AGREEMENT MADE PURSUANT TO RULE 13d-1(f)(1)(iii) 2 JOINT FILING AGREEMENTJoint Filing Agreement • November 5th, 1997 • Natural Gas Partners Ii Lp
JOINT FILING AGREEMENTJoint Filing Agreement • November 6th, 1998 • Natural Gas Partners Ii Lp
JOINT FILING AGREEMENTJoint Filing Agreement • August 23rd, 1999 • Natural Gas Partners Ii Lp
AGREEMENT The undersigned reporting persons hereby agree that the statements filed pursuant to this Schedule 13G/A dated July 30, 1999, to which this Agreement is filed as an exhibit is filed of behalf of each of them. Date: July 30, 1999 NATURAL GAS...Schedule 13g/a Agreement • August 2nd, 1999 • Natural Gas Partners Ii Lp
1 EXHIBIT 10.1Lock-Up Agreement • November 5th, 1997 • Natural Gas Partners Ii Lp
EXHIBIT D AGREEMENT MADE PURSUANT TO RULE 13d-1(f)(1)(iii) JOINT FILING AGREEMENT This Joint Filing Agreement (this "Agreement") is made and entered into as of the 17th day of February, 2000, by and among the undersigned parties. In accordance with...Joint Filing Agreement • February 17th, 2000 • Natural Gas Partners Ii Lp
