Transcolorado Gas Transmission Company LLC

Second Revised Volume No. 1

Effective Date: 12/28/2007, Docket: RP08-167-000, Status: Effective

Original Sheet No. 409 Original Sheet No. 409 : Effective

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.