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                                   Appendix A

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                                                 Principal Occupation
Name and Residence                                or Employment and
or Business Address                              Position with Zapata
-------------------                              --------------------         
<S>                                     <C> 

Malcolm I. Glazer                       Self-employed, private investor.
1482 South Ocean Boulevard              Director and Chairman of the Board of
Palm Beach, Florida  33480              Zapata.
 
 
Avram A. Glazer                         Employed by Malcolm I. Glazer and a
18 Stoney Clover Lane                   number of entities owned and
Pittsford, New York  14534              controlled by Malcolm I. Glazer.
                                        Director and President and Chief
                                        Executive Officer of Zapata.
 
 
Peter M. Holt                           Chairman and Chief Executive Officer
Zapata Corporation                      of Energy Industries, Inc., a
P.O. Box 4240                           subsidiary of Zapata and certain
Houston, Texas  77210-4240              other companies.  Director of Zapata.
 
 
 
Ronald C. Lassiter                      Chairman and Chief Executive Officer
Zapata Protein, Inc.                    of Zapata Protein, Inc., a subsidiary
P.O. Box 4240                           of Zapata. Director of Zapata.
Houston, Texas  77210-4240
 
 
Robert V. Leffler, Jr.                  Owner of the Leffler Agency, an
2607 North Charles Street               advertising and marketing/public
Baltimore, Maryland  21218              relations firm based in Baltimore,
                                        Maryland.  Director of Zapata.
 
 
W. George Loar                          Retired television station executive.
4531 Faraon D-3                         Director of Zapata.
St. Joseph, Missouri  64506
 
Lamar C. McIntyre                       Vice President, Chief Financial
Zapata Corporation                      Officer and Treasurer of Zapata.
P.O. Box 4240
Houston, Texas  77210-4240
 
Robert W. Jackson                       President and Chief Executive Officer
Zapata Corporation                      of Cimarron Gas Holding Company, a
P.O. Box 4240                           subsidiary of Zapata
Houston, Texas  77210-4240

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