Northwest Pipeline Corporation G P

Fourth Revised Volume No. 1

Effective Date: 11/01/2008, Docket: RP09-1056-000, Status: Effective

Second Revised Sheet No. 51 Second Revised Sheet No. 51

Superseding: First Sheet No. 51

RATE SCHEDULE SGS-2F

Storage Gas Service - Firm (Continued)

3. MONTHLY RATE

Each month, Shipper will pay Transporter for service rendered under this

Rate Schedule the amounts specified in this Section 3, as applicable.

3.1 Storage Service. The sum of (a),(b) and (c) below:

(a) Demand Charge: The sum of the daily product of Shipper's

Contract Demand and the Demand Charge stated on Sheet No. 7

of this Tariff that applies to the customer category

identified in the Service Agreement.

(b) Capacity Demand Charge: The sum of the daily product of

Shipper's Storage Capacity and the Capacity Demand Charge

stated on Sheet No. 7 of this Tariff that applies to the

customer category identified in the Service Agreement.

The related transportation of gas to and from the Jackson Prairie

storage facility shall be subject to separate transportation charges

under applicable open-access Rate Schedules. The rates set forth in the

sub-paragraphs above are exclusive of the aforementioned transportation

charges.

3.2 Discounted Recourse Rates. Transporter reserves the right to

discount at any time the Recourse Rates for any individual Shipper under

any service agreement without discounting any other Recourse Rates for

that or another Shipper; provided, however, that such discounted

Recourse Rates shall not be less than the Minimum Currently Effective

Rates set forth on Sheet No. 7 of this Tariff, or any superseding

tariff. Such discounted Recourse Rates may apply to specific volumes of

gas such as volumes injected, withdrawn or stored above or below a

certain level or all volumes if volumes exceed a certain level, and

volumes of gas injected, withdrawn or stored during specific time

periods. If Transporter discounts any Recourse Rates to any Shipper,

Transporter will file with the Commission any required reports

reflecting such discounts.