FIRST UNITED BANCSHARES INC /AR/
S-4/A, 1994-04-12
STATE COMMERCIAL BANKS
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<PAGE>   1
 
   
     AS FILED WITH THE SECURITIES AND EXCHANGE COMMISSION ON APRIL 12, 1994
    
   
                                                    REGISTRATION NUMBER 33-52341
    
- --------------------------------------------------------------------------------
- --------------------------------------------------------------------------------
 
                       SECURITIES AND EXCHANGE COMMISSION
                             Washington, D.C. 20549
 
   
                                AMENDMENT NO. 1
    
 
   
                                       TO
    
 
                                    FORM S-4
            REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933
                            ------------------------
                         FIRST UNITED BANCSHARES, INC.
             (Exact name of registrant as specified in its charter)
 
   
<TABLE>
<S>                                        <C>                                    <C>
           ARKANSAS                                   6022                           71-0538646
 (State or other jurisdiction              (Primary Standard Industrial)          (I.R.S. Employer 
of incorporation or organization)             Classification Code)                Identification No.)
                                                                                      
</TABLE>                                                          
    
 
                          MAIN AND WASHINGTON STREETS
                           EL DORADO, ARKANSAS 71730
                                 (501) 863-3181
              (Address, including ZIP Code, and telephone number,
       including area code, of registrant's principal executive offices)
                            ------------------------
                                 JOHN E. BURNS
                          MAIN AND WASHINGTON STREETS
                           EL DORADO, ARKANSAS 71730
                                 (501) 863-3181
           (Name, address, including ZIP Code, and telephone number,
                   including area code, of agent for service)
                            ------------------------
                                   Copies to:
 
<TABLE>
<S>                                           <C>
                S. SCOTT LUTON                                JOHN E. BURNS
        IVESTER, SKINNER & CAMP, P.A.                    CHIEF FINANCIAL OFFICER
        111 CENTER STREET, SUITE 1200                 FIRST UNITED BANCSHARES, INC.
         LITTLE ROCK, ARKANSAS 72201                     MAIN AND WASHINGTON ST.
                                                           EL DORADO, AR 71730
</TABLE>
 
     APPROXIMATE DATE OF COMMENCEMENT OF PROPOSED SALE TO THE PUBLIC: As soon as
practicable after the effective date of this Registration Statement.
 
     IF THE SECURITIES BEING REGISTERED ON THIS FORM ARE BEING OFFERED IN
CONNECTION WITH THE FORMATION OF A HOLDING COMPANY AND THERE IS COMPLIANCE WITH
GENERAL INSTRUCTION G, CHECK THE FOLLOWING BOX.     / /
 
                        CALCULATION OF REGISTRATION FEE
 
<TABLE>
<CAPTION>
- ----------------------------------------------------------------------------------------------------
- ----------------------------------------------------------------------------------------------------
                                                      PROPOSED
TITLE OF EACH CLASS                   PROPOSED    MAXIMUM OFFERING    AGGREGATE
OF SECURITIES                       AMOUNT TO BE     PRICE PER        OFFERING       AMOUNT OF
TO BE REGISTERED                   REGISTERED(1)      UNIT(2)          PRICE      REGISTRATION FEE
- ----------------------------------------------------------------------------------------------------
<S>                               <C>             <C>             <C>             <C>
Common Stock......................     985,849         $26.50       $26,125,000      $9,010.00
- ----------------------------------------------------------------------------------------------------
- ----------------------------------------------------------------------------------------------------
</TABLE>
 
(1) Estimated based on the maximum number of shares to be registered.
(2) Estimated solely for the purpose of calculating the registration fee.
 
     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 SECURITIES AND EXCHANGE COMMISSION, ACTING
PURSUANT TO SAID SECTION 8(A), MAY DETERMINE.
 
- --------------------------------------------------------------------------------
- --------------------------------------------------------------------------------
<PAGE>   2
 
                         FIRST UNITED BANCSHARES, INC.
 
      CROSS REFERENCE SHEET SHOWING LOCATION IN PROSPECTUS OF INFORMATION
                   REQUIRED BY ITEM 501(B) OF REGULATION S-K
 
                      A. INFORMATION ABOUT THE TRANSACTION
 
<TABLE>
<CAPTION>
          REGISTRATION STATEMENT ITEM AND HEADING             LOCATION IN PROSPECTUS AND PROXY STATEMENT
- ------------------------------------------------------------  ------------------------------------------
<S>                                                           <C>
 1.   Forepart of Registration Statement and Outside Front
        Cover Page of Prospectus............................  Facing Page of Registration
                                                                Statement; Cross Reference
                                                                Sheet, Cover Page of Proxy
                                                                Statement

 2.   Inside Front and Outside Back Cover Pages of
        Prospectus..........................................  Available Information;
                                                                Incorporation of Certain
                                                                Documents by Reference; Table
                                                                of Contents

 3.   Risk Factors, Ratio of Earnings to Fixed Charges and
        Other Information...................................  Summary; Financial Information

 4.   Terms of the Transaction..............................  The Merger

 5.   Pro Forma Financial Information.......................  Summary -- Selected Financial
                                                                Data; Financial Information

 6.   Material Contacts with the Company Being Acquired.....  The Merger -- Background of the
                                                                Merger; InvestArk Bankshares,
                                                                Inc. -- Resulting Ownership in
                                                                First United

 7.   Additional Information Required for Reoffering by
        Persons and Parties Deemed to be Underwriters.......  Not Applicable

 8.   Interests of Named Experts and Counsel................  Legal Matters and Experts

 9.   Disclosure of Commission Position on Indemnification
        for Securities Act Liabilities......................  Not Applicable

                     B. INFORMATION ABOUT THE REGISTRANT

10.   Information with Respect to S-3 Registrants...........  First United Bancshares, Inc.

11.   Incorporation of Certain Information by Reference.....  Incorporation of Certain
                                                              Documents by Reference

12.   Information with Respect to S-2 or S-3 Registrants....  Not Applicable

13.   Incorporation of Certain Information by Reference.....  Not Applicable

14.   Information with Respect to Registrants Other than S-3
        or S-2 Registrants..................................  Not Applicable

               C. INFORMATION ABOUT THE COMPANY BEING ACQUIRED

15.   Information with Respect to S-3 Companies.............  Not Applicable

16.   Information with Respect to S-2 or S-3 Companies......  Not Applicable

17.   Information with Respect to Companies Other than S-3
        or S-2 Companies

      (1) Description of Business...........................  InvestArk Bankshares, Inc. --
                                                                Description of Business

      (2) Market Price of and Dividends on the Registrant's
          Common Equity.....................................  Summary -- Comparative Per Share
                                                                Data; InvestArk Bankshares,
                                                                Inc. -- Principal Stockholders
                                                                of InvestArk and Related
                                                                Stockholder Matters

      (3) Selected Financial Data...........................  Summary -- Selected Financial
                                                                Data

      (4) Supplementary Financial Information...............  Not Applicable
</TABLE>
<PAGE>   3
 
<TABLE>
<CAPTION>
          REGISTRATION STATEMENT ITEM AND HEADING             LOCATION IN PROSPECTUS AND PROXY STATEMENT
- ------------------------------------------------------------  ------------------------------------------
<S>                                                           <C>
      (5) Management's Discussion and Analysis of Financial
          Condition and Results of Operations...............  InvestArk Bankshares, Inc. --
                                                                Management Discussion and
                                                                Analysis

      (6) Changes In and Disagreements with Accountants on
          Accounting and Financial Disclosure...............  Not Applicable

      (7) Financial Statements..............................  Financial Information

      (8) Quarterly Financial Information...................  Financial Information

      (9) Financial Statement Schedules.....................  Not Applicable

                     D. VOTING AND MANAGEMENT INFORMATION

18.   Information if Proxies, Consents or Authorizations Are
        to be Solicited

      (1) Date, Time and Place of Information...............  Cover Page of Proxy

      (2) Revocability of Proxy.............................  The InvestArk Special Meeting --
                                                                Voting; Solicitation of
                                                                Proxies; The First United
                                                                Special Meeting -- Voting;
                                                                Solicitation of Proxies

      (3) Dissenters' Rights of Appraisal...................  The Merger -- Right of Dissent
                                                                under the 1965 Act; Right of
                                                                Dissent under the 1987 Act

      (4) Persons Making the Solicitation...................  The InvestArk Special Meeting --
                                                                Voting; Solicitation of
                                                                Proxies; The First United
                                                                Special Meeting -- Voting;
                                                                Solicitation of Proxies

      (5) Interest of Affiliates of the Registrant in the
          Proposed Transaction; Voting Securities and
          Principal Holders.................................  The Merger -- Interest of
                                                                Management in Merger; InvestArk
                                                                Bankshares, Inc. -- Principal
                                                                Stockholders of InvestArk; The
                                                                Merger -- Background of the
                                                                Merger

      (6) Vote Required for Approval........................  The InvestArk Special Meeting --
                                                                Vote Required; The First United
                                                                Special Meeting -- Vote
                                                                Required

      (7) (i)   Directors and Executive Officers............  Incorporation of Certain
                                                                Documents by Reference

          (ii)  Executive Compensation......................  Incorporation of Certain
                                                                Documents by Reference

          (iii) Certain Relationships and Related
                Transactions................................  Incorporation of Certain
                                                                Documents by Reference

19.   Information if Proxies, Consents or Authorizations Are
        Not to be Solicited or in an Exchange Offer.........  Not Applicable
</TABLE>
<PAGE>   4
 
                         FIRST UNITED BANCSHARES, INC.
 
To the Stockholders of
First United Bancshares, Inc.
 
   
     Enclosed is a Notice of Special Meeting of Stockholders of First United
Bancshares, Inc. ("First United") which will be held at the main office of First
National Bank of El Dorado at Main and Washington Streets, El Dorado, Arkansas
on June 14, 1994 at 2:00 P.M.
    
 
     At a Special Meeting, Stockholders of First United will consider and vote
upon the merger of First United and InvestArk Bankshares, Inc. ("InvestArk")
whereby InvestArk will be merged with and into First United. If the merger
becomes effective, Stockholders of InvestArk will be entitled to receive total
consideration of $26,125,000 consisting of fully paid and nonassessable shares
of voting common stock, $1.00 par value of First United. The number of shares of
common stock of First United to be exchanged will be determined by dividing
$26,125,000 by the average sales price per share of First United common stock
for all trades occurring during the period of 10 trading days on which one or
more trades actually takes place and which ends immediately prior to the second
trading day preceding the closing date of the merger. Notwithstanding the
foregoing, the number of shares of First United common stock to be exchanged
shall not be less than 885,593 and shall not be greater than 985,849. Each
stockholder of InvestArk common stock shall be entitled to receive a pro rata
portion of First United common stock based on each stockholder's pro rata
ownership of the issued and outstanding shares of InvestArk.
 
     InvestArk is a bank holding company which is primarily engaged in the
business of banking through its two wholly-owned bank subsidiaries, with branch
offices in Izard and Arkansas counties which provide a full range of banking
services to its customers.
 
     The Board of Directors believes that the proposed merger upon the terms and
conditions set forth in the accompanying Proxy Statement is in the best
interests of our Stockholders and therefore recommends that you vote in favor of
the merger. Additional information regarding the proposed merger, InvestArk and
the rights of dissenting Stockholders is set forth in the enclosed Proxy
Statement and I urge you to read this material carefully.
 
     You are cordially invited to attend the meeting in person. Whether or not
you plan to attend the Special Meeting, please sign, date and return as soon as
possible the enclosed proxy in the enclosed self-addressed and stamped envelope.
If you attend the meeting, you may vote in person if you wish, even though you
previously returned your proxy.
                                            Very truly yours,
 
                                                  /s/  JAMES V. KELLEY
                                                      James V. Kelley
                                                   Chairman of the Board
<PAGE>   5
 
                         FIRST UNITED BANCSHARES, INC.
 
                   NOTICE OF SPECIAL MEETING OF STOCKHOLDERS
 
   
                                 June 14, 1994
    
 
   
     NOTICE is hereby given that a Special Meeting of Stockholders of First
United Bancshares, Inc. has been called by the Board of Directors and will be
held at the main office of First National Bank Building, Main and Washington
Streets, El Dorado, Arkansas on June 14, 1994 at 2:00 p.m. for the following
purposes:
    
 
     1. To consider and vote upon an Agreement and Plan of Reorganization dated
       as of December 17, 1993 which provides for the merger of InvestArk
       Bankshares, Inc. into First United Bancshares, Inc. of El Dorado,
       Arkansas.
 
     2. To transact such other business as may properly come before the meeting
     or any adjournment thereof.
 
   
     All Stockholders of record at the close of business on April 29, 1994 are
entitled to vote at the meeting. The proposal 1 above requires the affirmative
vote of two-thirds of shares entitled to vote for approval.
    
 
     Whether or not you plan to attend, please sign the enclosed Proxy and
return it at once in the stamped return envelope in order to insure that your
shares will be represented at the meeting. If you attend in person, the proxy
can be disregarded, if you wish, and you may vote your own shares.
 
                                            By Order of the Board of Directors
 
                                                 /s/  ROBERT G. DUDLEY
                                                Robert G. Dudley, Secretary
 
   
Dated: May 17, 1994
    
<PAGE>   6
 
                           INVESTARK BANKSHARES, INC.
 
To the Stockholders of
InvestArk Bankshares, Inc.
 
   
     Enclosed is a Notice of Annual Meeting of Stockholders of InvestArk
Bankshares, Inc. ("InvestArk") which will be held at the main office of First
Stuttgart Bank and Trust Company at 412 South Main Street, Stuttgart, Arkansas
on June 14, 1994 at 10:00 A.M.
    
 
     At an Annual Meeting, Stockholders of InvestArk will consider and vote upon
the merger of InvestArk with and into First United Bancshares, Inc. ("First
United"). If the merger becomes effective, stockholders of InvestArk will
exchange their InvestArk shares for fully paid and nonassessable shares of First
United voting common stock, $1.00 par value, having a value of $26,125,000. The
number of shares of common stock of First United to be exchanged will be
determined by dividing $26,125,000 by the average sales price per share of First
United common stock for all trades occurring during the period of 10 trading
days on which one or more trades actually takes place and which ends immediately
prior to the second trading day preceding the closing date of the merger.
Notwithstanding the foregoing, the number of shares of First United common stock
to be exchanged shall not be less than 885,593 and shall not be greater than
985,849. Each stockholder of InvestArk common stock shall be entitled to receive
a pro rata portion of First United common stock based on each stockholder's pro
rata ownership of the issued and outstanding shares of InvestArk. InvestArk
expects to receive a legal opinion, dated as of the effective date of the
Merger, that no gain or loss will be recognized by InvestArk stockholders upon
receipt of First United common stock in exchange for InvestArk common stock.
 
     Stockholders of InvestArk will also consider and vote upon the election by
InvestArk to be governed by the Arkansas Business Corporation Act of 1987. This
vote will be incidental to the vote on the merger in that the election will only
be made in order to facilitate compliance with statutory law in consummating the
merger and no election will be made unless the merger is approved.
 
     First United is a bank holding company which is engaged in the business of
banking through its five wholly-owned bank subsidiaries, with branch offices in
Union, Van Buren, Columbia, Ouachita, and Crawford counties which provide a full
range of banking services to its customers.
 
     The Board of Directors believes that the proposed merger upon the terms and
conditions set forth in the accompanying Proxy Statement is in the best
interests of our stockholders and therefore recommends that you vote in favor of
the merger and the election to be governed by the 1987 Act. Additional
information regarding the proposed merger, the above-referenced election, First
United and the rights of dissenting stockholders is set forth in the enclosed
Proxy Statement and I urge you to read this material carefully.
 
     You are cordially invited to attend the meeting in person. Whether or not
you plan to attend the Annual Meeting, please sign, date and return as soon as
possible the enclosed proxy in the enclosed self-addressed and stamped envelope.
If you attend the meeting, you may vote in person if you wish, even though you
previously returned your proxy.
 
                                            Very truly yours,
 
                                                  /s/  HARRY C. ERWIN
                                                       Harry C. Erwin
                                                   Chairman of the Board
<PAGE>   7
 
                           INVESTARK BANKSHARES, INC.
 
                    NOTICE OF ANNUAL MEETING OF STOCKHOLDERS
 
   
                                 June 14, 1994
    
 
   
     NOTICE is hereby given that the Annual Meeting of Stockholders of InvestArk
Bankshares, Inc. has been called by the Board of Directors and will be held at
the main office of First Stuttgart Bank and Trust Company located at 412 South
Main Street, Stuttgart, Arkansas on June 14, 1994 at 10:00 a.m. for the
following purposes:
    
 
     1. To consider and vote upon an Agreement and Plan of Reorganization
       ("Agreement") dated as of December 17, 1993 which provides for the merger
       of InvestArk Bankshares, Inc. into First United Bancshares, Inc. of El
       Dorado, Arkansas.
 
     2. To consider and vote upon an election to be governed by the Arkansas
       Business Corporation Act of 1987. This vote will be incidental to the
       vote upon the Agreement and will only be effective if the Agreement is
       approved.
 
     3. To transact such other business as may properly come before the meeting
       or any adjournment thereof.
 
   
     All stockholders of record at the close of business on April 29, 1994 are
entitled to vote at the meeting. Both proposals 1 and 2 above require the
affirmative vote of two-thirds of shares entitled to vote for approval.
    
 
     Whether or not you plan to attend, please sign the enclosed Proxy and
return it at once in the stamped return envelope in order to insure that your
shares will be represented at the meeting. If you attend in person, the proxy
can be disregarded, if you wish, and you may vote your own shares.
 
                                            By Order of the Board of Directors
 
                                                  /s/  HARRY C. ERWIN
                                                       Harry C. Erwin
                                                   Chairman of the Board
 
   
Dated: May 17, 1994
    
<PAGE>   8
 
                         FIRST UNITED BANCSHARES, INC.
                                      AND
 
                           INVESTARK BANKSHARES, INC.
 
                             JOINT PROXY STATEMENT
                            ------------------------
 
                         FIRST UNITED BANCSHARES, INC.
 
                                   PROSPECTUS
                         985,849 SHARES OF COMMON STOCK
                                PAR VALUE $1.00
 
   
     This Proxy Statement and Prospectus ("Proxy Statement") is being furnished
to the stockholders of InvestArk Bankshares, Inc. ("InvestArk") and First United
Bancshares, Inc. ("First United or the Company") in connection with the
solicitation of proxies by the Board of Directors of InvestArk and First United,
respectively, for use at the annual meeting of stockholders of InvestArk to be
held on June 14, 1994, including any adjournments or postponements of the
meeting, and for use at a special meeting of stockholders of First United to be
held on June 14, 1994, including any adjournments or postponements of the
meeting. At the meetings or any adjournments or postponements thereof, the
stockholders of InvestArk and First United will be asked to consider and vote on
a proposal to authorize and approve the transactions contemplated by the
Agreement and Plan of Reorganization between First United and InvestArk, dated
December 17, 1993 (the "Agreement"), and incidental thereto the stockholders of
InvestArk will be asked to consider and vote on a proposal to elect to have
InvestArk governed by the Arkansas Business Corporation Act of 1987. Pursuant to
the Agreement and the Plan of Merger ("Plan of Merger") which is Exhibit A to
the Agreement, First United would acquire all of the issued and outstanding
stock of InvestArk through a merger transaction (the "Merger") in which
InvestArk would merge with and into First United in exchange for the issuance to
the stockholders of InvestArk of up to 985,849 shares of First United common
stock, par value $1.00 ("Common Stock").
    
 
     First United has agreed to register under the Securities Act of 1933, as
amended (the "Securities Act") the 985,849 shares of First United Common Stock
that may be issued to stockholders of InvestArk in exchange for their stock in
InvestArk. Consequently, this Proxy Statement serves as a Prospectus of First
United under the Securities Act for the issuance of shares of First United
Common Stock to stockholders of InvestArk.
 
   
     This Proxy Statement and the accompanying forms of proxy are first being
mailed to stockholders of InvestArk and First United on or about May 17, 1994.
On May 2, 1994, the closing price on the National Association of Securities
Dealers Automatic Quotation System of a share of First United Common Stock was
$    .
    
 
       THE ABOVE MATTERS ARE DISCUSSED IN DETAIL IN THIS PROXY STATEMENT.
      STOCKHOLDERS ARE STRONGLY URGED TO READ AND CONSIDER CAREFULLY THIS
                        PROXY STATEMENT IN ITS ENTIRETY.
                            ------------------------
 
THE SECURITIES TO BE ISSUED IN THE PROPOSED TRANSACTION HAVE NOT BEEN APPROVED
OR DISAPPROVED BY THE SECURITIES AND EXCHANGE COMMISSION OR ANY STATE SECURITIES
COMMISSION NOR HAS THE SECURITIES AND EXCHANGE COMMISSION OR ANY STATE
SECURITIES COMMISSION PASSED UPON THE ACCURACY OR ADEQUACY OF THIS PROXY
STATEMENT. ANY REPRESENTATION TO THE CONTRARY IS A CRIMINAL OFFENSE.
                            ------------------------
 
   
               THE DATE OF THIS PROXY STATEMENT IS MAY 17, 1994.
    
<PAGE>   9
 
     NO PERSON IS AUTHORIZED BY FIRST UNITED OR INVESTARK TO GIVE ANY
INFORMATION OR TO MAKE ANY REPRESENTATION, OTHER THAN THOSE CONTAINED IN THIS
PROXY STATEMENT, IN CONNECTION WITH THE SOLICITATION AND THE OFFERING MADE BY
THIS PROXY STATEMENT AND, IF GIVEN OR MADE, SUCH INFORMATION OR REPRESENTATIONS
SHOULD NOT BE RELIED UPON AS HAVING BEEN AUTHORIZED. THIS PROXY STATEMENT DOES
NOT CONSTITUTE THE SOLICITATION OF A PROXY OR AN OFFER TO SELL, OR A
SOLICITATION OF AN OFFER TO PURCHASE, ANY SECURITIES IN ANY JURISDICTION IN
WHICH SUCH SOLICITATION OR OFFERING MAY NOT LAWFULLY BE MADE.
 
     NEITHER THE DELIVERY OF THIS PROXY STATEMENT NOR ANY DISTRIBUTION OF
SECURITIES MADE HEREUNDER SHALL IMPLY THAT THERE HAS BEEN NO CHANGE IN THE
INFORMATION SET FORTH HEREIN OR IN THE AFFAIRS OF FIRST UNITED OR INVESTARK
SINCE THE DATE HEREOF.
                            ------------------------
 
                             AVAILABLE INFORMATION
 
     First United is subject to the informational requirements of the Securities
Exchange Act of 1934, as amended ("Exchange Act"), and, in accordance therewith,
files proxy statements, reports and other information with the Securities and
Exchange Commission ("Commission"). This filed material can be inspected and
copied at the public reference facilities maintained by the Commission at Room
1024, 450 Fifth Street, N.W., Washington, D.C. 20549, and at the Commission's
Regional Offices in Chicago (500 West Madison, Northwestern Atrium Center, 14th
Floor, Chicago, Illinois 60661) and in New York (75 Park Place, New York, New
York 10007) and copies of such material can be obtained by mail from the Public
Reference Section of the Commission, 450 Fifth Street, N.W., Washington, D.C.
20549, at prescribed rates. First United's Common Stock is traded on the
National Association of Securities Dealers Automated Quotation National Market
System and the Company's Exchange Act reports and other information can be
inspected and copied at the National Association of Securities Dealers, 1735 "K"
Street, N.W., Washington, D.C. 20006.
 
     First United has filed with the Commission a Registration Statement on Form
S-4 (together with any amendments thereto, the "Registration Statement") under
the Securities Act with respect to a maximum 985,849 shares of First United
Common Stock to be issued upon consummation of the transactions contemplated by
the Agreement. This Proxy Statement does not contain all the information set
forth in the Registration Statement and the exhibits thereto, certain portions
of which have been omitted as permitted by rules and regulations of the
Commission. Copies of the Registration Statement are available from the
Commission, upon payment of prescribed rates. For further information, reference
is made to the Registration Statement and the exhibits filed therewith.
Statements contained in this Proxy Statement or any document incorporated by
reference in this Proxy Statement relating to the contents of any contract or
other document referred to herein or therein are not necessarily complete, and
in each instance reference is made to the copy of such contract or other
document filed as an exhibit to the Registration Statement or such other
document, each such statement being qualified in all respects by such reference.
                            ------------------------
 
                INCORPORATION OF CERTAIN DOCUMENTS BY REFERENCE
 
   
     THIS PROXY STATEMENT INCORPORATES DOCUMENTS BY REFERENCE WHICH ARE NOT
PRESENTED HEREIN OR DELIVERED HEREWITH. THESE DOCUMENTS ARE AVAILABLE UPON
REQUEST FROM MR. JOHN E. BURNS, VICE PRESIDENT AND CHIEF FINANCIAL OFFICER,
FIRST UNITED BANCSHARES, INC., MAIN AND WASHINGTON STREETS, EL DORADO, ARKANSAS
71730, (501) 863-3181. IN ORDER TO ENSURE TIMELY DELIVERY OF THE DOCUMENTS, ANY
REQUEST, ALTHOUGH NOT REQUIRED, SHOULD BE MADE, BY CERTIFIED MAIL, ON OR BEFORE
JUNE 7, 1994.
    
 
                                        2
<PAGE>   10
 
     The following documents of First United, which have been filed with the
Commission under the Exchange Act, are incorporated by reference into this Proxy
Statement:
 
   
          1. The Company's Annual Report on Form 10-K for the fiscal year ended
     December 31, 1993, filed with the Commission on March 30, 1994.
    
 
          2. The Company's most recent Current Report on Form 8-K filed with the
     Commission on January 5, 1994.
 
   
     Each document filed subsequent to the date of this Proxy Statement pursuant
to Section 13(a), 13(c), 14 or 15(d) of the Exchange Act prior to the holding of
the Special Meeting of the Stockholders of InvestArk and First United,
respectively, shall be deemed to be incorporated by reference in this Proxy
Statement and shall be part hereof from the date of filing of such document. Any
statement contained in a document incorporated or deemed to be incorporated in
this Proxy Statement shall be deemed to be modified or superseded for purposes
of this Proxy Statement to the extent that a statement contained herein or in
any other subsequently filed document which also is or is deemed to be
incorporated by reference modifies or supersedes such document.
    
 
     All information contained in this Proxy Statement relating to First United
has been supplied by First United and all information relating to InvestArk has
been supplied by InvestArk.
 
                                        3
<PAGE>   11
 
                               TABLE OF CONTENTS
 
   
<TABLE>
<CAPTION>
                                                                                        PAGE
                                                                                        ----
<S>                                                                                     <C>
SUMMARY
  The Company.........................................................................    6
  InvestArk...........................................................................    6
  Federal Reserve Board Investigations................................................    6
  The Merger..........................................................................    6
  Combined Company....................................................................    7
  No Fairness Opinion.................................................................    7
  Election by InvestArk Stockholders Under the 1987 Act...............................    7
  The First United Special Meeting....................................................    8
  The InvestArk Annual Meeting........................................................    8
  Certain Federal Income Tax Consequences.............................................    8
  Dissenters' Rights..................................................................    8
  Regulatory Approvals................................................................    8
  Accounting Treatment................................................................    8
  Market Prices.......................................................................    9
  Comparative Per Share Data..........................................................    9
  Selected Financial Data.............................................................   10
THE INVESTARK ANNUAL MEETING
  Date, Time and Place................................................................   12
  Purpose of Meeting..................................................................   12
  Shares Outstanding and Entitled to Vote; Record Date................................   12
  Vote Required.......................................................................   12
  Voting; Solicitation of Proxies.....................................................   12
THE FIRST UNITED SPECIAL MEETING
  Date, Time and Place................................................................   13
  Purpose of Meeting..................................................................   13
  Shares Outstanding and Entitled to Vote; Record Date................................   13
  Vote Required.......................................................................   13
  Voting; Solicitation of Proxies.....................................................   13
THE MERGER
  Background of the Merger............................................................   13
  Reason for the Merger...............................................................   15
  Fairness of the Transaction.........................................................   15
  The Agreement.......................................................................   15
  Regulatory Approvals................................................................   16
  Antitrust Matters...................................................................   17
  Certain Federal Income Tax Consequences.............................................   17
  Accounting Treatment................................................................   18
  Right of Dissent Under the 1965 Act.................................................   18
  Right of Dissent under the 1987 Act.................................................   19
  Exchange Ratio for the Merger.......................................................   20
  Expenses of the Merger..............................................................   21
FINANCIAL INFORMATION
  Pro Forma Combining Balance Sheet...................................................   22
  Pro Forma Combining Statements of Income............................................   23
  Notes to Pro Forma Combining Financial Statements...................................   26
</TABLE>
    
 
                                        4
<PAGE>   12
 
   
<TABLE>
<CAPTION>
                                                                                        PAGE
                                                                                        ----
<S>                                                                                     <C>
ELECTION BY INVESTARK STOCKHOLDERS UNDER THE 1987 ACT
  Election Incidental to the Merger...................................................   26
  Reason for the Election.............................................................   26
  Result of the Election..............................................................   26
FIRST UNITED BANCSHARES, INC.
  General.............................................................................   29
  Regulation..........................................................................   29
  Offices.............................................................................   31
  Employees...........................................................................   31
  Description of First United Common Stock............................................   31
  Resale of First United Common Stock.................................................   31
  Recent Acquisition..................................................................   31
INVESTARK BANKSHARES, INC.
  Description of Business.............................................................   32
  Management's Discussion and Analysis................................................   32
  Directors and Executive Officers....................................................   40
  Transactions with Management........................................................   41
  Principal Stockholders of InvestArk.................................................   41
  Federal Reserve Board Investigations................................................   42
  Resulting Ownership in First United.................................................   42
  Registration Rights.................................................................   43
  Competition.........................................................................   44
  Litigation..........................................................................   44
  Offices.............................................................................   44
  Employees...........................................................................   44
  Description of InvestArk Stock......................................................   44
  Comparison of Rights of Holders of InvestArk Stock and First United Stock...........   44
LEGAL MATTERS AND EXPERTS
  Legal Opinions......................................................................   45
  Experts.............................................................................   45
  General.............................................................................   45
INDEX TO INVESTARK FINANCIAL STATEMENTS...............................................  F-1
ANNEXES
</TABLE>
    
 
<TABLE>
<S>      <C>                                                                             <C>
  I -    Agreement and Plan of Reorganization                                               I-1
  II -   Arkansas Business Corporation Act of 1965 sec. 4-26-1007                          II-1
  III-   Arkansas Business Corporation Act of 1987 sec. 4-27-1301 et. seq.                III-1
</TABLE>
 
                                        5
<PAGE>   13
 
                                    SUMMARY
 
     The following is a summary of certain information contained elsewhere in
this Proxy Statement. Reference is made to, and this summary is qualified in its
entirety by, the more detailed information contained elsewhere in this Proxy
Statement, in the attached Annexes and in the documents incorporated by
reference. Stockholders are urged to read carefully this Proxy Statement and the
attached Annexes in their entirety.
 
THE COMPANY
 
   
     The Company is a multi-bank holding company located in El Dorado, Arkansas
with five wholly-owned subsidiary banks operating in over 28 locations in seven
communities throughout the State of Arkansas. The Company's subsidiary banks
consist of First National Bank of El Dorado, El Dorado, Arkansas; First National
Bank of Magnolia, Magnolia, Arkansas; City National Bank of Fort Smith, Fort
Smith, Arkansas; Merchants and Planters Bank, N.A., Camden, Arkansas; and
Commercial Bank at Alma, Alma, Arkansas (collectively called the "Subsidiary
Banks"). The Company had consolidated assets of $938,694,000, and stockholders'
equity of $91,257,000 as of December 31, 1993.
    
 
     The Company's Common Stock is traded on the National Association of
Securities Dealers Automated Quotation National Market System Over-the-Counter
Market (NASDAQ-NMS) under the symbol "UNTD". The Company's principal executive
offices are located at Main and Washington Streets, El Dorado, Arkansas, 71730,
and its telephone number is (501) 863-3181.
 
INVESTARK
 
   
     InvestArk is a privately-owned Arkansas bank holding company which owns
99.7% of Bank of North Arkansas, Melbourne, Arkansas ("North Arkansas") and 100%
of First Stuttgart Bank and Trust Company, Stuttgart, Arkansas ("First Bank").
InvestArk had consolidated assets of $184,904,000 and stockholders' equity of
$16,865,000 as of December 31, 1993.
    
 
     There is no public market for shares of InvestArk's outstanding capital
stock. InvestArk's principal executive offices are located at 412 South Main
Street, Stuttgart, Arkansas, 72021; its telephone number is (501) 673-3545.
 
   
FEDERAL RESERVE BOARD INVESTIGATIONS
    
 
   
     On March 4, 1993, the Board of Governors of the Federal Reserve System
commenced a formal investigation of the ownership and control of Worthen Banking
Corporation ("Worthen"). The investigation appears to be focused on whether
members of the families of Jackson T. Stephens and Wilton R. Stephens (deceased)
have exerted control over Worthen in violation of the Bank Holding Company Act
and the Change in Bank Control Act. The events and transactions which are the
subject of the investigation do not involve InvestArk or First United. The
investigation is still ongoing. See "InvestArk Bankshares, Inc. -- Federal
Reserve Board Investigations."
    
 
   
     In addition, in February 1993, InvestArk management was advised that the
Federal Reserve Bank of St. Louis (the "St. Louis FED") had initiated a review
of the purchase and sale of municipal and other securities by and between
Stephens Inc., a registered broker-dealer owned by the Stephens family, and
InvestArk's bank subsidiaries to determine whether the transactions violated the
prohibitions of Section 23A and 23B of the Federal Reserve Act. First United's
obligation to consummate the Merger is conditioned upon the St. Louis FED not
having notified either of the parties of actual or proposed regulatory action
having an adverse effect on First United, InvestArk or the InvestArk bank
subsidiaries. See "InvestArk Bankshares, Inc. -- Federal Reserve Board
Investigations."
    
 
THE MERGER
 
     On December 17, 1993, the Company and InvestArk entered into a definitive
agreement pursuant to which the Company proposes to acquire all of the issued
and outstanding stock of InvestArk by merger of InvestArk with and into First
United. The acquisition of InvestArk will be consummated through the issuance
 
                                        6
<PAGE>   14
 
to InvestArk's stockholders of up to 985,849 shares of First United Common
Stock. The reason for the Merger is to expand the markets of the Company and
thereby increase the earning potential of the Company. The Agreement requires
that the merger be accounted for as a pooling of interests. See "The
Merger -- The Agreement."
 
     On October 21, 1993, the date immediately prior to the announcement of the
agreement in principle, shares of First United Common Stock traded on the
NASDAQ-NMS at a closing sales price of $29.50. There is no established market
value for the stock of InvestArk.
 
   
     Stephens Inc., a registered broker-dealer, served as a financial adviser to
InvestArk with respect to the Merger. For its role, Stephens Inc. is to receive
a $100,000 cash payment plus reasonable expenses from InvestArk. Stephens Inc.
is controlled by certain members of the families of Jackson T. Stephens and
Wilton R. Stephens (deceased) who are also affiliates of InvestArk. There are no
other benefits, other than the benefit of share ownership and/or continued
employment, to be received by insiders, officers, directors, affiliates or
principal shareholders of either InvestArk or First United as a result of the
Merger.
    
 
   
     THE BOARD OF DIRECTORS OF FIRST UNITED AND INVESTARK UNANIMOUSLY RECOMMEND
THAT FIRST UNITED AND INVESTARK STOCKHOLDERS, RESPECTIVELY, VOTE IN FAVOR OF THE
ADOPTION OF THE AGREEMENT.
    
 
   
COMBINED COMPANY
    
 
   
     As a result of the Merger, the combined operations of First United and
InvestArk as of December 31, 1993 and for the year then ended will ref]ect
assets of $1,124,000,000, shareholders equity of $108,000,000, net interest
income of $43,000,000 and net income of $13,000,000. If the maximum of 985,849
shares of common stock of First United are issued to InvestArk stockholders,
First United will have a total of 5,258,125 shares of common stock issued and
outstanding. Present First United stockholders will control 81.25% of such
shares and InvestArk stockholders will control 18.75% of such shares.
Approximately two-thirds of all shares issued to InvestArk stockholders will be
issued to members of the Stephens family. Pursuant to an agreement with the
Board of Governors of the Federal Reserve System, these shares will be placed in
trust and the voting power over such shares shall be exercised by the trustee,
who shall vote such shares equal to the percentages of affirmative and negative
votes of all other shares on any matter presented to stockholders. The W. R.
Stephens Trust and the W. R. Stephens, Jr. Trust presently own approximately
3.95% of all issued and outstanding shares of First United common stock and
these shares will continue to be voted by their respective trustees. See
"InvestArk Bankshares, Inc. -- Resulting Ownership in First United."
    
 
NO FAIRNESS OPINION
 
     No fairness opinion will be rendered in connection with this transaction.
 
ELECTION BY INVESTARK STOCKHOLDERS UNDER THE 1987 ACT
 
     The Election by the stockholders of InvestArk to be governed by the
Arkansas Business Corporation Act of 1987 codified at Ark. Code Ann. sec.
4-27-101 et. seq. (the "1987 Act") is incidental to and a condition of the
Merger proposal and approval of such election will have no force or effect
unless the Merger is likewise approved.
 
     InvestArk is a corporation organized under the Arkansas Business
Corporation Act of 1965, codified at Ark. Code Ann. sec. 4-26-101 et.seq. (the
"1965 Act"). The 1987 Act is applicable to those corporations that were
incorporated on or after January 1, 1988 or those "1965 Act" corporations that
elect to be governed by the 1987 Act by amending their Articles of Incorporation
to so state. The stockholders of First United elected to be governed by the 1987
Act by amending its Articles of Incorporation.
 
     The 1965 Act and 1987 Act have statutory merger procedures that must be
complied with in order to legally consummate a merger. Although both Acts
contain similar provisions, InvestArk must elect to be governed by the 1987 Act
in order to facilitate compliance with the applicable statutory procedures.
 
                                        7
<PAGE>   15
 
THE FIRST UNITED SPECIAL MEETING
 
   
     Approval of the Merger by the stockholders of First United will be
considered at a Special Meeting to be held at the First National Bank Building,
El Dorado, Arkansas on June 14, 1994 at 2:00 p.m. Central Daylight Time.
    
 
     The affirmative vote of the holders of two-thirds of the outstanding shares
of First United Common Stock is required for approval of the Merger. Directors,
executive officers and their affiliates hold a total of approximately 26.50% of
the outstanding Common Stock of First United. Stockholders of First United are
entitled to dissenters' rights. See "The Merger -- Right of Dissent under the
1987 Act."
 
THE INVESTARK ANNUAL MEETING
 
   
     Approval of the Merger by the stockholders of InvestArk will be considered
at an Annual Meeting to be held at 412 South Main Street, Stuttgart, Arkansas on
June 14, 1994, at 10:00 a.m. Central Daylight Time.
    
 
   
     The affirmative vote of the holders of a two-thirds of the outstanding
shares of InvestArk common stock is required for the approval of the Merger and
the Election to be governed by the 1987 Act. Directors, executive officers and
their affiliates hold a total of 6.30% of the outstanding stock of InvestArk. In
addition, stockholders who in the aggregate own 66.14% of the issued and
outstanding shares of InvestArk common stock have contractually committed to
vote their shares in favor of the Merger. Stockholders of InvestArk are entitled
to dissenters' rights. See "The Merger -- Right of Dissent under the 1965 Act;
Right of Dissent under the 1987 Act."
    
 
CERTAIN FEDERAL INCOME TAX CONSEQUENCES
 
     It is intended that for federal income tax purposes the Merger will be
treated as a reorganization within the meaning of Section 368(a) of the Internal
Revenue Code of 1986, as amended (the "Code"), and, accordingly, for federal
income tax purposes, no gain or loss will be recognized by either First United
or InvestArk as a result of the Merger and InvestArk's stockholders will not
recognize gain or loss upon the receipt of First United Common Stock in exchange
for InvestArk common stock. InvestArk expects to receive an opinion of counsel,
dated as of the effective date of the Merger, opining that no gain or loss will
be recognized by the InvestArk stockholders upon the receipt of First United
Common Stock in exchange for InvestArk common stock in connection with the
Merger. The parties to this transaction will not request a ruling from the
Internal Revenue Service concerning the taxability of this transaction. See "The
Merger -- Certain Federal Income Tax Consequences."
 
DISSENTERS' RIGHTS
 
     Holders of both First United Common Stock and InvestArk common stock are
entitled to dissenter's rights with respect to the Merger. Holders of First
United Common Stock may exercise their right of dissent under the 1987 Act,
while Holders of InvestArk Common Stock may exercise their right of dissent
under either the 1965 Act or the 1987 Act. See "The Merger -- Right of Dissent
under the 1965 Act; Right of Dissent under the 1987 Act."
 
REGULATORY APPROVALS
 
   
     At this time, First United has received the approval of the Board of
Governors of the Federal Reserve to merge InvestArk into First United. First
United has also received the approval of the Arkansas Bank Commissioner to
consummate the Merger. See "The Merger -- Regulatory Approvals."
    
 
ACCOUNTING TREATMENT
 
     First United intends to treat the Merger as a pooling of interests for
accounting purposes. Consummation of the Merger is conditioned upon the receipt
of the opinion of Arthur Andersen & Co. that the Merger will qualify for the
pooling of interests accounting treatment. See "The Merger -- Accounting
Treatment."
 
                                        8
<PAGE>   16
 
MARKET PRICES
 
     First United Common Stock is traded over-the-counter in the NASDAQ National
Market System. InvestArk common stock is not traded publicly and there is no
quoted market for the stock. The table below shows the high and low closing
sales prices for First United Common Stock.
 
<TABLE>
<CAPTION>
                                                                  FIRST UNITED
                                                                COMMON STOCK(1)
                                                              --------------------
                                                                    1 SHARE
                                                              --------------------
                                                               HIGH          LOW
                                                              ------       -------
            <S>                                               <C>          <C>
            1991............................................  $13.50       $ 11.75
            1992............................................  $26.00       $13.375
            1993............................................  $29.50       $ 23.00
</TABLE>
 
- ---------------
 
(1) All share prices have been adjusted for a two-for-one stock split which was
     declared July 27, 1992.
 
   
     On October 21, 1993, immediately prior to the public announcement of the
agreement in principle between First United and InvestArk as to the proposed
merger transaction, the closing sales price for First United Common Stock was
$29.50. On May 2, 1994, the closing sales price for First United Common Stock
was $      .
    
 
COMPARATIVE PER SHARE DATA
 
     The following table sets forth for the periods indicated selected
historical per share data of First United and InvestArk and the corresponding
pro forma and pro forma equivalent per share amounts giving effect to the
proposed Merger. The data presented are based upon the consolidated financial
statements and related notes of First United which are incorporated by reference
in this Proxy Statement, and the consolidated financial statements and related
notes of InvestArk and the pro forma combining balance sheet and income
statements, including the notes thereto, appearing elsewhere herein. This
information should be read in conjunction with such historical and pro forma
financial statements and related notes thereto. The assumptions used in the
preparation of this table appear elsewhere in this Proxy Statement. See
"Financial Information." These data are not necessarily indicative of the
results of the future operations of the combined organization or the actual
results that would have occurred if the Merger had been consummated prior to the
periods indicated.
 
   
<TABLE>
<CAPTION>
                                                          FIRST UNITED/INVESTARK      INVESTARK PRO FORMA
                                  FIRST                   PRO FORMA COMBINED(1)          EQUIVALENT(2)
                                  UNITED    INVESTARK    ------------------------   ------------------------
                                HISTORICAL  HISTORICAL   $26.50   $29.00   $29.50   $26.50   $29.00   $29.50
                                ----------  ----------   ------   ------   ------   ------   ------   ------
<S>                             <C>         <C>          <C>      <C>      <C>      <C>      <C>      <C>
Book value per common share:
  December 31, 1993............   $21.36      $78.09     $20.56   $20.90   $20.96   $93.75   $87.15   $85.94
Cash dividends per common
  share:
  Year ended December 31,
     1991......................      .50         .90        .50      .50      .50     2.28     2.09     2.05
  Year ended December 31,
     1992......................      .60         .95        .60      .60      .60     2.74     2.50     2.46
  Year ended December 31,
     1993......................      .66        1.15        .66      .66      .66     3.01     2.75     2.71
</TABLE>
    
 
   
<TABLE>
<S>                             <C>         <C>          <C>      <C>      <C>      <C>      <C>      <C>
Income per share from
  continuing operations:
  Year ended December 31,
     1991......................     1.77        4.19       1.61     1.63     1.64     7.34     6.80     6.72
  Year ended December 31,
     1992......................     2.44       10.33       2.41     2.45     2.46    10.99    10.22    10.09
  Year ended December 31,
     1993......................     2.79        5.93       2.51     2.55     2.56    11.45    10.63    10.50
</TABLE>
    
 
- ---------------
 
(1) See "Financial Information."
 
   
(2) The InvestArk pro forma equivalents represent the respective First
     United/InvestArk pro forma combined earnings, dividends and book value per
     common share multiplied by the applicable exchange ratio of 4.56 ($26.50
     First United stock value), 4.17 ($29.00 First United stock value) or 4.10
     ($29.50 First United stock value) shares of First United Common Stock for
     each share of InvestArk Common
    
 
                                        9
<PAGE>   17
 
   
     Stock so that the First United/InvestArk pro forma equivalent amounts are
     equated to the respective values for one share of InvestArk Common Stock.
     The exchange ratio is determined by dividing First United common stock to
     be received by the InvestArk stockholders by the 215,960 shares of
     InvestArk Common Stock currently outstanding.
    
 
SELECTED FINANCIAL DATA
 
   
     The table on the following page presents selected historical financial data
of First United and InvestArk and selected unaudited pro forma financial data
after giving effect to the Merger as a pooling of interests for accounting
purposes, assuming the Merger had occurred at the beginning of the earliest
period presented, but without giving effect to costs associated with the
consummation of the Merger, which currently are estimated to total $175,000. The
First United historical data for each of the years in the five-year period ended
December 31, 1993 are based on the historical financial statements of First
United as audited by Arthur Andersen & Co., independent public accountants. The
InvestArk historical data for each of the years in the five-year period ended
December 31, 1993 are based on the historical financial statements of InvestArk
as audited by Martin and Company, independent auditors. The pro forma data is
not necessarily indicative of the results of operations or the financial
condition that would have been reported had the Merger been in effect during
those periods, or as of those dates, or that may be reported in the future. Pro
forma combined per share data of First United and InvestArk give effect to the
exchange of each share of InvestArk common stock for 4.17 shares of First United
Common Stock.
    
 
     These data should be read in conjunction with the consolidated financial
statements of each of First United and InvestArk, and the related notes thereto,
incorporated by reference herein and in conjunction with the unaudited pro forma
financial information, including the notes thereto, appearing elsewhere in this
Proxy Statement. See "Incorporation of Certain Documents by Reference" and
"Financial Information."
 
   
                            SELECTED FINANCIAL DATA
    
 
   
<TABLE>
<CAPTION>
                                                            YEAR ENDED DECEMBER 31,
                                          -----------------------------------------------------------
                                            1989       1990        1991         1992         1993
                                          ---------  ---------  -----------  -----------  -----------
                                                    (IN THOUSANDS, EXCEPT PER SHARE DATA)
<S>                                       <C>        <C>        <C>          <C>          <C>
FIRST UNITED -- HISTORICAL
Operating Data
  Total interest income.................. $  65,903  $  68,212  $    68,796  $    63,381  $    59,413
  Net interest income....................    24,825     26,913       29,933       34,691       35,553
  Provision for possible loan losses.....     3,837      2,122        3,250        2,422        1,215
  Income from continuing operations......     6,201      7,438        7,547       10,443       11,937
Per Share Data
  Income from continuing operations......      1.45       1.74         1.77         2.44         2.79
  Cash dividend paid.....................      0.50       0.50         0.50         0.60         0.66
Selected Balance Sheet Items
  Total assets...........................   765,338    797,242      848,582      895,527      938,964
  Total securities.......................   261,600    294,366      373,824      427,000      425,535
  Net loans..............................   374,136    376,544      369,726      363,655      406,331
  Total deposits.........................   660,851    689,713      743,631      772,995      806,449
  Long-term debt.........................    11,643     10,536        9,429        8,321        7,214
  Capital accounts.......................    61,025     66,327       71,737       79,618       91,257
</TABLE>
    
 
                                       10
<PAGE>   18
 
   
<TABLE>
<CAPTION>
                                                            YEAR ENDED DECEMBER 31,
                                          -----------------------------------------------------------
                                            1989       1990        1991         1992         1993
                                          ---------  ---------  -----------  -----------  -----------
                                                   (IN THOUSANDS, EXCEPT PER SHARE DATA)
<S>                                       <C>        <C>        <C>          <C>          <C>
INVESTARK -- HISTORICAL
Operating Data
  Total interest income.................. $  14,756  $  15,786  $    15,960  $    14,188  $    12,555
  Net interest income....................     5,942      6,171        6,777        7,819        7,510
  Provision for possible loan losses.....       448      1,576        1,463           64          600
  Income from continuing operations......     1,435        286          907        2,233        1,278
Per Share Data
  Income from continuing operations......      6.64       1.32         4.19        10.33         5.93
  Cash dividend paid.....................      0.63       0.60         0.90         0.95         1.15
Selected Balance Sheet Items
  Total assets...........................   164,535    183,114      189,738      190,933      184,904
  Total securities.......................    60,956     74,690       72,239       82,462       87,864
  Net loans..............................    81,409     87,621       86,745       85,906       83,002
  Total deposits.........................   143,135    159,936      166,072      170,102      163,300
  Long-term debt.........................     1,100        890          870          500          509
  Capital accounts.......................    12,908     13,102       13,833       15,820       16,865
PRO FORMA -- COMBINED
Operating Data
  Total interest income.................. $  80,659  $  83,999  $    84,936  $    77,569  $    71,968
  Net interest income....................    30,767     33,084       36,711       42,510       43,063
  Provision for possible loan losses.....     4,285      3,698        4,714        2,486        1,815
  Income from continuing operations......     7,636      7,724        8,454       12,676       13,215
Per Share Data
  Income from continuing operations......      1.48       1.49         1.63         2.45         2.55
  Cash dividend paid.....................      0.50       0.50         0.50         0.60         0.66
Selected Balance Sheet Items
  Total assets...........................   929,873    980,356    1,038,320    1,086,460    1,123,598
  Total securities.......................   322,556    369,056      446,063      509,462      513,399
  Net loans..............................   455,545    464,165      456,471      449,561      489,333
  Total deposits.........................   803,986    849,649      909,703      943,097      969,749
  Long-term debt.........................    12,743     11,406       10,299        8,821        7,723
  Capital accounts.......................    73,933     79,429       85,570       95,438      108,122
</TABLE>
    
 
                                       11
<PAGE>   19
 
                          THE INVESTARK ANNUAL MEETING
DATE, TIME AND PLACE
 
   
     The InvestArk Annual Meeting will be held on June 14, 1994, commencing at
10:00 a.m. Central Daylight Time, at the offices of InvestArk, 412 South Main
Street, Stuttgart, Arkansas.
    
 
PURPOSE OF MEETING
 
     The purpose of the InvestArk Annual Meeting is to consider and vote upon
the adoption of the Agreement between InvestArk and First United and to consider
and vote upon the election of InvestArk to be governed by the Arkansas Business
Corporation Act of 1987 (the "Election").
 
SHARES OUTSTANDING AND ENTITLED TO VOTE; RECORD DATE
 
   
     The close of business on February 22, 1994 has been fixed by the Board of
Directors of InvestArk as the record date for the determination of holders of
InvestArk common stock entitled to notice of and to vote at the InvestArk Annual
Meeting. At the close of business on April 29, 1994, there were 215,960 shares
of InvestArk common stock issued and outstanding held by 159 shareholders of
record. Holders of record of InvestArk common stock on the record date are
entitled to one vote per share and are entitled to dissenters' rights. See "The
Merger -- Right of Dissent under the 1965 Act; Right of Dissent under the 1987
Act."
    
 
VOTE REQUIRED
 
     The affirmative vote of two-thirds of all the shares of InvestArk common
stock outstanding on the record date is required to adopt the Agreement and the
Election.
 
   
     As of January 1, 1994, directors, executive officers and their affiliates
own 6.30% of the outstanding stock of InvestArk. In addition, other stockholders
who in the aggregate own 66.14% of the outstanding shares of InvestArk common
stock, have contractually committed to vote their shares in favor of the Merger.
    
 
VOTING; SOLICITATION OF PROXIES
 
     Proxies for use at the InvestArk Annual Meeting accompany copies of this
Proxy Statement delivered to record holders of InvestArk common stock and such
proxies are solicited on behalf of the Board of Directors of InvestArk. A holder
of InvestArk common stock may use his proxy if he is unable to attend the
InvestArk Annual Meeting in person or wishes to have his shares voted by proxy
even if he does attend the meeting. The proxy may be revoked in writing by the
person giving it at any time before it is exercised by notice of such revocation
to the secretary of InvestArk, or by submitting a proxy having a later date, or
by such person appearing at the InvestArk meeting and electing to vote in
person. All proxies validly submitted and not revoked will be voted in the
manner specified therein. If no specification is made, the proxies will be voted
in favor of the Merger and the Election.
 
     InvestArk will bear the cost of solicitation of proxies from its
stockholders. In addition to using the mails, proxies may be solicited by
personal interview. Officers and other employees of InvestArk acting on
InvestArk's behalf, may solicit proxies personally.
 
                                       12
<PAGE>   20
 
                        THE FIRST UNITED SPECIAL MEETING
 
DATE, TIME AND PLACE
 
   
     The First United Special Meeting will be held on June 14, 1994, commencing
at 2:00 p.m. Central Daylight Time at the First National Bank Building, Main and
Washington Streets, El Dorado, Arkansas.
    
 
PURPOSE OF MEETING
 
     The purpose of the First United Special Meeting is to consider and vote
upon the adoption of the Agreement between InvestArk and First United.
 
SHARES OUTSTANDING AND ENTITLED TO VOTE; RECORD DATE
 
   
     The close of business on April 29, 1994 has been fixed by the Board of
Directors of First United as the record date for determination of holders of
First United Common Stock entitled to notice of and to vote at the First United
Special Meeting. At the close of business on April 29, 1994, there were
4,272,276 shares of First United Common Stock issued and outstanding held by
approximately 800 stockholders of record. Holders of record of First United
Common Stock on the record date are entitled to one vote per share, and are
entitled to Dissenter's Rights. See "The Merger -- Right of Dissent under the
1987 Act."
    
 
VOTE REQUIRED
 
     The affirmative vote of two-thirds of all the shares of First United Common
Stock outstanding on the record date is required to adopt the Agreement. As of
January 1, 1994, directors, executive officers and their affiliates own
approximately 26.50% of the outstanding Common Stock of First United.
 
VOTING; SOLICITATION OF PROXIES
 
     Proxies for use at the First United Special Meeting accompany copies of
this Proxy Statement delivered to record holders of First United Common Stock. A
holder of First United Common Stock may use his proxy if he is unable to attend
the First United Special Meeting in person or wishes to have his shares voted by
proxy even if he does attend the meeting. The proxy may be revoked in writing by
the person giving it at any time before it is exercised by notice of such
revocation to the secretary of First United, or by submitting a proxy having a
later date, or by such person appearing at the First United Special Meeting and
electing to vote in person. All proxies validly submitted and not revoked will
be voted in the manner specified therein. If no specification is made, the
proxies will be voted in favor of the Merger.
 
     First United will bear the cost of solicitation of proxies from its
stockholders. In addition to using the mails, proxies may be solicited by
personal interview. Officers and other employees of First United, acting on
First United's behalf, may solicit proxies personally.
 
                                   THE MERGER
 
BACKGROUND FOR THE MERGER
 
   
     From time to time, the board of directors and management of InvestArk have
considered various strategies for InvestArk, including merging with a larger
company. Representatives of Stephens Inc. of Little Rock, Arkansas, InvestArk's
financial advisors, were authorized to solicit potential merger partners.
Stephens Inc. initially compiled a broad list of prospects who might have an
interest. This list was then narrowed to a list of potential merger partners,
including First United, based on an evaluation of compatibility with InvestArk's
business, ability to provide satisfactory terms, and business and financial
prospects. The board viewed each of these criteria as being important to the
maximization of the InvestArk stockholders' value and the long-term best
interest of stockholders. Of primary importance was the ability of the potential
merger partner to continue and increase the market value of the investment by
InvestArk stockholders through continued and enhanced business operations. The
board also considered whether a potential merger partner would be able to
provide
    
 
                                       13
<PAGE>   21
 
   
InvestArk stockholders with readily marketable shares if a merger transaction
ensued and was effected through a tax-advantaged share exchange.
    
 
   
     Twelve companies from the list, including First United, were contacted on a
confidential basis concerning the possible merger. Eight of those companies were
sufficiently interested to sign confidentiality agreements and receive a package
of basic information about InvestArk. Although several parties indicated
additional general interest after reviewing the basic information, only First
United expressed a level of interest serious enough to merit further discussion.
After indicating specific interest and after the confidentiality agreement was
executed, First United was given the opportunity to examine the books and
records of InvestArk on a confidential basis. After First United completed its
review, the chairman of the board of InvestArk, with the assistance of
InvestArk's financial advisors, negotiated the specific financial terms of the
transaction with First United's Chief Financial Officer. These terms were placed
in a letter of intent which was executed on October 21, 1993. This letter of
intent provided the framework for the definitive, binding agreement between
InvestArk and First United. The definitive agreement was prepared and finalized
between October 21, 1993, and December 17, 1993. The definitive agreement was
formally presented to InvestArk's board for consideration on that date.
    
 
   
     In order to fully and finally evaluate the economic terms of the
transaction, the InvestArk board of directors, with the assistance of its
financial advisors, reviewed and evaluated the proposed transaction based on a
variety of criteria. The price was evaluated as a multiple of InvestArk's 1992
income, as a multiple of InvestArk's estimated 1993 net income, and as a
multiple of InvestArk's estimated September 30, 1993, book value. Assuming that
each First United share is valued in the range of $26.50 to $29.50, the First
United offer is equal to 11.70 times InvestArk's 1992 net income, and
approximately 1.5 times InvestArk's September 30, 1993 book value as estimated
at the time. These multiples were determined by the board of InvestArk to be
within the range of reasonableness when compared to other similar transactions.
    
 
   
     The proposed transaction was also evaluated in regard to the earnings
effect on First United and on the basis of the amount of dividends which, based
on past payment history, would result to InvestArk stockholders. These
comparisons also indicated that the proposed transaction would be beneficial.
    
 
   
     The InvestArk board, with the assistance of its financial advisors, also
compared the proposed transaction with other transactions which were apparently
similar. The InvestArk board evaluated the price/earnings multiples of the stock
of selected publicly traded bank holding companies located in Arkansas,
Missouri, and Tennessee. This evaluation reflected that the trading range price
of First United shares was reasonable in comparison to the shares of other
selected publicly traded bank holding companies, and therefore the shares to be
received by InvestArk stockholders appeared to be reasonably valued by the
market. The board of InvestArk also reviewed a summary of selected comparable
merger transactions and determined that the total consideration was reasonable
and within the range of other similar transactions. The board of InvestArk also
reviewed the First United 1992 annual report on Form 10-K, as well as the Form
10-Q filed by First United for the period ended September 30, 1993. The board of
InvestArk, through its financial advisors, also requested certain additional
information regarding material litigation, environmental concerns and
nonperforming assets of First United. The historical and current market price
and trading trends for First United stock were also charted and reviewed. These
were viewed favorably by the board of InvestArk.
    
 
   
     After all of these matters were reviewed and considered by the board, the
board determined that the First United offer was acceptable, and the Agreement
was approved on December 17, 1993, for presentation to the InvestArk
stockholders.
    
 
   
     For its role as financial advisor to InvestArk, Stephens Inc. is to receive
a cash payment of $100,000 from InvestArk, plus reimbursement for reasonable
expenses which are expected to be minimal. Payment is to be made at the closing
of the merger. Stephens Inc. is controlled by certain members of the families of
Wilton R. Stephens and Jackson T. Stephens, who are also affiliates of
InvestArk. Various Stephens family members and trusts own in the aggregate
66.14% of the outstanding shares of InvestArk common stock and have entered into
an agreement with First United to vote such shares in favor of the Merger.
    
 
                                       14
<PAGE>   22
 
   
     Stephens Inc. has acted as a market maker for First United common stock,
which is traded on the National Association of Securities Dealers automated
quotation system national market system, for many years. However, Stephens Inc.
has temporarily suspended its role as a market maker in First United common
stock pending closing of the merger.
    
 
   
REASON FOR THE MERGER
    
 
     The acquisition of InvestArk will expand First United's current markets.
The banking subsidiaries of InvestArk are located in Melbourne, Arkansas and
Stuttgart, Arkansas. Currently, there are no banking offices in the First United
system located in Melbourne or Stuttgart. Thus, the acquisition of InvestArk
expands First United's market into new areas.
 
     Management of First United believes that by expanding its markets, it will
increase the range and competitiveness of its banking services to persons
residing in the Melbourne and Stuttgart areas while increasing the earning power
of First United.
 
FAIRNESS OF THE TRANSACTION
 
     THE BOARD OF DIRECTORS OF FIRST UNITED AND INVESTARK BELIEVE THAT THE
PROPOSED ACQUISITION TERMS ARE FAIR TO THE STOCKHOLDERS OF BOTH FIRST UNITED AND
INVESTARK AND RECOMMEND A VOTE IN FAVOR OF THE ADOPTION OF THE AGREEMENT.
 
THE AGREEMENT
 
     The following description of certain features of the Agreement is qualified
in its entirety by the full text of the Agreement, which is incorporated herein
by reference and attached hereto by Annex.
 
     Under the terms of the Agreement, InvestArk will be merged with and into
First United in exchange for the issuance by the Company of a maximum of 985,849
newly issued shares of First United Common Stock to the holders of the common
stock of InvestArk.
 
   
     The Agreement provides that the stockholders of InvestArk will receive
total consideration of $26,125,000 consisting of fully paid and nonassessable
shares of Common Stock, $1.00 par value of First United, if the average price of
First United Common Stock is between $26.50 and $29.50. If the average price is
in this range the number of shares of First United common stock to be exchanged
for all of the issued and outstanding shares of InvestArk Common Stock will be
determined by dividing $26,125,000 by the average price of First United Common
Stock. The average price of First United Common Stock is defined as the average
sales price per share for all trades occurring during the period of ten (10)
trading days on which one or more trades actually takes place and which ends
immediately prior to the second trading day preceding the closing date.
Notwithstanding the foregoing, the number of shares of First United Common Stock
to be exchanged shall not be less than 885,593 and shall not be greater than
985,849 which equate to an average price of First United Common Stock of $29.50
and $26.50, respectively.
    
 
   
     If the average price of First United common stock is less than $26.50, the
amount of shares issued shall equal the ceiling of 985,849 shares. Also, if the
average price of First United common stock is more than $29.50, the amount of
shares issued shall equal the floor of 885,593 shares. The total consideration
exchanged will vary from $26,125,000 if the average price is either higher than
$29.50 or lower than $26.50. For example, if the average price is $35.00, the
InvestArk stockholders shall receive 885,593 shares of First United common
stock, each share having a value of $35.00 representing total consideration of
$30,995,755. If the average price is $22.00, the InvestArk stockholders shall
receive 985,849 shares of First United common stock, each share having a value
of $22.00 representing total consideration of $21,688,678. See "The
Merger -- Exchange Ratio for the Merger".
    
 
                                       15
<PAGE>   23
 
     Fractional shares of First United Common Stock shall not be issued and any
InvestArk stockholder entitled to receive a fractional share shall receive a
cash payment equal to the value of the fractional share based on the average
price of First United Common Stock.
 
     The Agreement can be terminated by InvestArk if the First United Common
Stock average price is less than $22.00 and the scheduled closing date is more
than 120 days after the date of the Agreement. First United may terminate the
Agreement if the First United Common Stock average price is $35.00 or more and
the scheduled closing date is more than 120 days after the date of the
Agreement. However, First United may not terminate the Agreement based upon the
aforementioned ground if: (i) First United has agreed or announced its intention
to be acquired by a third party or merge into a third party that is the
surviving corporation, or (ii) First United has received an unsolicited offer of
proposal to engage in such a transaction. In addition, either party may
terminate the Agreement, if the Merger is not closed on or before May 31, 1994
provided that the failure to close is not caused by a breach of the Agreement by
the party seeking to terminate it.
 
     First United and InvestArk have agreed, for the period prior to the
consummation of the merger, to operate their respective businesses only in the
usual, regular and ordinary course. In addition, First United and InvestArk will
use reasonable efforts to maintain and keep their respective properties in as
good repair and condition as at present, except for ordinary wear and tear and
to perform all obligations required under all material contracts, leases, and
documents relating to or affecting their respective assets prior to the
consummation of the Merger. First United and InvestArk have further agreed that,
prior to consummation of the Merger, they will not incur any material
liabilities or obligations, except in the ordinary course of business, or take
any action which would or is reasonably likely to adversely affect the ability
of either First United or InvestArk to obtain any necessary approvals, adversely
affect the ability of First United or InvestArk to perform their covenants and
agreements under the Agreement, or result in any of the conditions to the Merger
not being satisfied. InvestArk has further agreed that, unless otherwise
required by applicable law, it shall not initiate, solicit or encourage any
inquiry or proposal which constitutes a competing transaction.
 
     The Agreement requires that certain conditions occur or be waived prior to
the closing date ("conditions precedent"), including (a) approval by InvestArk
stockholders by two-thirds of all outstanding shares; (b) approval by First
United stockholders by two-thirds of all outstanding shares; (c) approval by the
appropriate bank regulatory authorities; (d) receipt by the Company of an
opinion from Arthur Andersen & Co. that the Merger will qualify for pooling of
interests treatment under the applicable accounting principles; and (e)
satisfaction of other normal conditions to closing a merger transaction. It is
also a condition to the Merger that First United have an effective registration
statement on file with the Securities and Exchange Commission covering the
issuance of shares to be exchanged pursuant to the Merger. Prior to the
effective date of the Merger, any condition of the Agreement except, those
required by law may be waived by the party benefited by the condition.
 
     The effective date of the Merger will be the date the Articles of Merger
are filed with the Arkansas Secretary of State, or the date so stated in the
Articles of Merger. The Agreement provides that a closing date will be set by
mutual agreement to occur within a reasonable time following the date on which
the last of all regulatory and other approvals necessary to consummate the
Merger have been received and all necessary time periods imposed by regulatory
authorities have elapsed. The parties may, however, amend the Agreement to
provide a later closing date.
 
REGULATORY APPROVALS
 
   
     The Merger is subject to prior approval by the appropriate banking
regulatory authorities. An application has been filed for approval of the Merger
with the Board of Governors of the Federal Reserve ("Board") for First United to
acquire InvestArk. In conjunction with the Board application, the Merger is also
subject to review by the Department of Justice as to its competitive effects. An
application has also been filed with the Arkansas Bank Department ("Department")
for approval of the Merger. The application made to the Board was approved on
March 15, 1994. The application made to the department was approved on February
24, 1994.
    
 
                                       16
<PAGE>   24
 
ANTITRUST MATTERS
 
   
     The Department of Justice has thirty (30) calendar days after approval by
the Board in which to challenge the proposed Merger on anti-trust
considerations. The approval letter or Order from the Board, therefore will
provide that the Merger may not be consummated until thirty (30) calendar days
after the effective date of such letter or Order. The letter or Order will also
provide that the transaction must be consummated no later than ninety (90)
calendar days from that effective date unless the period is extended for good
cause by the Board upon request by First United. The thirty calendar days has
expired from the effective date of the Board's approval.
    
 
CERTAIN FEDERAL INCOME TAX CONSEQUENCES
 
     General. For federal income tax purposes the law provides that participants
(a "Party" or "Parties") in a transaction, including the transaction
contemplated by the Merger, which meets certain specific statutory and case law
requirements (a "reorganization") are entitled to special tax treatment which
effectively defers the instance of taxation on any gain inherent in a
reorganization. This result is achieved by treating the Parties as if they had
continued substantially unaffected by the reorganization. Under Section 361, no
gain or loss is recognized by a Party as a result of a reorganization (Section
references under this caption are to the Internal Revenue Code of 1986, as
amended (the "Code"). Section 362(b) provides that the tax basis of property
received by a Party in a reorganization is the same as it would be in the hands
of the transferor, increased by any gain recognized by the transferor on such
transfer. The tax basis of the underlying assets of the Parties is not changed.
 
     For the stockholders of corporations which are Parties to a reorganization,
Section 354 provides that no gain or loss shall be recognized to such
stockholders on the exchange of their stock of one Party for the stock of
another Party. Section 358 provides that the basis of the stock received by such
a stockholder shall be the same as the basis of the stock surrendered in the
exchange. Under Section 1223, the holding period of the stock received by a
stockholder of one of the Parties will include the period for which the stock
exchanged by such stockholder was held.
 
     As a result of case law interpreting the special tax treatment available
for reorganizations, there is also (i) a continuity-of-interest concept which
requires that, in the aggregate, stockholders of each of the corporate parties
to a reorganization maintain a minimum level of equity ownership in the
surviving corporate party, (ii) a continuity of business enterprise requirement;
and (iii) a valid business purpose requirement.
 
     Tax Consequences. It is expected that at or prior to the closing date of
the Merger, InvestArk will receive closing tax opinion of tax counsel to
InvestArk that for federal income tax purposes, under current law, assuming that
the Merger and related transactions will take place as described in the Merger
Agreement and that the case law requirements described above, relating to
continuity of stockholder interest, continuity of business enterprise and valid
business purpose, are satisfied, the Merger will constitute a reorganization
within the meaning of Section 368(a)(1)(A) of the Code, and First United and
InvestArk each will be a Party to the reorganization within the meaning of
Section 368(b) of the Code.
 
   
     If the Merger constitutes such a reorganization, the following will be all
of the material federal income tax consequences of the Merger to InvestArk and
its stockholders in the opinion of Shults, Ray & Kurrus: (i) no gain or loss
will be recognized by the InvestArk stockholders upon the receipt of First
United Common Stock in exchange for InvestArk common stock in connection with
the Merger; (ii) the tax basis of the First United Common Stock to be received
by the InvestArk stockholders in connection with the Merger will be the same as
the basis in the InvestArk Common Stock surrendered in exchange therefor; (iii)
the holding period of the First United Common Stock to be received by the
InvestArk stockholders in connection with the Merger will include the holding
period of the InvestArk common stock surrendered in exchange therefor, provided
that InvestArk common stock is held as a capital asset at the effective time of
the Merger; and (iv) the payment of cash to stockholders of InvestArk in lieu of
the issuing fractional shares of First United Common Stock will be treated as if
the fractional shares were distributed as part of the exchange and then redeemed
by First United for cash and the payments received will be treated as
distributions in redemption of the fractional shares, subject to the provisions
of Section 302 of the Code.
    
 
                                       17
<PAGE>   25
 
     Cash Received by Holders of InvestArk or First United Common Stock Who
Dissent. A stockholder of InvestArk or First United who perfects his dissenter's
rights under the laws of Arkansas and who receives payment of the fair value of
his shares of InvestArk common stock will be treated as having received such
payment in redemption of such stock. Such redemption will be subject to the
conditions and limitations of Section 302 of the Code, including the attribution
rules of Section 318. In general, if the dissenting shares of common stock are
held by the holder as a capital asset at the effective time of the Merger, such
holder will recognize capital gain or loss measured by the difference between
the amount of cash received by such holder and the basis for such shares. Each
holder of common stock who contemplates exercising his dissenter's rights should
consult his own tax adviser as to the possibility that any payment to him will
be treated as dividend income.
 
     THE DISCUSSION SET FORTH ABOVE DOES NOT ADDRESS THE STATE, LOCAL OR FOREIGN
TAX ASPECTS OF THE MERGER. THE DISCUSSION IS BASED ON CURRENTLY EXISTING
PROVISIONS OF THE CODE, EXISTING AND PROPOSED TREASURY REGULATIONS THEREUNDER
AND CURRENT ADMINISTRATIVE RULINGS AND COURT DECISIONS. ALL OF THE FOREGOING ARE
SUBJECT TO CHANGE AND ANY SUCH CHANGE COULD AFFECT THE CONTINUING VALIDITY OF
THIS DISCUSSION. EACH INVESTARK AND FIRST UNITED STOCKHOLDER SHOULD CONSULT HIS
OR HER OWN TAX ADVISOR WITH RESPECT TO THE SPECIFIC TAX CONSEQUENCES OF THE
MERGER TO HIM OR HER, INCLUDING THE APPLICATION AND EFFECT OF STATE, LOCAL AND
FOREIGN TAX LAWS.
 
ACCOUNTING TREATMENT
 
     First United intends to treat the merger as a pooling of interests for
accounting purposes. Consequently, in accordance with generally accepted
accounting principles, First United anticipates that it will restate its
consolidated financial statements to include the assets, liabilities,
stockholders' equity and results of operations of InvestArk as reflected in its
consolidated financial statements, subject to appropriate adjustments, if any,
to conform accounting principles of the two companies.
 
RIGHT OF DISSENT UNDER THE 1965 ACT
 
     HOLDERS OF INVESTARK COMMON STOCK WILL BE ENTITLED TO EXERCISE DISSENTER'S
RIGHTS EITHER UNDER THE 1965 ACT OR THE 1987 ACT. IF APPROVED, THE ELECTION TO
BE GOVERNED BY THE 1987 ACT BY THE STOCKHOLDERS OF INVESTARK, AS DISCUSSED
BELOW, WILL BE MADE PRIOR TO CONSUMMATION OF THE MERGER BUT SUBSEQUENT TO A VOTE
ON SUCH MERGER. THEREFORE, FIRST UNITED WILL RECOGNIZE COMPLIANCE WITH EITHER
THE 1965 ACT OR THE 1987 ACT AS A VALID EXERCISE OF DISSENTER'S RIGHTS WITH
RESPECT TO SUCH MERGER. FOR A DISCUSSION OF THE PROCEDURE TO BE FOLLOWED UNDER
THE 1987 ACT, SEE "THE MERGER -- RIGHT OF DISSENT UNDER THE 1987 ACT."
 
     Under Arkansas law, holders of InvestArk common stock are entitled to
dissenters' rights pursuant to Ark. Code Ann. sec. 4-26-1007 of the 1965 Act.
However, if a holder of shares of InvestArk common stock chooses to follow the
procedure under the 1965 Act, he shall only be entitled to such rights if he
complies with that statute. The following summary does not purport to be a
complete statement of the method of compliance with Section 4-26-1007 and is
qualified by reference to those statutory sections which are attached, hereto by
Annex.
 
     A holder of InvestArk stock who wishes to perfect his dissenter's rights in
the event that the Merger is adopted must:
 
          (a) File with the corporation, prior to or at the meeting of
     stockholders at which the vote on the Agreement is to be made, written
     objection to the Agreement; and
 
          (b) Not have voted in favor of the Merger.
 
                                       18
<PAGE>   26
 
     Any written notice of objection to the Merger pursuant to clause (a) of the
immediately proceeding paragraph should be mailed or delivered to InvestArk
Bankshares, Inc., 412 South Main Street, Stuttgart, Arkansas 72021, Attention:
Harry C. Erwin, Chief Executive Officer. Because the written objection must be
delivered prior to or at the stockholder vote on the Agreement, it is
recommended, although not required, that a stockholder using the mail should use
certified or registered mail, return receipt requested, to confirm that he has
made timely delivery.
 
     Within ten (10) days after the consummation of the Merger, any stockholder
objecting to the Merger must make a written demand on First United for payment
of the fair value of his shares as of the day before the vote on the Agreement
was taken. This second notice should be mailed to First United Bancshares, Inc.,
Main and Washington Streets, El Dorado, Arkansas, 71730, Attention: John E.
Burns, Vice President and Chief Financial Officer. The demand must state the
number and class of shares owned. If a demand is not made within the 10-day
period, the stockholder is bound by the Agreement.
 
     Within ten (10) days after the Merger is effected, First United shall give
notice to each dissenting stockholder who made demand as provided above for the
payment of the value of his shares. If the dissenting stockholder and First
Untied agree upon the value of the shares within thirty (30) days after the date
of the Merger, then payment shall be made within ninety (90) days of the Merger.
Simultaneously with the payment, the dissenting stockholder shall surrender the
certificates representing his shares.
 
     If within the thirty-day period no agreement is reached as to the value of
the dissenting stockholder's shares, the dissenting stockholder must file a
petition in Pulaski County Circuit Court within 60 days after the expiration of
the 30-day period asking for a determination of the fair value of his shares.
The judgment will be final and is payable only upon and simultaneously with the
surrender of the certificates representing the shares to First United. If a
dissenting stockholder fails to file a petition within the 60-day period, he and
all persons claiming under him shall be bound by the terms of the Agreement.
 
RIGHT OF DISSENT UNDER THE 1987 ACT
 
     HOLDERS OF FIRST UNITED COMMON STOCK OR INVESTARK COMMON STOCK SHALL BE
ENTITLED TO DISSENTER'S RIGHTS PURSUANT TO ARK. CODE ANN. SEC. 4-27-1301 ET.
SEQ. OF THE 1987 ACT WITH RESPECT TO THE MERGER. HOWEVER, A HOLDER OF FIRST
UNITED COMMON STOCK SHALL ONLY BE ENTITLED TO EXERCISE DISSENTER'S RIGHTS UNDER
THE 1987 ACT, WHEREAS A HOLDER OF INVESTARK COMMON STOCK MAY ALSO EXERCISE SUCH
RIGHTS UNDER THE 1965 ACT, SEE "THE MERGER -- RIGHT OF DISSENT UNDER THE 1965
ACT."
 
     The following summary does not purport to be a complete statement of the
method of compliance with the 1987 Act and is qualified by reference to those
statutory sections which are attached hereto by Annex.
 
     A holder of either InvestArk or First United Common Stock who wishes to
perfect his dissenter's rights in the event that the Merger is adopted must:
 
          (a) File with the corporation, prior to or at the meeting of
     stockholders at which the vote on the Agreement is to be made, written
     objection to the Agreement; and
 
          (b) Not have voted in favor of the Merger.
 
     Any written notice of objection to the Merger pursuant to clause (a) of the
immediately preceding paragraph should be mailed or delivered to InvestArk
Bankshares, Inc., 412 South Main Street, Stuttgart, Arkansas 72021, Attention:
Mr. Harry C. Erwin, Chief Executive Officer (if you are a stockholder of First
United, to First United Bancshares, Inc., Main and Washington Streets, El
Dorado, Arkansas 71730, Attention: John E. Burns, Vice President and Chief
Financial Officer). Because the written objection must be delivered prior to or
at the stockholder vote on the Merger, it is recommended, although not required,
that a stockholder using the mail should use certified or registered mail,
return receipt requested, to confirm that he has made timely delivery.
 
                                       19
<PAGE>   27
 
     If the Merger is adopted at the special stockholders meeting, the
corporation must send to the dissenting stockholder, no later than ten (10) days
after the corporate action was taken, a dissenter's notice which will inform the
stockholder where a demand for payment must be sent, where the stockholder's
share certificates must be deposited and provide a form for demanding payment.
The dissenter's notice will also notify the stockholder of a time period within
not fewer than thirty (30) nor more than sixty (60) days which the stockholder
must deliver the payment demand form and stock certificates to the corporation.
 
     As soon as the Merger is consummated, or upon receipt of a payment demand
by the dissenting stockholder, First United must pay the dissenting stockholder
the amount First United estimates to be the fair value of the shares, plus
accrued interest and deliver to the dissenting stockholder the corporation's
balance sheet as of the most recent fiscal year, an income statement for that
year, a statement of changes in stockholder equity for that year, and the latest
available interim financial statement. At this time, First United shall also
deliver to the dissenting stockholder a statement of the corporation's estimate
of fair value of the shares, an explanation of how interest was calculated, a
statement of the dissenter's right to demand a higher value for his shares and a
copy of the appropriate statutory provisions governing the dissenters rights
procedure.
 
     Within thirty (30) days after the dissenting stockholder has received
payment in the amount the corporation estimates to be the fair value of the
shares, the dissenting stockholder must notify the corporation, in writing, of
his own estimate of fair value. If the dissenting stockholder does not notify
the corporation within this thirty (30) day period, he waives his right to
demand a higher payment.
 
     If the demand for payment, as referenced in the immediately preceding
paragraph remains unsettled for sixty (60) days from the date the corporation
receives the dissenting stockholders demand for payment, the corporation must
commence a proceeding and file a petition in Pulaski County Circuit Court to
determine the fair value of the shares and the amount of accrued interest to be
paid.
 
EXCHANGE RATIO FOR THE MERGER
 
   
     If the average sales price is between $26.50 and $29.50 the number of
shares of First United Common Stock to be issued pursuant to the Merger is
calculated by dividing $26,125,000 by the average sales price of First United
Common Stock for all trades occurring during the period of ten (10) days on
which one or more trades actually takes place and which ends immediately prior
to the second trading day preceding the closing date. If the average sales price
is less than $26.50 the total number of shares exchanged will be the ceiling of
985,849. If the average sales price is more than $29.50 the total number of
shares exchanged will be the floor of 885,593. The exchange ratio for the Merger
is calculated by taking the number of shares of First United Common Stock to be
issued and dividing this number by the total number of issued and outstanding
shares of InvestArk common stock, which is 215,960. The following table
illustrates a range of average sales prices for First United Common Stock and
based upon these average sales prices, calculates the number of shares of First
United Common Stock to be issued and the resulting exchange ratio. Furthermore,
the table illustrates the total consideration to be exchanged which shall vary
depending upon the average sales price of First United Common Stock. This table
is for illustration purposes only and should not be relied upon as the actual
amount of shares to be issued, the actual average sales price, the exchange
ratio, or the actual amount of consideration to be exchanged.
    
 
                         CALCULATION OF EXCHANGE RATIO
 
   
<TABLE>
<CAPTION>
FIRST UNITED     FIRST UNITED                      TOTAL
  AVERAGE        COMMON STOCK     EXCHANGE     CONSIDERATION
SALES PRICE         ISSUED        RATIO(2)       EXCHANGED
- ------------     ------------     --------     -------------
<S>              <C>              <C>          <C>
    22.00          985,849         4.5650        21,688,678
    26.50          985,849         4.5650        26,125,000
    28.00          933,035         4.3204        26,125,000
    29.50          885,593         4.1007        26,125,000
    35.00          885,593         4.1007        30,995,755
</TABLE>
    
 
                                       20
<PAGE>   28
 
- ---------------
 
(2) The Exchange Ratio represents the number of shares of First United Common
     Stock that a stockholder of InvestArk would receive for one share of
     InvestArk common stock. However, as discussed above, fractional shares will
     not be issued.
 
EXPENSES OF THE MERGER
 
     First United and InvestArk will bear their own expenses incident to
preparing for entering into and carrying out the Merger Agreement and the
consummation of the Merger, except that First United will pay all expenses
incident to the preparation of this Proxy Statement and its printing and
distribution and for the filing of necessary applications for approval of the
Merger with the Board and Department.
 
                             FINANCIAL INFORMATION
 
   
     The following unaudited Pro Forma Combining Balance Sheet as of December
31, 1993, and Unaudited Pro Forma Combining Income Statements for the years
ended December 31, 1993, 1992, and 1991 illustrate the effect of the proposed
Merger as if the Merger had occurred at the beginning of the earliest period
presented.
    
 
     These Pro Forma Combining Financial Statements should be read in
conjunction with the historical financial statements of First United which are
incorporated by reference herein and InvestArk which are included herein.
 
     The Pro Forma Combining Financial Statements are presented for comparative
purposes only and are not intended to be indicative of actual results had the
transactions occurred as of the dates indicated above nor do they purport to
indicate which may be attained in the future.
 
                                       21
<PAGE>   29
 
                       PRO FORMA COMBINING BALANCE SHEETS
 
   
<TABLE>
<CAPTION>
                                                                 DECEMBER 31, 1993
                                            -----------------------------------------------------------
                                                                            PRO FORMA        PRO FORMA
                                            FIRST UNITED     INVESTARK     ADJUSTMENTS        COMBINED
                                            ------------     ---------     -----------       ----------
                                                                  (IN THOUSANDS)
<S>                                         <C>              <C>           <C>               <C>
ASSETS
Cash and due from banks....................   $ 45,013       $   7,214       $               $   52,227
Short-term investments.....................     32,671           1,180                           33,851
Securities held for sale...................     83,468               0                           83,468
Investment securities......................    342,067          87,864                          429,931
Net loans..................................    406,331          83,002                          489,333
Premises and equipment.....................     11,182           2,722                           13,904
Goodwill...................................      4,308               0                            4,308
Other real estate owned....................        897             143                            1,040
Other assets...............................     12,757           2,779                           15,536
                                            ------------     ---------     -----------       ----------
          Total Assets.....................   $938,694       $ 184,904       $     0         $1,123,598
                                            ------------     ---------     -----------       ----------
                                            ------------     ---------     -----------       ----------
LIABILITIES AND CAPITAL ACCOUNTS
Deposits...................................   $806,449       $ 163,300                       $  969,749
Federal funds purchased and securities sold
  under agreements to repurchase...........     27,109           3,403                           30,512
Other liabilities..........................      6,665             827                            7,492
Long-term debt.............................      7,214             509                            7,723
                                            ------------     ---------     -----------       ----------
          Total Liabilities................    847,437         168,039                        1,015,476
                                            ------------     ---------     -----------       ----------
Preferred stock............................          0               0                                0
Common stock...............................      4,272           2,191        (2,191)(2)          5,173
                                                                                 901(2)
Surplus....................................     11,126           1,105        (1,105)(2)         13,391
                                                                               2,265(2)
Undivided Profits..........................     75,859          13,720                           89,579
Less: Treasury Stock.......................          0            (130)          130(2)               0
                                            ------------     ---------     -----------       ----------
  Net unrealized loss on marketable equity
     securities............................         --             (21)           --                (21)
          Total Capital Accounts...........     91,257          16,865             0            108,122
                                            ------------     ---------     -----------       ----------
          Total Liabilities and Capital
            Accounts.......................   $938,694       $ 184,904       $     0         $1,123,598
                                            ------------     ---------     -----------       ----------
                                            ------------     ---------     -----------       ----------
</TABLE>
    
 
                                       22
<PAGE>   30
 
   
                    PRO FORMA COMBINING INCOME STATEMENT(1)
    
 
   
<TABLE>
<CAPTION>
                                                               FOR THE YEAR ENDED DECEMBER 31,
                                                                            1993
                                                             -----------------------------------
                                                               FIRST                   PRO FORMA
                                                              UNITED       INVESTARK   COMBINED
                                                             ---------     -------     ---------
                                                            (IN THOUSANDS, EXCEPT FOR SHARE DATA)
<S>                                                          <C>           <C>         <C>
Interest income............................................  $  59,413     $12,555     $  71,968
Interest expense...........................................     23,860       5,045        28,905
                                                             ---------     -------     ---------
Net interest income........................................     35,553       7,510        43,063
Provision for loan losses..................................     (1,215)       (600)       (1,815)
                                                             ---------     -------     ---------
Net interest income after provision for loan losses........     34,338       6,910        41,248
Other income                                                          
  Service charges on deposit accounts......................      2,932         348         3,280
  Trust department income..................................      1,000         515         1,515
  Security gains...........................................         55          --            55
  Other service charges and fees...........................         --          90            90
  Other operating income...................................      1,168         556         1,724
                                                             ---------     -------     ---------
          Total other income...............................      5,155       1,509         6,664
Other expense                                                         
  Salaries.................................................      8,167       2,189        10,356
  Pension and other employee benefits......................      2,454         758         3,212
  Net occupancy expense....................................      1,788         427         2,215
  Equipment expense........................................        814         454         1,268
  Data processing expense..................................      1,573         171         1,744
  Other operating expense..................................      7,289       2,994        10,283
                                                             ---------     -------     ---------
          Total other expense..............................     22,085       6,993        29,078
                                                             ---------     -------     ---------
Income before income taxes.................................     17,408       1,426        18,834
Income tax expense.........................................      5,471         148         5,619
                                                             ---------     -------     ---------
Income from continuing operations..........................  $  11,937     $ 1,278     $  13,215
                                                             ---------     -------     ---------
                                                             ---------     -------     ---------
Earnings per share(3)......................................  $    2.79     $  5.93     $    2.55
Weighted average shares outstanding........................  4,272,276     215,450     5,173,138
</TABLE>
    
 
                                       23
<PAGE>   31
 
                    PRO FORMA COMBINING INCOME STATEMENT(1)
 
   
<TABLE>
<CAPTION>
                                                               FOR THE YEAR ENDED DECEMBER 31,
                                                                            1992
                                                             -----------------------------------
                                                               FIRST                   PRO FORMA
                                                              UNITED       INVESTARK   COMBINED
                                                             ---------     ---------   ---------
                                                            (IN THOUSANDS, EXCEPT FOR SHARE DATA)
<S>                                                          <C>           <C>         <C>
Interest income............................................   $  63,381     $14,188     $  77,569 
Interest expense...........................................      28,690       6,369        35,059 
                                                             ----------     -------     ---------
Net interest income........................................      34,691       7,819        42,510 
Provision for loan losses..................................      (2,422)        (64)       (2,486)
                                                             ----------     -------     ---------
Net interest income after provision for loan losses........      32,269       7,755        40,024 
                                                             ----------     -------     ---------
Other income                                                                                     
  Service charges on deposit accounts......................       2,831         380         3,211 
  Trust department income..................................         919         488         1,407 
Security gains.............................................         386           0           386 
  Other service charges and fees...........................           0          68            68 
  Other operating income...................................       1,379         568         1,947 
                                                             ----------     -------     ---------
          Total other income...............................       5,515       1,504         7,019 
                                                             ----------     -------     ---------
Other expense                                                                                    
  Salaries.................................................       7,770       2,088         9,858 
  Pension and other employee benefits......................       2,611         454         3,065 
  Net occupancy expense....................................       1,881         422         2,303 
  Equipment expense........................................         605         433         1,038 
  Data processing expense..................................       1,860         166         2,026 
  Other operating expense..................................       7,966       2,962        10,928 
                                                             ----------     -------     ---------
          Total other expense..............................      22,693       6,525        29,210 
                                                             ----------     -------     ---------
Income before income taxes.................................      15,091       2,734        17,825 
Income tax expense.........................................       4,648         501         5,149 
                                                             ----------     -------     ---------
Income from continuing operations..........................   $  10,443     $ 2,233     $  12,676 
                                                             ----------     -------     ---------
                                                             ----------     -------     ---------
Earnings per share(3)......................................   $    2.44     $ 10.33     $    2.45 
Weighted average shares outstanding........................   4,272,276     216,235     5,173,138
</TABLE>
    
 
                                       24
<PAGE>   32
 
                    PRO FORMA COMBINING INCOME STATEMENT(1)
 
   
<TABLE>
<CAPTION>
                                                               FOR THE YEAR ENDED DECEMBER 31,
                                                                            1991
                                                             -----------------------------------
                                                               FIRST                   PRO FORMA
                                                              UNITED       INVESTARK   COMBINED
                                                             ---------     -------     ---------
                                                               (IN THOUSANDS, EXCEPT FOR SHARE
                                                                            DATA)
<S>                                                          <C>           <C>         <C>
Interest income............................................   $68,976      $15,960      $84,936
Interest expense...........................................    39,043        9,182       48,225
                                                             ---------     -------     ---------
Net interest income........................................    29,933        6,778       36,711
Provision for loan losses..................................    (3,250)      (1,464)      (4,714)
                                                             ---------     -------     ---------
Net interest income after provision for loan losses........    26,683        5,314       31,997
Other income
  Service charges on deposit accounts......................     2,669          397        3,066
  Trust department income..................................       886          470        1,356
  Security gains...........................................       254            0          254
  Other service charges and fees...........................         0           82           82
  Other operating income...................................     1,137          666        1,803
                                                             ---------     -------     ---------
          Total other income...............................     4,946        1,615        6,561
                                                             ---------     -------     ---------
Other expense
  Salaries.................................................     7,566        2,040        9,606
  Pension and other employee benefits......................     2,279          412        2,691
  Net occupancy expense....................................     1,773          461        2,234
  Equipment expense........................................       623          370          993
  Data processing expense..................................     1,570          163        1,733
  Other operating expense..................................     7,285        2,448        9,733
                                                             ---------     -------     ---------
          Total other expense..............................    21,096        5,894       26,990
                                                             ---------     -------     ---------
Income before income taxes.................................    10,533        1,035       11,568
  Income tax expense.......................................     2,986          128        3,114
                                                             ---------     -------     ---------
Income from continuing operations..........................   $ 7,547      $   907      $ 8,454
                                                             ---------     -------     ---------
                                                             ---------     -------     ---------
Earnings per share(3)......................................   $  1.77      $  4.19      $  1.63
Weighted average shares outstanding........................ 4,272,276      216,212    5,173,138
</TABLE>
    
 
                                       25
<PAGE>   33
 
NOTES TO PRO FORMA COMBINING FINANCIAL STATEMENTS
 
   
     (1) The adjustments to the Pro Forma Combining Financial Statements do not
        include direct expenses related to the Merger, which will be recorded at
        the time of the Merger. The pro forma data are not necessarily
        indicative of the operating results or financial position that would
        have occurred had the Merger been consummated at the dates indicated,
        nor necessarily indicative of future operating results of financial
        position.
    
 
     (2) These adjustments reflect the issuance of approximately 900,862 shares
        of First United Common Stock in exchange for all InvestArk common stock
        and the retirement of InvestArk common stock held in treasury. The
        actual number of shares of First United Common Stock to be issued
        pursuant to the Merger will fluctuate based upon the average price of
        First United Common Stock assumed to be at 29.00 for these Pro Forma
        Combining Financial Statements.
 
     (3) Pro forma per share data are based on the number of shares of First
        United Common Stock that would have been outstanding had the Merger
        occurred at the beginning of the earliest period presented. The
        following table illustrates pro forma earnings per share based upon the
        allowable minimum and maximum average price of First United Common Stock
        of $26.50 and $29.50, respectively, pursuant to the Agreement.
 
   
<TABLE>
<CAPTION>
                                                                        $26.50    $29.50
                                                                        ------    ------
        <S>                                                             <C>       <C>
        Year ended December 31, 1991..................................  $ 1.61    $ 1.64
        Year ended December 31, 1992..................................    2.41      2.46
        Year ended December 31, 1993..................................    2.51      2.56
</TABLE>
    
 
             ELECTION BY INVESTARK STOCKHOLDERS UNDER THE 1987 ACT
 
ELECTION INCIDENTAL TO THE MERGER
 
     THE ELECTION BY THE STOCKHOLDERS OF INVESTARK TO BE GOVERNED BY THE
ARKANSAS BUSINESS CORPORATION ACT OF 1987 IS INCIDENTAL TO THE MERGER PROPOSAL
AND APPROVAL OF SUCH ELECTION WILL HAVE NO FORCE OR EFFECT UNLESS THE MERGER IS
LIKEWISE APPROVED.
 
REASON FOR THE ELECTION
 
     InvestArk is a corporation that was organized under the Arkansas Business
Corporation Act of 1965, codified at Ark. Code Ann. sec.4-26-101 et.seq. The
1987 Act is applicable to those corporations that were incorporated on or after
January 1, 1988 or those "1965 Act" corporations that elect to be governed by
the 1987 Act by amending their Articles of Incorporation to so state. The
stockholders of First United elected to be governed by the 1987 Act by amending
its Articles of Incorporation.
 
     The 1965 Act and 1987 Act have statutory merger procedures that must be
complied with in order to legally consummate a merger. Although both acts
contain similar provisions, it is advisable for InvestArk to elect to be
governed by the 1987 Act in order to facilitate compliance with the applicable
statutory requirements.
 
RESULT OF THE ELECTION
 
     The affirmative vote of two-thirds of all outstanding shares of InvestArk
common stock will authorize InvestArk to amend its Articles of Incorporation and
thereby elect to be governed by the 1987 Act. First United is governed by the
1987 Act and shares of First United Common Stock received by InvestArk
stockholders upon consummation of the Merger will entitle such stockholders
rights under the 1987 Act. The following discussion is an analysis of the
material differences between the 1965 and 1987 Act with respect to Stockholders'
rights.
 
     Powers of Directors in Setting Preferences, Rights and Limitation of
Classes and Series of Stocks. The 1965 Act states that the preferences, rights
and limitations of classes of stock must be specified in the Articles,
 
                                       26
<PAGE>   34
 
and that the power to establish certain limited rights and preferences for
series may be delegated to the Board. The 1987 Act, however, allows inclusion of
a provision in the Articles which gives the Board the power to set the
preferences, rights and limitations of any class or series of stock before any
shares of the class or series are issued. This power is exercised by filing with
the Secretary of State Articles of Amendment, adopted without stockholder
action.
 
     Preemptive Rights. The 1987 Act denies stockholders preemptive rights
(i.e., the right of existing stockholders to acquire newly-issued shares of
stock on a pro rata basis of current ownership interest) unless the Articles
specifically authorize preemptive rights. In contrast, the 1965 Act grants
certain preemptive rights unless denied by the Articles.
 
     Restrictions On Distributions. The 1987 Act allows a corporation to elect
in its Articles to restrict its ability to make distributions. The 1965 Act has
no such provision.
 
     Quorum. The 1987 Act, like the 1965 Act, provides that a quorum, for
purposes of a stockholders meeting, will be a majority of the shares entitled to
vote unless the Articles provide otherwise. The 1987 Act does not provide a
minimum size for the quorum. The 1965 Act provides that a quorum may not be less
that one-third of the shares entitled to vote.
 
     Cumulative Voting. Cumulative voting is a method of voting for directors
where each share entitled to vote is given as many votes as there are board
positions being voted on; the votes may be "cumulated," or cast for a single
position, rather than spread among the available positions. The 1987 Act does
not allow stockholders to cumulate their votes for election of directors unless
the Articles of Incorporation so provide. This is contrary to the 1965 Act,
which grants stockholders absolute cumulative voting rights.
 
     Removal of Directors. The 1987 Act allows the Articles to provide that
directors may be removed only for cause. The 1965 Act does not allow such a
limitation and provides that directors may be removed with or without cause by a
majority of the shares entitled to vote.
 
     Vacancy on Board of Directors. The 1987 Act provides that unless the
Articles provide otherwise, any vacancy on the board may be filled by either the
stockholders or the remaining directors. This is a change from the 1965 Act,
under which the remaining directors fill vacancies unless the Articles provide
otherwise.
 
     Amendment of By-Laws. The 1987 Act provides that the Articles may reserve
to the stockholders the power to amend a corporation's by-laws. If the power is
not so reserved, the board may amend the by-laws, but stockholders may not be
excluded from the power to amend the by-laws. The 1965 Act provides that the
board of directors alone have the power to amend the by-laws, unless the
Articles reserve that power solely to the stockholders.
 
     By-Law Increasing Quorum or Voting Requirements for Stockholders. The 1987
Act allows the stockholders to adopt a by-law that fixes a greater stockholder
quorum or voting requirement than the statutory requirement if such by-law is
authorized by the Articles of Incorporation. The 1965 Act has no such provision.
 
     Voting to Adopt Merger. The 1987 Act allows the Articles to set a voting
requirement for mergers which is greater than the statutory requirement of a
majority of votes to be cast. The 1965 Act includes a statutory requirement of
two-thirds of the votes entitled to be cast to approve a merger.
 
     Sales of Assets in Regular Course of Business and Mortgage of Assets.
Unless otherwise provided in the Articles, the 1987 Act allows the board to act
without stockholder approval in the sale or other disposition of all, or
substantially all, of the property of the corporation in the usual course of
business and to mortgage all or any of the corporation's property, whether or
not in the usual course of business. However, the 1965 Act contains the same
provision.
 
     Notice of Stockholder Meetings. The 1987 Act requires notice of the date,
time, and place of each annual or special meeting of the stockholders. If the
meeting is to consider a proposal to increase the authorized capital stock or in
bonded indebtedness of the corporation, the notice must be given no fewer than
75 days before the meeting period. The 1965 Act has the same provision. Under
the 1987 Act, in all other cases the
 
                                       27
<PAGE>   35
 
notice must be given no fewer than 10 and no more than 60 days before the
meeting date. Under the 1965 Act notice cannot be given fewer than 10 and more
than 50 days prior to the meeting.
 
     Proxies. Like the 1965 Act, the 1987 Act allows a stockholder to vote by
proxy. The procedural provisions for the exercise of proxies under the 1987 Act
are the same as under the 1965 Act.
 
     Voting. The 1987 Act, unlike the 1965 Act, does not count abstaining votes
in determining whether there are sufficient affirmative votes to approve a
measure. The 1965 Act states that (unless a greater number is required by
statute or by the Articles) approval by stockholders takes the affirmative vote
of a majority of the shares represented at the meeting and entitled to vote on
the subject matter. The 1987 Act, however, provides that the action is approved
if the votes cast within the voting group favoring the action exceed the votes
cast opposing the action.
 
     Dissenting Stockholders. Those transactions giving rise to dissenters'
rights under the 1965 Act are as follows:
 
          1. Consummation of a sale of all or substantially all of the assets of
     a corporation otherwise than in the usual or ordinary course of its
     business.
 
          2. Consummation of a merger or consolidation to which the corporation
     is a party unless on the date the Articles of Merger are filed the
     surviving corporation wholly owns the other corporations that are parties
     to the Merger.
 
     Under the 1987 Act, a stockholder is entitled to dissent from the following
corporate actions:
 
          1. Consummation of a plan of merger to which the corporation is a
     party if stockholder approval is required or if the corporation is a
     subsidiary that is merged with its parent;
 
          2. Consummation of a plan of share exchange to which the corporation
     is a party and which requires stockholder approval;
 
          3. Consummation of a sale or exchange of all, or substantially all, of
     the property of the corporation other than in the usual and regular course
     of business if stockholder approval is required;
 
          4. An amendment of the Articles of Incorporation that materially and
     adversely affects the rights of dissenters' shares; or
 
          5. Any other corporate action taken pursuant to a stockholder vote to
     the extend the Articles of Incorporation, the By-Laws, or a resolution of
     the board of directors provides that stockholders are entitled to dissent.
 
     For a summary of the procedure that would be followed in order to exercise
dissenters' rights under the 1965 Act, See "The Merger -- Right of Dissent under
the 1965 Act." For a summary of the procedure that would be followed in order to
exercise dissenters' rights under the 1987 Act, See "The Merger -- Right of
Dissent under the 1987 Act."
 
                                       28
<PAGE>   36
 
                         FIRST UNITED BANCSHARES, INC.
GENERAL
 
     First United is a multi-bank holding company incorporated in 1980 for the
purpose of holding all of the outstanding stock of The First National Bank of El
Dorado, El Dorado, Arkansas having assets of $286 million, deposits of $244
million, and stockholders' equity of $31 million, as of September 30, 1993.
Between 1981 and 1988, First United acquired three other banks in different
cities within Arkansas. The banks acquired were the First National Bank of
Magnolia, Magnolia, Arkansas, having assets of $201 million, deposits of $176
million, and stockholders' equity of $21 million, as of September 30, 1993;
Merchants and Planters Bank, N.A. of Camden, Camden, Arkansas, having assets of
$90 million, deposits of $81 million, and stockholders' equity of $9 million as
of September 30, 1993; and City National Bank of Fort Smith, Fort Smith,
Arkansas, having assets of $310 million deposits of $271 million and
stockholders' equity of $27 million as of September 30, 1993. Each of the banks
are wholly-owned by First United, and, furthermore, are banks organized under
the laws of the United States and are regulated by the Office of the Comptroller
of the Currency.
 
     On November 30, 1993 First United acquired Commerce Financial Corporation
which wholly-owned Commercial Bank at Alma, Alma, Arkansas. Commerce Financial
Corporation was merged into First United which succeeded to the ownership of
Commercial Bank at Alma which had assets of $45 million, deposits of $40
million, and stockholders' equity of $5.5 million as of the date of closing.
Commercial Bank at Alma is a state-chartered institution and is regulated under
the supervision of the Arkansas Bank Department.
 
     The banks offer customary services of banks of similar size and similar
markets, including interest-bearing and non-interest-bearing deposit accounts,
commercial, real estate and personal loans, trust services, correspondent
banking services and safe deposit box activities.
 
     The banking business is highly competitive. The Subsidiary Banks of First
United compete actively with national and state banks, savings and loan
associations, securities dealers, mortgage bankers, finance companies and
insurance companies.
 
   
REGULATION
    
 
   
     First United is a registered bank holding company pursuant to the Bank
Holding Company Act of 1956, as amended (the "Act"), and as such, is subject to
regulation and examination by the Federal Reserve Board and is required to file
with the Federal Reserve Board annual reports and other information regarding
the business operations of itself and its subsidiaries. The Act provides that a
bank holding company may be required to obtain Federal Reserve Board approval
for the acquisition of more than 5% of the voting securities of substantially
all of the assets of any bank or bank holding company, unless it already owns a
majority of the voting securities of such bank or bank holding company. The Act
prohibits First United from engaging in any business other than banking or
bank-related activities specifically allowed by the Federal Reserve Board. The
Act also prohibits First United and its subsidiaries from engaging in certain
tie-in arrangements in connection with the extension of credit, the lease of
sale of property or the provision of any services.
    
 
   
     As a registered bank holding company, First United is subject to the
Federal Reserve Board's position that a bank holding company should serve as a
"source of strength" for its bank subsidiaries. In an early application of the
doctrine the Federal Reserve Board announced that failure to assist a troubled
bank subsidiary when its holding company was in a position to do so was an
unsafe and unsound practice and the Federal Reserve Board claimed the authority
to order a bank holding company to capitalize its subsidiary banks.
    
 
   
     In 1991 Congress modified the source of strength doctrine by creating a
system of prompt corrective actions under which the federal banking agencies are
required to take certain actions to resolve the problems of depository
institutions based on their level of capitalization. In a bank holding company
organization, an undercapitalized insured depository institution must submit a
capital restoration plan to the appropriate agency which may not accept the plan
unless the company controlling the institution has guaranteed that the
institution will comply with the plan until the institution has been adequately
capitalized on average during
    
 
                                       29
<PAGE>   37
 
   
each of four consecutive calendar quarters. The aggregate liability to the
guaranteeing companies is the lesser of an amount equal to 5 percent of the
institution's total assets at the time the institution became undercapitalized,
or the amount which is necessary to bring the institution into compliance with
applicable capital standards.
    
 
   
     For a significantly undercapitalized institution, the appropriate agency
must prohibit a bank holding company from making any capital distribution
without prior Federal Reserve Board approval. The agency also may require a bank
holding company to divest or liquidate the institution.
    
 
   
     First United and its subsidiaries are also subject to various federal
banking laws including the Financial Institutions, Reform, Recovery and
Enforcement Act of 1989 ("FIRREA") which, among other things, made substantive
changes to the deposit insurance system. As a part of the reorganization of the
deposit insurance funds, the deposit premiums for insurance of Bank Insurance
Fund members were significantly increased. FIRREA also authorized bank holding
companies to acquire savings and thrift institutions without tandem operation
restrictions. Furthermore, FIRREA expanded the authority of regulatory agencies
to assess severe penalties ranging from $5,000 per day to $l,000,000 per day, on
persons or institutions that the agency finds in violation of a broad range of
activities.
    
 
   
     First United and its subsidiaries are also subject to the provisions of the
Federal Deposit Insurance Corporation Improvement Act of 1991, which provided
for industry-wide standards in such areas as real estate lending, further
restrictions on brokered deposits and insider lending, establishment of a
risk-based deposit insurance system, enhanced examinations and audits of banking
institutions, the adoption of a Truth-in-Savings Act, various
merger-and-acquisitions related provisions, and the implementation of
legislation on foreign bank operations in the United States.
    
 
   
     The provisions of the Community Reinvestment Act of 1977, as amended, are
applicable to the subsidiaries of First United. Federal regulators are required
to consider performance under the Community Reinvestment Act before approving an
application to establish a branch or acquire another financial institution. The
Federal Reserve Board has promulgated regulations governing compliance with the
Community Reinforcement Act in Regulation BB. Recent regulatory and statutory
developments show that compliance with the Community Reinvestment Act is subject
to strict scrutiny and is often grounds for denial of an application to federal
regulators. First United's subsidiary banks are all rated "satisfactory" for CRA
purposes.
    
 
   
     On January 19, 1989, the Federal Reserve Board issued final guidelines to
implement risk-based capital requirements for bank holding companies. The
guidelines establish a systematic analytical framework that makes regulatory
capitial requirements more sensitive to differences in risk profiles among
banking organizations, takes off-balance sheet exposures into account in
assessing capital adequacy, and minimizes disincentives to holding liquid,
low-risk assets. The guidelines provided for phasing in risk-based capital
standards through the end of 1992, at which time the standards became fully
effective. The Company's year end 1993 Tier 1 ratio of 18.83% and Total capital
ratio of 19.53% exceeds the current minimum regulatory requirements of 4.00% and
8.00% respectively.
    
 
     First United's Subsidiary Banks are subject to a variety of regulations
concerning the maintenance of reserves against deposits, limitations on the
rates that can be charged on loans or paid on deposits, branching, restrictions
on the nature and amounts of loans and investments that can be made and limits
on daylight overdrafts.
 
   
     The Subsidiary Banks are limited in the amount of dividends they may
declare. Prior approval must be obtained from the appropriate regulatory
authorities before dividends can be paid by the Banks to First United if the
amount of adjusted capital, surplus and retained earnings is below defined
regulatory limits. First United's subsidiary banks will have available for
payment of dividends without regulatory approval, approximately $15,400,000 of
undistributed earnings as of December 31, 1993. The Subsidiary Banks are also
restricted from extending credit or making loans to or investments in First
United and certain other affiliates as defined in the Act. Furthermore, loans
and extensions of credit are subject to certain other collateral requirements.
    
 
                                       30
<PAGE>   38
 
OFFICES
 
     First United's executive offices are located in the offices of First
National Bank of El Dorado at Main and Washington Streets, El Dorado, Arkansas
71730.
 
EMPLOYEES
 
     As of December 31, 1993, First United and its Subsidiary Banks had
approximately 373 full-time equivalent employees, 100 of whom are located in El
Dorado, 144 of whom are located in Fort Smith, 67 of whom are located in
Magnolia, 37 of whom are located in Camden, and 25 of whom are located in Alma.
 
DESCRIPTION OF FIRST UNITED COMMON STOCK
 
     The following summary of the terms of First United Common Stock does not
purport to be complete and is qualified in its entirety by reference to the 1987
Act and First United's Amended and Restated Articles of Incorporation. First
United's Amended and Restated Articles of Incorporation authorizes the issuance
of 12,000,000 shares of Common Stock, $1.00 par value. There are 4,272,276 fully
paid and non-assessable shares of First United Common Stock issued and
outstanding.
 
     Each share of First United Common Stock is entitled to one vote on all
matters to be voted on by stockholders, including the right to cumulate votes
for the election of the Board of Directors, and to dividends when and if
declared from time to time by the Board of Directors. There is no right of
preemption associated with the First United Common Stock. Upon liquidation, each
share would be entitled to share pro rata in all of the assets of First United
available for distribution to the holders of Common Stock. The transfer agent
for First United Common Stock is First National Bank of El Dorado, El Dorado,
Arkansas. First United Common Stock is traded on NASDAQ-National Market System
over-the-counter under the symbol of "UNTD."
 
RESALE OF FIRST UNITED COMMON STOCK
 
   
     The First United Common Stock issued pursuant to the Merger will be freely
transferable under the Securities Act of 1933 (the "Securities Act"), except for
shares issued to any InvestArk stockholder who may be deemed to be an
"affiliate" of InvestArk for purposes of Rule 145 under the Securities Act. Each
such stockholder has entered into an agreement with First United providing that
such affiliate will not transfer any First United Common Stock received in the
merger except in compliance with the Securities Act and will not sell or
otherwise transfer such Common Stock (or any interest therein) until financial
results of First United and its subsidiaries (including InvestArk) for at least
30 days of combined operations are published. This restrictions expected to
expire by August 15, 1994. See also "InvestArk Bancshares, Inc. -- Resulting
Ownership in First United".
    
 
RECENT ACQUISITION
 
   
     On November 30, 1993, First United acquired Commerce Financial Corporation,
Alma, Arkansas, which wholly-owned Commercial Bank at Alma, Alma, Arkansas.
Commercial Bank at Alma is a state-chartered commercial bank which at the
closing date had approximately $45,000,000 in assets, $40,000,000 in deposits
and $5,500,000 million in stockholder equity. The merger of Commerce Financial
Corporation with and into First United was accounted for under the purchase
method of accounting. Total cash consideration paid by First United in the
acquisition of Commerce Financial Corporation was approximately $5,367,000.
    
 
                                       31
<PAGE>   39
 
                           INVESTARK BANKSHARES, INC.
DESCRIPTION OF BUSINESS
 
     InvestArk is a multi-bank holding company which owns 99.7% and 100% of the
common stock of The Bank of North Arkansas, Melbourne, Arkansas ("North
Arkansas") and First Stuttgart Bank and Trust Company, Stuttgart, Arkansas,
("First Bank") respectively. InvestArk may engage, directly or through
subsidiaries, in those activities closely related to banking which are
specifically permitted under the Bank Holding Company Act of 1956, as amended.
 
     InvestArk was organized as an Arkansas bank holding company on July 20,
1984. The sole asset of InvestArk is the stock it holds in its two bank
subsidiaries. The subsidiaries grant commercial, installment and real estate
loans to customers principally in Arkansas County and Izard County, Arkansas. As
of September 30, 1993, these subsidiaries had a total of $83,133,078 of loans
outstanding and a loan loss reserve of $896,091. InvestArk adjusted its
allowance for possible loan losses and reserve against other real estate owned
to add $690,000 in the fourth quarter of 1993. This amount resulted in a
reduction of the same amount in InvestArk's capital account. However, this
reduction in capital was substantially recouped by InvestArk's retention of
fourth quarter earnings. For a more complete discussion regarding the
aforementioned mentioned adjustment, see "InvestArk Bankshares,
Inc. -- Management Discussion and Analysis".
 
MANAGEMENT'S DISCUSSION AND ANALYSIS
 
     The following discussion and analysis highlights the significant factors
affecting InvestArk's consolidated financial statements. For a more complete
understanding of the following discussion, reference should be made to
InvestArk's consolidated financial statements and related notes thereto
presented elsewhere in this Proxy Statement.
 
                             BALANCE SHEET ANALYSIS
 
   
     Financial Condition. At December 31, 1993 total assets were $184,904,000
reflecting a modest decrease over the December 31, 1992 level of $190,940,000.
InvestArk receives a major portion of its income from earning assets which
consist of interest bearing deposits with other banks, federal funds sold,
investment securities and loans. See tables 1 and 2.
    
 
   
     InvestArk's loan portfolio represents the largest component of the earning
asset base and has the largest impact upon income from earning assets. However,
the loan portfolio continues to experience modest declines as a result of
weakened loan demand. Inherent in InvestArk's loan portfolio is credit risk.
InvestArk maintains an allowance against which loan losses are charged.
Management evaluates the allowance adequacy quarterly. Management's methodology
to determine the adequacy of the allowance considers specific credit reviews,
past loan loss experience, current economic conditions and trends and the volume
and composition of the loan portfolio. See tables 5 through 9 and "Earnings
Analysis -- Provision for Possible Loan Losses" for additional information.
    
 
   
     Investment securities continues to grow. At December 31, 1993, investment
securities had a balance of $87,864,000 as compared to December 31, 1992 level
of $82,462,000. The increase from 1992 to 1993 primarily reflects a shift out of
cash and due from bank accounts to investment securities in an effort to
maximize earning asset levels. See tables 3 and 4.
    
 
   
     As the primary source to fund earning assets, deposits have decreased to a
level of $163,300,000 at December 31, 1993 as compared to December 31, 1992
level of $170,102,000. Time deposits decreased by $8,110,000 or 10% for the year
ended December 31, 1993 due to declining interest rates and the resulting shift
from interest bearing deposits due to depositors shortening their time horizons.
See table 10 for further analysis of time deposits in excess of $100,000.
    
 
   
     Liquidity and Interest Rate Sensitivity Management. Liquidity is the
ability of the bank to fund the needs of its borrowers, depositors and
creditors. Based on maturity structure and anticipated loan and deposit funding
requirements, InvestArk anticipates that its liquidity requirements will be met
in the foreseeable future. InvestArk's management is of the opinion that
traditional sources of maturing loans and investment
    
 
                                       32
<PAGE>   40
 
   
securities, federal funds and the base of core deposits will be adequate to
provide liquidity needs. See tables 4, 6 and 10 for additional information on
certain investment, loan and time deposit maturities.
    
 
   
     The matching of assets and liabilities may be analyzed by examining the
extent to which such assets and liabilities are "interest rate sensitive" and by
monitoring an institution's interest rate sensitivity "gap." An asset or
liability is said to be interest rate sensitive within a specific time period if
it will mature or reprice within that time period. The interest rate sensitivity
gap is defined as the difference between the amount of interest-earning assets
expected to mature or reprice within a specific time period and the amount of
interest-bearing liabilities expected to mature or reprice within that time
period. A gap is considered positive when the amount of interest rate sensitive
assets maturing within a specific time frame exceeds the amount of interest rate
sensitive liabilities maturing within that same time frame. During a period of
falling interest rates, a positive gap tends to result in a decrease in net
interest income. Whereas in a rising interest rate environment, an institution
with a positive gap could experience the opposite results. The table below
represents InvestArk's gap position as of December 31, 1993 (in thousands):
    
 
   
<TABLE>
<CAPTION>
                                                             0-30   31-90   91-180  181-365   OVER
                                                             DAYS    DAYS    DAYS    DAYS    1 YEAR
                                                            ------  ------  ------  -------  -------
<S>                                                         <C>     <C>     <C>     <C>      <C>
Rate sensitive assets...................................... 29,745  12,583  14,224   20,053   98,212
Rate sensitive liabilities................................. 24,471  14,807  11,661   15,712   73,161
                                                            ------  ------  ------  -------  -------
          Net gap..........................................  5,274  (2,224)  2,563    4,341   25,051
                                                            ------  ------  ------  -------  -------
                                                            ------  ------  ------  -------  -------
</TABLE>
    
 
   
     At December 31, 1993, InvestArk's interest-bearing assets maturing or
repricing within one year exceeded the interest-bearing liabilities maturing or
repricing within the same time period. Based upon its evaluation of the interest
rate market, management feels InvestArk's gap position is in compliance with its
asset/liability management policies.
    
 
     Capital. The Federal Reserve Board requires banks to maintain capital based
on "risk-adjusted" assets so that categories of assets with potentially higher
risk will require more capital backing than assets with lower risk. In addition,
banks are required to maintain capital to support, on a risk-adjusted basis,
certain off-balance sheet activities such as loan commitments.
 
   
     At December 31, 1993, InvestArk's Tier 1 capital and total capital as a
percentage of total risk-adjusted assets were each 13.5% which exceeded the
required minimum levels. The required minimum levels for Tier 1 capital and
total capital are 4.0% and 8.0%, respectively.
    
 
                               EARNINGS ANALYSIS
 
   
     For the years ended December 31, 1993, 1992, and 1991, net income was
approximately $1,278,000, $2,233,000, and $907,000, respectively. For the years
ended December 31, 1993, 1992 and 1991, the return on average assets was 0.7%,
1.3%, and 0.5%, respectively, while the return on average equity was 7.6%,
14.3%, and 6.3%, respectively.
    
 
     The primary components of total income and expense which affect net income
are net interest income, provision for possible loan losses, non-interest
income, non-interest expense and the provision for income taxes. Significant
factors affecting these categories are presented below.
 
   
     Net Interest Income. For the years ended December 31, 1993, 1992, and 1991,
net interest income was $7,510,000, $7,819,000 and $6,777,000, respectively. The
decrease in 1993 over 1992 levels results from levels of yields on investment
securities and yields decreasing relatively more as compared to rate decreases
on interest-bearing deposits. These increases in 1992 over 1991 levels result
from increases in earnings assets and a decrease in interest expense which was
the result of falling interest rates. See Tables 1 and 2.
    
 
   
     Provision for Possible Loan Losses. For the year ended December 31, 1993,
InvestArk made additions to its allowance for possible loan losses of
approximately $600,000 compared to $64,000 in 1992 and $1,463,000 in 1991. The
increase in 1993 as compared to 1992 levels results primarily from concern with
respect decreases in agricultural yields in the fall of 1993. As discussed in
Note 3 to the consolidated financial statements, the
    
 
                                       33
<PAGE>   41
 
   
markets in which InvestArk operates are dependent upon the agribusiness economic
sector. Additionally, the credit worthiness of a large loan was downgraded
during 1993.
    
 
   
     Net charge-offs on loans were $179,000 in 1993, $175,000 in 1992 and
$929,000 in 1991, respectively. The allowance for loans and lease losses were
$1,494,000 or 1.8% of loans at December 31, 1993, compared to $1,073,000 or 1.2%
at December 31, 1992.
    
 
   
     Non-Interest Income. Total non-interest income for the year ended December
31, 1993 was $1,509,000 as compared to $1,504,000 for 1992 and $1,615,000 in
1991. The large increase in 1992 over 1991 was primarily in the category of
other operating income. Other operating income increased primarily because of
lease rental income derived from leveraged lease transactions entered into
during 1991. Management believes the level of non-interest income prior to 1992
is more representative of the levels to be expected in the future as the
leverage leases terminate in April 1994.
    
 
   
     Non-Interest Expense. Total non-interest expense for the year ended
December 31, 1993 was $6,988,000 as compared to $6,517,000 for 1992 and
$5,890,000 in 1991. The increase for 1993 is primarily in the category of
employee benefits. The increase for 1992 is primarily in the category of other
expense. Other expense increased primarily because of increased annual FDIC
insurance assessments, legal fees and costs attributable to the foreclosure and
subsequent writedowns of other real estate.
    
 
   
     Provision for Income Taxes. Income tax expense for the years ended December
31, 1993, 1992 and 1991 was $148,000, $501,000, and $128,000, respectively.
Effective tax rates were 10%, 18%, and 12% for 1993, 1992, 1991, respectively.
Note 7 to the consolidated financial statements provides further details of the
applicable income tax expense.
    
 
                               REGULATORY ISSUES
 
     Pursuant to the Interest Rate Control Amendment to the Constitution of the
State of Arkansas, "consumer loans and credit sales" have a maximum limitation
of 17% per annum and all "general loans" have a maximum limitation of 5% over
the Federal Reserve Discount Rate in effect at the time the loans are made. The
Arkansas Supreme Court has determined that "consumer loans and credit sales" are
"general loans" and are subject to the limitation of 5% over the Federal Reserve
Discount Rate as well as a maximum limitation of 17% per annum. As a general
rule, InvestArk is required to comply with the Arkansas usury laws on loans made
within the State of Arkansas.
 
                              ACCOUNTING STANDARDS
 
     During 1993 the Financial Accounting Standards Board (FASB) issued SFAS No.
114 (Accounting by Creditors for Impairment of a Loan) which becomes effective
beginning in 1995. This statement defines the measurement requirements for loans
that are impaired or deemed to be troubled debt restructurings. Management has
not determined the effect that this statement will have upon adoption.
 
     Also during 1993 the FASB issued SFAS No. 115 "Accounting for Certain
Investments in Debt and Equity Securities," which InvestArk will adopt on
January 1, 1994. This statement addresses the accounting and reporting for
investments in debt and certain equity securities. Debt securities not
classified as trading account securities or investment securities expected to be
held to maturity and all equity securities will be classified as
available-for-sale securities and reported at fair value, with net unrealized
gains and losses reported, net of tax, as a separate component of stockholders'
equity. InvestArk believes the impact of adopting this statement will not be
material to its financial position or results of operations as it expects to
hold its investment securities to maturity.
 
                                       34
<PAGE>   42
 
   
                           INVESTARK BANKSHARES, INC.
    
 
   
                            STATISTICAL DISCLOSURES
    
   
TABLE 1 -- COMPARATIVE AVERAGE BALANCES -- YIELDS AND RATES ($ IN THOUSANDS)
    
 
   
     The Average Assets and Liabilities table below shows the average balances
of the assets and liabilities of the corporation, the interest income or expense
associated with those assets and liabilities, and the computed yield or rate
based upon the interest income or expense for each of the last three years.
    
 
   
<TABLE>
<CAPTION>
                                            1993                              1992                              1991
                               ------------------------------    ------------------------------    ------------------------------
                               AVERAGE     REVENUE/    YIELD/    AVERAGE     REVENUE/    YIELD/    AVERAGE     REVENUE/    YIELD/
                               BALANCE     EXPENSE      RATE     BALANCE     EXPENSE      RATE     BALANCE     EXPENSE      RATE
                               --------    --------    ------    --------    --------    ------    --------    --------    ------
<S>                            <C>         <C>         <C>       <C>         <C>         <C>       <C>         <C>         <C>
ASSETS
  Interest-earning assets:
    Federal funds sold and
      securities purchased
      under resell
      agreements..............      718         21     2.92%        1,531         66      4.31%       1,713        150      8.76%
    Investment securities:
      U.S. Treasury and U.S.
        Agencies.............. $ 50,867    $ 2,969     5.84%     $ 45,492    $ 3,059      6.72%    $ 36,018    $ 2,814      7.81%
      Obligations of states
        and political
        subdivisions..........   20,759      1,993     9.60%       17,020      1,833     10.77%      15,550      1,581     10.17%
      Other securities........   26,546      1,554     5.85%       28,407      1,867      6.57%      33,828      2,634      7.79%
    Loans -- net of unearned
      income..................   82,110      6,577     8.01%       86,718      7,874      9.08%      89,164      9,241     10.36%
                               --------    --------    ------    --------    --------    ------    --------    --------    ------
  Total interest-earning
    assets....................  180,999     13,114     7.25%      179,168     14,699      8.20%     176,272     16,420      9.32%
  Cash and due from banks.....    4,990                             5,467                             5,368
  Other assets................    6,528                             9,236                            10,113
  Allowance for loan losses...   (1,078)                           (1,078)                           (1,134)
                               --------                          --------                          --------
          Total Assets........ $191,439                          $192,793                          $190,619
                               --------                          --------                          --------
                               --------                          --------                          --------
LIABILITIES AND STOCKHOLDERS' EQUITY
  Interest-bearing
     liabilities:
    Interest-bearing demand
      deposits................ $ 38,211    $ 1,072     2.81%     $ 32,844    $ 1,110      3.38%    $ 29,110    $ 1,427      4.90%
    Savings deposits..........   26,663        803     3.01%       21,804        741      3.40%      16,319        718      4.40%
    Time deposits.............   76,242      3,047     4.00%       85,628      4,300      5.02%      93,867      6,520      6.95%
    Federal funds purchased
      and securities sold
      under repurchase
      agreements..............    3,814        123     3.22%        5,556        218      3.92%       6,944        517      7.45%
                               --------    --------    ------    --------    --------    ------    --------    --------    ------
  Total interest-bearing
    liabilities...............  144,930      5,045     3.48%      145,833      6,369      4.37%     146,240      9,182      6.28%
                                           --------                          --------                          --------
  Noninterest-bearing demand
    deposits..................   27,972                            30,161                            28,203
  Accrued expenses and other
    liabilities...............    1,756                             1,164                             1,756
  Stockholders' equity........   16,781                            15,635                            14,420
                               --------                          --------                          --------
          Total liabilities
            and stockholders'
            equity............ $191,439                          $192,793                          $190,619
                               --------                          --------                          --------
                               --------                          --------                          --------
NET INTEREST MARGIN...........             $ 8,069                           $ 8,330                           $ 7,238
    Less tax equivalent
      adjustments:
      Investments.............                 559                               511                               461
                                           --------                          --------                          --------
          Net interest margin
            per annual
            report............             $ 7,510                           $ 7,819                           $ 6,777
                                           --------                          --------                          --------
                                           --------                          --------                          --------
</TABLE>
    
 
   
     Non-accruing loans have been included in the average loan balances and
interest collected prior to these loans having been placed on non-accrual has
been included in interest income. Interest income and average yield on
tax-exempt assets have been calculated on a fully tax equivalent basis using a
34% tax rate for the years 1993, 1992 and 1991.
    
 
                                       35
<PAGE>   43
 
   
                           INVESTARK BANKSHARES, INC.
    
 
   
                     STATISTICAL DISCLOSURES -- (CONTINUED)
    
 
   
TABLE 2 -- VOLUME AND YIELD/RATE VARIANCE ANALYSIS
    
 
   
     The Volume and Yield/Rate variance table shows the change from year to year
for each component of the tax equivalent net interest margin separated into the
amount generated by volume changes and the amount generated by changes in the
yield or rate (Tax Equivalent Basis -- $ in Thousands):
    
 
   
<TABLE>
<CAPTION>
                                                    1993 COMPARED TO 1992            1992 COMPARED TO 1991
                                                        CHANGE DUE TO:                   CHANGE DUE TO:
                                                 ----------------------------     ----------------------------
                                                            YIELD/                           YIELD/
                                                 VOLUME      RATE       NET       VOLUME      RATE       NET
                                                 ------     ------     ------     ------     ------     ------
<S>                                              <C>        <C>        <C>        <C>        <C>        <C>
REVENUE EARNED ON:
  Federal funds sold and securities purchased
     under resell agreements...................    (35)        (10)       (45)      (16)        (68)       (84)
  Investment securities:
     U.S. Treasury and U.S. Agencies...........    361        (451)       (90)      741        (496)       245
     Obligations of states and political
       subdivisions............................    403        (243)       160       150         102        252
     Other securities..........................   (122)       (191)      (313)     (422)       (345)      (767)
  Loans -- net of unearned income..............   (418)       (879)    (1,297)     (255)     (1,112)    (1,367)
                                                 ------     ------     ------     ------     ------     ------
Total interest-earning assets..................    189      (1,774)    (1,585)      198      (1,919)    (1,721)
INTEREST PAID ON:
  Interest-bearing demand deposits.............    181        (219)       (38)      183        (500)      (317)
  Savings deposits.............................    166        (104)        62       241        (218)        23
  Time deposits................................   (473)       (780)    (1,253)     (570)     (1,650)    (2,220)
  Federal funds purchased and securities sold
     under repurchase agreements...............    (68)        (27)       (95)     (103)       (196)      (299)
                                                 ------     ------     ------     ------     ------     ------
Total interest-bearing liabilities.............   (194)     (1,130)    (1,324)     (249)     (2,564)    (2,813)
                                                 ------     ------     ------     ------     ------     ------
Change in net interest income on a tax
  equivalent
  basis........................................    383        (644)      (261)      447         645      1,092
                                                 ------     ------     ------     ------     ------     ------
                                                 ------     ------     ------     ------     ------     ------
</TABLE>
    
 
   
     The change in interest due to both volume and yield/rate has been allocated
to change due to volume and change due to yield/rate in proportion to the
absolute value of the change of each. Tax exempt income has been adjusted to a
tax equivalent basis using a tax rate of 34% for the years 1993, 1992 and 1991.
The balances of non-accrual loans and related income recognized have been
included for purposes of these computations.
    
 
                                       36
<PAGE>   44
 
   
                           INVESTARK BANKSHARES, INC.
    
 
   
                     STATISTICAL DISCLOSURES -- (CONTINUED)
    
 
   
TABLE 3 -- INVESTMENT PORTFOLIO
    
 
   
     The table below indicates book values of investment securities by type at
year-end for each of the last three years (in thousands):
    
 
   
<TABLE>
<CAPTION>
                                                                               DECEMBER 31,
                                                                      -------------------------------
                                                                       1993        1992        1991
                                                                      -------     -------     -------
    <S>                                                               <C>         <C>         <C>
    U.S. Treasury and U.S. Government agencies......................  $51,380     $46,466     $40,012
    Obligations of states and political subdivisions................   24,700      18,701      15,901
    Other securities................................................    8,399      13,839      16,252
                                                                      -------     -------     -------
              Total Debt Securities.................................   84,479      79,006      72,165
    Equity Securities...............................................    3,385       3,455          66
                                                                      -------     -------     -------
              Total Investment Securities...........................  $87,864     $82,461     $72,231
                                                                      -------     -------     -------
                                                                      -------     -------     -------
</TABLE>
    
 
   
TABLE 4 -- MATURITY DISTRIBUTION AND YIELDS OF INVESTMENT PORTFOLIO
    
 
   
     The following table details the maturities of investment securities at
December 31, 1993 and the weighted average yield for each range of maturities
(Tax Equivalent Basis -- in thousands):
    
 
   
<TABLE>
<CAPTION>
                                                                                 MATURING
                                          ---------------------------------------------------------------------------------------
                                                             AFTER ONE            AFTER FIVE            AFTER
                                           WITHIN            BUT WITHIN           BUT WITHIN             TEN
                                          ONE YEAR   YIELD   FIVE YEARS   YIELD   TEN YEARS    YIELD    YEARS    YIELD     TOTAL
                                          --------   -----   ----------   -----   ----------   -----    ------   -----    -------
<S>                                       <C>        <C>     <C>          <C>     <C>          <C>      <C>      <C>      <C>
U.S. Treasury and U.S. Government
  Agencies................................ $11,960   7.01%    $ 34,783    5.85%    $  2,406    9.35%    $2,231    7.58%   $51,380
Obligations of states and political
  subdivisions............................   1,379   7.25%      13,567    8.02%       7,287    8.47%     2,467   10.26%    24,700
Other securities..........................   1,914   8.78%       4,205    8.49%       1,750    8.91%       530    8.89%     8,399
                                          --------           ----------           ----------            ------            -------
        Total debt securities............. $15,253   7.25%    $ 52,555    6.62%    $ 11,443    8.72%    $5,228    8.97%   $84,479
                                          --------           ----------           ----------            ------
                                          --------           ----------           ----------            ------
Equity securities.........................                                                                                  3,385
                                                                                                                          -------
        Total investment securities.......                                                                                $87,864
                                                                                                                          -------
                                                                                                                          -------
</TABLE>
    
 
   
     Included in the above maturity schedule are mortgage related securities
totaling $10,075,000 which have contractual maturities as follows: Within One
Year -- $3,369,000; After One But Within Five Years -- $2,863,000; After Five
But Within Ten Years -- $1,772,000; After Ten Years -- $2,071,000. Due to the
nature of mortgage related securities, the actual maturities of these
investments can be substantially shorter than their contractual maturity.
Management believes the actual weighted average maturity of the entire mortgage
related portfolio to be approximately 7.35 years.
    
 
   
     At December 31, 1993 there were no securities in the portfolio of any one
issuer with a carrying value exceeding ten percent of total stockholders'
equity.
    
 
   
TABLE 5 -- COMPOSITION OF THE LOAN PORTFOLIO
    
 
   
<TABLE>
<CAPTION>
                                                               1993      1992      1991      1990      1989
                                                              ------    ------    ------    ------    ------
<S>                                                           <C>       <C>       <C>       <C>       <C>
Commercial, Financial and Agricultural....................... 35,232    39,112    39,654    44,274    38,252
Real Estate.................................................. 37,956    35,493    36,808    33,097    31,952
Consumer Loans............................................... 11,290    12,373    11,051    10,470    10,994
Loans for Purchasing or Carrying Securities..................      0         0         0         0        17
Financing Leases.............................................     18         0         0         0         0
                                                              ------    ------    ------    ------    ------
          Total Loans........................................ 84,496    86,978    87,513    87,841    81,215
                                                              ------    ------    ------    ------    ------
                                                              ------    ------    ------    ------    ------
</TABLE>
    
 
   
     Construction loans outstanding at December 31, 1993 are not material in
amount. However, to the extent loans are made to finance construction, those
amounts are included in the table above as Real Estate Loans.
    
 
                                       37
<PAGE>   45
 
   
                           INVESTARK BANKSHARES, INC.
    
 
   
                     STATISTICAL DISCLOSURES -- (CONTINUED)
    
 
   
TABLE 6 -- LOAN MATURITIES AND SENSITIVITY TO CHANGES IN INTEREST RATES
    
 
   
<TABLE>
<CAPTION>
                                                       WITHIN ONE      ONE YEAR      AFTER
                                                        YEAR OR        THROUGH       FIVE
                                                          LESS        FIVE YEARS     YEARS     TOTAL
                                                       ----------     ----------     -----     ------
<S>                                                    <C>            <C>            <C>       <C>
Commercial, Financial and Agricultural................   27,885          7,285         62      35,232
Real Estate (Excluding loans secured by 1-4 family
  residential properties).............................    9,626         12,954          0      22,580
                                                       ----------     ----------     -----     ------
                                                         37,511         20,239         62      57,812
                                                       ----------     ----------     -----     ------
                                                       ----------     ----------     -----     ------
</TABLE>
    
 
   
<TABLE>
<CAPTION>
                                                                              MATURING:
                                                                   -------------------------------
                                                                    ONE YEAR      AFTER
                                                                    THROUGH       FIVE
                                                                   FIVE YEARS     YEARS     TOTAL
                                                                   ----------     -----     ------
<S>                                                                <C>            <C>       <C>
Above loans due after one year which have:
  Predetermined interest rates....................................   17,310         62      17,372
  Floating interest rates.........................................    2,929          0       2,929
                                                                   ----------     -----     ------
                                                                     20,239         62      20,301
                                                                   ----------     -----     ------
                                                                   ----------     -----     ------
</TABLE>
    
 
   
TABLE 7 -- NON-PERFORMING ASSETS AND PAST DUE LOANS
    
 
   
     The table below shows InvestArk's non-performing assets and past due loans
at the end of each of the last five years (in thousands):
    
 
   
<TABLE>
<CAPTION>
                                                                    DECEMBER 31,
                                                  ------------------------------------------------
                                                  1993      1992       1991       1990       1989
                                                  -----    ------     ------     ------     ------
<S>                                               <C>      <C>        <C>        <C>        <C>
Loans accounted for on a non-accrual basis......  $ 474    $  446     $  764     $1,570     $  831
Restructured loans..............................      0         0          0        231        231
                                                  -----    ------     ------     ------     ------
  Non-performing loans..........................    474       446        764      1,801      1,062
Other Real Estate Owned.........................    143     1,242      2,753        890      1,190
                                                  -----    ------     ------     ------     ------
  Non-performing assets.........................    617     1,688      3,517      2,691      2,252
Accruing loans past due 90 days or more.........     31       100        993      1,969      1,017
                                                  -----    ------     ------     ------     ------
  Total non-performing assets and past due
     loans......................................  $ 648    $1,788     $4,510     $4,660     $3,269
                                                  -----    ------     ------     ------     ------
                                                  -----    ------     ------     ------     ------
</TABLE>
    
 
   
     If interest on non-accrual loans had been accrued, such income would have
approximated $39,000 in 1993. The interest which was included in earnings for
1993 for non-accrual loans is immaterial.
    
 
   
     At December 31, 1993, InvestArk had no loan concentrations greater than ten
percent of total loans except as shown in Table 5.
    
 
   
     InvestArk does not accrue interest on any loan for which payment of
interest or principal is not expected, on any loan which is seriously delinquent
unless the obligation is both well secured and in the process of collection, or
on any loan that is maintained on a cash basis due to deterioration in the
financial condition of the borrower. Management considers a debt to be "well
secured" if it is secured by collateral in the form of liens on or pledges of
real or personal property that have a realizable value sufficient to discharge
the debt in full or by the guaranty of a financially responsible party. A debt
is considered to be "in process of collection" if, based on a probable specific
event, it is expected that the loan will be repaid or brought current. At
December 31, 1993, InvestArk has no loans about which Management has serious
doubts as to their collectibility other than those disclosed above.
    
 
                                       38
<PAGE>   46
 
   
                           INVESTARK BANKSHARES, INC.
    
 
   
                     STATISTICAL DISCLOSURES -- (CONTINUED)
    
 
   
TABLE 8 -- ANALYSIS OF THE ALLOWANCE FOR LOAN LOSSES
    
 
   
     The table below summarizes InvestArk's loan loss experience for each of the
last five years (in thousands):
    
 
   
<TABLE>
<CAPTION>
                                                                       YEAR ENDED DECEMBER 31,
                                                          -------------------------------------------------
                                                           1993       1992       1991      1990       1989
                                                          ------     ------     ------     -----     ------
<S>                                                       <C>        <C>        <C>        <C>       <C>
Amount of loan loss reserve at beginning of period....... $1,073     $1,184     $  978     $ 922     $1,004
Loans charged off:
  Real estate loans......................................    (35)       (52)       (93)      (13)       (35)
  Commercial, Financial and Agricultural.................   (180)      (219)      (831)     (713)      (551)
  Consumer...............................................    (40)       (80)       (58)      (22)       (44)
                                                          ------     ------     ------     -----     ------
          Total charge-offs..............................   (255)      (351)      (982)     (748)      (630)
Recoveries on loans previously charged off:
  Real estate loans......................................     16          2          2        12         19
  Commercial, Financial and Agricultural.................     24        157         27         4          9
  Consumer...............................................     36         17         24        28         33
                                                          ------     ------     ------     -----     ------
          Total recoveries...............................     76        176         53        44         61
Net charge-offs..........................................   (179)      (175)      (929)     (704)      (569)
Additions to allowance charged to operating expense......    600         64      1,135       760        487
                                                          ------     ------     ------     -----     ------
Amount of loan loss reserve at end of period............. $1,494     $1,073     $1,184     $ 978     $  922
                                                          ------     ------     ------     -----     ------
                                                          ------     ------     ------     -----     ------
Percentage of net charge-offs during period to average
  loans outstanding during the period....................  0.22%      0.20%      1.04%     0.83%      0.71%
                                                          ------     ------     ------     -----     ------
                                                          ------     ------     ------     -----     ------
</TABLE>
    
 
   
TABLE 9 -- ALLOCATION OF THE ALLOWANCE FOR LOAN LOSSES
    
 
   
     The following table is a summary by allocation category of InvestArk's
allowance for loan losses (in thousands):
    
 
   
<TABLE>
<CAPTION>
                                                                  DECEMBER 31,
               ------------------------------------------------------------------------------------------------------------------
                         % LOANS                 % LOANS                 % LOANS                 % LOANS                 % LOANS
                         IN EACH                 IN EACH                 IN EACH                 IN EACH                 IN EACH
                1993     CATEGORY      1992      CATEGORY      1991      CATEGORY      1990      CATEGORY      1989      CATEGORY
               ------    --------    --------    --------    --------    --------    --------    --------    --------    --------
<S>            <C>       <C>         <C>         <C>         <C>         <C>         <C>         <C>         <C>         <C>
Commercial,
  Financial
  and
  Agricultural... $  943    42%       $   754       45%       $   825       45%        $  716       50%        $  662       47%
Real Estate...    378       45%           225       41%           200       42%           171       38%           167       39%
Consumer......     85       13%            89       13%            86       13%            63       12%            78       14%
Unallocated...     88                       5                      71                      28                      15
               ------                --------                --------                --------                --------
               $1,494                 $ 1,073                 $ 1,182                  $  978                  $  922
               ------                --------                --------                --------                --------
               ------                --------                --------                --------                --------
</TABLE>
    
 
   
TABLE 10 -- TIME DEPOSITS OF $100,000 OR MORE
    
 
   
     The table below shows maturities on outstanding time deposits of $100,000
or more at December 31, 1993 (in thousands):
    
 
   
<TABLE>
<CAPTION>
                                                                                      CERTIFICATES
                                                                                       OF DEPOSIT
                                                                                      ------------
        <S>                                                                           <C>
        3 months or less.............................................................   $  9,734
        Over 3 months through 6 months...............................................      5,715
        Over 6 months through 12 months..............................................      4,758
        Over 12 months...............................................................      1,303
                                                                                      ------------
                                                                                        $ 21,510
                                                                                      ------------
                                                                                      ------------
</TABLE>
    
 
                                       39
<PAGE>   47
 
DIRECTORS AND EXECUTIVE OFFICERS
 
     The Board of Directors of InvestArk will be dissolved and positions held by
executive officers of InvestArk will no longer exist upon the consummation of
the Merger. Executive officers of the InvestArk subsidiaries are expected to
remain in the respective positions with North Arkansas and First Bank. At this
time none of the directors or executive officers of InvestArk are expected to be
on the Board of Directors or an executive officer of First United after
consummation of the Merger. The directors of InvestArk and its subsidiaries are
set forth below:
 
                  DIRECTORS OF INVESTARK AND ITS SUBSIDIARIES
 
   
<TABLE>
<CAPTION>
                                                                                    SHARES OF INVESTARK
                                                                                    COMMON STOCK OWNED
                                                                                    BENEFICIALLY AS OF
                                                                                     DECEMBER 31, 1993
                               DIRECTOR          (1)PRINCIPAL OCCUPATION           AND       PERCENT OF
       NAME            AGE      SINCE                AND DIRECTORSHIP              CLASS IF MORE THAN 1%
- -------------------    ---     --------    ------------------------------------    ---------------------
<S>                    <C>     <C>         <C>                                     <C>
Wesley Arnold          58        1988      Self-employed Grocer, Director of                 100
                                           North Arkansas

Harry C. Erwin         56        1984      Chairman & Chief Executive Officer              4,315(2.00%)
                                           of InvestArk; Chairman & Chief
                                           Executive Officer of First Bank;
                                           Director of North Arkansas

L. Clyde Carter        84        1984      Retired, Director of InvestArk;                 5,116(2.37%)
                                           Director of First Bank

Harlin Hames           56        1985      Retired 1985; Director of North                   225
                                           Arkansas

Tommy Hillman          57        1979      President, Winrock Farms, Inc.                  1,715
                                           Director of InvestArk; Director of
                                           First Bank; Director of North
                                           Arkansas

Jerry J. Hoskyn        51        1991      Self-employed Farmer; Director of                 100
                                           InvestArk; Director of First Bank

Harold Ives            64        1985      President, Terminal Truck Brokers,                996
                                           Inc. Director of InvestArk; Director
                                           of First Bank

Steven M. Keith        38        1992      President, KBX, Inc. -- Grain                     100
                                           Brokerage Director of InvestArk;
                                           Director of First Bank

Cole Martin            52        1992      Director of InvestArk; Director of                100
                                           First Bank; President of First Bank;
                                           Chairman of North Arkansas

James E. Miller        58        1988      Owner of G.H. Miller & Sons;                      150
                                           Director of North Arkansas

John E. Stephens       45        1988      Self-Employed Farmer; Director of                 700
                                           InvestArk, Director of First Bank;
                                           Director of North Arkansas;
                                           Secretary of InvestArk
</TABLE>
    
 
- ---------------
 
(1)  This column represents the year in which the directorship commenced. If a
     person serves as director for both InvestArk and one or both of its
     subsidiaries, the year disclosed reflects the date the directorship in
     InvestArk commenced.
 
                                       40
<PAGE>   48
 
              EXECUTIVE OFFICERS OF INVESTARK AND ITS SUBSIDIARIES
 
     In addition to Messrs. Harry C. Erwin, Cole Martin, and John E. Stephens,
the executive officers of InvestArk and its subsidiaries are:
 
<TABLE>
<CAPTION>
                                                                                          SHARES OF
                                                                                       INVESTARK COMMON
                                                                                         STOCK OWNED
                                                                                       BENEFICIALLY AS
                                EXECUTIVE                                                     OF
                                 OFFICER                                                 DECEMBER 31,
        NAME            AGE       SINCE                     POSITION                         1993
- --------------------    ---     ---------     -------------------------------------    ----------------
<S>                     <C>     <C>           <C>                                      <C>
Robert M. Koch          48         1989       Senior Vice President of First Bank              0
Lloyd T. Jones, Sr.     52         1986       President and Chief Executive Officer           25
                                              of North Arkansas; Director of North
                                              Arkansas
</TABLE>
 
     During 1993, the Board of Directors of InvestArk held 16 meetings and all
the incumbent directors then in office were in attendance at more than
seventy-five percent of the meetings. The Board of Directors does not have a
nominating, compensation or audit committee.
 
TRANSACTIONS WITH MANAGEMENT
 
   
     Directors and executive officers of InvestArk and its subsidiaries, their
associates and members of their immediate families were customers of and had
transactions including loans and commitments to lend with subsidiaries of
InvestArk in the ordinary course of business during 1993. All such loans and
commitments were made by the subsidiaries on substantially the same terms,
including interest rates and collateral, as those prevailing at the time for
comparable transactions with other persons and did not involve more than normal
risk of collectibility or present other unfavorable features. Similar
transactions may be expected to take place in the ordinary course of business in
the future. On December 31, 1993, the aggregate of these related party loans was
approximately $2,212,000 or approximately 2.6% of total loans outstanding of the
subsidiaries and 2.0% of pro forma combined capital accounts.
    
 
PRINCIPAL STOCKHOLDERS OF INVESTARK
 
     The following table sets forth, as of December 31, 1993, the only persons
who were known by InvestArk to own of record or beneficially more than five (5%)
of InvestArk Common Stock and the number of shares owned beneficially by each of
them.
 
   
<TABLE>
<CAPTION>
                      NAME AND ADDRESS                        SHARES DIRECTLY OWNED    PERCENT OF CLASS
- ------------------------------------------------------------  ---------------------    ----------------
<S>                                                           <C>                      <C>
W. R. Stephens, Jr. Trust...................................          45,200                 20.92%
Vernon J. Giss, Trustee
Ernest Butler, Jr., Trustee

W. R. Stephens Trust........................................          34,158                 15.81%
Jackson T. Stephens, Trustee
Vernon J. Giss, Trustee
Bess C. Stephens, Trustee

Jackson T. Stephens.........................................          48,358                 22.39%
</TABLE>
    
 
     Various other Stephens family members and affiliated entities listed on the
chart below own in the aggregate an additional 15,133 shares or 7.00% of the
outstanding shares of InvestArk Common Stock.
 
     All directors and executive officers of InvestArk and its subsidiaries as a
group (12 persons) as of December 31, 1993 owned 13,642 shares or 6.30% of the
outstanding shares of InvestArk Common Stock. No director or executive officer
of InvestArk owns any shares of First United Common Stock. Neither First United
nor any of its subsidiaries nor any director or executive officer of First
United owns any shares of InvestArk Common Stock.
 
                                       41
<PAGE>   49
 
FEDERAL RESERVE BOARD INVESTIGATIONS
 
     On March 4, 1993, the Board of Governors of the Federal Reserve System (the
"Board") ordered its staff to commence a formal investigation to review the
ownership and control of Worthen Banking Corporation of Little Rock, Arkansas
("Worthen") for compliance with the control provisions of the Bank Holding
Company Act and the Change in Bank Control Act. This investigation appears to be
focused primarily on whether members of the families of Jackson T. Stephens and
Wilton R. Stephens (deceased) and affiliated entities (collectively, the
Stephens Family), who currently own 26% of Worthen's outstanding common stock,
have exerted control over Worthen in violation of the above-referenced statutes.
First United has been advised by the Stephens Family that the investigation is
continuing, but the Board has not announced any finding or determination that
any violation of law has or has not occurred. The events and transactions which
are the subject of the Worthen investigation do not in any way relate to or
involve InvestArk or First United.
 
     In addition, in February 1993, InvestArk management was advised by the
Federal Reserve Bank of St. Louis (the "St. Louis FED") that the agency had
initiated a review of certain transactions between InvestArk's bank subsidiaries
and Stephens Inc., a registered broker-dealer owned by the Stephens Family.
These transactions involved the purchase and sale of municipal and other
securities; and the purpose of the review, which is still ongoing, is to
determine whether the transactions violated the prohibitions of Sections 23A and
23B of the Federal Reserve Act, which in general place restrictions on
transactions between federally insured banks and their affiliates. The St. Louis
FED has not announced any results of its review. However, First United's
obligation to consummate the Merger is conditioned upon the St. Louis FED not
having notified either of the parties of actual or proposed regulatory action
with respect to the investigation that could reasonably be expected to have an
adverse effect on First United, InvestArk or InvestArk's bank subsidiaries.
InvestArk management has reviewed the transactions under review by the St. Louis
FED and determined that InvestArk's bank subsidiaries have benefitted from
significant appreciation of the securities purchased taken as a whole. InvestArk
and its subsidiary banks have established new policies and procedures to ensure
compliance with Sections 23A and 23B of the Federal Reserve Act with respect to
any future affiliate transactions. InvestArk management has no reason to believe
that the St. Louis FED will take any action with respect to the transactions
under review which would have a material adverse effect on First United,
InvestArk or InvestArk's bank subsidiaries.
 
RESULTING OWNERSHIP IN FIRST UNITED
 
   
     The W. R. Stephens Trust beneficially owns 207,884 shares of First United
Common Stock which equals 4.86% of the issued and outstanding shares of First
United. The W.R. Stephens Jr. Trust beneficially owns 2,100 shares of First
United Common Stock which equals .04% of the issued and outstanding shares of
First United. The additional shares of First United Common Stock to be received
by these and other Stephens Family members in the Merger will increase the total
number of shares beneficially owned by the Stephens Family to a maximum of
862,140, or 16.40% of the outstanding shares of First United Common Stock.
Accordingly, the Stephens Family would be required to file a Notice of Change in
Bank Control and receive approval of the Board in order to own and vote these
shares directly. Because of the existence of the Worthen investigation, and in
lieu of making such a filing at this time, the Stephens family has agreed to
place all of the shares of First United Common Stock its members and affiliates
will receive in the Merger in trust with an independent trustee. The
beneficiaries of the Stephens Trust and the number of shares deposited therein
by each of them are set forth in the following table. The agreement governing
the Stephens Trust provides that the Trustee shall have sole authority to vote
the shares deposited by the beneficiaries, and shall vote them in proportion to
the percentage of shares of First United Common Stock voted for or against any
proposal brought before the stockholders of First United. However, any
abstention of First United Common Stock will not be counted in computing the
above described percentage. (The 209,984 shares of Common Stock of First United
beneficially owned by the W.R. Stephens Trust and the W.R. Stephens Jr. Trust
will continue to be owned and voted directly by their respective trustees). The
beneficiaries of the Stephens Trust will retain dispositive power over the
shares of First United Common stock deposited therein; provided that they have
agreed not to sell 5% or more of the outstanding shares of First United Common
Stock to a purchaser or group of purchasers without the prior written approval
of the Board unless the sale is transacted in connection with
    
 
                                       42
<PAGE>   50
 
   
an acquisition of First United approved by its Board of Directors. The Stephens
Trust will terminate when, and if, the Stephens Family ceases to own 10% or more
of the shares of First United's outstanding Common Stock or the Board grants the
Stephens Family permission to own and vote the shares held therein directly.
Based upon the maximum of 985,849 shares to be issued to the stockholders of
InvestArk, the Stephens Trust will own of record 12.41% of the outstanding
shares of First United Common Stock as reflected by the table below.
    
 
                                STEPHENS FAMILY
                          FIRST UNITED STOCK OWNERSHIP
 
   
<TABLE>
<CAPTION>
                                           FIRST UNITED     FIRST UNITED   FIRST UNITED      %          %          %
                                              SHARES        SHARES TO BE   SHARES OWNED    SHARES     SHARES     TOTAL
                STEPHENS                    CURRENTLY       ACQUIRED IN     AFTER THE     DIRECTLY   OWNED IN    SHARES
              SHAREHOLDERS                    OWNED          MERGER(1)        MERGER      OWNED(2)   TRUST(2)   OWNED(2)
- -----------------------------------------  ------------     ------------   ------------   --------   --------   --------
<S>                                        <C>              <C>            <C>            <C>        <C>        <C>
W. R. Stephens Trust.....................     207,884(3)       155,981        363,865       3.95%      2.97%      6.92%
Bess C. Stephens,
Jackson T. Stephens and
Vernon J. Giss, Trustee
Jackson T. Stephens......................           0          220,731        220,731          --      4.20%      4.20%
W. R. Stephens, Jr. Trust................       2,100(3)       206,338        208,438        .04%      3.92%      3.96%
Vernon J. Giss and
Ernest Butler, Jr., Trustees
W. R. Stephens, Jr. .....................           0            1,971          1,971          --       .04%       .04%
Revocable Trust
W. R. Stephens, Jr., Trustee
Elizabeth Ann Stephens...................           0           45,743         45,743          --       .87%       .87%
Campbell Trust
Vernon J. Giss and
Ernest Butler, Jr., Trustees
Warren A. Stephens.......................           0           15,872         15,872          --       .30%       .30%
Stephens Group, Inc. ....................           0            5,520          5,520          --       .10%       .10%
                                           ------------     ------------   ------------   --------   --------   --------
    Total................................     209,984          652,156        862,140       3.99%     12.41%     16.40%
</TABLE>
    
 
- ---------------
 
(1) Computed based on the maximum number of First United shares (985,849) to be
    issued to InvestArk stockholders in connection with the merger, taking into
    account cash payments for fractional shares.
 
(2) Computed based on 5,258,125 shares (4,272,276 shares currently outstanding
    plus the maximum number of shares to be issued in the merger.)
 
(3) These shares will not be deposited in the Stephens Trust.
 
REGISTRATION RIGHTS
 
     Pursuant to the Shareholders Agreement dated December 17, 1993 by and
between W. R. Stephens, The W. R. Stephens, Jr. Trust, The W. R. Stephens Trust,
Jackson T. Stephens, Warren A. Stephens and The Elizabeth Ann Stephens Trust
(the "Shareholders") and First United, the Shareholders, on or after the
effective date of the Merger, shall have three different types of registration
rights.
 
     Demand Rights on Form Other Than S-3. The Shareholders have the right to
make two requests of First United to register under the Securities Act, in each
case, at least Five Million ($5,000,000) in market value of First United Common
Stock beneficially owned by the Shareholders. First United has agreed to use its
best reasonable efforts to register the shares as soon as practicable if a
request is made. However, First United will be entitled to postpone for a
reasonable period of time the registering of the Common Stock, if, in good
faith, the board of directors of First United determines it is advisable because
registering the Common Stock at such time would be materially detrimental to
First United. If the filing is delayed by 90 days First United shall obtain the
written opinion of a nationally recognized banking firm supporting the
determination to postpone the filing. If the Shareholders exercise their right
of demand, they shall pay all out-of-pocket expenses incurred in connection with
the registration of the securities, except for registration on Form S-3 as
discussed below.
 
                                       43
<PAGE>   51
 
     Demand Rights on Form S-3. If a demand for registration is made in
accordance with the immediately preceding paragraph and such registration is
filed on Form S-3, the Shareholders shall pay all underwriting discounts and
commissions applicable to the First United Common Stock held by said
Shareholders, the fees and disbursements of their own counsel and accountants
and all other expenses associated with the offering of the Shareholder's stock.
If First United chooses to issue additional shares of common stock concurrently
with the registration of Shareholder's stock, it shall pay all underwriting
discounts and commissions applicable to the additional stock, the fees and
disbursements of its own counsel and accountants and its pro rata share of all
other expenses of the offering.
 
     Piggy-Back Rights. If at any time First United proposes to register any of
its securities under the Securities Act of 1933, other than securities to be
issued pursuant to a stock option or other employee benefit plan, First United
has agreed to give written notice to the Shareholders of such a registration.
If, within five days after receipt of such notice, the Shareholders submit a
written request to First United, First United shall include the First United
Common Stock held by the Shareholders and specified in the Shareholder's request
in such a registration. Notwithstanding the foregoing, if the offering of the
Shareholder's securities is to be made by or through underwriters, First United
shall not be required to include the shares of First United Common Stock of the
Shareholders if the managing or co-managing underwriters reasonably believe in
good faith that such inclusion would materially and adversely affect such
offering. Under the right of "piggy-back" registration, First United shall pay
all expenses incurred in connection with registration of the securities.
 
COMPETITION
 
     The banking subsidiaries of InvestArk compete actively with national and
state banks, savings and loan associations, securities dealers, mortgage
bankers, finance companies and insurance companies.
 
LITIGATION
 
     There is no material pending litigation in which InvestArk or its
subsidiaries is a party.
 
OFFICES
 
     InvestArk's executive offices are located in the offices of First Stuttgart
Bank and Trust Company, Stuttgart, Arkansas, at 412 South Main Street,
Stuttgart, Arkansas 72021.
 
EMPLOYEES
 
     As of December 31, 1993, InvestArk and its subsidiaries has 108 employees,
32 of whom are located in Melbourne and 76 of whom are located in Stuttgart.
 
DESCRIPTION OF INVESTARK STOCK
 
   
     InvestArk has one class of common stock issued and outstanding. As of
December 31, 1993, InvestArk had 5,000,000 shares of authorized common stock,
$10.00 par value, and 215,960 shares issued and outstanding while 3,162 shares
are held in treasury. Currently, approximately 159 stockholders own shares of
the common stock of InvestArk.
    
 
<TABLE>
<CAPTION>
                                                          DIVIDENDS PAID PER SHARE
                                                          -------------------------
                                                          1991      1992      1993
                                                          -----     -----     -----
            <S>                                           <C>       <C>       <C>
            Common Stock................................  $0.75     $0.85     $1.05
</TABLE>
 
COMPARISON OF RIGHTS OF HOLDERS OF INVESTARK COMMON STOCK AND FIRST UNITED
COMMON STOCK
 
     InvestArk is a corporation organized and existing under the laws of the
State of Arkansas, including the Arkansas Business Corporation Act of 1965.
First United is a corporation organized and existing under the laws of the State
of Arkansas, including the Arkansas Business Corporation Act of 1987. Holders of
InvestArk common stock have the rights, privileges and duties provided by the
1965 Act, while the holders of First
 
                                       44
<PAGE>   52
 
   
United Common Stock have the rights, privileges and duties provided by the 1987
Act. For a detailed discussion of all material differences between the rights of
security holders of InvestArk, and the rights of security holders of First
United, see "Election by InvestArk Stockholders under the 1987 Act -- Result of
Election".
    
 
     Two-thirds of the outstanding shares of InvestArk common stock may
authorize the proposed merger pursuant to the 1965 Act. A simple majority of the
outstanding shares of common stockholders is required to authorize the proposed
merger pursuant to the 1987 Act. However, the Amended and Restated Articles of
Incorporation of First United provides that two-thirds of the outstanding shares
of First United Common Stock must authorize the proposed merger.
 
     The holders of InvestArk common stock and First United Common Stock are
both entitled to cumulative voting for directors. Holders of InvestArk common
stock and First United common stock do not have preemptive rights with respect
to issuance of additional securities.
 
     Both InvestArk and First United have corporate power to indemnify their
officers and directors with respect to certain liabilities. Under the 1987 Act,
the ability to indemnify officers an directors with respect to liabilities
incurred by them in their conduct and good faith of the business of the
corporation is broader than under the 1965 Act. Such power is limited, however,
by applicable federal laws and regulations including federal banking laws and
regulations and the applicable state law.
 
                           LEGAL MATTERS AND EXPERTS
 
LEGAL OPINIONS
 
     The legality of the First United Common Stock to be issued after the Merger
has been consummated by and between First United and InvestArk will be passed
upon for First United by Ivester, Skinner & Camp, P.A., 111 Center Street, Suite
1200, Little Rock, Arkansas 72201. Certain tax matters relating to the Merger
will be passed upon by Shults, Ray & Kurrus, 200 West Capitol Avenue, Suite
1600, Little Rock, Arkansas 72201.
 
EXPERTS
 
   
     The consolidated financial statements of First United Bancshares, Inc. as
of December 31, 1993 and 1992 and for each of the years in the three-year period
ended December 31, 1993 are incorporated by reference in this Proxy Statement
and have been audited by Arthur Andersen & Co., independent public accountants,
as indicated in their reports with respect thereto, and such consolidated
financial statements of First United have been incorporated by reference herein
in reliance upon the authority of said firm as experts in accounting and
auditing.
    
 
   
     The consolidated financial statements of InvestArk Bankshares, Inc. as of
December 31, 1993, 1992 and 1991 have been audited by Martin and Company,
independent auditors, whose report thereon appear elsewhere herein and in the
Registration Statement and have been so included in reliance upon the report of
Martin and Company given upon their authority of said firm as experts in
accounting and auditing.
    
 
GENERAL
 
     As of the date of this Proxy Statement, the board of directors of First
United or InvestArk does not intend to present, and has not been informed that
another person intends to present, any matter for action at either special
meeting of stockholders other than as discussed in this Proxy Statement. If any
other matters properly come before the meeting, it is intended that the holders
of the proxies will act in accordance with their best judgment.
 
                                       45
<PAGE>   53
 
                    INDEX TO INVESTARK FINANCIAL STATEMENTS
 
   
<TABLE>
<S>                                                                                     <C>
Financial Statements -- December 31, 1993, 1992 and 1991
  Report of Independent Auditors......................................................  F-2
  Consolidated Balance Sheets.........................................................  F-3
  Consolidated Statements of Income...................................................  F-4
  Consolidated Statements of Stockholders' Equity.....................................  F-5
  Consolidated Statements of Cash Flows...............................................  F-6
  Notes to Financial Statements.......................................................  F-7
</TABLE>
    
 
                                       F-1
<PAGE>   54
 
                          INDEPENDENT AUDITOR'S REPORT
 
The Board of Directors
Investark Bankshares, Inc.
Stuttgart, Arkansas
 
     We have audited the consolidated balance sheets of Investark Bankshares,
Inc. and subsidiaries at December 31, 1993 and 1992, and the related
consolidated statements of income, stockholders' equity, and cash flows for each
of the years in the three year period ended December 31, 1993. These financial
statements are the responsibility of the Company's management. Our
responsibility is to express an opinion on these financial statements based on
our audits.
 
     We conducted our audits in accordance with generally accepted auditing
standards. Those standards require that we plan and perform the audit to obtain
reasonable assurance about whether the financial statements are free of material
misstatement. An audit includes examining, on a test basis, evidence supporting
the amounts and disclosures in the financial statements. An audit also includes
assessing the accounting principles used and significant estimates made by
management, as well as evaluating the overall financial statement presentation.
We believe that our audits provide a reasonable basis for our opinion.
 
     In our opinion, the financial statements referred to above present fairly,
in all material respects, the consolidated financial position of Investark
Bankshares, Inc. and subsidiaries, at December 31, 1993 and 1992, and the
consolidated results of their operations and their cash flows for each of the
years in the three year period ended December 31, 1993, in conformity with
generally accepted accounting principles.
 
   
Martin & Company
    
Certified Public Accountants
 
January 28, 1994
 
                                       F-2
<PAGE>   55
 
                           INVESTARK BANKSHARES, INC.
 
                          CONSOLIDATED BALANCE SHEETS
                           DECEMBER 31, 1993 AND 1992
 
                                     ASSETS
 
<TABLE>
<CAPTION>
                                                                      1993             1992
                                                                  ------------     ------------
<S>                                                               <C>              <C>
Cash and due from banks.........................................  $  7,214,200     $ 12,938,041
Interest bearing deposits with other Banks......................     1,180,607        1,744,435
Federal funds sold..............................................                        425,000
Investment securities -- at amortized cost (approximate fair
  value of $90,264,913 and $85,407,531 at December 31, 1993 and
  1992, respectively)...........................................    87,863,744       82,461,782
Loans...........................................................    84,524,871       87,025,647
  Less: Unearned interest.......................................       (29,095)         (46,944)
        Allowance for loan losses...............................    (1,493,554)      (1,073,186)
                                                                  ------------     ------------
                                                                    83,002,222       85,905,517
                                                                  ------------     ------------
Premises and equipment, less allowance for depreciation.........     2,721,970        2,956,535
Accrued interest receivable and other assets....................     2,921,623        4,508,206
                                                                  ------------     ------------
                                                                  $184,904,366     $190,939,516
                                                                  ------------     ------------
                                                                  ------------     ------------
                             LIABILITIES AND STOCKHOLDERS' EQUITY
Deposits:
  Demand........................................................  $ 26,951,112     $ 26,677,868
  Savings and interest-bearing demand...........................    63,458,333       62,423,952
  Time deposits.................................................    72,890,494       81,000,303
                                                                  ------------     ------------
                                                                   163,299,939      170,102,123
                                                                  ------------     ------------
Borrowed funds..................................................     3,911,988        4,215,540
Accrued interest payable and other liabilities..................       812,027          745,669
Minority interest in subsidiaries...............................        15,100           56,078
                                                                  ------------     ------------
Total liabilities...............................................   168,039,054      175,119,410
                                                                  ------------     ------------
Commitments and contingencies (Note 11)
Stockholders' equity:
  Common stock, $10 par value; 5,000,000 shares authorized,
     219,122 shares issued, 215,960 and 215,356 shares
     outstanding................................................     2,191,220        2,191,220
  Surplus.......................................................     1,105,133        1,098,929
  Retained earnings.............................................    13,719,965       12,690,099
  Less: Treasury stock, 3,162 and 3,766 shares at cost..........      (129,964)        (157,144)
       Net unrealized loss on marketable equity securities......       (21,042)          (2,998)
                                                                  ------------     ------------
Total stockholders' equity......................................    16,865,312       15,820,106
                                                                  ------------     ------------
                                                                  $184,904,366     $190,939,516
                                                                  ------------     ------------
                                                                  ------------     ------------
</TABLE>
 
   The accompanying notes are an integral part of these financial statements.
 
                                       F-3
<PAGE>   56
 
                           INVESTARK BANKSHARES, INC.
 
                       CONSOLIDATED STATEMENTS OF INCOME
                  YEARS ENDED DECEMBER 31, 1993, 1992 AND 1991
 
<TABLE>
<CAPTION>
                                                             1993         1992         1991
                                                          ----------   ----------   ----------
<S>                                                       <C>          <C>          <C>
Interest income:
  Loans, including fees.................................  $6,577,419   $7,873,808   $9,240,762
  U. S. Government obligations..........................     852,087      864,223      658,113
  Obligations of federal agencies and corporations......   2,116,520    2,194,579    2,156,191
  Obligations of states and political subdivisions......   1,433,853    1,322,492    1,120,763
  Other securities......................................   1,553,915    1,867,193    2,633,943
  Federal funds sold and securities purchased under
     resell agreements..................................      20,930       65,979      150,115
                                                          ----------   ----------   ----------
                                                          12,554,724   14,188,274   15,959,887
                                                          ----------   ----------   ----------
Interest expense:
  Deposits..............................................   4,921,914    6,163,074    8,714,734
  Borrowed funds........................................     123,246      206,159      467,660
                                                          ----------   ----------   ----------
                                                           5,045,160    6,369,233    9,182,394
                                                          ----------   ----------   ----------
Net interest income.....................................   7,509,564    7,819,041    6,777,493
Provision for credit losses.............................     600,000       64,491    1,463,398
                                                          ----------   ----------   ----------
Net interest income after provision for credit losses...   6,909,564    7,754,550    5,314,095
                                                          ----------   ----------   ----------
Noninterest income:
  Trust department fees.................................     515,135      488,510      469,848
  Service charges -- deposits...........................     347,725      380,190      397,121
  Other service charges and fees........................      90,000       67,676       81,570
  Other.................................................     555,787      567,535      666,435
                                                          ----------   ----------   ----------
                                                           1,508,647    1,503,911    1,614,974
                                                          ----------   ----------   ----------
Noninterest expense:
  Salaries..............................................   2,188,969    2,088,131    2,039,672
  Employee benefits.....................................     757,828      453,918      411,830
  Net occupancy.........................................     427,220      422,272      460,821
  Equipment.............................................     453,475      432,458      369,521
  Other.................................................   3,160,034    3,119,775    2,608,291
                                                          ----------   ----------   ----------
                                                           6,987,526    6,516,554    5,890,135
                                                          ----------   ----------   ----------
Income before income taxes and minority interest in net
  earnings of consolidated subsidiaries.................   1,430,685    2,741,907    1,038,934
Provision for income taxes..............................     147,753      500,721      128,271
                                                          ----------   ----------   ----------
Income before minority interest in net earnings of
  consolidated subsidiaries.............................   1,282,932    2,241,186      910,663
Minority interest in net earnings of consolidated
  subsidiaries..........................................       5,106        7,964        4,097
                                                          ----------   ----------   ----------
Net income..............................................  $1,277,826   $2,233,222   $  906,566
                                                          ----------   ----------   ----------
                                                          ----------   ----------   ----------
Net income per share....................................  $     5.93   $    10.33   $     4.19
                                                          ----------   ----------   ----------
                                                          ----------   ----------   ----------
Average number of shares outstanding during the year....     215,450      216,235      216,212
                                                          ----------   ----------   ----------
                                                          ----------   ----------   ----------
</TABLE>
 
   The accompanying notes are an integral part of these financial statements.
 
                                       F-4
<PAGE>   57
 
                           INVESTARK BANKSHARES, INC.
 
                CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY
                  YEARS ENDED DECEMBER 31, 1993, 1992 AND 1991
 
   
<TABLE>
<CAPTION>
                                                                                               ALLOWANCE FOR
                                      COMMON STOCK                                           UNREALIZED LOSSES
                                   -------------------               RETAINED     TREASURY     ON MARKETABLE
                                   SHARES     AMOUNT     SURPLUS     EARNINGS       STOCK    EQUITY SECURITIES     TOTAL
                                   -------  ----------  ----------  -----------   ---------  -----------------  -----------
<S>                                <C>      <C>         <C>         <C>           <C>        <C>                <C>
Balance -- December 31, 1990...... 219,122  $2,191,220  $1,098,929  $ 9,949,919   $(118,624)     $ (19,589)     $13,101,855
  Net income......................                                      906,566                                     906,566
  Cash dividends $.90 per share...                                     (194,566)                                   (194,566)
  Sale of marketable equity
     securities...................                                                                  19,589           19,589
                                   -------  ----------  ----------  -----------   ---------  -----------------  -----------
Balance -- December 31, 1991...... 219,122   2,191,220   1,098,929   10,661,919    (118,624)             0       13,833,444
  Net income......................                                    2,233,222                                   2,233,222
  Cash dividends $.95 per share...                                     (205,042)                                   (205,042)
  Increase in unrealized loss on
     marketable equity
     securities...................                                                                  (2,998)          (2,998)
  Purchase 856 common shares......                                                  (38,520)                        (38,520)
                                   -------  ----------  ----------  -----------   ---------  -----------------  -----------
Balance -- December 31, 1992...... 219,122   2,191,220   1,098,929   12,690,099    (157,144)        (2,998)      15,820,106
  Net income......................                                    1,277,826                                   1,277,826
  Cash dividends
     $1.15 per share..............                                     (247,960)                                   (247,960)
  Increase in unrealized loss of
     marketable equity
     securities...................                                                                 (18,044)         (18,044)
  Sale of 604 common shares.......                           6,204                   27,180                          33,384
                                   -------  ----------  ----------  -----------   ---------  -----------------  -----------
Balance -- December 31, 1993...... 219,122  $2,191,220  $1,105,133  $13,719,965   $(129,964)     $ (21,042)     $16,865,312
                                   -------  ----------  ----------  -----------   ---------  -----------------  -----------
                                   -------  ----------  ----------  -----------   ---------  -----------------  -----------
</TABLE>
    
 
   The accompanying notes are an integral part of these financial statements.
 
                                       F-5
<PAGE>   58
 
                           INVESTARK BANKSHARES, INC.
 
                     CONSOLIDATED STATEMENTS OF CASH FLOWS
                  YEARS ENDED DECEMBER 31, 1993, 1992 AND 1991
 
<TABLE>
<CAPTION>
                                                      1993            1992            1991
                                                   -----------     -----------     -----------
<S>                                                <C>             <C>             <C>
Operating activities:
  Net income...................................... $ 1,277,826     $ 2,233,222     $   906,566
                                                   -----------     -----------     -----------
Adjustments to reconcile net income to net cash
  provided by operating activities:
     Provision for credit losses..................     600,000          64,491       1,463,398
     Depreciation.................................     552,153         529,097         467,406
     Writedown of other real estate and leased
       equipment..................................     205,927         454,170         364,236
     Net amortization (accretion) of investment
       security premiums (discounts)..............      22,144          (3,344)       (135,264)
     Net gain on disposition of investment
       securities.................................     (75,609)        (15,771)       (404,126)
     Deferred income tax benefit..................    (278,044)         (6,315)        (61,466)
     Minority interest in subsidiaries'
       undistributed
       income.....................................       5,106           7,964           4,097
     (Increase) decrease in interest receivable
       and other assets...........................     415,887         687,464      (2,263,412)
     Increase (decrease) in interest payable and
       other liabilities..........................      20,275        (784,344)       (334,609)
                                                   -----------     -----------     -----------
          Total adjustments.......................   1,467,839         933,412        (899,740)
                                                   -----------     -----------     -----------
Net cash provided by operating activities.........   2,745,665       3,166,634           6,826
                                                   -----------     -----------     -----------
Cash flows from investing activities:
  Proceeds from maturities of CD's -- other
     banks........................................   1,060,178         291,342       2,551,737
  Purchase of CD's -- other banks.................    (496,000)
  Proceeds from disposition of investment
     securities...................................  29,638,082      20,440,815      22,433,415
  Purchase of investment securities............... (35,004,973)    (30,646,818)    (19,103,182)
  Net (increase) decrease in loans................   2,303,295         775,175        (908,807)
  Proceeds from sale of equipment and other
     real estate..................................   1,291,285       1,104,105         209,686
  Purchase of premises and equipment..............    (366,061)       (236,121)       (640,334)
                                                   -----------     -----------     -----------
Net cash provided (used) by investing
  activities......................................  (1,574,194)     (8,271,502)      4,542,515
                                                   -----------     -----------     -----------
Cash flows from financing activities:
  Net increase in demand deposits, NOW and savings
     deposits.....................................   1,307,625       6,866,620       2,681,621
  Net increase (decrease) in time deposits........  (8,109,809)     (2,836,351)      3,454,392
  Proceeds of long-term debt......................     860,764
  Repayment of borrowings.........................    (851,034)       (369,699)
  Increase (decrease) in short-term borrowings....    (313,282)     (3,365,602)        116,641
  Payment on capital notes........................                    (300,000)        (30,000)
  Purchase of Treasury Stock......................                     (38,520)
  Proceeds from sale of treasury stock............      33,384
  Cash dividends..................................    (247,960)       (205,042)       (194,566)
                                                   -----------     -----------     -----------
Net cash provided (used) by financing
  activities......................................  (7,320,312)       (248,594)      6,028,088
                                                   -----------     -----------     -----------
Net increase (decrease) in cash and equivalents...  (6,148,841)     (5,353,462)     10,577,429
Cash and cash equivalents at beginning of year....  13,363,041      18,716,503       8,139,074
                                                   -----------     -----------     -----------
Cash and cash equivalents at end of year.......... $ 7,214,200     $13,363,041     $18,716,503
                                                   -----------     -----------     -----------
                                                   -----------     -----------     -----------
</TABLE>
 
   The accompanying notes are an integral part of these financial statements.
 
                                       F-6
<PAGE>   59
 
                           INVESTARK BANKSHARES, INC.
 
                   NOTES TO CONSOLIDATED FINANCIAL STATEMENTS
 
NOTE 1: SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES
 
     The accounting principles and reporting policies followed by Investark
Bankshares, Inc. and its subsidiaries (the "Company") conform with generally
accepted accounting principles and with general practices within the financial
services industry. The following is a description of the more significant of
these policies:
 
  Principles of consolidation
 
     The consolidated financial statements include the accounts of the Company
and its subsidiaries, First Stuttgart Bank and Trust Company (formerly First
National Bank in Stuttgart), Stuttgart, Arkansas (100% owned) and of The Bank of
North Arkansas, Melbourne, Arkansas (99.7% owned). All significant intercompany
balances and transactions have been eliminated.
 
  Cash flows
 
     For purposes of reporting cash flows, cash and cash equivalents include
cash and due from banks, and federal funds sold.
 
  Investment securities
 
     Investment securities, except for investments in mutual funds, are stated
at cost adjusted for amortization of premiums and accretion of discounts.
Investments in mutual funds are carried at the lower of cost or market. Gains
and losses on the sale of investment securities are computed using the specific
identification method.
 
  Allowance for loan losses
 
     The allowance for loan losses is established through charges to expense and
is maintained at a level which, in management's judgement, is necessary to
provide for future losses from the current portfolios. This judgement is based
on analysis of the current and expected economic conditions, risk
characteristics of the loan portfolios and prior loan loss experience in
relation to loans outstanding.
 
  Interest on loans
 
   
     Interest on installment loans is recognized as income over the lives of the
loans by the sum-of-the-months-digits and simple interest methods. The results
of using the sum-of-the-months-digits method do not differ materially from those
obtained by using the interest method. Interest on other loans is recognized
based on the principal amounts outstanding. The accrual of interest on loans is
discontinued when, in the opinion of management, there is doubt as to the
ability of the borrower to pay interest or principal. The balances of non-
accrual loans were $474,067 and $446,379 at December 31, 1993 and 1992. Interest
previously accrued but uncollected on these loans was $148,031 and $51,142 at
December 31, 1993 and 1992.
    
 
  Premises and equipment
 
     Premises and equipment are stated at cost, less accumulated depreciation.
Depreciation is computed principally by the straight-line method.
 
  Real estate owned other than premises
 
     Real estate owned other than premises consists primarily of property
acquired in settlement of loans These properties are initially recorded at the
lower of cost or fair value as determined by appraisal at the date acquired.
Losses arising from such acquisitions are charged to the allowance for loan
losses. Carrying values are subsequently reduced through a charge to operations
when current appraisals indicate a decline in value.
 
                                       F-7
<PAGE>   60
 
                           INVESTARK BANKSHARES, INC.
 
           NOTES TO CONSOLIDATED FINANCIAL STATEMENTS -- (CONTINUED)
 
   
Fair value is based on the estimated net amount realizable on disposition of the
property. Amounts included in other assets at December 31, 1993 and 1992, were
$142,874 and $1,241,534, respectively.
    
 
  Income taxes
 
     Provisions for income taxes are based on amounts reported in the statements
of income (after exclusion of non-taxable income such as interest on state and
municipal securities) and include deferred taxes on temporary differences in the
recognition of income and expense for tax and financial statement purposes.
Deferred taxes are computed using the liability method as prescribed in SFAS No.
109, "Accounting for Income Taxes."
 
  Off-balance-sheet financial instruments
 
     In the ordinary course of business the Company has entered into
off-balance-sheet financial instruments consisting of commitments to extend
credit, commitments under credit card arrangements, commercial letters of credit
and standby letters of credit. Such financial instruments are recorded in the
financial statements when they become payable.
 
  Trust Department assets
 
     In accordance with the usual practice of banks, property other than cash
deposits held by the Company's subsidiary bank's Trust Department in a fiduciary
or agency capacity for customers, is not included in the consolidated financial
statements.
 
  Reclassification
 
     Certain 1992 amounts have been reclassified to conform with the 1993
presentation.
 
NOTE 2: INVESTMENT SECURITIES
 
   
     The book and approximate fair values of investment securities are
summarized as follows:
    
 
<TABLE>
<CAPTION>
                                                               DECEMBER 31, 1993
                                             ------------------------------------------------------
                                                BOOK        UNREALIZED    UNREALIZED    APPROXIMATE
                                                VALUE         GAINS         LOSSES      FAIR VALUE
                                             -----------    ----------    ----------    -----------
<S>                                          <C>            <C>           <C>           <C>
U. S. Government...........................  $18,030,129    $  555,924    $  (15,504)   $18,570,549
Federal agencies and corporations..........   23,773,613       236,020       (58,853)    23,950,780
States and political subdivisions..........   24,699,566     1,138,754       (52,828)    25,785,492
Other securities...........................    7,900,568       311,839        (5,043)     8,207,364
Mortgage-backed securities.................   10,074,910       335,498       (23,596)    10,386,812
                                             -----------    ----------    ----------    -----------
Total debt securities......................   84,478,786     2,578,035      (155,824)    86,900,997
Federal Reserve Bank stock and other equity
  securities...............................    3,384,958                     (21,042)     3,363,916
                                             -----------    ----------    ----------    -----------
                                             $87,863,744    $2,578,035    $ (176,866)   $90,264,913
                                             -----------    ----------    ----------    -----------
                                             -----------    ----------    ----------    -----------
</TABLE>
 
                                       F-8
<PAGE>   61
 
                           INVESTARK BANKSHARES, INC.
 
           NOTES TO CONSOLIDATED FINANCIAL STATEMENTS -- (CONTINUED)
 
<TABLE>
<CAPTION>
                                                               DECEMBER 31, 1992
                                             ------------------------------------------------------
                                                BOOK        UNREALIZED    UNREALIZED    APPROXIMATE
                                                VALUE         GAINS         LOSSES      FAIR VALUE
                                             -----------    ----------    ----------    -----------
<S>                                          <C>            <C>           <C>           <C>
U. S. Government...........................  $14,742,329    $  495,362    $   (4,973)   $15,232,718
Federal agencies and corporations..........   20,335,711       411,055       (98,673)    20,648,093
States and political subdivisions..........   18,440,150       719,055       (39,473)    19,119,732
Other securities...........................   16,612,521     1,065,524       (18,474)    17,659,571
Mortgage-backed securities.................   11,872,671       456,403       (37,059)    12,292,015
                                             -----------    ----------    ----------    -----------
Total debt securities......................   82,003,382     3,147,399      (198,652)    84,952,129
Federal Reserve Bank stock and other equity
  securities...............................      458,400                      (2,998)       455,402
                                             -----------    ----------    ----------    -----------
                                             $82,461,782    $3,147,399    $ (201,650)   $85,407,531
                                             -----------    ----------    ----------    -----------
                                             -----------    ----------    ----------    -----------
</TABLE>
 
   
     The book and approximate fair values of investment securities at December
31, 1993 and 1992, by contractual maturity, are shown below. Actual maturities
may differ from contractual maturities due to the existence of call or
prepayment options.
    
 
<TABLE>
<CAPTION>
                                             DECEMBER 31, 1993               DECEMBER 31, 1992
                                        ----------------------------    ----------------------------
                                                        APPROXIMATE                     APPROXIMATE
                                         BOOK VALUE      FAIR VALUE      BOOK VALUE      FAIR VALUE
                                        ------------    ------------    ------------    ------------
<S>                                     <C>             <C>             <C>             <C>
Due in one year or less...............   $11,883,780     $12,063,150     $14,794,911     $15,008,930
Due after one year through five
  years...............................    49,692,189      50,900,606      37,230,012      38,798,851
Due after five years through ten
  years...............................     9,671,306      10,142,426      13,483,007      13,984,579
Due after ten years...................     3,156,601       3,408,003       4,622,783       4,867,753
Mortgage-backed securities............    10,074,910      10,386,812      11,872,669      12,292,016
                                        ------------    ------------    ------------    ------------
Total debt securities.................    84,478,786      86,900,997      82,003,382      84,952,129
Equity securities.....................     3,384,958       3,363,916         458,400         455,402
                                        ------------    ------------    ------------    ------------
                                         $87,863,744     $90,264,913     $82,461,782     $85,407,531
                                        ------------    ------------    ------------    ------------
                                        ------------    ------------    ------------    ------------
</TABLE>
 
     Proceeds from disposition of investment securities during 1993 and 1992
were as follows:
 
<TABLE>
<CAPTION>
                                                                   1993            1992
                                                                -----------     -----------
    <S>                                                         <C>             <C>
    Proceeds from disposition (primarily maturities and
      calls)..................................................  $29,638,082     $20,440,815
    Realized gains on disposition.............................       76,826          21,773
    Realized losses on disposition............................        1,217           6,002
</TABLE>
 
   
     The Company has the intent and ability to hold securities which may have
book values greater than fair values to their maturity date.
    
 
     Investment securities with carrying amounts of $31,289,667 and $34,330,551
at December 31, 1993 and 1992, respectively, were pledged to secure public
deposits and for other purposes required or permitted by law.
 
                                       F-9
<PAGE>   62
 
                           INVESTARK BANKSHARES, INC.
 
           NOTES TO CONSOLIDATED FINANCIAL STATEMENTS -- (CONTINUED)
 
NOTE 3: LOANS
 
     Major classifications of loans are as follows:
 
<TABLE>
<CAPTION>
                                                                 DECEMBER       DECEMBER
                                                                   31,            31,
                                                                   1993           1992
                                                                ----------     ----------
    <S>                                                         <C>            <C>
    Real estate................................................ $37,955,597    $35,492,564
    Agricultural production....................................  14,099,782     12,467,213
    Commercial.................................................  19,800,236     24,262,093
    Loans to individuals.......................................  11,318,623     12,420,292
    Other (including overdrafts)...............................   1,350,633      2,383,485
                                                                -----------    -----------
                                                                 84,524,871     87,025,647
    Less: unearned interest....................................      29,095         46,944
                                                                -----------    -----------
    Net loans..................................................  84,495,776     86,978,703
    Less: allowance for possible loan losses...................   1,493,554      1,073,186
                                                                -----------    -----------
                                                                $83,002,222    $85,905,517
                                                                -----------    -----------
                                                                -----------    -----------
</TABLE>
 
     The Company's subsidiary banks grant agribusiness, commercial and other
loans throughout their market areas. Although they have diversified loan
portfolios, a substantial portion of their borrowers' ability to honor their
contracts is dependent upon the agribusiness economic sector.
 
NOTE 4: ALLOWANCE FOR POSSIBLE LOAN LOSSES
 
     Changes in the allowance for possible loan losses were as follows:
 
<TABLE>
<CAPTION>
                                                                    1993          1992
                                                                  ---------     ---------
    <S>                                                           <C>           <C>
    Balance -- Beginning of year................................. $1,073,186    $1,184,181
    Provision charged to operations..............................    600,000        64,491
    Recoveries...................................................     75,719       175,998
    Loans charged-off............................................   (255,351)     (351,484)
                                                                  ----------    ----------
    Balance -- End of year....................................... $1,493,554    $1,073,186
                                                                  ----------    ----------
                                                                  ----------    ----------
</TABLE>
 
NOTE 5: PREMISES AND EQUIPMENT
 
     Major classifications of these assets are summarized as follows:
 
<TABLE>
<CAPTION>
                                                                                  USEFUL LIVES
                                                                                  ------------
                                                        1993          1992          (YEARS)
                                                      ---------     ---------     ------------
    <S>                                               <C>           <C>           <C>
    Land............................................. $ 619,437     $ 627,937
    Buildings and improvements....................... 3,243,733     3,696,562         5-40
    Furniture and equipment.......................... 2,250,439     3,219,031         3-15
                                                      ---------     ---------
                                                      6,113,609     7,543,530
    Less: allowance for depreciation................. 3,391,639     4,586,995
                                                      ---------     ---------
                                                      $2,721,970    $2,956,535
                                                      ---------     ---------
                                                      ---------     ---------
</TABLE>
 
     Depreciation expense was $552,153, $529,097 and $467,406 in 1993, 1992 and
1991, respectively.
 
                                      F-10
<PAGE>   63
 
                           INVESTARK BANKSHARES, INC.
 
           NOTES TO CONSOLIDATED FINANCIAL STATEMENTS -- (CONTINUED)
 
NOTE 6: LEASES
 
     First Stuttgart Bank is lessor of computer equipment under operating leases
which expire during 1994. Minimum future rental payments receivable under these
noncancellable leases are:
 
<TABLE>
            <S>                                                          <C>
            1994........................................................ $38,368
                                                                         -------
                                                                         -------
</TABLE>
 
     The lessees are to provide all maintenance to the equipment under the terms
of the leases.
 
NOTE 7: INCOME TAXES
 
     The income tax provision, including taxes on securities gains and losses
consists of the following:
 
<TABLE>
<CAPTION>
                                                          1993          1992         1991
                                                        ---------     --------     --------
    <S>                                                 <C>           <C>          <C>
    Federal income tax
      Currently payable................................ $ 425,797     $507,036     $189,737
      Deferred.........................................  (278,044)      (6,315)     (61,466)
                                                        ---------     --------     --------
                                                        $ 147,753     $500,721     $128,271
                                                        ---------     --------     --------
                                                        ---------     --------     --------
</TABLE>
 
   
     The tax effect of the temporary differences which comprise deferred income
taxes are as follows:
    
 
<TABLE>
<CAPTION>
                                                      1993            1992           1991
                                                    ---------       --------       --------
    <S>                                             <C>             <C>            <C>
    Temporary differences in tax and book
      reporting of bad debts......................  $(195,799)
    Temporary differences in tax and book
      reporting of security transactions..........       (917)      $ (8,868)      $(15,632)
    Depreciation expense different for tax and
      book purposes...............................    (61,201)         6,706         30,049
    Temporary differences in tax and book
      reporting for other real estate
      transactions................................     11,450        (10,957)       (75,883)
    Effect of recognizing loss on pension plan
      curtailment.................................    (73,100)
    Other -- net..................................     41,523          6,804
                                                    ---------       --------       --------
                                                    $(278,044)      $ (6,315)      $(61,466)
                                                    ---------       --------       --------
                                                    ---------       --------       --------
</TABLE>
 
     The income tax provision differs from the statutory rate primarily because
of the income tax treatment of exempt income and provision for loan losses and
use of alternative minimum tax credits.
 
NOTE 8: EMPLOYEE BENEFIT PLANS
 
     First Stuttgart Bank has a defined benefit pension plan which covers
substantially all its employees. The benefits are based on years of service and
the employee's compensation during the last five years of employment. The
funding policy is to contribute annually an amount that does not exceed the
maximum amount deductible for federal income tax purposes. Contributions are
intended to provide not only for benefits attributed to service to date but also
for those expected to be earned in the future.
 
                                      F-11
<PAGE>   64
 
                           INVESTARK BANKSHARES, INC.
 
           NOTES TO CONSOLIDATED FINANCIAL STATEMENTS -- (CONTINUED)
 
     The following tables set forth the plan's funded status and amounts
recognized in the Bank's balance sheet at December 31, 1993 and 1992 (amounts in
thousands):
 
<TABLE>
<CAPTION>
                                                                        1993         1992
                                                                       ------       ------
    <S>                                                                <C>          <C>
    Actuarial present value of benefit obligations:
      Accumulated benefit obligation, including vested benefits of
         $860 and $770...............................................  $  879       $  781
                                                                       ------       ------
                                                                       ------       ------
      Projected benefit obligation for service rendered to date......  $1,071       $  957
      Plan assets at fair value......................................   1,117        1,008
                                                                       ------       ------
      Plan assets in excess of projected benefit obligation..........      46           51
      Unrecognized prior service cost................................     (27)         (28)
      Unrecognized net obligation at January 1, 1993 and 1992, being
         recognized over 22 years....................................     (42)         (45)
      Unrecognized net loss..........................................     116          110
                                                                       ------       ------
      Prepaid pension cost...........................................  $   93       $   88
                                                                       ------       ------
                                                                       ------       ------
</TABLE>
 
     Net pension cost for 1993, 1992 and 1991 included the following components:
 
<TABLE>
<CAPTION>
                                                                1993       1992       1991
                                                                ----       ----       ----
    <S>                                                         <C>        <C>        <C>
    Service costs-benefits earned during the period...........  $ 55       $ 55       $ 59
    Interest cost on projected benefit obligation.............    67         59         53
    Expected return on plan assets............................   (71)       (63)       (60)
    Amortization of:
      Prior service cost......................................    (1)        (1)        (1)
      Unrecognized net obligation existing at January 1, 1993,
         1992 and 1991........................................    (3)        (3)        (3)
      Gain....................................................     1          2          5
                                                                ----       ----       ----
    Net pension cost..........................................  $ 48       $ 49       $ 53
                                                                ----       ----       ----
                                                                ----       ----       ----
</TABLE>
 
     The weighted-average discount rate and the rate of increase in future
compensation levels used in determining the actuarial present value of the
projected benefit obligation were 7.0% and 4.5% respectively. The expected
long-term rate of return on assets was 7.0%.
 
     In connection with the merger with First United Bancshares, First Stuttgart
Bank is to terminate its defined benefit plan during 1994. Under generally
accepted accounting principles, if the net effect of the termination is a loss,
it should be recognized when the termination is probable and the effects are
reasonably estimable. Accordingly, a loss of $215,000 on the termination of this
plan is included in the accompanying 1993 statement of income.
 
     The Bank of North Arkansas has a defined contribution employee benefit
plan, qualified under IRC Section 401(k) that covers all employees, with the
exception of employees who are highly compensated. Contributions to the plan are
based on the total amount of salary reduction the employee elects to defer, a
discretionary matching contribution equal to a percentage of the amount the
employee elects to defer, which percentage will be determined each year by the
employer, and a discretionary amount determined each year by the employer. To
share in the matching and discretionary contribution, the employee must complete
a year of service and be actively employed on the last day of the Plan Year. The
amount of pension expense was $13,345 and $15,606 for 1993 and 1992,
respectively.
 
                                      F-12
<PAGE>   65
 
                           INVESTARK BANKSHARES, INC.
 
           NOTES TO CONSOLIDATED FINANCIAL STATEMENTS -- (CONTINUED)
 
NOTE 9: DISCLOSURES ABOUT FAIR VALUE OF FINANCIAL INSTRUMENTS
 
     The following methods and assumptions were used to estimate the fair value
of each class of financial instruments for which it is practicable to estimate
that value:
 
Cash and due from banks and short-term investments:
     For these short-term items, the carrying amount is a reasonable estimate of
     fair value.
 
Investment securities:
     Fair values are based on quoted market prices, if available. If a quoted
     market price is not available, fair value is estimated using quoted market
     prices for similar securities.
 
Loans:
     The fair value of loans is estimated by discounting the expected future
     cash flows using current rates at which similar loans would be made to
     borrowers with similar credit ratings and for similar remaining maturities.
 
Deposit liabilities:
     The fair value of demand deposits, savings accounts and certain money
     market deposits is the amount payable on demand at the reporting date. The
     fair value of fixed-maturity certificates of deposit is estimated using the
     rates currently offered for deposits with similar remaining maturities.
 
Borrowed funds:
     For borrowings with fixed interest rates, fair value is estimated using the
     rates currently available to the Company's subsidiary banks for debt with
     similar terms and remaining maturities. For floating rate debt the fair
     value approximates the recorded liability.
 
Commitments to extend credit and letters of credit:
     The fair value of commitments is estimated using the fees currently charged
     to enter into similar arrangements, taking into account the remaining terms
     of the agreements and the present creditworthiness of the counterparties.
     For fixed rate loan commitments, fair value also considers the difference
     between current levels of interest rates and committed rates. The fair
     value of letters of credit is based on the fees currently charged for
     similar agreements or on the estimated cost to terminate them or otherwise
     settle the obligations with the counterparties at the reporting date.
 
                                      F-13
<PAGE>   66
 
                           INVESTARK BANKSHARES, INC.
 
           NOTES TO CONSOLIDATED FINANCIAL STATEMENTS -- (CONTINUED)
 
     The estimated fair values of the Company's financial instruments at
December 31, 1993 and 1992 are as follows (amounts in thousands):
 
<TABLE>
<CAPTION>
                                                          1993                      1992
                                                  ---------------------     ---------------------
                                                  CARRYING       FAIR       CARRYING       FAIR
                                                   VALUE        VALUE        VALUE        VALUE
                                                  --------     --------     --------     --------
<S>                                               <C>          <C>          <C>          <C>
Financial assets:
  Cash and equivalents..........................  $  7,214     $  7,214     $ 13,363     $ 13,363
  Short-term investments........................     1,181        1,181        1,744        1,744
  Investment securities.........................    87,864       90,286       82,461       85,410
  Loans.........................................    84,496       84,682       86,979       88,730
  Less: allowance for loan losses...............    (1,494)      (1,494)      (1,073)      (1,073)
                                                  --------     --------     --------     --------
  Net loans.....................................  $ 83,002     $ 83,188     $ 85,906     $ 87,657
                                                  --------     --------     --------     --------
                                                  --------     --------     --------     --------
Financial liabilities:
  Deposits......................................  $163,300     $163,648     $170,102     $107,706
  Borrowed funds................................     3,912        3,912        4,216        4,216
Off-balance-sheet instruments:
  Commitments to extend credit..................    21,637       21,637       18,375       18,375
  Letters of credit.............................       647          647          472          472
</TABLE>
 
NOTE 10: NOTES PAYABLE
 
     Borrowed funds at December 31, 1993 and 1992 include the following:
 
<TABLE>
<CAPTION>
                                                                       1993         1992
                                                                     --------     --------
    <S>                                                              <C>          <C>
    Note payable, 5.5% interest, due monthly through May 2003,
      secured by pledge of assets..................................  $320,133
    Note payable, 4.4% interest, due monthly through May 1998,
      secured by pledge of assets..................................   189,597
    Note payable, 6% interest, due in annual installments of
      $190,000 plus interest through 1998, secured by 79,762 shares
      of stock of The Bank of North Arkansas.......................               $500,000
                                                                     --------     --------
                                                                     $509,730     $500,000
                                                                     --------     --------
                                                                     --------     --------
</TABLE>
 
     Scheduled maturities after December 31, 1993 are as follows:
 
<TABLE>
<CAPTION>
YEAR ENDED
 DECEMBER
    31,                                                 AMOUNT
- -----------                                            --------
<S>                                                    <C>
   1994............................................... $ 66,396
   1995...............................................   69,698
   1996...............................................   73,166
   1997...............................................   76,809
   1998...............................................   52,731
   After 1998.........................................  170,930
                                                       --------
                                                       $509,730
                                                       --------
                                                       --------
</TABLE>
 
                                      F-14
<PAGE>   67
 
                           INVESTARK BANKSHARES, INC.
 
           NOTES TO CONSOLIDATED FINANCIAL STATEMENTS -- (CONTINUED)
 
NOTE 11: COMMITMENTS AND CONTINGENCIES
 
     The consolidated financial statements do not reflect various commitments
and contingent liabilities which arise in the normal course of the Company's
business and which involve elements of credit risk, interest rate risk and
liquidity risk. These commitments and contingent liabilities consist of
commitments to extend credit and letters of credit. A summary of the commitments
and contingent liabilities at December 31, 1993 and 1992 are summarized below:
 
<TABLE>
<CAPTION>
                                                                   1993           1992
                                                                ----------     ----------
    <S>                                                         <C>            <C>
    Commitments to extend credit............................... $18,411,675    $15,725,759
    Credit card arrangements...................................   3,225,782      2,648,940
    Letters of credit..........................................     646,938        472,038
                                                                -----------    -----------
                                                                $22,284,395    $18,846,737
                                                                -----------    -----------
                                                                -----------    -----------
</TABLE>
 
     Commitments to extend credit, credit card arrangements and letters of
credit all include some exposure to credit loss in the event of nonperformance
of the customer. The Company's credit policies and procedures for credit
commitments and financial guarantees are the same as those for extensions of
credit that are recorded in the consolidated financial statements. Because these
instruments have fixed maturity dates, and because many of them expire without
being drawn upon, they do not generally present any significant liquidity risk
to the Company.
 
     In the ordinary course of business, there are various legal proceedings
involving the Company and its subsidiaries, most of which are considered
litigation incidental to the conduct of business. These proceedings include,
among other matters, defense of routine corporate, employment, banking and
lender liability related litigation. Management, after consulting with legal
counsel and based on the facts available and proceedings to date, some of which
are preliminary, is of the opinion that the ultimate resolution of these
proceedings will not have a material adverse effect on the consolidated
financial position of the Company.
 
NOTE 12: CONCENTRATIONS OF CREDIT
 
     Substantially all of the Company's loans, commitments to loan and letters
of credit have been granted to customers in their trade area who are also
depositors of the Company. The concentrations of credit by type of loan are set
forth in Note 3. The distribution of commitments to extend credit approximates
the distribution of loans outstanding.
 
NOTE 13: DIVIDEND RESTRICTIONS
 
     As State Banks, First Stuttgart Bank and The Bank of North Arkansas are
each restricted in the amount of dividends they may pay in any year without
prior permission from the Arkansas Bank Commissioner to fifty percent of its net
income for the year. The Banks' ability to pay dividends is also restricted by
the minimum capital requirement of their regulatory agencies which require them
to maintain at least an 8.25% risk-based capital ratio.
 
NOTE 14: RELATED PARTY TRANSACTIONS
 
     Some of the directors and executive officers and the companies in which
they had a significant interest were customers of and had transactions with the
Company's subsidiary banks. Such transactions were made in the ordinary course
of the Banks' business on substantially the same terms and conditions, including
interest rates and collateral, as those prevailing at the same time for
comparable transactions with other customers and did not, in the opinion of
management, involve more than a normal credit risk or present other unfavorable
features. The aggregate amount of loans to such related parties amounted to
$2,212,481 and $3,345,252 at
 
                                      F-15
<PAGE>   68
 
                           INVESTARK BANKSHARES, INC.
 
           NOTES TO CONSOLIDATED FINANCIAL STATEMENTS -- (CONTINUED)
 
December 31, 1993 and 1992, respectively. Transactions during 1993 included new
loans amounting to $2,459,497 and repayments amounting to $3,592,268.
 
NOTE 15: SUPPLEMENTAL CASH FLOW INFORMATION
 
     The Company paid $5,166,679 and $7,031,918 in interest on deposits and
other borrowings during 1993 and 1992, respectively, and income taxes of
$289,000 and $470,000 for 1993 and 1992.
 
NOTE 16: PENDING MERGER
 
     On December 17, 1993 the Company entered into an agreement to merge with
First United Bancshares, Inc. of El Dorado, Arkansas. Under the terms of this
agreement First United would acquire all of the outstanding stock of Investark
Bankshares, Inc. through issuance of First United common stock valued at
approximately $26,125,000. This transaction is expected to be consummated in the
first half of 1994.
 
   
NOTE 17: EFFECTS OF RECENTLY ADOPTED ACCOUNTING STANDARDS
    
 
   
     During 1993, the Financial Accounting Standards Board (FASB) issued SFAS
No. 114 (Accounting by Creditors for Impairment of a Loan) which becomes
effective beginning in 1995. This statement requires that impaired loans that
are within the scope of the Statement essentially be measured based on the
present value of expected future cash flows discounted at the loan's effective
rate, or as a practical expedient, at the loan's observable market price or the
fair value of the collateral if the loan is collateral dependent. Management has
not determined the effect this statement will have when adopted.
    
 
   
     In 1993, the Financial Accounting Standards Board (FASB) issued SFAS No.
115, (Accounting for Certain Investments in Debt and Equity Securities), that
becomes effective for fiscal years beginning after 1993. This Statement
addresses the accounting and reporting for investments in debt and certain
equity securities. Debt securities not classified as trading account securities
or investment securities expected to be held to maturity and all equity
securities will be classified as available for sale and are reported at fair
value, with net unrealized gains and losses reported, net of tax, as a separate
component of stockholders' equity. InvestArk will apply the new rules starting
in the first quarter of 1994 and believes the impact of adopting this statement
will not be material to its financial position or results of operations.
    
 
                                      F-16
<PAGE>   69
 
                           INVESTARK BANKSHARES, INC.
 
           NOTES TO CONSOLIDATED FINANCIAL STATEMENTS -- (CONTINUED)
 
   
NOTE 18: CONDENSED FINANCIAL INFORMATION OF PARENT COMPANY
    
 
     The financial position of Investark Bankshares, Inc. (parent company only),
its results of operations and cash flows are summarized as follows:
 
<TABLE>
<CAPTION>
                                                                            DECEMBER 31,
                                                                    --------------------------
                                                                       1993            1992
                                                                    ----------      ----------
<S>                                                                 <C>             <C>
Condensed financial position:
Assets:
  Cash............................................................. $    52,090     $    94,395
  Investment in subsidiaries.......................................  16,826,950      16,174,658
  Other assets.....................................................     185,811         137,195
                                                                    -----------     -----------
          Total assets............................................. $17,064,851     $16,406,248
                                                                    -----------     -----------
                                                                    -----------     -----------
Liabilities and capital accounts:
  Long-term debt...................................................                 $   500,000
  Other liabilities................................................ $   199,539          86,142
                                                                    -----------     -----------
          Total liabilities........................................     199,539         586,142
                                                                    -----------     -----------
Common stock.......................................................   2,191,220       2,191,220
Surplus............................................................   1,105,133       1,098,929
Retained earnings..................................................  13,719,965      12,690,099
Treasury stock.....................................................    (129,964)       (157,144)
Net unrealized loss on marketable equity securities................     (21,042)         (2,998)
                                                                    -----------     -----------
          Total capital............................................  16,865,312      15,820,106
                                                                    -----------     -----------
          Total liabilities and capital............................ $17,064,851     $16,406,248
                                                                    -----------     -----------
                                                                    -----------     -----------
</TABLE>
 
                                      F-17
<PAGE>   70
 
                           INVESTARK BANKSHARES, INC.
 
           NOTES TO CONSOLIDATED FINANCIAL STATEMENTS -- (CONTINUED)
 
<TABLE>
<CAPTION>
                                                                    YEAR ENDED DECEMBER 31,          
                                                             --------------------------------------  
                                                               1993           1992          1991     
                                                             ---------     ----------     ---------  
<S>                                                         <C>            <C>            <C>        
Condensed operating results:                                                                         
  Dividends from subsidiaries..........................     $  703,072     $  734,746     $ 245,766  
  Other income.........................................                         2,726         3,790  
                                                            ----------     ----------     ---------  
                                                               703,072        737,472       249,556  
                                                            ----------     ----------     ---------  
  Interest.............................................         15,133         55,437        73,924  
  Other expense........................................         70,978         54,611        29,718  
                                                            ----------     ----------     ---------  
                                                                86,111        110,048       103,642  
                                                            ----------     ----------     ---------  
Income before tax benefit and equity in undistributed                                                
  income of subsidiaries...............................        616,961        627,424       145,914  
Income tax benefit.....................................        (31,685)       (35,412)      (46,937) 
                                                            ----------     ----------     ---------  
Income before equity in undistributed income of                                                      
  subsidiaries.........................................        648,646        662,836       192,851  
Equity in undistributed income of subsidiaries.........        629,180      1,570,386       713,715  
                                                            ----------     ----------     ---------  
Net income.............................................     $1,277,826     $2,233,222     $ 906,566  
                                                            ----------     ----------     ---------  
                                                            ----------     ----------     ---------  
Condensed statements of cash flows:                                                                  
  Cash flows from operating activities:                                                              
     Net income........................................     $1,277,826     $2,233,222     $ 906,566  
     Undistributed income..............................       (629,180)    (1,570,386)     (713,715) 
     Gain on sale of stock.............................                        (1,896)               
     Amortization......................................          3,011          3,011         2,814  
     (Increase) decrease in other assets...............        (75,166)       (26,103)       76,595  
     Increase (decrease) in other liabilities..........        139,948        (13,431)        5,909  
                                                            ----------     ----------     ---------  
                                                               716,439        624,417       278,169  
                                                            ----------     ----------     ---------  
Cash flows from investing activities:                                                                
  Purchase First Stuttgart Bank stock..................        (44,168)                              
  Purchase Bank of North Arkansas stock................                          (923)      (13,756) 
  Proceeds from sale of stock..........................                         9,796                
                                                            ----------     ----------     ---------  
                                                               (44,168)         8,873       (13,756) 
                                                            ----------     ----------     ---------  
Cash flows from financing activities:                                                                
  Sale of treasury stock...............................         33,384                               
  Purchase of treasury stock...........................                       (38,520)               
  Proceeds from long-term debt.........................        313,764                               
  Repayment of borrowings..............................       (813,764)      (369,699)               
  Dividends paid.......................................       (247,960)      (205,042)     (194,566) 
                                                            ----------     ----------     ---------  
                                                              (714,576)      (613,261)     (194,566) 
                                                            ----------     ----------     ---------  
Net increase (decrease) in cash........................        (42,305)        20,029        69,847  
Cash beginning of year.................................         94,395         74,366         4,519  
                                                            ----------     ----------     ---------  
Cash at end of year....................................     $   52,090     $   94,395     $  74,366  
                                                            ----------     ----------     ---------  
                                                            ----------     ----------     ---------  
Supplementary data for cash flows:                                                                   
  Interest paid........................................     $   15,133     $   55,437     $  95,607  
</TABLE>
 
                                      F-18
<PAGE>   71
 
                                    PART II
 
                     INFORMATION NOT REQUIRED IN PROSPECTUS
 
ITEM 20. INDEMNIFICATION OF DIRECTORS AND OFFICERS
 
     The Arkansas Business Corporation Act of 1987 (the "Act") codified at Ark.
Code Ann. sec.4-27-101 et. seq. and more specifically at Ark. Code Ann.
sec.4-27-850 permits an Arkansas Corporation to indemnify directors, officers,
employees and agents under some circumstances, and mandates indemnification
under certain limited circumstances. The Act permits a corporation to indemnify
a director, officer, employee, or agent for expenses (including attorneys'
fees), judgements, fines and amounts paid in settlement actually and reasonably
incurred if such person acted in good faith and in a manner he reasonably
believed to be in or not opposed to the best interests of the corporation.
Indemnification against expenses incurred by a director, officer, employee or
agent in connection with his defense of a proceeding against such person for
actions in such capacity is mandatory to the extent that such person has been
successful on the merits. If a director, officer, employee, or agent is
determined to be liable to the corporation, indemnification for expenses is not
allowable, subject to limited exceptions where a court deems the award of
expenses appropriate. The Act grants express power to an Arkansas corporation to
purchase liability insurance for its directors, officers, employees and agents,
regardless of whether any such person is otherwise eligible for indemnification
by the corporation. Advancement of expenses is permitted, but a person receiving
such advances must repay those expenses if it is ultimately determined that he
is not entitled to indemnifications.
 
     The Amended and Restated Articles of Incorporation and the Bylaws of First
United provides that the directors, officers, employees and agents of First
United shall be indemnified as set forth below.
 
                 AMENDED AND RESTATED ARTICLES OF INCORPORATION
 
     TWELFTH. The corporation may indemnify any person who was, or is, a party
or is threatened to be made a party to any threatened, pending or completed
action, suit or proceeding to the fullest extent permitted by the Arkansas
Business Corporation Act as it now exists or may hereafter be amended.
 
                                    BY-LAWS
 
     Section 6. INDEMNIFICATION. Every person who was or is a party or is
threatened to be made a party to or is involved in any action, suit, proceeding,
whether civil, criminal, administrative, or investigative, by reason of the fact
that he is or was a director or officer of the Corporation or is or was serving
at the request of the Corporation as a director or officer of another
corporation, or as its representative in a partnership, joint venture, trust, or
other enterprise, shall be indemnified and held harmless to the fullest extent
legally permissible under and pursuant to any procedure specified in the
Arkansas Business Corporation Act of the State of Arkansas, as amended and as
the same may be amended hereafter, against all expenses, liabilities, and losses
(including attorney's fees, judgments, fines and amounts paid or to be paid in
settlement) reasonably incurred or suffered by him in connection therewith. Such
right of indemnification shall be a contract right that may be enforced in any
lawful manner by such person. Such right of indemnification shall not be
exclusive of any other right which such director or officer may have or
hereafter acquire and, without limiting the generality of such statement, he
shall be entitled to his rights of indemnification under any agreement, vote of
stockholders, provisions of law, or otherwise, as well as his rights under this
paragraph.
 
     The board of directors may cause the Corporation to purchase and maintain
insurance on behalf of any person who is or was a director or officer of the
Corporation, or is or was serving at the request of the Corporation as a
director or officer of another corporation, or as its representative in a
partnership, joint venture, trust or other enterprise against any liability
asserted against such person and incurred in any such capacity or arising out of
such status, whether or not the Corporation would have power to indemnify such
person.
 
                                      II-1
<PAGE>   72
 
ITEM 21. EXHIBITS AND FINANCIAL STATEMENT SCHEDULES
 
   
<TABLE>
<CAPTION>
       EXHIBIT
         NO.                                  DESCRIPTION OF EXHIBIT
- ------------------   ------------------------------------------------------------------------
<S>                  <C>
           2         -- Agreement and Plan of Reorganization Between First United Bancshares,
                        Inc. and InvestArk Bankshares, Inc. and Plan of Merger attached as
                        Exhibit A thereto.(1)
           3(i)      -- Articles of Incorporation of InvestArk Bankshares, Inc.(2)
           3(ii)     -- Bylaws of InvestArk Bankshares, Inc.(2)
           5         -- Opinion of Ivester, Skinner & Camp, P.A.(1)
           8         -- Tax Opinion of Shults, Ray & Kurrus regarding InvestArk Bankshares,
                        Inc. Acquisition.(1)
           9         -- Trust agreement dated             , 1994 by and among Jackson T.
                        Stephens, the W.R. Stephens Trust, the W.R.Stephens, Jr. Trust, W.R.
                        Stephens, Jr., Warren A. Stephens, the Elizabeth Ann Stephens
                        Campbell Trust, Stephens Group, Inc. and the Bank of New York, as
                        trustee.(1)
          10         -- Shareholders Agreement dated December 17, 1993 by and among First
                        United, W.R. Stephens, Jr., the W.R. Stephens Trust, the W.R.
                        Stephens Trust, Jackson T. Stephens, Warren A. Stephens and Elizabeth
                        Ann Stephens Trust.(2)
          21         -- Subsidiaries of First United Bancshares, Inc.(2)
          23(a)      -- Consent of Arthur Andersen & Co.(1)
          23(b)      -- Consent of Martin and Company(1)
          24         -- Power of Attorney -- Signature Page of the Registration Statement(2)
          99(a)      -- First United Bancshares, Inc. Form of Proxy(1)
          99(b)      -- InvestArk Bankshares, Inc. Form of Proxy(1)
</TABLE>
    
 
- ---------------
 
   
(1) Filed herewith.
    
 
   
(2) As previously filed.
    
 
ITEM 22. UNDERTAKINGS
 
     (1) The undersigned registrant hereby undertakes that, for purposes of
determining any liability under the Securities Act of 1933, 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 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.
 
     (2) The undersigned registrant hereby undertakes to deliver or cause to be
delivered with the prospectus, to each person to whom the prospectus is sent or
given, the latest annual report to security holders that is incorporated by
reference in the prospectus and furnished pursuant to and meeting the
requirements of Rule 14a-3 or Rule 14c-3 under the Securities Exchange Act of
1934; and, where interim financial information required to be presented by
Article 3 of Regulation S-X are not set forth in the prospectus, to deliver, or
cause to be delivered to each person to whom the prospectus is sent or given,
the latest quarterly report that is specifically incorporated by reference in
the prospectus to provide such interim financial information.
 
     (3) The undersigned registrant hereby undertakes as follows: that prior to
any public reoffering of the securities registered hereunder through use of a
prospectus which is a part of this registration statement, by any person or
party who is deemed to be an underwriter within the meaning of Rule 145(c), the
issuer undertakes that such reoffering prospectus will contain the information
called for by the applicable registration form with respect to reofferings by
persons who may be deemed underwriters, in addition to the information called
for by the other Items of the applicable form.
 
                                      II-2
<PAGE>   73
 
     (4) The registrant undertakes that every prospectus (i) that is filed
pursuant to paragraph (3) immediately preceding, or (ii) that purports to meet
the requirements of section 10(a)(3) of the Act and is used in connection with
an offering of securities subject to Rule 415, will be filed as a part of an
amendment to the registration statement and will not be used until such
amendment is effective, and that, for purposes 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.
 
     (5) 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 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 proceeding) 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 of whether such indemnification by it is against
public policy as expressed in the Act and will be governed by the final
adjudication of such issue.
 
     (6) The undersigned registrant hereby undertakes to supply by means of a
post-effective amendment all information concerning a transaction, and the
company being acquired involved therein, that was not the subject of and
included in the registration statement when it became effective.
 
     (7) The undersigned registrant hereby undertakes to respond to requests for
information that is incorporated by reference into the prospectus pursuant to
Items 4, 10(b), 11, or 13 of this Form, within one business day of receipt of
such request, and to send the incorporated documents by first class mail or
other equally prompt means. This includes information contained in documents
filed subsequent to the effective date of the registration statement through the
date of responding to the request.
 
     (8) The undersigned registrant hereby undertakes:
 
          (1) To file, during any period in which offers or sales are being
     made, 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;
 
             (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 (a)(1)(i) and (a)(1)(ii) do not apply if
the registration statement is on Form S-3 (sec. 239.13 of this chapter) or Form
S-8 (sec. 239.16b of this chapter), and the information required to be included
in a 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 this
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>   74
 
                                   SIGNATURES
 
   
     Pursuant to the requirements of the Securities Act, the Registrant has duly
caused this Amendment No. 1 to the Registration Statement No. 33-52341 to be
signed on its behalf by the undersigned, thereunto duly authorized in the City
of El Dorado, State of Arkansas, on April 8, 1994.
    
 
                                            FIRST UNITED BANCSHARES, INC.
 
                                                  /s/  JAMES V. KELLEY
                                                      James V. Kelley
                                               Chairman, President and Chief
                                                     Executive Officer
 
   
                                                   /s/  JOHN E. BURNS
    
   
                                                       John E. Burns
    
   
                                              Vice President, Chief Financial
                                                          Officer
    
   
                                              and Principal Accounting Officer
    
 
   
     Pursuant to the requirements of the Securities Act of 1933, this Amendment
No. 1 to the Registration Statement No. 33-52341 has been signed by the
following persons in the capacities and on the dates indicated.
    
 
   
     IN WITNESS WHEREOF, I have hereunto set my hand this 8th day of April,
1994.
    
 
   
<TABLE>
<CAPTION>
                  SIGNATURE                               TITLE                     DATE
- ---------------------------------------------  ----------------------------   -----------------
<S>                                            <C>                            <C>
                 /s/  JAMES V. KELLEY          Chairman, President, Chief       April 8, 1994
                    James V. Kelley              Executive Officer and
                                                 Director
                  /s/  JOHN E. BURNS           Vice President, Chief            April 8, 1994
                     John E. Burns               Financial Officer and
                                                 Principal Accounting
                                                 Officer
                 /s/  E. LARRY BURROW*         Director                         April 8, 1994
                    E. Larry Burrow           
               /s/  CLAIBORNE P. DEMING*       Director                         April 8, 1994
                  Claiborne P. Deming         
                /s/  GRADY E. DUPRIEST*        Director                         April 8, 1994
                   Grady E. DuPriest          
             /s/  WILLIAM A. ECKERT, JR.*      Director                         April 8, 1994
                William A. Eckert, Jr.        
                /s/  ROY E. LEDBETTER*         Director                         April 8, 1994
                   Roy E. Ledbetter           
                /s/  MICHAEL F. MAHONY*        Director                         April 8, 1994
                   Michael F. Mahony          
                /s/  RICHARD H. MASON*         Director                         April 8, 1994
                   Richard H. Mason           
                 /s/  JACK W. MCNUTT*          Director                         April 8, 1994
                    Jack W. McNutt            
</TABLE>
    

 
                                      II-4
<PAGE>   75
 
   
<TABLE>
<CAPTION>
                  SIGNATURE                               TITLE                     DATE
- ---------------------------------------------  ----------------------------   -----------------
<S>                                            <C>                            <C>
      /s/  WILLIAM E. MORGAN, JR.*             Director                         April 8, 1994
         William E. Morgan, Jr.            
         /s/  R. MADISON MURPHY*               Director                         April 8, 1994
            R. Madison Murphy              
          /s/  ROBERT C. NOLAN*                Director                         April 8, 1994
             Robert C. Nolan               
         /s/  PAULA M. O'CONNOR*               Director                         April 8, 1994
            Paula M. O'Connor              
      /s/  KATHERINE PATTON OZMENT*            Director                         April 8, 1994
         Katherine Patton Ozment           
          /s/  CAL PARTEE, JR.*                Director                         April 8, 1994
             Cal Partee, Jr.               
           /s/  W. C. PARTEE*                  Director                         April 8, 1994
              W. C. Partee                 
           /s/  CHESLEY PRUET*                 Director                         April 8, 1994
              Chesley Pruet                
       /s/  JOHN D. TRIMBLE, JR.*              Director                         April 8, 1994
          John D. Trimble, Jr.             
          /s/  RALPH C. WEISER*                Director                         April 8, 1994
             Ralph C. Weiser               
        /s/  DAVID M. YOCUM, JR.*              Director                         April 8, 1994
           David M. Yocum, Jr.             
      *By:          JAMES V. KELLEY                                             April 8, 1994
              JOHN E. BURNS                
             James V. Kelley               
              John E. Burns                
           (Attorneys-in-fact)             
</TABLE>
    
                                                         
                                                         
                                     II-5
<PAGE>   76
 
                         FIRST UNITED BANCSHARES, INC.
 
   
                               AMENDMENT NO. 1 TO
    
 
                        FORM S-4 REGISTRATION STATEMENT
 
                               INDEX TO EXHIBITS
 
   
<TABLE>
<CAPTION>
EXHIBIT NO.                               DESCRIPTION
- -----------------------------------------------------------------------------------
<S>        <C>                                                                     
   2       -- Agreement and Plan of Reorganization Between First United Bancshares,
              Inc. and InvestArk Bankshares, Inc. and Plan of Merger attached as
              Exhibit A thereto.(1)
   3(i)    -- Articles of Incorporation of InvestArk Bankshares, Inc.(2)
   3(ii)   -- Bylaws of InvestArk Bankshares, Inc.(2)
   5       -- Opinion of Ivester, Skinner & Camp, P.A.(1)
   8       -- Tax Opinion of Shults, Ray & Kurrus regarding InvestArk Bankshares,
              Inc. Acquisition.(1)
   9       -- Trust agreement dated             , 1994 by and among Jackson T.
              Stephens, the W.R. Stephens Trust, the W.R. Stephens, Jr. Trust, W.R.
              Stephens, Jr., Warren A. Stephens, the Elizabeth Ann Stephens
              Campbell Trust, Stephens Group, Inc. and the Bank of New York, as
              trustee.(1)
  10       -- Shareholders Agreement dated December 17, 1993 by and among First
              United, W.R. Stephens, Jr., the W.R. Stephens Trust, the W.R.
              Stephens Trust, Jackson T. Stephens, Warren A. Stephens and Elizabeth
              Ann Stephens Trust.(2)
  21       -- Subsidiaries of First United Bancshares, Inc.(2)
  23(a)    -- Consent of Arthur Andersen & Co.(1)
  23(b)    -- Consent of Martin and Company(1)
  24       -- Power of Attorney -- Signature Page of the Registration Statement(2)
  99(a)    -- First United Bancshares, Inc. Form of Proxy(1)
  99(b)    -- InvestArk Bankshares, Inc. Form of Proxy(1)
</TABLE>
    
 
- ---------------
 
   
(1) Filed herewith.
    
 
   
(2) As previously filed.
    

<PAGE>   1


   

                                                                     Exhibit 2
    
                      AGREEMENT AND PLAN OF REORGANIZATION

         This Agreement and Plan of Reorganization ("Agreement") is made as of
December 17, 1993 by and between First United Bancshares, Inc. ("United") and
InvestArk Bankshares, Inc. ("InvestArk").

         WHEREAS, InvestArk owns ninety nine and seven tenths percent (99.7%)
of the issued and outstanding shares of capital stock of The Bank of North
Arkansas, Melbourne, Arkansas ("North Arkansas") and one hundred percent (100%)
of the issued and outstanding shares of capital stock of First Stuttgart Bank &
Trust Company, Stuttgart, Arkansas ("First Bank"); and      

         WHEREAS, United desires to acquire one hundred percent (100%) of the
capital stock of InvestArk (the "InvestArk  Common Stock") upon the terms and
conditions hereinafter set forth through the merger of InvestArk with and into
United (the "Merger") pursuant to a Plan of Merger in substantially the form
attached hereto as Exhibit A (the "Plan of Merger"); and      

         WHEREAS, the respective Boards of Directors of United and InvestArk
believe that such proposed Merger and the exchange of shares of United Stock
(as defined in Section 2.01(a) hereof) for the InvestArk Common Stock, pursuant
and subject to the terms of this Agreement and the Plan of Merger (the "Merger
Agreements"), is desirable and in the best short-term and long-term interests
of their respective corporations and shareholders; and

         WHEREAS, United and InvestArk desire to make certain representations,
warranties and agreements in connection with the Merger and also to prescribe
various conditions to the Merger;

         NOW, THEREFORE, in consideration of the promises and the
representations, warranties and agreements herein contained, the parties hereto
agree as follows:

<PAGE>   2



                                   ARTICLE I

                                   The Merger

         1.01. The Merger.  Subject to the terms and conditions of this
Agreement, United and InvestArk agree to effect the Merger of InvestArk with
and into United in accordance with the Arkansas Business Corporation Act (the
"ABCA").

         1.02. Effective Time of the Merger.  Subject to the provisions of the
Merger Agreements, articles of merger (the "Articles of Merger") shall be duly
prepared and executed by United and InvestArk and thereafter delivered to the
Secretary of State of Arkansas for filing, as provided in the ABCA, as soon as
practicable on or after the Closing Date (as defined in Section 1.03).  The
Merger shall become effective upon the filing of the Articles of Merger with
the Secretary of State of Arkansas or at such time within two business days
thereafter as is provided in the Articles of Merger (the "Effective Time").

         1.03. Closing.  The closing of the Merger (the "Closing") will take
place at the offices of United at a time and on a date (the "Closing Date") to
be specified in writing by the parties as soon as reasonably practicable after
the later to occur of all regulatory and other approvals and the expiration of
all waiting periods.

                                   ARTICLE II

                              Effect of the Merger

         2.01. Effect on Common Stock.  As of the Effective Time, by virtue of
the Merger and without any action on the part of the holder of any shares of
InvestArk Common Stock, but subject to the rights of dissenting shareholders of
InvestArk:
         




                                       2

<PAGE>   3

                 (a)      Conversion of InvestArk Common Stock.  One hundred
percent of the issued and outstanding shares of InvestArk Common Stock shall be
converted into the right to receive an aggregate amount of fully paid and
nonassessable shares of voting common stock, $1.00 par value, of United
determined by dividing $26,125,000.00 by the United Average Price as defined
below. Notwithstanding the foregoing, the number of shares of United common
stock to be issued shall not be less than 885,593 and shall not be greater than
985,849. The number of shares of common stock of United so determined shall be
referred to as the United Stock. The United Average Price shall be the average
sales price per share of United common stock for all trades occurring during
the period of 10 trading days on which one or more trades actually takes place
and which ends immediately prior to the second trading day preceding the
Closing Date.  Each owner of InvestArk Common Stock shall be entitled to
receive a pro rata portion of the United Stock based upon each owner's pro rata
ownership of the total of outstanding shares of InvestArk Common Stock at the
Effective Time.  Fractional shares of United Stock shall not be issued.  Any
InvestArk shareholder entitled to receive a fractional share shall receive a
cash payment in lieu thereof equal to the value of the fractional share based
on the United Average Price.

                 (b)      Cancellation of Shares.  All shares of InvestArk
Common Stock issued and outstanding immediately prior to the Effective Time
shall no longer be outstanding and shall automatically be cancelled and retired
and shall cease to exist, and each holder of a certificate representing any
such shares shall cease to have any rights with respect thereto, except the
right to receive a pro rata number of shares of United Stock to be issued in
consideration therefor upon the surrender of such certificate in accordance
with the Plan of Merger.

                 (c)      Anti-Dilution.  If prior to the Effective Time United
shall declare a stock            





                                       3

<PAGE>   4
dividend or subdivide, split up, reclassify or combine its shares of United
common stock or make a distribution on United common stock of any security,
appropriate adjustment or adjustments will be made in the conversion rate set
forth in subsection (a).

                 (d)      Registration.  The United Stock shall when issued be
subject to and covered by an effective registration statement as filed under
the Securities Act of 1933 (the "Securities Act") and such issuance shall
comply with any applicable state "Blue Sky" laws.

                 (e)      Termination of 401(k) Plan and Pension Plan. United
shall have no liability to employees or directors of InvestArk, North Arkansas
or First Bank for benefits of such employees or directors of InvestArk, North
Arkansas or First Bank under the North Arkansas 401(k) plan or the First Bank
pension plan.  On or before the Closing Date, InvestArk shall and shall cause
North Arkansas and First Bank to take all action necessary and appropriate to
provide for termination of said plans and distribution of accrued benefits as
of June 30, 1994. Such action shall specifically include, without limitation,
entering into written agreements, in a form and for amounts satisfactory to
United, with all participants in and beneficiaries of said plans in which each
plan participant and beneficiary agrees (1) to accept such distribution in full
satisfaction of all benefits due and rights under said plans; (2) that the
participant's or beneficiary's distribution is equal to the present value of
said participant's or beneficiary's benefits due or rights under the plans, and
(4) to release InvestArk, North Arkansas and First Bank from any further
liability or obligation under said 401(k) or pension plan.
                 
         2.02    Approval By Shareholders.  Consummation of the Merger shall be
contingent upon its approval by the legally required votes of the shares of
InvestArk Common Stock and United common stock at shareholders meetings duly
called for the purpose of voting on the Merger. In the





                                       4

<PAGE>   5
event the number of shares owned by InvestArk shareholders exercising
dissenters' rights would or could, in the written opinion of United's outside
accountants, reasonably be expected to cause the cash consideration paid by
United to dissenters to jeopardize United's ability to account for the Merger
as a pooling of interests then United shall have the right to terminate this
Agreement.  The Boards of Directors of InvestArk and United shall recommend
approval of the Merger to their respective shareholders, unless such
recommendation is inconsistent with their fiduciary duties to the shareholders.

                                  ARTICLE III

                         Representations and Warranties

                                  of InvestArk

         InvestArk hereby represents and warrants to United the following:

         3.01. Organization, Standing and Power of InvestArk.  InvestArk is a
corporation duly organized, validly existing and in good standing under the
laws of the State of Arkansas and has all requisite corporate power and
authority to own, lease and operate its properties and to carry on its business
as now being conducted, except where the failure to have such power or
authority would not have a material adverse effect on the business, operations
or financial condition of InvestArk or any InvestArk Subsidiary (as hereinafter
defined).  InvestArk is not qualified to do business in any other state or
foreign jurisdiction, and its ownership or leasing of property or the conduct
of its business does not require it to be so qualified, except where such
failure to be so qualified would not have a material adverse effect on the
business, operations or financial condition of InvestArk or any InvestArk
Subsidiary.  InvestArk is registered as a bank





                                       5

<PAGE>   6
holding company with the Federal Reserve Board under the Bank Holding Company
Act of 1956, as amended (the "BHC Act").  InvestArk has delivered to United
true, accurate and complete copies of its currently effective Articles of
Incorporation and Bylaws, including all amendments thereto.

         3.02. Ownership, Organization, Standing and Power of InvestArk
Subsidiaries.   InvestArk directly and beneficially owns all of the shares of
the outstanding capital stock of First Bank and 99.7% of the outstanding
capital stock of North Arkansas.  North Arkansas and First Bank are hereinafter
called collectively the "InvestArk Subsidiaries" or individually an "InvestArk
Subsidiary". North Arkansas and First Bank are InvestArk's only subsidiaries. 
No equity securities of North Arkansas or First Bank are or may become required
to be issued by reason of any option, warrant, call, right or agreement of any
character whatsoever; there are outstanding no securities or rights convertible
into or exchangeable for shares of any capital stock of North Arkansas or First
Bank; and there are no other contracts, commitments, understandings or
arrangements by which either North Arkansas or First Bank is bound to issue
additional shares of its capital stock or options, warrants, calls, rights or
agreements to purchase or acquire any additional shares of its capital stock.
All of the shares of capital stock of North Arkansas and First Bank owned by
InvestArk are fully paid and nonassessable and are owned free and clear of any
claim, lien, encumbrance or agreement with respect thereto.  North Arkansas and
First Bank are banking associations duly organized, validly existing and in
good standing under the laws of Arkansas, and have the corporate power and
authority to own or lease their properties and assets and to carry on their
businesses as they are now being conducted, except where the failure to have
such power or authority would not have a material adverse effect on the
business, operations or financial condition of North Arkansas, or First Bank.
The deposits of North Arkansas and First Bank are insured by the Federal
Deposit Insurance



         

                                       6

<PAGE>   7
Corporation ("FDIC") to the extent provided by law.  InvestArk has delivered to
United true, accurate and complete copies of the currently effective Articles
of Incorporation and Bylaws of North Arkansas and First Bank, including all
amendments thereto.  Except for $406,000.00 in capital stock of the Federal
Home Loan Bank of Dallas owned by First Bank and except for securities held in
their capacities as fiduciaries, North Arkansas and First Bank do not own
beneficially, directly or indirectly, any class of equity securities,
partnership interests or similar interests of any corporation, bank,
partnership, limited partnership, business trust, association or similar
organization.  The authorized capital stock of North Arkansas consists of
100,000 shares of common stock, $25.00 par value, of which 80,000 shares are
outstanding.  Of the outstanding shares, 79,762 are owned by InvestArk and 238
are owned by others. The authorized capital stock of First Bank consists of
110,000 shares of common stock, $10.00 par value, of which 110,000 shares are
outstanding and are owned by InvestArk. North Arkansas and First Bank or their
predecessor banks have been chartered as  banking institutions for more than 10
years.

         3.03. Capital Structure of InvestArk.  The authorized capital stock of
InvestArk consists of 5,000,000 shares of common stock, $10.00 par value, of
which 219,626 shares are outstanding, including 3,162 shares held by InvestArk
in its treasury.  Neither InvestArk, North Arkansas nor First Bank has issued
and has outstanding bonds, debentures, notes or other indebtedness having the
right to vote (or convertible into securities having the right to vote) on any
matters on which shareholders may vote ("Voting Debt").  All outstanding shares
of InvestArk Common Stock are validly issued, fully paid, nonassessable, and
not subject to preemptive rights.  There are no options, warrants, calls,
rights, or agreements of any character whatsoever to which InvestArk, North
Arkansas or First Bank is a party or by which InvestArk, North Arkansas or
First Bank is obligated





                                       7

<PAGE>   8
to issue, deliver or sell, or cause to be issued, delivered or sold, additional
shares of capital stock or any voting debt securities or by which InvestArk,
North Arkansas or First Bank is obligated to grant, extend or enter into any
such option, warrant, call, right or agreement. Immediately before and after
the Effective Time there will be no option, warrant, call, right or agreement
obligating InvestArk, North Arkansas or First Bank to issue, deliver or sell,
or cause to be issued, delivered or sold, any shares of capital stock or
obligating InvestArk, North Arkansas or First Bank to grant, extend or enter
into any such option, warrant, call, right or agreement.

         3.04. Authority.  InvestArk has all requisite corporate power and
authority to enter into this Agreement and the Plan of Merger and, subject only
to approval of this Agreement and the Plan of Merger by the shareholders of
InvestArk and of applicable regulatory authorities, to consummate the
transactions contemplated hereby and thereby.  The execution and delivery of
this Agreement and the Plan of Merger and the consummation of the transactions
contemplated hereby and thereby have been duly authorized by all necessary
corporate action on the part of InvestArk's board of directors  This Agreement
and the Plan of Merger have been duly executed and delivered by InvestArk, and,
subject to such shareholder approval, each constitutes a valid and binding
obligation of InvestArk enforceable in accordance with its terms, except as the
enforceability of the Agreement may be subject to or limited by bankruptcy,
insolvency, reorganization, arrangement, moratorium or other similar laws
relating to or affecting the rights of creditors and by general principles of
equity (regardless of whether such enforceability is considered in a proceeding
in equity or at law). The execution and delivery of this Agreement and the Plan
of Merger do not, and the consummation of the transactions contemplated hereby
and thereby will not, conflict with, or result in any violation of, or default
(with or without notice or lapse of time, or both) under, or give rise to a
right of

         



                                       8

<PAGE>   9
termination, cancellation or acceleration of any obligation or the loss of a
material benefit under, or the creation of a lien, pledge, security interest or
other encumbrance on assets (any such conflict, violation, default, right of
termination, cancellation or acceleration loss or creation, a "Violation"),
pursuant to any provision of (a) the Articles of Incorporation or Bylaws of
InvestArk, North Arkansas or First Bank or (b) any loan or credit agreement,
note, mortgage, indenture, lease, or other agreement, obligation, instrument,
permit, concession, franchise, license, judgment, order, decree, statute, law,
ordinance, rule or regulation applicable to InvestArk, North Arkansas or First
Bank or their respective properties or assets, except where such violation
would not have a material adverse effect on the business, operations or
financial condition of InvestArk or any InvestArk Subsidiary. Other than in
connection or in compliance with the provisions of the ABCA, the Securities Act
and the regulations thereunder, the Securities and Exchange Act of 1934, as
amended, and the rules and regulations thereunder (the "Exchange Act"), the
securities or blue sky laws of the various states, and consents,
authorizations, approvals, notices or exemptions required under the BHC Act,
the National Bank Act, Arkansas banking laws, and from other regulatory
agencies, no consent, approval, order or authorization of, or registration,
declaration or filing with, any court, administrative agency or commission or
other governmental authority or instrumentality, domestic or foreign (a
"Governmental Entity"), is required by or with respect to InvestArk, North
Arkansas or First Bank in connection with the execution and delivery of this
Agreement and the Plan of Merger by InvestArk or the consummation by InvestArk
of the transactions contemplated hereby and thereby.

         3.05. InvestArk Financial Statements.  (a) The (i) consolidated
balance sheets of InvestArk as of December 31, 1992 and the related
consolidated statements of income, consolidated statements
         




                                       9

<PAGE>   10
of cash flows and consolidated statements of shareholders equity for the twelve
months ended December 31, 1992 certified by Martin and Company, (ii)
consolidated balance sheets of InvestArk as of December 31, 1991 and the
related consolidated statements of income, consolidated statements of cash
flows and consolidated statements of shareholders equity for the twelve months
ended December 31, 1991 certified by Martin and Company, (iii) the unaudited
compilations of the consolidated balance sheets of InvestArk as of September
30, 1993 and the related consolidated statements of income, consolidated
statements of cash flows and consolidated statements of shareholders equity for
the nine months ended September 30, 1993, and (iv) the internally prepared and
unaudited financial statements for North Arkansas and First Bank dated July 30,
1993, (items (i) - (iv) being called collectively the "InvestArk Financial
Statements"), copies of which have been furnished by InvestArk to United, have
been prepared in accordance with generally accepted accounting principles and
practices applied on a consistent basis throughout the periods involved (except
as otherwise noted therein and except for year-end adjustments of the unaudited
financial statements of a non-material nature), and except as reflected in
Section 5.05, present fairly the consolidated financial condition of InvestArk,
at the dates, and the consolidated results of operations and cash flows for the
periods, stated therein.  Neither InvestArk, North Arkansas nor First Bank has
any liability of any nature, whether direct, indirect, accrued, absolute,
contingent or otherwise, which is material to InvestArk, North Arkansas or
First Bank, except as provided for or disclosed in the InvestArk Financial
Statements and except for such of the following liabilities as are incurred in
the ordinary course of business:            

                 (i)      deposit liabilities and interest payable thereon,

                 (ii)     federal funds purchased and securities sold under
repurchase agreements and 




                                       10

<PAGE>   11
interest payable thereon,

                 (iii)    other short term borrowings,

                 (iv)     contingent liability upon negotiable instruments 
endorsed for the purpose of collection,

                 (v)      taxes,

                 (vi)     accounts payable of the operating business,

                 (vii)    salaries and benefits payable,

                 (viii)   unearned income and premiums,

                 (ix)     abandoned and garnished accounts, and

                 (x)      letters of credit and similar commitments.

                          (b)     Without limitation of the foregoing, 
InvestArk has no reserve allowance for self-insured health and dental benefit
claims and knows of no facts which should cause it to create such a reserve. 

         3.06. InvestArk Reports.  InvestArk, North Arkansas and First Bank
have filed all reports, registrations and statements, together with any
amendments required to be made with respect thereto, that were and are required
to be filed with (i) the Federal Reserve Board, (ii) the FDIC, (iii) the
Arkansas State Bank Department (the "ASBD") and (iv) any other applicable
securities, banking or regulatory authorities (all such reports and statements
are collectively referred to herein as the "InvestArk Reports"), except where
such failure to file would not have a material adverse effect on the business
operations or financial condition of InvestArk or any InvestArk Subsidiary. The
InvestArk Reports complied in all material respects with all of the statutes,
rules and regulations enforced or promulgated by the regulatory authority with
which they were filed and did not contain
         




                                       11

<PAGE>   12
any untrue statement of a material fact or omit to state a material fact
required to be stated therein or necessary in order to make the statements
therein, in light of the circumstances under which they were made, not
misleading.

         3.07. Information Supplied.  None of the information supplied or to be
supplied by InvestArk for inclusion or incorporation by reference in any
document to be filed with the Securities and Exchange Commission, the Federal
Reserve Board, or any regulatory agency in connection with the transactions
contemplated hereby, contains or will contain any untrue statement of a
material fact or omit to state a material fact required to be stated therein in
order to make the statements therein, in light of the circumstances under which
they were made, not misleading.  InvestArk has made available to United all
financial and other information InvestArk reasonably believes necessary to
enable United to make informed judgments concerning the state of the financial
and other conditions and affairs of InvestArk, North Arkansas and First Bank. 
   

         3.08. Authorizations; Compliance with Applicable Laws.  InvestArk,
North Arkansas and First Bank hold all authorizations, permits, licenses,
variances, exemptions, orders and approvals of all Governmental Entities which
are material to the operations of the businesses of InvestArk, North Arkansas
or First Bank (the "InvestArk Permits"), including appropriate authorizations
from the ASBD.  InvestArk, North Arkansas and First Bank are in compliance with
the terms of the InvestArk Permits, except where the failure so to comply would
not have a material adverse effect on InvestArk, North Arkansas or First Bank. 
The businesses of InvestArk, North Arkansas and First Bank are not being
conducted in violation of any federal, state or local law, statute, ordinance
or regulation of any Governmental Entity (collectively "Laws"), including,
without limitation, Regulation O of the Federal Reserve Board, except for
possible violations which individually or in





                                       12

<PAGE>   13
the aggregate do not and, insofar as reasonably can be foreseen, in the future
will not, have a material adverse effect on InvestArk, North Arkansas or First
Bank.  Except for the inquiry by the Federal Reserve Board ("FRB") under
Sections 23A and 23B of the Federal Reserve Act as disclosed in Exhibit 3.08,
no investigation or review by any Governmental Entity with respect to
InvestArk, North Arkansas or First Bank is pending or, to the best of their
knowledge,  threatened, nor has any Governmental Entity indicated an intention
to conduct the same.  Without limiting the foregoing, there have been no acts
or omissions occurring on or with respect to real estate currently or
previously owned, leased or otherwise used in the ordinary course of business
by InvestArk, North Arkansas or First Bank, or to the best of their knowledge
in which InvestArk, North Arkansas or First Bank has or had an investment or
security interest (by mortgage, deed of trust, or otherwise), including,
without limitation, properties under foreclosure, properties held by InvestArk,
North Arkansas or First Bank in its capacity as a trustee, or properties in
which any venture capital or similar unit of InvestArk, North Arkansas or First
Bank has or had an interest (the "InvestArk Property"), which constitute or
result, or may have constituted or resulted, in the creation of any federal,
state or common law nuisance (whether or not the nuisance condition is, or was,
foreseen or unforeseen) or which do not comply or have not complied with
federal, state or local environmental laws including, without limitation, the
Clean Water Act, the Clean Air Act, the Resource Conservation and Recovery Act,
the Toxic Substances Control Act and the Comprehensive Environmental, Response,
Compensation and Liability Act, as amended, and their state and local law
counterparts, all rules and regulations promulgated thereunder and all other
legal requirements associated with the ownership and use of the InvestArk
Property (collectively, "Environmental Laws"), and as a result of which acts or
omissions InvestArk, North Arkansas or First Bank is





                                       13

<PAGE>   14
subject to or reasonably likely to incur a material liability or suffer a
diminution in value of any interest exceeding $100,000.00.  Neither InvestArk,
North Arkansas nor First Bank is subject to or reasonably likely to incur a
material liability or suffer a diminution in value of any interest exceeding
$100,000.00 as a result of its ownership, lease, operation, or use of any
InvestArk Property or as a result of its investment or security interest (as
described above) in any InvestArk Property (a) that is contaminated by or
contains any hazardous waste, toxic substances or related materials, including
without limitation asbestos, PCBs, pesticides, herbicides, petroleum products,
substances defined as "hazardous substances" or "toxic substances" in the
Environmental Laws, and any other substances or waste that is hazardous to
human health or the environment (collectively, "Toxic Substances"), or (b) on
which any Toxic Substance has been stored, disposed of, placed, or used in the
construction thereof.  No claim, action, suit or proceeding is pending against
InvestArk, North Arkansas or First Bank relating to the InvestArk Property
before any court or other governmental authority or arbitration tribunal
relating to Toxic Substances, pollution or the environment, and there is no
outstanding judgment, order, writ, injunction, decree, or award against or
affecting InvestArk, North Arkansas or First Bank with respect thereto.

         3.09. Litigation and Claims.  Except as disclosed in Exhibit 3.08 and
3.09  (a) neither InvestArk, North Arkansas nor First Bank is subject to any
continuing order of, or written agreement or memorandum of understanding with,
or continuing material investigation by, any federal or state banking or
insurance authority or other Governmental Entity, or any judgment, order, writ,
injunction, decree or award of any Governmental Entity or arbitrator,
including, without limitation, cease-and-desist or other orders of any bank
regulatory authority, (b) there is no claim of any kind, action, suit,
litigation, proceeding, arbitration, investigation, or controversy affecting
InvestArk,





                                       14

<PAGE>   15
North Arkansas or First Bank pending or, to the best of their knowledge,
threatened, which will have or can reasonably be expected to have a material
adverse effect on InvestArk, North Arkansas or First Bank and (c) there are no
uncured material violations, or violations with respect to which material
refunds or restitutions may be required, cited in any compliance report to
InvestArk, North Arkansas or First Bank as a result of the examination by any
bank regulatory authority.

         3.10. Taxes.  InvestArk, North Arkansas and First Bank have filed all
tax returns required to be filed by them and have paid or have set up an
adequate reserve for the payment of, all taxes required to be paid as shown on
such returns, and the most recent InvestArk Financial Statements reflect an
adequate reserve for all taxes payable by InvestArk, North Arkansas and First
Bank accrued through the date of such financial statements.  There has been no
examination by the United States Internal Revenue Service ("IRS") of InvestArk,
North Arkansas or First Bank for over seven years. There is no examination
pending by the IRS with respect to InvestArk, North Arkansas or First Bank,
neither InvestArk, North Arkansas nor First Bank has executed or filed with the
IRS any agreement which is still in effect extending the period for assessment
and collection of any federal tax, and there are no existing material disputes
as to federal, state, or local taxes due from InvestArk, North Arkansas or
First Bank.  There are no material liens for taxes upon the assets of
InvestArk, North Arkansas or First Bank, except for statutory liens for taxes
not yet delinquent.  Neither InvestArk, North Arkansas nor First Bank is a
party to any action or proceeding by any governmental authority for assessment
and collection of taxes, and no claim for assessment and collection of taxes
has been asserted against any of them. For the purpose of this Agreement, the
term "tax" (including, with correlative meaning, the terms "taxes" and
"taxable") shall include all federal, state, and local income, profits,
franchise, gross receipts, payroll, sales, employment, use,





                                       15

<PAGE>   16
personal and real property, withholding, excise and other taxes, duties or
assessments of any nature whatsoever, together with all interest, penalties and
additions imposed with respect to such amounts. InvestArk, North Arkansas and
First Bank have withheld from their employees and timely paid to the
appropriate governmental agency proper and accurate amounts for all periods
through the date hereof in material compliance with all tax withholding
provisions of applicable federal, state, and local laws (including without
limitation income, social security and employment tax withholding for all types
of compensation).

         3.11. Certain Agreements.  Except as disclosed in Exhibit 3.11,
neither InvestArk, North Arkansas nor First Bank is a party to any (i)
consulting, professional services , employment or other agreement not
terminable at will providing any term of employment, compensation, guarantee,
or severance or supplemental retirement benefit, (ii) union, guild or
collective bargaining agreement, (iii) agreement or plan, any of the benefits
of which will be increased, or the vesting of the benefits of which will be
accelerated, by the occurrence of any of the transactions contemplated by this
Agreement or the value of any of the benefits of which will be calculated on
the basis of the transactions contemplated by this Agreement, (iv) any stock
option plan, stock appreciation rights plan, restricted stock plan, stock
purchase plan or similar plan granting rights to acquire stock in InvestArk,
North Arkansas or First Bank, or (v) contract containing covenants which limit
the ability of InvestArk, North Arkansas or First Bank to compete in any line
of business or with any person or which involve any restriction of the
geographical area in which, or method by which, InvestArk, North Arkansas or
First Bank may carry on its business (other than as may be required by law or
applicable regulatory authorities).  InvestArk, North Arkansas and First Bank
shall terminate all existing consulting, professional services and employment
contracts, other than at will





                                       16

<PAGE>   17
employment contracts, and those agreements set forth in Exhibit 3.11, by no
later than the Closing Date.

         3.12. Benefit Plans.  (a) Exhibit 3.12 hereto lists (i) each employee
bonus, incentive, deferred compensation, stock purchase, stock appreciation
right, stock option and severance pay plan, (ii) each pension, profit sharing,
stock bonus, thrift, savings and employee stock ownership plan, and (iii) every
other employee benefit plan (within the meaning of Section 3(3) of the Employee
Retirement Income Security Act of 1974, as amended ("ERISA") (collectively
"Benefit Plans"), which InvestArk, North Arkansas or First Bank maintains or to
which InvestArk, North Arkansas or First Bank contributes on behalf of current
or former employees.  All of the plans and programs listed in Exhibit 3.12
(collectively, "InvestArk Benefit Plans") comply in all material respects with
all applicable requirements of ERISA and all other applicable federal and state
laws, including without limitation the reporting and disclosure requirements of
Part 1 of Title I of ERISA. With respect to the InvestArk Benefit Plans,
individually and in the aggregate, no event has occurred, and there exists no
condition or set of circumstances, in connection with which InvestArk, North
Arkansas or First Bank could be subject to any liability that is reasonably
likely to have a material adverse effect upon InvestArk, North Arkansas or
First Bank (except liability for benefits claims and funding obligations
payable in the ordinary course) under ERISA, the Code or any other applicable
law.  Each of the InvestArk Benefit Plans that is intended to be a pension,
profit sharing, stock bonus, thrift, savings or employee stock ownership plan
that is qualified under Section 401(a) of the Internal Revenue Code of 1986, as
amended (the "Code"), has been determined by the IRS to qualify under Section
401(a) of the Code, or an application for the determination of such
qualification will be made to the IRS under Section 401(b) of the Code and the
regulations





                                       17

<PAGE>   18
thereunder, and there exist no circumstances that would materially adversely
affect the qualified status of any such InvestArk Benefit Plan under that
section.  Each InvestArk Benefit Plan that is a defined benefit pension plan
has assets with an aggregate value that exceeds the actuarially present value
of its liability for accrued benefits as determined on the basis of the
actuarial assumptions used for the most recent actuarial valuation of such
Plan, no such Plan has incurred an accumulated funding deficiency within the
meaning of Section 412(a) of the Code, and no such Plan is a "multi-employer
plan" within the meaning of Section 3(37) of ERISA.  There is no pending or, to
the best of InvestArk's knowledge, threatened litigation, governmental
proceeding or investigation against or relating to any InvestArk Benefit Plan,
and there is no reasonable basis for any material proceedings, claims, actions
or proceedings against any Plan.  No "reportable event" (as defined in Section
4043(b) of ERISA) (other than a "reportable event" for which the 30-day notice
requirement has been waived by the Pension Benefit Guaranty Corporation) has
occurred with respect to any InvestArk Benefit Plan, and no InvestArk Benefit
Plan has engaged in a "prohibited transaction" (as defined in Section 406 of
ERISA and Section 4975(c) of the Code) since the date on which said sections
became applicable to such Plan which could reasonably result in a material
liability.

               (b)     InvestArk has delivered to United copies of (i) each
InvestArk Benefit Plan, (ii) the most recent summary plan descriptions of each
InvestArk Benefit Plan, (iii) each trust agreement, insurance policy or other
instrument relating to the funding of any InvestArk Benefit Plan, (iv) the most
recent Annual Reports (Form 5500 series) and accompanying schedules filed with
the IRS or United States Department of Labor with respect to each InvestArk
Benefit Plan, (v) the most recent determination letter issued by the IRS with
respect to each InvestArk Benefit Plan that is intended to qualify under
Section 401 of the Code, (vi) the most recent available financial





                                       18

<PAGE>   19
statements for each InvestArk Benefit Plan that has assets, (vii) the most
recent actuarial report for any InvestArk Benefit Plan that is a defined
benefit pension plan, and if any such Plan was amended subsequent to the date
of such report, information about the financial effects of such amendment and
(viii) the most recent audited financial statements for each InvestArk Benefit
Plan for which audited financial statements are required by ERISA.

         3.13. Insurance.  InvestArk has delivered to United correct and
complete copies of all material policies of insurance of InvestArk, North
Arkansas and First Bank currently in effect, including, but not limited to,
directors and officers liability policies and blanket bond policies. Neither
InvestArk, North Arkansas nor First Bank has any liability for unpaid premiums
or premium adjustments not properly reflected on the InvestArk Financial
Statements.

         3.14. Conduct of InvestArk to Date.  Except as contemplated by this
Agreement and the Plan of Merger, from and after December 31, 1992 through the
date of this Agreement: (a) other than the conversion of First Bank to a state
bank, InvestArk, North Arkansas and First Bank have carried on their respective
businesses in the ordinary and usual course consistent with past practices, (b)
InvestArk, North Arkansas and First Bank have not issued or sold any capital
stock or issued or sold any corporate debt securities which would be classified
as long term debt on the balance sheet of InvestArk, North Arkansas or First
Bank, (c) InvestArk, North Arkansas and First Bank have not granted any option
for the purchase of capital stock (except as referred to in Section 3.03),
effected any stock split, or otherwise changed their capitalization, (d)
InvestArk has not declared, set aside, or paid any cash or stock dividend or
other distribution in respect to its capital stock except for usual quarterly
cash dividends of 20 cents per share for the first and second quarters of 1993
and 25 cents per share for the third quarter of 1993; the dividend declared but
not yet paid for the fourth quarter





                                       19

<PAGE>   20
shall be 50 cents per share, (e) neither InvestArk, North Arkansas nor First
Bank has incurred any material obligation or liability (absolute or
contingent), except normal trade or business obligations or liabilities
incurred in the ordinary course of business, except as set forth on Exhibit
3.11 or in conjunction with this Agreement, or mortgaged, pledged, or subjected
to lien, claim, security interest, charge, encumbrance or restriction any of
its assets or properties, (f) neither InvestArk, North Arkansas nor First Bank
has discharged or satisfied any material lien, mortgage, pledge, claim,
security interest, charges, encumbrance, or restriction or paid any material
obligation or liability (absolute or contingent), other than in the ordinary
course of business, (g) neither InvestArk, North Arkansas nor First Bank has
since September 30, 1993, sold, assigned, transferred, leased, exchanged, or
otherwise disposed of any of its properties or assets other than for a fair
consideration in the ordinary course of business, (h) except as set forth in
Exhibit 3.14(h), neither InvestArk, North Arkansas nor First Bank has increased
the rate of compensation of, or paid any bonus to, any of its directors,
officers, or other employees, except merit or promotion increases (including
bonuses paid in January, 1993) in accordance with existing policy; entered into
any new, or amended or supplemented any existing, employment, management,
consulting, deferred compensation, severance, or other similar contract;
adopted, entered into, terminated, amended or modified any InvestArk Benefit
Plan in respect of any of present or former directors, officers or other
employees; or agreed to do any of the foregoing, (i) neither InvestArk, North
Arkansas nor First Bank has suffered any material damage, destruction, or loss,
whether as the result of flood, fire, explosion, earthquake, accident,
casualty, labor trouble, requisition or taking of property by any government or
any agency of any government, windstorm, embargo, riot, act of God, or other
similar or dissimilar casualty or event or otherwise, whether or not covered by
insurance, (j) neither





                                       20

<PAGE>   21
InvestArk, North Arkansas nor First Bank has cancelled or compromised any debt
to an extent exceeding $50,000.00 owed to InvestArk, North Arkansas or First
Bank or claim to an extent exceeding $50,000.00 asserted by InvestArk, North
Arkansas or First Bank, (k) neither InvestArk, North Arkansas nor First Bank
has entered into any transaction, contract, or commitment outside the ordinary
course of its business, other than the conversion of First Bank from a national
banking association to a state chartered bank, (1) neither InvestArk, North
Arkansas nor First Bank has entered, or agreed to enter, into any agreement or
arrangement granting any preferential right to purchase any of its material
assets, properties or rights or requiring the consent of any party to the
transfer and assignment of any such material assets, properties or rights, (m)
there has not been any change in the method of accounting or accounting
practices of InvestArk, North Arkansas and First Bank, and (n) InvestArk, North
Arkansas and First Bank have kept all records substantially in accordance with
all regulatory and statutory requirements and substantially in accordance with
industry standards specified by the American Bankers Association, and have
retained such records for the periods required by statute, regulation or
American Bankers Association industry standards.

         3.15. Material Adverse Change.  Since December 31, 1992, there has
been no material adverse change in the financial condition, results of
operations or business of InvestArk, North Arkansas or First Bank.

         3.16. Properties, Leases and Other Agreements.  Except (i) with
respect to debts reflected in the InvestArk Financial Statements, (ii) for any
lien for current taxes not yet delinquent, (iii) for pledges to secure deposits
and (iv) for such other liens, security interests, claims, charges, options or
other encumbrances and imperfections of title which do not materially affect
the value or interfere with or impair the present and continued use of personal
or real property reflected in the InvestArk





                                       21

<PAGE>   22
Financial Statements or acquired since the date of such Statements, InvestArk,
North Arkansas and First Bank have good title, free and clear of any liens,
security interests, claims, charges, options or other encumbrances to all of
the personal and real property reflected in the InvestArk Financial Statements,
and all personal and real property acquired since the date of such InvestArk
Financial Statements, except such personal and real property as has been
disposed of in the ordinary course of business.  Substantially all of the
buildings and equipment in regular use by InvestArk, North Arkansas and First
Bank have been reasonably maintained and are in good and serviceable condition,
reasonable wear and tear excepted.  All leases material to InvestArk, North
Arkansas and First Bank pursuant to which InvestArk, North Arkansas or First
Bank, as lessee, leases real or personal property are valid and effective in
accordance with their respective terms and there is not, under any of such
leases, any material existing default by InvestArk, North Arkansas or First
Bank, or any other party thereto, or any event which with notice or lapse of
time or both would constitute such a material default.  No options to renew
said leases have lapsed and the terms of the leases govern the rights of the
respective landlords of InvestArk, North Arkansas and First Bank.

         3.17. Accounting.  Neither InvestArk nor any of its affiliates will
take any action that would, in the reasonable opinion of United, prevent the
Merger from qualifying for pooling of interests accounting treatment.

         3.18. No Untrue Statements.  No representation or warranty hereunder
or information contained in any financial statement or any other document
delivered to United pursuant to this Agreement contains any untrue statement of
a material fact or omits to state a material fact necessary to make the
statements contained herein or therein not misleading.

         3.19. Proper Documentation.  With respect to all loans to borrowers
which are payable to





                                       22

<PAGE>   23
InvestArk, North Arkansas or First Bank either directly or as a participant and
except for such imperfections in documentation which when considered as a whole
would not have a net adverse effect on the business, operations or financial
condition of either InvestArk, North Arkansas or First Bank in excess of
$100,000.00:

                 (a)      All loans were made for good, valuable and adequate
consideration in the normal and ordinary course of business, and the notes and
other evidences of indebtedness and any loan agreements or security documents
executed in connection therewith are true and genuine and constitute the valid
and legally binding obligations of the borrowers to whom the loans were made
and are legally enforceable against such borrowers in accordance with their
terms subject to applicable bankruptcy, insolvency, reorganization, moratorium,
and similar debtor relief laws from time to time in effect, as well as general
principles of equity applied by a court of proper jurisdiction (regardless of
whether such enforceability is considered in a proceeding in equity or at law);

                 (b)      The amounts represented to United as the balances
owing on the loans are the correct amounts actually and unconditionally owing,
are undisputed, and are not subject to any  offsets, credits, deductions or
counterclaims;

                 (c)      The collateral securing each loan as referenced in a
loan officer worksheet, loan summary report or similar interoffice loan
documentation is in fact the collateral held by InvestArk, North Arkansas or
First Bank to secure each loan;

                 (d)      InvestArk, North Arkansas or First Bank has
possession of all loan document files and credit files for all loans held by
them containing promissory notes and other





                                       23

<PAGE>   24
relevant evidences of indebtedness with original signatures of their borrowers
and guarantors;

                 (e)      InvestArk, North Arkansas and First Bank hold validly
perfected liens or security interests in the collateral granted to them to
secure all loans as referenced in the loan officer worksheets, loan summary
reports or similar interoffice loan documentation and the loan or credit files
contain the original security agreements, mortgages, or other lien creation and
perfection documents unless originals of such documents are filed of public
record;

                 (f)      Each lien or security interest of InvestArk, North
Arkansas or First Bank in the collateral held for each loan is properly
perfected in the priority described as being held by InvestArk, North Arkansas
or First Bank  in the loan officer worksheets, loan summary reports or similar
interoffice loan documentation contained in the loan document or credit files;

                 (g)      InvestArk, North Arkansas and First Bank are in
possession of all collateral that the loan document files or credit files
indicate they have in their possession;

                 (h)      All guaranties granted to InvestArk, North Arkansas
and First Bank to insure payment of loans constitute the valid and legally
binding obligations of the guarantors and are enforceable in accordance with
their terms, subject to applicable bankruptcy, insolvency, reorganization,
moratorium, and similar debtor relief laws from time to time in effect, as well
as general principles of equity applied by a court of proper jurisdiction
(regardless of whether such enforceability is considered in a proceeding in
equity or at law);

                 (i)      With respect to any loans in which InvestArk, North
Arkansas and First Bank





                                       24

<PAGE>   25
         have sold participation interests to another bank or other
         financial institution, none of the buyers of such participation
         interests are in default under any participation agreements.

         3.20. Not in Default.  Neither InvestArk, North Arkansas  nor First
Bank is in default under any material agreement, ordinance, resolution, decree,
bond, note, indenture, order or judgment to which it is a party, by which it is
bound, or to which its properties or assets are subject.

                                   ARTICLE IV

                    Representations and Warranties of United

         United hereby represents and warrants to InvestArk and Sellers as
follows:

         4.01. Organization, Standing and Power.  United is a corporation duly
organized, validly existing and in good standing under the laws of the State of
Arkansas and has all requisite corporate power and authority to own, lease and
operate its properties and to carry on its business as now being conducted,
except where the failure to have such power or authority would not have a
material adverse effect on the business, operations or financial condition of
United and its subsidiaries. United is registered as a bank holding company
with the Federal Reserve Board under the BHC Act.

         4.02. Authority.  Subject to the approval of this Agreement and the
Plan of Merger by the shareholders of United and of applicable regulatory
authorities, United has all requisite corporate power and authority to enter
into this Agreement and the Plan of Merger and to consummate the transactions
contemplated hereby and thereby. The execution and delivery of this Agreement
and the Plan of Merger and the consummation of the transactions contemplated
hereby and thereby have been duly authorized by all necessary corporate action
on the part of United's board of directors. This Agreement and the Plan of
Merger have been duly executed and delivered by United, and,





                                       25

<PAGE>   26
subject to such shareholder and regulatory approval, each constitutes a valid
and binding obligation of United enforceable in accordance with its terms,
except as the enforceability of the Agreement may be subject to or limited by
bankruptcy, insolvency, reorganization, arrangement, moratorium or other
similar laws relating to or affecting the rights of creditors.  The execution
and delivery of this Agreement and the Plan of Merger do not, and the
consummation of the transactions contemplated hereby and thereby will not,
result in any Violation pursuant to any provision of the Articles of
Incorporation or Bylaws of United or any of its subsidiaries or result in any
Violation of any loan or credit agreement, note, mortgage, indenture, lease, or
other agreement, obligation, instrument, permit, concession, franchise,
license, judgment, order, decree, statute, law, ordinance, rule or regulation
applicable to United or any of its subsidiaries or their respective properties
or assets.  Other than in connection or in compliance with the provisions of
the ABCA, the Securities Act, the Exchange Act, the securities or blue sky laws
of the various states, and consents, authorizations, approvals, notices or
exemptions required under the BHC Act, the National Bank Act, Arkansas banking
laws, and from other regulatory authorities, no consent, approval, order or
authorization of, or registration, declaration or filing with, any Governmental
Entity is required by or with respect to United in connection with the
execution and delivery of this Agreement and the Plan of Merger by United or
the consummation by United of the transactions contemplated hereby and thereby,
the failure to obtain which would have a material adverse effect on United or
any United subsidiary.

         4.03. Capital Structure of United. The authorized capital stock of
United consists of 12,000,000 shares of common stock, $1.00 par value, of which
4,272,276 shares are outstanding. United has no issued and outstanding bonds,
debentures, notes or other indebtedness having the right





                                       26

<PAGE>   27
to vote (or convertible into securities having the right to vote) on any
matters on which shareholders may vote.  All outstanding shares of United
common stock are validly issued, fully paid, nonassessable, and not subject to
preemptive rights.  There are no options, warrants, calls, rights, or
agreements of any character whatsoever to which United is a party or by which
United is obligated to issue, deliver or sell, or cause to be issued, delivered
or sold, additional shares of capital stock or any voting debt securities or by
which United is obligated to grant, extend or enter into any such option,
warrant, call, right or agreement. Immediately before and after the Effective
Time there will be no option, warrant, call, right or agreement obligating
United to issue, deliver or sell, or cause to be issued, delivered or sold, any
shares of capital stock or obligating United to grant, extend or enter into any
such option, warrant, call, right or agreement.

         4.04. United Financial Statements.  (a) The (i) consolidated balance
sheets of United as of September 30, 1993 and the related consolidated
statements of income, consolidated statements of cash flows and consolidated
statements of shareholders equity for the nine months ended September 30, 1993
and (ii) consolidated balance sheets of United as of December 31, 1991 and
December 31, 1992 and the related consolidated statements of income,
consolidated statements of cash flows and consolidated statements of
shareholders equity for the twelve months ended December 31, 1991 and December
31, 1992, respectively, certified by Arthur Andersen & Company, (items (i) and
(ii) being called collectively the "United Financial Statements" copies of
which have been furnished by United to InvestArk, have been prepared in
accordance with generally accepted accounting principles and practices applied
on a consistent basis throughout the periods involved (except as other side
noted therein and except for year end adjustments of a non-material nature),
and present fairly the consolidated financial condition of United, at the
dates, and the consolidated results of operations





                                       27

<PAGE>   28
and cash flows for the periods, stated therein.  Neither United nor any United
subsidiary has any liability of any nature, whether direct, indirect, accrued,
absolute, contingent or otherwise, which is material to United, except as
provided for or disclosed in the United Financial Statements and except for
such of the following liabilities as are incurred in the ordinary course of
business:

                   (i)      deposit liabilities and interest payable thereon,

                   (ii)     federal funds purchased and securities sold under
repurchase agreements and interest payable thereon,

                   (iii)    other short term borrowings,

                   (iv)     contingent liability upon negotiable instruments
endorsed for the purpose of collection,

                   (v)      taxes,

                   (vi)     accounts payable of the operating business,

                   (vii)    salaries and benefits payable,

                   (viii)   unearned income and premiums,

                   (ix)     abandoned and garnished accounts, and

                   (x)      letters of credit and similar commitments.

         4.05. United Reports.  United and its subsidiaries have filed all
reports, registrations and statements, together with any amendments required to
be made with respect thereto, that were and are required to be filed with (i)
the FRB, (ii) the Office of the Comptroller of the Currency,, (iii) the FDIC,
(iv) the Arkansas State Bank Department (the "ASBD") and (v) any other
applicable securities, banking or regulatory authorities (all such reports and
statements are collectively referred to herein as the "United Reports") except
where such failure to file would not have a material





                                       28

<PAGE>   29
adverse effect on the business operations or financial condition of United. The
United Reports complied in all material respects with all of the statutes,
rules and regulations enforced or promulgated by the regulatory authority with
which they were filed and did not contain any untrue statement of a material
fact or omit to state a material fact required to be stated therein or
necessary in order to make the statements therein, in light of the
circumstances under which they were made, not misleading.

         4.06. Authorizations; Compliance with Applicable Laws.  United and its
subsidiaries hold all authorizations, permits, licenses, variances, exemptions,
orders and approvals of all Governmental Entities which are material to the
operations of the businesses of United and its subsidiaries (the "United
Permits").United and its subsidiaries are in compliance with the terms of the
United Permits, except where the failure to comply would not have a material
adverse effect on United.  The businesses of United and its subsidiaries are
not being conducted in violation of any federal, state or local law, statute,
ordinance or regulation of any Governmental Entity (collectively "Laws"),
including, without limitation, Regulation O of the FRB, except for possible
violations which individually or in the aggregate do not and, insofar as
reasonably can be foreseen, in the future will not, have a material adverse
effect on United.  No investigation or review by any Governmental Entity with
respect to United or its subsidiaries is pending or threatened, nor has any
Governmental Entity indicated an intention to conduct the same.  Without
limiting the foregoing, there have been no acts or omissions occurring on or
with respect to real estate currently or previously owned, leased or otherwise
used by United or any United subsidiary or in which United or any United
subsidiary has or had an investment or security interest (by mortgage, deed of
trust, or otherwise), including, without limitation, properties under
foreclosure, properties held by United





                                       29

<PAGE>   30
or a United subsidiary in its capacity as a trustee, or properties in which any
venture capital or similar unit of United or a United subsidiary has or had an
interest (the "United Property"), which constitute or result, or may have
constituted or resulted, in the creation of any federal, state or common law
nuisance (whether or not the nuisance condition is, or was, foreseen or
unforeseen) or which do not comply or have not complied with federal, state or
local Environmental Laws, and as a result of which acts or omissions United or
a United subsidiary is subject to or reasonably likely to incur a material
liability or suffer a diminution in value of any interest exceeding
$100,000.00. Neither United nor any United subsidiary is subject to or
reasonably likely to incur a material liability or suffer a  diminution in
value of any interest exceeding $100,000.00 as a result of its ownership,
lease, operation, or use of any United Property or as a result of its
investment or security interest (as described above) in any United Property (a)
that is contaminated by or contains any hazardous waste, toxic substances or
related materials, including without limitation asbestos, PCBs, pesticides,
herbicides, petroleum products, substances defined as "hazardous substances" or
"toxic substances" in the Environmental Laws, and any other substances or waste
that is hazardous to human health or the environment (collectively, "Toxic
Substances"), or (b) on which any Toxic Substance has been stored, disposed of,
placed, or used in the construction thereof.  No claim, action, suit or
proceeding is pending against United or any United subsidiary relating to the
United Property before any court or other governmental authority or arbitration
tribunal relating to Toxic Substances, pollution or the environment, and there
is no outstanding judgment, order, writ, injunction, decree, or award against
or affecting United or any United subsidiary with respect thereto.

         4.07. Litigation and Claims.  Except as disclosed in this Agreement 
(a) neither United nor





                                       30
<PAGE>   31
any United subsidiary is subject to any continuing order of, or written
agreement or memorandum of understanding with, or continuing material
investigation by, any federal or state banking or insurance authority or other
Governmental Entity, or any judgment, order, writ, injunction, decree or award
of any Governmental Entity or arbitrator, including, without limitation,
cease-and-desist or other orders of any bank regulatory authority, (b) there is
no claim of any kind, action, suit, litigation, proceeding, arbitration,
investigation, or controversy affecting United or any United subsidiary pending
or threatened, which will have or can reasonably be expected to have a material
adverse effect on United and (c) there are no uncured material violations, or
violations with respect to which material refunds or restitutions may be
required, cited in any compliance report to United or any United subsidiary as
a result of the examination by any bank regulatory authority.

         4.08. Material Adverse Change.  Since September 30, 1993, there has
been no material adverse change in the financial condition, results of 
operations or business of United.

         4.09. Not in Default.  Neither United nor any United subsidiary is in
default under any material agreement, ordinance, resolution, decree, bond,
note, indenture, order or judgment to which it is a party, by which it is
bound, or to which its properties or assets are subject.

                                   ARTICLE V

                             Covenants of InvestArk

         5.01. Affirmative Covenants.  InvestArk hereby covenants and agrees
with United that prior to the Effective Time, unless the prior written consent
of United shall have been obtained, and except as otherwise contemplated
herein, InvestArk will and InvestArk will cause North Arkansas and First Bank
to:

               (a)      operate their businesses only in the usual, regular and
ordinary course





                                       31
<PAGE>   32
consistent with past practices;

                 (b)      use reasonable efforts to preserve intact their
business organization and assets, maintain their rights and franchises, retain
the services of their officers and key employees (except that they shall have
the right to lawfully terminate the employment of any officer or key employee if
such termination is in accordance with InvestArk's existing employment
procedures) and maintain their relationships with customers;

                 (c)      use reasonable efforts to maintain and keep their
properties in as good repair and condition as at present, except for
depreciation due to ordinary wear and tear;

                 (d)      use reasonable efforts to keep in full force and
effect insurance and bonds comparable in amount and scope of coverage
to that now maintained; provided, however, that InvestArk shall not be required
to purchase insurance policies for directors' and officers'
liabilities;

                 (e)      perform in all material respects all obligations
required to be performed by them under all material contracts, leases, and
documents relating to or affecting their assets, properties, and business;

                 (f)      comply with and perform in all material respects all
obligations and duties imposed upon them by all Laws; and

                 (g)      give United notice of all boards of directors
meetings, allow United to have a non-voting representative at each such
meeting except to the extent that InvestArk's legal counsel advises the
directors that permitting United's presence would constitute a breach
of their fiduciary duties, and provide United with all written materials and
communications provided to the directors in connection with such
meetings.

         5.02.   Negative Covenants.  Except as specifically contemplated by 
this Agreement, from





                                       32
<PAGE>   33
the date hereof until the earlier of the termination of the Agreement
or the Effective Time, InvestArk shall not do, and InvestArk will cause North
Arkansas and First Bank not to do, without the prior written consent of United,
any of the following:

                 (a)      incur any material liabilities or material 
obligations, whether directly or by way of guaranty, including any obligation 
for borrowed money whether or not evidenced by a note, bond, debenture or 
similar instrument, except in the ordinary course of business consistent with 
past practice;

                 (b)      (i) except as disclosed in Exhibit 3.14(h), grant 
any bonuses or increase in compensation to their employees, officers or 
directors, (ii) effect any change in retirement or any other benefits to any 
class of employees or officers (unless any such change shall be required by 
this Agreement or applicable law) which would increase their retirement 
benefit liabilities, (iii) adopt, enter into, amend or modify any InvestArk 
Benefit Plan except as provided herein, (iv) terminate the employment or 
services of any director or officer, (vi) hire any officer or elect any new 
director, or (vii) fix the 1994 rate of compensation for Lloyd Jones, Cole 
Martin or Robert Koch;

                 (c)      declare or pay any dividend on, or make any other
distribution in respect of, their outstanding shares of capital stock, except 
dividends consistent with past dividend rates; provided, however, that 
InvestArk shall not declare or pay any dividends on its common stock in excess
of $1.05 per share paid and $1.15 per share declared in the fiscal year ending
December 31, 1993, and $0.25 per share for the first quarter of 1994, the 
50 cents per share dividend declared in the fourth quarter of 1994 being 
payable on January 4, 1994;

                 (d)      (i) redeem, purchase or otherwise acquire any shares
of their capital stock or any securities or obligations convertible into or 
exchangeable for any shares of their capital stock,





                                       33
<PAGE>   34
or any options, warrants, conversion or other rights to acquire any shares of
their capital stock or any such securities or obligations; (ii) merge with or 
into or consolidate with any other corporation or bank, or effect any 
reorganization or recapitalization; (iii) purchase or otherwise acquire any 
substantial portion of the assets or any class of stock, of any corporation, 
bank or other business; (iv) liquidate, sell, dispose of, or encumber any 
assets or acquire any assets, other than in the ordinary course of business 
consistent with past practice; or (v) split, combine or reclassify any of 
their capital or issue or authorize or propose the issuance of any other 
securities in respect of, in lieu of or in substitution for shares of their 
capital stock;

                 (e)      issue, deliver, award, grant or sell, or authorize or
propose the issuance, delivery, award, grant or sale of, any shares of their 
capital stock of any class (including shares held in treasury), any Voting 
Debt or any securities convertible into, or any rights, warrants or options 
to acquire, any such shares, Voting Debt or convertible securities;

                 (f)      except as may be required by applicable law, 
initiate, solicit or encourage (including by way of furnishing information or 
assistance), or take any other action to facilitate, any inquiries or the 
making of any proposal which constitutes, or may reasonably be expected to 
lead to, any Competing Transaction (as such term is defined below), or 
negotiate with any person in furtherance of such inquiries or to obtain a 
Competing Transaction, or agree to or endorse any Competing Transaction, or 
authorize any of their officers, directors or employees or any investment 
banker, financial advisor, attorney, accountant or other representative 
retained by InvestArk, North Arkansas or First Bank to take any such action 
and, upon learning of such action by any representative, shall take 
appropriate steps to terminate such action, InvestArk shall promptly notify 
United orally and in writing of all of the relevant details relating to all 
inquiries and proposals which





                                       34
<PAGE>   35
it may receive relating to any of such matters; for purposes of this Agreement,
"Competing Transaction" shall mean  any  of  the  following involving  
InvestArk, North Arkansas or First Bank; any merger, consolidation, share 
exchange or other business combination; a sale, lease, exchange, mortgage, 
pledge, transfer or other disposition of a substantial portion of assets; a 
sale of shares of capital stock (or securities convertible or exchangeable 
into or otherwise evidencing, or any agreement or instrument evidencing, the 
right to acquire capital stock);

                 (g)      propose or adopt any amendments to their corporate 
charters or bylaws;

                 (h)      authorize, recommend, propose or announce an
intention to authorize, recommend or propose, or enter into an agreement
in principle with respect to any acquisition of a material amount of assets or
securities or any release or relinquishment of any material contract rights 
not in the ordinary course of business;

                 (i)      except in their fiduciary capacities, purchase any
shares of United common stock;

                 (j)      change any method of accounting in effect at December
31, 1992, or change any method of reporting income or deductions for federal 
income tax purposes from those employed in the preparation of the federal 
income tax returns for the taxable year ending December 31, 1992, except as 
may be required by law or generally accepted accounting principles;

                 (k)      take action which would or is reasonably likely to
(i) adversely affect the ability of either of United or InvestArk to obtain 
any necessary approvals of governmental authorities required for the 
transactions contemplated hereby; (ii) adversely affect InvestArk's ability to
perform its covenants and agreements under this Agreement; or (iii) result in 
any of the conditions to the Merger set forth in Article VIII not being 
satisfied;





                                       35
<PAGE>   36
                 (l)      change the lending, investment, asset/liability
management and other material policies concerning the business of InvestArk, 
North Arkansas or First Bank, unless required by Law or order or unless such 
change does not cause a material adverse effect on InvestArk, North Arkansas 
or First Bank;

                 (m)      agree in writing or otherwise to do any of the
foregoing;

                 (n)      make any single new loan or series of loans not  in
accordance with existing loan policies to one borrower or related series of 
borrowers in an aggregate amount greater than $250,000.00;

                 (o)      sell or otherwise dispose of securities owned as
investments except at maturity dates or in accordance with past practices for 
securities held for sale or trading or in accordance with Generally Accepted 
Accounting Principles for securities classified as "held to maturity"; or

                 (p)      sell or dispose of any real estate or other assets
having a value in excess of $100,000.00.

        5.03.    Access and Information.  Upon reasonable notice, InvestArk
shall (and shall cause North Arkansas and First Bank to) afford to United's
officers, employees, accountants, counsel and other representatives, access,
during normal business hours during the period prior to the Effective Time, to
all its properties, books, contracts, commitments and records.  During such
period, InvestArk shall (and shall cause North Arkansas and First Bank to)
furnish promptly to United (i) a copy of each InvestArk Report filed or
received by it during such period pursuant to the requirements of the BHC Act
and any other federal or state banking laws promptly after such documents are
available, (ii) the monthly financial statements of InvestArk, North Arkansas
and First Bank (as prepared in accordance with generally accepted accounting
principles) promptly after





                                       36
<PAGE>   37
such financial statements are available, (iii) a summary of any action
taken by the Boards of Directors, or any committee thereof, of InvestArk, North
Arkansas and First Bank, and (iv) all other information concerning its
business, properties and personnel as United may reasonably request. Unless
otherwise required by law, each party will hold any information obtained from
the other in connection with the transaction which is nonpublic in confidence
until such time as such information otherwise becomes publicly available
through no wrongful act of the party holding nonpublic information of the other
party, and in the event of termination of this Agreement for any reason each
party shall promptly return all nonpublic documents obtained from the other
party, and any copies made of such documents, to such other party or destroy
such documents and copies.

         5.04. Update Disclosure; Breaches.

         From and after the date hereof until the earlier of the termination of
this Agreement or the Effective Time, InvestArk and United shall provide to the
other party prompt notice of any matters which have occurred from and after the
date hereof which are material to the financial condition or operations of the
disclosing party or which have a material bearing on any matter dealt with
herein.

         InvestArk and United shall, in the event either becomes aware of any
existing, impending, or threatened occurrence of any event or condition which
would cause or constitute a material breach (or would have caused or
constituted a breach had such event occurred or been known prior to the date
hereof) of any of the warranties, representations or agreements contained or
referred to herein, give prompt written notice thereof to the other party and
the responsible party shall use its best efforts to prevent or promptly remedy
the same.

         5.05  Reserve.  InvestArk shall cause North Arkansas by December 31,
1993 to make an addition to its allowance for loan losses in the amount of
$140,000.00 and InvestArk shall cause





                                       37
<PAGE>   38
First Bank by December 31, 1993 to make an addition to its allowance
for loan losses in the amount of $450,000.00 and to establish a reserve against
other real estate owned in the amount of $100,000.00.  It is expressly
provided, however, that InvestArk, North Arkansas and First Bank shall have no
obligation to make the foregoing additions to reserves unless, after using
their best efforts to obtain such approval and consent, InvestArk, North
Arkansas and First Bank shall have obtained written approval and consent of the
Arkansas State Bank Commissioner to make the additions.

                                  ARTICLE VI
                                      
                            Additional Agreements

         6.01. Shareholders Meetings.  InvestArk and United shall call meetings
of their shareholders to be held as promptly as practicable for the purpose of
voting upon the Merger Agreements.

         6.02. Legal Conditions to Merger.  Each of InvestArk and United will
take all reasonable actions necessary to comply promptly with all legal
requirements it may have with respect to the Merger (including furnishing all
information required by the Federal Reserve Board or in connection with
approvals of or filings with any other Governmental Entity) and will promptly
cooperate with and furnish information to each other in connection with any
such requirements imposed upon any of them or any of their subsidiaries in
connection with the Merger. Each of InvestArk and United will, respectively,
cause their subsidiaries to, take in a prompt manner all reasonable actions
necessary to obtain (and will cooperate with each other in obtaining) any
agreement, consent, authorization, order or approval of, or any exemption by,
any Governmental Entity or other public or private third party, required to be
obtained or made by United, InvestArk or any of their subsidiaries in
connection with the Merger or the taking of any action contemplated thereby or
by





                                       38
<PAGE>   39
this Agreement and the Plan of Merger.

         6.03.   Reports.

                 (a)      Prior to the Effective Time, InvestArk shall prepare 
and file as and when required all InvestArk Reports.

                 (b)      InvestArk shall prepare such InvestArk Reports such 
that (i) they comply in all material respects with all of the statutes, rules 
and regulations enforced or promulgated by the regulatory authority with which
they are filed and do not contain any untrue statement of a material fact or 
omit to state a material fact required to be stated therein or necessary in 
order to make the statements therein, in light of the circumstances under 
which they were made, not misleading, and (ii) with respect to any InvestArk 
Reports containing financial information of the type included in the InvestArk
Financial Statements, the financial information (A) is prepared in accordance
with generally accepted accounting principles and practices as utilized in the
InvestArk Financial Statements, applied on a consistent basis (except as stated
therein or in the notes thereto) (B) presents fairly the consolidated financial
condition of InvestArk, at the dates, and the consolidated results of
operations and cash flows for the periods, stated therein and (C) in the case
of interim fiscal periods, reflects all adjustments, consisting only of normal
recurring items necessary for a fair presentation, subject to year-end audit
adjustments.

         6.04.   Brokers or Finders.  Each of United and InvestArk represents,
as to itself, that no agent, broker, investment banker, financial advisor or
other firm or person is or will be entitled to any broker's or finder's fee or
any other commission or similar fee in connection with any of the transactions
contemplated by this Agreement; provided, however, InvestArk may pay Stephens
Inc. a reasonable financial advisory fee for services rendered in connection
with the transactions





                                       39
<PAGE>   40
contemplated by this Agreement not to exceed $100,000.00 plus
out-of-pocket expenses, such payment to be subject to receipt of any necessary
regulatory approval.

         6.05.   Reasonable Efforts.  Subject to the terms and conditions of
this Agreement, each of the parties hereto agrees to use all reasonable efforts
to take, or cause to be taken, all action and to do, or cause to be done, all
things necessary, proper or advisable under applicable laws and regulations to
consummate and make effective the transactions contemplated by this Agreement,
including cooperating fully with the other parties. In case at any time after
the Effective Time any further action is reasonably necessary or desirable to
carry out the purposes of this Agreement or to vest United with full title to
all properties, assets, rights, approvals, immunities and franchises of either
of InvestArk, North Arkansas or First Bank, the proper officers and directors
of each party to this Agreement shall take all such necessary action.

         6.06.   Governmental and Other Third Party Approvals. InvestArk and
United shall each use their reasonable best efforts to obtain all governmental
and other third party approvals, authorizations and consents that may be
necessary or reasonably required of them in order to effect the transactions
contemplated by this Agreement.  InvestArk and United agree to make all filings
and applications for such approvals and reviews as soon as practicable, to
prosecute the same with reasonable diligence and to notify each other when such
approvals, authorizations and consents have been received. InvestArk and United
will provide each other with copies of all regulatory notices and filings made
in connection with the transactions contemplated by this Agreement prior to
filing. United and InvestArk will each provide to the other copies of any
correspondence received from any regulatory agency relating to such filings,
and shall use its best efforts to keep the other party advised of the progress
of obtaining all regulatory and third party approvals required for the





                                       40
<PAGE>   41
consummation of all transactions contemplated by this Agreement.

                                  ARTICLE VII

                              Conditions Precedent

         7.01.   Conditions to Each Party's Obligation to Effect the Merger.  
The respective obligations of each party to effect the Merger shall be subject
to the satisfaction prior to the Closing Date of the following conditions:

                 (a)      Shareholder Approval.  The Merger Agreements shall
have been approved and adopted by the legally required votes of the holders of
the outstanding shares of InvestArk and United common stock at shareholders 
meetings duly called for the purpose of voting on the Merger.

                 (b)      Federal Reserve Board.  The Merger Agreements and the
transactions contemplated hereby shall have been approved by the Federal
Reserve Board without any condition not acceptable to United, all conditions
required to be satisfied prior to the Effective Time imposed by the terms of
such approvals shall have been satisfied and all waiting periods relating to
such approvals shall have expired.

                 (c)      Arkansas State Bank Commissioner.  The Arkansas State
Bank Commissioner shall have approved the transfer of ownership of North 
Arkansas and First Bank to United without any condition not acceptable to 
United.

                 (d)      No Injunctions or Restraints.  No temporary 
restraining order, preliminary or permanent injunction or other order issued 
by any court of competent jurisdiction or other legal restraint or prohibition
(an "Injunction") preventing the consummation of the Merger shall be in effect.

                 (e)      No Proceeding or Litigation.  No material action, 
suit or proceeding before





                                       41
<PAGE>   42
any court or any governmental or regulatory authority shall have been
commenced against United, InvestArk or any affiliate, associate, officer or
director of either of them, seeking to restrain, enjoin, prevent, change or
rescind the transactions contemplated hereby or questioning the validity or
legality of any such transactions.

                 (f)      Closing Date.  The Closing Date shall occur on or
before May 31, 1994 unless extended by InvestArk and United.

                 (g)      Consents Under Agreements.  United, InvestArk and
their subsidiaries shall have obtained the consent or approval of each person 
whose consent or approval shall be required in connection with the 
transactions contemplated hereby under any loan or credit agreement, note, 
mortgage, indenture, lease or other agreement or instrument.

                 (h)      Securities Laws.  A registration statement for the
United Stock shall have become effective under the Securities Act and shall 
not be the subject of any stop order or proceedings seeking a stop order.  
United shall have obtained all securities or "blue sky" permits and other 
authorizations necessary under state securities laws for United to issue the 
United Stock and consummate the Merger.

         7.02.   Conditions to Obligations of United.  The obligation of United
to effect the Merger is subject to the satisfaction of the following conditions
unless waived in writing by United:

                 (a)      Representations and Warranties.  Each of the
representations and warranties of InvestArk set forth in this Agreement shall 
be true and correct in all material respects (except that where any statement 
in a representation or warranty expressly includes a standard of materiality, 
such statement shall be true and correct in all respects) as of the date of 
this Agreement and (except to the extent such representations and warranties 
speak as of an earlier date) as of the Closing Date





                                       42
<PAGE>   43
as though made on and as of the Closing Date, except for changes expressly
contemplated by this Agreement.

                 (b)      Performance of Obligations of InvestArk.  InvestArk
shall have performed in all material respects each of the obligations required
to be performed by it under this Agreement and the Plan of Merger at or prior 
to the Closing Date, and United shall have received a certificate signed on 
behalf of InvestArk by the chief executive officer and by the chief financial 
officer of InvestArk to such effect.

                 (c)      Opinion of Counsel.  InvestArk shall have delivered
to United an opinion of its counsel, Shults, Ray and Kurrus, dated as of the 
Closing Date and in form and substance satisfactory to counsel for United, to 
the aggregate effect that:  (i) InvestArk has been duly incorporated and 
organized and is a corporation validly existing in good standing under the 
laws of Arkansas with full corporate power and authority to enter into this 
Agreement and the Plan of Merger and to consummate the transactions 
contemplated thereby; (ii) all corporate proceedings and other actions on the 
part of InvestArk necessary to be taken in connection with the Merger and 
(except for the filing of the Articles of Merger) necessary to make same 
effective have been duly and validly taken; (iii) this Agreement and the Plan 
of Merger have been duly and validly authorized, executed and delivered on 
behalf of InvestArk and constitute (subject to standard exceptions to 
enforceability arising from the bankruptcy laws and rules of equity) valid and
binding agreements of InvestArk; and (iv) the execution of the Articles of
Merger by InvestArk has been duly and validly authorized.

                 (d)      No Material Adverse Change.  There shall have been no
material adverse change since December 31, 1992 in the financial condition, 
results of operations or business of





                                       43
<PAGE>   44
InvestArk, North Arkansas or First Bank.  Material adverse change shall
include commencement or making of any investigation, lawsuit or claim which, if
decided adversely to InvestArk, North Arkansas or First Bank, would have a
material adverse effect on InvestArk, First Bank or North Arkansas.

         (e)     Environmental Audits.  Phase I environmental audits of the
InvestArk Property shall have been conducted at United's expense and shall, to
United's satisfaction, reflect no material problems under Environmental Laws.

         (f)     Pooling Opinion.  United shall have received an opinion from
Arthur Andersen & Co. to the effect that the Merger qualifies for
pooling-of-interests accounting treatment under applicable accounting
principles and that it will be so treated by the SEC if consummated in
accordance with the Merger Agreements.

         (g)     FRB Inquiry.  Neither United nor InvestArk shall have received
notice from the FRB and/or the Federal Reserve Bank of St. Louis of actual or
proposed regulatory action with respect to the inquiry disclosed in Exhibit
3.08 that could reasonably be expected to have an adverse effect on InvestArk,
United and/or the InvestArk Subsidiaries.

         (h)     Amendment of Articles of Incorporation.  InvestArk shall have
perfected an amendment to its articles of incorporation to provide that it
shall be governed by the Arkansas Business Corporation Act of 1987.

         (i)     Affiliates.  Each person who receives a portion of the United
Stock and who might reasonably be considered to be an affiliate of InvestArk,
as defined in paragraph (a) of Rule 144 of the Rules of the Securities and
Exchange Commission under the Securities Act, shall have executed and delivered
at Closing a letter substantially in the form set forth in Exhibit 7.02(i).





                                       44
<PAGE>   45
         7.03    Conditions to Obligations of InvestArk  The obligation of
InvestArk to effect the Merger is subject to the satisfaction of the following
conditions unless waived by InvestArk:

                 (a)      Representations and Warranties.  Each of the
representations and warranties of United set forth in this Agreement shall be 
true and correct in all material respects (except that where any statement in a
representation or warranty expressly includes a standard of materiality, such 
statement shall be true and correct in all respects) as of the date of this 
Agreement and (except to the extent such representations and warranties speak 
as of an earlier date) as of the Closing Date as though made on and as of the 
Closing Date, except for changes expressly contemplated by this Agreement, and
InvestArk shall have received a certificate signed on behalf of United by the 
chief executive officer and by the chief financial officer of United to such 
effect.

                 (b)      Performance of Obligations of United. United shall
have performed in all material respects each of the obligations required to 
be performed by it under this Agreement and the Plan of Merger at or prior to 
the Closing Date, and InvestArk shall have received a certificate signed on 
behalf of United by the chief executive officer and by the chief financial 
officer of United to such effect.

                 (c)      Opinion of Counsel.  United shall have delivered to
InvestArk an opinion of its counsel, Ivester, Skinner & Camp, P.A., dated as 
of the Closing Date and in form and substance satisfactory to counsel for 
InvestArk, to the aggregate effect that: (i) United is a corporation validly 
existing under the laws Arkansas with full corporate power and authority to 
enter into this Agreement and the Plan of Merger and to consummate the 
transactions contemplated thereby; (ii) all corporate proceedings and other 
actions on the part of United necessary to be taken in connection with the 
Merger and (except for the filing of the Articles of Merger) necessary to 
make same





                                       45
<PAGE>   46
effective have been duly and validly taken; (iii) this Agreement has been 
duly and validly authorized, executed and delivered on behalf of United and 
constitutes (subject to standard exceptions to enforceability arising from
the bankruptcy laws and rules of equity) a valid and binding agreement of
United; and (iv) the execution of the Articles of Merger by United has been
duly and validly authorized.

                 (d)      No Material Adverse Change.  There shall have been no
material adverse change since September 30, 1993 in the financial condition, 
results of operations or business of United.

                                  ARTICLE VIII

                           Termination and Amendment

         8.01    Termination.  This Agreement and the Plan of Merger may be
terminated at any time prior to the Effective Time:

                 (a)      by mutual consent of the Board of Directors of United
and the Board of Directors of InvestArk;

                 (b)      by either United or InvestArk (A) if there has been a
breach in any material respect (except that where any statement in a 
representation or warranty expressly includes a standard of materiality, such 
statement shall have been breached in any respect) of any representation, 
warranty, covenant or agreement on the part of InvestArk, on the one hand, or 
United on the other hand, respectively, set forth in this Agreement, or (B) 
if any representation or warranty of InvestArk on the one hand, or United on 
the other hand, respectively, shall be discovered to have become untrue in any
material respect (except that where any statement in a representation or 
warranty expressly includes a standard of materiality, such statement shall have





                                       46
<PAGE>   47
become untrue in any respect), in either case which breach or other
condition has not been cured within 10 business days following receipt by the
nonterminating party of notice of such breach or other condition from the
terminating party;

                 (c)      by either United or InvestArk if any permanent
Injunction preventing the consummation of the Merger shall have become final 
and nonappealable;

                 (d)      by either United or InvestArk if the Merger shall not
have been consummated on or before May 31, 1994, for a reason other than the 
failure of the terminating party to comply with its obligations under this 
Agreement;

                 (e)      by either United or InvestArk if the Federal Reserve
Board has denied approval of the Merger and neither United nor InvestArk has, 
within 30 days after the entry of the Federal Reserve Board's order denying 
such approval, filed a petition seeking review of such order as provided by 
Section 9 of the BHC Act;

                 (f)      by United or InvestArk if any condition precedent to
the terminating party's obligation to effect the Merger has not been satisfied
and such condition cannot reasonably be expected to be satisfied prior to the 
date specified in Subsection 8.01(d);

                 (g)      by InvestArk if the United Average Price is less than
$22.00 and the scheduled Closing Date is more than 120 days after the date of 
this Agreement; or

                 (h)      by United if the United Average Price is $35.00 or
more and the scheduled Closing Date is more than 120 days after the date of 
this Agreement; provided, however, that United may not terminate under this 
subsection (h) if United has (i) agreed or announced its intention to be 
acquired by a third party or merge into a third party that is the surviving 
corporation, or (ii) received an unsolicited offer or proposal to engage in 
such a transaction;





                                       47
<PAGE>   48
                 (i)      by United if, by no later than December 31, 1993 (i)
North Arkansas shall not have made an addition to its allowance for loan 
losses in the amount of $140,000.00 and (ii) First Bank shall not have made an
addition to its allowance for loan losses in the amount of $450,000.00 and 
shall have established a reserve against other real estate owned in the amount
of $100,000.00; provided, however, that United shall exercise any right to 
terminate under this subsection by no later than January 31, 1994.

         8.02.   Effect of Termination.  In the event of termination of this
Agreement by either InvestArk or United as provided in Section 8.01, this
Agreement and the Plan of Merger shall forthwith become void and there shall be
no liability or obligation on the part of InvestArk, United, or their
respective officers or directors, except to the extent that such termination
results from the willful breach by a party hereto of any of its
representations, warranties, covenants or agreements set forth in this
Agreement.

         8.03.   Amendment.  Subject to the next following sentence, this
Agreement and the Plan of Merger may be amended by the parties hereto by action
taken or authorized by the respective Boards of Directors of United and
InvestArk at any time prior to the Closing Date.  This Agreement may not be
amended except by an instrument in writing signed on behalf of each of the
parties hereto.

         8.04.   Extension; Waiver.  At any time prior to the Effective Time,
United, on the one hand, and InvestArk, on the other hand, by action taken or
authorized by their respective Boards of Directors, may, to the extent legally
allowed, (i) extend the time for the performance of any of the obligations or
other acts of the other parties hereto, (ii) waive any inaccuracies in the
representations and warranties of the other contained herein or in any document
delivered by the other pursuant hereto, and (iii) waive compliance by the other
with any of the agreements or conditions contained





                                       48
<PAGE>   49
herein.  Any agreement on the part of a party hereto to any such extension or
waiver shall be valid only if set forth in a written instrument signed on 
behalf of such party.

                                   ARTICLE IX

                              General Provisions
        
         9.01.   Notices.  All notices and other communications hereunder shall
be in writing and shall be deemed given if delivered personally (with receipt
confirmed) or mailed by registered or certified mail (return receipt requested)
to the parties at the following addresses (or at such other address for a party
as shall be specified by like notice):

                 (a)      if to United, to

         First United Bancshares, Inc.
         Attention:  John E. Burns
         P. O. Box 751
         El Dorado, Arkansas 71731

                 with a copy to:

         Hermann Ivester, Esq.
         Ivester, Skinner & Camp, P.A.
         111 Center Street, Suite 1200
         Little Rock, Arkansas 72201

                 (b)      if to InvestArk, to:

         Mr. Harry C. Erwin
         Chairman and Chief Executive Officer
         InvestArk Bankshares, Inc.
         P. O. Box 908
         Stuttgart, AR 72160-0908

                 with a copy to:

         H. Baker Kurrus, Esq.
         Shults, Ray & Kurrus
         200 West Capitol, Suite 1600





                                       49
<PAGE>   50
         Little Rock, AR 72201-3637


         9.02.   Interpretation.  When a reference is made in this Agreement to
Sections, such reference shall be to a Section of this Agreement unless
otherwise indicated.  The table of contents and headings contained in this
Agreement are for reference purposes only and shall not affect in any way the
meaning or interpretation of this Agreement.  Whenever the words "include,"
"includes" or "including" are used in this Agreement, they shall be deemed to
be followed by the words "without limitation." The phrase "made available" in
this Agreement shall mean that the information referred to has been made
available if requested by the party to whom such information is to be made
available.

         9.03.   Counterparts.  This Agreement may be executed in two or more
counterparts, all of which shall be considered one and the same agreement and
shall become effective when two or more counterparts have been signed by each
of the parties and delivered to the other parties, it being understood that all
parties need not sign the same counterpart.

         9.04.   Entire Agreement.  This Agreement (including the documents and
the instruments referred to herein, including the Plan of Merger) constitutes
the entire agreement and supersedes all prior agreements and understandings,
both written and oral, among the parties with respect to the subject matter
hereof.

         9.05.   Governing Law.  This Agreement shall be governed and construed
in accordance with the laws of the State of Arkansas.

         9.06.   Publicity.  The parties hereto agree that they will consult
with each other concerning any proposed press release or public announcement
pertaining to the Merger and will use their best





                                       50
<PAGE>   51
efforts to agree upon the text of such press release or public announcement 
prior to the publication of such press release or the making of such public 
announcement.  However, the determination by United as to when and whether it 
will make a public statement and the contents of any such public statement 
shall be final and binding.

         9.07.   Assignment.  Neither this Agreement nor any of the rights,
interests or obligations hereunder shall be assigned by any of the parties
hereto (whether by operation of law or otherwise) without the prior written
consent of the other parties.  Subject to the preceding sentence, this
Agreement will be binding upon, inure to the benefit of and be enforceable by
the parties and their respective successors and assigns.

         9.08.   Knowledge of the Parties.  Wherever in this Agreement any
representation or warranty is made upon the knowledge of a party hereto that is
not an individual, such knowledge shall include the actual knowledge, after due
inquiry, of any executive officer of such party or an executive officer of any
Subsidiary thereof.

         9.09.   Expenses.  Except as otherwise provided herein, all Expenses
incurred by United and InvestArk in connection with or related to the
authorization, preparation and execution of this Agreement, the Plan of Merger,
and all other matters related to the closing of the transactions contemplated
hereby, including, without limitation of the generality of the foregoing, all
fees and expenses of agents, representatives, counsel and accountants employed
by either such party or its affiliates, shall be borne solely and entirely by
the party which has incurred the same.

         9.10    Non-Survival of Representations and Warranties. None of the
representations, warranties and covenants contained in this Agreement shall
survive the Closing or, following Closing, be the basis for any action by any
party; all terms and conditions hereof shall merge in the





                                       51
<PAGE>   52
closing documents and shall not survive Closing.

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

                                  FIRST UNITED BANCSHARES, INC.



                                  By: /s/ JAMES V. KELLEY 
                                  James V. Kelley
                                  Chairman, President and
Attest:                           Chief Executive Officer



/s/ ROBERT G. DUDLEY          
Robert G. Dudley, Secretary

                                  INVESTARK BANKSHARES, INC.



                                  By: /s/ HARRY C. ERWIN      
Attest:                           Harry C. Erwin
                                  Chairman, President and
                                  Chief Executive Officer

/s/ JOHN STEPHENS                 
Secretary





                                       52
<PAGE>   53
                                   EXHIBIT A
                                 PLAN OF MERGER

     This Plan of Merger, dated as of December 17, 1993 ("Plan of Merger"), by
and between First United Bancshares, Inc., an Arkansas corporation ("United"),
and InvestArk Bankshares, Inc., an Arkansas corporation ("InvestArk").

     WHEREAS, InvestArk is a corporation with authorized capital stock
consisting of 5,000,000 shares of common stock, $10.00 par value  of which
219,122 shares of common stock, including 3,766 treasury shares, ("InvestArk
Common Stock") are validly issued and outstanding on the date hereof;

     WHEREAS, United is a corporation with authorized capital stock of
12,000,000 shares of common stock, $1.00 par value, of which 4,272,276 shares
are validly issued and outstanding on the date hereof;

     WHEREAS, United is a corporation duly organized and existing under the
laws of Arkansas;

     WHEREAS, concurrently with the execution and delivery of this Plan of
Merger, United and InvestArk have entered into an Agreement and Plan of
Reorganization (the "Agreement" and, together with this Plan of Merger, the
"Merger Agreements") that contemplates the merger of InvestArk with and into
United (the "Merger") upon the terms and conditions provided in this Plan of
Merger and the Agreement and pursuant to the Arkansas Business corporation Act
(the "ABCA");

     WHEREAS, the Boards of Directors of United and InvestArk deem it fair and
equitable to, and in the best short-term and long-term interests of, their
respective corporations and shareholders that InvestArk be merged with and into
United with United being the surviving corporation, and each such Board of
Directors has approved this Plan of Merger, has authorized its execution and
delivery, and has directed that this Plan of Merger and the Merger be submitted
to InvestArk and United shareholders for approval.

     NOW, THEREFORE, in consideration of the promises and the agreements
herein contained, the parties hereto adopt and agree to the following
agreements, terms and conditions relating to the Merger and the mode of
carrying the same into effect:

                                   ARTICLE I

                                   The Merger

     1.01.  The Merger.  Subject to the terms and conditions of the Merger
Agreements, InvestArk will be merged with and into United, which will continue
as the surviving corporation, in accordance with and with the effect provided
in the ABCA.
<PAGE>   54
     1.02.  Effective Time of the Merger.  Subject to the provisions of the
Merger Agreements, articles of merger (the "Articles of Merger") shall be duly
prepared and executed by United and InvestArk and thereafter delivered to the
Secretary of State of the State of Arkansas for filing, as provided inthe ABCA,
as soon as practicable on or after the Closing Date (as defined in the
Agreement).  The Merger shall become effective upon the filing of the Articles
of Merger with the Secretary of the State of Arkansas or at such time within
two business days thereafter as is provided in the Articles of Merger (the
"Effective Time").

     1.03.  Effects of the Merger.  (a) At the Effective Time, (i) the separate
existence of InvestArk shall cease and InvestArk shall be merged with and into
United (United and InvestArk are sometimes referred to herein as the
"Constituent Corporations" and United is sometimes referred to herein as the
"Surviving Corporation"), (ii) the Articles of Incorporation of United in
effect as of the Effective Time (the "Articles") shall be the Articles of
Incorporation of the Surviving Corporation, and (iii) the Bylaws of United in
effect as of the Effective Time (the "Bylaws") shall be the Bylaws of the
Surviving Corporation.

     (b) At and after the Effective Time, the Surviving Corporation shall
possess all the rights, privileges, powers and franchises of a public as well
as of a private nature, and be subject to all the restrictions, disabilities
and duties of each of the Constituent Corporations; and all and singular
rights, privileges, powers and franchises of each of the Constituent
Corporations, and all property, real, personal and mixed and all debts due to
either of the ConstituentCorporations on whatever account, as well as for stock
subscriptions and all other things in action or belonging to each of the
Constituent Corporations, shall be vested in the Surviving Corporation; and all
property, rights, privileges, powers and franchises, and all and every other
interest shall be thereafter as effectually the property of the Surviving
Corporation as they were of the Constituent Corporations, and the title to any
real estate vested by deed or otherwise, in either of the Constituent
Corporations, shall not revert or be in any way impaired; but all rights of
creditors and all liens upon any property of either of the Constituent
Corporations shall be preserved unimpaired, and all debts, liabilities and
duties of the Constituent Corporations shall thenceforth attach to the
Surviving Corporation, and may be enforced against it to the same extent as if
said debts and liabilities had been incurred by it.  Any action or proceeding,
whether civil, criminal or administrative, pending by or against either
Constituent Corporation shall be prosecuted





                                       2
<PAGE>   55
as if the Merger had not taken place, and the Surviving Corporation may be
substituted as a party in such action or proceeding in place of any Constituent
Corporation.

                                   ARTICLE II

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

     2.01.  Conversion of InvestArk Common Stock.  As of the Effective Time, by
virtue of the Merger and without any action on the part of the holder of any
shares of InvestArk Common Stock, but subject to the rights of dissenting
shareholders of InvestArk:

     (a) Conversion of InvestArk Common Stock.  The issued and outstanding
shares of InvestArk Common Stock shall be converted in accordance with the
Agreement into the right to receive the consideration provided in Section 2.01
of the Agreement.

     (b) Cancellation of Shares.  All shares of InvestArk Common Stock issued
and outstanding immediately prior to the Effective Time shall no longer be
outstanding and shall automatically be cancelled and retired and shall cease to
exist, and each holder of a certificate representing any such shares shall
cease to have any rights with respect thereto, except the right to receive a
pro rata amount of the consideration provided therefor upon the surrender of
such certificate in accordance with the Plan of Merger.

     2.02.  Exchange of Certificates. (a) Exchange Agent.  As of the Effective
Time, United shall deposit with the Trust Department of First National Bank of
El Dorado, El Dorado,Arkansas or such other bank or trust company designated by
United (the "Exchange Agent") for the benefit of the holders of shares of
InvestArk Common Stock, for exchange in accordance with this Article II through
the Exchange Agent, the number of shares of United common stock and cash (the
"Exchange Fund") to be paid pursuant to Section 2.01 in exchange for shares of
InvestArk Common Stock outstanding immediately prior to the Effective Time.

          (b)       Exchange Procedures.  As soon as reasonably practicable
after the Effective Time, the Exchange Agent shall mail to each holder of
record of a certificate or certificates which immediately prior to the
Effective Time represented outstanding shares of InvestArk Common Stock (the
"Certificates") whose shares were converted into the right to receive shares of
United common stock and cash pursuant to Section 2.01, (i) a letter of
transmittal (which shall specify that delivery shall be





                                       3
<PAGE>   56
effected, and risk of loss and title to the Certificates shall pass, only upon
delivery of the Certificates to the Exchange Agent and shall be in such form
and have such other provisions as United may reasonably specify) and (ii)
instructions for use in effecting the surrender of the Certificates in exchange
for the United common stock and cash payment due.  Upon surrender of a
Certificate for cancellation to the Exchange Agent or to such other agent or
agents as may be appointed by United, together with such letter of transmittal,
duly executed, the holder of such Certificate shall be entitled to receive in
exchange therefor a certificate representing the number of whole shares of
United common stock and cash which such holder has the right to receive
pursuant to Section 2.01 of the Agreement, and the Certificate so surrendered
shall forthwith be cancelled.  Until surrendered as contemplated by this
Section 2.02, each Certificate shall be deemed at any time after the Effective
Time to represent only the right to receive upon such surrender the
consideration specified in Section 2.01 of the Agreement.

          (c)  Distributions with Respect to Unexchanged Shares. No delivery of
United common stock or cash payment of any kind shall be made to the holder of
any unsurrendered Certificate until the holder of record of such Certificate
shall surrender such Certificate.

          (d)       No Further Ownership Rights in InvestArk Common Stock.  The
consideration paid upon the surrender of shares of InvestArk Common Stock in
accordance with the terms hereof including any cash shall be deemed to have
been paid in full satisfaction of all rights pertaining to such shares of
InvestArk Common Stock, and there shall be no further registration of transfers
on the stock transfer books of the Surviving Corporation of the shares of
InvestArk Common Stock which were outstanding immediately prior to the
Effective Time.  If, after the Effective Time, Certificates are presented to
the Surviving Corporation for any reason, they shall be cancelled and payment
shall be made as provided in this Plan of Merger.

          (e)  Termination of Exchange Fund.  Any portion of the Exchange Fund
which remains undistributed to the shareholders of InvestArk for six months
after the Effective Time shall be delivered to United, upon demand, and any
shareholders of InvestArk who have not theretofore complied with this Section
2.02 shall thereafter look only to United for payment of the United common
stock and cash due for their InvestArk stock.





                                       4
<PAGE>   57
          (f)  No Liability.  Neither United nor InvestArk shall be liable to
any holder of shares of InvestArk Common Stock for shares of United common
stock or cash from the Exchange Fund delivered to a public official pursuant to
any applicable abandoned property, escheat or similar law.

                                  ARTICLE III

                       Conditions; Termination; Amendment

     3.01.  Conditions to the Merger.  Consummation of the Merger is
conditional upon the fulfillment or waiver of the conditions precedent set
forth in Article VII of the Agreement.

     3.02.  Termination.  This Plan of Merger may be terminated and the Merger
abandoned by mutual consent of the respective Boards of Directors of InvestArk
and United at any time prior to the Effective Time.  If the Agreement is
terminated in accordance with Article IX thereof, then this Plan of Merger will
terminate simultaneously and the Merger will be abandoned without further
action by InvestArk or United.

     3.03.  Amendment.  Subject to the next following sentence, this Plan of
Merger may be amended by the parties hereto by action taken or authorized by
their respective Boards of Directors at any time before the Closing Date.  This
Plan of Merger may not be amended except by an instrument in writing signed on
behalf of each of the parties hereto.

     3.04.  Extension; Waiver.  At any time prior to the Closing Date, United
and InvestArk, by action taken or authorized by their respective Board of
Directors, may, to the extent legally allowed, (i) extend the time for the
performance of any of the obligations or other acts of the other party hereto
and (ii) waive compliance by the other with any of the agreements or conditions
contained herein.  Any agreement on the part of a party hereto to any such
extension or waiver shall be valid only if set forth in a written instrument on
behalf of such party.

                                   ARTICLE IV

                               General Provisions

     4.01.  Notices.  All notices and other communications hereunder shall be
in writing and shall be deemed given if delivered personally (with receipt
confirmed) or mailed by registered or certified mail (return receipt requested)
to the parties at the following addresses (or at such other address for a party
as shall be specified by like notice):

     (a)  if to United, to

     First United Bancshares, Inc.
     Attention:  John E. Burns





                                       5
<PAGE>   58
     P. O. Box 751
     El Dorado, Arkansas 71731

     with a copy to:

     Hermann Ivester, Esq.
     Ivester, Skinner & Camp, P.A.
     111 Center Street, Suite 1200
     Little Rock, Arkansas 72201

     (b)  if to InvestArk, to

     Mr. Harry C. Erwin
     Chairman and Chief Executive Officer
     InvestArk Bankshares, Inc.
     P.O. Box 908
     Stuttgart, Arkansas 72160-0908


     with a copy to:

     H. Baker Kurrus, Esq.
     Shultz, Ray & Kurrus
     Worthen Bank Building
     200 West Capitol Avenue, Suite 1600
     Little Rock, Arkansas 72203

     4.02.  Interpretation.  When a reference is made in this Plan of Merger to
Sections, such reference shall be to a Section of this Plan of Merger unless
otherwise indicated.  The headings contained in this Plan of Merger are for
reference purposes only and shall not affect in any way the meaning or
interpretation of this Plan of Merger.

     4.03.  Counterparts.  This Plan of Merger may be executed in two or more
counterparts, all of which shall be considered one and the same agreement and
shall become effective when twoor more counterparts have been signed by each of
the parties and delivered to the other parties, it being understood that all
parties need not sign the same counterpart.

     4.04.  Governing Law.  This Plan of Merger shall be governed and construed
in accordance with the laws of the State of Arkansas.

     IN WITNESS WHEREOF, InvestArk and United have caused this Plan of Merger
to be signed by their respective officers thereunto duly authorized, all as of
the date first written above.

                                             FIRST UNITED BANKSHARES, INC.


                                             By:   /s/ James V. Kelley
                                                -------------------------------

                                                   James V. Kelley
                                                   Chairman, President and
                                                   Chief Executive Officer





                                       6
<PAGE>   59
Attest:

/s/ Robert G. Dudley      
- --------------------------

Robert G.Dudley, Secretary

                                             INVESTARK BANKSHARES, INC.

                                             By:   /s/ Henry C. Erwin
                                                -------------------------------

                                                   Henry C. Erwin
                                                   Chairman, President and
                                                   Chief Executive Officer

  /s/ John Stephens                         
- -------------------------

Secretary





                                       7
<PAGE>   60
 
                                  EXHIBIT 3.08
 
                             RESERVE BOARD INQUIRY
 
     The Federal Reserve Board has inquired about certain transactions by and
among InvestArk, First Bank, North Arkansas and Stephens Inc. The Federal
Reserve Board has questioned these transactions under Sections 23A and 23B of
the Federal Reserve Act. The boards of directors of First Stuttgart Bank & Trust
Company and Bank of North Arkansas have received full reports of these
transactions and have provided to The Federal Reserve Board the Information
requested by such Board.
<PAGE>   61
 
                                  EXHIBIT 3.09
 
                             LITIGATION AND CLAIMS
 
     The following matters are disclosed pursuant to Section 3.09:
 
     1. Claim by Charles C. Miller, Estate of Annie Smith and/or assigns and
distributees, and Gwen Lee for payment pursuant to a stock purchase agreement
dated December 27, 1984. All other similarly situated claimants have accepted
the sum of $23.40 per share in payment of the obligations set forth in such
agreement. The amount payable under the stock purchase agreement to the three
claimants is calculated by InvestArk to be $30,771.00.
 
     2. Griffith Farming v. First National Bank in Stuttgart; Circuit Court of
Monroe County, Arkansas; No. CIV-89-3.
<PAGE>   62
 
                                  EXHIBIT 3.11
 
     1. Agreement with Erwin & Co. for preparation of 1993 tax returns for
InvestArk, First Bank, and North Arkansas.
 
     2. Agreement with Martin and Company for preparation of 1993 audits return
for InvestArk, First Bank, and North Arkansas.
 
     3. Supplemental retirement contract dated January 5, 1991, between Lloyd
Jones and North Arkansas.
 
     4. Engagement letter between Stephens Inc. and InvestArk, and the related
indemnity agreement.
 
     5. Leases, maintenance agreements, service contracts and other similar
agreements on miscellaneous fixtures, equipment, software and other property
entered into in the ordinary course of business, such as vault maintenance
contracts, elevator maintenance contracts, cleaning service contracts, software
licenses and maintenance agreements and the like.
 
     6. Agreement regarding life insurance with Cole Martin.
<PAGE>   63
 
                                  EXHIBIT 3.12
 
1. Profit Sharing Plan at Bank of North Arkansas.,as.
 
2. Defined Contribution Qualified Pension Plan at First Bank.
 
3. Self-Insured Health Care Plan (contract expires 8/1/94).
 
4. Miscellaneous life and accident policies (expiration last day of each month).
<PAGE>   64
 
                                EXHIBIT 3.14(H)
 
                             COMPENSATION INCREASES
 
     There are no bonuses or increases in compensation for employees of North
Arkansas or First Bank other than those bonuses and increases in compensation
which have been authorized in the books and records of the companies and which
have been accrued and budgeted. For First Bank, bonuses totaling $103,765.44
have been authorized. For North Arkansas, bonuses totaling $30,000 have been
authorized. The weighted average percentage salary increase for North Arkansas
employees from 1993 to 1994, exclusive of compensation for Lloyd Jones, is
approximately 3.7%. The 1994 compensation for Lloyd Jones has not been fixed.
 
     The 1994 compensation for Cole Martin and Robert M. Koch have not been
determined.
<PAGE>   65
 
                                EXHIBIT 7.02(I)
 
First United Bancshares, Inc.
Main and Washington Streets
El Dorado, Arkansas 71730
 
Gentlemen:
 
     I may presently be considered to be an "affiliate", as defined in paragraph
(a) of Rule 144 of the Rules and Regulations of the Securities and Exchange
Commission ("SEC") under the Securities Act of 1933, as amended (the "Act"), of
InvestArk Bankshares, Inc. an Arkansas Corporation ("InvestArk"). Pursuant to
the merger (the "Merger") of InvestArk with and into First United Bancshares,
Inc. ("First United"), I will acquire           shares of the common stock, par
value $1 per share ("Common Stock"), of First United. I represent and warrant
that I (i) am acquiring said shares (as the same may be increased, decreased or
are changed in accordance with the Agreement and Plan of Merger dated December
17, 1993, relating to the Merger, the ("Shares") for my own account (or in the
capacity indicated hereon) and with no present intention of dividing my
participation with others or otherwise making a distribution of the Shares and
(ii) shall not make any sale, transfer or other disposition of the Shares in
violation of the Act or the General Rules and Regulations promulgated thereunder
by the SEC.
 
     I have been advised that the issuance of the Shares to me pursuant to the
Merger has been registered under the Act in the Registration Statement on SEC
Form 5-4, as amended, Registration No.           ("Registration Statement") as
filed with the SEC, receipt of a copy of which Registration Statement is hereby
acknowledged. However, I have also been advised that any public offering or sale
by me of any of the Shares will, under current law, require either (i) the
further registration (by amendment of such Form S-4 or otherwise) under the Act
of the Shares to be sold or (ii) compliance with Rule 145 promulgated under the
Act or (iii) the availability of another exemption from such registration.
 
     I agree not to sell, transfer or dispose of the Shares [  ]nless (i) there
is in effect a registration statement under the Act covering such sale,
transfer, or other disposition, or (ii), such sale, transfer or disposition
complies with Rule 145 or is otherwise exempt from registration. Further, I will
furnish to First United such documentation incident to such sale, transfer or
other disposition as First United shall reasonably request evidencing the
availability of any exemption from registration being claimed. Such
documentation shall be provided to First United prior to any such sale, transfer
or other disposition in order that First United, or its counsel, may have a
reasonable opportunity to review the documentation and form an opinion as to the
validity of any such exemption.
 
     I agree that notwithstanding any provision herein or contained in the
Agreement and Plan of Reorganization that I will not sell, transfer, or
otherwise dispose of the Shares, unless United has made public disclosure of
financial results reflecting 30 days' of post-Merger combined operations of
InvestArk and First United within the meaning of Section 201.01 of the SEC's
Codification of Financial Reporting Policies. In addition, I hereby represent
and warrant to First United that I have not made any sales of InvestArk or
United common stock during the 30-day period immediately preceding the date
hereof and I further agree not to engage in any such sales prior to the merger,
nor have I pledged or will I pledge any United or InvestArk common stock to
secure any obligation during such period.
 
     I represent and warrant to First United that:
 
     1. I have carefully read this letter and discussed its requirements and
other applicable limitations upon the sale, transfer or other disposition of the
Shares, to the extent I felt necessary, with my counsel or counsel for
InvestArk.
 
     2. I have been informed by First United that any distribution by me of the
Shares has not been registered under the Act and that the Shares must be held by
me indefinitely until (i) such distribution of the Shares has been registered
under the Act, (ii) a sale of the Shares is made in conformity with the volume
and other
<PAGE>   66
 
limitations of Rule 145 promulgated by the SEC under the Act, or (iii) some
other exemption from registration is available with respect to any such proposed
sale, transfer or other disposition of the Shares.
 
     3. I have been informed by First United that it is required to file
periodic reports with the SEC and the NASDAQ and that certain sales of the
Shares by me may not be required to be registered under the Act by virtue of
Rule 145 promulgated by the SEC under the Act, provided that such sales are made
in accordance with all of the terms and conditions of such Rule, including among
other things the following:
 
          (a) The amount of First United Common Stock sold by me pursuant to
     Rule 145 during any period of three months cannot exceed the quantity limit
     of (i) one percent of the total outstanding First United Common Stock or
     (ii) the average reported weekly trading volume on NASDAQ during the four
     week period immediately preceding receipt of the order by the broker to
     execute the transaction, whichever of (i) or (ii) is greater. In computing
     the quantity limit it is necessary to count sales not only by me but also
     by certain immediate family members and other related persons and others
     with whom I may act in concert.
 
          (b) Sales must be made in brokers' transactions as defined by the SEC
     Rule 144 (certain provisions of which are incorporated by reference into
     Rule 145).
 
          (c) No sales may be made under the Rule unless First United has filed
     all SEC reports required to be filed by First: United.
 
          (d) The broker must be given information showing compliance with Rule
     145.
 
     4. I understand that First United is under no obligation to [ ]egister
(except to the extent as expressed in that Certain Shareholders Agreement, dated
December 17, 1993) the sale, transfer or other disposition of the Shares by me
or on my behalf or to take any other action necessary in order to make
compliance with an exemption from registration available.
 
     5. I have been informed by First United that if I propose to sell any of
these Shares pursuant to Rule 145, and if such sale would be permitted under the
terms of this letter, First United will, upon my written request, supply me with
the following:
 
          (a) A statement as to whether First United has complied with the
     provisions of Rule 145 regarding filing of SEC reports as a condition to
     sales made pursuant to that Rule;
 
          (b) A confirmation as to the number of shares of First United Common
     Stock outstanding as shown by the most recent report or statement published
     by it; and
 
          (c) First United taxpayer identification number and SEC file number.
 
     The information and documents described or referred to above were furnished
to me before my right to acquire the Shares became fixed.
 
                                            Very truly yours,

<PAGE>   1
                                                                     Exhibit 5
   
<TABLE>
<S>                                    <C>                                      <C>
                                       INVESTER, SKINNER & CAMP, P.A. 
                                              ATTORNEYS AT LAW        
HERMANN INVESTER*                      111 CENTER STREET, SUITE 1200                       TELECOPIER
H. EDWARD SKINNER**                   LITTLE ROCK, ARKANSAS 72201-4442                   (501) 376-8536
CHARLES R. CAMP                                (501) 376-7788         
WAYNE B. BALL***(T)                                                   
RANDAL R. FRAZIER                                                               *ALSO ADMITTED IN THE U.S. PATENT
ROBERT KELLER JACKSON                                                                  AND TRADEMARK OFFICE
LAURA G. WILTSHIRE                                                                 **ALSO ADMITTED IN MISSOURI
MILDRED HAVARD HANSEN                                                               ***ALSO ADMITTED IN TEXAS
VALERIE F. BOYCE                                  April 12, 1994                 (T) BOARD RECOGNIZED SPECIALIST
TODD A. LEWELLEN*                                                                          IN TAX LAW
STANLEY D. SMITH      
S. SCOTT LUTON        
</TABLE>
    

First United Bancshares, Inc.
Main and Washington Streets
El Dorado, Arkansas 71730

Gentlemen:
   
         In our opinion, the shares of First United Bancshares,Inc. common
stock, $1.00 par value per share, being registered under Registration Statement
No. 33-52341, filed on February 18, 1994, and Amendment No. 1 thereto, filed on
April 12, 1994, when issued in exchange for the outstanding common stock of
InvestArk Bancshares, Inc., will constitute legally issued, fully paid,
nonassessable shares of First United Bancshares, Inc.
    

         We consent to the inclusion of this opinion in the Registration
Statement and reference to us under the caption "Legal Opinions" in the Proxy
Statement included in the Registration Statement.

                                         IVESTER, SKINNER & CAMP, P.A.


                                         /s/ IVESTER, SKINNER & CAMP, P.A.

<PAGE>   1
                                                                       Exhibit 8



   
                                April 12, 1994
    


InvestArk Bankshares, Inc.
412 South Main Street
Stuttgart, Arkansas 72021

Dear Sirs:

   
         We are special tax counsel to InvestArk Bancshares, Inc. ("InvestArk")
in connection with certain transactions contemplated by the Agreement and Plan
of Reorganization dated as of December 17, 1993, pursuant to which First United
Bancshares, Inc. ("First United") would issue to the stockholders of InvestArk
a minimum of 885,593 and a maximum of 985,849 shares of First United stock in
exchange for all the issued and outstanding stock of InvestArk through a merger
transaction (the "Merger") in which InvestArk would be merged with and into
First United.  In that connection, our opinion is as set forth in the section
entitled, "THE MERGER - Certain Federal Income Tax Consequences" in the Proxy
Statement dated May 17, 1994 (the "Proxy Statement").
    

         We hereby consent to the filing of this letter as Exhibit 8 to the
Registration Statement on Form S-4 which the Proxy Statement is a part and to
the reference to us in the section entitled 'THE MERGER - Certain Federal
Income Tax Consequences" in the Proxy Statement.

                                            Very truly yours,       
                                                                    
                                            /s/ SHULTS, RAY & KURRUS
                                                                    
                                            Shults, Ray & Kurrus    

<PAGE>   1


                                                                       Exhibit 9
                                TRUST AGREEMENT



         TRUST AGREEMENT dated as of _________, 1994 (the "Agreement"), by and
among Jackson T. Stephens; the W.R. Stephens Trust, Jackson T.  Stephens,
Vernon J. Giss and Bess C. Stephens, Trustees; the W.R. Stephens, Jr. Trust, I.
Ernest Butler and Vernon J. Giss, Trustees; W.R.  Stephens, Jr.; Warren A.
Stephens; the Elizabeth Ann Stephens Campbell Trust, Vernon J. Giss and I.
Ernest Butler, Trustees; Stephens Group, Inc.  (individually, a "Grantor" and,
collectively, the "Grantors",); and The Bank of New York, as trustee (the
"Trustee").

         WHEREAS the Grantors have committed to the Board of Governors of the
Federal Reserve System (the "Board") to place in trust, on the terms and
conditions stated in this Agreement, all of the shares (the "Shares") of the
common stock (the "Common Stock") of First United Bancshares, Inc. ("First
United") to be received by the Grantors in connection with the merger of
InvestArk Bankshares, Inc. with and into First United (the "Merger"); and

         WHEREAS the Grantors have created the trust arrangement described
herein for such purpose, and the Trustee has agreed to perform the duties
assigned to it herein on the terms and conditions provided.

         NOW, THEREFORE, in consideration of the mutual covenants herein
contained and other good and valuable consideration, it is agreed as follows:

           1.       Creation and Purpose of Trust.

                    (a)         Subject to the terms and conditions hereof, a
          trust with respect to the Shares is hereby created and established
          for the purpose of satisfying the commitment described above.

                    (b)         The Trustee accepts the trust created by this
          Agreement, and agrees to serve as trustee hereunder, subject to the
          terms and conditions hereof and with the express limitation that the
          Trustee shall have no power or authority to sell or encumber the
          Shares except as expressly provided in Section 3 hereof.

                    (c)         Each Grantor agrees to deposit with the
          Trustee, as soon as reasonably practicable following consummation of
          the Merger, one or more certificates duly endorsed for transfer to
          the Trustee evidencing the number of Shares set forth opposite the
          Grantor's signature below, such Shares being all of the Common Stock
          received by the Grantor in connection with the Merger.

                    (d)         The certificates for the Shares shall be
          surrendered by the Trustee to First United for cancellation, and new
          stock certificates therefor promptly shall be issued to and
          registered in the name of the Trustee, as trustee under this
          Agreement.  Each certificate
<PAGE>   2
          issued to the Trustee pursuant to this Section shall bear a legend to
          the effect that it is held subject to this Agreement.

                    (e)         Promptly upon receipt of the new stock
          certificates delivered pursuant to Section 1 (d), the Trustee shall
          issue and deliver to the Grantors receipts therefor.

                    (f)         Subject to Sections 4 and 5 hereof, the trust
          created hereunder shall be irrevocable.

          2.  Dividends and Distributions.  The Trustee shall receive and hold,
subject to the terms of this Agreement, all dividends and distributions
declared and paid on the Shares deposited with it hereunder.  The Trustee shall
distribute to the Grantors all dividends and other distributions of property
(except securities of First United that have voting rights on any matter,
absolute or contingent ("Other Voting Securities") that are declared and paid
on the Shares or Other Voting Securities deposited hereunder.  Such
distributions shall be made by the Trustee as soon as practicable after the
receipt of the dividends or other distributions.

          3.  Sales of Shares by the Grantors.

                    (a)         The Grantors and the Trustee acknowledge and
          agree that each Grantor may from time to time direct the Trustee to
          sell to any third party unaffiliated with the Grantors all or a
          portion of the Shares and/or any Other Voting Securities held
          hereunder for the Grantor's benefit (a "Sale").  Upon receipt of such
          direction, the Trustee shall use its reasonable best efforts to sell
          the subject Shares and/or Other Voting Securities promptly and in the
          manner specified by the Grantor; provided that the Grantor shall have
          sole responsibility for negotiating the terms and conditions of any
          Sale with the purchaser(s) of the Shares and/or any broker-dealer or
          other intermediary handling the Sale.

                    (b)         Any Sale shall comply with the requirements of
          the Bank Holding Company Act (the "BHCA") and all other applicable
          statutory and regulatory requirements.

                    (c)         The Grantors will not sell shares of First
          United Common Stock, including the Shares, which in the aggregate
          total five percent (5%) or more of First United's outstanding Common
          Stock to a purchaser or group of purchasers without first obtaining
          the prior written approval of the Board; provided that such approval
          need not be obtained if the sale of such Common Stock is transacted
          in connection with an acquisition of fifty percent (50%) or more of
          First United's outstanding Common Stock (other than shares of Common
          Stock, including the Shares, beneficially owned by the Grantors) that
          is approved by its Board of Directors, whether such acquisition is
          effected by merger, consolidation, tender offer, exchange offer or
          otherwise. (It is understood and agreed that the Grantors may not
          circumvent the foregoing prohibition by selling less than five
          percent (5%) of First United's outstanding Common Stock to a
          purchaser or group of purchasers, terminate this Agreement pursuant
          to Section 4(a), and then sell additional shares of Common Stock to
          the same purchaser or group of purchasers if the aggregate number of
          shares sold in all such transactions would equal or exceed five
          percent (5%) of First United's outstanding Common Stock.) For
          purposes of this Section 3(c), the term "group" shall have the
          meaning assigned it under Regulation 13D promulgated under the
          Securities Exchange Act of 1934, as amended.

                    (d)         At the closing of any Sale, the Trustee shall
          cause the certificates representing the Shares and/or any Other
          Voting Securities to be delivered to the purchaser(s) 





                                       2
<PAGE>   3

          in the Sale, properly endorsed, if necessary, for transfer to such
          purchaser(s), and shall take all other actions reasonably necessary
          to effectuate the transfer to such purchaser(s) of title thereto      
          in accordance with any agreement providing for the Sale.

          4.        Termination of Agreement. This Agreement shall terminate
upon the earlier to occur of either of the following events:

                    (a)         The total number of shares of Common Stock
          owned by the Grantors, including but not limited to the Shares, shall
          constitute less than ten percent (10%) of the total number of shares
          of Common Stock outstanding; provided that the Grantor shall provide
          the Board written notice of termination pursuant to this Section 4(a)
          prior to effecting distribution of the Trust Assets pursuant to
          Section 5 hereof.

                    (b)         The filing and receipt of approval from the
          Board of a Notice of Change in Bank Control allowing the Grantors 
          to own and vote directly the Shares and any Other Voting Securities.

          5.  Distribution of Trust Assets.

                    (a)         Upon receipt of written notice from the
          Grantors of the termination of this Agreement, the Trustee shall
          promptly cause the certificates representing the Shares and any Other
          Voting Securities registered in its name to be delivered to the
          Grantors, properly endorsed, if necessary, for transfer to the
          Grantors, and shall take all other actions reasonably necessary to
          effectuate the transfer to the Grantors of title thereto.

                    (b)         In the event of the dissolution or total
          liquidation of First United, whether voluntary or involuntary, a
          merger or consolidation involving a change in control of First
          United, a sale of all or substantially all of the assets of First
          United, or the sale of the Shares or any Other Voting Securities in
          accordance with the terms of Section 3 hereof, the Trustee shall
          receive the monies, securities, rights or property to which the
          holder of the Shares or any Other Voting Securities are entitled,
          and, after paying (or reserving for the payment of) any expenses
          incurred pursuant to this Agreement, shall distribute the same, along
          with any dividends and distributions of property, and any interest or
          dividends paid thereon, received and held by the Trustee in
          accordance with Section 2 hereof, to the Grantors.

                    (c)         Upon distribution of all trust assets as
          provided in Paragraphs (a) and/or (b) of this Section, all further
          obligations or liabilities of the Trustee in respect of such monies,
          securities, rights or property so received shall cease and this
          Agreement and the trust created hereunder shall terminate.  Any
          distribution in partial liquidation of First United shall be governed
          by Section 2 hereof.

          6.        Maintenance of Records.  The Trustee shall keep records
reflecting (i) the Shares and any Other Voting Securities held by it for the
benefit of each of the Grantors and (ii) any distributions made by it pursuant
to Sections 2 and 5 hereof.  Such records shall also reflect the nature 





                                       3
<PAGE>   4
and ownership of any other property received by the Trustee pursuant to the
terms of this Agreement. Such records shall be open at all reasonable to the
inspection of Grantors and the Board.

          7.        Resignation of Trustee.  The trustee may at any time resign
by providing to the Grantors and the Board written notice of the registration,
which shall take effect sixty (60) days thereafter or upon the prior acceptance
thereof; provided that such resignation will not be effective until a successor
Trustee has been appointed in conformity with Section 8 hereof.

          8.        Successor Trustee.  In the event of the resignation of the
Trustee the vacancy so occurring shall be filled by the Grantors with the
approval of the Board. The rights, powers and privileges of the Trustee named
hereunder shall be possessed by any successor Trustees (hereinafter a
"Successor Trustee").

          9.        Voting Rights/Beneficial Interest.

                    (a)         The Trustee shall vote the Shares and any Other
          Voting Securities deposited with it hereunder or give written
          consents in lieu of voting thereon, in person or by proxy at any and
          all meetings of the shareholders of First United, or when such
          consents are given in lieu of such meetings, for whatsoever purpose
          called or held, and in any and all proceedings, whether at a meeting
          of the shareholders or otherwise, wherein the vote or written consent
          of shareholders may be required or authorized by law.

                    (b)         The Trustee shall vote the Shares and any Other
          Voting Securities "for" and/or "against" any proposal or other matter
          submitted to First United shareholders for approval, including the
          election of directors, in the same proportion as the votes cast "for"
          and "against" such proposal or other matter by all other
          shareholders, not counting abstentions. The Trustee shall not abstain
          from voting any of the Shares and any Other Voting Securities.

                    (c)         No person other than the Trustee shall have any
          voting right in respect of the Shares and any Other Voting Securities
          so long as this Agreement is in effect.

                    (d)         The Shares and any Other Voting Securities
          shall be held by the Trustee for the benefit of the Grantors subject
          to the terms of this Agreement.  The Trustee shall have no beneficial
          interest in any such securities, which interest shall reside with the
          Grantors.

          10.       Expenses of Trustee.  The Trustee shall have the right to
incur and pay such reasonable expenses and charges and to employ such
professional advisors and legal counsel as is appropriate to facilitate the
performance of its duties hereunder.  Any such charges or expenses incurred may
be charged to the Grantors.  In addition, the Trustee reserves the right to
deduct its fees and expenses associated with this Agreement from any funds held
by the Trustee for the benefit of the Grantors.





                                       4
<PAGE>   5

          11.       Liability of Trustee.  The Trustee shall not be liable by
reason of any matter or thing in any way arising out of or in relation to this
Agreement except for such loss or damage as the Grantors may suffer by reason
of the Trustee's willful misconduct or gross negligence; and the Trustee when
acting hereunder or shall not be required to give a bond or other security for
the faithful performance of its duties as such.

          12.       Indemnity, Etc.  The Trustee shall be indemnified by the
Grantors from and against any and all loss, liability, claim, damage and
expense whatsoever (including, but not limited to, any and all expense
whatsoever reasonably incurred in investigating, preparing or defending against
any litigation, commenced or threatened, or any claims whatsoever) (the
"Indemnified Claims") arising out of or based upon this Agreement or the
actions or failures to act of the Trustee hereunder, except to the extent such
Indemnified Claims are caused by or result from the Trustee's gross negligence
or willful misconduct (as determined by a final and unappealable order of a
court of competent jurisdiction).  The Grantors' obligation hereunder shall
survive the transfer of all or any portions of their respective interests in
the trust assets, the termination of the trust, or the resignation or removal
of the Trustee.

          The Trustee shall be entitled to the prompt reimbursement by the
Grantors for the Trustee's out-of-pocket expenses (including reasonable
attorneys' fees and expenses) incurred in investigating, preparing or defending
against any litigation, commenced or threatened, arising out of or based upon
this Agreement, or the actions or failures to act of the Trustee hereunder,
without regard to the outcome of such litigation; provided, however, that the
Trustee shall be obligated to return any such reimbursement if it is
subsequently determined by a final and unappealable order of a court of
competent jurisdiction that the Trustee was grossly negligent or engaged in
willful misconduct in the matter in question.

          13.       Compensation for Services.  During the period of its
service as Trustee hereunder, the Trustee shall receive from the Grantors the
fees described in Schedule A hereof, payable in the amounts and on the dates
specified therein.  The Grantors hereby unconditionally agree to pay such fees
to the Trustee, which shall be in addition to, and not in lieu of, the
reimbursement of expenses provided for by Section l0 hereof.  In addition, the
Trustee reserves the right to deduct its fees and expenses associated with this
Agreement from any funds held by the Trustee for the benefit of the Grantors.

          14.       Dealings Between Trustee and the Grantors.  Nothing herein
contained shall disqualify the Trustee from dealing or contracting with the
Grantors as a lender, borrower or otherwise, nor shall any transaction or
contract be affected or invalidated by reason of the fact that the Trustee is
in any way interested in such transaction or contract; nor shall the Trustee be
liable to account to the Grantors for any profits realized by, from or through
any transaction or contract by reason of the fact that the Trustee is
interested in such transaction or contract.

          15.       Construction.  The term "Trustee" as used herein shall be
deemed to mean the 





                                       5
<PAGE>   6

Trustee named herein or any Successor Trustee.

          16.       Counterparts: Entire Agreement.  This Agreement may be
executed in counterparts and shall be deemed to be an original. This Agreement
expresses the entire agreement between the Parties and is irrevocable except as
expressly provided herein.

          17.       Notices.  Any notice to or communication with any of the
Grantors, the Trustee or the Board shall be deemed sufficiently given or made
when received and shall be given in writing, and delivered in person or sent by
certified mail, postage prepaid, or by private courier service or by telecopy
or telex, to such person at its address set forth below or at such other
address as such person may hereafter furnish in writing to the others.

          If to the Grantors, to:

                    Jackson T. Stephens
                    W.R. Stephens Trust
                    W.R. Stephens, Jr. Trust
                    W.R. Stephens, Jr.
                    Warren A. Stephens
                    Elizabeth Ann Stephens Campbell Trust
                    Stephens Group, Inc.
                    111 Center Street
                    Little Rock, Arkansas 72201
                    Attention:  David A. Knight
                    Telephone:  (501) 377-2573
                    Fax:        (501) 377-2677

          If to the Board, to:
                    Board of Governors of the
                        Federal Reserve System
                    20th & C Streets, N.W.
                    Washington, D.C.  20551
                    Attention:  J. Virgil Mattingly
                    Telephone:  (212) 452-3430
                    Fax:  (212) 452-3101

          If to the Trustee, to:

                    The Bank of New York 101 Barclay Street
                    New York, New York 10286
                    Attention:  David Sampson
                    Telephone:  (212) 815-5712





                                      6
<PAGE>   7
                    Fax:  (212) 815-5915 or 5917

          18.       Governing Law.  This Agreement shall be governed by and
construed in accordance with the laws of the State of New York without
reference to its choice of law provisions.

          IN WITNESS WHEREOF, the parties have hereunto set their hands, and in
the case the Grantors set opposite their signatures the number of Shares
initially deposited by them hereunder.


          Number of Shares to
          be deposited hereunder


          ------------                       JACKSON T. STEPHENS
          

          ------------                       W.R. STEPHENS TRUST
          
                                          BY:                                   
                                             ----------------------------------
                                             Jackson T. Stephens, Trustee

                                          BY:                                  
                                             ----------------------------------
                                             Vernon J. Giss, Trustee

                                          BY:                                   
                                             ----------------------------------
                                             Bess C. Stephens, Trustee


          ------------                       W.R. STEPHENS JR. TRUST
          
                                          BY:                                  
                                             ---------------------------------- 
                                             I.   Ernest Butler, Trustee

                                          BY:                                   
                                             ----------------------------------
                                             Vernon J. Giss, Trustee

          ------------                       ----------------------------------
                                             W.R. STEPHENS, JR.





                                      7
<PAGE>   8
                                                                               
          ------------                      ---------------------------------- 
                                            WARREN A. STEPHENS                 
                                                                               
          ------------                      ELIZABETH ANN STEPHENS             
                                            CAMPBELLL TRUST                    
                                                                               
                                         BY:                                   
                                            ---------------------------------- 
                                            Vernon J. Giss, Trustee            
                                         
                                         BY:                                 
                                            ---------------------------------
                                            I.   Ernest Butler, Trustee


         -------------                      STEPHENS GROUP, INC.
                               
                    
                                         BY:
                                            ---------------------------------
                                            David A. Knight,
                                            Vice President

                                            
                                            THE BANK OF NEW YORK, AS TRUSTEE

                                         BY:                                
                                            ---------------------------------
                                               Name:
                                               Title:





                                      8

<PAGE>   1

                                                                   Exhibit 23(a)





                   CONSENT OF INDEPENDENT PUBLIC ACCOUNTANTS
   

         As independent public accounts, we hereby consent to the incorporation
by reference in this Amendment No. 1 to Registration Statement No. 33-52341 on 
Form S-4 of our report dated January 18, 1994 included in First United 
Bancshares, Inc.'s Form 10-K for the year ended December 31, 1993 and to all 
references to our Firm included in this Registration Statement.
    

                                          ARTHUR ANDERSEN & CO.


   
Jackson, Mississippi
April 11, 1994
    


<PAGE>   1
                                                                   Exhibit 23(b)





                   CONSENT OF INDEPENDENT PUBLIC ACCOUNTANTS

   
         As independent public accountants, we hereby consent to the use of our
report dated January 28, 1994 and to all references to our Firm included in
this Amendment No. 1 to Registration Statement No. 33-52341 on Form S-4.
    

                                          MARTIN & COMPANY
   
Little Rock, Arkansas
April 11, 1994
    


<PAGE>   1
                                                                   Exhibit 99(a)


                        FIRST UNITED BANCSHARES, INC.


PROXY

        The undersigned hereby appoints James V. Kelley and John E. Burns or
both of them acting in the absence of the others, as attorneys and proxies of
the undersigned, to represent the undersigned at the Special Meeting of
Stockholders of First United Banchsares, Inc. ("First United") to be held on
June 14, 1994 at 2:00 p.m. local time at the First National Bank Building,
Main and Washington Streets, El Dorado, Arkansas and at any adjournment or
adjournments thereof and to vote all shares of stock of First United held of
record by the undersigend.

        1.  Approval of the Agreement and Plan of Reorganization which provides
            for the merger of InvestArk Bankshares, Inc. into First United.

               FOR ____          AGAINST ____          ABSTAIN ____

        2.  In their discretion on such other matters as may properly come
            before the meeting.


         THIS PROXY IS SOLICITED ON BEHALF OF THE BOARD OF DIRECTORS
                  (Continued and to be signed on other side)





THIS PROXY WILL BE VOTED AS DIRECTED BUT, WHERE NO DIRECTION IS GIVEN, IT WILL
BE VOTED "FOR" APPROVAL OF THE AGREEMENT AND PLAN OF MERGER. A COPY OF THE
PROXY STATEMENT HAS BEEN RECEIVED BY THE UNDERSIGNED.


DATED: ____________________                ______________________________
                                           Signature                     




                                           ______________________________
                                           Signature                     



Please sign exactly as name(s) appear(s) heron and return promptly in the
enclosed envelope. When signing as attorney, executor, administrator, trustee,
guardian or corporate official, please give your title as such.


___ PLEASE CHECK IF YOU PLAN TO ATTEND THIS MEETING

<PAGE>   1
                                                                   Exhibit 99(b)


                          INVESTARK BANKSHARES, INC.


PROXY

        The undersigned hereby appoints Harry C. Erwin acting in the absence of
the others, as attorney and proxy of the undersigned, to represent the
undersigned at the Annual Meeting of Stockholders of InvestArk Bankshares, Inc.
("InvestArk") to be held on June 14, 1994 at 10:00 a.m. local time at the
First Stuttgart Bank and Trust Company building, 412 South Main, Stuttgart,
Arkansas and at any adjournment or adjournments thereof and to vote all shares
of stock of InvestArk held of record by the undersigend.

        1.  Approval of the Agreement and Plan of Reorganization which provides
            for the merger of InvestArk Bankshares, Inc. into First United.

               FOR ____          AGAINST ____          ABSTAIN ____

        2.  Approval of the election by InvestArk to be governed by the
            Arkansas Business Corporation Act of 1987.

               FOR ____          AGAINST ____          ABSTAIN ____

        3.  In their discretion on such other matters as may properly come
            before the meeting.


         THIS PROXY IS SOLICITED ON BEHALF OF THE BOARD OF DIRECTORS
                  (Continued and to be signed on other side)





THIS PROXY WILL BE VOTED AS DIRECTED BUT, WHERE NO DIRECTION IS GIVEN, IT WILL
BE VOTED "FOR" APPROVAL OF THE AGREEMENT AND ELECTION. A COPY OF THE PROXY 
STATEMENT HAS BEEN RECEIVED BY THE UNDERSIGNED.


DATED: ____________________                ______________________________
                                           Signature                     




                                           ______________________________
                                           Signature                     



Please sign exactly as name(s) appear(s) heron and return promptly in the
enclosed envelope. When signing as attorney, executor, administrator, trustee,
guardian or corporate official, please give your title as such.


___ PLEASE CHECK IF YOU PLAN TO ATTEND THIS MEETING



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