Northwest Pipeline Corporation G P

Fourth Revised Volume No. 1

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

Original Sheet No. 202F Original Sheet No. 202F

GENERAL TERMS AND CONDITIONS

(Continued)

1.48 Service Requester: A Shipper or any other party that executes

with Transporter a Northwest Passage Access Agreement and/or a Trading

Partner Agreement.

1.49 Shipper: A party that executes a Service Agreement with

Transporter under one of the Rate Schedules contained in this tariff.

1.50 Thermally Equivalent: An equal number of Dths.

1.51 Trading Partner Agreement: An agreement entered into by Transporter

and requesting party which governs the EDI between Transporter and

Service Requester.

1.52 Transportation: The receipt of Shipper's gas at input points on

Transporter's mainline transportation system (referred to as "Receipt

Points") and the delivery of thermally equivalent quantities by

Transporter to Shipper or for Shipper's account (after making allowance

for any requisite fuel reimbursement furnished in-kind) at other points

on Transporter's mainline transportation system (referred to as

"Delivery Points") regardless of the direction of flow of gas in

Transporter's pipelines between the Receipt and Delivery Points, or of

changes in such directions of flow. Transportation also means the

receipt of Shipper's gas for injection or liquefaction into

Transporter's storage facilities and the storage and subsequent

withdrawal or vaporization of thermally equivalent quantities, less fuel

use, for Shipper's account. All storage references in this tariff, shall

be considered to be a part of the term Transportation.

1.53 Transporter: Northwest Pipeline GP, Northwest or Transportation

Service Provider.