Northwest Pipeline Corporation G P

Fourth Revised Volume No. 1

Effective Date: 01/31/2008, Docket: RP08-130-000, Status: Effective

Original Sheet No. 62 Original Sheet No. 62 : Effective

RATE SCHEDULE SGS-2I

Storage Gas Service - Interruptible

(Continued)

3. MONTHLY RATE (Continued)

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gas, such as volumes injected, withdrawn or stored above or below a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volumes of gas injected, withdrawn or stored during specific time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.

3.3 Negotiated Rates. Notwithstanding the general provisions of this

Section 3, if Transporter and Shipper mutually agree to Negotiated Rates

for service hereunder, such Negotiated Rates will apply in lieu of the

otherwise applicable rates identified in this Section 3.

4. FUEL GAS REIMBURSEMENT

Shipper shall reimburse Transporter for fuel use in-kind, as

detailed in Section 14 of the General Terms and Conditions.

5. DEFINITIONS

5.1 Shipper's Interruptible Storage Capacity shall be the maximum

quantity of gas in Dth which Transporter may store for Shipper's account

and shall be specified in the executed Service Agreement between

Transporter and Shipper.

5.2 Shipper's Maximum Withdrawal Quantity shall be the maximum quantity

of gas in Dth which Transporter may withdraw from storage for Shipper's

account on a daily basis, except as provided in Section 6.1, and will be

specified in the executed Service Agreement between Transporter and

Shipper.

5.3 Shipper's Working Gas Inventory shall be the actual quantity of

working gas in storage for Shipper's account at the beginning of any

given day.