Northwest Pipeline Corporation G P

Fourth Revised Volume No. 1

Effective Date: 02/20/2009, Docket: RP09-227-000, Status: Effective

First Revised Sheet No. 52A First Revised Sheet No. 52A

Superseding: Original Sheet No. 52A

RATE SCHEDULE SGS-2F

Storage Gas Service - Firm (Continued)

3. MONTHLY RATE (Continued)

The SGS-2F Volumetric Bid Charge will be calculated as set forth in

section 3.1 herein except that (a) and (b) change as specified below:

(a) Withdrawal Charge: Per Dth of Withdrawals during the

applicable month.

(b) Storage Charge: Per Dth of Shipper's Working Gas Inventory

per day.

3.4 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. MINIMUM MONTHLY BILL

Unless Transporter and Shipper mutually agree otherwise, the

Minimum Monthly Bill will consist of the sum of the Demand and Capacity

Demand Charges specified in Section 3 of this Rate Schedule, as

applicable.

5. FUEL GAS REIMBURSEMENT

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

detailed in Section 14 of the General Terms and Conditions.

6. CONTRACT DEMAND

The Contract Demand shall be the largest number of Dth Transporter

is obligated to withdraw and deliver to Shipper, and Shipper is entitled

to receive from Transporter, at Jackson Prairie on any one day, to the

limitations set forth in Section 9 below, and shall be specified in the

executed Service Agreement between Transporter and Shipper.

Transporter's service obligation is limited to Shipper's Contract

Demand, as adjusted for any released capacity pursuant to Section 22 of

the General Terms and Conditions