ADOPTION AGREEMENT TO A VOTING AGREEMENT OF EGPI F

EXHIBIT 99.1

ADOPTION AGREEMENT TO

VOTING AGREEMENT OF EGPI FIRECREEK, INC.

The undersigned person shall be issued the shares of Sub-Series C-2 Preferred Stock of EGPI Firecreek, Inc. (“Company”) set forth below upon such person’s execution of this Adoption Agreement. The undersigned agrees as follows:

1.

The undersigned acknowledge that the undersigned is acquiring shares of Sub-Series C-2 Preferred Stock of the Company ("Stock") which shall be convertible to Rule 144 Restricted Common Stock of the Company, and which shall be subject to the terms and conditions of the Voting Agreement of the Company having an effective date of August 1, 2004 (the “Voting Agreement”), by and among the Company and certain of its stockholders.

2.

The undersigned (i) agrees that the Stock acquired by the undersigned (and the restricted common stock into which the Stock is convertible) shall be bound by and subject to the ter