UNITED BANKSHARES INC/WV
8-K, 1998-04-16
NATIONAL COMMERCIAL BANKS
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                       SECURITIES AND EXCHANGE COMMISSION
                               WASHINGTON, D. C.

                                    FORM 8-K

                                 CURRENT REPORT

                     PURSUANT TO SECTION 13 OR 15(d) OF THE
                        SECURITIES EXCHANGE ACT OF 1934

Date of Report (Date of earliest event reported)  APRIL 2, 1998
                                                  -------------

                            UNITED BANKSHARES, INC.
                            -----------------------
             (Exact name of registrant as specified in its charter)

         WEST VIRGINIA                  0-13322             55-0641179
         -------------                  -------             ----------
(State or other jurisdiction of       (Commission       (I.R.S. Employer
 incorporation or organization)        File No.)       Identification No.)

         300 UNITED CENTER
         500 VIRGINIA STREET, EAST
         CHARLESTON, WEST VIRGINIA                               25301
         -------------------------                               -----
  (Address of principal executive offices)                     Zip Code

                                 (304) 424-8761
                                 --------------
              (Registrant's telephone number, including area code)

                                 NOT APPLICABLE
                                 --------------
             (Former name or address, if changed since last report)


<PAGE>



ITEM 2.  ACQUISITION OF ASSETS
         ---------------------

         On April 2, 1998, United Bankshares, Inc. ("UBS") acquired all
5,261,000 of the issued and outstanding shares of George Mason Bankshares, Inc.
("George Mason")in accordance with the terms and conditions of the Agreement and
Plan of Merger dated September 10, 1997 and as amended and restated December 10,
1997, between UBS and George Mason (the "Agreement"). As a result of the merger,
George Mason merged with George Mason Holding Company, a wholly owned subsidiary
of UBS, and thus George Mason became a wholly owned subsidiary of UBS ("the
Merger").

         George Mason was a Virginia corporation and a bank holding company
headquartered in Fairfax, Virginia and had two principal subsidiaries, George
Mason Bank ("GMB"), a Virginia state chartered bank and George Mason Mortgage
Company ("GMMC"), with their principal place of business in the Washington D.C.
metropolitan area. George Mason Mortgage Company is a wholly owned-subsidiary of
GMB and engaged in the operation of a general mortgage and agency business. The
Agreement provided that upon consummation of the Merger, each outstanding share
of common stock of George Mason (other than any shares held by UBS other than in
a fiduciary capacity or in satisfaction of a debt previously contracted) shall,
by virtue of the Merger and without any action on the part of the holder
thereof, be converted into the right to receive 1.70 shares of UBS common stock,
plus the right to receive cash in lieu of any fractional share without interest.
Fractional shares were paid at $25.55 for each portion of fractional share.

         For a description of the assets and business of George Mason, the
Registrant hereby incorporates by reference PART I Item 1. Business and Item 2.
Properties found on pages 2-10 of George Mason Bankshares, Inc. 1997 Form 10-K
(File No. 0-13833). The physical properties of George Mason will be used for the
purpose of conducting the business of banking.

         The exchange ratio for George Mason's stock was negotiated through arms
length discussions between the managements of UBS and George Mason and George
Mason's financial advisor Friedman, Billings, Ramsey & Co., Inc. The respective
Boards of Directors of UBS and George Mason determined that the Merger is fair
and in the best interests of the shareholders of UBS and George Mason,
respectively. For additional information on the determination of the exchange
ratio and the role of George Mason's financial advisor, the Registrant hereby
incorporates by reference to the Registration Statement filed on Form S-4 (No.
33-44993) and the sections entitled THE MERGER - General, Distribution of United
Certificates, Background and Reasons for the Merger and Opinions of Financial
Advisor to George Mason found on pages 16-22 and the Opinion of Friedman,
Billings, Ramsey & Co., Inc. found at Appendix C.


<PAGE>



         In connection with the execution of the Agreement, United Bank ("UB"),
a wholly-owned subsidiary of UBS, and George Mason Bank, a wholly-owned
subsidiary of George Mason, entered into an Agreement and Plan of Merger dated
as of September 10, 1997 and as amended and restated December 10, 1997 (the
"Bank Agreement"). The Bank Agreement set forth the terms and conditions,
including the Merger, pursuant to which UB will merge with and into George Mason
Bank (the "Bank Merger") on April 17, 1998, after the Merger. As a result of the
Bank Merger, UB will cease to exist and will merge with and into George Mason
Bank, the surviving bank. However, George Mason Bank will change its name to
"United Bank" for its banking operations. George Mason Mortgage Company will
continue as a wholly-owned subsidiary of United Bank.

         Consummation of the Merger was subject to approval of the shareholders
of UBS and George Mason and the receipt of all required regulatory approvals, as
well as other customary conditions. On March 9, 1998, both UBS and George Mason,
respectively, each held a Special Meeting of Shareholders. George Mason
shareholders were asked to consider and vote upon the Agreement between UBS and
George Mason whereby George Mason would merge with and into a UBS wholly-owned
subsidiary, George Mason Holding Company. UBS shareholders were asked to
consider and vote upon two proposals in connection with the Merger. The first
proposal was to amend the articles of incorporation of UBS ("the Articles
Amendment") to increase the number of authorized shares of common stock, par
value $2.50 per share, of UBS from 20,000,000 to 41,000,000 shares. The second
was a proposal to approve the issuance of the shares of UBS common stock ("the
Share Issuance") to be issued in the merger. The respective shareholders of both
UBS and George Mason overwhelmingly approved their respective proposals. No
other matters came before either meeting or any adjournment or adjournments
thereof. Prior to the Special Meetings of Shareholders, all applicable
regulatory approvals had been received except for the Commonwealth of Virginia
which approved the Merger on March 18, 1998.

         Pursuant to the Agreement and related Stockholder Agreements, the
holders of approximately 17% of the outstanding UBS common stock had agreed to
vote for the Share Issuance and Articles Amendment while 13% of the outstanding
George Mason common stockholders had agreed to vote their shares in favor of the
Merger.

         The Agreement permitted George Mason to continue to pay its regular
quarterly dividends of $0.14 per share of George Mason common stock prior to the
consummation of the Merger, but otherwise prohibited the payment of dividends on
George Mason common stock. Pursuant to the Agreement, George Mason adjusted the
record and payment dates of its regular quarterly dividends to coincide with the
record and payment dates of UBS' regular quarterly dividends. The record dates
for UBS' regular quarterly dividends occur in mid-September, mid-December,
mid-March and mid-June, and the respective payment dates occur in the first few
days of the succeeding month.


<PAGE>



ITEM 5.  OTHER EVENTS
         ------------

         Pursuant to the Merger Agreement, dated September 10, 1997 and as
amended and restated December 10, 1997, between UBS and George Mason, UBS agreed
to take such action as was necessary to cause Bernard H. Clineburg, C. Barrie
Cook, M.D., William A. Hazel, Arthur Kellar and John M. McMahon to be elected
directors of UBS upon consummation of the Merger, for a term which expires at
the 1998 Annual Meeting of the Shareholders. In addition, UBS agreed to include,
and has included, such persons as nominees for election as directors of UBS at
the 1998 Annual Meeting of Shareholders.

       Name                         Principal Occupation During Past Five Years
       ----                         -------------------------------------------

Bernard H. Clineburg                Director, President and Chief Executive
                                    Officer, George Mason Bankshares, Inc.

C. Barrie Cook, M.D.                Chairman of the Board of American Medical
                                    Laboratories, Inc. and Chairman of the Board
                                    of George Mason Bankshares, Inc.

William A. Hazel                    Chairman of the Board of William A. Hazel,
                                    Inc.

Arthur Kellar                       Chairman of the Board of EZ Communications,
                                    Inc.

John M. McMahon                     Chairman of the Board of Miller & Long Co.,
                                    Inc.

         Additionally, pursuant to the Merger Agreement, UBS has offered
employment to Mr. Clineburg as President of UBS and has appointed him Chief
Executive Officer and Chairman of the Board for United Bank.


<PAGE>



ITEM 7.  FINANCIAL STATEMENTS, PRO FORMA FINANCIAL INFORMATION
         -----------------------------------------------------
         AND EXHIBITS
         ------------

(a)      Financial Statements of Business Acquired
         -----------------------------------------
                                                                      Page No.
                                                                      --------
         (1)      Audited Consolidated Financial Statements of
                  George Mason Bankshares, Inc.

         The following document previously filed with the Securities and
Exchange Commission by George Mason Bankshares, Inc. (File No. 0-13833) is
hereby incorporated herein by reference and attached hereto as Exhibit 99(a):

         Annual Report on Form 10-K for the fiscal year ended December 31, 1997;
pages 34-70.

(b)      Pro Forma Financial Information
         -------------------------------

         (1)      Unaudited Pro Forma Condensed Financial Statements of United
                  Bankshares, Inc. and George Mason Bankshares, Inc.

                  Introduction.........................................7

                  Pro Forma Condensed Consolidated Balance Sheet
                  as of December 31, 1997..............................8

                  Pro Forma Condensed Consolidated Statement of
                  Income for the Year Ended December 31, 1997..........9

                  Pro Forma Condensed Consolidated Statement of
                  Income for the Year Ended December 31, 1996.........10

                  Pro Forma Condensed Consolidated Statement of
                  Income for the Year Ended December 31, 1995.........11

                  Notes to Unaudited Pro Forma Condensed
                  Consolidated Financial Statements ..................12

(c)      Exhibits
         --------

         2        Amended and Restated Agreement and Plan of Merger, dated as of
                  December 10, 1997, between United Bankshares, Inc. and George
                  Mason Bankshares, Inc. (including Exhibits A, A-1, B, and C
                  and Annex A thereto).

        99(a)     Audited Consolidated Financial Statements of George Mason
                  Bankshares, Inc.; pages 34-70 of Annual Report on Form 10-K
                  for the fiscal year ended December 31, 1997.



<PAGE>



                                   SIGNATURES
                                   ----------

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

                                     UNITED BANKSHARES, INC.

Date April 16, 1998                  By /s/ Steven E. Wilson
     ______________                     ____________________
                                        Steven E. Wilson
                                        Its Executive Vice President,
                                        Secretary and Chief Financial
                                        Officer


<PAGE>



PRO FORMA CONSOLIDATED FINANCIAL STATEMENTS

         The following unaudited pro forma combined condensed consolidated
balance sheet combines the consolidated historical balance sheets of UBS and
George Mason, assuming the Merger was consummated as of the beginning of the
earliest period presented on a pooling of interests accounting basis.

         The following unaudited pro forma combined condensed consolidated
statements of income present the combined consolidated statements of income of
UBS and George Mason, assuming UBS and George Mason had been combined at
beginning of each period presented on a pooling of interests accounting basis.

         The pro forma financial data does not give effect to anticipated cost
savings in connection with the Merger.

         The pro forma information presented is not necessarily indicative of
the results of operations or the combined financial position of UBS that would
have resulted had the Merger been consummated at the beginning of the applicable
periods indicated, nor is it necessarily indicative of the results of operations
in future periods or the future financial position of the combined entities.


<PAGE>



PRO FORMA CONDENSED BALANCE SHEET (UNAUDITED)

UNITED BANKSHARES, INC. AND SUBSIDIARIES

DECEMBER 31, 1997
(IN THOUSANDS)

<TABLE>
<CAPTION>
                                                              As Reported                              UBS &
                                                            ---------------                        George Mason
                                                                     George        Pro Forma         Pro Forma
                                                            UBS       Mason       Adjustments      Consolidated
                                                            ---      ------       -----------      ------------
<S><C>
ASSETS
  Cash and due from bank                                 $   80,447  $   35,640     $                 $  116,087
  Interest-bearing deposits with other banks                  8,725                                        8,725
  Federal funds sold                                          1,000      55,052                           56,052
  Investment securities                                     453,162     373,669                          826,831
  Loans (net of unearned income)                          2,060,487     546,919                        2,607,406
  Less: allowance for loan losses                           (24,786)     (5,669)                         (30,455)
                                                         ----------  ----------     --------          ----------
   Net loans                                              2,035,701     541,250                        2,576,951
  Bank premises and equipment                                39,490       9,351                           48,841
  Other assets                                               81,265      11,023                           92,288
                                                         ----------  ----------     --------          ----------
                  TOTAL ASSETS                           $2,699,790  $1,025,985     $      0          $3,725,775
                                                         ==========  ==========     ========          ==========

LIABILITIES AND STOCKHOLDERS' EQUITY
  Demand deposits                                        $  317,930  $  176,803     $                 $  494,733
  Interest-bearing deposits                               1,788,117     642,499                        2,430,616
                                                         ----------  ----------     --------          ----------
  Total deposits                                          2,106,047     819,302                        2,925,349
  Short-term borrowings                                     130,870     119,309                          250,179
  Federal Home Loan Bank borrowings                         142,695       3,500                          146,195
  Other liabilities                                          40,740       7,838                           48,578
                                                         ----------  ----------     --------          ----------
                  TOTAL LIABILITIES                       2,420,352     949,949                        3,370,301

STOCKHOLDERS' EQUITY:
  Common stock                                               76,476       5,840        5,374 (1)          87,690
  Surplus                                                    41,014      43,163      (13,289)(1)          70,888
  Retained earnings                                         165,896      26,308                          192,204
  Net unrealized holding gain on AFS securities               5,479         725                            6,204
  Treasury stock                                             (9,427)                   7,915 (1)          (1,512)
                                                         ----------  ----------     --------          ----------
                  TOTAL STOCKHOLDERS' EQUITY                279,438      76,036            0             355,474
                                                         ----------  ----------     --------          ----------
                        TOTAL LIABILITIES AND
                        STOCKHOLDERS EQUITY              $2,699,790  $1,025,985     $      0          $3,725,775
                                                         ==========  ==========     ========          ==========
</TABLE>

<PAGE>



PRO FORMA CONDENSED CONSOLIDATED STATEMENTS OF INCOME (UNAUDITED)

UNITED BANKSHARES, INC. AND SUBSIDIARIES

FOR THE YEAR ENDED DECEMBER 31, 1997
(DOLLARS IN THOUSANDS, EXCEPT PER SHARE)

<TABLE>
<CAPTION>
                                                    As Reported                                 UBS &
                                                    -----------                             George Mason
                                                              George        Pro Forma         Pro Forma
                                                  UBS         Mason        Adjustments      Consolidated
                                                  ---         ------       -----------      ------------
<S><C>
                        Interest income       $   190,252   $   64,506       $               $   254,758

                       Interest expense            84,499       32,561                           117,060
                                              -----------   ----------       ---------       -----------

                    Net interest income           105,753       31,945                           137,698

              Provision for loan losses             3,100           20                             3,120
                                              -----------   ----------       ---------       -----------

    Net interest income after provision
                        for loan losses           102,653       31,925                           134,578

                           Other income            19,732       16,644                            36,376

                         Other expenses            59,949       36,808                            96,757
                                              -----------   ----------       ---------       -----------

             Income before income taxes            62,436       11,761                            74,197

                           Income taxes            21,497        3,681                            25,178
                                              -----------   ----------       ---------       -----------

                             Net income       $    40,939   $    8,080       $               $    49,019
                                              ===========   ==========       =========       ===========
EARNINGS PER COMMON SHARE: (2)
- --------------------------
     Basic                                          $1.37        $1.58                             $1.27
     Diluted                                        $1.35        $1.54                             $1.25


Average basic outstanding shares               29,954,116    5,105,000                        38,632,616

Average diluted outstanding shares             30,271,992    5,247,000                        39,191,892
</TABLE>


<PAGE>


PRO FORMA CONDENSED CONSOLIDATED STATEMENTS OF INCOME (UNAUDITED)

UNITED BANKSHARES, INC. AND SUBSIDIARIES

FOR THE YEAR ENDED DECEMBER 31, 1996
(DOLLARS IN THOUSANDS, EXCEPT PER SHARE)

<TABLE>
<CAPTION>
                                                    As Reported                                 UBS &
                                                    -----------                             George Mason
                                                              George        Pro Forma         Pro Forma
                                                  UBS         Mason        Adjustments      Consolidated
                                                  ---         ------       -----------      ------------
<S><C>
                        Interest income       $   172,358   $   53,727       $               $   226,085

                       Interest expense            73,185       26,264                            99,449
                                              -----------   ----------       ---------       -----------

                    Net interest income            99,173       27,463                           126,636

              Provision for loan losses             2,610          181                             2,791
                                              -----------   ----------       ---------       -----------

    Net interest income after provision
                        for loan losses            96,563       27,282                           123,845

                           Other income            14,189       14,852                            29,041

                         Other expenses            63,549       32,179                            95,728
                                              -----------   ----------       ---------       -----------

             Income before income taxes            47,203        9,955                            57,158

                           Income taxes            16,691        3,072                            19,763
                                              -----------   ----------       ---------       -----------

                             Net income       $    30,512   $    6,883       $               $    37,395
                                              ===========   ==========       =========       ===========
EARNINGS PER COMMON SHARE: (2)
- --------------------------
     Basic                                          $1.01        $1.38                             $0.97
     Diluted                                        $1.00        $1.35                             $0.96


Average basic outstanding shares               30,281,260    4,980,000                        38,747,260

Average diluted outstanding shares             30,506,712    5,088,000                        39,085,274
</TABLE>



<PAGE>



PRO FORMA CONDENSED CONSOLIDATED STATEMENTS OF INCOME (UNAUDITED)

UNITED BANKSHARES, INC. AND SUBSIDIARIES

FOR THE YEAR ENDED DECEMBER 31, 1995
(DOLLARS IN THOUSANDS, EXCEPT PER SHARE)

<TABLE>
<CAPTION>
                                                    As Reported                                 UBS &
                                                    -----------                             George Mason
                                                              George        Pro Forma         Pro Forma
                                                  UBS         Mason        Adjustments      Consolidated
                                                  ---         ------       -----------      ------------
<S><C>
                        Interest income       $   165,815   $   44,119       $               $   209,934

                       Interest expense            70,167       19,949                            90,116
                                              -----------   ----------       ---------       -----------

                    Net interest income            95,648       24,170                           119,818

              Provision for loan losses             2,320           18                             2,338
                                              -----------   ----------       ---------       -----------

    Net interest income after provision
                        for loan losses            93,328       24,152                           117,480

                           Other income            14,752       10,359                            25,111

                         Other expenses            57,481       26,124                            83,605
                                              -----------   ----------       ---------       -----------

             Income before income taxes            50,599        8,387                            58,986

                           Income taxes            17,782        2,095                            19,877
                                              -----------   ----------       ---------       -----------

                             Net income       $    32,817   $    6,292       $               $    39,109
                                              ===========   ==========       =========       ===========
EARNINGS PER COMMON SHARE: (2)
- --------------------------
     Basic                                          $1.10        $1.30                             $1.02
     Diluted                                        $1.09        $1.28                             $1.02


Average basic outstanding shares               29,966,308    4,833,000                        38,182,408

Average diluted outstanding shares             30,162,140    4,904,000                        38,471,372
</TABLE>


<PAGE>



NOTES TO UNAUDITED PRO FORMA CONDENSED CONSOLIDATED FINANCIAL STATEMENTS

UNITED BANKSHARES, INC. AND SUBSIDIARIES

Notes to Pro Forma Condensed Balance Sheet
- ------------------------------------------

(1) The stockholders' equity accounts are adjusted to reflect the issuance of
8,943,700 shares of UBS common stock at $2.50 par value. The Exchange Ratio is
1.7 shares of UBS Stock for each share of George Mason Stock outstanding. At
December 31, 1997, there were 5,261,000 shares of George Mason Stock
outstanding. Treasury stock has been adjusted for the reissuance of all but
50,000 shares at each respective date which are presumed to be retained for
United's incentive stock option programs and other employee benefit plans.

The effect of United's acquisition of First Patriot Bankshares Corporation,
Reston, Virginia on August 1, 1997, has not been reflected in the accompanying
unaudited pro forma condensed consolidated financial statements. If the effect
had been included in the accompanying unaudited pro forma condensed consolidated
financial statements, the results would not be materially different than those
presented herein.

(2) The earnings per share amounts for all periods presented have been restated
to reflect the adoption of Statement of Financial Accounting Standards No. 128,
EARNINGS PER SHARE.


<PAGE>


                                 EXHIBIT INDEX

                                                                  Page No.
                                                                  --------

 2                Amended and Restated Agreement and Plan of
                  Merger, dated as of December 10, 1997 between
                  United Bankshares, Inc. and George Mason
                  Bankshares, Inc. (including Exhibits A, A-1, B
                  and C and Annex A thereto)........................14

99(a)             Audited Consolidated Financial Statements of
                  George Mason Bankshares, Inc.; pages 34-70 of
                  Annual report on Form 10-K for the fiscal year
                  ended December 31, 1997...........................67





                                   Exhibit 2



<PAGE>



                              AMENDED AND RESTATED
                          AGREEMENT AND PLAN OF MERGER

<PAGE>
                                                                  CONFORMED COPY
- --------------------------------------------------------------------------------
- --------------------------------------------------------------------------------

                              AMENDED AND RESTATED

                          AGREEMENT AND PLAN OF MERGER

                         dated as of December 10, 1997

                                 by and between

                            UNITED BANKSHARES, INC.

                                      and

                         GEORGE MASON BANKSHARES, INC.

- --------------------------------------------------------------------------------
- --------------------------------------------------------------------------------
 
<PAGE>
                               TABLE OF CONTENTS

<TABLE>
<CAPTION>
                                                                                                                            PAGE
                                                                                                                            ----
<S>                                                                                                                         <C>
RECITALS.................................................................................................................    A-1

                                                           ARTICLE I

Certain Definitions......................................................................................................    A-1
         1.01   CERTAIN DEFINITIONS......................................................................................    A-1
 
                                                           ARTICLE II
 
The Merger...............................................................................................................    A-3
         2.01   THE MERGER...............................................................................................    A-3
         2.02   ARTICLES AMENDMENT.......................................................................................    A-4
         2.03   EFFECTIVE DATE AND EFFECTIVE TIME........................................................................    A-4
         2.04   PLAN OF MERGER...........................................................................................    A-4
 
                                                          ARTICLE III

Consideration; Exchange Procedures.......................................................................................    A-4
         3.01   MERGER CONSIDERATION.....................................................................................    A-4
         3.02   RIGHTS AS STOCKHOLDERS; STOCK TRANSFERS..................................................................    A-4
         3.03   FRACTIONAL SHARES........................................................................................    A-5
         3.04   EXCHANGE PROCEDURES......................................................................................    A-5
         3.05   ANTI-DILUTION PROVISIONS.................................................................................    A-5
         3.06   OPTIONS..................................................................................................    A-5
 
                                                           ARTICLE IV

Actions Pending Acquisition..............................................................................................    A-6
         4.01   FOREBEARANCES OF MASON...................................................................................    A-6
         4.02   FOREBEARANCES OF UNITED..................................................................................    A-7
 
                                                           ARTICLE V
 
Representations and Warranties...........................................................................................    A-8
         5.01   DISCLOSURE SCHEDULES.....................................................................................    A-8
         5.02   STANDARD.................................................................................................    A-8
         5.03   REPRESENTATIONS AND WARRANTIES OF MASON..................................................................    A-8
         5.04   REPRESENTATIONS AND WARRANTIES OF UNITED.................................................................   A-13

                                                           ARTICLE VI
 
Covenants................................................................................................................   A-17
         6.01   REASONABLE BEST EFFORTS..................................................................................   A-17
         6.02   STOCKHOLDER APPROVALS....................................................................................   A-17
         6.03   REGISTRATION STATEMENT...................................................................................   A-17
         6.04   PRESS RELEASES...........................................................................................   A-18
         6.05   ACCESS; INFORMATION......................................................................................   A-18
         6.06   ACQUISITION PROPOSALS....................................................................................   A-18
         6.07   AFFILIATE AGREEMENTS.....................................................................................   A-18
         6.08   TAKEOVER LAWS............................................................................................   A-18
         6.09   CERTAIN POLICIES.........................................................................................   A-19
         6.10   NASDAQ LISTING...........................................................................................   A-19
         6.11   REGULATORY APPLICATIONS..................................................................................   A-19
         6.12   INDEMNIFICATION..........................................................................................   A-19
         6.13   BENEFIT PLANS............................................................................................   A-20
         6.14   NOTIFICATION OF CERTAIN MATTERS..........................................................................   A-20
         6.15   DIRECTORS AND OFFICERS...................................................................................   A-20
         6.16   DIVIDEND COORDINATION....................................................................................   A-20
</TABLE>
 
                                      A-i
 
<PAGE>
<TABLE>
<CAPTION>
                                                                                                                            PAGE
                                                                                                                            ----
<S>                                                                                                                         <C>
         6.17   BANK MERGER..............................................................................................   A-20
         6.18   MASON FEE................................................................................................   A-20

                                                          ARTICLE VII
 
Conditions to Consummation of the Merger.................................................................................   A-21
         7.01   CONDITIONS TO EACH PARTY'S OBLIGATION TO EFFECT THE MERGER...............................................   A-21
         7.02   CONDITIONS TO OBLIGATION OF MASON........................................................................   A-21
         7.03   CONDITIONS TO OBLIGATION OF UNITED.......................................................................   A-22
 
                                                          ARTICLE VIII
 
Termination..............................................................................................................   A-22
         8.01   TERMINATION..............................................................................................   A-22
         8.02   EFFECT OF TERMINATION AND ABANDONMENT....................................................................   A-23

                                                           ARTICLE IX
 
Miscellaneous............................................................................................................   A-23
         9.01   SURVIVAL.................................................................................................   A-23
         9.02   WAIVER; AMENDMENT........................................................................................   A-23
         9.03   COUNTERPARTS.............................................................................................   A-23
         9.04   GOVERNING LAW............................................................................................   A-23
         9.05   EXPENSES.................................................................................................   A-23
         9.06   NOTICES..................................................................................................   A-23
         9.07   ENTIRE UNDERSTANDING; NO THIRD PARTY BENEFICIARIES.......................................................   A-24
         9.08   INTERPRETATION; EFFECT...................................................................................   A-24

EXHIBIT A      Form of Stock Option Agreement (See Appendix B of this Proxy Statement)
EXHIBIT A-1    Plan of Merger
EXHIBIT B      Form of Mason Affiliate Agreement
EXHIBIT C      Form of United Affiliate Agreement

ANNEX A      Form of Supplement for Merger Sub
                     Accession to Acquisition Agreement
</TABLE>

                                      A-ii
 
<PAGE>
     AMENDED AND RESTATED AGREEMENT AND PLAN OF MERGER, dated as of December 10,
1997 (this "AGREEMENT"), by and between George Mason Bankshares, Inc. ("MASON")
and, United Bankshares, Inc. ("UNITED").
 
                                    RECITALS

     A. MASON. Mason is a Virginia corporation, having its principal place of
business in Fairfax, Virginia.
 
     B. UNITED. United is a West Virginia corporation, having its principal
place of business in Charleston, West Virginia.
 
     C. STOCK OPTION AGREEMENT. As an inducement to the willingness of United to
continue to pursue the transactions contemplated by this Agreement , Mason
expects (but is not obligated) to grant to United an option pursuant to a stock
option agreement, in substantially the form of EXHIBIT A.
 
     D. INTENTIONS OF THE PARTIES. It is the intention of the parties to this
Agreement that the business combination contemplated hereby be accounted for
under the "pooling-of-interests" accounting method and treated as a
"reorganization" under Section 368 of the Internal Revenue Code of 1986 (the
"CODE").
 
     E. BOARD ACTION. The respective Boards of Directors of each of United and
Mason have determined that it is in the best interests of their respective
companies and their stockholders to consummate the strategic business
combination transaction provided for herein.

     NOW, THEREFORE, in consideration of the premises and of the mutual
covenants, representations, warranties and agreements contained herein the
parties agree as follows:
 
                                   ARTICLE I
 
                              CERTAIN DEFINITIONS
 
     1.01 CERTAIN DEFINITIONS. The following terms are used in this Agreement
with the meanings set forth below:
 
     "ACQUISITION PROPOSAL" means any tender or exchange offer, proposal for a
merger, consolidation or other business combination involving Mason or any of
its Subsidiaries or any proposal or offer to acquire in any manner a substantial
equity interest in, or a substantial portion of the assets or deposits of, Mason
or any of its Subsidiaries, other than the transactions contemplated by this
Agreement.
 
     "AGREEMENT" means this Agreement, as amended or modified from time to time
in accordance with Section 9.02.
 
     "CODE" means the Internal Revenue Code of 1986, as amended.

     "COMPENSATION AND BENEFIT PLANS" has the meaning set forth in Section
5.03(m).
 
     "CORPORATION COMMISSION" has the meaning set forth in Section 2.01(b).
 
     "COSTS" has the meaning set forth in Section 6.12(a).
 
     "DISCLOSURE SCHEDULE" has the meaning set forth in Section 5.01.
 
     "EFFECTIVE DATE" means the date on which the Effective Time occurs.
 
     "EFFECTIVE TIME" means the effective time of the Merger, as provided for in
Section 2.03.
 
     "ENVIRONMENTAL LAWS" means all applicable local, state and federal
environmental, health and safety laws and regulations, including, without
limitation, the Resource Conservation and Recovery Act, the Comprehensive
Environmental Response, Compensation, and Liability Act, the Clean Water Act,
the Federal Clean Air Act, and the Occupational Safety and Health Act, each as
amended, regulations promulgated thereunder, and state counterparts.
 
     "ERISA" means the Employee Retirement Income Security Act of 1974, as
amended.
 
     "ERISA AFFILIATE" has the meaning set forth in Section 5.03(m).
 
     "EXCHANGE ACT" means the Securities Exchange Act of 1934, as amended, and
the rules and regulations thereunder.
 
     "EXCHANGE AGENT" has the meaning set forth in Section 3.04.
 
     "EXCHANGE RATIO" has the meaning set forth in Section 3.01.
 
                                      A-1
 
<PAGE>
     "GOVERNMENTAL AUTHORITY" means any court, administrative agency or
commission or other federal, state or local governmental authority or
instrumentality.
 
     "INDEMNIFIED PARTY" has the meaning set forth in Section 6.12(a).
 
     "INSURANCE AMOUNT" has the meaning set forth in Section 6.12(b).

     "INSURANCE POLICY" has the meaning set forth in Section 5.03(t).
 
     "LIEN" means any charge, mortgage, pledge, security interest, restriction,
claim, lien, or encumbrance.
 
     "MASON" has the meaning set forth in the preamble to this Agreement.
 
     "MASON AFFILIATE" has the meaning set forth in Section 6.07(a).
 
     "MASON BOARD" means the Board of Directors of Mason.
 
     "MASON BY-LAWS" means the By-laws of Mason.
 
     "MASON CERTIFICATE" means the Amended Articles of Incorporation of Mason.
 
     "MASON COMMON STOCK" means the common stock, par value $1.11 per share, of
Mason.
 
     "MASON MEETING" has the meaning set forth in Section 6.02.
 
     "MASON PREFERRED STOCK" means the preferred stock, par value $0.01 per
share, of Mason.
 
     "MASON STOCK" means, collectively, Mason Common Stock and Mason Preferred
Stock.
 
     "MASON STOCK PLANS" has the meaning set forth in Section 3.06.
 
     "MATERIAL ADVERSE EFFECT" means, with respect to United or Mason, any
effect that (i) is material and adverse to the financial position, results of
operations or business of United and its Subsidiaries taken as a whole or Mason
and its Subsidiaries taken as a whole, respectively, or (ii) would materially
impair the ability of either United or Mason to perform its obligations under
this Agreement or otherwise materially threaten or materially impede the
consummation of the Merger and the other transactions contemplated by this
Agreement; PROVIDED, HOWEVER, that Material Adverse Effect shall not be deemed
to include the impact of (a) changes in banking and similar laws of general
applicability or interpretations thereof by courts or governmental authorities,
(b) changes in generally accepted accounting principles or regulatory accounting
requirements applicable to banks and their holding companies generally and (c)
any modifications or changes to valuation policies and practices in connection
with the Merger or restructuring charges taken in connection with the Merger, in
each case in accordance with generally accepted accounting principles.

     "MERGER" has the meaning set forth in Section 2.01.
 
     "MERGER CONSIDERATION" has the meaning set forth in Section 3.01.
 
     "MERGER SUB" means George Mason Holding Company, a Virginia corporation,
and/or one or more other corporations or limited liability companies to be
organized under the corporate laws of a State by United prior to the Effective
Time; provided that the laws of the State of incorporation thereof shall permit
the merger of corporations or limited liability companies organized thereunder
with and into a Virginia corporation.
 
     "MULTIEMPLOYER PLAN" has the meaning set forth in Section 5.03(m).
 
     "NASDAQ" means The Nasdaq Stock Market, Inc.'s National Market System.
 
     "NEW CERTIFICATE" has the meaning set forth in Section 3.04.
 
     "OLD CERTIFICATE" has the meaning set forth in Section 3.04.
 
     "PBGC" means the Pension Benefit Guaranty Corporation.
 
     "PERSON" means any individual, bank, corporation, partnership, association,
joint-stock company, business trust or unincorporated organization.
 
     "PENSION PLAN" has the meaning set forth in Section 5.03(m).
 
     "PLANS" has the meaning set forth in Section 5.03(m).
 
                                      A-2
 
<PAGE>
     "PREVIOUSLY DISCLOSED" by a party shall mean information set forth in its
Disclosure Schedule.

     "PROXY STATEMENT" has the meaning set forth in Section 6.03.
 
     "REGISTRATION STATEMENT" has the meaning set forth in Section 6.03.
 
     "REGULATORY AUTHORITY" has the meaning set forth in Section 5.03(i).
 
     "REPRESENTATIVES" means, with respect to any Person, such Person's
directors, officers, employees, legal or financial advisors or any
representatives of such legal or financial advisors.

     "RIGHTS" means, with respect to any Person, securities or obligations
convertible into or exercisable or exchangeable for, or giving any person any
right to subscribe for or acquire, or any options, calls or commitments relating
to, or any stock appreciation right or other instrument the value of which is
determined in whole or in part by reference to the market price or value of,
shares of capital stock of such person.
 
     "SEC" means the Securities and Exchange Commission.
 
     "SEC DOCUMENTS" has the meaning set forth in Section 5.03(g).
 
     "SECURITIES ACT" means the Securities Act of 1933, as amended, and the
rules and regulations thereunder.
 
     "STOCK OPTION AGREEMENT" has the meaning set forth in Recital C.
 
     "SUBSIDIARY" and "SIGNIFICANT SUBSIDIARY" have the meanings ascribed to
them in Rule 1-02 of Regulation S-X of the SEC.
 
     "SURVIVING CORPORATION" has the meaning set forth in Section 2.01.
 
     "TAKEOVER LAWS" has the meaning set forth in Section 5.03 (o).
 
     "TAX" and "TAXES" means all federal, state, local or foreign taxes,
charges, fees, levies or other assessments, however denominated, including,
without limitation, all net income, gross income, gains, gross receipts, sales,
use, ad valorem, goods and services, capital, production, transfer, franchise,
windfall profits, license, withholding, payroll, employment, disability,
employer health, excise, estimated, severance, stamp, occupation, property,
environmental, unemployment or other taxes, custom duties, fees, assessments or
charges of any kind whatsoever, together with any interest and any penalties,
additions to tax or additional amounts imposed by any taxing authority whether
arising before, on or after the Effective Date.

     "TAX RETURNS" means any return, amended return or other report (including
elections, declarations, disclosures, schedules, estimates and information
returns) required to be filed with respect to any Tax.
 
     "TREASURY STOCK" shall mean shares of Mason Stock held by Mason or any of
its Subsidiaries or by United or any of its Subsidiaries, in each case other
than in a fiduciary capacity or as a result of debts previously contracted in
good faith.
 
     "UNITED" has the meaning set forth in the preamble to this Agreement.
 
     "UNITED BOARD" means the Board of Directors of United.
 
     "UNITED COMMON STOCK" means the common stock, par value $2.50 per share, of
United.
 
     "UNITED MEETING" has the meaning set forth in Section 6.02.
 
     "VSCA" means the Virginia Stock Corporation Act.
 
     "WEST VIRGINIA SECRETARY" means the Office of the Secretary of State of the
State of West Virginia.
 
     "WVCA" means the West Virginia Corporation Act.
 
                                   ARTICLE II
 
                                   THE MERGER
 
     2.01 THE MERGER. (a) Prior to the Effective Time, United shall take any and
all action necessary (i) duly to organize one or more Merger Subs for the
purpose of consummating the Merger; (ii) to cause each Merger Sub to become a
party to this Agreement, to be evidenced by the execution by each Merger Sub of
a supplement to this Agreement in substantially the
 
                                      A-3
 
<PAGE>
form of Annex A , and delivery thereof to Mason; and (iii) to cause each Merger
Sub to take all actions necessary or proper to comply with the obligations of
United and each such Merger Sub to consummate the transactions contemplated
hereby.
 
     (b) At the Effective Time, Merger Sub shall merge with and into Mason (the
"MERGER"), the separate corporate existence of Merger Sub shall cease and Mason
shall survive and continue to exist as a Virginia corporation (Mason, as the
surviving corporation in the Merger, sometimes being referred to herein as the
"SURVIVING CORPORATION"). United may at any time prior to the Effective Time
change the method of effecting the combination with Mason (including, without
limitation, the provisions of this Article II) if and to the extent it deems
such change to be necessary, appropriate or desirable; PROVIDED, HOWEVER, that
no such change shall (i) alter or change the amount or kind of consideration to
be issued to holders of Mason Stock as provided for in this Agreement (the
"MERGER CONSIDERATION"), (ii) adversely affect the tax treatment of Mason's
stockholders as a result of receiving the Merger Consideration or the Merger
qualifying for "pooling of interests" accounting treatment or (iii) materially
impede or delay consummation of the transactions contemplated by this Agreement;
and PROVIDED FURTHER, that United shall provide Mason written notice of such
change.
 
     (c) Subject to the satisfaction or waiver of the conditions set forth in
Article VII, the Merger shall become effective upon the occurrence of the filing
in the office of the Virginia State Corporation Commission (the "CORPORATION
COMMISSION") of articles of merger in accordance with Section 13.1-720 of the
VSCA or such later date and time as may be set forth in such articles and the
issuance of a certificate of merger by the Corporation Commission under the
VSCA. The Merger shall have the effects prescribed in the VSCA.
 
     2.02 ARTICLES AMENDMENT. At the Effective Time, Article VI of the United
Restated Articles of Incorporation shall be amended to read as follows (the
"Articles Amendment"):
 
     "VI. The amount of the authorized capital stock of the corporation is
$100,000,000 which shall be divided into 40,000,000 shares of a par value of
$2.50 per share."

     2.03 EFFECTIVE DATE AND EFFECTIVE TIME. Subject to the satisfaction or
waiver of the conditions set forth in Article VII, the parties shall cause the
effective date of the Merger (the "EFFECTIVE DATE") to occur on (i) the fifth
business day to occur after the last of the conditions set forth in Article VII
shall have been satisfied or waived in accordance with the terms of this
Agreement (or, at the election of United, on the last business day of the month
in which such fifth business day occurs or, if such fifth business day occurs
within the last five business days of such month, on the last business day of
the succeeding month) or (ii) such other date to which the parties may agree in
writing; PROVIDED, HOWEVER, that in no event shall the Effective Date occur on
or prior to January 1, 1998. The time on the Effective Date when the Merger
shall become effective is referred to as the "EFFECTIVE TIME."
 
     2.04 PLAN OF MERGER. The plan of merger included in this Agreement is
separately stated in the Plan of Merger (the "PLAN OF MERGER") attached hereto
as Exhibit A-1. The parties agree that subject to the provisions of this
Agreement, including the approval of the Plan of Merger by the requisite vote of
stockholders of Mason, the Plan of Merger shall be incorporated into the
articles of merger to be filed with the Corporation Commission to effect the
merger.
 
                                  ARTICLE III
 
                       CONSIDERATION; EXCHANGE PROCEDURES
 
     3.01 MERGER CONSIDERATION. Subject to the provisions of this Agreement, at
the Effective Time, automatically by virtue of the Merger and without any action
on the part of any Person:
 
          (a) OUTSTANDING MASON COMMON STOCK AND MASON RIGHTS. Each share,
     excluding Treasury Stock, of Mason Common Stock issued and outstanding
     immediately prior to the Effective Time shall become and be converted into
     0.85 of a share of United Common Stock (the "Exchange Ratio"). The Exchange
     Ratio shall be subject to adjustment as set forth in Section 3.05.
 
          (b) OUTSTANDING UNITED STOCK. Each share of United Common Stock issued
     and outstanding immediately prior to the Effective Time shall remain issued
     and outstanding and unaffected by the Merger.
 
          (c) TREASURY SHARES. Each share of Mason Common Stock held as Treasury
     Stock immediately prior to the Effective Time shall be canceled and retired
     at the Effective Time and no consideration shall be issued in exchange
     therefor.

     3.02 RIGHTS AS STOCKHOLDERS; STOCK TRANSFERS. At the Effective Time,
holders of Mason Stock shall cease to be, and shall have no rights as,
stockholders of Mason, other than to receive any dividend or other distribution
with respect to such
 
                                      A-4
 
<PAGE>
Mason Stock with a record date occurring prior to the Effective Time and the
consideration provided under this Article III. After the Effective Time, there
shall be no transfers on the stock transfer books of Mason or the Surviving
Corporation of shares of Mason Stock.
 
     3.03 FRACTIONAL SHARES. Notwithstanding any other provision hereof, no
fractional shares of United Common Stock and no certificates or scrip therefor,
or other evidence of ownership thereof, will be issued in the Merger; instead,
United shall pay to each holder of Mason Common Stock who would otherwise be
entitled to a fractional share of United Common Stock (after taking into account
all Old Certificates delivered by such holder) an amount in cash (without
interest) determined by multiplying such fraction by the average of the last
sale prices of United Common Stock, as reported by NASDAQ reporting system (as
reported in THE WALL STREET JOURNAL or, if not reported therein, in another
authoritative source), for the five NASDAQ trading days immediately preceding
the Effective Date.
 
     3.04 EXCHANGE PROCEDURES. (a) At or prior to the Effective Time, United
shall deposit, or shall cause to be deposited, with United Bank (in such
capacity, the "EXCHANGE AGENT"), for the benefit of the holders of certificates
formerly representing shares of Mason Common Stock ("OLD CERTIFICATES"), for
exchange in accordance with this Article III, certificates representing the
shares of United Common Stock ("NEW CERTIFICATES") and an estimated amount of
cash (such cash and New Certificates, together with any dividends or
distributions with a record date occurring after the Effective Date with respect
thereto (without any interest on any such cash, dividends or distributions),
being hereinafter referred to as the "EXCHANGE FUND") to be paid pursuant to
this Article III in exchange for outstanding shares of Mason Common Stock.
 
     (b) As promptly as practicable after the Effective Date, United shall send
or cause to be sent to each former holder of record of shares of Mason Common
Stock immediately prior to the Effective Time transmittal materials for use in
exchanging such stockholder's Old Certificates for the consideration set forth
in this Article III. United shall cause the New Certificates into which shares
of a stockholder's Mason Common Stock are converted on the Effective Date and/or
any check in respect of any fractional share interests or dividends or
distributions which such person shall be entitled to receive to be delivered to
such stockholder upon delivery to the Exchange Agent of Old Certificates
representing such shares of Mason Common Stock (or indemnity reasonably
satisfactory to United and the Exchange Agent, if any of such certificates are
lost, stolen or destroyed) owned by such stockholder. No interest will be paid
on any such cash to be paid in lieu of fractional share interests or in respect
of dividends or distributions which any such person shall be entitled to receive
pursuant to this Article III upon such delivery.
 
     (c) Notwithstanding the foregoing, neither the Exchange Agent, if any, nor
any party hereto shall be liable to any former holder of Mason Stock for any
amount properly delivered to a public official pursuant to applicable abandoned
property, escheat or similar laws.
 
     (d) No dividends or other distributions with respect to United Common Stock
with a record date occurring after the Effective Time shall be paid to the
holder of any unsurrendered Old Certificate representing shares of Mason Common
Stock converted in the Merger into the right to receive shares of such United
Common Stock until the holder thereof shall be entitled to receive New
Certificates in exchange therefor in accordance with the procedures set forth in
this Section 3.04, and, following 90 days after the Effective Date, no such
shares of Mason Common Stock shall be eligible to vote until the holder of Old
Certificates is entitled to receive New Certificates in accordance with the
procedures set forth in this Section 3.04. After becoming so entitled in
accordance with this Section 3.04, the record holder thereof also shall be
entitled to receive any such dividends or other distributions, without any
interest thereon, which theretofore had become payable with respect to shares of
United Common Stock such holder had the right to receive upon surrender of the
Old Certificates.
 
     (e) Any portion of the Exchange Fund that remains unclaimed by the
stockholders of Mason for six months after the Effective Time shall be paid to
United. Any stockholders of Mason who have not theretofore complied with this
Article III shall thereafter look only to United for payment of the shares of
United Common Stock, cash in lieu of any fractional shares and unpaid dividends
and distributions on United Common Stock deliverable in respect of each share of
Mason Common Stock such stockholder holds as determined pursuant to this
Agreement, in each case, without any interest thereon.
 
     3.05 ANTI-DILUTION PROVISIONS. In the event United changes (or establishes
a record date for changing) the number of shares of United Common Stock issued
and outstanding prior to the Effective Date as a result of a stock split, stock
dividend, recapitalization or similar transaction with respect to the
outstanding United Common Stock and the record date therefor shall be prior to
the Effective Date, the Exchange Ratio shall be proportionately adjusted.
 
     3.06 OPTIONS. (a) At the Effective Time, each outstanding option to
purchase shares of Mason Common Stock under the Mason Stock Plans (each, a
"MASON STOCK OPTION"), whether vested or unvested, shall be converted into an
option to acquire, on the same terms and conditions as were applicable under
such Mason Stock Option, the number of shares of United
 
                                      A-5
 
<PAGE>
Common Stock equal to (a) the number of shares of Mason Common Stock subject to
the Mason Stock Option, multiplied by (b) the Exchange Ratio (such product
rounded to the nearest whole number) (a "REPLACEMENT OPTION"), at an exercise
price per share (rounded to the nearest whole cent) equal to (y) the aggregate
exercise price for the shares of Mason Common Stock which were purchasable
pursuant to such Mason Stock Option divided by (z) the number of full shares of
United Common Stock subject to such Replacement Option in accordance with the
foregoing. Notwithstanding the foregoing, each Mason Stock Option which is
intended to be an "incentive stock option" (as defined in Section 422 of the
Code) shall be adjusted in accordance with the requirements of Section 424 of
the Code. At or prior to the Effective Time, Mason shall use its best efforts,
including using its best efforts to obtain any necessary consents from
optionees, with respect to the Mason Stock Plans to permit the replacement of
the outstanding Mason Stock Options by United pursuant to this Section and to
permit United to assume the Mason Stock Plans. Mason shall further take all
action necessary to amend the Mason Stock Plans to eliminate automatic grants or
awards thereunder following the Effective Time. At the Effective Time, United
shall assume the Mason Stock Plans; PROVIDED, that such assumption shall be only
in respect of the Replacement Options and that United shall have no obligation
with respect to any awards under the Mason Stock Plans other than the
Replacement Options and shall have no obligation to make any additional grants
or awards under such assumed Mason Stock Plans.

     (b) At all times after the Effective Time, United shall reserve for
issuance such number of shares of United Common Stock as necessary so as to
permit the exercise of options granted under the Mason Stock Plans in the manner
contemplated by this Agreement and the instruments pursuant to which such
options were granted. United shall make all filings required under federal and
state securities laws no later than the Effective Time so as to permit the
exercise of such options and the sale of the shares received by the optionee
upon such exercise at and after the Effective Time and United shall continue to
make such filings thereafter as may be necessary to permit the continued
exercise of options and sale of such shares.
 
                                   ARTICLE IV
 
                          ACTIONS PENDING ACQUISITION
 
     4.01 FOREBEARANCES OF MASON. From the date hereof until the Effective Time,
except as expressly contemplated by this Agreement, without the prior written
consent of United, Mason will not, and will cause each of its Subsidiaries not
to:
 
          (a) ORDINARY COURSE. Conduct the business of Mason and its
     Subsidiaries other than in the ordinary and usual course or fail to use
     reasonable efforts to preserve intact their business organizations and
     assets and maintain their rights, franchises and existing relations with
     customers, suppliers, employees and business associates, or take any action
     reasonably likely to have an adverse affect upon Mason's ability to perform
     any of its material obligations under this Agreement.
 
          (b) CAPITAL STOCK. Other than pursuant to Rights Previously Disclosed
     and outstanding on the date hereof, (i) issue, sell or otherwise permit to
     become outstanding, or authorize the creation of, any additional shares of
     Mason Stock or any Rights, (ii) enter into any agreement with respect to
     the foregoing, or (iii) permit any additional shares of Mason Stock to
     become subject to new grants of employee or director stock options, other
     Rights or similar stock-based employee rights.
 
          (c) DIVIDENDS, ETC. (a) Make, declare, pay or set aside for payment
     any dividend, other than (A) quarterly cash dividends on Mason Stock in an
     amount not to exceed $0.14 per share with record and payment dates
     consistent with past practice, and (B) dividends from wholly owned
     Subsidiaries to Mason or another wholly owned Subsidiary of Mason) on or in
     respect of, or declare or make any distribution on any shares of Mason
     Stock or (b) directly or indirectly adjust, split, combine, redeem,
     reclassify, purchase or otherwise acquire, any shares of its capital stock.
 
          (d) COMPENSATION; EMPLOYMENT AGREEMENTS; ETC. Enter into or amend or
     renew any employment, consulting, severance or similar agreements or
     arrangements with any director, officer or employee of Mason or its
     Subsidiaries, or grant any salary or wage increase or increase any employee
     benefit, (including incentive or bonus payments) except (i) for normal
     individual increases in compensation to employees in the ordinary course of
     business consistent with past practice, (ii) for other changes that are
     required by applicable law, (iii) to satisfy Previously Disclosed
     contractual obligations existing as of the date hereof, or (iv) for grants
     of awards to newly hired employees consistent with past practice.
 
          (e) BENEFIT PLANS. Enter into, establish, adopt or amend (except (i)
     as may be required by applicable law or (ii) to satisfy Previously
     Disclosed contractual obligations existing as of the date hereof) any
     pension, retirement, stock option, stock purchase, savings, profit sharing,
     deferred compensation, consulting, bonus, group insurance or other employee
     benefit, incentive or welfare contract, plan or arrangement, or any trust
     agreement (or similar arrangement) related
 
                                      A-6

<PAGE>
     thereto, in respect of any director, officer or employee of Mason or its
     Subsidiaries, or take any action to accelerate the vesting or
     exercisability of stock options, restricted stock or other compensation or
     benefits payable thereunder.
 
          (f) DISPOSITIONS. Except as Previously Disclosed, sell, transfer,
     mortgage, encumber or otherwise dispose of or discontinue any of its
     assets, deposits, business or properties except in the ordinary course of
     business and in a transaction that is not material to it and its
     Subsidiaries taken as a whole.
 
          (g) ACQUISITIONS. Except as Previously Disclosed, acquire (other than
     by way of foreclosures or acquisitions of control in a bona fide fiduciary
     capacity or in satisfaction of debts previously contracted in good faith,
     in each case in the ordinary and usual course of business consistent with
     past practice) all or any portion of, the assets, business, deposits or
     properties of any other entity.
 
          (h) GOVERNING DOCUMENTS. Amend the Mason Certificate, Mason By-laws or
     the certificate of incorporation or by-laws (or similar governing
     documents) of any of Mason's Subsidiaries.
 
          (i) ACCOUNTING METHODS. Implement or adopt any change in its
     accounting principles, practices or methods, other than as may be required
     by generally accepted accounting principles.
 
          (j) CONTRACTS. Except in the ordinary course of business consistent
     with past practice, enter into or terminate any material contract (as
     defined in Section 5.03(k)) or amend or modify in any material respect any
     of its existing material contracts.

          (k) CLAIMS. Except in the ordinary course of business consistent with
     past practice, settle any claim, action or proceeding, except for any
     claim, action or proceeding which does not involve precedent for other
     material claims, actions or proceedings and which involve solely money
     damages in an amount, individually or in the aggregate for all such
     settlements, that is not material to Mason and its Subsidiaries, taken as a
     whole.
 
          (l) ADVERSE ACTIONS. (a) Take any action while knowing that such
     action would, or is reasonably likely to, prevent or impede the Merger from
     qualifying (i) for "pooling of interests" accounting treatment or (ii) as a
     reorganization within the meaning of Section 368 of the Code; or (b)
     knowingly take any action that is intended or is reasonably likely to
     result in (i) any of its representations and warranties set forth in this
     Agreement being or becoming untrue in any material respect at any time at
     or prior to the Effective Time, (ii) any of the conditions to the Merger
     set forth in Article VII not being satisfied or (iii) a material violation
     of any provision of this Agreement except, in each case, as may be required
     by applicable law or regulation.
 
          (m) RISK MANAGEMENT. Except as required by applicable law or
     regulation, (i) implement or adopt any material change in its interest rate
     and other risk management policies, procedures or practices; (ii) fail to
     follow its existing policies or practices with respect to managing its
     exposure to interest rate and other risk; or (iii) fail to use commercially
     reasonable means to avoid any material increase in its aggregate exposure
     to interest rate risk.
 
          (n) INDEBTEDNESS. Incur any indebtedness for borrowed money other than
     in the ordinary course of business.
 
          (o) COMMITMENTS. Agree or commit to do any of the foregoing.
 
     4.02 FOREBEARANCES OF UNITED. From the date hereof until the Effective
Time, except as expressly contemplated by this Agreement, without the prior
written consent of Mason, United will not, and will cause each of its
Subsidiaries not to:
 
          (a) PRESERVATION. Fail to use reasonable efforts to preserve intact in
     any material respect their business organizations and assets and maintain
     their rights, franchises and existing relations with customers, suppliers,
     employees and business associates.
 
          (b) EXTRAORDINARY DIVIDENDS. Make, declare, pay or set aside for
     payment any extraordinary dividend.
 
          (c) ADVERSE ACTIONS. (a) Take any action while knowing that such
     action would, or is reasonably likely to, prevent or impede the Merger from
     qualifying (i) for "pooling of interests" accounting treatment or (ii) as a
     reorganization within the meaning of Section 368 of the Code; or (b)
     knowingly take any action that is intended or is reasonably likely to
     result in (i) any of its representations and warranties set forth in this
     Agreement being or becoming untrue in any material respect at any time at
     or prior to the Effective Time, (ii) any of the conditions to the Merger
     set forth in Article VII not being satisfied or (iii) a material violation
     of any provision of this Agreement except, in each case, as may be required
     by applicable law or regulation; PROVIDED, HOWEVER, that nothing contained
     herein shall limit the ability of United to exercise its rights under the
     Stock Option Agreement.
 
          (d) COMMITMENTS. Agree or commit to do any of the foregoing.
 
                                      A-7
 
<PAGE>
                                   ARTICLE V
 
                         REPRESENTATIONS AND WARRANTIES
 
     5.01 DISCLOSURE SCHEDULES. On or prior to the date hereof, United has
delivered to Mason a schedule and Mason has delivered to United a schedule
(respectively, its "DISCLOSURE SCHEDULE") setting forth, among other things,
items the disclosure of which is necessary or appropriate either in response to
an express disclosure requirement contained in a provision hereof or as an
exception to one or more representations or warranties contained in Section 5.03
or 5.04 or to one or more of its covenants contained in Article IV; PROVIDED,
that (a) no such item is required to be set forth in a Disclosure Schedule as an
exception to a representation or warranty if its absence would not be reasonably
likely to result in the related representation or warranty being deemed untrue
or incorrect under the standard established by Section 5.02, and (b) the mere
inclusion of an item in a Disclosure Schedule as an exception to a
representation or warranty shall not be deemed an admission by a party that such
item represents a material exception or fact, event or circumstance or that such
item is reasonably likely to result in a Material Adverse Effect on the party
making the representation. Mason's representations, warranties and covenants
contained in this Agreement shall not be deemed to be untrue or breached as a
result of effects arising solely from actions taken in compliance with a written
request of United.
 
     5.02 STANDARD. No representation or warranty of Mason or United contained
in Section 5.03 or 5.04 shall be deemed untrue or incorrect, and no party hereto
shall be deemed to have breached a representation or warranty, as a consequence
of the existence of any fact, event or circumstance unless such fact,
circumstance or event, individually or taken together with all other facts,
events or circumstances inconsistent with any representation or warranty
contained in Section 5.03 or 5.04 has had or is reasonably likely to have a
Material Adverse Effect. For purposes of this Agreement, "knowledge" shall mean,
with respect to a party hereto, actual knowledge of any officer of that party
with the title, if any ranking not less than senior vice president and that
party's in-house counsel, if any.
 
     5.03 REPRESENTATIONS AND WARRANTIES OF MASON. Subject to Sections 5.01 and
5.02 and except as Previously Disclosed in a paragraph of its Disclosure
Schedule corresponding to the relevant paragraph below, Mason hereby represents
and warrants to United:
 
     (a) ORGANIZATION, STANDING AND AUTHORITY. Mason is a corporation duly
organized, validly existing and in good standing under the laws of the
Commonwealth of Virginia. Mason is duly qualified to do business and is in good
standing in the states of the United States and any foreign jurisdictions where
its ownership or leasing of property or assets or the conduct of its business
requires it to be so qualified.
 
     (b) MASON STOCK. As of the date hereof, the authorized capital stock of
Mason consists solely of (i) 9,000,000 shares of Mason Common Stock, of which
5,117,405 shares were outstanding as of the date hereof, and (ii) 1,000,000
shares of Mason Preferred Stock, of which no shares are outstanding. As of the
date hereof, no shares of Mason Common Stock and no shares of Mason Preferred
Stock were held in treasury by Mason or otherwise owned by Mason or its
Subsidiaries ("TREASURY STOCK"). The outstanding shares of Mason Stock have been
duly authorized and are validly issued and outstanding, fully paid and
nonassessable, and subject to no preemptive rights (and were not issued in
violation of any preemptive rights). As of the date hereof, except as Previously
Disclosed in its Disclosure Schedule, there are no shares of Mason Stock
authorized and reserved for issuance, Mason does not have any Rights issued or
outstanding with respect to Mason Stock, and Mason does not have any commitment
to authorize, issue or sell any Mason Stock or Rights, except pursuant to this
Agreement and the Stock Option Agreement. The number of shares of Mason Common
Stock which are issuable and reserved for issuance upon exercise of Mason Stock
Options as of the date hereof are Previously Disclosed in Mason's Disclosure
Schedule.

     (c) SUBSIDIARIES. (i)(A) Mason has Previously Disclosed a list of all of
its Subsidiaries together with the jurisdiction of organization of each such
Subsidiary, (B) except as Previously Disclosed, it owns, directly or indirectly,
all the issued and outstanding equity securities of each of its Subsidiaries,
(C) no equity securities of any of its Subsidiaries are or may become required
to be issued (other than to it or its wholly-owned Subsidiaries) by reason of
any Right or otherwise, (D) there are no contracts, commitments, understandings
or arrangements by which any of such Subsidiaries is or may be bound to sell or
otherwise transfer any equity securities of any such Subsidiaries (other than to
it or its wholly-owned Subsidiaries), (E) there are no contracts, commitments,
understandings, or arrangements relating to its rights to vote or to dispose of
such securities and (F) all the equity securities of each Subsidiary held by
Mason or its Subsidiaries are fully paid and nonassessable (except pursuant to
12 U.S.C. (section mark)55) and are owned by Mason or its Subsidiaries free and
clear of any Liens.
 
     (ii) Mason does not own beneficially, directly or indirectly, any equity
securities or similar interests of any Person, or any interest in a partnership
or joint venture of any kind, other than its Subsidiaries.
 
                                      A-8

<PAGE>
     (iii) Each of Mason's Subsidiaries has been duly organized and is validly
existing in good standing under the laws of the jurisdiction of its
organization, and is duly qualified to do business and in good standing in the
jurisdictions where its ownership or leasing of property or the conduct of its
business requires it to be so qualified.
 
     (d) CORPORATE POWER. Each of Mason and its Subsidiaries has the corporate
power and authority to carry on its business as it is now being conducted and to
own all its properties and assets; and Mason has the corporate power and
authority to execute, deliver and perform its obligations under this Agreement
and the Stock Option Agreement and to consummate the transactions contemplated
hereby and thereby.
 
     (e) CORPORATE AUTHORITY. Subject in the case of this Agreement to receipt
of the requisite approval of this Agreement (including the agreement of merger
set forth herein) by the holders of more than two-thirds of the outstanding
shares of Mason Common Stock entitled to vote thereon (which is the only
shareholder vote required thereon), this Agreement, the Stock Option Agreement
and the transactions contemplated hereby and thereby have been authorized by all
necessary corporate action of Mason and the Mason Board prior to the date
hereof. This Agreement is a valid and legally binding obligation of Mason,
enforceable in accordance with its terms (except as enforceability may be
limited by applicable bankruptcy, insolvency, reorganization, moratorium,
fraudulent transfer and similar laws of general applicability relating to or
affecting creditors' rights or by general equity principles). In approving this
Agreement and the Merger and the related transactions, the Board of Directors of
Mason has satisfied its obligations under Article 8 of the Mason Certificate.
The Mason Board of Directors has received the written opinion of Friedman,
Billings, Ramsey & Co., Inc. to the effect that as of the date hereof the
consideration to be received by the holders of Mason Common Stock in the Merger
is fair to the holders of Mason Common Stock from a financial point of view.
 
     (f) REGULATORY FILINGS; NO DEFAULTS. (i) No consents or approvals of, or
filings or registrations with, any Governmental Authority or with any third
party are required to be made or obtained by Mason or any of its Subsidiaries in
connection with the execution, delivery or performance by Mason of this
Agreement or the Stock Option Agreement or to consummate the Merger except for
(A) filings of applications or notices with federal and Virginia banking
authorities, (B) filings with the SEC and state securities authorities, and (C)
the filing of articles of merger with the Corporation Commission pursuant to the
VSCA and the issuance of a certificate of merger in connection therewith. As of
the date hereof, Mason is not aware of any reason why the approvals set forth in
Section 7.01(b) will not be received without the imposition of a condition,
restriction or requirement of the type described in Section 7.01(b).
 
     (ii) Subject to receipt of the regulatory approvals referred to in the
preceding paragraph, and expiration of related waiting periods, and required
filings under federal and state securities laws, the execution, delivery and
performance of this Agreement and the Stock Option Agreement and the
consummation of the transactions contemplated hereby and thereby do not and will
not (A) constitute a breach or violation of, or a default under, or give rise to
any Lien, any acceleration of remedies or any right of termination under, any
law, rule or regulation or any judgment, decree, order, governmental permit or
license, or agreement, indenture or instrument of Mason or of any of its
Subsidiaries or to which Mason or any of its Subsidiaries or properties is
subject or bound, (B) constitute a breach or violation of, or a default under,
the Mason Certificate or the Mason By-Laws, or (C) require any consent or
approval under any such law, rule, regulation, judgment, decree, order,
governmental permit or license, agreement, indenture or instrument.
 
     (g) FINANCIAL REPORTS AND SEC DOCUMENTS. (i) Mason's Annual Reports on Form
10-K for the fiscal years ended December 31, 1994, 1995 and 1996, and all other
reports, registration statements, definitive proxy statements or information
statements filed or to be filed by it or any of its Subsidiaries subsequent to
December 31, 1994 under the Securities Act, or under Section 13(a), 13(c), 14 or
15(d) of the Exchange Act, in the form filed or to be filed (collectively,
Mason's "SEC DOCUMENTS") with the SEC, as of the date filed, (A) complied or
will comply in all material respects with the applicable requirements under the
Securities Act or the Exchange Act, as the case may be, and (B) did not and will
not contain any untrue statement of a material fact or omit to state a material
fact required to be stated therein or necessary to make the statements therein,
in light of the circumstances under which they were made, not misleading; and
each of the balance sheets or statements of condition contained in or
incorporated by reference into any such SEC Document (including the related
notes and schedules thereto) fairly presents, or will fairly present, the
financial position of Mason and its Subsidiaries as of its date, and each of the
statements of income and changes in stockholders' equity and cash flows or
equivalent statements in such SEC Documents (including any related notes and
schedules thereto) fairly presents, or will fairly present, the results of
operations, changes in stockholders' equity and cash flows, as the case may be,
of Mason and its Subsidiaries for the periods to which they relate, in each case
in accordance with generally accepted accounting principles consistently applied
during the periods involved, except in each case as may be noted therein,
subject to normal year-end audit adjustments and the absence of footnotes in the
case of unaudited statements.
 
                                      A-9
 
<PAGE>
     (ii) Since December 31, 1996, Mason and its Subsidiaries have not incurred
any liability other than in the ordinary course of business consistent with past
practice.
 
     (iii) Since December 31, 1996, (A) Mason and its Subsidiaries have
conducted their respective businesses in the ordinary and usual course
consistent with past practice (excluding matters related to this Agreement and
the transactions contemplated hereby) and (B) no event has occurred or
circumstance arisen that, individually or taken together with all other facts,
circumstances and events (described in any paragraph of Section 5.03 or
otherwise), is reasonably likely to have a Material Adverse Effect with respect
to Mason.
 
     (h) LITIGATION. No litigation, claim or other proceeding before any court
or governmental agency is pending against Mason or any of its Subsidiaries and,
to Mason's knowledge, no such litigation, claim or other proceeding has been
threatened.
 
     (i) REGULATORY MATTERS. (i) Neither Mason nor any of its Subsidiaries or
properties is a party to or is subject to any order, decree, agreement,
memorandum of understanding or similar arrangement with, or a commitment letter
or similar submission to, or extraordinary supervisory letter from, any federal
or state governmental agency or authority charged with the supervision or
regulation of financial institutions (or their holding companies) or issuers of
securities or engaged in the insurance of deposits (including, without
limitation, the Office of the Comptroller of the Currency, the Federal Reserve
System and the FDIC) or the supervision or regulation of it or any of its
Subsidiaries (collectively, the "REGULATORY AUTHORITIES").
 
     (ii) Neither it nor any of its Subsidiaries has been advised by any
Regulatory Authority that such Regulatory Authority is contemplating issuing or
requesting (or is considering the appropriateness of issuing or requesting) any
such order, decree, agreement, memorandum of understanding, commitment letter,
supervisory letter or similar submission.
 
     (j) COMPLIANCE WITH LAWS. Each of Mason and its Subsidiaries:
 
          (i) is in compliance with all applicable federal, state, local and
     foreign statutes, laws, regulations, ordinances, rules, judgments, orders
     or decrees applicable thereto or to the employees conducting such
     businesses, including, without limitation, the Equal Credit Opportunity
     Act, the Fair Housing Act, the Community Reinvestment Act, the Home
     Mortgage Disclosure Act and all other applicable fair lending laws and
     other laws relating to discriminatory business practices;
 
          (ii) has all permits, licenses, authorizations, orders and approvals
     of, and has made all filings, applications and registrations with, all
     Governmental Authorities that are required in order to permit them to own
     or lease their properties and to conduct their businesses as presently
     conducted; all such permits, licenses, certificates of authority, orders
     and approvals are in full force and effect and, to Mason's knowledge, no
     suspension or cancellation of any of them is threatened; and
 
          (iii) has received, since December 31, 1995, no notification or
     communication from any Governmental Authority (A) asserting that Mason or
     any of its Subsidiaries is not in compliance with any of the statutes,
     regulations, or ordinances which such Governmental Authority enforces or
     (B) threatening to revoke any license, franchise, permit, or governmental
     authorization (nor, to Mason's knowledge, do any grounds for any of the
     foregoing exist).
 
     (k) MATERIAL CONTRACTS; DEFAULTS. Except for this Agreement, the Stock
Option Agreement and those agreements and other documents filed as exhibits to
its SEC Documents, neither it nor any of its Subsidiaries is a party to, bound
by or subject to any agreement, contract, arrangement, commitment or
understanding (whether written or oral) (i) that is a "material contract" within
the meaning of Item 601(b)(10) of the SEC's Regulation S-K or (ii) that
restricts or limits in any way the conduct of business by it or any of its
Subsidiaries (including without limitation a non-compete or similar provision).
Neither it nor any of its Subsidiaries is in default under any contract,
agreement, commitment, arrangement, lease, insurance policy or other instrument
to which it is a party, by which its respective assets, business, or operations
may be bound or affected, or under which it or its respective assets, business,
or operations receive benefits, and there has not occurred any event that, with
the lapse of time or the giving of notice or both, would constitute such a
default.
 
     (l) NO BROKERS. No action has been taken by Mason that would give rise to
any valid claim against any party hereto for a brokerage commission, finder's
fee or other like payment with respect to the transactions contemplated by this
Agreement, excluding a Previously Disclosed fee to be paid to Friedman,
Billings, Ramsey & Co., Inc.
 
                                      A-10
 
<PAGE>
     (m) EMPLOYEE BENEFIT PLANS. (i) Section 5.03 (m)(i) of Mason's Disclosure
Schedule contains a complete and accurate list of all existing bonus, incentive,
deferred compensation, pension, retirement, profit-sharing, thrift, savings,
employee stock ownership, stock bonus, stock purchase, restricted stock, stock
option, severance, welfare and fringe benefit plans, employment or severance
agreements and all similar practices, policies and arrangements in which any
employee or former employee (the "EMPLOYEES"), consultant or former consultant
(the "CONSULTANTS") or director or former director (the "DIRECTORS") of Mason or
any of its Subsidiaries participates or to which any such Employees, Consultants
or Directors are a party (the "COMPENSATION AND BENEFIT PLANS"). Neither Mason
nor any of its Subsidiaries has any commitment to create any additional
Compensation and Benefit Plan or to modify or change any existing Compensation
and Benefit Plan.
 
     (ii) Each Compensation and Benefit Plan has been operated and administered
in all material respects in accordance with its terms and with applicable law,
including, but not limited to, ERISA, the Code, the Securities Act, the Exchange
Act, the Age Discrimination in Employment Act, or any regulations or rules
promulgated thereunder, and all filings, disclosures and notices required by
ERISA, the Code, the Securities Act, the Exchange Act, the Age Discrimination in
Employment Act and any other applicable law have been timely made. Each
Compensation and Benefit Plan which is an "employee pension benefit plan" within
the meaning of Section 3(2) of ERISA (a "PENSION PLAN") and which is intended to
be qualified under Section 401(a) of the Code has received a favorable
determination letter (including a determination that the related trust under
such Compensation and Benefit Plan is exempt from tax under Section 501(a) of
the Code) from the Internal Revenue Service ("IRS"), and Mason is not aware of
any circumstances likely to result in revocation of any such favorable
determination letter. There is no material pending or, to the knowledge of
Mason, threatened legal action, suit or claim relating to the Compensation and
Benefit Plans. Neither Mason nor any of its Subsidiaries has engaged in a
transaction, or omitted to take any action, with respect to any Compensation and
Benefit Plan that would reasonably be expected to subject Mason or any of its
Subsidiaries to a tax or penalty imposed by either Section 4975 of the Code or
Section 502 of ERISA, assuming for purposes of Section 4975 of the Code that the
taxable period of any such transaction expired as of the date hereof.
 
     (iii) No liability (other than for payment of premiums to the PBGC which
have been made or will be made on a timely basis) under Title IV of ERISA has
been or is expected to be incurred by Mason or any of its Subsidiaries with
respect to any ongoing, frozen or terminated "single-employer plan", within the
meaning of Section 4001(a)(15) of ERISA, currently or formerly maintained by any
of them, or any single-employer plan of any entity (an "ERISA AFFILIATE") which
is considered one employer with Mason under Section 4001(a)(14) of ERISA or
Section 414(b) or (c) of the Code (an "ERISA AFFILIATE PLAN"). None of Mason,
any of its Subsidiaries or any ERISA Affiliate has contributed, or has been
obligated to contribute, to a multiemployer plan under Subtitle E of Title IV of
ERISA at any time since September 26, 1980. No notice of a "reportable event",
within the meaning of Section 4043 of ERISA for which the 30-day reporting
requirement has not been waived, has been required to be filed for any
Compensation and Benefit Plan or by any ERISA Affiliate Plan within the 12-month
period ending on the date hereof, and no such notice will be required to be
filed as a result of the transactions contemplated by this Agreement. The PBGC
has not instituted proceedings to terminate any Pension Plan or ERISA Affiliate
Plan and, to Mason's knowledge, no condition exists that presents a material
risk that such proceedings will be instituted. To the knowledge of Mason, there
is no pending investigation or enforcement action by the PBGC, the Department of
Labor (the "DOL") or IRS or any other governmental agency with respect to any
Compensation and Benefit Plan. Under each Pension Plan and ERISA Affiliate Plan,
as of the date of the most recent actuarial valuation performed prior to the
date of this Agreement, the actuarially determined present value of all "benefit
liabilities", within the meaning of Section 4001(a)(16) of ERISA (as determined
on the basis of the actuarial assumptions contained in such actuarial valuation
of such Pension Plan or ERISA Affiliate Plan), did not exceed the then current
value of the assets of such Pension Plan or ERISA Affiliate Plan and since such
date there has been neither an adverse change in the financial condition of such
Pension Plan or ERISA Affiliate Plan nor any amendment or other change to such
Pension Plan or ERISA Affiliate Plan that would increase the amount of benefits
thereunder which reasonably could be expected to change such result.
 
     (iv) All contributions required to be made under the terms of any
Compensation and Benefit Plan or ERISA Affiliate Plan or any employee benefit
arrangements under any collective bargaining agreement to which Mason or any of
its Subsidiaries is a party have been timely made or have been reflected on
Mason's financial statements. Neither any Pension Plan nor any ERISA Affiliate
Plan has an "accumulated funding deficiency" (whether or not waived) within the
meaning of Section 412 of the Code or Section 302 of ERISA and all required
payments to the PBGC with respect to each Pension Plan or ERISA Affiliate Plan
have been made on or before their due dates. None of Mason, any of its
Subsidiaries or any ERISA Affiliate (x) has provided, or would reasonably be
expected to be required to provide, security to any Pension Plan or to any ERISA
Affiliate Plan pursuant to Section 401(a)(29) of the Code, and (y) has taken any
action, or omitted to take any action, that has resulted, or would reasonably be
expected to result, in the imposition of a lien under Section 412(n) of the Code
or pursuant to ERISA.
 
                                      A-11

<PAGE>
     (v) Neither Mason nor any of its Subsidiaries has any obligations to
provide retiree health and life insurance or other retiree death benefits under
any Compensation and Benefit Plan, other than benefits mandated by Section 4980B
of the Code, and each such Compensation and Benefit Plan may be amended or
terminated without incurring liability thereunder. There has been no
communication to Employees by Mason or any of its Subsidiaries that would
reasonably be expected to promise or guarantee such Employees retiree health or
life insurance or other retiree death benefits on a permanent basis.
 
     (vi) Mason and its Subsidiaries do not maintain any Compensation and
Benefit Plans covering foreign Employees.
 
     (vii) With respect to each Compensation and Benefit Plan, if applicable,
Mason has provided or made available to United, true and complete copies of
existing: (A) Compensation and Benefit Plan documents and amendments thereto;
(B) trust instruments and insurance contracts; (C) two most recent Forms 5500
filed with the IRS; (D) most recent actuarial report and financial statement;
(E) the most recent summary plan description; (F) forms filed with the PBGC
(other than for premium payments); (G) most recent determination letter issued
by the IRS; (H) any Form 5310 or Form 5330 filed with the IRS; and (I) most
recent nondiscrimination tests performed under ERISA and the Code (including
401(k) and 401(m) tests).
 
     (viii) Except as disclosed on Section 5.03(m)(viii) of Mason's Disclosure
Schedule, the consummation of the transactions contemplated by this Agreement
would not, directly or indirectly (including, without limitation, as a result of
any termination of employment prior to or following the Effective Time)
reasonably be expected to (A) entitle any Employee, Consultant or Director to
any payment (including severance pay or similar compensation) or any increase in
compensation, (B) result in the vesting or acceleration of any benefits under
any Compensation and Benefit Plan or (C) result in any material increase in
benefits payable under any Compensation and Benefit Plan.

     (ix) Except as disclosed on Section 5.03(m)(ix) of Mason's Disclosure
Schedule, neither Mason nor any of its Subsidiaries maintains any compensation
plans, programs or arrangements the payments under which would not reasonably be
expected to be deductible as a result of the limitations under Section 162(m) of
the Code and the regulations issued thereunder.
 
     (x) Except as disclosed on Section 5.03(m)(x) of Mason's Disclosure
Schedule, as a result, directly or indirectly, of the transactions contemplated
by this Agreement (including, without limitation, as a result of any termination
of employment prior to or following the Effective Time), none of United, Mason
or the Surviving Corporation, or any of their respective Subsidiaries will be
obligated to make a payment that would be characterized as an "excess parachute
payment" to an individual who is a "disqualified individual" (as such terms are
defined in Section 280G of the Code), without regard to whether such payment is
reasonable compensation for personal services performed or to be performed in
the future.
 
     (n) LABOR MATTERS. Neither Mason nor any of its Subsidiaries is a party to
or is bound by any collective bargaining agreement, contract or other agreement
or understanding with a labor union or labor organization, nor is Mason or any
of its Subsidiaries the subject of a proceeding asserting that it or any such
Subsidiary has committed an unfair labor practice (within the meaning of the
National Labor Relations Act) or seeking to compel Mason or any such Subsidiary
to bargain with any labor organization as to wages or conditions of employment,
nor is there any strike or other labor dispute involving it or any of its
Subsidiaries pending or, to Mason's knowledge, threatened, nor is Mason aware of
any activity involving its or any of its Subsidiaries' employees seeking to
certify a collective bargaining unit or engaging in other organizational
activity.
 
     (o) TAKEOVER LAWS; DISSENTERS RIGHTS. Mason has taken all action required
to be taken by it in order to exempt this Agreement, the Stock Option Agreement
and the transactions contemplated hereby and thereby from, and this Agreement,
the Stock Option Agreement and the transactions contemplated hereby and thereby
are exempt from, the requirements of any "moratorium", "control share", "fair
price", "affiliate transaction", "business combination" or other antitakeover
laws and regulations of any state (collectively, "TAKEOVER LAWS"), including,
without limitation, the Commonwealth of Virginia, and including, without
limitation, Sections 13.1-725 through 13.1-728 of the VSCA (because a majority
of Mason's disinterested directors approved such transactions for such purposes
prior to any "determination date" with respect to United) and Sections
13.1-728.1 through 13.1-728.9 of the VSCA. The provisions of Article 7 of the
Mason Certificate do not apply to the entering into of this Agreement, this
Agreement and the transactions contemplated hereby, including the Merger, as
they have been approved by the required majority votes of the directors referred
to therein. The provisions of Article 7 of the Mason Certificate do not apply to
the entering into of the Stock Option Agreement, the Stock Option Agreement and
the transactions contemplated thereby. Holders of Mason Common Stock do not have
dissenters' rights in connection with the Merger.
 
     (p) ENVIRONMENTAL MATTERS. To Mason's knowledge, neither the conduct nor
operation of Mason or its Subsidiaries nor any condition of any property
presently or previously owned, leased or operated by any of them (including,
without limitation, in a fiduciary or agency capacity), or on which any of them
holds a Lien, violates or violated Environmental Laws and to Mason's knowledge,
no condition has existed or event has occurred with respect to any of them or
any such property that,
 
                                      A-12
 
<PAGE>
with notice or the passage of time, or both, is reasonably likely to result in
liability under Environmental Laws. To Mason's knowledge, neither Mason nor any
of its Subsidiaries has received any notice from any person or entity that Mason
or its Subsidiaries or the operation or condition of any property ever owned,
leased, operated, or held as collateral or in a fiduciary capacity by any of
them are or were in violation of or otherwise are alleged to have liability
under any Environmental Law, including, but not limited to, responsibility (or
potential responsibility) for the cleanup or other remediation of any
pollutants, contaminants, or hazardous or toxic wastes, substances or materials
at, on, beneath, or originating from any such property.
 
     (q) TAX MATTERS. (i) All Tax Returns that are required to be filed by or
with respect to Mason and its Subsidiaries have been duly filed, (ii) all Taxes
shown to be due on the Tax Returns referred to in clause (i) have been paid in
full, (iii) the Tax Returns referred to in clause (i) have been examined by the
Internal Revenue Service or the appropriate state, local or foreign taxing
authority or the period for assessment of the Taxes in respect of which such Tax
Returns were required to be filed has expired, (iv) all deficiencies asserted or
assessments made as a result of such examinations have been paid in full, (v) no
issues that have been raised by the relevant taxing authority in connection with
the examination of any of the Tax Returns referred to in clause (i) are
currently pending, and (vi) no waivers of statutes of limitation have been given
by or requested with respect to any Taxes of Mason or its Subsidiaries. Mason
has made available to United true and correct copies of the United States
federal income Tax Returns filed by Mason and its Subsidiaries for each of the
three most recent fiscal years ended on or before December 31, 1996. Neither
Mason nor any of its Subsidiaries has any liability with respect to income,
franchise or similar Taxes that accrued on or before the end of the most recent
period covered by Mason's SEC Documents filed prior to the date hereof in excess
of the amounts accrued with respect thereto that are reflected in the financial
statements included in Mason's SEC Documents filed on or prior to the date
hereof. As of the date hereof, neither Mason nor any of its Subsidiaries has any
reason to believe that any conditions exist that might prevent or impede the
Merger from qualifying as a reorganization within the meaning of Section 368(a)
of the Code.
 
     (ii) No Tax is required to be withheld pursuant to Section 1445 of the Code
as a result of the transfer contemplated by this Agreement.
 
     (iii) Mason and its Subsidiaries will not be liable for any taxes as a
result of any Covered Transaction.
 
     (r) RISK MANAGEMENT INSTRUMENTS. All interest rate swaps, caps, floors,
option agreements, futures and forward contracts and other similar risk
management arrangements, whether entered into for Mason's own account, or for
the account of one or more of Mason's Subsidiaries or their customers (all of
which are listed on Mason's Disclosure Schedule), were entered into (i) in
accordance with prudent business practices and all applicable laws, rules,
regulations and regulatory policies and (ii) with counterparties believed to be
financially responsible at the time; and each of them constitutes the valid and
legally binding obligation of Mason or one of its Subsidiaries, enforceable in
accordance with its terms (except as enforceability may be limited by applicable
bankruptcy, insolvency, reorganization, moratorium, fraudulent transfer and
similar laws of general applicability relating to or affecting creditors' rights
or by general equity principles), and is in full force and effect. Neither Mason
nor its Subsidiaries, nor to Mason's knowledge any other party thereto, is in
breach of any of its obligations under any such agreement or arrangement.
 
     (s) BOOKS AND RECORDS. The books and records of Mason and its Subsidiaries
have been fully, properly and accurately maintained in all material respects,
and there are no material inaccuracies or discrepancies of any kind contained or
reflected therein and they fairly reflect the substance of events and
transactions included therein.
 
     (t) INSURANCE. Mason's Disclosure Schedule sets forth all of the insurance
policies, binders, or bonds maintained by Mason or its Subsidiaries. Mason and
its Subsidiaries are insured with reputable insurers against such risks and in
such amounts as the management of Mason reasonably has determined to be prudent
in accordance with industry practices. All such insurance policies are in full
force and effect; Mason and its Subsidiaries are not in material default
thereunder; and all claims thereunder have been filed in due and timely fashion.
 
     (u) ACCOUNTING TREATMENT. As of the date hereof, it is aware of no reason
why the Merger will fail to qualify for "pooling of interests" accounting
treatment.
 
     (v) DISCLOSURE. The representations and warranties contained in this
Section 5.03 do not contain any untrue statement of a material fact or omit to
state any material fact necessary in order to make the statements and
information contained in this Section 5.03 not misleading.

     5.04 REPRESENTATIONS AND WARRANTIES OF UNITED. Subject to Sections 5.01 and
5.02 and except as Previously Disclosed in a paragraph of its Disclosure
Schedule corresponding to the relevant paragraph below, United hereby represents
and warrants to Mason as follows:
 
                                      A-13
 
<PAGE>
          (a) ORGANIZATION, STANDING AND AUTHORITY. United is a corporation duly
     organized, validly existing and in good standing under the laws of the
     State of West Virginia. United is duly qualified to do business and is in
     good standing in the states of the United States and foreign jurisdictions
     where its ownership or leasing of property or assets or the conduct of its
     business requires it to be so qualified.
 
          (b) UNITED STOCK. (i) As of the date hereof, the authorized capital
     stock of United consists solely of 20,000,000 shares of United Common
     Stock, of which no more than 15,295,130 shares were outstanding as of the
     date hereof. As of the date hereof, except as set forth in its Disclosure
     Schedule, United does not have any Rights issued or outstanding with
     respect to United Stock and United does not have any commitment to
     authorize, issue or sell any United Stock or Rights, except pursuant to
     this Agreement. The outstanding shares of United Common Stock have been
     duly authorized and are validly issued and outstanding, fully paid and
     nonassessable, and subject to no preemptive rights (and were not issued in
     violation of any preemptive rights).
 
          (ii) The shares of United Common Stock to be issued in exchange for
     shares of Mason Common Stock in the Merger, when issued in accordance with
     the terms of this Agreement, will be duly authorized, validly issued, fully
     paid and nonassessable and subject to no preemptive rights.
 
          (c) SUBSIDIARIES. Each of United's Subsidiaries has been duly
     organized and is validly existing in good standing under the laws of the
     jurisdiction of its organization, and is duly qualified to do business and
     is in good standing in the jurisdictions where its ownership or leasing of
     property or the conduct of its business requires it to be so qualified and
     it owns, directly or indirectly, all the issued and outstanding equity
     securities of each of its Significant Subsidiaries.
 
          (d) CORPORATE POWER. Each of United and its Subsidiaries has the
     corporate power and authority to carry on its business as it is now being
     conducted and to own all its properties and assets; and United has the
     corporate power and authority to execute, deliver and perform its
     obligations under this Agreement and the Stock Option Agreement and to
     consummate the transactions contemplated hereby and thereby.
 
          (e) CORPORATE AUTHORITY. Subject in the case of this Agreement to
     receipt of the requisite approval by (i) the holders of a majority of the
     outstanding shares of United Common Stock entitled to vote thereon of the
     Articles Amendment and (ii) the holders of a majority of the votes present
     or represented by proxy at the United Meeting of the issuance of United
     Common Stock as contemplated hereby (which are the only shareholder votes
     required thereon), this Agreement, the Stock Option Agreement and the
     transactions contemplated hereby and thereby have been authorized by all
     necessary corporate action of United and the United Board prior to the date
     hereof. This Agreement is a valid and legally binding agreement of United,
     enforceable in accordance with its terms (except as enforceability may be
     limited by applicable bankruptcy, insolvency, reorganization, moratorium,
     fraudulent transfer and similar laws of general applicability relating to
     or affecting creditors' rights or by general equity principles).
 
          (f) REGULATORY APPROVALS; NO DEFAULTS. (i) No consents or approvals
     of, or filings or registrations with, any Governmental Authority or with
     any third party are required to be made or obtained by United or any of its
     Subsidiaries in connection with the execution, delivery or performance by
     United of this Agreement or to consummate the Merger except for (A) the
     filing of applications and notices, as applicable, with the federal and
     state banking authorities; (B) the adoption and approval by the
     shareholders of United of the Articles Amendment and the issuance of United
     Common Stock as contemplated hereby; (C) the filing and declaration of
     effectiveness of the Registration Statement; (D) the filing of articles of
     merger with the Corporation Commission pursuant to the VSCA and the
     issuance of the related certificate of merger and the filing of the
     Articles Amendment with the West Virginia Secretary; (E) such filings as
     are required to be made or approvals as are required to be obtained under
     the securities or "Blue Sky" laws of various states in connection with the
     issuance of United Stock in the Merger; and (F) receipt of the approvals
     set forth in Section 7.01(b). As of the date hereof, United is not aware of
     any reason why the approvals set forth in Section 7.01(b) will not be
     received without the imposition of a condition, restriction or requirement
     of the type described in Section 7.01(b).
 
          (ii) Subject to the satisfaction of the requirements referred to in
     the preceding paragraph and expiration of the related waiting periods, and
     required filings under federal and state securities laws, the execution,
     delivery and performance of this Agreement and the consummation of the
     transactions contemplated hereby do not and will not (A) constitute a
     breach or violation of, or a default under, or give rise to any Lien, any
     acceleration of remedies or any right of termination under, any law, rule
     or regulation or any judgment, decree, order, governmental permit or
     license, or agreement, indenture or instrument of United or of any of its
     Subsidiaries or to which United or any of its Subsidiaries or properties is
     subject or bound, (B) constitute a breach or violation of, or a default
     under, the certificate of incorporation or by-laws (or similar governing
     documents) of United or any of its Subsidiaries, or (C) require any consent
     or approval
 
                                      A-14

<PAGE>
     under any such law, rule, regulation, judgment, decree, order, governmental
     permit or license, agreement, indenture or instrument.
 
          (g) FINANCIAL REPORTS AND SEC DOCUMENTS; MATERIAL ADVERSE EFFECT. (i)
     United's SEC Documents, as of the date filed, (A) complied or will comply
     in all material respects with the applicable requirements under the
     Securities Act or the Exchange Act, as the case may be, and (B) did not and
     will not contain any untrue statement of a material fact or omit to state a
     material fact required to be stated therein or necessary to make the
     statements therein, in light of the circumstances under which they were
     made, not misleading; and each of the balance sheets or statements of
     condition contained in or incorporated by reference into any such SEC
     Document (including the related notes and schedules thereto) fairly
     presents, or will fairly present, the financial position of United and its
     Subsidiaries as of its date, and each of the statements of income or
     results of operations and changes in stockholders' equity and cash flows or
     equivalent statements in such SEC Documents (including any related notes
     and schedules thereto) fairly presents, or will fairly present, the results
     of operations, changes in stockholders' equity and cash flows, as the case
     may be, of United and its Subsidiaries for the periods to which they
     relate, in each case in accordance with generally accepted accounting
     principles consistently applied during the periods involved, except in each
     case as may be noted therein, subject to normal year-end audit adjustments
     in the case of unaudited statements.
 
          (ii) Since December 31, 1996, no event has occurred or circumstance
     arisen that, individually or taken together with all other facts,
     circumstances and events (described in any paragraph of Section 5.04 or
     otherwise), is reasonably likely to have a Material Adverse Effect with
     respect to United.

          (h) LITIGATION; REGULATORY ACTION. (i) No litigation, claim or other
     proceeding before any Governmental Authority is pending against United or
     any of its Subsidiaries and, to the best of United's knowledge, no such
     litigation, claim or other proceeding has been threatened.
 
          (ii) Neither United nor any of its Subsidiaries or properties is a
     party to or is subject to any order, decree, agreement, memorandum of
     understanding or similar arrangement with, or a commitment letter or
     similar submission to, or extraordinary supervisory letter from a
     Regulatory Authority, nor has United or any of its Subsidiaries been
     advised by a Regulatory Authority that such agency is contemplating issuing
     or requesting (or is considering the appropriateness of issuing or
     requesting) any such order, decree, agreement, memorandum of understanding,
     commitment letter, supervisory letter or similar submission.
 
          (i) COMPLIANCE WITH LAWS. Each of United and its Subsidiaries:
 
             (i) is in compliance with all applicable federal, state, local and
        foreign statutes, laws, regulations, ordinances, rules, judgments,
        orders or decrees applicable thereto or to the employees conducting such
        businesses, including, without limitation, the Equal Credit Opportunity
        Act, the Fair Housing Act, the Community Reinvestment Act, the Home
        Mortgage Disclosure Act and all other applicable fair lending laws and
        other laws relating to discriminatory business practices; and
 
             (ii) has all permits, licenses, authorizations, orders and
        approvals of, and has made all filings, applications and registrations
        with, all Governmental Authorities that are required in order to permit
        them to conduct their businesses substantially as presently conducted;
        all such permits, licenses, certificates of authority, orders and
        approvals are in full force and effect and, to the best of its
        knowledge, no suspension or cancellation of any of them is threatened;
        and

             (iii) has received, since December 31, 1995, no notification or
        communication from any Governmental Authority (A) asserting that United
        or any of its Subsidiaries is not in compliance with any of the
        statutes, regulations, or ordinances which such Governmental Authority
        enforces or (B) threatening to revoke any license, franchise, permit, or
        governmental authorization (nor, to United's knowledge, do any grounds
        for any of the foregoing exist).
 
          (j) NO BROKERS. No action has been taken by United that would give
     rise to any valid claim against any party hereto for a brokerage
     commission, finder's fee or other like payment with respect to the
     transactions contemplated by this Agreement.
 
          (k) TAKEOVER LAWS. United has taken all action required to be taken by
     it in order to exempt this Agreement, the Stock Option Agreement and the
     transactions contemplated hereby and thereby from, and this Agreement, the
     Stock Option Agreement and the transactions contemplated hereby and thereby
     are exempt from, the requirements of any Takeover Laws applicable to
     United.
 
                                      A-15

<PAGE>
          (l) ENVIRONMENTAL MATTERS. To United's knowledge, neither the conduct
     nor operation of United or its Subsidiaries nor any condition of any
     property presently or previously owned, leased or operated by any of them
     (including, without limitation, in a fiduciary or agency capacity), or on
     which any of them holds a Lien, violates or violated Environmental Laws and
     to Mason's knowledge no condition has existed or event has occurred with
     respect to any of them or any such property that, with notice or the
     passage of time, or both, is reasonably likely to result in liability under
     Environmental Laws. To United's knowledge, neither United nor any of its
     Subsidiaries has received any notice from any person or entity that United
     or its Subsidiaries or the operation or condition of any property ever
     owned, leased, operated, or held as collateral or in a fiduciary capacity
     by any of them are or were in violation of or otherwise are alleged to have
     liability under any Environmental Law, including, but not limited to,
     responsibility (or potential responsibility) for the cleanup or other
     remediation of any pollutants, contaminants, or hazardous or toxic wastes,
     substances or materials at, on, beneath, or originating from any such
     property.
 
          (m) TAX MATTERS. (i) All Tax Returns that are required to be filed by
     or with respect to United and its Subsidiaries have been duly filed, (ii)
     all Taxes shown to be due on the Tax Returns referred to in clause (i) have
     been paid in full, (iii) the Tax Returns referred to in clause (i) have
     been examined by the Internal Revenue Service or the appropriate state,
     local or foreign taxing authority or the period for assessment of the Taxes
     in respect of which such Tax Returns were required to be filed has expired,
     (iv) all deficiencies asserted or assessments made as a result of such
     examinations have been paid in full, (v) no issues that have been raised by
     the relevant taxing authority in connection with the examination of any of
     the Tax Returns referred to in clause (i) are currently pending, and (vi)
     no waivers of statutes of limitation have been given by or requested with
     respect to any Taxes of United or its Subsidiaries. Neither United nor any
     of its Subsidiaries has any liability with respect to income, franchise or
     similar Taxes that accrued on or before the end of the most recent period
     covered by United's SEC Documents filed prior to the date hereof in excess
     of the amounts accrued with respect thereto that are reflected in the
     financial statements included in United's SEC Documents filed on or prior
     to the date hereof.
 
          (n) BOOKS AND RECORDS. The books and records of United and its
     Subsidiaries have been fully, properly and accurately maintained in all
     material respects, and there are no material inaccuracies or discrepancies
     of any kind contained or reflected therein, and they fairly present the
     substance of events and transactions included therein.
 
          (o) INSURANCE. United's Disclosure Schedule sets forth all of the
     insurance policies, binders, or bonds maintained by United or its
     Subsidiaries. United and its Subsidiaries are insured with reputable
     insurers against such risks and in such amounts as the management of United
     reasonably has determined to be prudent in accordance with industry
     practices. All such insurance policies are in full force and effect; United
     and its Subsidiaries are not in material default thereunder; and all claims
     thereunder have been filed in due and timely fashion.
 
          (p) ACCOUNTING TREATMENT. As of the date hereof, it is aware of no
     reason why the Merger will fail to qualify for "pooling of interests"
     accounting treatment.
 
          (q) DISCLOSURE. The representations and warranties contained in this
     Section 5.04 do not contain any untrue statement of a material fact or omit
     to state any material fact necessary in order to make the statements and
     information contained in this Section 5.04 not misleading.
 
          (r) REPRESENTATIONS AND WARRANTIES OF UNITED WITH RESPECT TO MERGER
     SUBS. (i) ORGANIZATION, STANDING AND AUTHORITY. Each Merger Sub has been
     duly organized and is validly existing in good standing under the laws of
     the State of its organization, and is duly qualified to do business and in
     good standing in the jurisdictions where its ownership or leasing of
     property or the conduct of its business requires it to be so qualified.
 
          (ii) POWER. Each Merger Sub has the power and authority to execute,
     deliver and perform its obligations under this Agreement and to consummate
     the transactions contemplated hereby.
 
          (iii) AUTHORITY. This Agreement and the transactions contemplated
     hereby have been authorized by all requisite action on the part of each
     Merger Sub and its respective subsidiaries or members. This Agreement is a
     valid and legally binding agreement of each Merger Sub enforceable in
     accordance with its terms (except as enforceability may be limited by
     applicable bankruptcy, insolvency, reorganization, moratorium, fraudulent
     transfer and similar laws of general applicability relating to or affecting
     creditors' rights or by general equity principles).
 
                                      A-16
 
<PAGE>
                                   ARTICLE VI
 
                                   COVENANTS
 
     6.01 REASONABLE BEST EFFORTS. Subject to the terms and conditions of this
Agreement, each of Mason and United agrees to use its reasonable best efforts in
good faith to take, or cause to be taken, all actions, and to do, or cause to be
done, all things necessary, proper or desirable, or advisable under applicable
laws, so as to permit consummation of the Merger as promptly as practicable and
otherwise to enable consummation of the transactions contemplated hereby and
shall cooperate fully with the other party hereto to that end. Without limiting
the foregoing, United agrees to use its reasonable best efforts prior to the
Effective Time to file the Articles Amendment.
 
     6.02 STOCKHOLDER APPROVALS. United and Mason agree to take, in accordance
with applicable law or NASDAQ rules and its articles of incorporation and
by-laws, all action necessary to convene an appropriate meeting of its
stockholders to consider and vote upon in the case of United, the approval and
adoption of the Articles Amendment, the issuance of United Common Stock as
contemplated hereby and any other matter required to be approved by United's
stockholders for consummation of the Merger (including any adjournment or
postponement, the "UNITED MEETING") and, in the case of Mason, the approval of
this Agreement, the Plan of Merger and any other matters required to be approved
by Mason's stockholders for consummation of the Merger (including any
adjournment or postponement, the "MASON MEETING"), in each case as promptly as
practicable after the Registration Statement is declared effective.
 
     6.03 REGISTRATION STATEMENT. (a) United agrees to prepare a registration
statement on Form S-4 (the "REGISTRATION STATEMENT") to be filed by United with
the SEC in connection with the issuance of United Common Stock in the Merger
(including the joint proxy statement and prospectus and other proxy solicitation
materials of United and Mason constituting a part thereof (the "PROXY
STATEMENT") and all related documents). Mason agrees to cooperate, and to cause
its Subsidiaries to cooperate, with United, its counsel and its accountants, in
preparation of the Registration Statement and the Proxy Statement; and PROVIDED
that Mason and its Subsidiaries have cooperated as required above, United agrees
to file the Proxy Statement in preliminary form with the SEC as promptly as
reasonably practicable, and to file the Registration Statement with the SEC as
soon as reasonably practicable after any SEC comments with respect to the
preliminary Proxy Statement are resolved. Each of Mason and United agrees to use
all reasonable efforts to cause the Registration Statement to be declared
effective under the Securities Act as promptly as reasonably practicable after
filing thereof. United also agrees to use all reasonable efforts to obtain,
prior to the effective date of the Registration Statement, all necessary state
securities law or "Blue Sky" permits and approvals required to carry out the
transactions contemplated by this Agreement. Mason agrees to furnish to United
all information concerning Mason, its Subsidiaries, officers, directors and
stockholders as may be reasonably requested in connection with the foregoing.
 
     (b) Each of Mason and United agrees, as to itself and its Subsidiaries,
that none of the information supplied or to be supplied by it for inclusion or
incorporation by reference in (i) the Registration Statement will, at the time
the Registration Statement and each amendment or supplement thereto, if any,
becomes effective under the Securities Act, contain any untrue statement of a
material fact or omit to state any material fact required to be stated therein
or necessary to make the statements therein not misleading, and (ii) the Proxy
Statement and any amendment or supplement thereto will, at the date of mailing
to stockholders and at the time of the United Meeting or the Mason Meeting, as
the case may be, contain any untrue statement of a material fact or omit to
state any material fact required to be stated therein or necessary to make the
statements therein not misleading or any statement which, in the light of the
circumstances under which such statement is made, will be false or misleading
with respect to any material fact, or which will omit to state any material fact
necessary in order to make the statements therein not false or misleading or
necessary to correct any statement in any earlier statement in the Proxy
Statement or any amendment or supplement thereto. Each of Mason and United
further agrees that if it shall become aware prior to the Effective Date of any
information furnished by it that would cause any of the statements in the Proxy
Statement to be false or misleading with respect to any material fact, or to
omit to state any material fact necessary to make the statements therein not
false or misleading, to promptly inform the other party thereof and to take the
necessary steps to correct the Proxy Statement.
 
     (c) United agrees to advise Mason, promptly after United receives notice
thereof, of the time when the Registration Statement has become effective or any
supplement or amendment has been filed, of the issuance of any stop order or the
suspension of the qualification of United Stock for offering or sale in any
jurisdiction, of the initiation or threat of any proceeding for any such
purpose, or of any request by the SEC for the amendment or supplement of the
Registration Statement or for additional information.
 
                                      A-17
 
<PAGE>
     (d) United and Mason, in consultation with the other, shall employ
professional proxy solicitors to assist it in contacting stockholders in
connection with soliciting votes on the Merger.
 
     6.04 PRESS RELEASES. Each of Mason and United agrees that it will not,
without the prior approval of the other party, issue any press release or
written statement for general circulation relating to the transactions
contemplated hereby, except as otherwise required by applicable law or
regulation or NASDAQ rules.
 
     6.05 ACCESS; INFORMATION. (a) Each of Mason and United agrees that upon
reasonable notice and subject to applicable laws relating to the exchange of
information, it shall afford the other party and the other party's officers,
employees, counsel, accountants and other authorized representatives, such
access during normal business hours throughout the period prior to the Effective
Time to the books, records (including, without limitation, tax returns and work
papers of independent auditors), properties, personnel and to such other
information as any party may reasonably request and, during such period, it
shall furnish promptly to such other party (i) a copy of each material report,
schedule and other document filed by it pursuant to the requirements of federal
or state securities or banking laws, and (ii) all other information concerning
the business, properties and personnel of it as the other may reasonably
request.
 
     (b) Each agrees that it will not, and will cause its representatives not
to, use any information obtained pursuant to this Section 6.05 (as well as any
other information obtained prior to the date hereof in connection with the
entering into of this Agreement) for any purpose unrelated to the consummation
of the transactions contemplated by this Agreement. Subject to the requirements
of law, each party will keep confidential, and will cause its representatives to
keep confidential, all information and documents obtained pursuant to this
Section 6.05 (as well as any other information obtained prior to the date hereof
in connection with the entering into of this Agreement) unless such information
(i) was already known to such party, (ii) becomes available to such party from
other sources not known by such party to be bound by a confidentiality
obligation, (iii) is disclosed with the prior written approval of the party to
which such information pertains or (iv) is or becomes readily ascertainable from
published information or trade sources. In the event that this Agreement is
terminated or the transactions contemplated by this Agreement shall otherwise
fail to be consummated, each party shall promptly cause all copies of documents
or extracts thereof containing information and data as to another party hereto
to be returned to the party which furnished the same. No investigation by either
party of the business and affairs of the other shall affect or be deemed to
modify or waive any representation, warranty, covenant or agreement in this
Agreement, or the conditions to either party's obligation to consummate the
transactions contemplated by this Agreement.
 
     (c) During the period from the date of this Agreement to the Effective
Time, each party shall promptly furnish the other with copies of all monthly and
other interim financial statements produced in the ordinary course of business
as the same shall become available.
 
     6.06 ACQUISITION PROPOSALS. Mason agrees that it shall not, and shall cause
its Subsidiaries and its and its Subsidiaries' officers, directors, agents,
advisors and affiliates not to, solicit or encourage inquiries or proposals with
respect to, or engage in any negotiations concerning, or provide any
confidential information to, or have any discussions with, any person relating
to, any Acquisition Proposal. It shall immediately cease and cause to be
terminated any activities, discussions or negotiations conducted prior to the
date of this Agreement with any parties other than United with respect to any of
the foregoing and shall use its reasonable best efforts to enforce any
confidentiality or similar agreement relating to an Acquisition Proposal. Mason
shall promptly (within 24 hours) advise United following the receipt by Mason of
any Acquisition Proposal and the substance thereof (including the identity of
the person making such Acquisition Proposal), and advise United of any
developments with respect to such Acquisition Proposal immediately upon the
occurrence thereof.
 
     6.07. AFFILIATE AGREEMENTS. (a) Not later than the 15th day prior to the
mailing of the Proxy Statement, (i) United shall deliver to Mason a schedule of
each person that, to the best of its knowledge, is or is reasonably likely to
be, as of the date of the United Meeting, deemed to be an "affiliate" of United
(each, a "United Affiliate") as that term is used in SEC Accounting Series
Releases 130 and 135; and (ii) Mason shall deliver to United a schedule of each
person that, to the best of its knowledge, is or is reasonably likely to be, as
of the date of the Mason Meeting, deemed to be an "affiliate" of Mason (each, a
"Mason Affiliate") as that term is used in Rule 145 under the Securities Act or
SEC Accounting Series Releases 130 and 135.
 
     (b) Each of Mason and United shall use its respective reasonable best
efforts to cause each person who may be deemed to be a Mason Affiliate or a
United Affiliate, as the case may be, to execute and deliver to Mason and United
on or before the date of mailing of the Proxy Statement an agreement in the form
attached hereto as Exhibit B or Exhibit C, respectively.
 
     6.08 TAKEOVER LAWS. No party hereto shall take any action that would cause
the transactions contemplated by this Agreement or the Stock Option Agreement to
be subject to requirements imposed by any Takeover Law and each of them
 
                                      A-18
 
<PAGE>
shall take all necessary steps within its control to exempt (or ensure the
continued exemption of) the transactions contemplated by this Agreement from, or
if necessary challenge the validity or applicability of, any applicable Takeover
Law, as now or hereafter in effect.
 
     6.09 CERTAIN POLICIES. Prior to the Effective Date, Mason shall, consistent
with generally accepted accounting principles and on a basis mutually
satisfactory to it and United, modify and change its loan, litigation and real
estate valuation policies and practices (including loan classifications and
levels of reserves) so as to be applied on a basis that is consistent with that
of United; PROVIDED, HOWEVER, that Mason shall not be obligated to take any such
action pursuant to this Section 6.09 unless and until United acknowledges that
all conditions to its obligation to consummate the Merger have been satisfied
and certifies to Mason that United's representations and warranties, subject to
Section 5.02, are true and correct as of such date and that United is otherwise
material in compliance with this Agreement. Mason's representations, warranties
and covenants contained in this Agreement shall not be deemed to be untrue or
breached in any respect for any purpose as a consequence of any modifications or
changes undertaken solely on account of this Section 6.09.
 
     6.10 NASDAQ LISTING. To the extent so required, United agrees to use its
reasonable best efforts to list, prior to the Effective Date, on the NASDAQ,
subject to official notice of issuance, the shares of United Common Stock to be
issued to the holders of Mason Common Stock in the Merger.
 
     6.11 REGULATORY APPLICATIONS. (a) United and Mason and their respective
Subsidiaries shall cooperate and use their respective reasonable best efforts to
prepare all documentation, to effect all filings and to obtain all permits,
consents, approvals and authorizations of all third parties and Governmental
Authorities necessary to consummate the transactions contemplated by this
Agreement. Each of United and Mason shall have the right to review in advance,
and to the extent practicable each will consult with the other, in each case
subject to applicable laws relating to the exchange of information, with respect
to, all material written information submitted to any third party or any
Governmental Authority in connection with the transactions contemplated by this
Agreement. In exercising the foregoing right, each of the parties hereto agrees
to act reasonably and as promptly as practicable. Each party hereto agrees that
it will consult with the other party hereto with respect to the obtaining of all
material permits, consents, approvals and authorizations of all third parties
and Governmental Authorities necessary or advisable to consummate the
transactions contemplated by this Agreement and each party will keep the other
party apprised of the status of material matters relating to completion of the
transactions contemplated hereby.
 
     (b) Each party agrees, upon request, to furnish the other party with all
information concerning itself, its Subsidiaries, directors, officers and
stockholders and such other matters as may be reasonably necessary or advisable
in connection with any filing, notice or application made by or on behalf of
such other party or any of its Subsidiaries to any third party or Governmental
Authority.
 
     6.12 INDEMNIFICATION. (a) Following the Effective Date and for a period of
six years thereafter, United shall indemnify, defend and hold harmless the
present directors, officers and employees of Mason and its Subsidiaries (each,
an "INDEMNIFIED PARTY") against all costs or expenses (including reasonable
attorneys' fees), judgments, fines, losses, claims, damages or liabilities
(collectively, "COSTS") incurred in connection with any claim, action, suit,
proceeding or investigation, whether civil, criminal, administrative or
investigative, arising out of actions or omissions occurring at or prior to the
Effective Time (including, without limitation, the transactions contemplated by
this Agreement) to the fullest extent that Mason is permitted to indemnify (and
advance expenses to) its directors and officers under the laws of the
Commonwealth of Virginia, the Mason Certificate and the Mason By-Laws as in
effect on the date hereof; PROVIDED that any determination required to be made
with respect to whether an officer's, director's or employee's conduct complies
with the standards set forth under Virginia law, the Mason Certificate and the
Mason By-Laws shall be made by independent counsel (which shall not be counsel
that provides material services to United) selected by United and reasonably
acceptable to such officer or director.
 
     (b) For a period of four years from the Effective Time, United shall use
its reasonable best efforts to provide that portion of director's and officer's
liability insurance that serves to reimburse the present and former officers and
directors of Mason or any of its Subsidiaries (determined as of the Effective
Time) (as opposed to Mason) with respect to claims against such directors and
officers arising from facts or events which occurred before the Effective Time,
which insurance shall contain at least the same coverage and amounts, and
contain terms and conditions no less advantageous, as that coverage currently
provided by Mason; PROVIDED, HOWEVER, that in no event shall United be required
to expend more than 200 percent of the current amount expended by Mason (the
"INSURANCE AMOUNT") to maintain or procure such directors and officers insurance
coverage; PROVIDED, FURTHER, that if United is unable to maintain or obtain the
insurance called for by this Section 6.12(b), United shall use its reasonable
best efforts to obtain as much comparable insurance as is available for the
Insurance Amount; PROVIDED, FURTHER, that officers and directors of Mason or any
Subsidiary may be required to make application and provide customary
representations and warranties to United's insurance carrier for the purpose of
obtaining such insurance.

                                      A-19
 
<PAGE>
     (c) Any Indemnified Party wishing to claim indemnification under Section
6.12(a), upon learning of any claim, action, suit, proceeding or investigation
described above, shall promptly notify United thereof; PROVIDED that the failure
so to notify shall not affect the obligations of United under Section 6.12(a)
unless and to the extent that United is actually prejudiced as a result of such
failure.

     (d) If United or any of its successors or assigns shall consolidate with or
merge into any other entity and shall not be the continuing or surviving entity
of such consolidation or merger or shall transfer all or substantially all of
its assets to any entity, then and in each case, proper provision shall be made
so that the successors and assigns of United shall assume the obligations set
forth in this Section 6.12.
 
     6.13 BENEFIT PLANS. It is the intention of United that within a reasonable
period of time following the Effective Time (a) it will provide employees of the
Surviving Corporation with employee benefit plans substantially similar in the
aggregate to those provided to similarly situated employees of United, (b) any
such employees will receive credit for years of service with Mason or any of its
Subsidiaries prior to the Effective Time for the purpose of eligibility and
vesting and (c) United shall cause any and all pre-existing condition
limitations (to the extent such limitations did not apply to a pre-existing
condition under the Compensation and Benefit Plans) and eligibility waiting
periods under group health plans to be waived with respect to such participants
and their eligible dependents.
 
     6.14 NOTIFICATION OF CERTAIN MATTERS. Each of Mason and United shall give
prompt notice to the other of any fact, event or circumstance known to it that
(i) is reasonably likely, individually or taken together with all other facts,
events and circumstances known to it, to result in any Material Adverse Effect
with respect to it or (ii) would cause or constitute a material breach of any of
its representations, warranties, covenants or agreements contained herein.
 
     6.15 DIRECTORS AND OFFICERS. (a) United agrees to cause five members of the
Mason Board on the date hereof (selected by United after consultation with
Mason), including Bernard J. Clineburg, who are still members of the Mason Board
immediately prior to the Effective Time and willing and eligible to serve to be
elected or appointed as a director of United at the Effective Time and shall
cause Mr. Clineburg to also be elected or appointed as a member of the Executive
Committee of the United Board.

     (b) United agrees to cause Bernard J. Clineburg, the Chief Executive
Officer and President of Mason to be elected or appointed as the President of
United at the Effective Time.
 
     6.16 DIVIDEND COORDINATION. After November 1, 1997, the Board of Directors
of Mason shall cause its regular quarterly dividend record dates and payment
dates for Mason Common Stock to be the same as United's regular quarterly
dividend record dates and payment dates for United Common Stock (e.g., Mason
shall move its next dividend record and payment dates from October and October
to September and October, respectively), and Mason shall not thereafter change
its regular dividend payment dates and record dates.
 
     6.17 BANK MERGER. Each of Mason and United shall use its reasonable best
efforts to cause and effect the merger of United's state-chartered Virginia bank
into Mason's state-chartered Virginia bank as promptly as reasonably practicable
following the Effective Date.
 
     6.18 MASON FEE. If (a) the United Board shall have failed to make its
recommendation referred to in Section 6.02, withdrawn such recommendation or
modified or changed such recommendation in a manner adverse in any respect to
the interests of Mason, (b) United shall be in material and willful breach of
any of its covenants contained in this Agreement such that Mason shall be
entitled to terminate the Merger Agreement pursuant to Section 8.01(b) or (c)
the stockholders of United do not approve this Agreement at the United Meeting,
in each case after there has been proposed by a third party a United Acquisition
Transaction (the "Proposal"), then, in any such event, upon the actual
consummation of a United Acquisition Transaction with such third party within 18
months after the Proposal, United shall pay Mason a fee of $9,000,000.
 
     Notwithstanding anything to the contrary contained herein, the fee provided
for in this Section 6.18 shall not be payable if United has terminated, or has
or had the right to terminate, the Merger Agreement pursuant to Section 8.01(b),
8.01(d)(ii) as a result of the Mason stockholders not approving this Agreement
or Section 8.01(e).
 
     For purposes of the foregoing, "United Acquisition Transaction" shall have
the same meaning as the term "Acquisition Transaction" in the Stock Option
Agreement except that the term "Issuer" therein shall refer to and mean United
and the percentage referred to in clause (z) of the second sentence shall be
25%.
 
                                      A-20
 
<PAGE>
                                  ARTICLE VII
 
                    CONDITIONS TO CONSUMMATION OF THE MERGER
 
     7.01 CONDITIONS TO EACH PARTY'S OBLIGATION TO EFFECT THE MERGER. The
respective obligation of each of United and Mason to consummate the Merger is
subject to the fulfillment or written waiver by United and Mason prior to the
Effective Time of each of the following conditions:
 
          (a) STOCKHOLDER APPROVALS. This Agreement and the Plan of Merger shall
     have been duly approved by the requisite vote of the stockholders of Mason
     and the Articles Amendment and the issuance of United Common Stock as
     contemplated hereby shall have been duly approved by the requisite vote of
     the stockholders of United.
 
          (b) REGULATORY APPROVALS. All regulatory approvals required to
     consummate the transactions contemplated hereby, shall have been obtained
     and shall remain in full force and effect and all statutory waiting periods
     in respect thereof shall have expired and no such approvals shall contain
     (i) any conditions, restrictions or requirements which the United Board
     reasonably determines would either before or after the Effective Time have
     a Material Adverse Effect on the Surviving Corporation and its Subsidiaries
     taken as a whole or (ii) any conditions, restrictions or requirements that
     are not customary and usual for approvals of such type and which the United
     Board reasonably determines would either before or after the Effective Date
     be unduly burdensome.
 
          (c) NO INJUNCTION. No Governmental Authority of competent jurisdiction
     shall have enacted, issued, promulgated, enforced or entered any statute,
     rule, regulation, judgment, decree, injunction or other order (whether
     temporary, preliminary or permanent) which is in effect and prohibits
     consummation of the transactions contemplated by this Agreement.
 
          (d) REGISTRATION STATEMENT. The Registration Statement shall have
     become effective under the Securities Act and no stop order suspending the
     effectiveness of the Registration Statement shall have been issued and no
     proceedings for that purpose shall have been initiated or threatened by the
     SEC.
 
          (e) BLUE SKY APPROVALS. All permits and other authorizations under
     state securities laws necessary to consummate the transactions contemplated
     hereby and to issue the shares of United Common Stock to be issued in the
     Merger shall have been received and be in full force and effect.

          (f) LISTING. To the extent required, the shares of United Common Stock
     to be issued in the Merger shall have been approved for listing on the
     NASDAQ, subject to official notice of issuance.
 
          (g) ARTICLES AMENDMENT. The Articles Amendment shall have been filed
     and effective under the WVCA.
 
     7.02 CONDITIONS TO OBLIGATION OF MASON. The obligation of Mason to
consummate the Merger is also subject to the fulfillment or written waiver by
Mason prior to the Effective Time of each of the following conditions:
 
          (a) REPRESENTATIONS AND WARRANTIES. The representations and warranties
     of United set forth in this Agreement shall be true and correct, subject to
     Section 5.02, as of the date of this Agreement and as of the Effective Date
     as though made on and as of the Effective Date (except that representations
     and warranties that by their terms speak as of the date of this Agreement
     or some other date shall be true and correct as of such date), and Mason
     shall have received a certificate, dated the Effective Date, signed on
     behalf of United by the Chief Executive Officer and the Chief Financial
     Officer of United to such effect.
 
          (b) PERFORMANCE OF OBLIGATIONS OF UNITED. United shall have performed
     in all material respects all obligations required to be performed by them
     under this Agreement at or prior to the Effective Time, and Mason shall
     have received a certificate, dated the Effective Date, signed on behalf of
     United by the Chief Executive Officer and the Chief Financial Officer of
     United to such effect.
 
          (c) OPINION OF MASON'S COUNSEL. Mason shall have received an opinion
     of Silver, Freedman & Taff, L.L.P. counsel to Mason, dated the Effective
     Date, to the effect that, on the basis of facts, representations and
     assumptions set forth in such opinion, (i) the Merger constitutes a
     "reorganization" within the meaning of Section 368 of the Code and (ii) no
     gain or loss will be recognized by stockholders of Mason who receive shares
     of United Common Stock in exchange for shares of Mason Common Stock, except
     that gain or loss may be recognized as to cash received in lieu of
     fractional share interests. In rendering its opinion, Silver, Freedman &
     Taff, L.L.P. may require and rely upon representations contained in letters
     from Mason and others.
 
                                      A-21
 
<PAGE>
          (d) ACCOUNTING TREATMENT. Mason shall have received from Ernst & Young
     LLP, Mason's independent auditors, letters, dated the date of or shortly
     prior to each of the mailing date of the Proxy Statement and the Effective
     Date, stating its opinion that the Merger shall qualify for
     pooling-of-interests accounting treatment.
 
     7.03 CONDITIONS TO OBLIGATION OF UNITED. The obligation of United to
consummate the Merger is also subject to the fulfillment or written waiver by
United prior to the Effective Time of each of the following conditions:
 
          (a) REPRESENTATIONS AND WARRANTIES. The representations and warranties
     of Mason set forth in this Agreement shall be true and correct, subject to
     Section 5.02, as of the date of this Agreement and as of the Effective Date
     as though made on and as of the Effective Date (except that representations
     and warranties that by their terms speak as of the date of this Agreement
     or some other date shall be true and correct as of such date) and United
     shall have received a certificate, dated the Effective Date, signed on
     behalf of Mason by the Chief Executive Officer and the Chief Financial
     Officer of Mason to such effect.
 
          (b) PERFORMANCE OF OBLIGATIONS OF MASON. Mason shall have performed in
     all material respects all obligations required to be performed by it under
     this Agreement at or prior to the Effective Time, and United shall have
     received a certificate, dated the Effective Date, signed on behalf of Mason
     by the Chief Executive Officer and the Chief Financial Officer of Mason to
     such effect.
 
          (c) OPINION OF UNITED'S COUNSEL. United shall have received an opinion
     of Sullivan & Cromwell, special counsel to United, dated the Effective
     Date, to the effect that, on the basis of facts, representations and
     assumptions set forth in such opinion, the Merger constitutes a
     reorganization under Section 368 of the Code. In rendering its opinion,
     Sullivan & Cromwell may require and rely upon representations contained in
     letters from United and others.
 
          (d) ACCOUNTING TREATMENT. United shall have received from Ernst &
     Young LLP, United's independent auditors, letters, dated the date of or
     shortly prior to each of the mailing date of the Proxy Statement and the
     Effective Date, stating its opinion that the Merger shall qualify for
     pooling-of-interests accounting treatment.
 
                                  ARTICLE VIII
 
                                  TERMINATION

     8.01 TERMINATION. This Agreement may be terminated, and the Acquisition may
be abandoned:
 
          (a) MUTUAL CONSENT. At any time prior to the Effective Time, by the
     mutual consent of United and Mason, if the Board of Directors of each so
     determines by vote of a majority of the members of its entire Board.
 
          (b) BREACH. At any time prior to the Effective Time, by United or
     Mason, if its Board of Directors so determines by vote of a majority of the
     members of its entire Board, in the event of either: (i) a breach by the
     other party of any representation or warranty contained herein (subject to
     the standard set forth in Section 5.02), which breach cannot be or has not
     been cured within 30 days after the giving of written notice to the
     breaching party of such breach; or (ii) a breach by the other party of any
     of the covenants or agreements contained herein, which breach cannot be or
     has not been cured within 30 days after the giving of written notice to the
     breaching party of such breach, provided that such breach (whether under
     (i) or (ii)) would be reasonably likely, individually or in the aggregate
     with other breaches, to result in a Material Adverse Effect.
 
          (c) DELAY. At any time prior to the Effective Time, by United or
     Mason, if its Board of Directors so determines by vote of a majority of the
     members of its entire Board, in the event that the Acquisition is not
     consummated by July 15, 1998, except to the extent that the failure of the
     Acquisition then to be consummated arises out of or results from the
     knowing action or inaction of the party seeking to terminate pursuant to
     this Section 8.01(c).
 
          (d) NO APPROVAL. By Mason or United, if its Board of Directors so
     determines by a vote of a majority of the members of its entire Board, in
     the event (i) the approval of any Governmental Authority required for
     consummation of the Merger and the other transactions contemplated by this
     Agreement shall have been denied by final nonappealable action of such
     Governmental Authority or (ii) any stockholder approval required by Section
     7.01(a) herein is not obtained at the Mason Meeting or the United Meeting.
 
          (e) FAILURE TO RECOMMEND, ETC. At any time prior to the Mason Meeting,
     by United if the Mason Board shall have failed to make its recommendation
     referred to in Section 6.02, withdrawn such recommendation or modified or
     changed such recommendation in a manner adverse in any respect to the
     interests of United; or at any time prior to the United
 
                                      A-22

<PAGE>
     Meeting, by Mason, if the United Board shall have failed to make its
     recommendation referred to in Section 6.02, withdrawn such recommendation
     or modified or changed such recommendation in a manner adverse in any
     respect to the interests of Mason.
 
          (f) FAILURE TO EXECUTE AND DELIVER STOCK OPTION AGREEMENT. At any time
     prior to September 13, 1997, by United if Mason shall not have executed and
     delivered the Stock Option Agreement to United.

     8.02 EFFECT OF TERMINATION AND ABANDONMENT. In the event of termination of
this Agreement and the abandonment of the Merger pursuant to this Article VIII,
no party to this Agreement shall have any liability or further obligation to any
other party hereunder except (i) as set forth in Section 9.01 and (ii) that
termination will not relieve a breaching party from liability for any willful
breach of this Agreement giving rise to such termination.
 
                                   ARTICLE IX
 
                                 MISCELLANEOUS
 
     9.01 SURVIVAL. No representations, warranties, agreements and covenants
contained in this Agreement shall survive the Effective Time (other than Section
6.12, 6.13, 6.15, 6.17 and this Article IX which shall survive the Effective
Time) or the termination of this Agreement if this Agreement is terminated prior
to the Effective Time (other than Sections 6.03(b), 6.04, 6.05(b), 6.18, 8.02,
and this Article IX which shall survive such termination).
 
     9.02 WAIVER; AMENDMENT. Prior to the Effective Time, any provision of this
Agreement may be (i) waived by the party benefitted by the provision, or (ii)
amended or modified at any time, by an agreement in writing between the parties
hereto executed in the same manner as this Agreement, except that (A) after the
Mason Meeting, this Agreement may not be amended if it would violate the VSCA
and (B) after the United Meeting, this Agreement may not be amended if it would
violate the WVCA.
 
     9.03 COUNTERPARTS. This Agreement may be executed in one or more
counterparts, each of which shall be deemed to constitute an original.
 
     9.04 GOVERNING LAW. This Agreement shall be governed by, and interpreted in
accordance with, the laws of the State of West Virginia applicable to contracts
made and to be performed entirely within such State (except to the extent that
mandatory provisions of Federal law or of the VSCA are applicable).

     9.05 EXPENSES. Each party hereto will bear all expenses incurred by it in
connection with this Agreement and the transactions contemplated hereby, except
that printing expenses and SEC fees shall be shared equally between Mason and
United.
 
     9.06 NOTICES. All notices, requests and other communications hereunder to a
party shall be in writing and shall be deemed given if personally delivered,
telecopied (with confirmation) or mailed by registered or certified mail (return
receipt requested) to such party at its address set forth below or such other
address as such party may specify by notice to the parties hereto.
 
        If to Mason, to:
 
        George Mason Bankshares, Inc.
        1185 Main Street
        Fairfax, VA 22030
        Facsimile: (703) 246-0157
        Attn: Bernard H. Clineburg,
           Chief Executive Officer
           James Consagra,
           Chief Financial Officer

        With a copy to:
        Silver, Freedman & Taff, L.L.P.
        1100 New York Avenue, N.W.
        Suite 700
        Washington, D.C. 20005-3934
        Facsimile: (202) 682-0354
 
                                      A-23

<PAGE>
        Attn: Barry P. Taff, P.C.
        Christopher R. Kelly, P.C.

        If to United, to:

        United Bankshares, Inc.
        514 Market Street
        Parkersburg, WV 26101
        Attn: Richard M. Adams,
           Chairman of the Board and Chief Executive Officer
           Steven Wilson
           Chief Financial Officer

        With a copy to:
        Sullivan & Cromwell
        125 Broad Street
        New York, New York 10004-2498
        Facsimile: (212) 558-3588
        Attn: H. Rodgin Cohen, Esq.
           Mark J. Menting, Esq.

     9.07 ENTIRE UNDERSTANDING; NO THIRD PARTY BENEFICIARIES. This Agreement and
any Stock Option Agreement entered into represent the entire understanding of
the parties hereto with reference to the transactions contemplated hereby and
thereby and this Agreement supersedes any and all other oral or written
agreements heretofore made (other than any such Stock Option Agreement). Except
for Section 6.12, nothing in this Agreement expressed or implied, is intended to
confer upon any person, other than the parties hereto or their respective
successors, any rights, remedies, obligations or liabilities under or by reason
of this Agreement.

     9.08 INTERPRETATION; EFFECT. When a reference is made in this Agreement to
Sections, Exhibits or Schedules, such reference shall be to a Section of, or
Exhibit or Schedule to, this Agreement unless otherwise indicated. The table of
contents and headings contained in this Agreement are for reference purposes
only and are not part 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." No provision of this Agreement shall
be construed to require Mason, United or any of their respective Subsidiaries,
affiliates or directors to take any action which would violate applicable law
(whether statutory or common law), rule or regulation.

                                     * * *

     IN WITNESS WHEREOF, the parties hereto have caused this Agreement to be
executed in counterparts by their duly authorized officers, all as of the day
and year first above written.

                                         GEORGE MASON BANKSHARES, INC.

                                         By: /s/ BERNARD H. CLINEBURG
                                           _____________________________________
                                           Name: Bernard H. Clineburg
                                           Title: President and Chief Executive
                                         Officer

                                         By: /s/ KEVIN F. DECOSTE
                                           _____________________________________
                                           Name: Kevin F. DeCoste
                                           Title: Secretary

                                         UNITED BANKSHARES, INC.

                                         By: /s/ RICHARD M. ADAMS
                                           _____________________________________
                                           Name: Richard M. Adams
                                           Title: Chairman of the Board and
                                         Chief Executive Officer

                                      A-24

<PAGE>
                                                                     EXHIBIT A-1

                                 PLAN OF MERGER

     PLAN OF MERGER (this "PLAN") of George Mason Bankshares, Inc. ("MASON"), a
Virginia corporation, and George Mason Holding Company ("MASON HOLDING"), a
Virginia Corporation and wholly owned subsidiary of United Bankshares, Inc.
("UNITED").
 
                                   ARTICLE I
 
                                  DEFINITIONS
 
     1.1 CERTAIN DEFINITIONS. The following terms are used in this Plan with the
meanings set forth below:

     "CODE" means the Internal Revenue Code of 1986, as amended.
 
     "EFFECTIVE DATE" means the effective date of the Merger.
 
     "EFFECTIVE TIME" means the effective time of the Merger.
 
     "MASON COMMON STOCK" means the common stock, par value $1.11 per share, of
Mason.
 
     "MASON PREFERRED STOCK" means the preferred stock, par value $0.01 per
share, of Mason.

     "MASON STOCK" means, collectively, Mason Common Stock and Mason Preferred
Stock.
 
     "MERGER AGREEMENT" means the Amended and Restated Agreement and Plan of
Merger, dated as of December 10, 1997, as amended, by and between Mason and
United.
 
     "NASDAQ" means The Nasdaq Stock Market, Inc.'s National Market System.
 
     "SUBSIDIARY" has the meaning ascribed to it in Rule 1-02 of Regulation S-X
of the Securities and Exchange Commission.
 
     "TREASURY STOCK" mean shares of Mason Stock held by Mason or any of its
Subsidiaries or by United or any of its Subsidiaries, in each case other than in
a fiduciary capacity or as a result of debts previously contracted in good
faith.
 
     "UNITED COMMON STOCK" means the common stock, par value $5.00 per share, of
United.
 
     "VSCA" means the Virginia Stock Corporation Act.

     1.2 CERTAIN DEFINITIONS. Terms used and not otherwise defined herein have
the meanings specified in the Merger Agreement.
 
                                   ARTICLE II
 
                              TERMS OF THE MERGER
 
     2.1 THE MERGER. The names of the corporations to be merged are George Mason
Holding Company and George Mason Bankshares, Inc. At the Effective Time, Mason
Holding shall merge with and into Mason (the "MERGER"), the separate corporate
existence of Mason Holding shall cease and Mason shall survive and continue to
exist as a Virginia corporation and wholly owned subsidiary of United (Mason, as
the surviving corporation in the Merger, sometimes being referred to herein as
the "SURVIVING CORPORATION").
 
     2.2 EFFECT OF THE MERGER. Subject to the satisfaction or waiver of the
conditions set forth in Article IV of this Plan, the Merger shall become
effective upon the occurrence of the filing in the office of the Virginia State
Corporation Commission (the "CORPORATION COMMISSION") of articles of merger in
accordance with Section 13.1-720 of the VSCA or such later date and time as may
be set forth in such articles and the issuance of a certificate of merger by the
Corporation Commission under the VSCA. The Merger shall have the effects
prescribed in the VSCA.
 
     2.3 ARTICLES OF INCORPORATION AND BY-LAWS. The articles of incorporation
and by-laws of Mason immediately after the Merger shall be those of Mason
Holding as in effect immediately prior to the Effective Time.
 
                                       1
 
<PAGE>
     2.4 DIRECTORS AND OFFICERS OF MASON. The directors and officers of Mason
immediately after the Merger shall be the directors and officers of Mason
Holding immediately prior to the Effective Time, until such time as their
successors shall be duly elected and qualified.
 
                                  ARTICLE III
 
                              MANNER AND BASIS OF
                               CONVERTING SHARES
 
     3.1 MERGER CONSIDERATION. At the Effective Time, automatically by virtue of
the Merger and without any action on the part of any person:

     (a) OUTSTANDING MASON COMMON STOCK. Each share, excluding Treasury Stock,
of Mason Common Stock issued and outstanding immediately prior to the Effective
Time shall become and be converted into 0.85 of a share of United Common Stock
(the "EXCHANGE RATIO"). In the event United changes (or establishes a record
date for changing) the number of shares of United Common Stock issued and
outstanding prior to the Effective Date as a result of a stock split, stock
dividend, recapitalization or similar transaction with respect to the
outstanding United Common Stock and the record date therefor shall be prior to
the Effective Date, the Exchange Ratio shall be proportionately adjusted. Mason
Common Stock is the only class of stock of Mason issued and outstanding.
 
     (b) TREASURY SHARES. Each share of Mason Common Stock held as Treasury
Stock immediately prior to the Effective Time shall be canceled and retired at
the Effective Time and no consideration shall be issued in exchange therefor.
 
     3.2 RIGHTS AS STOCKHOLDERS; STOCK TRANSFERS. At the Effective Time, holders
of Mason Common Stock shall cease to be, and shall have no rights as,
stockholders of Mason, other than to receive any dividend or other distribution
with respect to such Mason Common Stock with a record date occurring prior to
the Effective Time and the consideration provided herein. After the Effective
Time, there shall be no transfers on the stock transfer books of Mason or the
Surviving Corporation of shares of Mason Common Stock.
 
     3.3 FRACTIONAL SHARES. Notwithstanding any other provision hereof, no
fractional shares of United Common Stock and no certificates or scrip therefor,
or other evidence of ownership thereof, will be issued in the Merger; instead,
United shall pay to each holder of Mason Common Stock who would otherwise be
entitled to a fractional share of United Common Stock (after taking into account
all Old Certificates delivered by such holder) an amount in cash (without
interest) determined by multiplying such fraction by the average of the last
sale prices of United Common Stock, as reported by NASDAQ reporting system (as
reported in THE WALL STREET JOURNAL or, if not reported therein, in another
authoritative source), for the five NASDAQ trading days immediately preceding
the Effective Date.
 
     3.4 EXCHANGE PROCEDURES. (a) At or prior to the Effective Time, United
shall deposit, or shall cause to be deposited, with Chase Mellon Shareholder
Services (in such capacity, the "EXCHANGE AGENT"), for the benefit of the
holders of certificates formerly representing shares of Mason Common Stock ("OLD
CERTIFICATES"), for exchange in accordance with this Article III, certificates
representing the shares of United Common Stock ("NEW CERTIFICATES") and an
estimated amount of cash (such cash and New Certificates, together with any
dividends or distributions with a record date occurring after the Effective Date
with respect thereto (without any interest on any such cash, dividends or
distributions), being hereinafter referred to as the "EXCHANGE FUND") to be paid
pursuant to this Article III in exchange for outstanding shares of Mason Common
Stock.
 
     (b) As promptly as practicable after the Effective Date, United shall send
or cause to be sent to each former holder of record of shares of Mason Common
Stock immediately prior to the Effective Time transmittal materials for use in
exchanging such stockholder's Old Certificates for the consideration set forth
in this Article III. United shall cause the New Certificates into which shares
of a stockholder's Mason Common Stock are converted on the Effective Date and/or
any check in respect of any fractional share interests or dividends or
distributions which such person shall be entitled to receive to be delivered to
such stockholder upon delivery to the Exchange Agent of Old Certificates
representing such shares of Mason Common Stock (or indemnity reasonably
satisfactory to United and the Exchange Agent, if any of such certificates are
lost, stolen or destroyed) owned by such stockholder. No interest will be paid
on any such cash to be paid in lieu of fractional share interests or in respect
of dividends or distributions which any such person shall be entitled to receive
pursuant to this Article III upon such delivery.
 
                                       2

<PAGE>
     (c) Notwithstanding the foregoing, neither the Exchange Agent, if any, nor
any party hereto shall be liable to any former holder of Mason Stock for any
amount properly delivered to a public official pursuant to applicable abandoned
property, escheat or similar laws.
 
     (d) No dividends or other distributions with respect to United Common Stock
with a record date occurring after the Effective Time shall be paid to the
holder of any unsurrendered Old Certificate representing shares of Mason Common
Stock converted in the Merger into the right to receive shares of such United
Common Stock until the holder thereof shall be entitled to receive New
Certificates in exchange therefor in accordance with the procedures set forth in
this Section 3.4, and, following 90 days after the Effective Date, no such
shares of Mason Common Stock shall be eligible to vote until the holder of Old
Certificates is entitled to receive New Certificates in accordance with the
procedures set forth in this Section 3.4. After becoming so entitled in
accordance with this Section 3.4, the record holder thereof also shall be
entitled to receive any such dividends or other distributions, without any
interest thereon, which theretofore had become payable with respect to shares of
United Common Stock such holder had the right to receive upon surrender of the
Old Certificates.

     (e) Any portion of the Exchange Fund that remains unclaimed by the
stockholders of Mason for six months after the Effective Time shall be paid to
United. Any stockholders of Mason who have not theretofore complied with this
Article III shall thereafter look only to United for payment of the shares of
United Common Stock, cash in lieu of any fractional shares and unpaid dividends
and distributions on United Common Stock deliverable in respect of each share of
Mason Common Stock such stockholder holds as determined pursuant to the Merger
Agreement and this Plan, in each case, without any interest thereon.
 
     3.5 OPTIONS. (a) At the Effective Time, each outstanding option to purchase
shares of Mason Common Stock under the Mason Stock Plans (each, a "MASON STOCK
OPTION"), whether vested or unvested, shall be converted into an option to
acquire, on the same terms and conditions as were applicable under such Mason
Stock Option, the number of shares of United Common Stock equal to (a) the
number of shares of Mason Common Stock subject to the Mason Stock Option,
multiplied by (b) the Exchange Ratio (such product rounded to the nearest whole
number) (a "REPLACEMENT OPTION"), at an exercise price per share (rounded to the
nearest whole cent) equal to (y) the aggregate exercise price for the shares of
Mason Common Stock which were purchasable pursuant to such Mason Stock Option
divided by (z) the number of full shares of United Common Stock subject to such
Replacement Option in accordance with the foregoing. Notwithstanding the
foregoing, each Mason Stock Option which is intended to be an "incentive stock
option" (as defined in Section 422 of the Code) shall be adjusted in accordance
with the requirements of Section 424 of the Code. At or prior to the Effective
Time, Mason shall use its best efforts, including using its best efforts to
obtain any necessary consents from optionees, with respect to the Mason Stock
Plans to permit the replacement of the outstanding Mason Stock Options by United
pursuant to this Section and to permit United to assume the Mason Stock Plans.
Mason shall further take all action necessary to amend the Mason Stock Plans to
eliminate automatic grants or awards thereunder following the Effective Time. At
the Effective Time, United shall assume the Mason Stock Plans; PROVIDED, that
such assumption shall be only in respect of the Replacement Options and that
United shall have no obligation with respect to any awards under the Mason Stock
Plans other than the Replacement Options and shall have no obligation to make
any additional grants or awards under such assumed Mason Stock Plans.
 
     (b) At all times after the Effective Time, United shall reserve for
issuance such number of shares of United Common Stock as necessary so as to
permit the exercise of options granted under the Mason Stock Plans in the manner
contemplated by the Merger Agreement, this Plan and the instruments pursuant to
which such options were granted. United shall make all filings required under
federal and state securities laws no later than the Effective Time so as to
permit the exercise of such options and the sale of the shares received by the
optionee upon such exercise at and after the Effective Time and United shall
continue to make such filings thereafter as may be necessary to permit the
continued exercise of options and sale of such shares.
 
                                   ARTICLE IV
 
                            CONDITIONS TO THE MERGER
 
     4.1 Consummation of the Merger is conditioned upon the following:
 
     (a) (i) Approval of the Merger Agreement and this Plan by the affirmative
vote of more than two-thirds of the outstanding shares of Mason Common Stock and
(ii) approval of an amendment to the United Restated Articles of Incorporation
increasing the number of authorized shares of United Common Stock and the
issuance by United of shares of United Common Stock to be issued pursuant to the
Merger by a majority of the outstanding shares of United Common Stock;
 
                                       3
 
<PAGE>
     (b) Receipt of required regulatory approvals;
 
     (c) Absence of governmental action prohibiting consummation;
 
     (d) An effective Registration Statement under the Securities Act of 1933
and no orders or other action suspending such effectiveness;
 
     (e) Receipt of all required permits and authorizations under state
securities laws;
 
     (f) To the extent required, approval of the shares of United Common Stock
issued in the Merger for listing on the NASDAQ, subject to notice of issuance;

     (g) The filing and effectiveness of the amendment to the United Restated
Articles of Incorporation;
 
     (h) All representations and warranties made by the respective parties are
true and correct as of the Effective Time as contemplated by the Merger
Agreement and receipt by the parties of appropriate officers' certificates to
such effect; and
 
     (i) Performance of all required obligations by the respective parties and
receipt by the parties of appropriate officers' certificates to such effect.
 
                                   ARTICLE V
 
                                  TERMINATION
 
     5.1 This Plan may be terminated prior to the Effective Time as provided in
Article VIII of the Merger Agreement and shall terminate at the same time as the
Merger Agreement.
 
                                       4
 
<PAGE>
                                                                       EXHIBIT B
 
                         FORM OF MASON AFFILIATE LETTER
 
                                                              ____________, 1997
 
George Mason Bankshares, Inc.
1185 Main Street
Fairfax, VA 22030
Attention: James Consagra,
          Chief Financial Officer

United Bankshares, Inc.
514 Market Street
Parkersburg, WV 26101
Attention: Steven Wilson,
          Chief Financial Officer
 
Ladies and Gentlemen:
 
     I have been advised that I may be deemed to be, but do not admit that I am,
an "affiliate" of George Mason Bankshares, Inc. a Virginia corporation
("Mason"), as that term is defined in Rule 145 promulgated by the Securities and
Exchange Commission (the "SEC") under the Securities Act of 1933, as amended
(the "Securities Act"), and/or SEC Accounting Series Releases 130 and 135. I
understand that pursuant to the terms of the Agreement and Plan of Merger, dated
as of September 10, 1997 (the "Merger Agreement"), by and between Mason and
United Bankshares, Inc. a West Virginia corporation ("United"), Mason plans to
merge with and into United (the "Merger") and that the Merger is intended to be
accounted for under the "pooling of interests" accounting method.
 
     I further understand that as a result of the Merger, I may receive shares
of common stock, par value $2.50 per share, of United ("United Stock") (i) in
exchange for shares of common stock, par value $1.11 per share, of Mason ("Mason
Stock") or (ii) as a result of the exercise of Rights (as defined in the Merger
Agreement).
 
     I have carefully read this letter and reviewed the Merger Agreement and
discussed their requirements and other applicable limitations upon my ability to
sell, transfer, or otherwise dispose of United Stock and Mason Stock, to the
extent I felt necessary, with my counsel or counsel for Mason.
 
     I represent, warrant and covenant with and to United that in the event I
receive any United Stock as a result of the Merger:
 
     1. I shall not make any sale, transfer, or other disposition of such United
Stock unless (i) such sale, transfer or other disposition has been registered
under the Securities Act, (ii) such sale, transfer or other disposition is made
in conformity with the provisions of Rule 145 under the Securities Act (as such
rule may be amended from time to time), or (iii) in the opinion of counsel in
form and substance reasonably satisfactory to United, or under a "no-action"
letter obtained by me from the staff of the SEC, such sale, transfer or other
disposition will not violate or is otherwise exempt from registration under the
Securities Act.
 
     2. I understand that United is under no obligation to register the sale,
transfer or other disposition of shares of United Stock by me or on my behalf
under the Securities Act or to take any other action necessary in order to make
compliance with an exemption from such registration available.
 
     3. I understand that stop transfer instructions will be given to United's
transfer agent with respect to shares of United Stock issued to me as a result
of the Merger and that there will be placed on the certificates for such shares,
or any substitutions therefor, a legend stating in substance:
 
          "The shares represented by this certificate were issued in a
     transaction to which Rule 145 promulgated under the Securities Act of
     1933 applies. The shares represented by this certificate may be
     transferred only in accordance with the terms of a letter agreement,
     dated ____________, 199_, between the registered holder hereof and
     United Bankshares, Inc., a copy of which agreement is on file at the
     principal offices of United Bankshares, Inc."
 
                                       1
 
<PAGE>
     4. I understand that, unless transfer by me of the United Stock issued to
me as a result of the Merger has been registered under the Securities Act or
such transfer is made in conformity with the provisions of Rule 145(d) under the
Securities Act, United reserves the right, in its sole discretion, to place the
following legend on the certificates issued to my transferee:
 
          "The shares represented by this certificate have not been
     registered under the Securities Act of 1933 and were acquired from a
     person who received such shares in a transaction to which Rule 145
     under the Securities Act of 1933 applies. The shares have been
     acquired by the holder not with a view to, or for resale in connection
     with, any distribution thereof within the meaning of the Securities
     Act of 1933 and may not be offered, sold, pledged or otherwise
     transferred except in accordance with an exemption from the
     registration requirements of the Securities Act of 1933."
 
     It is understood and agreed that the legends set forth in paragraphs (3)
and (4) above shall be removed by delivery of substitute certificates without
such legends if I shall have delivered to United (i) a copy of a "no action"
letter from the staff of the SEC, or an opinion of counsel in form and substance
reasonably satisfactory to United, to the effect that such legend is not
required for purposes of the Act, or (ii) evidence or representations
satisfactory to United that the United Stock represented by such certificates is
being or has been sold in conformity with the provisions of Rule 145(d).
 
     I further represent, warrant and covenant with and to United that I will
not sell, transfer or otherwise dispose of, or reduce my risk relative to, any
shares of Mason Stock or United Stock (whether or not acquired by me in the
Merger) during the period commencing 30 days prior to effective date of the
Merger and ending at such time as United notifies me that results covering at
least 30 days of combined operations of Mason and United after the Merger have
been published by United. I understand that United is not obligated to publish
such combined financial results except in accordance with its normal financial
reporting practice.
 
     I further understand and agree that this letter agreement shall apply to
all shares of Mason Stock and United Stock that I am deemed to beneficially own
pursuant to applicable federal securities law.
 
     I also understand that the Merger is intended to be treated as a "pooling
of interests" for accounting purposes, and I agree that if Mason or United
advises me in writing that additional restrictions apply to my ability to sell,
transfer, or otherwise dispose of Mason Stock or United Stock in order for
United to be entitled to use the pooling of interests accounting method, I will
abide by such restrictions.

                                         Very truly yours,
 
                                         By ____________________________________
                                           Name:
 
Accepted this ____ day of
_______________, 1997.
 
GEORGE MASON BANKSHARES, INC.

By __________________________________________________________
    Name:
    Title:
 
UNITED BANKSHARES, INC.
 
By __________________________________________________________
    Name:
    Title:
 
                                       2

<PAGE>
                                                                       EXHIBIT C
 
                        FORM OF UNITED AFFILIATE LETTER
 
                                                              ____________, 1997
 
United Bankshares, Inc.
514 Market Street
Parkersburg, WV 26101
Attention: Steven Wilson,
          Chief Financial Officer
 
Ladies and Gentlemen:
 
     I have been advised that I may be deemed to be, but do not admit that I am,
an "affiliate" of United Bankshares, Inc., a West Virginia corporation
("United"), as that term is defined in the Securities and Exchange Commission's
Accounting Series Releases 130 and 135. I understand that pursuant to the terms
of the Agreement and Plan of Merger, dated as of September 10, 1997 (the "Merger
Agreement"), by and between George Mason Bankshares, Inc., a Virginia
corporation ("Mason"), and United, Mason plans to merge with and into United
(the "Merger") and that the merger is intended to be accounted for under the
"pooling of interests" accounting method.
 
     I have carefully read this letter and reviewed the Merger Agreement and
discussed their requirements and other applicable limitations upon my ability to
sell, transfer, or otherwise dispose of common stock of United and Mason, to the
extent I felt necessary, with my counsel or counsel for United.
 
     I hereby represent, warrant and covenant with and to United that:

     1. I will not sell, transfer or otherwise dispose of, or reduce my risk
relative to, any shares of common stock of Mason or United (whether or not
acquired by me in the Merger) during the period commencing 30 days prior to the
effective date of the Merger and ending at such time as United notifies me that
results covering at least 30 days of combined operations of Mason and United
after the Merger have been published by United. I understand that United is not
obligated to publish such combined financial results except in accordance with
its normal financial reporting practice.
 
     2. I further understand and agree that this letter agreement shall apply to
all shares of common stock of Mason and United that I am deemed to beneficially
own pursuant to applicable federal securities laws.
 
     3. If United advises me in writing that additional restrictions apply to my
ability to sell, transfer, or otherwise dispose of common stock of Mason or
United in order for United to be entitled to use the "pooling of interests"
accounting method, I will abide by such restrictions.
 
                                         Very truly yours,
 
                                         By ____________________________________
                                           Name:
 
Accepted this ____ day of
_______________, 1997.
 
UNITED BANKSHARES, INC.
 
By __________________________________________________________
    Name:
    Title:
 
                                       1

<PAGE>
                                                                         ANNEX A
 
      FORM OF SUPPLEMENT FOR MERGER SUB ACCESSION TO ACQUISITION AGREEMENT
 
     SUPPLEMENT, dated as of the [  ] day of [  ], 1997 (this "SUPPLEMENT"), to
the Agreement and Plan of Merger, dated as of September 10, 1997 (as amended
from time to time in accordance with the terms thereof, the "MERGER AGREEMENT"),
by and between George Mason Bankshares, Inc. ("MASON") and United Bankshares,
Inc. ("UNITED").
 
     WHEREAS, terms used but not otherwise defined herein have the meanings
specified in the Merger Agreement; and
 
     WHEREAS, pursuant to Section 2.01 of the Merger Agreement, United has
determined to consummate the Merger in part through the merger of [insert
name(s) of Merger Sub(s)] ([each and][the] "MERGER SUB") with and into Mason.
 
     NOW, THEREFORE, by its execution of this Supplement, as of the date hereof,
[each of] the undersigned (i) adopts and becomes a party to the Acquisition
Agreement, as required by Section 2.01 thereof and (ii) agrees to perform all
its obligations and agreements set forth therein.
 
     IN WITNESS WHEREOF, this Supplement has been duly executed and delivered by
the undersigned, duly authorized thereunto as of the date first hereinabove
written.
 
                                         [INSERT NAME OF MERGER SUB]
 
                                         By: ___________________________________
                                           Name:
                                           Title:
 
<PAGE>
                                                                  CONFORMED COPY

          SUPPLEMENT FOR MERGER SUB ACCESSION TO ACQUISITION AGREEMENT

     SUPPLEMENT, dated as of the 10th day of December, 1997 (this "SUPPLEMENT"),
to the Amended and Restated Agreement and Plan of Merger, dated as of December
10, 1997 (as amended from time to time in accordance with the terms thereof, the
"MERGER AGREEMENT"), by and between George Mason Bankshares, Inc. ("MASON") and
United Bankshares, Inc. ("UNITED").

     WHEREAS, terms used but not otherwise defined herein have the meanings
specified in the Merger Agreement; and

     WHEREAS, pursuant to Section 2.01 of the Merger Agreement, United has
determined to consummate the Merger in part through the merger of George Mason
Holding Company ("MERGER SUB") with and into Mason.

     NOW, THEREFORE, by its execution of this Supplement, as of the date hereof,
the undersigned (i) adopts and becomes a party to the Acquisition Agreement, as
required by Section 2.01 thereof and (ii) agrees to perform all its obligations
and agreements set forth therein.

     IN WITNESS WHEREOF, this Supplement has been duly executed and delivered by
the undersigned, duly authorized thereunto as of the date first hereinabove
written.

                                         GEORGE MASON HOLDING COMPANY

                                         By: /s/ RICHARD M. ADAMS
                                           _____________________________________
                                           Name: Richard M. Adams
                                           Title: President

<PAGE>
                                 PLAN OF MERGER

     PLAN OF MERGER (this "PLAN") of George Mason Bankshares, Inc. ("MASON"), a
Virginia corporation, and George Mason Holding Company ("MASON HOLDING"), a
Virginia Corporation and wholly owned subsidiary of United Bankshares, Inc.
("UNITED").
 
                                   ARTICLE I
 
                                  DEFINITIONS
 
     1.1 CERTAIN DEFINITIONS. The following terms are used in this Plan with the
meanings set forth below:
 
     "CODE" means the Internal Revenue Code of 1986, as amended.
 
     "EFFECTIVE DATE" means the effective date of the Merger.
 
     "EFFECTIVE TIME" means the effective time of the Merger.

     "MASON COMMON STOCK" means the common stock, par value $1.11 per share, of
Mason.
 
     "MASON PREFERRED STOCK" means the preferred stock, par value $0.01 per
share, of Mason.
 
     "MASON STOCK" means, collectively, Mason Common Stock and Mason Preferred
Stock.
 
     "MERGER AGREEMENT" means the Amended and Restated Agreement and Plan of
Merger, dated as of December 10, 1997, as amended, by and between Mason and
United.
 
     "NASDAQ" means The Nasdaq Stock Market, Inc.'s National Market System.
 
     "SUBSIDIARY" has the meaning ascribed to it in Rule 1-02 of Regulation S-X
of the Securities and Exchange Commission.
 
     "TREASURY STOCK" mean shares of Mason Stock held by Mason or any of its
Subsidiaries or by United or any of its Subsidiaries, in each case other than in
a fiduciary capacity or as a result of debts previously contracted in good
faith.
 
     "UNITED COMMON STOCK" means the common stock, par value $5.00 per share, of
United.
 
     "VSCA" means the Virginia Stock Corporation Act.
 
     1.2 CERTAIN DEFINITIONS. Terms used and not otherwise defined herein have
the meanings specified in the Merger Agreement.
 
                                   ARTICLE II
 
                              TERMS OF THE MERGER
 
     2.1 THE MERGER. The names of the corporations to be merged are George Mason
Holding Company and George Mason Bankshares, Inc. At the Effective Time, Mason
Holding shall merge with and into Mason (the "MERGER"), the separate corporate
existence of Mason Holding shall cease and Mason shall survive and continue to
exist as a Virginia corporation and wholly owned subsidiary of United (Mason, as
the surviving corporation in the Merger, sometimes being referred to herein as
the "SURVIVING CORPORATION").
 
     2.2 EFFECT OF THE MERGER. Subject to the satisfaction or waiver of the
conditions set forth in Article IV of this Plan, the Merger shall become
effective upon the occurrence of the filing in the office of the Virginia State
Corporation Commission (the "CORPORATION COMMISSION") of articles of merger in
accordance with Section 13.1-720 of the VSCA or such later date and time as may
be set forth in such articles and the issuance of a certificate of merger by the
Corporation Commission under the VSCA. The Merger shall have the effects
prescribed in the VSCA.
 
     2.3 ARTICLES OF INCORPORATION AND BY-LAWS. The articles of incorpora tion
and by-laws of Mason immediately after the Merger shall be those of Mason
Holding as in effect immediately prior to the Effective Time.
 
     2.4 DIRECTORS AND OFFICERS OF MASON. The directors and officers of Mason
immediately after the Merger shall be the directors and officers of Mason
Holding immediately prior to the Effective Time, until such time as their
successors shall be duly elected and qualified.
 
                                       1
 
<PAGE>
                                  ARTICLE III

                     MANNER AND BASIS OF CONVERTING SHARES
 
     3.1 MERGER CONSIDERATION. At the Effective Time, automatically by virtue of
the Merger and without any action on the part of any person:
 
     (a) OUTSTANDING MASON COMMON STOCK. Each share, excluding Treasury Stock,
of Mason Common Stock issued and outstanding immediately prior to the Effective
Time shall become and be converted into 0.85 of a share of United Common Stock
(the "EXCHANGE RATIO"). In the event United changes (or establishes a record
date for changing) the number of shares of United Common Stock issued and
outstanding prior to the Effective Date as a result of a stock split, stock
dividend, recapitalization or similar transaction with respect to the
outstanding United Common Stock and the record date therefor shall be prior to
the Effective Date, the Exchange Ratio shall be proportionately adjusted. Mason
Common Stock is the only class of stock of Mason issued and outstanding.
 
     (b) TREASURY SHARES. Each share of Mason Common Stock held as Treasury
Stock immediately prior to the Effective Time shall be canceled and retired at
the Effective Time and no consideration shall be issued in exchange therefor.
 
     3.2 RIGHTS AS STOCKHOLDERS; STOCK TRANSFERS. At the Effective Time, holders
of Mason Common Stock shall cease to be, and shall have no rights as,
stockholders of Mason, other than to receive any dividend or other distribution
with respect to such Mason Common Stock with a record date occurring prior to
the Effective Time and the consideration provided herein. After the Effective
Time, there shall be no transfers on the stock transfer books of Mason or the
Surviving Corporation of shares of Mason Common Stock.
 
     3.3 FRACTIONAL SHARES. Notwithstanding any other provision hereof, no
fractional shares of United Common Stock and no certificates or scrip therefor,
or other evidence of ownership thereof, will be issued in the Merger; instead,
United shall pay to each holder of Mason Common Stock who would otherwise be
entitled to a fractional share of United Common Stock (after taking into account
all Old Certificates delivered by such holder) an amount in cash (without
interest) determined by multiplying such fraction by the average of the last
sale prices of United Common Stock, as reported by NASDAQ reporting system (as
reported in THE WALL STREET JOURNAL or, if not reported therein, in another
authoritative source), for the five NASDAQ trading days immediately preceding
the Effective Date.
 
     3.4 EXCHANGE PROCEDURES. (a) At or prior to the Effective Time, United
shall deposit, or shall cause to be deposited, with Chase Mellon Shareholder
Services (in such capacity, the "EXCHANGE AGENT"), for the benefit of the
holders of certificates formerly representing shares of Mason Common Stock ("OLD
CERTIFICATES"), for exchange in accordance with this Article III, certificates
representing the shares of United Common Stock ("NEW CERTIFICATES") and an
estimated amount of cash (such cash and New Certificates, together with any
dividends or distributions with a record date occurring after the Effective Date
with respect thereto (without any interest on any such cash, dividends or
distributions), being hereinafter referred to as the "EXCHANGE FUND") to be paid
pursuant to this Article III in exchange for outstanding shares of Mason Common
Stock.
 
     (b) As promptly as practicable after the Effective Date, United shall send
or cause to be sent to each former holder of record of shares of Mason Common
Stock immediately prior to the Effective Time transmittal materials for use in
exchanging such stockholder's Old Certificates for the consideration set forth
in this Article III. United shall cause the New Certificates into which shares
of a stockholder's Mason Common Stock are converted on the Effective Date and/or
any check in respect of any fractional share interests or dividends or
distributions which such person shall be entitled to receive to be delivered to
such stockholder upon delivery to the Exchange Agent of Old Certificates
representing such shares of Mason Common Stock (or indemnity reasonably
satisfactory to United and the Exchange Agent, if any of such certificates are
lost, stolen or destroyed) owned by such stockholder. No interest will be paid
on any such cash to be paid in lieu of fractional share interests or in respect
of dividends or distributions which any such person shall be entitled to receive
pursuant to this Article III upon such delivery.
 
     (c) Notwithstanding the foregoing, neither the Exchange Agent, if any, nor
any party hereto shall be liable to any former holder of Mason Stock for any
amount properly delivered to a public official pursuant to applicable abandoned
property, escheat or similar laws.
 
     (d) No dividends or other distributions with respect to United Common Stock
with a record date occurring after the Effective Time shall be paid to the
holder of any unsurrendered Old Certificate representing shares of Mason Common
Stock converted in the Merger into the right to receive shares of such United
Common Stock until the holder thereof shall be entitled to receive New
Certificates in exchange therefor in accordance with the procedures set forth in
this Section 3.4, and,
 
                                       2
 
<PAGE>
following 90 days after the Effective Date, no such shares of Mason Common Stock
shall be eligible to vote until the holder of Old Certificates is entitled to
receive New Certificates in accordance with the procedures set forth in this
Section 3.4. After becoming so entitled in accordance with this Section 3.4, the
record holder thereof also shall be entitled to receive any such dividends or
other distributions, without any interest thereon, which theretofore had become
payable with respect to shares of United Common Stock such holder had the right
to receive upon surrender of the Old Certificates.
 
     (e) Any portion of the Exchange Fund that remains unclaimed by the
stockholders of Mason for six months after the Effective Time shall be paid to
United. Any stockholders of Mason who have not theretofore complied with this
Article III shall thereafter look only to United for payment of the shares of
United Common Stock, cash in lieu of any fractional shares and unpaid dividends
and distributions on United Common Stock deliverable in respect of each share of
Mason Common Stock such stockholder holds as determined pursuant to the Merger
Agreement and this Plan, in each case, without any interest thereon.
 
     3.5 OPTIONS. (a) At the Effective Time, each outstanding option to purchase
shares of Mason Common Stock under the Mason Stock Plans (each, a "MASON STOCK
OPTION"), whether vested or unvested, shall be converted into an option to
acquire, on the same terms and conditions as were applicable under such Mason
Stock Option, the number of shares of United Common Stock equal to (a) the
number of shares of Mason Common Stock subject to the Mason Stock Option,
multiplied by (b) the Exchange Ratio (such product rounded to the nearest whole
number) (a "REPLACEMENT OPTION"), at an exercise price per share (rounded to the
nearest whole cent) equal to (y) the aggregate exercise price for the shares of
Mason Common Stock which were purchasable pursuant to such Mason Stock Option
divided by (z) the number of full shares of United Common Stock subject to such
Replacement Option in accordance with the foregoing. Notwithstanding the
foregoing, each Mason Stock Option which is intended to be an "incentive stock
option" (as defined in Section 422 of the Code) shall be adjusted in accordance
with the requirements of Section 424 of the Code. At or prior to the Effective
Time, Mason shall use its best efforts, including using its best efforts to
obtain any necessary consents from optionees, with respect to the Mason Stock
Plans to permit the replacement of the outstanding Mason Stock Options by United
pursuant to this Section and to permit United to assume the Mason Stock Plans.
Mason shall further take all action necessary to amend the Mason Stock Plans to
eliminate automatic grants or awards thereunder following the Effective Time. At
the Effective Time, United shall assume the Mason Stock Plans; PROVIDED, that
such assumption shall be only in respect of the Replacement Options and that
United shall have no obligation with respect to any awards under the Mason Stock
Plans other than the Replacement Options and shall have no obligation to make
any additional grants or awards under such assumed Mason Stock Plans.
 
     (b) At all times after the Effective Time, United shall reserve for
issuance such number of shares of United Common Stock as necessary so as to
permit the exercise of options granted under the Mason Stock Plans in the manner
contemplated by the Merger Agreement, this Plan and the instruments pursuant to
which such options were granted. United shall make all filings required under
federal and state securities laws no later than the Effective Time so as to
permit the exercise of such options and the sale of the shares received by the
optionee upon such exercise at and after the Effective Time and United shall
continue to make such filings thereafter as may be necessary to permit the
continued exercise of options and sale of such shares.
 
                                   ARTICLE IV
 
                            CONDITIONS TO THE MERGER
 
     4.1 Consummation of the Merger is conditioned upon the following:
 
     (a) (i) Approval of the Merger Agreement and this Plan by the affirmative
vote of more than two-thirds of the outstanding shares of Mason Common Stock and
(ii) approval of an amendment to the United Restated Articles of Incorporation
increasing the number of authorized shares of United Common Stock and the
issuance by United of shares of United Common Stock to be issued pursuant to the
Merger by a majority of the outstanding shares of United Common Stock;

     (b) Receipt of required regulatory approvals;
 
     (c) Absence of governmental action prohibiting consummation;
 
     (d) An effective Registration Statement under the Securities Act of 1933
and no orders or other action suspending such effectiveness;
 
     (e) Receipt of all required permits and authorizations under state
securities laws;

                                       3
 
<PAGE>
     (f) To the extent required, approval of the shares of United Common Stock
issued in the Merger for listing on the NASDAQ, subject to notice of issuance;
 
     (g) The filing and effectiveness of the amendment to the United Restated
Articles of Incorporation;
 
     (h) All representations and warranties made by the respective parties are
true and correct as of the Effective Time as contemplated by the Merger
Agreement and receipt by the parties of appropriate officers' certificates to
such effect; and
 
     (i) Performance of all required obligations by the respective parties and
receipt by the parties of appropriate officers' certificates to such effect.
 
                                   ARTICLE V
 
                                  TERMINATION
 
     5.1 This Plan may be terminated prior to the Effective Time as provided in
Article VIII of the Merger Agreement and shall terminate at the same time as the
Merger Agreement.
 
                                       4
 
<PAGE>
                                                                      APPENDIX B
 
                             STOCK OPTION AGREEMENT
 
<PAGE>
                                                                  CONFORMED COPY
 
                             STOCK OPTION AGREEMENT
 
     STOCK OPTION AGREEMENT, dated as of September 11, 1997, between United
Bankshares, Inc., a West Virginia corporation ("Grantee"), and George Mason
Bankshares, Inc., a Virginia corporation ("Issuer").
 
                                  WITNESSETH:
 
     WHEREAS, Grantee and Issuer have entered into an Agreement and Plan of
Merger (the "Merger Agreement");
 
     WHEREAS, as an inducement to the willingness of Grantee to continue to
pursue the transactions contemplated by the Merger Agreement, Issuer has agreed
to grant Grantee the Option (as hereinafter defined); and
 
     WHEREAS, the Board of Directors of Issuer has approved the grant of the
Option and the Merger Agreement prior to the date hereof;
 
     NOW, THEREFORE, in consideration of the foregoing and the mutual covenants
and agreements set forth herein and in the Merger Agreement, the parties hereto
agree as follows:
 
     1. (a) Issuer hereby grants to Grantee an unconditional, irrevocable option
(the "Option") to purchase, subject to the terms hereof, up to an aggregate of
1,018,000 fully paid and nonassessable shares of the common stock, par value
$1.11 per share, of Issuer ("Common Stock") at a price per share equal to the
average of last reported sale prices per share of Common Stock as reported on
the NASDAQ National Market System on September 4 and 5, 1997; PROVIDED, HOWEVER,
that in the event Issuer issues or agrees to issue any shares of Common Stock
(other than shares of Common Stock issued pursuant to stock options granted
pursuant to any employee benefit plan prior to the date hereof) at a price less
than such average price per share (as adjusted pursuant to subsection (b) of
Section 5), such price shall be equal to such lesser price (such price, as
adjusted if applicable, the "Option Price"); PROVIDED, FURTHER, that in no event
shall the number of shares for which this Option is exercisable exceed 19.9% of
the issued and outstanding shares of Common Stock. The number of shares of
Common Stock that may be received upon the exercise of the Option and the Option
Price are subject to adjustment as herein set forth.
 
     (b) In the event that any additional shares of Common Stock are issued or
otherwise become outstanding after the date of this Agreement (other than
pursuant to this Agreement and other than pursuant to an event described in
Section 5(a) hereof), the number of shares of Common Stock subject to the Option
shall be increased so that, after such issuance, such number together with any
shares of Common Stock previously issued pursuant hereto, equals 19.9% of the
number of shares of Common Stock then issued and outstanding without giving
effect to any shares subject or issued pursuant to the Option. Nothing contained
in this Section l(b) or elsewhere in this Agreement shall be deemed to authorize
Issuer to issue shares in breach any provision of the Merger Agreement.
 
     2. (a) The Holder (as hereinafter defined) may exercise the Option, in
whole or part, if, but only if, both an Initial Triggering Event (as hereinafter
defined) and a Subsequent Triggering Event (as hereinafter defined) shall have
occurred prior to the occurrence of an Exercise Termination Event (as
hereinafter defined), PROVIDED that the Holder shall have sent the written
notice of such exercise (as provided in subsection (e) of this Section 2) within
six (6) months following such Subsequent Triggering Event (or such later period
as provided in Section 10). Each of the following shall be an Exercise
Termination Event: (i) the Effective Time of the Merger; (ii) termination of the
Merger Agreement in accordance with the provisions thereof if such termination
occurs prior to the occurrence of an Initial Triggering Event except a
termination by Grantee pursuant to Section 8.01(b) or Section 8.01(e) of the
Merger Agreement (but only if the breach giving rise to the termination was
willful) (each, a "Listed Termination"); or (iii) the passage of eighteen (18)
months (or such longer period as provided in Section 10) after termination of
the Merger Agreement if such termination follows the occurrence of an Initial
Triggering Event or is a Listed Termination. The term "Holder" shall mean the
holder or holders of the Option. Notwithstanding anything to the contrary
contained herein, (i) the Option may not be exercised at any time when Grantee
shall be in material breach of any of its covenants or agreements contained in
the Merger Agreement such that Issuer shall be entitled to terminate the Merger
Agreement pursuant to Section 8.01(b) thereof as a result of a material breach
and (ii) this Agreement shall automatically terminate upon the proper
termination of the Merger Agreement (x) by Issuer pursuant to Section 8.01(b)
thereof as a result of the material breach by Grantee of its covenants or
agreements contained in the Merger Agreement, (y)
 
                                      B-1
 
<PAGE>
by Issuer or Grantee pursuant to Section 8.01(d) (ii) if Grantee's shareholders
do not approve the Merger Agreement at the meeting, or (z) by Issuer or Grantee
pursuant to Section 8.01(d)(i).
 
     (b) The term "Initial Triggering Event" shall mean any of the following
events or transactions occurring on or after the date hereof:

          (i) Issuer or any Significant Subsidiary (as defined in Rule 1-02 of
     Regulation S-X promulgated by the Securities and Exchange Commission (the
     "SEC")) (an "Issuer Subsidiary"), without having received Grantee's prior
     written consent, shall have entered into an agreement to engage in an
     Acquisition Transaction (as hereinafter defined) with any person (the term
     "person" for purposes of this Agreement having the meaning assigned thereto
     in Sections 3(a)(9) and 13(d)(3) of the Securities Exchange Act of 1934, as
     amended (the "1934 Act"), and the rules and regulations thereunder) other
     than Grantee or any of its Subsidiaries (each a "Grantee Subsidiary") or
     the Board of Directors of Issuer (the "Issuer Board") shall have
     recommended that the shareholders of Issuer approve or accept any
     Acquisition Transaction other than as contemplated by the Merger Agreement.
     For purposes of this Agreement, (a) "Acquisition Transaction" shall mean
     (x) a merger or consolidation, or any similar transaction, involving Issuer
     or any Issuer Subsidiary (other than mergers, consolidations or similar
     transactions (i) involving solely Issuer and/or one or more wholly-owned
     (except for directors' qualifying shares and a de minimis number of other
     shares) Subsidiaries of the Issuer, provided, any such transaction is not
     entered into in violation of the terms of the Merger Agreement or (ii) in
     which the shareholders of Issuer immediately prior to the completion of
     such transaction own at least 50% of the Common Stock of the Issuer (or the
     resulting or surviving entity in such transaction) immediately after
     completion of such transaction, provided any such transaction is not
     entered into in violation of the terms of the Merger Agreement), (y) a
     purchase, lease or other acquisition of all or any substantial part of the
     assets or deposits of Issuer or any Issuer Subsidiary, or (z) a purchase or
     other acquisition (including by way of merger, consolidation, share
     exchange or otherwise) of securities representing 10% or more of the voting
     power of Issuer or any Issuer Subsidiary and (b) "Subsidiary" shall have
     the meaning set forth in Rule 12b-2 under the 1934 Act;
 
          (ii) Any person other than the Grantee or any Grantee Subsidiary shall
     have acquired beneficial ownership or the right to acquire beneficial
     ownership of 10% or more of the outstanding shares of Common Stock (the
     term "beneficial ownership" for purposes of this Agreement having the
     meaning assigned thereto in Section 13(d) of the 1934 Act, and the rules
     and regulations thereunder);
 
          (iii) The shareholders of Issuer shall have voted and failed to
     approve the Merger Agreement and the Merger at a meeting which has been
     held for that purpose or any adjournment or postponement thereof, or such
     meeting shall not have been held in violation of the Merger Agreement or
     shall have been cancelled prior to termination of the Merger Agreement if,
     prior to such meeting (or if such meeting shall not have been held or shall
     have been cancelled, prior to such termination), it shall have been
     publicly announced that any person (other than Grantee or any of its
     Subsidiaries) shall have made, or publicly disclosed an intention to make,
     a proposal to engage in an Acquisition Transaction;
 
          (iv) The Issuer Board shall have withdrawn or modified (or publicly
     announced its intention to withdraw or modify) in any manner adverse in any
     respect to Grantee its recommendation that the shareholders of Issuer
     approve the transactions contemplated by the Merger Agreement, or Issuer or
     any Issuer Subsidiary shall have authorized, recommended, proposed (or
     publicly announced its intention to authorize, recommend or propose) an
     agreement to engage in an Acquisition Transaction with any person other
     than Grantee or a Grantee Subsidiary;
 
          (v) Any person other than Grantee or any Grantee Subsidiary shall have
     made a proposal to Issuer or its shareholders to engage in an Acquisition
     Transaction and such proposal shall have been publicly announced;
 
          (vi) Any person other than Grantee or any Grantee Subsidiary shall
     have filed with the SEC a registration statement or tender offer materials
     with respect to a potential exchange or tender offer that would constitute
     an Acquisition Transaction (or filed a preliminary proxy statement with the
     SEC with respect to a potential vote by its shareholders to approve the
     issuance of shares to be offered in such an exchange offer);
 
          (vii) Issuer shall have willfully breached any covenant or obligation
     contained in the Merger Agreement in anticipation of engaging in an
     Acquisition Transaction, and following such breach Grantee would be
     entitled to terminate the Merger Agreement (whether immediately or after
     the giving of notice or passage of time or both); or
 
                                      B-2
 
<PAGE>
          (viii) Any person other than Grantee or any Grantee Subsidiary shall
     have filed an application or notice with the Board of Governors of the
     Federal Reserve System (the "Federal Reserve Board") or other federal or
     state bank regulatory or antitrust authority, which application or notice
     has been accepted for processing, for approval to engage in an Acquisition
     Transaction.
 
     (c) The term "Subsequent Triggering Event" shall mean any of the following
events or transactions occurring after the date hereof:

          (i) The acquisition by any person (other than Grantee or any Grantee
     Subsidiary) of beneficial ownership of 25% or more of the then outstanding
     Common Stock; or
 
          (ii) The occurrence of the Initial Triggering Event described in
     clause (i) of subsection (b) of this Section 2, except that the percentage
     referred to in clause (z) of the second sentence thereof shall be 25%.
 
     (d) Issuer shall notify Grantee promptly in writing of the occurrence of
any Initial Triggering Event or Subsequent Triggering Event (together, a
"Triggering Event"), it being understood that the giving of such notice by
Issuer shall not be a condition to the right of the Holder to exercise the
Option.
 
     (e) In the event the Holder is entitled to and wishes to exercise the
Option (or any portion thereof), it shall send to Issuer a written notice (the
date of which being herein referred to as the "Notice Date") specifying (i) the
total number of shares it will purchase pursuant to such exercise and (ii) a
place and date not earlier than three business days nor later than 60 business
days from the Notice Date for the closing of such purchase (the "Closing Date");
PROVIDED, that if prior notification to or approval of the Federal Reserve Board
or any other regulatory or antitrust agency is required in connection with such
purchase, the Holder shall promptly file the required notice or application for
approval, shall promptly notify Issuer of such filing, and shall expeditiously
process the same and the period of time that otherwise would run pursuant to
this sentence shall run instead from the date on which any required notification
periods have expired or been terminated or such approvals have been obtained and
any requisite waiting period or periods shall have passed. Any exercise of the
Option shall be deemed to occur on the Notice Date relating thereto.
 
     (f) At the closing referred to in subsection (e) of this Section 2, the
Holder shall (i) pay to Issuer the aggregate purchase price for the shares of
Common Stock purchased pursuant to the exercise of the Option in immediately
available funds by wire transfer to a bank account designated by Issuer and (ii)
present and surrender this Agreement to Issuer at its principal executive
offices, PROVIDED that the failure or refusal of the Issuer to designate such a
bank account or accept surrender of this Agreement shall not preclude the Holder
from exercising the Option.
 
     (g) At such closing, simultaneously with the delivery of immediately
available funds as provided in subsection (f) of this Section 2, Issuer shall
deliver to the Holder a certificate or certificates representing the number of
shares of Common Stock purchased by the Holder and, if the Option should be
exercised in part only, a new Option evidencing the rights of the Holder thereof
to purchase the balance of the shares purchasable hereunder.
 
     (h) Certificates for Common Stock delivered at a closing hereunder may be
endorsed with a restrictive legend that shall read substantially as follows:
 
          "The transfer of the shares represented by this certificate is subject
     to certain provisions of an agreement, dated as of ________, 199_, between
     the registered holder hereof and Issuer and to resale restrictions arising
     under the Securities Act of 1933, as amended. A copy of such agreement is
     on file at the principal office of Issuer and will be provided to the
     holder hereof without charge upon receipt by Issuer of a written request
     therefor."

     It is understood and agreed that: (i) the reference to the resale
restrictions of the Securities Act of 1933, as amended (the "1933 Act") in the
above legend shall be removed by delivery of substitute certificate(s) without
such reference if the Holder shall have delivered to Issuer a copy of a letter
from the staff of the SEC, or an opinion of counsel, in form and substance
reasonably satisfactory to Issuer, to the effect that such legend is not
required for purposes of the 1933 Act; (ii) the reference to the provisions of
this Agreement in the above legend shall be removed by delivery of substitute
certificate(s) without such reference if the shares have been sold or
transferred in compliance with the provisions of this Agreement and under
circumstances that do not require the retention of such reference in the opinion
of Counsel to the Holder; and (iii) the legend shall be removed in its entirety
if the conditions in the preceding clauses (i) and (ii) are both satisfied. In
addition, such certificates shall bear any other legend as may be required by
law.
 
     (i) Upon the giving by the Holder to Issuer of the written notice of
exercise of the Option provided for under subsection (e) of this Section 2 and
the tender of the applicable purchase price in immediately available funds, the
Holder shall be
 
                                      B-3
 
<PAGE>
deemed subject to the receipt of any necessary regulatory approvals to be the
holder of record of the shares of Common Stock issuable upon such exercise,
notwithstanding that the stock transfer books of Issuer shall then be closed or
that certificates representing such shares of Common Stock shall not then be
actually delivered to the Holder. Issuer shall pay all expenses, and any and all
United States federal, state and local taxes and other charges that may be
payable in connection with the preparation, issue and delivery of stock
certificates under this Section 2 in the name of the Holder or its assignee,
transferee or designee.
 
     3. Issuer agrees: (i) that it shall at all times maintain, free from
preemptive rights, sufficient authorized but unissued or treasury shares of
Common Stock so that the Option may be exercised without additional
authorization of Common Stock after giving effect to all other options,
warrants, convertible securities and other rights to purchase Common Stock; (ii)
that it will not, by charter amendment or through reorganization, consolidation,
merger, dissolution or sale of assets, or by any other voluntary act, avoid or
seek to avoid the observance or performance of any of the covenants,
stipulations or conditions to be observed or performed hereunder by Issuer;
(iii) promptly to take all action as may from time to time be required
(including (x) complying with all applicable premerger notification, reporting
and waiting period requirements specified in 15 U.S.C. Section 18a and
regulations promulgated thereunder and (y) in the event, under the Bank Holding
Company Act of 1956, as amended (the "BHCA"), or the Change in Bank Control Act
of 1978, as amended, or any state or other federal banking law, prior approval
of or notice to the Federal Reserve Board or to any state or other federal
regulatory authority is necessary before the Option may be exercised,
cooperating fully with the Holder in preparing such applications or notices and
providing such information to the Federal Reserve Board or such state or other
federal regulatory authority as they may require) in order to permit the Holder
to exercise the Option and Issuer duly and effectively to issue shares of Common
Stock pursuant hereto; and (iv) promptly to take all action provided herein to
protect the rights of the Holder against dilution.
 
     4. This Agreement (and the Option granted hereby) are exchangeable, without
expense, at the option of the Holder, upon presentation and surrender of this
Agreement at the principal office of Issuer, for other Agreements providing for
Options of different denominations entitling the holder thereof to purchase, on
the same terms and subject to the same conditions as are set forth herein, in
the aggregate the same number of shares of Common Stock purchasable hereunder.
The terms "Agreement" and "Option" as used herein include any Agreements and
related Options for which this Agreement (and the Option granted hereby) may be
exchanged. Upon receipt by Issuer of evidence reasonably satisfactory to it of
the loss, theft, destruction or mutilation of this Agreement, and (in the case
of loss, theft or destruction) of reasonably satisfactory indemnification, and
upon surrender and cancellation of this Agreement, if mutilated, Issuer will
execute and deliver a new Agreement of like tenor and date. Any such new
Agreement executed and delivered shall constitute an additional contractual
obligation on the part of Issuer, whether or not the Agreement so lost, stolen,
destroyed or mutilated shall at any time be enforceable by anyone.

     5. In addition to the adjustment in the number of shares of Common Stock
that are purchasable upon exercise of the Option pursuant to Section 1 of this
Agreement, the number of shares of Common Stock purchasable upon the exercise of
the Option and the Option Price shall be subject to adjustment from time to time
as provided in this Section 5.
 
     (a) In the event of any change in, or distributions in respect of, the
Common Stock by reason of stock dividends, split-ups, mergers,
recapitalizations, combinations, subdivisions, conversions, exchanges of shares
or the like, the type and number of shares of Common Stock purchasable upon
exercise hereof shall be appropriately adjusted and proper provision shall be
made so that, in the event that any additional shares of Common Stock are to be
issued or otherwise become outstanding as a result of any such change (other
than pursuant to an exercise of the Option), the number of shares of Common
Stock that remain subject to the Option shall be increased so that, after such
issuance and together with shares of Common Stock previously issued pursuant to
the exercise of the Option (as adjusted on account of any of the foregoing
changes in the Common Stock), it equals 19.9% of the number of shares of Common
Stock then issued and outstanding.
 
     (b) Whenever the number of shares of Common Stock purchasable upon exercise
hereof is adjusted as provided in this Section 5, the Option Price shall be
adjusted by multiplying the Option Price by a fraction, the numerator of which
shall be equal to the number of shares of Common Stock purchasable prior to the
adjustment and the denominator of which shall be equal to the number of shares
of Common Stock purchasable after the adjustment.
 
     6. Upon the occurrence of a Subsequent Triggering Event that occurs prior
to an Exercise Termination Event, Issuer shall, at the request of Grantee
delivered within twelve (12) months (or such later period as provided in Section
10) of such Subsequent Triggering Event (whether on its own behalf or on behalf
of any subsequent holder of this Option (or part thereof) or any of the shares
of Common Stock issued pursuant hereto), promptly prepare, file and keep current
a registration statement under the 1933 Act covering any shares issued and
issuable pursuant to this Option and shall use its reasonable best
 
                                      B-4
 
<PAGE>
efforts to cause such registration statement to become effective and remain
current in order to permit the sale or other disposition of any shares of Common
Stock issued upon total or partial exercise of this Option ("Option Shares") in
accordance with any plan of disposition requested by Grantee. Issuer will use
its reasonable best efforts to cause such registration statement promptly to
become effective and then to remain effective for such period not in excess of
180 days from the day such registration statement first becomes effective or
such shorter time as may be reasonably necessary to effect such sales or other
dispositions. Grantee shall have the right to demand two such registrations. The
Issuer shall bear the costs of such registrations (including, but not limited
to, Issuer's attorneys' fees, printing costs and filing fees, except for
underwriting discounts or commissions, brokers' fees and the fees and
disbursements of Grantee's counsel related thereto). The foregoing
notwithstanding, if, at the time of any request by Grantee for registration of
Option Shares as provided above, Issuer is in registration with respect to an
underwritten public offering by Issuer of shares of Common Stock, and if in the
good faith judgment of the managing underwriter or managing underwriters, or, if
none, the sole underwriter or underwriters, of such offering the offer and sale
of the Option Shares would interfere with the successful marketing of the shares
of Common Stock offered by Issuer, the number of Option Shares otherwise to be
covered in the registration statement contemplated hereby may be reduced;
PROVIDED, HOWEVER, that after any such required reduction the number of Option
Shares to be included in such offering for the account of the Holder shall
constitute at least 25% of the total number of shares to be sold by the Holder
and Issuer in the aggregate; and PROVIDED FURTHER, HOWEVER, that if such
reduction occurs, then Issuer shall file a registration statement for the
balance as promptly as practicable thereafter as to which no reduction pursuant
to this Section 6 shall be permitted or occur and the Holder shall thereafter be
entitled to one additional registration and the twelve (12) month period
referred to in the first sentence of this section shall be increased to
twenty-four (24) months. Each such Holder shall provide all information
reasonably requested by Issuer for inclusion in any registration statement to be
filed hereunder. If requested by any such Holder in connection with such
registration, Issuer shall become a party to any underwriting agreement relating
to the sale of such shares, but only to the extent of obligating itself in
respect of representations, warranties, indemnities and other agreements
customarily included in such underwriting agreements for Issuer. Upon receiving
any request under this Section 6 from any Holder, Issuer agrees to send a copy
thereof to any other person known to Issuer to be entitled to registration
rights under this Section 6, in each case by promptly mailing the same, postage
prepaid, to the address of record of the persons entitled to receive such
copies. Notwithstanding anything to the contrary contained herein, in no event
shall the number of registrations that Issuer is obligated to effect be
increased by reason of the fact that there shall be more than one Holder as a
result of any assignment or division of this Agreement.
 
     7. (a) At any time after the occurrence of a Repurchase Event (as defined
below) (i) at the request of the Holder, delivered prior to an Exercise
Termination Event (or such later period as provided in Section 10), Issuer (or
any successor thereto) shall repurchase the Option from the Holder at a price
(the "Option Repurchase Price") equal to the amount by which (A) the
market/offer price (as defined below) exceeds (B) the Option Price, multiplied
by the number of shares for which this Option may then be exercised and (ii) at
the request of the owner of Option Shares from time to time (the "Owner"),
delivered prior to an Exercise Termination Event (or such later period as
provided in Section 10), Issuer (or any successor thereto) shall repurchase such
number of the Option Shares from the Owner as the Owner shall designate at a
price (the "Option Share Repurchase Price") equal to the market/offer price
multiplied by the number of Option Shares so designated. The term "market/offer
price" shall mean the highest of (i) the price per share of Common Stock at
which a tender or exchange offer therefor has been made, (ii) the price per
share of Common Stock to be paid by any third party pursuant to an agreement
with Issuer, (iii) the highest closing price for shares of Common Stock within
the six-month period immediately preceding the date the Holder gives notice of
the required repurchase of this Option or the Owner gives notice of the required
repurchase of Option Shares, as the case may be, or (iv) in the event of a sale
of all or any substantial part of Issuer's assets or deposits, the sum of the
net price paid in such sale for such assets or deposits and the current market
value of the remaining net assets of Issuer as determined by a nationally
recognized investment banking firm selected by the Holder or the Owner, as the
case may be, and reasonably acceptable to Issuer, divided by the number of
shares of Common Stock of Issuer outstanding at the time of such sale. In
determining the market/offer price, the value of consideration other than cash
shall be determined by a nationally recognized investment banking firm selected
by the Holder or Owner, as the case may be, and reasonably acceptable to Issuer.
 
     (b) The Holder and the Owner, as the case may be, may exercise its right to
require Issuer to repurchase the Option and any Option Shares pursuant to this
Section 7 by surrendering for such purpose to Issuer, at its principal office, a
copy of this Agreement or certificates for Option Shares, as applicable,
accompanied by a written notice or notices stating that the Holder or the Owner,
as the case may be, elects to require Issuer to repurchase this Option and/or
the Option Shares in accordance with the provisions of this Section 7. As
promptly as practicable, and in any event within five business days after the
surrender of the Option and/or certificates representing Option Shares and the
receipt of such notice or notices relating thereto, Issuer shall deliver or
cause to be delivered to the Holder the Option Repurchase Price and/or to the
Owner the Option Share
 
                                      B-5
 
<PAGE>
Repurchase Price therefor or the portion thereof that Issuer is not then
prohibited under applicable law and regulation from so delivering.
 
     (c) To the extent that Issuer is prohibited under applicable law or
regulation, or as a consequence of administrative policy, from repurchasing the
Option and/or the Option Shares in full, Issuer shall immediately so notify the
Holder and/or the Owner and thereafter deliver or cause to be delivered, from
time to time, to the Holder and/or the Owner, as appropriate, the portion of the
Option Repurchase Price and the Option Share Repurchase Price, respectively,
that it is no longer prohibited from delivering, within five business days after
the date on which Issuer is no longer so prohibited; PROVIDED, HOWEVER, that if
Issuer at any time after delivery of a notice of repurchase pursuant to
paragraph (b) of this Section 7 is prohibited under applicable law or
regulation, or as a consequence of administrative policy, from delivering to the
Holder and/or the Owner, as appropriate, the Option Repurchase Price and the
Option Share Repurchase Price, respectively, in full (and Issuer hereby
undertakes to use its reasonable best efforts to obtain all required regulatory
and legal approvals and to file any required notices as promptly as practicable
in order to accomplish such repurchase), the Holder or Owner may revoke its
notice of repurchase of the Option and/or the Option Shares whether in whole or
to the extent of the prohibition, whereupon, in the latter case, Issuer shall
promptly (i) deliver to the Holder and/or the Owner, as appropriate, that
portion of the Option Repurchase Price and/or the Option Share Repurchase Price
that Issuer is not prohibited from delivering; and (ii) deliver, as appropriate,
either (A) to the Holder, a new Agreement evidencing the right of the Holder to
purchase that number of shares of Common Stock obtained by multiplying the
number of shares of Common Stock for which the surrendered Agreement was
exercisable at the time of delivery of the notice of repurchase by a fraction,
the numerator of which is the Option Repurchase Price less the portion thereof
theretofore delivered to the Holder and the denominator of which is the Option
Repurchase Price, and/or (B) to the Owner, a certificate for the Option Shares
it is then so prohibited from repurchasing. If an Exercise Termination Event
shall have occurred prior to the date of the notice by Issuer described in the
first sentence of this subsection (c), or shall be scheduled to occur at any
time before the expiration of a period ending on the thirtieth day after such
date, the Holder shall nonetheless have the right to exercise the Option until
the expiration of such 30-day period.
 
     (d) For purposes of this Section 7, a "Repurchase Event" shall be deemed to
have occurred upon the occurrence of any of the following events or transactions
after the date hereof:
 
          (i) the acquisition by any person (other than Grantee or any Grantee
     Subsidiary) of beneficial ownership of 50% or more of the then outstanding
     Common Stock; or
 
          (ii) the consummation of any Acquisition Transaction described in
     Section 2(b) (i) hereof, except that the percentage referred to in clause
     (z) shall be 50%.
 
     8. (a) In the event that prior to an Exercise Termination Event, Issuer
shall enter into an agreement (i) to consolidate with or merge into any person,
other than Grantee or a Grantee Subsidiary, or engage in a plan of exchange with
any person, other than Grantee or a Grantee Subsidiary and Issuer shall not be
the continuing or surviving corporation of such consolidation or merger or the
acquirer in such plan of exchange, (ii) to permit any person, other than Grantee
or a Grantee Subsidiary, to merge into Issuer or be acquired by Issuer in a plan
of exchange and Issuer shall be the continuing or surviving or acquiring
corporation, but, in connection with such merger or plan of exchange, the then
outstanding shares of Common Stock shall be changed into or exchanged for stock
or other securities of any other person or cash or any other property or the
then outstanding shares of Common Stock shall after such merger or plan of
exchange represent less than 50% of the outstanding shares and share equivalents
of the merged or acquiring company, or (iii) to sell or otherwise transfer all
or a substantial part of its or the Issuer Subsidiary's assets or deposits to
any person, other than Grantee or a Grantee Subsidiary, then, and in each such
case, the agreement governing such transaction shall make proper provision so
that the Option shall, upon the consummation of any such transaction and upon
the terms and conditions set forth herein, be converted into, or exchanged for,
an option (the "Substitute Option"), at the election of the Holder, of either
(x) the Acquiring Corporation (as hereinafter defined) or (y) any person that
controls the Acquiring Corporation.
 
     (b) The following terms have the meanings indicated:
 
          (i) "Acquiring Corporation" shall mean (i) the continuing or surviving
     person of a consolidation or merger with Issuer (if other than Issuer),
     (ii) the acquiring person in a plan of exchange in which Issuer is
     acquired, (iii) the Issuer in a merger or plan of exchange in which Issuer
     is the continuing or surviving or acquiring person, and (iv) the transferee
     of all or a substantial part of Issuer's assets or deposits (or the assets
     or deposits of the Issuer Subsidiary).
 
          (ii) "Substitute Common Stock" shall mean the common stock issued by
     the issuer of the Substitute Option upon exercise of the Substitute Option.
 
                                      B-6
 
<PAGE>
          (iii) "Assigned Value" shall mean the market/offer price, as defined
     in Section 7.
 
          (iv) "Average Price" shall mean the average closing price of a share
     of the Substitute Common Stock for one year immediately preceding the
     consolidation, merger or sale in question, but in no event higher than the
     closing price of the shares of Substitute Common Stock on the day preceding
     such consolidation, merger or sale; PROVIDED that if Issuer is the issuer
     of the Substitute Option, the Average Price shall be computed with respect
     to a share of common stock issued by the person merging into Issuer or by
     any company which controls or is controlled by such person, as the Holder
     may elect.

     (c) The Substitute Option shall have the same terms as the Option, PROVIDED
that if the terms of the Substitute Option cannot, for legal reasons, be the
same as the Option, such terms shall be as similar as possible and in no event
less advantageous to the Holder. The issuer of the Substitute Option shall also
enter into an agreement with the then Holder or Holders of the Substitute Option
in substantially the same form as this Agreement (after giving effect for such
purpose to the provisions of Section 9), which agreement shall be applicable to
the Substitute Option.

     (d) The Substitute Option shall be exercisable for such number of shares of
Substitute Common Stock as is equal to the Assigned Value multiplied by the
number of shares of Common Stock for which the Option was exercisable
immediately prior to the event described in the first sentence of Section 8(a),
divided by the Average Price. The exercise price of the Substitute Option per
share of Substitute Common Stock shall then be equal to the Option Price
multiplied by a fraction, the numerator of which shall be the number of shares
of Common Stock for which the Option was exercisable immediately prior to the
event described in the first sentence of Section 8(a) and the denominator of
which shall be the number of shares of Substitute Common Stock for which the
Substitute Option is exercisable.
 
     (e) In no event, pursuant to any of the foregoing paragraphs, shall the
Substitute Option be exercisable for more than 19.9% of the shares of Substitute
Common Stock outstanding prior to exercise of the Substitute Option. In the
event that the Substitute Option would be exercisable for more than 19.9% of the
shares of Substitute Common Stock outstanding prior to exercise but for this
clause (e), the issuer of the Substitute Option (the "Substitute Option Issuer")
shall make a cash payment to Holder equal to the excess of (i) the value of the
Substitute Option without giving effect to the limitation in this clause (e)
over (ii) the value of the Substitute Option after giving effect to the
limitation in this clause (e). This difference in value shall be determined by a
nationally recognized investment banking firm selected by the Holder.
 
     (f) Issuer shall not enter into any transaction described in subsection (a)
of this Section 8 unless the Acquiring Corporation and any person that controls
the Acquiring Corporation assume in writing all the obligations of Issuer
hereunder.
 
     9. (a) At the request of the holder of the Substitute Option (the
"Substitute Option Holder"), the issuer of the Substitute Option (the
"Substitute Option Issuer") shall repurchase the Substitute Option from the
Substitute Option Holder at a price (the "Substitute Option Repurchase Price")
equal to the amount by which (i) the Highest Closing Price (as hereinafter
defined) exceeds (ii) the exercise price of the Substitute Option, multiplied by
the number of shares of Substitute Common Stock for which the Substitute Option
may then be exercised, and at the request of the owner (the "Substitute Share
Owner") of shares of Substitute Common Stock (the "Substitute Shares"), the
Substitute Option Issuer shall repurchase the Substitute Shares at a price (the
"Substitute Share Repurchase Price") equal to the Highest Closing Price
multiplied by the number of Substitute Shares so designated. The term "Highest
Closing Price" shall mean the highest closing price for shares of Substitute
Common Stock within the six-month period immediately preceding the date the
Substitute Option Holder gives notice of the required repurchase of the
Substitute Option or the Substitute Share Owner gives notice of the required
repurchase of the Substitute Shares, as applicable.
 
     (b) The Substitute Option Holder and the Substitute Share Owner, as the
case may be, may exercise its respective rights to require the Substitute Option
Issuer to repurchase the Substitute Option and the Substitute Shares pursuant to
this Section 9 by surrendering for such purpose to the Substitute Option Issuer,
at its principal office, the agreement for such Substitute Option (or, in the
absence of such an agreement, a copy of this Agreement) and/or certificates for
Substitute Shares accompanied by a written notice or notices stating that the
Substitute Option Holder or the Substitute Share Owner, as the case may be,
elects to require the Substitute Option Issuer to repurchase the Substitute
Option and/or the Substitute Shares in accordance with the provisions of this
Section 9. As promptly as practicable and in any event within five business days
after the surrender of the Substitute Option and/or certificates representing
Substitute Shares and the receipt of such notice or notices relating thereto,
the Substitute Option Issuer shall deliver or cause to be delivered to the
Substitute Option Holder the Substitute Option Repurchase Price and/or to the
Substitute Share Owner the Substitute Share Repurchase Price therefor or the
portion thereof which the Substitute Option Issuer is not then prohibited under
applicable law and regulation from so delivering.

                                      B-7
 
<PAGE>
     (c) To the extent that the Substitute Option Issuer is prohibited under
applicable law or regulation, or as a consequence of administrative policy, from
repurchasing the Substitute Option and/or the Substitute Shares in part or in
full, the Substitute Option Issuer shall immediately so notify the Substitute
Option Holder and/or the Substitute Share Owner and thereafter deliver or cause
to be delivered, from time to time, to the Substitute Option Holder and/or the
Substitute Share Owner, as appropriate, the portion of the Substitute Option
Repurchase Price and/or the Substitute Share Repurchase Price, respectively,
which it is no longer prohibited from delivering, within five (5) business days
after the date on which the Substitute Option Issuer is no longer so prohibited;
PROVIDED, HOWEVER, that if the Substitute Option Issuer is at any time after
delivery of a notice of repurchase pursuant to subsection (b) of this Section 9
prohibited under applicable law or regulation, or as a consequence of
administrative policy, from delivering to the Substitute Option Holder and/or
the Substitute Share Owner, as appropriate, the Substitute Option Repurchase
Price and the Substitute Share Repurchase Price, respectively, in full (and the
Substitute Option Issuer shall use its reasonable best efforts to receive all
required regulatory and legal approvals as promptly as practicable in order to
accomplish such repurchase), the Substitute Option Holder and/or Substitute
Share Owner may revoke its notice of repurchase of the Substitute Option or the
Substitute Shares either in whole or to the extent of prohibition, whereupon, in
the latter case, the Substitute Option Issuer shall promptly (i) deliver to the
Substitute Option Holder or Substitute Share Owner, as appropriate, that portion
of the Substitute Option Repurchase Price or the Substitute Share Repurchase
Price that the Substitute Option Issuer is not prohibited from delivering; and
(ii) deliver, as appropriate, either (A) to the Substitute Option Holder, a new
Substitute Option evidencing the right of the Substitute Option Holder to
purchase that number of shares of the Substitute Common Stock obtained by
multiplying the number of shares of the Substitute Common Stock for which the
surrendered Substitute Option was exercisable at the time of delivery of the
notice of repurchase by a fraction, the numerator of which is the Substitute
Option Repurchase Price less the portion thereof theretofore delivered to the
Substitute Option Holder and the denominator of which is the Substitute Option
Repurchase Price, and/or (B) to the Substitute Share Owner, a certificate for
the Substitute Option Shares it is then so prohibited from repurchasing. If an
Exercise Termination Event shall have occurred prior to the date of the notice
by the Substitute Option Issuer described in the first sentence of this
subsection (c), or shall be scheduled to occur at any time before the expiration
of a period ending on the thirtieth day after such date, the Substitute Option
Holder shall nevertheless have the right to exercise the Substitute Option until
the expiration of such 30-day period.
 
     10. The 30-day, 6-month, 12-month, 18-month or 24-month periods for
exercise of certain rights under Sections 2, 6, 7, 9, 12 and 14 shall be
extended: (i) to the extent necessary to obtain all regulatory approvals for the
exercise of such rights (for so long as the Holder, Owner, Substitute Option
Holder or Substitute Share Owner, as the case may be, is using commercially
reasonable efforts to obtain such regulatory approvals), and for the expiration
of all statutory waiting periods; and (ii) to the extent necessary to avoid
liability under Section 16(b) of the 1934 Act by reason of such exercise.

     11. Issuer hereby represents and warrants to Grantee as follows:
 
     (a) Issuer has full corporate power and authority to execute and deliver
this Agreement and to consummate the transactions contemplated hereby. The
execution and delivery of this Agreement and the consummation of the
transactions contemplated hereby have been duly and validly authorized by the
Issuer Board prior to the date hereof and no other corporate proceedings on the
part of Issuer are necessary to authorize this Agreement or to consummate the
transactions so contemplated. This Agreement has been duly and validly executed
and delivered by Issuer.
 
     (b) Issuer has taken all necessary corporate action to authorize and
reserve and to permit it to issue, and at all times from the date hereof through
the termination of this Agreement in accordance with its terms will have
reserved for issuance upon the exercise of the Option, that number of shares of
Common Stock equal to the maximum number of shares of Common Stock at any time
and from time to time issuable hereunder, and all such shares, upon issuance
pursuant thereto, will be duly authorized, validly issued, fully paid,
nonassessable, and will be delivered free and clear of all claims, liens,
encumbrance and security interests and not subject to any preemptive rights.
 
     12. Neither of the parties hereto may assign any of its rights or
obligations under this Agreement or the Option created hereunder to any other
person, without the express written consent of the other party, except that in
the event a Subsequent Triggering Event shall have occurred prior to an Exercise
Termination Event, Grantee, subject to the express provisions hereof, may assign
in whole or in part its rights and obligations hereunder; PROVIDED, HOWEVER,
that until the date 15 days following the date on which the Federal Reserve
Board has approved an application by Grantee to acquire the shares of Common
Stock subject to the Option, Grantee may not assign its rights under the Option
except in (i) a widely dispersed public distribution, (ii) a private placement
in which no one party acquires the right to purchase in excess of 2% of the
voting shares of Issuer, (iii) an assignment to a single party (E.G., a broker
or investment banker) for the purpose of conducting a widely dispersed public
distribution on Grantee's behalf or (iv) any other manner approved by the
Federal Reserve Board.
 
                                      B-8
 
<PAGE>
     13. Each of Grantee and Issuer will use its reasonable best efforts to make
all filings with, and to obtain consents of, all third parties and governmental
authorities necessary to the consummation of the transactions contemplated by
this Agreement, including, without limitation, applying to the Federal Reserve
Board under the BHCA for approval to acquire the shares issuable hereunder, but
Grantee shall not be obligated to apply to state banking authorities for
approval to acquire the shares of Common Stock issuable hereunder until such
time, if ever, as it deems appropriate to do so.
 
     14. (a) Grantee may, at any time following a Repurchase Event and prior to
the occurrence of an Exercise Termination Event (or such later period as
provided in Section 10), relinquish the Option (together with any Option Shares
issued to and then owned by Grantee) to Issuer in exchange for a cash fee equal
to the Surrender Price; PROVIDED, HOWEVER, that Grantee may not exercise its
rights pursuant to this Section 14 if Issuer has repurchased the Option (or any
portion thereof) or any Option Shares pursuant to Section 7. The "Surrender
Price" shall be equal to $9.0 million (i) plus, if applicable, Grantee's
purchase price with respect to any Option Shares and (ii) minus, if applicable,
the excess of (B) the net cash amounts, if any, received by Grantee pursuant to
the arms' length sale of Option Shares (or any other securities into which such
Option Shares were converted or exchanged) to any unaffiliated party, over (B)
Grantee's purchase price of such Option Shares.
 
     (b) Grantee may exercise its right to relinquish the Option and any Option
Shares pursuant to this Section 14 by surrendering to Issuer, at its principal
office, a copy of this Agreement together with certificates for Option Shares,
if any, accompanied by a written notice stating (i) that Grantee elects to
relinquish the Option and Option Shares, if any, in accordance with the
provisions of this Section 14 and (ii) the Surrender Price. The Surrender Price
shall be payable in immediately available funds on or before the second business
day following receipt of such notice by Issuer.
 
     (c) To the extent that Issuer is prohibited under applicable law or
regulation, or as a consequence of administrative policy, from paying the
Surrender Price to Grantee in full, Issuer shall immediately so notify Grantee
and thereafter deliver or cause to be delivered, from time to time, to Grantee,
the portion of the Surrender Price that it is no longer prohibited from paying,
within five business days after the date on which Issuer is no longer so
prohibited; PROVIDED, HOWEVER, that if Issuer at any time after delivery of a
notice of surrender pursuant to paragraph (b) of this Section 14 is prohibited
under applicable law or regulation, or as a consequence of administrative
policy, from paying to Grantee the Surrender Price in full, (i) Issuer shall (A)
use its reasonable best efforts to obtain all required regulatory and legal
approvals and to file any required notices as promptly as practicable in order
to make such payments, (B) within five days of the submission or receipt of any
documents relating to any such regulatory and legal approvals, provide Grantee
with copies of the same, and (c) keep Grantee advised of both the status of any
such request for regulatory and legal approvals, as well as any discussions with
any relevant regulatory or other third party reasonably related to the same and
(ii) Grantee may revoke such notice of surrender by delivery of a notice of
revocation to Issuer and, upon delivery of such notice of revocation, the
Exercise Termination Date shall be extended to a date six months from the date
on which the Exercise Termination Date would have occurred if not for the
provisions of this Section 14(c) (during which period Grantee may exercise any
of its rights hereunder, including any and all rights pursuant to this Section
14).
 
     15. The parties hereto acknowledge that damages would be an inadequate
remedy for a breach of this Agreement by either party hereto and that the
obligations of the parties hereto shall be enforceable by either party hereto
through injunctive or other equitable relief. In connection therewith both
parties waive the posting of any bond or similar requirement.
 
     16. If any term, provision, covenant or restriction contained in this
Agreement is held by a court or a federal or state regulatory agency of
competent jurisdiction to be invalid, void or unenforceable, the remainder of
the terms, provisions and covenants and restrictions contained in this Agreement
shall remain in full force and effect, and shall in no way be affected, impaired
or invalidated. If for any reason such court or regulatory agency determines
that the Holder is not permitted to acquire, or Issuer is not permitted to
repurchase pursuant to Section 7, the full number of shares of Common Stock
provided in Section l(a) hereof (as adjusted pursuant to Section l(b) or Section
5 hereof), it is the express intention of Issuer to allow the Holder to acquire
or to require Issuer to repurchase such lesser number of shares as may be
permissible, without any amendment or modification hereof.
 
     17. All notices, requests, claims, demands and other communications
hereunder shall be deemed to have been duly given when delivered in person, by
fax, telecopy, or by registered or certified mail (postage prepaid, return
receipt requested) at the respective addresses of the parties set forth in the
Merger Agreement.

     18. This Agreement shall be governed by and construed in accordance with
the laws of the State of West Virginia, without regard to the conflict of law
principles thereof (except to the extent that mandatory provisions of Federal
law or of the VSCA are applicable).
 
                                      B-9
 
<PAGE>
     19. This Agreement may be executed in two or more counterparts, each of
which shall be deemed to be an original, but all of which shall constitute one
and the same agreement.
 
     20. Except as otherwise expressly provided herein, each of the parties
hereto shall bear and pay all costs and expenses incurred by it or on its behalf
in connection with the transactions contemplated hereunder, including fees and
expenses of its own financial consultants, investment bankers, accountants and
counsel.
 
     21. Except as otherwise expressly provided herein or in the Merger
Agreement, this Agreement contains the entire agreement between the parties with
respect to the transactions contemplated hereunder and supersedes all prior
arrangements or understandings with respect thereof, written or oral. The terms
and conditions of this Agreement shall inure to the benefit of and be binding
upon the parties hereto and their respective successors and permitted assignees.
Nothing in this Agreement, expressed or implied, is intended to confer upon any
party, other than the parties hereto, and their respective successors except as
assignees, any rights, remedies, obligations or liabilities under or by reason
of this Agreement, except as expressly provided herein.
 
     22. Capitalized terms used in this Agreement and not defined herein shall
have the meanings assigned thereto in the Merger Agreement.

     IN WITNESS WHEREOF, each of the parties has caused this Agreement to be
executed on its behalf by its officers thereunto duly authorized, all as of the
date first above written.

                                         GEORGE MASON BANKSHARES, INC.

                                         By: /s/ BERNARD H. CLINEBURG
                                           _____________________________________
                                           Name: Bernard H. Clineburg
                                           Title: President and Chief Executive
                                         Officer

                                         By: /s/ KEVIN F. DECOSTE
                                           _____________________________________
                                           Name: Kevin F. DeCoste
                                           Title: Secretary

                                         UNITED BANKSHARES, INC.

                                         By: /s/ RICHARD M. ADAMS
                                           _____________________________________
                                           Name: Richard M. Adams
                                           Title: Chairman of the Board and
                                         Chief Executive Officer

                                      B-10




                                 Exhibit 99(a)




<PAGE>




                       Consolidated Financial Statements

                         George Mason Bankshares, Inc.

                         PERIOD ENDED DECEMBER 31, 1997
                      WITH REPORT OF INDEPENDENT AUDITORS


<PAGE>





                         George Mason Bankshares, Inc.

                       Consolidated Financial Statements

                         Period ended December 31, 1997

                                    CONTENTS


Report of Independent Auditors ...............................................35

Audited Financial Statements

Consolidated Balance Sheets...................................................36
Consolidated Statements of Income.............................................37
Consolidated Statements of Shareholders' Equity...............................38
Consolidated Statements of Cash Flows.........................................39
Notes to Consolidated Financial Statements.................................40-70


34


<PAGE>





                         Report of Independent Auditors


Board of Directors
George Mason Bankshares, Inc.

We have audited the accompanying consolidated balance sheets of George Mason
Bankshares, Inc. as of December 31, 1997 and 1996, and the related consolidated
statements of income, shareholders' equity, and cash flows for each of the three
years in the period ended December 31, 1997. These financial statements are the
responsibility of the Corporation's management. Our responsibility is to express
an opinion on these financial statements based on our audits. We did not audit
the financial statements of The Palmer National Bancorp, Inc., which statements
reflect net interest income constituting 16% of the related consolidated net
interest income for the year ended December 31, 1995. Those statements were
audited by other auditors whose report has been furnished to us, and our
opinion, insofar as it relates to data included for The Palmer National Bancorp,
Inc., is based solely on the report of other auditors.

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 and the report of other auditors provide a reasonable
basis for our opinion.

In our opinion, based on our audits and the report of other auditors, the
financial statements referred to above present fairly, in all material respects,
the consolidated financial position of George Mason Bankshares, Inc. at December
31, 1997 and 1996, and the consolidated results of its operations and its cash
flows for each of the three years in the period ended December 31, 1997, in
conformity with generally accepted accounting principles.

                                                           /s/ Ernst & Young
                                                           _________________

Washington, D.C.
January 22, 1998

                                                                              35


<PAGE>



                         George Mason Bankshares, Inc.

                          Consolidated Balance Sheets

<TABLE>
<CAPTION>
                                                                                     December 31
                                                                                  1997         1996
                                                                             -------------------------
                                                                      (In thousands, except per share data)
<S><C>
Assets
Cash and due from banks                                                       $   35,640    $  41,158
Federal funds sold                                                                55,052       23,800
                                                                             -------------------------
Total cash and cash equivalents                                                   90,692       64,958

Securities available-for-sale                                                    321,652      280,859
Securities held-to-maturity                                                       52,017       64,574
Mortgage loans held for resale                                                    90,611       72,983

Loans, net of deferred loan fees and unearned discount                           456,308      373,613
Less: Allowance for loan losses                                                   (5,669)      (5,659)
                                                                             -------------------------
Loans, net                                                                       450,639      367,954

Bank premises and equipment, net                                                   9,351       10,019
Accrued income receivable                                                          4,939        4,480
Prepaid expenses and other assets                                                  4,422        4,186
Deferred income taxes                                                              2,246        2,059
Other real estate                                                                      0          398
                                                                             -------------------------
Total assets                                                                  $1,026,569     $872,470
                                                                             =========================

Liabilities and shareholders' equity
Liabilities
Deposits:
     Demand                                                                   $  176,803     $132,415
     Interest checking                                                            61,441       49,002
     Savings                                                                     182,762      162,414
     Time                                                                        398,296      349,763
                                                                             -------------------------
Total deposits                                                                   819,302      693,594
Securities sold under agreements to repurchase
     and other borrowed funds                                                    122,809      105,898
Accrued expenses and other liabilities                                             7,694        7,979
Dividends payable                                                                    728          655
                                                                             -------------------------
Total liabilities                                                                950,533      808,126

Shareholders' equity
Preferred stock, par value $.01; authorized 1,000
     shares; no shares issued or outstanding                                           0            0
Common stock, par value $1.11; authorized 9,000 shares; issued and
     outstanding 5,261 shares in 1997 and 5,028 shares in 1996                     5,840        5,581
Surplus                                                                           43,163       38,472
Retained earnings                                                                 26,308       21,094
Unrealized holding gain (loss) on securities available-for-sale, net of tax          725         (803)
                                                                             -------------------------
Total shareholders' equity                                                        76,036       64,344
                                                                             -------------------------
Total liabilities and shareholders' equity                                    $1,026,569     $872,470
                                                                             =========================
</TABLE>
See notes to consolidated financial statements.

36


<PAGE>


                                      George Mason Bankshares, Inc.

                                    Consolidated Statements of Income

<TABLE>
<CAPTION>
                                                                                   Year Ended December 31
                                                                            1997            1996            1995
                                                                         ------------------------------------------
                                                                          (In thousands, except per share data)
<S><C>
Interest income
Interest and fees on loans                                                $40,143          $33,594         $27,676
Interest on federal funds sold and repurchase agreements                      840              863           1,006
Interest on securities:
     Taxable                                                               22,380           18,120          14,384
     Tax-exempt                                                             1,143            1,150           1,053
                                                                         ------------------------------------------
Total interest income                                                      64,506           53,727          44,119

Interest expense
Interest on deposits                                                       28,282           22,496          17,870
Interest on securities sold under agreements to
     repurchase and other borrowed funds                                    4,279            3,768           2,079
                                                                         ------------------------------------------
Total interest expense                                                     32,561           26,264          19,949
                                                                         ------------------------------------------
     Net interest income                                                   31,945           27,463          24,170
Provision for loan losses                                                      20              181              18
                                                                         ------------------------------------------
     Net interest income after provision
       for loan losses                                                     31,925           27,282          24,152
Other income
     Service charges                                                        3,911            2,927           2,124
     Gain on sales of trading securities                                        0               66             180
     Gain on sales of securities available-for-sale                            42              560             653
     Gain on sales of mortgage loans held for resale                       11,404            9,836           6,366
     Other                                                                  1,287            1,463           1,036
                                                                         ------------------------------------------
Total other income                                                         16,644           14,852          10,359

Other expenses
     Salaries and employee benefits                                        21,012           18,550          14,353
     Occupancy                                                              3,476            3,064           2,436
     Equipment                                                              2,429            2,180           1,817
     Other operating expenses                                               9,891            8,385           7,518
                                                                         ------------------------------------------
Total other expenses                                                       36,808           32,179          26,124
                                                                         ------------------------------------------
Income before income taxes                                                 11,761            9,955           8,387
Income taxes                                                                3,681            3,072           2,095
                                                                         ------------------------------------------
Net income                                                               $  8,080         $  6,883        $  6,292
                                                                         ==========================================

Basic earnings per share                                                 $   1.58         $   1.38        $   1.30
                                                                         ==========================================

Diluted earnings per share                                               $   1.54         $   1.35        $   1.28
                                                                         ==========================================

Cash dividends declared per share                                        $   0.56         $   0.46        $   0.38
                                                                         ==========================================
</TABLE>
See notes to consolidated financial statements.


                                                                              37


<PAGE>


                         George Mason Bankshares, Inc.

                Consolidated Statements of Shareholders' Equity

<TABLE>
<CAPTION>
                                        Common                                             Treasury    Unrealized
                                         Stock                                            Stock and    Gain (Loss)
                                        Shares        Common                 Retained      Unearned        on
                                      Outstanding      Stock      Surplus    Earnings        ESOP      Securities      Total
                                     -----------------------------------------------------------------------------------------
                                                                          (In thousands)
<S><C>
Balance, December 31, 1994                4,594       $5,099      $34,072    $11,616         $(102)      $(3,909)     $46,776

Net income                                                                     6,292                                    6,292
Common stock issuance                       161          179        1,451                                               1,630
Purchase of treasury stock                                                                     (21)                       (21)
ESOP shares earned                                                                              81                         81
Cash dividends                                                                (1,492)                                  (1,492)
Change in unrealized holding gain
(loss) on available-for-sale securities                                                                    4,661        4,661
                                     -----------------------------------------------------------------------------------------
Balance, December 31, 1995                4,755        5,278       35,523     16,416           (42)          752       57,927

Net income                                                                     6,883                                    6,883
Common stock issuance                       276          306        2,988                                               3,294
Retirement of treasury stock                 (3)          (3)         (39)                      42
Cash dividends                                                                (2,205)                                  (2,205)
Change in unrealized holding gain
(loss) on available-for-sale securities                                                                   (1,555)      (1,555)
                                     -----------------------------------------------------------------------------------------
Balance, December 31, 1996                5,028        5,581       38,472     21,094             0          (803)      64,344

Net income                                                                     8,080                                    8,080
Common stock issuance                       233          259        4,691                                               4,950
Cash dividends                                                                (2,866)                                  (2,866)
Change in unrealized holding gain
(loss) on available-for-sale securities                                                                    1,528        1,528
                                     -----------------------------------------------------------------------------------------
Balance, December 31, 1997                5,261       $5,840      $43,163    $26,308         $   0       $   725      $76,036
                                     =========================================================================================
</TABLE>

See notes to consolidated financial statements.

38


<PAGE>


                         George Mason Bankshares, Inc.

                     Consolidated Statements of Cash Flows
<TABLE>
<CAPTION>
                                                                                     Year Ended December 31
                                                                              1997           1996            1995
                                                                          ------------- --------------- --------------

                                                                                        (IN THOUSANDS)
<S><C>
OPERATING ACTIVITIES
Net income                                                                 $     8,080    $     6,883    $     6,292
Adjustments to reconcile net income to net cash
used in operating activities:
Net amortization (accretion) on securities                                         688            (62)           (81)
Depreciation and amortization                                                    2,159          1,610          1,132
Provision for loan losses                                                           20            181             18
Gain on sales of securities available-for-sale                                     (42)          (560)          (653)
Provision for deferred income taxes                                               (939)          (130)          (420)
Change in assets and liabilities:
Decrease (increase) in trading securities                                                       5,693           (394)
Increase in mortgage loans held for resale                                     (17,628)       (17,501)       (36,976)
Increase in accrued income receivable, prepaid expenses and other assets          (297)        (1,758)          (896)
Increase in other liabilities                                                    1,323          1,919          3,226
                                                                           --------------------------------------------
Net cash used in operating activities                                           (6,636)        (3,725)       (28,752)

INVESTING ACTIVITIES
Proceeds from sales and maturities of available-for-sale securities            103,039        153,061        106,293
Proceeds from maturities of held-to-maturity securities                         12,462          6,949         18,549
Purchase of available-for-sale securities                                     (141,386)      (247,738)      (145,446)
Purchase of held-to-maturity securities                                           (917)        (2,831)       (10,376)
Net increase in loans                                                          (82,695)       (74,236)       (53,474)
Purchase of property and equipment                                              (1,301)        (1,788)        (3,460)

                                                                           --------------------------------------------
Net cash used in investing activities                                         (110,798)      (166,583)       (87,914)


Financing activities
Net increase in deposits                                                       125,708        139,130         93,662
Net increase in borrowed funds                                                  16,911         45,151         20,618
Repayment of ESOP debt                                                                                           (81)
Net proceeds from sales of common stock                                          3,342          3,294          1,630
Purchase of treasury stock                                                                                       (21)
ESOP shares earned                                                                                                81
Dividends paid                                                                  (2,793)        (1,948)         (1,413)

                                                                           -------------------------------------------
Net cash provided by financing activities                                      143,168        185,627         114,476
                                                                           -------------------------------------------
Net increase (decrease) in cash and cash equivalents                            25,734         15,319          (2,190)
Cash and cash equivalents at beginning of year                                  64,958         49,639          51,829
                                                                           ------------------------------------------
Cash and cash equivalents at end of year                                    $   90,692     $   64,958     $    49,639
                                                                           ============= ============== =============


SUPPLEMENTAL CASH FLOW DISCLOSURES
Interest paid                                                               $   32,467     $   25,625     $   19,134
                                                                           ============= ============== =============

Income taxes paid                                                          $     3,576    $     3,229    $     2,210
                                                                           ============= ============== =============

</TABLE>

See Notes to Consolidated Financial Statements.



                                                                              39


<PAGE>



                         George Mason Bankshares, Inc.

                   Notes to Consolidated Financial Statements

                               December 31, 1997

1. SIGNIFICANT ACCOUNTING POLICIES

ORGANIZATION

George Mason Bankshares, Inc. (the Corporation) is a bank holding company
headquartered in Fairfax, Virginia. The Corporation owns all of the outstanding
stock of its subsidiaries, George Mason Bank and Mason Holding Corporation
(referred to collectively hereafter as "the Bank"). The Bank operates banking
sites throughout Northern Virginia, Washington, D.C., and Maryland.

CONSOLIDATION POLICY

The consolidated financial statements include the accounts of the Corporation,
the Bank, and the Bank's subsidiaries, George Mason Mortgage Corporation and
Mason Advertising, Inc. Significant intercompany accounts and transactions have
been eliminated in consolidation.

PRESENTATION OF CASH FLOWS

For purposes of reporting cash flows, cash and cash equivalents include cash on
hand, amounts due from banks, certificates of deposit held for investment with
an original maturity date of three months or less, and federal funds sold.
Generally, federal funds are purchased and sold for one-day periods. Cash flows
from loans not held for resale, demand, interest checking, savings and time
deposits are reported net. Cash flows from loans held for resale are shown net,
as an operating cash flow.

SECURITIES

Management determines the appropriate classification of debt securities at the
time of purchase and reevaluates such designation as of each balance sheet date.
Debt securities are classified as held-to-maturity when the Corporation has the
positive intent and ability to hold the securities to maturity. Held-to-maturity
securities are stated at amortized cost.

Debt securities not classified as held-to-maturity and marketable equity
securities are classified as available-for-sale or trading. Available-for-sale
securities are stated at fair value, with unrealized gains and losses, net of
tax, reported as a separate component of shareholders' equity.

40


<PAGE>


                         George Mason Bankshares, Inc.

             Notes to Consolidated Financial Statements (continued)

1. SIGNIFICANT ACCOUNTING POLICIES (CONTINUED)

SECURITIES (CONTINUED)

Trading securities are held for resale in anticipation of short-term market
movements. Trading securities, consisting of debt securities, are stated at fair
value. Gains and losses, both realized and unrealized, are included in earnings.

The amortized cost of debt securities classified as held-to-maturity or
available-for-sale is adjusted for amortization of premiums and accretion of
discounts to maturity, or in the case of mortgage-backed securities, over the
estimated life of the security using methods which approximate level yields.
Such amortization or accretion is included in interest on securities. Interest
and dividends are included in interest on securities. Realized gains and losses
are included in gain on sales of securities available-for-sale. The cost of
securities sold is based on the specific identification method.

MORTGAGE LOANS HELD FOR RESALE

Mortgage loans held for resale to investors are carried at the lower of cost or
market as determined by investors' commitment prices. Loan origination and
commitment fees and certain direct loan origination costs are deferred until the
time of sale.

LOANS

Unearned interest on discounted loans is amortized to income over the life of
the loans. For all other loans, interest is accrued daily on the outstanding
balances. Interest is not accrued on loans if the collection of such interest is
doubtful.

Loan fees are amortized over the life of the loans, using methods which
approximate level yields. The Corporation is generally amortizing these amounts
over the contractual life.

ALLOWANCE FOR LOAN LOSSES

The allowance for loan losses represents management's judgment as to the amount
necessary to adequately provide for the risk of future losses in the loan
portfolio. While it is the Corporation's policy to write off in the current
period those loans or portions of loans on which a loss is considered probable,
there continues to exist the risk of future losses which cannot be quantified
precisely or attributed to specific loans. In assessing the adequacy of the
allowance for loan losses, management relies on its ongoing review of the loan
portfolio, general economic conditions and trends, financial conditions of
specific borrowers, past loan loss experience, and net charge-offs during the
year. This review takes into consideration the judgments not only of the
responsible lending officers and senior management, but in addition, bank
regulatory agencies that review the loan portfolio as a part of the regular bank
examination process.

                                                                              41


<PAGE>


                         George Mason Bankshares, Inc.

             Notes to Consolidated Financial Statements (continued)

1. SIGNIFICANT ACCOUNTING POLICIES (CONTINUED)

BANK PREMISES AND EQUIPMENT

Bank premises and equipment are stated at cost less accumulated depreciation.
Depreciation of property and equipment is computed principally by the
straight-line method over the estimated useful lives. The estimated useful lives
of buildings and improvements on leased property are between eight and 50 years,
and the estimated useful lives of furniture and equipment are between three and
30 years.

Improvements to leased property are amortized over the lesser of the life of the
lease or life of the improvements. Maintenance and repairs of property and
equipment are charged to operations and major improvements are capitalized. Upon
retirement, sale or other disposition of property and equipment, the cost and
accumulated depreciation are eliminated from the accounts and gain or loss is
included in operations.

OTHER REAL ESTATE

Other real estate acquired through, or in lieu of, loan foreclosure are to be
sold and are initially recorded at fair value at the date of foreclosure,
establishing a new cost basis. After foreclosure, valuations are periodically
performed by management, and the real estate is carried at the lower of carrying
amount or fair value less cost to sell.

INCOME TAXES

The Corporation uses the liability method of accounting for income taxes.
Deferred tax assets and liabilities are determined based on differences between
the financial statement carrying amounts and the tax basis of existing assets
and liabilities (i.e., temporary differences) and are measured at the enacted
rates that will be in effect when these differences reverse.

NEW ACCOUNTING PRONOUNCEMENTS

In February 1997, Statement of Financial Accounting Standards No. 128, "Earnings
per Share" (SFAS 128), was issued. SFAS 128 establishes standards for computing
and presenting earnings per share (EPS) and applies to entities with publicly
held common stock or potential common stock. SFAS 128 simplifies the standards
for computing earnings per share previously found in APB Opinion No. 15,
"Earnings per Share," and makes them comparable to international EPS standards.
The Corporation adopted SFAS 128 on December 31, 1997 and all prior-period EPS
data presented have been restated.

In June 1996, Statement of Financial Accounting Standards No. 125, "Accounting
for the Transfers and Servicing of Financial Assets and Extinguishments of
Liabilities" (SFAS 125), was issued. SFAS 125 clarifies and provides consistent
guidance for distinguishing transfers of financial assets that are sales from
transfers that are borrowings. The standard is based on a financial components
approach that focuses on control. Under that approach, after a transfer of
financial assets, an entity recognizes the financial and servicing assets it
controls and liabilities it has incurred, and derecognizes liabilities when
extinguished. SFAS 125 is effective for specified transactions occurring after
December 31, 1996. In October 1996, Statement of Financial Accounting Standards
No. 127, "Deferral of the Effective Date of Certain Provisions of FASB No. 125"
(SFAS 127), was issued. SFAS 127 defers until after

42


<PAGE>


                         George Mason Bankshares, Inc.

             Notes to Consolidated Financial Statements (continued)

1. SIGNIFICANT ACCOUNTING POLICIES (CONTINUED)

NEW ACCOUNTING PRONOUNCEMENTS (CONTINUED)

December 31, 1997, the effective date of paragraphs 9-12 of SFAS 125 for
repurchase agreement, securities lending, dollar roll and similar transactions
and the effective date of paragraph 15 for all transactions. Earlier or
retroactive application is not permitted. Adoption of SFAS 125 did not, and is
not expected to, have a material impact on the Corporation.

In October 1995, Statement of Financial Accounting Standards No. 123,
"Accounting for Stock-Based Compensation" (SFAS 123), was issued. SFAS 123
requires entities that have followed Accounting Principles Board Opinion No. 25,
"Accounting for Stock Issued to Employees" (APB 25) and related Interpretations
to either adopt a fair value method of accounting for stock-based compensation
(as described by SFAS 123) or continue to follow APB 25 and provide additional
pro forma disclosures in the footnotes to the financial statements.

The Corporation has elected to follow APB 25 and related Interpretations in
accounting for its employee stock options because, as discussed in Note 14, the
alternative fair value accounting provided for under SFAS 123, requires the use
of option valuation models that were not developed for use in valuing employee
stock options. Under APB 25, because the exercise price of the Corporation's
employee stock options approximates the market price of the underlying stock on
the date of grant, no compensation expense is recognized.

USE OF ESTIMATES

The preparation of the financial statements in conformity with generally
accepted accounting principles requires management to make estimates and
assumptions that affect the amounts reported in the financial statements and
accompanying notes. Actual results could differ from those estimates.

RECLASSIFICATIONS

Certain reclassifications were made to the prior year financial statements to
conform to current-year presentation.

2. RESTRICTIONS ON CASH BALANCES

The Corporation is required by the Board of Governors of the Federal Reserve
System and by state banking laws to maintain certain minimum cash balances
consisting of vault cash and deposits in the Federal Reserve Bank or in other
commercial banks. Such restricted balances totaled $11,563,000 as of December
31, 1997.

                                                                              43

<PAGE>


                         George Mason Bankshares, Inc.

             Notes to Consolidated Financial Statements (continued)

3. SECURITIES

The amortized cost, market value, gross unrealized gains and losses, and fair
value of the securities portfolio were as follows:

SECURITIES AVAILABLE-FOR-SALE

<TABLE>
<CAPTION>
                                                                    GROSS             Gross
                                                AMORTIZED        Unrealized        Unrealized           Fair
                                                  COST              Gains            Losses            Value
                                            ---------------------------------------------------------------------
                                                                      (IN THOUSANDS)
<S><C>
December 31, 1997:
U.S. Treasury                                   $  10,010         $     19           $    (7)         $  10,022

U.S. government agencies
     and corporations                              26,275               76               (26)            26,325
States and political subdivisions                   4,093              106                                4,199
Mortgage-backed securities                        276,497            1,572              (373)           277,696
Other securities                                    3,410                                                 3,410
                                            --------------------------------------------------------------------
Total                                            $320,285           $1,773             $(406)          $321,652
                                            ====================================================================
December 31, 1996:
U.S. Treasury                                   $  10,010            $  12          $    (11)         $  10,011
U.S. government agencies
     and corporations                              24,247               54               (49)            24,252
States and political subdivisions                   1,316               14                (6)             1,324
Mortgage-backed securities                        243,274              646            (1,420)           242,500
Other securities                                    2,772                                                 2,772
                                            --------------------------------------------------------------------
Total                                            $281,619             $726           $(1,486)          $280,859
                                            ====================================================================
December 31, 1995:
U.S. Treasury                                   $  34,022          $   275            $  (16)          $ 34,281
U.S. government agencies
     and corporations                              15,172              133                (7)            15,298
States and political subdivisions                   8,161              358                (7)             8,512
Mortgage-backed securities                        125,526            1,173              (106)           126,593
Other securities                                    2,811               90                (4)             2,897
                                            --------------------------------------------------------------------
Total                                            $185,692           $2,029             $(140)          $187,581
                                            ====================================================================

</TABLE>

44


<PAGE>


                         George Mason Bankshares, Inc.

             Notes to Consolidated Financial Statements (continued)

3. SECURITIES (CONTINUED)

SECURITIES HELD-TO-MATURITY

<TABLE>
<CAPTION>
                                                                    GROSS             Gross
                                                AMORTIZED        Unrealized        Unrealized           Fair
                                                  COST              Gains            Losses            Value
                                               ----------------------------------------------------------------
                                                                      (IN THOUSANDS)
<S><C>
December 31, 1997:
U.S. government agencies                            $   483            $   19                           $   502
     and corporations
States and political subdivisions                    18,530               808             $(13)          19,325
Mortgage-backed securities                           33,004               375              (62)          33,317
                                               ----------------------------------------------------------------
Total                                               $52,017            $1,202             $(75)         $53,144
                                               ================================================================
December 31, 1996:
U.S. government agencies
     and corporations                               $ 4,671            $   56                           $ 4,727
States and political subdivisions                    18,818               448            $ (68)          19,198
Mortgage-backed securities                           41,085               523             (176)          41,432
                                               ----------------------------------------------------------------
Total                                               $64,574            $1,027            $(244)         $65,357
                                               ================================================================
December 31, 1995:
U.S. government agencies
     and corporations                               $ 8,471            $  152                           $ 8,623
States and political subdivisions                    15,027               533            $ (27)          15,533
Mortgage-backed securities                           45,162               903             (123)          45,942
                                               ----------------------------------------------------------------
Total                                               $68,660            $1,588            $(150)         $70,098
                                               ================================================================
</TABLE>


                                                                              45

<PAGE>


                         George Mason Bankshares, Inc.

             Notes to Consolidated Financial Statements (continued)

3. SECURITIES (CONTINUED)

The amortized cost and estimated fair value of securities at December 31, 1997,
by contractual maturity, are shown below. Expected maturities will differ from
contractual maturities because borrowers may have the right to call or prepay
obligations with or without call or prepayment penalties:

<TABLE>
<CAPTION>
SECURITIES AVAILABLE-FOR-SALE                                               AMORTIZED         Estimated
                                                                              COST            Fair Value
                                                                          -------------------------------
                                                                                        (IN THOUSANDS)
<S><C>
Due in one year or less                                                        $  4,742          $  4,742
Due after one year through five years                                            12,799            12,826
Due after five years through ten years                                           17,828            17,883
Due after ten years                                                               5,009             5,095
Mortgage-backed securities                                                      276,497           277,696
Equity securities                                                                 3,410             3,410
                                                                          -------------------------------
Total                                                                          $320,285          $321,652
                                                                          ===============================

Securities Held-to-Maturity                                                 AMORTIZED         Estimated
                                                                              COST            Fair Value
                                                                          -------------------------------
                                                                                  (IN THOUSANDS)

Due in one year or less
Due after one year through five years                                          $  3,758          $  3,906
Due after five years through ten years                                           10,023            10,474
Due after ten years                                                               5,232             5,447
Mortgage-backed securities                                                       33,004            33,317
                                                                          -------------------------------
Total                                                                           $52,017           $53,144
                                                                          ===============================

</TABLE>

Gross gains of $71,000 and gross losses of $29,000 were realized in 1997. Gross
gains of $728,000 and gross losses of $168,000 were realized in 1996. Gross
gains of $773,000 and gross losses of $120,000 were realized in 1995.

On December 31, 1995 (pursuant to the transition provisions of the Financial
Accounting Standards Board staff's Special Report on SFAS 115), the Corporation
transferred securities with amortized cost of $15,695,000 from the
held-to-maturity category to the available-for- sale category. The unrealized
gains associated with securities transferred were $357,000.

46


<PAGE>

                         George Mason Bankshares, Inc.

             Notes to Consolidated Financial Statements (continued)

4. LOANS

The composition of loans was as follows:

                                                              DECEMBER 31
                                                            1997       1996
                                                          -------------------
                                                             (IN THOUSANDS)

Commercial                                                $122,290   $100,986
Real estate - construction                                  46,348     32,203
Real estate - other                                        225,835    201,099
Consumer                                                    62,603     40,083
                                                         --------------------
Total loans                                                457,076    374,371
Less: Deferred loan fees and unearned discounts               (768)      (758)
                                                         --------------------
Loans, net of deferred loan fees and unearned discounts    456,308    373,613
Less: Allowance for loan losses                             (5,669)    (5,659)
                                                         --------------------
LOANS, NET                                                $450,639   $367,954
                                                         ====================

Loans on which interest is not being accrued or for which the terms have been
modified to provide for a reduced rate of interest because of financial
conditions of borrowers were as follows:

                                                       DECEMBER 31
                                                     1997       1996
                                                    -----------------
                                                      (IN THOUSANDS)

Nonaccruing loans                                    $1,046    $1,487
Restructured loans                                                 95
                                                    -----------------
TOTAL                                                $1,046    $1,582
                                                    =================

Allocation of general reserve to nonaccruing loans  $   158   $   223
                                                    =================

The average nonaccruing loan balances and interest income earned with respect to
nonaccruing and restructured loans were as follows:

                                                   YEAR ENDED DECEMBER 31
                                                    1997    1996    1995
                                                   ----------------------
                                                       (IN THOUSANDS)

Average nonaccruing loans                          $1,204  $2,067  $2,342
Income anticipated under original loan agreements     189     194     563
Income recorded                                        80     160     297


                                                                              47

<PAGE>

                         George Mason Bankshares, Inc.

             Notes to Consolidated Financial Statements (continued)


5. ALLOWANCE FOR LOAN LOSSES

Changes in the allowance for loan losses were as follows:

                                        YEAR ENDED DECEMBER 31
                                       1997      1996     1995
                                      --------------------------
                                            (IN THOUSANDS)

Balance, beginning of year            $5,659    $5,529    $5,805
Provision for loan losses                 20       181        18
Amounts charged off                     (259)     (174)     (491)
Recovery of amounts charged off          249       123       197
                                      --------------------------
BALANCE, END OF YEAR                  $5,669    $5,659    $5,529
                                      ==========================

6. BANK PREMISES AND EQUIPMENT

The major classes of bank premises and equipment and accumulated depreciation
and amortization were as follows:

                                                     DECEMBER 31
                                                   1997      1996
                                                 ------------------
                                                   (IN THOUSANDS)

Land                                             $ 1,051    $ 1,240
Building and improvements on leased property       7,059      5,848
Furniture and equipment                            8,862      9,097
                                                 ------------------
Total                                             16,972     16,185
Less accumulated depreciation and amortization    (7,621)    (6,166)
                                                 ------------------
BANK PREMISES AND EQUIPMENT, NET                 $ 9,351    $10,019
                                                 ==================

48

<PAGE>

                         George Mason Bankshares, Inc.

             Notes to Consolidated Financial Statements (continued)


7. DEPOSITS

The Corporation held time deposits in denominations of $100,000 or more totaling
$93,520,000 and $81,877,000 at December 31, 1997 and 1996, respectively.

As of December 31, 1997, the scheduled maturities of certificates of deposit for
the respective years ending December 31 were as follows (IN THOUSANDS):

                        1998                   $313,213
                        1999                     40,782
                        2000                     19,389
                        2001                     15,072
                        2002                      9,840
                                               --------
                       Total                   $398,296
                                               ========

8. INDEBTEDNESS

The Corporation's indebtedness was as follows:

                                                            DECEMBER 31
                                                    1997       1996      1995
                                                  -----------------------------
                                                          (IN THOUSANDS)

Securities sold under agreements to repurchase    $ 74,809   $ 97,469   $53,391
Advances from the FHLB of Atlanta                   23,000      4,000     5,000
Other borrowings                                    25,000      4,429     2,356
                                                  -----------------------------
TOTAL                                             $122,809   $105,898   $60,747
                                                  =============================

Securities sold under agreements to repurchase are entered into principally as
accommodations to customers. As of December 31, 1997 and 1996, the securities
sold under agreements to repurchase had weighted average interest rates of 4.62%
and 4.65%, respectively, and matured overnight.

                                                                              49


<PAGE>


                         George Mason Bankshares, Inc.

             Notes to Consolidated Financial Statements (continued)


8. INDEBTEDNESS (CONTINUED)

Information concerning securities sold under agreements to repurchase is
summarized as follows:

                                                      YEAR ENDED DECEMBER 31
                                                      ---------------------
                                                        1997        1996
                                                      ---------------------
                                                      (DOLLARS IN THOUSANDS)

Average daily balance during the year ended           $ 72,123     $ 59,710
Average interest rate during the year ended               4.62%        4.38%
Maximum month-end balance during the year ended       $ 91,256     $ 97,469

Securities underlying the agreements at December 31:

Carrying value                                        $108,330     $103,298
Estimated fair value                                   108,887      103,375



The Corporation has a line of credit with the Federal Home Loan Bank of Atlanta
(FHLB of Atlanta) totaling $95 million with $23 million drawn against it as of
December 31, 1997. The line of credit expires during the year ending December
31, 2004. Of the $23 million drawn at December 31, 1997, $20 million was a short
term advance that bore interest at 5.89% and was repaid in January 1998, and $3
million bears interest at 6.11% with principal payments of $500,000 due every
six months with the final payment due during the year ending December 31, 2000.
Securities and loans with carrying values of $20,534,000 and $58,257,000,
respectively, at December 31, 1997 were pledged as collateral for the line of
credit with the FHLB of Atlanta.

The Corporation maintains federal funds lines with a number of larger regional
and money-center banking institutions. As of December 31, 1997, the Corporation
had lines of credit available totaling $72,882,000.


50

<PAGE>


                         George Mason Bankshares, Inc.

             Notes to Consolidated Financial Statements (continued)

9. INCOME TAXES

The Corporation's deferred tax assets and liabilities were as follows:

                                                      DECEMBER 31
                                                1997               1996
                                          ----------------- ------------------
                                                    (IN THOUSANDS)

Securities available-for-sale                                  $   415
Allowance for loan losses                     $1,710             1,572
Deferred compensation                            359               303
Other                                            976               364
                                          ----------------- ------------------
Total deferred tax assets                      3,045             2,654

Securities available-for-sale                    374
Depreciation                                     292               451
Other                                            133               144
                                          ----------------- ------------------
Total deferred tax liabilities                   799               595
                                          ----------------- ------------------
NET DEFERRED TAX ASSET                        $2,246            $2,059
                                          ================= ==================

Income taxes were composed of the following:

<TABLE>
<CAPTION>
                                                         YEAR ENDED DECEMBER 31
                                                1997               1996              1995
                                          ----------------- ------------------ -----------------
                                                             (IN THOUSANDS)
<S><C>
Current                                       $4,620              $3,202              $2,515
Deferred                                        (939)               (130)                 (8)
Change in valuation allowance                                                           (412)
                                          ----------------- ------------------ -----------------
PROVISION FOR INCOME TAXES                    $3,681              $3,072              $2,095
                                          ================= ================== =================
</TABLE>

Current income taxes are primarily related to federal income taxes.


                                                                              51

<PAGE>


                         George Mason Bankshares, Inc.

             Notes to Consolidated Financial Statements (continued)

9. INCOME TAXES (CONTINUED)

A reconciliation between the amount of reported income taxes and the amount
computed by multiplying the applicable statutory federal income tax rate was as
follows:

<TABLE>
<CAPTION>
                                                             YEAR ENDED DECEMBER 31
                                                       1997            1996            1995
                                                  --------------- --------------- --------------
                                                                 (IN THOUSANDS)
<S><C>
Federal income taxes at statutory rates                  $3,999        $3,385           $2,852
Adjustments to federal income tax
resulting from:

Tax-exempt income                                          (488)         (391)            (358)
Change in valuation allowance                                                             (412)
Other                                                       170            78               13
                                                  --------------- --------------- --------------
PROVISION FOR INCOME TAXES                               $3,681        $3,072           $2,095
                                                  =============== =============== ==============
</TABLE>


The income taxes applicable to securities transactions for 1997, 1996, and 1995
were $15,000, $190,000, and $283,000, respectively. The Corporation's effective
tax rates were 31.3%, 30.9%, and 25.0%, for the years ended December 31, 1997,
1996, and 1995, respectively.

10. COMMITMENTS AND CONTINGENCIES

The Corporation's original headquarters building was constructed on land leased
for an initial term of twenty-five years ending July 31, 2003. The Corporation
has the option to renew the lease and extend the term for three successive terms
of ten years each. The building and any improvements on the land become the
property of the lessor at the termination of the lease and any renewals thereof,
without any compensation being paid to the Corporation. During the term of the
lease and any renewals thereof, the Corporation must pay all real estate taxes
as additional rent. The rent for the initial twenty-five year term and any
renewal terms is adjusted on each fifth anniversary of the lease by the
percentage increase or decrease in the Consumer Price Index for urban
Washington, D.C. over the preceding five years.

The Corporation has also leased office space for branches and for the offices of
George Mason Mortgage Corporation. These leases have various expiration dates,
and require minimum annual rentals. Many of the leases have one or more renewal
options.


52

<PAGE>


                         George Mason Bankshares, Inc.

             Notes to Consolidated Financial Statements (continued)

10. COMMITMENTS AND CONTINGENCIES (CONTINUED)

As of December 31, 1997, the total minimum future rental commitments under these
leases for the respective years ending December 31 and thereafter were as
follows (IN THOUSANDS):

                               1998                    $2,297
                               1999                     1,497
                               2000                     1,409
                               2001                     1,314
                               2002                     1,041
                         Thereafter                     1,839
                                                  -----------------
                              Total                    $9,397
                                                  =================

The total rental expense for the years ended December 31, 1997, 1996, and 1995
was $2,297,000, $2,044,000, and $1,551,000, respectively.

The Corporation, in the normal course of its business, is the subject of legal
proceedings instituted by customers and others. In the opinion of the
Corporation's management, there were no legal matters pending as of December 31,
1997, which would have a material effect on the financial statements.

11. TRANSACTIONS WITH DIRECTORS AND OFFICERS

The Corporation has banking transactions in the ordinary course of business with
directors, principal officers, and their affiliated companies (commonly referred
to as related parties) on the same terms, including interest rates and
collateral, as those prevailing at the time for comparable transactions with
others. All loans with directors and officers are performing in accordance with
their original terms.

Aggregate loan transactions with related parties were as follows:

                                          YEAR ENDED DECEMBER 31
                                           1997              1996
                                    ------------------ -----------------
                                              (IN THOUSANDS)
Balance, beginning of year               $15,890            $16,015
New loans                                  4,350              5,954
Repayments                                (1,465)            (6,079)
                                    ------------------ -----------------
BALANCE, END OF YEAR                     $18,775            $15,890
                                    ================== =================


                                                                              53

<PAGE>


                         George Mason Bankshares, Inc.

             Notes to Consolidated Financial Statements (continued)

11. TRANSACTIONS WITH DIRECTORS AND OFFICERS (CONTINUED)

These related parties had deposits with the Bank totaling $4,625,000 and
$8,708,000 at December 31, 1997 and 1996, respectively.

12. CAPITAL ACCOUNTS

For each year presented, basic earnings per share were computed by dividing net
income by the weighted average number of shares outstanding during the
respective years. The weighted average number of shares outstanding during the
years ended December 31, 1997, 1996, and 1995 were 5,105,000, 4,980,000, and
4,833,000, respectively.

For each year presented, diluted earnings per share were computed by dividing
net income by the weighted average number of shares outstanding during the
respective years plus the number of common stock equivalents related to stock
options outstanding during the respective years. The number of common stock
equivalents related to outstanding stock options during the years ended December
31, 1997, 1996, and 1995 were 142,000, 108,000, and 71,000, respectively.

During the year ended December 31, 1997, a non-cash increase to the surplus
account of $1,608,000 was recorded to account for a tax benefit received in
connection with the exercise of non-qualified stock options.

On December 14, 1995, the Corporation ratified a three-for-two stock split
effective January 31, 1996 and payable February 9, 1996. This three-for-two
stock split effected an increase in authorized shares to 9,000,000. The effect
of this three-for-two stock split has been reflected in all years presented.

Virginia state banking laws restrict the availability of surplus for the payment
of dividends. At December 31, 1997, $48,947,000 was so restricted for George
Mason Bank.

13. PROFIT-SHARING PLANS

For the year ended December 31, 1995 and the period ended July 31, 1996, the
Corporation had a profit-sharing plan for those employees who met the
eligibility requirements set forth in the plan. The amount of the contribution
to the plan was at the discretion of the Corporation's Board of Directors. The
Corporation contributed $221,000 to the plan for the year ended December 31,
1995.


54

<PAGE>


                         George Mason Bankshares, Inc.

             Notes to Consolidated Financial Statements (continued)

13. PROFIT-SHARING PLANS (CONTINUED)

For the year ended December 31, 1995 and the period ended July 31, 1996, the
Corporation had a 401(k) plan which covered all employees who had completed at
least one full year of continuous service and were at least twenty-one years
old. The participants contributed up to 13% of their annual compensation. The
Corporation matched the employees' contributions to a maximum of 4.5% of annual
compensation. For the year ended December 31, 1995, the Corporation contributed
$191,000.

As of August 1, 1996, the Corporation combined the profit sharing and 401(k)
plans. The combined plan covers all employees who have completed at least 1,000
hours of service. The participants may contribute up to 13% of their annual
compensation. The Corporation contributes 2% of all eligible employees' annual
compensation and matches the employees' contributions to a maximum of 3% of
compensation. The Corporation may contribute additional amounts to the plan at
the discretion of the Board of Directors. For the years ended December 31, 1997
and 1996, the Corporation contributed $875,000 and $595,000 to the combined
plan.

As of September 1, 1996, the Corporation adopted an executive deferred
compensation plan. The plan covers the chief executive officer and certain other
executives of the Corporation. Each participant may defer any or all of his
salary and bonus remaining after such participant has deferred at least 3% of
his salary under the combined profit sharing and 401(k) plan. The Corporation
provides a matching contribution to the plan equal to 50% of the participants'
contribution up to 10% of the participants' annual salary. For the years ended
December 31, 1997 and 1996, the Corporation contributed $32,000 and $7,000,
respectively.

14. STOCK OPTION AND PURCHASE PLANS

The Corporation's various stock option plans provide for the issuance of options
to purchase shares of common stock at an exercise price no less than the market
value on the date of grant. The options generally vest six months after the
grant date and expire ten years after the grant date. The Corporation has
authorized and reserved 36,400 shares of its common stock for future grants
under these plans.

The Corporation's employee stock purchase plan provides for the issuance of
options to purchase shares of common stock at 90% of the market value on the
date of grant. The options vest immediately and expire one year after the grant
date. There were no remaining options outstanding at December 31, 1997 with
exercise prices at 90% of the


                                                                              55

<PAGE>


                         George Mason Bankshares, Inc.

             Notes to Consolidated Financial Statements (continued)

14. STOCK OPTION AND PURCHASE PLANS (CONTINUED)

grant-date market values, and there are no remaining authorized and reserved
shares of its common stock available for future grants under this plan.

The Corporation granted certain directors, in lieu of director fees, rights to
shares of the Corporation's common stock. The director stock options are issued
with no exercise price and are fully vested six months after the grant date.
Compensation expense recognized in connection with options granted in lieu of
directors fees was $63,000, $85,000, and $76,000 for the years ended December
31, 1997, 1996, and 1995, respectively.

Pro forma information regarding net income and earnings per share is required by
SFAS 123, which also requires that the information be determined as if the
Corporation has accounted for its employee stock options granted subsequent to
December 31, 1994 under the fair value method of that Statement. The fair value
for these options was estimated at the date of grant using a Black-Scholes
option pricing model with the following weighted-average assumptions:

<TABLE>
<CAPTION>
                                                                            YEAR ENDED DECEMBER 31
                                                                      1997             1996           1995
                                                                 --------------- ---------------- -------------
<S><C>
Risk-free interest rate                                             5.64%             6.62%           6.62%
Dividend yield                                                      2.50%             2.50%           2.50%
Volatility factor of the expected market price of the
Corporation's common stock                                           .27               .23             .23
Expected life of options (in years)                                 2.00              2.48            2.42
</TABLE>

The Black-Scholes option valuation model was developed for use in estimating the
fair value of traded options which have no vesting restrictions and are fully
transferable. In addition, option valuation models require the input of highly
subjective assumptions including the expected stock price volatility. Because
the Corporation's employee stock options have characteristics significantly
different from those of traded options, and because changes in the subjective
input assumptions can materially affect the fair value estimate, in management's
opinion, the existing models do not necessarily provide a reliable single
measure of the fair value of its employee stock options.

For purposes of pro forma disclosures, the estimated fair value of the options
was amortized to expense over the options' vesting periods. The effects of
applying SFAS 123 for providing pro forma disclosures are not likely to be
representative of the effects

56

<PAGE>


                         George Mason Bankshares, Inc.

             Notes to Consolidated Financial Statements (continued)

14. STOCK OPTION AND PURCHASE PLANS (CONTINUED)

on reported net income for future years. The Corporation's pro forma net income
(IN THOUSANDS) and pro forma basic and diluted earnings per share based on
options issued during 1997, 1996, and 1995 were as follows:

<TABLE>
<CAPTION>
                                                              YEAR ENDED DECEMBER 31
                                                      1997              1996               1995
                                               ------------------ ----------------- ------------------
<S><C>
Pro forma net income                                  $7,763            $6,596            $6,080


Pro forma basic earnings per share                    $ 1.52            $ 1.32            $ 1.26

Pro forma diluted earnings per share                    1.48              1.30              1.24
</TABLE>

A summary of activity for the Corporation's stock options with exercise prices
equal to the grant-date market values for the three years ended December 31 was
as follows:

<TABLE>
<CAPTION>
                                               1997                      1996                      1995
                                     ------------------------- ------------------------- -------------------------
                                       SHARES      Weighted-       Shares      Weighted-      Shares      Weighted-
                                        UNDER       Average        Under        Average       Under        Average
                                       OPTION       Exercise       Option      Exercise       Option      Exercise
                                      (IN 000s)      Price       (In 000s)       Price      (In 000s)       Price
                                     ----------- -------------- ------------ ------------- ------------ -------------
<S><C>
Outstanding at beginning of year          395        $13.06          551          $11.49        590          $10.86
Granted                                   129         21.50           77           18.47         74           13.76
Exercised                                (196)        13.23         (230)          11.08       (112)           9.71
Forfeited                                  (2)        21.50           (3)          13.14         (1)          12.96
                                     -----------                ------------               ------------
OUTSTANDING AT END OF YEAR                326         16.25          395           13.06        551           11.49
                                     ===========                ============               ============

EXERCISABLE AT END OF YEAR                326         16.25          388           12.94        515           11.26
                                     ===========                ============               ============
</TABLE>


<TABLE>
<CAPTION>
                                                                       1997            1996            1995
                                                                 ---------------- --------------- ---------------
<S><C>
Range of exercise prices at end of year                            $9.73-21.75      $9.73-21.13     $9.73-14.92

Weighted-average remaining contractual life at end of year          7.32 YEARS      7.29 years      7.74 years

Weighted-average fair values of options granted in the year           $3.62            $3.64           $2.92
</TABLE>



                                                                              57

<PAGE>


                         George Mason Bankshares, Inc.

             Notes to Consolidated Financial Statements (continued)

14. STOCK OPTION AND PURCHASE PLANS (CONTINUED)

Of the 326,000 outstanding stock options at December 31, 1997, 141,000 had
exercise prices that were between $9.73 and $12.83. The weighted-average
exercise price and weighted-average remaining contractual life of these options
were $11.49 and 5.60 years, respectively. The remaining 185,000 stock options
outstanding as of December 31, 1997 had exercise prices that were between $14.92
and $21.75. The weighted-average exercise price and weighted-average remaining
contractual life of these options were $19.89 and 8.63 years, respectively.

A summary of activity for the Corporation's stock options with exercise prices
at 90% of the grant-date market values for the three years ended December 31 was
as follows:

<TABLE>
<CAPTION>
                                               1997                      1996                      1995
                                     ------------------------- ------------------------- -------------------------
                                       SHARES      Weighted-       Shares      Weighted-      Shares      Weighted-
                                        UNDER       Average        Under        Average       Under        Average
                                       OPTION       Exercise       Option      Exercise       Option      Exercise
                                      (IN 000s)      Price       (In 000s)       Price      (In 000s)       Price
                                     ----------- -------------- ------------ ------------- ------------ -------------
<S><C>
Outstanding at beginning of year          24         $17.66           22         $12.74         24         $11.67
Granted                                    0                          27          17.75         30          12.51
Exercised                                (20)         16.57          (21)         13.23        (25)         11.64
Forfeited                                 (4)         18.14           (4)         14.69         (7)         11.99
                                     -----------                ------------               ------------
OUTSTANDING AT END OF YEAR                 0                          24          17.66         22          12.74
                                     ===========                ============               ============

EXERCISABLE AT END OF YEAR                 0                          24          17.66         22          12.74
                                     ===========                ============               ============
</TABLE>

<TABLE>
<CAPTION>
                                                                                        1996             1995
                                                                                  ---------------- ----------------
<S><C>
Range of exercise prices at end of year                                             $16.65-18.68     $11.85-13.80

Weighted-average remaining contractual life at end of year                           .54 years        .52 years

Weighted-average fair values of options granted in the year                            $3.26            $2.30
</TABLE>



58

<PAGE>


                         George Mason Bankshares, Inc.

             Notes to Consolidated Financial Statements (continued)

14. STOCK OPTION AND PURCHASE PLANS (CONTINUED)

A summary of activity for the Corporation's director stock options for the three
years ended December 31 was as follows (IN THOUSANDS):

<TABLE>
<CAPTION>
                                                               1997              1996              1995
                                                        ------------------ ----------------- -----------------
<S><C>
Outstanding at beginning of year                                 11                8                3
Granted                                                           3                4                5
Exercised                                                                         (1)
                                                        ------------------ ----------------- -----------------
OUTSTANDING AT END OF YEAR                                       14               11                8
                                                        ================== ================= =================

EXERCISABLE AT END OF YEAR                                       14               10                5
                                                        ================== ================= =================
</TABLE>


15. DEFERRED COMPENSATION PLANS

The Corporation has a deferred compensation plan for two former key employees
which provides that benefits are to be paid in monthly installments for a period
of ten years beginning in January 1995. The accrued benefit obligation related
to the plan totaled $595,000 and $655,000 as of December 31, 1997 and 1996,
respectively. The accrued benefit obligation was computed using a 7.85% discount
rate.

The Corporation entered into supplemental post-retirement agreements with six
key officers under which each officer is entitled to either a post-retirement
benefit payable in equal monthly installments over fifteen years beginning at
age sixty-five, or a death benefit, payable to the officer's beneficiary in the
event of death of the officer in equal monthly installments over fifteen years.
If the key officer elects early retirement at age fifty-five with ten years of
service, the officer is entitled to a reduced post-retirement benefit amount.
The Corporation is accruing the liability related to these post-retirement
benefits over the estimated service period of each of the officers. As of
December 31, 1997 and 1996, the Corporation had accrued $407,000 and $182,000,
respectively, related to these post-retirement benefit agreements. The accrued
benefit obligation was calculated using discount rates of 7% to 8%. The
Corporation has purchased life insurance policies to fund these post-retirement
benefits.


                                                                              59

<PAGE>


                         George Mason Bankshares, Inc.

             Notes to Consolidated Financial Statements (continued)

16. REGULATORY MATTERS

The Corporation is subject to various regulatory capital requirements
administered by federal banking agencies. Failure to meet minimum capital
requirements can initiate certain mandatory--and possibly additional
discretionary--actions by regulators that, if undertaken, could have a direct
material effect on the Corporation's financial statements. Under capital
adequacy guidelines and the regulatory framework for prompt corrective action,
the Corporation must meet specific capital guidelines that involve quantitative
measures of the Corporation's assets, liabilities, and certain off-balance-sheet
items as calculated under regulatory accounting practices. The Corporation's
capital amounts and classification are also subject to qualitative judgments by
the regulators about components, risk weightings, and other factors.

The Corporation is required to maintain minimum risk-based and leverage capital
as defined by the federal banking agencies. The measurement of risk-based
capital takes into account the credit risk of both the balance sheet assets and
off-balance sheet exposures. The regulatory guidelines require minimum
risk-based capital ratios of 4.0% for Tier 1 capital and 8.0% for total capital.
In addition, a minimum leverage ratio of Tier 1 capital to quarterly average
assets of 3.0% is required for strong banking organizations. A bank is
considered "well capitalized," the highest regulatory category, if it has the
following minimum ratios: Tier 1 capital of 6.0%, total risk-based capital of
10.0%, and Tier 1 leverage ratio of 5.0%. The capital ratios of the Corporation
were as follows:

<TABLE>
<CAPTION>
                                                                                          Well
                                                                                        Capitalized
                                                           DECEMBER 31                  Regulatory
                                                      1997               1996            Minimums
                                                 ---------------- ------------------ ------------------
                                                      (DOLLARS IN THOUSANDS)
<S><C>
CAPITAL:
   Tier 1 capital                                         $75,158            $64,943
   Tier 2 capital                                           5,669              5,659
                                                 ---------------- ------------------
TOTAL CAPITAL                                             $80,827            $70,602
                                                 ================ ==================

ASSETS:
   Risk-weighted assets                                  $625,455           $527,449
   Average assets (fourth quarter)                        946,969            849,883

RATIOS:
   Tier 1 capital to risk-weighted assets                   12.0%              12.3%         6.0%
   Total capital to risk-weighted assets                    12.9%              13.4%        10.0%
   Tier 1 leverage to average assets                         7.9%               7.6%         5.0%
</TABLE>

60

<PAGE>


                         George Mason Bankshares, Inc.

             Notes to Consolidated Financial Statements (continued)


16. REGULATORY MATTERS (CONTINUED)

The capital ratios of George Mason Bank, the Corporation's largest banking
subsidiary, were as follows:

<TABLE>
<CAPTION>
                                                                                                 Well
                                                                                               Capitalized
                                                                  DECEMBER 31                  Regulatory
                                                             1997               1996            Minimums
                                                      ------------------ ------------------ ------------------
                                                             (DOLLARS IN THOUSANDS)
<S><C>
CAPITAL:
   Tier 1 capital                                                $69,224            $48,104
   Tier 2 capital                                                  5,669              4,180
                                                      ------------------ ------------------
TOTAL CAPITAL                                                    $74,893            $52,284
                                                      ================== ==================

ASSETS:
   Risk-weighted assets                                         $574,126           $462,622
   Average assets (fourth quarter)                               946,833            757,147

RATIOS:
   Tier 1 capital to risk-weighted assets                          12.1%              10.4%        6.0%
   Total capital to risk-weighted assets                           13.0%              11.3%       10.0%
   Tier 1 leverage to average assets                                7.3%               6.4%        5.0%
</TABLE>


17. FINANCIAL INSTRUMENTS WITH OFF-BALANCE-SHEET RISK

The Corporation is a party to financial instruments with off-balance-sheet risk
in the normal course of business to meet the financial needs of its customers.
These financial instruments include commitments to extend credit and standby
letters of credit. Those instruments involve, to varying degrees, elements of
credit and interest rate risk in excess of the amount recognized in the balance
sheet. The contract or notional amounts of those instruments reflect the extent
of involvement the Corporation has in particular classes of financial
instruments. The Corporation's exposure to credit loss in the event of
nonperformance by the other parties to the financial instruments for commitments
to extend credit and standby letters of credit is represented by the contractual
notional amount of those instruments. The Corporation uses the same credit
policies in making commitments and conditional obligations as it does for
on-balance-sheet instruments.


                                                                              61

<PAGE>


                         George Mason Bankshares, Inc.

             Notes to Consolidated Financial Statements (continued)

17. FINANCIAL INSTRUMENTS WITH OFF-BALANCE-SHEET RISK (CONTINUED)

Financial instruments whose contract amounts represented credit risk were as
follows:

                                                    December 31
                                               1997              1996
                                        ------------------ -----------------
                                                  (IN THOUSANDS)

Commitments to extend credit                 $192,776           $197,030
Standby letters of credit                      14,456             18,994
                                        ------------------ -----------------
TOTAL                                        $207,232           $216,024
                                        ================== =================

Commitments to extend credit are agreements to lend to a customer as long as
there is no violation of conditions established in the contract. Commitments
generally have fixed expiration dates or other termination clauses and may
require payment of a fee. Since many of the commitments are expected to expire
without being drawn upon, the total commitment amounts do not necessarily
represent future cash requirements. Standby letters of credit are conditional
commitments issued by the Corporation to guarantee the performance of a customer
to a third party. The Corporation uses the same credit standards on a
case-by-case basis in evaluating commitments to extend credit and standby
letters of credit as it does when funding loans, including the determination of
the type and amount of collateral, if required.

As of December 31, 1997, substantially all mortgage loans held for resale were
identically matched with commitments from outside investors to purchase such
loans. These investors are national and regional mortgage bankers and savings
and loan institutions whose credit worthiness is evaluated annually. The terms
of these commitments are generally sixty to ninety days and are entered into in
an effort to limit the Corporation's exposure to interest rate fluctuations.

18. SIGNIFICANT GROUP CONCENTRATION OF CREDIT RISK

The loan portfolio is well-diversified among industries. Generally, the loans
are secured by assets or stock. The loans are expected to be repaid from cash
flow or proceeds from the sale of selected assets of the borrowers. The
Corporation evaluates each customer's creditworthiness on a case-by-case basis.
The amount of collateral obtained, if deemed necessary by the Corporation upon
extension of credit, is based on management's credit


                                                                              62

<PAGE>


                         George Mason Bankshares, Inc.

             Notes to Consolidated Financial Statements (continued)

18. SIGNIFICANT GROUP CONCENTRATION OF CREDIT RISK (CONTINUED)

evaluation of the counterparty. Collateral held varies but may include cash,
securities, accounts receivable, inventory, property, plant, and equipment, and
income-producing commercial properties and residential properties.

19. CONDENSED FINANCIAL STATEMENTS - PARENT COMPANY ONLY

BALANCE SHEETS

<TABLE>
<CAPTION>
                                                                               DECEMBER 31
                                                                           1997              1996
                                                                    ------------------ ----------------
                                                                              (IN THOUSANDS)
<S><C>
ASSETS
Cash and due from banks                                                                   $     163
Deposits at bank subsidiaries                                           $  5,023              5,400
                                                                    ------------------ ----------------
Cash and cash equivalents                                                  5,023              5,563

Investment in bank subsidiaries                                           70,103             59,067
Accrued income receivable and other assets                                     2                 17
Income tax receivable                                                      1,955                441
                                                                    ------------------ ----------------
TOTAL ASSETS                                                             $77,083            $65,088
                                                                    ================== ================

LIABILITIES AND SHAREHOLDERS' EQUITY
LIABILITIES
Dividends payable                                                       $    728          $     655
Accrued expenses                                                             319                 89
                                                                    ------------------ ----------------
TOTAL LIABILITIES                                                          1,047                744
SHAREHOLDERS' EQUITY
Common stock                                                               5,840              5,581
Surplus                                                                   43,163             38,472
Retained earnings                                                         26,308             21,094
Unrealized gain (loss) on available-for-sale securities                      725               (803)
                                                                    ------------------ ----------------
TOTAL SHAREHOLDERS' EQUITY                                                76,036             64,344
                                                                    ------------------ ----------------
TOTAL LIABILITIES AND SHAREHOLDERS' EQUITY                               $77,083            $65,088
                                                                    ================== ================
</TABLE>


                                                                              63


<PAGE>


                         George Mason Bankshares, Inc.

             Notes to Consolidated Financial Statements (continued)

19. CONDENSED FINANCIAL STATEMENTS - PARENT COMPANY ONLY (CONTINUED)

STATEMENTS OF INCOME

<TABLE>
<CAPTION>
                                                                             YEAR ENDED DECEMBER 31
                                                                       1997            1996           1995
                                                                  --------------- -------------- ---------------
                                                                                 (IN THOUSANDS)
<S><C>
Dividend income                                                                        $   331         $1,191
Interest and other income                                              $   233             359            382
Operating expenses                                                         886             541            435
                                                                  --------------- -------------- ---------------
Income (loss) before income tax benefit and equity in
   undistributed earnings of bank subsidiaries                            (653)            149          1,138
Income tax benefit                                                         232              94             56
                                                                  --------------- -------------- ---------------
Income before equity in undistributed earnings of
   bank subsidiaries                                                      (421)            243          1,194
Equity in undistributed earnings of bank subsidiaries                    8,501           6,640          5,098
                                                                  --------------- -------------- ---------------
NET INCOME                                                              $8,080          $6,883         $6,292
                                                                  =============== ============== ===============
</TABLE>



64

<PAGE>


                         George Mason Bankshares, Inc.

             Notes to Consolidated Financial Statements (continued)

19. CONDENSED FINANCIAL STATEMENTS - PARENT COMPANY ONLY (CONTINUED)

STATEMENTS OF CASH FLOWS

<TABLE>
<CAPTION>
                                                                             YEAR ENDED DECEMBER 31
                                                                      1997             1996            1995
                                                                 --------------- ---------------- ---------------
                                                                                 (IN THOUSANDS)
<S><C>
OPERATING ACTIVITIES
Net income                                                            $ 8,080         $ 6,883          $ 6,292
Equity in undistributed earnings of bank subsidiaries
                                                                       (8,501)         (6,640)          (5,098)
Gain on sale of securities available-for-sale                                             (84)            (198)
Change in assets and liabilities:
   Decrease (increase) in other assets                                    109             190              292
   (Decrease) increase in accounts payable                                230            (108)             155
                                                                 --------------- ---------------- ---------------
Net cash provided by operating activities                                 (82)            241            1,443

INVESTING ACTIVITIES
Cash invested in bank subsidiaries                                     (1,007)
Proceeds from sales and maturities of securities                                        1,154            1,248
                                                                 --------------- ---------------- ---------------
Net cash (used in) provided by investing activities                    (1,007)          1,154            1,248

FINANCING ACTIVITIES
Net proceeds from issuance of common stock                              3,342           1,647            1,628
Dividends paid                                                         (2,793)         (1,948)          (1,413)
                                                                 --------------- ---------------- ---------------
Net cash provided by (used in) financing activities                       549            (301)             215
                                                                 --------------- ---------------- ---------------
Net increase in cash and cash equivalents                                (540)          1,094            2,906
Cash and cash equivalents at beginning of year                          5,563           4,469            1,563
                                                                 --------------- ---------------- ---------------
CASH AND CASH EQUIVALENTS AT END OF YEAR                              $ 5,023         $ 5,563          $ 4,469
                                                                 =============== ================ ===============



Income tax refund                                                    $    364       $      34         $    423
                                                                 =============== ================ ===============
</TABLE>



                                                                              65

<PAGE>


                         George Mason Bankshares, Inc.

             Notes to Consolidated Financial Statements (continued)

20. 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 CASH EQUIVALENTS: The carrying amount of cash and cash equivalents is a
reasonable estimate of fair value.

SECURITIES: Fair values are based on quoted market prices or dealer quotes. If a
quoted market price is not available, fair value is estimated using quoted
market prices for similar securities.

LOANS: For certain homogeneous categories of loans, such as some residential
mortgages and other consumer loans, fair value is estimated using the quoted
market prices for securities backed by similar loans, adjusted for differences
in loan characteristics. The fair value of other types of loans is estimated by
discounting the future cash flows using the current rates at which similar loans
would be made to borrowers with similar credit ratings and for the same
remaining maturities.

ACCRUED INCOME RECEIVABLE: The carrying amount of accrued income receivable is a
reasonable estimate of fair value.

DEPOSITS: 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 of similar remaining maturities.

SECURITIES SOLD UNDER AGREEMENTS TO REPURCHASE AND OTHER BORROWED FUNDS: The
carrying amount of securities sold under agreements to repurchase and other
borrowed funds is a reasonable estimate of fair value.

ACCRUED EXPENSES AND OTHER LIABILITIES: The carrying amount of accrued expenses
and other liabilities is a reasonable estimate of fair value.

COMMITMENTS TO EXTEND CREDIT, STANDBY LETTERS OF CREDIT, AND FINANCIAL
GUARANTEES WRITTEN: The fair value of commitments is estimated using the fees
currently charged to enter into similar agreements, 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 the


66


<PAGE>


                         George Mason Bankshares, Inc.

             Notes to Consolidated Financial Statements (continued)

20. DISCLOSURES ABOUT FAIR VALUE OF FINANCIAL INSTRUMENTS (CONTINUED)

committed rates. The fair value of guarantees and letters of credit is based on
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. Unrecognized financial instrument accrual and deferral fees
were not considered material.

The estimated fair values of the Corporation's financial instruments were as
follows:

<TABLE>
<CAPTION>
                                                                          DECEMBER 31
                                                             1997                             1996
                                               -------------------------------- --------------------------------
                                                   Carrying           Fair           Carrying           Fair
                                                    Amount           Value            Amount           Value
                                               ---------------- ---------------- ---------------- --------------
                                                                        (IN THOUSANDS)
<S><C>
Financial assets:
     Cash and cash equivalents                    $    90,692      $    90,692        $  64,958        $  64,958
     Securities                                       373,669          374,796          345,433          346,216

     Loans                                            546,919          547,798          446,596          448,332
       Less allowance for loan losses                   5,669            5,669            5,659            5,659
                                               ---------------- ---------------- ---------------- --------------
     Net loans                                        541,250          542,129          440,937          442,673

     Other                                              4,939            4,939            4,480            4,480
                                               ---------------- ---------------- ---------------- --------------
TOTAL FINANCIAL ASSETS                             $1,010,550       $1,012,556         $855,808         $858,327
                                               ================ ================ ================ ================
Financial liabilities:
     Deposits                                     $   819,302      $   817,219         $693,594         $694,256
       Securities sold under
     agreements to repurchase and
     other borrowed funds                             122,809          122,721          105,898          105,866
       Other                                            8,422            8,422            8,634            8,634
                                               ---------------- ---------------- ---------------- --------------
TOTAL FINANCIAL LIABILITIES                        $  950,533       $  948,362         $808,126         $808,756
                                               ================ ================ ================ ================
</TABLE>


SFAS No. 107 excludes certain financial instruments and all nonfinancial
instruments from its disclosure requirements. The disclosures also do not
include deposit base intangibles. Accordingly, the aggregate fair value amount
presented should not be interpreted as representing the underlying value of the
Corporation.


                                                                              67

<PAGE>


                         George Mason Bankshares, Inc.

             Notes to Consolidated Financial Statements (continued)

21. BUSINESS COMBINATIONS

On September 11, 1997, the Corporation and United Bankshares, Inc. (United), a
bank holding company that had total assets of $2.7 billion at December 31, 1997
and is headquartered in West Virginia, announced the signing of a definitive
agreement for a merger of the two companies. Under the agreement, the
Corporation will be merged into a separate subsidiary of United. The business
combination will be structured as a pooling of interests and will provide a
tax-free exchange of 1.7 shares of United Common stock for each common share of
the Corporation, as adjusted for a 100% stock split effected in the form of a
dividend which was declared by United and is payable on March 27, 1998 to United
shareholders of record as of March 13, 1998. The proposed merger is expected to
close during the second quarter of 1998, subject to regulatory approval.

On May 17, 1996, the Corporation merged with The Palmer National Bancorp, Inc.
(Palmer). Palmer was a bank holding company with banking facilities in the
District of Columbia and a mortgage banking office in Montgomery County,
Maryland. The business combination was accounted for using the pooling of
interests method. The Corporation issued 924,599 shares of its common stock to
the Palmer shareholders.

The operating results for the period from January 1, 1996 to May 17, 1996, for
each of the entities combined were as follows (IN THOUSANDS, EXCEPT FOR PER
SHARE DATA):

<TABLE>
<CAPTION>
                                                              GMBI                Palmer
                                                       ------------------- ---------------------
<S><C>
Net interest income                                           $8,231               $1,654

Net income                                                     2,149                   70

Proceeds from the sale of common stock                           925                1,651

Unrealized holding loss on
   available-for-sale securities                              (3,205)                 (96)

Dividends declared                                               401                    0

Dividends per share                                          $  0.10                    0
</TABLE>



68


<PAGE>


                         George Mason Bankshares, Inc.

             Notes to Consolidated Financial Statements (continued)

21. BUSINESS COMBINATIONS (CONTINUED)

The net interest income and net income for the year ended December 31, 1995 for
each of the entities and combined were as follows (IN THOUSANDS):

                                                                  Combined
                                   GMBI            Palmer       Corporation
                              --------------- ---------------- --------------

Net interest income              $19,837          $4,333          $24,170
Net income                         5,423             869            6,292






                                                                              69

<PAGE>


                         George Mason Bankshares, Inc.

                   Selected Financial Information (continued)

22. QUARTERLY FINANCIAL INFORMATION (UNAUDITED - IN THOUSANDS, EXCEPT PER SHARE
DATA) (1)

<TABLE>
<CAPTION>
                                               1997                                            1996
                             Dec 31     Sep 30      Jun 30      Mar 31         Dec 31      Sep 30      Jun 30      Mar 31
                          ----------------------- ----------- -----------    ----------- ----------- ----------- -----------
<S><C>
Interest income               $17,250    $16,651    $15,875     $14,730        $14,905     $14,256     $12,498     $12,068
Interest expense                8,611      8,563      8,015       7,372          7,754       7,060       5,871       5,579
                          -----------------------------------------------    -----------------------------------------------
Net interest income             8,639      8,088      7,860       7,358          7,151       7,196       6,627       6,489
(Recoveries) provision
   for loan losses                 (3)        11          8           4              0           0           0         181

Gains (losses) on sales
   of trading securities
   and securities
   available-for-sale               2          0         (1)         41            232           8          68         318

Other income                    4,268      5,054      3,684       3,596          3,459       3,527       3,567       3,673
Other expense                   9,841     10,013      8,600       8,354          7,855       8,107       7,973       8,244
Income taxes                      925      1,006        929         821            954         815         667         636
                          -----------------------------------------------    -----------------------------------------------
NET INCOME                   $  2,146    $ 2,112    $ 2,006     $ 1,816        $ 2,033     $ 1,809     $ 1,622     $ 1,419
                          ===============================================    ===============================================
BASIC EARNINGS PER
   SHARE                     $   0.41    $  0.41    $  0.40     $  0.36        $  0.40     $  0.36     $  0.33     $  0.30
                          ===============================================    ===============================================
DILUTED EARNINGS PER
   SHARE                     $   0.40    $  0.40    $  0.39     $  0.35        $  0.40     $  0.35     $  0.32     $  0.28
                          ======================= =========== ===========    =========== =========== =========== ===========

CASH DIVIDENDS
   DECLARED PER SHARE        $   0.14    $  0.14    $  0.14     $  0.14        $  0.13     $  0.12     $  0.11     $  0.10
                          ======================= =========== ===========    =========== =========== =========== ===========

WEIGHTED AVERAGE
   SHARES OUTSTANDING
   PLUS COMMON STOCK
   EQUIVALENTS                  5,351      5,266      5,172       5,147          5,133       5,099       5,082       5,029
                          ======================= =========== ===========    =========== =========== =========== ===========
</TABLE>


(1)  On May 17, 1996, the Corporation merged with The Palmer National Bancorp,
     Inc. Financial data for the quarter ended March 31, 1996 has been restated
     to reflect the results of operations on a combined basis from the earliest
     period presented.


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