Northwest Pipeline Corporation G P

Fourth Revised Volume No. 1

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Effective Date: 11/01/2009, Docket: RP09-1056-000, Status: Effective

First Revised Sheet No. 219B First Revised Sheet No. 219B

Superseding: Original Sheet No. 219B

GENERAL TERMS AND CONDITIONS

(Continued)

12. SCHEDULING PRIORITIES AND CURTAILMENT POLICY

12.1 Scheduling Priorities for Transportation

If Transporter determines that its operationally available

Transportation capacity through any point on its system is insufficient

to accommodate all otherwise acceptable new Nominations for services

under Rate Schedules TF-1, TF-2, TFL-1, TI-1 and TIL-1 in any Nomination

cycle through such point, Transporter will schedule its operationally

available capacity for Nominations that have not already been scheduled

for a given Gas Day in accordance with the following priorities of

service:

(a) First, Nominations for Primary Firm Service will be

scheduled. If all such Nominations cannot be accommodated,

available capacity will be allocated pro rata based on the Primary

Firm Service Rights associated with such Nominations through the

constraint point.

(b) Second, Nominations for Secondary Firm Service will be

scheduled as follows:

i) Nominations made pursuant to Rate Schedule TF-2 from the

Plymouth LNG storage facility where the Nomination is at or

in between the receipt and delivery point(s) listed on

Shipper's associated TF-1 Firm Service Agreement;

ii) Nominations under any Commission-approved Firm Service

Agreement with non-conforming provisions which provide

Shipper with subordinate rights; and