Columbia Gulf Transmission Company

Second Revised Volume No. 1

Effective Date: 06/01/1997, Docket: RP97-166-007, Status: Effective

First Revised Sheet No. 414 First Revised Sheet No. 414 : Effective

Superseding: Original Sheet No. 414

TRADING PARTNER AGREEMENT

FOR

ELECTRONIC DATA INTERCHANGE (Cont'd)

4.6. Responsibility for System Failure. Each EDI user shall bear the consequences of any failure in its

own EDI-related equipment or system, and no such failure shall in any way affect the requirements under

Transporter's Tariff or Service Agreements for communications, or the impact under the Tariff or Service

Agreements of any failure by either party to make or receive such communications. The standards of liability

applicable to the operation of the EDI equipment within Transporter's ownership and control shall be the same

standards as are applicable to Transporter's other equipment and operations.

4.7. Notices. All notices required or permitted to be given with respect to this Agreement shall be given

by mailing the same postage prepaid, or given by fax or by courier, or by other methods specified in the

Appendix to the addressee party at such party's address as set forth in the Appendix. Any party may change

its address for the purpose of notice hereunder by giving the other party no less than five (5) days prior

written notice of such new address in accordance with the preceding provisions.

4.8. Assignment. This Agreement may not be assigned or transferred by any party without the prior written

approval of the other party, which approval shall not be unreasonably withheld; provided, any assignment or

transfer, whether by merger or otherwise, to a party's affiliate or successor in interest shall be permitted

without prior consent if such party assumes this Agreement.

4.9 Waivers. No waiver of any of the terms and conditions of this Agreement shall be effective or binding

unless such waiver is in writing and is signed by the Party which granted such waiver. No forbearance by

any party to require performance of any provisions of this Agreement shall constitute or be deemed a waiver

of such provision or the right thereafter to enforce it.

4.10 Counterparts. This Agreement may be executed in any number of original counterparts, all of which shall

constitute but one and the same instrument.

Each party has caused this Agreement to be properly executed on its behalf as of the date first above written.

Columbia Gas Transmission Corporation Company Name:

Columbia Gulf Transmission Company

By: _______________________________________ By: ________________________________________

Name: ______________________________________ Name: _______________________________________

Title: _____________________________________ Title: ______________________________________