Gas Transmission Northwest Corp.

Third Revised Volume No. 1-A

Effective Date: 10/06/2003, Docket: RP04- 23-000, Status: Effective

Original Sheet No. 312 Original Sheet No. 312 : Effective

FORM OF SERVICE AGREEMENT

APPLICABLE TO ELECTRONIC DATA INTERFACE

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 Appendix A to the addressee party at such

party's address as set forth in Appendix A. Either 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 either 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 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.

4.11. Reasonable Care of User. User agrees to exercise due

and reasonable care in the use of the EDI Process.

Each party has caused this Agreement to be properly executed

on its behalf as of the date first above written.

GAS TRANSMISSION NORTHWEST CORPORATION

By:______________________________

Name:____________________________

Title:___________________________

[INSERT NAME OF "USER"]

By:______________________________

Name:____________________________

Title:___________________________

(Continued)