Northwest Pipeline Corporation G P

Fourth Revised Volume No. 1

Effective Date: 01/31/2008, Docket: RP08-130-000, Status: Effective

Original Sheet No. 297 Original Sheet No. 297 : Effective

GENERAL TERMS AND CONDITIONS

(Continued)

32. SALES OF EXCESS GAS

32.1 Applicability. Transporter is not providing a sales service under

any Rate Schedule of this Tariff, but may buy and sell gas in connection

with providing storage and transportation services. Specifically,

Transporter may have gas supplies in de minimis quantities or in limited

or infrequent situations which it may choose to sell. Such sales are

authorized pursuant to Transporter's blanket sales certificate.

Circumstances under which Transporter may acquire gas to sell are

described below:

(a) pursuant to Section 15.11, at the termination of a

transportation Service Agreement, the Shipper has 15 days after

the invoice date to remove from Transporter's system any imbalance

gas resulting from gas received by Transporter in excess of that

delivered to Receiving Party for Shipper; otherwise, such gas

becomes the property of Transporter;

(b) pursuant to Section 15.10(b), any excess Shipper Imbalance

gas, resulting from confirmed nominations by Shipper exceeding

deliveries by Transporter, that is not reduced to allowed

tolerance levels within fifteen days from the date of Northwest's

invoice becomes the property of Northwest;

fails to withdraw or vaporize, as applicable, all gas inventory

within three days of termination of the replacement agreement,

such gas becomes the property of Transporter;

(d) pursuant to Section 2.2 of Rate Schedule SGS-2I or Section

2.4 of Rate Schedule LS-2I, a Shipper utilizing interruptible

storage service generally has seven days in which to withdraw

Working Storage Gas Inventory from storage after receiving notice;

otherwise, the gas becomes the property of Transporter;

(e) as authorized by the Commission, Transporter may reduce the

levels of storage gas inventory which it owns and maintains to

accommodate transportation balancing;

(f) as authorized by the Commission, Transporter may reduce the

levels of Jackson Prairie storage facility cushion gas and/or test

gas which it owns;