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. 21 First Revised Sheet No. 21

Superseding: Original Sheet No. 21

RATE SCHEDULE TF-1

Firm Transportation (Continued)

5. TRANSPORTATION CONTRACT DEMAND (Continued)

firm basis on any one Gas Day, as specified in an executed Service

Agreement for service under this Rate Schedule. 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.

As long as the Contract Demand, as adjusted for any capacity

releases, is not exceeded, Transporter shall be obligated to receive up

to Shipper's Maximum Daily Quantity (MDQ) at each Primary Receipt Point

and to deliver up to Transporter's Maximum Daily Delivery Obligation

(MDDO) at each Primary Delivery Point at pressures at least as great as

the pressures specified in Shipper's TF-1 Service Agreement, on a firm

basis, as such MDQ and MDDO are adjusted for any released capacity

pursuant to Section 22 of the General Terms and Conditions.

The aggregate MDQ at the Primary Receipt Points, as specified in a

Service Agreement for service under this Rate Schedule, must equal the

Contract Demand. The aggregate MDDO at the Primary Delivery Points, as

specified in a Service Agreement for service under this Rate Schedule,

must equal the Contract Demand, except for those Service Agreements that

have aggregate MDDOs in excess of Contract Demand as a result of the

grandfathering of pre-existing conjunctive nomination rights under the

sales conversion program approved in Docket No. CP92-79.

6. SCHEDULED OVERRUN TRANSPORTATION

On any day Shipper nominates quantities of gas in excess of

Shipper's Transportation Contract Demand specified in the executed

Service Agreement, Transporter will schedule such quantities in

accordance with the priority of service and curtailment policy

delineated in Section 12 of the General Terms and Conditions.