TransColorado Gas Transmission Company

Original Volume No. 1

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

First Revised Sheet No. 415 First Revised Sheet No. 415 : Superseded

Superseding: Original Sheet No. 415

TRADING PARTNER AGREEMENT

for the Electronic Data Interchange

of Information Over the Public Internet

Section 4. Miscellaneous. (Continued)

4.2. Severability. If any provision of this Agreement is

determined to be invalid or unenforceable, then as of such determination,

this Agreement in its entirety shall be deemed ineffective and

unenforceable by the parties.

4.3. Entire Agreement. This Agreement, the Appendix and any duly

executed amendments or exhibits thereto shall constitute the complete

agreement of the parties relating to the matters specified in this

Agreement and supersede all prior representations or agreements, whether

oral or written, with respect to such matters. No oral modification or

waiver of any of the provisions of this agreement shall be binding on

either party. No obligation to enter into any Transaction is to be implied

from the execution or delivery of this Agreement. This Agreement is solely

for the benefit of, and shall be binding solely upon, the parties their

agents and their respective successors and permitted assigns. This

Agreement is not intended to benefit and shall not be for the benefit of

any party other than the parties hereto and no other party shall have any

right, claim or action as a result of this Agreement. There are no third

party beneficiaries to this Agreement.

4.4. Governing Law. This Agreement shall be governed by,

interpreted and enforced in accordance with the laws of the state of

Texas, without regard to its conflicts of laws provisions.

4.5. Force Majeure. No party shall be liable for any failure to

perform its obligations in connection with any Transaction or any

Document, where such failure results from any act of God or other cause

beyond such party's reasonable control (including, without limitation, any

mechanical, electronic or communications failure) which prevents such

party from transmitting or receiving any documents and which, by the

exercise of due diligence, such party is unable to prevent or overcome.