Gas Transmission Northwest Corp.

Third Revised Volume No. 1-A

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Effective Date: 05/27/2006, Docket: RP06-326-000, Status: Effective

First Revised Sheet No. 281 First Revised Sheet No. 281 : Effective

Superseding: Original Sheet No. 281

FORM OF SERVICE AGREEMENT

APPLICABLE TO PARKING SERVICE

UNDER RATE SCHEDULE PS-1

(Continued)

II

Quantity of Gas and Priority of Service

2.1 Quantities parked under Rate Schedule PS-1 will be as specified in

Shipper's delivery schedule to be provided to GTN

2.2 The service under this Agreement shall be conditioned upon the

availability of capacity sufficient to provide the service without

detriment or disadvantage to those customers of GTN that

have a higher priority of service.

2.3 Prior to initiation of service, Shipper shall provide GTN

with any information required by the FERC, as well as all

information identified in GTN's Transportation General Terms

and Conditions applicable to Rate Schedule PS-1.

III

Term of Agreement

3.1 This Agreement shall become effective __________, and shall

continue in full force and effect until __________, and year to year

thereafter until canceled by ________day(s) prior written notice

given by either party to the other.

IV

Points of Receipt

4.1 The point(s) of receipt of gas deliveries to GTN is as

designated in Exhibit A, attached hereto.

4.2 Shipper shall deliver or cause to be delivered to GTN the

gas to be parked hereunder at pressures sufficient to deliver

such gas into GTN's system at the point(s) of receipt.

(Continued)