<PAGE>
 
                                                           SCHEDULE I



             ZAPATA HAYNIE CORPORATION PROFIT-SHARING/SAVINGS PLAN
             -----------------------------------------------------


          ITEM 27(a) - SCHEDULE OF ASSETS HELD FOR INVESTMENT PURPOSES
          ------------------------------------------------------------

                               SEPTEMBER 30, 1993
                               ------------------

<TABLE>
<CAPTION>
 
 
                                                         Current
                                                         Market
         Issuer and Description              Cost         Value
        ------------------------          -----------  -----------
<S>                                       <C>          <C>
 
INVESTMENT IN ZAPATA CORPORATION MASTER
 PROFIT-SHARING TRUST*:
    Equity Fund                            $  730,919   $1,165,757
Money Market/Guaranteed Investment          
    Contract Fund                           3,119,898    3,119,898
Fixed Income Fund                             142,042      162,097
    Zapata Common Stock Fund                  128,906       80,472
                                           ----------   ---------- 
 
Total                                      $4,121,765   $4,528,224
                                           ==========   ==========
 
LOANS TO PARTICIPANTS*                     $  133,436   $  133,436
                                           ==========   ==========
 
</TABLE>

* Indicates party in interest.



   The foregoing notes to financial statements are an integral part of this
                                   schedule.

                                     F-12