MID PENINSULA BANCORP
10-Q, 1996-08-07
NATIONAL COMMERCIAL BANKS
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<PAGE>

                       SECURITIES AND EXCHANGE COMMISSION

                             WASHINGTON, D.C. 20549

                                    FORM 10-Q


   X       Quarterly report pursuant to Section 13 or 15 (d) of the Securities 
- ---------  Exchange Act of 1934

For the Quarterly period ended         June 30,  1996         or
                               ------------------------------

- ---------  Transition report pursuant to Section 13 or 15(d) of the Securities 
           Exchange Act of 1934 

For the transition period from              to 
                               ------------    ------------

Commission file number                0-25034
                       ------------------------------------

                           MID-PENINSULA BANCORP                    
         ----------------------------------------------------
         Exact name of registrant as specified in its charter


            California                              77-0387041 
- --------------------------------       ----------------------------------
(State or other jurisdiction of        (I.R.S. Employer Identification No.)
incorporation or organization)


    420 Cowper Street, Palo Alto, CA                          94301
 ---------------------------------------                   ----------
 (Address of principal executive offices)                  (Zip Code)

Registrant's telephone number, including area code:  (415) 323-5150 
                                                    -----------------

                                   None
- --------------------------------------------------------------------------------
Former name, former address and former fiscal year, if changed since last report


Indicate by check mark whether the registrant (1) has filed all reports 
required to be filed by Section 13 or 15 (d) of the Securities Exchange Act 
of 1934 during the preceding 12 months (or for such shorter period that the 
registrant was required to file such reports), and (2) has been subject to 
such filing requirements for the past 90 days.

                        Yes   X      No 
                            -----       -----

Indicate the number of shares outstanding of each of the registrant's classes 
of common stock as of the latest practicable date.

        Class                      Shares Outstanding at July 30, 1996
    ------------                   -----------------------------------
    Common Stock                              1,635,843

The Index to Exhibits is located at page 22.

                                              Page 1 of 69 Pages

<PAGE>

PART I - FINANCIAL INFORMATION

ITEM 1 - FINANCIAL STATEMENTS

                            MID-PENINSULA BANCORP AND SUBSIDIARY

                            Consolidated Condensed Balance Sheets
                                    (Dollars in thousands)

<TABLE>
<CAPTION>
Assets:                                June 30, 1996          December 31, 1995
- ------                                 -------------          -----------------
                                        (unaudited)              (audited)
<S>                                    <C>                    <C>
Cash and due from banks                 $ 12,024                    $ 13,304
Federal funds sold                        36,400                      15,700
Investment Securities:
   Available-for-sale, at fair value      47,855                      58,533
   Held-to-maturity, at amortized cost     2,397                         857
     (fair value of $2,412,000 & 
     $838,000 in 1996 and 1995 
     respectively)
Federal reserve bank stock                   430                         430
Loans:
   Commercial                            107,107                      92,971
   Real estate - construction             15,117                       8,783
   Real estate - other                    26,197                      24,296
   Less deferred loan fees                  (454)                       (448)
                                        --------                    --------
   Total loans                           147,967                     125,602
   Less allowance for possible 
     loan losses                          (1,933)                     (1,716)
                                        --------                    --------
Net loans                                146,034                     123,886
Premises and equipment, net                1,026                         995
Accrued interest and other assets          5,246                       5,030
                                        --------                    --------
Total Assets                            $251,412                    $218,735
                                        --------                    --------
                                        --------                    --------
Liabilities and Shareholders' Equity
- ------------------------------------
Deposits:
   Demand, noninterest-bearing          $ 41,764                    $ 37,077
   Demand, interest-bearing               10,214                      11,926
   Savings and money market              117,090                     102,124
   Time certificates, $100,000 and over   49,079                      36,682
   Other time certificates                 8,987                       7,886
                                        --------                    --------
Total deposits                           227,134                     195,695
Accrued interest and other liabilities     1,480                       1,600
                                        --------                    --------
Total liabilities                        228,614                     197,295

Shareholders' equity:
   Common stock, no par value - 
     6,000,000 shares authorized;
     1,628,343 and 1,571,757 shares
     issued and outstanding in 1996 
     & 1995, respectively                 15,966                      15,425
   Unrealized loss on securities 
     available-for-sale, net                (897)                       (626)
   Retained earnings                       7,729                       6,641
                                        --------                    --------
Total Shareholders' equity                22,798                      21,440
                                        --------                    --------
Total Liabilities and Shareholders' 
 equity                                 $251,412                    $218,735
                                        --------                    --------
                                        --------                    --------
</TABLE>
                                              Page 2 of 69 Pages
<PAGE>

                            MID-PENINSULA BANCORP AND SUBSIDIARY

                         Consolidated Condensed Statements of Income
                                         (unaudited)
                      (in thousands, except share and per share amounts)

<TABLE>
<CAPTION>
                                               Three Months Ended                 Six Months Ended  
                                             June 30        June 30            June 30       June 30
                                              1996           1995               1996          1995 
                                           ----------      ----------       ----------      ----------
<S>                                       <C>             <C>              <C>              <C>

Interest income:

   Loans (including fees)                  $    3,622      $    3,081       $    7,041      $    5,981
   Investment securities                          630             813            1,382           1,359
   Federal funds sold                             424             351              709             799
                                           ----------      ----------       ----------      ----------
Total interest income                           4,676           4,245            9,132           8,139

Interest expense:
   Demand, interest-bearing                        54              56              106             108
   Savings and money market                     1,048           1,023            2,075           1,999
   Time certificates, $100,000 and over           540             460            1,013             819
   Other time certificates                        114              92              226             178
                                           ----------      ----------       ----------      ----------
Total interest expense                          1,756           1,631            3,420           3,104
                                           ----------      ----------       ----------      ----------
Net interest income                             2,920           2,614            5,712           5,035
Provision for possible loan losses                100              80              220             155
                                           ----------      ----------       ----------      ----------

Net interest income after provision for
 possible loan losses                           2,820           2,534            5,492           4,880
Noninterest income                                 97             147              279             242
Noninterest expenses:
  Salaries and employee benefits                  978             854            1,932           1,681
  Occupancy and equipment                         288             241              572             467
  Other                                           307             456              608             826
                                           ----------      ----------       ----------      ----------
Total noninterest expense                       1,573           1,551            3,112           2,974
                                           ----------      ----------       ----------      ----------

Income before income taxes                      1,344           1,130            2,659            2,148
Income taxes                                      550             453            1,088              847
                                           ----------      ----------       ----------      ----------
Net income                                 $      794      $      677       $    1,571       $    1,301
                                           ----------      ----------       ----------      ----------
                                           ----------      ----------       ----------      ----------
Weighted average common share
  Equivalents outstanding                   1,620,865       1,540,762        1,629,992        1,537,216
Earnings per weighted average share             $0.49           $0.44            $0.96            $0.85
                                           ----------      ----------       ----------      ----------
                                           ----------      ----------       ----------      ----------
</TABLE>

                                              Page 3 of 69 Pages

<PAGE>
<TABLE>
<CAPTION>


                            MID-PENINSULA BANCORP AND SUBSIDIARY

                       Consolidated Condensed Statements of Cash Flows
                                       (unaudited)
                                     (in thousands)

                                                                 Six  Months Ended
                                                            June 30             June 30
                                                             1996                1995
                                                           -------             -------
<S>                                                        <C>                 <C>
Cash flows from operating activities:
   Net income                                              $ 1,571             $ 1,301
   Adjustments to reconcile net income to net cash
   provided by operating activities -
   Loss (gain) on sale of securities                            97                  (3)
   Provision for possible loan losses                          220                 155
   Depreciation and amortization                               160                 142
   Increase in interest receivable                              93                (114)
   Increase in other assets                                   (293)               (205)
   Increase(decrease) in deferred tax benefit                   58                 140
   Increase(decrease) in deferred loan fees                      6                (108)
   Decrease in other liabilities                              (120)               (235)
   Amortization of Premium - Securities                        (88)                (78)
                                                           -------             -------
Net cash provided from operating activities                  1,704                 995
                                                           -------             -------
Cash flows from investing activities:
   Net increase in loans                                   (22,368)             (5,897)
   Purchases of available-for-sale securities              (11,414)              1,447
   Purchases of held-to-maturity securities                 (1,540)            (25,482) 
   Principal payments on available-for-sale securities          25                  26
   Sales of available-for-sale securities                    5,490                   -
   Maturities/calls of available-for-sale securities        16,045                   -
   Maturities/calls of held-to-maturity securities               -               1,000
   Additional investment in other real estate owned              -                (476)
   Purchase of life insurance policy                          (297)             (2,235)
   Capital expenditures, net                                  (191)                (97)
                                                           -------             -------
Net cash used by investing activities                      (14,250)            (31,714)
                                                           -------             -------
Cash Flows from financing activities:
   Net increase in deposits                                 31,526              20,814
   Dividends paid                                             (640)               (306)
   Stock options exercised                                   1,080                  21
                                                           -------             -------
Net cash provided by (used) by financing activities         31,966              20,529
                                                           -------             -------
Net increase in cash and equivalents                        19,420             (10,190)
Cash and cash equivalents at beginning of period            29,004              35,196
                                                           -------             -------

Cash and cash equivalents at end of period                 $48,424             $25,006
                                                           -------             -------
                                                           -------             -------
Supplemental disclosures:
Income taxes paid                                          $   760             $ 1,135

Interest paid                                              $ 3,420             $ 3,130
</TABLE>
                                              Page 4 of 69 Pages

<PAGE>


                          MID-PENINSULA BANCORP AND SUBSIDIARY

                  Notes to Consolidated Condensed Financial Statements
                                       June 30, 1996
                                        (unaudited)

Note 1    DESCRIPTION OF BUSINESS

          Mid-Peninsula Bancorp is a California corporation organized in 1984 
          under the name San Mateo County Bancorp ("San Mateo") to act as the 
          bank holding company of San Mateo County National Bank which 
          subsequently changed its name to WestCal National Bank ("WestCal") 
          in 1991. In 1994, WestCal was merged with and into Mid-Peninsula 
          Bank, a California state licensed bank organized in 1987 (the 
          "Bank") in a transaction in which the Bank survived and became the 
          wholly-owned subsidiary of San Mateo, and San Mateo concurrently 
          changed its name to Mid-Peninsula Bancorp (the "Company").

          The headquarters of the Company and the Bank is located in Palo 
          Alto, California and the Bank conducts its banking business through 
          its offices in Palo Alto, San Mateo and San Carlos, California.  
          Other than holding the shares of the Bank, the Company conducts no 
          significant activities, although it is authorized, with the prior 
          approval of the Board of Governors of the Federal Reserve System 
          (the "Board of Governors"), the Company's principal regulator, to 
          engage in a variety of activities which are deemed closely related 
          to the business of banking.

          The Bank engages in general commercial banking emphasizing small 
          and medium-sized businesses, and professionals located in its 
          market area in and adjacent to the San Francisco Peninsula from Los 
          Altos and Mountain View on the South to Daly City on the North and 
          offers a full range of commercial banking services, including the 
          acceptance of demand, savings and time deposits, and the making of 
          commercial loans, including short-term loans for businesses and 
          professionals, personal loans, and real estate secured loans, which 
          generally do not include long-term mortgage loans. The Bank offers 
          traveler's checks, safe deposit boxes, notary public, customer 
          courier and other customary bank services. The Bank is a member of 
          the STAR System ATM network and, through this system, offers ATM 
          access at numerous locations.

Note 2    BASIS OF PRESENTATION

          In the opinion of the Company, the unaudited condensed consolidated 
          financial statements, prepared on the accrual basis of accounting, 
          contain all adjustments (consisting of only normal recurring 
          adjustments) which are necessary to present fairly the financial 
          position of the Company and subsidiary at June 30, 1996 and 
          December 31, 1995, and the results of its operations for the 
          quarter and year-to-date periods  ended June 30, 1996 and 1995.


                                              Page 5 of 69 Pages

<PAGE>

          Certain information and footnote disclosures normally presented in 
          financial statements prepared in accordance with generally accepted 
          accounting principles have been omitted. The results of operations 
          for the quarter and year-to-date periods ended June 30, 1996 are 
          not necessarily indicative of the operating results for the full 
          year ending December 31, 1996.


Note 3    CONSOLIDATION

          The accompanying consolidated condensed financial statements 
          include the accounts of the Company and its wholly owned 
          subsidiary, Mid-Peninsula Bank. All material intercompany accounts 
          and transactions have been eliminated in consolidation.

Note 4    PER SHARE DATA

          Earnings per common share are calculated by dividing net income by 
          the weighted average shares of common stock outstanding during the 
          year plus the effect, when dilutive, of stock options. The weighted 
          average shares outstanding for the quarters ended June 30, 1996 and 
          1995 were 1,620,865 and 1,524,806 respectively.


Note 5    RECLASSIFICATIONS

          Certain amounts in the accompanying 1995 consolidated condensed 
          financial statements have been reclassified to conform with the 
          1996 consolidated condensed financial statements presentation.


Note 6    CASH DIVIDEND

          The company paid a quarterly cash dividend of $0.15 per share on 
          July 12, 1996 to shareholders of record on June 28, 1996.

                                              Page 6 of 69 Pages

<PAGE>


ITEM 2 - Management's Discussion and Analysis of Financial Condition and 
Results of Operations

                    MID-PENINSULA BANCORP AND SUBSIDIARY

OVERVIEW OF CHANGES IN THE FINANCIAL STATEMENTS

Total assets were $251,412,000 at June 30, 1996, an increase of $32,677,000 
or 15% over total assets of $218,735,000 at December 31, 1995.  From December 
31, 1995 to June 30, 1996, total loans increased $22,365,000 (18%), 
held-to-maturity securities increased $1,540,000 (180%), available-for-sale 
securities decreased $10,678,000 (18%), federal funds sold increased 
$20,700,000 (132%), while cash, premises and other assets had a net decrease 
of $1,033,000 (5%).  The substantial decrease in investment securities was 
due in part to the increase in total loans and the increase of federal funds 
sold.  The increase in asset size was funded primarily from a $31,439,000 
(16%) increase in deposits, a $1,358,000 (6%) increase in shareholders' 
equity, offset by a $120,000 (8%) decrease in other liabilities. The Bank's 
loan to deposit ratio increased from 64.18% at December 31, 1995 to 65.15% at 
June 30, 1996.

LOANS

Total outstanding commercial loans were $107,107,000 at June 30, 1996 
compared to $92,971,000 at December 31, 1995, an increase of $14,136,000 
(15%).  Real estate construction loans increased $6,334,000 (72%) to 
$15,117,000 at June 30, 1996 compared to $8,783,000 at December 31, 1995, 
while other real estate loans increased $1,901,000 (8%) to $26,197,000 at 
June 30, 1996 compared to $24,296,000 at December 31, 1995. The Company lends 
primarily to small and medium-sized businesses within its market area which 
is the San Francisco Peninsula limited by Mountain View to the south and Daly 
City to the north. The majority of the Company's loan portfolio consists of 
unsecured loans and real estate loans to small to medium sized businesses.

The Company follows the policy of discontinuing the accrual of interest 
income and reversing any accrued and unpaid interest when the payment of 
principal or interest is 90 days past due, unless the loan is both 
well-secured and in the process of collection.

Management generally places loans on nonaccrual status when they become 90 
days past due, unless the loan is well secured and in the process of 
collection.  Loans are charged off when, in the opinion of management, 
collection appears unlikely.  At June 30, 1996, the Company had no 
non-accrual loans, the same as at December 31, 1995.  The Company had no 
loans that were 90 or more days past due at the close of either period.  The 
ratio of non-performing loans to total loans was 0.00% at June 30, 1996, the 
same as at  December 31, 1995.  The Company had no troubled debt or 
restructured loans, potential problem loans or loan concentrations at June 
30, 1996 and December 31, 1995.

Inherent in the lending function is the fact that loan losses will be 
experienced and that the risk of loss will vary with the type of loan 
extended and the creditworthiness of the borrower.  To reflect the estimated 
risks of loss associated with its loan portfolio, additions were made to the 
Company's allowance for possible loan losses.  As an integral part of this 
process, the allowance for possible loan losses is subject to review and 
possible adjustment as a result of regulatory examinations conducted by 
governmental agencies and through management assessments of risk. The 
Company's 

                                              Page 7 of 69 Pages

<PAGE>

entire allowance is a valuation allocation; that is, it has been created by 
direct charges against operations through the provision for possible loan 
losses, modified by loan charge-offs and loan recoveries.

The provision for possible loan losses charged against operations is based 
upon the actual net loan losses incurred plus an amount for other factors, 
which in management's judgment deserve recognition in estimating possible 
loan losses.  The Company evaluates the adequacy of its allowance for 
possible loan losses on an ongoing basis.  Periodically, the Company has 
contracted with outsiders to perform an independent loan review.  Both 
internal and external evaluations take into account the following: specific 
loan conditions as determined by management, the historical relationship 
between charge-offs and the level of the allowance, the estimated future loss 
in all significant loans, known deterioration in concentrations of credit, 
certain classes of loans or pledged collateral, historical loss experience 
based on volume and types of loans, the results of any independent review or 
evaluation of the loan portfolio quality conducted by or at the direction of 
Company management or by the bank regulatory agencies, trends in 
delinquencies and non-accruals, lending policies and procedures including 
those for charge-off, collection and recovery, national and local economic 
conditions and their effect on specific local industries, and the experience, 
ability and depth of lending management and staff.  These factors are 
essentially judgmental and may not be reduced to a mathematical formula.

The ratio of the allowance for possible loan losses to total loans was 1.31% 
at June 30, 1996 compared to 1.37% at December 31, 1995. The Company provided 
an additional $220,000 during the first half of 1996 as an additional hedge 
against possible loan losses in a larger loan portfolio.  There were $3,000 
in charge-offs during the period.  The Company evaluates the allowance for 
possible loan losses based upon an analysis of specific categories of loans.  
The adequacy of the allowance is determinable only on an approximate basis 
since estimates as to the magnitude and timing of loan losses are not 
predictable because of the impact of external events. Management then 
considers the adequacy of the allowance for possible loan losses in relation 
to the total loan portfolio.  Management believes that the allowance for 
credit losses at June 30, 1996 is adequate, based on information currently 
available.  However, no prediction of the ultimate level of loan charge-offs 
in future periods can be made with any certainty.

LIQUIDITY MANAGEMENT

Liquidity represents the ability of the Company to meet the requirements of 
customer borrowing needs as well as fluctuations in deposit flows.  Core 
deposits, which include demand, interest-bearing demand, savings, money 
market, and time certificates of deposit under $100,000, provide a relatively 
stable funding base.  Core deposits represented 78% of total deposits at June 
30, 1996 compared to 81% of total deposits at year-end 1995.  The Company's 
principal sources of asset liquidity are cash and due from banks, federal 
funds sold, and unpledged available-for-sale investment securities.  At June 
30, 1996, these sources totaled $90,279,000 or 39.75% of total deposits 
compared to $80,032,000 or 40.90% at year-end 1995.  In the opinion of 
management, there are sufficient resources to meet the liquidity needs of the 
Company at present and foreseeable future levels.

                                              Page 8 of 69 Pages

<PAGE>

INTEREST RATE SENSITIVITY

The Company defines interest rate sensitivity as the measure of the 
relationship between market interest rates and net interest income due to 
repricing characteristics of assets, liabilities and off-balance sheet 
instruments.  Generally, if assets and liabilities do not reprice at the same 
time and in equal volumes, the potential for exposure to interest rate 
fluctuations exists.  In order to maximize the net yield on earning assets 
and maintain the interest rate spread during periods of fluctuating interest 
rates, management monitors the repricing period of interest earning assets as 
compared with interest bearing liabilities.  The difference between the 
amount of assets and liabilities that reprice in any given time period is 
referred to as the interest rate sensitivity gap.  While the Company attempts 
to manage its exposure to interest rate sensitivity, due to its size and 
direct competition from the major banks, it must offer products which are 
competitive in the market place, even if they are less than optimum with 
respect to the Bank's interest rate exposure.

The following table sets forth the distribution of repricing opportunities of 
the Bank's earning assets and interest bearing liabilities as of June 30, 
1996, the interest rate sensitivity gap (i.e., interest rate sensitive assets 
less interest rate sensitive liabilities), the cumulative interest rate gap, 
the interest rate gap (i.e., interest rate sensitive assets divided by 
interest rate sensitive liabilities) and the cumulative interest rate gap 
ratio.  The table sets forth the time periods during which earning assets and 
interest-bearing liabilities will mature or may reprice in accordance with 
their contractual terms. However, the table does not necessarily indicate the 
impact of general interest rate movement on the net interest margin since the 
repricing of various categories of assets and liabilities indicated as 
repricing within the same period may in fact reprice at different times 
within such periods and at different rates.

REPRICING PERIODS

<TABLE>
<CAPTION>
                                      ONE        2-180     181-365      > 1 YEAR       OVER       NON-RATE
(Dollars in thousands)                DAY        DAYS       DAYS       TO 5 YEARS     5 YEARS     SENSITIVE      TOTAL
- -----------------------------------------------------------------------------------------------------------------------
<S>                                <C>           <C>       <C>         <C>            <C>         <C>            <C>
RATE SENSITIVE ASSETS:
FEDERAL FUNDS SOLD                 $ 36,400          -          -             -             -                    36,400
AVAILABLE-FOR-SALE INV.              12,118      2,043      5,837         19,213        8,644            -       47,855
HELD-TO-MATURITY INV.                     -          -        853            541        1,003            -        2,397
OTHER INVESTMENTS                         -          -          -              -          430            -          430
LOANS                               130,092      6,310      2,731          8,137          184          967      148,421
LOAN LOSS/UNEARNED FEES                   -          -          -              -            -       (2,387)      (2,387)
CASH AND DUE FROM BANKS                   -          -          -              -            -       12,024       12,024
OTHER ASSETS                              -          -          -              -            -        6,272        6,272
- -----------------------------------------------------------------------------------------------------------------------
TOTAL ASSETS                       $178,610      8,353      9,421         27,891       10,261       16,876      251,412
- -----------------------------------------------------------------------------------------------------------------------
- -----------------------------------------------------------------------------------------------------------------------
RATE SENSITIVE LIABILITIES AND 
EQUITY:
DEPOSITS
     DEMAND                        $      -          -          -              -            -      41,764        41,764
     INTEREST CHECKING               10,214          -          -              -            -           -        10,214
     MMDA AND SAVINGS               117,090          -          -              -            -           -       117,090
     TIME DEPOSITS
          > $100 MILLION                  -     42,290      6,689            100            -           -        49,079
          < $100 MILLION                  -      6,438      2,302            247            -           -         8,987
OTHER LIABILITIES                         -          -          -              -            -       1,480         1,480
SHAREHOLDERS' EQUITY                      -          -          -              -            -      22,798        22,798
- -----------------------------------------------------------------------------------------------------------------------
TOTAL LIABILITIES AND EQUITY       $127,304     48,728      8,991            347            -      66,042       251,412
- -----------------------------------------------------------------------------------------------------------------------
- -----------------------------------------------------------------------------------------------------------------------
GAP                                $ 51,306    (40,375)       430         27,544       10,261     (49,166)            -
CUMULATIVE GAP                       51,306     10,931     11,361         38,905       49,166           -             -
CUMULATIVE GAP/TOTAL ASSETS           20.41%      4.35%      4.52%         15.47%       19.56%          -             -
</TABLE>

                                              Page 9 of 69 Pages

<PAGE>

CAPITAL RESOURCES

Capital management is a continuous process of providing adequate capital for 
current needs and anticipated future growth. Capital serves as a source of 
funds for the acquisition of fixed and other assets and protects depositors 
against potential losses. As the Company's assets increase, so do its capital 
requirements.

The Board of Governors and the FDIC have adopted risk-based capital 
guidelines for evaluating the capital adequacy of bank holding companies and 
banks. The guidelines are designed to make capital requirements sensitive to 
differences in risk profiles among banking organizations, to take into 
account off-balance sheet exposures and to aid in making the definition of 
bank capital uniform internationally. Under the guidelines, the Company and 
the Bank are required to maintain capital equal to at least 8.00% of assets 
and commitments to extend credit weighted by risk, of which at least 4.00% 
must consist primarily of common equity (including retained earnings) and the 
remainder may consist of subordinated debt, cumulative preferred stock or a 
limited amount of loan loss reserves.

The Board of Governors also adopted a 3.00% minimum leverage ratio for 
banking organizations as a supplement to the risk-weighted capital 
guidelines. The leverage ratio is generally calculated using Tier 1 capital 
(as defined under risk-based capital guidelines) divided by quarterly average 
net total assets (excluding intangible assets and certain other adjustments). 
The leverage ratio establishes a limit on the ability of banking 
organizations, including the Company and the Bank, to increase assets and 
liabilities without increasing capital proportionately.

The Board of Governors emphasized that the leverage ratio constitutes a 
minimum requirement for well-run banking organizations having diversified 
risk, including no undue interest rate risk exposure, excellent asset 
quality, high liquidity, good earnings and a composite rating of 1 under the 
regulatory rating system for banks and 1 under the regulatory rating system 
for bank holding companies. Banking organizations experiencing or 
anticipating significant growth, as well as those organizations which do not 
exhibit the characteristics of a strong well-run banking organization 
described above, will be required to maintain minimum capital ranging 
generally from 100 to 200 basis points in excess of the leverage ratio. The 
FDIC adopted a substantially similar leverage ratio for state non-member 
banks.

On December 19, 1991, the President signed the Federal Deposit Insurance 
Corporation Improvement Act of 1991 (FDICIA). The FDICIA, among other 
matters, substantially revises banking regulations and establishes a 
framework for determination of capital adequacy of financial institutions. 
Under the FDlCIA, financial institutions are placed into one of five capital 
adequacy categories as follows: (1) Well Capitalized, consisting of 
institutions with a total risk-based capital ratio of 10.00% or greater, a 
Tier 1 risk-based capital ratio of 6.00% or greater and a leverage ratio of 
5.00% or greater, and the institution is not subject to an order, written 
agreement, capital directive or prompt corrective action directive; (2) 
Adequately Capitalized, consisting of institutions with a total risk-based 
capital ratio of 8.00% or greater, a Tier 1 risk-based capital ratio of 4.00% 
or greater and a leverage ratio of 4.00% or greater, and the institution does 
not meet the definition of a well capitalized institution; (3) 
Undercapitalized, consisting of institutions with a total risk-based capital 
ratio  of less than 8.00%, a Tier 1 risk-based capital ratio of less that 
4.00% or a leverage ratio of less than 4.00%; (4) Significantly 
Undercapitalized, consisting of institutions with a total risk-based capital 
ratio of less than 6.00%, a Tier 1 risk-based capital ratio of less than 
3.00% or a

                                             Page 10 of 69 Pages

<PAGE>

leverage ratio of less than 3.00%; (5) Critically Undercapitalized, 
consisting of an institution with a ratio off tangible equity to total assets 
that is equal to or less than 2.00%.

Financial institutions classified as undercapitalized or below are subject to 
various limitations including, among other matters, certain supervisory 
actions by bank regulatory authorities and restrictions related to (i) growth 
of assets, (ii) payment of interest on subordinated indebtedness, (iii) 
payment of dividends or other capital distribution, and (iv) payment of 
management fees to a parent holding company.  The FDICIA requires the bank 
regulatory authorities to initiate corrective action regarding financial 
institutions which fail to meet minimum capital requirements. Such action may 
result in orders to, among other matters, augment capital and reduce total 
assets. Critically undercapitalized financial institutions may also be 
subject to appointment of a receiver or conservator unless the financial 
institution submits an adequate capitalization plan.

The following table sets forth the Company's risk-weighted and leverage 
capital ratios as of June 30, 1996 and December 31, 1995.  As indicated in 
the table, the Company's capital ratios significantly exceeded the minimum 
capital levels required by current federal regulations.


                            Risk Based Capital Ratio
                                  (unaudited)

                                          June 30, 1996     December 31, 1995
                                         ---------------    -----------------
Ratios (dollars in thousands)            Amount   Ratio       Amount   Ratio
- -----------------------------------------------------------------------------
Tier 1 capital                          $ 22,784   12.15%     $ 21,440  14.36%
Tier 1 capital minimum requirement      $  7,499    4.00%     $  5,971   4.00%

Total capital                           $ 24,717   13.18%     $ 23,156  15.51%
Total capital minimum requirement       $ 14,999    8.00%     $ 11,944   8.00%

Total risk based assets                 $187,492              $149,296



                              Leverage Capital Ratio
                                   (unaudited)


                                         June 30, 1996      December 31, 1995
                                         ---------------    -----------------
Ratios (dollars in thousands)           Amount     Ratio     Amount     Ratio
- -----------------------------------------------------------------------------
Tier 1 capital to adjusted total assets $ 22,784   9.97%     $ 21,440   9.76%
Quarterly average total assets          $228,568             $219,783        

                                             Page 11 of 69 Pages

<PAGE>

INFLATION

The impact of inflation on a financial institution differs significantly from 
that exerted on manufacturing, or other commercial concerns, primarily 
because its assets and liabilities are largely monetary.  In general, 
inflation primarily affects the Company indirectly through its effect on 
market rates of interest, and thus the ability of the Bank to attract loan 
customers.  Inflation affects the growth of total assets by increasing the 
level of loan demand, and potentially adversely affects the Company's capital 
adequacy because loan growth in inflationary periods can increase at rates 
higher than the rate that capital grows through retention of earnings which 
the Company may generate in the future.  In addition to its effects on 
interest rates, inflation directly affects the Company by increasing the 
Company's operating expenses.  The effect of inflation upon the Company's 
results of operations was not material for the periods covered by this report.

MERGER

Mid-Peninsula Bancorp and Cupertino National Bancorp signed an Amended and 
Restated Agreement and Plan of Reorganization and Merger dated June 26, 1996 
(the "Agreement"), whereby Cupertino National Bancorp will merge with and 
into Mid-Peninsula Bancorp and Mid-Peninsula Bancorp will change its name to 
Greater Bay Bancorp.  Mid-Peninsula Bank and Cupertino National Bank & Trust 
will operate as wholly-owned subsidiaries of Greater Bay Bancorp and will 
focus on serving the greater Bay area, including the Peninsula and South Bay 
markets, through their seven office locations.

The terms of the Agreement provide for Cupertino National Bancorp 
shareholders to receive .81522 of a share of Mid-Peninsula Bancorp common 
stock for each share of Cupertino National Bancorp common stock in a tax-free 
exchange to be accounted for as a "pooling-of-interests."  As part of the 
Agreement, Mid-Peninsula will list its shares on the Nasdaq National Market, 
and, concurrent with closing, will be renamed Greater Bay Bancorp.  Following 
the merger, the shareholders of Mid-Peninsula Bancorp will own approximately 
51% of the combined company and the shareholders of Cupertino National 
Bancorp will own approximately 49% of the combined company, giving effect to 
all outstanding options.

Greater Bay Bancorp's new Board of directors will consist of five directors 
from Mid-Peninsula Bancorp and five from Cupertino National Bancorp, with 
Duncan L. Matteson (Chairman of Mid-Peninsula Bancorp) and John M. Gatto 
(Chairman of Cupertino National Bancorp) serving as co-Chairmen.  David L. 
Kalkbrenner, who will serve as President and Chief Executive Officer of 
Greater Bay Bancorp, will continue as President and Chief Executive Officer 
of Mid-Peninsula Bank, and C. Donald Allen will remain as Chairman and Chief 
Executive Officer of Cupertino National Bank & Trust.  Steven C. Smith, the 
Chief Operating Officer of Cupertino National Bancorp, will serve as Chief 
Operating Officer and Chief Financial Officer of Greater Bay Bancorp.

In connection with the Agreement, Mid-Peninsula Bancorp and Cupertino 
National Bancorp have granted each other options to purchase up to 19.0% of 
the outstanding shares of each other's common stock under certain 
circumstances in the event the transaction is terminated. The merger is 
expected to be completed in the fourth quarter of 1996, subject to 
shareholder and regulatory approvals.

                                             Page 12 of 69 Pages


<PAGE>

                             RESULTS OF OPERATIONS

                       Three months Ended June  30, 1996
                               Compared with the
                        Three months Ended June 30, 1995


Net income of $794,000 for the three months ended June 30, 1996 increased 
$117,000 or 17% as compared to the $677,000 earned for the same period ended 
June 30, 1995. The increase in net income for the period was primarily due to 
an increase in net interest income that was higher than the increases noted 
in the provision for possible loan losses and operating expenses aided by an 
increase in non-interest income.

Net interest income for June 30, 1996 was $2,920,000, compared to $2,614,000 
for the same period ended June 30, 1995, an increase of $306,000 or 12%.  Net 
interest income depends primarily on the volume of interest-earning assets 
and interest-bearing liabilities in relation to the net interest spread (the 
difference between the yield earned on the Company's interest-earning assets 
and the interest rate paid on the Company's interest-bearing liabilities) as 
well as the relative balances of interest-earning assets and interest-bearing 
liabilities. The smaller the level of interest-earning assets when compared 
to the level of interest-bearing liabilities, the greater the interest rate 
spread must be in order to achieve positive net interest income.  For the 
three months ended June 30, 1996, the Company had $221,874,000 of average 
interest-earning assets compared to $189,217,000 for the same period ended 
June 30, 1995, an increase of $32,657,000 or 17%.  The Company's yield on 
interest-earning assets for the three months ended June 30, 1996 decreased to 
8.56% compared to 8.97% during the comparable period in 1995. The decrease in 
earnings yield reflects the highly competitive nature of the Bank's market as 
well as declines in interest rates in the Federal funds and securities 
markets. Interest income increased $431,000 or 10% for the three months ended 
June 30, 1996 compared to the same 1995 period due to the increase in average 
interest-earning assets offset by the decline in earning asset yields.

Average deposits for the Company for the three months ended June 30, 1996 
were $211,649,000, a $31,404,000 or 17% increase compared to the quarter 
ended June 30, 1995. The Company's average cost of funds for the period ended 
June 30, 1996 was 3.32% which yielded a net spread of 4.51%. This compares to 
an average cost of funds of 3.62% and a net spread of 4.74% for the 
comparable 1995 period. Interest expense of $1,756,000 for the three months 
ended June 30, 1996 was $125,000 or 8% more than the comparable 1995 period.  
Net interest income for the period ended June 30, 1996 increased $306,000 or 
12% to $2,920,000 and resulted from increased levels of earning assets at 
higher earning asset yields and deposits at moderately increased levels of 
interest-bearing expense rates.

                                             Page 13 of 69 Pages


<PAGE>

The following table presents, for the periods indicated, the Company's total 
dollar amount of interest income, on a tax equivalent basis, from average 
interest-earning assets and the resultant yields, as well as the interest 
expense of average interest-bearing liabilities and the resultant costs, 
expressed both in dollars and rates.  The table also sets forth the net 
interest income and the net average earning balances for the periods 
indicated.

AVERAGE BALANCE SHEET

                           MID-PENINSULA BANCORP AND SUBSIDIARY
                                  Average Balance Sheet
                               Three Months ended June 30
                                      (unaudited)
<TABLE>
<CAPTION>
(in thousands, except percentages)        1996                          1995
- -----------------------------------------------------------------------------------------
                                Average             Average   Average             Average
                                Balance  Interest    Rate(1)  Balance   Interest   Rate (1)
- ------------------------------------------------------------------------------------------
<S>                            <C>       <C>        <C>      <C>        <C>       <C>
Assets:
  Loans                        $143,125   $3,622(2) 10.12%   $112,767    $3,081(2) 10.93%
  Taxable investments            34,105      493     5.78%     45,405       709     6.25%
  Non-taxable investments        11,915      208     6.98%      7,589       104     5.48%
  Fed funds sold and other       32,729      424     5.18%     23,456       351     5.99%
                               --------   -------   ------   ---------   -------   ------
Total earning assets            221,874   $4,747     8.56%    189,217    $4,245     8.97%
Cash and due from banks          10,103                         7,412
Premises and equipment, net         899                           931
Other assets (3)                  3,254                         2,455
                               --------                      --------
Total assets                   $236,130                      $200,015
                               --------                      --------
                               --------                      --------
Liabilities and Shareholders'
 Equity:
 Deposits:
  Demand with interest         $ 11,711   $   54     1.84%   $ 11,588    $   56     1.93%
  Savings and money market      111,093    1,048     3.77%     97,835     1,023     4.18%
  Time deposits GREATER THAN
   $100,000                      41,717      540     5.18%     37,241       460     4.94%
  Other time deposits             8,922      114     5.11%      7,270        92     5.06%
                               --------   -------   ------   ---------   -------   ------
Total interest-bearing deposits 173,443    1,756     3.32%    153,934     1,631     3.62%
                                          -------                        -------
Non-interest deposits            38,206                        26,311
Other liabilities                 2,031                         1,145
                               --------                      --------
Total liabilities               213,680                       181,390
Shareholders' equity             22,450                        18,625
                               --------                      --------
Total liabilities and equity   $236,130                      $200,015
                               --------                      --------
                               --------                      --------
Net interest spread                                  4.51%                          4.73%
Net interest income
 and margin                               $2,991     5.39%               $2,614     5.53%
- -----------------------------------------------------------------------------------------
</TABLE>
(1)   Annualized
(2)   Loan interest income includes fee income of $187,000 and $156,000 for 
      the quarters ended June 30, 1996 and 1995, respectively
(3)   Includes the average allowances for loan losses of $1,875,000 and 
      $1,536,000 and average deferred loan fees of $428,000 and  $341,000 
      for the quarters ended  June 30, 1996 and 1995, respectively

The Company provided $100,000 to the allowance for possible loan losses for 
the three months ended June 30, 1996 compared to $80,000 for the comparable 
period in 1995. This modest addition to the allowance recognizes the 
improvement of the local economy, resulting in a lower level of classified 
loans and charge-offs.

Net charge-offs were $3,000 for the three months ended June 30, 1996 , 
compared to net recoveries of $2,000 in the three month period ending June 
30, 1995.
                                             Page 14 of 69 Pages
<PAGE>


Non-interest income was $97,000 during the period ending June 30, 1996 
compared to $147,000 during the comparable period in 1995 due primarily to an 
investment loss.

Salaries and benefits expense for the three months ended June 30, 1996 was 
$978,000, a $124,000 or 15% increase over the comparable period in 1995.  
This increase includes normal cost of living increases and selective 
additions to staff to take advantage of a larger, more complex market area 
and service organization.

Other non-interest expenses including occupancy expense were $595,000 for the 
period ended June 30, 1996 compared to $697,000 for the same period in 1995, 
a $102,000 or 15% decrease due primarily to decreased FDIC insurance premiums.

Applicable income taxes of $550,000 for the three months ended June 30, 1996 
were $97,000 or 21% higher than for the comparable 1995 period. The Company's 
effective tax rate for the three months ending June 30, 1996 was 41% compared 
to 40% for the comparable period in 1995.

                                             Page 15 of 69 Pages



<PAGE>

                                 RESULTS OF OPERATIONS


                            Six months Ended June  30, 1996
                                  Compared with the
                             Six months Ended June 30, 1995



Net income of $1,571,000 for the six months ended June 30, 1996 increased 
$270,000 or 21% as compared to the $1,301,000 earned for the same period 
ended June 30, 1995. The increase in net income for the period was primarily 
due to an increase in net interest income that was higher than the increases 
noted in the provision for possible loan losses and operating expenses aided 
by an increase in non-interest income.

Net interest income for the six months ended June 30, 1996 was $5,712,000, 
compared to $5,035,000 for the same period ended June 30, 1995, an increase 
of $677,000 or 13%.  Net interest income depends primarily on the volume of 
interest-earning assets and interest-bearing liabilities in relation to the 
net interest spread (the difference between the yield earned on the Company's 
interest-earning assets and the interest rate paid on the Company's 
interest-bearing liabilities) as well as the relative balances of 
interest-earning assets and interest-bearing liabilities. The smaller the 
level of interest-earning assets when compared to the level of 
interest-bearing liabilities, the greater the interest rate spread must be in 
order to achieve positive net interest income.  For the six months ended June 
30, 1996, the Company had $214,574,000 of average interest-earning assets 
compared to $184,192,000 for the same period ended June 30, 1995, an increase 
of $30,382,000 or 16%.  The Company's yield on interest-earning assets for 
the six months ended June 30, 1996 decreased to 8.65% compared to 8.84% 
during the comparable period in 1995. The decrease in earnings yield reflects 
the highly competitive nature of the Bank's market as well as declines in 
interest rates in the Federal funds and securities markets. Interest income 
increased $993,000 or 12% for the six months ended June 30, 1996 compared to 
the same 1995 period due to the increase  in interest earning assets offset 
by the decline in earning asset yields.

Average deposits for the Company for the six months ended June 30, 1996 were 
$204,318,000, a $29,649,000 or 17% increase compared to the period ended June 
30, 1995. The Company's average cost of funds for the period ended June 30, 
1996 was 3.35% which yielded a net spread of 4.59%. This compares to an 
average cost of funds of 3.55% and a net spread of 4.63% for the comparable 
1995 period. Interest expense of $3,420,000 for the six months ended June 30, 
1996 was $316,000 or 10% more than the comparable 1995 period.  Net interest 
income for the period ended June 30, 1996 increased $677,000 or 13% to 
$5,712,000 and resulted from increased levels of earning assets at higher 
earning asset yields and deposits at moderately increased levels of 
interest-bearing expense rates.

                                             Page 16 of 69 Pages

<PAGE>

The following table presents, for the periods indicated, the Company's total 
dollar amount of interest income, on a tax equivalent basis, from average 
interest-earning assets and the resultant yields, as well as the interest 
expense of average interest-bearing liabilities and the resultant costs, 
expressed both in dollars and rates.  The table also sets forth the net 
interest income and the net average earning balances for the periods 
indicated.

AVERAGE BALANCE SHEET

                     MID-PENINSULA BANCORP AND SUBSIDIARY
                             Average Balance Sheet
                           Six  Months ended June 30
                                   (unaudited)
<TABLE>
<CAPTION>
 (in thousands, except percentages)      1996                                                   1995 
- -------------------------------------------------------------------------------------------------------------------------
                                Average                         Average        Average                         Average
                                Balance         Interest        Rate (1)       Balance         Interest        Rate (1)
- -------------------------------------------------------------------------------------------------------------------------
<S>                             <C>             <C>             <C>           <C>              <C>             <C>      
Assets:
  Loans                         $137,555        $7,041(2)       10.24%        $111,100         $5,981(2)       10.77%
  Taxable investments             36,646         1,088           5.94%          38,868          1,176           6.05%
  Non-taxable investments         12,003           445           7.41%           6,578            183           5.56%
  Fed funds sold and other        28,370           709           5.00%          27,646            799           5.78%
                                --------        ------          ------         -------          -----          ------
Total earning assets             214,574        $9,283           8.65%         184,192         $8,139           8.84%
Cash and due from banks            9,830                                         7,470
Premises and equipment, net          909                                           924
Other assets(3)                    3,255                                         1,522
                                --------                                       -------
Total assets                    $228,568                                      $194,108
                                --------                                      --------
                                --------                                      --------
Liabilities and Shareholders'
 Equity:
 Deposits:
  Demand with interest          $11,438         $   106          1.85%        $  10,814        $   108          2.00%
  Savings and money market      109,397           2,075          3.79%           95,609          1,999          4.18%
  Time deposits GREATER THAN
    $100,000                     38,930           1,013          5.20%           33,755            819          4.85%
  Other time deposits             8,753             226          5.16%            7,365            178          4.83%
                                -------         -------         ------         --------        -------
Total interest-bearing deposits 168,518           3,420          4.06%          147,543          3,104          4.21%
                                                -------                                        -------
Non-interest deposits            35,800                                          27,126
Other liabilities                 2,106                                           1,033
                                -------                                        --------
Total liabilities               206,424                                         175,702
Shareholders' equity             22,144                                          18,406
                                -------                                        --------
Total liabilities and equity   $228,568                                        $194,108
                               --------                                        --------
                               --------                                        --------
Net interest spread                                              4.59%                                          4.63%
Net interest income
 and margin                                     $5,863           5.46%                         $ 5,035          5.47%
- -------------------------------------------------------------------------------------------------------------------------
</TABLE>
(1)   Annualized
(2)   Loan interest income includes fee income of $381,000 and $303,000 for six
      months ended June 30, 1996 and 1995, respectively
(3)   Includes the average allowances for loan losses of $1,819,000 and 
      $1,484,000 and average deferred loan fees of $466,000 and $365,000 for 
      the six months ended June 30, 1996 and 1995, respectively

The Company provided $220,000 to the allowance for possible loan losses for 
the six months ended June 30, 1996 compared to $155,000 for the comparable 
period in 1995. This modest addition to the allowance recognizes the 
improvement of the local economy, resulting in a lower level of classified 
loans and charge-offs.

Net charge-offs were $3,000 for the six months ended June 30, 1996, compared 
to $3,000 net recoveries in the six month period ending June 30, 1995.

                                             Page 17 of 69 Pages
<PAGE>

Non-interest income was $279,000 during the period ending June 30, 1996 
compared to $242,000 during the comparable period in 1995 due primarily to an 
increase in service charge income.

Salaries and benefits expense for the six months ended June 30, 1996 was 
$1,932,000, a $251,000 or 15% increase over the comparable period in 1995.  
This increase includes normal cost of living increases and selective 
additions to staff to take advantage of a larger, more complex market area 
and service organization.

Other non-interest expenses including occupancy expense were $1,180,000 for 
the period ended June 30, 1996 compared to $1,293,000 for the same period in 
1995 a $113,000 or 9% decrease due primarily to decreased regulatory expense.

Applicable income taxes of $1,088,000 for the six months ended June 30, 1996 
were $241,000 or 28% higher than for the comparable 1995 period. The 
Company's effective tax rate for the six months ending June 30, 1996 was 41% 
compared to 39% for the comparable period in 1995.

                                             Page 18 of 69 Pages

<PAGE>

PART II-OTHER INFORMATION
     
     Item 4 -  Submission of Matters to a vote of Security Holders

     The annual meeting of the Shareholders of Mid-Peninsula Bancorp was held 
     on May 22, 1996 at 5:00 p.m. in the lobby of Mid-Peninsula Bank.

     There were 1,258,538 shares equaling 79% of the outstanding shares 
     represented at the meeting.  

     The following 15 incumbent Directors were reelected as Directors, in 
     each case by vote of a majority of the votes cast in the election of 
     directors and there were no nominees in opposition:

         Lawrence A. Aufmuth          Helen C. Leong
         John F Blokker               George M. Marcus
         Allan F. Brown               Duncan L. Matteson
         Owen D. Conley               Donald H. Seiler
         Murray B. Dey                Warren R. Thoits
         Donald L Hammond             Bruce E. Van Alstyne
         David L. Kalkbrenner         Edwin E. van Bronkhorst
         R. Hewlett Lee

                                             Page 19 of 69 Pages


<PAGE>

     Item 6 - Exhibits and Reports on Form 8-K
     
              (a) (2.1)  Amended and Restated Agreement and Plan of 
                         Reorganization andMerger dated June 26, 1996, 
                         incorporated by reference from Exhibit 2.1 of 
                         Registrant's report on Form 8-K filed with the
                         Commission on July 12, 1996.
     
                  (3.1)  Articles of Incorporation, as amended, incorporated by
                         reference from Exhibit 3.1 of Registrant's annual 
                         Report on Form 10-K for the year ended December 31, 
                         1994, filed with the Commission on March 30, 1995.
     
                  (3.2)  Bylaws, as amended, incorporated by reference from 
                         Exhibit 3.2 to Registration Statement No. 33-79798 
                         on Form S-4, filed with the Commission on June 6, 1994.
     
                  (10.1) Shareholder Agreement pursuant to Amended and Restated
                         Agreement and Plan of Reorganization and Merger dated 
                         June 26, 1996.
     
                  (10.2) Form of Affiliate Agreement pursuant to Amended and 
                         Restated Agreement and Plan of Reorganization and 
                         Merger dated June 26, 1996.
     
                  (10.3) Stock Option Agreements pursuant to Amended and 
                         Restated Agreement and Plan of Reorganization and 
                         Merger dated June 26, 1996.
     
                  (10.4) Alex Brown & Sons, Inc. Agreement dated May 28, 1996.

                  (27.1) Financial Data Schedule
     
                  (99.1) Press Release dated June 19, 1996, incorporated by 
                         reference from Exhibit 99.1 of Registrant's report on 
                         Form 8-K, filed with the Commission on July 12, 1996.
     
              (b) Form 8-K dated May 22, 1996, filed with the Commission on 
                  June 3, 1996.

                                             Page 20 of 69 Pages

<PAGE>


SIGNATURES

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

                                      MID-PENINSULA BANCORP



July 31, 1996                         By: /s/ DAVID L. KALKBRENNER
                                         -----------------------------
                                            
                                            President and
                                            Chief Executive Officer
                                            (Principal Executive Officer)

July 31, 1996
                                      By: /s/ CAROL H. ROWLAND
                                         -----------------------------
                                             Carol H. Rowland
                                             First Vice President and
                                             Chief Financial Officer
                                             (Principal Financial and
                                             Accounting Officer)


                                             Page 21 of 69 Pages

<PAGE>

                                 EXHIBIT INDEX

                                                                SEQUENTIAL
                                                                   PAGE
EXHIBIT NO:                        DESCRIPTION                    NUMBER
- -----------                        -----------                  ----------


10.1                   Shareholder Agreement dated pursuant
                       to Amended and Restated Agreement and
                       Plan of Reorganization and Merger dated 
                       June 26, 1996.                             23 - 28

10.2                   Form of Affiliate Agreement pursuant to 
                       Amended and Restated Agreement and
                       Plan of Reorganization and Merger 
                       dated June 26, 1996. Agreement 
                       and Plan of Reorganization and Merger
                       dated June 26, 1996.                         29

10.3                   Stock Option Agreements pursuant to 
                       Amended and Restated Agreement and 
                       Plan of Reorganization and Merger 
                       dated June 26, 1996.                       30 - 59

10.4                   Alex Brown and Sons, Inc Agreement dated 
                       May 28, 1996.                              60 - 68

27.1                   Financial Data Schedule                      69


                                             Page 22 of 69 Pages


<PAGE>

                                EXHIBIT 10.1

                       MID-PENINSULA SHAREHOLDER AGREEMENT

     This Shareholder Agreement ("Agreement") is made and entered into on 
June 26, 1996, by and between Cupertino National Bancorp ("Cupertino") and 
each of the other persons executing this Agreement (each such person is 
referred to individually as a "Mid-Peninsula Shareholder" and collectively 
referred to as the "Mid-Peninsula Shareholders"), with reference to the 
following facts:

     A.   Mid-Peninsula Bancorp ("Mid-Peninsula") and Cupertino have entered 
into that certain Agreement and Plan of Reorganization and Merger 
("Reorganization Agreement"), dated as of June 5, 1996, pursuant to which 
Cupertino will merge with and into Mid-Peninsula (the "Merger"), 
Mid-Peninsula will change its name to Greater Bay Bancorp ("Bancorp") and 
Mid-Peninsula will pay consideration to Cupertino Shareholders in the form of 
Bancorp common stock.

     B.   Each of the Mid-Peninsula Shareholders is also a director or 
executive officer of Mid-Peninsula.

     C.   In order to induce Cupertino to enter into the Reorganization 
Agreement, the Mid-Peninsula Shareholders desire to enter into this Agreement 
solely in their capacity as Mid-Peninsula Shareholders.

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

1.   AGREEMENTS OF MID-PENINSULA SHAREHOLDERS.

     1.1  AGREEMENT TO VOTE.  At any meeting of shareholders of Mid-Peninsula 
or in connection with any solicitation of the written consent of 
Mid-Peninsula Shareholders to approve the Reorganization Agreement and the 
transactions contemplated thereby, each of the Mid-Peninsula Shareholders 
shall vote or cause to be voted all shares of Mid-Peninsula common stock 
("Mid-Peninsula Share" or "Mid-Peninsula Shares") owned by each such 
Mid-Peninsula Shareholder, and any other Mid-Peninsula Shares hereafter 
acquired by each such Mid-Peninsula Shareholder, in favor of, and to approve, 
the principal terms of the Merger and any other matter contemplated by the 
Reorganization Agreement which requires the approval of the Mid-Peninsula 
Shareholders.

     1.2  AGREEMENT TO RECOMMEND.  Unless the Board of Directors of 
Mid-Peninsula shall have determined that they have a fiduciary duty to the 
Mid-Peninsula Shareholders to recommend that the Mid-Peninsula Shareholders 
not vote in favor of approval of the transactions contemplated by the 
Reorganization Agreement, each Mid-Peninsula Shareholder shall recommend to 
the Mid-Peninsula Shareholders to vote in favor of, and to approve, the 
principal

                                              Page 23 of 69 Pages

<PAGE>

terms of the Merger and any other matter contemplated by the 
Reorganization Agreement.

     1.3  RESTRICTIONS ON DISPOSITIONS.  Each Mid-Peninsula Shareholder 
agrees that he will not pledge or otherwise encumber, nor sell, assign or 
otherwise dispose of, any Mid-Peninsula Shares currently owned or acquired by 
such Mid-Peninsula Shareholder after the date of this Agreement, except (i) 
with the prior written consent of Cupertino (which shall not be unreasonably 
withheld); (ii) pursuant to the Reorganization Agreement; or (iii) by a bona 
fide pledge to secure a loan made on a full-recourse basis.

     1.4  NEGOTIATIONS WITH OTHER PARTIES.  Each Mid-Peninsula Shareholder 
agrees that he will not, directly or indirectly, solicit or encourage any 
inquiries, discussions or proposals from, or enter into, or continue any 
discussions, negotiations or agreements relating to, or vote in favor of any 
proposal or transactions for disposition of all or part of the business or 
assets of Mid-Peninsula or any subsidiary thereof, or the acquisition of all 
or part of Mid-Peninsula's or any subsidiary of Mid-Peninsula's voting 
securities or any business combination with any person other than Cupertino 
or any wholly-owned subsidiary of Cupertino unless, upon advice of counsel, 
the Board of Directors of Mid-Peninsula shall have determined that any duty 
to refrain from any act pursuant to this Section 1.4 is inconsistent with the 
continuing fiduciary duty of the Board of Directors to the Mid-Peninsula 
Shareholders.

2.   REPRESENTATIONS AND WARRANTIES OF MID-PENINSULA SHAREHOLDERS.

     Each of the Mid-Peninsula Shareholders severally and not jointly, 
represents and warrants to and agrees with Cupertino, solely with respect to 
himself or herself, as follows:

     2.1  CAPACITY.  Each such Mid-Peninsula Shareholder has all the 
requisite capacity and authority to enter into and perform such Mid-Peninsula 
Shareholder's obligations under this Agreement.

     2.2  BINDING AGREEMENT.  This Agreement constitutes the valid and 
legally binding obligation of each such Mid-Peninsula Shareholder.

     2.3  NON-CONTRAVENTION.  The execution and delivery of this Agreement by 
each such Mid-Peninsula Shareholder does not, and the performance by such 
Mid-Peninsula Shareholder's obligations hereunder and the consummation by 
such Mid-Peninsula Shareholder of the transactions contemplated hereby will 
not, violate or conflict with or constitute a default under any agreement, 
instrument, contract or other obligation or any order,

                                       2

                                              Page 24 of 69 Pages

<PAGE>

arbitration award, judgment or decree to which such Mid-Peninsula Shareholder 
is a party or by which such Mid-Peninsula Shareholder is bound, or any 
statute, rule or regulation to which such Mid-Peninsula Shareholder or any of 
such Mid-Peninsula Shareholder's property is subject.

     2.4  OWNERSHIP OF SHARES.  Schedule 1 hereto correctly sets forth the 
number of Mid-Peninsula Shares owned by each Mid-Peninsula Shareholder, or 
with respect to which each Mid-Peninsula Shareholder has good title to all of 
the Mid-Peninsula Shares indicated as owned by such Mid-Peninsula Shareholder 
in the capacity set forth on Schedule 1 as of the date indicated on such 
Schedule 1, and such Mid-Peninsula Shares are so owned free and clear of any 
liens, security interest, charges or other encumbrances, except as set forth 
in such Schedule 1.

3.   TERMINATION.

     3.1  TERMINATION DATE.  This Agreement shall terminate and be of no 
further force and effect immediately upon the earlier of:  (a) consummation 
of the Merger; or (b) termination of the Reorganization Agreement in 
accordance with the terms thereof.

     3.2  EFFECT OF TERMINATION.  Upon the termination of this Agreement in 
accordance with Section 3.1 hereof, the respective obligations of the parties 
hereto shall immediately become void and have no further force or effect.

4.   SPECIFIC PERFORMANCE.  The parties hereto recognize and agree that 
monetary damages will not compensate adequately the parties hereto for 
nonperformance. Accordingly, each party agrees that his obligations shall be 
enforceable by court order requiring specific performance.

5.   MISCELLANEOUS.

     5.1  EXPENSES.  Each party hereto shall pay its own costs and expenses, 
including, but not limited to, those of its attorneys and accountants, in 
connection with this Agreement and transactions covered and contemplated 
hereby.

     5.2  NOTICES.  All notices, demands or other communications hereunder 
shall be in writing and shall be deemed to have been duly given if delivered 
in person, by telex, telecopy, facsimile transmission, or by United States 
mail, certified or registered, with return receipt requested, or otherwise 
actually delivered as follows:

                                       3


                                              Page 25 of 69 Pages
<PAGE>

          (a)  If to Mid-Peninsula Bancorporation:

               Mid-Peninsula Bancorp
               420 Cowper Street
               Palo Alto, CA  94301-1504
               Attention:  David L. Kalkbrenner, President
               Telephone: (408) 323-5150
               Telecopier: (408) 323-7421
               
          With copies to:

               Bronson, Bronson & McKinnon
               10 Almaden Blvd., Suite 600
               San Jose, CA  95113-2237
               Attention:  Glenn T. Dodd
               Telephone: (408) 293-0599
               Telecopier: (408) 999-6553
               Attention:  John W. Carr
               Telephone: (415) 986-4200
               Telecopier: (415) 982-1394

          (b)  If to a Cupertino Shareholder:

               Cupertino National Bancorp
               20230 Stevens Creek Boulevard
               Cupertino, CA 95014
               Attention:  C. Donald Allen, President
               Telephone: (408) 996-1144
               Telecopier:  (408) 996-0657

          With copies to:

               Manatt, Phelps & Phillips
               11355 W. Olympic Boulevard
               Los Angeles, CA 90064
               Attention:  Paul H. Irving
                           William T. Quicksilver
               Telephone: (310) 312-4000
               Telecopier: (310) 312-4224    

The persons or address to which mailings or deliveries shall be made may 
change from time to time by notice given pursuant to the provisions of this 
Section 5.2.  Any notice, demand or other communication given pursuant to the 
provisions of this Section 5.2 shall be deemed to have been given on the date 
delivered or three days following the date mailed, as the case may be.

     5.3  SUCCESSORS AND ASSIGNS.  All terms and provisions of this Agreement 
shall be binding upon and inure to the benefit of the parties hereto and 
their respective transferees, successors and assigns; provided, however, 
that, except as otherwise contemplated herein, this Agreement and all rights, 
privileges, duties and obligations of the parties hereto may not be assigned 
or delegated by any party hereto without the prior written

                                       4

                                              Page 26 of 69 Pages

<PAGE>

consent of the other parties to this Agreement and any purported assignment 
in violation of this Section 5.3 shall be null and void.

     5.4  THIRD PARTY BENEFICIARIES.  Each party hereto intends that this 
Agreement shall not benefit, or create any right or cause of action in or on 
behalf of, any person other than the parties hereto.  As used in this 
Agreement, the term party or parties shall refer only to Cupertino and the 
Mid-Peninsula Shareholders, or any of them.

     5.5  COUNTERPARTS.  This Agreement may be executed in one or more 
counterparts, all of which taken together shall constitute one instrument.

     5.6  GOVERNING LAW.  This Agreement is made and entered into in the 
State of California and the laws of that state shall govern the validity and 
interpretation hereof and the performance of the parties hereto of their 
respective duties and obligations hereunder.

     5.7  CAPTIONS.  The captions contained in this Agreement are for
convenience of reference only and do not form a part of this Agreement.

     5.8  WAIVER AND MODIFICATION.  No waiver of any term, provision or 
condition of this Agreement, whether by conduct or otherwise, in any one or 
more instances, shall be deemed to be or construed as a further or continuing 
waiver of any such term, provision or condition of this Agreement.  This 
Agreement may be modified or amended only by an instrument of equal formality 
signed by the parties or their duly authorized agents.

     5.9  ATTORNEYS' FEES.  In the event any of the parties to this Agreement 
brings an action or suit against any other party by reason of any breach of 
any covenant, agreement, representation, warranty or other provision hereof, 
or any breach of any duty or obligation created hereunder by such other 
party, the prevailing party in whose favor final judgment is entered shall be 
entitled to have and recover of and from the losing party all reasonable 
costs and expenses incurred or sustained by such prevailing party in 
connection with such suit or action, including without limitation, legal fees 
and court costs (whether or not taxable as such).

     5.10 ENTIRE AGREEMENT.  The making, execution and delivery of this 
Agreement by the parties hereto have been encouraged by no representations, 
statements, warranties or agreements other than those herein expressed.  This 
Agreement embodies the entire understanding of the parties and there are no 
further or other agreements or understandings, written or oral, in effect 
between the parties relating to the subject matter hereof, unless expressly 
referred to by reference herein.

                                       5

                                              Page 27 of 69 Pages

<PAGE>

     5.11 SEVERABILITY.  Whenever possible, each provision of this Agreement 
and every related document shall be interpreted in such manner as to be valid 
under applicable law.  However, if any provision of any of the foregoing 
shall be invalid or prohibited under said applicable law, it shall be 
construed, interpreted and limited to effectuate its purposes to the maximum 
legally permissible extent.  If it cannot be so construed and interpreted so 
as to be valid under such law, such provision shall be ineffective to the 
extent of such invalidity or prohibition without invalidating the remainder 
of such provision or the remaining provisions of this Agreement, and this 
Agreement shall be construed to the maximum extent possible to carry out its 
terms without such invalid or unenforceable provision or portion thereof.

     5.12 SEVERAL OBLIGATIONS.  All duties and obligations of each party to 
this Agreement shall be several and not joint.

     IN WITNESS WHEREOF, the parties hereto have caused this Agreement to be 
duly executed as of the date first above written.

   CUPERTINO BANCORP


By:___________________________
   C. Donald Allen, President


MID-PENINSULA SHAREHOLDERS

/s/ Duncan L. Matteson
________________________________            __________________________________
Duncan L. Matteson                          Owen D. Conley


                                            /s/ Donald L. Hammond
________________________________            __________________________________
Edwin E. van Bronkhorst                     Donald L. Hammond

                                            /s/ R. Hewlett Lee, M.D.
________________________________            __________________________________
Warren R. Thoits                            R. Hewlett Lee, M.D.


/s/ David L. Kalkbrenner                    /s/ Helen C. Leong
________________________________            __________________________________
David L. Kalkbrenner                        Helen C. Leong


/s/ Murray B. Dey
________________________________            __________________________________
Murray B. Dey                               George M. Marcus


/s/ Lawrence A. Aufmuth
________________________________            __________________________________
Lawrence A. Aufmuth                         Donald H. Seiler


________________________________            __________________________________
John F. Blokker                             Bruce E. Van Alstyne


/s/ Allan F. Brown                          /s/ Carol H. Rowland
________________________________            __________________________________
Allan F. Brown                              Carol H. Rowland

                                       6

                                              Page 28 of 69 Pages


<PAGE>

                                    EXHIBIT 10.2

                        FORM OF MID-PENINSULA AFFILIATE AGREEMENT



     I, the undersigned, have been advised that as of the date hereof I may 
be deemed to be (but I do not hereby admit to being) an affiliate of 
Mid-Peninsula Bancorp ("Mid-Peninsula") for purposes of Rule 145 promulgated 
by the SEC under the Securities Act ("Rule 145").  The following undertaking 
is given pursuant to and in compliance with that certain Agreement and Plan 
of Reorganization and Merger between Mid-Peninsula and Cupertino National 
Bancorp ("Cupertino") dated as of June 5, 1996 (the "Reorganization 
Agreement"), which provides for the merger of Cupertino with and into 
Mid-Peninsula (the "Merger") and Mid-Peninsula will change its name to 
Greater Bay Bancorp ("Bancorp").  Capitalized terms used herein and not 
defined herein shall have the meanings given to them in the Reorganization 
Agreement.

     I understand that Mid-Peninsula is relying on the performance of the 
covenants contained herein to insure that they obtain the desired 
pooling-of-interests accounting treatment as a result of the Merger and to 
avoid any appearance of improper manipulation of Mid-Peninsula's stock price 
or insider trading in the period prior to the Merger.

     I hereby agree that during the period beginning on October 15, 1996, (or 
such later date as Mid-Peninsula may notify me in writing), and ending on the 
date on which the Effective Time of the Merger occurs, which in either event 
shall not exceed thirty (30) days prior to the Effective Time of the Merger, 
I will not offer to sell or purchase, sell, transfer, purchase or acquire, 
publicly or privately, any Mid-Peninsula common stock ("Mid-Peninsula Share" 
or "Mid-Peninsula Shares") or Cupertino common stock ("Cupertino Share" or 
"Cupertino Shares"), or cause any other person to do any of the above, except 
my exercise of any stock option pursuant to Mid-Peninsula's stock option 
plans.

     I hereby also agree that during the period beginning on the date on 
which the Effective Time of the Merger occurs and ending on the date of 
release and publication to the general public of financial results covering 
at least thirty (30) days of post-merger combined operations of Mid-Peninsula 
and Cupertino, I will not offer, sell or transfer, publicly or privately, any 
Mid-Peninsula Shares or Bancorp Shares, and that I will not during such 
period commit or agree to sell any of such Mid-Peninsula Shares or Bancorp 
Shares after such period.

Date: ____________________    _________________________________


                                              Page 29 of 69 Pages


<PAGE>

                                      EXHIBIT 10.3

                             THE TRANSFER OF THIS AGREEMENT IS
                          SUBJECT TO CERTAIN PROVISIONS CONTAINED
                       HEREIN AND TO RESALE RESTRICTIONS UNDER THE
                         SECURITIES ACT OF 1933, AS AMENDED, AND
                             APPLICABLE STATE SECURITIES LAWS


                                  STOCK OPTION AGREEMENT


     This Stock Option Agreement, dated as of June 25, 1996 (the 
"Agreement"), is made by and between Mid-Peninsula Bancorp, a California 
corporation ("Issuer"), and Cupertino National Bancorp, a California 
corporation ("Grantee").

     WHEREAS, Grantee and Issuer have entered into an Agreement and Plan of 
Reorganization and Merger dated June 5, 1996 (the "Reorganization 
Agreement"), providing for, among other things, the merger of Grantee with 
and into Issuer (the "Merger"), with Issuer concurrently changing its name to 
Greater Bay Bancorp and being the surviving corporation; and

     WHEREAS, as a condition and inducement to Grantee's execution of the 
Reorganization Agreement, and in consideration of the grant of the option 
granted pursuant to the Stock Option Agreement, dated the date hereof, 
between Issuer as grantee and Grantee as issuer (the "Reciprocal Option"), 
Issuer has agreed to grant to Grantee the Option (as defined below).

     NOW, THEREFORE, in consideration of the foregoing and the respective 
representations, warranties, covenants and agreements set forth herein and in 
the Reorganization Agreement, and intending to be legally bound hereby, 
Issuer and Grantee agree as follows:

     1.   DEFINED TERMS.  Capitalized terms which are used but not defined 
herein shall have the meanings ascribed to such terms in the Reorganization 
Agreement.  As used in this Agreement, the following terms shall have the 
meanings indicated:

          (a)  "Exchange Act" means the Securities Exchange Act of 1934, as 
amended.

          (b)  "Federal Reserve Board" means the Board of Governors of the 
Federal Reserve System.

          (c)  "Holder" means Grantee and, to the extent Grantee has assigned 
its rights and obligations under this Agreement as permitted herein, any 
subsidiary of Grantee, but only to the extent such entity is the holder of 
rights afforded by this Agreement at the time such rights are exercised or 
otherwise asserted.

                                              Page 30 of 69 Pages

<PAGE>

          (d)  "Person" shall have the meaning specified in Sections 3(a)(9) 
and 13(d)(3) of the Exchange Act and the rules and regulations thereunder.

          (e)  "Securities Act" means the Securities Act of 1933, as amended.

     2.   GRANT OF OPTION.  Subject to the terms and conditions set forth 
herein, Issuer hereby grants to Grantee an irrevocable option (the "Option") 
to purchase up to 307,504 shares (the "Option Shares") of Common Stock, no 
par value ("Issuer Common Stock"), of Issuer at a purchase price per Option 
Share of Twenty and 45/100ths Dollars ($20.45) (the "Purchase Price").  The 
Purchase Price and the number of Option Shares that may be received upon the 
exercise of the Option are subject to adjustment as set forth below.

     3.   EXERCISE OF OPTION.

          (a)  The Holder may exercise the Option, in whole or in part, at 
any time and from time to time following the occurrence of a Purchase Event 
(as defined below); PROVIDED THAT the Option shall terminate and be of no 
further force and effect upon the earliest to occur of:

               (i)   the Effective Time of the Merger; or

               (ii)  12 months after the first occurrence of a Purchase Event; 
or

               (iii) 18 months after the termination of the 
Reorganization Agreement on or following the occurrence of a Preliminary 
Purchase Event (as defined below); or

               (iv)  termination of the Reorganization Agreement in accordance 
with the terms thereof prior to the occurrence of a Purchase Event or a 
Preliminary Purchase Event; or

               (v)   the date on which the Reciprocal Option shall have become 
exercisable, in whole or in part, in accordance with its terms.

Notwithstanding anything to the contrary contained herein, (A) the Option may 
not be exercised at any time when Grantee shall be in breach of any of its 
covenants or agreements contained in the Reorganization Agreement such that 
Issuer shall be entitled (without regard to any grace period provided 
therein) to terminate the Reorganization Agreement pursuant to Section 
12b(vii) thereof, whether or not Issuer shall have so terminated the 
Reorganization Agreement; (B) this Agreement and the Option shall terminate 
automatically upon the termination of the Reorganization Agreement by Issuer 
pursuant to Section 12b(vii) thereof; and (C) any purchase of shares upon 
exercise of the Option shall be subject to compliance with applicable law, 
including, without limitation, the Bank Holding Company Act of 1956, as 
amended.  

                                       2

                                              Page 31 of 69 Pages

<PAGE>


          (b)  As used herein, a "Purchase Event" means any of the following  
    events:

               (i)   The Board of Directors of Issuer shall have approved, or 
recommended to the Issuer's shareholders that they approve, a proposal 
received by Issuer from a person (other than Grantee or any subsidiary of 
Grantee) to effect an Acquisition Transaction (as defined below), Tender 
Offer (as defined below) or Exchange Offer (as defined below); or 

               (ii)  Issuer, without having received Grantee's prior written 
consent, shall have entered into an agreement with any person (other than 
Grantee or any subsidiary of Grantee) to effect an Acquisition Transaction; or

               (iii) any person (other than Grantee or any subsidiary of 
Grantee) shall have acquired beneficial ownership (as such term is defined in 
Rule 13d-3 promulgated under the Exchange Act) of or the right to acquire 
beneficial ownership of, or any "group" (as such term is defined under the 
Exchange Act and the rules and regulations promulgated thereunder) shall have 
been formed which beneficially owns or has the right to acquire beneficial 
ownership of fifteen percent (15%) or more of the then outstanding shares of 
Issuer Common Stock.

As used herein, the term "Acquisition Transaction" shall mean (A) a merger, 
consolidation or similar transaction involving Issuer or any of its 
subsidiaries (other than internal mergers, reorganizations, consolidations or 
dissolutions involving only Issuer and/or existing subsidiaries and other 
than a merger, consolidation or similar transaction in which the common 
shareholders of Issuer immediately prior thereto in the aggregate own at 
least seventy-five percent (75%) of the common stock of the surviving or 
successor corporation immediately after the consummation thereof), (B) the 
disposition, by sale, lease, exchange or otherwise, of fifteen (15%) or more 
of the consolidated assets or deposit liabilities of Issuer and its 
subsidiaries, or (C) a purchase or other acquisition (including by way of 
merger, consolidation, share exchange or any similar transaction), other than 
by Issuer or its subsidiaries, of securities representing fifteen percent 
(15%) or more of the voting power of Issuer or any of its subsidiaries.

          (c)  As used herein, a "Preliminary Purchase Event" means any of 
the following events:

               (i)   any person (other than Grantee or any subsidiary of 
Grantee) shall have acquired beneficial ownership of, or the right to acquire 
beneficial ownership of, or any "group" (as defined under the Exchange Act 
and the rules and regulations thereunder) shall have been formed which 
beneficially owns or has the right to acquire beneficial ownership of, ten 
percent (10%) or more of the then outstanding shares of Issuer Common Stock; 
or

                                       3

                                              Page 32 of 69 Pages

<PAGE>

               (ii)  any person (other than Grantee or any subsidiary of 
Grantee) shall have commenced (as such term is defined in Rule 14d-2 under 
the Exchange Act), or shall have filed a registration statement under the 
Securities Act with respect to, a tender offer or exchange offer to purchase 
any shares of Issuer Common Stock such that, upon consummation of such offer, 
such person would own or control ten percent (10%) or more of the then 
outstanding shares of Issuer Common Stock (such an offer being referred to 
herein as a "Tender Offer" or an "Exchange Offer", respectively); or

               (iii) Issuer, without having received Grantee's prior 
written consent, shall have entered into an agreement with any person (other 
than Grantee or any subsidiary of Grantee) with respect to, or the Board of 
Directors of Issuer shall have recommended that the shareholders of Issuer 
approve or accept, a purchase or other acquisition (including by way of 
merger, consolidation, share exchange or any similar transaction), other than 
by Issuer or its subsidiaries, representing ten percent (10%) or more of the 
voting power of Issuer or any of its subsidiaries; or

               (iv) any person (other than Grantee or any subsidiary of 
Grantee) shall have filed an application or notice with the Federal Reserve 
Board or other federal or state regulatory authority, which application or 
notice has been accepted for processing, for approval to engage in an 
Acquisition Transaction; or

               (v)  the holders of Issuer Common Stock shall not have 
approved the Reorganization Agreement at the meeting of such shareholders 
held for the purpose of voting on the Reorganization Agreement, such meeting 
shall not have been held or shall have been canceled prior to termination of 
the Reorganization Agreement, or Issuer's Board of Directors shall have 
withdrawn or modified in a manner adverse to Grantee the recommendation of 
Issuer's Board of Directors with respect to the Reorganization Agreement, in 
each case after it shall have been publicly announced that any person (other 
than Grantee or any subsidiary of Grantee) shall have (A) made or disclosed 
an intention to make a proposal to engage in an Acquisition Transaction or 
(B) commenced a Tender Offer or filed a registration statement under the 
Securities Act with respect to an Exchange Offer.

          (d)  Issuer shall notify Grantee promptly in writing of the 
occurrence of any Purchase Event or Preliminary Purchase Event; PROVIDED, 
HOWEVER, such notice shall not be a condition to the right of the Holder to 
exercise the Option.

          (e)  In the event Holder wishes to exercise the Option, it shall 
send to Issuer a written notice (dated the date on which it is sent to 
Issuer, which date is referred to as the "Notice Date") specifying (i) the 
total number of Option Shares it intends to purchase pursuant to such 
exercise and (ii) a date not earlier than three (3) business days nor later 
than fifteen (15) business days from the Notice Date for the closing (the 
"Closing") of such purchase (the "Closing Date").  The Closing shall be held 
at the Issuer's principal office or at such other place as Issuer and Holder 
may agree.  If prior notification to or approval of the Federal Reserve Board 
or any other regulatory authority is required as a condition precedent

                                        4

                                              Page 33 of 69 Pages

<PAGE>

to such purchase, then (A) Holder shall promptly file and process the 
required notice or application for approval; (B) Issuer shall cooperate with 
Holder in the filing of the required notice or application for approval and 
the obtaining of any such approval; and (C) the Closing Date shall be subject 
to extension for such period of time, not to exceed six (6) months, as may be 
necessary to permit the Holder to submit such filing to, and, if necessary, 
to obtain such approval from, the Federal Reserve Board or other applicable 
regulatory authority; PROVIDED, HOWEVER, that the notice of Option exercise 
and such governmental filing must be made, and the Notice Date must be, no 
later than the date on which the Option would otherwise terminate.  Any 
exercise of the Option shall be deemed to have occurred on the Notice Date.

     4.   PAYMENT AND DELIVERY OF CERTIFICATES.

          (a)  On each Closing Date, Holder shall (i) pay to Issuer, in 
immediately available funds by wire transfer to a bank account designated by 
Issuer, an amount equal to the Purchase Price multiplied by the number of 
Option Shares to be purchased on such Closing Date and (ii) present and 
surrender this Agreement to the Issuer at the address of the Issuer specified 
in Section 11(g) hereof.

          (b)  At each Closing, simultaneously with the delivery of 
immediately available funds and surrender of this Agreement as provided in 
Section 4(a), (i) Issuer shall deliver to Holder (A) a certificate or 
certificates representing the Option Shares to be purchased at such Closing, 
which Option Shares shall be free and clear of all liens, claims, charges and 
encumbrances of any kind whatsoever, and (B) if the Option is exercised in 
part only, an executed new agreement with the same terms as this Agreement 
evidencing the right to purchase the balance of the shares of Issuer Common 
Stock purchasable hereunder; and (ii) Holder shall deliver to Issuer a letter 
agreeing that Holder shall not offer to sell or otherwise dispose of such 
Option Shares in violation of the provisions of this Agreement or applicable 
state and federal securities laws.

          (c)  Certificates for the Option Shares delivered at each Closing 
shall be endorsed with a restrictive legend which shall read substantially as 
follows:

     THE SECURITIES EVIDENCED BY THIS CERTIFICATE HAVE NOT BEEN REGISTERED
     UNDER THE SECURITIES ACT OF 1933, AS AMENDED (THE "ACT") OR QUALIFIED
     OR REGISTERED UNDER THE SECURITIES LAWS OF ANY STATE.  THEY MAY NOT BE
     SOLD OR TRANSFERRED EXCEPT PURSUANT TO AN EFFECTIVE REGISTRATION
     STATEMENT UNDER THE ACT AND UNTIL THEY HAVE BEEN QUALIFIED OR
     REGISTERED UNDER APPLICABLE STATE SECURITIES LAWS, UNLESS THE ISSUER
     RECEIVES AN OPINION OF COUNSEL FOR THE HOLDER OF THESE SECURITIES,
     REASONABLY SATISFACTORY TO THE ISSUER, STATING THAT SUCH SALE OR
     TRANSFER IS EXEMPT FROM THE REGISTRATION AND PROSPECTUS DELIVERY
     REQUIREMENTS OF THE ACT AND ANY APPLICABLE STATE SECURITIES LAWS.  THE
     TRANSFER OF THE

                                       5

                                              Page 34 of 69 Pages

<PAGE>

     SECURITIES REPRESENTED BY THIS CERTIFICATE IS ALSO
     SUBJECT TO RESALE RESTRICTIONS ARISING UNDER THE TERMS OF A STOCK
     OPTION AGREEMENT DATED AS OF JUNE 5, 1996, A COPY OF WHICH IS
     AVAILABLE FOR INSPECTION AT THE OFFICE OF THE SECRETARY OF THE ISSUER.

It is understood and agreed that the above legend shall be removed by 
delivery of substitute certificate(s) without such legend if Holder shall 
have delivered to Issuer a copy of a letter from the staff of the SEC, or an 
opinion of counsel in form and substance reasonably satisfactory to Issuer 
and its counsel, to the effect that such legend is not required for purposes 
of the Securities Act or applicable state securities laws.

     5.   REPRESENTATIONS AND WARRANTIES OF ISSUER.  Issuer hereby represents 
and warrants to Grantee as follows:

          (a)  DUE AUTHORIZATION.  Issuer has all requisite corporate power 
and authority to enter into this Agreement and, subject to any approvals 
referred to herein, to consummate the transactions contemplated hereby.  The 
execution and delivery of this Agreement and the consummation of the 
transactions contemplated hereby have been duly authorized by all necessary 
corporate action on the part of Issuer.  This Agreement has been duly 
executed and delivered by Issuer.

          (b)  AUTHORIZED STOCK.  Issuer has taken all necessary corporate 
action to authorize and reserve and to permit it to issue, and, at all times 
from the date hereof until the obligation to deliver Issuer Common Stock upon 
the exercise of the Option terminates, will have reserved for issuance, upon 
exercise of the Option, shares of Issuer Common Stock necessary for Holder to 
exercise the Option, and Issuer will take all necessary corporate action to 
authorize and reserve for issuance all additional shares of Issuer Common 
Stock or other securities which may be issued pursuant to Section 7 upon 
exercise of the Option.  The shares of Issuer Common Stock to be issued upon 
due exercise of the Option, including all additional shares of Issuer Common 
Stock or other securities which may be issuable pursuant to Section 7, upon 
issuance pursuant hereto, shall be duly and validly issued, fully paid and 
nonassessable, and shall be delivered free and clear of all liens, claims, 
charges and encumbrances of any kind or nature whatsoever, including any 
preemptive rights of any stockholder of Issuer.

     6.   REPRESENTATIONS AND WARRANTIES OF GRANTEE.  Grantee hereby 
represents and warrants to Issuer that:

          (a)  DUE AUTHORIZATION.  Grantee has all requisite corporate power 
and authority to enter into this Agreement and, subject to any approvals or 
consents referred to herein, to consummate the transactions contemplated 
hereby.  The execution and delivery of this Agreement and the consummation of 
the transactions contemplated hereby have been duly

                                       6

                                              Page 35 of 69 Pages

<PAGE>

authorized by all necessary corporate action on the part of Grantee.  This 
Agreement has been duly executed and delivered by Grantee.

          (b)  PURCHASE NOT FOR DISTRIBUTION.  This Option is not being, and 
any Option Shares or other securities acquired by Grantee upon exercise of 
the Option will not be, acquired with a view to the public distribution 
thereof and will not be transferred or otherwise disposed of except in a 
transaction registered or exempt from registration under the Securities Act 
and applicable state securities laws.

     7.   ADJUSTMENT UPON CHANGES IN CAPITALIZATION, ETC.

          (a)  In the event of any change in Issuer Common Stock by reason of 
a stock dividend, stock split, split-up, recapitalization, combination, 
exchange of shares or similar transaction, the type and number of shares or 
securities subject to the Option, and the Purchase Price therefor, shall be 
adjusted appropriately, and proper provision shall be made in the 
documentation pertaining to such transaction so that Holder shall receive, 
upon exercise of the Option, the number and class of shares or other 
securities or property that Holder would have received in respect of Issuer 
Common Stock if the Option had been exercised immediately prior to such 
event, or the record date therefor, as applicable.  If any additional shares 
of Issuer Common Stock are issued after the date of this Agreement (whether 
upon exercise of stock options or otherwise but excluding any issuance 
pursuant to an event described in the first sentence of this Section 7(a)), 
the number of shares of Issuer Common Stock subject to the Option shall be 
adjusted so that, after such issuance, such number of shares, together with 
any shares of Issuer Common Stock previously issued pursuant hereto, equals 
nineteen percent (19%) of the number of shares of Issuer Common Stock then 
issued and outstanding, without giving effect to any shares subject to or 
issued pursuant to the Option (with any fractional share being rounded up to 
the next full share).  Issuer agrees that in no event shall the number of 
shares of Issuer Common Stock issued after the date of this Agreement 
pursuant to the preceding sentence, together with the number of shares of 
Issuer Common Stock subject to the Option, adjusted as aforesaid, exceed the 
number of available authorized but unissued and unreserved shares of Issuer 
Common Stock.

          (b)  In the event that Issuer shall, prior to the occurrence of an 
event set forth in Section 3(a) terminating the Holder's right to exercise 
the Option, enter into an agreement (i) to consolidate with or merge into any 
person, other than Grantee or one of its subsidiaries, and shall not be the 
continuing or surviving corporation of such consolidation or merger, (ii) to 
permit any person, other than Grantee or one of its subsidiaries, to merge 
into Issuer and Issuer shall be the continuing or surviving corporation, but, 
in connection with such merger, the then outstanding shares of Issuer Common 
Stock shall be changed into or exchanged for stock or other securities of 
Issuer or any other person or cash or any other property or the outstanding 
shares of Issuer Common Stock immediately prior to such merger shall after 
such merger represent less than fifty percent (50%) of the outstanding shares 
and share equivalents of the merged company, or (iii) to sell or otherwise 
transfer all or substantially all of its consolidated assets or deposit 
liabilities to any person other than

                                       7

                                              Page 36 of 69 Pages

<PAGE>

Grantee or one of its subsidiaries, then, and in each such case, the 
agreement governing such transaction shall make proper provisions so that the 
Option shall, upon the consummation of any such transaction and upon the 
terms and conditions set forth herein, be converted into, or exchanged for, 
an option (the "Substitute Option"), at the election of Grantee, of either 
(A) the Acquiring Corporation (as defined below), or (B) any person that 
controls the Acquiring Corporation, (such person being referred to as the 
"Substitute Option Issuer").

          (c)  The Substitute Option shall have the same terms as the Option, 
PROVIDED THAT if the terms of the Substitute Option cannot, for legal 
reasons, be the same as the Option, such terms shall be as similar as 
possible and in no event less advantageous to Grantee.  The Substitute Option 
Issuer shall also enter into an agreement with the then holder or holders of 
the Substitute Option in substantially the same form as this Agreement (after 
giving effect for such purposes to the provisions of this Agreement), which 
shall be applicable to the Substitute Option.

          (d)  The Substitute Option shall be exercisable for such number of 
shares of the Substitute Common Stock (as is hereinafter defined) as is equal 
to the Assigned Value (as is hereinafter defined) multiplied by the number of 
shares of the Issuer Common Stock for which the Option was theretofore 
exercisable, divided by the Average Price (as is hereinafter defined).  The 
exercise price of the Substitute Option per share of the Substitute Common 
Stock (the "Substitute Purchase Price") shall then be equal to the Purchase 
Price multiplied by a fraction in which the numerator is the number of shares 
of the Issuer Common Stock for which the Option was theretofore exercisable 
and the denominator is the number of shares of the Substitute Common Stock 
for which the Substitute Option is exercisable.

          (e)  As used herein, the following terms have the meanings 
indicated:

               (i)   "Acquiring Corporation" shall mean (A) the continuing or 
surviving corporation of a consolidation or merger with Issuer (if other than 
Issuer), (B) Issuer in a merger in which Issuer is the continuing or 
surviving person, and (C) the transferee of all or any substantial part of 
the Issuer's assets (or the assets of its subsidiaries).

               (ii)  "Substitute Common Stock" shall mean the common stock 
issued by the Substitute Option Issuer upon exercise of the Substitute Option.

               (iii) "Assigned Value" shall mean the highest of (A) the price 
per share of the Issuer Common Stock at which a Tender Offer or Exchange 
Offer therefor has been made by any person (other than Grantee or a 
subsidiary of Grantee), (B) the price per share of the Issuer Common Stock to 
be paid by any person (other than Grantee or a subsidiary of Grantee) 
pursuant to an agreement with Issuer, and (C) the highest bid price per share 
of Issuer Common Stock as quoted by the brokerage firms acting as market 
makers for Issuer's Common Stock prior to the listing of Issuer's Common 
Stock on the NASDAQ National Market System and thereafter, on the NASDAQ 
Stock Market or other principal trading market or securities exchange on 
which such shares are traded as reported by a

                                       8

                                              Page 37 of 69 Pages

<PAGE>

recognized source within the six-month period immediately preceding the 
effective date of the agreement governing the transaction described in 
Section 7(b) which gave rise to the Substitute Option; PROVIDED, HOWEVER, 
that in the event of a sale of less than all of Issuer's consolidated assets 
or deposit liabilities, the Assigned Value shall be the sum of the price paid 
in such sale for such assets or deposit liabilities and the current market 
value of the remaining consolidated net assets of Issuer as determined by a 
nationally recognized investment banking firm selected by the Holder (or by a 
majority in interest of the Holders if there shall be more than one Holder (a 
"Holder Majority")) and reasonably acceptable to Issuer, divided by the 
number of shares of the Issuer Common Stock outstanding at the time of such 
sale.  In the event that an exchange offer is made for the Issuer Common 
Stock or an agreement is entered into for a merger or consolidation involving 
consideration other than cash, the value of the securities or other property 
issuable or deliverable in exchange for the Issuer Common Stock shall be 
determined by a nationally recognized investment banking firm by Holder (or a 
Holder Majority) and reasonably acceptable to Issuer.

               (iv) "Average Price" shall mean the average closing price 
determined as described above prior to and following the listing of Issuer's 
common stock on the NASDAQ National Market System of a share of the 
Substitute Common Stock for the one year immediately preceding the effective 
date of the consolidation, merger or sale in question, but in no event higher 
than the closing price of the shares of the Substitute Common Stock on the 
day preceding such consolidation, merger or sale; PROVIDED THAT if Issuer is 
the issuer of the Substitute Option, the Average Price shall be computed with 
respect to a share of common stock issued by Issuer, the person merging into 
Issuer or by any company which controls or is controlled by such merging 
person, as Holder may elect.

          (f)  In no event, pursuant to any of the foregoing paragraphs, 
shall the Substitute Option be exercisable for more than nineteen percent 
(19%) of the aggregate of the shares of the Substitute Common Stock 
outstanding prior to exercise of the Substitute Option (with any fractional 
share being rounded up to the next full share).

          (g)  Issuer shall not enter into any transaction described in 
subsection (b) of this Section 7 unless the Acquiring Corporation and any 
person that controls the Acquiring Corporation assume in writing all the 
obligations of Issuer hereunder and take all other actions that may be 
necessary so that the provisions of this Section 7 are given full force and 
effect (including, without limitation, any action that may be necessary so 
that the shares of Substitute Common Stock are in no way distinguishable from 
or have lesser economic value than other shares of common stock issued by the 
Substitute Option Issuer).

          (h)  At the written request of Holder delivered to the Substitute 
Option Issuer prior to the occurrence of an event set forth in Section 3(a) 
above terminating the Substitute Option, the Substitute Option Issuer shall 
repurchase from Holder (i) the Substitute Option and/or (ii) all Substitute 
Common Stock theretofore purchased by Holder pursuant hereto with respect to 
which Holder then has beneficial ownership.  The date on which Holder 
exercises its rights under this Section 7(h) is referred to as the 
"Substitute Option Request

                                       9

                                              Page 38 of 69 Pages

<PAGE>

Date."  Such repurchase shall be at an aggregate price (the "Substitute 
Option Repurchase Consideration") equal to the sum of (A) the excess, if any, 
of (1) the Highest Closing Price (as defined below) for each share of 
Substitute Common Stock over (2) the Substitute Purchase Price per share of 
Substitute Common Stock, multiplied by the number of shares of Substitute 
Common Stock for which the Substitute Option may then be exercised and as to 
which Holder has exercised its repurchase right hereunder, plus (B) the 
Highest Closing Price for each share of Substitute Common Stock multiplied by 
the number of shares of Substitute Common Stock acquired by Holder upon 
exercise of the Option or Substitute Option and as to which Holder has 
exercised its repurchase right hereunder.  The term "Highest Closing Price" 
shall mean the highest bid price per share of Substitute Common Stock as 
quoted by the brokerage firms acting as market makers for the Substitute 
Common Stock prior to the listing of the Substitute Common Stock on any 
national securities exchange and thereafter as reported by the principal 
trading market or securities exchange on which such shares are traded, during 
the sixty (60) business days preceding the Substitute Option Request Date.

          (i)  The provisions of Sections 8(b), 8(c), 9 and 10 shall apply, 
with appropriate adjustments, to any securities for which the Option becomes 
exercisable pursuant to this Section 7 and as applicable, references in such 
sections to "Issuer", "Option", "Purchase Price", "Issuer Common Stock", 
"Repurchase Consideration", and "Request Date" shall be deemed to be 
references to "Substitute Option Issuer", "Substitute Option", "Substitute 
Purchase Price", "Substitute Common Stock", "Substitute Option Repurchase 
Consideration", and "Substitute Option Request Date", respectively.

     8.   REPURCHASE AT THE OPTION OF GRANTEE.

          (a)  At any time after the first occurrence of a Repurchase Event 
(as defined in Section 8(e) below), at the written request of Holder 
delivered to Issuer prior to the occurrence of an event set forth in Section 
3(a) above terminating the Option, Issuer shall repurchase from Holder (i) 
the Option and (ii) all Option Shares theretofore purchased by Holder 
pursuant hereto with respect to which Holder then has beneficial ownership.  
The date on which Holder exercises its rights under this Section 8 is 
referred to as the "Request Date." Such repurchase shall be at an aggregate 
price (the "Repurchase Consideration") equal to the sum of:

               (i)   the aggregate Purchase Price paid by Holder for any 
Option Shares acquired pursuant to the Option with respect to which Holder 
then has beneficial ownership;

               (ii)  the excess, if any, of (A) the Applicable Price (as 
defined below) for each Option Share over (B) the Purchase Price per Option 
Share (subject to adjustment pursuant to Section 7(a)), multiplied by the 
number of Option Shares with respect to which the Option has not been 
exercised; and

                                              Page 39 of 69 Pages

                                       10

<PAGE>

               (iii) the excess, if any, of the Applicable Price over the 
Purchase Price (subject to adjustment pursuant to Section 7(a)) paid (or, in 
the case of Option Shares with respect to which the Option has been exercised 
but the Closing Date has not occurred, payable) by Holder for each Option 
Share with respect to which the Option has been exercised and with respect to 
which Holder then has beneficial ownership, multiplied by the number of such 
shares.

          (b)  If Holder exercises its rights under this Section 8, Issuer 
shall, within ten (10) business days after the Request Date, pay the 
Repurchase Consideration to Holder in immediately available funds, and Holder 
shall surrender to Issuer the Option and the certificates evidencing the 
Option Shares purchased thereunder with respect to which Holder then has 
beneficial ownership and has designated to be repurchased, and Holder shall 
warrant that it has sole record and beneficial ownership of such shares and 
that the same are then free and clear of all liens, claims, charges and 
encumbrances of any kind whatsoever. 

          (c)  Notwithstanding the provisions hereof to the contrary, to the 
extent that Issuer is prohibited under applicable law, regulation or 
administrative policy from repurchasing all or any portion of the Option or 
Option Shares, then (i) Issuer shall promptly give notice of such fact to 
Holder; (ii) Issuer shall, from time to time subject to the last sentence of 
this Section 8(c), deliver to Holder that portion of the Repurchase 
Consideration that it is not then so prohibited from paying; (iii) at 
Holder's request, Issuer shall promptly file any required notice or 
application for approval and expeditiously process the same.  After Holder's 
receipt of such notice from Issuer, Issuer shall not be in breach of its 
repurchase obligation hereunder to the extent it is or remains, despite 
reasonable efforts to obtain any required approvals, legally prohibited from 
repurchasing the Option or Option Shares.  Holder shall have the right (A) to 
revoke its request for repurchase with respect to the portion of the Option 
or Option Shares that Issuer is prohibited from repurchasing, (B) to require 
Issuer to deliver to Holder the Option and/or Option Shares Issuer is 
prohibited from repurchasing, and (C) to exercise the Option as to the number 
of Option Shares for which the Option was exercisable at the Request Date 
less the number of such Option Shares in respect of which the Repurchase 
Consideration has been lawfully paid. Notwithstanding anything herein to the 
contrary, Issuer shall not be obligated to repurchase all or any part of the 
Option or Option Shares pursuant to more than one written request from 
Holder, except that Issuer shall be obligated to repurchase, pursuant to more 
than one written request, any Option or Option Shares in the event that 
Holder (1) has revoked its request for repurchase in accordance with the 
provisions of this Section 8 prior to the occurrence of an event set forth in 
Section 3(a) terminating the Holder's right to exercise the Option and (2) 
has delivered, prior to such event, a new written notice requesting a 
repurchase.  If an event set forth in Section 3(a) terminating the Holder's 
right to exercise the Option occurs prior to, or is scheduled to occur 
within, sixty (60) days after the date of the notice by Issuer described in 
clause 8(c)(i) above, then, notwithstanding the occurrence of such 
terminating event, Holder shall have the right to receive the Repurchase 
Consideration to the extent Issuer is or becomes, within a sixty (60) day 
period from the date of such notice by Issuer, legally permitted to 
repurchase.  Except as set forth in the preceding sentence, Holder's 
repurchase rights under this Agreement shall

                                       11

                                              Page 40 of 69 Pages

<PAGE>

terminate concurrently with the termination of Holder's right to exercise the 
Option, pursuant to Section 3(a).

          (d)  For purposes of this Agreement, the "Applicable Price" means 
the highest of (i) the highest price per share of Issuer Common Stock paid 
for any such share by the person or groups described in Section 8(e)(i), (ii) 
the price per share of Issuer Common Stock received by holders of Issuer 
Common Stock in connection with any merger or other business combination 
transaction described in Section 7(b)(i), 7(b)(ii) or 7(b)(iii), or (iii) the 
highest bid price per share of Issuer Common Stock as quoted by the brokerage 
firms acting as market makers for Issuer's Common Stock prior to the listing 
of Issuer's Common Stock on the NASDAQ National Market System and thereafter 
on the NASDAQ Stock Market or other principal trading market or securities 
exchange on which such shares are traded as reported by a recognized source 
during the sixty (60) business days preceding the Request Date; PROVIDED, 
HOWEVER, that in the event of a sale of less than all of Issuer's assets, the 
Applicable Price shall be the sum of the price paid in such sale for such 
assets or deposit liabilities and the current market value of the remaining 
consolidated net assets of Issuer as determined by a nationally recognized 
investment banking firm selected by Holder (or the Holder Majority) and 
reasonably acceptable to Issuer, divided by the number of shares of the 
Issuer Common Stock outstanding at the time of such sale.  If the 
consideration to be offered, paid or received pursuant to either of the 
foregoing clauses (i) or (ii) shall be other than in cash, the value of such 
consideration shall be determined in good faith by an independent nationally 
recognized investment banking firm selected by Holder (or the Holder 
Majority) and reasonably acceptable to Issuer, which determination shall be 
conclusive for all purposes of this Agreement.

          (e)  As used herein, a "Repurchase Event" shall occur if (i) any 
person (other than Grantee or any subsidiary of Grantee) shall have acquired 
beneficial ownership of (as such term is defined in Rule 13d-3 promulgated 
under the Exchange Act) or the right to acquire beneficial ownership of, or 
any "group" (as such term is defined under the Exchange Act and the rules and 
regulations promulgated thereunder) shall have been formed which beneficially 
owns, or has the right to acquire beneficial ownership of, fifty percent 
(50%) or more of the then outstanding shares of Issuer Common Stock or (ii) 
any of the transactions described in Section 7(b)(i), 7(b)(ii) or 7(b)(iii) 
shall be consummated.

     9.   LISTING.  If Issuer Common Stock or any other securities to be 
acquired upon exercise of the Option are not then authorized for quotation on 
the NASDAQ Stock Market National Market System or any securities exchange, 
Issuer, upon the request of Holder, will promptly file an application to 
authorize for quotation the shares of Issuer Common Stock or other securities 
to be acquired upon exercise of the Option on the NASDAQ Stock Market 
National Market System and will use its best efforts to obtain approval of 
such listing as soon as practicable.

     10.  DIVISION OF OPTION.  This Agreement (and the Option granted hereby) 
are exchangeable, without expense, at the option of Holder, upon presentation 
and surrender of

                                       12

                                              Page 41 of 69 Pages

<PAGE>

this Agreement at the principal office of Issuer for other agreements 
providing for other options of different denominations entitling the holder 
thereof to purchase in the aggregate the same number of shares of Issuer 
Common Stock purchasable hereunder.  The terms "other agreements" and "other 
options" as used in the preceding sentence mean any other agreements and 
related options for which this Agreement (and the Option granted hereby) may 
be exchanged.  Upon receipt by Issuer of evidence reasonably satisfactory to 
it of the loss, theft, destruction or mutilation of this Agreement, and (in 
the case of loss, theft or destruction) of reasonably satisfactory 
indemnification, and upon surrender and cancellation of this Agreement, if 
mutilated, Issuer will execute and deliver a new Agreement of like tenor and 
date.  Any such new Agreement executed and delivered shall constitute an 
additional contractual obligation on the part of Issuer, whether or not the 
Agreement so lost, stolen, destroyed or mutilated shall at any time be 
enforceable by anyone.

     11.  MISCELLANEOUS.

          (a)  EXPENSES.  Except as otherwise provided in Section 9, each of 
the parties hereto and any Holder shall bear and pay all costs and expenses 
incurred by it or on its behalf in connection with the transactions 
contemplated hereunder, including, without limitation, fees and expenses of 
its own financial consultants, investment bankers, accountants and counsel.

          (b)  WAIVER AND AMENDMENT.  Any provision of this Agreement may be 
waived at any time by the party that is entitled to the benefits of such 
provision.  This Agreement may not be modified, amended, altered or 
supplemented except upon the execution and delivery of a written agreement 
executed by the parties hereto.

          (c)  ENTIRE AGREEMENT; NO THIRD-PARTY BENEFICIARY.  This Agreement, 
together with the Reorganization Agreement and the other documents and 
instruments referred to herein and therein (i) constitutes the entire 
agreement and supersedes all prior agreements and understandings, both 
written and oral, between the parties with respect to the subject matter 
hereof and (ii) is not intended to confer upon any person other than the 
parties hereto any rights or remedies hereunder.  

          (d)  SEVERABILITY.  If any term, provision, covenant or restriction 
of this Agreement is held by a court or a federal or state regulatory 
authority of competent jurisdiction to be invalid, void or unenforceable, 
such invalid, void or unenforceable term, provision, covenant or restriction 
shall, if it is so susceptible, be deemed modified to the minimum extent 
necessary to render the same valid and enforceable and, in all events, the 
remainder of the terms, provisions, covenants and restrictions of this 
Agreement shall remain in full force and effect and shall in no way be 
affected, impaired or invalidated. Without limiting the foregoing, if for any 
reason such court or regulatory authority determines that Holder may not 
legally acquire, or Issuer may not legally repurchase, the full number of 
shares of Issuer Common Stock as provided in Sections 3 and 8 (as adjusted 
pursuant to Section 7), it is the express intention of Issuer to allow Holder 
to acquire or to require Issuer

                                       13

                                              Page 42 of 69 Pages

<PAGE>

to repurchase the maximum number of shares as may be legally permissible 
without any amendment or modification hereof.

          (e)  GOVERNING LAW.  This Agreement shall be governed and construed 
in accordance with the laws of the State of California without regard to any 
applicable conflicts of law rules.

          (f)  DESCRIPTIVE HEADINGS.  The descriptive headings contained 
herein are for convenience of reference only and shall not affect in any way 
the meaning or interpretation of this Agreement.

          (g)  NOTICES.  All notices, requests, claims, demands and other 
communications under this Agreement shall be in writing and shall be given 
(and shall be deemed to have been duly received if so given) by personal 
delivery, by telecopy (PROVIDED THAT copy is concurrently sent by first class 
U.S. mail, postage prepaid), or by mail (registered or certified mail, 
postage prepaid, return receipt requested) to the parties as follows:

          If to Issuer:       Cupertino National Bancorp
                              20230 Stevens Creek Boulevard
                              Cupertino, CA  95014
                              Attn:  C. Donald Allen, President
                              Fax No.:  408-996-2465

          If to Grantee:      Mid-Peninsula Bancorp
                              420 Cowper Street
                              Palo Alto, CA  94301-1504
                              Attn:  David L. Kalkbrenner, President
                              Fax No.:  415-323-7421

or to such other address as a party may have furnished to the others in 
writing in accordance with this paragraph, except that notices of change of 
address shall only be effective upon receipt.  Any notice, demand or other 
communication given pursuant to the provisions of this Section 11(g) shall be 
deemed to have been given on the date actually delivered or on the third day 
following the date mailed, whichever first occurs.

          (h)  COUNTERPARTS.  This Agreement and any amendments hereto may be 
executed in two counterparts, each of which shall be considered one and the 
same agreement and shall become effective when both counterparts have been 
signed, it being understood that both parties need not sign the same 
counterpart.

          (i)  ASSIGNMENT.  Neither this Agreement nor any of the rights, 
interests or obligations hereunder or under the Option shall be assigned by 
any of the parties hereto without the prior written consent of the other 
party, except that Grantee may assign this Agreement to a wholly-owned 
subsidiary of Grantee upon compliance with applicable laws.

                                       14

                                              Page 43 of 69 Pages

<PAGE>

Subject to the preceding sentence, this Agreement shall be binding upon, 
inure to the benefit of, and be enforceable by the parties and their 
respective successors and permitted assigns.

          (j)  FURTHER ASSURANCES.  In the event of any exercise of the Option
by Holder, Issuer and Holder shall execute and deliver all other documents and
instruments and take all other action that may be reasonably necessary in order
to consummate the transactions provided for by such exercise.

          (k)  SPECIFIC PERFORMANCE.  The parties hereto agree that this
Agreement may be enforced by either party through specific performance,
injunctive relief and other equitable relief.  Both parties further agree to
waive any requirement for the securing or posting of any bond in connection with
the obtaining of any such equitable relief and that this provision is without
prejudice to any other rights that the parties hereto may have for any failure
to perform this Agreement.


     IN WITNESS WHEREOF, Issuer and Grantee have caused this Stock Option
Agreement to be signed by their respective officers thereunto duly authorized,
all as of the day and year first written above.


CUPERTINO NATIONAL BANCORP         MID-PENINSULA BANCORP


By--------------------             By------------------------------- 
     C. Donald Allen                     David L. Kalkbrenner
     President                           President


                                       15

                                              Page 44 of 69 Pages

<PAGE>


                                  THE TRANSFER OF THIS AGREEMENT IS
                               SUBJECT TO CERTAIN PROVISIONS CONTAINED
                              HEREIN AND TO RESALE RESTRICTIONS UNDER THE
                               SECURITIES ACT OF 1933, AS AMENDED, AND
                                 APPLICABLE STATE SECURITIES LAWS


                                     STOCK OPTION AGREEMENT


     This Stock Option Agreement, dated as of June 25, 1996 (the 
"Agreement"), is made by and between Cupertino National Bancorp, a California 
corporation ("Issuer"), and Mid-Peninsula Bancorp, a California corporation 
("Grantee").

     WHEREAS, Grantee and Issuer have entered into an Agreement and Plan of 
Reorganization and Merger dated June 5, 1996 (the "Reorganization 
Agreement"), providing for, among other things, the merger of Issuer with and 
into Grantee (the "Merger"), with Grantee concurrently changing its name to 
Greater Bay Bancorp and being the surviving corporation; and

     WHEREAS, as a condition and inducement to Grantee's execution of the 
Reorganization Agreement, and in consideration of the grant of the option 
granted pursuant to the Stock Option Agreement, dated the date hereof, 
between Issuer as grantee and Grantee as issuer (the "Reciprocal Option"), 
Issuer has agreed to grant to Grantee the Option (as defined below).

     NOW, THEREFORE, in consideration of the foregoing and the respective 
representations, warranties, covenants and agreements set forth herein and in 
the Reorganization Agreement, and intending to be legally bound hereby, 
Issuer and Grantee agree as follows:

     1.   DEFINED TERMS.  Capitalized terms which are used but not defined 
herein shall have the meanings ascribed to such terms in the Reorganization 
Agreement.  As used in this Agreement, the following terms shall have the 
meanings indicated:

          (a)  "Exchange Act" means the Securities Exchange Act of 1934, as 
amended.

          (b)  "Federal Reserve Board" means the Board of Governors of the 
Federal Reserve System.

          (c)  "Holder" means Grantee and, to the extent Grantee has assigned 
its rights and obligations under this Agreement as permitted herein, any 
subsidiary of Grantee, but only to the extent such entity is the holder of 
rights afforded by this Agreement at the time such rights are exercised or 
otherwise asserted.

                                              Page 45 of 69 Pages

<PAGE>


          (d)  "Person" shall have the meaning specified in Sections 3(a)(9) 
and 13(d)(3) of the Exchange Act and the rules and regulations thereunder.

          (e)  "Securities Act" means the Securities Act of 1933, as amended.

     2.   GRANT OF OPTION.  Subject to the terms and conditions set forth 
herein, Issuer hereby grants to Grantee an irrevocable option (the "Option") 
to purchase up to 361,065 shares (the "Option Shares") of Common Stock, no 
par value ("Issuer Common Stock"), of Issuer at a purchase price per Option 
Share of Fourteen and 80/100 Dollars ($14.80) (the "Purchase Price").  The 
Purchase Price and the number of Option Shares that may be received upon the 
exercise of the Option are subject to adjustment as set forth below.

     3.   EXERCISE OF OPTION.

          (a)  The Holder may exercise the Option, in whole or in part, at 
any time and from time to time following the occurrence of a Purchase Event 
(as defined below); PROVIDED THAT the Option shall terminate and be of no 
further force and effect upon the earliest to occur of:

               (i)   the Effective Time of the Merger; or

               (ii)  12 months after the first occurrence of a Purchase Event; 
or

               (iii) 18 months after the termination of the 
Reorganization Agreement on or following the occurrence of a Preliminary 
Purchase Event (as defined below); or

               (iv)  termination of the Reorganization Agreement in accordance 
with the terms thereof prior to the occurrence of a Purchase Event or a 
Preliminary Purchase Event; or

               (v)   the date on which the Reciprocal Option shall have become 
exercisable, in whole or in part, in accordance with its terms.

Notwithstanding anything to the contrary contained herein, (A) the Option may 
not be exercised at any time when Grantee shall be in breach of any of its 
covenants or agreements contained in the Reorganization Agreement such that 
Issuer shall be entitled (without regard to any grace period provided 
therein) to terminate the Reorganization Agreement pursuant to Section 
12b(xi) thereof, whether or not Issuer shall have so terminated the 
Reorganization Agreement; (B) this Agreement and the Option shall terminate 
automatically upon the termination of the Reorganization Agreement by Issuer 
pursuant to Section 12b(xi) thereof; and (C) any purchase of shares upon 
exercise of the Option shall be subject to compliance with applicable law, 
including, without limitation, the Bank Holding Company Act of 1956, as 
amended.  

                                       2

                                              Page 46 of 69 Pages

<PAGE>

          (b)  As used herein, a "Purchase Event" means any of the following  
    events:

               (i)   The Board of Directors of Issuer shall have approved, or 
recommended to the Issuer's shareholders that they approve, a proposal 
received by Issuer from a person (other than Grantee or any subsidiary of 
Grantee) to effect an Acquisition Transaction (as defined below), Tender 
Offer (as defined below) or Exchange Offer (as defined below); or 

               (ii)  Issuer, without having received Grantee's prior written 
consent, shall have entered into an agreement with any person (other than 
Grantee or any subsidiary of Grantee) to effect an Acquisition Transaction; or

               (iii) any person (other than Grantee or any subsidiary of 
Grantee) shall have acquired beneficial ownership (as such term is defined in 
Rule 13d-3 promulgated under the Exchange Act) of or the right to acquire 
beneficial ownership of, or any "group" (as such term is defined under the 
Exchange Act and the rules and regulations promulgated thereunder) shall have 
been formed which beneficially owns or has the right to acquire beneficial 
ownership of fifteen percent (15%) or more of the then outstanding shares of 
Issuer Common Stock.

As used herein, the term "Acquisition Transaction" shall mean (A) a merger, 
consolidation or similar transaction involving Issuer or any of its 
subsidiaries (other than internal mergers, reorganizations, consolidations or 
dissolutions involving only Issuer and/or existing subsidiaries and other 
than a merger, consolidation or similar transaction in which the common 
shareholders of Issuer immediately prior thereto in the aggregate own at 
least seventy-five percent (75%) of the common stock of the surviving or 
successor corporation immediately after the consummation thereof), (B) the 
disposition, by sale, lease, exchange or otherwise, of fifteen (15%) or more 
of the consolidated assets or deposit liabilities of Issuer and its 
subsidiaries, or (C) a purchase or other acquisition (including by way of 
merger, consolidation, share exchange or any similar transaction), other than 
by Issuer or its subsidiaries, of securities representing fifteen percent 
(15%) or more of the voting power of Issuer or any of its subsidiaries.

          (c)  As used herein, a "Preliminary Purchase Event" means any of 
the following events:

               (i)  any person (other than Grantee or any subsidiary of 
Grantee) shall have acquired beneficial ownership of, or the right to acquire 
beneficial ownership of, or any "group" (as defined under the Exchange Act 
and the rules and regulations thereunder) shall have been formed which 
beneficially owns or has the right to acquire beneficial ownership of, ten 
percent (10%) or more of the then outstanding shares of Issuer Common Stock; 
or

                                       3

                                              Page 47 of 69 Pages

<PAGE>



               (ii)  any person (other than Grantee or any subsidiary of 
Grantee) shall have commenced (as such term is defined in Rule 14d-2 under 
the Exchange Act), or shall have filed a registration statement under the 
Securities Act with respect to, a tender offer or exchange offer to purchase 
any shares of Issuer Common Stock such that, upon consummation of such offer, 
such person would own or control ten percent (10%) or more of the then 
outstanding shares of Issuer Common Stock (such an offer being referred to 
herein as a "Tender Offer" or an "Exchange Offer", respectively); or

               (iii) Issuer, without having received Grantee's prior 
written consent, shall have entered into an agreement with any person (other 
than Grantee or any subsidiary of Grantee) with respect to, or the Board of 
Directors of Issuer shall have recommended that the shareholders of Issuer 
approve or accept, a purchase or other acquisition (including by way of 
merger, consolidation, share exchange or any similar transaction), other than 
by Issuer or its subsidiaries, representing ten percent (10%) or more of the 
voting power of Issuer or any of its subsidiaries; or

               (iv)  any person (other than Grantee or any subsidiary of 
Grantee) shall have filed an application or notice with the Federal Reserve 
Board or other federal or state regulatory authority, which application or 
notice has been accepted for processing, for approval to engage in an 
Acquisition Transaction; or

               (v)   the holders of Issuer Common Stock shall not have 
approved the Reorganization Agreement at the meeting of such shareholders 
held for the purpose of voting on the Reorganization Agreement, such meeting 
shall not have been held or shall have been canceled prior to termination of 
the Reorganization Agreement, or Issuer's Board of Directors shall have 
withdrawn or modified in a manner adverse to Grantee the recommendation of 
Issuer's Board of Directors with respect to the Reorganization Agreement, in 
each case after it shall have been publicly announced that any person (other 
than Grantee or any subsidiary of Grantee) shall have (A) made or disclosed 
an intention to make a proposal to engage in an Acquisition Transaction or 
(B) commenced a Tender Offer or filed a registration statement under the 
Securities Act with respect to an Exchange Offer.

          (d)  Issuer shall notify Grantee promptly in writing of the 
occurrence of any Purchase Event or Preliminary Purchase Event; PROVIDED, 
HOWEVER, such notice shall not be a condition to the right of the Holder to 
exercise the Option.

          (e)  In the event Holder wishes to exercise the Option, it shall 
send to Issuer a written notice (dated the date on which it is sent to 
Issuer, which date is referred to as the "Notice Date") specifying (i) the 
total number of Option Shares it intends to purchase pursuant to such 
exercise and (ii) a date not earlier than three (3) business days nor later 
than fifteen (15) business days from the Notice Date for the closing (the 
"Closing") of such purchase (the "Closing Date").  The Closing shall be held 
at the Issuer's principal office or at such other place as Issuer and Holder 
may agree.  If prior notification to or approval of the Federal Reserve Board 
or any other regulatory authority is required as a condition precedent

                                       4

                                              Page 48 of 69 Pages

<PAGE>

to such purchase, then (A) Holder shall promptly file and process the 
required notice or application for approval; (B) Issuer shall cooperate with 
Holder in the filing of the required notice or application for approval and 
the obtaining of any such approval; and (C) the Closing Date shall be subject 
to extension for such period of time, not to exceed six (6) months, as may be 
necessary to permit the Holder to submit such filing to, and, if necessary, 
to obtain such approval from, the Federal Reserve Board or other applicable 
regulatory authority; PROVIDED, HOWEVER, that the notice of Option exercise 
and such governmental filing must be made, and the Notice Date must be, no 
later than the date on which the Option would otherwise terminate.  Any 
exercise of the Option shall be deemed to have occurred on the Notice Date.

     4.   PAYMENT AND DELIVERY OF CERTIFICATES.

          (a)  On each Closing Date, Holder shall (i) pay to Issuer, in 
immediately available funds by wire transfer to a bank account designated by 
Issuer, an amount equal to the Purchase Price multiplied by the number of 
Option Shares to be purchased on such Closing Date and (ii) present and 
surrender this Agreement to the Issuer at the address of the Issuer specified 
in Section 11(g) hereof.

          (b)  At each Closing, simultaneously with the delivery of 
immediately available funds and surrender of this Agreement as provided in 
Section 4(a), (i) Issuer shall deliver to Holder (A) a certificate or 
certificates representing the Option Shares to be purchased at such Closing, 
which Option Shares shall be free and clear of all liens, claims, charges and 
encumbrances of any kind whatsoever, and (B) if the Option is exercised in 
part only, an executed new agreement with the same terms as this Agreement 
evidencing the right to purchase the balance of the shares of Issuer Common 
Stock purchasable hereunder; and (ii) Holder shall deliver to Issuer a letter 
agreeing that Holder shall not offer to sell or otherwise dispose of such 
Option Shares in violation of the provisions of this Agreement or applicable 
state and federal securities laws.

          (c)  Certificates for the Option Shares delivered at each Closing 
shall be endorsed with a restrictive legend which shall read substantially as 
follows:

     THE SECURITIES EVIDENCED BY THIS CERTIFICATE HAVE NOT BEEN REGISTERED
     UNDER THE SECURITIES ACT OF 1933, AS AMENDED (THE "ACT") OR QUALIFIED
     OR REGISTERED UNDER THE SECURITIES LAWS OF ANY STATE.  THEY MAY NOT BE
     SOLD OR TRANSFERRED EXCEPT PURSUANT TO AN EFFECTIVE REGISTRATION
     STATEMENT UNDER THE ACT AND UNTIL THEY HAVE BEEN QUALIFIED OR
     REGISTERED UNDER APPLICABLE STATE SECURITIES LAWS, UNLESS THE ISSUER
     RECEIVES AN OPINION OF COUNSEL FOR THE HOLDER OF THESE SECURITIES,
     REASONABLY SATISFACTORY TO THE ISSUER, STATING THAT SUCH SALE OR
     TRANSFER IS EXEMPT FROM THE REGISTRATION AND PROSPECTUS DELIVERY
     REQUIREMENTS OF THE ACT AND ANY APPLICABLE STATE SECURITIES LAWS.  THE
     TRANSFER OF THE

                                       5

                                              Page 49 of 69 Pages

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     SECURITIES REPRESENTED BY THIS CERTIFICATE IS ALSO
     SUBJECT TO RESALE RESTRICTIONS ARISING UNDER THE TERMS OF A STOCK
     OPTION AGREEMENT DATED AS OF JUNE 5, 1996, A COPY OF WHICH IS
     AVAILABLE FOR INSPECTION AT THE OFFICE OF THE SECRETARY OF THE ISSUER.

It is understood and agreed that the above legend shall be removed by 
delivery of substitute certificate(s) without such legend if Holder shall 
have delivered to Issuer a copy of a letter from the staff of the SEC, or an 
opinion of counsel in form and substance reasonably satisfactory to Issuer 
and its counsel, to the effect that such legend is not required for purposes 
of the Securities Act or applicable state securities laws.

     5.   REPRESENTATIONS AND WARRANTIES OF ISSUER.  Issuer hereby represents 
and warrants to Grantee as follows:

          (a)  DUE AUTHORIZATION.  Issuer has all requisite corporate power 
and authority to enter into this Agreement and, subject to any approvals 
referred to herein, to consummate the transactions contemplated hereby.  The 
execution and delivery of this Agreement and the consummation of the 
transactions contemplated hereby have been duly authorized by all necessary 
corporate action on the part of Issuer.  This Agreement has been duly 
executed and delivered by Issuer.

          (b)  AUTHORIZED STOCK.  Issuer has taken all necessary corporate 
action to authorize and reserve and to permit it to issue, and, at all times 
from the date hereof until the obligation to deliver Issuer Common Stock upon 
the exercise of the Option terminates, will have reserved for issuance, upon 
exercise of the Option, shares of Issuer Common Stock necessary for Holder to 
exercise the Option, and Issuer will take all necessary corporate action to 
authorize and reserve for issuance all additional shares of Issuer Common 
Stock or other securities which may be issued pursuant to Section 7 upon 
exercise of the Option.  The shares of Issuer Common Stock to be issued upon 
due exercise of the Option, including all additional shares of Issuer Common 
Stock or other securities which may be issuable pursuant to Section 7, upon 
issuance pursuant hereto, shall be duly and validly issued, fully paid and 
nonassessable, and shall be delivered free and clear of all liens, claims, 
charges and encumbrances of any kind or nature whatsoever, including any 
preemptive rights of any stockholder of Issuer.

     6.   REPRESENTATIONS AND WARRANTIES OF GRANTEE.  Grantee hereby 
represents and warrants to Issuer that:

          (a)  DUE AUTHORIZATION.  Grantee has all requisite corporate power 
and authority to enter into this Agreement and, subject to any approvals or 
consents referred to herein, to consummate the transactions contemplated 
hereby.  The execution and delivery of this Agreement and the consummation of 
the transactions contemplated hereby have been duly

                                       6

                                              Page 50 of 69 Pages

<PAGE>

authorized by all necessary corporate action on the part of Grantee.  This 
Agreement has been duly executed and delivered by Grantee.

          (b)  PURCHASE NOT FOR DISTRIBUTION.  This Option is not being, and 
any Option Shares or other securities acquired by Grantee upon exercise of 
the Option will not be, acquired with a view to the public distribution 
thereof and will not be transferred or otherwise disposed of except in a 
transaction registered or exempt from registration under the Securities Act 
and applicable state securities laws.

     7.   ADJUSTMENT UPON CHANGES IN CAPITALIZATION, ETC.

          (a)  In the event of any change in Issuer Common Stock by reason of 
a stock dividend, stock split, split-up, recapitalization, combination, 
exchange of shares or similar transaction, the type and number of shares or 
securities subject to the Option, and the Purchase Price therefor, shall be 
adjusted appropriately, and proper provision shall be made in the 
documentation pertaining to such transaction so that Holder shall receive, 
upon exercise of the Option, the number and class of shares or other 
securities or property that Holder would have received in respect of Issuer 
Common Stock if the Option had been exercised immediately prior to such 
event, or the record date therefor, as applicable.  If any additional shares 
of Issuer Common Stock are issued after the date of this Agreement (whether 
upon exercise of stock options or otherwise but excluding any issuance 
pursuant to an event described in the first sentence of this Section 7(a)), 
the number of shares of Issuer Common Stock subject to the Option shall be 
adjusted so that, after such issuance, such number of shares, together with 
any shares of Issuer Common Stock previously issued pursuant hereto, equals 
nineteen percent (19%) of the number of shares of Issuer Common Stock then 
issued and outstanding, without giving effect to any shares subject to or 
issued pursuant to the Option (with any fractional share being rounded up to 
the next full share).  Issuer agrees that in no event shall the number of 
shares of Issuer Common Stock issued after the date of this Agreement 
pursuant to the preceding sentence, together with the number of shares of 
Issuer Common Stock subject to the Option, adjusted as aforesaid, exceed the 
number of available authorized but unissued and unreserved shares of Issuer 
Common Stock.

          (b)  In the event that Issuer shall, prior to the occurrence of an 
event set forth in Section 3(a) terminating the Holder's right to exercise 
the Option, enter into an agreement (i) to consolidate with or merge into any 
person, other than Grantee or one of its subsidiaries, and shall not be the 
continuing or surviving corporation of such consolidation or merger, (ii) to 
permit any person, other than Grantee or one of its subsidiaries, to merge 
into Issuer and Issuer shall be the continuing or surviving corporation, but, 
in connection with such merger, the then outstanding shares of Issuer Common 
Stock shall be changed into or exchanged for stock or other securities of 
Issuer or any other person or cash or any other property or the outstanding 
shares of Issuer Common Stock immediately prior to such merger shall after 
such merger represent less than fifty percent (50%) of the outstanding shares 
and share equivalents of the merged company, or (iii) to sell or otherwise 
transfer all or substantially all of its consolidated assets or deposit 
liabilities to any person other than

                                       7

                                              Page 51 of 69 Pages

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Grantee or one of its subsidiaries, then, and in each such case, the 
agreement governing such transaction shall make proper provisions so that the 
Option shall, upon the consummation of any such transaction and upon the 
terms and conditions set forth herein, be converted into, or exchanged for, 
an option (the "Substitute Option"), at the election of Grantee, of either 
(A) the Acquiring Corporation (as defined below), or (B) any person that 
controls the Acquiring Corporation, (such person being referred to as the 
"Substitute Option Issuer").

          (c)  The Substitute Option shall have the same terms as the Option, 
PROVIDED THAT if the terms of the Substitute Option cannot, for legal 
reasons, be the same as the Option, such terms shall be as similar as 
possible and in no event less advantageous to Grantee.  The Substitute Option 
Issuer shall also enter into an agreement with the then holder or holders of 
the Substitute Option in substantially the same form as this Agreement (after 
giving effect for such purposes to the provisions of this Agreement), which 
shall be applicable to the Substitute Option.

          (d)  The Substitute Option shall be exercisable for such number of 
shares of the Substitute Common Stock (as is hereinafter defined) as is equal 
to the Assigned Value (as is hereinafter defined) multiplied by the number of 
shares of the Issuer Common Stock for which the Option was theretofore 
exercisable, divided by the Average Price (as is hereinafter defined).  The 
exercise price of the Substitute Option per share of the Substitute Common 
Stock (the "Substitute Purchase Price") shall then be equal to the Purchase 
Price multiplied by a fraction in which the numerator is the number of shares 
of the Issuer Common Stock for which the Option was theretofore exercisable 
and the denominator is the number of shares of the Substitute Common Stock 
for which the Substitute Option is exercisable.

          (e)  As used herein, the following terms have the meanings indicated:

               (i)   "Acquiring Corporation" shall mean (A) the continuing or 
surviving corporation of a consolidation or merger with Issuer (if other than 
Issuer), (B) Issuer in a merger in which Issuer is the continuing or 
surviving person, and (C) the transferee of all or any substantial part of 
the Issuer's assets (or the assets of its subsidiaries).

               (ii)  "Substitute Common Stock" shall mean the common stock 
issued by the Substitute Option Issuer upon exercise of the Substitute Option.

               (iii) "Assigned Value" shall mean the highest of (A) the 
price per share of the Issuer Common Stock at which a Tender Offer or 
Exchange Offer therefor has been made by any person (other than Grantee or a 
subsidiary of Grantee), (B) the price per share of the Issuer Common Stock to 
be paid by any person (other than Grantee or a subsidiary of Grantee) 
pursuant to an agreement with Issuer, and (C) the highest closing price per 
share of Issuer Common Stock as quoted on the principal trading market or 
securities exchange on which such shares are traded as reported by a 
recognized source within the six-month period immediately preceding the 
effective date of the agreement governing the transaction described in 
Section 7(b) which gave rise to the Substitute Option; PROVIDED,

                                       8

                                              Page 52 of 69 Pages

<PAGE>

HOWEVER, that in the event of a sale of less than all of Issuer's 
consolidated assets or deposit liabilities, the Assigned Value shall be the 
sum of the price paid in such sale for such assets or deposit liabilities and 
the current market value of the remaining consolidated net assets of Issuer 
as determined by a nationally recognized investment banking firm selected by 
the Holder (or by a majority in interest of the Holders if there shall be 
more than one Holder (a "Holder Majority")) and reasonably acceptable to 
Issuer, divided by the number of shares of the Issuer Common Stock 
outstanding at the time of such sale.  In the event that an exchange offer is 
made for the Issuer Common Stock or an agreement is entered into for a merger 
or consolidation involving consideration other than cash, the value of the 
securities or other property issuable or deliverable in exchange for the 
Issuer Common Stock shall be determined by a nationally recognized investment 
banking firm by Holder (or a Holder Majority) and reasonably acceptable to 
Issuer.

               (iv) "Average Price" shall mean the average closing price of a 
share of the Substitute Common Stock for the one year immediately preceding 
the effective date of the consolidation, merger or sale in question, but in 
no event higher than the closing price of the shares of the Substitute Common 
Stock on the day preceding such consolidation, merger or sale; PROVIDED THAT 
if Issuer is the issuer of the Substitute Option, the Average Price shall be 
computed with respect to a share of common stock issued by Issuer, the person 
merging into Issuer or by any company which controls or is controlled by such 
merging person, as Holder may elect.

          (f)  In no event, pursuant to any of the foregoing paragraphs, 
shall the Substitute Option be exercisable for more than nineteen percent 
(19%) of the aggregate of the shares of the Substitute Common Stock 
outstanding prior to exercise of the Substitute Option (with any fractional 
share being rounded up to the next full share).

          (g)  Issuer shall not enter into any transaction described in 
subsection (b) of this Section 7 unless the Acquiring Corporation and any 
person that controls the Acquiring Corporation assume in writing all the 
obligations of Issuer hereunder and take all other actions that may be 
necessary so that the provisions of this Section 7 are given full force and 
effect (including, without limitation, any action that may be necessary so 
that the shares of Substitute Common Stock are in no way distinguishable from 
or have lesser economic value than other shares of common stock issued by the 
Substitute Option Issuer).

          (h)  At the written request of Holder delivered to the Substitute 
Option Issuer prior to the occurrence of an event set forth in Section 3(a) 
above terminating the Substitute Option, the Substitute Option Issuer shall 
repurchase from Holder (i) the Substitute Option and/or (ii) all Substitute 
Common Stock theretofore purchased by Holder pursuant hereto with respect to 
which Holder then has beneficial ownership.  The date on which Holder 
exercises its rights under this Section 7(h) is referred to as the 
"Substitute Option Request Date."  Such repurchase shall be at an aggregate 
price (the "Substitute Option Repurchase Consideration") equal to the sum of 
(A) the excess, if any, of (1) the Highest Closing Price (as defined below) 
for each share of Substitute Common Stock over (2) the Substitute

                                       9

                                              Page 53 of 69 Pages

<PAGE>

Purchase Price per share of Substitute Common Stock, multiplied by the number 
of shares of Substitute Common Stock for which the Substitute Option may then 
be exercised and as to which Holder has exercised its repurchase right 
hereunder, plus (B) the Highest Closing Price for each share of Substitute 
Common Stock multiplied by the number of shares of Substitute Common Stock 
acquired by Holder upon exercise of the Option or Substitute Option and as to 
which Holder has exercised its repurchase right hereunder.  The term "Highest 
Closing Price" shall mean the highest bid price per share of Substitute 
Common Stock as quoted by the brokerage firms acting as market makers for the 
Substitute Common Stock prior to the listing of the Substitute Common Stock 
on any national securities exchange and thereafter as reported by the 
principal trading market or securities exchange on which such shares are 
traded, during the sixty (60) business days preceding the Substitute Option 
Request Date.

          (i)  The provisions of Sections 8(b), 8(c), 9 and shall apply, with 
appropriate adjustments, to any securities for which the Option becomes 
exercisable pursuant to this Section 7 and as applicable, references in such 
sections to "Issuer", "Option", "Purchase Price", "Issuer Common Stock", 
"Repurchase Consideration", and "Request Date" shall be deemed to be 
references to "Substitute Option Issuer", "Substitute Option", "Substitute 
Purchase Price", "Substitute Common Stock", "Substitute Option Repurchase 
Consideration", and "Substitute Option Request Date", respectively.

     8.   REPURCHASE AT THE OPTION OF GRANTEE.

          (a)  At any time after the first occurrence of a Repurchase Event 
(as defined in Section 8(e) below), at the written request of Holder 
delivered to Issuer prior to the occurrence of an event set forth in Section 
3(a) above terminating the Option, Issuer shall repurchase from Holder (i) 
the Option and (ii) all Option Shares theretofore purchased by Holder 
pursuant hereto with respect to which Holder then has beneficial ownership.  
The date on which Holder exercises its rights under this Section 8 is 
referred to as the "Request Date." Such repurchase shall be at an aggregate 
price (the "Repurchase Consideration") equal to the sum of:

               (i)   the aggregate Purchase Price paid by Holder for any 
Option Shares acquired pursuant to the Option with respect to which Holder 
then has beneficial ownership;

               (ii)  the excess, if any, of (A) the Applicable Price (as 
defined below) for each Option Share over (B) the Purchase Price per Option 
Share (subject to adjustment pursuant to Section 7(a)), multiplied by the 
number of Option Shares with respect to which the Option has not been 
exercised; and

               (iii) the excess, if any, of the Applicable Price over the 
Purchase Price (subject to adjustment pursuant to Section 7(a)) paid (or, in 
the case of Option Shares with respect to which the Option has been 
exercised but the Closing Date has not occurred, payable) by Holder for each 
Option Share with respect to which the Option has been

                                       10

                                              Page 54 of 69 Pages

<PAGE>

exercised and with respect to which Holder then has beneficial ownership, 
multiplied by the number of such shares.

          (b)  If Holder exercises its rights under this Section 8, Issuer 
shall, within ten (10) business days after the Request Date, pay the 
Repurchase Consideration to Holder in immediately available funds, and Holder 
shall surrender to Issuer the Option and the certificates evidencing the 
Option Shares purchased thereunder with respect to which Holder then has 
beneficial ownership and has designated to be repurchased, and Holder shall 
warrant that it has sole record and beneficial ownership of such shares and 
that the same are then free and clear of all liens, claims, charges and 
encumbrances of any kind whatsoever. 

          (c)  Notwithstanding the provisions hereof to the contrary, to the 
extent that Issuer is prohibited under applicable law, regulation or 
administrative policy from repurchasing all or any portion of the Option or 
Option Shares, then (i) Issuer shall promptly give notice of such fact to 
Holder; (ii) Issuer shall, from time to time subject to the last sentence of 
this Section 8(c), deliver to Holder that portion of the Repurchase 
Consideration that it is not then so prohibited from paying; (iii) at 
Holder's request, Issuer shall promptly file any required notice or 
application for approval and expeditiously process the same.  After Holder's 
receipt of such notice from Issuer, Issuer shall not be in breach of its 
repurchase obligation hereunder to the extent it is or remains, despite 
reasonable efforts to obtain any required approvals, legally prohibited from 
repurchasing the Option or Option Shares.  Holder shall have the right (A) to 
revoke its request for repurchase with respect to the portion of the Option 
or Option Shares that Issuer is prohibited from repurchasing, (B) to require 
Issuer to deliver to Holder the Option and/or Option Shares Issuer is 
prohibited from repurchasing, and (C) to exercise the Option as to the number 
of Option Shares for which the Option was exercisable at the Request Date 
less the number of such Option Shares in respect of which the Repurchase 
Consideration has been lawfully paid. Notwithstanding anything herein to the 
contrary, Issuer shall not be obligated to repurchase all or any part of the 
Option or Option Shares pursuant to more than one written request from 
Holder, except that Issuer shall be obligated to repurchase, pursuant to more 
than one written request, any Option or Option Shares in the event that 
Holder (1) has revoked its request for repurchase in accordance with the 
provisions of this Section 8 prior to the occurrence of an event set forth in 
Section 3(a) terminating the Holder's right to exercise the Option and (2) 
has delivered, prior to such event, a new written notice requesting a 
repurchase.  If an event set forth in Section 3(a) terminating the Holder's 
right to exercise the Option occurs prior to, or is scheduled to occur 
within, sixty (60) days after the date of the notice by Issuer described in 
clause 8(c)(i) above, then, notwithstanding the occurrence of such 
terminating event, Holder shall have the right to receive the Repurchase 
Consideration to the extent Issuer is or becomes, within a sixty (60) day 
period from the date of such notice by Issuer, legally permitted to 
repurchase.  Except as set forth in the preceding sentence, Holder's 
repurchase rights under this Agreement shall terminate concurrently with the 
termination of Holder's right to exercise the Option, pursuant to Section 
3(a).

                                       11

                                              Page 55 of 69 Pages

<PAGE>

          (d)  For purposes of this Agreement, the "Applicable Price" means 
the highest of (i) the highest price per share of Issuer Common Stock paid 
for any such share by the person or groups described in Section 8(e)(i), (ii) 
the price per share of Issuer Common Stock received by holders of Issuer 
Common Stock in connection with any merger or other business combination 
transaction described in Section 7(b)(i), 7(b)(ii) or 7(b)(iii), or (iii) the 
highest closing price per share of Issuer Common Stock as quoted on the 
principal trading market or securities exchange on which such shares are 
traded as reported by a recognized source during the sixty (60) business days 
preceding the Request Date; PROVIDED, HOWEVER, that in the event of a sale of 
less than all of Issuer's assets, the Applicable Price shall be the sum of 
the price paid in such sale for such assets or deposit liabilities and the 
current market value of the remaining consolidated net assets of Issuer as 
determined by a nationally recognized investment banking firm selected by 
Holder (or the Holder Majority) and reasonably acceptable to Issuer, divided 
by the number of shares of the Issuer Common Stock outstanding at the time of 
such sale.  If the consideration to be offered, paid or received pursuant to 
either of the foregoing clauses (i) or (ii) shall be other than in cash, the 
value of such consideration shall be determined in good faith by an 
independent nationally recognized investment banking firm selected by Holder 
(or the Holder Majority) and reasonably acceptable to Issuer, which 
determination shall be conclusive for all purposes of this Agreement.

          (e)  As used herein, a "Repurchase Event" shall occur if (i) any 
person (other than Grantee or any subsidiary of Grantee) shall have acquired 
beneficial ownership of (as such term is defined in Rule 13d-3 promulgated 
under the Exchange Act) or the right to acquire beneficial ownership of, or 
any "group" (as such term is defined under the Exchange Act and the rules and 
regulations promulgated thereunder) shall have been formed which beneficially 
owns, or has the right to acquire beneficial ownership of, fifty percent 
(50%) or more of the then outstanding shares of Issuer Common Stock or (ii) 
any of the transactions described in Section 7(b)(i), 7(b)(ii) or 7(b)(iii) 
shall be consummated.

     9.   LISTING.  If Issuer Common Stock or any other securities to be 
acquired upon exercise of the Option are not then authorized for quotation on 
the NASDAQ Stock Market National Market System or any securities exchange, 
Issuer, upon the request of Holder, will promptly file an application to 
authorize for quotation the shares of Issuer Common Stock or other securities 
to be acquired upon exercise of the Option on the NASDAQ Stock Market 
National Market System or such other securities exchange and will use its 
best efforts to obtain approval of such listing as soon as practicable.

     10.  DIVISION OF OPTION.  This Agreement (and the Option granted hereby) 
are exchangeable, without expense, at the option of Holder, upon presentation 
and surrender of this Agreement at the principal office of Issuer for other 
agreements providing for other options of different denominations entitling 
the holder thereof to purchase in the aggregate the same number of shares of 
Issuer Common Stock purchasable hereunder.  The terms "other agreements" and 
"other options" as used in the preceding sentence mean any other agreements 
and related options for which this Agreement (and the Option granted hereby) 
may be

                                       12

                                              Page 56 of 69 Pages

<PAGE>

exchanged.  Upon receipt by Issuer of evidence reasonably satisfactory 
to it of the loss, theft, destruction or mutilation of this Agreement, and 
(in the case of loss, theft or destruction) of reasonably satisfactory 
indemnification, and upon surrender and cancellation of this Agreement, if 
mutilated, Issuer will execute and deliver a new Agreement of like tenor and 
date.  Any such new Agreement executed and delivered shall constitute an 
additional contractual obligation on the part of Issuer, whether or not the 
Agreement so lost, stolen, destroyed or mutilated shall at any time be 
enforceable by anyone.

     11.  MISCELLANEOUS.

          (a)  EXPENSES.  Except as otherwise provided in Section 9, each of 
the parties hereto and any Holder shall bear and pay all costs and expenses 
incurred by it or on its behalf in connection with the transactions 
contemplated hereunder, including, without limitation, fees and expenses of 
its own financial consultants, investment bankers, accountants and counsel.

          (b)  WAIVER AND AMENDMENT.  Any provision of this Agreement may be 
waived at any time by the party that is entitled to the benefits of such 
provision.  This Agreement may not be modified, amended, altered or 
supplemented except upon the execution and delivery of a written agreement 
executed by the parties hereto.

          (c)  ENTIRE AGREEMENT; NO THIRD-PARTY BENEFICIARY.  This Agreement, 
together with the Reorganization Agreement and the other documents and 
instruments referred to herein and therein (i) constitutes the entire 
agreement and supersedes all prior agreements and understandings, both 
written and oral, between the parties with respect to the subject matter 
hereof and (ii) is not intended to confer upon any person other than the 
parties hereto any rights or remedies hereunder.  

          (d)  Severability.  If any term, provision, covenant or restriction 
of this Agreement is held by a court or a federal or state regulatory 
authority of competent jurisdiction to be invalid, void or unenforceable, 
such invalid, void or unenforceable term, provision, covenant or restriction 
shall, if it is so susceptible, be deemed modified to the minimum extent 
necessary to render the same valid and enforceable and, in all events, the 
remainder of the terms, provisions, covenants and restrictions of this 
Agreement shall remain in full force and effect and shall in no way be 
affected, impaired or invalidated. Without limiting the foregoing, if for any 
reason such court or regulatory authority determines that Holder may not 
legally acquire, or Issuer may not legally repurchase, the full number of 
shares of Issuer Common Stock as provided in Sections 3 and 8 (as adjusted 
pursuant to Section 7), it is the express intention of Issuer to allow Holder 
to acquire or to require Issuer to repurchase the maximum number of shares as 
may be legally permissible without any amendment or modification hereof.

                                       13

                                              Page 57 of 69 Pages

<PAGE>


          (e)  GOVERNING LAW.  This Agreement shall be governed and construed 
in accordance with the laws of the State of California without regard to any 
applicable conflicts of law rules.

          (f)  DESCRIPTIVE HEADINGS.  The descriptive headings contained 
herein are for convenience of reference only and shall not affect in any way 
the meaning or interpretation of this Agreement.

          (g)  NOTICES.  All notices, requests, claims, demands and other 
communications under this Agreement shall be in writing and shall be given 
(and shall be deemed to have been duly received if so given) by personal 
delivery, by telecopy (PROVIDED THAT copy is concurrently sent by first class 
U.S. mail, postage prepaid), or by mail (registered or certified mail, 
postage prepaid, return receipt requested) to the parties as follows:

          If to Issuer:       Cupertino National Bancorp
                              20230 Stevens Creek Boulevard
                              Cupertino, CA  95014
                              Attn:  C. Donald Allen, President
                              Fax No.:  408-996-2465

          If to Grantee:      Mid-Peninsula Bancorp
                              420 Cowper Street
                              Palo Alto, CA  94301-1504
                              Attn:  David L. Kalkbrenner, President
                              Fax No.:  415-323-7421

or to such other address as a party may have furnished to the others in 
writing in accordance with this paragraph, except that notices of change of 
address shall only be effective upon receipt.  Any notice, demand or other 
communication given pursuant to the provisions of this Section 11(g) shall be 
deemed to have been given on the date actually delivered or on the third day 
following the date mailed, whichever first occurs.

          (h)  COUNTERPARTS.  This Agreement and any amendments hereto may be 
executed in two counterparts, each of which shall be considered one and the 
same agreement and shall become effective when both counterparts have been 
signed, it being understood that both parties need not sign the same 
counterpart.

          (i)  ASSIGNMENT.  Neither this Agreement nor any of the rights, 
interests or obligations hereunder or under the Option shall be assigned by 
any of the parties hereto without the prior written consent of the other 
party, except that Grantee may assign this Agreement to a wholly-owned 
subsidiary of Grantee upon compliance with applicable laws.  Subject to the 
preceding sentence, this Agreement shall be binding upon, inure to the 
benefit of, and be enforceable by the parties and their respective successors 
and permitted assigns.

                                       14

                                              Page 58 of 69 Pages

<PAGE>

          (j)  FURTHER ASSURANCES.  In the event of any exercise of the 
Option by Holder, Issuer and Holder shall execute and deliver all other 
documents and instruments and take all other action that may be reasonably 
necessary in order to consummate the transactions provided for by such 
exercise.

          (k)  SPECIFIC PERFORMANCE.  The parties hereto agree that this 
Agreement may be enforced by either party through specific performance, 
injunctive relief and other equitable relief.  Both parties further agree to 
waive any requirement for the securing or posting of any bond in connection 
with the obtaining of any such equitable relief and that this provision is 
without prejudice to any other rights that the parties hereto may have for 
any failure to perform this Agreement.

     IN WITNESS WHEREOF, Issuer and Grantee have caused this Stock Option 
Agreement to be signed by their respective officers thereunto duly 
authorized, all as of the day and year first written above.

CUPERTINO NATIONAL BANCORP         MID-PENINSULA BANCORP


By--------------------             By-----------------------------
     C. Donald Allen                     David L. Kalkbrenner
     President                           President


                                       15

                                              Page 59 of 69 Pages


<PAGE>

                                  EXHIBIT 10.4


                                  [LETTERHEAD]



                                              PERSONAL AND CONFIDENTIAL


May 28, 1996


Mid-Peninsula Bancorp
420 Cowper Street
Palo Alto, CA 94301

Attention:   Mr. David L. Kalkbrenner
             President & Chief Executive Officer

Dear David:

1.   This letter is to confirm our understanding that Mid-Peninsula Bancorp 
     ("Mid-Peninsula" or the "Company") or any successor corporation has 
     retained Alex. Brown & Sons Incorporated ("Alex. Brown") to act as 
     Mid-Peninsula's financial advisor and to assist Mid-Peninsula in 
     assessing the impact of, and the opportunities created by, the changing 
     environment among financial institutions. In this capacity, Alex. Brown 
     will provide financial advice to you as you deem necessary and analyze 
     alternative strategies, including acquisitions, mergers or other forms 
     of business combinations involving Mid-Peninsula. Specifically, Alex. 
     Brown will render the following general advisory services to the 
     Company:
     
     - Evaluation and complete financial analysis of acquisition 
       opportunities including, but not limited to, acquisitions of commercial 
       banks, thrift institutions, individual branches and non-depository 
       institutions.

     - Development of an acquisition strategy for Mid-Peninsula, including 
       assistance on such matters as the development of approach tactics to 
       each target institution, valuation, pro forma financial modeling and 
       analysis, negotiations, reviewing the financing alternatives for each 
       transaction and assistance in the handling of investor relations.

     - A full review of Mid-Peninsula's takeover defense posture, including 
       an analysis of the Company's existing defensive measures and 
       recommendation of additional actions if required.  A detailed review
       of the overall merger and acquisition


                                                    Page 60 of 69 Pages

<PAGE>


Mid-Peninsula Bancorp
May 28, 1996
Page 2



       environment would also be presented with a particular emphasis 
       on (i) the strategies of the active acquirers within Mid-Peninsula's 
       trade area (ii) unsolicited offers for control; and (iii) the 
       actions undertaken unilaterally by shareholders to disrupt the 
       implementation of corporate strategy.

     - Active takeover defense assistance and strategic advice to Mid-
       Peninsula in the event of an unsolicited offer for control or 
       accumulation of stock by an individual shareholder or shareholders 
       acting as a group.

     - A detailed review of Mid-Peninsula.  This would cover the 
       following:

           - Historical financial performance evaluated against a relevant
             peer group of independent bank institutions;

           - Analysis of Mid-Peninsula's projections and their impact on 
             shareholder value;

           - Identification and analysis of the Company's shareholders; and

           - Review and analysis of the historical trading patterns of the 
             common stock.

     - Any additional financial analyses or advice as requested from time to 
       time by Mid-Peninsula.

     - Presentations to the Board of Directors of the Company on any of the 
       topics listed above as requested by management.

2.   For serving in the above capacity, Alex. Brown would receive a $25,000 
     retainer and be reimbursed for its out-of-pocket expenses applicable to
     the undertaking, including reasonable legal fees if appropriate.

3.   When requested by Mid-Peninsula, Alex. Brown would provide financial and 
     strategic analysis of and advice with respect to specific transactions 
     which, if consummated, would result in Mid-Peninsula acquiring, being 
     acquired by or otherwise combining with another entity. Specifically, with
     respect to any particular transaction, Alex. Brown would as requested:

     (a)  Render financial and strategic advice as it bears upon the 
          valuation of any potential transaction;

     (b)  Advise you as to the most appropriate form, consistent with law,
          accounting and business practice, for a proposed transaction;


                                                    Page 61 of 69 Pages

<PAGE>


Mid-Peninsula Bancorp
May 28, 1996
Page 3


     (c)  Act as your agent and financial advisor in the negotiating process,
          working with you and your legal counsel and accountants. As your
          agent, Alex. Brown will engage in discussions on your behalf with
          other entities or their representatives only when authorized by 
          you to do so; and

     (d)  Render our opinion as to the fairness, from a financial point of 
          view, of the terms of a transaction to Mid-Peninsula shareholders.

4.   Our fee for assisting you in connection with specific transactions would
     be agreed between us in the context of a particular transaction. Among
     the factors to be considered would be:

     (a)  The scope and nature of our involvement;

     (b)  The complexity of the transaction;

     (c)  Whether we are requested to render a fairness opinion; and

     (d)  Customary investment banking fees for transactions of comparable 
          size.

     In addition, we understand that we may be asked to provide our opinions 
     and advice on smaller transactions that Mid-Peninsula may from time to 
     time consider; such advice will be provided at no additional fee.

5.   INDEMNIFICATION AND CONTRIBUTION.  In consideration of our services as 
     the Company's financial advisor hereunder, the Company agrees to 
     indemnify and hold harmless Alex. Brown and each of its directors, 
     officers, agents, employees and controlling persons (within the meaning 
     of the Securities Act of 1933, as amended) to the extent and as provided 
     in Addendum A attached hereto and incorporated herein by reference. The 
     provisions of this paragraph and Addendum A incorporated herein by 
     reference shall be effective as of the date hereof, and shall continue 
     in full force and effect until the termination of this agreement and, 
     thereafter, shall survive the termination of Alex. Brown's engagement 
     under this agreement and shall be binding upon any successors or assigns 
     of the Company.

6.   This agreement shall have an initial term extending until December 
     31, 1997, unless terminated prior thereto by the Company. Thereafter, 
     this agreement shall renew automatically from year-to-year upon the same 
     terms and conditions set forth herein until terminated in writing by 
     either Alex. Brown or Mid-Peninsula.



                                                    Page 62 of 69 Pages

<PAGE>


Mid-Peninsula Bancorp
May 28, 1996
Page 4


If the foregoing letter correctly sets forth the terms of Alex. Brown's 
engagement, please sign and return to us the enclosed duplicate hereof.


                                  Very Truly Yours,

                                  ALEX. BROWN & SONS INCORPORATED


                                  By:  /s/ Jean-Luc Servat
                                       ----------------------------------
                                       Jean-Luc Servat
                                       Managing Director



Accepted and Agreed:

MID-PENINSULA BANCORP

By:  /s/ David L. Kalkbrenner
     -----------------------------------
     David L. Kalkbrenner
     President & Chief Executive Officer



                                                    Page 63 of 69 Pages

<PAGE>


                                  ADDENDUM A


     In connection with our engagement described in the foregoing letter 
dated May 28, 1996, (the "Letter") to which this Addendum A is attached, the 
Company (as defined in the Letter) agrees to indemnify and hold harmless 
Alex. Brown & Sons Incorporated ("Alex. Brown") and each of its directors, 
officers, agents, employees and controlling persons (within the meaning of 
the Securities Act of 1933, as amended) from and against any losses, claims, 
damages or liabilities (or actions or proceedings in respect thereof) 
(collectively "Liabilities") related to or arising out of this engagement, 
and will reimburse Alex. Brown and each other person indemnified hereunder 
for all reasonable legal and other expenses as incurred in connection with 
defending any such Liabilities, whether or not Alex. Brown or any of its 
directors, officers, agents, employees and controlling persons is a named 
party thereto; provided, however, that the Company will not be liable in any 
such case (except cases arising out of the use of information provided by the 
Company with knowledge of its falsity) for Liabilities that a court of 
competent jurisdiction shall have found in a final judgment to have arisen 
primarily from the gross negligence, willful misconduct or bad faith of Alex. 
Brown or the party claiming a right to indemnification.

     In case any proceeding shall be instituted involving any person in 
respect of whom indemnity may be sought, such person (the "indemnified 
party") shall promptly notify the Company and the Company, upon request of 
the indemnified party, shall retain counsel reasonably satisfactory to the 
indemnified party to represent the indemnified party and any others the 
Company may designate in such proceeding and shall pay, as they are incurred, 
the fees and expenses of such counsel related to such proceeding. In any such 
proceeding, any indemnified party shall have the right to retain its own 
counsel at its own expense, except that the Company shall pay as incurred the 
reasonable fees and expenses of counsel retained by the indemnified party in 
the event that (i) the Company and the indemnified party shall have mutually 
agreed to the retention of such counsel or, (ii) the named parties to any 
such proceeding (including any impleaded parties) include both the Company 
and the indemnified party and representation of both parties by the same 
counsel would be inappropriate, in the reasonable opinion of the indemnified 
party, due to actual or potential differing interests between them.

     The Company shall not be liable for any settlement of any action or 
proceeding effected without its written consent, but if settled with such 
consent or if there be a final judgment for the plaintiff, the Company agrees 
to indemnify the indemnified parties to the extent set forth in this Addendum 
A. In addition, the Company will not, without the prior written consent of 
Alex. Brown, which shall not be unreasonably withheld, settle or compromise 
or consent to the entry of any judgment in any pending or threatened claim, 
action, suit or proceeding in respect of which indemnification may be sought 
hereunder (whether or not Alex. Brown or any indemnified party is an actual 
or potential party to such claim, action, suit or proceeding) unless such 
settlement, compromise or consent includes an unconditional release of Alex. 
Brown and each other indemnified party hereunder from all liability arising 
out of such claim, action, suit or proceeding.

                                                   Page 64 of 69 Pages
<PAGE>

     In the event that a party is not entitled to indemnification hereunder 
because a court of competent jurisdiction has found the relevant Liability 
has arisen primarily from the gross negligence, willful misconduct or bad 
faith of Alex. Brown or such party, then Alex. Brown or such party shall 
reimburse to the Company all sums previously advanced hereunder.

     In the event a claim for indemnification under this Addendum A is 
determined to be unenforceable by a final judgment of a court of competent 
jurisdiction, then the Company shall contribute to the aggregate losses, 
claims, damages or liabilities to which Alex. Brown or its officers, 
directors, agents, employees or controlling persons may be subject in such 
amount as is appropriate to reflect the relative benefits received by each of 
the Company and the parties seeking contribution on the one hand, and the 
relative faults of the Company and the party seeking contribution on the 
other, as well as any other relevant equitable considerations.

     This indemnification shall apply to the original engagement as set forth 
in the Letter and any modification of the original engagement and the 
indemnification provided herein shall survive termination of our engagement 
and shall be binding upon any successors or assigns of the Company.


Acknowledged and Agreed:

MID-PENINSULA BANCORP

By:     /s/ David L. Kalkbrenner
      -------------------------------



Date:   May 28, 1996
      --------------------------------

JLS:cd



                                                        Page 65 of 69 Pages

<PAGE>


                                [LETTERHEAD]



May 28, 1996



                                 ADDENDUM B

This Addendum B reflects qualifications relating to Sections 3(d) and 4 of 
the engagement agreement between Alex. Brown & Sons Incorporated ("Alex. 
Brown") and Mid-Peninsula Bancorp ("Mid-Peninsula" or the "Company") dated 
May 28, 1996.

This Addendum B is to confirm our understanding of the basis upon which Alex. 
Brown is being engaged to provide investment banking advice and services to 
Mid-Peninsula in connection with the proposed merger of equals (the 
"Transaction") by and between the Company and Cupertino National Bancorp 
("Cupertino").

1.  Alex. Brown will be engaged, as your sole and exclusive financial 
    advisor, to perform the following functions:

    (a)  Analyze, with the Company's management and Board of Directors, 
         the terms of any definitive acquisition agreement (the "Agreement") 
         entered into by and between the Company and Cupertino.

    (b)  Render our opinion (the "Opinion") as to the fairness, from a 
         financial point of view to the Company's shareholders, of the 
         Conversion Ratio (as defined in the Agreement) on the date of the 
         execution of the Agreement, update such opinion as required at or near
         the time of distribution of proxy materials by the Company and 
         bring-down such opinion as required at or near the time of closing of
         the Transaction. The nature and scope of the investigation which we 
         would conduct in order to be able to render our opinion will be 
         such as we would consider appropriate, and such opinion will be
         subject to customary assumptions and qualifications. Our opinion will 
         be in written form. Such opinion shall be solely for the use of the 
         Board of Directors in considering the Agreement and for inclusion in 
         the Company's proxy materials relating to the proposed Transaction. We
         understand and expect that the Company will use such Opinion in 
         connection with the proxy statement to be mailed to the Company's 
         shareholders seeking approval for the Transaction. The Company may not 


                                                        Page 66 of 69 Pages

<PAGE>


Mid-Peninsula Bancorp
May 22, 1996
Page 2


         otherwise publish or refer to such opinion (either in its 
         entirety or through excerpts or summaries) or disclose the existence 
         of our engagement hereunder or describe or characterize the advice 
         provided by us to the Company without the prior written approval of 
         Alex. Brown, which approval shall not be unreasonably withheld, or 
         except as aforesaid or as otherwise required by applicable law.

2.  In consideration of our services as your financial advisor as described
    in Section 1 of this Addendum B, the Company agrees to compensate Alex.
    Brown as follows:

    (a)  Upon delivery the Opinion, Alex. Brown will be paid a non-refundable
         fee of $200,000, against which will be credited the $25,000 retainer
         fee previously paid in accordance with Section 2 of the Engagement 
         Agreement. Payment of this $175,000 shall be made in two installments: 
         $75,000 upon the rendering of the Opinion to the Board of Directors of 
         the Company and $100,000 upon inclusion of the Opinion in the Proxy 
         Statement to shareholders of the Company.

    (b)  In addition to the fee described above, the Company agrees to 
         reimburse Alex. Brown for all reasonable out-of-pocket expenses, 
         including fees and reimbursements of legal counsel, incurred by Alex. 
         Brown in carrying out its duties under this Addendum B. Fees and 
         reimbursements of legal counsel shall not exceed $2,000 without prior 
         approval of the Company.

3.  In consideration of our services as the Company's financial advisor under 
    this Addendum B and under the Engagement Agreement, the Company agrees 
    to indemnify and hold harmless Alex. Brown and each of its directors, 
    officers, agents, employees and controlling persons (within the meaning 
    of the Securities Act of 1933, as amended) to the extent and as provided 
    in Addendum A attached to the Engagement Agreement and incorporated 
    herein by reference. In addition, neither Alex. Brown nor any 
    indemnified person shall have any liability to the Company related to or 
    arising from the engagement described in this Addendum B, except for 
    liability for losses, claims, damages or expenses incurred by the Company 
    which are determined by a court of competent jurisdiction in a final 
    judgment to have arisen primarily from Alex. Brown's gross negligence, 
    willful misconduct or bad faith. The provisions of this Section 3 and 
    Addendum A incorporated herein by reference shall survive the 
    termination of Alex. Brown's engagement under this Addendum B and shall 
    be binding upon any successors or assigns of the Company.


                                                    Page 67 of 69 Pages


<PAGE>

Mid-Peninsula Bancorp
May 22, 1996
Page 3


4.  In the event of consummation of the Transaction, Alex. Brown shall 
    have the right to disclose its participation in such Transaction, 
    including, without limitation, the placement of "tombstone" 
    advertisements in financial and other newspapers and journals, provided 
    that Alex. Brown will submit a copy of any such advertisements to the 
    Company for its approval, which approval shall not be unreasonably 
    withheld or delayed.

If the foregoing letter is in accordance with your understanding of the terms 
of our engagement, please sign and return to us the enclosed duplicate hereof.


                                  Very truly yours,

                                  ALEX. BROWN & SONS INCORPORATED


                                  By:  /s/ Jean-Luc Servat
                                       ----------------------------------
                                       Jean-Luc Servat
                                       Managing Director



Accepted and Agreed:

MID-PENINSULA BANCORP

By:  /s/ David L. Kalkbrenner
     -----------------------------------
     David L. Kalkbrenner
     President & Chief Executive Officer


Date:   May 28, 1996
      ----------------------------------



                                                    Page 68 of 69 Pages


<TABLE> <S> <C>

<PAGE>
<ARTICLE> 9
<MULTIPLIER> 1,000
       
<S>                             <C>
<PERIOD-TYPE>                   6-MOS
<FISCAL-YEAR-END>                          DEC-31-1996
<PERIOD-START>                             JAN-01-1996
<PERIOD-END>                               JUN-30-1996
<CASH>                                          12,024
<INT-BEARING-DEPOSITS>                         185,370
<FED-FUNDS-SOLD>                                36,400
<TRADING-ASSETS>                                     0
<INVESTMENTS-HELD-FOR-SALE>                     47,855
<INVESTMENTS-CARRYING>                           2,397
<INVESTMENTS-MARKET>                             2,397
<LOANS>                                        147,967
<ALLOWANCE>                                      1,933
<TOTAL-ASSETS>                                 251,412
<DEPOSITS>                                     227,134
<SHORT-TERM>                                         0
<LIABILITIES-OTHER>                              1,480
<LONG-TERM>                                          0
                                0
                                          0
<COMMON>                                        15,966
<OTHER-SE>                                       6,832
<TOTAL-LIABILITIES-AND-EQUITY>                  22,798
<INTEREST-LOAN>                                  7,041
<INTEREST-INVEST>                                1,382
<INTEREST-OTHER>                                   709
<INTEREST-TOTAL>                                 9,132
<INTEREST-DEPOSIT>                               3,420
<INTEREST-EXPENSE>                               3,420
<INTEREST-INCOME-NET>                            5,712
<LOAN-LOSSES>                                      220
<SECURITIES-GAINS>                                (97)
<EXPENSE-OTHER>                                  3,112
<INCOME-PRETAX>                                  2,659
<INCOME-PRE-EXTRAORDINARY>                       2,659
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                     1,571
<EPS-PRIMARY>                                      .99
<EPS-DILUTED>                                      .49
<YIELD-ACTUAL>                                    8.65
<LOANS-NON>                                          0
<LOANS-PAST>                                         0
<LOANS-TROUBLED>                                     0
<LOANS-PROBLEM>                                      0
<ALLOWANCE-OPEN>                                 1,716
<CHARGE-OFFS>                                        3
<RECOVERIES>                                         0
<ALLOWANCE-CLOSE>                                1,933
<ALLOWANCE-DOMESTIC>                             1,933
<ALLOWANCE-FOREIGN>                                  0
<ALLOWANCE-UNALLOCATED>                              0
        

</TABLE>


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