Gas Transmission Northwest Corp.

Third Revised Volume No. 1-A

Effective Date: 10/01/2006, Docket: RP99-518-095, Status: Effective

Eighth Revised Sheet No. 17 Eighth Revised Sheet No. 17 : Effective

Superseding: Seventh Revised Sheet No. 17

STATEMENT OF EFFECTIVE RATES AND CHARGES

FOR TRANSPORTATION OF NATURAL GAS

(Continued)

NEGOTIATED RATE AGREEMENTS UNDER RATE SCHEDULES FTS-1 AND LFS-1

Explanatory Footnotes for Negotiated Rates

under Rate Schedules FTS-1 and LFS-1

1/ This contract does not deviate in any material aspect from the Form of

Service Agreement in this Tariff.

2/ Unless otherwise noted, all Shippers pay GTN's maximum Reservation

Charge, Delivery Charge, ACA, and contribute fuel in-kind in accordance

with this Tariff.

3/ Index Price References: Unless otherwise noted, references to "Daily

Index Price" shall mean the price survey midpoint for the specified point as

published in Gas Daily for the day of gas flow. Weekend and holiday prices

will be determined using the next available Gas Daily publication. Unless

otherwise noted, the references to the "NGI FOM" for a specified point shall

mean Natural Gas Intelligence's First of Month Bid Week Survey (Supplement

to NGI's Weekly Gas Index) Spot Gas Price for the specified point.

4/ The Reservation Rate shall be $0.08/Dth/day. The Delivery Rate shall be

$0.02/Dth/day inclusive of ACA. Fuel shall be reimbursed in-kind at the

applicable monthly percentage as posted on GTN's Internet website.

5/ The Reservation Rate shall be $0.025/Dth/day. Each day, the Delivery Rate

(inclusive of ACA) shall apply on a tiered basis as follows:

First 5,000 Dth - $0.02/Dth

Second 5,000 Dth - $0.05/Dth

6/ The Reservation Rate shall be $0.02/Dth/day. The Delivery Rate shall be

$0.02/Dth/day inclusive of ACA. Fuel shall be reimbursed in-kind at the

applicable monthly percentage as posted on GTN's Internet website.