Northwest Pipeline Corporation G P

Fourth Revised Volume No. 1

Effective Date: 12/01/2009, Docket: RP10-85-000, Status: Effective

First Revised Sheet No. 217 First Revised Sheet No. 217

Superseding: Original Sheet No. 217

GENERAL TERMS AND CONDITIONS

(Continued)

10. INTERRUPTIONS OF SERVICE

10.1 Tests and Repairs. Transporter shall have the right, without

liability to Shipper, to interrupt the transportation of gas for Shipper

when necessary to test, alter, modify, enlarge or repair any facility or

property comprising a part of, or appurtenant to, Transporter's pipeline

system, or otherwise related to the operation thereof. Transporter

shall endeavor to cause a minimum of inconvenience to Shipper because of

such interruptions.

10.2 Operational Control. Transporter shall retain full operational

control of its pipeline system and shall at all times be entitled to

schedule deliveries and to operate its pipeline system in a manner

which, in Transporter's sole opinion, is consistent with the obligations

and operating conditions as they may exist from time to time on

Transporter's system, or which will allow Transporter to optimize the

receipt and/or utilization of gas supplies on its transmission system

now and in the future. Nothing in any Service Agreement shall be deemed

to impinge on such operating flexibility.

11. SERVICE AGREEMENT AND SERVICE CONDITIONS

11.1 Form of Agreement. Transporter and Shipper shall electronically

execute a Service Agreement covering the service contemplated using

Transporter's standard Form of Service Agreement. The executed Service

Agreement, together with the General Terms and Conditions and applicable

Rate Schedule shall constitute the entire agreement between the parties

for service provided therein and shall be modified only by mutual

agreement, electronically in Northwest Passage. Except for the granting

of temporary discounts pursuant to Section 3.3(b) of Rate Schedule TI-1

and Section 3.5(b) of Rate Schedule TIL-1, all modifications to Service

Agreements must be made in accordance with Section 11.4 of the General

Terms and Conditions of Transporter's Tariff.