JOINT FILING AGREEMENT Each of the undersigned hereby affirms that it is individually eligible to use Schedule 13D, and agrees that this Amendment No. 1 to Schedule 13D is filed on its behalf. Dated this 7th day of June, 1999. TRINITY PETROLEUM...

                             JOINT FILING AGREEMENT


      Each of the undersigned hereby affirms that it is individually eligible to
use Schedule 13D, and agrees that this Amendment No. 1 to Schedule 13D is filed
on its behalf.

      Dated this 7th day of June, 1999.


TRINITY PETROLEUM MANAGEMENT, LLC


By: /s/ J. Xxxxxx Xxxxxx
   ---------------------------------------
      Name: J. Xxxxxx Xxxxxx
      Title: Manager/President



 /s/ J. Xxxxxx Xxxxxx
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     Name: J. Xxxxxx Xxxxxx, Individually
     Position: Director