JOINT FILING AGREEMENT
EXHIBIT 99.1 JOINT FILING AGREEMENT The undersigned stockholders of Xxxxxx Exploration Company, a Deleware corporation, hereby consent to the joint filing of a Schedule 13(d) in accordance with Rule 13d-1(f)(1) of the Securities Exchange Act of 1934. Date: February 17, 1998 /S/ XXXXX X. XXXXXX Xxxxx X. Xxxxxx XXXXX X. XXXXXX TRUST By /S/ XXXXX X. XXXXXX Xxxxx X. Xxxxxx, Trustee XXXXXX AND XXXXXX, INC. XXXXX X. XXXXXX TRUST By /S/ XXXXX X. XXXXXX Xxxxx X. Xxxxxx, Trustee