
 governmental        
    agency.                 Prospectus dated May   , 1999

++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
+The information in this prospectus is not complete and may be changed. We may +
+not sell these securities until the registration statement filed with the     +
+Securities and Exchange Commission is effective. This prospectus is not an    +
+offer to sell these securities and it is not soliciting an offer to buy these +
+securities in any state where the offer or sale is not permitted.             +
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
<PAGE>
 
                [ALTERNATE PAGE FOR NON-UNDERWRITTEN PROSPECTUS]
bank regulations. We will continue to look to acquire banks with strong
existing management teams so that our strategies can be implemented within the
existing management structures, boards of directors and bank charters that are
in place at these banks.
 
   Our principal executive office is located at 11301 Nall Avenue, Leawood,
Kansas 66211, and our telephone number is (913) 451-8050.
 
                                  The Offering
 
The Securities being         
 Offered...................  3,056,592 shares of common stock.
 
Shares of Common Stock
 Outstanding Before the
 Offering..................  17,181,618 shares.
 
Shares of Common Stock
 Outstanding After the
 Offering..................  17,181,618 shares.

Dividends on Our Common 
 Stock.....................  Since the second quarter of 1997, we have paid
                             quarterly cash dividends on the shares of our
                             common stock. See "Price Range of Common Stock
                             and Dividends."
 
The Use of Proceeds........  We will not receive any of the proceeds from the
                             sale of common stock being offered by this
                             prospectus.

Nasdaq National Market
 Symbol....................  Our common stock is quoted on the Nasdaq National
                             Market under the symbol "GLDB."
 
                                  Risk Factors
 
   Before purchasing the securities offered by this prospectus you should
carefully consider the "Risk Factors" beginning on page     .
 
                                       5
<PAGE>
 
                [ALTERNATE PAGE FOR NON-UNDERWRITTEN PROSPECTUS]
                              SELLING STOCKHOLDERS
 
Background
 
   The shares of common stock being offered by this prospectus were acquired by
some of the former stockholders of Citizens Bancorporation, Inc. pursuant to
the merger of Citizens into one of our wholly-owned subsidiaries. The sale of
the common stock by the selling stockholders is restricted by Rule 145
promulgated under the Securities Act, and these shares cannot be transferred
unless (a) the sale is registered under the Securities Act or (b) the transfer
is made in accordance with Rule 145 or another exemption from registration
under the Securities Act.
 
Registration Rights Agreement
 
   As part of the merger of Citizens into our wholly-owned subsidiary, we
entered into a registration rights agreement with the former stockholders of
Citizens. The material provisions of the registration rights agreement are
described below. A copy of the registration rights agreement has been
incorporated by reference as an exhibit to the registration statement.
 
   To facilitate resales of the shares by the former stockholders of Citizens,
we agreed to file the Securities Act registration statement of which this
prospectus is a part. We have agreed to use reasonable efforts to keep the
registration statement continuously effective for a period ending with the
earlier of (a) the sale of all of the shares held by the former Citizens
stockholders, or (b) December 10, 1999.
 
   We will pay all expenses in the performance of our registration obligations
under the registration rights agreement, including all registration, filing and
qualification fees, printing expenses, and fees and disbursements of our
attorneys. The selling stockholders are responsible for:
 
  . any fees and expenses in excess of $1,500 (per amendment or supplement)
    in order to amend or supplement the registration statement or this
    prospectus to reflect donees or pledgees,
 
  . any underwriting fees, discounts or commissions relating to the sale of
    the shares,
 
  . expenses for any road shows or similar sales efforts, and
 
  . any fees or disbursements for the selling stockholders' attorneys.
 
   The registration rights agreement contains customary indemnification
provisions by which we are obligated to indemnify and hold harmless the selling
stockholders, and the selling stockholders are obligated under certain
circumstances to indemnify and hold us and certain related parties harmless, in
each case in connection with liabilities relating to the registration of the
shares.
 
   The following table sets forth the names of the selling stockholders, the
shares of common stock being offered by the selling stockholders by this
prospectus, and the number of shares of common stock the selling stockholders
will beneficially own after the consummation of this offering. All information
with respect to the beneficial ownership has been furnished by the selling
stockholders.
 
                                       16
<PAGE>
 
                [ALTERNATE PAGE FOR NON-UNDERWRITTEN PROSPECTUS]
 
<TABLE>
<CAPTION>
                               Number of                Number of
                               Shares of   Number of    Shares of
                                Common     Shares of      Common     Percentage
                              Stock Owned Common Stock    Stock      of Shares
                               Prior to    Offered by     Owned        Owned
Name of                           the       Selling     After the    After the
Selling Stockholders           Offering   Stockholders Offering (1) Offering (1)
- --------------------          ----------- ------------ ------------ ------------
<S>                           <C>         <C>          <C>          <C>
Daniel Buford (2)............   595,440     595,440         --           --
Sam Buford (2)...............   820,437     820,437         --           --
Sharon Buford................   820,278     820,278         --           --
Stephen Buford (2)...........   820,437     820,437         --           --
</TABLE>
- --------
(1) Assumes that the selling stockholders sell all of the common stock being
    offered and do not acquire additional shares of our common stock.
(2) Each of Daniel Buford, Sam Buford, and Stephen Buford is a director of
    Citizens Bank of Tulsa, our wholly-owned subsidiary.
 
   Pursuant to the registration rights agreement, we have agreed to register
751,045 shares (plus up to 112,655 shares covered by an underwriter's over-
allotment option) held by other former Citizens stockholders that are not being
offered through this prospectus. We have filed a separate prospectus to cover
those shares.
 
                                       17
<PAGE>
 
                [ALTERNATE PAGE FOR NON-UNDERWRITTEN PROSPECTUS]
 
                              PLAN OF DISTRIBUTION
 
   The selling stockholders or their respective pledgees, donees, transferees
or other successors in interest may, from time to time, sell all or a portion
of the shares on the Nasdaq National Market, in privately negotiated
transactions or otherwise. Shares may be sold at fixed prices that may be
changed, at market prices prevailing at the time of sale, at prices related to
such market prices or negotiated prices. The shares may be sold by the selling
stockholders by one or more of the following methods, without limitation:
 
  . block trades in which the broker or dealer so engaged will attempt to
    sell the shares as agent but may position and resell a portion of the
    block as principal to facilitate the transaction;
 
  . purchases by a broker or dealer as principal and resale by such broker or
    dealer for its account pursuant to this prospectus;
 
  . ordinary brokerage transactions and transactions in which the broker
    solicits purchasers;
 
  . privately negotiated transactions;
 
  . short sales;
 
  . through the writing of options on the shares; and
 
  . a combination of any such methods of sale.
 
   In effecting sales, brokers and dealers engaged by the selling stockholders
may arrange for other brokers or dealers to participate. Broker-dealers may
agree with the selling stockholders to sell a specified number of such shares
at a stipulated price per share. To the extent such broker-dealer is unable to
do so acting as agent for a selling stockholder, it may agree to purchase as
principal any unsold shares at the stipulated price. Broker-dealers who acquire
shares as principals may thereafter resell such shares from time to time in
transactions in the Nasdaq National Market at prices and on terms then
prevailing at the time of sale, at prices related to the then-current market
price or in negotiated transactions. Broker-dealers may use block transactions
and sales to and through broker-dealers, including transactions of the nature
described above. The selling stockholders may also sell the shares in
accordance with Rule 145 under the Securities Act rather than pursuant to this
prospectus.
 
   From time to time, one or more of the selling stockholders may pledge,
hypothecate or grant a security interest in some of all of the shares owned by
them. The pledgees, secured parties or persons to whom such securities have
been hypothecated will, upon foreclosure in the event of default, be deemed to
be selling stockholders. The number of a selling stockholder's shares offered
under this prospectus will decrease as and when it takes such actions. The plan
of distribution for such selling stockholder's shares will otherwise remain
unchanged. In addition, a selling stockholder may, from time to time, sell
short our common stock and in such instances, this prospectus may be delivered
in connection with such short sales and the shares offered under this
prospectus may be used to cover such short sales.
 
   To the extent required under the Securities Act the aggregate amount of
selling stockholders' shares of our common stock being offered and the terms of
the offering, the names of any such agents, brokers, dealers or underwriters
and any applicable commission with respect to a particular offer will be set
forth in an accompanying prospectus supplement. Any underwriters, dealers,
brokers or agents participating in the distribution of our common stock may
receive compensation in the form of underwriting discounts, concessions,
commissions or fees from a selling stockholder and/or purchasers of selling
stockholders' shares of common stock, for whom they may act (which compensation
as to a particular broker-dealer might be in excess of customary commissions).
 
   The selling stockholders and any broker-dealers or agents that participate
with the selling stockholders in sales of the shares may be deemed to be
"underwriters" within the meaning of the Securities Act in connection with such
sales. In such event, any commissions received by such broker-dealers or agents
and any profit on the resale of the shares purchased by them may be deemed to
be an underwriting commission or discount under the Securities Act.
 
                                       18
<PAGE>
 
                [ALTERNATE PAGE FOR NON-UNDERWRITTEN PROSPECTUS]
 
   A selling stockholder may enter into hedging transactions with broker-
dealers and the broker-dealers may engage in short sales of the common stock in
the course of hedging the positions they assume with such selling stockholder,
including in connection with distributions of the common stock by such broker-
dealers. A selling stockholder may enter into option or other transactions with
broker-dealers that involve the delivery of the shares offered hereby to the
broker-dealers, who may then resell or otherwise transfer such shares. A
selling stockholder may also loan or pledge the shares offered hereby to a
broker-dealer and the broker-dealer may sell the shares offered hereby so
loaned or upon a default may sell or otherwise transfer the pledged shares
offered hereby.
 
   The selling stockholders and any other persons participating in the sale or
distribution of the shares will be subject to applicable provisions of the
Securities Exchange Act and the rules and regulations thereunder, which
provisions may limit the timing of purchases and sales of any of the shares by
the selling stockholders or any other such person. The foregoing may affect the
marketability of the shares.
 
   In order to comply with the securities laws of certain states, if
applicable, the shares offered by this prospectus may be sold in such
jurisdictions only through registered or licensed brokers or dealers. In
addition, in certain states the shares may not be sold unless they have been
registered or qualified for sale or an exemption from registration or
qualification requirements is available and is complied with.
 
   We will make copies of this prospectus available to the selling stockholders
and have informed the selling stockholders that they must deliver a copy of
this prospectus to each purchaser of the shares prior to or at the time of any
sale. We have agreed with the selling stockholders to keep this prospectus
effective until the earlier of (i) the sale of all of the shares or (ii)
December 10, 1999.
 
                                 LEGAL MATTERS
 
   The legality of the shares offered pursuant to the offering will be passed
upon for us by Blackwell Sanders Peper Martin LLP, Kansas City, Missouri.
 
                                    EXPERTS
 
   The consolidated financial statements incorporated in this prospectus by
reference are incorporated by reference from our Annual Report on Form 10-K for
the fiscal year ended December 31, 1998, have been audited by KPMG LLP,
independent auditors, as stated in their report, which is incorporated here by
reference, and have been so incorporated in reliance upon the report of such
firm given upon their authority as experts in accounting and auditing.
 
                                       19
<PAGE>
 
                [ALTERNATE PAGE FOR NON-UNDERWRITTEN PROSPECTUS]
- --------------------------------------------------------------------------------
- --------------------------------------------------------------------------------
 
   No person has been authorized in connection with the offering made hereby to
give any information or to make any representation not contained in this pro-
spectus and, if given or made, such information or representation must not be
relied upon as having been authorized by us or any underwriter. This prospectus
does not constitute an offer to sell or a solicitation of any offer to buy any
of the securities offered hereby to any person or by anyone in any jurisdiction
in which it is unlawful to make such offer or solicitation. Neither the deliv-
ery of this prospectus nor any sale made hereunder shall, under any circum-
stances, create any implication that the information contained herein is cor-
rect as of any date subsequent to the date hereof.
 
                                ---------------
 
                               TABLE OF CONTENTS
 
<TABLE>
<CAPTION>
                                                                            Page
                                                                            ----
<S>                                                                         <C>
 
Prospectus Summary.........................................................   3
Selected Consolidated Financial Data.......................................   6
Recent Developments........................................................   8
Risk Factors...............................................................  11
Use of Proceeds............................................................  15
Price Range of Common Stock and Dividends..................................  15
Selling Stockholders.......................................................  16
Plan of Distribution.......................................................  18
Legal Matters..............................................................  19
Experts....................................................................  19
Where You Can Find More Information........................................  20
Incorporation of Certain Documents by Reference............................  20
Cautionary Statement Concerning
 Forward-Looking Information...............................................  21
</TABLE>
 
- --------------------------------------------------------------------------------
- --------------------------------------------------------------------------------
- --------------------------------------------------------------------------------
- --------------------------------------------------------------------------------
 
                                3,056,592 Shares
 
[GOLD BANC CORPORATION LOGO]
 
                                   GOLD BANC
                               CORPORATION, INC.
 
                                  Common Stock
 
                                ---------------
 
                                   PROSPECTUS
                                ---------------
 
 
                                  May   , 1999
 
 
- --------------------------------------------------------------------------------
- --------------------------------------------------------------------------------
<PAGE>
 
                                    PART II
                     INFORMATION NOT REQUIRED IN PROSPECTUS
 
Item 14. Other Expenses of Issuance and Distribution.
 
   The following is an itemized statement of estimated expenses to be paid by
the Registrant in connection with the issuance and sale of the securities being
registered.
 
<TABLE>
      <S>                                                            <C>
      Securities and Exchange Commission Registration Fee...........         (1)
      Accounting Fees and Expenses..................................
      Printing Expenses.............................................
      Registrant's Legal Fees and Expenses..........................
      Selling Stockholders' Legal Fees and Expenses.................
      Transfer Agent Fees and Expenses..............................
      Miscellaneous Expenses........................................
                                                                     --------
          Total..................................................... $
                                                                     ========
</TABLE>
- --------
(1) Filing fee previously paid pursuant to the Registrant's Registration
    Statement on Form S-4 (File No. 333-65539)
 
Item 15. Indemnification of Directors and Officers.
 
   Gold Banc Corporation, Inc.'s (the "Company") Restated Articles of
Incorporation, as amended, and Amended and Restated Bylaws require it to
indemnify its directors and officers and advisory directors against
liabilities, fines, penalties, settlements, claims and reasonable expenses
incurred by them in connection with any proceeding to which they may be made a
party by reason of their service in those capacities to the fullest extent
permitted by the Kansas General Corporation Code ("KGCC"). The KGCC permits a
corporation to indemnify its present and former directors and officers if
ordered to do so by a court or after a determination by its independent
counsel, stockholders or a majority of its disinterested directors that the
person to be indemnified acted in good faith and in a manner such person
reasonably believed to be in or not opposed to the best interests of the
corporation.
 
   Pursuant to express authority conferred in the Company's Amended and
Restated Bylaws, the Company maintains a policy of insurance, under which the
insurer will, subject to certain conditions, defend the directors and officers
of the Company against and indemnify them from any liabilities in capacities as
such.
 
   Insofar as indemnification for liabilities arising under the Securities Act
may be permitted to directors, officers or controlling persons pursuant to the
foregoing provisions, the Company has been informed that in the opinion of the
SEC such indemnification is against public policy as expressed in the
Securities Act and is therefore unenforceable.
 
Item 16. Exhibits
 
   The following exhibits are filed herewith or incorporated herein by
reference pursuant to Rule 411 of the Securities Act of 1933, as amended.
 
<TABLE>
<CAPTION>
      Exhibit
       Number
      -------
     <C>        <S>
      1         Form of Underwriting Agreement
 
      3(a)(i)   Restated Articles of Incorporation of the Company*
 
      3(a)(ii)  Certificate of Amendment to Restated Articles of
                Incorporation**
 
      3(a)(iii) Certificate of Amendment to Restated Articles of Incorporation
 
</TABLE>
 
 
                                      II-1
<PAGE>
 
<TABLE>
<CAPTION>
     Exhibit
     Number
     -------
     <C>     <S>
      3(b)   Amended and Restated Bylaws of the Company*
 
      4(a)   Provisions of the Amended and Restated Articles of Incorporation
             and the Restated Bylaws of the Company defining the rights of
             holders of the Company's common stock (included in Exhibits
             3(a)(i), (ii) and (iii) and 3(b)).
 
      4(b)   Registration Rights Agreement among the Company, Daniel Buford,
             Sam Buford, Sharon Buford, Stephen Buford, Dillard Enterprises,
             L.L.C., Eric M. Bohne Revocable Family Trust #1 and Eric M. Bohne
             Revocable Family Trust #2, dated as of December 10, 1998.***
 
      5      Opinion of Blackwell Sanders Peper Martin LLP
 
     23(a)   Consent of KPMG LLP
 
     23(b)   Consent of Blackwell Sanders Peper Martin LLP (included in Exhibit
             5)
 
     24      Powers of Attorney (included in signature pages to Registration
             Statement)
</TABLE>
- --------
*  Previously filed as an Exhibit to the Company's Registration Statement on
   Form SB-2 No. 333-12377 and the same is incorporated herein by reference.
**Previously filed as an Exhibit to the Company's Registration Statement on
   Form S-4 No. 333-28563 and the same is incorporated herein by reference.
***Previously filed as an Exhibit to the Company's Annual Report on Form 10-K
   for the year ended December 31, 1998 and the same is incorporated herein by
   reference.
 
Item 17. Undertakings.
 
   (a) Insofar as indemnification for liabilities arising under the Securities
Act of 1933 may be permitted to directors, officers and controlling persons of
the Registrant pursuant to the foregoing provisions, or otherwise, the
Registrant has been advised that in the opinion of the Securities and Exchange
Commission such indemnification is against public policy as expressed in the
Securities Act and is, therefore, unenforceable. In the event that a claim for
indemnification against such liabilities (other than the payment by the
Registrant of expenses incurred or paid by a director, officer or controlling
person of the Registrant in the successful defense of any action, suit or
proceedings) is asserted by such director, officer or controlling person in
connection with the securities being registered, the registrant will, unless in
the opinion of its counsel the matter has been settled by controlling
precedent, submit to a court of appropriate jurisdiction the question whether
such indemnification by it is against public policy as expressed in the
Securities Act and will be governed by the final adjudication of such issue.
 
   (b) The undersigned Registrant hereby undertakes to, for purposes of
determining any liability under the Securities Act, treat the information
omitted from the form of prospectus filed as part of this registration
statement in reliance upon Rule 430A and contained in a form of prospectus
filed by the Registrant under Rule 424(b)(1), or (4) or 497(h) under the
Securities Act as part of this registration statement as of the time the SEC
declared it effective.
 
   (c) The undersigned Registrant hereby undertakes to, for purposes of
determining any liability under the Securities Act, treat each post-effective
amendment that contains a form of prospectus as a new registration statement
for the securities offered in the registration statement, and that offering of
the securities at that time as the initial bona fide offering of those
securities.
 
   (d) The undersigned Registrant hereby undertakes that, for purposes of
determining any liability under the Securities Act, each filing of the
Registrant's annual report pursuant to Section 13(a) or Section 15(d) of the
Securities Exchange Act of 1934 (and, where applicable, each filing of an
employee benefit plan's annual report pursuant to Section 15(d) of the
Securities Exchange Act of 1934) that is incorporated by reference in
 
                                      II-2
<PAGE>
 
the registration statement shall be deemed to be a new registration statement
relating to the securities offered therein, and the offering of such securities
at that time shall be deemed to be the initial bona fide offering thereof.
 
   (e) The undersigned Registrant hereby undertakes:
 
     (1) To file, during any period in which offers or sales are being made
  of securities registered hereby, a post-effective amendment to this
  registration statement:
 
       (i) To include any prospectus required by Section 10(a)(3) of the
    Securities Act of 1933;
 
       (ii) To reflect in the prospectus any facts or events arising after
    the effective date of the registration statement (or the most recent
    post-effective amendment thereof) which, individually or in the
    aggregate, represent a fundamental change in the information set forth
    in the registration statement; and
 
       (iii) To include any material information with respect to the plan
    of distribution not previously disclosed in the registration statement
    or any material change to such information in the registration
    statement;
 
  Provided, however, that paragraphs (1)(i) and (1)(ii) do not apply if the
  information required to be included in post-effective amendment by those
  paragraphs is contained in periodic reports filed by the registrant
  pursuant to Section 13 or Section 15(d) of the Securities Exchange Act of
  1934 that are incorporated by reference in the registration statement.
 
     (2) That, for the purpose of determining any liability under the
  Securities Act of 1933, each such post-effective amendment shall be deemed
  to be a new registration statement relating to the securities offered
  therein, and the offering of such securities at that time shall be deemed
  to be the initial bona fide offering thereof.
 
     (3) To remove from registration by means of a post-effective amendment
  any of the securities being registered which remain unsold at the
  termination of the offering.
 
                                      II-3
<PAGE>
 
                                   SIGNATURES
 
   Pursuant to the requirements of the Securities Act of 1933, the Registrant
certifies that it has reasonable grounds to believe that it meets all of the
requirements for filing on Form S-3 and has duly caused this Post-Effective
Amendment to the Registration Statement to be signed on its behalf by the
undersigned, thereunto duly authorized, in the City of Leawood, State of
Kansas, on the 28th day of April, 1999:
 
                                          Gold Banc Corporation, Inc.
 
                                                 /s/ Michael W. Gullion
                                          By: _________________________________
                                                     Michael W. Gullion,
                                                   Chief Executive Officer
 
   KNOW ALL MEN BY THESE PRESENTS, that we, the undersigned directors of Gold
Banc Corporation, Inc., hereby severally constitute Michael W. Gullion and
Keith E. Bouchey, and each of them singly, our true and lawful attorneys with
full power to them, and each of them singly, to sign for us and in our names in
the capacities indicated below, the Registration Statement filed herewith and
any and all amendments to said Registration Statement, any subsequent
registration statement filed pursuant to Rule 462(b) under the Securities Act
of 1933, and generally to do all such things in our names and in our capacities
as directors to enable Gold Banc Corporation, Inc. to comply with the
provisions of the Securities Act of 1933, and all requirements of the
Securities and Exchange Commission, hereby ratifying and confirming our
signature as they may be signed by our said attorneys, or any of them, to said
Registration Statement and any and all amendments thereto.
 
   Pursuant to the requirements of the Securities Act of 1933, this Post-
Effective Amendment to the Registration Statement has been signed by the
following persons in the capacities indicated.
 
<TABLE>
<CAPTION>
             Signature                           Title                    Date
             ---------                           -----                    ----
 
 
<S>                                  <C>                           <C>
     /s/ Michael W. Gullion          Chairman of the Board and       April 28, 1999
____________________________________  Chief Executive Officer
         Michael W. Gullion           (Principal Executive
                                      Officer)
 
      /s/ Malcolm M. Aslin           Director, President and         April 28, 1999
____________________________________  Chief Operating Officer
          Malcolm M. Aslin
 
      /s/ Keith E. Bouchey           Director, Executive Vice        April 28, 1999
____________________________________  President, Chief Financial
          Keith E. Bouchey            Officer and Corporate
                                      Secretary
                                      (Principal Financial
                                      Officer)
 
     /s/ Brian J. Ruisinger          Treasurer and Controller        April 28, 1999
____________________________________  (Principal Accounting
         Brian J. Ruisinger           Officer)
 
      /s/ William Wallman            Director                        April 28, 1999
____________________________________
          William Wallman
 
     /s/ D. Michael Browne           Director                        April 28, 1999
____________________________________
         D. Michael Browne
 
</TABLE>
 
 
                                      II-4
<PAGE>
 
<TABLE>
<S>                                  <C>                           <C>
     /s/ William F. Wright           Director                        April 28, 1999
____________________________________
         William F. Wright
 
     /s/ Allen D. Petersen           Director                        April 28, 1999
____________________________________
         Allen D. Petersen
 
                                     Director                        April   , 1999
____________________________________
       William R. Hagman, Jr.
</TABLE>
 
 
 
                                      II-5
<PAGE>
 
                               INDEX TO EXHIBITS
 
<TABLE>
<CAPTION>
  Exhibit
   Number                          Description of Exhibit
  -------                          ----------------------
 <C>        <S>
  1         Form of Underwriting Agreement
 
  3(a)(i)   Restated Articles of Incorporation of the Company*
 
  3(a)(ii)  Certificate of Amendment to Restated Articles of Incorporation**
 
  3(a)(iii) Amended and Restated Bylaws of the Company*
 
  3(b)      Certificate of Amendment to Restated Articles of Incorporation
 
  4(a)      Provisions of the Amended and Restated Articles of Incorporation
            and the Restated Bylaws of the Company defining the rights of
            holders of the Company's common stock (included in Exhibits
            3(a)(i), (ii), and (iii) and 3(b)).
 
  4(b)      Registration Rights Agreement among the Company, Daniel Buford, Sam
            Buford, Sharon Buford, Stephen Buford, Dillard Enterprises, L.L.C.,
            Eric M. Bohne Revocable Family Trust #1 and Eric M. Bohne Revocable
            Family Trust #2, dated as of December 10, 1998.***
 
  5         Opinion of Blackwell Sanders Peper Martin LLP
 
 23(a)      Consent of KPMG LLP
 
            Consent of Blackwell Sanders Peper Martin LLP (included in Exhibit
 23(b)      5)
 
            Powers of Attorney (included in signature pages to Registration
 24         Statement)
</TABLE>
- --------
*  Previously filed as an Exhibit to the Company's Registration Statement on
   Form SB-2 No. 333-12377 and the same is incorporated herein by reference.
** Previously filed as an Exhibit to the Company's Registration Statement on
   Form S-4 No. 333-28563 and the same is incorporated herein by reference.
*** Previously filed as an Exhibit to the Company's Annual Report on Form 10-K
    for the year ended December 31, 1998 and the same is incorporated herein by
    reference.

<PAGE>
                                                                       Exhibit 1

                                751,045 Shares

            (plus 112,655 Shares to cover over-allotments, if any)

                                        
                          GOLD BANC CORPORATION, INC.
                                        
                    Common Stock, Par Value $1.00 Per Share
                                        

                            UNDERWRITING AGREEMENT
                            ----------------------
                                        

                                                              ____________, 1999


ADVEST, INC.
As Representative (the "Representative") of the
  Several Underwriters Named in Schedule I hereto
One Rockefeller Center, 20th Floor
New York, NY  10020

Ladies and Gentleman:

     Certain stockholders of Gold Banc Corporation, Inc., a Kansas corporation
(the "Company") listed on Schedule II hereto (the "Selling Shareholders"),
propose, subject to the terms and conditions stated herein, to sell to the
several Underwriters named in Schedule I hereto (the "Underwriters"), an
aggregate of _________ shares (the "Firm Shares") of Common Stock, $1.00 par
value (the "Common Stock"), of the Company. Each Selling Shareholder shall sell
the number of Firm Shares set forth opposite its name on Schedule II hereto. If
the Representative is the only firm named in Schedule I hereto, then the terms
"Underwriters" and "Representative," as used herein, shall each be deemed to
refer to such firm.

     In addition, in order to cover over-allotments in the sale of the Firm
Shares, the Underwriters may, at the Representative's election and subject to
the terms and conditions stated herein, purchase ratably in proportion to the
amounts set forth opposite their respective names in Schedule I hereto, up to
112,655 additional shares of Common Stock from the Selling Shareholder (such
additional shares of Common Stock, the "Optional Shares"). Each Selling
Shareholder shall sell a number of Optional Shares equal to the proportion of
the Firm Shares sold by such Selling Shareholder to the total number of Firm
Shares. The Firm Shares and the Optional Shares are referred to collectively as
the "Shares."

     The Selling Shareholders and the Company, intending to be legally bound,
hereby confirm their agreement as follows:

     1. Representations and Warranties of the Selling Shareholders. The Selling
Shareholders represent and warrant to, and agree with, the Company and the
Underwriters that:

<PAGE>
 
          (a)  This Agreement has been duly authorized, executed and delivered
by or on behalf of the Selling Shareholders, and assuming due execution by the
Company and the Representative, constitutes the valid and binding agreement of
the Selling Shareholders, enforceable against the Selling Shareholders in
accordance with its terms.

          (b)  The execution and delivery by the Selling Shareholders of, and
the performance by the Selling Shareholders of their obligations under, this
Agreement and the Power of Attorney appointing certain individual(s) as such
Selling Shareholders' attorney(s)-in-fact to the extent set forth therein,
relating to the transactions contemplated hereby and by the Registration
Statement (as hereinafter defined) (the "Power of Attorney") will not (with or
without the giving of notice or the passage of time or both) (i) conflict with
any term or provision of the Selling Shareholders' organizational documents, as
amended, (ii) result in a breach or violation of any of the terms or provisions
of, or constitute a default under, any indenture, mortgage, deed of trust, loan
agreement, lease or other agreement or instrument to which any Selling
Shareholder is a party or to which its properties or assets is subject or (iii)
conflict with or violate any law, statute, rule or regulation or any order,
judgment or decree of any court or governmental agency or body having
jurisdiction over the Selling Shareholders or any of the Selling Shareholders'
properties or assets.

          (c)  The Selling Shareholders will have, as of each Time of Delivery
(as hereinafter defined), valid title to the Shares and the legal right and
power, and all authorization and approval required by law, to enter into this
Agreement and the Power of Attorney and to sell, transfer and deliver the
Shares.

          (d)  The Power of Attorney has been duly authorized, executed and
delivered by the Selling Shareholders and is a valid and binding agreement of
the Selling Shareholders.

          (e)  Upon delivery of the certificates for the Shares properly
indorsed to the Underwriters and payment of the purchase price therefor pursuant
to this Agreement, title to such Shares will be passed to the Underwriters, free
and clear of all liens, security interests, pledges, charges, equities, and
other encumbrances, other than as created by or through the Underwriters.

          (f)  The Selling Shareholders do not require any consent, approval,
authorization, order or declaration of or from, or registration, qualification
or filing with, any court or governmental agency or body in connection with the
sale of the Shares to be sold by the Selling Shareholders or the consummation of
the transactions contemplated by this Agreement, except for the registration of
the Shares under the Securities Act, and such as may be required by the NASD (as
hereinafter defined) and under state securities or blue sky laws in connection
with the offer, sale and distribution of the Shares by the Underwriters.

          (g)  The Selling Shareholders have not (i) taken, directly or
indirectly, any action designed to cause or result in, or that has constituted
or might reasonably be expected to constitute, the stabilization or manipulation
of the price of any security of the

                                       2
<PAGE>
 
Company to facilitate the sale or resale of the Shares or (ii) since the filing
of the Registration Statement (A) sold, bid for, purchased or paid anyone any
compensation for soliciting purchases of, the Shares or (B) paid or agreed to
pay to any person any compensation for soliciting another to purchase any other
securities of the Company, other than pursuant to this Agreement.

          (h)  The information set forth in the section entitled "Selling
Stockholders" was the only written information furnished to the Company by and
on behalf of any Selling Shareholder expressly for use in connection with the
preparation of the Registration Statement, and is correct and complete in all
material respects and does not include any untrue statement of a material fact
or omit to state any material fact required to be stated therein or necessary to
make the statements therein not misleading.

     Any certificate signed by any Selling Shareholder or any authorized
representative of any Selling Shareholder and delivered to the Representative or
to counsel for the Underwriters shall be deemed a representation and warranty of
the Selling Shareholders to the Underwriters as to the matters covered thereby.

     Any certificate delivered by the Selling Shareholders to their counsel for
purposes of enabling such counsel to render an opinion pursuant to Section 10
will also be furnished to the Representative and counsel for the Underwriters
and shall be deemed to be additional representations and warranties to the
Underwriters by the Selling Shareholders as to the matters covered thereby.

     2.   Representations and Warranties of the Company.  The Company represents
and warrants to each of the Underwriters and the Selling Shareholders as of the
date hereof and as of each Time of Delivery, and agrees with, the Underwriters
and the Selling Shareholders that:

          (a)  The Company meets the requirements for the use of Form S-3 under
     the Securities Act. The Company has filed with the Securities and Exchange
     Commission (the "Commission") a post-effect amendment to a registration
     statement on Form S-4 (No. 333-65539) and a related preliminary prospectus
     for the registration of the Shares under the Securities Act of 1933, as
     amended (the "Securities Act"), and the rules and regulations thereunder
     (the "Securities Act Regulations"). The Company has prepared and filed such
     amendments thereto, if any, and such amended preliminary prospectuses, if
     any, as may have been required to the date hereof, and will file such
     additional amendments thereto and such amended prospectuses as may
     hereafter be required. The registration statement and the post-effective
     amendment have been declared effective under the Securities Act by the
     Commission. The post-effective amendment as amended at the time it became
     effective (including the Prospectus and all information deemed to be a part
     of the post effective amendment at the time it became effective pursuant to
     Rule 430A(b) of the Securities Act Regulations) is hereinafter called the
     "Registration Statement," except that, if the Company files a further post-
     effective amendment to such post-effective amendment which becomes
     effective prior to the First Time of Delivery, "Registration Statement"
     shall refer to such post-effective amendment as so amended. Each prospectus
     included in the Registration Statement and also relating to the offering of
     the Shares, or amendments

                                       3
<PAGE>
 
thereof, before it became effective under the Securities Act and any prospectus
filed with the Commission by the Company with the consent of the Representative
pursuant to Rule 424(a) of the Securities Act Regulations and also relating to
the offering of the Shares (including the documents incorporated by reference
therein) is hereinafter called the "Preliminary Prospectus." The term
"Prospectus" means the final prospectus relating to the sale of the Shares
(including the documents incorporated by reference therein, if any), as first
filed with the Commission pursuant to paragraph (1) or (4) of Rule 424(b) of the
Securities Act Regulations. The Commission has not issued any order preventing
or suspending the use of any Preliminary Prospectus.

          (b)  The Company is duly incorporated and validly existing as a
corporation in good standing under the laws of the State of Kansas with full
power and authority (corporate and other) to own, lease, and operate its
properties and conduct its business as described in the Prospectus (as defined
in Section 2(a) of this Agreement); the Company is duly registered under the
Bank Holding Company Act of 1956, as amended (the "BHCA"); the Company has no
subsidiaries except those described in the Registration Statement (each a
"Subsidiary"); the Company owns, directly or indirectly, beneficially and of
record all of the outstanding capital stock of each Subsidiary free and clear of
any claim, lien, encumbrance or security interest, except as described in the
Prospectus. The Company and each of its Subsidiaries is duly qualified to do
business and is in good standing as a foreign corporation in each jurisdiction
in which any of them own or lease properties, has an office, or in which the
business conducted by any of them make such qualification necessary, except
where the failure to so qualify would not have a material adverse effect on the
condition (financial or otherwise), business, prospects, assets, properties,
results of operations, or net worth of the Company and its Subsidiaries taken as
a whole ("Material Adverse Effect"); and no proceeding has been instituted in
any jurisdiction revoking, limiting or curtailing, or seeking to revoke, limit
or curtail, such power and authority or qualification.

          (c)  The Company's authorized, issued and outstanding capital stock is
as disclosed in the Prospectus as of the date set forth therein (except for
subsequent issuance, if any, pursuant to reservations, agreements, or employee
benefit plans described in the Prospectus or pursuant to the exercise of
convertible securities or options described in the Prospectus). All of the
issued shares of capital stock of the Company have been duly authorized and
validly issued, are fully paid and nonassessable and conform to the descriptions
of the Common Stock contained in the Prospectus. None of the issued and
outstanding shares of capital stock of the Company or any of its subsidiaries
has been issued in violation of any statutory preemptive rights of shareholders.

          (d)  Except as disclosed in the Prospectus (and except for subsequent
issuances of options, capital stock, or other rights under agreements, employee
benefit plans, or other arrangements referred to in the Prospectus), there are
no outstanding (i) securities or obligations of the Company or any of its
subsidiaries convertible into or exchangeable for any capital stock of the
Company or any of its subsidiaries, (ii) warrants, rights or options to
subscribe for or purchase from the Company or any of its subsidiaries any such
capital stock or any such convertible or exchangeable securities or obligations
or (iii) obligations of the Company or any of its subsidiaries to issue any

                                       4
<PAGE>
 
shares of capital stock, any such convertible or exchangeable securities or
obligations, or any such warrants, rights or options.

          (e)  Except as disclosed in or contemplated by the Registration
Statement or the Prospectus, since the respective dates as of which information
is given in the Registration Statement and the Prospectus, (i) neither the
Company nor any of its subsidiaries has incurred any liabilities or obligations,
direct or contingent, or entered into any transactions, not in the ordinary
course of business, that are material to the Company and its subsidiaries taken
as a whole, (ii) the Company has not purchased any of its outstanding capital
stock or declared, paid or otherwise made any dividend or distribution of any
kind on its capital stock, (iii) there has not been any material change in the
capital stock, or a material increase in long-term debt or short-term debt of
the Company or any of its subsidiaries, and (iv) there has not been any material
adverse change to, or any development which is reasonably likely to have a
Material Adverse Effect on, the Company or its subsidiaries taken as a whole.

          (f)  Except as disclosed in the Prospectus, there are no contracts,
agreements or understandings between the Company and any person granting such
person the right to require the Company to file a registration statement under
the Securities Act with respect to any securities of the Company owned or to be
owned by such person or, requiring the Company to include such securities in the
securities registered pursuant to the Registration Statement (or any such right
has been effectively waived) or requiring the registration of any securities
pursuant to any other registration statement filed by the Company under the
Securities Act. Neither the filing of the Registration Statement nor the
offering or sale of Shares as contemplated by this Agreement gives any security
holder of the Company any rights for or relating to the registration of any
shares of Common Stock or any other capital stock of the Company, except such as
have been satisfied or waived.

          (g)  Neither the Company nor any Subsidiary, is, or with the giving of
notice or lapse of time or both will be, in violation or breach of, or in
default under, nor will the execution or delivery of, or the performance and
consummation of the transactions contemplated by this Agreement, conflict with,
or result in a violation or breach of, or constitute a default under, any
provision of the organization documents of the Articles of Incorporation (as
amended or restated), Bylaws (as amended or restated) of the Company, or other
governing documents of the Company or any Subsidiary, or of any provision of any
agreement, contract, mortgage, deed of trust, lease, loan agreement, indenture,
note, bond, or other evidence of indebtedness, or other material agreement or
instrument to which the Company or any Subsidiary is a party or by which any of
them is bound or to which any of their properties is subject, nor will the
performance by the Company of their obligations hereunder violate any rule,
regulation, order, or decree, applicable to the Company or any Subsidiary of any
court or any regulatory body, administrative agency, or other governmental body
having jurisdiction over the Company or any Subsidiary or any of their
respective properties, or any order of any court or governmental agency or
authority entered in any proceeding to which the Company or any Subsidiary was
or is now a party or by which it is bound, except those, if any, described in
the Prospectus or which are not material to the Company taken as a whole.

                                       5
<PAGE>
 
No consent, approval, filing, authorization, registration, qualification, or
order, including with or by any bank regulatory agency, is required for the
execution, delivery, and performance of this Agreement or the consummation of
the transactions contemplated by this Agreement, other than such that have been
obtained or made, except for compliance with the Securities Act, the Securities
Exchange Act of 1934, as amended (the "Exchange Act"), and the Blue Sky Laws
applicable to the public offering of the Shares by the Underwriters, the
clearance of such offering and the underwriting arrangements evidenced hereby
with the National Association of Securities Dealers, Inc. ("NASD"), and the
listing of the Shares on the Nasdaq Stock Market. This Agreement has been duly
authorized, executed and delivered by the Company and constitutes a valid and
binding obligation of the Company and is enforceable against the Company in
accordance with its terms.

          (h)  The Commission has not issued any order preventing or suspending
the use of any Preliminary Prospectus, and each Preliminary Prospectus complies
in all material respects with the requirements of the Securities Act and the
Securities Act Regulations. As of the effective date of the Registration
Statement, and at all times subsequent thereto up to each Time of Delivery, the
Registration Statement and the Prospectus, and any amendments or supplements
thereto, contained or will contain all material statements that are required to
be stated therein in accordance with the Securities Act and the Securities Act
Regulations and conformed or will conform in all material respects to the
requirements of the Securities Act and the Securities Act Regulations, and
neither the Registration Statement nor the Prospectus, nor any amendment or
supplement thereto included or will include any untrue statement of a material
fact or omitted or will omit to state a material fact required to be stated
therein or necessary to make the statements therein not misleading; provided,
however, that no representation or warranty is made as to information contained
in or omitted from the Registration Statement, the Prospectus or any amendment
or supplement in reliance upon and in conformity with written information
furnished to the Company on behalf of the Underwriters or by the Selling
Shareholders.

          (i)  KPMG LLP, which has audited, reviewed, and expressed its opinion
with respect to certain of the financial statements and schedules filed with the
Commission as a part of the Registration Statement and included or to be
included, as the case may be, in the Prospectus and in the Registration
Statement, and whose report is included in the Prospectus and the Registration
Statement, are independent accountants as required by the Securities Act and the
Securities Act Regulations.

          (j)  The financial statements and schedules and the related notes
thereto included or to be included, as the case may be, in the Registration
Statement, the Preliminary Prospectus, and the Prospectus present fairly the
financial position of the entities purported to be shown thereby as of the
respective dates of such financial statements and schedules, and the results of
operations and changes in equity and in cash flows of the entities purported to
be shown thereby for the respective periods covered thereby, all in conformity
with generally accepted accounting principles consistently applied throughout
the periods involved, except as may be disclosed in the Prospectus. All
adjustments necessary for a fair presentation of the results of such periods
have been made. The financial, operating, and statistical information set forth
in the Prospectus

                                       6
<PAGE>
 
under captions "Prospectus Summary" and "Selected Consolidated Financial Data"
are fairly presented and prepared on a basis consistent with the audited
financial statements of the Company.

          (k)  There is no litigation or governmental proceeding, action, or
investigation pending or, to the knowledge of the Company, threatened, to which
the Company or any Subsidiary is or may be a party or to which property owned or
leased by the Company or any Subsidiary is or may be subject, or related to
environmental or discrimination matters, which is required to be disclosed in
the Registration Statement or the Prospectus by the Securities Act or the
Securities Act Regulations and is not so disclosed, or which questions the
validity of this Agreement or any action taken or to be taken pursuant hereto.

          (l)  Either the Company or a Subsidiary, as the case may be, has good
and marketable title in fee simple to all items of real property and good and
marketable title to all the personal properties and assets reflected as owned by
the Company or a Subsidiary in the Prospectus (or elsewhere in the Registration
Statement), in each case clear of all liens, mortgages, pledges, charges, or
encumbrances of any kind or nature except those, if any, reflected in the
financial statements described above (or elsewhere in the Registration
Statement) or which are not material to the Company and its Subsidiaries taken
as a whole; all properties held or used by the Company or a Subsidiary under
leases, licenses, franchises or other agreements are held by them under valid,
existing, binding, and enforceable leases, franchises, licenses, or other
agreements with respect to which it is not in default.

          (m)  Neither the Company nor any Subsidiary has taken or will take,
directly or indirectly, any action designed to cause or result in, or which has
constituted or which might reasonably be expected to constitute, stabilization
or manipulation, under the Exchange Act or otherwise, of the price of the
Shares.

          (n)  Except as reflected in or contemplated by the Registration
Statement, since the respective dates as of which information is given in the
Registration Statement and prior to each Time of Delivery:

               (i)    neither the Company nor any Subsidiary has or will have
     incurred any material liabilities or obligations, direct or contingent, or
     entered into any material transaction not in the ordinary course of
     business without the prior consent of the Representative;

               (ii)   neither the Company nor any Subsidiary has or will have
     paid or declared any dividend or other distribution with respect to its
     capital stock and neither the Company nor any Subsidiary has or will be
     delinquent in the payment of principal or interest on any outstanding debt
     obligations; and

               (iii)  there has not been and will not be any change in the
     capital stock or any material change in the indebtedness of the Company or
     any Subsidiary, or any adverse change in the condition (financial or
     otherwise), or any

                                       7
<PAGE>
 
     development involving a prospective adverse change in their respective
     businesses (resulting from litigation or otherwise), prospects, properties,
     condition (financial or otherwise), net worth, or results of operations
     which is material to the Company and its Subsidiaries taken as a whole.

          (o)  There is no contract or other document, transaction, or
relationship required to be described in the Registration Statement, or to be
filed as an exhibit to the Registration Statement, by the Securities Act or by
the Securities Act Regulations that has not been described or filed as required.

          (p)  All documents delivered or to be delivered by the Company or any
of their representatives in connection with the issuance and sale of the Shares
were on the dates on which they were delivered, or will be on the dates on which
they are to be delivered, true, complete, and correct in all material respects.

          (q)  The Company and each Subsidiary have filed all necessary federal
and all state and foreign income and franchise tax returns and paid all taxes
shown as due thereon; and no tax deficiency has been asserted or threatened
against the Company or any Subsidiary that would have a Material Adverse Effect,
except as described in the Prospectus.

          (r)  Neither the Company nor any Subsidiary has, directly or
indirectly, at any time:

               (i)    made any unlawful contribution to any candidate for
     political office, or failed to disclose any contribution in violation of
     law; or

               (ii)   made any payment to any federal, state, local, or foreign
     government officer or official, or other person charged with similar public
     or quasi-public duties, other than payments required or permitted by the
     laws of the United States or any jurisdiction thereof or applicable foreign
     jurisdictions.

          (s)  The Company or a Subsidiary owns or possesses adequate rights to
use all patents, patent applications, trademarks, service marks, trade names,
trademark registrations, servicemark registrations, copyrights, and licenses
necessary for the conduct of the business of the Company and the Subsidiaries or
ownership of their respective properties, and neither the Company nor any
Subsidiary has received notice of conflict with the asserted rights of others in
respect thereof which has not been resolved.

          (t)  The Company and each Subsidiary have in place and effective such
policies of insurance, with limits of liability in such amounts, as are normal
and prudent in the ordinary scope of business similar to that of the Company and
such Subsidiary in the respective jurisdiction in which they conduct business.

          (u)  The Company and each Subsidiary have and hold, and at each Time
of Delivery will have and hold, and are operating in compliance with, and have
fulfilled and performed all of their material obligations with respect to, all
permits, certificates, franchises, grants, easements, consents, licenses,
approvals, charters,

                                       8
<PAGE>
 
registrations, authorizations, and orders (collectively, "Permits") required
under all laws, rules, and regulations in connection with their respective
businesses, and all of such Permits are in full force and effect; and there is
no pending proceeding, and neither the Company nor any Subsidiary has received
notice of any threatened proceeding, relating to the revocation or modification
of any such Permits. Neither the Company nor any Subsidiary is (by virtue of any
action, omission to act, contract to which it is a party or by which it is
bound, or any occurrence or state of facts whatsoever) in violation of any
applicable federal, state, municipal, or local statutes, laws, ordinances,
rules, regulations and/or orders issued pursuant to foreign, federal, state,
municipal, or local statutes, laws, ordinances, rules, or regulations (including
those relating to any aspect of banking, bank holding companies, environmental
protection, occupational safety and health, and equal employment practices)
heretofore or currently in effect, except such violation that has been fully
cured or satisfied without recourse or that is not reasonably likely to have a
Material Adverse Effect.

          (v)  The provisions of any employee pension benefit plan ("Pension
Plan") as defined in Section 3(2) of the Employee Retirement Income Security Act
of 1974, as amended ("ERISA"), in which the Company or any Subsidiary is a
participating employer are in substantial compliance with ERISA, and neither the
Company nor any Subsidiary is in violation of ERISA. The Company, each
Subsidiary, or the plan sponsor thereof, as the case may be, has duly and timely
filed the reports required to be filed by ERISA in connection with the
maintenance of any Pension Plans in which the Company or any Subsidiary is a
participating employer, and no facts, including any "reportable event" as
defined by ERISA and the regulations thereunder, exist in connection with any
Pension Plan in which the Company or any Subsidiary is a participating employer
which might constitute grounds for the termination of such plan by the Pension
Benefit Guaranty Corporation or for the appointment by the appropriate U.S.
District Court of a trustee to administer any such plan. The provisions of any
employee benefit welfare plan, as defined in Section 3(1) of ERISA, in which the
Company or any Subsidiary is a participating employer, are in substantial
compliance with ERISA, and the Company, any Subsidiary, or the plan sponsor
thereof, as the case may be, has duly and timely filed the reports required to
be filed by ERISA in connection with the maintenance of any such plans.

          (w)  The Company is not an open-end investment company, unit
investment trust or face-amount certificate company that is, or is required to
be, registered under Section 8 of the Investment Company Act of 1940, as
amended, or subject to regulation under such Act.

          (x)  Exchange National Bank, Provident Bank, f.s.b., Farmers National
Bank, Peoples National Bank, Citizens State Bank and Trust Company, First
National Bank in Alma, Farmers State Bank, The First State Bank and Trust
Company, Peoples State Bank, The Trust Company, and Citizens Bank of Tulsa, hold
deposits that are insured by the Federal Deposit Insurance Corporation ("FDIC")
up to the legal limits. Each of Exchange National Bank, Farmers National Bank,
Peoples National Bank, First National Bank in Alma and Citizens Bank of Tulsa
are members in good standing of the Federal Reserve System.

                                       9
<PAGE>
 
          (y)  Neither this Agreement nor any certificate, statement or other
document delivered or to be delivered by the Company or any Subsidiary contains
or will contain any untrue statement of a material fact or omits or will omit to
state a material fact required to be stated therein or necessary to make the
statements therein not misleading.

     Any certificate signed by any director or officer of the Company and
delivered to the Representative or to counsel for the Underwriters shall be
deemed a representation and warranty of the Company to the Underwriters as to
the matters covered thereby.

     Any certificate delivered by the Company to their counsel for purposes of
enabling such counsel to render an opinion pursuant to Section 10 will also be
furnished to the Representative and counsel for the Underwriters and shall be
deemed to be additional representations and warranties to the Underwriters by
the Company as to the matters covered thereby.

     3.   Purchase and Sale of Shares.

          (a)  Subject to the terms and conditions herein set forth, the Selling
Shareholders agree to sell to each of the Underwriters, and each of the
Underwriters agrees, severally and not jointly, to purchase from the Selling
Shareholders, at a purchase price of ___________________________ ($_____) per
share (the "Per Share Price"), the number of Firm Shares (to be adjusted by the
Representative so as to eliminate fractional shares) set forth opposite the name
of such Underwriter in Schedule I hereto.

          (b)  The Selling Shareholders hereby grant to the Underwriters the
right to purchase at the Representative's election in whole or in part from time
to time up to ________ Optional Shares, at the Per Share Price, for the sole
purpose of covering over-allotments in the sale of the Firm Shares. Any such
election to purchase Optional Shares may be exercised by written notice from the
Representative to the Selling Shareholders, given at any time (but not more than
once) within a period of 30 calendar days after the date of this Agreement and
setting forth the aggregate number of Optional Shares to be purchased and the
date on which such Optional Shares are to be delivered, as determined by the
Representative but in no event earlier than the First Time of Delivery (as
hereinafter defined) or, unless the Representative otherwise agrees in writing,
earlier than two or later than ten business days after the date of such notice.
In the event the Underwriters elect to purchase all or a portion of the Optional
Shares, the Selling Shareholders agree to furnish or cause to be furnished to
the Representative the certificates, letters and opinions, and to satisfy all
conditions, set forth in Section 10 hereof at the Subsequent Time of Delivery
(as hereinafter defined).

          (c)  In making this Agreement, each Underwriter is contracting
severally, and not jointly, and except as provided in Sections 3(b) and 13
hereof, the agreement of each Underwriter is to purchase only that number of
shares specified with respect to that Underwriter in Schedule I hereto. No
Underwriter shall be under any obligation to purchase any Optional Shares prior
to an exercise of the option with respect to such Shares granted pursuant to
Section 3(b) hereof.

                                      10
<PAGE>
 
     4.   Representations and Warranties of the Underwriters.  The
Representative, on behalf of the Underwriters, represents and warrants to the
Company and the Selling Shareholders that the information set forth (a) in the
last paragraph in the box on the left of the front cover page of the Prospectus
and (b) in the third and eighth paragraphs of the section in the Prospectus
entitled "Underwriting" was the only written information furnished to the
Company by and on behalf of any Underwriter expressly for use in connection with
the preparation of the Registration Statement, and is correct and complete in
all material respects and does not include any untrue statement of a material
fact or omit to state any material fact required to be stated therein or
necessary to make the statements therein not misleading.

     5.   Offering by the Underwriters. Upon the authorization by the
Representative of the release of the Shares, the several Underwriters propose to
offer the Shares for sale upon the terms and conditions disclosed in the
Prospectus.

     6.   Delivery of Shares, Closing.  Certificates in definitive form for the
Shares to be purchased by each Underwriter hereunder, and in such denominations
and registered in such names as the Representative may request upon at least 48
hours' prior notice to the Company, shall be delivered by or on behalf of the
Selling Shareholders to the Representative for the account of each Underwriter,
against payment by such Underwriter on its behalf of the purchase price therefor
by wire transfer of immediately available funds to such accounts as the Selling
Shareholders shall designate in writing. The closing of the sale and purchase of
the Shares shall be held at the offices of Arnold & Porter, 555 12th Street,
N.W., Washington, D.C. 20004. The time and date of such delivery and payment
shall be, with respect to the Firm Shares, at 9:00 a.m., Eastern Time, on the
fourth (4th) full business day after this Agreement is executed or at such other
time and date as the Representative and the Selling Shareholders may agree upon
in writing, and, with respect to the Optional Shares, at 9:00 a.m., Eastern
Time, on the date specified by the Representative in the written notice given by
the Representative of the Underwriters' election to purchase all or part of such
Optional Shares, or at such other time and date as the Representative and the
Selling Shareholders may agree upon in writing. Such time and date for delivery
of the Firm Shares is herein called the "First Time of Delivery," such time and
date for delivery of any Optional Shares, if not the First Time of Delivery, is
herein called a "Subsequent Time of Delivery," and each such time and date for
delivery is herein called a "Time of Delivery." The Selling Shareholders will
make such certificates available for checking and packaging at least 24 hours
prior to each Time of Delivery at the office of Arnold & Porter, 555 12th
Street, N.W., Washington, DC 20004, or at such other location specified by the
Representative in writing at least 48 hours prior to such Time of Delivery.

     7.   Covenants of the Selling Shareholders.  The Selling Shareholders
covenant and agree with the Underwriters that:

          (a)  The Selling Shareholders will cooperate to the extent necessary
to cause the Registration Statement, if not effective prior to the execution and
delivery of this Agreement, to become effective.

                                      11
<PAGE>
 
          (b)  The Selling Shareholders will pay all federal and other taxes, if
any on the transfer or sale of the Shares.

          (c)  The Selling Shareholders will do or perform all things required
to be done or performed by the Selling Shareholders prior to each Time of
Delivery to satisfy all conditions precedent to the delivery of the Shares
pursuant to this Agreement.

          (d)  The Selling Shareholders will use their best efforts to satisfy
or cause to be satisfied the conditions to the obligations of the Underwriters
in Section 10 hereof to the extent within their control.

          (e) The Selling Shareholders will perform all of their obligations
under the Registration Rights Agreement entered between the Selling Shareholders
and the Company on December 10, 1998 pertaining to the offering of the Shares
(the "Registration Rights Agreement").

          (f)  The Selling Shareholders have not taken, nor will they take,
directly or indirectly, any action designed to or that might reasonably be
expected to cause or result in stabilization or manipulation of the price of
Common Stock to facilitate the sale or resale of the Shares.

     8.   Covenants of the Company.  The Company covenants and agrees with the
Underwriters that:

          (a)  If any information shall have been omitted from the Registration
Statement in reliance upon Rule 430A, the Company, at the earliest possible
time, will furnish the Representative with copies of the Prospectus to be filed
by the Company with the Commission to comply with Rule 424(b) and Rule 430A
under the Securities Act, and will file such Prospectus with the Commission in
compliance with such Rules. Upon compliance with such Rules, the Company will so
advise the Representative promptly. The Company will advise the Representative
and counsel to the Underwriters promptly of the issuance by the Commission of
any stop order suspending the effectiveness of the Registration Statement or of
the institution of any proceedings for that purpose, or of any notification
received by the Company of the suspension of qualification of the Common Stock
for sale in any jurisdiction or the initiation or threatening of any proceedings
for that purpose, or of any notification received by the Company of the
suspension of qualification of the Common Stock for sale in any jurisdiction or
the initiation or threatening of any proceedings for that purpose. The Company
also will advise the Representative and counsel to the Underwriters promptly of
any request of the Commission for amendment or supplement of the Registration
Statement, of any Preliminary Prospectus, or of the Prospectus, or for
additional information, and the Company will not file any amendment or
supplement to the Registration Statement (either before or after it becomes
effective), to any Preliminary Prospectus, or to the Prospectus (including a
prospectus filed pursuant to Rule 424(b)) if the Representative has not been
furnished with copies prior to such filing or if the Representative reasonably
objects to such filing.

                                      12
<PAGE>
 
          (b)  For the period during which a Prospectus relating to the Common
Stock is required to be delivered under the Securities Act, the Company shall
comply with all requirements imposed on them by the Securities Act, as now and
hereafter amended, and by the Securities Act Regulations, as from time to time
in force, so far as is necessary to permit the continuance of sales or dealings
in the Common Stock as contemplated by the provisions hereof and the Prospectus.
If any event occurs as a result of which the Prospectus, including any
subsequent amendment or supplement, would include an untrue statement of a
material fact, or would omit to state any material fact required to be stated
therein or necessary to make the statements therein, in the light of the
circumstances under which they were made, not misleading, or if it becomes
necessary at any time to amend the Prospectus, including any amendment or
supplement thereto, to comply with the Securities Act, the Company promptly will
advise the Representative and counsel to the Underwriters thereof and the
Company will promptly prepare and file with the Commission an amendment or
supplement that will correct such statement or omission or an amendment that
will effect such compliance; and, if any Underwriter is required to deliver a
prospectus nine (9) months or more after the effective date of the Registration
Statement, the Company, upon request of the Representative but at the expense of
such Underwriter, will prepare promptly such prospectus or prospectuses as may
be necessary to permit compliance with the requirements of Section 10(a)(3) of
the Securities Act.

          (c)  The Company will not, prior to the Subsequent Time of Delivery or
thirty (30) days after the date of this Agreement, whichever occurs first,
without the prior consent of the Representative, incur any material liability or
obligation, direct or contingent, or enter into any material transaction, other
than in the ordinary course of business, or any transaction with a related party
which is required to be disclosed in the Prospectus pursuant to Item 404 of
Regulation S-K under the Securities Act, except as contemplated by the
Prospectus.

          (d)  The Company will make generally available to its security holders
and the Representative an earnings statement of the Company as soon as
practicable, but in no event later than fifteen (15) months after the end of the
Company's current fiscal quarter, covering a period of twelve (12) consecutive
calendar months beginning after the effective date of the Registration
Statement, but beginning not later than four (4) months after such effective
date, which will satisfy the provisions of the last subsection of Section 11(a)
of the Securities Act and Rule 158 promulgated thereunder.

          (e)  During such period as a prospectus is required by law to be
delivered in connection with sales by an underwriter or dealer, the Company will
furnish to the Representative, at the expense of the Company, copies of the
Registration Statement, the Prospectus, any Preliminary Prospectus, and all
amendments and supplements to any such documents, in each case as soon as
available and in such quantities as the Representative may reasonably request,
for the purposes contemplated by the Securities Act.

          (f)  The Company will use its best efforts to take or cause to be
taken in cooperation with the Representative and counsel to the Underwriters all
actions

                                      13
<PAGE>
 
required in qualifying or registering the Common Stock for sale under the Blue
Sky Laws of such jurisdictions as the Representative may reasonably designate,
provided the Company shall not be required to qualify generally as a foreign
corporation or as a dealer in securities or to consent generally to the service
of process under the law of any such state (except with respect to the offering
and sale of the Common Stock), and will continue such qualifications or
registrations in effect so long as reasonably requested by the Representative to
effect the distribution of the Common Stock (including, without limitation,
compliance with all undertakings given pursuant to such qualifications or
registrations). In each jurisdiction where any of the Common Stock shall have
been qualified as provided above, the Company will file such reports and
statements as may be required to continue such qualification for a period of not
less than one (1) year from the date of this Agreement.

          (g)  The Company will furnish to its security holders annual reports
containing financial statements audited by independent public accountants.
During the period ending three (3) years after the date of this Agreement, (i)
as soon as practicable after the end of the fiscal year, the Company will
furnish to the Representative two copies of the annual report of the Company
containing the audited consolidated balance sheet of the Company as of the close
of such fiscal year and corresponding audited consolidated statements of
earnings, stockholders' equity and cash flows for the year then ended, and (ii)
the Company will file promptly and will furnish to the Representative at or
before the filing thereof copies of all reports and any definitive proxy or
information statements required to be filed by the Company with the Commission
pursuant to Section 13, 14, or 15 of the Exchange Act. During such three-year
period the Company also will furnish to the Representative one copy of the
following:

               (i)    as soon as practicable after the filing thereof, each
     other report, statement, or other document filed by the Company with the
     Commission;

               (ii)   as soon as practicable after the filing thereof, all
     reports, statements, other documents and financial statements furnished by
     the Company to Nasdaq pursuant to requirements of or agreements with
     Nasdaq; and

               (iii)  as soon as available, each report, statement, or other
document of the Company mailed to its stockholders.

          (h)  If the delivery of a prospectus relating to the Shares is
required under the Securities Act at any time prior to the expiration of nine
months after the date of the Prospectus and if at such time any events have
occurred as a result of which the Prospectus as then amended or supplemented
would include an untrue statement of a material fact or omit to state any
material fact necessary in order to make the statements therein, in the light of
the circumstances under which they were made, not misleading, or if for any
reason it is necessary during such same period to amend or supplement the
Prospectus, the Company will promptly notify the Representative and upon its
request (but at the Company's expense) prepare and file with the Commission an
amendment or supplement to the Prospectus that corrects such statement or
omission or effects such compliance and will furnish without charge to the
Underwriters and to any dealer in

                                      14
<PAGE>
 
securities as many copies of such amended or supplemented Prospectus as the
Representative may from time to time reasonably request.

          (i)  The Company will promptly provide the Representative, without
charge, (i) 2 manually executed copies of the Registration Statement as
originally filed with the Commission and of each amendment thereto, including
all exhibits and all documents or information incorporated by reference therein,
(ii) so long as a prospectus relating to the Shares is required to be delivered
under the Securities Act, as many copies of each Preliminary Prospectus or the
Prospectus or any amendment or supplement thereto as the Representative may
reasonably request. The terms "amendment" and "supplement" as used in this
Agreement shall include all documents subsequently filed by the Company with the
Commission pursuant to the Exchange Act, as amended, that are deemed to be
incorporated by reference in the Prospectus.

          (j)  Prior to the termination of the underwriting contemplated by this
Agreement, neither the Company nor any of its officers, directors or affiliates
will (i) take, directly or indirectly, any action designed to cause or to result
in, or that might reasonably be expected to cause or result in, the
stabilization or manipulation of the price of any security of the Company or
(ii) sell, bid for, purchase (except pursuant to previously authorized dividend
reinvestment purchases) or pay anyone any compensation for soliciting purchases
of, the Shares.

          (k)  In case of any event, at any time within the period during which
a prospectus is required to be delivered under the Securities Act, as a result
of which any Preliminary Prospectus or the Prospectus, as then amended or
supplemented, would contain an untrue statement of a material fact, or omit to
state any material fact necessary in order to make the statements therein, in
light of the circumstances under which they were made, not misleading, or, if it
is necessary at any time to amend any Preliminary Prospectus or the Prospectus
to comply with the Securities Act or any applicable securities or blue sky laws,
the Company promptly will prepare and file with the Commission, and any
applicable state securities commission, an amendment, supplement or document
that will correct such statement or omission or effect such compliance and will
furnish to the several Underwriters such number of copies of such amendment(s),
supplement(s) or document(s) as the Representative may reasonably request. For
purposes of this subsection (k), the Company will provide such information to
the Representative, the Underwriters' counsel and counsel to the Company as
shall be necessary to enable such persons to consult with the Company with
respect to the need to amend or supplement the Registration Statement, any
Preliminary Prospectus or the Prospectus or file any document, and shall furnish
to the Representative and the Underwriters' counsel such further information as
each may from time to time reasonably request.

          (l)  The Company will use its best efforts to maintain the
qualification or listing of the shares of Common Stock (including, without
limitation, the Shares) on the Nasdaq National Market System.

                                      15
<PAGE>
 
          (m)  The Company will use its best efforts to satisfy or cause to be
satisfied the conditions to the obligations of the Underwriters in Section 10
hereof.

          (n)  The Company will perform all of its obligations under the
Registration Rights Agreement

     9.   Expenses.

          (a)  Whether or not the transactions contemplated hereunder are
consummated, or if this Agreement is terminated for any reason, the Company will
pay or cause to be paid the costs, fees, and expenses incurred in connection
with the offering of the Shares as follows:

               (i)    All costs, fees, and expenses incurred in connection with
     the performance of the obligations of the Company hereunder, including all
     fees and expenses of the Company accountants and counsel, all costs and
     expenses incurred in connection with the preparation, printing, filing, and
     distribution (including delivery and shipping costs) of the Registration
     Statement, each Preliminary Prospectus, and the Prospectus (including all
     amendments and exhibits thereto and the financial statements therein), and
     agreements and supplements provided for herein, this Agreement and other
     underwriting documents, including various Underwriters' letters, and the
     Preliminary and Supplemental Blue Sky Memoranda;

               (ii)   All filing and registration fees and expenses, including
     the legal fees and disbursements of counsel, incurred in connection with
     qualifying or registering all or any part of the Shares for offer and sale
     under the Blue Sky Laws; and

               (iii)  All other costs and expenses incident to the performance
     of the Company's obligations hereunder which are not otherwise provided for
     in this Section 9(a).

          (b)  Whether or not the transactions contemplated hereunder are
consummated, or if this Agreement is terminated for any reason, the Selling
Shareholders will pay or cause to be paid the costs, fees, and expenses incurred
in connection with the offering of the Shares as follows:

               (i)    All costs, fees, and expenses incurred in connection with
     the performance of the obligations of the Selling Shareholders hereunder,
     including all fees and expenses of the Selling Shareholders' accountants
     and counsel; and

               (ii)   All taxes, if any, on the transfer and sale of the Shares.

     10.  Conditions of the Underwriters' Obligations.  The obligations of the
Underwriters hereunder to purchase and pay for the Shares to be delivered at
each Time of Delivery shall be subject, in their discretion, to the accuracy of
the representations and 

                                      16
<PAGE>
 
warranties of each of the Company and the Selling Shareholders contained herein
as of the date hereof and as of each Time of Delivery, to the accuracy of the
statements of the Company's officers made pursuant to the provisions hereof, to
the performance by the Company and the Selling Shareholders of their respective
covenants and agreements hereunder, and to the following additional conditions,
except to the extent expressly waived in writing by the Representative:

          (a)  The Registration Statement and all post-effective amendments
thereto shall have been declared effective by the Commission no later than 5:30
p.m. Eastern Time, on the date of this Agreement, or such later time as shall
have been consented to by the Representative, but in any event not later than
5:30 p.m., Eastern Time, on the third full business day following the date
hereof; if the Company omitted information from the Registration Statement at
the time it became effective in reliance on Rule 430A under the Securities Act,
the Prospectus shall have been filed with the Commission in compliance with Rule
424(b) and Rule 430A under the Securities Act; no stop order suspending the
effectiveness of the Registration Statement or any amendment or supplement
thereto shall have been issued; no proceeding for the issuance of such an order
shall have been initiated or shall be pending or, to the knowledge of the
Company, the Selling Shareholders or the Representative, threatened or
contemplated by the Commission; and any request of the Commission for additional
information (to be included in the Registration Statement or the Prospectus or
otherwise) shall have been disclosed to the Representative and complied with to
the Representative's satisfaction.

          (b)  Since the dates as of which information is given in the
Registration Statement:

               (i)   There shall not have been any material adverse change, or
     any development involving a prospective material adverse change, in the
     ability of the Company or any Subsidiary to conduct their respective
     businesses (whether by reason of any court, legislative, other governmental
     action, order, decree, or otherwise), or in the general affairs, condition
     (financial and otherwise), business, prospects, properties, management,
     financial position or earnings, results of operations, or net worth of the
     Company or any Subsidiary, whether or not arising from transactions in the
     ordinary course of business; and

               (ii)  Neither the Company nor any Subsidiary shall have sustained
     any loss or interference from any labor dispute, strike, fire, flood,
     windstorm, accident, or other calamity (whether or not insured) or from any
     court or governmental action, order, or decree; the effect of which on the
     Company or any Subsidiary is in the reasonable opinion of the
     Representative so material and adverse as to make it impracticable or
     inadvisable to proceed with the public offering or the delivery of the
     Shares on the terms and in the manner contemplated in the Registration
     Statement and the Prospectus.

                                      17
<PAGE>
 
          (c)  (i) You shall have received an opinion, dated such Time of
Delivery, of Blackwell Sanders Peper Martin LLP, counsel for the Company, in
form and substance satisfactory to you and your counsel, to the effect that:

                       (1)  The Company is a corporation existing and in good
     standing under the laws of the State of Kansas, with requisite corporate
     power and authority to own its properties and conduct its business as
     described in the Registration Statement, except for such power and
     authority the absence of which would not have a Material Adverse Effect on
     the Company, and is registered as bank holding company under the Bank
     Holding Company Act of 1956, as amended.

                       (2)  Each Subsidiary of the Company has been duly
     incorporated or organized and is validly existing as a corporation or
     banking association in good standing under the laws of the jurisdiction of
     organization, with full corporate power and authority to own, lease, and
     operate its properties and conduct its business as described in the
     Registration Statement; the Company and each Subsidiary are qualified to do
     business as foreign corporations under the corporation laws of each
     jurisdiction in which the Company or such Subsidiary, as the case may be,
     owns or leases properties, has an office, or in which business is conducted
     and such qualification is required, except where the failure to so qualify
     would not have a Material Adverse Effect.

                       (3)  The Company has full corporate power and authority
     to execute, deliver, and perform the Underwriting Agreement; the
     Underwriting Agreement has been duly authorized, executed and delivered by
     the Company, and constitutes a legal, valid, and binding obligation of the
     Company and is enforceable against the Company in accordance with its
     terms.

                       (4)  The Company's authorized, issued and outstanding
     capital stock is as disclosed in the Prospectus as of the date set forth
     therein (except for subsequent issuance, if any, pursuant to reservations,
     agreements, or employee benefit plans described in the Prospectus or
     pursuant to the exercise of convertible securities or options described in
     the Prospectus). All of the issued and outstanding Shares have been duly
     authorized and validly issued, are fully paid and nonassessable and conform
     to the description of the Common Stock contained in the Prospectus. None of
     the Shares have been issued in violation of any statutory or any other
     preemptive rights of shareholders, and no person or entity (including any
     holder of outstanding shares of Common Stock of the Company or capital
     stock of its subsidiaries) has any statutory or any other preemptive or
     other rights to subscribe for any of the Shares.

                       (5)  Except as disclosed in the Prospectus (and except
     for subsequent issuances of options, capital stock, or other rights under
     agreements, employee benefit plans, or other arrangements referred to in
     the Prospectus), there are, to such counsel's knowledge, no outstanding (A)
     securities or obligations of the Company or any of its subsidiaries
     convertible into or

                                      18
<PAGE>
 

     exchangeable for any capital stock of the Company or any Subsidiary, (B)
     warrants, rights or options to subscribe for or purchase from the Company
     or any of its subsidiaries any such capital stock or any such convertible
     or exchangeable securities or obligations or (C) obligations of the Company
     or any of its subsidiaries to issue any shares of capital stock, any such
     convertible or exchangeable securities or obligations, or any such
     warrants, rights or options.

                       (6)  Except as disclosed in the Prospectus, there are no
     contracts, agreements or understandings known to such counsel: (i) between
     the Company and any person granting such person the right to require the
     Company to file a registration statement under the Securities Act with
     respect to any securities of the Company owned or to be owned by such
     person, or (ii) requiring the Company to include such securities in the
     securities registered pursuant to the Registration Statement (or any such
     right has been effectively waived), or (iii) requiring the registration of
     any securities pursuant to any other registration statement filed by the
     Company under the Securities Act.

                       (7)  The Registration Statement was declared effective
     under the Securities Act as of the date and time specified in such opinion
     and, to such counsel's knowledge and information, no stop order suspending
     the effectiveness of the Registration Statement has been issued under the
     Securities Act and no proceedings therefor have been initiated or
     threatened by the Commission.

                       (8)  The Registration Statement and the Prospectus and
     any amendment or supplement thereto made by the Company prior to such Time
     of Delivery (other than the financial statements and financial and
     statistical data included therein, as to which no opinion need be
     rendered), when it or they became effective or were filed with the
     Commission, as the case may be, and in each case at such Time of Delivery,
     complied as to form in all material respects with the requirements of the
     Securities Act and the applicable rules and regulations under said act, and
     such counsel has no reason to believe that: (i) the Registration Statement
     (other than the financial statements and financial and statistical data
     included therein, as to which no opinion need be rendered), at the time it
     became effective, contained any untrue statement of a material fact or
     omitted to state a material fact necessary in order to make the statements
     contained therein, not misleading, or (ii) the Prospectus (other than the
     financial statements and financial and statistical data included therein,
     as to which no opinion need be rendered), at the time it was filed with the
     Commission or at such Time of Delivery, contained any untrue statement of a
     material fact or omitted to state a material fact necessary in order to
     make the statements contained therein, in the light of the circumstances
     under which they were made, not misleading.

                       (9)  Such counsel knows of no material legal or
     governmental proceedings pending to which the Company or any Subsidiary is
     a party or of which any property of the Company or any Subsidiary is the
     subject which would affect the consummation of the transactions
     contemplated in this

                                      19
<PAGE>
 

     Agreement, and such counsel knows of no such proceedings which are
     threatened or contemplated by governmental authorities or threatened by
     others.

                       (10) Such counsel knows of no contracts, indentures,
     mortgages, loan agreements, notes, leases or other instruments required to
     be described in the Registration Statement or to be filed as exhibits
     thereto other than those described therein or filed or incorporated by
     reference as exhibits thereto, and such instruments as are summarized in
     the Registration Statement are fairly summarized in all material respects.

                       (11) No approval, authorization, consent, registration,
     qualification or other order of any public board or body is required in
     connection with the execution and delivery of this Agreement or the
     issuance and sale of the Shares or the consummation by the Company of the
     other transactions contemplated by this Agreement, except such as have been
     obtained under the Securities Act and the Exchange Act or such as may be
     required under the blue sky or securities laws of various states in
     connection with the offering and sale of the Shares (as to which such
     counsel need express no opinion).

                       (12) The execution and delivery of this Agreement, the
     sale of the Shares, the compliance by the Company with the provisions of
     this Agreement and the consummation of the transactions contemplated herein
     will not conflict with or constitute a breach of, or default under, the
     articles of incorporation or by-laws of the Company or a breach or default
     under any contract, indenture, mortgage, loan agreement, note, lease or
     other instrument known to such counsel to which either the Company or any
     Subsidiary is a party or by which any of them or any of their respective
     properties may be bound except for such breaches as would not have a
     Material Adverse Effect on the Company and its Subsidiaries considered as
     one enterprise, nor will such action result in a violation on the part of
     the Company or any Subsidiary of any applicable law or regulation or of any
     administrative, regulatory or court decree known to such counsel.

                  (ii) You shall have received an opinion, dated such Time of
     Delivery, of Crowe & Dunlevy, a Professional Corporation, counsel for the
     Selling Shareholders, in form and substance satisfactory to you and your
     counsel, to the effect that:

                       (1)  This Agreement has been duly authorized, executed
     and delivered by or on behalf of the Selling Shareholders.

                       (2)  The execution and delivery by the Selling
     Shareholders of, and the performance by the Selling Shareholders of their
     obligations under, this Agreement and the Power of Attorney will not
     conflict or violate any existing law, statute, rule or regulation, or in
     any material respect, conflict with, or (with or without the giving of
     notice or the passage of time or both) result in a material breach or
     material violation of any of the terms or provisions of, or constitute a
     material default under, any material indenture,

                                      20
<PAGE>
 

     mortgage, deed of trust, loan agreement, lease or other agreement or
     instrument known to such counsel to which any Selling Shareholder is a
     party or, conflict with or violate any judgment, order or decree known to
     such counsel, of any governmental body, agency or court having jurisdiction
     over any Selling Shareholder, and no consent, approval, authorization or
     order of, or qualification with, any governmental body or agency is
     required for the performance by the Selling Shareholders of their
     obligations under this Agreement or the Power of Attorney except such as
     may be required by the securities or blue sky laws of the various states in
     connection with the offer and sale of the Shares.

                       (3)  The Selling Shareholders have valid title to the
     Shares and the legal right and power, and all authorization and approval
     required by law, to enter into this Agreement and the Power of Attorney and
     to sell, transfer and deliver the Shares.

                       (4)  The Powers of Attorney have been duly authorized,
     executed and delivered by the Selling Shareholders and are valid and
     binding agreements of the Selling Shareholders.

                       (5)  Upon delivery of the certificates for the Shares
     properly endorsed to the Underwriters and payment of the purchase price
     therefor pursuant to this Agreement, title to such Shares will be passed to
     the Underwriters, free and clear of all liens, security interests, pledges,
     charges, equities, and other encumbrances, other than as created by or
     through the Underwriters.

                (iii)  In rendering such opinions specified in clauses (i) and
     (ii) above, counsel may rely upon an opinion or opinions, each dated as of
     such Time of Delivery, of other counsel retained by them or the Company or
     the Selling Shareholders as to laws of any jurisdiction other than the
     United States, the State of New York, in the case of the opinion specified
     in clause (i), the state of Kansas, and, in the case of the opinion
     specified in clause (ii), the state of Oklahoma provided that (A) such
     reliance is expressly authorized by each opinion so relied upon and a copy
     of each such opinion is delivered to the Representative, and (B) counsel
     shall state in their opinion that they believe that they and the
     Underwriters are justified in relying thereon. Insofar as such opinions
     involve factual matters, such counsel may rely, to the extent such counsel
     deems proper, upon certificates of officers of the Company, its
     Subsidiaries and certificates of the Selling Shareholders or of public
     officials. In the case of the opinion specified in clause (i) above, such
     counsel may assume that the laws of the State of New York are identical to
     the laws of the State of Kansas in all respects material to the opinion
     being rendered by such counsel, provided that such assumption is expressly
     disclosed in the opinion.

          (d)   Arnold & Porter, counsel for the Underwriters, shall have
furnished to you such opinion or opinions, dated such Time of Delivery, with
respect to the Registration Statement, the Prospectus, and other related matters
as you may reasonably request, and the Company and the Selling Shareholders
shall have furnished to such counsel such documents as they request for the
purpose of enabling them to pass upon such matters. Such opinion or opinions may
be rendered in reliance upon the opinion of other counsel and/or assume that the
laws of the States of Kansas [and

                                      21
<PAGE>
 
Oklahoma] are identical to the laws of the State of New York in all respects
material to their opinion.

          (e)  At the time this Agreement is executed and also as of each Time
of Delivery, there shall be delivered to the Representative a letter from KPMG
LLP, the Company's independent accountants, the first letter to be dated the
date of this Agreement, the second letter to be dated as of the First Time of
Delivery, and the third letter to be dated as of the Subsequent Time of
Delivery, if any, which shall be in form and substance reasonably satisfactory
to the Representative and shall contain information as of a date within five
days of the date of such letter. There shall not have been any change set forth
in any letter referred to in this subsection (e) that makes it impracticable or
inadvisable in the judgment of the Representative to proceed with the public
offering or purchase of the Shares as contemplated hereby.

          (f)  As of each Time of Delivery, a certificate signed by the Chairman
of the Board, the President, a Vice Chairman of the Board or any Executive or
Senior Vice President and the principal financial or accounting officer of the
Company, dated as of each Time of Delivery, to the effect that the signers of
such certificate have carefully examined the Registration Statement and this
Agreement and that:

               (i)    The representations and warranties of the Company in this
     Agreement are true and correct in all material respects on and as of such
     Time of Delivery, with the same effect as if made as of such Time of
     Delivery, and the Company has complied in all material respects with all
     the agreements and satisfied in all material respects all the conditions on
     its part to be performed or satisfied at or prior to such Time of Delivery;

               (ii)   The Commission has not issued an order preventing or
     suspending the use of the Prospectus or any Preliminary Prospectus or any
     amendment thereto; no stop order suspending the effectiveness of the
     Registration Statement has been issued; and, to the knowledge of the
     respective signatories, no proceeding for that purpose has been instituted
     or is pending or contemplated under the Securities Act;

               (iii)  Each of the respective signatories of the certificate has
     carefully examined the Registration Statement, the Prospectus, and any
     amendments or supplements thereto, and such documents contain all material
     statements and information required to be made therein, and neither the
     Registration Statement nor any amendment or supplement thereto includes any
     untrue statement of a material fact or omits to state any material fact
     required to be stated therein or necessary to make the statements therein
     not misleading and, since the date on which the Registration Statement was
     initially filed, no event has occurred that was required to be set forth in
     an amended or supplemented prospectus or in an amendment to the
     Registration Statement that has not been so set forth; provided, however,
     that no representation need be made as to information contained in or
     omitted from the Registration Statement or any amendment or supplement in
     reliance upon and in conformity with written

                                      22
<PAGE>
 

     information furnished to the Company by or on behalf of any Underwriter
     through the Representative; and

               (iv)  Since the date on which the Registration Statement was
     initially filed with the Commission, there has not been any material
     adverse change or a development involving a prospective material adverse
     change in the business, properties, financial condition, or earnings of the
     Company and its Subsidiaries taken as a whole, whether or not arising from
     transactions in the ordinary course of business, except as disclosed in the
     Registration Statement as heretofore amended or (but only if the
     Representative expressly consents thereto in writing) as disclosed in an
     amendment or supplement thereto filed with the Commission and delivered to
     the Representative after the execution of this Agreement; since such date
     and except as so disclosed or in the ordinary course of business, neither
     the Company nor any Subsidiary has incurred any liability or obligation,
     direct or indirect, or entered into any transaction that is material to the
     Company or such Subsidiary, as the case may be, not contemplated in the
     Prospectus; since such date and except as so disclosed there has not been
     any change in the outstanding capital stock of the Company (except for
     subsequent issuance, if any, pursuant to reservations, agreements, or
     employee benefit plans described in the Prospectus or pursuant to the
     exercise of convertible securities or options described in the Prospectus),
     or any change that is material to the Company and its Subsidiaries taken as
     a whole in the short-term debt or long-term debt of the Company or any
     Subsidiary; since such date and except as so disclosed, neither the Company
     nor any of its Subsidiaries have incurred any material contingent
     obligations, and no material litigation is pending or, to their knowledge,
     threatened against the Company or any Subsidiary; and, since such date and
     except as so disclosed, neither the Company nor any of its Subsidiaries
     have sustained any material loss or interference from any strike, fire,
     flood, windstorm, accident or other calamity (whether or not insured) or
     from any court or governmental action, order, or decree.

          (g)  Subsequent to the date hereof, there shall not have occurred any
of the following: (i) any suspension or limitation in trading in securities
generally on the Nasdaq National Market or any setting of minimum prices for
trading on such exchange, or in the Common Stock of the Company by the
Commission or the Nasdaq National Market; (ii) a moratorium on commercial
banking activities in Kansas or New York declared by either federal or state
authorities; or (iii) any outbreak or escalation of hostilities involving the
United States, declaration by the United States of a national emergency or war
or any other national or international calamity or emergency if the effect of
any such event specified in this clause (iii) in your sole judgment makes it
impracticable or inadvisable to proceed with the purchase, sale and delivery of
the Shares being delivered at the Time of Delivery as contemplated by the
Registration Statement, as amended as of the date hereof.

          (h)  The Common Stock shall continue to be listed on the Nasdaq
National Market.

          (i)  Prior to each Time of Delivery, the Company and the Selling
Shareholders shall have furnished to the Representative such further
information, certificates and documents as the Representative may reasonably
request in connection

                                      23
<PAGE>
 
with the offering of the Shares.

If any condition specified in this Section shall not have been fulfilled when
and as required to be fulfilled, this Agreement may be terminated by the
Underwriters by notice from the Representative to the Selling Shareholders and
the Company at any time without liability on the part of any of the
Underwriters, including the Representative, or the Selling Shareholders or the
Company, except for expenses to be paid by the Selling Shareholder or the
Company pursuant to Section 9 hereof or reimbursed by the Company pursuant to
Section 11 and except to the extent provided in Section 12.

     11.  Reimbursement of Underwriters' Expenses.  If the sale of the Shares to
the Underwriters at the First Time of Delivery is not consummated because the
offering is terminated or indefinitely suspended by the Selling Shareholders,
the Company or by the Representative for any reason permitted by this Agreement,
other than the Underwriters' inability to legally act as Underwriter, the
Company will reimburse the Underwriters for the Underwriters' reasonable out-of-
pocket expenses, including fees and disbursements of its counsel, that shall
have been incurred by the Underwriters in connection with the proposed purchase
and sale of the Shares. Any such termination or suspension shall be without
liability of any party to the other except that the provisions of this Section
11, and Sections 9 and 12 shall remain effective and shall apply.

     12.  Indemnification and Contribution.

          (a)  (i)  The Company agrees to indemnify and hold harmless the
Selling Shareholders and each Underwriter and each person, if any, who controls
any Underwriter within the meaning of the Securities Act or the Exchange Act,
against any losses, claims, damages, expenses, liabilities, or actions in
respect thereof ("Claims"), joint or several, to which such Underwriter or each
such controlling person may become subject under the Securities Act, the
Exchange Act, the Securities Act Regulations, Blue Sky Laws or other federal or
state statutory laws or regulations, at common law or otherwise (including
payments made in settlement of any litigation, if such settlement is effected
with the written consent of the Company, which consent shall not be unreasonably
withheld), insofar as such Claims arise out of or are based upon the inaccuracy
or breach of any representation, warranty, or covenant of the Company contained
in this Agreement, any untrue statement or alleged untrue statement of any
material fact contained in the Registration Statement, any Preliminary
Prospectus, the Prospectus, or any amendment or supplement thereto, or in any
application filed under any Blue Sky Law or other document executed by the
Company for that purpose or based upon written information furnished by the
Company and filed in any state or other jurisdiction to qualify or register any
or all of the Shares under the securities laws thereof (any such document,
application, or information being hereinafter called a "Blue Sky Application"),
or arise out of or are based upon the omission or alleged omission to state in
any of the foregoing a material fact required to be stated therein or necessary
to make the statements therein not misleading. The Company agrees to reimburse
each Underwriter and each such controlling person promptly for any legal fees or
other expenses incurred by such Underwriter or any such controlling person in
connection with investigating or defending any such Claim or appearing as a
third-party witness in

                                      24
<PAGE>

 
connection with any such Claim; provided, however, that the Company will not be
liable in any such case to the extent that:

                    (x)  Any such Claim arises out of or is based upon an untrue
          statement or alleged untrue statement or omission or alleged omission
          made in the Registration Statement, any Preliminary Prospectus, the
          Prospectus, or any amendment or supplement thereto or in any Blue Sky
          Application in reliance upon and in conformity with the written
          information furnished by or on behalf of the Underwriters to the
          Company expressly for use therein pursuant to Section 4 of this
          Agreement;

                    (y)  Any such Claim arises out of or is based upon an untrue
          statement or alleged untrue statement or omission or alleged omission
          made in the Registration Statement, any Preliminary Prospectus, the
          Prospectus, or any amendment or supplement thereto or in any Blue Sky
          Application in reliance upon and in conformity with the written
          information furnished by or on behalf of the Selling Shareholder to
          the Company expressly for use therein; or

                    (z)  Such statement or omission was contained or made in any
          Preliminary Prospectus and corrected in the Prospectus and (1) any
          such Claim suffered or incurred by any Underwriter (or any person who
          controls such Underwriter) resulted from an action, claim, or suit by
          any person who purchased Shares that are the subject thereof from such
          Underwriter in the offering of the Shares, and (2) such Underwriter
          failed to deliver a copy of the Prospectus (as then amended if the
          Company shall have amended the Prospectus) to such person at or prior
          to the confirmation of the sale of such Shares in any case where such
          delivery is required by the Securities Act, unless such failure was
          due to failure by the Company to provide copies of the Prospectus (as
          so amended) to the Underwriter as required by this Agreement.

               (ii)  The provisions of clause (i) of this Section 12(a)
     applicable to the Company shall be equally applicable to the Selling
     Shareholders, provided that the Selling Shareholders shall be liable to the
     Company, the Underwriters and any of their controlling persons only with
     respect to statements made by or relating to the Selling Shareholders.

          (b)  Each Underwriter severally, but not jointly, agrees to indemnify
and hold harmless the Company and the Selling Shareholders, each of the
Company's directors, each of the Company's officers who sign the Registration
Statement, and each person who controls the Company or any Selling Shareholder
within the meaning of the Securities Act, against any Claim to which the Company
and the Selling Shareholders, or any such director, officer, or controlling
person may become subject under the Securities Act, the Exchange Act, the
Securities Act Regulations, Blue Sky Laws, or other federal

                                      25
<PAGE>
 
or state statutory laws or regulations, at common law or otherwise (including in
settlement of any litigation, if such settlement is effected with the written
consent of such Underwriter and the Representative, which consent shall not be
unreasonably withheld), insofar as such Claim arises out of or is based upon any
untrue or alleged untrue statement of any material fact contained in the
Registration Statement, any Preliminary Prospectus, the Prospectus, or any
amendment or supplement thereto, or in any Blue Sky Application, or arises out
of or is based upon the omission or alleged omission to state therein a material
fact required to be stated therein or necessary to make the statements therein
not misleading, in each case to the extent, but only to the extent, that such
untrue statement or alleged untrue statement or omission or alleged omission was
made in the Registration Statement, any Preliminary Prospectus, the Prospectus,
or any amendment or supplement thereto, or in any Blue Sky Application, in
reliance upon and in conformity with the written information furnished by or on
behalf of such Underwriter to the Company pursuant to Section 4 of this
Agreement. Each Underwriter will severally reimburse any legal fees or other
expenses reasonably incurred by the Company and the Selling Shareholders, or any
such director, officer, or controlling person in connection with investigating
or defending any such Claim, and from any and all Claims resulting from failure
of such Underwriter to deliver a copy of the Prospectus, if the person asserting
such Claim purchased Shares from such Underwriter and a copy of the Prospectus
(as then amended if the Company shall have amended the Prospectus) was not sent
or given by or on behalf of such Underwriter to such person, if required by law
so to have been delivered, at or prior to the written confirmation of the sale
of the Shares to such person, and if the Prospectus (as so amended) would have
cured the defect giving rise to such Claim (unless such failure was due to a
failure by the Company to provide sufficient copies of the Prospectuses (as so
amended) to each Underwriter).

          (c)  Promptly after receipt by an indemnified party under subsection
(a) or (b) of this Section 12 of notice of the commencement of any action in
respect of a Claim, such indemnified party will, if a Claim in respect thereof
is to be made against an indemnifying party under such subsection, notify the
indemnifying party in writing of the commencement thereof. In case any such
action is brought against any indemnified party, and such indemnified party
notifies an indemnifying party of the commencement thereof, the indemnifying
party will be entitled to participate in and, to the extent that it may wish,
jointly with all other indemnifying parties, similarly notified, assume the
defense thereof, with counsel reasonably satisfactory to such indemnified party;
provided, however, if the defendants in any such action include both the
indemnified party and the indemnifying party and the indemnified party shall
have reasonably concluded that there may be legal defenses available to the
indemnified party and/or other indemnified parties that are different from or
additional to those available to the indemnifying party, the indemnified party
or parties shall have the right to select separate counsel to assume such legal
defenses and to otherwise participate in the defense of such action on behalf of
such indemnified party or parties.

          (d)  Upon receipt of notice from the indemnifying party to such
indemnified party of the indemnifying party's election to assume the defense of
such action and upon approval by the indemnified party of counsel selected by
the indemnifying party, the indemnifying party will not be liable to such
indemnified party

                                      26
<PAGE>
 

under subsection (a) or (b) of this Section 12 for any legal fees or other
expenses subsequently incurred by such indemnified party in connection with the
defense thereof, unless:

               (i)   the indemnified party shall have employed separate counsel
     in connection with the assumption of legal defenses in accordance with the
     proviso to the last sentence of subsection (c) of this Section 12 (it being
     understood, however, that the indemnified party shall not be liable for the
     legal fees and expenses of more than one separate counsel (plus local
     counsel), approved by the Representative if one or more of the Underwriters
     or their controlling persons are the indemnified parties); or

               (ii)  the indemnifying party shall not have employed counsel
     reasonably satisfactory to the indemnified party to represent the
     indemnified party within a reasonable time after the indemnified party's
     notice to the indemnifying party of commencement of the action;

          (e)  If the indemnification provided for in this Section 12 is
unavailable to an indemnified party or insufficient to hold harmless an
indemnified party under subsection (a) or (b) of this Section 12 in respect of
any Claim referred to therein, then each indemnifying party, in lieu of
indemnifying such indemnified party, shall, subject, to the limitations
hereinafter set forth, contribute to the amount paid or payable by such
indemnified party as a result of such Claim:

               (i)   in such proportion as is appropriate to reflect the
     relative benefits received by the Selling Shareholders, the Company and the
     Underwriters from the offering of the Shares; or

               (ii)  if the allocation provided by clause (e)(i) above is not
     permitted by applicable law, in such proportion as is appropriate to
     reflect not only the relative benefits referred to in clause (e)(i) above,
     but also the relative fault of the Selling Shareholders, the Company and
     the Underwriters in connection with the statements or omissions that
     resulted in such Claim, as well as any other relevant equitable
     considerations.

     The respective relative benefits received by the Company and the Selling
Shareholders on the one hand and the Underwriters on the other hand shall be
deemed to be in such proportion that the Underwriters are responsible for that
portion of a Claim represented by the percentage that the amount of the
underwriting commission bears to the public offering price of the Shares, and
the Company and the Selling Shareholders (including the Company's directors,
officers, and controlling persons) are responsible for the remaining portion of
such Claim.

     The relative fault of the Company, the Selling Shareholders and the
Underwriters shall be determined by reference to, among other things, whether
the untrue or alleged untrue statement of a material fact or the omission or
alleged omission to state a material fact relates to information supplied by the
Company, the Selling Shareholders on the one 

                                      27
<PAGE>
 
hand or the Underwriters on the other hand and the parties' relative intent,
knowledge, access to information, and opportunity to correct or prevent such
untrue statement or omission. The amount paid or payable by a party as a result
of the Claims referred to above shall be deemed to include, subject to the
limitations set forth in subsections (c) and (d) of this Section 12, any legal
or other fees or expenses reasonably incurred by such party in connection with
investigating or defending any action or claim.

          (f)  The Company, the Selling Shareholders and the Underwriters agree
that it would not be just and equitable if contribution pursuant to this Section
12 were determined by pro rata or per capita allocation or by any other method
or allocation that does not take into account the equitable considerations
referred to in subsection (e) of this Section 12. Notwithstanding the other
provisions of this Section 12, no Underwriter shall be required to contribute
any amount in excess of the amount by which the total price at which the Shares
underwritten by it and distributed to the public exceeds the amount of any
damages which such Underwriter has otherwise been required to pay by reason of
such untrue or alleged untrue omission. No person guilty of fraudulent
misrepresentation (within the meaning of Section 11(f) of the Securities Act)
shall be entitled to contribution from any person who was not guilty of such
fraudulent misrepresentation. The Underwriters' obligation to contribute
pursuant to this Section 12 are several in proportion to their respective
underwriting commitments and not joint.

          (g)  The obligations of the Company, the Selling Shareholders and the
Underwriters under this Section 12 shall be in addition to any liability that
the Company, the Selling Shareholders or the Underwriters may otherwise have.

     13.  Default of Underwriters.

          (a)  If any Underwriter defaults in its obligation to purchase Shares
at a Time of Delivery, the Representative may in its discretion arrange for the
Representative or another party or other parties to purchase such Shares on the
terms contained herein within thirty-six (36) hours after such default by any
Underwriter. In the event that, within the respective prescribed period, the
Representative notifies the Selling Shareholders that they have so arranged for
the purchase of such Shares, the Representative shall have the right to postpone
a Time of Delivery for a period of not more than seven (7) days in order to
effect whatever changes may thereby be made necessary in the Registration
Statement or the Prospectus, or in any other documents or arrangements, and the
Company agrees to file promptly any amendments to the Registration Statement or
the Prospectus that in the Representative's opinion may thereby be made
necessary. The cost of preparing, printing and filing any such amendments shall
be paid for by the Underwriters. The term "Underwriter" as used in this
Agreement shall include any person substituted under this Section with like
effect as if such person had originally been a party to this Agreement with
respect to such Shares.

          (b)  If, after giving effect to any arrangements for the purchase of
the Shares of a defaulting Underwriter or Underwriters by the Representative as
provided in subsection (a) above, if any, the aggregate number of such Shares
which remains unpurchased does not exceed one-eleventh (1/11) of the aggregate
number of Shares to

                                      28
<PAGE>
 
be purchased at such Time of Delivery, then the Selling Shareholders shall have
the right to require each non-defaulting Underwriter to purchase the number of
Shares which such Underwriter agreed to purchase hereunder at such Time of
Delivery and, in addition, to require each non-defaulting Underwriter to
purchase its pro rata share (based on the number of Shares which such
Underwriter agreed to purchase hereunder) of the Shares of such defaulting
Underwriter or Underwriters for which such arrangements have not been made.

     14.  Termination.

          (a)  This Agreement may be terminated in the sole discretion of the
Representative by notice to the Company given prior to the First Time of
Delivery or any Subsequent Time of Delivery, respectively, in the event that (i)
any condition to the obligations of the Underwriters set forth in Section 10
hereof has not been satisfied, or (ii) the Selling Shareholders shall have
failed, refused or been unable to deliver the Shares or the Company or the
Selling Shareholders shall have failed, refused or been unable to perform all
obligations and satisfy all conditions on their respective parts to be performed
or satisfied hereunder at or prior to such Time of Delivery, in either case
other than by reason of a default by any of the Underwriters. If this Agreement
is terminated pursuant to this Section 14(a), the Company and the Selling
Shareholders will reimburse the Underwriters severally upon demand for all out-
of-pocket expenses (including counsel fees and disbursements) that shall have
been incurred by it in connection with the proposed purchase and sale of the
Shares. Any termination pursuant to this Section 14(a) shall be without
liability on the part of any Underwriter to the Selling Shareholders or the
Company or on the part of the Selling Shareholders or the Company to any
Underwriter (except for expenses to be paid by the Selling Shareholders or the
Company pursuant to Section 9 hereof or reimbursed by the Selling Shareholders
or the Company pursuant to this Section 14(a) and except as to indemnification
and contribution to the extent provided in Section 12 hereof).

          (b)  If, after giving effect to any arrangements for the purchase of
the Shares of a defaulting Underwriter or Underwriters by the Representative as
provided in Section 13(a), the aggregate number of such Shares which remains
unpurchased exceeds one-eleventh (1/11) of the aggregate number of Shares to be
purchased at such Time of Delivery, then this Agreement (or, with respect to a
Subsequent Time of Delivery, the obligations of the Underwriters to purchase and
of the Selling Shareholders to sell the Optional Shares) shall thereupon
terminate, without liability on the part of any non-defaulting Underwriter or
the Selling Shareholders, except for the expenses to be borne by the Company and
the Selling Shareholders and the Underwriters as provided in Section 9 hereof
and the indemnity and contribution agreements in Section 12 hereof; but nothing
herein shall relieve a defaulting Underwriter from liability for its default.

     15.  Survival.  The respective indemnities, agreements, representations,
warranties and other statements of the Company, its officers, the Selling
Shareholders and the Underwriters, as set forth in this Agreement or made by or
on behalf of them, respectively, pursuant to this Agreement, shall remain in
full force and effect, regardless of any investigation (or any statement as to
the results thereof) made by or on behalf of

                                      29
<PAGE>
 
the Underwriters or any controlling person referred to in Section 12(b) or the
Company, or any officer, trustee or director or controlling person of the
Company referred to in Section 12(b), and shall survive delivery of and payment
for the Shares. The respective agreements, covenants, indemnities and other
statements set forth in Sections 9 and 12 hereof shall remain in full force and
effect, regardless of any termination or cancellation of this Agreement.

     16.  Notices.  All communications hereunder shall be in writing and, if
sent to the Representative, shall be mailed, delivered or telegraphed and
confirmed in writing to Advest, Inc., One Rockefeller Center, 20th Floor, New
York, New York, 10020, Attention: Thomas G. Rudkin (with a copy to Arnold &
Porter, 555 12th Street, N.W., Washington, D.C. 20004, Attention: Steven Kaplan,
Esq.); if to the Company, shall be sufficient in all respects if mailed,
delivered or telegraphed and confirmed in writing to Gold Banc Corporation,
Inc., 11301 Nall Avenue, , Leawood, Kansas 66211, Attention: Keith E. Bouchey,
Chief Financial Officer (with a copy to Blackwell Sanders Peper Martin LLP, Two
Pershing Square, 2300 Main Street, Suite 100, Kansas City, Missouri 64108,
Attention: Steven F. Carman, Esq.); and if to the Selling Shareholders, shall be
sufficient in all respects if mailed, delivered or telegraphed and confirmed in
writing to Gene Dillard, 5120 S. Garnett, Tulsa, Oklahoma 74146 (with a copy to
Crowe & Dunlevy, P.C., 1800 Mid-America Tower, 20 North Broadway, Oklahoma City,
Oklahoma 73102, Attention: Michael M. Stewart, Esq.).

     17.  Binding Effect.  This Agreement shall be binding upon, and inure
solely to the benefit of, the Underwriters, the Company and the Selling
Shareholders and, to the extent provided in Sections 12 and 15 hereof, the
officers, trustees, directors and employees and controlling persons referred to
therein and their respective heirs, executors, administrators, successors and
assigns, and no other person shall acquire or have any right under or by virtue
of this Agreement. No purchaser of any of the Shares from any Underwriter shall
be deemed a successor or assign by reason merely of such purchase.

     18.  Governing Law.  This Agreement shall be governed by and construed in
accordance with the laws of the State of New York without giving effect to any
provisions regarding conflicts of laws.

     19.  Counterparts.  This Agreement may be executed by any one or more of
the parties hereto in any number of counterparts, each of which shall be deemed
to be an original, but all such counterparts shall together constitute one and
the same instrument.

     20.  Partial Unenforceability.  If any section, subsection, clause, or
provision of this Agreement is for any reason determined to be invalid or
unenforceable, such determination shall not affect the validity or
enforceability of any other section, subsection, clause, or provision hereof.

     21.  Entire Agreement.  This Agreement embodies the entire agreement among
the parties hereto with respect to the transactions contemplated herein, and
there have

                                      30
<PAGE>
 
been and are no agreements among the parties with respect to such transactions
other than as set forth or provided for herein.

     22.  Effective Date.  This Agreement shall become effective immediately on
the date hereof.



                                      31
<PAGE>
 
     If the foregoing is in accordance with your understanding of our agreement,
please sign and return to us one of the counterparts hereof, and upon the
acceptance hereof by the Representative, on behalf of each of the Underwriters,
this letter will constitute a binding agreement among the Underwriters, the
Selling Shareholders and the Company. It is understood that your acceptance of
this letter on behalf of each of the Underwriters is pursuant to the authority
set forth in the Agreement among Underwriters, a copy of which shall be
submitted to the Selling Shareholders or the Company for examination, upon
request, but without warranty on your part as to the authority of the signers
thereof.


                                         Very truly yours,


                                         GOLD BANC CORPORATION, INC.

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


                                         SELLING SHAREHOLDERS


                                         By:
                                            -----------------------------------
                                             Attorney in Fact for the Selling
                                               Shareholders noted heretofore


The foregoing Agreement is hereby
confirmed and accepted as of the date
first written above at New York, New York


ADVEST, INC.


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

On behalf of each of the Underwriters

<PAGE>
 
                                  SCHEDULE I

<TABLE>
<CAPTION>
                                                   Number of Optional
                         Total Number            Shares to be Purchased
                        of Firm Shares                 if Maximum
Underwriter             to be Purchased             Option Exercised
- -----------             ---------------          ----------------------
<S>                     <C>                      <C>
Advest, Inc.
                          -----------                  -----------

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

<PAGE>
 
                                  SCHEDULE II

                                        
<TABLE>
<CAPTION>
Name of Selling             Number of Firm Shares           Number of Option
  Shareholder                 Shares to be Sold             Shares to be Sold
- ---------------             ---------------------           -----------------
<S>                         <C>                             <C>
Eric M. Bohne Revocable            241,508                        36,226
Family Trust #1

Eric M. Bohne Revocable            113,015                        16,951
Family Trust #2

Dillard Enterprises LLC            396,522                        59,478
</TABLE>

<PAGE>
 
                                                               Exhibit 3(a)(iii)

                                                                                
                           CERTIFICATE OF AMENDMENT

                                    TO THE

                      RESTATED ARTICLES OF INCORPORATION

                                      OF

                          GOLD BANC CORPORATION, INC.



     We, Michael W. Gullion, Chairman of the Board and Chief Executive Officer,
and Keith E. Bouchey, Secretary, of Gold Banc Corporation, Inc., a corporation
organized and existing under the laws of the State of Kansas (the
"Corporation"), do hereby certify that, at a meeting of the Board of Directors
of the Corporation, the Board of Directors adopted resolutions setting forth the
following amendment to the Restated Articles of Incorporation and, as amended,
declaring their advisability:

     The first sentence of Article Four of the Restated Articles of
     Incorporation, as amended, shall be amended in its entirety to read as
     follows:

               1.  The total number of shares of stock the Corporation has
          authority to issue shall be 100,000,000 shares, of which 50,000,000
          shares shall be designated Preferred Stock (the "Preferred Stock") and
          50,000,000 shares shall be designated Common Stock, par value $1.00
          per share (the "Common Stock").

     We further certify that thereafter, pursuant to the resolutions and in
accordance with the amended and restated bylaws of the Corporation and the laws
of the State of Kansas, the Board of Directors called a meeting of stockholders
for consideration of the proposed amendment, and thereafter, pursuant to notice
and in accordance with the statutes of the State of Kansas, the stockholders
convened and considered the proposed amendment.

     We further certify that at the meeting the holders of sixty-six and two-
thirds (66 2/3%) of the outstanding stock entitled to vote voted in favor of the
proposed amendment.

     We further certify that the amendment was duly adopted in accordance with
the provisions of K.S.A. 17-6602, as amended.

<PAGE>
 
     IN WITNESS WHEREOF, we have hereunto set our hands and affixed the seal of
the corporation this 30th day of April, 1999.



                                    /s/ Michael W. Gullion
                                    ------------------------------------------
                                    Michael W. Gullion, Chairman of the Board
                                      and Chief Executive Officer



                                    /s/ Keith E. Bouchey
                                    ------------------------------------------
                                    Keith E. Bouchey, Secretary



                                 ACKNOWLEDGMENT


STATE OF KANSAS    )
                   ) ss.
COUNTY OF JOHNSON  )

     Be it remembered that before me, a Notary Public in and for the aforesaid
county and state, personally appeared Michael W. Gullion, Chairman of the Board
and Chief Executive Officer, and Keith E. Bouchey, Secretary, of the corporation
named in this document, who are known to me to be the same persons who executed
the foregoing certificate and duly acknowledged its execution of the same this
30th day of April, 1999.



  (Seal)                            /s/ Steven E. Rector
                                    ------------------------------------------
                                    Notary Public



My appointment or commission expires:


     Oct. 1, 2000
- ----------------------------------------

                                      -2-


<PAGE>
 
                                                                       EXHIBIT 5

                                  May 5, 1999


Gold Banc Corporation, Inc.
11301 Nall Avenue
Leawood, KS 66210

Gentlemen:

     We refer to the Post-Effective Amendment No. 1 on Form S-3 to the
Registration Statement on Form S-4 (Registration No. 333-65539) of Gold Banc
Corporation, Inc. (the "Company") proposed to be filed with the Securities and
Exchange Commission for the purpose of registering under the Securities Act of
1933, as amended, 3,920,292 shares of the Company's Common Stock to be sold by
certain stockholders of the Company identified in the Registration Statement as
"Selling Stockholders."

     We are familiar with the proceedings to date with respect to such proposed 
sale and have examined such records, documents and matters of law and satisfied 
ourselves as to such matters of fact as we have considered relevant for the 
purposes of this opinion.

     We are of the opinion that the 3,920,292 shares offered for sale by the 
Selling Stockholders have been legally issued and are fully paid and 
non-assessable.

     We hereby consent to the reference to us under the heading "Legal Matters"
in the prospectuses constituting a part of the Registration Statement and to the
filing of this opinion as Exhibit 5 to the Registration Statement.

                                       Very truly yours,


                                       /s/ Blackwell Sanders Peper Martin LLP


<PAGE>
                                                                   Exhibit 23(a)

The Board of Directors
Gold Banc Corporation, Inc.

We consent to the use of our report incorporated herein by reference and to the 
reference to our firm under the heading "Experts" in the Post-Effective 
Amendment No. 1 on Form S-3 (Registration No. 333-65539) to Form S-4.

                                       /s/ KPMG LLP

Kansas City, Missouri
May 5, 1999


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