Northwest Pipeline Corporation G P

Fourth Revised Volume No. 1

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

Original Sheet No. 92 Original Sheet No. 92 : Effective

RATE SCHEDULE LS-2I

Liquefaction-Storage Gas Service - Interruptible

(Continued)

5. DEFINITIONS

5.1 Maximum Withdrawal Quantity. The Maximum Withdrawal Quantity shall

be the largest number of Dth Transporter may vaporize for, and Shipper

may receive from, Transporter's liquefied natural gas storage plant

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

described in Section 7 of this Rate Schedule, and shall be specified in

the executed Service Agreement between Transporter and Shipper.

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

maximum quantity of gas in Dth which Transporter may liquefy and store

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

executed Service Agreement between Transporter and Shipper.

5.3 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.

5.4 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.

5.5 Working Gas Inventory. Shipper's Working Gas Inventory at any

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

for Shipper at such time.

5.6 Nominated Storage Volume. Shipper's Nominated Storage Volume shall

be the quantity of gas in Dth, up to Shipper's Storage Capacity Volume,

which Shipper nominates to have liquefied and stored in liquid form by

Transporter for Shipper's account and shall be provided to Transporter

in writing on or before April 1 of each year. Shipper upon ten (10)

days written notice to Transporter may elect to change its Nominated

Storage Volume during the liquefaction period. Such change shall not

reduce the Nominated Storage Volume below Shipper's Working Gas

Inventory at the time of election.

6. LIQUEFACTION INTO STORAGE FOR SHIPPER'S ACCOUNT

During a liquefaction period, Shipper may tender to Transporter for

liquefaction and storage sufficient quantities of gas to fill Shipper's

Storage Capacity Volume, subject to Transporter's obligations to

provide firm storage services under Rate Schedules LS- and LS-F. Such

tenders shall commence on April 1 and shall consist of uniform daily

quantities equal to 1/200th of Shipper's Nominated Storage Volume

(except for the last day of liquefaction) until Shipper's Storage