<PAGE>
 
             ZAPATA HAYNIE CORPORATION PROFIT-SHARING/SAVINGS PLAN
             -----------------------------------------------------


                            STATEMENT OF CHANGES IN
                            -----------------------

                     NET ASSETS AVAILABLE FOR PLAN BENEFITS
                     --------------------------------------

                     FOR THE YEAR ENDED SEPTEMBER 30, 1993
                     -------------------------------------

<TABLE>
<CAPTION>
 
 
                                                        Money Market/                Zapata
                                                          Guaranteed      Fixed      Common
                                             Equity       Investment      Income      Stock       Loan
                                              Fund      Contract Fund      Fund        Fund       Fund        Total
                                          ------------  --------------  ----------  ---------   ---------   ------------
<S>                                       <C>           <C>             <C>         <C>         <C>         <C>
 
NET ASSETS AVAILABLE FOR PLAN BENEFITS,   
 beginning of year                         $1,162,103      $3,244,518    $119,736   $ 64,791    $ 65,956    $4,657,104
 
CONTRIBUTIONS:
   Employee                                   242,676         238,192      37,379     27,613           -       545,860
   Employer                                    17,518         401,680       2,406        979           -       422,583
 
INTEREST AND DIVIDEND INCOME                   33,370         198,425      11,031        108       7,960       250,894
 
REALIZED GAIN (LOSS) ON INVESTMENT IN          (8,506)              -          37       (539)          -        (9,008)
 MASTER TRUST
 
UNREALIZED APPRECIATION
 (DEPRECIATION) OF INVESTMENT IN              (91,999)              -       2,638       (476)          -       (89,837)
 MASTER TRUST
 
 
WITHDRAWALS, net of transfers between        (159,361)       (513,367)     (8,005)   (16,258)     59,520      (637,471)
 funds
 
ADMINISTRATIVE EXPENSES                       (28,910)        (74,114)     (2,686)         -           -      (105,710)
                                           ----------      ----------    --------   --------    --------    ----------   
NET ASSETS AVAILABLE FOR PLAN BENEFITS,    
 end of year                               $1,166,891      $3,495,334    $162,536   $ 76,218    $133,436    $5,034,415
                                           ==========      ==========    ========   ========    ========    ==========  
</TABLE>

   The accompanying notes are an integral part of these financial statements.

                                      F-6