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 |
