Gas Transmission Northwest Corp.

Third Revised Volume No. 1-A

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Effective Date: 04/30/2010, Docket: RP10-550-000, Status: Effective

First Revised Sheet No. 69 First Revised Sheet No. 69

Superseding: Original Sheet No. 69

RATE SCHEDULE PS-1

PARKING SERVICE

(Continued)

2. APPLICABILITY AND CHARACTER OF SERVICE (Continued)

2.11 Shippers requesting Parking Service shall use GTN's Service

Request Form available on GTN's EBB or by contacting GTN at the

following location:

Gas Transmission Northwest Corporation

Commercial Services

717 Texas Street, Suite 2400

Houston, Texas 77002-2761

2.12 Parking Service shall be subject to curtailment pursuant to

the applicable Transportation General Terms and Conditions

contained in this FERC Gas Tariff, Third Revised Volume No.

1-A.

3. RATES

Shipper shall pay GTN, each month, for services provided under

Rate Schedule PS-1. The maximum and minimum rate(s) set forth under

Rate Schedule PS-1 in GTN's current Statement of Effective Rates

and Charges for Transportation of Natural Gas in this FERC Gas Tariff,

Third Revised Volume No. 1-A are applicable to Parking Service rendered

hereunder.

The monthly charges for Parking Service shall be the product of the

quantities of gas in Shipper's Parking Account and the maximum PS-1

rate as set forth in the current Statement of Rates and Charges for

the Transportation of Natural Gas, unless GTN elects to discount

such rate, for each day gas remains in the Parking Account until

withdrawal.

If, on any day, Shipper nominates quantities of gas to be withdrawn

from its Parking Account but GTN is unable to schedule all such

quantities nominated, GTN shall suspend the PS-1 rate charges

for that quantity not scheduled until GTN is able to schedule

the quantity nominated.