TransColorado Gas Transmission Company

Original Volume No. 1

Effective Date: 05/15/2000, Docket: GT00- 25-000, Status: Effective

First Revised Sheet No. 409 First Revised Sheet No. 409 : Superseded

Superseding: Original Sheet No. 409

TRADING PARTNER AGREEMENT

for the Electronic Data Interchange

of Information Over the Public Internet

THIS TRADING PARTNER AGREEMENT (the "Agreement") is made by and

between _____________________ ("Company") a ____________________, with

offices at ________________________________, and

__________________________________________________________ ("Trading

Partner"), a _________________________________________________

corporation, with offices at _______________________________________

(collectively, referred to as the "parties").

WHEREAS, the parties desire to facilitate administrative matters,

reports and other information exchanged ("Transactions") by electronically

transmitting and receiving data in agreed formats in substitution for on-

line transmittal and/or for conventional paper-based documents; and

WHEREAS, the parties desire to assure that such Transactions are

legally valid and enforceable as a result of the use of available

electronic technologies as contemplated herein in place of original,

handwritten signatures of the parties for the mutual benefit of said

parties; and

WHEREAS, the parties desire to enter into this Agreement to govern

their relationship solely with respect to electronic data interchange

("EDI") Transactions utilizing ASC X12 protocols over the public Internet

as the electronic delivery mechanism.

NOW THEREFORE, in consideration of the premises and covenants herein

contained, and for other good and valuable consideration, the receipt and

sufficiency of which are hereby acknowledged, the parties, intending to be

legally bound, hereby agree as follows:

Section 1. Prerequisites.

1.0. Appendix. The Appendix and Exhibit(s) thereto hereafter are

referred to as the "Appendix." The Appendix to this Agreement is attached

hereto and made a part hereof for all purposes and shall indicate

elections and/or amendments made by the parties by mutual agreement. In

the event of a conflict between the provisions in the body of this

Agreement and the Appendix, the Appendix will govern.