EXHIBIT
AGREEMENT
The undersigned, and each of them, hereby agree in writing pursuant to
the provisions of Rule 13d-1(k)(1)(iii) promulgated under the Securities
Exchange Act of 1934, as amended, that the Schedule 13G to which this Agreement
is attached is filed on behalf of each of the undersigned.
Dated: February 17, 2003
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