Gas Transmission Northwest Corp.

Third Revised Volume No. 1-A

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

Original Sheet No. 307 Original Sheet No. 307 : Effective

FORM OF SERVICE AGREEMENT

APPLICABLE TO ELECTRONIC DATA INTERFACE

Section 4. Miscellaneous.

4.1. Term; Termination and Modification of EDI Process.

4.1.1 This Agreement shall be effective as of the date first set

forth above and shall remain in effect until terminated by either

party as provided in this Section 4.1; provided, however, that

written notice for purposes of this Section 4.1 shall not include

notice provided pursuant to an EDI Transaction; further provided,

however, that any termination shall not affect the respective

obligations or rights of the parties arising under any Documents

or otherwise under this Agreement prior to the effective date of

termination.

4.1.1.1 Either party may terminate this Agreement upon not less

than thirty (30) days prior written notice specifying the

effective date of termination.

4.1.1.2 GTN may terminate this Agreement as provided by

applicable tariff, and may further terminate, upon fifteen (15)

days prior notice by GTN, for cause, including User's failure

to honor this Agreement, failure to honor any Contract entered

through the EDI Process, failure to pay required reservation or

demand charges, failure to meet GTN's applicable credit

requirements, or failure to comply with all applicable tariffs

currently or hereafter in effect for GTN as approved by FERC

(as such term is defined in Section 3.1).

4.1.2 GTN has the right to propose modifications to FERC

related to the EDI Process and this Agreement, and in the event FERC

approves any modifications to the EDI Process and this Agreement,

the parties agree to be bound by such modifications.

(Continued)