NATIONAL BANCSHARES CORP OF TEXAS
10-K, 1997-03-31
NATIONAL COMMERCIAL BANKS
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                    U.S. SECURITIES AND EXCHANGE COMMISSION
                             WASHINGTON, D.C. 20549

                                   FORM 10-K

             [X] ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE
                        SECURITIES EXCHANGE ACT OF 1934

                  For the fiscal year ended December 31, 1996

             [ ] TRANSITION REPORT UNDER SECTION 13 OR 15(d) OF THE
                        SECURITIES EXCHANGE ACT OF 1934

                        COMMISSION FILE NUMBER: 1-13472

                                  * * * * * *

                    NATIONAL BANCSHARES CORPORATION OF TEXAS
       (Exact name of small business issuer as specified in its charter)

         TEXAS                                      74-1692337
(State of Incorporation)             (I.R.S. Employer Identification Number)

                    104 EAST MANN ROAD, LAREDO, TEXAS 78042
                    (Address of principal executive offices)
                        Telephone number: (210) 724-2424

         Securities registered under Section 12(b) of the Exchange Act:
                         COMMON STOCK, $.001 PAR VALUE
      Securities registered under Section 12(g) of the Exchange Act: None

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

         Check if there is no disclosure of delinquent filers in response to
Item 405 of Regulation S-K contained in this form, and no disclosure will be
contained, to the best of registrant's knowledge, in definitive proxy or
information statements incorporated by reference in Part III of this Form 10-K
or any amendment to this Form 10-K [ ].

         Issuer's revenues for its most recent fiscal year: $ 20,819,731 (Total
Interest Income).

          State the aggregate market value of voting stock held by
non-affiliates based upon the closing AMEX sale price on March 6, 1997 :
$61,728,226.

    (ISSUERS INVOLVED IN BANKRUPTCY PROCEEDINGS DURING THE PAST FIVE YEARS)

         Check whether the issuer has filed all documents and reports required
to be filed by Section 12, 13 or 15(d) of the Exchange Act after its
distribution of securities under a plan confirmed by a court. Yes X  No   .
                                                                 ---   ---    

         State the number of shares outstanding of each of the issuer's classes
of common equity, as of March 6, 1997 : 4,658,734 shares of Common Stock.

                      DOCUMENTS INCORPORATED BY REFERENCE:

         Proxy Statement for the Annual Meeting of Shareholders to be held May
16, 1997 (Part III).

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                               TABLE OF CONTENTS
<TABLE>
<CAPTION>

                                     PART I

<S>    <C>                                                                                       <C>
Item   1.   Description of Business ..........................................................   3
Item   2.   Description of Property ..........................................................   9
Item   3.   Legal Proceedings ................................................................   9
Item   4.   Submission of Matters to a Vote of Security Holders ..............................   9


                                    PART II

Item   5.   Market for Common Equity and Related Shareholder Matters .........................  10
Item   6.   Selected Consolidated Financial Data .............................................  11
Item   7.   Management's Discussion and Analysis .............................................  13
Item   8.   Financial Statements .............................................................  25
Item   9.   Changes and/or Disagreements with Accountants on Accounting and
                 Financial Disclosure ........................................................  52


                                    PART III

Item  10.   Directors, Executive Officers, Promoters and Control Persons .....................  52
Item  11.   Executive Compensation ...........................................................  52
Item  12.   Security Ownership of Certain Beneficial Owners and Management ...................  53
Item  13.   Certain Relationships and Related Transactions ...................................  53


                                    PART IV

Item  14.   Exhibits and Reports on Form 8-K .................................................  53


</TABLE>


<PAGE>   3

                                     PART I


ITEM 1.  DESCRIPTION OF BUSINESS

THE COMPANY

         National Bancshares Corporation of Texas (the "Company") is a bank
holding company incorporated in Texas on June 14, 1971, and registered under
the Bank Holding Company Act of 1956, as amended. The Company successfully
emerged from reorganization (the "Reorganization") under Chapter 11 of the
United States Bankruptcy Code in May 1992. As a result of the Reorganization,
the Company came under new management and control and its assets and
liabilities were substantially restructured. The Company now conducts its
banking operations through NBC Bank-Laredo, N.A. ("NBC-Laredo"), NBC Bank-Eagle
Pass, N.A. ("NBC-Eagle Pass"), NBC Bank-Rockdale ("NBC-Rockdale") and The First
National Bank in Luling ("FNB-Luling"), (collectively, the "Banks").
NBC-Laredo, NBC-Eagle Pass, NBC-Rockdale and FNB-Luling are wholly-owned
subsidiaries of NBT of Delaware, Inc., a Delaware corporation that is a
wholly-owned subsidiary of the Company. The Company also operates its data and
item processing for the subsidiary banks through NBC Holdings-Texas, Inc., a
wholly-owned subsidiary of NBT of Delaware, Inc. At December 31, 1996, the
Company (on a consolidated basis) had total assets of $328 million, total
investments securities of $161 million, total loans of $113 million, total
deposits of $280 million, total stockholders' equity of $43 million and net
operating loss carry-forwards for federal income tax purposes of $107 million.
For the year ended December 31, 1996, the Company recorded net income of $5.7
million.

         Subsequent to December 31, 1996, the Company reached a definitive
agreement with Wells Fargo Bank (Texas), National Association to purchase three
of Wells Fargo's branches. The branches are located in Giddings, Marble Falls
and Taylor, Texas. The sale includes the deposit accounts and facilities and
equipment of the branches, but does not include any loans with the exception of
deposit-secured loans. Through this purchase the Company's subsidiary banks
will acquire deposits of approximately $100 million making the Company's
consolidated assets in excess of $430 million. The purchase price of the
branches will be determined prior to closing. The transaction should be
completed by the third quarter of 1997.

         The Company's executive offices are located at 104 East Mann Road,
Laredo, Texas 78042, and its telephone number is (210) 724-2424.

THE BANKS

         Each of the subsidiary banks is a separate entity which operates under
the day-to-day management of its own board of directors and officers. The Banks
grant agribusiness, commercial, residential and installment loans to customers
primarily in Central and South Texas. The Banks also offer a range of
commercial banking services, including acceptance of deposits and providing
letters of credit. Deposit services include certificates of deposit, individual
retirement accounts, checking accounts, interest-bearing checking accounts,
savings accounts and money market accounts. In addition, the Banks provide
traveler's checks, safe deposit boxes and other customary nondeposit banking
services. The Banks provide limited escrow services, and NBC-Rockdale provides
trust services. NBC-Eagle Pass, NBC-Laredo and FNB-Luling do not intend to
provide trust services in the future. FNB-Luling provides discount brokerage
services. Loans consist of real estate loans, residential mortgages,
construction loans, commercial loans directed at small to middle market
businesses and loans to individuals. In addition, each of the Banks is subject
to legal lending limits. Such limits generally restrict loans to any one
customer in an amount not to exceed 15% of any one Bank's total capital plus
the allowance for possible loan losses.




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The following  table sets forth certain  financial  information  with respect 
to the Banks as of December 31, 1996 (dollars in thousands):

<TABLE>
<CAPTION>

                              Assets    Loans      Deposits
                              ------    -----      --------

<S>                         <C>        <C>        <C>     
NBC - Eagle Pass            $173,574   $ 45,595   $155,640

NBC - Laredo                $ 65,345   $ 35,085   $ 57,298

NBC - Rockdale              $ 53,697   $ 17,880   $ 46,196

FNB - Luling                $ 27,569   $ 14,698   $ 22,256
</TABLE>


LOAN PORTFOLIO

         REAL ESTATE LOANS. The Banks have historically engaged in real estate
lending through construction and term mortgage loans, all of which are secured
by deeds of trust on underlying real estate. Each loan is evaluated based on,
among other things, character and leverage capacity of the borrower; capital
and investment in a particular property, if applicable; cash flow; collateral;
market conditions for the borrower's business or project; and prevailing
economic trends and conditions. The Banks lending policies also require an
independent appraisal or an evaluation on each parcel of real estate which will
be taken as collateral for a loan. The Banks disburse funds under each
construction loan in accordance with a disbursement schedule that is part of
the construction loan agreement and details the budgeted project cost.
Borrowers are required to submit payment requests with cost breakdowns and
invoices that are accompanied by, as appropriate, labor releases, original
material releases and payee signatures acknowledging pending payment. Payment
requests must also be supported by project inspection reports that include,
among other things, line item actual cost comparisons to budgeted costs,
photographs of the project and a discussion of the project's status. Funds are
disbursed only after the request has been reviewed by an officer of the Bank
and a determination has been made that the project is proceeding on budget. The
majority of all of the Banks real estate loans are small and medium sized real
estate loans.

         COMMERCIAL LOANS. Commercial loans include loans made primarily to
small and medium sized businesses and professionals for working capital.
Although the Banks typically look to the borrower's cash flow as the principal
source of repayment of such loans, many of these are secured by real estate as
a secondary source of repayment. Certain of the Banks' commercial loans are
secured by buildings for which the Banks have provided the construction
financing.

         INSTALLMENT LOANS. Installment loans consist primarily of automobile
loans, loans made to finance small equipment acquisitions, small loans for
personal and household needs and home improvement loans. These loans are made
primarily as an accommodation to existing customers and are not a substantial
part of the Banks lending strategy.

DEPOSITS

         The Banks have generated a substantial portion of its deposits from
individuals and small businesses in its immediate market area. The Banks offer
competitive interest rates on money market accounts, savings accounts and
certificates of deposit. NBC-Eagle Pass and NBC-Laredo enjoy long-term deposit
relationships with many Mexican Nationals.

COMPETITION

         The Banks face substantial competition for deposits and loans
throughout their market areas. The primary factors in competing for deposits
are interest rates, personalized services, the quality and range of financial
services offered, convenience of banking facilities and hours of operation.
Competition comes primarily from other commercial banks, savings and loans,
credit unions, mutual funds and other financial intermediaries. The Company
believes the primary factors in competing for loans are interest rates, loan
origination fees, the quality and range of lending services and personalized
services. The Banks face competition for deposits and loans throughout their
market areas not only from local institutions 


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but also from out-of-state financial intermediaries which have opened loan
production offices which solicit deposits in its market areas. Many of the
financial intermediaries operating in the Banks market areas offer certain
services, such as trust, investment and international banking services, which
the Company does not offer directly. Additionally, banks with larger
capitalization and financial intermediaries not subject to bank regulatory
restrictions have larger lending limits and are thereby able to serve the needs
of larger customers. Management believes, however, that the Banks long-term
presence, local expertise and ongoing commitment to the community, as well as
their commitment to quality and personalized banking services, are the key
factors that contribute to their competitiveness.

         Based on June 30, 1996 data, NBC-Laredo holds 2 percent of the total
deposits of its community. There are seven local banks in the Laredo area as
well as a branch of Bank of America and a branch of Pacific Southwest Bank. The
Laredo market is dominated by International Bank of Commerce with approximately
31 percent of total deposits and Laredo National Bank with 44 percent of total
deposits. NBC-Eagle Pass is one of two banks located in Eagle Pass, Texas and
holds in excess of 63 percent of the community's banking deposits. NBC-Rockdale
is the largest bank in Rockdale holding over 48 percent of the total deposits
and is the third largest of the four banks located in Milam County, Texas
holding approximately 17 percent of the total deposits. FNB-Luling is one of
two banks located in Luling, Texas, holding over 32% of the deposits of the
city. There is also a branch of Pacific Southwest Bank and American National
Bank of Gonzales located in Luling.

GROWTH OBJECTIVES

         The Company intends to grow its business in the State of Texas by
adding additional branches and through possible acquisitions. Because the
Company has $107 million of net operating loss carryforwards as of December 31,
1996, which will not begin to expire until 2005, the Company believes it is
well positioned to grow its business by acquiring additional banks. The
Company's ability to acquire additional banks is dependent upon (i) the
availability of suitable candidates and (ii) the Company's ability to compete
effectively for such additional banks and establishing branches. Acquiring
additional banks or adding additional branches is also subject to certain
federal and state regulatory approvals. See "Supervision and Regulation -- The
Company" and " Supervision and Regulation -- Interstate Banking and Branching."
There can be no assurance, however, that the Company will obtain the required
regulatory approvals or that the Company will be able to successfully add
additional branches or acquire additional banks.

EMPLOYEES

         At December 31, 1996, the Company employed approximately 169 full time
equivalent employees. Management believes that its relations with its employees
are satisfactory. Employees of the Company enjoy a variety of employee benefit
programs, including a 401(k) plan, paid vacations and comprehensive medical,
life and accident insurance plans.

SUPERVISION AND REGULATION

          THE COMPANY. The Company, as a registered bank holding company, is
subject to regulation under the Bank Holding Company Act of 1956, as amended
(the "Act"). The Company is required to file with the Federal Reserve Board
("FRB") quarterly and annual reports and such additional information as the FRB
may require pursuant to the Act. The Company is subject to examination by the
FRB. The FRB may require the Company to terminate an activity or terminate
control of or liquidate or divest certain subsidiaries or affiliates when the
FRB believes the activity or the control of the subsidiary or affiliate
constitutes a significant risk to the financial safety, soundness or stability
of any of its banking subsidiaries. The FRB also has the authority to regulate
provisions of certain bank holding company debt, including authority to impose
interest ceilings and reserve requirements on such debt. Under certain
circumstances, the Company must file written notice and obtain approval from
the FRB prior to purchasing or redeeming its equity securities. Under the Act
and regulations adopted by the FRB, a bank holding company and its nonbanking
subsidiaries are prohibited from requiring certain tie-in arrangements in
connection with any extension of credit, lease or sale of property or
furnishing of services. Further, the Company is required by the FRB to maintain
certain levels of capital. See "Supervision and Regulation--Capital Adequacy 
Guidelines."

         The Company is required to obtain prior approval of the FRB for the
acquisition of more than 5% of the outstanding shares of any class of voting
securities or substantially all of the assets of any bank or bank holding
company. Prior approval of the FRB is also required for the merger or
consolidation of the Company and another bank holding company. The 


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Company is prohibited by the Act, except in certain statutorily prescribed
instances, from acquiring direct or indirect ownership or control of more than
5% of the outstanding voting shares of any company that is not a bank or bank
holding company and from engaging directly or indirectly in activities other
than those of banking, managing or controlling banks or furnishing services to
its subsidiaries. However, the Company may, subject to the prior approval of
the FRB, engage in any, or acquire shares of companies engaged in, activities
that are deemed by the FRB to be so closely related to banking or managing or
controlling banks as to be a proper incident thereto. The FRB is also empowered
to differentiate between activities commenced de novo and activities commenced
by acquisition, in whole or in part, of a going concern and is generally
prohibited from approving an application by a bank holding company to acquire
voting shares of any commercial bank in another state unless such acquisition
is specifically authorized by the laws of such other state.

         Under FRB regulations, a bank holding company is required to serve as
a source of financial and managerial strength to its subsidiary banks and may
not conduct its operations in an unsafe or unsound manner. In addition, it is
the FRB's policy that in serving as a source of strength to its subsidiary
banks, a bank holding company should stand ready to use available resources to
provide adequate capital funds to its subsidiary banks during periods of
financial stress or adversity and should maintain the financial flexibility and
capital-raising capacity to obtain additional resources for assisting its
subsidiary banks. A bank holding company's failure to meet its obligations to
serve as a source of strength to its subsidiary banks will generally be
considered by the FRB to be an unsafe and unsound banking practice or a
violation of the FRB's regulations or both.

         THE BANKS. Banks are extensively regulated under federal and state
law. NBC-Laredo, NBC-Eagle Pass and FNB-Luling, as national banks, are subject
to primary supervision, periodic examination and regulation by the Office of
the Comptroller of the Currency (the "OCC"). NBC-Rockdale, a Texas state
chartered bank, is subject to examination and regulation by the Texas State
Banking Department.

         The deposits of the Banks are insured by the FDIC, which currently
insures deposits of each member bank to a maximum of $100,000 per depositor.
For this protection, the Banks, as is the case with all insured banks, pay a
semi-annual statutory assessment and are subject to the rules and regulations
of the FDIC. See "Supervision and Regulation - FDIC Insurance."

          The regulations of these federal agencies govern most aspects of the
Banks business, including, without limitation, capital to assets ratios,
reserves against deposits, maximum lending limitations, investments, mergers
and acquisitions, borrowings, dividends and locations of branch offices. The
Banks are also subject to applicable provisions of Texas law, insofar as they
do not conflict with or are not preempted by federal law. Supervision, legal
action and examination of the Banks by the regulatory agencies are generally
intended to protect depositors, and are not intended for the protection of
shareholders. The OCC also has the authority to prohibit national banks from
engaging in what, in the OCC's opinion, constitutes an unsafe or unsound
practice in conducting its business. It is possible, depending upon the
financial condition of the bank in question and other factors, that the OCC
could assert that the payment of dividends or other payments might, under some
circumstances, be such an unsafe or unsound practice.

         CONTROL ISSUES. Investors in the Common Stock are potentially subject
to certain change of bank control laws; those contained in the Act, the Federal
Deposit Insurance Act (the "FDIA") and applicable Texas laws. In general,
persons who wish to acquire a number of shares of Common Stock that, when
aggregated with that person's other holdings of Common Stock, if any, would
equal or exceed 10 percent of the Company's Common Stock, or who otherwise
might be subject to the change of bank control rules, should consult with their
legal counsel regarding the applicability of the provisions of any of these
laws.

         INTERSTATE BANKING AND BRANCHING. The Riegle-Neal Interstate Branching
Efficiency Act of 1994 ("IBBEA"), authorizes interstate acquisitions of banks
and bank holding companies without geographic limitation beginning one year
after enactment. In addition, beginning June 1, 1997, IBBEA authorizes a bank
to merge with a bank in another state as long as neither of the states has
opted out of interstate branching between the date of enactment of IBBEA and
May 31, 1997. IBBEA further provides that states may enact laws permitting
interstate bank merger transactions prior to June 1, 1997. A bank may establish
a de novo branch in a state in which the bank does not maintain a branch if the
state expressly permits de novo branching. Once a bank has established branches
in a state through an interstate merger transaction, the bank may establish and
acquire additional branches at any location in the state where any bank
involved in the merger transaction could have established or acquired branches
under applicable federal or state law. A bank that has established a branch in
a state 


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through de novo branching may establish and acquire additional branches in such
state in the same manner and to the same extent as a bank having a branch in
such state as a result of an interstate merger. If a state opts out of
interstate branching within the specified time period, no bank in any other
state may establish a branch in the opting out state, whether through an
acquisition or de novo. On August 28, 1995, Texas enacted legislation opting
out of interstate branching.

         FDIC INSURANCE. The deposits of the Banks are insured by the Federal
Deposit Insurance Corporation ("FDIC"). For this protection, the Banks are
subject to the rules and regulations of the FDIC. The Banks also pay FDIC
insurance premiums based on each Bank's annual assessment rate assigned to it
by the FDIC. The assessment rate is based on the institution's capitalization
risk category and "supervisory subgroup." An institution's capitalization risk
category is based on the FDIC's determination of whether the institution is
well capitalized, adequately capitalized or less than adequately capitalized.
An institution's supervisory subgroup is based on the FDIC's assessment of the
financial condition of the institution and the probability that FDIC
intervention or other corrective action will be required. In 1994, the FDIC
assessment rate ranged from $.23 per $100 of deposits to $.31 per $100 of
deposits. In 1995, the FDIC assessment rate ranged from $.04 per $100 of
deposits to $.31 per $100 of deposits. In 1996, the FDIC assessment rate ranged
from zero to $.27 per $100 of deposits with a minimum semi-annual assessment of
$1,000. Changes in the FDIC's regulations, its range of assessment rates or the
Banks' annual assessment rates can materially affect the Company's cost of
doing business and, as a result, its results of operations. The Banks
assessment rates are currently zero and, therefore, have been significantly
reduced from prior years.

         FDICIA REGULATION. On December 19, 1991, Congress enacted the Federal
Deposit Insurance Corporation Improvement Act of 1991 ("FDICIA"), which
substantially revised the bank regulatory and funding provisions of the Federal
Deposit Insurance Act and made revisions to several other federal banking
statutes. Among other things, FDICIA requires the federal banking regulators to
take "prompt and corrective action" in respect of depository institutions
insured by the FDIC that do not meet minimum capital requirements. FDICIA
establishes five capital tiers: `"well capitalized," "adequately capitalized,"
"undercapitalized," "significantly undercapitalized," and "critically
undercapitalized." As of December 31, 1996, all of the Company's banks were
well capitalized.

         FDICIA directs that each federal banking agency prescribe standards,
by regulation or guidelines, for depository institutions relating to internal
controls, information systems, internal audit systems, loan documentation,
credit underwriting, interest rate exposure, asset growth, compensation, asset
quality, earnings, stock valuation, and such other operational and managerial
standards as the agency deems appropriate. The FDIC, in consultation with the
other federal banking agencies, has adopted a final rule and guidelines with
respect to internal and external audit procedures and internal controls in
order to implement those provisions of FDICIA intended to facilitate the early
identification of problems in financial management of depository institutions.
On July 10, 1995, the federal banking agencies published the final rules
implementing three of the safety and soundness standards required by FDICIA,
including operational and managerial standards, asset quality and earnings
standards, and compensation standards. Management does not believe the impact
of such standards on the Company will be material.

         FDICIA also contains a variety of other provisions that may effect the
operations of the Company, including new reporting requirements, revised
regulatory standards for real estate lending, "truth in savings" provisions,
and the requirement that a depository institution give ninety days notice to
customers and regulatory authorities before closing any branch.

         CAPITAL ADEQUACY GUIDELINES. The federal banking agencies have issued
guidelines for risk-based capital requirements. The guidelines are intended to
establish a systematic analytical framework that makes regulatory capital
requirements more sensitive to differences in risk profiles among banking
organizations, and takes off-balance sheet items into account in assessing
capital adequacy and minimizes disincentives to holding liquid, low-risk
assets. Under these guidelines, assets and credit equivalent amounts of
off-balance sheet items, such as letters of credit and outstanding loan
commitments, are assigned to one of several risk categories, which range from
0% for risk-free assets, such as cash and certain U.S. government securities,
to 100% for relatively high-risk assets, such as loans and investments in fixed
assets, premises and other real estate owned. The aggregated dollar amount of
each category is then multiplied by the risk-weight associated with that
category. The resulting weighted values from each of the risk categories are
then added together to determine the total risk-weighted assets.



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         The guidelines require a minimum ratio of qualifying total capital to
risk-weighted assets of 8%, of which at least 4% must consist of Tier 1
capital. A banking organization's qualifying total capital consists of two
components: Tier 1 capital (core capital) and Tier 2 capital (supplementary
capital). Tier 1 capital consists primarily of common stock, related surplus,
retained earnings, and qualifying preferred stock. Intangibles, such as
goodwill, are generally deducted from Tier 1 capital. At least 50% of the
banking organization's total regulatory capital must consist of Tier 1 capital.
Tier 2 capital may consist of (i) the allowance for possible loan and lease
losses in an amount up to 1.25% of risk-weighted assets; (ii) preferred stock
not qualifying as Tier 1 capital plus related surplus; and, (iii) mandatory
convertible debt. The inclusion of the foregoing elements of Tier 2 capital are
subject to certain requirements and limitations of the federal banking
agencies. The federal banking agencies have also adopted a minimum leverage
ratio of Tier 1 capital to total assets of 3% for banks that have a uniform
composite ("CAMEL") rating of 1. All other institutions and institutions
experiencing or anticipating significant growth are expected to maintain
capital at least 100 to 200 basis points above the minimum level. Furthermore,
higher leverage ratios are required to be considered well capitalized or
adequately capitalized under the prompt corrective action provisions of the
FDICIA. See "Management's Discussion and Analysis -- Capital Resources."

         CRA AND FAIR LENDING DEVELOPMENTS. The Banks are subject to certain
fair lending requirements and reporting obligations involving home mortgage
lending operations and Community Reinvestment Act ("CRA") activities. The CRA
generally requires the federal banking agencies to evaluate the record of a
financial institution in meeting the credit needs of their local communities,
including low and moderate income neighborhoods. In addition to substantial
penalties and corrective measures that may be required for a violation of
certain fair lending laws, the federal banking agencies may take compliance
with such laws and CRA into account when regulating and supervising other
activities.

         ENVIRONMENTAL LAWS. Under various federal, state and local laws,
ordinances and regulations, a current or previous owner, developer or operator
of real estate may be liable for the cost of removal or remediation of certain
hazardous or toxic substances at, on, under or in its property. The cost of
such removal or remediation of such substances can be substantial. These laws
often impose liability without regard to whether the owner or operator knew of,
or was responsible for, the release or presence of such substances. As a
result, the presence of such substances on any of the real property collateral
securing any of the Banks' loans may render such collateral less valuable or
worthless or may cause the Banks to be unwilling to foreclose upon the
collateral. In addition, the Banks may incur substantial environmental
liabilities and costs from owning any collateral previously foreclosed upon
that is later determined to contain such substances. The Banks attempt to
reduce this risk by making inquiry with respect to environmental matters in
connection with the extension of credit; however, there can be no assurance
that environmental liabilities do not or will not exist with respect to the
Banks' collateral.

EFFECT OF GOVERNMENTAL POLICIES AND RECENT LEGISLATION

         Banking is a business that depends on rate differentials. In general,
the difference between the interest rate paid by the Banks on their deposits
and other borrowings and the interest rate received by the Banks on loans
extended to their customers and securities held in the Banks portfolio comprise
the major portion of the Banks earnings. These rates are highly sensitive to
many factors that are beyond the control of the Banks. Accordingly, the
earnings and growth of the Banks are subject to the influence of local,
domestic and foreign economic conditions, including recession, unemployment and
inflation.

         The commercial banking business is not only affected by general
economic conditions but is also influenced by the monetary and fiscal policies
of the federal government and the policies of regulatory agencies, particularly
the FRB. The FRB implements national monetary policies (with objectives such as
curbing inflation and combating recession) by its open-market operations in
United States Government securities, by adjusting the required level of
reserves for financial intermediaries subject to its reserve requirements and
by varying the discount rate applicable to borrowings by depository
institutions. The actions of the FRB in these areas influence the growth of
bank loans, investments and deposits and also affect the interest rates charged
on loans and paid on deposits. The nature and impact of any future changes in
monetary policies cannot be predicted.

         From time to time, legislation is enacted which has the effect of
increasing the cost of doing business, limiting or expanding permissible
activities or affecting the competitive balance between banks and other
financial intermediaries. Proposals to change the laws and regulations
governing the operations and taxation of banks, bank holding companies and
other financial intermediaries are frequently made in Congress, in the Texas
legislature and before various bank regulatory 



                                       8
<PAGE>   9

and other professional agencies. The likelihood of any major changes and the
impact such changes might have on the Company and/or the Banks are impossible
to predict. Certain of the potentially significant changes which have been
enacted and proposals which have been made recently are discussed above.


ITEM 2.  DESCRIPTION OF PROPERTY

         The Company's headquarters are located in the NBC-Laredo Bank building
located at 104 East Mann Road, Laredo, Texas, occupying premises of
approximately 600 square feet. The Company has an indefinite lease with the
Bank with monthly lease payments of $1,500 per month.

         The Company has entered into a forty-two month sublease for 1,429
square feet in Suite 1700 at 100 Wilshire Boulevard, Santa Monica, California,
with lease payments of $3,500 per month. The lease expires on December 31,
1999. This property is for office use.

         The Company has entered into a three year lease for 1,176 square feet
in Suite 875 at 111 Soledad, San Antonio, Texas, with lease payments of $882
per month. Beginning October 1, 1997 the lease payments escalate to $980 per
month. This property is used for data processing and item processing for the
subsidiary banks. The lease expires on September 30, 1998.

         The Company has entered into an eighteen month lease for 1,086 square
feet in Suite 660 at 613 N.W. Loop 410, San Antonio, Texas, with lease payments
of $1,312.25 per month. The lease expires on December 31, 1997. This property
is used as a loan production office.

         NBC-Laredo's main banking facility is located at 104 East Mann Road,
Laredo, Texas. The Bank owns and occupies a 12,000 square foot, two story
building situated on approximately two acres at this address. NBC-Laredo leases
a 1,200 square foot motor bank approximately one-half mile south of its main
location at Mall Del Norte, Laredo, Texas. This property is leased until
December 31, 1999, with monthly lease payments of $1,700 per month.

         NBC-Eagle Pass' main banking facility is located at 439 Main Street,
Eagle Pass, Texas which is within five blocks of the international bridge into
Piedras Negras, Coahuila, Mexico. The Bank owns and occupies a two story,
22,434 square foot building situated on one city block at this address.
NBC-Eagle Pass also owns and occupies a 4,000 square foot branch bank,
NBC-East, located approximately one mile east of the main bank at 2538 E. Main
Street which was completed in December 1995.

         NBC-Rockdale's main banking facility is located at 401 E. Cameron
Street, Rockdale, Texas. The Bank owns and occupies a 22,000 square foot two
story building at this location. NBC-Rockdale also owns and occupies a 1,700
square foot motor bank located at 1401 W. Cameron Street, Rockdale, Texas.

         FNB-Luling's main banking facility is located at 200 S. Pecan Ave.,
Luling, Texas. The bank owns and occupies a 5500 square foot one story building
at this location.

ITEM 3.  LEGAL PROCEEDINGS

         The Company and the Banks from time to time are involved in legal
actions arising from normal business activities. Management believes that those
actions are without merit or that the ultimate liability, if any, resulting
from them will not materially affect the Company's financial position.

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

         Not Applicable.





                                       9
<PAGE>   10



                                    PART II

ITEM 5.  MARKET FOR COMMON EQUITY AND RELATED SHAREHOLDER MATTERS

MARKET PRICE OF COMMON STOCK

         The Common Stock of the Company has been listed on the American Stock
Exchange since April 28, 1995. Prior to that date, the Common Stock of the
Company was not listed on any stock exchange nor quoted on the National
Association of Securities Dealers Automated Quotation Systems ("NASDAQ").
Historically, there has been a very limited public trading market in the
Company's Common Stock. As of December 31, 1996, the Company had approximately
450 shareholders of record.

         The following table sets forth the high and low sales/bid
prices/quotations for the Company's Common Stock during 1996 and 1995. These
bid quotations reflect inter-dealer prices, without retail mark-up, mark-down
or commission and may not necessarily represent actual transactions:

<TABLE>
<CAPTION>

                             SALES/BID PRICES
                      -----------------------------
                           HIGH            LOW
                       ------------   -------------
<S>                    <C>            <C>       
1996:
   4TH QUARTER         $   12.00      $    10.88
   3RD QUARTER             11.38           10.38
   2ND QUARTER             11.63           10.75
   1ST QUARTER             11.38            9.63

1995:
   4th Quarter         $   11.38      $     9.63
   3rd Quarter             10.75            7.63
   2nd Quarter              8.25            6.50
   1st Quarter              6.81            5.81
</TABLE>


DIVIDENDS

         Holders of Common Stock are entitled to receive dividends when, as and
if declared by the Company's Board of Directors out of funds legally available
therefore. The Company has not previously paid any dividends on the Common
Stock. The Company currently intends to retain all future earnings for use in
the expansion and operation of its business. Accordingly, the Company does not
anticipate paying cash dividends on its common stock in the foreseeable future.
The payment of any future dividends will be at the discretion of the Company's
Board of Directors and will depend upon, among other things, future earnings,
capital requirements, the general financial condition of the Company, as well
as other relevant factors. The Company's principal source of funds to pay
dividends on the Common Stock is the cash dividends the Company receives from
the Banks. The payment of dividends by the Banks to the Company is subject to
certain restrictions imposed by federal banking laws, regulations and
authorities.



                                      10
<PAGE>   11
ITEM 6.  SELECTED CONSOLIDATED FINANCIAL DATA

         The following selected consolidated financial data should be 
read in conjunction with the Consolidated Financial Statements of the Company
and the Notes thereto and the information contained in "Management's 
Discussion and Analysis of Financial Condition and Results of Operations."

           NATIONAL BANCSHARES CORPORATION OF TEXAS AND SUBSIDIARIES

<TABLE>
<CAPTION>


                                                                                                                          SEVEN
                                                                                                                          MONTHS
                                                                                 YEAR ENDED DECEMBER 31,                  ENDED
                                                                                 -----------------------                  ------

STATEMENT OF INCOME DATA: (dollars in thousands)                 1996          1995           1994           1993           1992
                                                                 ----          ----           ----           ----           ----
<S>                                                          <C>           <C>           <C>            <C>            <C>       
   Interest income .......................................   $  20,820     $  18,955     $   15,985     $   14,904     $    8,969
   Interest expense ......................................       8,112         7,359          5,589          5,184          3,411
                                                             ---------     ---------     ----------     ----------     ----------
     Net interest income .................................      12,708        11,596         10,396          9,720          5,558
   Provision(Credit) for loan losses .....................          (5)         (855)          (990)        (1,290)        (2,540)
   Non-interest income ...................................       2,789         2,762          2,521          2,478          1,586
   Non-interest expense ..................................       9,586         9,149          8,491          8,587          5,347
   Income taxes ..........................................         206           159            440            707             20
   Extraordinary credit, net of tax ......................        --             219           --             --             --
                                                             ---------     ---------     ----------     ----------     ----------
     Net income ..........................................   $   5,710     $   6,124     $    4,976     $    4,194     $    4,317
                                                             =========     =========     ==========     ==========     ==========

COMMON SHARE DATA:**
   Net income before extraordinary credit ................   $    1.21     $    1.23     $     1.25     $     1.09     $     1.19
   Extraordinary credit, net of tax ......................        --            0.05           --             1.05            .39
   Book value ............................................        9.21          7.94           6.16           5.30           3.29
   Weighted average common and common
       equivalent shares outstanding .....................   4,715,010     4,785,132      3,988,185      3,846,651      3,624,452
BALANCE SHEET DATA (AT PERIOD END): (dollars in thousands)
   Total assets ..........................................   $ 327,918     $ 270,092     $  264,487     $  231,773     $  223,847
   Investments and federal funds sold ....................     184,021       152,677        155,364        120,287        113,647
   Total loans ...........................................     113,258        91,588         90,448         90,814         93,667
   Allowance for loan losses .............................       2,408         1,906          2,495          3,005          4,415
   Total deposits ........................................     279,755       231,937        229,054        202,327        203,262
   Other debt ............................................       3,995           366          4,361          8,336          7,750
   Total stockholders' equity ............................      42,909        35,977         29,386         20,176         15,976
PERFORMANCE DATA:
   Return on average total assets ........................        1.97%         2.31%          2.06%          1.85%          3.37%
   Return on average stockholders' equity ................       14.73%        18.25%         21.54%         24.32%         56.93%
   Net interest margin (tax equivalent) ..................        4.80%         4.77%          4.70%          4.67%          4.76%
ASSET QUALITY RATIOS:
   Non-performing loans to total loans ...................        1.77%         1.70%          2.00%          2.93%          5.51%
   Net loan charge-offs (recoveries) to average loans ....       -0.04%        -0.29%         -0.54%            13%          0.24%
   Allowance for loan losses to total loans ..............        2.13%         2.08%          2.76%          3.31%          4.71%
CAPITAL RATIOS:
   Average stockholders' equity to average total assets ..       13.35%        12.65%          9.57%          7.59%          5.92%
   Tier 1 risk-based capital * ...........................       33.58%        35.77%         28.14%         20.82%           (A)
   Total risk-based capital* .............................       34.84%        37.18%         29.39%         22.09%           (A)
   Leverage ratio* .......................................       13.67%        13.28%         10.57%          8.79%           (A)


</TABLE>

(A)  Data not available
*    Calculated in accordance with Federal Reserve guidelines currently in
     effect.
**   Restated to reflect eight-for-one reverse stock split effective on
     September 12, 1994.



                                      11
<PAGE>   12

SELECTED QUARTERLY CONSOLIDATED FINANCIAL DATA

         Selected quarterly consolidated financial data is presented in the
following tables for the years ended December 31, 1996 and 1995. (Dollars in
thousands, except per share data):



<TABLE>
<CAPTION>
                                                             1996 QUARTER ENDED (UNAUDITED)
                                                             ------------------------------
                                                  MARCH 31,      JUNE 30,    SEPTEMBER 30,   DECEMBER 31,
                                                  ---------      --------    -------------   ------------
<S>                                                <C>           <C>            <C>           <C>
Interest income ............................       $ 4,826       $ 5,002        $ 5,143       $ 5,848
Interest expense ...........................         1,896         1,927          1,995         2,293
                                                   -------       -------        -------       -------
Net interest income ........................         2,930         3,075          3,148         3,555
Provision (credit) for loan losses .........            20            10             10           (45)
Loss on sales of available for sale ........          --              (1)          --              (6)
Noninterest income .........................           739           602            727           728
Noninterest expense ........................         2,235         2,381          2,310         2,661
                                                   -------       -------        -------       -------
Income before provision for
 federal income taxes ......................         1,414         1,285          1,555         1,661
                                                   -------       -------        -------       -------
Federal income taxes .......................            53            33             37            83
                                                   -------       -------        -------       -------
Net income .................................       $ 1,361       $ 1,252        $ 1,518       $ 1,578
                                                   -------       -------        -------       -------
Net earnings per share .....................       $  0.29       $  0.27        $  0.32       $  0.33
                                                   -------       -------        -------       -------
</TABLE>



<TABLE>
<CAPTION>
                                                              1995 QUARTER ENDED (UNAUDITED)
                                                              ------------------------------
                                                  MARCH 31,       JUNE 30,     SEPTEMBER 30,  DECEMBER 31,
                                                  ---------       --------     -------------  ------------
<S>                                                <C>            <C>           <C>             <C>
Interest income ............................       $ 4,548        $ 4,680        $ 4,780        $ 4,949
Interest expense ...........................         1,758          1,824          1,897          1,883
                                                   -------        -------        -------        -------
Net interest income ........................         2,790          2,856          2,883          3,066
Provision (credit) for loan losses .........            30           (240)          (300)          (345)
Gain (loss) on sales of
 available for sale securities .............            (1)          --                1             (1)
Noninterest income .........................           603            567            849            744
Noninterest expense ........................         2,197          2,301          2,138          2,513
                                                   -------        -------        -------        -------
Income before provision for federal
 income taxes and extraordinary gain .......         1,165          1,362          1,895          1,641
Federal income taxes .......................            32             28             44             53
Extraordinary gain on prepayment of debt ...           219           --             --             --
                                                   -------        -------        -------        -------
Net income .................................       $ 1,352        $ 1,334        $ 1,851        $ 1,588
                                                   -------        -------        -------        -------
Net earnings per share .....................       $  0.28        $  0.28        $  0.39        $  0.33
                                                   -------        -------        -------        -------
</TABLE>


                                      12
<PAGE>   13

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

         Management's Discussion and Analysis of Financial Condition and
Results of Operations of the Company analyzes the major elements of the
Company's consolidated balance sheets and statements of income. This discussion
should be read in conjunction with the Consolidated Financial Statements,
accompanying notes, and selected financial data appearing elsewhere in this
Report.

RESULTS OF OPERATIONS

         Net income for 1996 was $5.7 million, a decrease of $414,000 or 6.8%
over the $6.1 million recorded in 1995. 1995 included two nonrecurring items, a
$223,000 extraordinary gain on the prepayment of debt and an $855,000 credit to
the provision for loan losses. Net income for 1995 adjusted for the
nonrecurring items would have been $5.0 million. Compared to the adjusted 1995
net income, 1996 reflects an increase of $665,000 or 14%. The increase was due
primarily to a 9.6% increase in net interest income in 1996 from 1995. Also in
1996, noninterest expense increased 4.8%, from $9.1 million to $9.6 million,
which is primarily due to the depreciation expense related to the new branch in
Eagle Pass which was completed in late 1995 and new data processing equipment
purchased in the last quarter of 1995 and throughout 1996. On a weighted
average share basis, net income for 1996 was $1.21 compared to $1.23 for 1995
before the extraordinary credit.

         During 1996, the Company's Return on Assets was 1.97% compared to
2.31% and 2.06% for 1995 and 1994, respectively. The Company's Return on Equity
for 1996 was 14.73% compared to 18.25% and 21.54% for 1995 and 1994,
respectively. The decline in the return on equity ratio is mainly attributable
to an increase in the capital of the Company. The Company's strong capital
position is reflected in the ratio of average stockholders' equity to average
total assets which was 13.35%, 12.65%, and 9.57% for 1996, 1995 and 1994,
respectively.

         Net income for 1995 was $6.1 million compared to $5.0 million in 1994.
The $1.1 million increase was primarily attributable to an improvement of $1.2
million in net interest income for 1995. Net income in 1995 and 1994 also
benefited from credits to the loan loss provision of $855,000 and $990,000,
respectively, due to the continued improvement in loan quality.

         The following table shows selected key performance ratios over the
last three years:

<TABLE>
<CAPTION>
                                                              1996     1995     1994
                                                              ----     ----     ----
<S>                                                         <C>        <C>      <C>              <C>
Return on average assets                                       1.97%    2.31%    2.06%

Return on average stockholders' equity*                       14.73%   18.25%   21.54%

Average stockholders' equity* to average total assets         13.35%   12.65%    9.57%
</TABLE>

- -----------
* before adjustment for unrealized gains and losses on available for sale
  securities.

         The return on average assets ratio is calculated by dividing net
income by average total assets for the year. The return on average
stockholders' equity ratio is calculated by dividing net income by average
stockholders' equity for the year, excluding the effect of the net unrealized
gain or loss on available for sale securities. The average stockholders' equity
to average total assets ratio is calculated by dividing average stockholders'
equity for the year by average total assets for the year.

         NET INTEREST INCOME. Net interest income constitutes the principal
source of income for the Company and represents the difference between interest
income on earning assets and interest expense on interest-bearing liabilities.
The largest category of earning assets for 1996 was investment securities with
the second largest being loans. Net interest income for 1996 was $12.7 million,
an increase of $1.1 million or 9.5% compared to 1995. The net increase
reflected a $1.9 million increase in interest income which was offset by a $.8
million increase in interest expense. The interest income increase was due
primarily to an increase in the investment security and loan portfolios.
Average investment securities and average loans in 1996 increased 12% and 6%,
respectively, over 1995. The Company's yield on earning assets increased to
7.84% from 7.80% in 1995. The rate paid on interest bearing liabilities
increased 3 basis points from 3.83% in 1995 to 3.86% in 1996.


                                      13


<PAGE>   14
The net interest margin is the net return on earning assets which is computed
by dividing taxable equivalent net interest income by average total earning
assets. The net interest margin for 1996 was 4.80% compared to 4.77% and 4.70%
for 1995 and 1994, respectively. This increase in the net interest margin for
1996 and 1995 results from increases in the volume of earning assets. The net
interest spread increased one basis point to 3.98% in 1996 from 3.97% in 1995.



<TABLE>
<CAPTION>
                            --------------------------------------------------------------------------------------------------
                                                                   Year Ended December 31,
                            --------------------------------------------------------------------------------------------------
                                          1996                              1995                             1994
                            ---------------------------------  -----------------------------  --------------------------------
INTEREST EARNED/                           Interest   Average              Interest  Average             Interest      Average
INCURRED & RATES              Average       Income/    Yield/  Average      Income/   Yield/  Average     Income/      Yield/
(Dollars in thousands)        Balance       Expense     Rate   Balance      Expense    Rate   Balance     Expense       Rate
- --------------------------   ---------     ---------    ----   --------     -------    ----   --------   ---------      ---- 
<S>                          <C>           <C>          <C>    <C>          <C>        <C>    <C>        <C>            <C>  
EARNING ASSETS:
 Interest-bearing accounts   $     230     $      14    6.08%  $    423     $    26    6.15%  $    246   $      13      5.28%
 Federal funds sold ......      18,997         1,039    5.46%    18,701       1,092    5.84%    15,902         684      4.30%
 Investment securities:
  US Treasuries ..........     141,333         8,752    6.19%   127,502       7,569    5.94%   110,699       6,012      5.42%
  US Government agencies .       4,280           291    6.80%     4,867         320    6.57%     5,282         318      6.00%
  States & political
    subdivisions .........          11             1    9.09%        30           2    6.67%       354           2      0.57%
  Other ..................       3,371           100    2.96%       281          18    6.41%       322          19      5.82%
                             ---------     ---------    ----   --------     -------    ----   --------   ---------      ---- 
 Total investment                                                                                                            
   securities ............     148,995         9,144    6.13%   132,680       7,909    5.96%   116,657       6,351      5.43%
 Loans, net of discounts (A)    96,787        10,634   10.99%    91,357       9,948   10.89%    89,190       8,969     10.03%
                             ---------     ---------    ----   --------     -------    ----   --------   ---------      ---- 
    
Total earning assets .....     265,009        20,831    7.86%   243,161      18,975    7.80%   221,995      16,017      7.20%
NON-INTEREST BEARING
 ASSETS:
 Cash and due from banks .      12,829                           12,048                         11,060
 Allowance for loan losses      (2,117)                          (2,353)                        (2,972)
 Other assets ............      14,507                           12,411                         11,327
                             ---------                         --------                       --------    
Total assets .............   $ 290,228                         $265,267                       $241,410
                             =========                         ========                       ========                       
INTEREST-BEARING
 LIABILITIES:
 NOW accounts ............   $  33,342           953    2.86%  $ 32,127         985    3.05%  $ 30,603         810      2.65%
 Savings, money market
   & CD's ................     175,711         7,086    4.03%   157,910       6,214    3.94%   144,924       4,246      2.93%
 Other debt ..............       1,282            73    5.69%     2,022         160    7.91%     6,428         533      8.29%
                             ---------     ---------    ----   --------     -------    ----   --------   ---------      ---- 
TOTAL INTEREST-BEARING
  LIABILITIES ............     210,335         8,112    3.86%   192,059       7,359    3.83%   181,955       5,589      3.07%
Non-interest bearing
 liabilities:                                                                                                              
 Demand deposits .........      39,489                           37,667                         35,119
 Other liabilities .......       1,590                            1,261                          1,240
                             ---------                         --------                       --------                       
Total liabilities ........     251,414                          230,987                        218,314
                             ---------                         --------                       --------                       
Redeemable Preferred
  Stock ..................          59                              715                             --
Stockholders' equity .....      38,755                           33,565                         23,096
                             ---------                         --------                       --------                       
Total liabilities and 
  stockholders' equity ...   $ 290,228                        $ 265,267                        241,410
                             =========                        =========                        =======           
Taxable-equivalent
  net interest income ....                    12,719                         11,616                         10,428
Taxable equivalent
  adjustment .............                        11                             20                             32
                                           ---------                        -------                      ---------           
Net interest income ......                $   12,708                      $  11,596                        $10,396
                                           =========                        =======                      =========            
Net interest spread (B) ..                              3.98%                          3.97%                            4.14%
                                                        ====                           ====                             ==== 
Net interest margin (C) ..                              4.80%                          4.77%                            4.70%
                                                        ====                           ====                             ==== 

</TABLE>


(A) Non-accrual loans are included in the average balances used in calculating
    this table.

(B) The net interest spread is the difference between the average rate on total
    interest-earning assets and interest- bearing liabilities.

(C) The net interest margin is the taxable-equivalent net interest income
    divided by average earning assets.


                                      14


<PAGE>   15
         The following table analyzes the increases in taxable-equivalent net
interest income stemming from changes in interest rates and from asset and
liability volume, including mix, for the years ended December 31, 1996 and
1995. Non- accruing loans have been included in assets for calculating this
table, thereby reducing the yield on loans. The changes in interest due to both
rate and volume in the table below have been allocated to volume or rate change
in proportion to the absolute amounts of change in each.



         ANALYSIS OF CHANGES IN TAXABLE EQUIVALENT NET INTEREST INCOME



<TABLE>
<CAPTION>
                                                      1996 VS. 1995                           1995 VS. 1994
                                              --------------------------------------------------------------------------
                                                             DUE TO CHANGES IN                        DUE TO CHANGES IN
                                               INCREASE     -------------------       INCREASE       -------------------
                                              (DECREASE)    RATES        VOLUME      (DECREASE)      RATES        VOLUME
                                              ----------    -----        ------      ----------      -----        ------
                                                                     (Dollars in thousands)
<S>                                          <C>             <C>       <C>           <C>           <C>           <C>    
TAXABLE-EQUIVALENT INTEREST INCOME:
   Interest-bearing accounts ..........      $   (12)      $  --       $   (12)      $    13       $     4       $     9
   Federal funds sold .................          (53)        (70)           17           408           288           120
   Investment securities ..............        1,235         238           997         1,558           683           875
   Loans, net of discounts ............          686          93           593           979           761           218
                                             -------       -----       -------       -------       -------       -------
     Total taxable-equivalent
       interest income ................        1,856         261         1,595         2,958         1,737         1,221
                                             -------       -----       -------       -------       -------       -------
INTEREST EXPENSE:
   Interest-bearing deposits ..........          840         112           728         2,143         1,593           550
   Other debt .........................          (87)        (29)          (58)         (373)          (24)         (349)
                                             -------       -----       -------       -------       -------       -------
     Total interest expense ...........          753          83           670         1,770         1,569           201
                                             -------       -----       -------       -------       -------       -------
TAXABLE-EQUIVALENT
   NET INTEREST INCOME ................      $ 1,103       $ 178       $   925       $ 1,188       $   168       $ 1,020
                                             =======       =====       =======       =======       =======       =======
 
</TABLE>


         Taxable-equivalent net interest income for 1996 increased $1.1 million
or 9.5% over 1995. Taxable-equivalent net interest income for 1995 increased
$1.2 million or 3% over 1994. In 1996 and 1995, interest income increased as
the volume of earning assets rose.


                                      15


<PAGE>   16

         INTEREST RATE SENSITIVITY. Management seeks to maintain consistent
growth of net interest income through periods of changing interest rates by
avoiding fluctuating net interest margins. Interest rate sensitivity is the
relationship between changes in market interest rates and changes in net
interest income due to repricing characteristics of interest earning assets and
liabilities.

         The following table commonly referred to as a "static gap report,"
indicates the Company's interest rate sensitivity position at December 31, 1996
and may not be reflective of positions in subsequent periods:

                 INTEREST-RATE SENSITIVE ASSETS AND LIABILITIES
                             (Dollars in thousands)

<TABLE>
<CAPTION>
                                                                                                         NON-RATE
                                                      RATE SENSITIVE                                     SENSITIVE
                                         --------------------------------------                          ---------
                                         IMMEDIATELY      WITHIN        WITHIN                             OVER
                                          0-30 DAYS      90 DAYS       ONE YEAR             TOTAL         ONE YEAR         TOTAL
                                          ---------      -------       --------             -----         --------         -----
<S>                                       <C>              <C>             <C>             <C>              <C>           <C>     
EARNING ASSETS:
  Loans, net of discounts ........        $  52,281        $  6,488        $ 20,550        $  79,319        $ 33,939      $113,258
  Investment securities ..........              605           5,068          31,272           36,945         123,897       160,842
  Federal funds sold .............           22,650            --              --             22,650            --          22,650
  Interest-bearing accounts ......              529            --              --                529            --             529
                                          ---------        --------        --------        ---------        --------      --------
Total earning assets ...........          $  76,065        $ 11,556        $ 51,822        $ 139,443        $157,836      $297,279
                                          =========        ========        ========        =========        ========      ========


INTEREST-BEARING LIABILITIES:
  Interest-bearing transaction,
  savings and money market .......        $  97,871        $   --          $   --          $  97,871        $   --        $ 97,871
  Certificates and time deposits..           26,595          35,728          65,486          127,809           7,458       135,267
  Long term debt .................            3,640               2               8            3,650             345         3,995
                                          ---------        --------        --------        ---------        --------      --------
  Total interest-bearing
  liabilities ....................        $ 128,106        $ 35,730        $ 65,494        $ 229,330        $  7,803      $237,133
                                          =========        ========        ========        =========        ========      ========

INTEREST SENSITIVITY GAP .........        $ (52,041)       $(24,174)       $(13,672)       $ (89,887)
                                          =========        ========        ========        =========                               
CUMULATIVE GAP ...................        $ (52,041)       $(76,215)       $(89,887)       $ (89,887)
                                          =========        ========        ========        =========                               
RATIO OF EARNING ASSETS TO
  INTEREST-BEARING LIABILITIES ...            59.4%            32.3%           79.1%            60.8%

</TABLE>



         The interest rate sensitivity table reflects a cumulative liability
sensitive position during the one year period shown. Generally, this indicates
that the liabilities reprice more quickly than the assets in a given period,
and that a decline in market rates will benefit net interest income. An
increase in market rates would have the opposite effect.



                                      16

<PAGE>   17

         NON-INTEREST INCOME. The major components of non-interest income are
service charges and fees earned on deposit accounts. The following table
summarizes changes in non-interest income during the past three years:

                              NON-INTEREST INCOME
                             (Dollars in thousands)

<TABLE>
<CAPTION>
                                                                        FOR THE YEAR ENDED DECEMBER 31,
                                                            -----------------------------------------------------------
                                                                  1996                        1995               1994
                                                            -----------------------------------------------------------            
                                                                            %                           %
                                                            AMOUNT        CHANGE        AMOUNT        CHANGE     AMOUNT
                                                            ------        ------        ------        ------     ------
                 <S>                                        <C>             <C>         <C>             <C>        <C>
Service charges and fees .............................      $ 2,371         8.6%        $ 2,184         11.6%    $1,957
Net realized gains (losses) on sales of securities ...           (6)      535.1%             (1)      -102.0%        50
Net gains on sales of other real estate
owned and other assets ...............................          103       -71.6%            365         53.2%       237
Miscellaneous income .................................          321        49.7%            214        -22.0%       277
                                                            -------         ---         -------         ----     ------

Total non-interest income ............................      $ 2,789         1.0%        $ 2,762          9.6%    $2,521
                                                            =======       =====         =======        =====     ======
</TABLE>


         The $27,000 or 1.0% increase in non-interest income for 1996 from 1995
is due primarily to the 8.6% increase in service charges and fees. The
improvement in service charges and fees can be partly attributed to a 10%
increase in average deposits in 1996. Included in 1996 is non-recurring income
of $97,000 due to net gains and losses on other real estate owned and
investment securities which was less than the $364,000 reported in 1995.
Therefore, the increase in 1996, disregarding the non-recurring items, would be
$294,000 or 12.2% over 1995.

         Non-interest income for 1995 was $241,000 or 9.6% higher than 1994
primarily due to an 11.6% increase in service charges and fees.

         NON-INTEREST EXPENSE. Non-interest expense includes all expenses of
the Company other than interest expense, loan loss provision and income tax
expense. The following table summarizes the changes in non-interest expense for
the past three years:

                              NON-INTEREST EXPENSE
                             (Dollars in thousands)


<TABLE>
<CAPTION>
                                                        FOR THE YEAR ENDED DECEMBER 31,
                                            -----------------------------------------------------
                                                   1996                     1995            1994
                                            -----------------------------------------------------
                                                            %                      %
                                            AMOUNT       CHANGE     AMOUNT       CHANGE    AMOUNT
                                            ------       ------     ------       ------    ------
<S>                                         <C>             <C>     <C>            <C>     <C>   
Salaries and employee benefits .......      $4,848          9.7%    $4,420         3.9%    $4,253
Occupancy and equipment expenses .....       1,544         28.8%     1,198         7.4%     1,115
Data processing fees .................         418        -35.5%       648         2.9%       630
FDIC insurance .......................           6        -97.7%       257       -42.8%       449
Insurance ............................         109        -10.7%       122        -7.6%       132
Office supplies ......................         375         27.1%       295        18.0%       250
Postage and courier ..................         379         13.8%       333        29.1%       258
Professional fees ....................         689        -17.3%       833        32.0%       631
Goodwill .............................          35        100.0%       --          0.0%       --
Miscellaneous other expenses .........       1,183         13.4%     1,043        34.9%       773
                                            ------        -----     ------       -----     ------
Total non-interest expense ...........      $9,586          4.8%    $9,149         7.7%    $8,491
                                            ======        =====     ======       =====     ======
</TABLE>

                                      17



<PAGE>   18
         Total non-interest expense for 1996 increased 4.8% over 1995. However,
as a percentage of average assets, non-interest expense declined slightly from
3.4% in 1995 to 3.3% in 1996. The increase in non-interest expenses is
reflected in occupancy and equipment expenses and salaries and benefit expense.
Salaries and benefits rose 9.7% in 1996 due to salary merit increases,
incentive compensation increases, the addition of employees to operate the new
Eagle Pass branch, the new data center and the acquisition of FNB-Luling in
September 1996. The number of full time equivalent employees increased by 21
employees in 1996 from 1995 to a total of 169. The 28.8% increase in occupancy
and equipment expenses is due to the depreciation expense on the new branch
facility in Eagle Pass, Texas and the addition of new data processing equipment
purchased in the latter half of 1995 and throughout 1996. Some of the decline
in data processing expense is reflected in the increase in equipment expense
due to the Company going "in-house" for data processing. The 97.7% decline in
FDIC insurance premiums on deposits occurred as a result of a reduction in the
rates previously being charged by the FDIC.

         Non-interest expense of $9.1 million for the year ended 1995
represented an increase of 7.7% compared with 1994. The 32% increase in
professional fees was due to fees incurred in initially complying with the
reporting requirements of the Securities and Exchange Commission.

         INCOME TAXES. The Company recognized income tax expense of $206,000 in
1996 compared to $159,000 in 1995 and $440,000 in 1994. See Note 16 to the
Consolidated Financial Statements for details of tax expense. At December
31, 1996, the Company had approximately $107 million in net operating loss
carryforwards that will be available to reduce income tax liabilities in future
years. If unused, approximately $103 million of such carryforwards will expire
in 2005, with the remaining approximately $4 million expiring in 2006.

         INVESTMENT SECURITIES. The following table presents the consolidated
investment securities portfolio as of December 31, 1996, by stated maturity
with the weighted average interest yield for each range of maturities. Federal
Reserve Bank stock and other equity securities are included in the
classification "over ten years".

                    INVESTMENT PORTFOLIO MATURITY AND YIELDS
                             (Dollars in thousands)





<TABLE>
<CAPTION>
                                 -------------------------------------------------------------------------------------------
                                                                  December 31, 1996
                                 -------------------------------------------------------------------------------------------
                                      One Year             One to              Five to              Over Ten
                                      or Less            Five Years           Ten Years              Years
                                 ------------------- -------------------- -------------------  -----------------------------
                                 Amount     Yield     Amount     Yield     Amount    Yield      Amount    Yield     Total
                                 --------  --------- ---------  --------  --------- ---------  --------- --------- ---------
<S>                              <C>          <C>     <C>         <C>           <C>    <C>          <C>             <C>    
Held to maturity securities:
 (Amortized Cost)
U.S. Treasury securities ....... $17,757      5.85%  $ 51,643     6.54%        $ 2     2.00%     $   --        --  $ 69,402
U.S. Government agency and
  mortgage backed securities....      --         --        --        --         --        --      3,184     6.69%     3,184
State and Municipal securities..      --         --        --        --         --        --         --        --        --
Foreign debt securities.........      --         --        13     6.06%         50     7.70%         --        --        63
                                 --------  --------- ---------  --------  --------- ---------  --------- --------- ---------

  Total held to maturity........ $17,757      5.85%  $ 51,656     6.54%        $52     7.48%     $3,184     6.69%  $ 72,649
                                 ========  ========= =========  ========  ========= =========  ========= ========= =========

Available for sale securities: 
 (Fair Value)
U.S. Treasury securities........ $18,599      6.06%  $ 62,047     6.05%        $--        --     $   --        --  $ 80,646
U.S. Government agency and
  mortgage backed securities....   1,291      6.79%     1,202     7.14%         --        --        126     8.51%     2,619
Other securities................      --         --        --        --         --        --      4,928     3.24%     4,928
                                 --------  --------- ---------  --------  --------- ---------  --------- --------- ---------

  Total available for sale...... $19,890      6.10%  $ 63,249     6.07%        $--        --     $5,054     3.37%  $ 88,193
                                 ========  ========= =========  ========  ========= =========  ========= ========= =========

   Total investment securities.. $37,647      5.98%  $114,905     6.28%        $52     7.48%     $8,238     4.65%  $160,842
                                 ========  ========= =========  ========  ========= =========  ========= ========= =========
</TABLE>

         The weighted average yield on the investment security portfolio of the
Company at December 31, 1996 was 6.13% compared to a weighted average yield of
5.74% at December 31, 1995. See Note 1 of the Notes to the Consolidated
Financial Statements for a discussion regarding the investment classifications
held to maturity and available for sale.



                                      18

<PAGE>   19
         Note 3 to this report reflects the estimated fair value for various
categories of investment securities as of December 31, 1996 and 1995.

         The following table presents the book value of investment securities
at December 31:
<TABLE>  
<CAPTION>

                                                         DECEMBER 31,
                                               ---------------------------------
                                                    (Dollars in Thousands)
                                                  1996        1995       1994
                                               ---------   ---------   ---------
<S>                                            <C>         <C>         <C>
U.S. Treasury securities ....................  $ 149,400   $ 125,537   $ 131,170
U.S. Government agencies and corporations ...      4,132          --         168
Mortgage backed securities ..................      1,638       4,529       5,064
Other securities ............................      4,247       1,464         565
                                               ---------   ---------   ---------
   Total ....................................  $ 159,417   $ 131,530   $ 136,967
                                               =========   =========   =========
</TABLE>


         LOANS.   The following table presents the composition of the Company's
loan portfolio by type of loan:

                                 LOAN PORTFOLIO
                             (Dollars in thousands)


<TABLE>
<CAPTION>
                                                                     DECEMBER 31,
                               ----------------------------------------------------------------------------------------------------
                                          % OF                 % OF                 % OF                 % OF                 % OF
                               1996       TOTAL      1995      TOTAL     1994       TOTAL     1993       TOTAL     1992       TOTAL
                              -------     -----    -------     -----    -------     -----    -------     -----    -------     -----
<S>                           <C>          <C>     <C>         <C>      <C>         <C>     <C>           <C>     <C>         <C>  
Commercial ................   $23,992      21.2%   $13,643      14.9%   $15,175      16.8%   $13,095      14.4%   $14,314     15.3%
Real estate construction ..     6,324       5.6%    11,868      13.0%    10,085      11.2%     8,329       9.2%     9,587     10.2%
Real estate mortgage ......    65,556      57.9%    51,664      56.4%    49,406      54.6%    47,347      52.1%    41,881     44.7%
Consumer installment
net of unearned discount...    17,386      15.3%    14,413      15.7%    15,782      17.4%    22,043      24.3%    27,885     29.8%
                             --------     -----     ------     -----    -------     -----    -------     -----    -------    ----- 
Total loans ...............  $113,258     100.0%   $91,588     100.0%   $90,448     100.0%   $90,814     100.0%   $93,667    100.0%
                             ========     =====    =======     =====    =======     =====    =======     =====    =======    ===== 
</TABLE>

         The preceding loan composition table shows that in 1996 total loans
increased $21.7 million or 23.7% over 1995. Approximately $14.7 million of this
increase was due to the loans obtained in connection with the FNB-Luling
acquisition. At December 31, 1996, loans were 40.5% of deposits compared to
39.5% at the previous year end.

         The following table presents commercial and real estate construction
loans as of December 31, 1996, based on scheduled principal repayments and the
total amounts of loans due after one year classified according to sensitivity
to changes in interest rates:

                    MATURITIES AND RATE SENSITIVITY OF LOANS
                             (Dollars in thousands)

<TABLE>
<CAPTION>
                                                       OVER ONE YEAR   OVER
                                             ONE YEAR     THROUGH      FIVE
                                              OR LESS    FIVE YEARS    YEARS    TOTAL
                                              -------   -----------    -----    -----
<S>                                           <C>          <C>         <C>      <C>    
Commercial................................    $19,848      $4,029      $  115   $23,992
Real estate construction .................      3,087       2,166       1,071     6,324
                                              -------      ------      ------   -------

Total ....................................    $22,935      $6,195      $1,186   $30,316
                                              =======      ======      ======   =======
</TABLE>

         Of the loans maturing after one year, $2,324,000 have fixed interest
rates and $5,057,000 have variable interest rates.


                                      19


<PAGE>   20
         ALLOWANCE FOR POSSIBLE LOAN LOSSES. The allowance for loan losses is
established through charges to operations in the form of a provision for loan
losses. Loans, or portions thereof, which are considered to be uncollectible
are charged against the allowance and subsequent recoveries, if any, are
credited to the allowance. The allowance represents the amount, which in the
judgment of each subsidiary Bank's management, will be adequate to absorb
possible losses. The adequacy of the allowance is determined by management's
continuous evaluation of the loan portfolio and by the employment of third
party loan review consultants. Industry concentrations, specific credit risks,
past loan loss experience, delinquency ratios, current loan portfolio quality
and projected economic conditions in the Bank's market areas are pertinent
factors in determining the adequacy of the allowance for possible loan losses.
Loans identified as losses by management, external loan review or bank
examiners are charged-off.

         Despite loan growth in 1996, a credit to the provision for loan losses
of $5,000 was made to reduce the allowance for loan losses to an appropriate
level. Credits to the provision for loan losses were also made in 1995 and 1994
in the amounts of $855,000 and $990,000, respectively. The aggregate total of
credits made to the provision for loan losses since the 1992 reorganization
amounts to $5,680,000 and was a significant contribution to the improved
capitalization of the Company. The improvement in credit quality of the loan
portfolio and recoveries of previously charged-off loans that provided
unanticipated additions to the allowance for possible loan losses justify the
credits made to the allowance. The Company recorded net recoveries of $40,000
for the year ended December 31, 1996 compared to net recoveries of $266,000 for
1995.

         The following table summarizes, for the periods presented, the
activity in the allowance for possible loan losses arising from provisions
credited to operations, loans charged off and recoveries of loans previously
charged off:

                 ANALYSIS OF ALLOWANCE FOR POSSIBLE LOAN LOSSES
                             (Dollars in thousands)

<TABLE>
<CAPTION>
                                                                                                                ------
                                                          -----------------------------------------------       SEVEN
                                                                        YEAR ENDED DECEMBER 31,                 MONTHS
                                                          -----------------------------------------------       ENDED
                                                           1996          1995         1994          1993         1992
                                                           ----          ----         ----          ----        ------
<S>                                                       <C>          <C>          <C>          <C>          <C>     
Average loans outstanding .............................   $ 94,671     $ 91,357     $ 89,190     $ 91,233     $ 96,982
                                                          ========     ========     ========     ========     ========
Balance at beginning of year ..........................   $  1,906     $  2,495     $  3,005     $  4,415     $  7,191
Allowance on acquired loans ...........................        467         --           --           --           --
Charge-Offs:
Commercial ............................................         76           60           16          286          (A)
Real estate construction ..............................       --           --             10           12          (A)

Real estate mortgage ..................................       --              6           45            2          (A)
Consumer installment ..................................        175          264          249          680          935
                                                          --------     --------     --------     --------     --------
Total charge-offs .....................................        251          330          320          980          935
Recoveries:
Commercial ............................................         39           69           73          133          (A)
Real estate construction ..............................       --           --            100           56          (A)
Real estate mortgage ..................................         70          285          210          159          (A)
Consumer installment ..................................        182          242          417          512          699
                                                          --------     --------     --------     --------     --------
Total recoveries ......................................        291          596          800          860          699
                                                          --------     --------     --------     --------     --------
Net charge-offs (recoveries) ..........................        (40)        (266)        (480)         120          236
Provision charged (credited) to operating expense .....         (5)        (855)        (990)      (1,290)      (2,540)
                                                          --------     --------     --------     --------     --------
Balance at end of year ................................   $  2,408     $  1,906     $  2,495     $  3,005     $  4,415
                                                          ========     ========     ========     ========     ========
Net charge-offs (recoveries) as a percentage of
average loans outstanding .............................      -0.04%       -0.29%       -0.54%        0.13%         .24%
                                                              ====         ====         ====         ====          === 
Allowance for possible loan losses as a percentage
of year-end loans, net of unearned discount ...........       2.13%        2.08%        2.76%        3.31%        4.71%
                                                              ====         ====         ====         ====         ==== 

</TABLE>
(A) Detail not available. Amount included with consumer installment loans.


                                      20


<PAGE>   21
         The following table reflects the allocation of the allowance for
possible loan losses to the various loan categories and the corresponding
percentage of total loans that it represents. Management believes that the
allowance can be allocated by category only on an approximate basis.

                ALLOCATION OF ALLOWANCE FOR POSSIBLE LOAN LOSSES
                             (Dollars in thousands)


<TABLE>
<CAPTION>
                                      ---------------------------------------------------------------------------------------
                                                                          DECEMBER 31,
                                      ---------------------------------------------------------------------------------------
                                              1996            1995          1994            1993                 1992
                                      ------------------  -------------  -------------  ----------------    -----------------
                                                   % OF           % OF           % OF              % OF                 % OF
                                                   TOTAL          TOTAL          TOTAL             TOTAL                TOTAL
                                         AMOUNT    LOANS  AMOUNT  LOANS  AMOUNT  LOANS  AMOUNT     LOANS    AMOUNT      LOANS
                                         ------    -----  ------  -----  ------  -----  ------     -----    ------      -----
<S>                                   <C>          <C>  <C>       <C>   <C>      <C>  <C>           <C>  <C>             <C>  
Commercial ..................         $  131      0.12% $  306    0.33% $  195   0.22% $  243       0.27%  $   377       0.40%
Real estate construction ....             --       --       --     --      --     --       --        --          3       0.00%
Real estate mortgage.........            614      0.54%    729    0.80%    811   0.90%    729       0.80%    1,098       1.17%
Consumer installment.........            185      0.16%    255    0.28%    370   0.41%    658       0.72%      516       0.55%
Unallocated .................          1,478      1.31%    616    0.67%  1,119   1.24%  1,375       1.51%    2,421       2.59%
                                      ------      ----     ---    ----   -----   ----   -----       ----     -----       ---- 

Total                                 $2,408      2.13% $1,906    2.08% $2,495   2.76% $3,005       3.31%  $ 4,415       4.71%
                                      ======      ====  ======    ====  ======   ====  ======       ====   =======       ==== 
</TABLE>


         Allocation of a portion of the allowance does not preclude its
availability to absorb losses in other categories. The allocation is determined
by providing specific reserves against each criticized loan plus an unallocated
portion against the remaining portfolio based on experience factors.

         NON-PERFORMING ASSETS. Non-performing assets consist of non-accrual
loans and foreclosed real estate. Loans to a customer whose financial condition
has deteriorated are considered for non-accrual status whether or not the loan
is ninety days or more past due. All installment loans past due ninety days or
more are placed on non-accrual unless the loan is well secured or in the
process of collection. On non-accrual loans, interest income is not recognized
until actually collected. At the time the loan is placed on non-accrual status,
interest previously accrued but not collected is reversed and charged against
current income.

         Foreclosed real estate consists of property which has been acquired
through foreclosure. At the time of foreclosure, the property is recorded at
the lower of the estimated fair value less selling expenses or the loan balance
with any write down charged to the allowance for loan losses. Any future write
downs on the property are charged to operations.

         The following table discloses non-performing assets and loans 90 days
past due and still accruing interest as of December 31:

                             NON-PERFORMING ASSETS
                             (Dollars in thousands)


<TABLE>
<CAPTION>
                                                          ----------------------------------------------
                                                                            DECEMBER 31,
                                                          ---------------------------------------------- 
                                                            1996      1995      1994      1993      1992
                                                            ----      ----      ----      ----      ----
<S>                                                                    <C>       <C>       <C>       <C>
Non-accrual loans .....................................   $1,195    $1,177    $1,070    $1,350    $3,554
Restructured loans ...................................        90      --        --        --        --
Foreclosed real estate ................................      715       888       735     1,307     1,609
                                                             ---       ---       ---     -----     -----
Total non-performing assets ...........................   $2,000    $2,065    $1,805    $2,657    $5,163
                                                          ======    ======    ======    ======    ======
                                                                                                  
NON-PERFORMING ASSETS AS A PERCENTAGE OF:
Total assets ..........................................     0.61%     0.76%     0.68%     1.15%     2.27%
Total loans plus foreclosed real estate ...............     1.75%     2.23%     1.98%     2.88%     5.42%

Accruing loans past due 90 days or more ...............   $  182    $  383    $  151    $  154    $  227
</TABLE>



                                      21

<PAGE>   22
         Interest income that would have been earned in 1996 on non-accrual
loans had such loans performed in accordance with the original contracted terms
was $187,000. The amounts related to 1995 and 1994 were $115,000 and $117,000,
respectively.

         Independent third party loan reviews of the subsidiary Banks are
performed on an annual basis. The loans are also reviewed by banking regulators
on an eighteen month basis. On a monthly basis, the Board of Directors' Loan
Committee of each Bank reviews new loans, renewals and delinquencies.
Management of each Bank monitors on a continuing basis those loans which it
feels should be followed closely. The Banks are required by the regulatory
authorities to have foreclosed real estate appraised periodically.

         DEPOSITS. The primary source of funds for the Company is the deposits
of the subsidiary Banks. The Company does not accept brokered deposits. The
following table presents average balances and the corresponding average rate
paid for the deposit categories:

                    AVERAGE DEPOSITS AND AVERAGE RATES PAID
                             (Dollars in thousands)


<TABLE>
<CAPTION>
                                                     ---------------------------------------------------------------------
                                                                          YEAR ENDED DECEMBER 31,
                                                     ---------------------------------------------------------------------
                                                           1996                     1995                      1994
                                                     ------------------        ------------------       ------------------
                                                                   RATE                      RATE                    RATE
                                                     AMOUNT        PAID        AMOUNT        PAID       AMOUNT        PAID
                                                     ------        ----        ------        ----       ------        ----
<S>                                                 <C>                     <C>                     <C>            
Noninterest-bearing demand deposits ...........     $ 39,489          --    $ 37,667         --     $ 35,119     --
INTEREST-BEARING DEPOSITS:
Interest-bearing transaction (NOW) accounts ...       33,342         2.85%    32,127         3.05%    30,603        2.58%
Savings and money market accounts .............       54,928         2.90%    51,992         2.81%    51,488        2.55%
Certificates and time deposits under $100,000..       76,248         4.36%    68,654         4.30%    65,178        3.04%

Certificates and time deposits greater than
$100,000 ......................................       44,535         4.86%    37,264         4.85%    28,258        3.44%
                                                      ------         ----     ------         ----     ------        ---- 

Total interest-bearing deposits ...............      209,053                $190,037                $175,527         
                                                    --------                --------                 -------         
Weighted average rate paid ....................                      3.85%                   3.79%                  2.88%
                                                                     ====                    ====                   ==== 
Total average deposits ........................     $248,542                $227,704                $210,646        
                                                    ========                ========                ========        
</TABLE>


         Total average deposits increased $21 million or 9.2% with the majority
of the increase reflected in certificates of deposit greater than $100,000.
Included in total deposits is $83,677,000, $77,731,000, and $70,937,000 of
Mexican National deposits at December 31, 1996, 1995, and 1994, respectively.

         The remaining maturity on certificates of deposit greater than
$100,000 as of December 31, 1996 is presented below:  (Dollars in thousands)

<TABLE>
<CAPTION>
                               THREE           OVER THREE          OVER SIX            OVER
                               MONTHS            THROUGH           THROUGH            TWELVE
                               OR LESS          SIX MONTHS       TWELVE MONTHS         MONTHS              TOTAL
                               -------          ----------       -------------         ------              -----
<S>                           <C>                 <C>               <C>                <C>                <C>
Certificates of deposit
greater than $100,000          $ 21,650            $13,671           $15,160            $2,170             $52,651
                               ========            =======           =======            ======             =======
</TABLE>


                                      22


<PAGE>   23
LIQUIDITY

         Liquidity is the ability to have funds available at all times to meet
the commitments of the Company. Asset liquidity is provided by cash and assets
which are readily marketable or pledgeable or which will mature in the near
future. Liquid assets include cash and short-term investments in time deposits
in banks, federal funds sold and securities available for sale. Liquidity is
also provided by access to core funding sources, primarily core depositors in
the Company's trade area. The Banks have not and do not solicit brokered
deposits as a funding source. The liquidity of the Company is enhanced by the
fact that 77% of total deposits at December 31, 1996 were "core" deposits. Core
deposits, for this purpose, are defined as total deposits less public funds and
certificates of deposit greater than $100,000.

         At December 31, 1996, the Company's liquid assets amounted to $129
million or 39% of total gross assets, up from $102 million or 38% at December
31, 1995. Secondary sources of liquidity include the Company's ability to sell
loan participations and purchase federal funds. NBC-Eagle Pass has an approved
federal funds line at a correspondent bank.

         Subsequent to December 31, 1996, the Company was advanced $3 million
on its line of credit to provide additional funds to pay off the short term
notes payable related to the Luling acquisition. See Note 8 in the Notes to the
Consolidated Financial Statements for the terms of the notes.

CAPITAL RESOURCES

          Total stockholders' equity increased $6.9 million to $42.9 million at
December 31, 1996 from $36.0 million at December 31, 1995. In addition to net
income of $5.7 million, stockholders' equity increased $.5 million due to an
improvement in the net fair value of securities available for sale, Series B
Preferred Stock was converted to Common Stock and $8,000 was received for the
exercise of stock options. The ratio of total stockholders' equity to total
assets was 13.1% at December 31, 1996 compared with 13.3% at December 31, 1995.

         The Company and subsidiary Banks are subject to minimum capital ratios
mandated by their respective banking industry regulators. The table below
illustrates the Company and subsidiary Bank's compliance with the risk-based
capital guidelines of the FRB and the OCC. These guidelines are designed to
measure Tier 1 and total capital while taking into consideration the risk
inherent in both on and off-balance sheet items. Off-balance sheet items at
December 31, 1996 include unfunded loan commitments and letters of credit.
Currently under the regulatory guidelines, the net unrealized gain or loss on
securities available for sale is not included in the calculation of risk based
capital and the leverage ratio. The leverage ratio is Tier 1 capital divided by
average total assets. A leverage ratio of 3.0% is the minimum requirement for
only the most highly rated banking organizations and all other institutions are
required to maintain a leverage ratio of 3 to 5 percent.

         Tier 1 capital for the Company includes common stockholders' equity
less goodwill. Total capital includes Tier 1 capital and a portion of the
allowance for loan losses. The ratios are calculated by dividing the qualifying
capital by the risk-weighted assets. The minimum ratio for qualifying total
capital is 8.0% of which 4.0% must be Tier 1 capital.

         The table below illustrates the Company and its subsidiary Bank's
compliance with the risk-based capital guidelines as of December 31, 1996:
<TABLE>
<CAPTION>
                                                                        NBC           NBC           NBC           FNB
                                                      CONSOLIDATED   EAGLE PASS     LAREDO        ROCKDALE      LULING
                                                      ------------   ----------     ------        --------      ------
                                                                           (Dollars in thousands)
<S>                                                     <C>           <C>           <C>          <C>          <C>       
Total average assets (less goodwill) ..............     $289,711      $162,407      $61,561      $52,947      $   25,753
Risk weighted assets (net of goodwill)                  $117,986      $ 50,009      $38,872      $15,707      $   16,935

Tier 1 capital ....................................     $ 39,614      $ 16,674      $ 7,159      $ 7,051      $    2,896
Total capital .....................................     $ 41,100      $ 17,305      $ 7,645      $ 7,247      $    3,108

Leverage ratio ....................................        13.67%        10.27%       11.63%       13.32%         11.25%

Risk based capital ratios:
Tier 1 ............................................        33.58%        33.34%       18.42%       44.89%         17.10%
Total capital .....................................        34.84%        34.60%       19.67%       46.14%         18.35%
</TABLE>


                                      23


<PAGE>   24
         The Company and its subsidiary Banks exceed the risk-based capital and
leverage requirements set by the regulators as evidenced in the above table. As
of December 31, 1996, the Company and its subsidiary Banks met the criteria for
classification as a "well-capitalized" institution under the rules of the
Federal Deposit Insurance Corporation Improvement Act of 1991 ("FDICIA").

ACCOUNTING MATTERS

         SFAS No. 123 "Accounting for Stock-Based Compensation," issued in
October 1995, and effective beginning in 1996, will allow companies to adopt a
fair value based method of accounting for employee stock option plans, or to
continue on the intrinsic value based method currently prescribed by Accounting
Principals Board ("APB") Opinion No. 25. Under the fair value based method,
compensation cost is measured at the grant date based on the value of the award
and is recognized over the service period. Under the intrinsic value based
method, compensation cost is the excess, if any, of the quoted market price of
the stock at grant date over the amount the employee must pay for the stock. If
a company continues to use the intrinsic value based method, it must make
certain pro forma disclosures of net income and earnings per share as if the
fair value method of accounting for stock options were used as prescribed by
SFAS No. 123. The Company has determined that it will continue to account for
stock-based compensation using APB Opinion No. 25 for both stock option plans
and, accordingly, no compensation cost will be recognized for stock options in
the consolidated financial statements. In determining compensation cost based
on the fair value method at the date of grant for stock options under SFAS No.
123, the Company's net income and net income per share would have been reduced
by less than 1% for 1996, 1995 and 1994.


                                      24


<PAGE>   25
                          INDEPENDENT AUDITOR'S REPORT


To the Board of Directors and Stockholders of
National Bancshares Corporation of Texas and Subsidiaries
Laredo, Texas


We have audited the accompanying consolidated balance sheets of National
Bancshares Corporation of Texas and Subsidiaries as of December 31, 1996 and
1995, and the related consolidated statements of income, changes in
stockholders' equity, and cash flows for each of the three years in the period
ended December 31, 1996. These consolidated financial statements are the
responsibility of the Company's management. Our responsibility is to express an
opinion on these consolidated financial statements based on our audits.

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

In our opinion, the consolidated financial statements referred to above present
fairly, in all material respects, the financial position of National Bancshares
Corporation of Texas and Subsidiaries as of December 31, 1996 and 1995, and the
results of operations and its cash flows for the three years in the period
ended December 31, 1996, in conformity with generally accepted accounting
principles.


/s/ Padgett, Stratemann & Co., L.L.P.


Padgett, Stratemann & Co., L.L.P.
Certified Public Accountants
February 21, 1997




                                      25
<PAGE>   26



                       NATIONAL BANCSHARES CORPORATION OF
                             TEXAS AND SUBSIDIARIES
                          CONSOLIDATED BALANCE SHEETS
                           DECEMBER 31, 1996 AND 1995
                             (DOLLARS IN THOUSANDS)

                                     ASSETS

<TABLE>
<CAPTION>
                                                          
                                                                                    1996        1995
                                                                                 ---------   ---------
<S>                                                                               <C>          <C>
Cash and Due from Banks                                                           
Interest Bearing Deposits in Banks                                                $ 17,305     $14,707
Federal Funds Sold                                                                     529         193
Securities Available for Sale                                                       22,650      19,845
Securities Held to Maturity                                                         88,193      66,864
Loans - Net of Unearned Discount and Allowance for                                  72,649      65,775
Loan Losses
Bank Premises and Equipment                                                        110,850      89,682
Other Assets                                                                         6,978       6,569
                                                                                     8,764       6,457
                                                                                 ---------   ---------
                                                                                 $ 327,918   $ 270,092
                                                                                 =========   =========
</TABLE>

                      LIABILITIES AND STOCKHOLDERS' EQUITY

<TABLE>
<CAPTION>
                                                                                  1996           1995
                                                                                  ----           ----
<S>                                                                             <C>             <C>
DEPOSITS:
 Demand - Non-interest Bearing                                                   $ 46,617     $ 37,706
 NOW, Money Market, and Savings Accounts                                           97,871       83,490
 Time - $100,000 and over                                                          52,651       38,260
 Other Time                                                                        82,616       72,481
                                                                                 --------     --------
    TOTAL DEPOSITS                                                                279,755      231,937
 Accrued Interest Payable and Other Liabilities                                     1,259        1,097
 Other Debt                                                                         3,995          366
                                                                                 --------     --------
    TOTAL LIABILITIES                                                             285,009      233,400
                                                                                 --------     --------
REDEEMABLE PREFERRED STOCK - SERIES B CONVERTIBLE                                    --            715
                                                                                 --------     --------
STOCKHOLDERS' EQUITY:
 Common Stock - $.001 par value; 100,000,000 shares authorized; 4,658,734
  shares in 1996 and 4,529,855 shares issued and outstanding in 1995                    5            4
 Surplus                                                                           16,341       15,619
 Retained Earnings                                                                 25,321       19,611
 Net Unrealized Appreciation on Securities Available
  for Sale, net of tax of $182 in 1996 and $366 in 1995                             1,242          743
                                                                                 --------     --------
    TOTAL STOCKHOLDERS' EQUITY                                                     42,909       35,977
                                                                                 --------     --------
                                                                                $ 327,918    $ 270,092
                                                                                =========    =========
</TABLE>


Notes to consolidated financial statements form an integral part of these
statements.

                                      26

  
<PAGE>   27


           NATIONAL BANCSHARES CORPORATION OF TEXAS AND SUBSIDIARIES
                         CONSOLIDATED INCOME STATEMENTS
              FOR THE YEARS ENDED DECEMBER 31, 1996, 1995 AND 1994
                (DOLLARS IN THOUSANDS, EXCEPT PER SHARE AMOUNTS)

<TABLE>
<CAPTION>
                                                                             1996            1995              1994
                                                                       -----------      -----------      -----------
INTEREST INCOME:
<S>                                                                    <C>              <C>              <C>        
 Interest and Fees on Loans                                             $   10,623      $     9,928      $     8,937
 Interest on Investment Securities - Taxable                                 9,144            7,907            6,349
 Interest on Investment Securities - Nontaxable                                  1                2                2

 Interest on Federal Funds Sold                                              1,038            1,092              684
 Interest on Deposits in Banks                                                  14               26               13
                                                                       -----------      -----------      -----------
  TOTAL INTEREST INCOME                                                     20,820           18,955           15,985
INTEREST EXPENSE:
 Interest on Deposits                                                        8,039            7,199            5,056
 Interest on Debt                                                               73              160              533
                                                                       -----------      -----------      -----------
  TOTAL INTEREST EXPENSE                                                     8,112            7,359            5,589
                                                                       -----------      -----------      -----------
NET INTEREST INCOME                                                         12,708           11,596           10,396
 Credit for Possible Loan Losses                                                (5)            (855)            (990)
                                                                       -----------      -----------      -----------
  NET INTEREST INCOME AFTER CREDIT TO PROVISION FOR
  POSSIBLE LOAN LOSSES                                                      12,713           12,451           11,386

NON-INTEREST INCOME:
 Service Charges and Fees                                                    2,371            2,184            1,957
 Net Realized (Losses) Gains on Sales of Securities                             (6)              (1)              50
 Net Gains on Sales of Other Real Estate Owned and Other Assets                103              365              237
 Miscellaneous Income                                                          321              214              277
                                                                       -----------      -----------      -----------
  TOTAL NON-INTEREST INCOME                                                  2,789            2,762            2,521
NON-INTEREST EXPENSE:
 Salaries and Employee Benefits                                              4,848            4,420            4,253
 Occupancy and Equipment Expenses                                            1,544            1,198            1,115
  Other Operating Expenses                                                   3,194            3,531            3,123
                                                                       -----------      -----------      -----------
  TOTAL NON-INTEREST EXPENSE                                                 9,586            9,149            8,491

  INCOME BEFORE FEDERAL INCOME TAXES AND
   EXTRAORDINARY ITEM                                                        5,916            6,064            5,416
Federal Income Tax Expense                                                     206              159              440
                                                                       -----------      -----------      -----------
INCOME BEFORE EXTRAORDINARY ITEM                                             5,710            5,905            4,976
Gain Realized on Prepayment of Debt, net of tax of $4                         --                219             --
                                                                       -----------      -----------      -----------
  NET INCOME                                                           $     5,710      $     6,124      $     4,976
                                                                       ===========      ===========      ===========

Income per common and common-equivalent share:
 Before Extraordinary Item                                              $      1.21      $      1.23      $      1.25
 Extraordinary Item                                                            --               0.05             --
                                                                       -----------      -----------      -----------
Net Income per share                                                   $      1.21      $      1.28      $      1.25
                                                                       ===========      ===========      ===========

Weighted Average Number of Common and
Common-Equivalent Shares Outstanding                                     4,715,010        4,785,132        3,988,185
</TABLE>


Notes to consolidated financial statements form an integral part of these
statements.

                                      27


<PAGE>   28



           NATIONAL BANCSHARES CORPORATION OF TEXAS AND SUBSIDIARIES
           CONSOLIDATED STATEMENT OF CHANGES IN STOCKHOLDERS' EQUITY
                  YEARS ENDED DECEMBER 31, 1996, 1995 AND 1994
                  (DOLLARS AND NUMBER OF SHARES IN THOUSANDS)




<TABLE>
<CAPTION>
                                                  SERIES A CONVERTIBLE PREFERRED STOCK
                                                  ------------------------------------

                                                       NUMBER OF
                                                        SHARES     PAR     SURPLUS
                                                        -----      ---     -------
<S>                <C>                                  <C>       <C>      <C>    
BALANCE AT JANUARY 1, 1994                              2,604     $ 26     $ 2,578
Effect of adopting SFAS No. 115 at January 1, 1994         --       --          --
Net income                                                 --       --          --
Cancellation of shares due to untendered claims:
 Common                                                    --       --          --
 Preferred                                               (402)      (4)       (398)
Conversion of Preferred to Common                          (9)      --          (9)
Exercise of Common Stock option                            --       --          --
Common Stock issued                                        --       --          --
Eight-for-one reverse stock split                          --       --          --
Net change in unrealized depreciation on securities
 available for sale, net of tax benefit of $911            --       --          --
                                                       ------     ----     -------
BALANCE AT DECEMBER 31, 1994                            2,193       22       2,171
Net income                                                 --       --          --
Redemption of Preferred Stock                          (1,270)     (13)     (1,257)
Conversion of Preferred to Common                        (923)      (9)       (914)
Net change in unrealized appreciation on securities
 available for sale, net of tax of $797                    --       --          --
                                                       ------     ----     -------
BALANCE AT DECEMBER 31, 1995                               --       --          --
Net income                                                 --       --          --
Conversion of Series B Preferred to Common                 --       --          --
Exercise of Common Stock option                            --       --          --
Net change in unrealized appreciation on securities
 available for sale, net of tax of $183                    --       --          --
                                                       ------     ----     -------
BALANCE AT DECEMBER 31, 1996                               --      $--     $    --
                                                       ======     ====     =======
</TABLE>


Notes to consolidated financial statements form an integral part of these
statements.

                                      28
<PAGE>   29


<TABLE>
<CAPTION>
                                                                  NET UNREALIZED
                                                                   APPRECIATION
               COMMON STOCK                                       (DEPRECIATION)
- ----------------------------------------                          ON SECURITIES
 NUMBER OF                                        RETAINED          AVAILABLE
 SHARES            PAR           SURPLUS          EARNINGS           FOR SALE          TOTAL
 ---------        ----           -------          --------        --------------     --------
<S>               <C>            <C>              <C>                  <C>           <C>     
 26,512           $ 27           $ 9,034          $ 8,511              $--           $ 20,176
     --             --                --               --              933                933
     --             --                --            4,976               --              4,976

   (211)            --                --               --               --                 --
     --             --               402               --               --                 --
      1             --                 9               --               --                 --
  1,894              1                93               --               --                 94
    888              1             4,974               --               --              4,975

(24,670)           (25)               25               --               --                 --

     --             --                --               --           (1,768)            (1,768)
  -----           ----           -------          -------          -------           --------
  4,414              4            14,537           13,487             (835)            29,386

     --             --                --            6,124               --              6,124
     --             --               159               --               --             (1,111)

    116             --               923               --               --                 --

     --             --                --               --            1,578              1,578
  -----           ----           -------          -------          -------           --------
  4,530              4            15,619           19,611              743             35,977
     --             --                --            5,710               --              5,710
    128              1               714               --               --                715
      1             --                 8               --               --                  8
     --             --                --               --              499                499
  -----           ----           -------          -------          -------           --------
  4,659           $  5           $16,341          $25,321          $ 1,242           $ 42,909
  =====           ====           =======          =======          =======           ========

</TABLE>





Notes to consolidated financial statements form an integral part of these
statements.

                                      29
<PAGE>   30



           NATIONAL BANCSHARES CORPORATION OF TEXAS AND SUBSIDIARIES
                     CONSOLIDATED STATEMENTS OF CASH FLOWS
              FOR THE YEARS ENDED DECEMBER 31, 1996, 1995 AND 1994
                             (DOLLARS IN THOUSANDS)


<TABLE>
<CAPTION>
                                                                         1996         1995         1994
                                                                       --------     --------     --------
<S>                                                                    <C>          <C>          <C>     
CASH FLOWS FROM OPERATING ACTIVITIES:
Net Income                                                             $  5,710     $  6,124     $  4,976
Adjustments to reconcile net income to net cash provided
 by operating activities:
   Depreciation and amortization                                            944          613          682
   Deferred federal income taxes                                             61           38          320
   Restoration of loan loss provision                                        (5)        (855)        (990)
   Net realized loss (gain) on sales of securities                            6            1          (50)
   Gain on sale on other real estate owned and other assets                (103)        (365)        (237)
   Extraordinary gain on prepayment of debt (gross)                          --         (223)          --
   Increase in accrued interest receivable                                 (196)         (96)        (277)
   (Increase) decrease in prepaid expenses and other assets                 (42)           1          943
   Increase (decrease) in accrued interest payable and other                 39          126         (186)
   Write-down of other real estate owned                                     18           72           54
                                                                       --------     --------     --------
     NET CASH PROVIDED BY OPERATING ACTIVITIES                            6,432        5,436        5,235
                                                                       --------     --------     --------
CASH FLOWS FROM INVESTING ACTIVITIES:
   Net decrease (increase) in federal funds sold                          2,320         (445)      (7,880)
   Net decrease (increase) in interest bearing deposits in banks            (40)          70         (263)
   Purchases of securities available for sale                           (44,009)     (16,872)     (14,437)
   Proceeds from maturities of securities available for sale             16,225        9,238        5,312
   Proceeds from sales of securities available for sale                  10,226        6,356        5,455
   Purchases of securities to be held to maturity                       (23,865)     (16,251)     (46,393)
   Proceeds from maturities of securities to be held to maturity         17,811       22,877       20,426
   Proceeds from sales of securities to be held to maturity                  --           --        1,506
   Net (increase) decrease in loans                                      (6,624)      (1,260)       1,019
   Capital expenditures                                                    (730)      (2,664)        (392)
   Capital expenditures on other real estate owned                           --            1         (131)
   Proceeds from sale of other real estate owned                            431          524          776
   Net (payments for) cash acquired from acquisitions                       (46)          --           --
                                                                       --------     --------     --------
     NET CASH (USED IN) PROVIDED BY INVESTING ACTIVITIES                (28,301)       1,574      (35,002)
                                                                       --------     --------     --------
CASH FLOWS FROM FINANCING ACTIVITIES:
   Proceeds from principal advances on other debt                           140          175          198
   Principal payments on other debt                                        (150)      (4,044)      (3,889)
   Net increase (decrease) in demand deposits, NOW accounts,
   money market accounts, and savings accounts                           10,206       (4,933)      12,837
   Net increase in time deposits                                         14,263        7,816       13,890
   Sale of Common Stock                                                      --           --        4,975
   Exercise of Common Stock options                                           8           --           94
   Redemption of Series A Preferred Stock                                    --       (1,111)          --
                                                                       --------     --------     --------
     NET CASH PROVIDED BY (USED IN) FINANCING ACTIVITIES                 24,467       (2,097)      28,105
                                                                       --------     --------     --------
   Net increase (decrease) in cash and due from banks                     2,598        4,913       (1,662)
   Cash and due from banks at beginning of year                          14,707        9,794       11,456
                                                                       --------     --------     --------
   Cash and due from banks at end of year                              $ 17,305     $ 14,707     $  9,794
                                                                       ========     ========     ========
</TABLE>


Notes to consolidated financial statements form an integral part of these
statements.

                                      30
<PAGE>   31
                 NATIONAL BANCSHARES OF TEXAS AND SUBSIDIARIES
                   NOTES TO CONSOLIDATED FINANCIAL STATEMENTS


1.  SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES

    The accounting and reporting policies of National Bancshares Corporation of
    Texas (the Company) and its wholly-owned subsidiaries conform to generally
    accepted accounting principles and to general practices within the banking
    industry. The preparation of consolidated financial statements in
    conformity with generally accepted accounting principles requires
    management to make estimates and assumptions that affect the reported
    amounts of assets and liabilities and disclosure of contingent assets and
    liabilities at the date of the consolidated financial statements and the
    reported amounts of revenues and expenses during the reporting period.
    Actual results could differ from those estimates. Following is a summary of
    the Company's more significant accounting and reporting policies:

    NATURE OF OPERATIONS

    The Company is a bank holding company which operates four commercial banks.
    Two banks are located in Central Texas and the other two banks are located
    on the Texas-Mexico border.

    CONSOLIDATION

    The consolidated financial statements include the accounts of National
    Bancshares Corporation of Texas and its wholly-owned subsidiary, NBT of
    Delaware, Inc. (the Delaware Company) and the accounts of the Delaware
    Company's wholly-owned subsidiaries, NBC Bank Eagle Pass, N.A. (Eagle
    Pass), NBC Bank Laredo, N.A. (Laredo), NBC Bank Rockdale (Rockdale), The
    First National Bank in Luling (Luling), and NBC-Holdings, Inc.,
    collectively referred to as the "Banks." Significant intercompany accounts
    and transactions have been eliminated in consolidation.

    The Delaware Company was formed during 1995 as a bank holding company. It
    acquired all of the common stock of the Banks in a stock exchange with the
    Company in a business combination accounted for similar to a pooling of
    interests. The transaction does not affect any previously reported
    consolidated financial statement amounts.

    INVESTMENTS IN SECURITIES

    Pursuant to SFAS No. 115, the Company's investments in securities are
    classified in three categories and accounted for as follows:

    o    TRADING SECURITIES. Securities held principally for resale in the near
         term are classified as trading securities and recorded at their fair
         values. Unrealized gains and losses on trading securities are included
         in other income. As of December 31, 1996 and 1995, the Company had no
         securities classified as trading securities.

    o    SECURITIES TO BE HELD TO MATURITY. Bonds, notes, and debentures for
         which the Company has the positive intent and ability to hold to
         maturity are reported at cost adjusted for amortization of premiums
         and accretion of discounts, which are recognized in interest income
         using the interest method over the period to maturity.

    o    SECURITIES AVAILABLE FOR SALE. Securities available for sale consist
         of bonds, notes, and debentures not classified as trading securities
         nor as securities to be held to maturity. These securities are
         recorded at their fair values. Unrealized holding gains and losses,
         net of tax, on securities for sale are reported as a net amount in a
         separate component of stockholders' equity.

    Declines in the fair market value of individual held to maturity and
    available for sale securities below their cost that are other than
    temporary result in write-downs of the individual securities to their fair
    value. The related write-downs are included in earnings as realized losses.

    Gains and losses on the sale of securities available for sale are
    determined using the specific-identification method.





                                      31
<PAGE>   32
                 NATIONAL BANCSHARES OF TEXAS AND SUBSIDIARIES
                   NOTES TO CONSOLIDATED FINANCIAL STATEMENTS



    The transfer of a security between categories of investments is accounted
    for at fair value. For a debt security transferred into the available for
    sale category from the held to maturity category, the unrealized holding
    gain or loss at the date of the transfer is recognized in a separate
    component of stockholders' equity.

    ALLOWANCE FOR POSSIBLE LOAN LOSSES

    The allowance is maintained at a level adequate to absorb probable losses.
    Management determines the adequacy of the allowance based upon reviews of
    individual loans, recent loss experience, current economic conditions, the
    risk characteristics of the various categories of loans, and other
    pertinent factors. Loans deemed uncollectible are charged to the allowance.
    Provisions for loan losses and recoveries on loans previously charged off
    are added to the allowance.

    BANK PREMISES AND EQUIPMENT

    Land is carried at cost. Bank premises and equipment are stated at cost,
    net of accumulated depreciation. Depreciation is recognized on
    straight-line and accelerated methods over the estimated useful lives of
    the assets. The estimated useful lives range from 3 to 50 years.
    Amortization of leasehold improvements is computed using the straight-line
    method over the primary term of the lease.

    INTEREST INCOME ON LOANS

    Unearned income on discounted loans is credited to the unearned discount
    account when the loan is made and is recorded as interest income over the
    term of the loan based on methods that approximate the interest method.

    Interest on other loans is accrued and credited to income based on the
    principal amount outstanding. Generally, the accrual of interest on
    impaired loans is discontinued when principal or interest payments become
    90 days past due, and/or in the opinion of management, there is an
    indication that the borrower may be unable to meet payments as they become
    due. Upon such discontinuance, all unpaid accrued interest is reversed and
    charged to current year operations. Interest income is subsequently
    recognized only to the extent cash payments are received.

    LOAN ORIGINATION FEES AND COSTS

    Loan origination fees and certain direct origination costs are deferred and
    recognized as an adjustment of the yield over the contractual term of the
    related loan.

    PROFIT SHARING PLAN

    The Company has a defined contribution profit sharing plan covering
    substantially all employees. Contributions to the plan are determined
    annually by each Bank's Board of Directors.

    OTHER REAL ESTATE OWNED

    Real estate acquired by foreclosure is carried in other assets at the lower
    of the recorded investment in the property or the fair value of the
    property less estimated selling costs. Prior to foreclosure, the value of
    the underlying loan is written down to the fair value of the real estate to
    be acquired by a charge to the allowance for loan losses, if necessary. Any
    subsequent write-downs are charged against operating expenses. Operating
    expenses of such properties, net of related income, are included in other
    expenses. A valuation reserve is maintained to record the excess of the
    carrying values over the fair market values of the properties.





                                      32
<PAGE>   33
                 NATIONAL BANCSHARES OF TEXAS AND SUBSIDIARIES
                   NOTES TO CONSOLIDATED FINANCIAL STATEMENTS


    INTANGIBLE ASSETS

    The excess cost over fair value of net assets of businesses acquired
    (goodwill) is amortized on a straight-line basis over fifteen years.
    Intangible assets are included in other assets. All such intangible assets
    are periodically evaluated as to the recoverability of their carrying
    value.

    INCOME TAXES

    The Company and its subsidiaries file an income tax return on a
    consolidated basis. Provisions for income taxes are based on taxes payable
    or refundable for the current year (after exclusion of nontaxable income
    such as interest on state and municipal securities) and deferred taxes on
    temporary differences between the amount of taxable income and pretax
    financial income and between the tax bases of assets and liabilities and
    their reported amounts in the consolidated financial statements. Deferred
    tax assets and liabilities are included in the consolidated financial
    statements at currently enacted income tax rates applicable to the period
    in which the deferred tax assets and liabilities are expected to be
    realized or settled as prescribed in SFAS No. 109, "Accounting for Income
    Taxes." As changes in tax laws or rates are enacted, deferred tax assets
    and liabilities are adjusted through the provisions for income taxes.

    CASH AND CASH EQUIVALENTS

    For the purpose of presentation in the consolidated statements of cash
    flows, cash and cash equivalents are defined as those amounts included in
    the consolidated balance sheet caption "cash and due from banks."

    OFF-BALANCE-SHEET FINANCIAL INSTRUMENTS

    In the ordinary course of business, the subsidiary Banks have entered into
    off-balance-sheet financial instruments consisting of commitments to extend
    credit and standby letters of credit. Such financial instruments are
    recorded in the consolidated financial statements when they are funded or
    related fees are incurred or received.

    The Company or its subsidiaries are not a party to any off-balance-sheet
    derivative financial instruments such as interest rate futures or swap
    contracts.

    EARNINGS PER SHARE OF COMMON STOCK

    EARNINGS PER SHARE have been computed based on the weighted average number
    of common and common equivalent shares outstanding during the years ended
    December 31, 1996, 1995, and 1994. In accordance with Accounting Principles
    Board (APB) Opinion No. 15, the Series B Convertible Preferred Stock has
    been considered as common stock equivalents because they have
    characteristics essentially the same as the common shares. Common Stock
    Purchase Options have been included in earnings per share as common stock
    equivalents from the date of their grant.

    FULLY DILUTED EARNINGS PER SHARE are not presented for 1996, 1995, and 1994
    because the dilutive effect is less than three percent.

    FAIR VALUE OF FINANCIAL INSTRUMENTS

    SFAS No. 107, "Disclosures About Fair Value of Financial Instruments,"
    requires disclosure of fair value information about financial instruments,
    whether or not recognized in the consolidated balance sheet, for which it
    is practicable to estimate that value. In cases where quoted market prices
    are not available, fair values are based on estimates using present value
    or other valuation techniques. Those techniques are significantly affected
    by the assumptions used, including the discount rate and estimates of
    future cash flows. In that regard, the derived fair value estimates cannot
    be substantiated by comparison to independent markets and, in many cases,
    could not be realized in immediate settlement of the instrument. SFAS No.
    107 excludes certain financial instruments from its disclosure
    requirements. Accordingly, the aggregate fair value amounts presented do
    not represent the underlying value of the Company.





                                      33
<PAGE>   34
                 NATIONAL BANCSHARES OF TEXAS AND SUBSIDIARIES
                   NOTES TO CONSOLIDATED FINANCIAL STATEMENTS



    The following methods and assumptions were used by the Company in
    estimating the fair value of its financial instruments:

    CARRYING AMOUNTS APPROXIMATE FAIR VALUES for cash and due from banks;
    interest bearing deposits in banks; federal funds sold; securities
    available for sale; variable rate loans; accrued interest receivable and
    payable; demand deposits; NOW, money market, and savings accounts; and
    variable rate time deposits.

    QUOTED MARKET PRICES, where available, or if not available, based on quoted
    market prices of comparable instruments for securities to be held to
    maturity.

    DISCOUNTED CASH FLOWS using interest rates currently being offered on
    instruments with similar terms and with similar credit quality, including
    fixed rate loans; fixed rate time deposits; and other debt.

    QUOTED FEES CURRENTLY BEING CHARGED for off-balance-sheet instruments,
    including letters of credit and loan commitments.

    RECLASSIFICATIONS

    Certain amounts have been reclassified from prior presentations at December
    31, 1995 to conform to classifications at December 31, 1996. There is no
    effect on previously reported net income or retained earnings.

2.  ACQUISITION

    On September 30, 1996, the Company acquired Luling Bancshares, Inc.,
    including its subsidiary, The First National Bank in Luling, in Luling,
    Texas. The transaction was accounted for as a purchase. The purchase price
    has been allocated to the underlying assets and liabilities based on
    estimated fair value at the date of acquisition. Results of operations are
    included from the date of acquisition. The Company acquired approximately
    $26 million in total assets and assumed liabilities of approximately $24
    million. The Company paid a premium of approximately $2 million over the
    book value of the net assets. The Company paid approximately $1.2 million
    in cash and executed short term notes payable of $3.6 million due January
    2, 1997 for the remainder of the purchase price.

3.  INVESTMENT SECURITIES

    Investment securities have been classified in the consolidated balance
    sheets according to management's intent. The carrying amount of investment
    securities of the Company and their approximate fair values at December 31
    were as follows:

<TABLE>
<CAPTION>
                                                                       DECEMBER 31, 1996
                                               -------------------------------------------------------------------
                                                                     GROSS             GROSS              GROSS
                                               AMORTIZED           UNREALIZED        UNREALIZED        APPROXIMATE
                                                  COST               GAINS             LOSSES           FAIR VALUE
                                                 -------             ------              ----            -------
<S>                                              <C>                   <C>               <C>             <C>    
AVAILABLE FOR SALE SECURITIES:                                        (Dollars in Thousands)
 U.S. Treasury securities                        $80,199             $  645              $198            $80,646
 U.S. Government Agency securities                   948                 20                --                968
 Mortgage-backed securities                        1,638                 13                --              1,651
 Equity securities                                 3,780                945                --              4,725
 Federal Reserve Bank stock                          203                 --                --                203
                                                 -------             ------              ----            -------
     Total                                       $86,768             $1,623              $198            $88,193
                                                 =======             ======              ====            =======

</TABLE>





                                      34
<PAGE>   35
                 NATIONAL BANCSHARES OF TEXAS AND SUBSIDIARIES
                   NOTES TO CONSOLIDATED FINANCIAL STATEMENTS


<TABLE>
<CAPTION>
                                                                 DECEMBER 31, 1996
                                                ------------------------------------------------------
                                                                 GROSS         GROSS
                                                AMORTIZED     UNREALIZED     UNREALIZED    APPROXIMATE
                                                  COST           GAINS         LOSSES      FAIR VALUE
                                                ---------     ----------     ----------    -----------
                                                                (Dollars in Thousands)
<S>                                           <C>            <C>            <C>            <C>       
HELD TO MATURITY SECURITIES:
  U.S. Treasury securities                    $   69,201     $      756     $       58     $   69,899
  U.S. Government Agency securities                3,184             25             --          3,209
  Other securities                                   264             --             10            254
                                              ----------     ----------     ----------     ----------
  Total                                       $   72,649     $      781     $       68     $   73,362
                                              ==========     ==========     ==========     ==========

</TABLE>


<TABLE>
<CAPTION>
                                                              DECEMBER 31, 1995
                                      ---------------------------------------------------------
                                                          GROSS          GROSS
                                      AMORTIZED         UNREALIZED    UNREALIZED    APPROXIMATE
                                         COST             GAINS         LOSSES       FAIR VALUE
                                      ---------         ----------    ----------    -----------
                                                            (Dollars in Thousands)
<S>                                      <C>             <C>             <C>            <C>
 AVAILABLE FOR SALE SECURITIES:
   U.S. Treasury securities              $63,631          $1,094          $43          $64,682
   Mortgage-backed securities                717              24           --              741
   Equity securities                       1,213              34           --            1,247
   Federal Reserve Bank stock                194              --           --              194
                                         -------          ------          ---          -------
      Total                              $65,755          $1,152          $43          $66,864
                                         =======          ======          ===          =======
</TABLE>


<TABLE>
<CAPTION>
                                                               DECEMBER 31, 1995
                                          --------------------------------------------------------
                                                            GROSS         GROSS
                                          AMORTIZED       UNREALIZED    UNREALIZED     APPROXIMATE
                                            COST            GAINS         LOSSES       FAIR VALUE
                                          ---------       ----------    ----------     -----------
                                                             (Dollars in Thousands)
<S>                                        <C>              <C>            <C>          <C>
 HELD TO MATURITY SECURITIES:
   U.S. Treasury securities                $61,906          $1,310          $29          $63,187
   Mortgage-backed securities                3,812              22            2            3,832
   State and Municipal securities               20              --           --               20
   Other securities                             37               3           --               40
                                           -------          ------          ---          -------
       Total                               $65,775          $1,335          $31          $67,079
                                           =======          ======          ===          =======
</TABLE>

    During the year ended December 31, 1996, the Company did not transfer any
    securities between the held to maturity and available for sale categories.

    In December 1995, the Company transferred securities in the held to
    maturity category with an amortized cost of approximately $12,348,000 and a
    net unrealized gain of approximately $201,000 into the available for sale
    category. These transfers were made during the one-time SFAS No. 115 grace
    period granted by the Financial Accounting Standards Board. The transfers
    were made to allow for more flexible management of the investment
    portfolio.





                                       35
<PAGE>   36
                 NATIONAL BANCSHARES OF TEXAS AND SUBSIDIARIES
                   NOTES TO CONSOLIDATED FINANCIAL STATEMENTS



    The Company holds equity securities of an entity that received notice of a
    tender offer during 1996. The unrealized gain associated with these equity
    securities was approximately $945,000 at December 31, 1996. The transaction
    is anticipated to settle during the first half of 1997, pending regulatory
    approval. The remainder of the unrealized gains and losses on investment
    securities held at December 31, 1996 and 1995 have been judged to be
    temporary market fluctutations with no material financial impact on the
    Company.

    Investment securities carried at approximately $35,634,000 and $33,406,000
    at December 31, 1996 and 1995, respectively, were pledged to secure public
    funds.

    The scheduled maturities of securities to be held to maturity and
    securities available for sale at December 31, 1996 were as follows:

<TABLE>
<CAPTION>
                                                                        DECEMBER 31, 1996
                                                 ------------------------------------------------------------------
                                                        HELD TO MATURITY                    AVAILABLE FOR SALE
                                                 -----------------------------        -----------------------------
                                                 AMORTIZED         APPROXIMATE        AMORTIZED         APPROXIMATE
                                                    COST           FAIR VALUE            COST           FAIR VALUE
                                                 ---------         -----------        ---------         -----------
                                                                      (Dollars in Thousands)
<S>                                               <C>                <C>               <C>                <C>
Due in one year or less                           $17,757            $17,801           $19,015            $19,093
Due in one year to five years                      51,656             52,308            62,012             62,394
Due from five to ten years                             52                 44                --                 --
Due after ten years                                 3,184              3,209               120                127
                                                  -------            -------           -------            -------
  Total                                            72,649             73,362            81,147             81,614
                                                  =======            =======           =======            =======
Equity securities                                      --                 --             3,780              4,725
Mortgage-backed securities                             --                 --             1,638              1,651
Federal Reserve Bank stock                             --                 --               203                203
                                                  -------            -------           -------            -------
                                                  $72,649            $73,362           $86,768            $88,193
                                                  =======            =======           =======            =======
</TABLE>

    Gross realized gains and gross realized losses on sales of securities
    available for sale were $13,000 and $19,000, respectively, in 1996, $1,200
    and $2,000, respectively, in 1995, and $52,000 and $2,000, respectively, in
    1994.

4.  LOANS AND ALLOWANCE FOR POSSIBLE LOAN LOSSES

    The components of loans in the consolidated balance sheets were as follows:

<TABLE>
<CAPTION>
                                                  DECEMBER 31,
                                           1996                 1995
                                         ---------            -------
                                            (Dollars in Thousands)
<S>                                        <C>                <C>    
Commercial Loans                           $23,316            $13,001
Real Estate - Construction                   6,324             11,868
Real Estate - Commercial                    25,766             18,821
Real Estate - Residential                   39,790             32,843
Consumer Loans                              18,288             15,104
Other Loans                                    676                642
                                         ---------            -------
                                           114,160             92,279
Unearned Discount                             (902)              (691)
                                         ---------            -------
                                           113,258             91,588
Allowance for Possible Loan Losses          (2,408)            (1,906)
                                         ---------            -------
                                         $ 110,850            $89,682
                                         =========            =======

</TABLE>




                                      36
<PAGE>   37
                 NATIONAL BANCSHARES OF TEXAS AND SUBSIDIARIES
                   NOTES TO CONSOLIDATED FINANCIAL STATEMENTS


Changes in the allowance for possible loan losses were as follows:

<TABLE>
<CAPTION>
                                                    DECEMBER 31,
                                      ----------------------------------------
                                         1996           1995           1994
                                      ----------     ----------     ----------
                                               (Dollars in Thousands)
<S>                                   <C>            <C>            <C>       
Balance at Beginning of Period        $    1,906     $    2,495     $    3,005
  Restoration of Loan Loss Provision          (5)          (855)          (990)
  Allowance on Acquired Loans                467             --             --
  Loans Charged Off                         (251)          (330)          (320)
  Recoveries                                 291            596            800
                                      ----------     ----------     ----------
Balance at End of Period              $    2,408     $    1,906     $    2,495
                                      ==========     ==========     ==========
</TABLE>

    The restoration of loan loss provision of $5,000, $855,000 and $990,000 for
    the years ended December 31, 1996, 1995 and 1994, respectively, resulted
    from significant collections of previously charged-off loans, and from
    improved performance and quality of the loan portfolio resulting in the
    recovery of any related excess allowance.

    Effective January 1, 1995, the Banks adopted SFAS No. 114, "Accounting by
    Creditors for Impairment of a Loan," as amended by SFAS No. 118,
    "Accounting by Creditors for Impairment of a Loan - Income Recognition and
    Disclosure." Adoption of SFAS No. 114 and SFAS No. 118 was not material to
    the financial condition or results of operations of the Banks.

    As of December 31, 1996 and 1995, the Banks have impaired loans of
    $1,195,000 and $1,177,000, respectively. The allowance for loan losses
    related to those loans was $97,300 and $169,600 at December 31, 1996 and
    1995, respectively. The average recorded investment in impaired loans
    during the year ended December 31, 1996 and 1995 was $1,186,000 and
    $1,123,500, respectively. Interest income of approximately $478,000 and
    $308,000 on impaired loans was recognized for cash payments received during
    the year ended December 31, 1996 and 1995.

    The Banks' nonperforming loans at December 31, 1996 consisted of $182,000
    in accruing loans over 90 days past due and $1,195,000 in nonaccrual loans.
    The reduction in interest income associated with nonaccrual loans during
    the year ended December 31, 1996, 1995 and 1994 was approximately $187,000,
    $115,000 and $117,000, respectively.

5.  BANK PREMISES AND EQUIPMENT

    The components of bank premises and equipment included in the consolidated
balance sheets were as follows:

<TABLE>
<CAPTION>
                                              DECEMBER 31,
                                           1996          1995
                                        ----------    ----------
                                         (Dollars in Thousands)
<S>                                     <C>           <C>       
Land                                    $    1,157    $    1,012
Buildings and Leasehold Improvements         5,894         5,512
Equipment and Furniture                      4,540         4,080
                                        ----------    ----------
                                            11,591        10,604
Less: Accumulated Depreciation               4,613         4,035
                                        ----------    ----------
                                            $6,978        $6,569
                                        ==========    ==========
</TABLE>

    Depreciation expense totaled $705,000, $427,000 and $339,000 for the years
    ended December 31, 1996, 1995, and 1994, respectively.





                                       37
<PAGE>   38
                 NATIONAL BANCSHARES OF TEXAS AND SUBSIDIARIES
                   NOTES TO CONSOLIDATED FINANCIAL STATEMENTS


OTHER ASSETS

    Other assets include the following:

<TABLE>
<CAPTION>
                                      DECEMBER 31,
                                  1996           1995
                               ----------    ----------
                                 (Dollars in Thousands)
<S>                            <C>           <C>       
Accrued Interest Receivable    $    2,951    $    2,512
Deferred Tax Asset                  2,645         2,725
Other Real Estate Owned               715           888
Goodwill                            2,052            --
    Other                             401           332
                               ----------    ----------
Total                          $    8,764    $    6,457
                               ==========    ==========

</TABLE>

    Other real estate owned is as follows:
<TABLE>
<CAPTION>
                                   DECEMBER 31,
                               1996           1995
                            ----------    ----------
                              (Dollars in Thousands)
<S>                         <C>           <C>       
Original recorded amount    $      715    $    4,779
Allowance for losses                --        (3,891)
                            ----------    ----------
                            $      715    $      888
                            ==========    ==========

</TABLE>

    Changes in the allowance for losses on other real estate owned are as
follows:

<TABLE>
<CAPTION>
                                                         DECEMBER 31,
                                                      1996           1995
                                                   ----------     ----------
                                                     (Dollars in Thousands)
<S>                                                <C>            <C>       
Balance at Beginning of Year                       $    3,891     $    3,841
  Provision for Losses on Other Real Estate Owned          --             50
  Disposition of Property                              (3,891)            --
                                                   ----------     ----------
Balance at End of Year                             $       --     $    3,891
                                                   ==========     ==========
</TABLE>

7.  DEPOSITS

    Included in total deposits are $83,677,000 and $77,731,000 of Mexican
    National deposits at December 31, 1996 and 1995, respectively.

    The aggregate amount of short-term jumbo certificates of deposit (CDs),
    each with a minimum denomination of $100,000, was approximately $50,481,000
    and $37,745,000 at December 31, 1996 and 1995, respectively.

    At December 31, 1996, the scheduled maturities of CDs are as follows
    (Dollars in thousands):

<TABLE>
<S>               <C>                                       <C>      
Year ending December 31,
                  1997                                      $ 127,325
                  1998                                          6,357
                  1999                                          1,337
                  2000                                            229
                  2001 and thereafter                              19
                                                            ---------
                                                            $ 135,267
                                                            =========
</TABLE>





                                       38
<PAGE>   39
                 NATIONAL BANCSHARES OF TEXAS AND SUBSIDIARIES
                   NOTES TO CONSOLIDATED FINANCIAL STATEMENTS



8.  OTHER DEBT

    As a result of the Luling acquisition (see Note 2), the Company has entered
    into short term note payables with three individuals in the aggregate
    amount of $3,638,746. The notes bear interest rates of 5%. The maturity
    dates of the notes are January 2, 1997. Subsequent to December 31, 1996,
    these notes were paid in full on their due date with funds received from
    the Company's line of credit.

    In May 1994, Laredo borrowed $200,000 from the Federal Home Loan Bank of
    Dallas. This advance bears an interest rate of 7.49% and has a maturity
    date of June 1999. Principal and interest payments are due monthly in the
    approximate amount of $1,600 with the remaining balance due at maturity.
    The outstanding balance at December 31, 1996 and 1995 was approximately
    $188,000 and $193,000, respectively. In July 1995, $175,000 was advanced to
    Laredo from the Federal Home Loan Bank of Dallas. This note bears an
    interest rate of 6.393% and has a maturity date of August 2015. Principal
    and interest payments are due monthly in the approximate amount of $1,300
    with the remaining balance due at maturity. The outstanding balance at
    December 31, 1996 and 1995 was approximately $169,000 and $173,500,
    respectively. Both of these loans are secured by a certain block of fixed
    rate mortgage loans carried by Laredo.

    On September 30, 1996, the Company executed a $16 million line of credit
    with Texas Independent Bank in Dallas. The line bears a variable interest
    rate at New York prime (8.25% at December 31, 1996). Interest is due
    quarterly with principal due at maturity. The line matures on September 30,
    1997. The line of credit is collateralized by the common stock of NBT of
    Delaware, Inc. and the stock of the subsidiary banks. Subsequent to
    December 31, 1996, the Company advanced $3 million on the line to pay off
    the short term notes payable related to the Luling Bancshares acquisition.

    Aggregate maturities at December 31, 1996 are as follows:

<TABLE>
<S>               <C>                                        <C>       
Year ending December 31,
                  1997                                       $3,649,000
                  1998                                           11,300
                  1999                                          182,000
                  2000                                            6,000
                  2001 and thereafter                           147,446
                                                             ----------
                                                             $3,995,746
                                                             ==========
</TABLE>

9.  COMMITMENTS AND CONTINGENT LIABILITIES

    The Company's consolidated financial statements do not reflect various
    commitments and contingent liabilities which arise in the normal course of
    business and which involve elements of credit risk, interest rate risk, and
    liquidity risk. These commitments and contingent liabilities are described
    in note 18 as financial instruments with off- balance sheet risk.

    The Company and its wholly-owned subsidiaries are defendants in legal
    actions arising from normal business activities. Management believes that
    those actions are without merit or that the ultimate liability, if any,
    resulting from them will not materially affect the Company's financial
    position, results of operations, cash flows, or liquidity.

    The Company has a forty-two month sub-lease agreement for general corporate
    office space. The commencement date of the sub-lease was July 1, 1996. The
    Company also leases property which is used as a data processing center. The
    commencement date of this lease was October 1, 1995. The Company has also
    entered into an eighteen month lease for a loan production office. The
    commencement date of the lease was July 1, 1996. The Company also has an
    indefinite lease with Laredo with monthly lease payments of $1,500. Gross
    rental expense for the year ended December 31, 1996, 1995, and 1994 was
    $76,040, $121,897, and $0, respectively.





                                       39
<PAGE>   40
                 NATIONAL BANCSHARES OF TEXAS AND SUBSIDIARIES
                   NOTES TO CONSOLIDATED FINANCIAL STATEMENTS



    Future minimum lease payments at December 31, 1996 are as follows:

<TABLE>
<S>               <C>                                  <C>      
Year ending December 31,
                  1997                                 $  86,625
                  1998                                    68,820
                  1999                                    60,000
                  2000                                    18,000
                                                       ---------
                                                       $ 233,445
                                                       =========
</TABLE>

10. REDEEMABLE PREFERRED STOCK

    During 1994, the Company issued a series of 715,000 shares of preferred
    stock, designated as Series B Convertible Preferred Stock, with a par value
    of $.01 per share and a redemption price of $1 per share. This stock was
    issued pursuant to a Stock Swap Agreement effective December 31, 1994,
    whereby the holder of two subordinated promissory notes issued by the
    Company exchanged the notes for 715,000 shares of the Company's Series B
    Convertible Preferred Stock. The 715,000 shares were converted to Common
    Stock at a conversion ratio of one share of Common Stock for 5.59998 shares
    of Series B Convertible Preferred Stock during 1996.

11. CONVERTIBLE PREFERRED STOCK

    The Company is authorized to issue 20,000,000 shares of preferred stock
    with a par value of $.01 per share. During 1992, the Company issued a
    series of 2,604,153 shares of preferred stock, designated as Series A
    Convertible Preferred Stock.

    On March 31, 1994, 401,595 shares represented by senior debentures not
    surrendered to the Company by the holders for conversion into Series A
    Convertible Preferred Stock reverted to the Company as granted by a motion
    by the United States Bankruptcy Court of Western District of Texas, San
    Antonio Division.

    During 1995 and 1994, 922,976 and 9,243 shares, respectively, of Series A
    Convertible Preferred Stock were converted to Common Stock. In late 1994,
    the Company made available to the Series A Preferred shareholders a tender
    offer to sell their shares at $.70 per share. As a result of this tender
    offer, 537,305 shares were tendered for cash. In November 1995, the Company
    notified all remaining Series A Preferred shareholders that the remaining
    shares would be redeemed by the Company on December 1, 1995 at $1 per
    share. As a result, 733,034 shares were redeemed and no Series A Preferred
    Stock was outstanding at December 31, 1995.





                                       40
<PAGE>   41
                 NATIONAL BANCSHARES OF TEXAS AND SUBSIDIARIES
                   NOTES TO CONSOLIDATED FINANCIAL STATEMENTS


12. BOOK VALUE PER SHARE

    Book value per share has been calculated as follows:

<TABLE>
<CAPTION>
                                                                     Series B
                                                                    Convertible
                                                                     Preferred           Common
                                                                      Stock              Stock
                                                                 ---------------    ---------------
<S>                                                              <C>                <C>            
DECEMBER 31, 1996:
Par                                                              $            --    $         4,659
Ascribed Surplus                                                              --         16,340,541
Retained Earnings                                                             --         25,320,787
Net Unrealized Appreciation on Securities Available for Sale                  --          1,243,018
                                                                 ---------------    ---------------
                                                                              --         42,909,005

Number of Shares Outstanding                                     /            --    /     4,658,734
                                                                 ---------------    ---------------
                                                                 $            --    $          9.21
                                                                 ===============    ===============

DECEMBER 31, 1995:
Par                                                              $         7,150    $         4,530
Ascribed Surplus                                                         707,850         15,618,854
Retained Earnings                                                             --         19,610,867
Net Unrealized Appreciation on Securities Available for Sale                  --            743,174
                                                                 ---------------    ---------------
                                                                         715,000         35,977,425
Number of Shares Outstanding                                     /       715,000    /     4,529,855
                                                                 ---------------    ---------------
                                                                 $          1.00    $          7.94
                                                                 ===============    ===============
</TABLE>

    Each share of Series B Convertible Preferred Stock was convertible, at the
    option of the holder, into Common Stock. The conversion ratio was one share
    of Common Stock for 5.59998 shares of Series B Convertible Preferred Stock.
    Had the holders exercised that right at December 31, 1995, there would have
    been 4,657,534 Common Shares outstanding with a book value of $7.88 per
    share.

13. EMPLOYEE BENEFITS

    The Company has a defined contribution profit sharing plan for the benefit
    of substantially all employees. The plan includes a 401(k) retirement plan
    feature. Employees are allowed to make contributions to the plan. Each
    subsidiary Bank's contribution to the plan is determined annually by that
    Bank's Board of Directors. Profit sharing expense for the years ended
    December 31, 1996, 1995 and 1994 totaled $49,515, $63,778 and $71,172,
    respectively.

14. MANAGEMENT AND DIRECTOR STOCK OPTION PLAN

    Effective March 31, 1994, the Company adopted the 1994 Nonqualified Stock
    Option Plan (the 1994 Plan). Options representing 80,000 shares available
    under the 1992 Plan were transferred to the 1994 Plan. In addition, 8,334
    shares representing unexercised options under the 1992 Plan of an officer
    who resigned, were added to the 1994 Plan. The maximum number of shares for
    which the options could be granted and sold under the 1994 Plan was 88,334
    shares of Common Stock.

    The 1994 Plan shall be administered by the Board of Directors of the
    Company, or an administrator designated by the Board of Directors. The
    Board of Directors or the administrator is authorized to determine the
    terms and conditions of all options granted. The Board of Directors or the
    applicable administrator may adopt such rules and regulations for carrying
    out the 1994 Plan as it may deem best.





                                       41
<PAGE>   42
                 NATIONAL BANCSHARES OF TEXAS AND SUBSIDIARIES
                   NOTES TO CONSOLIDATED FINANCIAL STATEMENTS




    Each option under the 1994 Plan shall terminate and be unexercisable upon
    the date specified by the applicable administrator, however, this date
    shall not exceed ten years from the grant date of the options.

    In 1994, options representing 29,000 shares included in the 1994 Plan were
    granted to certain officers and employees of the Company at an option price
    of $5.68 per share. The grant date of these options is March 31, 1994, with
    a vesting period of 20% per year for five years. In 1996, 1,200 of these
    options were exercised. None of these granted options were exercised in
    1995 or 1994.

    At December 31, 1994, there were 59,334 shares as to which options could be
    granted in the future under the 1994 Plan.

    Effective March 1, 1995, the Company adopted the 1995 Stock Option Plan
    (the 1995 Plan), which includes the "Outside Director's Stock Option
    Agreement" and the "Nonqualified Stock Option Agreement." The maximum
    number of shares for which options could be granted or sold under the 1995
    Plan was 214,000 shares of Common Stock. This number is limited by the
    29,000 options which were granted under the 1994 Plan. Shares of Common
    Stock subject to options which for any reason expire or terminate
    unexercised, and shares which are reacquired by the Company after issuance
    under the 1995 Plan, may again be available for grant or purchase under the
    1995 Plan. The number of shares of Common Stock available for issuance
    under the 1995 Plan are subject to adjustment in the event of certain
    corporate transactions, including stock dividends, mergers,
    recapitalizations, or similar events.

    In 1996, options representing 1,800 shares included in the 1995 plan were
    reacquired by the Company. On March 1, 1996, options representing 14,000
    shares were granted to the outside directors of the Company at an option
    price of $11.25 per share. On September 30, 1996, options representing
    5,700 shares were granted to certain officers of the Company at an option
    price of $11.00 per share. In 1995, options representing 103,000 shares
    included in the 1995 Plan were granted to certain directors and officers of
    the Company at an option price of $6.25 per share. The grant date of these
    options is March 1, 1995. Under the "Outside Director's Stock Option
    Agreement," the outside director shall have a right to exercise the option
    at any time after the date of grant or the date the Company's shareholders
    approve the 1995 Plan, whichever is later, but the option may not be
    exercised, in whole or in part, after the seventh anniversary of the date
    of grant. Under the "Nonqualified Stock Option Agreement," options are
    exercisable in one-third increments commencing one year after the grant
    date. The option, however, may not be exercised, in whole or in part, after
    five years from the date of grant. None of these granted options were
    exercised in 1996 or 1995.

    At December 31, 1996, there were 64,100 shares as to which options could be
    granted in the future under the 1995 Plan.

    Following is a summary of changes in the number of shares of Common Stock
    represented by options granted:

<TABLE>
<CAPTION>
                                                                          Number of
                                                                           Shares
                                                                           -------
<S>                                                                         <C>   
Options outstanding as of December 31, 1994                                 29,000
Options granted under the 1995 Plan (exercisable at $6.25 per share)       103,000
                                                                           -------
Options outstanding as of December 31, 1995                                132,000
                                                                           -------
Options granted under the 1995 Plan (exercisable at $11.25 and $11.00)      19,700
Options exercised in 1996                                                   (1,200)
Options reacquired                                                          (1,800)
                                                                           -------
Options outstanding as of December 31, 1996                                148,700
                                                                           =======
</TABLE>





                                       42
<PAGE>   43
                 NATIONAL BANCSHARES OF TEXAS AND SUBSIDIARIES
                   NOTES TO CONSOLIDATED FINANCIAL STATEMENTS



    Effective January 1, 1996, the Company adopted the disclosure provisions of
    SFAS No. 123, "Accounting for Stock-Based Compensation," however, the
    Company will continue to account for stock-based compensation using APB
    Opinion No. 25 for both stock option plans and, accordingly, no
    compensation cost will be recognized for stock options in the consolidated
    financial statements. In determining compensation cost based on the fair
    value method at the date of grant for stock options under SFAS No. 123, the
    Company's net income and net income per share would have been reduced by
    less than 1% for 1996, 1995 and 1994.

15. OTHER OPERATING EXPENSES

    Other operating expenses include the following:

<TABLE>
<CAPTION>
                                          DECEMBER 31,
                                  --------------------------
                                   1996      1995      1994
                                  ------    ------    ------
                                    (Dollars in Thousands)
<S>                               <C>       <C>       <C>   
Data processing expenses          $  418    $  648    $  630
FDIC insurance                         6       257       449
Insurance                            109       122       132
Office supplies                      375       295       250
Postage and courier                  379       333       258
Professional fees                    689       833       631
Goodwill amortization                 35        --        --
Miscellaneous                      1,183     1,043       773
                                  ------    ------    ------
Total                             $3,194    $3,531    $3,123
                                  ======    ======    ======

</TABLE>

16. FEDERAL INCOME TAX

    The provision for federal income tax consisted of the following:
<TABLE>
<CAPTION>
                                   YEARS ENDED DECEMBER 31,
                                  --------------------------
                                   1996      1995      1994
                                  ------    ------    ------
                                    (Dollars in Thousands)
<S>                               <C>       <C>       <C>   
Currently Paid or Payable         $  145    $  121    $  120
Deferred Expense                      61        38       320
                                  ------    ------    ------
                                  $  206    $  159    $  440
                                  ======    ======    ======

</TABLE>


    The provision for federal income tax is less than that computed by applying
    the federal statutory rate of 34% as indicated in the following analysis:
<TABLE>
<CAPTION>
                                                          YEARS ENDED DECEMBER 31,
                                                      -------------------------------
                                                       1996        1995        1994
                                                      -------     -------     -------
                                                             (Dollars in Thousands)
<S>                                                   <C>         <C>         <C>    
Tax Based on Statutory Rate                           $ 2,011     $ 2,062     $ 1,841
Effect of Tax-exempt Income                               (33)        (28)        (27)
Interest and Other Nondeductible Expenses                   7          98         163
Decrease in Deferred Tax Asset Valuation Allowance     (1,949)     (2,082)     (1,554)
Alternative Minimum Tax                                   132         125         120
Goodwill                                                   12          --          --
Other - Net                                                26         (16)       (103)
                                                      -------     -------     -------
                                                      $   206     $   159     $   440
                                                      =======     =======     =======
</TABLE>





                                       43
<PAGE>   44
                 NATIONAL BANCSHARES OF TEXAS AND SUBSIDIARIES
                   NOTES TO CONSOLIDATED FINANCIAL STATEMENTS


The components of the deferred income tax asset included in other assets were
as follows:

<TABLE>
<CAPTION>
                                                               YEARS ENDED DECEMBER 31,
                                                               ------------------------
                                                                  1996         1995
                                                                --------     --------
                                                                (Dollars in Thousands)
<S>                                                             <C>          <C>     
Deferred Tax Assets Related to:
  Net Operating Loss Carryforward                               $ 36,478     $ 38,299
  Other Real Estate Owned                                             71           73
  Allowance for Loan Losses                                            1           24
  Securities Valuation Reserve                                        72           97
  Non-accrual Loan Interest                                           69           --
  Other                                                               76           37
                                                                --------     --------
                                                                  36,767       38,530
  Less Valuation Allowance                                        33,403       35,352
                                                                --------     --------
    Total Deferred Tax Assets                                      3,364        3,178
                                                                --------     --------

Deferred Tax Liabilities Related to:
  Allowance for Loan Losses                                         (122)          --
  Depreciation                                                      (121)         (47)
  Bond Accretion                                                     (83)         (40)
  Other                                                             (211)          --
  Net Unrealized Appreciation on Securities Available for Sale      (182)        (366)
                                                                --------     --------
    Total Deferred Tax Liabilities                                  (719)        (453)
                                                                --------     --------
      Net Deferred Tax Asset                                    $  2,645     $  2,725
                                                                ========     ========

</TABLE>


    For federal income tax purposes, the Company had approximately $107 million
    in net operating loss carrryforwards as of December 31, 1996 which will be
    available to reduce income tax liabilities in future years. If unused,
    approximately $103 million of such carryforwards will expire in 2005, with
    the remaining approximately $4 million expiring in 2006.

    Pursuant to SFAS No. 109, the Company had available certain deductible
    temporary differences and net operating loss carryforwards for use in
    future tax reporting periods, which created deferred tax assets. SFAS No.
    109, requires that deferred tax assets be reduced by a valuation allowance
    if, based on the weight of the available evidence, it is more likely than
    not that some portion or all of the deferred tax assets will not be
    realized.

    During the year ended December 31, 1996 and 1995, the deferred tax asset
    valuation allowance was reduced by $1,949,000 and $2,082,000, respectively,
    to adjust the recorded net deferred tax asset to an amount considered more
    likely than not to be realized. The deferred tax asset net of the valuation
    allowance and recorded on the books of the Company was $2,645,000 at
    December 31, 1996. Realization of this asset is dependent on generating
    sufficient taxable income prior to the expiration of the loss
    carryforwards. Realization could also be affected by a significant
    ownership change of the Company over a period of three years as prescribed
    by income tax law. Although realization of the net deferred tax asset is
    not assured because of these uncertainties, management believes it is more
    likely than not that all of the recorded deferred tax asset will be
    realized.





                                       44
<PAGE>   45
                 NATIONAL BANCSHARES OF TEXAS AND SUBSIDIARIES
                   NOTES TO CONSOLIDATED FINANCIAL STATEMENTS


17. RELATED PARTY TRANSACTIONS

    The Banks have entered into transactions with their directors, executive
    officers, and their affiliates. Such transactions were made in the ordinary
    course of business on substantially the same terms and conditions,
    including interest rates and collateral, as those prevailing at the same
    time for comparable transactions with other customers, and did not, in the
    opinion of management, involve more than normal credit risk or present
    other unfavorable features. The aggregate amount of loans to such related
    parties at December 31, 1996 and 1995 was $3,702,000 and $4,847,000. During
    the year ended December 31, 1996 and 1995, new loans to such related
    parties amounted to $1,580,000 and $660,000 and repayments amounted to
    $2,725,000 and $742,000.

18. FINANCIAL INSTRUMENTS

    The Banks are party to financial instruments with off-balance sheet risk in
    the normal course of business to meet the financing needs of their
    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 consolidated financial statements. The contract or
    notional amounts of those instruments reflect the extent of the Banks'
    involvement in particular classes of financial instruments.

    The Banks' exposure to credit loss in the event of nonperformance by the
    other party to the financial instrument for commitments to extend credit
    and standby letters of credit is represented by the contractual notional
    amount of those instruments. The Banks use the same credit policies in
    making commitments and conditional obligations as they do for on-balance
    sheet instruments.

    Commitments to extend credit are agreements to lend to a customer as long
    as there is no violation of any condition 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. The Banks evaluate
    each customer's creditworthiness on a case-by-case basis. The amount of
    collateral obtained, if it is deemed necessary by the Banks upon extension
    of credit, is based on management's credit evaluation of the counterparty.
    Collateral held varies but may include accounts receivable; inventory;
    property, plant, and equipment; and income- producing commercial
    properties.

    Standby letters of credit are conditional commitments issued by the Banks
    to guarantee the performance of a customer to a third party. Those
    guarantees are primarily issued to support public and private borrowing
    arrangements. The credit risk involved in issuing letters of credit is
    essentially the same as that involved in extending loan facilities to
    customers.





                                       45
<PAGE>   46
                 NATIONAL BANCSHARES OF TEXAS AND SUBSIDIARIES
                   NOTES TO CONSOLIDATED FINANCIAL STATEMENTS


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

<TABLE>
<CAPTION>
                                           DECEMBER 31, 1996         DECEMBER 31, 1995
                                      ------------------------    ------------------------
                                                       (Dollars in Thousands)
                                       Carrying       Fair         Carrying        Fair
                                        Amount        Value         Amount        Value
                                      ----------    ----------    ----------    ----------
<S>                                   <C>           <C>           <C>           <C>       
Financial Assets:
 Cash and Due from Banks              $   17,305    $   17,305    $   14,707    $   14,707
 Interest Bearing Deposits in Banks          529           529           193           193
 Federal Funds Sold                       22,650        22,650        19,845        19,845
 Securities Available for Sale            88,193        88,193        66,864        66,864
 Securities Held to Maturity              72,649        73,362        65,775        67,079
                                   
 Loans - net                             110,850       111,114        89,682        88,877
 Accrued Interest Receivable               2,951         2,951         2,512         2,512

Financial Liabilities:
 Demand Deposits                          46,617        46,617        37,706        37,706
 NOW, Money Market, and
  Savings Accounts                        97,871        97,871        83,490        83,490
 Time Deposits                           135,267       136,032       110,741       111,065
 Accrued Interest Payable                    865           865           682           682
 Other Debt                                3,995         3,995           366           366
</TABLE>

    The fair value of off-balance sheet assets and liabilities is not
considered significant.

    A summary of the notional amounts of the Bank's financial instruments with
    off-balance sheet risk at December 31, 1996 is as follows:

<TABLE>
<CAPTION>
                                                       Notional Amount
                                                       ---------------
<S>                                                         <C>       
Commitments to Extend Credit                                $7,888,000
Standby Letters of Credit                                      711,000
</TABLE>

    LIMITATIONS:

    Fair value estimates are made at a specific point in time, based on
    relevant market information and information about the financial instrument.
    These estimates do not reflect any premium or discount that could result
    from offering for sale at one time the Company's entire holdings of a
    particular financial instrument. Because no market exists for a significant
    portion of the Company's financial instruments, fair value estimates are
    based on judgments regarding current economic conditions, risk
    characteristics of various financial instruments, and other factors. These
    estimates are subjective in nature and involve uncertainties and matters of
    significant judgment and, therefore, cannot be determined with precision.
    Changes in assumptions could significantly affect the estimates.

    Fair value estimates are based on existing on and off-balance sheet
    financial instruments without attempting to estimate the value of
    anticipated future business and the value of assets and liabilities that
    are not considered financial instruments. Other significant assets and
    liabilities that are not considered financial assets or liabilities include
    the deferred tax asset, bank premises and equipment, other real estate
    owned, and other assets. In addition, the tax ramifications related to the
    realization of the unrealized gains and losses can have a significant
    effect on fair value estimates and have not been considered in the
    estimates.

                                      46
<PAGE>   47
                 NATIONAL BANCSHARES OF TEXAS AND SUBSIDIARIES
                   NOTES TO CONSOLIDATED FINANCIAL STATEMENTS



18. SUPPLEMENTAL CASH FLOW INFORMATION

    Supplemental cash flow information is as follows:

<TABLE>
<CAPTION>
                                                YEARS ENDED DECEMBER 31,
                                                1996      1995      1994
                                              ----------------------------
                                                 (Dollars in Thousands)
<S>                                           <C>       <C>       <C>   
Cash paid:
 Interest                                     $7,988    $7,267    $4,875
 Income taxes                                    126       166        61
Non-cash items:
 Loans originated to facilitate the sale of
  foreclosed assets                              130       416       323
 Loan foreclosures                                66       385       104
</TABLE>

19. CONCENTRATIONS OF CREDIT

    Substantially all of the Banks' loans, commitments, and standby letters of
    credit have been granted to customers in the Banks' market areas which
    include South and South Central Texas. Substantially all of these customers
    are depositors of the Banks. Investments in state and municipal securities
    also involve governmental entities within the Banks' market areas. The
    concentrations of credit by type of loan are set forth in note 4. The
    distribution of commitments to extend credit approximates the distribution
    of loans outstanding. Standby letters of credit are granted primarily to
    commercial borrowers.

20. REGULATORY MATTERS

    The amount of dividends that may be declared by the Banks without prior
    approval of the various regulatory agencies is limited by statutory and
    regulatory rules.

    The Company and its subsidiary Banks are required to maintain minimum
    ratios of Tier 1 capital to total average assets and minimum ratios of Tier
    1 and total capital to risk weighted assets, as defined by the banking
    regulators.


    The Company and its subsidiary banks are subject to various regulatory
    capital requirements administered by the 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 Company's financial
    statements. Under capital adequacy guidelines and the regulatory framework
    for prompt corrective action, the Company and its subsidiary banks must
    meet specific capital guidelines that involve quantitative measures of the
    Company and its subsidiary banks assets, liabilities, and certain
    off-balance sheet items as calculated under regulatory accounting
    practices. The Company and its subsidiary banks capital amounts and
    classification are also subject to qualitative judgments by the regulators
    about components, risk weightings, and other factors.

    Quantitative measures established by regulation to ensure capital adequacy
    require the Company and its subsidiary banks to maintain minimum amounts
    and ratios (set forth in the table below) of total and Tier I capital (as
    defined in the regulations) to risk-weighted assets (as defined), and of
    Tier I capital (as defined) to average assets (as defined). Management
    believes, as of December 31, 1996, that the Company and its subsidiary
    banks meet all capital adequacy requirements to which it is subject.

    As of December 31, 1996, the most recent notification from the Banking
    regulators categorized the Company and its subsidiary banks as well
    capitalized under the regulatory framework for prompt corrective action. To
    be categorized as well capitalized the Company and its subsidiary banks
    must maintain minimum total risk-based, Tier I risk-based, and Tier I
    leverage ratios as set forth in the table. There are no conditions or
    events since that notification that management believes have changed the
    institutions' categories.





                                       47
<PAGE>   48
                 NATIONAL BANCSHARES OF TEXAS AND SUBSIDIARIES
                   NOTES TO CONSOLIDATED FINANCIAL STATEMENTS



    The Company and its subsidiary banks actual capital amounts and ratios are
also presented in the table.

<TABLE>
<CAPTION>
                                                                                                             TO BE WELL CAPITALIZED
                                                                                  FOR CAPITAL               UNDER PROMPT CORRECTIVE
AS OF DECEMBER 31, 1996:                                ACTUAL                 ADEQUACY PURPOSES               ACTION PROVISIONS
                                               -----------------------      ---------------------          -----------------------
                                                AMOUNT           RATIO       AMOUNT         RATIO           AMOUNT           RATIO
                                               --------          -----      --------        -----          --------          ----- 
<S>                                            <C>               <C>        <C>              <C>             <C>             <C>   
Total Capital to Risk Weighted Assets:
                                                                                           Greater                          Greater
                                                                                           than or                          than or
                                                                                           equal to                        equal to
  CONSOLIDATED                                 $41,100           34.84%     $ 9,439          8.00%           $11,799         10.00%

                                                                                           Greater                          Greater
                                                                                           than or                          than or
                                                                                           equal to                        equal to
  Eagle Pass                                    17,305           34.60        4,001          8.00              5,000         10.00

                                                                                           Greater                          Greater
                                                                                           than or                          than or
                                                                                           equal to                        equal to
  Laredo                                         7,645           19.67        3,110          8.00              3,887         10.00

                                                                                           Greater                          Greater
                                                                                           than or                          than or
                                                                                           equal to                        equal to
  Rockdale                                       7,247           46.14        1,257          8.00              1,571         10.00

                                                                                           Greater                          Greater
                                                                                           than or                          than or
                                                                                           equal to                        equal to
  Luling                                         3,108           18.35        1,355          8.00              1,693         10.00


Tier 1 Capital to Risk Weighted Assets:

                                                                                           Greater                          Greater
                                                                                           than or                          than or
                                                                                           equal to                        equal to
  CONSOLIDATED                                 $39,614           33.58%     $ 4,719          4.00%           $ 7,079         6.00%

                                                                                           Greater                          Greater
                                                                                           than or                          than or
                                                                                           equal to                        equal to
  Eagle Pass                                    16,674           33.34        2,000          4.00              3,001         6.00

                                                                                           Greater                          Greater
                                                                                           than or                          than or
                                                                                           equal to                        equal to
  Laredo                                         7,159           18.42        1,555          4.00              2,332         6.00

                                                                                           Greater                          Greater
                                                                                           than or                          than or
                                                                                           equal to                        equal to
  Rockdale                                       7,051           44.89          628          4.00                942         6.00

                                                                                           Greater                          Greater
                                                                                           than or                          than or
                                                                                           equal to                        equal to
  Luling                                         2,896           17.10          677          4.00              1,016         6.00


Tier 1 Capital to Average Assets:

                                                                                           Greater                          Greater
                                                                                           than or                          than or
                                                                                           equal to                        equal to
  CONSOLIDATED                                 $39,614           13.67%     $11,588          4.00%           $14,486         5.00%

                                                                                           Greater                          Greater
                                                                                           than or                          than or
                                                                                           equal to                        equal to
  Eagle Pass                                    16,674           10.27        6,496          4.00              8,120         5.00

                                                                                           Greater                          Greater
                                                                                           than or                          than or
                                                                                           equal to                        equal to
  Laredo                                         7,159           11.63        2,462          4.00              3,078         5.00

                                                                                           Greater                          Greater
                                                                                           than or                          than or
                                                                                           equal to                        equal to
  Rockdale                                       7,051           13.32        2,118          4.00              2,647         5.00

                                                                                           Greater                          Greater
                                                                                           than or                          than or
                                                                                           equal to                        equal to
  Luling                                         2,896           11.25        1,030          4.00              1,288         5.00
</TABLE>

<TABLE>
<CAPTION>
                                                                                                             TO BE WELL CAPITALIZED
                                                                                  FOR CAPITAL               UNDER PROMPT CORRECTIVE
AS OF DECEMBER 31, 1995:                                ACTUAL                 ADEQUACY PURPOSES               ACTION PROVISIONS
                                               -----------------------      ---------------------          -----------------------
                                                AMOUNT           RATIO       AMOUNT         RATIO           AMOUNT           RATIO
                                               --------          -----      --------        -----          --------          ----- 
<S>                                            <C>               <C>        <C>              <C>             <C>             <C>   
Total Capital to Risk Weighted Assets:

                                                                                           Greater                          Greater
                                                                                           than or                          than or
                                                                                           equal to                        equal to
  CONSOLIDATED                                 $36,617           37.18%     $ 7,879          8.00%           $ 9,849        10.00%

                                                                                           Greater                          Greater
                                                                                           than or                          than or
                                                                                           equal to                        equal to
  Eagle Pass                                    16,272           35.10        3,709          8.00              4,636        10.00

                                                                                           Greater                          Greater
                                                                                           than or                          than or
                                                                                           equal to                        equal to
  Laredo                                         7,404           21.32        2,780          8.00              3,475        10.00

                                                                                           Greater                          Greater
                                                                                           than or                          than or
                                                                                           equal to                        equal to
  Rockdale                                       6,917           41.47        1,334          8.00              1,668        10.00

Tier 1 Capital to Risk Weighted Assets:

                                                                                           Greater                          Greater
                                                                                           than or                          than or
                                                                                           equal to                        equal to
  CONSOLIDATED                                 $35,234           35.77%     $ 3,940          4.00%           $ 5,909         6.00%

                                                                                           Greater                          Greater
                                                                                           than or                          than or
                                                                                           equal to                        equal to
  Eagle Pass                                    15,687           33.83        1,855          4.00              2,782         6.00

                                                                                           Greater                          Greater
                                                                                           than or                          than or
                                                                                           equal to                        equal to
  Laredo                                         6,969           20.06        1,390          4.00              2,085         6.00

                                                                                           Greater                          Greater
                                                                                           than or                          than or
                                                                                           equal to                        equal to
  Rockdale                                       6,706           40.21          667          4.00              1,001         6.00

Tier 1 Capital to Average Assets:  

                                                                                           Greater                          Greater
                                                                                           than or                          than or
                                                                                           equal to                        equal to
  CONSOLIDATED                                 $35,234           13.28%     $10,611          4.00%           $13,263         5.00%

                                                                                           Greater                          Greater
                                                                                           than or                          than or
                                                                                           equal to                        equal to
  Eagle Pass                                    15,687           10.51        6,089          4.00              7,611         5.00

                                                                                           Greater                          Greater
                                                                                           than or                          than or
                                                                                           equal to                        equal to
  Laredo                                         6,969           11.93        2,336          4.00              2,920         5.00

                                                                                           Greater                          Greater
                                                                                           than or                          than or
                                                                                           equal to                        equal to
  Rockdale                                       6,706           12.88        2,083          4.00              2,603         5.00
</TABLE>





                                       48
<PAGE>   49
                 NATIONAL BANCSHARES OF TEXAS AND SUBSIDIARIES
                   NOTES TO CONSOLIDATED FINANCIAL STATEMENTS



21. PARENT COMPANY CONDENSED FINANCIAL STATEMENTS

    Condensed balance sheet information of National Bancshares Corporation of
    Texas (The Parent Company) at December 31, 1996 and 1995, and the related
    statements of income and cash flows for the years then ended are as
    follows:

                    NATIONAL BANCSHARES CORPORATION OF TEXAS
                             (PARENT COMPANY ONLY)
                                 BALANCE SHEETS
                           DECEMBER 31, 1996 AND 1995
                             (DOLLARS IN THOUSANDS)


<TABLE>
<CAPTION>
                                     ASSETS
                                                              1996            1995
                                                             -------        -------
<S>                                                          <C>            <C>    
Cash                                                         $ 1,467        $   808
Interest Bearing Deposits in Banks                                32            315
Securities Available for Sale                                     --          1,062
Investment in Subsidiaries                                    41,390         30,072
Fixed Assets - net                                                36            574
Other Real Estate Owned                                           --            249
Federal Tax Benefits Due                                         599            632
Deferred Tax Asset                                             3,074          2,947
Other Assets                                                     136            120
                                                             -------        -------
                                                             $46,734        $36,779
                                                             =======        =======



                     LIABILITIES AND STOCKHOLDERS' EQUITY

Accounts Payable                                             $   104        $    50
Notes Payable - net                                            3,639             --
Accrued Interest Payable and Other Liabilities                    82             37
                                                             -------        -------
    Total Liabilities                                          3,825             87
                                                             -------        -------
Redeemable Preferred Stock - Series B Convertible                 --            715
                                                             -------        -------
Common Stock                                                       5              4
Surplus - Common Stock                                        16,341         15,619
Retained Earnings                                             25,321         19,611
Net Unrealized Appreciation on Securities Available
  for Sale, net of Tax of $182 in 1996 and $366 in 1995        1,242            743
                                                             -------        -------
    Total Stockholders' Equity                                42,909         35,977
                                                             -------        -------
                                                             $46,734        $36,779
                                                             =======        =======

</TABLE>





                                       49
<PAGE>   50
                 NATIONAL BANCSHARES OF TEXAS AND SUBSIDIARIES
                   NOTES TO CONSOLIDATED FINANCIAL STATEMENTS



                    NATIONAL BANCSHARES CORPORATION OF TEXAS
                             (PARENT COMPANY ONLY)
                              STATEMENTS OF INCOME
                  YEARS ENDED DECEMBER 31, 1996, 1995 AND 1994
                (DOLLARS IN THOUSANDS, EXCEPT PER SHARE AMOUNTS)

<TABLE>
<CAPTION>
                                                                    1996             1995              1994
                                                                ----------        ----------        ----------
<S>                                                             <C>               <C>               <C>       
Income:
  Dividends from Subsidiaries                                   $    2,697        $       --        $    3,372
  Undistributed Earnings of Subsidiaries                             1,543             4,613               975
  Other Income                                                         352                90                 8
  Net Realized Gains on Sales of Securities                             11                 1                --
  Gain on Sale of Other Real Estate Owned                               17                --                41
  Interest on Deposits in Banks                                         14                18                 9
  Interest and Dividends on Investment Securities                       47               154                46
                                                                ----------        ----------        ----------
                                                                     4,681             4,876             4,451
                                                                ----------        ----------        ----------

Expenses:
  Salaries and Employee Benefits                                       404               349               294
  Occupancy and Equipment Expenses                                     217               131                57
  Interest Expense                                                      47               141               525
  Other Operating Expenses                                             298               547               367
                                                                ----------        ----------        ----------
                                                                       966             1,168             1,243
                                                                ----------        ----------        ----------
    Income Before Federal Income Tax and Extraordinary Item          3,715             3,708             3,208

Federal Income Tax Benefit                                           1,995             2,197             1,768
                                                                ----------        ----------        ----------

    Income Before Extraordinary Item                                 5,710             5,905             4,976
                                                                ----------        ----------        ----------

Extraordinary Item - Gain on Extinguishment of Debt,
  net of income tax of $4                                               --               219                --
                                                                ----------        ----------        ----------
    Net Income                                                  $    5,710        $    6,124        $    4,976
                                                                ==========        ==========        ==========
Earnings Per Share:
  Income Before Extraordinary Item                              $     1.21        $     1.23        $     1.25
  Extraordinary Item                                                    --              0.05                --
                                                                ----------        ----------        ----------
    Net Income                                                  $     1.21        $     1.28        $     1.25
                                                                ==========        ==========        ==========
Weighted Average Number of Common Shares and
  Common Equivalent Shares Outstanding                           4,715,010         4,785,132         3,988,185
                                                                ==========        ==========        ==========
</TABLE>





                                       50
<PAGE>   51
                 NATIONAL BANCSHARES OF TEXAS AND SUBSIDIARIES
                   NOTES TO CONSOLIDATED FINANCIAL STATEMENTS



                    NATIONAL BANCSHARES CORPORATION OF TEXAS
                             (PARENT COMPANY ONLY)
                            STATEMENTS OF CASH FLOWS
              FOR THE YEARS ENDED DECEMBER 31, 1996, 1995 AND 1994
                             (DOLLARS IN THOUSANDS)

<TABLE>
<CAPTION>
                                                                         1996            1995            1994
                                                                       -------         -------         -------
<S>                                                                    <C>             <C>             <C>    
CASH FLOWS FROM OPERATING ACTIVITIES:
Net Income                                                             $ 5,710         $ 6,124         $ 4,976
Adjustments to reconcile net income to net

 cash provided by operating activities:
   Equity in earnings of subsidiaries                                   (4,240)         (4,613)         (4,347)
   Dividends received                                                    2,697              --           3,372
   Depreciation and amortization                                           109             (33)            346
   Net realized gains on securities available for sale                     (11)             (1)             --
   Direct write-downs of other real estate owned                            --              50              --
   Gain on sale of other real estate owned and other assets                (17)             --             (41)
   Extraordinary gain on prepayment of debt (gross)                         --            (223)             --
   (Increase) decrease in accrued interest receivable and other           (307)           (390)            388
   Increase (decrease) in accrued interest payable and other                99            (107)            (15)
                                                                       -------         -------         -------
    NET CASH PROVIDED BY OPERATING ACTIVITIES                            4,040             807           4,679
                                                                       -------         -------         -------


CASH FLOWS FROM INVESTING ACTIVITIES:
 Net decrease (increase) in interest bearing accounts                      283             (36)           (279)
 Purchases of securities available for sale                             (3,657)         (6,425)             --
 Proceeds from sales of securities available for sale                    1,042           2,377              --
 Proceeds from maturities of securities available for sale                  74           3,334              --
 Purchases of securities to be held to maturity                             --              --          (6,566)
 Proceeds from maturities of securities to be held to maturity              --           5,566           1,000
 Capital expenditures                                                     (188)           (608)             (1)
 Proceeds from sale of other real estate owned                             266              --             498
 Net payments for investment in subsidiary                              (1,209)             --              --
                                                                       -------         -------         -------

    NET CASH (USED IN) PROVIDED BY INVESTING ACTIVITIES                 (3,389)          4,208          (5,348)
                                                                       -------         -------         -------

CASH FLOWS FROM FINANCING ACTIVITIES:
 Sale of Common Stock                                                       --              --           4,975
 Proceeds from advances on short term debt                                 140              --              --
 Principal payments on other debt                                         (140)         (4,037)         (3,890)
 Exercise of Common Stock options                                            8              --              94
 Redemption of Series A Preferred Stock                                     --          (1,111)             --
                                                                       -------         -------         -------
    NET CASH (USED IN) PROVIDED BY FINANCING ACTIVITIES                      8          (5,148)          1,179
                                                                       -------         -------         -------
 Net increase (decrease) in cash and due from banks                        659            (133)            510
 Cash and due from banks at beginning of year                              808             941             431
                                                                       -------         -------         -------
 Cash and due from banks at end of year                                $ 1,467         $   808         $   941
                                                                       =======         =======         =======
</TABLE>





                                       51
<PAGE>   52



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

         None.

                                    PART III

ITEM 10.  DIRECTORS AND EXECUTIVE OFFICERS OF THE REGISTRANT

         Information required by this Item with respect to directors of the
Company as well as executive officers who are also directors of the Company is
incorporated by reference from the Company's definitive proxy statement for its
1996 Annual Meeting of Shareholders to be held May 16, 1997.

         Information required by this Item with respect to executive officers
of the Company who are not also directors of the Company is set forth below.

FRANK D. BARROW, age 52, has been Chairman of the Board and President of
NBC-Rockdale since 1986.

WILLIAM D. HALES, age 50, has been President of FNB-Luling since March 1988.

         The Company also employs six significant employees who are not
directors or executive officers of the Company but who make or are expected to
make significant contributions to the business of the Company. The following
sets forth biographical information of the persons:

N. VICTOR FELAN, age 39, has been Senior Vice President of NBC-Eagle Pass since
April 1996. Mr. Felan oversees the San Antonio loan production office.
Formerly, Mr. Felan was Vice President of First Commercial Bank, Sequin, Texas
from January 1994 until April 1996.  In addition, Mr. Felan was Senior Vice
President of International Bank of Commerce, Laredo, Texas from 1986 to 1994.

MARIO J. GONZALEZ, age 33, has been Executive Vice President of NBC-Laredo
since April 1993.  Formerly, Mr. Gonzalez was a National Bank Examiner with the
OCC, from October 1986 until April 1993.

R. SAMUEL JUVE, age 44, has been an Executive Vice President of NBC-Eagle Pass,
since April 1993. Mr. Juve was formerly Senior Vice President of NBC-Eagle Pass
from February 1990 until March 1993.

DWAYNE J. KOLLY, age 44, has been Senior Vice President and Cashier for
NBC-Laredo since October 1993.  Formerly, Mr.  Kolly was Vice President and
Cashier of First National Bank, Uvalde, Texas, from 1986 to 1993.

ANNE R. RENFROE, age 32, has been the Chief Financial Officer of the Company
since May 1995.  Formerly, Ms. Renfroe was Vice-President and Controller of
Texas Independent Bank, Dallas, Texas from December 1992 to January 1995.  In
addition, from August 1989 to December 1992 Ms. Renfroe was an audit supervisor
with Fisk Robinson, P.C., Dallas, Texas.  Ms.  Renfroe is a certified public
accountant.

GEORGE W. SCHUH, age 50, has been Executive Vice President, Cashier and
Secretary of NBC-Eagle Pass since March 1994.  Formerly, Mr. Schuh was Senior
Vice President, Cashier and Secretary of NBC-Eagle Pass from June 1992 to March
1994.  In addition, from August 1991 to June 1992, Mr. Schuh was Senior Vice
President & Cashier for The Bank of the West, Austin, Texas.

ITEM 11.  EXECUTIVE COMPENSATION

         Information required by this Item is incorporated by reference from
the Company's definitive proxy statement for its 1997 Annual Meeting of
Shareholders to be held May 16, 1997.





                                       52
<PAGE>   53




ITEM 12.  SECURITY OWNERSHIP OF CERTAIN BENEFICIAL OWNERS AND MANAGEMENT

         Information required by this Item is incorporated by reference from
the Company's definitive proxy statement for its 1997 Annual Meeting of
Shareholders to be held May 16, 1997.



ITEM 13.  CERTAIN RELATIONSHIPS AND RELATED TRANSACTIONS

         Information required by this Item is incorporated by reference from
the Company's definitive proxy statement for its 1997 Annual Meeting of
Shareholders to be held May 16, 1997.

                                    PART IV

ITEM 14.  EXHIBITS AND REPORTS ON FORM 8-K

a.EXHIBITS

<TABLE>
<CAPTION>
EXHIBIT
 NUMBER  DESCRIPTION OF DOCUMENT
 ------  -----------------------
<S>      <C>                                                                                                            <C>
2.1      Third Amended Joint Plan of Reorganization, 
         as approved by U.S. Bankruptcy Court, 
         effective May 26, 1992 ........................................................................................ *

3.1      Restated Articles of Incorporation and 
         Statement of Relative Rights and Preferences 
         of Preferred Stock, filed December 29, 1994 ................................................................... **

3.2      Bylaws of the Company.......................................................................................... *

10.1     Employment Agreement between the Company 
         and Jay H. Lustig, dated October 1, 1992 ...................................................................... *

10.2     Employment Agreement between the Company 
         and Marvin E. Melson dated July 26, 1994 ...................................................................... **

10.3     1994 Non-Qualified Stock Option Plan, 
         adopted March 30, 1994 ........................................................................................ *

10.4     Exhibit number not used........................................................................................

10.5     Exhibit number not used........................................................................................

10.6     Office lease for 111 Soledad, San Antonio, Texas...............................................................

10.7     Office Lease for 613 N.W. Loop 410, San Antonio,Texas..........................................................

10.8     Sublease for 100 Wilshire Boulevard, Santa Monica, California..................................................

10.9     Form of Stock Subscription Agreement for 1994 Private Placement................................................ ***

10.10    1995 Stock Option Plan......................................................................................... ***

10.11    Form of Outside Director's Stock Option Agreement for 1995 Stock Option Plan................................... ***
</TABLE>





                                       53
<PAGE>   54

<TABLE>
<S>      <C>                                                                                                            <C>
10.12    Form of Non-Qualified Stock Option Agreement for 1995 Stock Option Plan........................................ ***

11.1     Computation of Earnings Per Share..............................................................................

21.1     Subsidiaries of the Company....................................................................................

27.1     Financial Data Schedule .......................................................................................

99.1     First Amended Disclosure Statement 
         with Respect to the Second Amended 
         Joint Plan of Reorganization .................................................................................. **
</TABLE>

*        Previously filed on November 14, 1994, with the Company's Form 10-SB.
**       Previously filed on March 2, 1995, with the Company's Amendment No1 to
         Form 10-SB.
***      Previously filed on June 19, 1995, with the Company's Form SB-2, File
         no. 33-93638.

B.REPORTS ON FORM 8-K

         No reports on Form 8-K were filed with the Securities and Exchange
Commission during the last quarter of the period covered by this Report.





                                       54
<PAGE>   55




                                   SIGNATURES

         Pursuant to the requirements of Section 13 or 15(d) of the Securities
Exchange Act of 1934, National Bancshares Corporation of Texas has duly caused
this report to be signed on its behalf by the undersigned, this 25th day of
March, 1997, thereunto duly authorized.

                    NATIONAL BANCSHARES CORPORATION OF TEXAS



                                    By:  /s/ Anne R. Renfroe
                                       ---------------------------------
                                        Anne R. Renfroe
                                        Chief Financial Officer and Chief 
                                        Accounting Officer


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


<TABLE>
<CAPTION>
  SIGNATURE                                      TITLE                                    DATE
<S>                                        <C>                                       <C>
/s/ Jay H. Lustig                          Chairman of the Board                     March 25, 1997
- -----------------
Jay H. Lustig



/s/ Marvin E. Melson                       Director, President                       March 25, 1997
- --------------------                       Chief Executive Officer        
Marvin E. Melson                             




 /s/ H. Gary Blankenship                   Director                                  March 25, 1997
- ------------------------
H. Gary Blankenship




/s/ John W. Lettunich                      Director                                  March 25, 1997
- ---------------------
John W. Lettunich




/s/ Charles T. Meeks                       Director                                  March 25, 1997
- --------------------
Charles T. Meeks
</TABLE>





                                       55
<PAGE>   56

 EXHIBITS

<TABLE>
<CAPTION>
 EXHIBIT
 NUMBER  DESCRIPTION OF DOCUMENT
 ------  -----------------------
<S>      <C>                                                                                                            <C>
2.1      Third Amended Joint Plan of Reorganization, 
         as approved by U.S. Bankruptcy Court, 
         effective May 26, 1992 ........................................................................................ *

3.1      Restated Articles of Incorporation and 
         Statement of Relative Rights and Preferences 
         of Preferred Stock, filed December 29, 1994 ................................................................... **

3.2      Bylaws of the Company.......................................................................................... *

10.1     Employment Agreement between the Company 
         and Jay H. Lustig, dated October 1, 1992 ...................................................................... *

10.2     Employment Agreement between the Company 
         and Marvin E. Melson dated July 26, 1994 ...................................................................... **

10.3     1994 Non-Qualified Stock Option Plan, 
         adopted March 30, 1994 ........................................................................................ *

10.4     Exhibit number not used........................................................................................

10.5     Exhibit number not used........................................................................................

10.6     Office lease for 111 Soledad, San Antonio, Texas...............................................................

10.7     Office Lease for 613 N.W. Loop 410, San Antonio,Texas..........................................................

10.8     Sublease for 100 Wilshire Boulevard, Santa Monica, California..................................................

10.9     Form of Stock Subscription Agreement for 1994 Private Placement................................................ ***

10.10    1995 Stock Option Plan......................................................................................... ***

10.11    Form of Outside Director's Stock Option Agreement for 1995 Stock Option Plan................................... ***

10.12    Form of Non-Qualified Stock Option Agreement for 1995 Stock Option Plan........................................ ***

11.1     Computation of Earnings Per Share..............................................................................

21.1     Subsidiaries of the Company....................................................................................

27.1     Financial Data Schedule .......................................................................................

99.1     First Amended Disclosure Statement 
         with Respect to the Second Amended 
         Joint Plan of Reorganization .................................................................................. **
</TABLE>

*        Previously filed on November 14, 1994, with the Company's Form 10-SB.
**       Previously filed on March 2, 1995, with the Company's Amendment No1 to
         Form 10-SB.
***      Previously filed on June 19, 1995, with the Company's Form SB-2, File
         no. 33-93638.



<PAGE>   1
                                                                    Exhibit 10.6





                                LEASE AGREEMENT




                    NATIONAL BANCSHARES CORPORATION OF TEXAS
                                   As Tenant


                                      and


                         COMMERCE PLAZA INVESTORS, L.P.
                                  As Landlord





                                 July 25, 1995
<PAGE>   2
                            BASIC LEASE INFORMATION


<TABLE>
<S>                                        <C>
Tenant:                                    National Bancshares Corporation of Texas,
                                           a Texas Corporation

Notification Address:                      P. O. Box 1511
                                           Laredo, Texas 78042
                                           Attention:  Marvin E. Melson
                                           Facsimile Number:  (210) 717-2734

Landlord:                                  Commerce Plaza Investors, L.P.
                                           a Delaware Limited Partnership

Notification Address:                      3030 LBJ Freeway, Suite 1500
                                           Dallas, Texas 75234
                                           Attention:  Leasing Director
                                           Facsimile Number:  (214) 888-8029

Building:                                  Commerce Plaza office building,
                                           located at 111 Soledad, San Antonio, Texas

Premises:                                  Suite No. 875, containing 1,176 square feet of Net Rentable Area in the
                                           Building, as shown on the floor plan attached to this Lease as Exhibit A.

Term:                                      The period beginning on the Commencement Date and ending at 6:00 p.m. on the
                                           last day of the twenty-fourth (24th) full calendar month after the
                                           Commencement Date.  Thus, unless the Commencement Date falls on the first day
                                           of a calendar month, the Term will also include the initial partial calendar
                                           month immediately following the Commencement Date.
</TABLE>

<TABLE>
<CAPTION>
                                                                                           Monthly      
Base Rent:                                 Months(1)        Rate(2)     Amount(3)         Installment   
                                           -------          ----        ----------         -------      
                                           <S>              <C>                            <C>          
                                            1  to 24        $9.00       $10,584.00         $882.00      
                                           ---    --         ----        ---------          ------      
                                           __ to __         $____       $_________         $______      
                                           __ to __         $____       $_________         $______      
                                           __ to __         $____       $_________         $______      
                                           __ to __         $____       $_________         $______      
                                           __ to __         $____       $_________         $______      
                                           __ to __         $____       $_________         $______      
                                           __ to __         $____       $_________         $______      
                                           __ to __         $____       $_________         $______      
                                           __ to __         $____       $_________         $______      
                                                                    
                                           -------------

                                          (1)Full calendar months after the Commencement Date. For any initial partial
                                             calendar month, the monthly
</TABLE>

<PAGE>   3
<TABLE>
<S>                                        <C>
                                           installment of Base Rent will be the same as in the first full calendar month
                                           after the Commencement Date.

                                        (2)Per square foot of Net Rentable Area per annum.

                                        (3)Expressed on an annualized basis even though the applicable period may be
                                           longer or shorter than twelve months.

Security Deposit:                          $882.00

Base Year:                                 Calendar year 1995

Operating Costs
  Base Rate:                               The rate of Operating Costs per square foot of Net Rentable Area in the
                                           Building for the Base Year.

Tax Costs Base Rate:                       The rate of Tax Costs per square foot of Net Rentable Area in the Building for
                                           the Base Year.

Utilities Costs
  Base Rate:                               The rate of Utilities Costs per square foot of Net Rentable Area in the
                                           Building for the Base Year.

Tenant Improvements:                       Any leasehold improvements installed in the Premises as of the date of this
                                           Lease, together with (and as altered by) the Work Letter Improvements, if any.

Broker:                                    D. B. Harrell Commercial Real Estate Services

Guarantor:                                 None
</TABLE>


The Basic Lease Information is part of the Lease.  Each term in the left column
is used throughout the Lease as a defined term with the meaning stated in the
Basic Lease Information.
<PAGE>   4
                                LEASE AGREEMENT

                             1.  PREMISES AND TERM

1.1      DEMISE OF PREMISES.  Landlord demises to Tenant the Premises located
in the Building, which is situated on the land described in Exhibit B (together
with the Building and other improvements now or hereafter located thereon, the
"Property"), and covenants that subject to the terms and conditions of this
Lease, Tenant will quietly have, hold, and enjoy the Premises so long as Tenant
pays Rent as required by this Lease and otherwise performs and complies with
this Lease.  Tenant accepts the Premises from Landlord in an "as is" condition
(save only for the Work Letter Improvements, if any) without warranty of any
kind except as may be expressly stated to the contrary in this Lease, and
agrees to surrender the Premises to Landlord in the condition required by this
Lease on the expiration of the Term or earlier termination of this Lease.  So
long as Tenant occupies the Premises, Tenant will have the nonexclusive right
to use the lobbies, walks, parking facilities, drives, and other areas of the
Property made available by Landlord from time to time for the common use of
occupants of the Building.

1.2      TERM.  The Term will commence on the date (the "Commencement Date")
that is the earlier of (a) the Substantial Completion Date (as defined in the
Work Letter attached as Rider 1), or (b) the date on which Tenant first begins
to occupy the Premises; and unless terminated earlier pursuant to this Lease,
the Term will expire at the time specified in the Basic Lease Information.  On
receipt from Landlord, Tenant must execute a declaration in the form of Exhibit
C to confirm the date upon which the Commencement Date occurred.  Pending
resolution of any objections Tenant may have to the date reflected as the
Commencement Date in the declaration, Rent must paid based on that date; and on
resolution of Tenant's objections, an appropriate reduction or increase
(without interest or penalty) be made in the next Monthly Rent Installment due.

1.3     AREA CALCULATIONS.  All calculations of Usable Area and Net Rentable
Area under this Lease will be made in accordance with the following
definitions:

         (a)     "Usable Area" means: (i) in the case of a full-floor space to
be occupied by a single tenant, the entire area of the floor measured from the
inside surface of the outer pane of glass and extensions of the plane thereof
in non-glass areas to the inside surface of the opposite outer pane of glass
and extensions of the plane thereof in non- glass areas, including all On-Floor
Common Area and excluding only Service Area and General Common Area; and (ii)
in the case of space on a floor to be occupied by more than one (1) tenant, the
area enclosed by the inside surface of the outer pane of glass and extensions
of the plane thereof in non-glass areas and by demising walls (measured from
the midpoint of demising walls), excluding only Service Area, On-Floor Common
Area, and General Common Area.  No deduction will be made for
<PAGE>   5
columns or projections necessary to the Building.

         (b)     "Net Rentable Area" means: (i) in the case of a full-floor
space to be occupied by a single tenant, the Usable Area of the floor plus an
allocation of General Common Area; and (ii) in the case of space on a floor to
be occupied by more than one (1) tenant, the Usable Area of the space plus an
allocation of both General Common Area and On-Floor Common Area.

         (c)     "Service Area" means an area within vertical penetrations such
as (and measured from the midpoint of the walls enclosing) Building stairs,
elevator shafts, fire towers, flues, vents, stacks, vertical pipe shafts, and
vertical ducts, but excluding structural columns and areas for the specific use
of any tenant (such as special stairs or elevators).

         (d)     "On-Floor Common Area" means the total area on a floor of a
Building located within (and measured from the midpoint of the walls enclosing
or inside surface of the outer pane of glass enclosing) public corridors,
elevator foyers, rest rooms, mechanical rooms, janitor closets, telephone,
electrical and equipment rooms, and other similar facilities for the use of all
tenants on that floor.  The total On-Floor Common Area of a floor to be
occupied by more than one (1) tenant will be allocated to the Net Rentable Area
of a particular space on that floor in proportion to the Usable Area of that
space relative to the total Usable Area on that floor.

         (e)     "General Common Area" means the total area of the Building
within (and measured from the midpoint of the walls enclosing or from the
inside surface of the outer pane of glass enclosing, or extensions of the plane
thereof in non-glass areas) the Building's elevator machine rooms, main
mechanical rooms, loading dock facilities, telephone switch rooms, main
electrical rooms, public lobbies, engineering, security, postal and cleaning
areas, and other areas not leased or held for lease within the Building, but
which are necessary or desirable for the proper utilization of the Building
generally or to Provide services to the Building generally.  The total General
Common Area of the Building will be allocated to the Net Rentable Area of a
particular space in proportion to the Usable Area of that space relative to the
total Usable Area of the Building.

1.4      ADJUSTMENT OF NET RENTABLE AREA. The Net Rentable Area of the Premises
will not be adjusted as a result of variations resulting from initial
construction of any Work Letter Improvements.  If the Net Rentable Area of the
Premises or Building changes for any reason, any Rent calculations based on Net
Rentable Area will be adjusted accordingly effective as of Tenant's receipt of
written notice from Landlord of the adjustment and the reason therefor.  Tenant
may object to errors in the adjustment by Landlord only if Tenant notifies
Landlord in writing within thirty (30) days





                                       2
<PAGE>   6
thereafter of the specific errors made by Landlord.  Pending resolution of any
such objections by Tenant, Rent must be paid as adjusted by Landlord based on
the change in Net Rentable Area; and on resolution of Tenant's objections, an
appropriate reduction or increase (without interest or penalty) will be made in
the next Monthly Rent Installment due.

1.5      RELOCATION OF THE PREMISES.  Upon written notice to Tenant, Landlord
may substitute for the Premises other space in the Building of substantially
the same Net Rentable Area as the Premises with leasehold improvements that, as
nearly as practical, are substantially the same as the Tenant Improvements
initially installed in the Premises.  Within sixty (60) days after Landlord's
written request, Tenant must execute an amendment to this Lease whereby all
references to the Premises in this Lease are changed to refer to the space
substituted for the Premises, Base Rent is adjusted to reflect any resulting
change in Net Rentable Area, and all other provisions of this Lease remain
unchanged.  Landlord will reimburse Tenant for all reasonable and documented
costs incurred to third parties as a direct and necessary result of Tenant's
relocation to the space substituted for the Premises, including expenses for
moving property, reconnecting equipment, and reprinting stationery.  Landlord
agrees to relocate Tenant's furnishings and equipment during nonbusiness hours
and over the course of a weekend.

1.6      ALTERATIONS OF THE PROPERTY.  Landlord may (without unreasonable
interference with Tenant's use of the Premises) make alterations, additions, or
improvements to the Building and other parts of the Property from time to time,
enter upon the Premises as necessary therefor, and close or restrict access to
portions of the Building or other portions of the Property for any reason.
Landlord may change the name or address of the Building.

                                    2.  RENT

2.1      PAYMENT OF RENT.  On or before the first day of each calendar month
throughout the Term, Tenant must pay Landlord in advance without demand or
notice the "Monthly Rent Installment" consisting of the total of (a) the
monthly installment of Base Rent specified in the Basic Lease Information for
the applicable calendar month, (b) one-twelfth (1/12th) of the Base Rent
Adjustment as estimated by Landlord for the applicable calendar year, and (c)
any Monthly Parking Charge.  On Tenant's execution of this Lease, Tenant must
pay Landlord one (1) month's Base Rent in the amount of the monthly installment
of Base Rent in effect for the first calendar month of the Term to be applied
to the First full Monthly Rent Installment.  If the Commencement Date falls on
other than the first day of a calendar month, then on the Commencement Date
Tenant must pay Landlord a prorated portion of one (1) month's Monthly Rent
Installment based on the number of days elapsed during the Term in that month.
All sums of money payable by Tenant to Landlord





                                       3
<PAGE>   7
pursuant to this Lease constitute rent, and all such sums, together with the
Monthly Rent Installments, are referred to generically in this Lease as "Rent."
Except as expressly stated to the contrary in this Lease, all Rent is payable
to Landlord without abatement, set-off, or counterclaim at Landlord's
Notification Address (or at any other address that Landlord may designate in
writing from time to time).

2.2      BASE RENT ADJUSTMENT.  The "Base Rent Adjustment" for each calendar
year will equal the product of (a) the Net Rentable Area of the Premises, times
(b) a rate per annum per square foot of Net Rentable Area equal to the sum of
(i) the excess, if any, of the rate of Operating Costs per square foot of Net
Rentable Area in the Building for the applicable calendar year over the
Operating Costs Base Rate, (ii) the excess, if any, of the rate of Tax Costs
per square foot of Net Rentable Area in the Building for the applicable
calendar year over the Tax Costs Base Rate, and (iii) the excess, if any, of
the rate of Utilities Costs per square foot of Net Rentable Area in the
Building for the applicable calendar year over the Utilities Costs Base Rate.
Effective on any change in the Net Rentable Area of the Premises or the
Building in accordance with this Lease, the calculation of the Base Rent
Adjustment will change accordingly.  The Base Rent Adjustment will never lower
Base Rent below the amount specified in the Basic Lease Information.  Prior to
January 1 of each calendar year after the Base Year (or as soon thereafter as
reasonably practical), Landlord will provide an estimate of the Base Rent
Adjustment for the forthcoming calendar year, and the Monthly Rent Installments
due thereafter will be adjusted to reflect the Base Rent Adjustment so
estimated by Landlord.  By June 1 of each calendar year, or as soon thereafter
as reasonably practical, Landlord will furnish to Tenant a statement (the
"Annual Statement") showing in reasonable detail the calculation of the Base
Rent Adjustment for the immediately preceding calendar year and comparing the
actual Base Rent Adjustment to the estimated Base Rent Adjustment actually paid
by Tenant.  If the estimated Base Rent Adjustment paid is less than the actual
Base Rent Adjustment reflected on the Annual Statement, Tenant must pay
Landlord the amount of the deficit in a lump sum no later than thirty (30) days
after receipt of the Annual Statement.  If the estimated Base Rent Adjustment
paid is greater than the actual Base Rent Adjustment reflected on the Annual
Statement, Landlord will allow Tenant equal monthly credits against the Monthly
Rent Installments due for the remainder of the then current calendar year in an
aggregate amount equal to the surplus, or if Landlord so chooses, Landlord will
pay Tenant the amount of the surplus in a lump sum within thirty (30) days
after delivery of the Annual Statement.  In calculating any surplus or deficit
owed for any calendar year in which the Term expires, the Base Rent Adjustment
will be prorated in proportion to the number of days elapsed during the Term in
that calendar year.





                                       4
<PAGE>   8
2.3      OPERATING COSTS.  "Operating Costs" means all expenses and costs of
any kind incurred by Landlord in connection with the ownership, operation,
management, maintenance, or repair of the Property other than Tax Costs,
Utilities Costs, and Excluded Costs.  Operating Costs include, without
limitation, all of the following:

         (a)  Wages, salaries, fees, and all related expenses (including
without limitation, taxes, insurance, and benefits) of all personnel engaged in
the operation, management, maintenance, or repair of the Property.

         (b)  Costs of supplies, tools, equipment, and other materials,
including replacement parts and equipment, whether purchased, leased, used, or
consumed in the operation, maintenance, or repair of the Property.

         (c)  Costs of maintenance or service agreements for the Property,
including, without limitation, access control service, window cleaning, traffic
control, janitorial service, landscape maintenance, and elevator maintenance.

         (d)  Costs of operation, maintenance, or repair of interior and
exterior common or public areas of the Property, including, without limitation,
sidewalks, driveways, parking areas, and landscaping.

         (e)  Legal or accounting costs for the Property, including, without
limitation, a reasonable allocation of off- site costs and costs of annual
audits of Operating Costs, Tax Costs, and Utilities Costs by certified public
accountants, if performed.

         (f)  Costs of insurance carried by Landlord relating to the Property,
including, without limitation, fire and casualty insurance (with extended,
all-risk, or other coverages), rental loss or business interruption insurance,
comprehensive or commercial general liability insurance, and other commercially
reasonable insurance carried by Landlord, plus the cost of all deductible
payments made by Landlord.

         (g)  Assessments, fees, or similar charges for the Property's share of
the cost of operating and maintaining common areas and facilities of any office
or business park in which the Property is located.

         (h)  Costs of complying with Laws applicable to the operation,
management, maintenance, or repair of the Property, including, without
limitation, costs for licenses, permits, and inspection fees.

         (i)  Amortization in accordance with generally accepted accounting
principles of capital expenditures and reasonable financing charges for items
that are primarily for the purpose of





                                       5
<PAGE>   9
reducing or avoiding increases in Operating Costs in Landlord's good faith
estimate, (ii) promoting safety, or (iii) complying with Laws imposed after the
initial construction of the Building.  In addition to the foregoing, Landlord
may include in Operating Costs unamortized capital expenditures that in the
aggregate are less than two percent (2%) of the estimated amount of the total
of Operating Costs, Tax Costs, and Utilities Costs for the applicable calendar
year.

         (j)  Management fees and costs of a Property management office in the
Building or an allocation of the costs of an off-site central office maintained
for management of the Property.

2.4      TAX COSTS.  "Tax Costs" means all of the following that are not
Excluded Costs and that are imposed by Law on the Property or on Landlord in
connection with the ownership or operation of the Property:  (a) general and
special ad valorem and other taxes, assessments, and charges; (b) any future
capital levy, rent, or other tax, assessment, or charge imposed in place of or
in addition to the ad valorem and other taxes, assessments, or other
governmental charges presently in effect; and (c) consulting, accounting, legal
fees, and other costs resulting from any challenge of ad valorem or other
taxes, assessments, or other governmental charges.  If the Property is not
separately assessed, Landlord will allocate Tax Costs to the Property on a
reasonable basis.

2.5      UTILITIES COSTS.  "Utilities Costs" means all of the following that
are not Excluded Costs and that are incurred by Landlord in connection with the
ownership or operation of the Property: (a) costs and expenses for consumption
or use of public or private utility services for the Property, including,
without limitation, water, steam, sewer, waste disposal, gas,
telecommunications, and electricity; and (b) amortization in accordance with
generally accepted accounting principles of capital expenditures and reasonable
financing charges for items that are primarily for the purpose of (i) reducing
or avoiding increases in Utilities Costs in Landlord's good faith estimate, or
(ii) complying with Laws imposed after the initial construction of the
Building.

2.6      EXCLUDED COSTS.  "Excluded Costs" means all of the following:

         (a)  Except as expressly included in the definitions of Operating
Costs and Utilities Costs, capital expenditures as determined in accordance
with generally accepted accounting principles, depreciation and amortization,
and interest and other finance charges.

         (b)  Costs for the initial construction of the Property or for
improvements to leased premises.





                                       6
<PAGE>   10
         (c)  Costs for the sale or financing of the Property, including
brokerage commissions, attorneys' and accountants' fees, closing costs, title
insurance premiums, and other similar costs.

         (d)  Leasing commissions, attorneys' fees, and other expenses in
connection with negotiations for leases or disputes with particular tenants.

         (e)  Repair or replacement costs paid with proceeds of insurance or
condemnation.

         (f)  Costs for which Landlord is reimbursed by any tenant or other
party, including, without limitation, costs for furnishing any utilities or
services in addition to or in excess of those included in Building Standard
Services.

         (g)  Taxes attributable to the personal property or trade fixtures of
any tenant.

         (h)  Utilities or other costs that are payable directly to a third
party by any tenant.

         (i)  Taxes on net income, death taxes, franchise taxes, and taxes in
connection with any change of ownership of the Property.

         (j)  Penalties for late payment of taxes, utility bills, or other
amounts owed by Landlord except to the extent Landlord was in good faith
contesting payment.


2.7      ACCOUNTING PRINCIPLES. Operating Costs, Tax Costs, and Utilities Costs
will be computed on an accrual basis in accordance with generally accepted
accounting principles consistently applied.  Tax Costs will accrue in the
calendar year levied or assessed except for Tax Costs attributable to special
taxes and assessments that are payable in installments, which will accrue only
to the extent of the installment payable each calendar year.  Operating Costs,
Tax Costs, and Utilities Costs will be calculated on an annualized basis for a
full calendar year.  In calculating Operating Costs, Tax Costs, and Utilities
Costs, costs that vary with occupancy (such as janitorial service and
utilities) will be appropriately adjusted to reflect the amount that such
variable costs would have been with occupancy at the greater of ninety-five
percent (95%) of the Net Rentable Area of the Building or the actual occupancy
of the Building throughout the applicable calendar year.  All rates per square
foot of Net Rentable Area in the Building involved in determining the Base Rent
Adjustment will be calculated based on the greater of ninety-five percent (95%)
of the Net Rentable Area of the Building or the actual occupancy of the
Building throughout the applicable calendar year.





                                       7
<PAGE>   11
2.8      LATE PAYMENT OF RENT.  Past-due Rent will bear interest from the date
due until paid at the rate per annum that is the lesser of (a) five percent
(5%) in excess of the "prime rate" or "base rate" of Bank One, Texas, National
Association (or its successor) from time to time (or if such rate is
discontinued, the rate charged by that bank to its most creditworthy commercial
borrowers), or (b) the maximum interest rate allowed by Law.  Any Rent or other
sum required to be paid to Landlord on written demand will be due and payable
on Tenant's receipt of a bill, invoice, or other written demand for payment
from Landlord.  If any Monthly Rent Installment is more than five (5) days past
due, or if any other payment of Rent or any other sum is more than ten (10)
days past due, Tenant must pay Landlord on written demand a late charge that is
the greater of $250.00 or five percent (5 %) of the amount of the Monthly Rent
Installment or other Rent past due.  Late charges are intended to compensate
Landlord for additional administrative expenses associated with late payment.
Any payment of past-due Rent will be applied first to any late charges owed,
then to any interest accrued, and finally to the balance of Rent owed.

2.9      SECURITY DEPOSIT.  Tenant must pay the Security Deposit to Landlord on
Tenant's execution of this Lease.  Tenant will not receive any interest on the
Security Deposit.  Landlord may commingle the Security Deposit with other funds
of Landlord.  If a Tenant Default occurs, Landlord may (in addition to any
other remedies) apply the Security Deposit in whole or in part to pay any Rent,
damages, or other sums owed by Tenant.  On written demand by Landlord following
such application, Tenant must pay Landlord a sufficient sum to restore the
Security Deposit to the full amount specified in the Basic Lease Information.
The Security Deposit is not an advance payment of Rent or a measure of
Landlord's damages for a Tenant Default.  Upon full payment and performance of
this Lease by Tenant (including, without limitation, final payment of any
deficiency in the Base Rent Adjustment owed by Tenant as reflected in the final
Annual Statement), Landlord will refund to Tenant any balance of the Security
Deposit remaining after deducting any Rent, damages, or other sums owed by
Tenant.

                       3.  SERVICES FURNISHED BY LANDLORD


3.1      BUILDING STANDARD SERVICES.  So long as Tenant occupies the Premises
and no Tenant Default has occurred, Landlord will furnish the following
"Building Standard Services":

         (a)     Central heating, ventilating, and air conditioning ("HVAC") in
the Premises in season between the hours (the "Building Hours") of 7:00 a.m. to
7:00 p.m., Monday through Friday, and 8:00 a.m. to 4:00 p.m., Saturday,
exclusive of holidays observed by national banks in the city where the Property
is located.





                                       8
<PAGE>   12
         (b)     Electricity for routine lighting and the operation of general
office machines such as typewriters, dictating equipment, adding machines,
personal computers, copying machines, and the like that are designed to operate
at or below the rated voltage and current loads of outlets, circuits, and other
electrical equipment initially installed in the Premises as part of the Tenant
Improvements and that do not consume either singly or in the aggregate, an
amount of electrical power per square foot of Usable Area materially in excess
of the amount of electrical power per square foot of Usable Area normally
consumed in ordinary general office occupancy of the Building.

         (c)     Building standard janitorial service in the Premises Monday
through Friday, exclusive of holidays observed by national banks in the city in
which the Property is located.

         (d)     Replacement as needed of Building standard fluorescent light
bulbs in the Premises.

         (e)     Initial issuance to Tenant of two (2) keys for each corridor
door to the Premises, and if Landlord provides electronic access control to
tenants of the Building generally, initial issuance to Tenant's employees in
the Premises of access cards for use in Building standard electronic access
card readers (not to exceed one (1) access card per 333 square feet of Net
Rentable Area in the Premises).

         (f)     Initial installation in Building standard graphics of Tenant's
name and suite number on the main exterior door of the Premises, and if
Landlord provides a tenant directory in the main Building lobby, one (1)
initial listing of Tenant's name on the tenant directory.

         (g)     Nonexclusive use of rest rooms with hot and cold water at
locations provided for the use of the Building's tenants generally.

         (h)     Nonexclusive use of passenger elevator service to the floor of
the Premises, with at least one (1) cab in service twenty-four (24) hours per
day.

         (i)     Routine maintenance, replacement, and repair of the structural
components of the Building, of the mechanical, electrical, and plumbing systems
and equipment serving the Building generally, and of the interior and exterior
common areas of the Building, including the Building's ground floor lobby,
exterior lighting, landscaping, and irrigation on the Property, and parking,
driveway, and walkway areas on the Property.

         (j)     Operation of equipment and/or employment of personnel for the
purpose of attempting to control access to the ground floor lobby of the
Building during other than Building Hours.





                                       9
<PAGE>   13
3.2      ADDITIONAL SERVICES. If Landlord chooses to do so, Landlord may make
additional services available to tenants of the Building.  Unless the
additional services are furnished to office tenants of the Building generally,
Landlord will establish a Building standard charge to be billed to the
particular tenants that request or utilize the additional services.  The
following additional services will be available for a Building standard charge
if requested by Tenant:

         (a)     If requested far enough in advance in accordance with standard
procedures established for the Building, HVAC service during other than
Building Hours.  The Building standard charge may include a minimum area and a
minimum number of hours of HVAC operation.

         (b)     Replacement of electronic access cards.

         (c)     If Landlord provides a tenant directory in the main Building
lobby, and to the extent space is available, additional or changed listings on
the tenant directory.

3.3      EXCESS OR SPECIAL SERVICE REQUIREMENTS.  Landlord and Tenant agree
that:

         (a)     If any equipment in the Premises generates excessive heat or
requires a range of ambient temperature and humidity outside of that afforded
by the operation of the Building's standard HVAC equipment at thermostat
settings that Landlord considers standard for,the Building, Landlord may
require Tenant to cease using such equipment within ten (10) days after written
notice from Landlord.  If Tenant fails to do so, Landlord may elect to install
supplemental HVAC and metering equipment, in which case Tenant must pay the
following costs to Landlord from time to time on written demand: (i) the cost
of the supplemental equipment and its design and installation plus a Building
standard charge to compensate Landlord for the additional administrative
burden; (ii) the cost of maintenance, replacement, and repair of the
supplemental equipment plus a Building standard charge to compensate Landlord
for the additional administrative burden; and (iii) costs of electrical power
consumed and chilled water as metered or otherwise reasonably determined by
Landlord, plus actual costs of accounting and billing therefor.  This paragraph
will apply to the supplemental HVAC unit installed above the ceiling in the
Leased Premises.

         (b)     No equipment may be used that requires or uses electricity in
excess of the rated voltage and current loads of the outlets, circuits,and
other electrical equipment initially installed in the Premises as part of the
Tenant Improvements, and Landlord may enter the Premises and disconnect such
equipment immediately without prior notice to Tenant.  If any type or quantity
of equipment in the Premises consumes electrical power in an amount per square
foot of Usable Area that is materially in





                                       10
<PAGE>   14
excess of the amount of electrical power per square foot of Usable Area
normally consumed in ordinary general office occupancy of the Building,
Landlord may require Tenant to cease using such equipment within ten (10) days
after written notice from Landlord.  If Tenant fails to do so, Landlord may
elect to install supplemental metering equipment, in which case Tenant must pay
the following costs to Landlord from time to time on written demand: (i) the
cost of the supplemental equipment and its design and installation plus a
Building standard charge to compensate Landlord for the additional
administrative burden; (ii) the cost of maintenance, replacement, and repair of
the supplemental equipment plus a Building standard charge to compensate
Landlord for the additional administrative burden; and (iii) metered costs of
electrical power consumed in excess of that included in Utilities Costs, plus
actual costs of accounting and billing therefor.

         (c)     If improvements in the Premises or any of the fixtures,
furnishings, equipment, or other personal property in the Premises requires
janitorial services in excess of that reasonably considered standard for the
Building by Landlord, if additional janitorial service is required to clean and
store cooking, eating, and drinking utensils and equipment in the Premises, or
if additional janitorial service is required to properly dispose of food,
drink, or other wastes and debris in the Premises, Landlord may refuse to
provide such services (in which case Tenant must provide such services at its
cost in a manner reasonably satisfactory to Landlord), or Landlord may elect to
provide such services (in which case Tenant must pay Landlord from time to time
on written demand the additional cost of such services plus a Building standard
charge to compensate Landlord for the additional administrative burden).

         (d)     If the Premises or any other part of the Property is damaged
by any act or omission of Tenant or its employees, agents, or contractors,
Landlord will make needed repairs or replacements, but Tenant must pay Landlord
on written demand the cost of the repairs and replacements in excess of
insurance proceeds actually received by Landlord, if any, plus a Building
standard charge to compensate Landlord for the additional administrative
burden.  Landlord will have no obligation to begin such repair or replacement
work until Landlord receives all insurance proceeds and any funds due from
Tenant.

         (e)     All sums payable by Tenant pursuant to this Section are in
addition to the Base Rent Adjustment, which will be payable without reduction
in accordance with other applicable provisions of this Lease.

                        4.  USE AND OCCUPANCY BY TENANT

4.1      USE.    The Premises may be used and occupied only for general office
purposes and for no other purpose whatsoever.  Landlord





                                       11
<PAGE>   15
expressly prohibits the Tenant from using the Leased Premises for any deposit
taking operation.  Tenant may not engage in or cause, must ensure that none of
its employees, agents, or contractors engages in or causes, and must use good
faith, reasonable efforts to ensure that none of its customers or other
visitors engages in or causes any of the following in the Premises or elsewhere
on the Property: (a) any action or the placement of any object that is visible
from the exterior of the Building or from lobby or other common areas of the
Property and that adversely affects the appearance of the Property; (b) any
emission of harmful or offensive odors or fumes or any loud or disturbing
noises; (c) any excessive load on floors or other structural elements of the
Building or on the mechanical, electrical, and plumbing systems of the
Building; (d) any fire or other hazard that might adversely affect the
availability or cost of insurance carried by Landlord or other tenants; (e) any
use, generation, storage, treatment, transportation, or disposal of any
Hazardous Material (except for generally available office equipment and
supplies that contain small quantities or low concentrations of Hazardous
Material so long as they are properly used and stored within the Premises,
properly disposed of by Tenant at a location other than the Property, and do
not by Law require any license or permit); (f) any waste, nuisance, or other
unreasonable interference with or disturbance of Landlord's business or the
occupancy of any other tenant of the Property; (g) any criminal or other
disreputable conduct that might adversely affect the reputation of Landlord or
the Property; (h) any noncompliance with rules, procedures, or instructions of
Landlord or its employees, agents, or contractors relating to protection of
life or personal safety or to security or access control; or (i) any
noncompliance with the Building Rules attached as Exhibit D (or amendments or
additions to such rules hereafter promulgated by Landlord).  "Hazardous
Material" means any toxic or hazardous waste, material, or substance or any
other substance that is prohibited, limited, or regulated as a health or
environmental hazard or pollutant under any Law, or that even if not so
regulated, could or does pose a hazard to the environment or to the health and
safety of the occupants of the Building or others.

4.2      COMPLIANCE WITH LAWS.  Tenant at its cost must comply with, must cause
its employees, agents, and contractors to comply with, and must use good faith,
reasonable efforts to cause its customers and other visitors to comply with all
applicable codes, statutes, ordinances, regulations, and other legal
requirements of any government or governmental agency (collectively, "Laws")
relating to the use, condition, or occupancy of the Premises  (including,
without limitation, all Laws applicable to Tenant's business and operations in
the Premises).  Without limiting the foregoing, Tenant at its cost must comply
with all requirements of the Americans With Disabilities Act and implementing
regulations applicable to the use, condition, or occupancy of the Premises
other than requirements relating solely to the physical structure





                                       12
<PAGE>   16
of (a) the Work Letter Improvements, if any, as initially installed in the
Premises by Landlord, (b) the roof, foundation, and exterior walls of the
Building, and (c) the common areas of the Property.

4.3      MAINTENANCE OF THE PREMISES.  Tenant must promptly report to Landlord
any damage to the Premises.  Except to the extent included in Building Standard
Services, maintenance, replacement, and repair of all improvements and other
components of the Premises must be carried out by Tenant at its cost in a good
and workmanlike manner, using contractors approved by Landlord in writing, and
in a manner sufficient to keep the Premises and the improvements therein in as
good a condition as on the Commencement Date, reasonable wear and tear
excepted.

4.4      SIGNS AND ADVERTISING.  Except for the entry letters and numerals
initially installed by Landlord as part of the Building Standard Services or as
specifically provided to the contrary in a Rider to this Lease (if any), no
signs or other graphics relating to Tenant or its business that are visible
from the exterior of the Building or from lobby or other common areas of the
Property may be installed anywhere on the Property.  If Landlord elects to
permit any such signs or graphics, the size, location, and appearance thereof
must be satisfactory to Landlord in its discretion.  Tenant may not use the
name of Landlord or of the Building or Property for any purpose other than to
identify the location of the Premises in Tenant's address.

4.5      ALTERATIONS, ADDITIONS, AND IMPROVEMENTS.  Tenant may make no
alterations, additions, or improvements to the Premises or the Property without
the prior written consent of Landlord (which may be withheld in Landlord's
discretion).  If Landlord consents, all alterations, additions, or improvements
must be completed without cost to Landlord, and Tenant must pay Landlord on
written demand the amount of all costs incurred by Landlord for architects and
engineers, permits, or other purposes related to the alterations, additions, or
improvements, plus a Building standard charge to compensate Landlord for the
additional administrative burden.  Tenant must comply with all reasonable
requirements of Landlord relating to plans and specifications, compliance with
building codes and other Laws, employment and bonding of contractors,
insurance, compatibility with the Building's mechanical, electrical, and
plumbing systems, aesthetic considerations, and other matters as determined by
Landlord.  All alterations, additions, or improvements, including, without
limitation, all partitions, walls, railings, carpeting, floor and wall
coverings, and other fixtures (excluding Tenant's trade fixtures) will become
the property of Landlord when made, and will remain upon the Premises,
provided, however, the foregoing will not apply to the supplemental HVAC unit
installed above the ceiling in the Leased Premises, which may be removed by
Tenant at Tenant's sole cost using a contractor approved by Landlord at
Landlord's sole discretion, at the expiration of the Term or earlier
termination of





                                       13
<PAGE>   17
this Lease.  Without limiting the foregoing, each of the following requires
Landlord's prior written consent: (a) installation of food, soft drink or other
vending machines; (b) removal or replacement of window coverings on exterior
windows initially installed in the Premises as part of the Tenant Improvements,
or the installation of additional window coverings, drapes, or other window
treatments; and (c) rekeying or other changes in the locks or other access
control devices on the exterior or interior doors of the Premises, or
duplication of any keys or electronic access cards furnished by Landlord.

4.6      PERSONAL PROPERTY AND TRADE FIXTURES.  Tenant may not remove any of
the following from the Premises:  (a) HVAC systems, fixtures, or equipment,
other than the supplemental HVAC unit; (b) lighting fixtures or equipment; (c)
carpeting and other attached floor coverings, or raised flooring; (d) plumbing
fixtures and equipment; (e) paneling or millwork; (f) built-in shelving or
cabinets; (g) drapes, blinds, or other window treatments; and (h) equipment or
appliances purchased or installed by Landlord as part of the Work Letter
Improvements.  Except as provided in the preceding sentence, any personal
property or trade fixtures installed in the Premises at Tenant's expense will
remain Tenant's personal property, and must be removed from the Property by
Tenant on the expiration of the Term or earlier termination of this Lease
without damage to the Premises or other parts of the Property.  On the
expiration of the Term or earlier termination of this Lease, Tenant must also
deliver to Landlord all keys, electronic access cards, and safe or vault
combinations with respect to the Premises, and leave the Premises in a clean
condition free of waste, refuse, or debris.  If Tenant fails to do so, Landlord
may retain, store, or dispose of any trade fixtures or other personal property
left in the Premises however Landlord chooses without liability of any kind to
Tenant, repair any damage to the Premises or other parts of the Property caused
by the removal thereof, change or rekey locks and other access control devices
as necessary throughout the Building to maintain security, and clean the
Premises and properly dispose of all such waste, refuse, or debris; and Tenant
must pay to Landlord on written demand all costs and expenses incurred by
Landlord in connection with the foregoing, plus a Building standard charge to
compensate Landlord for the additional administrative burden.

4.7      TAXES PAYABLE BY TENANT.  Tenant must pay any documentary stamp tax,
transfer tax, sales or use tax, excise tax, or any other tax, assessment, or
charge (other than any income, franchise, or similar tax imposed directly on
Landlord or Landlord's net income from the Property) required to be paid on
account of (a) the execution of this Lease, (b) the use or occupancy of the
Premises by Tenant, (c) the sale or use of goods or services furnished by
Landlord directly to Tenant or at Tenant's request, (d) the Rent or other
payments due hereunder, or (e) the value of trade fixtures, furnishings,
equipment, or other personal property located on the





                                       14
<PAGE>   18
Premises and owned by or in the custody of Tenant.  All such taxes,
assessments, and charges must be paid promptly as they become due prior to
delinquency.  Tenant will provide Landlord with copies of paid receipts for
such taxes, assessments, or charges promptly after payment.  Tenant must also
pay on written demand from Landlord any increase in ad valorem taxes or
assessments on the Property as a result of alterations, additions, or
improvements made after the Commencement Date (as separately assessed or as
reasonably valued and allocated by Landlord).

4.8      PROTECTION AGAINST LIENS.  No mechanics', materialmen's, or other type
of lien or claim may be filed against Landlord or the Property by, against,
through, or under Tenant or its contractors.  If any such lien or claim is
filed, Tenant must either cause the lien or claim to be discharged within ten
(10) days after filing, or if all required approvals from the holders of
Mortgages on the Property are obtained and Tenant furnishes adequate security
to prevent any foreclosure proceedings against the Property, Tenant may in good
faith contest such lien or claim; otherwise, Landlord may, in addition to any
other right or remedy available to it, elect to discharge the lien or claim by
paying the amount alleged to be due or by giving appropriate security.  If
Landlord discharges or secures the lien or claim, then Tenant must reimburse
Landlord on written demand for all sums paid and all costs (including
reasonable attorneys' fees and costs of litigation) incurred by Landlord plus a
Building standard charge to compensate Landlord for the additional
administrative burden.  All of Tenant's contracts, purchase orders, or similar
documents relating to any labor or materials to be furnished for the Premises
must state that Tenant is solely responsible for payment and that no lien may
attach to the Property to secure any payment due.

4.9      ACCESS BY LANDLORD. Landlord and its agents and representatives may
enter the Premises without notice in an emergency.  At reasonable hours and
after reasonable notice and accompanied by an employee, agent or representative
of the Tenant, Landlord and its agents and representatives may enter the
Premises to conduct inspections, make repairs, alterations or additions, and to
show the Premises to prospective tenants, subtenants, mortgagees, and
purchasers.


                                 5.  TRANSFERS

5.1      TRANSFERS BY TENANT.  Landlord and Tenant agree that:

         (a)     Without the prior written consent of Landlord in each instance
(which may be withheld in Landlord's discretion), Tenant may not do any of the
following (a "Tenant Transfer"): (i) assign this Lease or any estate or
interest therein, whether absolutely or collaterally as security for any
obligation; (ii) sublease any part of the Premises; (iii) permit any assignment
of this Lease or any





                                       15
<PAGE>   19
estate or interest therein by operation of Law, whether absolutely or
collaterally as security for any obligation; (iv) grant any license,
concession, or other right of occupancy for any part of the Premises; (v)
permit the use of any part of the Premises by any person other than Tenant and
its agents and employees; (vi) assign or otherwise transfer ownership of a
majority of the assets of Tenant; or (vii) merge or be consolidated into any
other entity.  In soliciting any Tenant Transfer, Tenant must endeavor to
obtain fair market value consideration.  No Tenant Transfer to any then current
tenant or occupant of the Building will ever be permitted.  Any attempted
Tenant Transfer without Landlord's prior written consent will be void.

         (b)     If Tenant requests Landlord's consent to a Tenant Transfer,
Landlord may either (i) approve or disapprove the Tenant Transfer, or (ii)
terminate this Lease with respect to the part of the Premises affected by the
proposed Tenant Transfer.  In connection with each Tenant Transfer request by
Tenant, Tenant must obtain and furnish to Landlord all documents, financial
reports, and other information Landlord reasonably requires in order to
evaluate the proposed transferee.  Landlord will advise Tenant of Landlord's
decision about the requested Tenant Transfer within thirty (30) days after
receipt of Tenant's written Tenant Transfer request and all requested
supporting materials.  As a condition to giving its consent to a Tenant
Transfer, Landlord may require that any instrument to effectuate the Tenant
Transfer be in a form satisfactory to Landlord, that the transferee assume the
Lease, and that alterations to the Premises needed to comply with Law be
carried out without cost to Landlord in accordance with the provisions of this
Lease relating to alterations of the Premises.  If Landlord refuses to consent
to a requested Tenant Transfer, this Lease and the obligations and liabilities
of Tenant under this Lease will nonetheless remain in full force and effect.
The consent of Landlord to one Tenant Transfer is never to be construed as
waiving the requirement for Landlord's consent to other Tenant Transfers, nor
will any consent by Landlord or any Tenant Transfer discharge or release Tenant
from any obligations or liabilities to Landlord under this Lease.

         (c)     Tenant must pay Landlord all cash or other proceeds of any
Tenant Transfer in excess of the Rent payable under this Lease, and Tenant
hereby assigns to Landlord all rights it may have or ever acquire to the excess
proceeds, which will be due and payable to Landlord on receipt by Tenant and
will be accompanied by an accounting of the sums owed, certified by Tenant.  No
transferee of less than the entire Premises for the full Term as the result of
a Tenant Transfer will ever be entitled to exercise any renewal, extension,
expansion, termination, or other option provided in this Lease (or in any
Rider) or to the return of the Security Deposit.  If a Tenant Default occurs
after any Tenant Transfer, Landlord may, at its option, collect Rent directly
from the transferee, and Tenant hereby authorizes any such transferee to pay
Rent directly





                                       16
<PAGE>   20
to Landlord at all times after receipt of written notice from Landlord.  No
direct collection of Rent by Landlord from any transferee following a Tenant
Transfer will constitute a novation or otherwise release Tenant from its
obligations and liabilities under this Lease.

5.2      TRANSFERS BY LANDLORD.  Landlord has the unrestricted right to sell,
assign, mortgage, encumber, or otherwise dispose of all or any part of the
Property or any interest therein.  Upon sale or other disposition of the
Property, Landlord will be released from obligations and liabilities thereafter
accruing under this Lease, and Tenant will attorn to Landlord's successor and
look solely to such successor for performance of the Lease thereafter.

5.3      SUBORDINATION.  This Lease is automatically subordinate to all 
present and future mortgages, deeds of trust, deeds to secure debt, other
security instruments, or ground or land leases encumbering all or any part of
the Property ("Mortgages") and to all renewals, modifications, consolidations,
replacements, and extensions of any Mortgage.  No other document is necessary to
subordinate this Lease to any Mortgage, but if Landlord so requests, Tenant will
promptly execute an appropriate document to confirm such subordination. Upon
request of any party succeeding to the interest of Landlord as a result of
enforcement of any Mortgage, Tenant will automatically become the tenant of such
successor in interest without change in the terms of this Lease except that such
successor in interest will not be (a) subject to any credits, offsets, defenses,
or claims which Tenant may have against any prior landlord, (b) bound by any
payment of Rent for more than one (1) month in advance (except prepayments in
the nature of security for the performance by Tenant of its obligations under
this Lease that are actually received by such successor in interest), (c) bound
by any amendment or modification of this Lease made without the written consent
of the holder of the Mortgage (if such consent is required by the Mortgage), (d)
liable for any act, omission, or default of any prior landlord, or (e) required
to make any capital improvements to the Property or the Premises that Landlord
may have failed to complete. Notwithstanding the foregoing, the holder of any
Mortgage may elect at any time to subordinate its Mortgage to this Lease by
filing a document to such effect in the appropriate public real property records
and giving Tenant notice of such election.

5.4      ESTOPPEL CERTIFICATE.  Within ten (10) days after written request from
Landlord, Tenant must (a) execute an estoppel certificate on a form provided by
Landlord certifying the status of such matters with respect to the Lease as
Landlord may request, and (b) furnish Landlord the most recent available
audited financial statement (or if Tenant does not normally have audited
Financial statements prepared, the most recent unaudited financial statement)
of Tenant and of any guarantor of this Lease.  If Tenant fails to deliver a
requested estoppel certificate within the required 10-day





                                       17
<PAGE>   21
period, Tenant will be deemed to have agreed to the statements contained in the
form provided by Landlord.


                              6.  RISK MANAGEMENT

6.1      CASUALTY INSURANCE.  Landlord must maintain fire and casualty
insurance with at least extended coverage on the Building and other
improvements included in the Property (excluding trade fixtures and personal
property owned by Tenant or in Tenant's custody or control) in amounts desired
by Landlord issued by an insurance company authorized to insure properties in
the state where the Property is located.  Tenant will have no interest in the
proceeds of Landlord's insurance.  If any improvements in the Premises have a
value substantially disproportionate to those found generally in the Building,
or if Tenant's use or occupancy poses any increased risk of loss (without
implying any consent to such use or occupancy), any resulting increase in
Landlord's premiums for such insurance must be paid by Tenant to Landlord on
written demand.  Tenant at its own cost must maintain fire and casualty
insurance with at least extended coverage for the replacement cost of all trade
fixtures and personal property located on the Property and owned by Tenant or
in Tenant's custody or control, with business interruption coverage for a
period of at least six (6) months, issued by an insurance company authorized to
insure properties in the state where the Property is located.  Tenant must
furnish Landlord certificates of insurance evidencing the required fire and
casualty insurance coverage prior to the Commencement Date and thereafter prior
to each policy renewal date.

6.2      WAIVER OF SUBROGATION AND CLAIMS. Landlord waives all claims, causes
of action, or other rights of recovery against Tenant and its employees,
agents, and contractors for any loss or damage to the Building and other
improvements included in the Property by reason of fire or other insurable risk
or loss (whether or not actually insured), regardless of cause or origin
(including negligence), and agrees that no insurer will have any right of
subrogation to Landlord.  Tenant waives all claims, causes of action, or other
rights of recovery against Landlord and its employees, agents, and contractors
for any loss or damage to any trade fixtures and personal property located on
the Property and owned by Tenant or in Tenant's custody or control by reason of
fire or other insurable risk of loss (whether or not actually insured),
regardless of cause or origin (including negligence), and agrees that no
insurer will have any right of subrogation to Tenant.  Each of Tenant and
Landlord will advise its fire and casualty insurers of the foregoing waiver and
ensure that such waiver is a part of each policy of fire and casualty insurance
that it carries.

6.3      CASUALTY DAMAGE.  If any part of the Premises is damaged by fire or
other casualty, Tenant will give prompt notice to Landlord.  Landlord may, at
its option, terminate this Lease by so notifying





                                       18
<PAGE>   22
Tenant in writing within sixty (60) days after the date of a fire or other
casualty if (a) the casualty renders any substantial part of the Premises
untenantable and the repair time to restore the Premises to a tenantable
condition (as reasonably estimated by Landlord) will extend beyond the date
that is one hundred eighty (180) days after the date of the casualty, (b) the
casualty renders any substantial part of the Premises untenantable and at the
time, less than two (2) years remain until the expiration of the Term, (c) any
part of the Property is damaged to the extent that in Landlord's judgment,
restoration is not practical (whether or not the Premises have been damaged by
the casualty), or (d) the holder of any Mortgage requires application of any
insurance proceeds to reduce the Mortgage debt.  If the damage by fire or other
casualty renders any substantial part of the Premises untenantable and if the
repair time to restore the Premises to a tenantable condition (as reasonably
estimated by Landlord) will extend beyond the date that is one hundred eighty
(180) days after the date of the casualty, Tenant may elect to terminate this
Lease by so notifying Landlord in writing within thirty (30) days after Tenant
receives Landlord's written estimate of the time required for restoration.  If
the Lease is not so terminated by Landlord or Tenant, Landlord will promptly
begin and diligently pursue the work of restoring the Premises (including the
Tenant Improvements initially installed in the Premises) to substantially their
former condition as soon as reasonably possible.  Landlord will not, however,
be required to restore any alterations, additions, or improvements other than
the initial Tenant Improvements or to spend any amount in excess of the
insurance proceeds actually received by Landlord as a result of the casualty.
Landlord will allow Tenant all equitable abatement of Rent during the time and
to the extent the Premises are untenantable as the result of fire or other
casualty, but such abatement will not extend the Term.

6.4      CONDEMNATION.  If all or substantially all of the Property is
condemned or is sold in lieu of condemnation, then this Lease will terminate on
the date the condemning authority takes possession of the Property.  If less
than all of the Property is so condemned or sold (whether or not the Premises
are affected) and in Landlord's judgment, the Property cannot be restored to an
economically viable condition, or if the holder of any Mortgage requires
application of condemnation proceeds to the reduction of the Mortgage debt,
Landlord may terminate this Lease by written notice to Tenant effective on the
date the condemning authority takes possession of the affected part of the
Property.  If the condemnation or sale in lieu thereof will render any
substantial part of the Premises untenantable, Tenant may terminate this Lease
by written notice to Landlord effective on the date the condemning authority
takes possession of the affected part of the Premises.  If this Lease is not so
terminated by Landlord or Tenant, Landlord will, to the extent feasible,
restore the Premises (including the Tenant Improvements initially installed in
the Premises) to substantially their former condition.  Landlord will not,
however, be required to





                                       19
<PAGE>   23
restore any alterations, additions or improvements other than the initial
Tenant Improvements or to spend any amount in excess of the condemnation
proceeds actually received by Landlord.  Landlord will allow Tenant an
equitable abatement of Rent during the time and to the extent the Premises are
untenantable as the result of any condemnation or sale in lieu thereof, but
such abatement will not extend the Term.  All condemnation awards and proceeds
belong exclusively to Landlord, and Tenant will not be entitled to, and
expressly waives and assigns to Landlord, all claims for any compensation for
condemnation; provided, however, if Tenant is permitted by applicable law to
maintain a separate action that will not reduce condemnation awards or proceeds
to Landlord, Tenant amy pursue such separate action, but only for loss of
business, moving expenses, and Tenant's trade fixtures.

6.5     LIABILITY INSURANCE.  Each of Landlord and Tenant must maintain separate
policies of commercial general liability insurance issued by an insurance
company authorized to transact business in the state where Property is located.
The combined single limit of liability insurance coverage must be at least
$2,000,000, or such greater amount as Landlord may reasonably require from time
to time (so long as Landlord maintains at least the same limit of coverage).
Coverage in excess of $1,000,000 may be provided through a policy of umbrella
liability insurance.  Tenant's liability insurance policy must name Landlord as
an additional insured and contain an undertaking by the insurer not to cancel
or change coverage materially without first giving thirty (30) days' written
notice to Landlord.  Tenant must furnish Landlord certificates of insurance
evidencing the required commercial general liability insurance coverage prior
to the Commencement Date and thereafter prior to each policy renewal date.

6.6     INDEMNIFICATION.  Landlord and Tenant agree that:

        (a)     Tenant will indemnify, defend, and hold Landlord and its
officers, employees, agents, directors, shareholders, and partners harmless
against any loss, liability, damage, fine or other governmental penalty, cost,
or expense (including reasonable attorneys' fees and costs of litigation), or
any claim therefor, resulting from: (i) noncompliance with or violation of any
Law applicable to Tenant or its use and occupancy of the Premises; (ii) the
use, generation, storage, treatment, or transportation, or the disposal or
other release into the environment, of any Hazardous Material by Tenant or its
employees, agents, or contractors or as a result of Tenant's use and occupancy
of the Premises; (iii) injury to persons or loss or damage to property to the
extent caused by any negligent or wrongful act or omission of Tenant or its
employees, agents, and contractors, but only to the extent the loss or damage
would not be covered by property and casualty insurance of the type and amount
required to be carried by Landlord pursuant to this Lease (whether or not
actually so carried).





                                       20
<PAGE>   24
         (b)     Landlord will indemnify, defend, and hold Tenant and its
officers, employees, agents, directors, shareholders, and partners harmless
against any loss, liability, damage, fine or other governmental penalty, cost,
or expense (including reasonable attorneys' fees and costs of litigation), or
any claim therefor, resulting from: (i) Landlord's noncompliance with or
violation of any Law applicable to Landlord, but only to the extent such
noncompliance or violation is not based on the use or occupancy of the Premises
by Tenant or on any other act or omission of Tenant or its employees, agents,
or contractors; (ii) the use, generation, storage, treatment, or
transportation, or the disposal or other release into the environment, of any
Hazardous Material by Landlord or its employees, agents, or contractors; (iii)
injury to persons or loss or damage to property to the extent caused by any
negligent or wrongful act or omission of Landlord or its employees, agents, and
contractors, but only to the extent the loss or damage would not be covered by
property and casualty insurance of the type and amount required to be carried
by Tenant pursuant to this Lease (whether or not actually so carried).

6.7      LIMITATIONS ON LIABILITY.  Notwithstanding anything to the contrary in
this Lease, Landlord and Tenant agree that:

         (a)     None of the following will constitute a breach of the covenant
of quiet enjoyment, an actual or constructive eviction of Tenant, or a Landlord
Default: (i) the unavailability, curtailment, interruption, fluctuation,
inadequacy, or other defect in any of the services furnished or to be furnished
by Landlord pursuant to Article III of this Lease as a result of any failure or
malfunction of, or damage to any lines, equipment, or other facilities on the
Property or elsewhere, any act or omission of any utility company, the
requirements of any Law, the unavailability of materials or supplies, or any
other circumstance outside of Landlord's reasonable control so long as Landlord
in good faith attempts to remedy such circumstances as quickly as reasonably
possible; (ii) any design or other defect in the physical structure of the
Building, in the mechanical, electrical, and plumbing systems of the Property,
or in the Tenant Improvements or any other improvements on the Property so long
as Landlord in good faith attempts to remedy the defect as quickly as
reasonably possible; or (iii) any repairs, replacements, maintenance,
alterations, additions, or improvements to any part of the Property so long as
such activities are conducted without unreasonable interference with Tenant's
use of the Premises.

         (b)     Landlord will not be liable (whether in the event of a
Landlord Default or in any other circumstance whatsoever), and Tenant hereby
waives and releases all claims, causes of action, or other rights of recovery
it may ever have against Landlord for: (i) any negligent or other acts or
omissions by other tenants or occupants of the Property or their employees,
agents, contractors, customers, or visitors; (ii) loss or damage to property or
personal





                                       21
<PAGE>   25
injury or death resulting from any negligent or other act or omission of
Landlord or its employees, agents, or contractors relating to the security of
the Property; (iii) any loss of business or profits of Tenant or other
consequential damages; or (iv) exemplary, punitive, or other special damages of
any kind.

         (c)     None of Landlord's officers, employees, agents, directors,
shareholders, or partners will ever have any liability to Tenant under or in
connection with this Lease, and Tenant hereby waives and releases all claims,
causes of action, or other rights of recovery it may ever have against such
parties under or in connection with this Lease.

         (d)     Tenant agrees to look solely to Landlord's interest in the
Property for the recovery of any damages or other sums of money that Landlord
may ever owe Tenant under or in connection with this Lease, and Landlord will
never be personally liable for payment of any such  damages or other sums of
money, or any judgment therefor.

6.8      ALLOCATION OF RISKS.  TENANT ACKNOWLEDGES THAT IT HAS BEEN ADVISED TO
HAVE THE PROVISIONS OF THIS LEASE REVIEWED BY AN ATTORNEY OF ITS OWN CHOOSING
AND THAT IT HAS DONE SO OR KNOWINGLY ELECTED NOT TO DO SO.  EACH OF THE
WAIVERS, RELEASES, AND OTHER LIMITATIONS ON LIABILITY OR CLAIMS PROVIDED IN
THIS ARTICLE OR ELSEWHERE IN THIS LEASE (INCLUDING, WITHOUT LIMITATION,
LIABILITY OR CLAIMS BASED ON NEGLIGENCE OR OTHER FAULT) HAS BEEN KNOWINGLY AND
INTENTIONALLY MADE AND AGREED TO BY TENANT.  THIS SECTION IS INTENDED TO
SATISFY ANY REQUIREMENT OF LAW THAT A WAIVER, RELEASE, OR OTHER LIMITATION OF
CLAIMS OR LIABILITY BASED ON NEGLIGENCE OR OTHER FAULT BE CONSPICUOUSLY
DISCLOSED.

                            7.  DEFAULT AND REMEDIES

7.1      TENANT DEFAULT.  The occurrence of any of the following will be a 
"Tenant Default":

         (a)     Tenant fails to pay Monthly Rent Installment within five (5)
days after the date payment is due, or Tenant fails to pay any other Rent or
other sum owing from Tenant to landlord under this Lease within ten (10) days
after the date of Tenant's receipt of a bill, invoice, or other written demand
for payment.

         (b)     Tenant fails to perform or comply with any provision of this
Lease not requiring the payment of Rent or other sums of money, and such
failure continues for more than fifteen (15) days after written notice from
Landlord of such failure; provided, however, if any such failure by Tenant
cannot be corrected within such 15-day period solely as a result of
nonfinancial circumstances outside of Tenant's control, and if Tenant has
commenced substantial corrective actions within such 15-day period and is
diligently pursuing such corrective actions, such 15-day period will be
extended for such additional time as is reasonably





                                       22
<PAGE>   26
necessary to allow completion of actions to correct Tenant's failure.

         (c)     Tenant fails to take occupance of the Premises within fifteen
(15) days after the Commencement Date, or tenant thereafter ceases to do
business in or abandons any substantial part of the Premises, whether or note
Rent continues to be paid.

         (d)     If Tenant or any guarantor of this Lease is other than a
natural person, the corporate, partnership, or other entity constituting Tenant
or such guarantor is dissolved, liquidated, or otherwise ceases to exist in
good standing under applicable Law.

         (e)     Tenant's leasehold estate is taken on execution or other
process of Law in any action against Tenant.

         (f)     Tenant or any guarantor of this Lease files a petition under
any chapter of the United States Bankruptcy Code, as amended, or under any
similar Law of any state, or a petition is filed against Tenant or any such
guarantor under the United States Bankruptcy Code, as amended, or under any
similar Law of any state and is not dismissed with prejudice within twenty (20)
days of filing, or a receiver or trustee is appointed for Tenant's leasehold
estate or for any substantial part of the assets of Tenant or any such
guarantor and such appointment is not dismissed with prejudice within sixty
(60) days, or Tenant or any such guarantor makes a general assignment for the
benefit of creditors.

         (g)     Any guarantor of this Lease fails or refuses to perform or
comply with such guarantor's guaranty of this Lease.

7.2      LANDLORD'S REMEDIES.  If a Tenant Default has occurred, Landlord may 
(in addition to any other rights or remedies available by Law) then or at any 
time thereafter to do any one or more of the following at Landlord's option:

         (a)     Landlord, with or without terminating this Lease, may take any
reasonable action to remedy any failure of Tenant to comply with or perform
this Lease, and may enter the Premises as necessary to do so.  Tenant must
reimburse Landlord on written demand for all costs so incurred plus a Building
standard charge to compensate Landlord for the additional administrative
burden.

         (b)     Landlord may terminate this Lease by express written notice of
termination to Tenant, enter and repossess the Premises by forcible entry or
detainer suit or as otherwise permitted by Law without additional demand or
notice of any kind to Tenant, and remove all persons or property therefrom
using such lawful force as may be necessary (and Tenant hereby waives any claim
for loss or damage by reason of such reentry, repossession, or removal), in
which case Landlord will be entitled to recover from Tenant (i) the cost of
repossessing the Premises (including without limitation,





                                       23
<PAGE>   27
reasonable attorneys' fees and costs of litigation), (ii) the anticipated cost
of any repairs, alterations, additions, and improvements to the Premises,
leasing inducements, and brokerage commissions for reletting the Premises, (ii)
all unpaid Rent owed at the time of termination, (iv) the present value of the
balance of the Rent for the remainder of the Term less the present fair market
rental value of the Premises for the same period (taking into account all
relevant factors, including market rent concessions and the time necessary to
relet the Premises and using a discount rate per annum equal to the interest
rate on U.S. Treasury obligations with a maturity comparable to the length of
the remainder of the Term), and (v) interest and any other sum of money or
damages owing by Tenant to Landlord.  On termination of this Lease, Landlord
may elect to evict all subtenants and others in possession, or on attornment of
any subtenant to Landlord, to recognize such sublease as a direct lease between
the subtenant and Landlord.

         (c)     Landlord may terminate Tenant's right of possession (but not
this Lease), enter and repossess the Premises by forcible entry or detainer
suit or as otherwise permitted by Law without demand or notice of any kind to
Tenant and without terminating this Lease, and remove all persons or property
therefrom using such lawful force as may be necessary (and Tenant hereby waives
any claim for loss or damage by reason of such reentry, repossession, or
removal), in which case Landlord may (but will not be obligated to) relet the
Premises for the account of Tenant for such rent and upon such terms as are
satisfactory to Landlord, and without preference to any other space in the
Building.  The rent actually received from such reletting of the Premises, if
any, will be applied to (i) the cost of repossessing the Premises (including
without limitation, reasonable attorneys' fees and costs of litigation), (ii)
the cost of any repairs, alterations, additions, and improvements to the
Premises, leasing inducements, and brokerage commissions paid by Landlord for
reletting the Premises (which Landlord is hereby authorized to make), (iii)
accrued unpaid Rent, and (iv) interest and any other sum of money or damages
owing by Tenant to Landlord.  If at any time or from time to time the rent
actually received from such reletting of the Premises, if any, is not
sufficient to pay all such sums then accrued, the deficiency will be due and
payable from Tenant to Landlord on written demand.  Landlord may file suit to
recover any such deficiency at any time or from time to time without being
obliged to wait until expiration of the Term, and no recovery of any sum due
Landlord will be a defense to recovery of any amount not previously reduced to
judgment.  No reletting of the Premises will be construed as an election on the
part of Landlord to terminate this Lease, which termination will occur, if at
all, only by express written notice of termination to Tenant.  Notwithstanding
any such reletting without termination, Landlord may at any time thereafter
elect to terminate this Lease for any previous Tenant Default.





                                       24
<PAGE>   28
         (d)     in entering the Premises pursuant to this Section, Landlord
may use a duplicate or master key or lock combination or other lawful means,
and may thereafter change the locks to the Premises to preclude further access
by Tenant or others; and Tenant waives any requirement of Law to the contrary.
Thereafter, Landlord will not be obliged to permit Tenant or others to enter
the Premises; provided, however, during Landlord's normal business hours and at
the convenience of Landlord, and upon the written request of Tenant accompanied
by such written waivers and releases as Landlord may require, Landlord will
escort Tenant or its authorized personnel to the Premises to retrieve any
personal belongings or other property of Tenant not subject to any lien or
security interest in favor of Landlord.

         (e)     Even if this Lease is not terminated, Landlord may terminate
all rights of Tenant, if any, to receive any allowance, reimbursement payment,
or other concession under any provision of this Lease (or any Rider) and all
renewal, extension, expansion, cancellation, termination, or other options of
Tenant, if any, under any provision of this Lease (or any Rider).

7.3      HOLDING OVER.  If Tenant remains in possession after the expiration of
the Term or earlier termination of this Lease with the express written consent
of Landlord, Tenant will be a month-to-month tenant; otherwise, Tenant will be
a tenant at will.  In either case, Tenant must pay a Monthly Rent Installment
each month throughout the holdover period equal to the greater of (a) twice the
Monthly Rent Installment that Tenant was obligated to pay immediately preceding
the start of the holdover period, or (b) the prevailing market rent for the
Premises as reasonably determined by Landlord.  No holding over by Tenant will
extend the Term.  If Tenant remains in possession as a tenant at will, Tenant
will indemnify, defend, and hold Landlord harmless against any loss, liability,
damage, cost, or expense (including attorneys' fees and costs of litigation),
or any claim therefor, resulting from any inability or delay in delivering
possession to any party to whom Landlord may have agreed to lease any part of
the Premises.

7.4      LIEN FOR RENT.  In addition to any lien at Law, Tenant grants Landlord
a lien and security interest on all property of Tenant now or hereafter located
in the Premises (including proceeds thereof) to secure payment of the Rent and
full performance of this Lease by Tenant.  Landlord has all rights for the
enforcement of such lien and security interest as are available under
applicable Law, including, without limitation, rights under the Uniform
Commercial Code of the state where the Property is located and the right after
a Tenant Default to sell the property so encumbered at a public or private
sale, with or without having such property at the sale, after giving Tenant
reasonable notice of the time of any public sale or of the time after which any
private sale is to be made, at which sale Landlord may purchase unless
otherwise prohibited by Law.  Unless otherwise required by Law, and without
excluding any





                                       25
<PAGE>   29
other manner of giving Tenant reasonable notice, any requirement of reasonable
notice will be met if notice is given in the manner prescribed in this Lease at
least five (5) days before the time of sale.  The proceeds of any sale will be
applied first to pay Landlord's costs and expenses of accomplishing the sale
(including reasonable attorneys' fees and costs of litigation) and then to any
other sums owing and unpaid to Landlord under this Lease.  Tenant agrees to
execute as debtor such financing statements as Landlord may reasonably request
in order to perfect its security interest.  Landlord, at its election at any
time, may File a copy of this Lease (or a copy of the first page, this Section,
and the signature page of this Lease) as a financing statement.

7.5      LANDLORD'S DEFAULT.  It will be a "Landlord Default" only if Landlord
fails to perform or comply with any provision of this Lease and the failure
continues for fifteen (15) days after written notice from Tenant to Landlord
(with a copy to the holder of any Mortgage if Tenant has been notified in
writing of the identity and address of such holder); provided, however, if any
such failure by Landlord cannot be corrected within such 15-day period solely
as a result of nonfinancial circumstances outside of the control of Landlord,
and if substantial corrective actions have commenced within such 15-day period
and are being diligently pursued, such fifteen-day period will be extended for
such additional time as is reasonably necessary to allow completion of actions
to correct Landlord's failure.  Except as otherwise provided in this Lease, if
a Landlord Default occurs, Tenant will be entitled to all rights and remedies
available by Law.

7.6      ATTORNEYS' FEES.  In the event of litigation relating to a Tenant
Default or a Landlord Default, the defaulting party must pay all reasonable
attorneys' fees and expenses incurred by the nondefaulting party in enforcing
its rights under this Lease.  In addition, if Tenant requests the consent of
Landlord to any matter or requests Landlord to take any other action requiring
legal services, Tenant must pay all reasonable attorneys' fees and expenses so
incurred by Landlord.

7.7      NON-WAIVER.  The failure of a party to insist upon the strict
performance of any provision of this Lease or to exercise any remedy for
default will not be construed as a waiver.  The waiver of any noncompliance
with this Lease will not keep subsequent similar noncompliance from being a
default.  No waiver will be effective unless expressed in writing signed by the
waiving party, and no course of dealing will constitute a waiver or otherwise
modify the provisions of this Lease.  No waiver will affect any condition other
than the one specified in the waiver and then only for the time and in the
manner stated.  Landlord's receipt of any Rent or other sums with knowledge of
noncompliance with this Lease by Tenant will not be considered a waiver of the
noncompliance.  No payment by Tenant of a lesser amount than the full amount
then due will be considered to be other than on account of the earliest





                                       26
<PAGE>   30
amount due.  No endorsement or statement on any check or any letter
accompanying any check or payment will be considered an accord and
satisfaction, and Landlord may accept any check or payment without prejudice to
Landlord's right to recover the balance owing and to pursue any other available
remedies.  No acceptance by Landlord of keys or possession of the Premises will
constitute a surrender or waive any Tenant Default or other liability or
obligation of Tenant under this Lease.

7.8      REMEDIES CUMULATIVE.  Except as otherwise expressly stated in this
Lease, all rights and remedies in this Lease are in addition to such other
rights as may be available by Law.  The exercise of one right or remedy will
not constitute an election to waive or forego any other right or remedy.


                              8.  OTHER PROVISIONS

8.1      NOTICES.  Any notice in connection with this Lease may be given by (a)
depositing written notice in the United States mail, postpaid and certified and
addressed to the party at its Notification Address with return receipt
requested, (b) delivering written notice by commercial messenger or overnight
private delivery service to the party at its Notification Address, or (c)
facsimile transmission of written notice to the party at its Notification
Address.  Unless actually received earlier, written notice deposited in the
mail in the manner described above will be effective on the third business day
after it is so deposited, even if not received.  Written notice given by
commercial messenger, overnight private delivery, or facsimile transmission in
the manner described above will be effective as of the time of receipt at the
Notification Address as evidenced by any confirmation of delivery provided by
the messenger or delivery service or by facsimile confirmation of transmission.
Each party may change its Notification Address by not less then least ten (10)
days' prior written notice to the other party.

8.2      BUILDING STANDARD CHARGES.  The Building standard charge for any
service or other action is fifteen percent (15%) of the total costs and
expenses paid to others for necessary materials, equipment, and services
(including legal, architectural, engineering, and other consulting services),
or at Landlord's option, a reasonable fee or other charge uniformly established
for the Building to compensate Landlord for the additional work and
administrative burden.

8.3      BROKERS.  Each of Landlord and Tenant represents and warrants to the
other that it has not entered into any agreement with, or otherwise had any
dealings with any broker or agent other than Broker as the result of which any
commission, fee, or other compensation of any kind will be payable by the other
party in connection with this Lease.  Each party will indemnify, defend, and





                                       27
<PAGE>   31
hold the other party harmless against any loss, liability, damage, cost, or
expense (including reasonable attorneys' fees and costs of litigation), or any
claim therefor resulting from the untruth or inaccuracy of the foregoing
warranty and representation made by such party.  Any fee of commission owing to
Broker will be paid only in accordance with the terms of a separate written
agreement directly between Landlord and Broker.

8.4      AUTHORITY.  Tenant warrants that as of the date of execution of this
Lease by Tenant, all consents or approvals (including approvals of any board of
directors or partners) required for Tenant's execution, delivery, and
performance of this Lease have been obtained, that Tenant has the right and
authority to enter into and perform this Lease, and that this Lease is valid
and binds Tenant.  Landlord warrants that as of the date of execution of this
Lease by Landlord, all consents or approvals (including approvals of any board
of directors or partners) required for Landlord's execution, delivery, and
performance of this Lease have been obtained, that Landlord has the right and
authority to enter into and perform this Lease, and that this Lease is valid
and binds Landlord.

8.5      RECORDING AND CONFIDENTIALITY.  Tenant agrees not to record this Lease
or any memorandum or affidavit thereof.  Tenant may not disclose the terms of
this Lease to any third party except (a) legal counsel to Tenant, (b) any
assignee of Tenant's interest in this Lease or sublessee of Tenant, (c) as
required by Law or by subpoena or other similar legal process, or (d) for
financial reporting purposes.

8.6      INTERPRETIVE PROVISIONS.  Landlord and Tenant agree that:

         (a)     This document, which consists of the Basic Lease Information,
this Lease Agreement, and its attached Exhibits and Riders (which are
identified below the signatures of the parties), embodies the entire contract
between the parties, and supersedes all prior agreements and understandings
between the parties related to the Premises, including all lease proposals,
letters of intent, and similar documents.  All representations, warranties, or
agreements of an inducement nature, if any, are merged with, and stated in this
document.  This Lease is being executed in multiple counterparts, each of which
is an original for all purposes.

         (b)     This Lease may be amended or otherwise modified only by a
written instrument executed by both Landlord and Tenant.  No consent or
approval by Landlord will be effective unless given in writing signed by
Landlord or its duly authorized representative.  Any consent or approval by
Landlord will extend only to the matter specifically stated in writing.

         (c)     The captions appearing in this Lease are included solely for
convenience and will never be given any effect in construing





                                       28
<PAGE>   32
this Lease.  The presumption that this Lease should be more strictly construed
against Landlord as the drafting party does not apply.

         (d)     If any provision of this Lease is invalid or unenforceable,
the remainder of this Lease will not be affected.  Each separate provision of
this Lease will remain valid and enforceable to the fullest extent permitted by
Law.

         (e)     This Lease binds not only Landlord and Tenant, but also their
respective heirs, personal representatives, successors, and assigns (to the
extent assignment is permitted by this Lease).

         (f)     This Lease is governed by the Laws of the state where the
Property is located.

         (g)     All references to "days" in this Lease are to calendar days.
All references to "business days" in this Lease are to days that national banks
are open for business in the city where the Property is located.  All
references to the "date of this Lease" are to the date appearing on the cover
page of this Lease, which is approximately the date on which Tenant executed
this Lease.  Time is of the essence.

         (h)     Any liability or obligation of Landlord or Tenant under this
Lease accrued, arising, or based on any act, omission, or other circumstance
during the Term will survive the expiration of the Term or earlier termination
of this Lease, including without limitation, obligations and liabilities (i)
relating to the final adjustment of any estimated installments of the Base Rent
Adjustment to the actual Base Rent Adjustment owed, (ii) relating to the
condition of the Premises, and (iii) arising under agreements in this Lease to
indemnify, defend, or hold harmless.

         (i)     The relationship created by this Lease is that of landlord and
tenant.  Landlord and Tenant are not partners or joint venturers, and neither
has any agency powers on behalf of the other.  Tenant is not a beneficiary of
any other contract or agreement relating to the Property to which Landlord may
be a party, and Tenant has no right to enforce any such other contract or
agreement on behalf of itself, Landlord, or any other party.

8.7      EXECUTION AND EFFECTIVENESS.  If the name of any Guarantor is
reflected in the Basic Lease Information, Landlord's obligations are
conditioned upon the receipt by Landlord of the Guaranty of Lease in the form
attached as Exhibit E duly executed by such Guarantor, failing which this Lease
will be null and void.  Submission of this instrument for examination or
signature by Tenant does not constitute a reservation of or an option for
lease.  This Lease will be effective only when fully executed and delivered by
both Tenant and Landlord.





                                       29
<PAGE>   33
IN WITNESS WHEREOF, the parties have executed this Lease.

LANDLORD:                                    TENANT:
                                      
COMMERCE PLAZA INVESTORS, L.P.               NATIONAL BANCSHARES
By:  Commerce Plaza                          CORPORATION OF TEXAS
         Operating Corporation,       
         its General Partner          
                                      
                                      
                                      
By:    /s/ James L. Mertz, Jr.               By:    /s/ Anne R. Renfroe  
     -------------------------                    -----------------------
Name:  James L. Mertz, Jr.                   Name:  Anne R. Renfroe
Title: Senior Vice President                 Title: Chief Financial Officer



Exhibits:

A        Floor Plan of Premises
B        Description of Land
C        Form of Commencement Date Certificate
D        Building Rules

Riders:

1        Work Letter
2        Renewal Option





                                       30
<PAGE>   34
                                    RIDER 1

                                  WORK LETTER


Tenant agrees that the Leased Premises as herein described, are suitable for
Tenant's intended use and acceptable for occupancy in its present condition.
If Tenant requires any construction within the Premises, Tenant must submit
drawings and specifications for Landlord's approval.  If Landlord approves the
construction, Landlord will oversee all construction following Landlord's
receipt of a construction order executed by Tenant.  As a condition to
Landlord's approval, Tenant must pay Landlord in advance the full amount of all
construction, architectural, and other costs attributable to the construction.
<PAGE>   35
                                    RIDER 2

                                RENEWAL OPTIONS


Tenant has Three (3) options to extend the Term.  Each option that is exercised
will extend the Term for twelve (12) consecutive months following immediately
after the date on which the Term would otherwise have expired.  Each option
must be exercised, if at all, by Tenant's giving written notice to Landlord at
least three hundred sixty-five (365) days before the end of the then current
Term, failing which, all options under this Rider will lapse.  If the Term is
so extended, all provisions of the Lease will remain unchanged except as
follows:

         (a)     The number of remaining options to extend the Term under this
Rider will be reduced by one (1) for each option exercised.

         (b)     The Work Letter will not apply, and Landlord will have no
obligation to renovate, remodel, or to make any alterations, additions, or
improvements to the Premises.

         (c)     Base Rent will be adjusted to $10.00 per square foot for the
first (1st) Option, $10.50 per square foot for the second (2nd) Option and
$11.00 per square foot for the third (3rd) Option.

         (d)     The Security Deposit will be increased to equal one (1)
month's Base Rent as adjusted for the applicable extended Term, and the amount
of the increase will be due and payable at the time the applicable option to
extend is exercised.

         (e)     The Monthly Parking Charge will be adjusted to equal the
greater of (i) the Monthly Parking Charge in effect under this Lease
immediately prior to the applicable extension of the Term, or (ii) the Monthly
Parking Charge quoted by Landlord for leases of comparable space in the
Building beginning when the applicable extension of the Term begins.
<PAGE>   36
                       FIRST AMENDMENT TO LEASE AGREEMENT


         THIS FIRST AMENDMENT to Lease Agreement (the "First Amendment") is
entered into as of September 17th, 1996 between Patriot Commerce Investors,
L.P., a Delaware Limited Partnership ("Landlord"), and National Bancshares
Corporation of Texas, a Texas Corporation ("Tenant").

                                   RECITALS:

A.       Tenant is leasing Premises identified as Suite 875 and containing
1,176 square feet of Net Rentable Area in the Building known as Riverview
Towers, 111 Soledad, San Antonio, Texas 78205, under the terms of the Lease
Agreement dated July 25, 1995 (the "Lease").

B.       Landlord and Tenant desire to renew this Lease under the terms of the
renewal option (Rider 2) in the Lease.

NOW, THEREFORE, for good and valuable consideration, the receipt and
sufficiency of which are acknowledged, Landlord and Tenant amend the Lease as
follows:

         1.      Landlord and Tenant agree that the Lease Term is hereby
extended to end September 30, 1998.

         2.      Landlord and Tenant agree that as of October 1, 1997 (the
"Effective Date") the Base Rental (exclusive of Base Rent Adjustment) shall be
as follows:

<TABLE>
<CAPTION>
                 Rate per Square
                 Foot of NRA Per           Annual             Monthly
Months               Annum                 Amount           Installments
<S>                 <C>                  <C>                 <C>
I - 12              $10.00               $11,760.00           $980.00
</TABLE>

         3.      Landlord and Tenant agree that the Premises, as described in
the Lease, are suitable for Tenant's intended use and occupancy in their
present condition, with no improvements required of Landlord.

         4.      Landlord and Tenant agree that the Security Deposit of $882.00
shall be increased by $98.00. Tenant must pay the increase in Security Deposit
to Landlord on Tenant's execution of this Amendment.

         5.      The number of Renewal Options remaining under the Lease is 
reduced to (2).

         6.      Landlord and Tenant acknowledge that Landlord's name was
incorrectly reflected in the Lease as "Commerce Plaza Investors, L.P." when in
fact the correct name of Landlord is Patriot Commerce Investors, L.P.





                                       1
<PAGE>   37
         7.      Landlord and Tenant acknowledge that the Building name has
changed from "Commerce Plaza" to "Riverview Towers."

         8.      All covenants, conditions and obligations contained in the
Lease Agreement shall remain in full force and effect except as modified by
this First Amendment.


IN WITNESS WHEREOF, Landlord and Tenant have executed this First Amendment as
of the date.


LANDLORD:                                    TENANT:
                                   
PATRIOT COMMERCE INVESTORS, L.P.             NATIONAL BANCSHARES
through its General Partner,                 CORPORATION
  Patriot Commerce Operating       
  Corporation                      
                                   
                                   
By:  /s/ James L. Mertz, Jr.                 By: /s/ Anne R. Renfroe  
    --------------------------                   ---------------------
Name:  James L. Mertz, Jr.                   Name:  Anne R. Renfroe
Title: Senior Vice President                 Title: Chief Financial
                                                     Officer


                                      2

<PAGE>   1

                                                                    EXHIBIT 10.7


                                LEASE AGREEMENT

STATE OF TEXAS

COUNTY OF BEXAR

                 THIS LEASE AGREEMENT made and entered into on this day, 
                 the 10th day of June, 1996 between SPECTRUM BUILDING of
                 TEXAS, L.L.P. (hereinafter called "Lessor") whose address for
                 purposes hereof is 613 N. W. Loop 410, Suite 660, San Antonio,
                 Texas 78216 and National Bancshares Corporation (hereinafter
                 called "Lessee").  Lessee's address for purposes hereof until
                 commencement of the term of this Lease being 613 N. W. Loop
                 410, San Antonio, Texas 78216 and that thereafter being that
                 of the "Building" (hereinafter defined).

                                   WITNESSETH

                                   ARTICLE I.

LEASED
PREMISES

                 1.        Subject to and upon the terms, provisions and
                 conditions hereinafter set forth, and each in consideration of
                 the duties, covenants and obligations of the other hereunder,
                 Lessor does hereby lease, demise and let to Lessee and Lessee
                 does hereby lease from Lessor those certain premises
                 (hereinafter sometimes called the "Leased Premises") in the
                 building known as the SPECTRUM (herein called the "Building"
                 and its legal description is attached hereto and marked as
                 Exhibit "A") located in San Antonio, Texas, such premises
                 being more particularly described as follows:

                 Approximately One Thousand Eighty Six Feet of Net Rentable
                 Area (1,086 NRA) located on the sixth (6th) floor of the
                 Spectrum Building

                 as reflected on the floor plan of such premises attached
                 hereto and made a part hereof as Exhibit B.

                 2.       The term "Net Rentable Area" (NRA) as used herein,
                 shall refer to (i) in the case of a single tenancy floor, all
                 floor area measured from the inside surface of the outer glass
                 or exterior wall of the Building to the inside surface of the
                 opposite exterior wall, excluding only the areas within the
                 outside walls used for elevator mechanical rooms, building
                 stairs, fire towers, elevator shafts, flues, vents, stacks,
                 vertical pipe shafts and vertical
<PAGE>   2
                 ducts, but including such areas which are for the specific use
                 of the particular tenant such as special stairs or elevators,
                 plus an allocation of the square footage of the Building's
                 elevator and main mechanical rooms, ground level lobbies and
                 basement service area, and (ii) in the case of a partial
                 floor, all floor within the inside surface of the outer glass
                 or exterior wall enclosing the portion of the Leased Premises
                 on such floor and measured to the mid-point of the walls
                 separating areas leased by or held for lease to other tenants
                 or from areas devoted to corridors, elevator foyers, rest
                 rooms, mechanical rooms, janitor closets, vending areas and
                 other similar facilities for the use of all Tenants on the
                 particular floor (hereinafter sometimes called "Common
                 Areas"), but including a proportionate part of the Common
                 Areas located on such floor based upon the ratio which the
                 tenant's NRA on such floor bears to the aggregate NRA on such
                 floor plus an allocation of the square footage of the
                 Building's elevator and main mechanical rooms, columns or
                 projections necessary to the Building.  All parking facilities
                 located within the Building are excluded from NRA.  The NRA in
                 the Leased Premises has been calculated on the basis of the
                 foregoing definition and is hereby stipulated for all purposes
                 hereto to be approximately 1,086 square feet, whether the same
                 should be more or less as a result of minor variations
                 resulting from actual construction and completion of the
                 Leased Premises for occupancy so long as such work is in
                 accordance with the terms and provisions hereof.

                                  ARTICLE II.

TERM             1.       (a)     Subject to and upon the terms and conditions
                 set forth herein, or in any exhibit or addendum hereto, this
                 lease shall continue in force for a term of eighteen (18)
                 months, beginning on the 1st day of July, 1996, and ending on
                 the 31st day of December, 1997.

                          (b)     In the event the Leased Premises should not
                 be ready for occupancy by said commencement date for any
                 reason, Lessor shall not be liable or responsible for any
                 claims, damages or liabilities in connection therewith or by
                 reason thereof.  This Lease Agreement shall be effective only
                 from the time that the Leased Premises are ready for occupancy
                 by Lessee which date shall be the date of commencement of the
                 term of the Lease.  Should the term of this lease commence on
                 a date other than that specified in Paragraph (1)a above, of
                 Article II, Lessor and Lessee will, at the request of either,
                 execute a declaration specifying the beginning date of the
                 term of this Lease Agreement.  In such event, rental under
                 this Lease shall not commence until said revised commencement
                 date, and the stated term in this Lease shall thereupon
                 commence and the





                                       2
<PAGE>   3
                 expiration date shall be extended so as to give effect to the
                 full stated term.


USE
                 2.       The Leased Premises are to be used and occupied by
                 Lessee solely for the purpose of general office space.

BASE
RENTAL

                 3.       Lessee hereby agrees to pay annual rental (herein
                 called "Base Rental") in the sum of $15,747.00 per year.
                 Lessee shall pay, as additional rent, all other sums of money
                 as shall become due and payable by Lessee to Lessor under this
                 Lease.  The Lessor shall have the same remedies of default for
                 the payment of additional rent as are available to Lessor in
                 the case of a default in the payment of Base Rental.  Such
                 Base Rental, together with any adjustments of rent provided
                 for herein then in effect, shall be due and payable in twelve
                 (12) equal installments on the first day of each calendar
                 month during the initial term or any extensions or renewals
                 thereof, and Lessee hereby agrees to so pay such rent to
                 Lessor at such address as may be designated by Lessor monthly
                 in advance without demand.  If the term of this Lease as
                 heretofore established commences on other than the first day
                 of a month or terminates on other than the last day of a
                 month, then the installment of Base Rental of such month or
                 months shall be prorated and the installment or installments
                 so prorated shall be paid in advance.  All past due
                 installments of rent shall bear interest at 10% per annum
                 until paid.

SECURITY
DEPOSIT

                 4.       Upon execution of this Lease, Lessee shall deposit
                 with Lessor and Lessor will keep on deposit at all times
                 during the term of this Lease, the sum of One Thousand Three
                 Hundred Twelve & 25/100 Dollars ($1,312.25) (the "Security
                 Deposit"), as security for the payment by Lessee of all rent
                 and other amounts herein agreed to be paid and for the
                 faithful performance of all the terms, conditions, and
                 covenants of this Lease.  If, at any time during the term of
                 this Lease, Lessee shall be in default in the performance of
                 any provision of this Lease, Lessor shall have the right to
                 use said deposit, or so much thereof as necessary, in payment
                 of any rent or other amount of default in reimbursement of any
                 expense incurred by Lessor, and in payment of any damages
                 incurred by Lessor by reason of Lessee's default.  In such
                 event, Lessee shall, on





                                       3
<PAGE>   4
                 written demand of Lessor, pay to Lessor a sufficient amount in
                 cash to restore the deposit.  To the extent the deposit has
                 not been utilized, for such purposes, it shall be refunded to
                 Lessee within sixty (60) days after the termination of the
                 Lease or surrender and acceptance of the Premises, whichever
                 occurs last.  Lessor shall have the right to commingle the
                 deposit with other funds of Lessor and no interest shall be
                 paid thereon to Lessee (except as required by law).  Lessor
                 shall deliver the funds deposited by Lessee to the purchaser
                 of Lessor's interest in the Premises in the event such
                 interest be sold and, thereupon, Lessor shall be discharged
                 from further liability with respect to the deposit.  If claims
                 of Lessor exceed the deposit, Lessee shall remain liable for
                 the balance of such claims.

BASE
RENTAL
ADJUSTMENT

                 5.       The Base Rental Adjustment shall be calculated in
                 accordance with the following:

                          (a)     Lessee's Base Rental includes a component
                 applicable to Basic Costs (hereinafter defined) equal to the
                 1996 cost per square foot of NRA of the Leased Premises.

                          (b)     Prior to the commencement of each calendar
                 year of Lessee's occupancy, Lessor shall provide an estimate
                 of Basic Costs for said calendar year.  Lessee shall pay a
                 Base Rental for said calendar year adjusted upward or
                 downwards, as appropriate, by the amount of difference between
                 the prior calendar year's estimated Basic Costs and the coming
                 year's estimated Basic Costs.

                          (c)     Within 150 days or as soon thereafter as
                 possible of the conclusion of each calendar year of the lease
                 term, Lessor shall furnish to Lessee a statement of Lessor's
                 Basic Costs for said lease year.  A lump sum payment will be
                 made from Lessor to Lessee or from Lessee to Lessor, as
                 appropriate, within 30 days of the delivery of such statement
                 equal to the difference in actual Basic Costs and estimated
                 Basic Costs for which payments have been included in the
                 adjusted Base Rental set forth above for the just completed
                 year.  The effect of this reconciliation payment is that
                 Lessee will pay during the lease term its share of Basic Costs
                 increases over the original 1996 cost per square foot and no
                 more.

                          (d)     All increases in Basic Costs shall be paid by
                 Lessee in the proportion which Lessee's Net Rentable Area





                                       4
<PAGE>   5
                 bears to 100% of the total Net Rentable Area in the Building
                 or to the total Net Rentable Area leased in the Building (if
                 such total leased is greater than 100% of the total Building
                 NRA).

                          Nothing contained in this Paragraph 4 shall be
                 construed at any time so to reduce the monthly installments of
                 Base Rental payable hereunder below the amount set forth in
                 Article II, Paragraph 3, of this lease.

BASIC
COSTS
                 6.       "Basic Costs" as said term is used herein shall
                 consist of all operating expenses of the Building, which shall
                 be computed on the accrual basis and shall include all
                 expenditures by Lessor to maintain and operate all facilities
                 of the Building in operation from the beginning of the lease
                 term and such additional facilities in subsequent years as may
                 be determined by Lessor to be necessary.  All operating
                 expenses shall be determined in accordance with generally
                 accepted accounting principles which shall be consistently
                 applied.  The term "operating expenses" as used herein shall
                 mean all expenses, costs and disbursements (but not
                 replacement of capital investment items nor specific costs
                 especially billed to and paid by specific tenants) of every
                 kind and nature which Lessor shall pay or become obligated to
                 pay because of or in connection with the ownership and
                 operation of the Building, including but not limited to the
                 following:

                          (a)     Wages, salaries and all related expenses and
                 benefits, of all employees engaged in operation and
                 maintenance, or security, of the Building and personnel who
                 may provide traffic control relating to ingress and egress to
                 and from the parking facilities which are part of the Building
                 to the surrounding public streets.  All taxes, insurance and
                 benefits relating to employees providing these services shall
                 be included.

                          (b)     Cost of all supplies and materials and
                 equipment rented or used in operation and maintenance of the
                 Building.

                          (c)     Cost of all utilities for the Building,
                 including the cost of water and power, heating, lighting, air
                 conditioning and ventilating for the Building (including
                 charges to the Building for any such services for the Building
                 provided from a central plant which also serves other parts of
                 the Building).

                          (d)     Management costs and the cost of all
                 maintenance and service agreements for the Building and the
                 equipment





                                       5
<PAGE>   6
                 therein, including, but not limited to, alarm service, window
                 cleaning, security service, traffic control, janitorial
                 service and elevator maintenance.

                          (e)      Cost of all insurance relating to the
                 Building, including, but not limited to, the cost of fire,
                 rental abatement, casualty and liability insurance applicable
                 to the Building and Lessor's personal property used in
                 connection therewith.


                          (f)     All taxes and assessments and governmental
                 charges whether federal, state, county or municipal, and
                 whether they be by taxing districts or authorities presently
                 taxing the Building or by others subsequently created or
                 otherwise, and any other taxes and assessments attributable to
                 the Building or its operation and an allocation to the
                 Building of the taxes for the service roads which serve the
                 Building.  It is agreed that Lessee will be responsible for ad
                 valorem taxes on its personal property and on the value of
                 leasehold improvements to the extent that same exceed standard
                 building allowances.

                          (g)     Cost of repairs and general maintenance of
                 the Building (excluding repairs and general maintenance paid
                 by proceeds of insurance or by Lessee or other third parties,
                 and alterations attributable solely to tenants of the Building
                 other than Lessee).

                          (h)     Amortization of the cost of installation of
                 capital investment items which are primarily for the purpose
                 of reducing operating costs or which may be required by
                 governmental authority.  All such costs shall be amortized
                 over the reasonable life of the capital investment items by
                 including in Basic Costs annually the applicable amortization
                 amount, with the reasonable life and amortization schedule
                 being determined in accordance with generally accepted
                 accounting principles and in no event to extend beyond the
                 reasonable life of the Building.

                          (i)     Lessor's central accounting costs applicable
                 to the Building.

                          (j)     Any allocation of expenditures for service or
                 operation of the Building attributable to the Building,
                 determined in accordance with generally accepted accounting
                 principles.

                          (k)     Cost of an office in the Building maintained
                 for management of the Building





                                       6
<PAGE>   7
                          Notwithstanding any other provision herein to the
                 contrary, it is agreed that in the event the Building is not
                 fully occupied during any year of the lease term, an
                 adjustment shall be made in computing the Basic Costs for such
                 year so that the Basic Costs shall be computed for such year
                 as though the Building had been fully occupied during such
                 year.

                          Lessee at its expense shall have the right at any
                 reasonable time within twelve months after the end of a year
                 in which additional rent is due, to retain an independent
                 certified public accountant to audit Lessor's books and
                 records relating to this Lease for any year or years for which
                 additional rental payments become due; or at Lessor's sole
                 discretion, Lessor will provide such audit prepared by a
                 certified public accountant.

                                  ARTICLE III.

                 Lessor covenants and agrees with Lessee:

SERVICES
TO BE
FURNISHED
BY LESSOR
                 1.       To use its best efforts to cause public utilities to
                 furnish the electricity, gas and water utilized in operating
                 any and all facilities serving the leased premises.

                 2.       To provide (as part of the Basic Costs of the
                 Building) access to the Building during weekends and after
                 normal working hours during the week via access cards and
                 proximity access card readers.  Lessor shall not be liable to
                 Lessee for losses due to theft or burglary, or for damages
                 done by unauthorized persons on the premises.  Normal building
                 hours are 7:00 a.m.-6:00 p.m. Monday-Friday, and 8:00 a.m.-
                 12:00 p.m. Saturdays.

                 3.       To furnish (as part of the Basic Costs of the
                 Project) Lessee while occupying the premises:

                          (a)     Hot and cold water at those points of supply
                 provided for general use of other tenants in the Building;
                 central heat and air considered by Lessor to be standard, but
                 such service at times during weekdays other than normal
                 business hours for the Building, on Saturday afternoons,
                 Sundays and holidays to be furnished only upon request of
                 Lessee, who shall bear the entire cost thereof; routine
                 maintenance and electric lighting service for all public areas
                 and special service areas of the Building in the manner and to
                 the extent deemed by Lessor to be standard.





                                       7
<PAGE>   8
                          (b)     Janitor service on a five (5) day week basis
                 at no extra charge; provided, however, if Lessee's floor
                 coverings or other improvements are other than building
                 standard, Lessee will pay the additional cleaning cost
                 attributable thereto as additional rent.  Lessee will pay said
                 additional rent upon presentation of a statement therefor by
                 Lessor, and Lessee's failure to pay shall constitute default
                 hereunder.

                          (c)     Electrical facilities to furnish sufficient
                 power for typewriters, voice writers, calculating machines,
                 personal computers, copiers and other machines of similar low
                 electrical consumption (total consumption not to exceed one
                 watt per square foot of Net Rentable Area per month); but not
                 including electricity required for duplicating and electronic
                 data processing equipment, special lighting in excess of
                 building standard, and any other item of electrical equipment
                 which (singly) consumes more than 0.5 kilowatts at rated
                 capacity or requires a voltage other than 120 volts single
                 phase and provided that if the installation of said electrical
                 equipment requires additional air conditioning capacity above
                 that provided by the building standard system, then the
                 additional air conditioning installation including any
                 submetering devices necessary and operating costs will be the
                 obligation of Lessee.

                          (d)     All building standard fluorescent bulb
                 replacement in all areas and all incandescent bulb replacement
                 in public areas, toilet and rest room areas and stairwells.

                          Failure by Lessor to any extent to furnish these
                 defined services, or any cessation thereof, resulting from
                 causes beyond the reasonable control of Lessor shall not
                 render Lessor liable in any respect for damages to either
                 person or property, nor be construed as an eviction of Lessee,
                 nor work an abatement of rent, nor relieve Lessee from
                 fulfillment of any covenant or agreement hereof.  Should any
                 of the equipment or machinery serving the Building break down,
                 or for any cause cease to function properly, Lessee shall have
                 no claim for rebate of rent or damages on account of an
                 interruption of service occasioned thereby or resulting
                 therefrom.

KEYS
and
LOCKS

                 4.       To furnish Lessee two (2) keys for each corridor door
                 entering the Leased Premises.  Additional keys will be
                 furnished at a charge by Lessor on an order signed by





                                       8
<PAGE>   9
                 Lessee's authorized representative.  All such keys shall
                 remain the property of Lessor.  No additional locks shall be
                 allowed on any door of the Leased Premises without Lessor's
                 permission, and Lessee shall not make, or permit to be made
                 any duplicate keys, except those furnished by Lessor.  Upon
                 termination of this Lease, Lessee shall surrender to Lessor
                 all keys of the Leased Premises, and give to Lessor the
                 explanation of the combination of all locks for safe, safe
                 cabinets and vault doors, if any, in the Leased Premises.

WINDOW
COVERINGS

                 5.       To provide horizontal mini-blind window coverings.
                 Lessee agrees that any window coverings in addition to those
                 provided are at Lessee's cost and are subject to Lessor's
                 written approval.


IMPROVEMENTS
to be MADE
by LESSOR

                 6.       To provide and install all letters or numerals on
                 doors into the Leased Premises.  All such letters and numerals
                 shall be in Building standard graphics, and no others shall be
                 used or permitted on the Leased Premises.  Lessor also agrees
                 to provide and install, a listing on the Building directory
                 board.

                 7.        Lessor is to Lease the Leased Premises to the Lessee
                 on an "as is" basis.
                
PEACEFUL
ENJOYMENT

                 8.       That Lessee shall, and may peacefully have, hold and
                 enjoy the Leased Premises, subject to the other terms hereof,
                 provided that Lessee pays the rental and other sums herein
                 recited to be paid by Lessee and performs all of Lessee's
                 covenants and agreements herein contained.  It is understood
                 and agreed that this covenant and any and all other covenants
                 of Lessor contained in this Lease shall be binding upon Lessor
                 and its successors only with respect to breaches occurring
                 during its and their respective ownership of the Lessor's
                 interest hereunder.





                                       9
<PAGE>   10
LIMITATION
of LESSOR'S
PERSONAL
LIABILITY

                 9.       Lessee specifically agrees to look solely to Lessor's
                 interest in the Building for the recovery of any judgment from
                 Lessor, it being agreed that Lessor shall never be personally
                 liable for any such judgment.  The provisions contained in the
                 foregoing sentence are not intended to, and shall not limit
                 any right that Lessee might otherwise have to obtain
                 injunctive relief against Lessor or Lessor's successors in
                 interest, or any other action not involving the personal
                 liability of Lessor to respond in monetary damages from assets
                 other than Lessor's interest in the Building or any suit or
                 action in connection with enforcement or collection of amounts
                 which may become owing or payable under or on account of
                 insurance maintained by Lessor.

PARKING

                 10.      Lessee shall at all times during the term of this
                 lease have parking rights for at least 3 vehicles in the
                 Parking Garage located adjacent to the Building.  No specific
                 spaces in the parking Garage are to be assigned to Lessee but
                 Lessor will issue Lessee the aforesaid number of parking
                 stickers each of which will authorize parking in the Parking
                 Garage of a vehicle on which the sticker is displayed, or
                 Lessor will provide a reasonable alternative means of
                 identifying and controlling vehicles authorized to be parked
                 in the Parking Garage.  Lessor may designate the area within
                 which each such vehicle may be parked, and Lessor may change
                 such designations from time to time.  Lessor may make, modify
                 and enforce rules and regulations relating to the parking of
                 automobiles in the Parking Garage, and Lessee will abide by
                 such rules and regulations.  Lessor also reserves the right to
                 increase the size of the Parking Garage.

                                  As the Basic Parking Charge, Lessee covenants
                 and agrees to pay Lessor during the term of this Lease, as
                 additional rental hereunder, the sum of $ -0- per month for
                 each of the parking stickers to be issued by Lessor as herein
                 provided, such sum to be payable monthly in advance on the
                 first day of each and every calendar month during the lease
                 term, and calendar month in the event the lease term commences
                 on a date other than the first day of a calendar month.





                                       10
<PAGE>   11
                                  ARTICLE IV.

                 Lessee covenants and agrees with Lessor:

PAYMENTS
by LESSEE

                 1.       To pay all rent and sums provided to be paid to
                 Lessor in the times and in the manner herein provided.

REPAIRS
by LESSOR

                 2.       Unless otherwise stipulated herein, Lessor shall not
                 be required to make any improvements or repairs of any kind or
                 character on the Leased Premises during the term of this
                 Lease, except such repairs as may be required for normal
                 maintenance operations.  The obligation of Lessor to maintain
                 and repair the Leased Premises shall be limited to building
                 standard items.  Special leasehold improvements will, at
                 Lessee's written request, be maintained by Lessor at Lessee's
                 cost, plus an additional charge to cover overhead.

REPAIRS
by LESSEE

                 3.       At its own cost and expense, to repair or replace any
                 damage or injury done to the Building, or any part thereof,
                 caused by Lessee or Lessee's agents, employees, invitees or
                 visitors; provided however, if Lessee fails to make such
                 repairs or replacements promptly, Lessor may, at its option,
                 make such repairs or replacements, and Lessee shall repay the
                 cost thereof to the Lessor on demand, subject to Article V,
                 paragraph 15.

CARE of
the LEASED
PREMISES

                 4.       Not to commit or allow any waste or damage to be
                 committed on any portion of the Leased Premises, and at the
                 termination of this Lease, by lapse of time or otherwise, to
                 deliver up said Leased Premises to Lessor in as good condition
                 as at date of possession by Lessee, ordinary wear and tear
                 excepted, and upon such termination of this Lease, Lessor
                 shall have the right to re-enter and resume possession of the
                 Leased premises.





                                       11
<PAGE>   12
ASSIGNMENT of
SUBLEASE

                 5.       In the event Lessee should desire to assign this
                 Agreement or sublet the Leased Premises or any part thereof,
                 Lessee shall give Lessor written notice of such desire at
                 least sixty (60) days in advance of the date on which Lessee
                 desires to make such assignment or sublease.  Lessor shall
                 then have a period of thirty (30) days following receipt of
                 such notice within which to notify Lessee in writing that
                 Lessor elects either (1) to terminate this Agreement as to the
                 space so affected as of the date so specified by Lessee in
                 which event Lessee will be relieved of all further obligation
                 hereunder as to such space, or (2) permit Lessee to assign or
                 sublet such space, subject, however, to subsequent written
                 approval of the proposed assignee or sublessee by Lessor; if
                 however, the rental rate agreed upon between Lessee and
                 Sublessee is greater than the rental rate that Lessee must pay
                 Lessor, then such excess rental shall be deemed additional
                 rent owed by Lessee to Lessor and shall be paid by Lessee to
                 Lessor in the same manner that Lessee pays the base rent as
                 outlined in Section II, paragraph 3, or (3) to refuse to
                 consent (with cause only) to Lessee's assignment or subleasing
                 such space and to continue this Lease in full force and effect
                 as to the entire Leased Premises.  If Lessor should fail to
                 notify Lessee in writing of such election within said thirty
                 (30) day period, Lessor shall be deemed to have elected option
                 (2) above.  If Lessor elects to exercise option (2) above,
                 Lessee agrees to provide at its expense, direct access from
                 such sublet space to a public corridor of the Building.  No
                 assignment or subletting by Lessee shall relieve Lessee of any
                 obligation under this Lease.  Any attempted assignment or
                 sublease by Lessee in violation of the terms and covenants of
                 this paragraph shall be void.

ALTERATIONS,
ADDITIONS,
IMPROVEMENTS

                 6.       Not to permit the Leased Premises to be used for any
                 purpose other than that stated in the use clause hereof, or
                 make or allow to be made any alterations or physical additions
                 in or to the Leased Premises, without first obtaining the
                 written consent of Lessor.  Any and all such alterations,
                 physical additions, or improvements, when made to the Leased
                 Premises by Lessee, shall at once become the property of
                 Lessor and shall be surrendered to Lessor upon the termination
                 of this Lease by lapse of time or otherwise; provided,
                 however, this clause shall not apply to movable equipment or
                 furniture owned by Lessee.  Lessee





                                       12
<PAGE>   13
                 agrees specifically that no food, soft drink or other vending
                 machine will be installed within the Leased Premises.

LEGAL USE
and VIOLATIONS
of INSURANCE
COVERAGE

                 7.       Not to occupy or use any portion of the Leased
                 Premises to be occupied or used for any business or purpose
                 which is unlawful, disreputable or deemed to be
                 extra-hazardous on account of fire, or permit anything to be
                 done which would in any way increase the rate of fire
                 insurance coverage on said Building and/or its contents.

LAWS and
REGULATIONS;
RULES of
BUILDING

                 8.       To comply with all laws, ordinances, orders, rules
                 and regulations (state, federal, municipal and other agencies
                 or bodies having any jurisdiction thereof) relating to the
                 use, condition or occupancy of the Leased Premises.  Lessee
                 will comply with the rules of the Building adopted by Lessor
                 from time to time for the safety, care and cleanliness of the
                 Leased Premises and for preservation of good order therein,
                 all of which will be sent by Lessor to Lessee in writing and
                 shall be thereafter carried out and observed by Lessee.

ENTRY for
REPAIRS and
INSPECTION

                 9.       To permit Lessor or its agents or representatives to
                 enter into and upon any part of the Leased Premises at all
                 reasonable hours to inspect same, clean or make repairs,
                 alterations or additions thereto, as Lessor may deem necessary
                 or desirable, and Lessee shall not be entitled to any
                 abatement or reduction of rent by reason thereof.

NUISANCE

                 10.      To conduct its business and control its agents,
                 employees, invitees and visitors in such manner as not to
                 create any nuisance, or interfere with, annoy or disturb any
                 other Lessee or Lessor in his operation of the Building.





                                       13
<PAGE>   14
SUBORDINATION
to MORTGAGE

                 11.      This Lease is subject and subordinate to any first
                 lien mortgage or deed of trust which may now or hereafter
                 encumber the Building of which the Leased Premises form a part
                 and to all renewals, modifications, consolidations,
                 replacements and extensions thereof.  This clause shall be
                 self-operative and no further instrument of subordination
                 need be required by any mortgagee.  In confirmation of such
                 subordination, however, Lessee shall at Lessor's request
                 execute promptly any appropriate certificate or instrument
                 that Lessor may request.  Lessee hereby constitutes and
                 appoints Lessor the Lessee's attorney-in-fact to execute any
                 such certificate or instrument for and on behalf of Lessee.
                 In the event of the enforcement by the trustee or the
                 beneficiary under any such mortgage or deed of trust, Lessee
                 will, upon request of any person or party succeeding to the
                 interest of Lessor as a result of such enforcement,
                 automatically become the Lessee of such successor in interest
                 without change in the terms or other provisions of such lease;
                 provided, however, that such successor in interest shall not
                 be bound by (i) any payment of rent or additional rent for
                 more than one month in advance except pre-payments in the
                 nature of security for the performance by Lessee of its
                 obligations under this Lease, or (ii) any amendment or
                 modification of this Lease made without the written consent of
                 such trustee or such beneficiary or such successor in
                 interest.  Upon request by such successor in interest, Lessee
                 shall execute and deliver an instrument or instruments
                 confirming the attornment herein provided for.

ESTOPPEL
CERTIFICATE
or THIRD
PARTY
AGREEMENT
                 12.      At Lessor's request Lessee will execute either an
                 Estoppel Certificate addressed to Lessor's mortgagee or a
                 three-party agreement among Lessor, Lessee and said mortgagee
                 certifying as to such facts (if true) and agreeing to such
                 notice provisions and other matters as such mortgagee may
                 reasonably require in connection with Lessor's financing.

NAME
CHANGES

                 13.      That Lessor shall have the right to change the name
                 of the Building or the design of construction thereof whenever
                 Lessor, in its sole discretion deems it appropriate without





                                       14
<PAGE>   15
                 any liability to Lessee and without any consent of Lessee
                 being necessary.

                                   ARTICLE V.

                 Lessor and Lessee mutually covenant and agree as follows:

CONDEMNATION
and LOSS
or DAMAGE

                 1.       If the Leased Premises shall be taken or condemned
                 for the public purpose to such an extent as to render the
                 Leased Premises untenantable this Lease shall, at the option
                 of either party, forthwith cease and terminate.  All proceeds
                 from any taking or condemnation of the Leased Premises shall
                 belong to and be paid to Lessor.

DAMAGES FROM
CERTAIN
CAUSES

                 2.       Lessor shall not be liable or responsible to Lessee
                 for any loss or damage to any property or person occasioned by
                 theft, fire, act of God, public enemy, injunction, riot,
                 strike, insurrection, war, court order, requisition or order
                 of governmental body or authority, or for any damage or
                 inconvenience which may arise through repair or alteration of
                 any part of the Building, or failure to make any such repairs.

LESSOR'S RIGHT
to RELET

                 3.       In the event of default by Lessee in any of the terms
                 or covenants of this Lease or in the event the Leased Premises
                 are abandoned by Lessee, Lessor shall have the right, but not
                 the obligation, to relet same for the remainder of the term
                 provided for herein; and if the rent received through such
                 reletting does not at least equal the rent provided for
                 herein, Lessee shall pay and satisfy any deficiency between
                 the amount of the rent so provided for, and that received
                 through reletting and in addition thereto, shall pay all
                 reasonable expenses incurred in connection with any such
                 reletting, including but not limited to the cost of
                 renovating, altering and decorating for a new occupant.
                 Nothing herein shall be construed as in any way denying Lessor
                 the right in the event of abandonment of said premises or
                 other breach of this agreement by Lessee, to treat the same as
                 an entire breach and at Lessor's option to immediately sue for
                 the entire





                                       15
<PAGE>   16
                 breach of this agreement and any and all damages which Lessor
                 suffers thereby.

HOLDING
OVER

                 4.       In the event of holding over by Lessee after
                 expiration or termination of the Lease without the written
                 consent of Lessor, Lessee shall pay as liquidated damages
                 double rent for the entire holdover period.  No holding over
                 by Lessee after the term of this Lease shall operate to extend
                 the Lease; in the event of any unauthorized holding over,
                 Lessee shall indemnify Lessor against all claims for damages
                 by any other Lessee to whom Lessor may have leased all or any
                 part of the premises covered hereby effective upon the
                 termination of this Lease.  Any holding over with the consent
                 of Lessor in writing shall thereafter constitute this Lease a
                 lease from month to month.

FIRE
CLAUSE

                 5.       In the event of a fire in the Leased Premises, Lessee
                 shall immediately give notice thereof to Lessor.  If the
                 Leased Premises, though no fault or neglect of Lessee, its
                 agents, employees, invitees or visitors, shall be partially
                 destroyed by fire or other casualty so as to render the Leased
                 Premises untenantable, the rental herein shall abate
                 thereafter until such time as the Leased Premises are made
                 tenantable as determined by Lessor.  In the event of the total
                 destruction of the Leased Premises without fault or neglect of
                 Lessee, its agent, employees, invitees or visitors, or if from
                 such cause the same shall be so damaged that Lessor shall
                 decide not to rebuild, then all rent owed up to the time of
                 such destruction or termination shall be paid by Lessee and
                 henceforth this Lease shall cease and come to an end.

ATTORNEY'S
FEES
                 6.       In the event Lessee makes default in the performance
                 of any of the terms, covenants, agreements or conditions
                 contained in this Lease and Lessor places the enforcement of
                 this Lease, or any part thereof, or the collection of any rent
                 due, or to become due hereunder, or recovery of the possession
                 of the Leased Premises in the hands of an attorney, or files
                 suit upon the same, Lessee agrees to pay Lessor's attorney's
                 fees.





                                       16
<PAGE>   17
ALTERATION

                 7.       This agreement may not be altered, changed or
                 amended, except by an instrument in writing, signed by both
                 parties hereto.

ASSIGNMENT
by LESSOR

                 8.       Lessor shall have the right to transfer and assign,
                 in whole or in part, all its rights and obligations hereunder
                 and in the Building and property referred to herein, and in
                 such event and upon its transferee's assuming Lessor's
                 obligations hereunder (any such transferee to have the benefit
                 of, and be subject to, the provisions of Paragraph 8 and 9 of
                 Article III hereof) no further liability or obligation shall
                 thereafter accrue against Lessor hereunder.

DEFAULT
by LESSEE

                 9.       If default shall be made in the payment of any sum to
                 be paid by Lessee under this Lease, and default shall continue
                 for ten (10) days, or default shall be made in the performance
                 of any of the other covenants or conditions which Lessee is
                 required to observe and to perform, and such default shall
                 continue for twenty (20) days, or if the interest of Lessee
                 under this Lease shall be levied on under execution or other
                 legal process, or if any petition shall be filed by or against
                 Lessee to declare Lessee bankrupt or to delay, reduce or
                 modify Lessee's debts or obligations, or if any petition shall
                 be filed or other action taken to reorganize or modify
                 Lessee's capital structure if Lessee be a corporation or other
                 entity, or if Lessee be declared insolvent according to law,
                 or if any assignment of Lessee's property shall be made for
                 the benefit of creditors, or if a receiver or trustee is
                 appointed for Lessee or its property, or if Lessee shall
                 abandon the Leased Premises during the term of this Lease or
                 any renewals or extensions thereof, then Lessor may treat the
                 occurrence of any one or more of the foregoing events as a
                 breach of this Lease (provided that no such levy, execution,
                 legal process or petition filed against Lessee shall
                 constitute breach of this Lease if Lessee shall vigorously
                 contest the same by appropriate proceedings and shall remove
                 or vacate the same within thirty (30) days from the date of
                 its creation, service or filing) and thereupon, at Lessor's
                 option, may have any one or more of the following described
                 remedies in addition to all other rights and remedies provided
                 at law or in equity.





                                       17
<PAGE>   18
                          (a)     Lessor may terminate this Lease and forthwith
                 repossess the Leased Premises and be entitled to recover
                 forthwith as damages a sum of money equal to the total of (i)
                 the cost of recovering the Leased Premises, (ii) the unpaid
                 rent earned at the time of termination, plus interest thereon
                 at the maximum lawful rate per annum from the due date, (iii)
                 the balance of the rent for the remainder of the term less the
                 fair market value of the Leased Premises for said period, and
                 (iv) any other sum of money and damages owed by Lessee to
                 Lessor.

                          (b)     Lessor may terminate Lessee's right of
                 possession (but not the Lease) and may repossess the Leased
                 Premises by forcible entry or detainer suit or otherwise,
                 without demand or notice of any kind to Lessee and without
                 terminating this Lease, in which event Lessor may, but shall
                 be under no obligation to do so, relet the same for the
                 account of Lessee for such rent and upon such terms as shall
                 be satisfactory to Lessor.  For the purpose of such reletting
                 Lessor is authorized to decorate or to make any repairs,
                 changes, alterations or additions in or to Leased Premises
                 that may be necessary or convenient, and (i) if Lessor shall
                 fail or refuse to relet the Leased Premises, or (ii) if the
                 same are relet and a sufficient sum shall not be realized from
                 such reletting after paying the unpaid basic and additional
                 rent due hereunder earned but unpaid at the time of reletting
                 plus ten percent per annum thereon, the cost of recovering
                 possession, and all of the costs and expenses of such
                 decorations, repairs, alterations and additions and the
                 expense of such reletting and of the collection of the rent
                 accruing therefrom to satisfy the rent provided for in this
                 lease to be paid, then Lessee shall pay to Lessor as damages a
                 sum equal to the amount of the rental reserved in this Lease
                 for such period or periods, or if the Leased Premises have
                 been relet, the Lessee shall satisfy and pay any such
                 deficiency upon demand therefor from time to time and Lessee
                 agrees that Lessor may file suit to recover any sums falling
                 due under the terms of this Article V, Paragraph 9(b) from
                 time to time; and that no delivery to or recovery of any
                 portion due Lessor hereunder shall be any defense in any
                 action to recover any amount not theretofore reduced to
                 judgment in favor of Lessor, nor shall such reletting be
                 construed as an election on the part of Lessor to terminate
                 this Lease unless a written notice of such intention be given
                 by Lessor to Lessee.  Notwithstanding any such reletting
                 without termination, Lessor may at any time thereafter elect
                 to terminate this Lease, for such previous breach.

NON-WAVIER
                 10.      Failure of Lessor to declare any default immediately
                 upon occurrence thereof, or delay in taking action in





                                       18
<PAGE>   19
                 connection therewith, shall not waive such default, but Lessor
                 shall have the right to declare any such default at any time
                 and take such action as might be lawful or authorized
                 hereunder, either in law or in equity.
CASUALTY
INSURANCE

                 11.      Lessor shall maintain fire and extended coverage
                 insurance on the portion of the Building constructed by
                 Lessor, including additions and improvements by Lessee which
                 are required to be made by Lessee by this Lease and which have
                 become or are to become the property of Lessor upon vacation
                 of the Leased Premises by Lessee.  Said insurance shall be
                 maintained with an insurance company authorized to do business
                 in Texas, in amounts and with deductibles desired by Lessor
                 and at the expense of Lessor and payments for losses
                 thereunder shall be made solely to Lessor.  Lessee shall
                 maintain at its expense fire and extended coverage insurance
                 on all of its personal property, including removable trade
                 fixtures located in the Leased Premises and on all additions
                 and improvements made by Lessee and not required to be insured
                 by Lessor above.  If the annual premiums to be paid by Lessor
                 shall exceed the standard rates because Lessee's operations,
                 contents of the Leased Premises, or improvements with respect
                 to the Leased Premises beyond building standard, result in
                 extra-hazardous exposure, Lessee shall promptly pay the excess
                 amount of the premium upon request by Lessor.  Lessee agrees
                 that it shall keep its furniture, fixtures, merchandise,
                 equipment and all items Lessee is obligated to maintain and
                 repair under this Lease but not items or Building nonstandard
                 items required to be insured by Lessor insured against loss or
                 damage by fire or other casualty covered by an "all risk",
                 multi-peril, or "special form" policy, including fire and
                 extended coverage, to the extent of full replacement cost of
                 such items.  It is understood and agreed that Lessee assumes
                 all risk of damage to its own property arising from any cause
                 whatsoever, including without limitation, loss by theft or
                 otherwise.

LIABILITY
INSURANCE

                 12.      Lessor and Lessee, each at their respective expense,
                 shall maintain a policy or policies of comprehensive general
                 liability insurance with the premiums thereon fully paid in
                 advance issued by and binding upon some solvent insurance
                 company, such insurance to afford minimum protection of not
                 less than One Million Dollars ($1,000,000.00) in respect to
                 any one occurrence, and of not less than Five Hundred Thousand
                 Dollars ($500,000.00) for property damage in any one
                 occurrence.  The policy or





                                       19
<PAGE>   20
                 policies of insurance to be maintained by Lessee shall name
                 the Lessor as an additional insured and shall contain an
                 endorsement that such policies cannot be amended or modified
                 as to Lessor without fifteen (15) days prior written notice.
                 Lessee shall deliver duplicate original policies or
                 certificates of insurance in form satisfactory to Lessor not
                 less than twenty (20) days prior to the expiration of old
                 policies.

HOLD
HARMLESS

                 13.      Lessee shall not be liable to Lessor, or to Lessor's
                 agents, servants, employees, customers or invitees for any
                 damage to person or property caused by any act, omission or
                 neglect of Lessor, its servants or employees, and Lessor
                 agrees to hold Lessee harmless from all claims for such
                 damage.  Lessor shall not be liable to Lessee, or to Lessee's
                 agents, servants, employees, customers or invitees for any
                 damage to person or property caused by an act, omission or
                 neglect of Lessee, its agents, servants or employees, and
                 Lessee agrees to indemnify and hold Lessor harmless from all
                 liability and claims for any such damage.

WAIVER of
SUBROGATION
RIGHTS

                 14.      Anything in this Lease to the contrary
                 notwithstanding, Lessor and Lessee each hereby waives any and
                 all rights of recovery, claim, action or cause of action,
                 against the other, its agents, officers, or employees, for any
                 loss or damage that may occur to the premises hereby demised,
                 or any part, or any improvements thereto, or any personal
                 property of such party therein, by reason of fire, the
                 elements, or any other cause which could be insured against
                 under the terms of standard fire and extended coverage
                 insurance policies referred to in Article V, Paragraph 2
                 hereof, regardless of cause or origin, including negligence of
                 the other party hereto, its agents, officers or employees, and
                 covenants that no insurer shall hold any right of subrogation
                 against such other party.  This waiver of subrogation
                 provision shall be effective to the full extent, but only to
                 the extent, that the same does not impair the effectiveness of
                 insurance policies of Lessor and Lessee.

SUBSTITUTION

                 15.      At any time after the execution of this Lease
                 Agreement, Lessor may substitute for the Leased Premises other
                 premises in the Building (the "New Premises") in





                                       20
<PAGE>   21
                 which event the New Premises shall be deemed to be the Leased
                 Premises for all purposes hereunder provided:

                          (a)     The New Premises shall be similar in area and
                 in appropriateness for Lessee's purposes; and

                          (b)     Any such substitution is effected for the
                 purpose of accommodating a Lessee that will occupy all or a
                 substantial portion for the floor on which the Leased Premises
                 are located; and

                          (c)     If Lessee is occupying the Leased Premises or
                 has borne costs for work which will have to be redone as a
                 result of the relocation at the time for any substitution,
                 Lessor shall pay the expense of moving Tenant, its property
                 and equipment from the Leased Premises and of completing the
                 New Premises with improvements at least equal to those located
                 in the Leased Premises.

                          (d)     Lessor must give Lessee thirty (30) days
                 prior written notice of its intent to substitute the Leased
                 Premises.

NOTICE

                 16.      All notices, demands, consents and approvals which
                 may be or are required to be given by either party to the
                 other hereunder shall be in writing and shall be deemed to
                 have been fully given when deposited in the United States
                 mail, certified or registered, postage prepaid, and addressed
                 to the party to be notified at the address for such party
                 specified in this Lease Agreement, or to such other place as
                 the party to be notified may from time to time designate by at
                 least fifteen (15) days notice to the notifying party.  Lessee
                 hereby appoints as an agent to receive the service of all
                 dispossessory or distraint proceedings and notices thereunder
                 the person in charge of or occupying the Leased Premises at
                 the time, and, if no person shall be in charge of or occupying
                 the same, then such service may be made by attaching the same
                 on the main entrance of the Leased Premises.

NO JOINT
VENTURE

                 17.      This Lease shall not be deemed or construed to create
                 or establish any relationship (other than that of Landlord and
                 Tenant) or partnership or joint venture or similar
                 relationship or agreement between Lessor and Lessee hereunder.





                                       21
<PAGE>   22
                          This Lease shall be binding upon and inure to the
                 benefit of the successors and assigns of the Lessor, and shall
                 be binding upon and inure to the benefit of Lessee, its
                 successors, and, to the extent assignment may be approved by
                 Lessor hereunder, Lessee's assigns.  The pronouns of any
                 gender shall include the other genders, and either the
                 singular or the plural shall include the other.

                          All rights and remedies of Lessor under this Lease
                 shall be cumulative and none shall exclude any other rights or
                 remedies allowed by law; and this lease is declared to be a
                 Texas contract, and all of the terms thereof shall be
                 construed according to the laws of the State of Texas.

                          IN TESTIMONY WHEREOF, the parties hereto have
                 executed this Lease as of the date aforesaid.



                                            LESSOR

                                            Spectrum Building of Texas, L.L.P


                                            By:  /s/ Richard H. LePere      
                                                 ---------------------------
                                            Richard H. LePere
                                            Its: Legal Agent


                                            LESSEE

                                            National Bancshares Corporation

                                            By:  /s/ Anne Renfroe         
                                                 -------------------------
                                            Its: Chief Financial Officer





                                       22

<PAGE>   1

                                                                    EXHIBIT 10.8

                               SUBLEASE AGREEMENT


         This Sublease Agreement (Sublease) is made and entered into as of the
1st day of July, 1996, between Equibond, Inc., a California corporation
(hereinafter called "Sublessor"), and National Bancshares Corporation of Texas,
a Texas corporation (hereinafter called "Sublessee"):

                                   ARTICLE 1.
                                  PRIME LEASE

         1.1     Sublease Subject to Prime Lease.  This Sublease is subject and
subordinate to that certain office lease ("Lease") dated June 8, 1994, and
executed by and between 100 Wilshire Associates (hereinafter called the "Prime
Lessor"), as landlord and Sublessee, as tenant.  Said Lease was assigned to
Sublessor by Sublessee, and consented to by Prime Lessor, by and through an
Assignment, Assumption and Consent, effective July 1, 1996 ("Assignment").  The
Lease, as assigned by the Assignment, is hereinafter called the "Prime Lease".
A copy of the Lease and the Assignment are attached hereto as Exhibit "A" and
made a part hereof for all purposes as if fully set forth herein.

         1.2     Compliance with Prime Lease.  With the exception of the
obligation to pay Base Rental pursuant to Section 8 of the Prime Lease and to
pay Operating Expenses pursuant to Section 9 thereof, Sublessee hereby
covenants and agrees to comply with and perform all obligations of Sublessor
under the Prime Lease which relates to, or are properly allocated to, the
Leased Premises, including, without limitation, all repair obligations, all
insurance obligations, all obligations to pay utility charges and taxes, and
all indemnification obligations of Sublessor thereunder, and any liability
accruing from Sublessee's failure to pay same when due thereunder.  Sublessee
agrees that whenever the consent of Prime Lessor is required under the terms of
the Prime Lease with respect to any action, Sublessee shall obtain the consent
of Sublessor and of Prime Lessor prior to taking such action.  Sublessee hereby
covenants and agrees to promptly deliver to Sublessor copies of any and all
notices or other correspondence received by Sublessee from Prime Lessor that
might affect Sublessor in any manner and further agrees, notwithstanding
Section 9.3 to the contrary, to so deliver same in the manner most appropriate
to insure that Sublessor will be able to respond to any of such notices or
other correspondence from the Prime Lessor within any time periods set forth in
the Prime Lease.

         1.3     Services.  Sublessee hereby acknowledges and agrees that the
only services, amenities and rights to which Sublessee is entitled under this
Sublease are those to which Sublessor is entitled under the Prime Lease
(subject to all the provisions, restrictions and conditions imposed of the
Prime Lease).  Sublessor
<PAGE>   2
to provide any such services, amenities and rights nor shall any such failure
be construed as a breach hereof by Sublessor or an eviction of Sublessee or
entitle Sublessee to an abatement of any of the rentals under this Sublease,
except and only to the extent that Sublessor receives an abatement under the
Prime Lease with respect thereto.

         1.4     Exercise of Rights and Remedies Under Prime Lease.  Sublessee
shall not have the right to exercise any of Sublessor's options or elections
permitted or authorized under the Prime Lease, or to institute any action or
proceeding against Prime Lessor for the enforcement of the Prime Lease.  If
Prime Lessor shall default in the performance of any of its obligations under
the Prime Lease, Sublessor shall, upon the written request of Sublessee and at
Sublessee's sole cost and expense, use its diligent good faith efforts to
enforce the Prime Lease and obtain Prime Lessor's compliance with its
obligations thereunder.

                                   ARTICLE 2.
                             DEMISE AND DESCRIPTION

         2.1     Demise of Leased Premises.  Subject to and upon the terms and
conditions set forth herein, Sublessor hereby subleases to Sublessee, and
Sublessee hereby subleases from Sublessor for the term herein set forth, all of
Sublessor's right, title and interest in and to the use and occupancy of the
premises leased by Sublessor under the Prime Lease, same being approximately
1,429 square feet of rentable area located on floor 17 in the building known as
the 100 Wilshire Building, as shown outlined on Exhibit "A", to the Prime Lease
(herein called the "Leased Premises").

         2.2     Condition of the Leased Premises.  Tenant acknowledges and
agrees that it has inspected the Leased Premises and agrees to accept same in
its present condition, "AS IS" and "WITH ALL FAULTS."

         2.3     DISCLAIMER OF WARRANTIES.  SUBLESSEE ACKNOWLEDGES THAT NEITHER
SUBLESSOR NOR PRIME LESSOR HAS MADE OR WILL MAKE ANY WARRANTIES TO SUBLESSEE
WITH RESPECT TO THE QUALITY OF CONSTRUCTION OF ANY LEASEHOLD IMPROVEMENTS OR
TENANT FINISH WITHIN THE LEASED PREMISES OR AS TO THE CONDITION OF THE LEASED
PREMISES, EITHER EXPRESS OR IMPLIED, AND THAT SUBLESSOR AND PRIME SUBLESSOR
EXPRESSLY DISCLAIM ANY IMPLIED WARRANTY THAT THE LEASED PREMISES ARE OR WILL BE
SUITABLE FOR SUBLESSEE'S INTENDED COMMERCIAL PURPOSES.  EXCEPT AS EXPRESSLY
PROVIDED IN SECTION 1.4 HEREOF, SUBLESSEE'S OBLIGATION TO PAY RENTALS UNDER
THIS SUBLEASE IS NOT DEPENDENT UPON THE CONDITION OF THE LEASED PREMISES OR THE
BUILDING (NOW OR IN THE FUTURE) OR THE PERFORMANCE BY PRIME LESSOR OF ITS
OBLIGATIONS UNDER THE PRIME LEASE, AND SUBLESSEE SHALL CONTINUE TO PAY THE
RENTALS HEREUNDER WITHOUT ABATEMENT, SETOFF OR DEDUCTION NOTWITHSTANDING ANY
BREACH BY SUBLESSOR OF ITS DUTIES OR





                                       2
<PAGE>   3
OBLIGATIONS HEREUNDER OR BY PRIME LESSOR OF ITS DUTIES OR OBLIGATIONS UNDER THE
PRIME LEASE, WHETHER EXPRESS OR IMPLIED.

                                   ARTICLE 3.
                         TERM; SURRENDER OF POSSESSION

         3.1     Term.  Unless the Prime Lease is terminated sooner pursuant to
the terms thereof, the term of this Sublease ("Term") shall be for the period
commencing on July 1, 1996 and ending on December 31, 1999.

         3.2     Surrender of Leased Premises.  At the termination of this
Sublease, by lapse of time or otherwise, Sublessee shall deliver up the Leased
Premises to Sublessor in as good condition as existed on the date of possession
by Sublessee, ordinary wear and tear and casualty damage excepted.  Upon such
termination of this Sublease, Sublessor shall have the right to re-enter and
resume possession of the Leased Premises.

         3.3     Holding Over.  In the event of holding over by Sublessee after
expiration or termination of this Sublease without the prior written consent of
Sublessor, Sublessee shall pay as liquidated damages the greater of (i) double
the amount of all base rental and additional rental which was payable by
Sublessee immediately prior to such expiration or termination, and (ii) the
then current market rental for the Leased Premises, pro rated on a daily basis
for the entire holdover period.

                                   ARTICLE 4.
                                      RENT

         4.1     Base Rental.  Sublessee hereby agrees to pay an annual base
rental of Twenty-Nine and 40/100 Dollars ($29.40) per square foot of net
rentable area within the Leased Premises.  Sublessee shall pay such base rental
to Sublessor monthly without demand, for each and every month during the Term,
in installments of Three Thousand Five Hundred and No/100 Dollars ($3,500.00).

         4.2     Additional Rental.  Sublessee shall also pay to Sublessor
monthly as additional rental the pro rata amount, if any, of the operating
expenses charged to Sublessor pursuant to Section 9 of the Prime Lease for any
month during the Term which are properly allocated to the Leased Premises.  In
addition, Sublessee's rent shall be reduced to the extent the Sublessor's rent
is reduced or abated under the terms of the Primary Lease, on a pro rata basis
using the square footage used by the Sublessee compared to the total square
footage under the Prime Lease.

         4.3     Payment of Rentals.  Each monthly installment of base rental
and additional rental due to Sublessor under this Sublease shall be payable by
Sublessee on the first day of each calendar month at Sublessor's address herein
set forth or at such other





                                       3
<PAGE>   4
place as Sublessor shall designate in writing from time to time.  If less than
all of any calendar month or year occurs during the Term, rents for such
partial month or year shall be prorated based on the actual number of days
during such month or year occurring within the Term.

                                   ARTICLE 5.
                                QUIET ENJOYMENT

         5.1     Covenant of Quiet Enjoyment.  Provided Sublessee has performed
all of the terms, covenants, agreements and conditions of this Sublease,
including the payment of rental and all other sums due hereunder, Sublessee
shall peaceably and quietly hold and enjoy the Leased Premises against
Sublessor and all persons claiming by, through or under Sublessor, for the term
herein described, subject to the provisions and conditions of this Sublease and
of the Prime Lease.

         5.2     Limitation.  It is understood and agreed that the provision of
Section 5.1 and any and all other covenants of Sublessor contained in this
Sublease shall be binding upon Sublessor and its successors only with respect
to breaches occurring during its and their respective ownership of the
Sublessor's interest hereunder.  This Sublease is subject to and subordinate to
all matters of public record in Los Angeles, California.

                                   ARTICLE 6.
                           ASSIGNMENT AND SUBLETTING

         6.1     Restriction.  Sublessee shall not, without the prior written
consent of Sublessor, which may not be unreasonably withheld, assign, transfer,
mortgage, pledge, hypothecate or encumber this Sublease or any interest herein
or sublet the Leased Premises or any part thereof, or permit the use of the
Leased Premises by any party other than Sublessee.  Any such assignment or
subletting without such consent by Sublessor shall be void.  Any such consent
by Sublessor to any such assignment or subletting shall not release Sublessee
from any of Sublessee's obligations hereunder or be deemed to be a consent to
any subsequent assignment, subletting, occupation or use by another person.

         6.2     Consent Subject to Prime Lessor Approval.  Sublessor's consent
to any proposed assignment or subletting may be given subject to the further
consent of Prime Lessor.

                                   ARTICLE 7.
                        INDEMNIFICATION AND EXCULPATION

         7.1     Indemnity.  Sublessee shall indemnify Sublessor for and hold
Sublessor harmless from and against all costs, expenses (including reasonable
attorneys' fees), fines, suits, claims,





                                       4
<PAGE>   5
demands, liabilities and actions resulting from any breach, violation or
nonperformance of any covenant or condition hereof or from the use or occupancy
of the Leased Premises by Sublessee or Sublessee's employees, agents,
contractors, licensees and invitees, including any such costs, expenses, fines,
suits, claims, demands, liabilities and actions which are attributable in whole
or in part to the negligence of Sublessor, its employees, agents, contractors,
licensees or invitees.

         7.2     Exculpation.  Sublessor shall not be liable to Sublessee or
Sublessee's employees, agents, contractors, licensees or invitees for any
damage to person or property resulting from any act or omission of any visitor
to the Leased Premises except as Sublessor's own negligence may contribute
thereto.

                                   ARTICLE 8.
                             DEFAULTS AND REMEDIES

         8.1     Default by Sublessee; Remedies of Sublessor.  In case of any
breach hereof by Sublessee, in addition to all other rights of Sublessor
hereunder or available to Sublessor at law or equity, Sublessor shall have all
the rights against Sublessee as would be available to the Prime Lessor against
Sublessor under the Prime Lease if such breach were by Sublessor thereunder.
If Sublessee defaults in the performance of any of the terms and provisions
hereof and Sublessor places the enforcement of this Sublease in the hands of an
attorney, Sublessee agrees to reimburse Sublessor for all reasonable expenses
incurred by Sublessor as a result thereof including, but not limited to,
reasonable attorneys' fees.

                                   ARTICLE 9.
                                 MISCELLANEOUS

         9.1     Amendment.  No amendment, modification or alteration of the
terms hereof shall be binding unless the same shall be in writing, dated
subsequent to the date hereof and duly executed by the parties hereto.

         9.2     Headings; Interpretation.  Descriptive headings are for
convenience only and shall not control or affect the meaning or construction of
any provision of this Sublease.  Whenever the context of this Sublease
requires, words used in the singular shall be construed to include the plural
and vice versa and pronouns of whatsoever gender shall be deemed to include and
designate the masculine, feminine or neuter gender.

         9.3     Notices.  Subject to Article 1.2 hereof, all notices,
consents, requests, instructions, approvals and other communications provided
for herein and all legal process in regard hereto shall be validly given, made
or served, if in writing and delivered personally or sent by United States
certified or registered mail, postage prepaid, return receipt requested, if to:





                                       5
<PAGE>   6

                 Sublessor:            Equibond, Inc.
                                       100 Wilshire Boulevard, Suite 1700
                                       Santa Monica, California  90401
                                       Attention: Jay H. Lustig


                 Sublessee:            National Bancshares Corporation of Texas
                                       P.O. Box 1511
                                       Laredo, Texas  78042
                                       Attention: Mr. Marvin E. Melson


or to such other addresses as any party hereto may, from time to time,
designate in writing delivered in a like manner.

         9.4     Successors and Assigns.  This Sublease shall be binding upon
and inure to the benefit of the parties hereto and their respective successors
and assigns in accordance with the terms of this Sublease.

         9.5     Time of the Essence.  Time is of the essence in the
performance by Sublessee of its obligations hereunder.

         9.6     Remedies Cumulative; Applicable Law.  All rights and remedies
of Sublessor under this Sublease shall be cumulative and none shall exclude any
other rights or remedies allowed by law; and this Sublease is declared to be a
Texas contract, and all of the terms thereof shall be construed according to
the laws of the State of Texas.

         9.7     Entire Agreement.  The terms and provisions of all schedules
and exhibits described herein and attached hereto are hereby made a part hereof
for all purposes.  This Sublease constitutes the entire agreement of the
parties with respect to the subject matter hereof, and all prior
correspondence, memoranda, agreements or understandings (written or oral) with
respect hereto are merged into and superseded by this Sublease.

         9.8     Authority.  Sublessee warrants, represents and covenants that
(a) it is a duly organized and existing legal entity under the laws of the
state in which it is organized, and in good standing in the State of Texas, (b)
it has full right and authority to execute, deliver and perform this Sublease,
(c) the person executing this Sublease on behalf of Sublessee was authorized to
do so, and (d) upon request of Sublessor, Sublessee will deliver to Sublessor
satisfactory evidence of the due authorization, execution and delivery of this
Sublease by Sublessee.

         9.9     Severability.  If any term or provision of this Sublease, or
the application thereof to any person or circumstance, shall to





                                       6
<PAGE>   7
any extent be invalid or unenforceable, the remainder of this Sublease, or the
application of such provision to persons or circumstances other than those as
to which it is invalid or unenforceable, shall not be affected thereby, and
each provision of this Sublease shall be valid and shall be enforceable to the
extent permitted by law.

         9.10    No Recording.  This Sublease (including any exhibits hereto)
shall not be recorded without the prior written consent of Sublessor.

         9.11    Parking.  Sublessee shall be entitled to utilize the parking
privileges provided to Sublessor pursuant to Section 5 of the Prime Lease, for
which Sublessee shall reimburse Sublessor monthly, together with the payment of
rentals pursuant to Section 4.3 above, the amount which sublessor is billed
therefor pursuant to the Prime Lease.

         9.12    Prime Lessor's Consent Required.  Sublessee acknowledges that,
pursuant to the provisions of the Prime Lease, Sublessor is required to obtain
Prime Lessor's written consent to this Sublease, and accordingly, that the
obligations of Sublessor hereunder are expressly subject to Sublessor obtaining
such consent.

         9.13    Common Areas.  Sublessee shall have the non-exclusive right,
in common with others, to use the common areas in and adjacent to the Leased
Premises pursuant to Section 2 of the Prime Lease.

         9.14    Cancellation of Agreement.  The agreement entered into as of
March 1, 1995, between National Bancshares Corporation of Texas and Equibond,
Inc. is hereby cancelled as of the date of this Sublease Agreement.

         9.15    Security Rent Deposit.  Sublessor acknowledges that a
six-month security rent deposit ("Deposit") in the amount of Twenty-One
Thousand and No/100 Dollars ($21,000.00) has been paid by Sublessee to
Sublessor and shall be placed by Sublessor in an interest-bearing account as
security for the payment of rent by Sublessee.  Said Deposit, plus all interest
accrued, shall be promptly returned to Sublessee upon the expiration of  this
Sublease provided Sublessee has paid all rent due hereunder.





                                       7
<PAGE>   8
         IN WITNESS WHEREOF, the undersigned Sublessor and Sublessee have
executed this Sublease effective as of the date and year first written above.

                                              SUBLESSOR:

                                              EQUIBOND, INC.


                                              By:     /s/ Jay H. Lustig
                                              Name:   Jay H. Lustig
                                              Title:  President


                                              SUBLESSEE:

                                              NATIONAL BANCSHARES CORPORATION
                                              OF TEXAS


                                              By:     /s/ Marvin E. Melson
                                              Name:   Marvin E. Melson
                                              Title:  President



CONSENTED AND AGREED
this ____ day of ____________, 1996:

PRIME LESSOR

100 WILSHIRE ASSOCIATES


By:_______________________________
Name:_____________________________
Title:____________________________





                                       8

<PAGE>   1


                                                                    Exhibit 11.1

           NATIONAL BANCSHARES CORPORATION OF TEXAS AND SUBSIDIARIES
                       COMPUTATION OF EARNINGS PER SHARE
                    (In thousands, except per share amounts)



<TABLE>

<CAPTION>
                                                                                       DECEMBER 31,
                                                                         ----------------------------------------
                                                                           1996            1995            1994
                                                                         --------        --------        --------
<S>                                                                      <C>             <C>             <C>     
NET INCOME PER COMMON SHAREHOLDER:
 Income before extraordinary credit                                      $  5,710        $  5,905        $  4,976
 Extraordinary credit, net of tax                                              --             219              --
                                                                         --------        --------        --------

 Primary earnings applicable to common shareholders                      $  5,710        $  6,124        $  4,976
                                                                         ========        ========        ========
COMMON SHARES USED IN PRIMARY PER SHARE CALCULATION:
 Weighted average number of common shares outstanding                       4,640           4,443           3,590
 Addition from assumed exercise of stock options                               57              40             108
 Addition from assumed exercise of Series A Convertible

  Preferred Stock                                                              --             174             290
 Addition from assumed conversion of  Series B Convertible
  Preferred Stock                                                              18             128              --
                                                                         --------        --------        --------
Weighted average number of common and common-equivalent

  shares outstanding                                                        4,715           4,785           3,988
                                                                         ========        ========        ========
PRIMARY EARNINGS PER COMMON SHARE:
 Income before extraordinary credit                                      $   1.21        $   1.23        $   1.25

 Extraordinary credit                                                          --             .05              --
                                                                         --------        --------        --------
  Earnings per share                                                     $   1.21        $   1.28        $   1.25
                                                                         ========        ========        ========
</TABLE>



Note:  Fully diluted earnings per share are not presented as dilution is less
than 3%.






<PAGE>   1



                                                                   Exhibit 21.1

            SUBSIDIARIES OF NATIONAL BANCSHARES CORPORATION OF TEXAS


NBT of Delaware, Inc., incorporated in Delaware

Subsidiaries of NBT of Delaware, Inc.:

NBC Bank, N.A. (Eagle Pass), incorporated in Texas 
NBC Bank - Laredo, N.A., incorporated in Texas 
NBC Bank - Rockdale, incorporated in Texas 
The First National Bank in Luling, incorporated in Texas 
NBC Holdings - Texas, Inc., incorporated in Texas





                                       57

<TABLE> <S> <C>

<ARTICLE> 9
<MULTIPLIER> 1,000
       
<S>                             <C>
<PERIOD-TYPE>                   YEAR
<FISCAL-YEAR-END>                          DEC-31-1996
<PERIOD-END>                               DEC-31-1996
<CASH>                                          17,305
<INT-BEARING-DEPOSITS>                             529
<FED-FUNDS-SOLD>                                22,650
<TRADING-ASSETS>                                     0
<INVESTMENTS-HELD-FOR-SALE>                     88,193
<INVESTMENTS-CARRYING>                          72,649
<INVESTMENTS-MARKET>                            73,362
<LOANS>                                        113,258
<ALLOWANCE>                                      2,408
<TOTAL-ASSETS>                                 327,918
<DEPOSITS>                                     279,755
<SHORT-TERM>                                     3,639
<LIABILITIES-OTHER>                              1,259
<LONG-TERM>                                        356
                                0
                                          0
<COMMON>                                             5
<OTHER-SE>                                      42,904
<TOTAL-LIABILITIES-AND-EQUITY>                 327,918
<INTEREST-LOAN>                                 10,623
<INTEREST-INVEST>                                9,145
<INTEREST-OTHER>                                 1,052
<INTEREST-TOTAL>                                20,820
<INTEREST-DEPOSIT>                               8,039
<INTEREST-EXPENSE>                                  73
<INTEREST-INCOME-NET>                           12,708
<LOAN-LOSSES>                                      (5)
<SECURITIES-GAINS>                                 (6)
<EXPENSE-OTHER>                                  9,586
<INCOME-PRETAX>                                  5,916
<INCOME-PRE-EXTRAORDINARY>                       5,916
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                     5,710
<EPS-PRIMARY>                                     1.21
<EPS-DILUTED>                                     1.21
<YIELD-ACTUAL>                                    7.86
<LOANS-NON>                                      1,195
<LOANS-PAST>                                       182
<LOANS-TROUBLED>                                    90
<LOANS-PROBLEM>                                  4,947
<ALLOWANCE-OPEN>                                 1,476
<CHARGE-OFFS>                                      251
<RECOVERIES>                                       291
<ALLOWANCE-CLOSE>                                2,408
<ALLOWANCE-DOMESTIC>                             2,408
<ALLOWANCE-FOREIGN>                                  0
<ALLOWANCE-UNALLOCATED>                          1,478
        

</TABLE>


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