ZENITH NATIONAL INSURANCE CORP
10-Q, 1996-08-14
FIRE, MARINE & CASUALTY INSURANCE
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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 OR 15(d) OF THE SECURITIES    
          EXCHANGE ACT OF 1934                                                  
               

           For the quarterly period ended June 30, 1996

[     ]   TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES
           EXCHANGE ACT OF 1934                                                 
           For the transition period from               to                 
                                          -------------    ----------------

Commission file number 1-9627                                                   
                                                            
ZENITH NATIONAL INSURANCE CORP.                                                 
     [Exact name of registrant as specified in its charter] 

DELAWARE                                                       95-2702776
     [State or other jurisdiction of                         I.R.S. Employer
     incorporation or organization]                        identification No.]


21255 Califa Street, Woodland Hills, California                 91367-5021
     [Address of principal executive offices]                  [Zip Code]

[818]  713-1000 
     [Registrant's telephone number, including area code]


Not Applicable
     [Former name, former address and former fiscal year, if changed
     since last report.]



Indicate by check mark whether the registrant [1] has filed all reports required
to be filed by Section 13 or 15[d] of the Securities Exchange Act of 1934 during
the preceding 12 months (or for such shorter period that the registrant was
required to file such reports), and [2] has been subject to such filing
requirements for the past 90 days.   Yes   X    No
                                          ----     ----

APPLICABLE ONLY TO CORPORATE ISSUERS:

Indicate the number of shares outstanding of each of the issuer's classes of
common stock, as of the latest practicable date.   At July 31, 1996, 17,535,000
shares of common stock were outstanding, net of 6,835,000 shares of treasury
stock.    

                                     PAGE 1
<PAGE>

                        PART I     FINANCIAL INFORMATION
                ZENITH NATIONAL INSURANCE CORP. AND SUBSIDIARIES
                     CONSOLIDATED BALANCE SHEET (UNAUDITED)
<TABLE>
<CAPTION>

ITEM 1:
Dollars and Shares in Thousands
ASSETS                                                                                       JUN. 30, 1996    DEC. 31, 1995
<S>                                                                                          <C>              <C>
Investments
  Fixed maturities:                                                                                                       
    At amortized cost (fair value $54,854 & $57,816)                                         $     56,076       $      56,674
    At fair value (cost $513,397 & $555,922)                                                      503,357             566,826
  Non redeemable preferred stocks, at fair value (cost $14,864 & $14,864)                          14,283              13,869
  Common stocks, at fair value (cost $14,366 & $18,937)                                            17,210              22,656
  Short-term investments (at cost, which approximates fair value)                                 153,880             137,083
  Other investments                                                                                38,873              38,106
                                                                                              -----------         -----------
       TOTAL INVESTMENTS                                                                          783,679             835,214
Cash                                                                                                8,091               6,919
Accrued investment income                                                                           9,259               8,810
Premiums receivable                                                                                82,833              70,155
Receivable from reinsurers and prepaid reinsurance premiums                                        66,545              64,781
Federal income tax                                                                                 22,821              14,609
Deferred policy acquisition costs                                                                  21,313              20,339
Properties and equipment, less accumulated depreciation                                            48,609              48,702
Excess of cost over net assets acquired and purchased intangibles and other assets                  7,777               7,983
Other assets                                                                                       50,025              37,921
                                                                                              -----------         -----------
        TOTAL ASSETS                                                                         $  1,100,952       $   1,115,433
                                                                                              -----------         -----------
                                                                                              -----------         -----------
LIABILITIES
Policy liabilities and accruals
  Unpaid losses and loss expenses                                                            $    504,149       $     517,552
  Unearned premiums                                                                               129,926             119,591
Policyholders' dividends accrued and accumulated                                                   10,125              12,100
Other policyholder funds                                                                           13,060              15,491
Reserves on loss portfolio transfers                                                                8,581               9,073
Senior notes payable, less unamortized issue costs of $707 & $768                                  74,293              74,232
Payable to banks                                                                                    7,382               8,903
Other liabilities                                                                                  28,817              28,059
                                                                                              -----------         -----------
        TOTAL LIABILITIES                                                                         776,333             785,001
                                                                                              -----------         -----------
STOCKHOLDERS' EQUITY
Preferred stock, $1 par - shares authorized 1,000; issued and outstanding,
   none in 1995 and 1994                                                                                                   
Common stock, $1 par - shares authorized 50,000; issued 24,365,                                                              
   outstanding 17,530, 1996; issued 24,310, outstanding 17,784, 1995                               24,365              24,310
Additional paid-in capital                                                                        257,135             256,083
Retained earnings                                                                                 169,986             155,634
Net unrealized appreciation (depreciation) on investments, net of deferred
   tax expense (benefit) of $(2,715) & $4,752                                                      (5,043)              8,825
                                                                                              -----------         -----------
                                                                                                  446,443             444,852
Less treasury stock at cost (6,835 shares 1996 & 6,526 shares 1995)                              (121,824)           (114,420)
                                                                                              -----------         -----------
        TOTAL STOCKHOLDERS' EQUITY                                                                324,619             330,432
                                                                                              -----------         -----------
        TOTAL LIABILITIES AND STOCKHOLDERS' EQUITY                                           $  1,100,952        $  1,115,433
                                                                                              -----------         -----------
                                                                                              -----------         -----------
The accompanying notes are an integral part of this statement.
</TABLE>


                                     PAGE 2

<PAGE>
                ZENITH NATIONAL INSURANCE CORP. AND SUBSIDIARIES
                CONSOLIDATED STATEMENT OF OPERATIONS (UNAUDITED)
<TABLE>
<CAPTION>



                                                                    THREE MONTHS ENDED               SIX MONTHS ENDED
                                                                         JUNE  30,                        JUNE 30,

Dollars in thousands, except per share data                         1996           1995            1996             1995
<S>                                                              <C>            <C>            <C>           <C>
CONSOLIDATED REVENUES:                                                     
Premium earned                                                   $  108,255      $ 106,439     $  220,492     $  213,498
Net investment income                                                12,836         11,949         24,890         23,240
Realized gains on investments                                         3,778          1,013          8,050          1,179
Real estate sales                                                     8,810         11,273         14,795         20,093
                                                                   --------       --------       --------        -------
   Total revenues                                                   133,679        130,674        268,227        258,010
EXPENSES: 
Property and casualty losses and loss expenses incurred              74,429         78,283        147,844        156,643
Policy acquisition costs                                             19,887         18,349         42,251         37,829
Other underwriting and operating expenses                            13,247          9,901         25,373         21,035
Policyholders' dividends                                                316            299            875          2,677
Real estate construction costs                                        8,233         10,711         13,983         18,764
Interest expense                                                      1,416          1,528          2,836          3,087
                                                                   --------       --------       --------        -------
   Total expenses                                                   117,528        119,071        233,162        240,035
Income from continuing operations before federal income tax          16,151         11,603         35,065         17,975
Federal income tax expense                                            5,451          4,092         11,965          6,106
                                                                   --------       --------       --------        -------
Income from continuing operations                                    10,700          7,511         23,100         11,869
DISCONTINUED OPERATIONS:                                                   
Income from discontinued operations                                                  2,689                         5,231
                                                                   --------       --------       --------        -------
NET INCOME                                                       $   10,700      $  10,200      $  23,100      $  17,100
                                                                   --------       --------       --------        -------
                                                                   --------       --------       --------        -------
          
EARNINGS PER SHARE:                                                        
Income from continuing operations                                $     0.60      $    0.40      $    1.30       $   0.63
Income from discontinued operations                                                   0.14                          0.28
                                                                   --------       --------       --------        -------
Net income per share                                             $     0.60      $    0.54      $    1.30       $   0.91
                                                                   --------       --------       --------        -------
                                                                   --------       --------       --------        -------

The accompanying notes are an integral part of this statement.

</TABLE>

                                     PAGE 3
<PAGE>

                ZENITH NATIONAL INSURANCE CORP. AND SUBSIDIARIES
                CONSOLIDATED STATEMENT OF CASH FLOWS (UNAUDITED)
<TABLE>
<CAPTION>

                                                                                                  SIX MONTHS
Dollars in thousands                                                                            ENDED JUNE 30,
                                                                                              1996           1995
<S>                                                                                        <C>             <C>
CASH FLOWS FROM OPERATING ACTIVITIES:                                                               
  Premiums collected                                                                        $227,111       $224,532
  Investment income received                                                                  23,219         21,590
  Proceeds from sales of real estate                                                          14,795         20,093
  Losses & loss adjustment expenses paid                                                    (162,866)      (164,899)
  Underwriting & other operating expenses paid                                               (64,610)       (61,685)
  Real estate construction costs paid                                                        (26,595)       (19,104)
  Reinsurance premiums paid                                                                  (11,644)       (11,618)
  Dividends paid to policyholders                                                             (1,387)        (6,281)
  Interest paid                                                                               (3,863)        (3,274)
  Income taxes paid                                                                          (12,563)        (2,158)
                                                                                             -------        -------
    Net cash flows from continuing operating activities, excluding cash from                                         
      trading portfolio                                                                      (18,403)        (2,804)
  Net cash from sales (purchases) of trading portfolio investments                             7,050          1,414
                                                                                             -------        -------
    Net cash flows from operating activities, including cash from trading portfolio          (11,353)        (1,390)
  Net cash flows from discontinued operating activities                                                       8,262
                                                                                             -------        -------
    Net cash flows from operating activities                                                 (11,353)         6,872
CASH FLOWS FROM INVESTING ACTIVITIES:                                                               
  Purchases of investments:
    Debt securities Held-to-Maturity                                                          (5,342)      (121,330)
    Debt and equity securities Available-for-Sale                                           (240,091)       (71,100)
    Other investments                                                                         (1,659)       (11,735)
  Proceeds from maturities and exchanges of investments:
    Debt securities Held-to-Maturity                                                           5,781             14
    Debt and equity securities Available-for-Sale                                              8,932         13,114
    Other investments                                                                                         2,178
  Proceeds from sales of investments:
    Debt and equity securities Available-for-Sale                                            277,132        156,622
    Other investments                                                                          2,491          4,371
  Capital and other expenditures                                                              (3,166)        (3,175)
  Net change in short-term investments                                                       (14,766)        41,185
  Net cash used in investing activities of discontinued operations                                          (14,994)
                                                                                             -------        -------
    Net cash flows from investing activities                                                  29,312         (4,850)
CASH FLOWS FROM FINANCING ACTIVITIES:                                                               
  Cash advanced from bank line of credit                                                                     13,500
  Cash repaid on bank line of credit                                                                         (6,500)
  Cash advanced from bank construction loans                                                  14,751         14,840
  Cash repaid on bank construction loans                                                     (16,272)       (13,894)
  Cash dividends paid to common stockholders                                                  (8,824)        (9,406)
  Proceeds from exercise of stock options                                                        962          1,166
  Purchase of treasury shares                                                                 (7,404)        (6,755)
  Net cash provided by financing activates of discontinued operations                                         6,344
                                                                                             -------        -------
    Net cash flows from financing activities                                                 (16,787)          (705)
                                                                                             -------        -------
  Net increase in cash                                                                         1,172          1,317
  Cash at beginning of period                                                                  6,919          5,358
                                                                                             -------        -------
  Cash at June 30,                                                                         $   8,091       $  6,675
                                                                                             -------        -------
                                                                                             -------        -------
      (continued)                                                      
</TABLE>

                                     PAGE 4
<PAGE>
                ZENITH NATIONAL INSURANCE CORP. AND SUBSIDIARIES
                CONSOLIDATED STATEMENT OF CASH FLOWS (UNAUDITED)
                                   (continued)
<TABLE>
<CAPTION>

                                                                           SIX  MONTHS 
                                                                          ENDED JUNE 30,
                                                                        1996         1995
                                                                       (Dollars in Thousands)
<S>                                                                   <C>          <C>

RECONCILIATION OF INCOME FROM CONTINUING OPERATIONS TO
   NET CASH FLOWS FROM OPERATING ACTIVITIES:

Income From Continuing Operations                                     $ 23,100      $11,869
                                                                                
  Adjustments to reconcile income from continuing operations to                 
    net cash flows from operating activities:                                   
  Depreciation and amortization                                          1,730        1,724
  Realized gains on investments                                         (8,050)      (1,179)
  Net cash from trading portfolio                                        7,050        1,414
  Decrease (increase) in:                                                       
    Accrued investment income                                             (449)        (913)
    Premiums receivable                                                (12,678)     (10,112)
    Receivable from reinsurers                                          (1,764)      (5,271)
    Deferred policy acquisition costs                                     (974)      (1,924)
    Federal income taxes                                                  (599)       3,948
    Real estate construction in progress                               (12,064)         450
  Increase (decrease) in:                                                                      
    Unpaid losses and loss expenses                                    (13,403)      (3,048)
    Unearned premiums                                                   10,335        9,274
    Policyholders' dividends accrued                                    (1,975)      (4,012)
    Other policyholder funds                                            (2,431)      (1,418)
    Other                                                                  819       (2,192)
  Net cash from discontinued operating activities                                     8,262
                                                                      --------      -------
      Net cash flows from operating activities                        $(11,353)     $ 6,872
                                                                      --------      -------
                                                                      --------      -------
</TABLE>
       The accompanying notes are an integral part of this statement. 

                                     PAGE 5
<PAGE>


                ZENITH NATIONAL INSURANCE CORP. AND SUBSIDIARIES
             NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (UNAUDITED)

Note 1.  Computation of earnings per share:         
Dollars and shares in thousands, except   
 per share data                           

<TABLE>
<CAPTION>

                                                            THREE MONTHS ENDED                    SIX MONTHS ENDED    
                                                                 JUNE 30,                              JUNE 30,       
                                                          1996               1995              1996               1995
<S>                                                     <C>                <C>               <C>                <C>
(A)   Net income                                        $10,700            $10,200           $23,100             $17,100
                                                        -------            -------           -------             -------
                                                        -------            -------           -------             -------
(B)  Number of shares used in calculating 
       primary earnings per share:        
     Weighted average outstanding shares 
       during the period                                 17,524             18,681            17,615              18,783
     Additional common shares issuable under 
       employee stock options using the                                                     
       treasury stock method (1)                            250                 85               166                  93
                                                        -------             ------           -------             -------
                                                         17,774             18,766            17,781              18,876
                                                        -------             ------           -------             -------
                                                        -------             ------           -------             -------
Net income per share (A)/(B)                            $  0.60             $ 0.54           $  1.30             $  0.91
                                                        -------             ------           -------             -------
                                                        -------             ------           -------             -------
(C)   Number of fully diluted shares:
                                                                                                                        
      Weighted average outstanding shares 
        during the period                                17,524             18,681            17,615              18,783
      Additional common shares issuable under 
        employee stock options using the                                                
        treasury stock method (2)                           344                 93               224                  97
                                                        -------             ------           -------             -------
                                                         17,868             18,774            17,839              18,880
                                                        -------             ------           -------             -------
                                                        -------             ------           -------             -------
Net income per share (A)/(C)                            $  0.60             $ 0.54           $  1.29             $  0.91
                                                        -------             ------           -------             -------
                                                        -------             ------           -------             -------
</TABLE>
     
(1)  Based on the average market price during the period. 
          
(2)  Based on the higher of the average market price or price at the end of each
     period.  
          
Note 2.  New Accounting Standard        
          
In October 1995, the Financial Accounting Standards Board issued Statement of
Financial Accounting Standards No. 123, "Accounting for Stock-Based
Compensation" ("SFAS No. 123").  The provisions of SFAS No. 123 must be         
applied to fiscal years beginning after December 15, 1995.  SFAS No. 123
encourages a fair value-based method of accounting for an employee stock option
or similar equity instrument, but allows continued use of the intrinsic value-
method of accounting prescribed by Accounting Principles Board No. 25
"Accounting for Stock Issued to Employees" ("APB No. 25").  Companies electing
to continue to use APB No. 25 must make pro forma disclosures of net income and
earnings per share as if the fair value-based method of accounting were applied.
The company has elected to follow the provision of APB No. 25 and, accordingly,
will make the pro forma disclosures required by SFAS No. 123 in its financial
statements for the year ending December 31, 1996.                

Note 3.  Proposed Acquisition      
          
On May 6, 1996, Zenith announced that its wholly-owned subsidiary, Zenith
Insurance Company ("ZIC"), entered into a Letter of Intent to acquire Associated
General Contractors Self-Insurers' Fund ("AGC-SIF"), a Florida workers'         
compensation self-insurers' fund.  Under the terms of the Letter of Intent, ZIC
will acquire AGC-SIF's assets and  assume its liabilities, including the
liabilities of the insured members of AGC-SIF for future assessments.  After the
closing date balances are verified, ZIC will distribute to the members of AGC-
SIF an amount equal to the net book value of the fund.  AGC-SIF had 1995 premium
written of approximately $40 million.        

The acquisition is subject to a number of conditions, including a due diligence
investigation, the negotiation and execution of definitive documentation, the
approval by the members of AGC-SIF and ZIC's Board of Directors, and regulatory
approvals, including approvals under the Hart-Scott-Rodino Antitrust
Improvements Act. 

                                     PAGE 6
<PAGE>


                ZENITH NATIONAL INSURANCE CORP. AND SUBSIDIARIES 
                          PART I  FINANCIAL INFORMATION

In the opinion of management, all adjustments necessary for a fair presentation
of the results of operations for the periods presented (consisting only of
normal recurring adjustments) have been included.  The results of operations for
an interim period are not necessarily indicative of the results for an entire
year.

On May 22, 1996, the Board of Directors declared a regular quarterly cash
dividend of $.25 per share on the outstanding shares, payable August 15, 1996 to
stockholders of record at the close of business on July 31, 1996.

ITEM 2:
              MANAGEMENT'S DISCUSSION AND ANALYSIS OF CONSOLIDATED
                  FINANCIAL CONDITION AND RESULTS OF OPERATIONS

Zenith's principal source of consolidated earnings is the income, including
investment income, from operations of its property and casualty insurance
business. The comparative results of operations are set forth in the table
below, followed by a discussion of the significant changes.
<TABLE>
<CAPTION>
- -----------------------------------------------------------------------------------------------------------------
                                                           THREE MONTHS ENDED             SIX MONTHS ENDED
                                                                 JUNE 30,                      JUNE 30
DOLLARS IN THOUSANDS                                        1996           1995          1996           1995
- -----------------------------------------------------------------------------------------------------------------
<S>                                                      <C>             <C>            <C>           <C>
Investment income, after tax                               $8,536         $7,985        $16,552        $15,529
Realized gains on investments, after tax                    2,456            658          5,233            766
- ----------------------------------------------------------------------------------------------------------------
Sub-total                                                  10,992          8,643         21,785         16,295
- -----------------------------------------------------------------------------------------------------------------

Property and Casualty, after tax:
  Underwriting income (loss)                                  688           (169)         3,464          1,425
  Catastrophe losses                                                                                    (3,835)
- -----------------------------------------------------------------------------------------------------------------
Property and casualty underwriting income (loss)              688           (169)         3,464         (2,410)
- -----------------------------------------------------------------------------------------------------------------

Income from real estate operations, after tax                 375            364            538            863
Interest expense, after tax                                  (920)          (993)        (1,843)        (2,006)
Parent expenses, after tax                                   (435)          (334)          (844)          (873)
Income from discontinued operations                                        2,689                         5,231
- -----------------------------------------------------------------------------------------------------------------
Total                                                     $10,700        $10,200        $23,100        $17,100
- -----------------------------------------------------------------------------------------------------------------
</TABLE>



In December 1995, Zenith sold its wholly-owned life insurance subsidiary,
retaining the health insurance business previously written by such subsidiary. 
In 1995, the results of life and annuity operations have been included as
discontinued operations and the results of health insurance operations have been
reclassified and included in Other Property and Casualty operations.


                                     PAGE 7
<PAGE>
                ZENITH NATIONAL INSURANCE CORP. AND SUBSIDIARIES
                          PART I FINANCIAL INFORMATION


MANAGEMENT'S DISCUSSION AND ANALYSIS OF CONSOLIDATED FINANCIAL
 CONDITION AND RESULTS OF OPERATIONS (CONTINUED)


PROPERTY AND CASUALTY OPERATIONS:

Premiums earned, underwriting results and combined ratios for the three and six
months ended June 30, 1996 and 1995 were as follows:

<TABLE>
<CAPTION>
- -----------------------------------------------------------------------------------------------------------------
                                             THREE MONTHS ENDED JUNE 30,         SIX MONTHS ENDED JUNE 30,
DOLLARS IN THOUSANDS                         1996         1995     Change      1996       1995       Change
- -----------------------------------------------------------------------------------------------------------------
<S>                                       <C>            <C>       <C>       <C>       <C>          <C>
Premiums Earned
   Workers' Compensation
     California                            $35,722        $38,131   (6%)      $73,686   $79,946       (8%)
     Outside California                     13,651          9,797   39%        27,213    18,683       46%
                                         ------------------------           --------------------
   Total Workers' Compensation              49,373         47,928    3%       100,899    98,629        2%
   Other Property & Casualty                49,820         47,631    5%        99,989    95,050        5%
   Reinsurance                               9,062         10,880  (17%)       19,604    19,819       (1%)
                                         ------------------------           ---------------------
Total                                     $108,255       $106,439    2%      $220,492  $213,498        3%

Underwriting Income (Loss) Before Taxes
   Workers' Compensation                   ($4,322)       ($4,039)            ($5,632)  ($5,333)
   Other Property & Casualty                 2,493            320               4,702    (5,606)
   Reinsurance                               2,875          3,840               6,378     7,595
                                          ------------------------           --------------------
Total                                       $1,046           $121              $5,448   ($3,344)

Combined Loss and Loss Expense Ratios
   Workers' Compensation                          
   Losses                                    53.8%          50.2%               50.0%     45.7%
   Loss Expenses                             20.5%          28.8%               21.6%     29.4%
   Underwriting Expenses                     33.8%          28.8%               33.1%     27.6%
   Policyholder Dividends                     0.7%           0.6%                0.9%      2.7%
                                          --------        ------              -------   --------
   Combined Ratio                           108.8%         108.4%              105.6%    105.4%

Other Property & Casualty
   Losses & Loss Expenses                    65.3%          72.2%               65.4%     76.9%
   Underwriting Expenses                     29.7%          27.1%               29.9%     29.0%
                                          --------        ------              -------   --------
   Combined Ratio                            95.0%          99.3%               95.3%    105.9%

Reinsurance
   Losses & Loss Expenses                    57.3%          55.5%               52.2%     48.0%
   Underwriting Expenses                     11.0%           9.2%               15.3%     13.7%
                                          --------        ------              ------    -------
     Combined Ratio                          68.3%          64.7%               67.5%     61.7%

Total Property & Casualty
   Losses & Loss Expenses                    68.8%          73.5%               67.1%     73.4%
   Underwriting Expenses                     29.9%          26.1%               30.0%     26.9%
   Policyholder Dividends                     0.3%           0.3%                0.4%      1.3%
                                          --------        ------              -------   --------
     Combined Ratio                          99.0%          99.9%               97.5%    101.6%
- -----------------------------------------------------------------------------------------------------------------

</TABLE>

                                     PAGE 8
<PAGE>
                ZENITH NATIONAL INSURANCE CORP. AND SUBSIDIARIES
                          PART I FINANCIAL INFORMATION


MANAGEMENT'S DISCUSSION AND ANALYSIS OF CONSOLIDATED FINANCIAL
 CONDITION AND RESULTS OF OPERATIONS (CONTINUED)


Underwriting results improved in the six months ended June 30, 1996 compared to
the corresponding period in 1995 principally because of the absence of
catastrophe losses in 1996 (catastrophe losses were $5.7 million in the first
quarter of 1995).  In addition, the underwriting result of the Other Property
and Casualty Operation improved in the second quarter of 1996 compared to the
corresponding period in 1995 because of an overall lower frequency of losses in
1996.

Competition in the workers' compensation insurance business continues to be
intense, particularly in California.  However, the claims loss ratio in Zenith's
Workers' Compensation operation continued to be favorable relative to both
Zenith's long-term historical experience and the actuarial assumptions used in
its premium rates.  Expenses in Zenith's Workers' Compensation claims adjustment
process decreased in the quarter and six months ended June 30, 1996 compared to
the corresponding periods in 1995 due to progress made in bringing recurring
operating costs into line with reduced premium income.  These reductions were
partially offset by increased underwriting expenses in the quarter and six
months ended June 30, 1996 compared to the corresponding periods in 1995.  Such
increases were attributable to the re-evaluation of the allocation of corporate
and administrative costs relative to re-focusing Zenith's business in property
and casualty insurance operations, including investing activities, following the
sale of Zenith's life insurance subsidiary.

During the first six months of 1996, Zenith continued its expansion outside of
California with the opening of an office in Harrisburg, Pennsylvania to
commence operations in the North East United States. In addition, Zenith 
announced the proposed acquisition of AGC-SIF in Florida (see Note 3 to the 
Consolidated Financial Statements).

INVESTMENTS:

Fluctuations in interest rates continue to impact stockholders' equity due to
changes in the market value of fixed maturity securities.  At June 30, 1996, the
unrealized loss on fixed maturities identified as Available-for-Sale was $9.9
million, before deferred taxes, compared to a gain of $11.0 million, before
deferred taxes, at December 31, 1995.  This change resulted in a decrease in
stockholders' equity of $13.5 million, after deferred taxes, between
December 31, 1995 and June 30, 1996.  Stockholders' equity will continue to be
affected by future volatility, if any, in the fixed maturity securities markets.



                                     PAGE 9
<PAGE>
                ZENITH NATIONAL INSURANCE CORP. AND SUBSIDIARIES
                          PART I FINANCIAL INFORMATION


MANAGEMENT'S DISCUSSION AND ANALYSIS OF CONSOLIDATED FINANCIAL
 CONDITION AND RESULTS OF OPERATIONS (CONTINUED)

Investment income increased in the three and six months ended June 30, 1996
compared to the corresponding periods in 1995 principally due to an increase in
invested assets of the Parent.

The yields on invested assets, which vary with the general level of interest
rates, were as follows:

- --------------------------------------------------------------------------------
                                          THREE MONTHS         SIX MONTHS
INVESTMENT YIELDS                        ENDED JUNE 30,      ENDED JUNE 30,
                                         1996     1995      1996         1995
- --------------------------------------------------------------------------------
Pre-tax                                  6.2%      6.7%      6.0%        6.2%
Post-tax                                 4.1%      4.3%      4.0%        4.2%
- --------------------------------------------------------------------------------

Bonds with investment grade ratings represented approximately 96% of the
consolidated carrying values of investments in bonds at both June 30, 1996 and
December 31, 1995.  At June 30, 1996, the average maturity of the investment
portfolio was 5.2 years, compared to 3.9 years at December 31, 1995.

The change in the carrying value of Zenith's consolidated investment portfolio
during 1996 was as follows:

<TABLE>
<CAPTION>


DOLLARS IN THOUSANDS
- ------------------------------------------------------------------------------------------------------------------
<S>                                                                           <C>                    <C>
Carrying Value at December 31, 1995                                                                    $835,214
Purchases at cost                                                                                       247,092
Maturities and exchanges of investments                                                                 (21,763)
Proceeds from sales of investments:
  Available-for-sale                                                              (277,132)
  Other investments                                                                 (2,491)
                                                                                  ---------             
    Total proceeds from disposals of investments                                                       (279,623)
Realized gains from maturities and exchanges of investments:
  Available-for-sale                                                                    28
Realized gains (losses) from sales of investments:
  Available-for-sale                                                                 6,567
  Trading portfolio                                                                    (71)
  Other investments                                                                  1,526
                                                                                ----------
    Total realized gains on investments                                                                   8,050
 Unrealized losses on investments                                                                       (21,335)
 Increase in short-term investments                                                                      14,766
 Net accretion of fixed maturities and other changes                                                      1,278
- --------------------------------------------------------------------------------------------------------------------
Carrying Value at June 30, 1996                                                                        $783,679
- --------------------------------------------------------------------------------------------------------------------
</TABLE>


                                     PAGE 10

<PAGE>
                ZENITH NATIONAL INSURANCE CORP. AND SUBSIDIARIES
                          PART I FINANCIAL INFORMATION


MANAGEMENT'S DISCUSSION AND ANALYSIS OF CONSOLIDATED FINANCIAL
 CONDITION AND RESULTS OF OPERATIONS (CONTINUED)

LIQUIDITY:

Zenith is principally dependent upon its portfolio of marketable securities and
the investment yields thereon; dividends from its insurance subsidiaries, whose
operations are supported by their own cash flows, and available lines of credit
($50,000,000 at June 30, 1996) to pay its expenses, service debt and pay any
cash dividends which may be declared to its stockholders.  

After adjusting for the effects of the cash flows from the trading portfolio in
both periods, net cash flow from continuing operations declined in the six
months ended June 30, 1996 compared to the corresponding period in 1995.  The
net outflow was primarily due to negative cash flow in Perma-Bilt, Zenith's real
estate construction subsidiary, attributable, principally, to land acquisitions
in the first six months of 1996.



                                     PAGE 11
<PAGE>

                ZENITH NATIONAL INSURANCE CORP. AND SUBSIDIARIES      
                           PART II  OTHER INFORMATION       
          
          
ITEM 4:  SUBMISSION OF MATTERS TO A VOTE OF SECURITY HOLDERS          
          
The Annual Stockholders' Meeting of Zenith was held on May 22, 1996.  Two
matters were presented to a vote of the Stockholders.          
          
One matter was the election of Directors.  The tabulation of votes for the
nominees, all of whom were elected, is as follows:       
          
DIRECTOR                               VOTES FOR               VOTES WITHHELD
- --------                              -----------              --------------
George E. Bello                        13,250,954                 569,491
Max M. Kampelman                       13,250,084                 570,361
Jack M. Ostrow                         13,250,084                 570,361
William Steele Sessions                13,251,954                 568,491
Harvey L. Silbert                      13,153,594                 666,851
Robert M. Steinberg                    13,034,265                 786,180
Saul P. Steinberg                      13,051,643                 768,802
Gerald Tsai, Jr.                       13,248,653                 571,792
Stanley R. Zax                         13,251,195                 569,250

With respect to the election of Directors, there were no votes cast against any
Director, no abstentions and no broker non-votes.

The second matter was a vote to approve the 1996 Employee Stock Option Plan, a
non-qualified stock option plan for officers and employees of Zenith and its
subsidiaries. The matter was approved by the Stockholders.  The tabulation of
votes is as follows:

   FOR           AGAINST       ABSTAIN       BROKER NON-VOTES
   ---          ---------      -------       ----------------
9,828,098       1,576,209      502,078          1,914,060


ITEM 6:  EXHIBITS AND REPORTS ON FORM 8-K                         
                                                                  
[a]  Exhibits  
               
[3.1]          Certificate of Incorporation of Zenith as in effect immediately
               prior to November 22, 1985.  (Filed as Exhibit 3 to Zenith's
               Amendment on Form 8, dated October 10, 1985, to Zenith's Current
               Report on Form 8-K, dated July 26, 1985 and incorporated herein
               by reference).   Certificate of Amendment to Certificate of
               Incorporation of Zenith, effective November 22, 1985.  (Filed as
               Zenith's Current Report on Form 8-K, dated November 22, 1985 and
               incorporated herein by reference).

[3.2]          By-Laws of Zenith, as currently in effect.  (Filed as Exhibit 3.2
               to Zenith's Annual Report on Form 10-K for the year ended
               December 31, 1988 and incorporated herein by  reference).

[10.1]         Revolving Note Agreement, dated July 1, 1996, between Zenith and
               City National Bank 

[10.2]         Second Amendment, dated June 28, 1996, to the Revolving Note
               Agreement, dated December 15, 1994 between Zenith and Sanwa Bank
               California 
               
[10.3]         Stock Option Agreement, dated as of March 15, 1996, between
               Zenith and Stanley R. Zax
               
[10.4]         Amendment No. 2 to the Zenith National Insurance Corp. Amended
               and Restated Non-Qualified Stock Option Plan, dated as of April
               9, 1996
               
[10.5]         Zenith National Insurance Corp. 1996 Employee Stock Option Plan, 
               approved by the stockholders on May 22, 1996
               
[11]           Statement re: computation of per share earnings Part I, Item 1,
               Note 1 of the consolidated financial statements is incorporated
               herein by reference  

[27]           Financial Data Schedule
               
[b]            Reports on Form 8-K

               None

                                     PAGE 12
<PAGE>
                ZENITH NATIONAL INSURANCE CORP. AND SUBSIDIARIES

                                   SIGNATURES


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

                                                 ZENITH NATIONAL INSURANCE CORP.
                                                                      Registrant




Date: August 14, 1996                       /s/    Stanley R. Zax
                                        ----------------------------------------
                                        Stanley R. Zax, Chairman of the Board
                                        & President (Principal Executive     
                                        Officer)


Date: August 14, 1996                       /s/     Fredricka Taubitz
                                        ----------------------------------------
                                        Fredricka Taubitz, Executive Vice 
                                        President & Chief Financial Officer
                                        (Principal Accounting Officer)
                                        


                                     PAGE 13
<PAGE>
                                        
                ZENITH NATIONAL INSURANCE CORP. AND SUBSIDIARIES
                                 EXHIBIT INDEX 


<TABLE>
<CAPTION>

Exhibit No.    Description                                                               Page
- -----------    -----------                                                               ----
<S>            <C>                                                                       <C>
[3.1]          Certificate of Incorporation of Zenith as in effect immediately
               prior to November 22, 1985. (Filed as Exhibit 3 to Zenith's
               Amendment on Form 8, dated October 10, 1985, to Zenith's Current
               Report on Form 8-K, dated July 26, 1985 and incorporated herein
               by reference).           
               Certificate of Amendment to Certificate of Incorporation of
               Zenith, effective November 22, 1985.  (Filed as Zenith's Current
               Report on Form 8-K, dated November 22, 1985 and incorporated
               herein by reference).    

[3.2]          By-Laws of Zenith, as currently in effect.  (Filed as Exhibit 3.2
               to Zenith's Annual Report on Form 10-K for the year ended
               December 31, 1988 and incorporated herein by reference).

[10.1]         Revolving Note Agreement, dated July 1, 1996, between Zenith and
               City National Bank

[10.2]         Second Amendment, dated June 28, 1996, to the Revolving Note
               Agreement, dated December 15, 1994 between Zenith and Sanwa
               Bank California

[10.3]         Stock Option Agreement, dated as of March 15, 1996, between 
               Zenith and Stanley R. Zax

[10.4]         Amendment No. 2 to the Zenith National Insurance Corp. Amended
               and Restated Non-Qualified Stock Option Plan, dated as of April
               9, 1996                  

[10.5]         Zenith National Insurance Corp. 1996 Employee Stock Option Plan,
               approved by the stockholders on May 22, 1996
               
[11]           Statement re: computation of per share earnings incorporated                6
               herein by reference to Part I, Item 1, Note 1 of the consolidated
               financial statements

[27]           Financial Data Schedule  

</TABLE>

                                     PAGE 14 

<PAGE>

                                    REVOLVING NOTE

$20,000,000.00                                         Beverly Hills, California
                                                                    July 1, 1996


    On July 1, 1997 ("Termination Date"), ZENITH NATIONAL INSURANCE CORP., a
Delaware corporation ("Borrower"), promises to pay to the order of CITY NATIONAL
BANK, a national banking association ("CNB"), at its office in this city, in
United States Dollars and in immediately available funds, the principal sum of
TWENTY MILLION DOLLARS ($20,000,000.00) ("Revolving Credit Commitment") or so
much thereof as may be advanced and then outstanding, plus interest on the
unpaid balance, until fully repaid, at a rate computed on the basis of a 360-day
year, actual days elapsed, at the rates, times and in accordance with the terms
set forth in the INTEREST RATE PROVISIONS attached hereto and by this reference
made a part hereof as though fully set forth herein at length.

    Anything herein to the contrary notwithstanding, all principal and
interest remaining unpaid on the Termination Date, shall be immediately due and
payable.

    As provided herein, all or any portion of the principal balance of this
Note may be borrowed, repaid and reborrowed from time to time prior to the
Termination Date, provided at the time of any borrowing no Event of Default (as
hereinafter defined) exists, and provided further that the total borrowings
outstanding at any one time shall not exceed the Revolving Credit Commitment.
Each borrowing and repayment shall be noted in the books and records of CNB.
The excess of borrowing over repayments shall evidence the principal balance due
hereon from time to time and at any time.  Borrowing hereunder shall be
conclusively presumed to have been made to or for the benefit of Borrower when
noted in such books and records.

    Interest accruing on this Note shall be payable quarterly, in arrears,
on the first (1st) day of each January, April, July, and October.

    Borrower shall pay CNB a commitment fee equal to $25,000.00, payable in
four (4) equal consecutive quarterly installments of $6,250.00 each, payable on
the first (1st) day of each January, April, July and October, with the first
payment due October 1st.

    Borrower shall pay CNB an unused facility fee equal to one-eighth of one
percent per annum (0.125%) applied on a daily basis to the unused portion of the
Revolving Credit Commitment, payable quarterly, in arrears, on the first (1st)
day of each January, April, July and October, with the first payment due October
1st.

    The occurrence of any of the following with respect to Borrower shall
constitute an "Event of Default" hereunder:

1.     Failure to make any payment of principal or interest when due under this
       Note, when such failure continues for ten (10) days after notice from
       CNB that Borrower is in default hereunder if payment is not made;


                                          1

<PAGE>


2.     Filing of a petition by or against Borrower under any provisions of the
       BANKRUPTCY CODE;

3.     Appointment of a receiver or an assignee for the benefit of Borrower's
       creditors;

4.     Commencement of dissolution or liquidation proceedings or the
       disqualification of Borrower, whether a corporation, partnership, joint
       venture or any other type of entity;

5.     Any financial statement provided by Borrower to CNB is materially false
       or misleading;

6.     Any material default in the payment or performance of any material
       obligation, or any material default under any material provisions of any
       material contract or instrument pursuant to which Borrower has incurred
       any material obligation for borrowed money, any material purchase
       obligation or any other material liability of any kind to any person or
       entity, including CNB;

7.     Any sale or transfer of all or a substantial or material part of the
       assets of Borrower, other than in the ordinary course of business; or

8.     Any material violation, breach or default under this Note, any letter
       agreement or any other contract or instrument executed in connection
       with this Note or securing this Note.

  Upon the occurrence of any Event of Default, CNB, at its option, may
declare all sums of principal and interest outstanding hereunder to be
immediately due and payable without presentment, demand, protest or notice of
dishonor all of which are expressly waived by Borrower.  Borrower agrees to pay
all costs and expenses, including reasonable attorneys' fees, expended or
incurred by CNB (or allocable to CNB's in-house counsel) in connection with the
enforcement of this Note or the collection of any sums due hereunder and
irrespective of whether suit is filed.  Any principal or interest not paid when
due hereunder shall thereafter bear additional interest from its due date at the
Overdue Rate set forth in the Interest Rate Provisions and continuing thereafter
until paid or cured, if curing is permitted.

  This Note and all matters relating thereto, shall be governed by the
laws of the State of California.


                              ZENITH NATIONAL INSURANCE CORP., a
                              Delaware corporation

                              By:  /s/ Stanley R. Zax
                                   ----------------------------------------
                                   Stanley R. Zax, President and
                                   Chairman of the Board


                                          2

<PAGE>


                               INTEREST RATE PROVISION

  The terms and provisions herein set forth shall control and determine the
rate, calculation and payment of interest under that $20,000,000.00 Revolving
Note ("Note"), dated July 1, 1996, executed by ZENITH NATIONAL INSURANCE CORP.,
a Delaware corporation ("Borrower"), in favor of CITY NATIONAL BANK, a national
banking association ("CNB").

1.     DEFINITIONS.  Except as otherwise defined herein or in the Note, the
following definitions apply:

  1.1  "BUSINESS DAY" shall mean a day that CNB's Head Office is open and
conducts a substantial portion of its business.

  1.2  "EUROCURRENCY RESERVE REQUIREMENT" shall mean for a LIBOR Loan for the
Interest Period therefor, the aggregate (without duplication) of the rates
(expressed as a decimal) of reserves (including, without limitation, any basic,
marginal, supplemental, or emergency reserves) that are required to be
maintained by banks during the Interest Period under any regulations of the
Board of Governors of the Federal Reserve System, or any other governmental
authority having jurisdiction with respect thereto, applicable to funding based
on so-called "Eurocurrency Liabilities", including Regulation D (12 CFR 224).

  1.3  "INTEREST PERIOD" shall mean, as to any LIBOR Loan, (a) the period
commencing on the date the LIBOR Loan is made (including the date a Prime Loan
is converted to a LIBOR Loan, or a LIBOR Loan is renewed as a LIBOR Loan, which,
in the latter case, shall be the last day of the expiring Interest Period) and
ending one (1), two (2), three (3) or six (6) months thereafter, as selected by
the Borrower in its irrevocable Notice of Borrowing/Interest Selection;
provided, however, (y) any Interest Period that would end on a day not a
Business Day, shall extend to the next Business Day; and (z) no Interest Period
may extend beyond the Termination Date.

  1.4  "LIBOR BASE RATE" shall mean the British Banker's Association
definition of the London InterBank Offered Rates as made available by Telerate
Monitor on Telerate Screen 3750, or such other information service available to
CNB, for the applicable Interest Period for the LIBOR Loan selected by Borrower
in its irrevocable Notice of Borrowing/Interest Selection, and as quoted by CNB
on the Business Day Borrower requests a LIBOR Loan.

  1.5  "LIBOR INTEREST RATE" shall mean, for each Libor Loan, the rate per
year (rounded upward to the nearest one-sixteenth (1/16th) of one percent
(0.0625%), if necessary) determined by CNB to be the quotient of (a) the LIBOR
Base Rate divided by (b) one minus the Eurocurrency Reserve Requirement for the
Interest Period; which is expressed by the following formula:

                                   LIBOR BASE RATE
                         1 - Eurocurrency Reserve Requirement

  1.6  "LIBOR LOAN" shall mean a Loan which bears interest in relation to the
LIBOR Interest Rate.


                                          1

<PAGE>


  1.7  "LOAN(S)" shall mean the principal balance outstanding on the Note,
and any LIBOR Loan and/or any Prime Loan made thereunder, as the case may be.

  1.8  "NOTICE OF BORROWING/INTEREST SELECTION" or "NOTICE" shall mean that
Notice of Borrowing/Interest Selection attached hereto as Exhibit "A".

  1.9  "PRIME LOAN" shall mean a Loan which bears interest in relation to the
Prime Rate.

  1.10 "PRIME RATE" shall mean the rate most recently announced by CNB at its
principal office in Beverly Hills, California, as its "Prime Rate."  Any change
in the Prime Rate will be effective on the date such change is announced.

2.     RATE OF INTEREST.  Subject to Section 2.1, below, each Loan shall bear
interest on the unpaid principal amount therefrom the date of disbursement
through maturity (whether by acceleration or otherwise), at a rate equal to, at
the Borrower's option as indicated on Borrower's Notice of Borrowing/Interest
Selection, either (a) for a LIBOR Loan, the sum of the LIBOR Interest Rate plus
THREE-QUARTERS OF ONE percent (0.75%) per year, or (b) for a Prime Loan, the sum
of the Prime Rate, as it shall exist from time to time, minus FIFTY-FIVE
HUNDREDTHS OF ONE percent (0.55%) per year, in all cases computed on the basis
of a 360 day year, actual days elapsed.  A Loan shall be a Prime Loan any time
it is not a LIBOR Loan.

  2.1  OVERDUE INTEREST.  Notwithstanding anything to the contrary contained
in the Note, upon the occurrence of an Event of Default, and the acceleration of
all sums of principal or interest to be due and payable, (and without
constituting a waiver of the Event of Default), the interest rate on the unpaid
principal balance shall be increased to a rate ("Overdue Rate") equal to two
percent (2.0%) per year higher than the interest rate as determined in paragraph
2, above, provided, however, for the purposes of this paragraph, a LIBOR Loan
shall be treated as a Prime Loan upon the end of an Interest Period.  Interest
at the Overdue Rate shall be calculated on a 360 day basis, actual days elapsed,
on the outstanding principal balance and interest at said Overdue Rate shall be
due and owing, and shall accrue and be payable from the date that all sums of
principal or interest are due and payable due to the occurrence of the Event of
Default, to and including the date which is the earlier of the date of payment
in full of the amount owing under the Note, or the date of Borrower's cure of
such event (but only if such cure is permitted).

3.     PAYMENT OF INTEREST.  Interest on the Loans shall accrue daily and be
payable (a) quarterly, in arrears, on the first (1st) day of each January,
April, July, and October, with the first payment due October 1st; and (b) on the
maturity of the Note (whether accelerated or otherwise).

4.     NOTICE OF BORROWING AND INTEREST SELECTION.  Borrower may, on the date of
the Note, or from time to time thereafter, request that a Loan be a LIBOR 
Loan (including conversion of a Prime Loan to a LIBOR Loan, or continuation 
of a LIBOR Loan as a LIBOR Loan upon the expiration of the Interest Period) 
or a Prime Loan by delivering to CNB, with respect to a LIBOR Loan, no 
earlier than two (2) Business Days before the LIBOR Loan is to be made, and 
with respect to a LIBOR Loan or Prime Loan, no later than one o'clock (1:00) 
p.m., Pacific Time, on the day the Loan is to be made, its irrevocable 
written Notice of Borrowing/Interest Selection.  The Notice shall designate 
(a) the date of the Loan, (b) the principal amount of the Loan, (c) whether 
the Loan will be a LIBOR Loan or a Prime Loan, and (d) if a LIBOR Loan, the 
Interest Period.  The 

                                         2

<PAGE>

Notice shall be delivered to CNB at 400 N. ROXBURY DR., BEVERLY HILLS, CA, 
90210, ATTENTION: ERICH BOLLINGER, WESTSIDE COMMERCIAL BANKING CENTER, or by 
telephone facsimile to CNB at (310) 888-6146, or such other address or 
facsimile number as CNB advises Borrower in writing.  The Notice will not be 
effective until actually received by CNB as herein provided. If Borrower 
fails to select a LIBOR Loan in accordance herewith, any Loan made shall be a 
Prime Loan, and any outstanding LIBOR Loan shall be deemed a Prime Loan upon 
expiration of the Interest Period.

5.     AVAILABILITY OF LIBOR LOANS.  Notwithstanding anything herein to the
contrary, each LIBOR Loan shall be in the minimum amount of $500,000.00 and,
thereafter, in increments of $250,000.00.  Borrower may not have more than five
(5) LIBOR Loans outstanding at any one time under the Revolving Credit
Commitment.  Borrower may have Prime Loans and LIBOR Loans outstanding
simultaneously.

6.     PREPAYMENT OF PRINCIPAL.  Borrower may prepay the principal amount
outstanding on a Prime Loan at any time and in any amount without a prepayment
fee.  Borrower may prepay the full outstanding principal balance on a LIBOR Loan
prior to the end of the Interest Period ("LIBOR Prepayment"), provided, however,
that any LIBOR Prepayment is subject to Borrower's concurrent payment of a
prepayment fee ("LIBOR Prepayment Fee") in the amount determined by the LIBOR
Prepayment Fee Formula set forth below.  Borrower may not make a partial
principal prepayment on a LIBOR Loan.

  6.1  Borrower must deliver to CNB written notice of its intention to make a
LIBOR Prepayment at least two (2) Business Days prior to the intended payment
date specifying the amount and date of the LIBOR Prepayment.

  6.2  LIBOR Prepayment Fee Formula.  Each LIBOR Prepayment shall be
accompanied by a LIBOR Prepayment Fee equal to the amount, if any, by which (a)
the additional interest which would have been earned by CNB on the LIBOR Loan
had it not been paid until the last day of the Interest Period, exceeds (b) the
interest which would have been recoverable by CNB placing the amount of the
LIBOR Loan on deposit in the LIBOR market for a period starting on the date on
which it was prepaid and ending on the last day of the applicable Interest
Period.

7.     SUSPENSION OF LIBOR LOANS.  In the event (a) CNB shall, on any Business
Day, be unable to determine the LIBOR Base Rate applicable for a new, continued,
or converted LIBOR Loan for any reason, or (b) any law, regulation, or
governmental order, rule or determination, shall make it unlawful for CNB to
make a LIBOR Loan, Borrower's right to select LIBOR Loans shall be suspended
until CNB is again able to determine the LIBOR Base Rate or make LIBOR Loans, as
the case may be, and during such suspension time, new Loans and LIBOR Loans
whose Interest Period terminate, may only be Prime Loans.


                                          3

<PAGE>
                                                                       EXHIBIT A

                        NOTICE OF BORROWING/INTEREST SELECTION

  This Notice of Borrowing/Interest Selection ("Notice") is executed and
delivered by ZENITH NATIONAL INSURANCE CORP., a Delaware corporation
("Borrower"), to CITY NATIONAL BANK, a national banking association ("CNB"),
pursuant to that Revolving Note ("Note") dated July 1, 1996, executed by
Borrower in favor of CNB.  Any terms not defined herein shall have the meanings
defined in the Note or the Interest Rate Provision.

1.     REQUEST FOR A LOAN. Borrower requests a Loan under the Note as follows:

  1.1  Interest Selection- State "LIBOR" or "Prime":______________________
                                                     

  1.2  Principal Amount of Loan: $ _____________________ [IF LIBOR LOAN, MINIMUM
OF $500,000 AND INCREMENTS OF $250,000]

  1.3  LIBOR Loan- Effective Date of Interest Period: ____________________ ,
19 ___
  

  1.4  LIBOR Loan - Interest Period: ________ month(s) [1, 2, 3 or 6 months
only]

2.     CONVERSION TO LIBOR LOAN.  Borrower requests conversion of the
outstanding Prime Loan to a LIBOR Loan.

  2.1  Effective Date of Conversion:    __________________, 19  ____
                                         

  2.2  Principal Amount of Conversion: $ ________________   [MINIMUM OF
$500,000 AND INCREMENTS OF $250,000]

  2.3  Interest Period: _________ month(s) [1, 2, 3 or 6 months only]

3.     RENEWAL OF LIBOR LOAN.  Borrower requests renewing an outstanding LIBOR
Loan as follows:

  3.1  Principal Amount of Renewal of LIBOR Loan: $  ____________________
                                                  
[INCREMENTS OF $                  ] (Amount of LIBOR Loan not renewed as a LIBOR
                ------------------
Loan will be a Prime Loan)

  3.2  Date of Renewal:    ____________________, 19 ____   [LAST DATE OF
CURRENT INTEREST PERIOD]

  3.3  Interest Period:  ________ month(s) [1, 2, 3 or 6 months only]

4.     CONVERSION TO PRIME LOAN.  LIBOR Loans shall automatically convert to a
Prime Loan at the end of an Interest Period if CNB fails to timely receive a
Notice for an outstanding LIBOR Loan.

5.     WARRANTY.  In connection with the advance/conversion/renewal of the Loans
requested herein, Borrower hereby represents and warrants to CNB that, as of the
date of the such advance/conversion/renewal of the Loan requested herein, no
Event of Default has occurred and is continuing.  (If the foregoing statement is
not true and correct, attach a statement specifying in detail the circumstances
thereof and the actions Borrower is taking or proposes to take with respect
thereto.)

  This Notice is executed on  _______________, 19___ , by an authorized
officer of Borrower, on behalf of Borrower.

"Borrower"                    ZENITH NATIONAL INSURANCE CORP. a
                              Delaware corporation


                              By:
                                   ------------------------------------

                              Its:
                                   ------------------------------------
<PAGE>

[LOGO]-REGISTERED TRADEMARK -CITY NATIONAL             DISBURSEMENT INSTRUCTIONS
        BANK

                                                      Branch: Westside CBC #067
                                                              ------------------
                                                              Date: July 1, 1996
                                                                    ------------


     City National Bank is authorized to disburse the proceeds of that certain
note dated July 1, 1996, in the amount of $20,000,000.00, executed by the
undersigned Borrower as follows:

<TABLE>
<CAPTION>

CREDIT ACCOUNT NO.                IN THE NAME OF                   AMOUNT
<S>                               <C>                              <C>
                                                                   $
- ----------------------            -------------------------------     -----------------
                                                                   $
- ----------------------            -------------------------------      ----------------

ISSUE CASHIER'S CHECK(S)/DRAFT(S) PAYABLE TO:
                                                                   $
- ----------------------            -------------------------------      ----------------
                                                                   $
- ----------------------            -------------------------------      ----------------

WIRE FUNDS TO BANK ACCOUNT NO.    IN THE NAME OF 
                                                                   $
- ----------------------            -------------------------------      ----------------
                                                                   $
- ----------------------            -------------------------------      ----------------

RENEW LOAN NO.                    IN THE NAME OF

11552                             Zenith National Insurance Corp.  $
- ----------------------            -------------------------------     -----------------
                                                                   $
- ----------------------            -------------------------------      ----------------

APPLY TO LOAN NO.                 IN THE NAME OF
                                                                   $
- ----------------------            -------------------------------      ----------------
                                                                   $
- ----------------------            -------------------------------      ----------------


REMAINING AMOUNT AVAILABLE AS OF THIS DATE                         $  20,000,000.00   
                                                                      -----------------
                                                         TOTAL:    $  20,000,000.00   
                                                                      -----------------
</TABLE>

DISBURSE AS REQUESTED BY: (IDENTIFY PERSONS AUTHORIZED TO MAKE REQUESTS)


Stanley R. Zax, Fredricka Taubitz or Norman M. Dickson by verbal or written
- -----------------------------------------------------------------------------
request
- -----------------------------------------------------------------------------

- -----------------------------------------------------------------------------
Zenith National Insurance Corp.,
a Delaware corporation


By: /s/ Stanley R. Zax
- --------------------------------------------------
    Stanley R. Zax, Chairman of the Board/Pres.


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


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


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


<PAGE>

[LOGO]-REGISTERED TRADEMARK-CITY NATIONAL BANK         LOAN FEES AND CHARGES

Borrower: Zenith National Insurance Corp.                   Date: 7-1-96
         -------------------------------                          -------


Branch Name and No.:  Westside CBC #067
                      -----------------


Customer No.: 036-2090600                                 Note No.: 11552
              -----------                                           ------

In connection with the above referenced loan, fees and charges, as estimated,
are as follows:


Certificate of Status                                   $6.00

Total Estimated Fees                                    $6.00

Actual fees may be higher or lower than estimated fees.  Any excess funds will
be deposited to Borrower's Checking Account or reimbursed by Cashier's Check. 
If fees collected are insufficient to cover out of pocket costs, the Borrower
will be billed directly for the balance unless authorization to debit the
account is received.



Zenith National Insurance Corp., a 
Delaware corporation



By:   /s/ Stanley R. Zax
    --------------------------------------------
     Stanley R. Zax, Chairman of the Board/Pres.


================================================================================
To: City National Bank


I hereby authorize you to charge the aforementioned fees and charges to
depository account number _______________________.



- -------------------------             -----------------------
Date                                  Borrower 

<PAGE>


                        AMENDMENT TO LINE OF CREDIT AGREEMENT


    This Second Amendment to Line of Credit Agreement (the "Amendment") is made
and entered into this 28th day of June, 1996, by and between SANWA BANK
CALIFORNIA (the "Bank") and ZENITH NATIONAL INSURANCE CORP. (the "Borrower")
with respect to the following:

    This Amendment shall be deemed to be a part of and subject to that certain
Line of Credit Agreement dated as of December 15, 1994, as heretofore amended,
and any and all addenda and riders heretofore made (collectively the
"Agreement").  Unless otherwise defined herein, all terms used in this Amendment
shall have the same meanings as in the Agreement.  To the extent that any of the
terms or provisions of this Amendment conflict with those contained in the
Agreement, the terms and provisions contained herein shall control.

    WHEREAS, the Borrower and the Bank mutually desire to extend and/or modify
the Agreement.

    NOW THEREFORE, for value received and hereby acknowledged, the Borrower and
the Bank agree as follows:

         1.  CHANGE IN INTEREST RATE.  Section 1.02 C. 1 and 2 of the Agreement
are deleted in their entirety and the following is substituted in lieu thereof:

              "1.  REFERENCE RATE ADVANCES.  A variable rate equivalent to an
              index for a variable interest rate which is quoted, published or
              announced from time to time by the Bank as its reference rate and
              as to which loans may be made by the Bank at, below or above such
              reference rate (the "Reference Rate") minus 0.50% per annum (the
              "Variable Rate").  Interest shall be adjusted concurrently with
              any change in the Reference Rate.  An Advance based upon the
              Variable Rate is hereinafter referred to as a "Reference Rate
              Advance."  Each such Reference Rate Advance must be in the
              minimum amount of $100,000.00.

              2.  FED FUNDS ADVANCES.  A variable rate per annum (the "Federal
              Funds Rate"), for each day in which the Advance is based upon the
              Federal Funds Rate (a "Fed Funds Advance"), equivalent to 0.75%
              in excess of the interest rate equal to the weighted average of
              the rates on overnight Federal funds transactions with members of
              the Federal Reserve System, quoted to the Bank on such day by
              Federal funds brokers of recognized standing which are selected
              by the Bank in its sole discretion or, if such day is not a
              business day, for the immediately preceding business day.  With
              respect to this section 1.02(C)(2), a business day means a day in
              which banks are open generally in Chicago and New York for the
              conduct of substantially all of their commercial lending
              activities.  Fed Funds Advances must be in the minimum amount of
              $250,000.00.

         2.  MODIFICATION OF FINANCIAL CONDITION.  Section 4.10 F. of the
Agreement is deleted in its entirety and the following is substituted in lieu
thereof:

              "F.  ADVANCES TO PERMA-BILT.  Advances and loans extended to
              Perma-Bilt of no more than $45,000,000".

         3.  CONFIRMATION OF OTHER TERMS AND CONDITIONS OF THE AGREEMENT.
Except as specifically provided in this Amendment, all other terms, conditions
and covenants of the Agreement unaffected by this Amendment shall remain
unchanged and shall continue in full force and effect and the Borrower hereby
covenants and agrees to perform and observe all terms, covenants and agreements
provided for in the Agreement, as hereby amended.


                   [PAGE 1 ENDS HERE.  SIGNATURES APPEAR ON PAGE 2]


                                         -1-

<PAGE>


    IN WITNESS WHEREOF, this Amendment has been executed by the parties hereto
as of the date first hereinabove written.

BANK:                                   BORROWER:

SANWA BANK CALIFORNIA                   ZENITH NATIONAL INSURANCE CORP.

By: /s/ John C. Hyche                   By: /s/ Stanley R. Zax
    -------------------------------        ----------------------------------

Name:     John C. Hyche                 Name:     Stanley R. Zax
     ------------------------------          --------------------------------

Title:    Vice President                Title:  President and Chairman of the
      -----------------------------            ------------------------------
                                                            Board
                                                          ---------


                                         -2-


<PAGE>

                                STOCK OPTION AGREEMENT

    This Stock Option Agreement ("Option Agreement"), effective as of the 15th
day of March, 1996 (the "Effective Date"), is entered into on this 24th day of
May, 1996, between ZENITH NATIONAL INSURANCE CORP. ("ZENITH"), a Delaware
corporation, and STANLEY R. ZAX ("EMPLOYEE").

    ZENITH desires to afford EMPLOYEE an opportunity to purchase ZENITH's one
dollar par value common stock (the "Common Stock"), as hereinafter provided,
pursuant to the terms of ZENITH's 1996 Employee Stock Option Plan (the "1996
Plan").

    Now, therefore, in consideration of the mutual covenants hereinafter set
forth and for other good and valuable consideration, the parties hereto agree as
follows:

         Section 1.     GRANT OF OPTION.  ZENITH hereby irrevocably grants to
EMPLOYEE the right and option (the "Option") to purchase all or any part of an
aggregate of One Million (1,000,000) shares of Common Stock (such number being
subject to adjustment as provided in Section 8 hereof) on the terms and
conditions herein set forth.

         Section 2.     PURCHASE PRICE.  The purchase price of the Common Stock
subject to the Option shall be Twenty Three Dollars and Sixty-Two 1/2 Cents
($23.6250) per share.

<PAGE>

         Section 3.     TERMS OF OPTION.  The term of the Option shall be for a
period commencing on the Effective Date and ending on March 14, 2006.  The
Option may be exercised from time to time as set forth below in this Section 3,
provided, however, that notwithstanding the provisions set forth below, the
Option may be exercised in full upon the occurrence of the events set forth in
Section 6 or 7 hereof, or upon a "Change in Control" of ZENITH as defined in
Section 11.3 of that certain Employment Agreement dated December 6, 1994 between
ZENITH and EMPLOYEE (the "Employment Agreement") as such agreement is in effect
on the date hereof.
         (a)  During the period beginning on March 15, 1997 and ending on March
              14, 1998, the Option may be exercised to the extent of one-fifth
              (1/5th) of the aggregate number of shares set forth in Section 1
              hereof;

         (b)  During the period beginning on March 15, 1998 and ending on March
              14, 1999, the Option may be exercised to the extent of one-fifth
              (1/5th) of the aggregate number of shares set forth in Section 1,
              plus the excess of one-fifth (1/5th) of the aggregate number of
              shares set forth in Section 1 over the number of shares actually
              purchased pursuant to exercise of the Option during the period
              ending on March 14, 1998;


                                          2

<PAGE>

         (c)  During the period beginning on March 15, 1999 and ending on March
              14, 2000, the Option may be exercised to the extent of one-fifth
              (1/5th) of the aggregate number of shares set forth in Section 1,
              plus the excess of two-fifths (2/5ths) of the aggregate number of
              shares set forth in Section 1 over the number of shares actually
              purchased pursuant to exercise of the Option during the period
              ending on March 14, 1999;


         (d)  During the period beginning on March 15, 2000 and ending on March
              14, 2001, the Option may be exercised to the extent of one-fifth
              (1/5th) of the aggregate number of shares set forth in Section 1,
              plus the excess of three-fifths (3/5ths) of the aggregate number
              of shares set forth in Section 1 over the number of shares
              actually purchased pursuant to exercise of the Option during the
              period ending on March 14, 2000; and

         (e)  During the period beginning on March 15, 2001 and ending on March
              14, 2006, the Option may be exercised to the extent not
              previously exercised.

The purchase price of the Common Stock to be purchased hereunder shall be paid
by EMPLOYEE in full at the time of issuance of the shares:  (1) in cash; (2)
with previously acquired shares of Common Stock having a fair market value equal
to the


                                          3

<PAGE>

purchase price; (3) with a combination of cash and previously acquired shares of
Common Stock having an aggregate fair market value equal to the purchase price;
or (4) as otherwise permitted from time to time under the terms of the 1996
Plan.  Except as provided in Section 6 or 7 hereof, the Option may not be
exercised at any time unless the EMPLOYEE shall have been in the continuous
employ of ZENITH or any subsidiary from the Effective Date to the date of
exercise of the Option.

         Section 4.     METHOD OF EXERCISE.  EMPLOYEE may exercise his right
under the Option by delivering a notice of exercise in writing to ZENITH at its
principal corporate headquarters.  Such notice shall state:  (i) the number of
shares with respect to which the Option is then being exercised, (ii) the date
on which EMPLOYEE will take and pay for such shares, and (iii) the method of
payment for such shares.  Stock certificates shall be registered in the name of
EMPLOYEE (or, subject to the requirements of applicable law, EMPLOYEE's nominee
or designee) and shall issue against receipt of payment in full in accordance
with the methods of exercise set forth in Section 3 hereof.

         Section 5.     NONTRANSFERABILITY.  The Option shall not be
transferable otherwise than by will or the laws of descent and distribution, and
the Option may be exercised, during the lifetime of EMPLOYEE, only by him.  More
particularly but without limiting the generality of the foregoing, the Option
may not be assigned, transferred (except as provided above), pledged or
hypothecated in any way, shall

                                          4

<PAGE>

not be assignable by operation of law, and shall not be subject to execution,
attachment, or similar process.  Any attempted assignment, transfer, pledge,
hypothecation, or other disposition of the Option contrary to the provisions
hereof, and the levy of any execution, attachment, or similar process upon
the Option shall be null and void and without effect.

         Section 6.     TERMINATION OF EMPLOYMENT.   In the event EMPLOYEE
shall cease to be an employee of ZENITH or any subsidiary during the term of
this Agreement for any reason other than his death or his breach of any of his
material obligations under the Employment Agreement or any successor agreement,
EMPLOYEE shall have the right to exercise his rights under the Option as to all
or any portion of the aggregate number of shares set forth in Section 1 hereof
(without regard to Section 3 hereof) as to which he has not theretofore
exercised such rights, within three months from the date of termination of his
employment but in no event after March 14, 2006, whichever shall first occur.
The Option, to the extent not so exercised, shall thereupon terminate.  The
granting of the Option shall not constitute or be evidence of any agreement or
undertaking, expressed or implied, on the part of ZENITH or any subsidiary to
employ EMPLOYEE for a specified period; nor shall it interfere with the right of
ZENITH or any subsidiary to terminate EMPLOYEE's employment at any time.  In the
event of the termination of EMPLOYEE's employment by reason of EMPLOYEE's breach
of any of his


                                          5

<PAGE>

material obligations under the Employment Agreement or any successor agreement,
the exercisability of the Option shall be as provided for in the Employment
Agreement or such successor agreement, as applicable; or if not provided for
therein, the Option shall be exercisable, to the extent exercisable on the date
of any such termination of employment, for a period of ninety (90) days
following the date of such termination.

         Section 7.     EXERCISE ON DEATH.  If EMPLOYEE shall die during the
term of this Agreement while employed by ZENITH or any subsidiary or within
three (3) months following the date of termination of such employment, the
Option may be exercised, at any time within one (1) year following the date of
EMPLOYEE's death but in no event after March 14, 2006, whichever shall first
occur, as to all or any portion of the aggregate number of shares set forth in
Section 1 hereof as to which Employee has not theretofore exercised such rights,
and without regard to Section 3 hereof, by EMPLOYEE's executors or
administrators or by any person or persons who may have acquired the Option from
the EMPLOYEE by bequest or inheritance.  The Option, to the extent not so
exercised, shall thereupon terminate.

         Section 8.     CHANGES IN CAPITAL STRUCTURE.  In the event of any
merger, reorganization, consolidation, recapitalization, stock dividend or other


                                          6

<PAGE>


change in corporate structure affecting the Common Stock, the Option shall be
adjusted as provided in Section 3 of the 1996 Plan.

         Section 9.     RIGHTS AS STOCKHOLDER.  Except as expressly provided in
Section 8 hereof, EMPLOYEE shall have no rights as a stockholder with respect to
any optioned shares until EMPLOYEE has given written notice of exercise of the
Option, paid in full for such shares and, if requested by ZENITH, executed the
investment letter described in Section 10 hereof, including but not limited to
the occasion of any subdivision or consolidation of any ZENITH stock or
securities; or the payment of any stock dividend; or any other increase or
decrease in the number or amount of any ZENITH stock or securities; or any
rights with respect to any dissolution, liquidation, reorganization, merger, or
consolidation, or spin-off of assets or stock of ZENITH or another corporation.

         Section 10.    INVESTMENT LETTER.  EMPLOYEE, by execution of this
Option Agreement, hereby represents and agrees that any Common Stock which has
not been registered under the provisions of the Securities Act of 1933, as
amended (the "Securities Act"), will be purchased for investment and not with a
view to distribution or resale.  EMPLOYEE further agrees to execute, if
requested by the Company, prior to the issuance of any shares purchased by him
under the Option and as a condition upon which any such shares shall be issued,
excepting those


                                          7


<PAGE>


shares which have been registered under the provisions of the Securities Act, a
letter in such form as ZENITH may reasonably request setting forth the
representations and agreements of EMPLOYEE that such shares are being purchased
for investment and not with a view to their resale or distribution.

         Section 11.    INVESTMENT RESTRICTION.  Any shares issued upon the
exercise of the Option, excepting those shares which have been registered under
the provisions of the Securities Act, shall be acquired for investment purposes
only, and the certificates representing such shares shall bear a restrictive
investment legend to the following effect:

         The shares represented by this certificate have not been registered
         under the Securities Act of 1933, as amended (the "Act").  The shares
         have been acquired for investment and may not be sold, transferred,
         pledged, or hypothecated in the absence of an effective registration
         statement for the shares under the Act or an opinion of counsel to
         Zenith National Insurance Corp. that such transaction would not be in
         violation of the provisions of the Act.

         Section 12.    GENERAL.  ZENITH shall at all times during the term of
the Option reserve and keep available a number of shares of Common Stock
sufficient to satisfy the requirements of this Option Agreement, and shall pay
all original issue taxes with respect to the issuance of shares pursuant to this
Option Agreement and all other fees and expenses incurred by ZENITH in
connection therewith.


                                          8

<PAGE>


         Section 13.    ARRANGEMENT FOR TAX PAYMENT.  EMPLOYEE shall make any
arrangements required by ZENITH to provide that the amount of any tax required
to be withheld by ZENITH or any subsidiary as a result of the exercise of this
Option is available for payment of such tax withholding obligations.

         IN WITNESS WHEREOF, ZENITH has caused this Option Agreement to be duly
executed and EMPLOYEE has hereunto set his hand on this 24th day of May, 1996.

                                      ZENITH NATIONAL INSURANCE CORP.



[Corporate Seal]                       By:  /s/ Fredricka Taubitz
                                            ---------------------
                                       Its:  Executive Vice President and C.F.O
                                            -----------------------------------


ATTEST:



/s/ John J. Tickner
- -------------------------------
     Secretary


                                                  /s/ Stanley R. Zax
                                                  ------------------------------
                                                  EMPLOYEE



<PAGE>
                                 AMENDMENT NO. 2
                     TO THE ZENITH NATIONAL INSURANCE CORP.
              AMENDED AND RESTATED NON-QUALIFIED STOCK OPTION PLAN

          Effective as of the date hereof, Subsection 6(d) of the Zenith 
     National Insurance Corp. Amended and Restated Non-Qualified Stock Option
     Plan (the "Plan") shall be amended in its entirety to read as follows: 

          (d)  METHOD OF EXERCISE. Subject to the terms of the option agreement,
               Options may be exercised in whole or in part at any time during
               the option period, by giving written notice of exercise to Zenith
               at its principal corporate headquarters.  Such notice shall
               specify (i) the number of shares to be purchased, and (ii) the
               date on which the Optionee will take and pay for such shares. 
               The Optionee may pay the option price by delivery of (i) cash or
               cash equivalent (as approved by the Administrator), (ii)
               previously acquired shares of Common Stock having a Fair Market
               Value on the date of payment equal to the option price, (iii) an
               executed irrevocable exercise notice to Zenith and irrevocable
               instructions to a broker-dealer to sell a sufficient portion of
               the optioned shares to pay the exercise price and deliver the
               sale proceeds directly to Zenith (as approved by the
               Administrator) or any other cashless exercise procedure approved
               by the Administrator, or (iv) any combination of (i), (ii) and
               (iii) such that the sum thereof equals the option price. 
               Certificates of Common Stock shall be registered in the name of
               the person exercising the Option (or such person's  designee) and
               shall issue against receipt by Zenith of payment in full therefor
               in accordance with the foregoing payment provision.  All shares
               purchased upon the exercise of rights granted by an Option shall
               be fully paid and nonassessable.


               IN WITNESS WHEREOF, this Amendment is executed this 9th day of
April, 1996.


                                        ZENITH NATIONAL INSURANCE CORP.


                                        By: /s/  Stanley Zax
                                            ----------------------------------
                                        Its:  Chairman and President 

<PAGE>
                                                                        
                        ZENITH NATIONAL INSURANCE CORP.
                        1996 EMPLOYEE STOCK OPTION PLAN
 
SECTION 1.  GENERAL PURPOSE OF PLAN; DEFINITIONS.
 
    The  name of this plan is the  Zenith National Insurance Corp. 1996 Employee
Stock Option Plan (the "Plan").  The Plan was adopted by  the Board on March  7,
1996,  as amended March 15, 1996, subject to the approval of the stockholders of
the Company, which approval was obtained on May 22, 1996. The purpose of  the
Plan  is to enable the Company to  attract and retain highly qualified personnel
who will  contribute  to the  Company's  long  term success  by  their  ability,
ingenuity  and industry and to provide  incentives to the participating officers
and employees that  are linked directly  to increases in  stockholder value  and
will therefore inure to the benefit of all stockholders of the Company.
 
    For  purposes of the Plan, the following terms shall be defined as set forth
below:
 
        (1) "ADMINISTRATOR"  means,  with  respect to  Participants  other  than
    Executive  Officers of Zenith, the Board;  and, with respect to Participants
    who are Executive  Officers of  Zenith, the Performance  Bonus Committee  or
    other Committee in accordance with Section 2.
 
        (2) "BOARD" means the Board of Directors of the Company.
 
        (3) "CODE" means the Internal Revenue Code of 1986, as amended from time
    to time, or any successor thereto.
 
        (4)  "COMMITTEE" means the Performance Bonus Committee of the Board plus
    such additional individuals as the Board shall designate in order to fulfill
    (i) the Disinterested Persons  requirement of Rule  16b-3 as promulgated  by
    the   Securities  and  Exchange  Commission  (the  "Commission")  under  the
    Securities Exchange Act of 1934 (the  "Exchange Act"), and as such Rule  may
    be  amended from time  to time, or  any successor definition  adopted by the
    Commission and (ii) the "outside director" requirement of Section 162(m)  of
    the  Code and the regulations promulgated thereunder, or any other committee
    the Board may  subsequently appoint  to administer the  Plan. The  Committee
    shall  be  composed  entirely  of individuals  who  meet  the qualifications
    referred to in Rule 16b-3 and Section 162(m).
 
        (5)  "COMPANY"  means  Zenith  National  Insurance  Corp.,  a   Delaware
    corporation (or any successor corporation).
 
        (6)  "DISINTERESTED PERSON"  shall have  the meaning  set forth  in Rule
    16b-3 of the  Exchange Act, and  as such Rule  may be amended  from time  to
    time, or any successor definition adopted by the Commission.
 
        (7)  "EFFECTIVE DATE" shall  mean the date  provided pursuant to Section
    10.
 
        (8) "ELIGIBLE EMPLOYEE" means an officer  or employee of the Company  or
    any Subsidiary.
 
        (9) "FAIR MARKET VALUE" means, as of any given date, with respect to any
    awards granted hereunder, at the discretion of the Administrator and subject
    to  such limitations as  the Administrator may  impose, (A) if  the Stock is
    publicly traded,  the  closing sale  price  of the  Stock  on such  date  as
    reported  in the Wall Street Journal, or the average of the closing price of
    the Stock on each day on which the  Stock was traded over a period of up  to
    twenty   trading   days   immediately   prior   to   such   date,   (B)  the
 
                                      1
<PAGE>
    fair market value  of the Stock  as determined in  accordance with a  method
    prescribed  in the agreement evidencing any award hereunder, or (C) the fair
    market value of the  Stock as otherwise determined  by the Administrator  in
    the good faith exercise of its discretion.
 
        (10) "LIMITED STOCK APPRECIATION RIGHT" means a Stock Appreciation Right
    that can be exercised only in the event of a "Change in Control" (as defined
    in  any  award  agreement  providing  for  the  grant  of  a  Limited  Stock
    Appreciation Right).
 
        (11) "NON-QUALIFIED STOCK OPTION"  means a Stock Option  that is not  an
    "incentive stock option" within the meaning of Section 422 of the Code.
 
        (12)   "PARTICIPANT"  means  any  Eligible   Employee  selected  by  the
    Administrator, pursuant to the Administrator's authority in Section 2 below,
    to receive grants of Stock Options, Stock Appreciation Rights, Limited Stock
    Appreciation Rights or any combination of the foregoing.
 
        (13) "STOCK" means the common stock, $1.00 par value, of the Company.
 
        (14) "STOCK APPRECIATION  RIGHT" means  the right pursuant  to an  award
    granted under Section 6 to receive an amount equal to the difference between
    (A)  the Fair Market Value, as of  the date such Stock Appreciation Right or
    portion thereof is surrendered, of the shares of Stock covered by such right
    or such portion thereof, and (B) the aggregate exercise price of such  right
    or such portion thereof.
 
        (15)  "STOCK OPTION"  means any  Non-Qualified Stock  Option to purchase
    shares of Stock granted pursuant to Section 5.
 
        (16) "SUBSIDIARY" means any corporation  (other than the Company) in  an
    unbroken  chain of corporations  beginning with the Company,  if each of the
    corporations (other than the  last corporation) in  the unbroken chain  owns
    stock  possessing 50%  or more  of the  total combined  voting power  of all
    classes of stock in one of the other corporations in the chain.
 
SECTION 2.  ADMINISTRATION.
 
    The Plan shall be administered in  accordance with the requirements of  Rule
16b-3  of the Exchange  Act and of Section  162(m) of the Code  (but only to the
extent necessary to maintain qualification of  the Plan under Rule 16b-3 of  the
Exchange Act and Section 162(m) of the Code). Unless otherwise determined by the
Board,  the Plan shall be administered by the Board with respect to Participants
other than Executive Officers  of Zenith and, with  respect to Participants  who
are  Executive Officers of Zenith, by  the Committee (initially, the Performance
Bonus Committee) which shall be appointed by the Board and which shall serve  at
the pleasure of the Board.
 
    Pursuant  to the terms of  the Plan, the Administrator  shall have the power
and authority  to grant  to Eligible  Employees: (a)  Stock Options,  (b)  Stock
Appreciation Rights or Limited Stock Appreciation Rights, or (c) any combination
of the foregoing.
 
    In particular, the Administrator shall have the authority:
 
        (a)  to select those  employees of the Company  and its subsidiaries who
    shall be Participants;
 
        (b) to  determine  whether  and  to what  extent  Stock  Options,  Stock
    Appreciation  Rights, Limited Stock Appreciation Rights, or a combination of
    the foregoing, are to be granted hereunder to Participants;
 
        (c) to determine the number of shares  to be covered by each such  award
    granted hereunder;
 
                                      2
<PAGE>
        (d)  to determine  the terms and  conditions, not  inconsistent with the
    terms of the Plan, of any award granted hereunder, including the effect,  if
    any, of a change in control of the Company on any such award; and
 
        (e)  to determine  the terms and  conditions, not  inconsistent with the
    terms of the Plan, which shall govern all written instruments evidencing the
    Stock Options, Stock Appreciation Rights, Limited Stock Appreciation  Rights
    or any combination of the foregoing.
 
    The  Administrator shall  have the authority,  in its  discretion, to adopt,
alter and repeal such administrative  rules, guidelines and practices  governing
the  Plan as it shall  from time to time deem  advisable; to interpret the terms
and provisions  of  the Plan  and  any award  issued  under the  Plan  (and  any
agreements  relating thereto); and to  otherwise supervise the administration of
the Plan.
 
    All decisions made by  the Administrator pursuant to  the provisions of  the
Plan  shall be final and  binding on all persons,  including the Company and the
Participants.
 
SECTION 3.  STOCK SUBJECT TO PLAN.
 
    The total number  of shares  of Stock  reserved and  available for  issuance
under  the  Plan shall  be 2,000,000  plus  that number  of shares  reserved and
available for grant pursuant to new  awards under the Zenith National  Insurance
Corp.  Non-Qualified Stock Option Plan (the "Old Stock Option Plan") immediately
prior to the time the  Old Stock Option Plan is  terminated, which time will  be
the  date the Company's stockholders approve  the Plan. Such shares may consist,
in whole or in part, of authorized  and unissued shares or treasury shares.  The
aggregate   number  of  shares  of  Stock  as  to  which  Stock  Options,  Stock
Appreciation Rights and Limited Stock Appreciation Rights may be granted to  any
single individual during any one calendar year may not, subject to adjustment as
provided in this Section 3, exceed 1,000,000.
 
    To the extent that a Stock Option expires or is otherwise terminated without
being exercised, such shares shall again be available for issuance in connection
with  future awards under the Plan. If any  shares of Stock have been pledged as
collateral for indebtedness  incurred by  a Participant in  connection with  the
exercise  of  a Stock  Option and  such shares  are returned  to the  Company in
satisfaction of  such indebtedness,  such shares  shall again  be available  for
issuance  in connection with  future awards under  the Plan. Notwithstanding the
foregoing provisions of this paragraph,  for purposes of determining the  number
of  shares of Stock available for issuance  to persons subject to Section 162(m)
of the Code, such shares shall not again be available for issuance in connection
with future awards to such persons.
 
    In the event of any merger, reorganization, consolidation, recapitalization,
stock dividend or  other change in  corporate structure affecting  the Stock,  a
substitution  or adjustment shall be made in  (i) the aggregate number of shares
reserved for issuance under the Plan and (ii) the kind, number and option  price
of  shares subject  to outstanding  Stock Options  granted under  the Plan. Such
other substitutions or  adjustments shall be  made as may  be determined by  the
Administrator,  in its sole  discretion. An adjusted option  price shall also be
used to determine the  amount payable by  the Company upon  the exercise of  any
Stock Appreciation Right or Limited Stock Appreciation Right associated with any
Stock  Option. In  connection with  any event  described in  this paragraph, the
Board may provide, in  its discretion, for the  cancellation of any  outstanding
awards and payment in cash or other property therefor.
 
SECTION 4.  ELIGIBILITY.
 
    Officers (including officers who are directors of the Company) and employees
of  the Company or any Subsidiary (the "Eligible Employees") who are responsible
for or are in a position to contribute  to the long term success of the  Company
shall  be eligible  to be  granted Stock  Options, Stock  Appreciation Rights or
 
                                      3
<PAGE>
Limited Stock Appreciation  Rights hereunder.  The Participants  under the  Plan
shall  be  selected  from  time  to  time  by  the  Administrator,  in  its sole
discretion,  from  among  the  Eligible  Employees  recommended  by  the  senior
management  of the Company,  and the Administrator shall  determine, in its sole
discretion, the number of shares covered by each award.
 
SECTION 5.  STOCK OPTIONS.
 
    Stock Options may be  granted alone or in  addition to other awards  granted
under the Plan. Any Stock Option granted under the Plan shall be in such form as
the  Administrator may from  time to time  approve, and the  provisions of Stock
Option awards need not be the same with respect to each optionee. Recipients  of
Stock  Options shall enter  into a subscription and/or  award agreement with the
Company, in  such form  as the  Administrator shall  determine, which  agreement
shall set forth, among other things, the option price of the option, the term of
the  option  and  provisions  regarding  exercisability  of  the  option granted
thereunder.
 
    The Stock  Options  granted under  the  Plan shall  be  Non-Qualified  Stock
Options.
 
    The  Administrator shall have  the authority to  grant any Eligible Employee
Non-Qualified Stock  Options  (with  or without  Stock  Appreciation  Rights  or
Limited  Stock Appreciation Rights). More than one  option may be granted to the
same optionee and be outstanding concurrently hereunder.
 
    Stock Options granted under the Plan shall be subject to the following terms
and conditions  and shall  contain  such additional  terms and  conditions,  not
inconsistent  with the terms of the Plan, as the Administrator in its discretion
shall deem appropriate:
 
        (1) OPTION PRICE. The option price per share of Stock purchasable  under
    a  Stock  Option  shall  be  determined by  the  Administrator  in  its sole
    discretion at the time of grant but  shall not be less than the Fair  Market
    Value of the Stock on the date such Stock Option is granted.
 
        (2)  OPTION TERM. The  term of each  Stock Option shall  be fixed by the
    Administrator, but no Stock Option shall  be exercisable more than ten  (10)
    years after the date such Stock Option is granted.
 
        (3)  EXERCISABILITY. Stock Options shall be  exercisable at such time or
    times and subject to such terms and conditions as shall be determined by the
    Administrator at  or after  grant.  The Administrator  may provide,  in  its
    discretion, that any Stock Option shall be exercisable only in installments,
    and  the Administrator may waive such installment exercise provisions at any
    time in whole  or in part  based on  such factors as  the Administrator  may
    determine, in its sole discretion.
 
        (4) METHOD OF EXERCISE. Subject to Section 5(3) above, Stock Options may
    be  exercised in whole or  in part at any time  during the option period, by
    giving written notice of  exercise to the Company  specifying the number  of
    shares  to be  purchased, accompanied  by payment  in full  of the aggregate
    option price by delivery of (i) cash or cash equivalents (as approved by the
    Administrator), (ii) previously  acquired shares  of Common  Stock having  a
    Fair  Market Value  on the  date of  payment equal  to the  aggregate option
    price, (iii)  an executed  irrevocable exercise  notice to  the Company  and
    irrevocable  instructions to a broker-dealer to sell a sufficient portion of
    the optioned shares to pay the  aggregate option price and deliver the  sale
    proceeds  directly to the Company (as  approved by the Administrator) or any
    other cashless exercise procedure approved by the Administrator, or (iv) any
    combination of (i),  (ii) and  (iii) such that  the sum  thereof equals  the
    aggregate  option  price. An  optionee shall  generally  have the  rights to
    dividends  and   any   other   rights  of   a   stockholder   with   respect
 
                                      4
<PAGE>
    to the Stock subject to the option only after the optionee has given written
    notice of exercise, has paid in full for such shares, and, if requested, has
    given the representation described in paragraph (1) of Section 9.
 
        The  Administrator  may  require the  voluntary  surrender of  all  or a
    portion of any Stock Option granted under the Plan as a condition  precedent
    to  the grant of a new Stock Option.  Subject to the provisions of the Plan,
    such new Stock Option shall be exercisable at the price, during such  period
    and on such other terms and conditions as are specified by the Administrator
    at  the time the new Stock Option  is granted; PROVIDED, HOWEVER, should the
    Administrator so require,  the number of  shares subject to  such new  Stock
    Option  shall  not be  greater  than the  number  of shares  subject  to the
    surrendered Stock  Option.  Upon their  surrender,  Stock Options  shall  be
    canceled  and the shares  previously subject to  such canceled Stock Options
    shall again  be available  for  grants of  Stock  Options and  other  awards
    hereunder,  except  as otherwise  provided  herein with  respect  to persons
    subject to Section 162(m) of the Code.
 
        (5) LOANS. The Company may make loans available to Stock Option  holders
    in  connection with  the exercise of  outstanding options  granted under the
    Plan, as the  Administrator, in  its discretion, may  determine. Such  loans
    shall  (i) be evidenced by promissory notes entered into by the Stock Option
    holders in favor of the Company, (ii) be subject to the terms and conditions
    set forth in  this Section  5(5) and such  other terms  and conditions,  not
    inconsistent with the Plan, as the Administrator shall determine, (iii) bear
    interest,  if any,  at such rate  as the Administrator  shall determine, and
    (iv) be subject to  Board approval (or to  approval by the Administrator  to
    the  extent the  Board may  delegate such  authority). In  no event  may the
    principal amount of any such loan exceed the sum of (x) the aggregate option
    price less the aggregate  par value of  the shares of  Stock covered by  the
    option,  or portion thereof,  exercised by the holder,  and (y) any Federal,
    state, and local income tax attributable to such exercise. The initial  term
    of  the loan, the schedule  of payments of principal  and interest under the
    loan, the extent to which the loan is to be with or without recourse against
    the holder with  respect to principal  or interest and  the conditions  upon
    which  the loan will become payable in the event of the holder's termination
    of  employment  shall  be  determined  by  the  Administrator.  Unless   the
    Administrator  determines otherwise,  when a loan  is made,  shares of Stock
    having a Fair Market  Value at least  equal to the  principal amount of  the
    loan  shall be pledged by the holder  to the Company as security for payment
    of the unpaid balance of the loan,  and such pledge shall be evidenced by  a
    pledge   agreement,  the  terms   of  which  shall   be  determined  by  the
    Administrator, in its  discretion; PROVIDED, HOWEVER,  that each loan  shall
    comply  with  all applicable  laws, regulations  and rules  of the  Board of
    Governors of the Federal  Reserve System and  any other governmental  agency
    having jurisdiction.
 
        (6)  NON-TRANSFERABILITY OF OPTIONS. Unless  otherwise determined by the
    Administrator subject to  the limitations  on transferability  set forth  in
    Rule  16b-3, no Stock Option shall be  transferable by the optionee, and all
    Stock Options shall be exercisable, during the optionee's lifetime, only  by
    the optionee.
 
        (7)  TERMINATION BY DEATH.  If an Optionee should  die while employed by
    the Company or any  of its subsidiaries  or within three  (3) months of  the
    termination  of such employment, any Stock  Option held by such optionee may
    thereafter be exercised, to the extent the optionee would have been entitled
    to do so at the  date of death or  the termination of employment  (whichever
    first  occurs)  or  on such  accelerated  basis as  the  Administrator shall
    determine at or after  grant. Such option  may be so  exercised at any  time
    within  one (1)  year from the  date of  such optionee's death  or until the
    expiration of the stated term of
 
                                      5
<PAGE>
    such Stock Option, whichever period is shorter, by the optionee's  executors
    or  administrators or by any  person or persons who  shall have acquired the
    Stock Option from the optionee by bequest, inheritance or otherwise.
 
        (8) TERMINATION OTHER  THAN BY  DEATH. In  the event  an optionee  shall
    cease  to be an employee  of the Company or  its subsidiaries for any reason
    other than death,  any Stock Option  held by the  optionee may be  exercised
    within three (3) months from the date of termination of employment (or until
    the  expiration of the stated term of  such Stock Option, if earlier) to the
    extent such Stock Option was exercisable as of the date of such  termination
    of  employment  or  on such  accelerated  basis as  the  Administrator shall
    determine at or after grant.
 
SECTION 6.  STOCK APPRECIATION RIGHTS AND LIMITED STOCK APPRECIATION RIGHTS.
 
    (1)   GRANT AND  EXERCISE.   Stock  Appreciation  Rights and  Limited  Stock
Appreciation  Rights may be granted either  alone ("Free Standing Rights") or in
conjunction with  all  or  part of  any  Stock  Option granted  under  the  Plan
("Related  Rights"). In the case of a Non-Qualified Stock Option, Related Rights
may be granted either at or after the time of the grant of such Stock Option.
 
    A Related Right or applicable portion thereof granted in conjunction with  a
given  Stock  Option  shall terminate  and  no  longer be  exercisable  upon the
termination or  exercise  of  the  related Stock  Option,  except  that,  unless
otherwise  provided by the Administrator  at the time of  grant, a Related Right
granted with respect to less than the full number of shares covered by a related
Stock Option shall  only be  reduced if  and to the  extent that  the number  of
shares  covered  by the  exercise  or termination  of  the related  Stock Option
exceeds the number of shares not covered by the Related Right.
 
    A Related  Right  may  be  exercised by  an  optionee,  in  accordance  with
paragraph  (2) of this Section 6, by  surrendering the applicable portion of the
related Stock Option. Upon  such exercise and surrender,  the optionee shall  be
entitled  to receive an amount determined  in the manner prescribed in paragraph
(2) of this Section 6. Stock Options which have been so surrendered, in whole or
in part, shall no longer  be exercisable to the  extent the Related Rights  have
been so exercised.
 
    (2)   TERMS AND CONDITIONS.   Stock Appreciation Rights  shall be subject to
such terms and conditions, not inconsistent with the provisions of the Plan,  as
shall  be  determined from  time  to time  by  the Administrator,  including the
following:
 
        (a) Stock Appreciation  Rights that are  Related Rights ("Related  Stock
    Appreciation Rights") shall be exercisable only at such time or times and to
    the  extent that the Stock Options to which they relate shall be exercisable
    in accordance with the  provisions of Section  5 and this  Section 6 of  the
    Plan;  PROVIDED, HOWEVER, that no Related  Stock Appreciation Right shall be
    exercisable during  the first  six  months of  its  term, except  that  this
    additional limitation shall not apply in the event of death or disability of
    the optionee prior to the expiration of such six-month period.
 
        (b) Upon the exercise of a Related Stock Appreciation Right, an optionee
    shall  be entitled to receive up to, but not more than, an amount in cash or
    that number of shares of Stock (or in some combination of cash and shares of
    Stock) equal in value to the excess of the Fair Market Value of one share of
    Stock as of the date of exercise  over the option price per share  specified
    in  the related Stock Option multiplied by  the number of shares of Stock in
    respect of which the  Related Stock Appreciation  Right is being  exercised,
    with the Administrator having the right to determine the form of payment.
 
                                      6
<PAGE>
        (c)   Related  Stock   Appreciation  Rights  shall   be  exercisable  or
    transferable only when and  to the extent that  the underlying Stock  Option
    would be exercisable or transferable under paragraphs (3) and (6) of Section
    5 of the Plan.
 
        (d)  Upon the exercise of a  Related Stock Appreciation Right, the Stock
    Option or part  thereof to which  such Related Stock  Appreciation Right  is
    related  shall  be deemed  to have  been  exercised for  the purpose  of the
    limitation set forth in  Section 3 of  the Plan on the  number of shares  of
    Stock  to be issued under the Plan,  provided, however, that with respect to
    grants made  to persons  not subject  to Section  162(m) of  the Code,  such
    exercise  shall be deemed to take place for such purposes only to the extent
    of the number of shares issued under the Related Stock Appreciation Right.
 
        (e) Stock  Appreciation  Rights that  are  Free Standing  Rights  ("Free
    Standing  Stock Appreciation Rights")  shall be exercisable  at such time or
    times and subject to such terms and conditions as shall be determined by the
    Administrator at or after  grant; PROVIDED, HOWEVER,  that no Free  Standing
    Stock Appreciation Right shall be exercisable during the first six months of
    its  term, except that this limitation shall not apply in the event of death
    or disability of the recipient of the Free Standing Stock Appreciation Right
    prior to the expiration of such six-month period.
 
        (f) The term  of each Free  Standing Stock Appreciation  Right shall  be
    fixed  by the Administrator,  but no Free  Standing Stock Appreciation Right
    shall be exercisable more than ten (10)  years after the date such right  is
    granted.
 
        (g)  Upon the  exercise of a  Free Standing Stock  Appreciation Right, a
    recipient shall be entitled to receive up  to, but not more than, an  amount
    in  cash or that  number of shares of  Stock (or any  combination of cash or
    shares of Stock) equal in  value to the excess of  the Fair Market Value  of
    one  share of  Stock as  of the date  of exercise  over the  price per share
    specified in the Free Standing  Stock Appreciation Right (which price  shall
    be  no less than 100% of  the Fair Market Value of  the Stock on the date of
    grant) multiplied by the number of shares  of Stock in respect to which  the
    right  is  being  exercised,  with the  Administrator  having  the  right to
    determine the form of payment.
 
        (h) Free  Standing Stock  Appreciation Rights  shall be  exercisable  or
    transferable  only  when and  to the  extent  that a  Stock Option  would be
    exercisable or transferable under paragraphs (3) and (6) of Section 5 of the
    Plan.
 
        (i) In the  event a  Participant who  has received  Free Standing  Stock
    Appreciation  Rights shall  cease to  be an employee  of the  Company or its
    subsidiaries for any reason,  such rights shall be  exercisable to the  same
    extent  that a Stock Option would have been exercisable in the event of such
    termination of employment as set forth in Sections 5(7) and 5(8).
 
        (j) Limited Stock Appreciation Rights  may only be exercised within  the
    30-day   period  following  a  "Change  in   Control"  (as  defined  by  the
    Administrator in the  agreement evidencing such  Limited Stock  Appreciation
    Right)  and,  with respect  to Limited  Stock  Appreciation Rights  that are
    Related Rights ("Related  Limited Stock Appreciation  Rights"), only to  the
    extent  that the Stock Options to which  they relate shall be exercisable in
    accordance with the provisions of Section 5 and this Section 6 of the  Plan;
    PROVIDED, HOWEVER, that no Related Limited Stock Appreciation Right shall be
    exercisable  during  the first  six  months of  its  term, except  that this
    additional limitation shall not apply in the event of death or disability of
    the optionee prior to the expiration of such six-month period.
 
        (k) Upon  the  exercise  of  a Limited  Stock  Appreciation  Right,  the
    recipient  shall be entitled to receive an  amount in cash equal in value to
    the  excess   of   the   "Change   in  Control   Price"   (as   defined   in
 
                                      7
<PAGE>
    the agreement evidencing such Limited Stock Appreciation Right) of one share
    of  Stock as  of the date  of exercise over  (A) the option  price per share
    specified in the related Stock Option, or (B) in the case of a Limited Stock
    Appreciation Right which is  a Free Standing  Stock Appreciation Right,  the
    price  per share  specified in the  Free Standing  Stock Appreciation Right,
    such excess to be multiplied by the number of shares in respect of which the
    Limited Stock Appreciation Right shall have been exercised.
 
SECTION 7.  AMENDMENT AND TERMINATION.
 
    The Board  may amend,  alter  or discontinue  the  Plan, but  no  amendment,
alteration,  or discontinuation shall be made that  would impair the rights of a
Participant under  any  award  theretofore granted  without  such  Participant's
consent,  or that without the approval  of the stockholders (as described below)
would:
 
        (1) except as provided in Section 3, increase the total number of shares
    of Stock reserved for the purpose of the Plan;
 
        (2) change the class of  officers and employees eligible to  participate
    in the Plan; or
 
        (3) extend the maximum option period under paragraph (2) of Section 5 of
    the Plan.
 
    Notwithstanding  the foregoing,  stockholder approval  under this  Section 8
shall only be required at such time and under such circumstances as  stockholder
approval  would be required under Rule 16b-3  of the Exchange Act and/or Section
162(m) of  the Code  with respect  to  any material  amendment to  any  employee
benefit plan of the Company.
 
    The  Administrator may  amend the  terms of  any award  theretofore granted,
prospectively or  retroactively,  but,  subject  to Section  3  above,  no  such
amendment shall impair the rights of any holder without his or her consent.
 
SECTION 8.  UNFUNDED STATUS OF PLAN.
 
    The  Plan  is  intended  to  constitute  an  "unfunded"  plan  for incentive
compensation. With respect to any payments not yet made to a Participant by  the
Company,  nothing contained  herein shall give  any such  Participant any rights
that are greater than those of a general creditor of the Company.
 
SECTION 9.  GENERAL PROVISIONS.
 
        (1) The Administrator may require each person purchasing shares pursuant
    to a Stock Option to represent to and agree with the Company in writing that
    such person is acquiring the shares without a view to distribution  thereof.
    The   certificates  for  such  shares  may  include  any  legend  which  the
    Administrator deems appropriate to reflect any restrictions on transfer. All
    certificates for shares of Stock delivered  under the Plan shall be  subject
    to  such stock-transfer orders  and other restrictions  as the Administrator
    may deem advisable under the  rules, regulations, and other requirements  of
    the  Commission, any stock exchange upon which the Stock is then listed, and
    any applicable federal or  state securities law,  and the Administrator  may
    cause  a legend  or legends to  be placed  on any such  certificates to make
    appropriate reference to such restrictions.
 
        (2) Nothing contained in the Plan shall prevent the Board from  adopting
    other  or  additional  compensation  arrangements,  subject  to  stockholder
    approval if such approval is required;  and such arrangements may be  either
    generally  applicable or applicable only in  specific cases. The adoption of
    the Plan shall not confer upon any officer or other employee of the  Company
    any  right to continued employment with the Company, as the case may be, nor
    shall it interfere in any way with the right of the Company to terminate the
    employment of any of its officers or employees at any time.
 
                                      8
<PAGE>
        (3) Each Participant shall, no later than the date as of which the value
    of an award first becomes includible in the gross income of the  Participant
    for  federal income tax  purposes, pay to the  Company, or make arrangements
    satisfactory to the Administrator regarding payment of, any federal,  state,
    or  local taxes of any  kind required by law to  be withheld with respect to
    the  award.  The  obligations  of  the  Company  under  the  Plan  shall  be
    conditional  on the making of such payments or arrangements, and the Company
    shall, to the extent  permitted by law,  have the right  to deduct any  such
    taxes from any payment of any kind otherwise due to the Participant.
 
        (4)  No member  of the  Board or the  Administrator, nor  any officer or
    employee of the Company acting on behalf of the Board or the  Administrator,
    shall  be personally liable for any action, determination, or interpretation
    taken or made in good faith with respect to the Plan, and all members of the
    Board or  the Administrator  and each  and any  officer or  employee of  the
    Company  acting on their  behalf shall, to  the extent permitted  by law, be
    fully indemnified  and protected  by  the Company  in  respect of  any  such
    action, determination or interpretation.
 
SECTION 10.  EFFECTIVE DATE OF PLAN.
 
    The  Plan became effective (the "Effective Date") on March 7, 1996, the date
the Board of Directors  formally approved the Plan,  as amended March 15,  1996,
subject  to the approval of the  stockholders of the Corporation, which approval
was obtained on May 22, 1996.
 
SECTION 11.  TERM OF PLAN.
 
    No Stock  Option, Stock  Appreciation Right  or Limited  Stock  Appreciation
Right shall be granted pursuant to the Plan on or after the tenth anniversary of
the  date on  which the stockholders  approved the Plan,  but awards theretofore
granted may extend beyond that date.
 
                                      9

<TABLE> <S> <C>

<PAGE>
<ARTICLE> 7
<MULTIPLIER> 1,000
       
<S>                             <C>
<PERIOD-TYPE>                   6-MOS
<FISCAL-YEAR-END>                          DEC-31-1996
<PERIOD-START>                             JAN-01-1996
<PERIOD-END>                               JUN-30-1996
<DEBT-HELD-FOR-SALE>                           657,237
<DEBT-CARRYING-VALUE>                           56,076
<DEBT-MARKET-VALUE>                             54,854
<EQUITIES>                                      31,493
<MORTGAGE>                                           0
<REAL-ESTATE>                                        0
<TOTAL-INVEST>                                 783,679
<CASH>                                           8,091
<RECOVER-REINSURE>                              66,545
<DEFERRED-ACQUISITION>                          21,313
<TOTAL-ASSETS>                               1,100,952
<POLICY-LOSSES>                                504,149
<UNEARNED-PREMIUMS>                            129,926
<POLICY-OTHER>                                  10,125
<POLICY-HOLDER-FUNDS>                           13,060
<NOTES-PAYABLE>                                 81,675
                                0
                                          0
<COMMON>                                        24,365
<OTHER-SE>                                     300,254
<TOTAL-LIABILITY-AND-EQUITY>                 1,100,952
                                     220,492
<INVESTMENT-INCOME>                             24,890
<INVESTMENT-GAINS>                               8,050
<OTHER-INCOME>                                  14,795
<BENEFITS>                                     147,844
<UNDERWRITING-AMORTIZATION>                     42,251
<UNDERWRITING-OTHER>                            25,373
<INCOME-PRETAX>                                 35,065
<INCOME-TAX>                                    11,965
<INCOME-CONTINUING>                             23,100
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                    23,100
<EPS-PRIMARY>                                     1.30
<EPS-DILUTED>                                        0
<RESERVE-OPEN>                                       0
<PROVISION-CURRENT>                                  0
<PROVISION-PRIOR>                                    0
<PAYMENTS-CURRENT>                                   0
<PAYMENTS-PRIOR>                                     0
<RESERVE-CLOSE>                                      0
<CUMULATIVE-DEFICIENCY>                              0
        

</TABLE>


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