Gas Transmission Northwest Corp.

Third Revised Volume No. 1-A

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Effective Date: 11/21/2009, Docket: RP10-177-000, Status: Effective

Second Revised Sheet No. 29A Second Revised Sheet No. 29A

Superseding: First Revised Sheet No. 29A

STATEMENT OF EFFECTIVE RATES AND CHARGES

FOR TRANSPORTATION OF NATURAL GAS

(Continued)

NEGOTIATED RATE AGREEMENTS UNDER RATE SCHEDULE ITS-1, PS-1, AND AIS-1

Explanatory Footnotes for Negotiated Rates under Rate Schedule ITS-1, PS-1,

and AIS-1

9/ This agreement is for service under GTN's Rate Schedule PS-1. The fee

charged for this service under this agreement shall be determined as follows:

Maximum Allowable Total Quantity to be Parked: 100,000 Dth

Maximum Allowable Daily Quantity to be Parked: 18,000 Dth per day (or as

otherwise agreed upon by GTN

and Fortis Energy)

Allowable Period to Park Quantities: November 21 - November 30, 2009

Allowable Period to Withdraw Parked Quantities: December 1 - December 31, 2010

Total Charge USD (assessed December 2009): $201,100

Fortis Energy Marketing & Trading GP ("Fortis Energy") shall use good faith

efforts to park all gas on a ratable basis, up to the Maximum Allowable Daily

Quantity to be Parked, or as otherwise mutually agreed and further subject to

GTN's ability to park such quantities at the receipt point(s) specified in

Fortis Energy's Parking Service Agreement. In addition, Fortis Energy shall

use good faith efforts to withdraw all gas parked on a ratable basis, plus or

minus 20%, or as otherwise mutually agreed and further subject to GTN's

ability to redeliver such quantities at the same point(s) the gas was parked.

Any quantities Fortis Energy parks on GTN's system in excess of the contracted

quantity between November 21, 2009 through November 30, 2009, and any

quantities parked in periods other than November 21, 2009 through November 30,

2009 shall be subject to GTN's maximum tariff rate or other such generally

available system-wide discounted rate under rate schedule PS-1. Any

quantities withdrawn from GTN's Parking Service in December 2010 shall apply

first to the quantities subject to this agreement and second to any quantities

parked outside the bounds of this agreement.

GTN shall reimburse Fortis Energy $0.20/Dth, up to the contracted quantity for

any difference between the actual parked quantity during November 21, 2009

through November 30, 2009 and the contracted quantity, applicable to any

nominated and otherwise confirmable quantities GTN was unable to park on its

system during November 21, 2009 through November 30, 2009, which may be

occasioned by restricted capacity, adverse inventory positions or GTN

scheduling errors. Fortis Energy is obligated to make nominations on all

available nomination cycles during the day to be eligible for reimbursement.

Fortis Energy shall have the right to request on subsequent days the makeup of

quantities GTN was unable to park.

GTN shall reimburse Fortis Energy $0.20/Dth, up to the quantity actually

parked, for any quantities not withdrawn from GTN's system during December

2010 due to GTN's inability to accommodate a nominated and otherwise

confirmable withdrawal for that quantity during December 2010, which may be

occasioned by restricted capacity, adverse inventory positions or GTN

scheduling errors. Fortis Energy is obligated to make nominations on all

available nomination cycles during the day to be eligible for reimbursement.

Fortis Energy shall have the right to request on subsequent days the makeup

of quantities GTN was unable to withdraw.