EXHIBIT A 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 1st day of December, 1998. /s/ JAMES...Joint Filing Agreement • December 2nd, 1998 • Moore James E Revocable Trust • Crude petroleum & natural gas
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.
