JOINT FILING AGREEMENT
Exhibit 1
The undersigned, and each of them, do hereby agree and consent to the filing of a single statement on behalf of all of them on Schedule 13G and amendments thereto, in accordance with the provisions of Rule 13d-1(d) of the Securities Exchange Act of 1934, as amended.
Date: January 12, 2005
SCF-IV, L.P. | ||||||||
By: | SCF-IV, G.P., Limited Partnership | |||||||
By: | X.X. Xxxxxxx & Associates, Incorporated | |||||||
By: | /s/ Xxxxxxx XxXxxx | |||||||
Xxxxxxx XxXxxx, Managing Director | ||||||||
SCF-IV, G.P., Limited Partnership | ||||||||
By: | X.X. Xxxxxxx & Associates, Incorporated | |||||||
By: | /s/ Xxxxxxx XxXxxx | |||||||
Xxxxxxx XxXxxx, Managing Director | ||||||||
X.X. Xxxxxxx & Associates, Incorporated | ||||||||
By: | /s/ Xxxxxxx XxXxxx | |||||||
Xxxxxxx XxXxxx, Managing Director | ||||||||
L.E. Simmons | ||||||||
/s/ L.E. Simmons | ||||||||
L.E. Simmons, individually |