WESTERN BANCORP
10-Q, 1997-08-14
STATE COMMERCIAL BANKS
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<PAGE>

                                    UNITED STATES
                         SECURITIES AND EXCHANGE COMMISSION
                               WASHINGTON, D. C.  20549
- --------------------------------------------------------------------------------


                                     FORM 10 - Q
                                           

                X    QUARTERLY REPORT PURSUANT TO SECTION 13 OF 15(d) OF 
              ----         THE SECURITIES EXCHANGE ACT OF 1934.

                                           OR

                         TRANSITION REPORT PURSUANT TO SECTION
                  13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934.
                  FOR THE TRANSISTION PERIOD FROM         TO        
                                                  -------    --------

                     FOR THE QUARTERLY PERIOD ENDED JUNE 30, 1997
                                                    -------------

                            COMMISSION FILE NUMBER 0-13551
                                                   -------

                                   WESTERN BANCORP
                                   ---------------
                            (EXACT NAME OF REGISTRANT AS
                             SPECIFIED IN ITS CHARTER)

               CALIFORNIA                            95-38663296       
    -------------------------------    ------------------------------------
    (STATE OF OTHER JURISDICTION OF    (I.R.S. EMPLOYER IDENTIFICATION NUMBER)
    INCORPORATION OR ORGANIZATION)     


            4100 NEWPORT PLACE, SUITE 900, NEWPORT BEACH, CALIFORNIA 92660
            --------------------------------------------------------------
                       (ADDRESS OF PRINCIPAL EXECUTIVE OFFICES)
                                           

                     REGISTRANT'S TELEPHONE NUMBER (714) 863-2300
                                                   --------------

    MONARCH BANCORP, 30000 TOWN CENTER DRIVE, LAGUNA NIGUEL, CALIFORNIA 92677
- --------------------------------------------------------------------------------
 FORMER NAME, FORMER ADDRESS AND FORMER FISCAL YEAR IF CHANGED FROM LAST REPORT
                                           
INDICATE BY CHECK (X) 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      
                                         ---       ---

APPLICABLE ONLY TO CORPORATE ISSUERS: INDICATE THE NUMBER OF SHARES OUTSTANDING
OF EACH OF THE ISSUER'S CLASSES OF COMMON STOCK, AS OF AUGUST 13, 1997 
7,071,973.
- ---------

                                       1
<PAGE>


                               TABLE OF CONTENTS
                                           

PART I -- FINANCIAL INFORMATION
                                                                        Page
                                                                        ----

    Item 1. Financial Statements (unaudited). . . . . . . . . . . . . . . .3
                                                                        

         Consolidated Condensed Balance Sheets                            
         June 30, 1997 and December 31, 1996. . . . . . . . . . . . . . . .3

         Consolidated Condensed Statements of Income                      
         for three months and six months ended
         June 30, 1997 and 1996 . . . . . . . . . . . . . . . . . . . . . .4

         Consolidated Condensed Statements of Cash Flow for the           
         six months ended June 30, 1997 and 1996. . . . . . . . . . . . . .5

         Notes to Consolidated Financial Statements                       
         June 30, 1997. . . . . . . . . . . . . . . . . . . . . . . . . . .6


    Item 2. Management's Discussion and Analysis of Operations.           10


PART II -- OTHER INFORMATION

    Item 1.  Legal Proceedings . . . . . . . . . . . . . . . . . . . . . .17

    Item 2.  Change in Securities. . . . . . . . . . . . . . . . . . . . .17

    Item 3.  Defaults Upon Senior Securities . . . . . . . . . . . . . . .17

    Item 4.  Submission of Matters to a Vote of Security Holders . . . . .17

    Item 5.  Other Information . . . . . . . . . . . . . . . . . . . . . .17

    Item 6.  Exhibits and Reports on Form 8-K. . . . . . . . . . . . . . .18

SIGNATURES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .19


                                       2
<PAGE>

Part 1 - Financial Information
     
ITEM 1. FINANCIAL STATEMENTS

                                    WESTERN BANCORP
                         CONSOLIDATED CONDENSED BALANCE SHEETS
                           (In thousands expect share data)
                                        ASSETS


<TABLE>
<CAPTION>
                                                                                
                                                            June 30,  December 31,
                                                              1997       1996
                                                           --------   -----------
<S>                                                        <C>        <C>
ASSETS:
Cash and due from banks                                    $ 57,656   $ 66,234
Federal funds sold                                           45,500     18,717
                                                           --------   --------
    TOTAL CASH & CASH EQUIVALENTS                           103,156     84,951

Securities: 
 Federal Reserve Bank and Federal Home Loan Bank stock        3,325      3,234
 Securities held to maturity (Fair value of $6,902 and 
   $7,245 at 6/30/97 and 12/31/96, respectively)              6,902      7,270
 Securities available for sale,
   at fair value (amortized cost of $198,301                198,383    245,724
   and $245,740 at 6/30/97 and 12/31/96, respectively)
                                                           --------   --------
    TOTAL SECURITIES                                        208,610    256,228
Net loans and leases                                        488,912    459,373
Property plant and equipment                                  6,880      7,215
Other real estate owned                                       7,026      6,546
Goodwill                                                     28,344     29,342
Other assets                                                 16,843     19,245
                                                           --------   --------
     TOTAL ASSETS                                           859,771    862,900
                                                           --------   --------
                                                           --------   --------

LIABILITIES AND SHAREHOLDERS EQUITY:

LIABILITIES:
Non-interest bearing deposits                             $ 269,662  $ 296,951
Interest bearing deposits                                   491,807    464,737
                                                           --------   --------
    TOTAL DEPOSITS                                          761,469    761,688
Borrowed funds                                               10,852     13,350
Accrued interest payable & other liabilities                  7,593      8,734
                                                           --------   --------
    TOTAL LIABILITIES                                       779,914    783,772

SHAREHOLDERS' EQUITY:
Preferred stock                                                   -          -
Common stock, no par value,
  authorized 100,000,000 shares: outstanding
  7,070,100 and 7,027,900 outstanding in 1997
  and 1996, respectively                                     73,379     73,588
Retained earnings                                             6,526      5,528
Unrealized net gains (losses) on investment                       
    securities available for sale, net of tax                  (48)         12
                                                           --------   --------
    TOTAL SHAREHOLDERS' EQUITY                               79,857     79,128
    TOTAL LIABILITIES
     & SHAREHOLDERS' EQUITY                                $859,771   $862,900
                                                           --------   --------
                                                           --------   --------
</TABLE>

           See "Notes to Consolidated Condensed Financial Statements."

                                       3
<PAGE>


                                    WESTERN BANCORP
                     CONSOLIDATED CONDENSED STATEMENTS OF INCOME
                        (IN THOUSANDS EXCEPT PER SHARE DATA)
                                      (UNAUDITED)
                                                                      
<TABLE>
<CAPTION>
                                         For six months ended June 30, For three months ended June 30,
                                         ----------------------------  ------------------------------
                                                 1997        1996        1997         1996
                                             ---------     --------    --------     -------
<S>                                          <C>           <C>         <C>          <C>
INTEREST INCOME:
  Interest and fees on loans                  $ 22,846     $ 11,666    $ 11,563     $  6,110
  Interest on investment securities              6,541        3,077       3,184        1,746
  Interest on federal funds sold                   936        1,208         525          564
                                              --------     --------    --------     --------
        TOTAL INTEREST INCOME                   30,323       15,951      15,272        8,420

 INTEREST EXPENSE:
   Interest expense on deposits                  7,704        3,964       3,895        1,975
   Interest expense on other borrowings            484          131         202           72
                                              --------     --------    --------     --------
         TOTAL INTEREST EXPENSE                  8,188        4,095       4,097        2,047
                                              --------     --------    --------     --------
NET INTEREST INCOME:                            22,135       11,856      11,175        6,373
     Less: provision for loan and lease 
      losses                                       750          805         375          455
                                              --------     --------    --------     --------
NET INTEREST INCOME AFTER PROVISION FOR LOAN
  AND LEASE LOSSES                              21,385       11,051      10,800        5,918
NON-INTEREST INCOME:
    Services charges                             1,440          837         674          403
    Escrow fees                                    337          311         182          190
    Gain on sale of loans and other assets           -        1,003           -        1,003
    Securities gains                               337            -         230            -
    Other income                                   657          676         341          346
                                              --------     --------    --------     --------
      TOTAL NON-INTEREST INCOME                  2,771        2,827       1,427        1,942

NON-INTEREST EXPENSE:
    Salaries and benefits                        7,764        5,130       3,631        2,527
    Occupancy, furniture and equipment           2,200        1,516       1,117          847
    Advertising and business development           447          395         221          218
    Other real estate owned                         53         (252)          5         (357)
    Professional services                        1,294        1,470         491        1,120
    Telephone, stationery and supplies             785          516         388          269
    Goodwill amortization                          998            -         499            -
    Data processing                                666          260         340          138
    Customer services cost                         553          268         388          144
    Merger costs (a)                             3,404            -       3,404            -
    Other                                        1,928        1,168       1,126          470
                                              --------     --------    --------     --------
       TOTAL NON-INTEREST EXPENSE               20,092       10,471      11,610        5,376

    Income before income taxes                   4,064        3,407         617        2,484
    Income taxes                                 3,066        1,348       1,451          974
                                              --------     --------    --------     --------
        NET INCOME (LOSS)                     $    998     $  2,059    $   (834)    $  1,510
                                              --------     --------    --------     --------
                                              --------     --------    --------     --------
PER SHARE INFORMATION:                                
   Number of shares (weighted average)         7,303.2      3,969.1     7,301.5      3,969.1
   Income (loss) per share (dollars)          $   0.14     $   0.52    $  (0.11)    $   0.38
    
</TABLE>

(a) Represents the costs associated with California Commercial Bankshares 
    which was consummated on June 4, 1997.

            See "Notes to Consolidated Condensed Financial Statements."

                                       4

<PAGE>
                                    WESTERN BANCORP
                     CONSOLIDATED CONDENSED STATEMENTS OF CASH FLOW
                                    (IN THOUSANDS)
                                     (UNAUDITED)
<TABLE>
<CAPTION>
                                                       For six months period ended June 30,
                                                      ---------------------------------------
                                                           1997                      1996
                                                      -------------             -------------
<S>                                                   <C>                       <C>
CASH FLOW FROM OPERATING ACTIVITIES:

     Net income                                        $       998              $      2,059
     Adjustments to reconcile net income activites
       to net cash provided by operating:
     Loss (gain) on sale of securities available for 
       sale                                                    (337)                       -
     Provision for loan and lease losses                        750                      805
     Goodwill amortization                                      998                        -
     Depreciation                                               340                      117
     Amortization of (discounts) and premiums on 
       investment securities                                   (373)                     241
     Net increase (decrease) in accrued interest
       payable and other liabilities                         (1,141)                     586
     Net (increase) decrease in other assets                  2,402                     (120)
                                                       ------------             ------------
        NET CASH PROVIDED BY OPERATING ACTIVITIES             3,637                    3,688

CASH FLOW FROM INVESTING ACTIVITIES:
     Proceeds from sale of investment securities
       available for sale                                     8,414                        -
     Principal payments received on investment securities   109,018                   20,135
     Purchase of investment securities                      (69,164)                 (42,851)
     (Increase) decrease in net loans and leases            (30,289)                  (4,093)
     Additions to premises and equipment                         (5)                    (485)
     Reduction (additions) to other real estate owned          (480)                     424
                                                       ------------             ------------
        NET CASH PROVIDED BY INVESTING ACTIVITIES            17,494                  (26,870)

Cash flow from financing activities:
      Cash recieved from exercise of options                    298                       70
      Common stock repurchased and retired                     (507)                       -
      Net increase (decrease) in deposits                      (219)                  26,672
      Additional borrowings                                   2,852                    2,350
      Repayments of borrowed funds                           (5,350)                  (2,351)
                                                       ------------             ------------
        NET CASH PROVIDED BY FINANCING ACTIVITIES            (2,926)                  26,741
                                                       ------------             ------------
Net increase in cash and cash equivalents                    18,205                    3,559

Cash and cash equivalents at the beginning of the 
  period                                                     84,951                   81,234
                                                       ------------             ------------
Cash and cash equivalents at the end of the period     $    103,156             $     84,793
                                                       ------------             ------------
                                                       ------------             ------------
SUPPLEMENTAL DISCLOSURE OF CASH FLOW INFORMATION:
     Property acquired through foreclosure                    7,116                      714
                                                       ------------             ------------
                                                       ------------             ------------
     Repayment of KSOP debt                                       -                       11
                                                       ------------             ------------
                                                       ------------             ------------
     Loans to facilitate                                      1,139                       37
                                                       ------------             ------------
                                                       ------------             ------------
     Increase (decrease) of unrealized gain on 
       investment securities avaliable for sale, 
       net of tax                                               (60)                    (338)
                                                       ------------             ------------
                                                       ------------             ------------
     Cash paid for interest                                   8,180                    4,231
                                                       ------------             ------------
                                                       ------------             ------------
     Cash paid for taxes                                        327                      687
                                                       ------------             ------------
                                                       ------------             ------------



            See "Notes to Consolidated Condensed Financial Statements" 

                                         5
</TABLE>
<PAGE>


                                   WESTERN BANCORP
                  NOTES TO CONSOLIDATED CONDENSED FINANCIAL STATEMENTS
                                    JUNE 30, 1997
                                           

1.  Western Bancorp (the "Company") is the holding company for National Bank 
of Southern California ("NBSC") and Western Bank ("Western" and together with 
NBSC, the "Banks").  The unaudited condensed consolidated financial 
statements of the Company and subsidiaries included herein reflect all 
adjustments, consisting only of normal recurring adjustments, which are, in 
the opinion of management, necessary to present a fair statement of the 
results for the interim periods indicated.  Certain reclassifications have 
been made to the consolidated financial statements for 1996 to conform to the 
1997 presentation.  Certain information and note disclosures normally 
included in consolidated financial statements prepared in accordance with 
generally accepted accounting principles have been condensed or omitted 
pursuant to the rules and regulations of the Securities and Exchange 
Commission.  The results of operations for the three months and six months 
ended June 30, 1997, are not necessarily indicative of the results of 
operations to be expected for the remainder of the year.

The preparation of financial statements in conformity with generally accepted 
accounting principles requires management to make estimates and assumptions 
that affect the reported amounts of assets and liabilities and disclosure of 
contingent assets and liabilities at the date of the financial statements and 
the reported amounts of revenues and expenses during the reporting period. 
Actual results could differ from those estimates.  Material estimates subject 
to change include the allowance for loan and lease losses, the carrying value 
of other real estate owned, and the deferred tax asset.

These consolidated financial statements should be read in conjunction with 
the consolidated financial statements and notes thereto included in the 
Company's annual report Form 10-KSBA for the year ended December 31, 1996, as 
amended, California Commercial Bankshares' annual report filed on form 10-KA 
for the year ended December 31, 1996, as amended, and the Company's restated 
annual statements filed on Form 8-K on July 17, 1997.  

                                       6 

<PAGE>

2.  Completed Acquisitions

WESTERN BANK ACQUISITION:  On September 30, 1996 the Company acquired, for 
cash, all of the issued and outstanding shares of Western, a state chartered 
bank located in West Los Angeles.  Western has five offices, including its 
head office in Westwood.  In connection with the acquisition Western began
operating as a wholly-owned subsidiary of the Company.

The acquisition of Western was accounted for under the purchase method of 
accounting.  As such, the results of operations for Western were included in 
the Company's results of operations beginning October 1, 1996.

CALIFORNIA COMMERCIAL BANKSHARES ACQUISITION:  On December 18, 1997, the 
Company reached an agreement to merge with California Commercial Bankshares 
("CCB"), a bank holding company operating in Orange County, California.  The 
shareholders of the Company approved the acquisition on June 2, 1997 and the 
transaction was closed on June 4, 1997.  Also on June 4, 1997, Monarch Bank, 
a wholly owned subsidiary of the Company, was merged into National Bank of 
Southern California ("NBSC"), a wholly owned subsidiary of CCB.

The acquisition of CCB was accounted for under pooling-of-interests 
accounting and all financial information presented has been restated for this 
combination.

3.  Pending Acquisitions

SC BANCORP ACQUISITION:  On April 29, 1997, the Company entered into an 
agreement to merge with SC Bancorp ("SCB"), a bank holding company operating 
in Orange County and Los Angeles County, California.  Regulatory approvals 
have been obtained, and pending shareholder approval, the merger is expected 
to be consummated in the fourth quarter of 1997.  The exchange ratio is based 
on a $14.25 price for SCB common stock divided by the volume weighted average 
price of the Company's common stock for the twenty trading days which ended 
on July 28, 1997.  This formula resulted in a weighted average price used for 
the exchange ratio of $31.28.  As a result of this average price, upon 
closing, each share of SCB common stock will be exchanged for 0.4556 shares 
of the Company's common stock.  It is also anticipated that Southern 
California Bank, a wholly owned subsidiary of SCB, will merge with NBSC with 
the resulting bank retaining the name of Southern California Bank.  

SCB and the Company plan to use pooling-of-interests accounting for the 
merger.

                                       7
<PAGE>

SANTA MONICA BANK

On July 31, 1997, the Company announced an agreement to merge with Santa 
Monica Bank, a state chartered bank operating on the west side of Los Angeles 
County. Pending regulatory and shareholder approval, the merger is expected 
to be consummated in January of 1998.  Shareholders of Santa Monica Bank will 
have the option to choose either $28 in cash or 0.875 shares of Company 
common stock for each share of Santa Monica common stock owned.  A maximum of 
50% of the Santa Monica shares will be exhanged for shares of stock of the 
Company.  If more than 50% choose stock, those Santa Monica shareholders that 
chose stock will receive a prorated amount of  cash and stock such that the 
stock percentage does not exceed 50%.  If less than 40% of the consideration 
paid at the time of closing is in common stock of the Company, the Santa 
Monica shareholders will receive all cash.

This transaction will be accounted for under the purchase method of accounting.

The following tables show unaudited summary pro forma balance sheet 
information for these pending acquisitions as of December 31, 1996 and June 
30, 1997 and unaudited summary pro forma income statement information for the 
six months ended June 30, 1997 and June 30, 1996.  Pooling-of-interests 
accounting is used for this pro forma information for the SCB acquisition and 
purchase accounting is used for the Sanata Monica acquisition.  Due to the 
use of purchase accounting, Santa Monica is included only in the balance 
sheet as of June 30, 1997 and the income statement information for the six 
month periods ended June 30, 1997 and June 30, 1996.  The balance sheet and
income statement adjustments shown below are based on management's estimates
for costs associated with these transactions.

                                       8
<PAGE>

SUMMARY PRO FORMA BALANCE SHEET INFORMATION
(In thousands)

<TABLE>
<CAPTION>
                                                                         As of June 30, 1997
                                                 ----------------------------------------------------------------------
                                                                                 Santa          Adjust-      Pro Forma
                                                  Western           SCB          Monica         ments         Combined
                                                  --------       --------       --------        -------      ----------
<S>                                               <C>            <C>            <C>             <C>          <C>
Total assets                                       859,771        507,894        672,574         78,165       2,118,404
Securities                                         208,610         75,581        141,239                        425,430
Loans, net                                         488,912        344,884        382,251         (1,322)      1,214,725
Goodwill                                            28,344          3,355           ---         120,722         152,421
Deposits                                           761,469        446,245        590,785           (154)      1,798,345
Shareholders' equity                                79,857         51,785         77,263         40,705         249,610

<CAPTION>
                                                                          As of December 31, 1996
                                                 ----------------------------------------------------------------------
                                                                                 Santa          Adjust-      Pro Forma
                                                  Western           SCB          Monica         ments         Combined
                                                  --------       --------       --------        -------      ----------
<S>                                               <C>            <C>            <C>             <C>          <C>
Total assets                                       862,900        476,013                       (1,083)       1,337,830
Securities                                         256,228         76,590                                       332,818
Loans, net                                         459,373        342,228                       (3,712)         797,889
Goodwill                                            29,342          3,626                                        32,968
Deposits                                           761,688        415,326                                     1,177,014
Shareholders' equity                                79,128         49,919                       (9,032)         120,015
</TABLE>

SUMMARY PRO FORMA INCOME STATEMENT INFORMATION
(In thousands except per share data)

<TABLE>
<CAPTION>
                                                                 For the six month period ended June 30, 1997
                                                   --------------------------------------------------------------------
                                                                                   Santa         Adjust-      Pro Forma
                                                   Western          SCB           Monica          ments        Combined
                                                   -------        -------        -------        --------      ---------
<S>                                                <C>            <C>            <C>            <C>           <C>
Net interest income and non-interest income         24,906         14,632         20,354          (2,591)       57,301
Provision for loan and lease losses                    750            650                                        1,400
Non interest expense                                20,092          9,790         11,686           4,336        45,904
Net income                                             998          2,447          5,664          (5,723)        3,386
Net income per share                               $  0.14        $  0.33        $  0.80                       $  0.23
Weighted average shares                              7,303          7,491          7,077                        15,027

<CAPTION>
                                                                 For the six month period ended June 30, 1996
                                                   --------------------------------------------------------------------
                                                                                   Santa         Adjust-      Pro Forma
                                                   Western          SCB           Monica          ments        Combined
                                                   -------        -------        -------        --------      ---------
<S>                                                <C>            <C>            <C>            <C>           <C>
Net interest income and non-interest income         14,683         13,827        18,796         (2,531)         44,775 
Provision for loan and lease losses                    805           (470)         --                              335 
Non interest expense                                10,471         11,397        13,476          4,336          39,680
Net income                                           2,059          1,683         4,106         (5,688)          2,160
Net income per share                               $  0.52        $  0.23        $ 0.58                        $  0.18
Weighted average shares                              3,969          7,474         7,077                         11,690

</TABLE>

                                       9
<PAGE>


ITEM 2.  MANAGMENT'S DISCUSSION AND ANALYSIS OF OPERATIONS

FINANCIAL CONDITION

On June 4, 1997, the Company acquired CCB in a transaction accounted for 
using the pooling-of-interests method of accounting. As a result of the 
acquisition of CCB consolidated assets, total deposits and shareholders' 
equity increased by approximately $356.1 million, $324.8 million and $26.0 
million, respectively (based on CCB's balance sheet at March 31, 1997). The 
following discussion and analysis of operations is presented on a restated 
basis, giving effect to the acquisition of CCB as a pooling-of-interests. In 
addition, the following presentation gives effect to the one for 8.5 reverse 
stock split which was effected on June 3, 1997.

Since December 31, 1996, the Company's total assets have remained 
approximately the same, however, net loans and leases have grown by 
$29,539,000, or 6.4% since December 31, 1996. This is partially offset by a 
$47,341,000 decrease in investments available-for-sale and a $18,205,000 
increase in cash and cash equivalents. Also, deposits have remained the same 
from December 31, 1996 to June 30, 1997. The economy in Orange County and 
west Los Angeles is improving and the Company is planning to take advantage 
of this market growth. In addition, the Company has experienced significant 
improvements in normalized earnings for the six months and three months ended 
June 30, 1997 as compared to the same periods in 1996 resulting largely as a 
result of the Western and CCB acquisitions and a focus on controlling costs 
and centralizing operations:

<TABLE>
<CAPTION>
                                                  For the six month period       For the three month period
                                                        ended June 30,                ended June 30,
                                                  ---------------------------------------------------------
                                                   1997            1996          1997           1996
                                                  ---------------------------------------------------------
<S>                                               <C>              <C>           <C>            <C>

Income per share                                   $   0.14        $  0.52        $  (0.11)     $    0.38

Income per share (dollars) before merger costs 
  and goodwill amortization in 1997 and before 
  gain on sale of loans in  1996                   $   0.69        $  0.37        $   0.37      $    0.23

Return on average assets                               0.24%          1.02%          -0.39%          1.51%

Return on average assets before merger costs and           
  goodwill amortization in 1997
  and before gain on sale of loans in 1996             1.18%          0.72%           1.26%          0.90%

Return on average equity                                2.5%          12.6%           -4.1%          18.5%

Return on average equity before merger costs and
  goodwill amortization in 1997
  and before gain on sale of loans in 1996             12.4%           8.9%           13.2%          11.1%

Efficiency ratio before merger costs and goodwill
  amortization in 1997 and gain on sale of loans 
  in 1996                                              63.0%          76.5%           61.2%          73.5%

</TABLE>


                                       10
<PAGE>

RESULTS OF OPERATIONS

The acquisition of Western on September 30, 1996 was accounted for under the 
purchase method of accounting, and as a result Western's operations are 
included in the results of 1997, but are not part of the results in 1996.

As of June 30, 1997, the Company had consolidated total assets, total 
deposits and shareholders' equity of approximately $859.8 million, $761.5 
million, and $79.9 million, respectively versus $862.9 million, $761.7 
million, and $79.1 million at December 31, 1996, respectively.  For the three 
months and six months ended June 30, 1997, the Company, on a consolidated 
basis, recorded a net loss of $834,000 and net income of approximately 
$998,000 versus net income of $1,510,000 and $2,059,000 for the same periods 
of 1996.  While net income decreased substantially for the three and six 
months ended June 30, 1997 compared to fiscal 1996, normalized net income 
before goodwill amortization increased significantly. Without the 
amortization of goodwill of $998,000 and after tax merger costs of $3,009,000 
in 1997 and before an after tax gain on sale of loans of $606,000 in 1996, 
net income for the six month periods would have been $5,005,000 and 
$1,453,000 in 1997 and 1996, respectively, or $0.69 and $0.37 per share, a 
growth of approximately 86%.  Without the amortization of goodwill of 
$499,000 and after tax merger costs of $3,009,000 in 1997 and before an after 
tax gain on sale of loans of $606,000 in 1996, net income for the three month 
period would have been $2,674,000 and $904,000 in 1997 and 1996, 
respectively, or $0.37 and $0.23 per share, a growth of approximately 61%.

Operating profits for the Company and the Banks are dependent on renewed loan 
growth, controlling costs and continual efforts to prevent any unexpected 
loan losses which would require additions to the Allowance for loan and lease 
losses ("ALLL").  Demand for quality loans has increased in the Company's 
primary market areas, and the Company expects to take advantage of this 
increased demand, while maintaining its conservative credit standards.  The 
Company's loan-to-deposit ratio, has increased from 58.9% as of December 31, 
1996 to 64.2% as of June 30, 1997.

NET INTEREST INCOME
<TABLE>
<CAPTION>
                                       For Six Months ended         For Three Months ended
                                              June 30,                     June 30,
                                     --------------------------------------------------------------
                                     <C>            <C>                 <C>            <C>
   
        
                                          1997          1996                1997          1996
                                          ----          ----                ----          ----
<S>
Average earning assets               $726,605,000   $373,083,000        $727,959,000   $382,184,000
Yield                                    8.41           8.60                8.41          8.84
Average interest bearing liabilities  468,254,000   $230,113,000        $475,790,000   $232,555,000
Cost                                     3.52           3.58                3.45          3.53
Spread                                   4.89           5.02                4.96          5.31
Net interest margin                      6.14           6.39                6.16          6.69

</TABLE>


The $4,802,000 and $10,279,000 increase in net interest income for the 
comparative three months and six months ended June 30, 1997 and 1996, 
respectively, is due primarily to increases in the volume of earning assets 
mostly due to the acquisition of Western. For the six month periods, net 
interest margin decreased from 6.39% to 6.14% and the net interest spread 
decreased from 5.02% to 4.89%. This decline in net interest margin is a 
result of both the decrease in spread and the ratio of average earning assets 
to average interest bearing liabilities declining from 1.62 to 1.55 for the 
six month period ended June 30, 1996 to the six month period ended June 30, 
1997.

The increase in interest income for the three and six months ended June 30, 
1996 and the same periods of 1997 from approximately $8,420,000 to 
$15,272,000 and from $15,951,000 to $30,323,000, respectively, was due almost 
entirely to the increase in average earning assets for the three and six 
months ended June 30, 1996 and the same periods of 1997. Average earning 
assets for the three month periods ended June 30, 1996 and June 30, 1997 
increased from approximately $382.2 million to $728.0 million, respectively, 
resulting mostly from the Western acquisition. Average earning assets for the 
six months periods ended June 30, 1996 and June 30, 1997 increased from 
approximately $373.1 million to $726.6 million, respectively, resulting 
mostly from the Western acquisition. For the same three and six month periods 
the average yield on earning assets decreased from 8.84% to 8.41% in 1996 and 
from 8.60% to 8.41% in 1997.

Interest expense increased for approximately $2,047,000 to $4,097,000 and 
from $4,095,000 to $8,188,000 for the three months and six months ended June 
30, 1996 and June 30, 1997, respectively.  This increase is mostly due to the 
volume increase in average interest bearing liabilities as a result of the 
Western acquisition.  The average cost of funds declined from 3.58% to 3.52 
for the six months ended June 30, 1997 compared to the same period in 1996. 
The average costs of funds declined from 3.53% to 3.45% for the three month 
periods ended June 30, 1996 and June 30, 1997, respectively. 32.4% of the 
Company's deposits are in non-interest bearing accounts.

                                       11
<PAGE>

PROVISION FOR LOAN LOSSES

During the six months ended June 30, 1997, approximately $1,258,000 in loans 
were charged to the Company's Allowance for Loan and Lease Losses ("ALLL") 
and approximately $359,000 of loans were recovered.  The ratio of ALLL to 
total loans was 2.06% as of June 30, 1997 compared to 2.31% as of December 
31, 1996. The decline in ratio was largely due to an increase in loans.  Due 
to continued decline in nonperforming assets, an improved overall loan 
portfolio, the management believes that ALLL is adequate based on all 
currently available information.

NON-INTEREST INCOME

The following table shows the details of non-interest income (in thousands) 
for the three and six months ended June 30, 1997 (Note: due to purchase 
accounting Western Bank is not included in the 1996 numbers):

<TABLE>
<CAPTION>
                                                             Three months ending June 30,
                                                --------------------------------------------------------
                                                                         1997                    1996
                                                --------------------------------------------
                                                  Western       The Company
                                                   Bank            NBSC       Consolidated    Consolidated
                                                -----------    ------------   ------------    ------------
<S>                                             <C>            <C>            <C>             <C>
Service charges                                 $       213    $       461    $       674     $      403
Escrow Fees                                               -            182            182            190
Gain on sale of loans and other assets                    -              -              -          1,003
Securities gains                                          -            230            230              -
Other income                                             96            245            341            346
                                                -----------    -----------    -----------     ----------
         Total non-interest income              $       309    $     1,118    $     1,427     $    1,942
                                                -----------    -----------    -----------     ----------
                                                -----------    -----------    -----------     ----------
<CAPTION>
                                                               Six months ending June 30, 
                                                --------------------------------------------------------
                                                                         1997                    1996
                                                ------------------------------------------
                                                  Western       The Company                         
                                                    Bank          & NBSC      Consolidated    Consolidated
                                                -----------    ------------   ------------    ------------
<S>                                             <C>            <C>            <C>             <C>
Service charges                                  $       547    $       893     $    1,440     $     837
Escrow fees                                               -            337            337            311
Gain on sale of loans and other assets                    -              -              -          1,003
Securities gains                                        107            230            337              -
Other income                                            110            547            657            676
                                                -----------    -----------    -----------     ----------
         Total non-interest income              $       764    $     2,007    $     2,771     $    2,827
                                                -----------    -----------    -----------     ----------
                                                -----------    -----------    -----------     ----------
</TABLE>

Non-interest income for the three months ended June 30, 1996 includes gain on 
sale of loans in the amount of $1,003,000 and June 30, 1997 includes gain on 
sale of securities in the amount of $230,000.  If adjusted for these 
non-recurring items, the total non-interest income for the second quarter of 
1997 increased by $258,000 which is approximately the amount of non-interest 
income of Western Bank.

Non-interest income for six months ended June 30, 1997 and 1996, if adjusted 
for the same non-recurring items as discussed above, increased by $610,000 
which is approximately the amount of non-interest income of Western Bank for 
six months ended June 30, 1997.

                                       12
<PAGE>

NON-INTEREST EXPENSE

The following table shows the details of non-interest expense for the three and
six months ended June 30, 1997 (in thousands) (Note: due to purchase accounting
Western Bank results are not included in the 1996 number):

<TABLE>
<CAPTION>
                                                                Three months ended June 30
                                                --------------------------------------------------------
                                                                           1997
                                                --------------------------------------------------------
                                                  Western       The Company                         
                                                    Bank          & NBSC      Consolidated       1996
                                                -----------    ------------   ------------    ----------
<S>                                             <C>            <C>            <C>             <C>

Salaries and benefits                            $    1,391    $     2,240    $     3,631     $    2,527
Occupancy                                               351            766          1,117            847
Advertising and business development                     70            151            221            218
Other real estate owned                                  46            (41)             5           (357)
Professional services                                   146            345            491          1,120
Telephone, stationery and supplies                      119            269            388            269
Goodwill amortization                                   499              -            499              -
Data processing                                         192            196            388            139
Customer services cost                                  160            180            340            143
Merger related costs                                      -          3,404          3,404              -
Other                                                   326            800          1,126            470
                                                -----------    -----------    -----------     ----------
         Total non-interest expense             $     3,300    $     8,310    $    11,610     $    5,376
                                                -----------    -----------    -----------     ----------
                                                -----------    -----------    -----------     ----------
Non-interest expense before goodwill 
amortization and merger related costs           $     2,801    $     4,906    $     7,707     $    5,376
                                                -----------    -----------    -----------     ----------
                                                -----------    -----------    -----------     ----------

<CAPTION>
                                                                Six months ended June 30, 
                                                --------------------------------------------------------
                                                                            1997
                                                --------------------------------------------------------
                                                  Western       The Company                         
                                                    Bank          & NBSC      Consolidated       1996
                                                -----------    ------------   ------------    ----------
<S>                                             <C>            <C>            <C>             <C>
Salaries and benefits                           $     2,931    $     4,833    $     7,764     $    5,130
Occupancy                                               676          1,524          2,200          1,516
Advertising and business development                    144            303            447            395
Other real estate owned                                  22             31             53           (252)
Professional services                                   248          1,046          1,294          1,470
Telephone, stationery and supplies                      217            568            785            516
Goodwill amortization                                   998              -            998              -
Data processing                                         306            360            666            260
Customer services cost                                  263            290            553            268
Merger related costs                                      -          3,404          3,404              -
Other                                                   590          1,338          1,928          1,168
                                                -----------    -----------    -----------     ----------
         Total non-interest expense             $     6,395    $    13,697    $    20,092     $   10,471
                                                -----------    -----------    -----------     ----------
                                                -----------    -----------    -----------     ----------
Non-interest expense before goodwill 
amortization and merger related costs           $     5,397    $    10,293    $    15,690     $   10,471
                                                -----------    -----------    -----------     ----------
                                                -----------    -----------    -----------     ----------
</TABLE>

Merger related costs include approximately $1,350,000 of investment banking 
fees, $923,000 of other professional and filing fees, and $1,131,000 of 
compensation related costs.  The tax benefits for these costs are 
approximately $395,000.

Non-interest expense for the three and six months ended June 30, 1997 
includes goodwill amortization in the amount of $499,000 and $998,000, 
respectively.  Also included in the three months and six months ended June 
30, 1996 non-interest expense is non-recurring merger related cost of 
$3,404,000.  If adjusted for the above items the total non-interest expense 
increased by $2,331,000 for the three months ending June 30, 1997 compared to 
the same period in 1996 which was mostly due to expenses at Western Bank and 
efficiency improvements at the Company overall. Western Bank's non-interest 
expense net of amortization of goodwill was $2,801,000.

Non-interest expense for the six months ended June 30, 1997 increased by 
$9,621,000.  If adjusted for the amortization of goodwill and merger related 
costs, the net increase was $5,219,000 due mostly to expenses at Western 
Bank. Western Bank's and the Company's non-interest expense net of 
amortization of goodwill for the six months ended June 30, 1996 was $5,397,000.

The decrease in professional services from 1996 to 1997 for both the three 
month and six month periods is due mostly to the reduction in legal expenses 
associated with various litigations. The increase in other expense for the 
same periods consists of several smaller items.                              

                                      13 

<PAGE>

CREDIT QUALITY AND ANALYSIS

The Company defines non-performing assets to include (i) loans on which it has
ceased to accrue interest ("Nonaccrual Loans"), (ii) foreclosed real estate
owned, and (iii) those loans whose terms have been modified such that the
interest rates charged to the borrowers have been reduced to levels below the
original contract rates and below market rates of interest at both the time of
modification and the reporting date ("Modified Loans").

Planned workout arrangements are currently in place for all non-performing
assets, and, unless there are any unexpected changes in the financial condition
of the borrowers, management is not aware of any additional significant loss
potential that has not already been included in the ALLL.

The following table show the historical trends in nonperforming assets and
comparative key credit statistics at the Company (In thousands):


<TABLE>
<CAPTION>
                                               June 30, 1997     December 31, 1996
                                              -------------      ------------------
<S>                                           <C>                <C>
Past due 90 days or more and still accruing     $     422             $    -

Nonaccrual loans                                $   7,375             $ 13,310
Other real estate owned                             7,026                6,546
                                                ---------             --------
   Nonperforming assets                         $  14,401             $ 19,856
                                                ---------             --------
                                                ---------             --------

Impaired loans - gross                          $   7,815             $ 13,940
Allocated reserves                                     44                  575
                                                ---------             --------
   Net investments in impaired loans            $   7,771             $ 13,365
                                                ---------             --------
                                                ---------             --------

ALLL                                            $  10,283             $ 10,810
   
Gross loans (net of unearned discount)          $ 499,195             $468,949

ALLL to loans                                        2.06%                2.31%
ALLL to nonaccrual loans                           139.43%               81.22%
ALLL to nonperforming assets                       71.40%                54.44%

Nonperforming assets to loans and OREO              2.84%                 4.18%

</TABLE>

                                       14
<PAGE>

The Company has established a monitoring system for its loans in order to 
identify impaired loans, potential problem loans and to permit periodic 
evaluation of impairment and the adequacy of the allowance for loan losses in 
a timely manner.  The monitoring system and ALLL methodology have evolved 
over a period of years and loan classifications have been incorporated into 
the determination of the ALLL.  This monitoring system and allowance 
methodology include a loan-by-loan analysis for all classified loans as well 
as loss factors for the balance of the portfolio that are based on migration 
analysis relative to the unclassified portfolio.  This analysis includes such 
factors as historical loss experience, current portfolio delinquency and 
trends and other inherent risk factors such as economic conditions, risk 
levels of particular loan categories, internal loan review and oversight, 
concentrations in the portfolio and changes in the quality of the lending 
staff of the Bank.

On June 30, 1997, the Company had approximately $7,815,000 of loans which 
were considered to be impaired, which decreased from $13,940,000 at 
December 31, 1996.  There were allocated reserves of approximately $44,000
on these loans at June 30, 1997.  Of these loans, $5,666,000 are on 
nonaccrual status.

LIQUIDITY AND INTEREST RATE SENSITIVITY MANAGEMENT

On a stand-alone basis, the Company's sources of liquidity include dividends 
from the Banks and outside borrowings.  The amount of dividends that the 
Banks can pay to the Company is restricted by regulatory guidelines.

The primary functions of asset/liability management are to assure adequate 
liquidity and maintain an appropriate balance between interest-sensitive 
earning assets and interest-bearing liabilities.  Liquidity management 
involves the ability to meet the cash flow requirements of customers who may 
be either depositors wanting to withdraw funds or borrowers who may need 
assurance that sufficient funds will be available to meet their credit needs. 
Interest rate sensitivity management seeks to avoid fluctuating interest 
margins and to enhance consistent growth of net interest income through 
periods of changing interest rates.

Historically, the overall liquidity of the Company is based on its core 
deposit base.  The Company has not relied on large 
denomination time deposits.

To meet short-term liquidity needs, the Company has maintained adequate 
balances in federal funds sold, certificates of deposits with other financial 
institutions and investments securities having maturities of five years or 
less. Liquid assets (cash, federal funds sold and investment securities 
available for sale) as a percent of total deposits are 39.6% and 43.4% as of 
June 30, 1997 and December 31, 1996, respectively.

                                       15
<PAGE>

REGULATORY MATTERS

The Regulatory Capital Guidelines as well as the actual capitalization for NBSC,
Western and the Company as of June 30, 1997 follow:

<TABLE>
<CAPTION>
                                                     Regulatory Requirements                                       Actual
                                    -----------------------------------------------------------------------------------------------
                                               Adequately                     Well                           Western     Company
                                              Capitalized                  Capitalized                NBSC     Bank    Consolidated
                                      (Greater than or equal to)      (Greater than or equal to)  
                                    ------------------------------  -------------------------------  ------  --------  ------------
<S>                                 <C>                             <C>                              <C>     <C>       <C>
Detailed computations of
   Tier 1 leverage capital ratio                             4.00%                            5.00%    7.52%     7.20%       5.99%
   Tier 1 risk-based capital ratio                           4.00%                            6.00%   10.46%    12.17%       9.42%
   Total risk-based capital                                  8.00%                           10.00%   11.71%    13.43%      10.67%

</TABLE>




                                       16
<PAGE>


PART II -- OTHER INFORMATION

ITEM 1.  LEGAL PROCEEDINGS

         NONE

ITEM 2.  CHANGES IN SECURITIES

         NONE

ITEM 3.  DEFAULTS UPON SENIOR SECURITIES

         NONE

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

The Company held its 1997 Annual Meeting of Shareholders on June 2, 1997.  There
were 34,373,017 issued and outstanding shares of Common Stock of the Company on
April 21, 1997, the Record Date for the Annual Meeting.  All share counts
indicated below are prior to the 8.5 to 1 reverse stock split approved by the
shareholders at this meeting.

At the Annual Meeting, the following actions were taken:

The following directors were elected.  The following chart indicates the 
number of shares cast for each elected director:

    Rice E. Brown                      27,286,801
    Joseph J. Digange                  27,314,801
    John M. Eggemeyer                  27,314,277
    John W. Rose                       27,314,277
    Hugh S. Smith, Jr.                 27,314,801
    Matthew P. Wagner                  27,314,801
    Dale E. Walter                     27,314,801
                                                 
                                                 
Approval of the principal terms of the Amended and Restated Agreement 
and Plan of Merger, dated as of December 19, 1996, by and between the 
Company and California Commercial Bankshares ("CCB"):

    FOR                                28,781,620
    AGAINST                                 2,515
    ABSTAIN                                 1,593
    BROKER NON VOTES                      425,811



                                       17
<PAGE>

Approval of an ammendment to the Company's Ammended Articles of Incorporation to
effect a one for 8.5 reverse stock split of the common stock of the Company:

    FOR                                29,177,625
    AGAINST                                 3,480
    ABSTAIN                                15,079
    BROKER NON VOTES                       15,355

Item 6.  Exhibits and Reports on Form 8-K

             (a) EXHIBITS:

EXHIBIT
NUMBER       DESCRIPTION
- ------

2.1          Agreement and plan of Merger, dated as of April 29, 1997, 
             between Western Bancorp and SC Bancorp (Exhibit 99.1 of Western 
             Bancorp's Schedule 13D, dated May 9, 1997 incorporated by 
             reference)

2.2          Agreement and plan of Merger, dated as of July 30, 1997, by and 
             among Western Bancorp, Western Bank and Santa Monica Bank

3.1          Restated Articles of Incorporation of Western Bancorp (Exhibit 
             3.6 of Registration Statement No. 333-26915 incorporated by 
             reference)

3.2          Bylaws of Western Bancorp (Exhibit 3.2 of Registration Statement 
             No. 2-84426 incorporated by reference)

3.4          Amended Bylaws of Western Bancorp approved on October 19, 1988 
             (Exhibit 3.4 of 12/31/89 Annual Report on Form 10-K incorporated 
             by reference)

3.5          Amended Bylaws of Western Bancorp approved on February 29, 1996 
             (Exhibit 3.5 of 12/31/95 Annual Report on Form 10-KSB incorporated 
             by reference)

10.1         Stock Option Agreement, dated as of April 29, 1997, between 
             Western Bancorp and SC Bancorp (Exhibit 99.2 of Western Bancorp's
             Schedule 13D, dated May 9, 1997 incorporated by reference)

11.1         Computation of Per Share Earnings (see "Consolidated Condensed 
             Statements of Income" contained in Item 1 of Western Bancorp's 
             6/30/97 Quarterly Report on Form 10-Q)

27.1         Financial Data Schedule

             (b) REPORTS ON FORM 8-K:


On April 14, 1997, the Company filed a Current Report on Form 8-K announcing
first quarter earnings.

On May 2, 1997, the Company filed a Current Report on Form 8-K announcing the
signing of a definitive agreement to acquire SC Bancorp.

On June 19, 1997, the Company filed a Current Report on Form 8-K announcing the
completion of  the acquisition of California Commercial Bankshares and
announcing the results of the shareholder vote described in Item 4 above.

On July 17, 1997, the Company filed a Current Report on Form 8-K which included
the restated financial statements for the merger of the Company with CCB and
announcing second quarter earnings.

On August 11, 1997, the Company filed a Current Report on Form 8-K announcing 
the signing of a definitive agreement to acquire Santa Monica Bank, the 
receipt of regulatory approval for the SC Bancorp acquisition and the 
establishment of a final exchange ratio for the SC Bancorp acquisition.

                                       18
<PAGE>
                                      SIGNATURES
                                           

In accordance with 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 duly authorized.

                                       WESTERN BANCORP


Date: August 14, 1997                  /s/ HUGH S. SMITH, JR.
                                       -------------------------------------
                                       Hugh S. Smith, Jr.
                                       Chairman and Chief Executive Officer

Date: August 14, 1997                  /s/ ARNOLD C. HAHN
                                       -------------------------------------
                                       Arnold C. Hahn
                                       Chief Financial Officer

                                       19


<PAGE>

- -------------------------------------------------------------------------------









                          AGREEMENT AND PLAN OF MERGER

                     DATED AS OF THE 30th DAY OF JULY, 1997

                                  BY AND AMONG

                                WESTERN BANCORP,
                                        
                                  WESTERN BANK

                                       AND

                                SANTA MONICA BANK









- -------------------------------------------------------------------------------

<PAGE>

                            TABLE OF CONTENTS

RECITALS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  1

                         ARTICLE I.  THE MERGERS

SECTION 1.1.  Structure of the Merger. . . . . . . . . . . . . . . . . . . .  3

SECTION 1.2.  Effect on Outstanding Shares . . . . . . . . . . . . . . . . .  3
SECTION 1.3.  Election Procedures; Allocation. . . . . . . . . . . . . . . .  5
SECTION 1.4.  Exchange Procedures. . . . . . . . . . . . . . . . . . . . . .  8
SECTION 1.5.  Options. . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

                ARTICLE II.  CONDUCT PENDING THE MERGER

SECTION 2.1   Conduct of Business Prior to the
              Effective Time . . . . . . . . . . . . . . . . . . . . . . . . 11
SECTION 2.2   Forbearance. . . . . . . . . . . . . . . . . . . . . . . . . . 11
SECTION 2.3.  Cooperation. . . . . . . . . . . . . . . . . . . . . . . . . . 14

             ARTICLE III.  REPRESENTATIONS AND WARRANTIES

SECTION 3.1.  Representations and Warranties of
              the Company. . . . . . . . . . . . . . . . . . . . . . . . . . 15
SECTION 3.2.  Representations and Warranties of Western. . . . . . . . . . . 32

                         ARTICLE IV.  COVENANTS

SECTION 4.1.  Acquisition Proposals. . . . . . . . . . . . . . . . . . . . . 48
SECTION 4.2.  Certain Policies of the Company. . . . . . . . . . . . . . . . 48
SECTION 4.3.  Employee Benefits. . . . . . . . . . . . . . . . . . . . . . . 49
SECTION 4.4.  Access and Information . . . . . . . . . . . . . . . . . . . . 50
SECTION 4.5.  Certain Filings, Consents
              and Arrangements . . . . . . . . . . . . . . . . . . . . . . . 50
SECTION 4.6.  Indemnification; Directors'
              and Officers' Insurance. . . . . . . . . . . . . . . . . . . . 51
SECTION 4.7.  Additional Agreements. . . . . . . . . . . . . . . . . . . . . 53
SECTION 4.8.  Publicity. . . . . . . . . . . . . . . . . . . . . . . . . . . 53
SECTION 4.9.  Registration Statement . . . . . . . . . . . . . . . . . . . . 54
SECTION 4.10. Shareholders' Meetings . . . . . . . . . . . . . . . . . . . . 54
SECTION 4.11. Notification of Certain Matters. . . . . . . . . . . . . . . . 55
SECTION 4.12. No Acquisitions of Company Common Stock. . . . . . . . . . . . 55
SECTION 4.13. Securities Act . . . . . . . . . . . . . . . . . . . . . . . . 55
SECTION 4.14. Tax-Free Reorganization Treatment. . . . . . . . . . . . . . . 56
SECTION 4.15. Shareholder Agreements . . . . . . . . . . . . . . . . . . . . 56
SECTION 4.16. Director and Officer Resignations. . . . . . . . . . . . . . . 56



                                    -i-

<PAGE>

                 ARTICLE V.  CONDITIONS TO CONSUMMATION                        

SECTION 5.1.  Conditions to All Parties' Obligations . . . . . . . . . . . . 56
SECTION 5.2.  Conditions to the Obligations
              of Western . . . . . . . . . . . . . . . . . . . . . . . . . . 58
SECTION 5.3.  Conditions to the Obligation of
              the Company. . . . . . . . . . . . . . . . . . . . . . . . . . 60

                       ARTICLE VI.  TERMINATION

SECTION 6.1.  Termination. . . . . . . . . . . . . . . . . . . . . . . . . . 61
SECTION 6.2.  Effect of Termination. . . . . . . . . . . . . . . . . . . . . 62

            ARTICLE VII.  EFFECTIVE DATE AND EFFECTIVE TIME

SECTION 7.1.  Effective Date and Effective Time. . . . . . . . . . . . . . . 64

                     ARTICLE VIII.  OTHER MATTERS

SECTION 8.1.  Certain Definitions; Interpretation. . . . . . . . . . . . . . 64
SECTION 8.2.  Survival . . . . . . . . . . . . . . . . . . . . . . . . . . . 65
SECTION 8.3.  Waiver . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65
SECTION 8.4.  Counterparts . . . . . . . . . . . . . . . . . . . . . . . . . 66
SECTION 8.5.  Governing Law. . . . . . . . . . . . . . . . . . . . . . . . . 66
SECTION 8.6.  Waiver of Jury Trial . . . . . . . . . . . . . . . . . . . . . 66
SECTION 8.7.  Expenses . . . . . . . . . . . . . . . . . . . . . . . . . . . 66
SECTION 8.8.  Notices. . . . . . . . . . . . . . . . . . . . . . . . . . . . 66
SECTION 8.9.  Entire Agreement; Etc. . . . . . . . . . . . . . . . . . . . . 67
SECTION 8.10. Assignment . . . . . . . . . . . . . . . . . . . . . . . . . . 67



                                   -ii-

<PAGE>

                              INDEX OF DEFINED TERMS                           


Acquisition Proposal . . . . . . . . . . . . . . . . . . . . . . . .  2, 18, 47
Affiliates . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 54
BHC Act. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  1
BIF. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Code . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  3
Company. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  1
Company Book Value . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 63
Company Common Stock . . . . . . . . . . . . . . . . . . . . . . . . . . . .  2
Company Disclosure Letter. . . . . . . . . . . . . . . . . . . . . . . . . . 14
Company Employee Plans . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
Company ERISA Affiliate. . . . . . . . . . . . . . . . . . . . . . . . . . . 22
Company ERISA Affiliate Plan . . . . . . . . . . . . . . . . . . . . . . . . 22
Company Pension Employee . . . . . . . . . . . . . . . . . . . . . . . . . . 22
Company Properties . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
Company Reports. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Company Rights . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  2
Costs. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50
Covered Person . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
Dissenters' Rights Condition . . . . . . . . . . . . . . . . . . . . . . . . 58
Effective Date . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 63
Effective Time . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 63
Environmental Law. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
ERISA. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
ERISA Affiliate. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
FDIC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Federal Reserve Board. . . . . . . . . . . . . . . . . . . . . . . . . . . .  1
GAAP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 63
Government Regulators. . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
Hazardous Substance. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
Indemnified Parties. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50
IRS. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
Material . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 63
Material Adverse Effect. . . . . . . . . . . . . . . . . . . . . . . . . . . 63
Maximum Amount . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51
Meeting. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53
Monarch. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  1
Monarch Common Stock . . . . . . . . . . . . . . . . . . . . . . . . . . . .  1
Monarch Disclosure Letter. . . . . . . . . . . . . . . . . . . . . . . . . . 31
Monarch Employee Plans . . . . . . . . . . . . . . . . . . . . . . . . . . . 38
Monarch ERISA Affiliate. . . . . . . . . . . . . . . . . . . . . . . . . . . 38
Monarch ERISA Affiliate Plan . . . . . . . . . . . . . . . . . . . . . . . . 38
Monarch Pension Plan . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38
Monarch Properties . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42
Monarch Reports. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33



                                  -iii-

<PAGE>

Monarch Rights . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  1
OREO . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
PBGC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
Person . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 63
Plan . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  1
Registration Statement . . . . . . . . . . . . . . . . . . . . . . . . . . . 53
Regulatory Agencies. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Securities Act . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
Securities Exchange Act. . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Significant Subsidiaries . . . . . . . . . . . . . . . . . . . . . . . . . . 31
SRO. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
State Regulator. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Subsidiary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 63



                                    -iv-
<PAGE>

          AGREEMENT AND PLAN OF MERGER, dated as of the 30th day of July, 1997
(this "Plan"), by and among Western Bancorp, a California corporation
("Western"), Western Bank, a California banking corporation ("Western Bank"),
and Santa Monica Bank, a California banking corporation (the "Company").


                                    RECITALS:

          A.  WESTERN.  Western is a corporation duly incorporated, validly
existing and in good standing under the laws of the State of California, with
its principal executive offices located in Newport Beach, California.  As of the
date hereof, Western has (i) 100 million authorized shares of common stock, no
par value ("Western Common Stock"), of which no more than 7,514,155 shares were
outstanding as of the date hereof (including 444,044 shares to be issued upon
the completion of the exercise of certain options and warrants), (ii) 5 million
authorized shares of preferred stock, none of which were outstanding, and (iii)
no other class of capital stock authorized.  Western is a bank holding company
duly registered with the Board of Governors of the Federal Reserve System (the
"Federal Reserve Board") under the Bank Holding Company Act of 1956, as amended
(the "BHC Act").  

          B.  WESTERN RIGHTS, ETC.  Western does not have any shares of its
capital stock reserved for issuance, any outstanding option, call or commitment
relating to shares of its capital stock or any outstanding securities,
obligations or agreements convertible into or exchangeable for, or giving any
person any right (including, without limitation, preemptive rights) to subscribe
for or acquire from it, any shares of its capital stock (collectively, "Western
Rights"), except pursuant to the options, warrants, awards and other rights
described on Annex 1 (which includes details on the terms and conditions of any
such Western Rights, including the grantee, vesting periods and exercise prices
of any options and the exercise price of any warrants).

          C.  WESTERN BANK.  Western Bank is a banking corporation duly
incorporated, validly existing and in good standing under the laws of the State
of California, with its principal executive offices located in Los Angeles,


                                       
<PAGE>

California.  As of the date hereof, Western owns all of the issued and
outstanding common stock, no par value, of Western Bank ("Western Bank Common
Stock"), of which there were no shares to be issued upon the completion of the
exercise of options, warrants and awards.  Western Bank is a bank licensed by
the California Commissioner of Financial Institutions (the "Commissioner"). 

          D.  WESTERN BANK RIGHTS, ETC.  Western Bank does not have any shares
of its capital stock reserved for issuance, any outstanding option, call or
commitment relating to shares of its capital stock or any outstanding
securities, obligations or agreements convertible into or exchangeable for, or
giving any person any right (including, without limitation, preemptive rights)
to subscribe for or acquire from it, any shares of its capital stock.

          E.  THE COMPANY.  The Company is a banking corporation duly
incorporated, validly existing and in good standing under the laws of the State
of California, with its principal executive offices located in Santa Monica,
California.  As of the date hereof, the Company has (i) 50,000,000 authorized
shares of common stock, par value $3.00 per share ("Company Common Stock"), of
which no more than 7,077,332 shares were outstanding as of the date hereof
(including 16,224 shares to be issued upon the completion of the exercise of
certain options, warrants and awards) and (ii) no other class of capital stock
authorized.  The Company is a bank licensed by the Commissioner.

          F.  COMPANY RIGHTS, ETC.  The Company does not have any shares of its
capital stock reserved for issuance, any outstanding option, call or commitment
relating to shares of its capital stock or any outstanding securities,
obligations or agreements convertible into or exchangeable for, or giving any
person any right (including, without limitation, preemptive rights) to subscribe
for or acquire from it, any shares of its capital stock (collectively, "Company
Rights"), except pursuant to the options, warrants, awards and other rights
described on Annex 2 (which includes details on the terms and conditions of any
Company Rights, including the grantee, vesting periods and exercise prices of
any options).

          G.  BOARD APPROVALS.  The respective Boards of Directors of Western,
Western Bank and the Company have duly 


                                     -2-
<PAGE>

approved this Plan and have duly authorized its execution and delivery.

          H.  INTENTION OF THE PARTIES.  Except under the circumstances
described in Section 1.3(c)(iii) of this Plan, it is the intention of the
parties to this Plan that the Merger (as hereinafter defined) for federal income
tax purposes shall qualify as a "reorganization" within the meaning of
Section 368 of the Internal Revenue Code of 1986, as amended (the "Code").

          In consideration of their mutual promises and obligations hereunder,
the parties hereto adopt and make this Plan and prescribe the terms and
conditions hereof and the manner and basis of carrying it into effect, which
shall be as follows:


                             ARTICLE I.  THE MERGERS

          SECTION 1.1.  STRUCTURE OF THE MERGER.  On the Effective Date (as
defined in Section 7.1), the Company will merge (the "Merger", which term shall
include the merger identified in Section 1.3(c)(iii)(B) unless the context
otherwise requires) with and into Western Bank, with Western Bank being the
surviving corporation (the "Surviving Corporation"), pursuant to the provisions
of, and with the effect provided in, the California General Corporation Law
("CGCL").  At the Effective Time (as defined in Section 7.1), the articles of
incorporation and by-laws of the Surviving Corporation shall be the articles of
incorporation and by-laws of Western Bank in effect immediately prior to the
Effective Time, except that the articles of incorporation shall provide that the
name of the Surviving Corporation shall be Santa Monica Bank.  At the Effective
Time, the directors and officers of the Surviving Corporation shall be the
directors and officers of Western Bank except that Aubrey L. Austin shall be
elected to the board of directors and shall be named the Chairman, President and
Chief Executive Officer of the Surviving Corporation. 

          SECTION 1.2.  EFFECT ON OUTSTANDING SHARES.  
          (a)  (i) By virtue of the Merger, automatically and without any action
on the part of the holder thereof, each share of Company Common Stock issued and
outstanding at the Effective Time (other than (x) shares the holder of


                                     -3-
<PAGE>

which, pursuant to any applicable law providing for dissenters' or appraisal 
rights, is entitled to receive payment in accordance with the provisions of any 
such law, such holder to have only the rights provided in any such law (the 
"Dissenters' Shares"), and (y) shares held directly or indirectly by Western, 
other than shares held in a fiduciary capacity or in satisfaction of a debt 
previously contracted) (the aggregate number of all such shares being 
hereinafter referred to as the "Outstanding Company Share Number") shall become 
and be converted into the right to receive, at the election of each holder 
thereof, but subject to the election and allocation procedures of this Section 
1.2(a), the other provisions of this Section 1.2 and Section 1.3, either:

          (A) $28 in cash without interest (the "Cash Consideration"), or

          (B) 0.875 shares of Western Common Stock (the "Conversion Number") (as
          it may be increased as described in this Section 1.2(a), the "Stock
          Consideration");

     provided that, subject to Section 1.3(c)(iv), no more than 50% of the
     outstanding shares of Company Common Stock shall be converted into the
     right to receive Stock Consideration (such number of shares of Company
     Common Stock, the "Stock Number"), and provided further that, at any time
     prior to the Company's Meeting, Western, at its sole option, may increase
     the Stock Consideration, and thereafter in the event that the condition set
     forth in Section 5.1(g) is not fulfilled or waived, Western, at its sole
     option, may increase the Stock Consideration to the extent necessary to
     permit such condition to be fulfilled.   

          (b)  As of the Effective Time, each share of Company Common Stock held
directly or indirectly by Western, other than shares held in a fiduciary
capacity or in satisfaction of a debt previously contracted, shall be canceled
and retired and cease to exist, and no exchange or payment shall be made with
respect thereto. If Western effects a stock dividend, reclassification,
recapitalization, split-up, combination, exchange of shares or similar
transaction, after the date hereof and before the Effective Time, the Conversion
Number shall be appropriately adjusted.


                                     -4-
<PAGE>

          (c)  No fractional shares of Western Common Stock shall be issued
pursuant hereto.  In lieu of the issuance of any fractional share of Western
Common Stock pursuant to Section 1.2(a), a cash adjustment will be paid to
holders in respect of any fractional share of Western Common Stock that would
otherwise be issuable.  The amount of such cash adjustment (the "Cash In Lieu")
shall be equal to such fractional proportion of the price of a share of Western
Common Stock as of the close of business on the day immediately prior to the
Effective Time (the "Value Date").

          (d)  The shares of Western Bank Common Stock issued and outstanding
immediately prior to the Effective Time shall remain outstanding and unchanged
after the Merger and shall thereafter constitute all of the issued and
outstanding shares of the capital stock of the Surviving Corporation.

          SECTION 1.3.  ELECTION PROCEDURES; ALLOCATION.
(a)  Subject to allocation and proration in accordance with the provisions of 
this Section 1.3, each record holder of shares of the Company Common Stock 
(other than Dissenters' Shares and shares of Company Common Stock to be 
canceled in accordance with Section 1.2(b)) immediately prior to the Election 
Deadline (as defined below) will be entitled to elect to receive Cash 
Consideration in respect of all or some of the shares of Company Common Stock 
("Cash Election Shares") formerly held by such record holder.  All such 
elections (each, an "Election") shall be made on a form designed for that 
purpose by Western and reasonably acceptable to the Company (an "Election 
Form").  Any shares of Company Common Stock (other than Dissenters' Shares and 
shares of Company Common Stock to be canceled in accordance with Section 
1.2(b)) with respect to which the record holder thereof shall not, as of the 
Election Deadline, have properly submitted to the Exchange Agent (as defined 
below) a properly completed Election Form shall be deemed to be shares with 
respect to which such holder has elected to receive the Stock Consideration 
("Stock Election Shares").  A record holder acting in different capacities or 
acting on behalf of other persons in any way shall be entitled to submit an 
Election Form for each capacity in which such record holder so acts with 
respect to each person for which it so acts.

          (b)  Not later than the 35th calendar day prior to the anticipated
Effective Date or such other date as the


                                     -5-
<PAGE>

Parties may agree in writing (the "Mailing Date"), Western shall mail an 
Election Form, together with appropriate transmittal materials, to each holder 
of record of Company Common Stock immediately prior to the Mailing Date.  To be 
effective, an Election Form must be properly completed, signed and actually 
received by the Exchange Agent not later than 5:00 p.m., California time, on 
the 30th calendar day after the Mailing Date (or such other time and date as 
Western and the Company may mutually agree)(the "Election Deadline"), and 
accompanied by the certificates formerly representing all the shares of Company 
Common Stock ("Certificates") as to which the Election is being made (or an 
appropriate guarantee of delivery by an eligible organization).  Such bank or 
trust company as Western shall elect (which may be a subsidiary of Western) 
shall act as exchange agent (the "Exchange Agent").  Western shall have 
reasonable discretion, which it may delegate in whole or in part to the 
Exchange Agent, to determine whether Election Forms have been properly 
completed, signed and timely submitted or to disregard defects in Election 
Forms; such decisions of Western (or of the Exchange Agent) shall be conclusive 
and binding.  Neither Western nor the Exchange Agent shall be under any 
obligation to notify any person of any defect in an Election Form submitted to 
the Exchange Agent.  The Exchange Agent and Western shall also make all 
computations contemplated by this Section 1.3, and all such computations shall 
be conclusive and binding on the former holders of Company Common Stock absent 
manifest error.  Shares of Company Common Stock covered by an Election Form 
which is not effective shall be treated as Stock Election Shares. Any Election 
may be revoked or changed by the person submitting such Election Form to the 
Exchange Agent by written notice to the Exchange Agent only if such notice is 
actually received by the Exchange Agent on or prior to the Election Deadline.

          (c)  Within 5 days after the Election Deadline, unless the Effective
Time has not yet occurred, in which case as soon thereafter as practicable,
Western shall cause the Exchange Agent to effect the allocation among the
holders of Company Common Stock of rights to receive Stock Consideration or Cash
Consideration in the Merger in accordance with the Election Forms as follows:   

          (i)  If the number of Stock Election Shares (on the basis of Election
     Forms received as of the Election Deadline) is less than the Stock Number,
     subject to


                                     -6-
<PAGE>

     Section 1.3(c)(iii) below, (A) each Stock Election Share shall be deemed 
     to be converted into the right to receive the Stock Consideration and 
     (B) each Cash Election Share shall be deemed to be converted into the right
     to receive the Cash Consideration.

          (ii)  Subject to Section 1.3(c)(iv) below, if the number of Stock
     Election Shares is greater than the Stock Number, then (A) each Cash
     Election Share shall be deemed to be converted into the right to receive
     Cash Consideration and (B) Stock Election Shares shall be deemed converted
     into Cash Election Shares, on a pro-rata basis for each record holder of
     Company Common Stock with respect to those shares, if any, of such record
     holder that are Stock Election Shares, so that the number of Stock Election
     Shares not so converted shall equal as closely as practicable the Stock
     Number; each such Stock Election Share so converted into a Cash Election
     Share shall be deemed to be converted into the right to receive the Cash
     Consideration and each Stock Election Share not so converted shall be
     deemed to be converted into the right to receive the Stock Consideration.

          (iii)  Notwithstanding the foregoing, if the aggregate amount of Cash
     Consideration to be paid in the Merger according to the allocation
     procedures set forth above plus (i) the amount of Cash in Lieu distributed
     to former holders of Company Common Stock in the Merger and (ii) amounts
     paid or payable with respect to any Dissenters' Shares (the "Cash Amount")
     would exceed 60% of the sum of the Cash Amount and the aggregate value of
     the Stock Consideration (determined by reference to the closing price per
     share of Western Common Stock, as reported on the NASDAQ National Market,
     on the Value Date) to be delivered in the Merger, and Western does not
     elect to increase the Stock Consideration to permit the condition set forth
     in Section 5.1(g) to be fulfilled, such condition shall be waived and each
     share of Company Common Stock shall be deemed to be converted into the
     right to receive the Cash Consideration.  In such event, (A) the covenant
     in Section 4.14 shall be deemed waived by all parties hereto, (B) the
     Merger shall be effected by the merger of a DE NOVO wholly-owned Subsidiary
     of Western into the Company, with the Company being the Surviving
     Corporation for all purposes herein, (C) the Effective


                                     -7-
<PAGE>

     Time shall be not later than 10 business days after the Election Deadline 
     and (D) the agreement of merger to be executed and filed on the Effective 
     Date pursuant to Section 7.1 shall reflect the foregoing.  Promptly after 
     such merger, the Surviving Corporation shall combine with Western Bank, 
     under the name Santa Monica Bank.
     
          (iv)  At the sole discretion of Western, the number of Stock Election
     Shares may be greater than the Stock Number.

          SECTION 1.4.  EXCHANGE PROCEDURES. (a)  As of the Effective Time,
Western shall deposit, or shall cause to be deposited, with the Exchange Agent,
for the benefit of the holders of shares of Company Common Stock, for exchange
in accordance with Section 1.3 and this Section 1.4, the Cash Consideration, the
Stock Consideration and the Cash In Lieu (such Cash Consideration, Stock
Consideration and Cash in Lieu, together with any dividends or distributions
with respect thereto, being hereinafter referred to as the "Exchange Fund") to
be paid pursuant to Sections 1.2 and 1.3 and deposited pursuant to this Section
1.4 in exchange for outstanding shares of Company Common Stock.

          (b)  The letter of transmittal which accompanies the Election Form 
(which shall specify that delivery shall be effected, and risk of loss and 
title to the Certificates shall pass, only upon delivery of the Certificates to 
the Exchange Agent) shall be in a form and contain any other provisions as 
Western may reasonably determine.  Upon the proper surrender of a Certificate 
to the Exchange Agent, together with a properly completed and duly executed 
letter of transmittal, the holder of such Certificate shall be entitled to 
receive in exchange therefor the Cash Consideration, Stock Consideration and/or 
Cash in Lieu as provided herein and unpaid dividends and distributions, if any, 
which such holder has the right to receive in respect of the Certificate 
surrendered pursuant to the provisions hereof, and the Certificate so 
surrendered shall forthwith be canceled.  No interest will be paid or accrued 
on the Cash Consideration or the Cash In Lieu and unpaid dividends and 
distributions, if any, payable to holders of Certificates.  In the event of a 
transfer of ownership of any shares of Company Common Stock not registered in 
the transfer records of the Company, a certificate representing the proper 
number of shares of Western Common Stock and/or a 


                                     -8-

<PAGE>

check for the Cash Consideration or Cash In Lieu, may be issued to the 
transferee if the Certificate representing such Company Common Stock is 
presented to the Exchange Agent, accompanied by documents sufficient, in the 
discretion of Western, (i) to evidence and effect such transfer and (ii) to 
evidence that all applicable stock transfer taxes have been paid.

          (c)  Whenever a dividend or other distribution is declared by Western
on Western Common Stock, the record date for which is after the Effective Time,
the declaration shall include dividends or other distributions on all shares
issuable pursuant to this Plan; PROVIDED that no dividend or other distribution
declared or made on Western Common Stock shall be paid to the holder of any
Certificate with respect to the shares of Western Common Stock represented
thereby until the holder of such Certificate shall duly surrender such
Certificate in accordance with this Section 1.4.  Following such surrender of
any such Certificate, there shall be paid to the holder of the certificates
representing whole shares of Western Common Stock issued in exchange therefor,
without interest, (i) at the time of such surrender, the amount of dividends or
other distributions, having a record date after the Effective Time and a payment
date prior to surrender, payable with respect to such whole shares of Western
Common Stock and not yet paid and (ii) at the appropriate payment date, the
amount of dividends or other distributions, having a record date after the
Effective Time but prior to surrender, and a payment date subsequent to
surrender payable with respect to such whole shares of Western Common Stock.

          (d)  From and after the Effective Time, there shall be no transfers on
the stock transfer records of the Company of any shares of Company Common Stock
that were outstanding immediately prior to the Effective Time.  If Certificates
are presented to Western or the Surviving Corporation after the Effective Time,
they shall be canceled and exchanged for the Stock Consideration, Cash
Consideration and/or Cash in Lieu as provided for in this Article I.

          (e)  Any portion of the Exchange Fund (including the proceeds of any
investments thereof and any Western Common Stock) that remains unclaimed by the
shareholders of the Company for six months after the Effective Time shall be
repaid by the Exchange Agent to Western.  Any shareholders


                                     -9-
<PAGE>

of the Company who have not theretofore complied with this Section 1.3 shall 
thereafter look only to Western for payment of the Cash Consideration, Stock 
Consideration, Cash In Lieu and any unpaid dividends and distributions on the 
Western Common Stock deliverable in respect of each share of Company Common 
Stock such stockholder holds as determined pursuant to this Plan, in each case, 
without any interest thereon.  If outstanding certificates for shares of 
Company Common Stock are not surrendered or the payment for them not claimed 
prior to the date on which such payments would otherwise escheat to or become 
the property of any governmental unit or agency, the unclaimed items shall, to 
the extent permitted by abandoned property and any other applicable law, become 
the property of Western (and to the extent not in its possession shall be paid 
over to it), free and clear of all claims or interest of any person previously 
entitled to such claims. Notwithstanding the foregoing, none of Western, 
Western Bank, the Exchange Agent or any other person shall be liable to any 
former holder of Company Common Stock for any amount delivered to a public 
official pursuant to applicable abandoned property, escheat or similar laws.

          (f)  In the event any Certificate shall have been lost, stolen or
destroyed, upon the making of an affidavit of that fact by the person claiming
such Certificate to be lost, stolen or destroyed and, if required by Western,
the posting by such person of a bond in such amount as Western may direct as
indemnity against any claim that may be made against it with respect to such
Certificate, the Exchange Agent will issue in exchange for such lost, stolen or
destroyed Certificate the Cash Consideration, the Stock Consideration and the
Cash In Lieu deliverable (and any unpaid dividends and distributions) in respect
thereof pursuant to this Plan.

          SECTION 1.5.  OPTIONS.  At the Effective Time, each option granted by
the Company to purchase shares of Company Common Stock, which is outstanding and
unexercised immediately prior to the Effective Time, shall be adjusted so as to
entitle the grantee thereof to receive, in lieu of the share of Company Common
Stock that would otherwise have been issuable upon the exercise thereof, an
amount in cash computed by multiplying (i) the difference between (x) the Cash
Consideration and (y) the per share exercise price applicable to such option by
(ii) the number of such shares of Company Common Stock subject to such option. 
The Company


                                     -10-
<PAGE>

agrees to take or cause to be taken all action necessary under its
Stock Option Plan (the "Company Stock Option Plan") to provide for such
adjustment.  As soon as practicable after the Effective Time (but in any event
prior to the seventh day after the Effective Time), Western will make the
payments required to be made to grantees of options under this Section 1.5.


                     ARTICLE II.  CONDUCT PENDING THE MERGER

          SECTION 2.1  CONDUCT OF BUSINESS PRIOR TO THE EFFECTIVE TIME.  Except
as expressly provided in this Plan, during the period from the date of this Plan
to the Effective Time, each of Western, Western Bank and the Company shall, and
shall cause each of its respective Subsidiaries to, (i) conduct its business in
the usual, regular and ordinary course of business consistent with past
practice, (ii) use its reasonable best efforts to maintain and preserve intact
its business organization, properties, leases, employees and advantageous
business relationships and retain the services of its officers and key
employees, (iii) take no action which would adversely affect or delay the
ability of Western, Western Bank or the Company to obtain any necessary
approvals, consents or waivers of any governmental authority required for the
transactions contemplated hereby or to perform its covenants and agreements on a
timely basis under this Plan and (iv) take no action that is reasonably likely
to have a Material Adverse Effect (as defined in Section 8.1 hereof) on either
Western, Western Bank or the Company.

          SECTION 2.2  FORBEARANCE.  During the period from the date of this
Plan to the Effective Time, the Company shall not, except in the ordinary course
of business consistent with past practices and in conformity with all applicable
policies and procedures and except as listed in the Company Disclosure Letter
(as defined in Section 3.1 hereof), without the prior consent of Western (it
being understood that, except as otherwise specified herein, for purposes of
this Section 2.2, a consent shall be deemed given if, within 3 business days
after a request for any such consent is made by the Company in the manner
prescribed by Section 8.8 hereof, Western does not object to the action for
which the consent is requested):


                                     -11-
<PAGE>

          (a)  incur any indebtedness for borrowed money (other than Federal
Funds borrowings) or assume, guarantee, endorse or otherwise as an accommodation
become responsible for the obligations of any other person;

          (b)  except as contemplated in Schedule 2.2(b) hereto, adjust, split,
combine or reclassify any capital stock; make, declare or pay any dividend or
make any other distribution on, or directly or indirectly redeem, purchase or
otherwise acquire, any shares of its capital stock or any securities or
obligations convertible into or exchangeable for any shares of its capital
stock, or grant any stock appreciation rights or grant, sell or issue to any
individual, corporation or other person any right or option to acquire, or
securities evidencing a right to convert into or acquire, any shares of its
capital stock, or issue any additional shares of capital stock except pursuant
to the exercise of stock options, warrants, awards and other rights outstanding
as of the date hereof as set forth on Annex 2 and on the terms in effect on the
date hereof;

          (c)  sell, transfer, mortgage, encumber or otherwise dispose of any of
its properties, leases or assets to any person, or cancel, release or assign any
indebtedness of any such person, except (i) pursuant to contracts or agreements
in force as of the date of this Plan or (ii) any such action or series of
related actions which result in a pre-tax loss of not more than $250,000;

          (d)  make any capital expenditures in amounts not exceeding $200,000
individually or $250,000 in the aggregate;

          (e)  (i) increase in any manner the compensation or fringe benefits of
any of its employees or directors, or create or institute, or make any payments
pursuant to, any severance plan or package, or pay any pension or retirement
allowance not required by any existing plan or agreement to any such employees
or directors, or become a party to, amend or commit itself to or fund or
otherwise establish any trust or account related to any Employee Plan (as
defined in Section 3.1(p) hereof), with or for the benefit of any employee,
other than (A) general increases in compensation for employees,(B) bonuses which
have been accrued on the 1997 financial statements or (C) any amendment required
by applicable law (provided that any such amendment shall provide the least
increase to cost permitted under such


                                     -12-
<PAGE>

applicable law), or (ii) voluntarily accelerate the vesting of any stock 
options or other compensation or benefit;

          (f)  (i)  in individual amounts not to exceed $250,000 or in
     securities transactions as provided in (f)(ii) below, make any investment
     either by contributions to capital, property transfers, or purchases of any
     property or assets of any person, PROVIDED that the Company shall not make
     any acquisition of business operations without Western's prior consent, or 

          (ii)  other than purchases of direct obligations of the United States
     of America or obligations of U.S. government agencies which are entitled to
     the full faith and credit of the United States of America, in any case with
     a remaining maturity at the time of purchase of three years or less,
     purchase or acquire securities of any type; PROVIDED, HOWEVER, that, in the
     case of investment securities, the Company may purchase investment
     securities in an aggregate amount in excess of $250,000 only if, within one
     business day after the Company requests that Western consent to the making
     of any such purchase, Western has consented to the amount of such purchase
     in excess of $250,000;

          (g)  enter into or terminate any contract or agreement, or make any
change in any of its leases or contracts, other than with respect to those
involving aggregate payments of less than, or the provision of goods or services
with a market value of less than, $250,000;

          (h)  settle any claim, action or proceeding involving any liability of
the Company for money damages in excess of $250,000 or material restrictions
upon the operations of the Company;

          (i)  in amounts less than $250,000, waive or release any material
right or collateral or cancel or compromise any extension of credit or other
debt or claim; PROVIDED, HOWEVER, that the Company may take any such action if,
within two business days after it requests in writing (which request shall
include information and analyses sufficient for Western to assess the proposed
action) that Western consent to the taking of such action, Western has approved
such request in writing or has not responded in writing to such request;


                                     -13-
<PAGE>

          (j)  make, renegotiate, renew, increase, extend or purchase any loan,
lease (credit equivalent), advance, credit enhancement or other extension of
credit, or make any commitment in respect of any of the foregoing, except any
loans or advances (provided that the Company shall seek authorization for any
loan or advance in excess of $3,000,000) as to which the Company has a legally
binding obligation to make such loan or advance as of the date hereof and a
description of which has been provided by the Company in writing to Western
prior to the execution of this Plan; 

          (k)  except as contemplated by Section 4.2 hereof, change its method
of accounting as in effect at December 31, 1996, except as required by changes
in generally accepted accounting principles as concurred in by the Company's
independent auditors;

          (l)  subject to the provisions of Section 6.1(f), engage in any
merger, consolidation or other similar transaction with, or acquire a
significant portion of the capital stock or assets of, any other corporate or
other entity except in connection with foreclosures and collections on secured
interests;

          (m)  amend its articles of incorporation or its by-laws; or

          (n)  agree to, or make any commitment to, take any of the actions
prohibited by this Section 2.2.

          SECTION 2.3.  COOPERATION.  (a) Each of Western, Western Bank and the
Company shall cooperate with each other in completing the transactions
contemplated hereby and shall not take, cause to be taken or agree or make any
commitment to take any action: (i) that would cause any of the representations
or warranties of it that are set forth in Article III hereof not to be true and
correct, or (ii) that is inconsistent with or prohibited by Sections 2.1 or 2.2.

          (b)  Without limiting the generality of the foregoing, each of Western
and the Company shall have the right to have one of its representatives present
at all loan committee meetings or meetings of similar purpose of the other party
or the other party's Subsidiaries, and each party shall give notice to the other
party of any such meeting at least one business day prior to such meeting.  In


                                     -14-
<PAGE>

addition, Aubrey L. Austin shall have the right to attend all meetings of the 
board of directors of Western and Western Bank, and Matthew P. Wagner or his 
designee shall have the right to attend all meetings of the Company's board of 
directors, and each party shall give notice to the other party of any such 
meeting at least one business day prior to such meeting.  


                  ARTICLE III.  REPRESENTATIONS AND WARRANTIES

          SECTION 3.1.  REPRESENTATIONS AND WARRANTIES OF THE COMPANY.  The
Company represents and warrants to Western and Western Bank that, except as to
the matters disclosed in a letter of the Company delivered to Western and
Western Bank on or prior to the date hereof, which disclosures shall be deemed
to be made with respect to any applicable representation notwithstanding the
specific section references therein (the "Company Disclosure Letter"):

          (a)  RECITALS TRUE.  The facts set forth in the Recitals of this Plan
with respect to the Company are true and correct.

          (b)  CAPITAL STOCK.  All outstanding shares of capital stock of the
Company have been duly authorized and validly issued, are fully paid and
(subject to applicable California Law) non-assessable and are not subject to any
preemptive rights.

          (c)  DUE ORGANIZATION AND QUALIFICATION.  The Company is duly
organized, validly existing and in good standing under the laws of State of
California, is a member of the Bank Insurance Fund ("BIF") of the Federal
Deposit Insurance Corporation (the "FDIC") and all of its deposits are subject
to assessment by the BIF.

          (d)  CORPORATE AUTHORITY.  The Company has the corporate power and
authority, and is duly qualified in all jurisdictions (except for such
qualifications the absence of which, in the aggregate, would not have a Material
Adverse Effect on the Company) where such qualification is required, to carry on
its business as it is now being conducted and to own all its properties and
assets, and it has all federal, state, local and foreign governmental
authorizations necessary for it to own or lease its properties and assets and to
carry on its business as it is now being conducted.


                                     -15-

<PAGE>

          (e)  SUBSIDIARIES; SIGNIFICANT INVESTMENTS.  The only Subsidiary of 
the Company is SMB Development Company, an inactive California corporation in 
good standing.  The Company does not own any equity securities, any security 
convertible or exchangeable into an equity security or any rights to acquire 
any equity security, except as received in satisfaction of a debt previously 
contracted in good faith.   

          (f)  SHAREHOLDER APPROVALS.  

          (i)  Subject to the receipt of required shareholder approval of the
     principal terms of this Plan, this Plan and the transactions contemplated
     herein have been duly authorized by all necessary corporate action of the
     Company.  In addition, the Company has received the oral opinion of
     Montgomery Securities to the effect that the consideration to be received
     by the shareholders of the Company in the Merger is fair to such
     shareholders from a financial point of view and will receive a written
     opinion to that effect, true and complete copies of which will be furnished
     to Western.  Subject to receipt of such shareholder approval, this Plan is
     a valid and binding agreement of the Company enforceable against it in
     accordance with its terms, subject to bankruptcy, insolvency, fraudulent
     transfer, reorganization, moratorium and similar laws of general
     applicability relating to or affecting creditors' rights and to general
     equity principles.

          (ii) The affirmative vote approving the principal terms of this Plan
     by a majority of the outstanding shares of Company Common Stock entitled to
     vote on this Plan is the only shareholder vote required by the Company for
     approval of the Plan and consummation of the Merger and the other
     transactions contemplated hereby.

          (g)  NO VIOLATIONS.  The execution, delivery and performance of 
this Plan by the Company do not, and the consummation of the transactions 
contemplated hereby by the Company will not, constitute (i) a breach or 
violation of, or a default under, any law, rule or regulation or any 
judgment, decree, order, governmental permit or license to which the Company 
(or any of its properties) is subject, or enable any person to enjoin the 
Merger or the other 

                                     -16-

<PAGE>

transactions contemplated hereby, (ii) a breach or violation of, or a default 
under, the articles of incorporation or by-laws or similar organizational 
documents of the Company or (iii) a breach or violation of, or a default 
under (or an event which with due notice or lapse of time or both would 
constitute a default under), or result in the termination of, accelerate the 
performance required by, or result in the creation of any lien, pledge, 
security interest, charge or other encumbrance upon any of the properties or 
assets of the Company under, any of the terms, conditions or provisions of 
any note, bond, indenture, deed of trust, loan agreement or other agreement, 
instrument or obligation to which the Company is a party, or to which its 
properties or assets may be bound or affected; PROVIDED, HOWEVER, that this 
clause (iii) shall not apply to any breach, violation or default of any such 
agreement, instrument or obligation which involves payments to or by the 
Company of an amount not exceeding $250,000 per year; and the consummation of 
the transactions contemplated hereby will not require any approval, consent 
or waiver under any such law, rule, regulation, judgment, decree, order, 
governmental permit or license or the approval, consent or waiver of any 
other party to any such agreement, indenture or instrument, other than (i) 
the required approvals, consents and waivers of governmental authorities 
referred to in Section 5.1(b) hereof, (ii) any such approval, consent or 
waiver that already has been obtained, (iii) the FDIC, (iv) the Commissioner 
and (v) any other approvals, consents or waivers the absence of which, 
individually or in the aggregate, would not result in a Material Adverse 
Effect on the Company or enable any person to enjoin the Merger.   

          (h)  COMPANY REPORTS.  

          (i)  As of their respective dates, neither the Company's Annual Report
     on Form F-2 for the fiscal year ended December 31, 1996, nor any other
     document filed by the Company subsequent to December 31, 1996 under Section
     13(a), 13(c), 14 or 15(d) of the Securities Exchange Act of 1934, as
     amended (the "Securities Exchange Act"), each in the form (including
     exhibits) filed with the FDIC (collectively, the "Company Reports"),
     contained or will contain any untrue statement of a Material fact or
     omitted or will omit to state a Material fact required to be stated therein
     or necessary to make the statements made therein, in light of the
     circumstances under which they were made, not 

                                     -17-

<PAGE>

     misleading.  Each of the consolidated balance sheets contained or 
     incorporated by reference in the Company Reports (including in each case 
     any related notes and schedules) fairly presented in all Material 
     respects the financial position of the entity or entities to which it 
     relates as of its date and each of the consolidated statements of 
     income, consolidated statements of shareholders' equity and consolidated 
     statement of cash flows contained or incorporated by reference in the 
     Company Reports (including in each case any related notes and schedules) 
     fairly presented in all Material respects the results of operations, 
     shareholders' equity and cash flows, as the case may be, of the entity 
     or entities to which it relates for the periods set forth therein 
     (subject, in the case of unaudited interim statements, to normal 
     year-end audit adjustments that are not Material in amount or effect), 
     in each case in accordance with GAAP during the periods involved, except 
     as may be noted therein.  

          (ii) The Company has timely filed all reports, registrations and
     statements, together with any amendments required to be made with respect
     thereto, if any, that they were required to file since December 31, 1996
     with (i) the Securities and Exchange Commission (the "SEC"), (ii) the FDIC,
     (iii) the BIF, (iv) any state banking commission or other regulatory
     authority (each, a "State Regulator") (such entities collectively, the
     "Regulatory Agencies"), (v) the American Stock Exchange and (vi) any other
     self-regulatory organization (an "SRO"), and all other Material reports and
     statements required to be filed by them since December 31, 1996, including,
     without limitation, any report or statement required to be filed pursuant
     to the laws, rules or regulations of the United States, the FDIC, the BIF,
     any State Regulator or any SRO, and have paid all fees and assessments due
     and payable in connection therewith.

          (i)  ABSENCE OF UNDISCLOSED LIABILITIES AND CERTAIN CHANGES OR 
EVENTS. Except as disclosed in the Company Reports, since December 31, 1996, 
the Company has not incurred any Material liability, except in the ordinary 
course of its business consistent with past practice.  Since December 31, 
1996, there has not been any change in the business, assets, financial 
condition, properties, results of operations or prospects (other than changes 
affecting 

                                     -18-

<PAGE>

Southern California community banks in general) of the Company which, 
individually or in the aggregate, has had, or is reasonably likely to have, a 
Material Adverse Effect on the Company (other than changes in (i) banking 
laws or regulations, or interpretations thereof, that affect the banking 
industry generally, (ii) the general level of interest rates or (iii) GAAP).

          (j)  GUARANTEES; SURETYSHIPS; CONTINGENT LIABILITIES.  The Company 
Disclosure Letter lists and briefly describes all guarantees, matters of 
suretyship and similar contingent liabilities, other than loan commitments 
and letters of credit issued in the ordinary course of business, of the 
Company.

          (k)  TAXES.  All federal, state, local and foreign tax returns 
(including information returns) required to be filed by or on behalf of the 
Company have been timely filed or requests for extensions have been timely 
filed and any such extension shall have been granted and not have expired, 
and all such filed returns are complete and accurate in all Material 
respects.  All taxes shown on such returns have been paid in full and 
adequate provision has been made for any taxes for which returns have not yet 
been filed (in accordance with GAAP) on the Company's balance sheets set 
forth in the Company Reports. There is no pending audit examination, 
assessment or proposed assessment of a deficiency, or refund litigation with 
respect to any taxes of the Company.  All taxes, interest, additions, and 
penalties due with respect to completed and settled examinations or concluded 
litigation relating to it have been paid in full or adequate provision has 
been made for any such taxes (in accordance with generally accepted 
accounting principles) on the Company's balance sheet as set forth in the 
Company Reports.  The Company has not executed an extension or waiver of any 
statute of limitations on the assessment or collection of any tax due that is 
currently in effect.  

          No liens or other security interests have been imposed on any 
assets of the Company in connection with any failure (or alleged failure) to 
pay any tax.  The Company has timely withheld, and paid over to the relevant 
governmental authority or other appropriate payee, all taxes required to have 
been withheld and paid in connection with amounts paid or owing to any 
employee, independent contractor, creditor, stockholder, or other person.  
The 

                                     -19-

<PAGE>

Company is not a party to any tax allocation or sharing agreement, is not and 
has not been a member of an affiliated group filing consolidated or combined 
tax returns and otherwise has no liability for the taxes of any person (other 
than the Company). For purposes of this paragraph (k), "taxes" includes all 
federal, state, local or foreign income, gross receipts, windfall profits, 
severance, property, production, sales, use, license, excise, franchise, 
employment, withholding or similar taxes imposed on the income, properties or 
operations of the Company, together with any interest additions or penalties 
with respect thereto and any interest in respect of such additions or 
penalties.

          (l)  ABSENCE OF CLAIMS.  As of the date hereof, there is no pending 
litigation, controversy, claim, action or proceeding against the Company 
before any court or governmental agency, and, to the best of the Company's 
knowledge after reasonable inquiry, no such litigation, proceeding, 
controversy, claim or action has been threatened or is contemplated.  As of 
the Effective Time and except as disclosed in the Company Disclosure Letter, 
there is no pending litigation, controversy, claim, action or proceeding 
against the Company before any court or governmental agency, which is 
reasonably likely, individually or in the aggregate, to have a Material 
Adverse Effect on the Company or to hinder or delay consummation of the 
transactions contemplated hereby and, to the best of the Company's knowledge 
after reasonable inquiry, no such litigation, proceeding, controversy, claim 
or action has been threatened or is contemplated.

          (m)  ABSENCE OF REGULATORY ACTIONS.  The Company is not a party to 
any cease and desist order, written agreement or memorandum of understanding 
with, nor a party to any commitment letter or similar undertaking to, nor is 
the Company subject to any order or directive by, or a recipient of any 
extraordinary supervisory letter from, nor has the Company adopted any board 
resolutions at the request of, federal or state governmental authorities 
charged with the supervision or regulation of depository institutions or 
depositary institution holding companies or engaged in the insurance of bank 
and/or savings and loan deposits ("Government Regulators") nor has it been 
the recipient of any advice from any Government Regulator that such 
Government Regulator is contemplating issuing or requesting (or is 
considering the appropriateness of issuing or 

                                     -20-

<PAGE>

requesting) any such order, directive, written agreement, memorandum of 
understanding, extraordinary supervisory letter, commitment letter, board 
resolutions or similar undertaking.

          (n)  AGREEMENTS.  

          (i)  Except for this Plan (and agreements entered into in connection
     with the transactions contemplated hereby or those agreements copies of
     which have been previously furnished to Western) and arrangements made in
     the ordinary course of business, the Company is not bound by any material
     contract (as defined in Item 601(b)(10) of Regulation S-K) to be performed
     after the date hereof that has not been filed with or incorporated by
     reference in the Company Reports.  Except as disclosed in the Company
     Reports filed prior to the date of this Plan, the Company is not a party to
     any oral or written (A) consulting agreement (other than data processing,
     software programming and licensing contracts entered into in the ordinary
     course of business) not terminable on 30 days' or less notice involving the
     payment of more than $200,000 per annum, in the case of any such agreement
     with an individual, or $250,000 per annum, in the case of any other such
     agreement, (B) agreement with any executive officer or other key employee
     of the Company the benefits of which are contingent, or the terms of which
     are materially altered, upon the occurrence of a transaction involving the
     Company of the nature contemplated by this Plan and which provides for the
     payment of in excess of $250,000, (C) agreement with respect to any
     executive officer of the Company providing any term of employment or
     compensation guarantee extending for a period longer than six months and
     for the payment of in excess of $250,000 per annum, (D) agreement or plan,
     including any stock option plan, stock appreciation rights plan, restricted
     stock plan or stock purchase plan, any of the benefits of which will be
     increased, or the vesting of the benefits of which will be accelerated, by
     the occurrence of any of the transactions contemplated by this Plan or the
     value of any of the benefits of which will be calculated on the basis of
     any of the transactions contemplated by this Plan or (E) agreement
     containing covenants that limit the ability of the Company to compete in
     any line of business or with any person, or that involve any restriction on
     the 

                                     -21-

<PAGE>

     geographic area in which, or method by which, the Company (including any 
     successor thereof) may carry on its business (other than as may be
     required by law or any regulatory agency).

          (ii) The Company is not in default under or in violation of any
     provision of any note, bond, indenture, mortgage, deed of trust, loan
     agreement or other agreement to which it is a party or by which it is bound
     or to which any of its respective properties or assets is subject.

          (o)  LABOR MATTERS.  The Company is not a party to, nor is it bound
by, any collective bargaining agreement, contract, or other agreement or
understanding with a labor union or labor organization, nor is the Company the
subject of any proceeding asserting that it has committed an unfair labor
practice or seeking to compel it to bargain with any labor organization as to
wages and conditions of employment, nor is there any strike, other labor dispute
or organizational effort involving the Company pending or threatened.

          (p)  EMPLOYEE BENEFIT PLANS.  The Company Disclosure Letter contains a
complete list of all pension, retirement, stock option, stock purchase, stock
ownership, savings, stock appreciation right, profit sharing, deferred
compensation, consulting, bonus, group insurance, severance and other benefit
plans, contracts, agreements, policies and arrangements, including, but not
limited to, "employee benefit plans", as defined in Section 3(3) of the Employee
Retirement Income Security Act of 1974, as amended ("ERISA") and all trust
agreements related thereto in respect to any present or former directors,
officers, or other employees of the Company (hereinafter referred to
collectively as the "Company Employee Plans").  (i) All of the Company Employee
Plans comply in all material respects with all applicable requirements of ERISA,
the Code and other applicable laws; the Company has not engaged in a "prohibited
transaction" (as defined in Section 406 of ERISA or Section 4975 of the Code)
with respect to any Company Employee Plan which could subject the Company to a
material tax or penalty under Section 4975 of the Code or Section 502(i) of
ERISA; and all contributions required to be made under the terms of any Company
Employee Plan have been timely made or have been reflected on the Company's
balance sheet; (ii) no liability to the Pension Benefit Guaranty Corporation
(the "PBGC") has 

                                     -22-

<PAGE>

been or is expected by the Company to be incurred with respect to any Company 
Employee Plan which is subject to Title IV of ERISA (a "Company Pension 
Plan"), or with respect to any "single-employer plan" (as defined in Section 
4001(a)(15) of ERISA) currently or formerly maintained by the Company or any 
entity (a "Company ERISA Affiliate") which is considered one employer with 
the Company under Section 4001 of ERISA or Section 414 of the Code (a 
"Company ERISA Affiliate Plan"); and no proceedings have been instituted to 
terminate any Company Pension Plan or Company ERISA Affiliate Plan and no 
condition exists that presents a material risk of the institution of such 
proceedings; (iii) no Company Pension Plan or Company ERISA Affiliate Plan 
had an "accumulated funding deficiency" (as defined in Section 302 of ERISA 
(whether or not waived)) as of the last day of the end of the most recent 
plan year ending prior to the date hereof; the fair market value of the 
assets of each Company Pension Plan and Company ERISA Affiliate Plan exceeds 
the present value of the "benefit liabilities" (as defined in Section 
4001(a)(16) of ERISA) under such Company Pension Plan or Company ERISA 
Affiliate Plan as of the end of the most recent plan year with respect to the 
respective Company Pension Plan or Company ERISA Affiliate Plan ending prior 
to the date hereof, calculated on the basis of the actuarial assumptions used 
in the most recent actuarial valuation for such Company Pension Plan or 
Company ERISA Affiliate Plan prior to the date hereof, and there has been no 
material change in the financial condition of any such Company Pension Plan 
or Company ERISA Affiliate Plan since the last day of the most recent plan 
year; and no notice of a "reportable event" (as defined in Section 4043 of 
ERISA) for which the 30-day reporting requirement has not been waived has 
been required to be filed for any Company Pension Plan or Company ERISA 
Affiliate Plan within the 12-month period ending on the date hereof; (iv) the 
Company has not provided and is not required to provide, security to any 
Company Pension Plan or to any Company ERISA Affiliate Plan pursuant to 
Section 401(a)(29) of the Code; (v) neither the Company nor any Company ERISA 
Affiliate has contributed to any "multiemployer plan", as defined in Section 
3(37) of ERISA, on or after September 26, 1980; (vi) each Company Employee 
Plan which is an "employee pension benefit plan" (as defined in Section 3(2) 
of ERISA) has received a favorable determination letter from the Internal 
Revenue Service deeming such plan to be qualified (a "Qualified Plan"), under 
Section 401(a) of the Code, or has requested such a determination letter 
within the applicable remedial 

                                     -23-
<PAGE>

amendment period under Section 401(b) of the Code; and the Company is not 
aware of any circumstances likely to result in revocation of any such 
favorable determination letter; (vii) each Qualified Plan which is an 
"employee stock ownership plan" (as defined in Section 4975(e)(7) of the 
Code) has satisfied all of the applicable requirements of Sections 409 and 
4975(e)(7) of the Code and the regulations thereunder; all Company Employee 
Plans covering foreign participants comply in all material respects with 
applicable local law, and there are no material unfunded liabilities with 
respect to any Company Employee Plan which covers foreign employees; (viii) 
there is no pending or, to the Company's knowledge, threatened litigation, 
administrative action or proceeding relating to any Company Employee Plan 
other than claims for benefits for which the plan administrative procedures 
have not been exhausted and "qualified domestic relations orders" as defined 
in Section 414(p) of the Code; (ix) there has been no announcement or 
commitment by the Company to create an additional Company Employee Plan, or 
to amend a Company Employee Plan except for amendments required by applicable 
law which do not increase the cost of such Company Employee Plan; and the 
Company does not have any obligations for retiree health and life benefits 
under any Company Employee Plan except as set forth in the Company Disclosure 
Letter; (x) with respect to the Company, except as specifically identified in 
the Company Disclosure Letter, the execution and delivery of this Agreement 
and the consummation of the transactions contemplated hereby will not result 
in any payment or series of payments by the Company to any person which is an 
"excess parachute payment" (as defined in Section 280G of the Code) under any 
Company Employee Plan, increase or secure (by way of a trust or other 
vehicle) any benefits payable under any Company Employee Plan, or accelerate 
the time of payment or vesting of any such benefit, and (xi) with respect to 
each Company Employee Plan, the Company has supplied to Western a true and 
correct copy, if applicable, of (A) the two most recent annual reports on the 
applicable form of the Form 5500 series filed with the Internal Revenue 
Service (the "IRS"), (B) such Company Employee Plan, including amendments 
thereto, (C) each trust agreement and insurance contract relating to such 
Company Employee Plan, including amendments thereto, (D) the most recent 
summary plan description for such Company Employee Plan, including amendments 
thereto, if the Company Employee Plan is subject to Title I of ERISA, (E) the 
most recent actuarial report or valuation if such Company Employee Plan is a 
Company Pension Plan, (F) the

                                     -24-

<PAGE>

most recent determination letter issued by the IRS if such Company Employee 
Plan is a Qualified Plan and (G) the most recent financial statements and 
auditor's report.

          (q)  REAL PROPERTY.  (i) The Company Disclosure Letter contains a
     complete and correct list of (A) all real property or premises owned on the
     date hereof, in whole or in part by the Company and all indebtedness
     secured by any encumbrance thereon, and (B) all real property or premises
     leased in whole or in part by the Company and together with a list of all
     applicable leases and the name of the lessor.  None of such premises or
     properties have been condemned or otherwise taken by any public authority
     and no condemnation or taking is threatened or contemplated and none
     thereof is subject to any claim, contract or law which might affect its use
     or value for the purposes now made of it.  None of the premises or
     properties of the Company is subject to any current or potential interests
     of third parties or other restrictions or limitations that would impair or
     be inconsistent in any material respect with the current use of such
     property by the Company.

          (ii) Each of the leases referred to in the Company Disclosure Letter
     is valid and existing and in full force and effect, and no party thereto is
     in default and no notice of a claim of default by any party has been
     delivered to the Company or is now pending, and there does not exist any
     event that with notice or the passing of time, or both, would constitute a
     default or excuse performance by any party thereto, provided that with
     respect to matters relating to any party other than the Company the
     foregoing representation is based on the knowledge of the Company.

          (r)  TITLE.  The Company has good title to its properties and assets
(other than (i) property as to which it is lessee and (ii) real estate owned as
a result of foreclosure, transfer in lieu of foreclosure or other transfer in
satisfaction of a debtor's obligation previously contracted) except (1)
statutory liens not yet delinquent which are being contested in good faith by
appropriate proceedings, and liens for taxes not yet due, (2) pledges of assets
in the ordinary course of business to secure public deposits, (3) for those
assets and properties disposed of for fair value in the ordinary course of
business since the date of the Company's Annual Report on Form F-2 for the year

                                     -25-

<PAGE>

ended December 31, 1996 and (4) defects and irregularities of title and 
encumbrances that do not materially impair the use thereof for the purposes 
for which they are held.

          (s)  KNOWLEDGE AS TO CONDITIONS.  As of the date hereof, the Company
knows of no reason why the approvals, consents and waivers of governmental
authorities referred to in Section 5.1(b) should not be obtained without the
imposition of any condition of the type referred to in the provisos thereto.

          (t)  COMPLIANCE WITH LAWS.  Since December 31, 1994, the Company has
complied in all Material respects with all applicable laws except for any
noncompliance with any such laws which, individually or in the aggregate, would
not have a Material Adverse Effect on the Company or enable any Person to enjoin
the Merger.  Except such as would not have a Material Adverse Effect on the
Company, the Company has all permits, licenses, certificates of authority,
orders and approvals of, and has made all filings, applications and
registrations with, federal, state, local and foreign governmental or regulatory
bodies that are required in order to permit it to carry on its business as it is
presently conducted.  All such permits, licenses, certificates of authority,
orders and approvals are in full force and effect, and, to the knowledge of the
Company, no suspension or cancellation of any of them is threatened.

          (u)  FEES.  Other than in respect of financial advisory services
performed for the Company by Montgomery Securities and Roger Kuppinger, in
amounts and pursuant to an agreement previously disclosed to Western, none of
the Company or any of its officers, directors, employees or agents, has employed
any broker or finder or incurred any liability for any financial advisory fees,
brokerage fees, commissions, or finder's fees, and no broker or finder has acted
directly or indirectly for the Company, in connection with the Plan or the
transactions contemplated hereby.

          (v)  ENVIRONMENTAL MATTERS.  (i) the Company has complied in all
material respects at all times with all applicable Environmental Laws; (ii) none
of the properties (including buildings or any other structures) currently owned
or operated by the Company ("Company Properties") have been contaminated with,
or have had any release of, any Hazardous Substance (as defined below); (iii) to
the Company's knowledge, none of the properties formerly owned 

                                     -26-

<PAGE>

or operated by the Company have been contaminated with Hazardous Substances 
during such period of ownership or operation; (iv) to the Company's 
knowledge, the Company is not subject to liability for any Hazardous 
Substance disposal or contamination on any third party property; (v) the 
Company has not received any notice, demand letter, claim or request for 
information alleging that the Company may be in violation of or subject to 
liability under any Environmental Law (as defined below); (vi) the Company is 
not subject to any orders, decrees, injunctions or other agreements with any 
governmental authority or any third party relating to Hazardous Substances or 
any Environmental Law; (vii) there are no circumstances or conditions 
involving the Company that could reasonably be expected to result in any 
claims, liability, investigations, suits or costs or result in restrictions 
on the ownership, use, or transfer of any Company Property pursuant to any 
Environmental Law; (viii) none of the Company Properties contain any 
underground storage tanks, asbestos-containing material, lead products, or 
polychlorinated biphenyls; (ix) to the knowledge of the Company none of the 
Company Properties have ever been operated in the past as a gas station, 
automotive repair or supply business, metalworking operation, industrial 
facility or as a drycleaner; (x) the Company has not engaged in any activity 
involving the generation, use, handling or disposal of any Hazardous 
Substances other than ordinary and routine office operations and maintenance; 
(xi) the Company has not participated in the management of any borrower or 
other third party, including entities in which it may hold a security, 
fiduciary or other interest, that, to the Company's knowledge, engages in 
activities involving Hazardous Substances to an extent that it could be 
deemed an "owner" or "operator" of such entity under any Environmental Law; 
and (xii) to the Company's knowledge, the Company has delivered to Western 
copies of all environmental reports, studies, sampling data, permits, 
government filings and other environmental information in its possession 
relating to the Company or any of its current or former properties or 
operations.

          As used herein, the term "ENVIRONMENTAL LAW" means any federal, state
or local law, regulation, order, decree, permit, authorization, opinion, common
law or agency requirement relating to: (A) the protection or restoration of the
environment, health, safety, or natural resources, (B) the handling, use,
presence, disposal, release or 

                                     -27-

<PAGE>

threatened release of any Hazardous Substance or (C) noise, odor, wetlands, 
pollution, contamination or any injury or threat of injury to persons or 
property.

          As used herein, the term "HAZARDOUS SUBSTANCE" means any substance in
any concentration that is:  (A) listed, classified or regulated pursuant to any
Environmental Law; (B) any petroleum product or by-product, asbestos-containing
material, lead-containing paint or plumbing, polychlorinated biphenyls,
radioactive materials or radon; or (C) any other substance which is or may be
the subject of regulatory action by any government authority pursuant to any
Environmental Law.

          (w)  ALLOWANCE.  The allowance for possible loan and lease losses
shown on the Company's unaudited balance sheet as of June 30, 1997 was, and the
allowance for possible loan losses shown on the balance sheets in Company
Reports for periods ending after the date of this Plan will be, adequate, as of
the date thereof, under generally accepted accounting principles applicable to
banks. The Company has disclosed to Western in writing prior to the date hereof
the amounts of all loans, leases, advances, credit enhancements, other
extensions of credit, commitments and interest-bearing assets of the Company
that as of June 30, 1997 have been classified as "Other Assets Specially
Mentioned," "Substandard," "Doubtful," "Loss," "Classified," "Criticized,"
"Credit Risk Assets" or words of similar import.  The Other Real Estate Owned
("OREO") included in any non-performing assets of the Company is carried net of
reserves at the lower of cost or market value, less applicable selling costs,
based on independent appraisals consistent with applicable regulatory
requirements.

          (x)  MATERIAL INTERESTS OF CERTAIN PERSONS.  Except as disclosed in
the Company's Quarterly Report on Form F-4 for the quarter ended June 30, 1997
or the Company's Annual Report on Form F-2 for the year ended December 31, 1996,
no officer or director of the Company, or any "associate" (as such term is
defined in Rule 12b-2 under the Securities Exchange Act) of any such officer or
director, has any Material interest in any Material contract or property (real
or personal), tangible or intangible, used in or pertaining to the business of
the Company.

                                     -28-

<PAGE>

          (y)  INSURANCE.  The Company is currently insured, and since
December 31, 1994, has been insured, for reasonable amounts with financially
sound and reputable insurance companies, against such risks as companies engaged
in a similar business would, in accordance with good business practice,
customarily be insured.  All of the insurance policies and bonds maintained by
the Company are in full force and effect, the Company is not in default
thereunder and all Material claims thereunder have been filed in due and timely
fashion.  Since December 31, 1994, no claim by the Company on or in respect of
an insurance policy or bond has been declined or refused by the relevant insurer
or insurers.  In the best judgment of the Company's management, such insurance
coverage is adequate and will be available in the future under terms and
conditions substantially similar to those in effect on the date hereof.  Between
the date hereof and the Effective Time, the Company will maintain the levels of
insurance coverage in effect on the date hereof and will submit all potential
claims existing prior to the Effective Time to its insurance carrier on or
before the Effective Time.  The Company Disclosure Letter lists all insurance
policies maintained by or for the benefit of the Company or its directors,
officers, employees or agents, specifying the (i) type of policy, (ii) policy
limits and (iii) self insurance amounts.

          (z)  INVESTMENT SECURITIES.  Except for pledges to secure public and
trust deposits and reverse repurchase agreements entered into in arm's-length
transactions pursuant to normal commercial terms and conditions and other
pledges required by law, none of the investments reflected in the consolidated
balance sheet of the Company included in the Company's Report on Form F-4 for
the quarter ended June 30, 1997, and none of the Material investments made by it
since December 31, 1996, is subject to any restriction (contractual, statutory
or otherwise) that would materially impair the ability of the entity holding
such investment freely to dispose of such investment at any time.

          (aa) DERIVATIVES.  The Company is not currently a party to any
interest rate swap, cap, floor, option agreement, other interest rate risk
management arrangement or agreement or derivative-type security or derivative
arrangement or agreement.

          (bb) REGISTRATION OBLIGATIONS.  The Company is not under any
obligation, contingent or otherwise, to register 

                                     -29-

<PAGE>

any of its securities under the Securities Act of 1933, as amended (the 
"Securities Act").

          (cc) BOOKS AND RECORDS.  The books and records of the Company have
been, and are being, maintained in accordance with applicable legal and
accounting requirements and reflect in all Material respects the substance of
events and transactions that should be included therein.

          (dd)  CORPORATE DOCUMENTS.  The Company has delivered to Western true
and complete copies of its amended articles of incorporation and amended by-
laws.

          (ee) COMPANY ACTION.  The Board of Directors of the Company has
adopted resolutions recommending that the principal terms of this Plan be
approved by the shareholders of the Company and directing that this Plan be
submitted for consideration by the Company's shareholders at the Company's
Meeting (as defined below).

          (ff) INDEMNIFICATION.  The Company is not a party to any
indemnification agreement with any of its present or future directors, officers,
employees, individual agents or other individuals who serve or served in any
other capacity with any other enterprise at the request of the Company (a
"Covered Person"), and to the knowledge of the Company, there are no claims for
which any Covered Person would be entitled to indemnification under Section 4.6
hereof if such provisions were deemed to be in effect.

          (gg) LOANS.  Each loan reflected as an asset on the Company's
consolidated balance sheet as of June 30, 1997 and each balance sheet date
subsequent thereto (i) is evidenced by notes, agreements or other evidences of
indebtedness which are true, genuine and what they purport to be, (ii) is the
legal, valid and binding obligation of the obligor named therein, enforceable in
accordance with its terms, subject to bankruptcy, insolvency, fraudulent
conveyance and other laws of general applicability relating to or affecting
creditors' rights and to general equity principles, and (iii) to the knowledge
of the Company, will not be subject to any defenses which may be asserted
against the Company.  All loans and extensions of credit that have been made by
the Company and that are subject to Sections 22(h), 23A and 23B of the Federal
Reserve Act comply therewith.

                                     -30-

<PAGE>

          (hh) FAIR LENDING; COMMUNITY REINVESTMENT ACT.  As of the date 
hereof, with the exception of routine investigation of consumer complaints, 
the Company has not been advised that it is or may be in violation of the 
Equal Credit Opportunity Act or the Fair Housing Act or any similar federal 
or state statute. The Company received a CRA rating of "satisfactory" in its 
most recent CRA examination.

          (ii) TRUST BUSINESS.  Except as set forth in the Company Disclosure
Letter or such violations which individually or in the aggregate would not give
rise to a Material Adverse Effect, to the knowledge of the Company (i) each of
the relationships between the Company and another Person which constitute part
of the business conducted by the Trust Department of the Company (whether the
Company acts or has acted as trustee, agent, fiscal agent, escrow agent,
custodian or in another similar capacity) (the "Trust Relationships") is
governed by a written agreement, contract, indenture, instrument of trust or
other similar document (the "Trust Instruments") and all of the Trust
Instruments that are presently in effect are in the possession of the Company
and have been made, or are, available to Western and no Trust Instrument has
been amended except by an instrument in writing; (ii) each Trust Relationship
has been conducted, operated and managed by the Company in accordance with the
terms of the governing Trust Instrument and applicable law.  

          (jj) NO OMISSION OF MATERIAL FACT.  No representation or warranty by
the Company in this Plan, including the Annexes hereto, the disclosure letters
and schedules to be delivered herewith or the Proxy Statement filed in
connection with the Meeting, contains any untrue statement of Material fact, or
omits to state a Material fact necessary to make the statements or facts
contained herein or therein not misleading.  None of the information regarding
the Company or the transactions contemplated hereby supplied or to be supplied
by the Company for inclusion in any documents or filings to be filed with any
regulatory authority in connection with the transactions contemplated hereby
will contain any untrue statement of Material fact, or omit to state a Material
fact necessary to make the statements or facts contained therein not misleading.

                                     -31-
<PAGE>

          SECTION 3.2.  REPRESENTATIONS AND WARRANTIES OF WESTERN.  Western
represents and warrants to the Company that, except as to the matters disclosed
in a letter of Western delivered to the Company on or prior to the date hereof,
which disclosures shall be deemed to be made with respect to any applicable
representation notwithstanding the specific section references therein (the
"Western Disclosure Letter"):

          (a)  RECITALS TRUE.  The facts set forth in the Recitals of this Plan
with respect to Western and Western Bank are true and correct.

          (b)  CAPITAL STOCK.  All outstanding shares of capital stock of
Western and its Significant Subsidiaries (as defined in Rule 1-02 of
Regulation S-X) have been duly authorized and validly issued, are fully paid and
(subject to 12 U.S.C. Section  55 in the case of a national bank Subsidiary and
any similar state statute in the case of a Subsidiary that is a state-chartered
bank) non-assessable and are not subject to any preemptive rights.

          (c)  OMITTED. 

          (d)  CORPORATE AUTHORITY.  Each of Western and its Significant
Subsidiaries has the corporate power and authority, and is duly qualified in all
jurisdictions (except for such qualifications the absence of which, in the
aggregate, would not have a Material Adverse Effect on Western) where such
qualification is required, to carry on its business as it is now being conducted
and to own all its properties and assets, and it has all federal, state, local
and foreign governmental authorizations necessary for it to own or lease its
properties and assets and to carry on its business as it is now being conducted.

          (e)  SHAREHOLDER APPROVALS.  

          (i) Subject to the receipt of required shareholder approval of the
     principal terms of this Plan, this Plan and the transactions contemplated
     herein have been duly authorized by all necessary corporate action of
     Western and Western Bank.  Subject to receipt of such shareholder approval,
     this Plan is and will be a valid and binding agreement of Western and
     Western Bank enforceable against each of them in accordance with its terms,
     subject to bankruptcy, insolvency, fraudulent 



                                     -32-
<PAGE>

     transfer, reorganization, moratorium and similar laws of general 
     applicability relating to or affecting creditors' rights and to general 
     equity principles.

          (ii) The affirmative vote approving the principal terms of this Plan
     by a majority of the outstanding shares of Western Common Stock entitled to
     vote on this Plan and the affirmative vote approving the principal terms of
     this Plan by a majority of the outstanding shares of Western Bank Common
     Stock entitled to vote on this plan are the only shareholder votes required
     by Western and Western Bank for approval of this Plan and consummation of
     the Merger and the other transactions contemplated hereby.

          (f)  NO VIOLATIONS.  The execution, delivery and performance of 
this Plan by Western and Western Bank do not, and the consummation of the 
transactions contemplated hereby by Western and Western Bank will not, 
constitute (i) a breach or violation of, or a default under, any law, rule or 
regulation or any judgment, decree, order, governmental permit or license to 
which Western or any of its Subsidiaries (or any of their respective 
properties) is subject, which breach, violation or default would have a 
Material Adverse Effect on Western or Western Bank, or enable any person to 
enjoin the Merger or the other transactions contemplated hereby, (ii) a 
breach or violation of, or a default under, the articles of incorporation or 
by-laws or similar organizational documents of Western or any of its 
Subsidiaries or (iii) a breach or violation of, or a default under (or an 
event which with due notice or lapse of time or both would constitute a 
default under), or result in the termination of, accelerate the performance 
required by, or result in the creation of any lien, pledge, security 
interest, charge or other encumbrance upon any of the properties or assets of 
Western or any of its Subsidiaries under, any of the terms, conditions or 
provisions of any note, bond, indenture, deed of trust, loan agreement or 
other agreement, instrument or obligation to which Western or any of its 
Subsidiaries is a party, or to which any of their respective properties or 
assets may be bound or affected, PROVIDED, HOWEVER, that this clause (iii) 
shall not apply to any breach, violation or default of any such agreement, 
instrument or obligation which involves payments to or by Western or any of 
its Subsidiaries of any amount not exceeding $250,000 per year; and the 
consummation of the transactions contemplated hereby will not require any 



                                     -33-
<PAGE>


approval, consent or waiver under any such law, rule, regulation, judgment, 
decree, order, governmental permit or license or the approval, consent or 
waiver of any other party to any such agreement, indenture or instrument, 
other than (i) the required approvals, consents and waivers of governmental 
authorities referred to in Section 5.1(b) hereof, (ii) any such approval, 
consent or waiver that already has been obtained, (iii) the FDIC, (iv) the 
Commissioner and (v) any other approvals, consents or waivers the absence of 
which, individually or in the aggregate, would not result in a Material 
Adverse Effect on Western or enable any person to enjoin the Merger.

          (g)  WESTERN REPORTS.  

          (i) As of their respective dates, neither Western's Annual Report on
     Form 10-KSB/A for the fiscal year ended December 31, 1996, nor any other
     document filed by Western subsequent to December 31, 1996 under
     Section 13(a), 13(c), 14 or 15(d) of the Securities Exchange Act, each in
     the form (including exhibits) filed with the SEC (collectively, the
     "Western Reports"), contained or will contain any untrue statement of a
     Material fact or omitted or will omit to state a Material fact required to
     be stated therein or necessary to make the statements made therein, in
     light of the circumstances under which they were made, not misleading. 
     Each of the consolidated balance sheets or statements of condition
     contained or incorporated by reference in Western Reports (including in
     each case any related notes and schedules) fairly presented in all Material
     respects the financial position of the entity or entities to which it
     relates as of its date and each of the consolidated statements of income,
     consolidated statements of changes in shareholders' equity and consolidated
     statements of cash flows contained or incorporated by reference in Western
     Reports (including in each case any related notes and schedules) fairly
     presented in all Material respects the results of operations, shareholders'
     equity and cash flows, as the case may be, of the entity or entities to
     which it relates for the periods set forth therein (subject, in the case of
     unaudited interim statements, to normal year-end audit adjustments that are
     not Material in amount or effect), in each case in accordance with GAAP
     during the periods involved, except as may be noted therein.




                                     -34-
<PAGE>


          (ii) Western and each of its Subsidiaries have each timely filed all
     reports, registrations and statements, together with any amendments
     required to be made with respect thereto, if any, that they were required
     to file since December 31, 1996 with the Regulatory Agencies, the National
     Association of Securities Dealers, Inc. and any other SRO, and all other
     Material reports and statements required to be filed by them since
     December 31, 1996, including, without limitation, any report or statement
     required to be filed pursuant to the laws, rules or regulations of the
     United States, the Federal Reserve Board, the FDIC, the BIF, the OCC, any
     State Regulator or any SRO, and have paid all fees and assessments due and
     payable in connection therewith.

          (h)  ABSENCE OF CERTAIN UNDISCLOSED LIABILITIES AND CERTAIN CHANGES 
OR EVENTS.  Except as disclosed in the Western Reports, since December 31, 
1996, neither Western nor any of its Significant Subsidiaries has incurred 
any Material liability, except in the ordinary course of its business 
consistent with past practice.  Since June 30, 1997, there has not been any 
change in the business, assets, financial condition, properties, results of 
operations or prospects (other than changes affecting Southern California 
community banks in general) of Western or any of its Significant Subsidiaries 
which, individually or in the aggregate, has had, or is reasonably likely to 
have, a Material Adverse Effect on Western (other than changes in (i) banking 
laws or regulations, or interpretations thereof, that affect the banking 
industry generally, (ii) the general level of interest rates or (iii) GAAP).

          (i)  GUARANTEES; SURETYSHIPS; CONTINGENT LIABILITIES.  The Western 
Disclosure Letter lists and briefly describes all guarantees, matters of 
suretyship and similar contingent liabilities, other than loan commitments 
and letters of credit issued in the ordinary course of business, of Western 
and its Subsidiaries.

          (j)  TAXES.  All federal, state, local, and foreign tax returns 
(including information returns) required to be filed by or on behalf of 
Western or any of its Subsidiaries have been timely filed or requests for 
extensions have been timely filed and any such extension shall have been 
granted and not have expired, and all such filed returns are complete and 
accurate in all Material 



                                     -35-
<PAGE>

respects.  All taxes shown on such returns have been paid in full and 
adequate provision has been made for any taxes for which returns have not yet 
been filed (in accordance with GAAP) on Western's balance sheets set forth in 
Western Reports.  There is no pending audit examination, assessment or 
proposed assessment of a deficiency, or refund litigation with respect to any 
taxes of Western or any of its Subsidiaries.  All taxes, interest, additions, 
and penalties due with respect to completed and settled examinations or 
concluded litigation relating to it have been paid in full or adequate 
provision has been made for any such taxes (in accordance with generally 
accepted accounting principles) on Western's balance sheet as set forth in 
the Western Reports. Neither Western nor any of its Subsidiaries has executed 
an extension or waiver of any statute of limitations on the assessment or 
collection of any tax due that is currently in effect.  

          No liens or other security interests have been imposed on any 
assets of Western or any of its Subsidiaries in connection with any failure 
(or alleged failure) to pay any tax.  Western and each of its Subsidiaries 
have timely withheld, and paid over to the relevant governmental authority or 
other appropriate payee, all taxes required to have been withheld and paid in 
connection with amounts paid or owing to any employee, independent 
contractor, creditor, stockholder, or other person.  Neither Western nor any 
Subsidiary is a party to any tax allocation or sharing agreement, is or has 
been a member of an affiliated group filing consolidated or combined tax 
returns (other than a group the common parent of which is or was Western) or 
otherwise has any liability for the taxes of any person (other than Western 
or any of its Subsidiaries).  For purposes of this paragraph (j), "taxes" 
includes all federal, state, local or foreign income, gross receipts, 
windfall profits, severance, property, production, sales, use, license, 
excise, franchise, employment, withholding or similar taxes imposed on the 
income, properties or operations of Western or any of its Subsidiaries, 
together with any interest additions or penalties with respect thereto and 
any interest in respect of such additions or penalties.

          (k)  ABSENCE OF CLAIMS.  As of the date hereof, there is no pending 
litigation, controversy, claim, action or proceeding against Western or any 
of its Subsidiaries before any court or governmental agency, and, to the best 
of 



                                     -36-
<PAGE>

Western's knowledge after reasonable inquiry, no such litigation, proceeding, 
controversy, claim or action has been threatened or is contemplated.  As of 
the Effective Time and except as disclosed in the Western Disclosure Letter, 
there is no pending litigation, controversy, claim, action or proceeding 
against Western or any of its Subsidiaries before any court or governmental 
agency, which is reasonably likely, individually or in the aggregate, to have 
a Material Adverse Effect on Western or to hinder or delay consummation of 
the transactions contemplated hereby and, to the best of Western's knowledge 
after reasonable inquiry, no such litigation, proceeding, controversy, claim 
or action has been threatened or is contemplated.

          (l)  ABSENCE OF REGULATORY ACTIONS.  Neither Western nor any of its 
Subsidiaries is a party to any cease and desist order, written agreement or 
memorandum of understanding with, or a party to any commitment letter or 
similar undertaking to, or is subject to any order or directive by, or is a 
recipient of any extraordinary supervisory letter from, or has adopted any 
board resolutions at the request of, Government Regulators nor has it been 
the recipient of any advice from any Government Regulator that such 
Government Regulator is contemplating issuing or requesting (or is 
considering the appropriateness of issuing or requesting) any such order, 
directive, written agreement, memorandum of understanding, extraordinary 
supervisory letter, commitment letter, board resolutions or similar 
undertaking.

          (m)  AGREEMENTS.  

          (i)  Except for this Plan (and agreements entered into in connection
     with the transactions contemplated hereby or those agreements copies of
     which have been previously furnished to Company) and arrangements made in
     the ordinary course of business, Western and its Subsidiaries are not bound
     by any Material contract (as defined in Item 601(b)(10) of Regulation S-K)
     to be performed after the date hereof that has not been filed with or
     incorporated by reference in the Western Reports.  Except as disclosed in
     the Western Reports filed prior to the date of this Plan, neither Western
     nor any of its Subsidiaries is a party to an oral or written (A) consulting
     agreement (other than data processing, software programming and licensing
     contracts entered into in the ordinary course of 



                                     -37-
<PAGE>

     business) not terminable on 30 days' or less notice involving the 
     payment of more than $200,000 per annum, in the case of any such 
     agreement with an individual, or $250,000 per annum, in the case of any 
     other such agreement, (B) agreement with any executive officer or other 
     key employee of Western or any of its Subsidiaries the benefits of which 
     are contingent, or the terms of which are materially altered, upon the 
     occurrence of a transaction involving Western or any of its Subsidiaries 
     of the nature contemplated by this Plan and which provides for the 
     payment of in excess of $250,000, (C) agreement with respect to any 
     executive officer of Western or any of its Subsidiaries providing any 
     term of employment or compensation guarantee extending for a period 
     longer than six months and for the payment of in excess of $250,000 per 
     annum, (D) agreement or plan, including any stock option plan, stock 
     appreciation rights plan, restricted stock plan or stock purchase plan, 
     any of the benefits of which will be increased, or the vesting of the 
     benefits of which will be accelerated, by the occurrence of any of the 
     transactions contemplated by this Plan or the value of any of the 
     benefits of which will be calculated on the basis of any of the 
     transactions contemplated by this Plan or (E) agreement containing 
     covenants that limit the ability of Western or any of its Subsidiaries 
     to compete in any line of business or with any person, or that involve 
     any restriction on the geographic area in which, or method by which, 
     Western (including any successor thereof) or any of its Subsidiaries may
     carry on its business (other than as may be required by law or any 
     regulatory agency).

          (ii) Neither Western nor any of its Subsidiaries is in default under
     or in violation of any provision of any note, bond, indenture, mortgage,
     deed of trust, loan agreement or other agreement to which it is a party or
     by which it is bound or to which any of its respective properties or assets
     is subject.

          (n)  LABOR MATTERS.  Neither Western nor any of its 
Subsidiaries is a party to, or is bound by, any collective bargaining 
agreement, contract, or other agreement or understanding with a labor 
union or labor organization, nor is Western or any of its Subsidiaries 
the subject of any proceeding asserting that it has committed an unfair 
labor practice or seeking to compel it or any such 



                                     -38
- -
<PAGE>

Subsidiary to bargain with any labor organization as to wages and 
conditions of employment, nor is there any strike, other labor dispute 
or organizational effort involving Western or any of its Subsidiaries 
pending or threatened.

          (o)  EMPLOYEE BENEFIT PLANS.  The Western Disclosure Letter 
contains a complete list of all pension, retirement, stock option, stock 
purchase, stock ownership, savings, stock appreciation right, profit 
sharing, deferred compensation, consulting, bonus, group insurance, 
severance and other benefit plans, contracts, agreements, policies and 
arrangements, including, but not limited to, "employee benefit plans", 
as defined in Section 3(3) of ERISA and all trust agreements related 
thereto in respect to any present or former directors, officers, or 
other employees of Western or any of its Subsidiaries (hereinafter 
referred to collectively as the "Western Employee Plans"). (i) All of 
the Western Employee Plans comply in all material respects with all 
applicable requirements of ERISA, the Code and other applicable laws; 
neither Western nor any of its Subsidiaries has engaged in a "prohibited 
transaction" (as defined in Section 406 of ERISA or Section 4975 of the 
Code) with respect to any Western Employee Plan which could subject 
Western or any Subsidiary to a material tax or penalty under Section 
4975 of the Code or Section 502(i) of ERISA; and all contributions 
required to be made under the terms of any Western Employee Plan have 
been timely made or have been reflected on Western's balance sheet; (ii) 
no liability to the PBGC has been or is expected by Western or any of 
its Subsidiaries to be incurred with respect to any Western Employee 
Plan which is subject to Title IV of ERISA (a "Western Pension Plan"), 
or with respect to any "single-employer plan" (as defined in Section 
4001(a)(15) of ERISA) currently or formerly maintained by Western or any 
entity (a "Western ERISA Affiliate") which is considered one employer 
with Western under Section 4001 of ERISA or Section 414 of the Code (an 
"Western ERISA Affiliate Plan"); and no proceedings have been instituted 
to terminate any Western Pension Plan or Western ERISA Affiliate Plan 
and no condition exists that presents a material risk of the institution 
of such proceedings; (iii) no Western Pension Plan or Western ERISA 
Affiliate Plan had an "accumulated funding deficiency" (as defined in 
Section 302 of ERISA (whether or not waived)) as of the last day of the 
end of the most recent plan year ending prior to the date hereof; the 
fair market value of the assets of each Western Pension Plan and Western 
ERISA Affiliate Plan exceeds the present 



                                     -39-

<PAGE>

value of the "benefit liabilities" (as defined in Section 4001(a)(16) of 
ERISA) under such Western Pension Plan or Western ERISA Affiliate Plan as of 
the end of the most recent plan year with respect to the respective Western 
Pension Plan or Western ERISA Affiliate Plan ending prior to the date hereof, 
calculated on the basis of the actuarial assumptions used in the most recent 
actuarial valuation for such Western Pension Plan or Western ERISA Affiliate 
Plan prior to the date hereof, and there has been no material change in the 
financial condition of any such Western Pension Plan or Western ERISA 
Affiliate Plan since the last day of the most recent plan year; and no notice 
of a "reportable event" (as defined in Section 4043 of ERISA) for which the 
30-day reporting requirement has not been waived has been required to be 
filed for any Western Pension Plan or Western ERISA Affiliate Plan within the 
12-month period ending on the date hereof; (iv) neither Western nor any 
Subsidiary of Western has provided or is required to provide, security to any 
Western Pension Plan or to any Western ERISA Affiliate Plan pursuant to 
Section 401(a)(29) of the Code; (v) neither Western, its Subsidiaries, nor 
any Western ERISA Affiliate has contributed to any "multiemployer plan", as 
defined in Section 3(37) of ERISA, on or after September 26, 1980; (vi) each 
Employee Plan of Western or any of its Subsidiaries which is an "employee 
pension benefit plan" (as defined in Section 3(2) of ERISA) has received a 
favorable determination letter from the Internal Revenue Service deeming such 
plan to be a Qualified Plan or has requested such a determination letter 
within the applicable remedial amendment period under Section 401(b) of the 
Code; and neither Western nor its Subsidiaries are aware of any circumstances 
likely to result in revocation of any such favorable determination letter; 
(vii) each Qualified Plan which is an "employee stock ownership plan" (as 
defined in Section 4975(e)(7) of the Code) has satisfied all of the 
applicable requirements of Sections 409 and 4975(e)(7) of the Code and the 
regulations thereunder; all Western Employee Plans covering foreign 
participants comply in all material respects with applicable local law, and 
there are no material unfunded liabilities with respect to any Western 
Employee Plan which covers foreign employees; (viii) there is no pending or, 
to Western's knowledge, threatened litigation, administrative action or 
proceeding relating to any Western Employee Plan; (ix) there has been no 
announcement or commitment by Western or any Subsidiary of Western to create 
an additional Western Employee Plan, or to amend a Western Employee Plan 
except for amendments required 


                                     -40-
<PAGE>

by applicable law which do not increase the cost of such Western Employee 
Plan; and Western and its Subsidiaries do not have any obligations for 
retiree health and life benefits under any Western Employee Plan except as 
set forth in the Western Disclosure Letter, and there are no such Western 
Employee Plans that cannot be amended or terminated without incurring any 
liability thereunder; (x) with respect to Western or any of its Subsidiaries, 
except as specifically identified in the Western Disclosure Letter, the 
execution and delivery of this Agreement and the consummation of the 
transactions contemplated hereby will not result in any payment or series of 
payments by Western or any Subsidiary of Western to any person which is an 
"excess parachute payment" (as defined in Section 280G of the Code) under any 
Western Employee Plan, increase or secure (by way of a trust or other 
vehicle) any benefits payable under any Western Employee Plan, or accelerate 
the time of payment or vesting of any such benefit, and (xi) with respect to 
each Western Employee Plan, Western has supplied to the Company a true and 
correct copy, if applicable, of (A) the two most recent annual reports on the 
applicable form of the Form 5500 series filed with the IRS, (B) such Western 
Employee Plan, including amendments thereto, (C) each trust agreement and 
insurance contract relating to such Western Employee Plan, including 
amendments thereto, (D) the most recent summary plan description for such 
Western Employee Plan, including amendments thereto, if the Western Employee 
Plan is subject to Title I of ERISA, (E) the most recent actuarial report or 
valuation if such Western Employee Plan is a Western Pension Plan, (F) the 
most recent determination letter issued by the IRS if such Western Employee 
Plan is a Qualified Plan and (G) the most recent financial statements and 
auditor's report.

          (p)  REAL PROPERTY.

          (i) The Western Disclosure Letter contains a complete and correct 
     list of (A) all real property or premises owned on the date hereof, in 
     whole or in part by Western or any of its Subsidiaries and all 
     indebtedness secured by any encumbrance thereon, and (B) all real 
     property or premises leased in whole or in part by Western or any of its 
     Subsidiaries, together with a list of all applicable leases and the name 
     of the lessor.  None of such premises or properties have been condemned 
     or otherwise taken by any public authority and no condemnation or taking 
     is threatened 


                                     -41-
<PAGE>

     or contemplated and none thereof is subject to any claim, contract or 
     law which might affect its use or value for the purposes now made of it. 
     None of the premises or properties of Western or any of its Subsidiaries 
     is subject to any current or potential interests of third parties or 
     other restrictions or limitations that would impair or be inconsistent 
     in any material respect with the current use of such property by Western 
     or any of its Subsidiaries.
     
          (ii) Each of the leases referred to in the Western Disclosure 
     Letter is valid and existing and in full force and effect, and no party 
     thereto is in default and no notice of a claim of default by any party 
     has been delivered to Western or any of its Subsidiaries or is now 
     pending, and there does not exist any event that with notice or the 
     passing of time, or both, would constitute a default or excuse 
     performance by any party thereto, provided that with respect to matters 
     relating to any party other than Western the foregoing representation is 
     based on the knowledge of Western.

          (q)  TITLE.  Each of Western and its Subsidiaries has good title to 
its properties and assets (other than (i) property as to which it is lessee 
and (ii) real estate owned as a result of foreclosure, transfer in lieu of 
foreclosure or other transfer in satisfaction of a debtor's obligation 
previously contracted) except (1) statutory liens not yet delinquent which 
are being contested in good faith by appropriate proceedings, and liens for 
taxes not yet due, (2) pledges of assets in the ordinary course of business 
to secure public deposits, (3) for those assets and properties disposed of 
for fair value in the ordinary course of business since the date of Western's 
Annual Report on Form 10-KSB/A for the year ended December 31, 1996 and (4) 
defects and irregularities of title and encumbrances that do not materially 
impair the use thereof for the purposes for which they are held.

          (r)  KNOWLEDGE AS TO CONDITIONS.  As of the date hereof, Western 
knows of no reason why the approvals, consents and waivers of governmental 
authorities referred to in Section 5.1(b) should not be obtained without the 
imposition of any condition of the type referred to in the provisos thereto.

                                     -42-
<PAGE>

          (s)  COMPLIANCE WITH LAWS.  Since December 31, 1994, Western and 
each of its Subsidiaries have complied in all Material respects with all 
applicable laws, except for any noncompliance with any such laws which, 
individually or in the aggregate, would not have a Material Adverse Effect on 
Western or enable any Person to enjoin the Merger.  Except as would not have 
a Material Adverse Effect on Western, each of Western and its Subsidiaries 
has all permits, licenses, certificates of authority, orders and approvals 
of, and has made all filings, applications and registrations with, federal, 
state, local and foreign governmental or regulatory bodies that are required 
in order to permit it to carry on its business as it is presently conducted.  
All such permits, licenses, certificates of authority, orders and approvals 
are in full force and effect, and, to the knowledge of Western, no suspension 
or cancellation of any of them is threatened.

          (t)  FEES.  Other than in respect of financial advisory services 
performed for Western by Belle Plaine Financial Partners, Inc. and/or other 
qualified financial advisors, in amounts and pursuant to arrangements 
previously disclosed to the Company, neither Western nor any of its 
Subsidiaries, nor any of their respective officers, directors, employees or 
agents, has employed any broker or finder or incurred any liability for any 
financial advisory fees, brokerage fees, commissions, or finder's fees, and 
no broker or finder has acted directly or indirectly for Western or any 
Subsidiary of Western, in connection with the Plan or the transactions 
contemplated hereby.

          (u)  ENVIRONMENTAL MATTERS.  (i) Western and each Subsidiary has 
complied in all material respects at all times with all applicable 
Environmental Laws; (ii) none of the properties (including buildings or any 
other structures) currently owned or operated by Western or any Subsidiary 
("Western Properties") has been contaminated with, or has had any release of, 
any Hazardous Substance; (iii) to Western's knowledge, none of the properties 
formerly owned or operated by it or any Subsidiary has been contaminated with 
Hazardous Substances during such period of ownership or operation; (iv) to 
Western's knowledge, neither it nor any Subsidiary is subject to liability 
for any Hazardous Substance disposal or contamination on any third party 
property; (v) neither Western nor any Subsidiary has received any notice, 
demand letter, claim or request for information alleging that Western or any 
Subsidiary may be 


                                     -43-
<PAGE>

in violation of or subject to liability under any Environmental Law; (vi) 
neither Western nor any of its Subsidiaries is subject to any orders, 
decrees, injunctions or other agreements with any governmental authority or 
any third party relating to Hazardous Substances or any Environmental Law; 
(vii) there are no circumstances or conditions involving Western or any of 
its Subsidiaries that could reasonably be expected to result in any claims, 
liability, investigations, suits or costs or result in restrictions on the 
ownership, use, or transfer of any Western Property pursuant to any 
Environmental Law, (viii) none of the Western Properties contain any 
underground storage tanks, asbestos-containing material, lead products, or 
polychlorinated biphenyls; (ix) to the knowledge of Western none of the 
Western Properties have ever been operated in the past as a gas station, 
automotive repair or supply business, metalworking operation, industrial 
facility or as a drycleaner; (x) neither Western nor any Subsidiary has 
engaged in any activity involving the generation, use, handling or disposal 
of any Hazardous Substances other than ordinary and routine office operations 
and maintenance, (xi) neither Western nor any Subsidiary has participated in 
the management of any borrower or other third party, including entities in 
which it may hold a security, fiduciary or other interest, that, to Western's 
knowledge, engages in activities involving Hazardous Substances to an extent 
that it could be deemed an "owner" or "operator" of such entity under any 
Environmental Law, and (xii) to Western's knowledge, it has delivered to the 
Company copies of all environmental reports, studies, sampling data, permits, 
government filings and other environmental information in its possession 
relating to Western or its Subsidiaries or any of their current or former 
properties or operations.

          (v)  ALLOWANCE.  The allowance for possible loan and lease losses 
shown on Western's unaudited balance sheet as of June 30, 1997 was, and the 
allowance for possible loan losses shown on the balance sheets in Western 
Reports for periods ending after the date of this Plan will be, adequate, as 
of the date thereof, under generally accepted accounting principles 
applicable to banks and bank holding companies. Western has disclosed to the 
Company in writing prior to the date hereof the amounts of all loans, leases, 
advances, credit enhancements, other extensions of credit, commitments and 
interest-bearing assets of Western and its Subsidiaries that as of June 30, 
1997 have been classified as "Other Assets Specially Mentioned," 
"Substandard,"


                                     -44-
<PAGE>

"Doubtful," "Loss," "Classified," "Criticized," "Credit Risk Assets" or words 
of similar import.  The OREO included in any non-performing assets of Western 
or any of its Subsidiaries is carried net of reserves at the lower of cost or 
market value; less applicable selling costs, based on independent appraisals 
consistent with applicable regulatory requirements.

          (w)  MATERIAL INTERESTS OF CERTAIN PERSONS.  Except as disclosed in 
Western's Quarterly Report on Form 10-QSB for the quarter ended March 31, 
1997 or Western's Annual Report on Form 10-KSB/A for the year ended December 
31, 1996, no officer or director of Western, or any "associate" (as such term 
is defined in Rule 12b-2 under the Securities Exchange Act) of any such 
officer or director, has any Material interest in any Material contract or 
property (real or personal), tangible or intangible, used in or pertaining to 
the business of Western or any of its Subsidiaries. 

          (x)  INSURANCE.  Western and its Subsidiaries are currently 
insured, and since December 31, 1994, have been insured, for reasonable 
amounts with financially sound and reputable insurance companies, against 
such risks as companies engaged in a similar business would, in accordance 
with good business practice, customarily be insured.  All of the insurance 
policies and bonds maintained by Western and its Subsidiaries are in full 
force and effect, Western and its Subsidiaries are not in default thereunder 
and all Material claims thereunder have been filed in due and timely fashion. 
Since December 31, 1994, no claim by Western or any of its Subsidiaries on 
or in respect of an insurance policy or bond has been declined or refused by 
the relevant insurer or insurers. In the best judgment of Western's 
management, such insurance coverage is adequate and will be available in the 
future under terms and conditions substantially similar to those in effect on 
the date hereof.  Between the date hereof and the Effective Time, Western and 
its Subsidiaries will maintain the levels of insurance coverage in effect on 
the date hereof and will submit all potential claims existing prior to the 
Effective Time to its insurance carrier on or before the Effective Time.  The 
Western Disclosure Letter lists all insurance policies maintained by or for 
the benefit of Western, its Subsidiaries or its directors, officers, 
employees or agents, specifying the (i) type of policy, (ii) policy limits 
and (iii) self insurance amounts.


                                     -45-
<PAGE>

          (y)  INVESTMENT SECURITIES.  Except for pledges to secure public 
and trust deposits and reverse repurchase agreements entered into in 
arm's-length transactions pursuant to normal commercial terms and conditions 
and other pledges required by law, none of the investments reflected in the 
consolidated balance sheet of Western for the quarter ended June 30, 1997, 
and none of the Material investments made by it or any of its Subsidiaries 
since December 31, 1996, is subject to any restriction (contractual, 
statutory or otherwise) that would materially impair the ability of the 
entity holding such investment freely to dispose of such investment at any 
time.

          (z)  DERIVATIVES.  Neither Western nor any of its Subsidiaries is 
currently a party to any interest rate swap, cap, floor, option agreement, 
other interest rate risk management arrangement or agreement or 
derivative-type security or derivative arrangement or agreement.

          (aa) REGISTRATION OBLIGATIONS.  Neither Western nor any of its 
Subsidiaries is under any obligation, contingent or otherwise, to register 
any of its securities under the Securities Act except as contemplated by this 
Plan.

          (bb) BOOKS AND RECORDS.  The books and records of Western and its 
Subsidiaries have been, and are being, maintained in accordance with 
applicable legal and accounting requirements and reflect in all Material 
respects the substance of events and transactions that should be included 
therein.

          (cc) CORPORATE DOCUMENTS.  Western has delivered to the Company true
and complete copies of (i) its amended articles of incorporation and amended by-
laws and (ii) the articles of incorporation and by-laws of Western Bank.

          (dd) COMPANY ACTION.  The Board of Directors of Western has adopted 
resolutions recommending that the principal terms of this Plan be approved by 
the shareholders of Western and directing that this Plan be submitted for 
consideration by Western's shareholders at Western's Meeting.  Western, as 
the sole shareholder of Western Bank, has approved the principal terms of 
this Plan. 

          (ee) LOANS.  Each loan reflected as an asset on Western's 
consolidated balance sheet as of June 30, 1997 and 


                                     -46-
<PAGE>

each balance sheet date subsequent thereto (i) is evidenced by notes, 
agreements or other evidences of indebtedness which are true, genuine and 
what they purport to be, (ii) is the legal, valid and binding obligation of 
the obligor named therein, enforceable in accordance with its terms, subject 
to bankruptcy, insolvency, fraudulent conveyance and other laws of general 
applicability relating to or affecting creditors' rights and to general 
equity principles, and (iii) to the knowledge of Western, will not be subject 
to any defenses which may be asserted against Western's bank Subsidiaries.  
All loans and extensions of credit that have been made by Western Bank or any 
other bank Subsidiaries of Western and that are subject to Sections 22(h), 
23A and 23B of the Federal Reserve Act comply therewith.

          (ff) FAIR LENDING; COMMUNITY REINVESTMENT ACT.  As of the date 
hereof, with the exception of routine investigation of consumer complaints, 
neither Western nor any of its Subsidiaries has been advised that it is or 
may be in violation of the Equal Credit Opportunity Act or the Fair Housing 
Act or any similar federal or state statute.  Western Bank received a CRA 
rating of "outstanding" in its most recent CRA examination.  Each of 
Western's bank Subsidiaries received a CRA rating of "satisfactory" or better 
in its most recent CRA examination.

          (gg) NO OMISSION OF MATERIAL FACT.  No representation or warranty 
by Western in this Plan, including the Annexes hereto, the disclosure letters 
and the schedules to be delivered herewith or the Proxy Statement filed in 
connection with the Meeting, contains any untrue statement of Material fact, 
or omits to state a Material fact necessary to make the statements or facts 
contained herein or therein not misleading.  None of the information 
regarding Western or any of its Subsidiaries or the transactions contemplated 
hereby supplied or to be supplied by Western or any of its Subsidiaries for 
inclusion in any documents or filings to be filed with any regulatory 
authority in connection with the transactions contemplated hereby will 
contain any untrue statement of Material fact, or omit to state a Material 
fact necessary to make the statements or facts contained therein not 
misleading.

          (hh) WESTERN COMMON STOCK.  The shares of Western Common Stock to 
be issued pursuant to this Plan, when issued in accordance with the terms of 
this Plan, will be duly authorized, validly issued, fully paid and 
non-assessable.


                                     -47-
<PAGE>

                            ARTICLE IV.  COVENANTS

          SECTION 4.1.  ACQUISITION PROPOSALS.  The Company agrees that none of
it or any of its officers and directors shall, and the Company shall direct and
use its reasonable best efforts to cause its employees, agents and
representatives (including, without limitation, any investment banker, attorney
or accountant retained by it) not to, initiate, solicit or encourage, directly
or indirectly, any inquiries or the making of any proposal or offer (including,
without limitation, any proposal or offer to shareholders of the Company) with
respect to a merger, consolidation or similar transaction, other than pursuant
to this Plan, involving, or any purchase of all or any significant portion of
the assets or any equity securities of, the Company (any such proposal or offer
being hereinafter referred to as an "Acquisition Proposal") or, except to the
extent legally required for the discharge by the board of directors of its
fiduciary duties as advised in writing by such board's counsel, engage in any
negotiations concerning, or provide any confidential information or data to, or
have any discussions with, any person relating to an Acquisition Proposal, or
otherwise facilitate any effort or attempt to make or implement an Acquisition
Proposal.  The Company will immediately cease and cause to be terminated any
existing activities, discussions or negotiations with any parties conducted
heretofore with respect to any of the foregoing and shall make all reasonable
efforts to enforce any confidentiality agreements to which it is a party.  The
Company will take the necessary steps to inform the appropriate individuals or
entities referred to in the first sentence hereof of the obligations undertaken
in this Section 4.1.  The Company will notify Western immediately if any such
inquiries or proposals are received by, any such information is requested from,
or any such negotiations or discussions are sought to be initiated or continued
with the Company.

          SECTION 4.2.  CERTAIN POLICIES OF THE COMPANY.  At or before the
Effective Time, the Company shall make such accounting entries or adjustments as
Western shall request in order to implement its plans for the Company following
the Merger or to reflect merger-related expenses and costs; PROVIDED, HOWEVER,
that (a) the Company shall not be required to take such action more than two
days prior to the Effective Time, (b) no such adjustment shall require, based


                                     -48-
<PAGE>

upon consultation with counsel and accountants for the Company, any filing with
any governmental agency, or violate any law, rule or regulation applicable to
the Company, (c) no such adjustment shall require any changes in net income or
shareholders' equity that will be required to be contained in any financial
statement required to be filed by the Company under the rules of the FDIC if the
Company reasonably believes that all of the conditions to closing set forth in
Article V will not be either satisfied or waived; and FURTHER PROVIDED, that in
any event no accrual or reserve made by the Company pursuant to this Section 4.2
shall constitute or be deemed to be a breach or violation of or failure to
satisfy any representation, warranty, covenant, condition or other provision of
this Plan or otherwise be considered in determining whether any such breach,
violation or failure to satisfy shall have occurred.  The recording of such
adjustments shall not be deemed to imply any misstatement of previously
furnished financial statements or information and shall not be construed as
concurrence of the Company's management with any such adjustments.

          SECTION 4.3.  EMPLOYEE BENEFITS.  (a)  Western, Western Bank and the 
Company agree that, unless otherwise mutually determined or as set forth in 
subsection (b) below, the Company Employee Plans in effect at the date of this 
Plan (except stock plans (other than the stock bonus plan, which will remain in 
effect for a period to be agreed upon by the parties), including without 
limitation the Company's stock option plans and the stock award plan) will 
remain in effect for a period of at least six months after the Effective Time 
with respect to persons covered by such plans at the Effective Time.  Western 
is presently investigating, with a consultant's assistance, the types of 
benefits which should be made available to its employees and those of its 
Subsidiaries. Each person employed by the Company prior to the Effective Time 
who remains an employee of the Surviving Corporation following the Effective 
Time (each a "Continued Employee") will be eligible to participate on the same 
basis as similarly situated employees of Western or Western Bank in existing 
benefit plans of Western or Western Bank as well as such other and additional 
benefit plans as shall be determined by the board of the Surviving Corporation 
as a result of such investigation and study.  All such participation shall be 
subject to the terms of Western's Benefit Plans as may be in effect from time 
to time. Western and Western Bank shall, solely for purposes of time


                                     -49-
<PAGE>

of service, vesting and eligibility to participate in Western's Benefit Plans, 
recognize credit for each Continued Employee's term of service with the Company.

          (b)  Western and Western Bank will honor, to the extent set forth in
the Company Disclosure Letter, all employment and severance agreements of the
Company, in accordance with their terms.

          SECTION 4.4.  ACCESS AND INFORMATION.  Upon reasonable notice, each
party hereto shall (and shall cause its Subsidiaries to) afford to the other
party and its representatives (including, without limitation, directors,
officers and employees of such party and its affiliates, and counsel,
accountants and other advisors retained by such party and its affiliates) such
access (including, without limitation, for the purpose of conducting
supplemental due diligence reviews) during normal business hours throughout the
period prior to the Effective Time to the books, records (including, without
limitation, loan and credit files, tax returns and work papers of independent
auditors), properties, personnel and to such other information as the requesting
party may reasonably request; PROVIDED, HOWEVER, that no investigation pursuant
to this Section 4.4 shall affect or be deemed to modify any representation or
warranty made herein.  Each party agrees that it will not, and will cause its
representatives not to, use any information obtained pursuant to this
Section 4.4 for any purpose unrelated to the consummation of the transactions
contemplated by this Plan.  Subject to the requirements of law, each party will
keep confidential, and will cause its representatives to keep confidential, all
information and documents obtained pursuant to this Section 4.4 and in
accordance with the Confidentiality Agreement between the Company and Western in
effect prior to the date hereof (the "Confidentiality Agreement").  In the event
that this Plan is terminated or the transactions contemplated by this Plan shall
otherwise fail to be consummated, each party shall promptly cause all copies of
documents or extracts thereof containing information and data as to another
party hereto (or an affiliate of any party hereto) to be returned to the party
which furnished the same.  Except as otherwise specifically provided herein, the
terms of the Confidentiality Agreement shall remain in full force and effect.


                                     -50-
<PAGE>

          SECTION 4.5.  CERTAIN FILINGS, CONSENTS AND ARRANGEMENTS.  Western,
Western Bank and the Company shall (a) as soon as practicable make any filings
and applications required to be filed in order to obtain all approvals, consents
and waivers of governmental authorities necessary or appropriate for the
consummation of the transactions contemplated hereby and use their reasonable
best efforts to cause the applications for the approvals described in Section
5.1(b) hereof to be initially filed on or before September 30, 1997; (b)
cooperate with one another (i) in promptly determining what filings are required
to be made or approvals, consents or waivers are required to be obtained under
any relevant federal, state or foreign law or regulation and (ii) in promptly
making any such filings, furnishing information required in connection therewith
and seeking timely to obtain any such approvals, consents or waivers; and (c)
deliver to the other copies of the publicly available portions of all such
filings and applications promptly after they are filed.

          SECTION 4.6.  INDEMNIFICATION; DIRECTORS' AND OFFICERS' INSURANCE.
(a)  From and for a period of six years after the Effective Time, Western and
Western Bank agree to indemnify and hold harmless each director and officer of
the Company, determined as of the Effective Time (the "Indemnified Parties"),
against any costs or expenses (including reasonable attorneys' fees), judgments,
fines, losses, claims, damages or liabilities (collectively, "Costs") incurred
in connection with any claim, action, suit, proceeding or investigation, whether
civil, criminal, administrative or investigative, arising out of matters
existing or occurring at or prior to the Effective Time (including with respect
to this Plan or any of the transactions contemplated hereby), whether asserted,
claimed or arising prior to, at or after the Effective Time, to the extent to
which such Indemnified Parties were entitled under California law and the
Company's articles of incorporation or by-laws in effect on the date hereof, and
Western shall also advance expenses as incurred to the extent permitted under
California law and the Company's articles of incorporation and by-laws.

          (b)  Any Indemnified Party wishing to claim indemnification under
Section 4.6(a) hereof, upon learning of any such claim, action, suit, proceeding
or investigation, shall as promptly as possible notify Western thereof, but the
failure to so notify shall not relieve


                                     -51-
<PAGE>

Western of any liability it may have to such Indemnified Party if such failure 
does not materially prejudice Western. In the event of any such claim, action, 
suit, proceeding or investigation (whether arising before or after the 
Effective Time), (i) Western shall have the right to assume the defense thereof 
and Western shall not be liable to such Indemnified Parties for any legal 
expenses of other counsel or any other expenses subsequently incurred by such 
Indemnified Parties in connection with the defense thereof, except that if 
Western elects not to assume such defense, or counsel for the Indemnified 
Parties advises that there are issues which raise conflicts of interest between 
Western and the Indemnified Parties, the Indemnified Parties may retain counsel 
satisfactory to them, and Western shall pay the reasonable fees and expenses of 
one such counsel for the Indemnified Parties in any jurisdiction promptly as 
statements thereof are received unless the use of one counsel for such 
Indemnified Parties would present such counsel with a conflict of interest, 
(ii) the Indemnified Parties will cooperate in the defense of any such matter 
and (iii) Western shall not be liable for any settlement effected without its 
prior written consent.  Notwithstanding the foregoing, Western shall not have 
any obligation hereunder to any Indemnified Party when and if a court of 
competent jurisdiction shall ultimately determine, and such determination shall 
have become final and nonappealable, that the indemnification of such 
Indemnified Party in the manner contemplated hereby is not permitted or is 
prohibited by applicable law.

          (c)  For a period of six years after the Effective Time, Western shall
use its reasonable best efforts to cause to be maintained in effect the current
policies of directors' and officers' liability insurance maintained by the
Company (provided that Western may substitute therefor policies of comparable
coverage with respect to claims arising from facts or events which occurred
before the Effective Time); PROVIDED, HOWEVER, that in no event shall Western be
obligated to expend, in order to maintain or provide insurance coverage pursuant
to this Subsection 4.6(c), any amount per annum in excess of 200% of the amount
of the annual premiums paid as of the date hereof by the Company for such
insurance (the "Maximum Amount").  If the amount of the annual premiums
necessary to maintain or procure such insurance coverage exceeds the Maximum
Amount, Western shall use all reasonable efforts to maintain the most
advantageous policies of directors' and officers'


                                     -52-
<PAGE>

insurance obtainable for an annual premium equal to the Maximum Amount.  
Notwithstanding the foregoing, prior to the Effective Time, Western may request 
the Company to, and the Company shall, purchase insurance coverage, on such 
terms and conditions as shall be acceptable to Western, extending for a period 
of six years the Company's directors' and officers' liability insurance 
coverage in effect as of the date hereof (covering past or future claims with 
respect to periods before the Effective Time) and such coverage shall satisfy 
Western's obligations under this Subsection (c).

          (d)  If Western or any of its successors or assigns (i) shall
consolidate with or merge into any other corporation or entity and shall not be
the continuing or surviving corporation or entity of such consolidation or
merger or (ii) shall transfer all or substantially all of its properties and
assets to any individual, corporation or other entity, then and in each such
case, proper provision shall be made so that the successors and assigns of
Western shall assume the obligations set forth in this Section 4.6.

          (e)  The provisions of this Section 4.6 are intended to be for the
benefit of, and shall be enforceable by, each Indemnified Party and his or her
heirs and representatives.

          SECTION 4.7.  ADDITIONAL AGREEMENTS.  Subject to the terms and
conditions herein provided, each of the parties hereto agrees to use its
reasonable best efforts to take promptly, or cause to be taken promptly, all
actions and to do promptly, or cause to be done promptly, all things necessary,
proper or advisable under applicable laws and regulations to consummate and make
effective the transactions contemplated by this Plan as soon as practicable,
including using efforts to obtain all necessary actions or non-actions,
extensions, waivers, consents and approvals from all applicable governmental
entities, effecting all necessary registrations, applications and filings
(including, without limitation, filings under any applicable state securities
laws) and obtaining any required contractual consents and regulatory approvals.

          SECTION 4.8.  PUBLICITY.  The initial press release announcing this
Plan shall be a joint press release and thereafter Western and the Company shall
consult with each other in issuing any press releases or otherwise making public
statements with respect to the other or the


                                     -53-
<PAGE>

transactions contemplated hereby and in making any filings with any 
governmental entity or with any national securities exchange with respect 
thereto. 

          SECTION 4.9.  REGISTRATION STATEMENT.  As soon as reasonably
practicable after the date hereof, Western and the Company shall jointly prepare
a registration statement, including a joint proxy statement in respect of the
Meetings (as defined herein) (the "Registration Statement"), for the purpose of
registering the Western Common Stock to be issued pursuant hereto, file the
Registration Statement with the SEC, respond to comments of the staff of the SEC
and promptly thereafter mail the Registration Statement to all holders of record
(as of the applicable record date) of shares of Company Common Stock and Western
Common Stock.  The Company covenants that (a) all information supplied by it in
writing to Western expressly for use in the Registration Statement will be
accurate and complete in all Material respects and (b) none of the information
to be supplied by the Company will, in the case of the proxy statement to be
used by Western to solicit the approval of its shareholders as contemplated by
this Plan, when it is first mailed to Western's shareholders, contain any untrue
statement of a Material fact or omit to state any Material fact necessary in
order to make the statement made therein, in light of the circumstances under
which such statements are made, not misleading.  Western covenants that (a) all
information supplied by it in writing to the Company expressly for use in the
Registration Statement will be accurate and complete in all Material respects
and (b) none of the information to be supplied by Western will, in the case of
the proxy statement to be used by the Company to solicit the approval of its
shareholders as contemplated by this Plan, when it is first mailed to the
Company's shareholders, contain any untrue statement of a Material fact or omit
to state any Material fact necessary in order to make the statement made
therein, in light of the circumstances under which such statements are made, not
misleading.

          SECTION 4.10.  SHAREHOLDERS' MEETINGS.  Each of Western and the
Company shall take all action necessary, in accordance with applicable law and
its articles of incorporation and by-laws, to convene a meeting of the holders
of its common stock (each, a "Meeting") as mutually agreed for the purpose of
approving the principal terms of this Plan.  Except to the extent legally
required for the discharge by such party's board of directors of its


                                     -54-
<PAGE>

fiduciary duties as advised in writing by such board's counsel, such party's 
board of directors shall recommend at its Meeting that the principal terms of 
this Plan be approved by its shareholders.

          SECTION 4.11.  NOTIFICATION OF CERTAIN MATTERS.  Each of Western and
the Company shall give prompt notice to the other of:  (a) any notice of, or
other communication relating to, a default or event that, with notice or lapse
of time or both, would become a default, received by it or any of its
Subsidiaries subsequent to the date of this Plan and prior to the Effective
Time, under any contract Material to the financial condition, properties,
businesses or results of operations of such party taken as a whole to which such
party or any Subsidiary is a party or is subject; and (b) any Material adverse
change in the condition (financial or other), properties, assets, business,
results of operations or prospects of it and its Subsidiaries taken as a whole
or the occurrence of any event which, so far as reasonably can be foreseen at
the time of its occurrence, is reasonably likely to result in any such change. 
Each of the Company and Western shall give prompt notice to the other party of
any notice or other communication from any third party alleging that the consent
of such third party is or may be required in connection with the transactions
contemplated by this Plan.

          SECTION 4.12.  NO ACQUISITIONS OF COMPANY COMMON STOCK.  Prior to the
earlier of (i) immediately prior to the Effective Time and (ii) the termination
of this Plan in accordance with Article VI hereof, Western shall not and shall
cause its affiliates not to, directly or indirectly, acquire any shares of
Company Common Stock, other than (i) up to 5% of such shares acquired during the
period commencing on the first business day after the release of the press
release announcing this Plan and (ii) shares acquired in a fiduciary or agency
capacity or in satisfaction of a debt or debts previously contracted.

          SECTION 4.13.  SECURITIES ACT. (a)  As soon as practicable after the
date of the Company's Meeting, the Company shall identify to Western all persons
who the Company believes to be affiliates of the Company as that term is used in
paragraphs (c) and (d) of Rule 145 under the Securities Act ("Affiliates").


                                     -55-


<PAGE>

          (b)  The Company shall use its best efforts to obtain a written 
agreement from each person identified as an Affiliate pursuant to clause 
4.13(a) above who is an officer or director of the Company providing that 
each such person will agree not to sell, pledge, transfer or otherwise 
dispose of the shares of Western Common Stock to be received by such person 
in the Merger except in compliance with the applicable provisions of the 
Securities Act.  The Company shall cause forms of such written agreement to 
be delivered to each other person who the Company believes may be or become 
an Affiliate of Western for purposes of enabling such persons to comply with 
the exchange procedures set forth in Section 1.4.

          SECTION 4.14.  TAX-FREE REORGANIZATION TREATMENT.  Except as 
contemplated by Section 1.3(c)(iii), neither Western nor the Company shall 
take or cause to be taken any action, whether before or after the Effective 
Time, which would disqualify the Merger as a "reorganization" within the 
meaning of Section 368 of the Code.

          SECTION 4.15.  SHAREHOLDER AGREEMENTS. Certain directors of the 
Company, in their capacities as shareholders, in exchange for good and 
valuable consideration, have executed and delivered to Western shareholder 
agreements substantially in the form of Annex 3 hereto ("the Shareholder 
Agreements").

          SECTION 4.16.  DIRECTOR AND OFFICER RESIGNATIONS.  The Company 
shall cause to be delivered to Western at the Effective Time the resignations 
of the members of the board of directors of the Company and of such officers 
as are agreed to by Western and the Company in advance of the Effective Time.

                    ARTICLE V.  CONDITIONS TO CONSUMMATION                     

          SECTION 5.1.  CONDITIONS TO ALL PARTIES' OBLIGATIONS.  The 
respective obligations of Western, Western Bank and the Company to effect the 
Merger shall be subject to the satisfaction or waiver by Western and the 
Company prior to the Effective Time of the following conditions:

          (a)  The principal terms of this Plan shall have been approved by 
the requisite vote of the respective shareholders of the Company and Western.



                                   -56-

<PAGE>

          (b)  Western, Western Bank and the Company shall have procured the 
approvals, consents or waivers with respect to the Plan, the Merger and the 
other transactions contemplated hereby by the Federal Reserve Board, and all 
applicable statutory waiting periods shall have expired; and the parties 
shall have procured all other regulatory approvals, consents or waivers of 
governmental authorities or other persons that, in the opinion of counsel for 
Western and the Company, are necessary or appropriate for the consummation of 
the Merger and the other transactions contemplated hereby; PROVIDED, HOWEVER, 
that no approval, consent or waiver referred to in this Section 5.1(b) shall 
be deemed to have been received if it shall include any condition or 
requirement (other than conditions or requirements that have been imposed on 
Western or Western Bank in connection with previous acquisitions announced 
since 1995) that, individually or in the aggregate, (i) would result in a 
Material Adverse Effect on Western or the Company or (ii) would reduce the 
economic and business benefits of the transactions contemplated by the Plan 
to Western or the Company in so significant and adverse a manner that the 
party or parties so affected, in its or their judgment, would not have 
entered into this Plan had such condition or requirement been known at the 
date hereof.

          (c)  All other requirements prescribed by law which are necessary 
to the consummation of the Merger and any transactions necessary to 
consummate the Merger shall have been satisfied.

          (d)  No party hereto shall be subject to any order, decree or 
injunction of a court or agency of competent jurisdiction which enjoins or 
prohibits the consummation of the Merger or any transaction necessary to 
consummate the Merger, and no litigation or proceeding shall be pending 
against the Company or Western or any of its Subsidiaries brought by any 
governmental agency seeking to prevent consummation of the Merger or any 
transaction necessary to consummate the Merger. 

          (e)  No statute, rule, regulation, order, injunction or decree 
shall have been enacted, entered, promulgated, interpreted, applied or 
enforced by any governmental authority which prohibits, restricts or makes 
illegal consummation of the Merger or any other transaction contemplated by 
this Plan.



                                   -57-

<PAGE>

          (f)  The Registration Statement shall have become effective and no 
stop order suspending the effectiveness of the Registration Statement shall 
have been issued and no proceedings for that purpose shall have been 
initiated or threatened by the SEC.

          (g)  Except if the failure to obtain such opinions is due solely to 
the circumstances described in Section 1.3(c)(iii), Western and Western Bank 
shall have received an opinion of Sullivan & Cromwell and the Company shall 
have received an opinion of Company Counsel, no later than thirty (30) days 
from the date hereof, and confirmed immediately prior to the Effective Time, 
substantially to the effect that the Merger will be a reorganization within 
the meaning of Section 368(a) of the Code, and that Western, Western Bank and 
the Company will each be a party to that reorganization.  Each such opinion 
may be based on, in addition to the review of such matters of law and fact as 
counsel rendering the opinion considers appropriate, (i) representations made 
at counsel's request by Western, Western Bank, the Company, shareholders of 
Western or the Company, or any combination of such persons, (ii) certificates 
provided at counsel's request by officers of Western, Western Bank or the 
Company and other appropriate persons and (iii) assumptions set forth in the 
opinion with the consent of Western (in the case of the opinion to be 
delivered by Sullivan & Cromwell) or with the consent of the Company (in the 
case of the opinion to be delivered by Company Counsel).

          SECTION 5.2.  CONDITIONS TO THE OBLIGATIONS OF WESTERN.  The 
obligations of Western and Western Bank to effect the Merger shall be subject 
to the satisfaction or waiver by Western prior to the Effective Time of the 
following additional conditions:

          (a)  Western shall have received from the Company's independent 
certified public accountants a "cold comfort" letter or "specified 
procedures" letter, dated (A) the date of the mailing of the Registration 
Statement, and (B) shortly prior to the Effective Date, with respect to 
certain financial information regarding the Company.

          (b)  Each of the representations and warranties of the Company 
contained in this Plan shall have been true and correct on the date hereof 
and shall be true and correct at the Effective Time (or on the date when made 
in the case of 


                
                                   -58-

<PAGE>

any representation or warranty which specifically relates to an earlier date 
or period); PROVIDED, HOWEVER, that for purposes of this Section 5.2(b) a 
representation or warranty shall only fail to be true and correct at the 
Effective Time if the failure of any such representation or warranty to be 
true and correct has or constitutes, or is likely to have or constitute or 
relates to, either individually or in the aggregate with other such 
representations or warranties, a Material Adverse Effect on the Company; the 
Company shall have performed, or shall have caused to be performed, in all 
Material respects, each of its covenants and agreements contained in this 
Plan required to be performed at or prior to the Effective Time; and Western 
shall have received a certificate signed by the Chief Executive Officer and 
the Chief Financial Officer of the Company, dated the Effective Date, as to 
the foregoing to the best of their knowledge.

          (c)  Western shall have received the written resignation of each 
director (in his/her capacity as director) of the Company, effective as of 
the Effective Time, and such resignations of officers as may be agreed to by 
Western and the Company pursuant to Section 4.16 hereof.

          (d)  The Company or Western shareholders voting against the 
principal terms of this Plan or giving notice in writing to the Company or 
Western, as the case may be, at or before the applicable Meeting that such 
shareholder dissents from the principal terms of this Plan, in the aggregate, 
shall not hold more than five percent of the Company Common Stock or Western 
Common Stock, as the case may be (the condition set forth in this paragraph 
(d) being referred to herein as the "Dissenters' Rights Condition"); 
PROVIDED, HOWEVER, that Western may, in its sole discretion, at anytime, 
either before or after shareholder approval of the principal terms of this 
Plan, waive the Dissenters' Rights Condition, either in whole or in part.

          (e)  Prior to solicitation of shareholder approval, Western shall 
have received an opinion confirming the fairness of the terms of the Merger 
to its shareholders from a financial point of view.

          (f)  Western shall have received a conformed copy of a certificate 
of satisfaction of the Franchise Tax Board of the State of California that 
all taxes imposed by law on the Company have been paid or secured, as filed 
with the 



                                   -59-

<PAGE>

Secretary of State for the State of California pursuant to Section 1103 of 
the California Corporations Code.

          (g)  As of December 31, 1997, (i) the Company Book Value shall not 
be less than $77,900,000 and (ii) the Company's allowance for loan and lease 
losses shall not be less than $7,992,000.

          SECTION 5.3.  CONDITIONS TO THE OBLIGATION OF THE COMPANY.  The 
obligation of the Company to effect the Merger shall be subject to the 
satisfaction or waiver by the Company prior to the Effective Time of the 
following additional conditions:

          (a)  The Company shall have received from Western's independent 
certified public accountants a "cold comfort" letter or letters or "specified 
procedures" letter or letters, dated (A) the date of the mailing of the 
Registration Statement, and (B) shortly prior to the Effective Date, with 
respect to certain financial information regarding Western.

          (b)  Each of the representations, warranties and covenants of 
Western contained in this Plan shall have been true on the date hereof and 
shall be true in all Material respects on the Effective Date as if made on 
such date (or on the date when made in the case of any representation or 
warranty which specifically relates to an earlier date or period), PROVIDED, 
HOWEVER, that for purposes of this Section 5.3(b) a representation or 
warranty shall only fail to be true and correct at the Effective Time if the 
failure of any such representation or warranty to be true and correct has or 
constitutes or relates to, or is likely to have or constitute or relate to, 
either individually or in the aggregate with other such representations or 
warranties, a Material Adverse Effect on Western; Western shall have 
performed, or shall have caused to be performed, in all Material respects, 
each of its covenants and agreements contained in this Plan required to be 
performed at or prior to the Effective Time; and the Company shall have 
received certificates signed by the Chief Executive Officer and the Chief 
Financial Officer of Western, dated the Effective Date, as to the foregoing.

          (c)  The Company shall have received an opinion, dated the 
Effective Date, from Sullivan & Cromwell, to the effect that the Western 
Common Stock being issued pursuant



                                   -60-

<PAGE>

 to this plan will be duly authorized, validly issued, fully paid and 
non-assessable.

          (d)  As of the Effective Time, Aubrey L. Austin shall be a member 
of the board of directors of Western and the Surviving Corporation and shall 
be the Chairman, President and Chief Executive Officer of the Surviving 
Corporation.

          (e)  Prior to the solicitation of shareholder approval and the 
Effective Time, the Company shall have received an opinion confirming the 
fairness of the terms of the Merger to its shareholders from a financial 
point of view.

                           ARTICLE VI.  TERMINATION                           

          SECTION 6.1.  TERMINATION.  This Plan may be terminated, and the 
Merger abandoned, prior to the Effective Date, either before or after its 
approval by the shareholders of the Company and Western:

          (a)  by the mutual consent of Western and the Company, if the board 
of directors of each so determines by vote of a majority of the members of 
its entire board;

          (b)  by either of Western or the Company, by written notice to the 
other, if its board of directors so determines by vote of a majority of the 
members of its entire board, in the event of (i) the failure of the 
shareholders of the Company to approve the principal terms of this Plan at 
its Meeting, (ii) the failure of the shareholders of Western to approve the 
principal terms of this Plan at its Meeting, or (iii) a Material breach by 
the other party hereto of any representation, warranty, covenant or agreement 
contained herein which is not cured or not curable within 30 days after 
written notice of such breach is given to the party committing such breach by 
the other party; 

          (c)  by either of Western or the Company, by written notice to the 
other, if either (i) any approval, consent or waiver of a governmental 
authority required to permit consummation of the Merger or any transaction 
necessary to consummate the Merger shall have been denied or (ii) any 
governmental authority of competent jurisdiction 



                                   -61-

<PAGE>

shall have issued a final, unappealable order enjoining or otherwise 
prohibiting consummation of the Merger or any transaction necessary to 
consummate the Merger; 

          (d)  by either of Western or the Company, by written notice to the 
other, if its board of directors so determines by vote of a majority of the 
members of its entire board, in the event that the Merger is not consummated 
by February 28, 1998, unless the failure so to consummate by such time is due 
to the breach of any representation, warranty or covenant contained in this 
Plan by the party seeking to terminate;

          (e)  by Western, by written notice to the Company, if the Company 
takes, causes to be taken or allows to be taken any action that, without 
giving effect to the exception contained in Section 4.1 hereof regarding the 
exercise by the Company's board of directors of its fiduciary duties, would 
otherwise be prohibited under Section 4.1 hereof; or

          (f)  by the Company, by written notice to Western prior to the 
approval by the shareholders of the Company of the principal terms of this 
Plan, if the Company receives an Acquisition Proposal on terms and conditions 
which the board of directors determines, after receiving the written advice 
of its outside counsel, (i) that to proceed with the Merger will violate the 
fiduciary duties of the board of directors to the Company's shareholders and 
(ii) to accept such proposal; PROVIDED, HOWEVER, that the Company shall not 
be entitled to terminate this Plan pursuant to this clause (f) unless it 
shall have provided Western with written notice of such a possible 
determination (which written notice will inform Western of the Material terms 
and conditions of the proposal, including the identity of the proponent) two 
business days prior to such determination.

          SECTION 6.2.  EFFECT OF TERMINATION. (a) In the event of the 
termination of this Plan by Western or the Company, as provided above, this 
Plan shall thereafter become void and, subject to the provisions of Section 
6.2(b) and (c) and Section 8.2 hereof, there shall be no liability on the 
part of any party hereto or their respective officers or directors, except 
that any such termination shall be without prejudice to the rights of any 
party hereto arising out of the willful breach by any other party of any 
covenant or willful misrepresentation contained in this Plan.



                                   -62-

<PAGE>

          (b)  The parties agree and acknowledge that it is impractical to 
ascertain the precise amount of damage to the Company as a result of a 
failure to consummate the Merger and the other transactions contemplated 
hereby due to a termination of this Plan by the Company pursuant to clause 
(iii) of Section 6.1(b) hereof.  Accordingly, in the event of such 
termination, Western shall pay to the Company $5 million plus all costs and 
expenses incurred by the Company in connection with this Plan, up to $1 
million, the parties agreeing that such amount will represent a reasonable 
estimate of the minimum damage to the Company and not a penalty.  The fee 
payable pursuant to the foregoing sentence shall be payable by Western to the 
Company by wire transfer to an account designated by the Company in writing, 
on or before the seventh day after it becomes due. Payment of such amount 
shall be in full satisfaction of damages to the Company arising from any 
breach by Western of any of its representations, warranties, covenants or 
agreements contained herein.

          (c)  The parties agree and acknowledge that it is impractical to 
ascertain the precise amount of damage to Western and Western Bank as a 
result of a failure to consummate the Merger and the other transactions 
contemplated hereby due to a termination of this Plan by Western pursuant to 
clause (iii) of Section 6.1(b) or Section 6.1(e) hereof or by the Company 
pursuant to Section 6.1(f) hereof.  Accordingly, in the event of such 
termination pursuant to clause (iii) of Section 6.1(b), the Company shall pay 
to Western $3 million, and in the event of such termination pursuant to 
Section 6.1(e) or Section 6.1(f), the Company shall pay to Western $10 
million, in either case plus all costs and expenses incurred by Western in 
connection with this Plan, up to $1 million, the parties agreeing that such 
amounts will represent a reasonable estimate of the minimum damage to Western 
and Western Bank and not a penalty.  The fee payable pursuant to the 
foregoing sentence shall be payable by the Company to Western by wire 
transfer to an account designated by Western in writing, on or before the 
seventh day after it becomes due.  Payment of such amount shall be in full 
satisfaction of damages to Western and Western Bank arising from any breach 
by the Company of any of its representations, warranties, covenants or 
agreements contained herein.



                                   -63-
<PAGE>

                 ARTICLE VII.  EFFECTIVE DATE AND EFFECTIVE TIME

          SECTION 7.1.  EFFECTIVE DATE AND EFFECTIVE TIME.  On such date as 
Western selects after December 31, 1997, which shall, unless such 30 day 
period ends prior to January 1, 1998, be within 30 days after the last to 
occur of the expiration of all applicable waiting periods in connection with 
approvals of governmental authorities, the receipt of all approvals of 
governmental authorities and the satisfaction or waiver of all other 
conditions to the consummation of the Merger, or on such earlier or later 
date as may be agreed in writing by the parties, an agreement of merger and 
related documents, in customary form, shall be executed in accordance with 
all appropriate legal requirements and shall be filed as required by law, and 
the Merger provided for herein shall become effective upon such filing or on 
such date and such time as may be specified in such agreement of merger.  The 
date of such filing or such later effective date is herein called the 
"Effective Date".  The "Effective Time" of the Merger shall be the time of 
such filing or as set forth in such agreement of merger.

                          ARTICLE VIII.  OTHER MATTERS

          SECTION 8.1.  CERTAIN DEFINITIONS; INTERPRETATION.  As used in this
Plan, the following terms shall have the meanings indicated:

          "Company Book Value" means the shareholders' equity of the Company,
     determined in accordance with GAAP.

          "GAAP" means generally accepted accounting principles applicable to
     bank holding companies, consistently applied.

          "Material" means material to Western or the Company (as the case may
     be) and their respective Subsidiaries, taken as a whole.

          "Material Adverse Effect", with respect to a person, means any
     condition, event, change or occurrence that is reasonably likely to have a
     Material adverse effect upon (A) the condition (financial or other),
     properties, assets, business, results of 

                                     -64-

<PAGE>

     operations or prospects of such person and its Subsidiaries, taken as a 
     whole, or (B) the ability of such person to perform its obligations under,
     and to consummate the transactions contemplated by, this Plan.

          "Person" includes an individual, corporation, partnership,
     association, trust or unincorporated organization.

          "Subsidiary", with respect to a person, means any other person
     controlled by such person.

When a reference is made in this Plan to Sections or Annexes, such reference
shall be to a Section of, or Annex to, this Plan unless otherwise indicated. 
The table of contents, index of defined terms and headings contained in this
Plan are for ease of reference only and shall not affect the meaning or
interpretation of this Plan.  Whenever the words "include", "includes", or
"including" are used in this Plan, they shall be deemed followed by the words
"without limitation".  Any singular term in this Plan shall be deemed to include
the plural, and any plural term the singular.

          SECTION 8.2.  SURVIVAL.  Only those agreements and covenants of the
parties that are by their terms applicable in whole or in part after the
Effective Time shall survive the Effective Time.  All other representations,
warranties, agreements and covenants shall be deemed to be conditions of the
Plan and shall not survive the Effective Time.  If the Plan shall be terminated,
the agreements of the parties in Section 6.2, this Section 8.2, Section 8.6,
Section 8.7 and the last four sentences of Section 4.4 hereof shall survive such
termination.

          SECTION 8.3.  WAIVER.  Prior to the Effective Time, any provision of
this Plan may be:  (i) waived by the party benefitted by the provision; or
(ii) amended or modified at any time (including the structure of the
transaction) by an agreement in writing between the parties hereto approved by
their respective boards of directors.

          SECTION 8.4.  COUNTERPARTS.  This Plan may be executed in
counterparts, each of which shall be deemed to constitute an original, but all
of which together shall constitute one and the same instrument.

                                     -65-

<PAGE>

          SECTION 8.5.  GOVERNING LAW.  This Plan shall be governed by, and
interpreted in accordance with, the laws of the State of California.

          SECTION 8.6.  WAIVER OF JURY TRIAL.  EACH OF THE PARTIES HERETO HEREBY
IRREVOCABLY WAIVES ANY AND ALL RIGHT TO TRIAL BY JURY IN ANY LEGAL PROCEEDING
ARISING OUT OF OR RELATED TO THIS PLAN OR THE TRANSACTIONS CONTEMPLATED HEREBY.

          SECTION 8.7.  EXPENSES.  Each party hereto will bear all expenses
incurred by it in connection with this Plan and the transactions contemplated
hereby.

          SECTION 8.8.  NOTICES.  All notices, requests, acknowledgments and
other communications hereunder to a party shall be in writing and shall be
deemed to have been duly given when delivered by hand, telecopy, telegram or
telex (confirmed in writing) to such party at its address set forth below or
such other address as such party may specify by notice to the other party
hereto.

          If to the Company, to:

               Santa Monica Bank
               1251 Fourth Street
               Santa Monica, Ca 90401
               Telecopier: (310) 917-6573 
               Attention: Aubrey L. Austin   


               With copies to:

               O'Melveny & Myers LLP
               400 South Hope Street
               Los Angeles, CA 90071
               Telecopier:  (213) 669-6407
               Attention:   Edward J. McAniff

               and

               George W. Collins, Inc.
               520 Broadway, Suite 300
               P.O. Box 2133
               Santa Monica, CA 90407-2133
               Telecopier: (310) 458-2907
               Attention:   George W. Collins, Esq.

                                     -66-

<PAGE>

          If to Western or Western Bank, to:

               Western Bancorp
               1251 Westwood Blvd.
               Los Angeles, CA 90024
               Telecopier:  (310) 477-8611
               Attention:   Matthew P. Wagner


               With copies to:

               Sullivan & Cromwell
               444 South Flower Street
               Los Angeles, California  90071
               Telecopier:  (213) 683-0458
               Attention:   Stanley F. Farrar

          SECTION 8.9.  ENTIRE AGREEMENT; ETC.  This Plan, together with the
Confidentiality Agreement and the Shareholder Agreements of even date herewith,
represents the entire understanding of the parties hereto with reference to the
transactions contemplated hereby and supersedes any and all other oral or
written agreements heretofore made.  All terms and provisions of the Plan shall
be binding upon and shall inure to the benefit of the parties hereto and their
respective successors and assigns.  Except as to Section 4.6 hereof, nothing in
this Plan is intended to confer upon any other person any rights or remedies of
any nature whatsoever under or by reason of this Plan.

          SECTION 8.10.  ASSIGNMENT.  This Plan may not be assigned by any party
hereto without the written consent of the other parties.

                                     -67-

<PAGE>

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

                    WESTERN BANCORP



                    By: /s/ Matthew P. Wagner
                       -------------------------------------------
                         Name:  Matthew P. Wagner
                         Title: President



                    WESTERN BANK



                    By: /s/ Matthew P. Wagner
                       -------------------------------------------
                         Name:  Matthew P. Wagner
                         Title: President



                    SANTA MONICA BANK
                         


                    By: /s/ Aubrey L. Austin  
                       -------------------------------------------
                         Name:  Aubrey L. Austin  
                         Title: President and Chief 
                                Executive Officer 



                                     -68-

<TABLE> <S> <C>

<PAGE>
<ARTICLE> 9
<MULTIPLIER> 1,000
       
<S>                             <C>
<PERIOD-TYPE>                   3-MOS
<FISCAL-YEAR-END>                          DEC-31-1997
<PERIOD-START>                             JAN-01-1997
<PERIOD-END>                               JUN-30-1997
<CASH>                                          57,656
<INT-BEARING-DEPOSITS>                               0
<FED-FUNDS-SOLD>                                45,500
<TRADING-ASSETS>                                     0
<INVESTMENTS-HELD-FOR-SALE>                    201,708
<INVESTMENTS-CARRYING>                           6,902
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                                0
                                          0
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<ALLOWANCE-DOMESTIC>                            10,283
<ALLOWANCE-FOREIGN>                                  0
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</TABLE>


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