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. 137 First Revised Sheet No. 137

Superseding: Original Sheet No. 137

RATE SCHEDULE TFL-1

Firm Lateral Transportation (Continued)

3. RATES AND MONTHLY CHARGES (Continued)

release service are set forth in Sheet No. 5. See Section 22 of

the General Terms and Conditions for information about rates for

capacity release service, including information about acceptable

bids. In the event of a base tariff maximum and/or minimum rate

change, wherein the Replacement Shipper has not agreed to pay the

maximum base tariff rate or a percentage of the maximum base

tariff rate (as it may change from time-to-time), the Replacement

Shipper will be obligated to pay:

(i) for capacity release transactions that are subject to

the maximum base tariff rate pursuant to FERC regulations:

the lesser of the awarded bid rate and the new maximum base

tariff rate unless the awarded bid rate is less than the new

minimum rate, in which case the new minimum rate will apply

for the remaining term of the release.

(ii) for capacity release transactions that are not subject

to the maximum base tariff rate pursuant to FERC

regulations: the greater of the minimum base tariff rate and

the awarded bid rate for the remaining term of the release.

(d) Shipper will pay the Reservation Charges commencing with the

primary term begin date set forth in the Service Agreement.

3.3 Volumetric Charge. The volumetric charge is the sum of the daily

product of Shipper's Scheduled Quantity in Dth and the Rate Schedule TFL-

1 applicable maximum currently effective volumetric rate for the

Designated Lateral stated on Sheet No. 5.

3.4 Overrun Charge. For any volume transported in excess of Shipper's

Contract Demand on any day, Shipper shall pay an amount obtained by

multiplying (i) the quantity of Dth in excess of Transportation Contract

Demand by (ii) the maximum currently effective scheduled overrun rate

per Dth for the Designated Lateral stated on Sheet No. 5, unless

otherwise agreed to by Shipper and Transporter.