Northwest Pipeline Corporation G P

Fourth Revised Volume No. 1

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

Original Sheet No. 72 Original Sheet No. 72 : Effective

RATE SCHEDULE LS-1

Liquefaction-Storage Gas Service

(Continued)

5. FUEL GAS REIMBURSEMENT

Upon liquefaction of Shipper's gas, Shipper shall reimburse

Transporter for fuel use in-kind, as detailed in Section 14 of the

General Terms and Conditions.

6. DEFINITIONS

6.1 Storage Demand Volume. The Storage Demand Volume shall be the

largest number of Dth Transporter is obligated to vaporize for, and

Shipper is entitled to receive from, Transporter's liquefied natural gas

storage plant under this Rate Schedule on any one day, subject to the

limitations described in Section 8 of this Rate Schedule, and shall be

specified in the executed Service Agreement between Transporter and

Shipper.

6.2 Storage Capacity Volume. The Storage Capacity Volume shall be the

maximum quantity of gas in Dth which Transporter is obligated to liquefy

and store in liquid form for Shipper's account and shall be specified in

the executed Service Agreement between Transporter and Shipper.

6.3 Liquefaction Period. The Liquefaction Period shall be the seven

consecutive months beginning on April 1 of any year and extending

through the next succeeding October 31.

6.4 Vaporization Period. The Vaporization Period shall be the five

consecutive months beginning on November 1 of any year and extending

through the next succeeding March 31.

6.5 Storage Capacity Balance. Shipper's Storage Capacity Balance at

any particular time shall be the quantity of gas in storage in liquid

form for Shipper at such time.