Northwest Pipeline Corporation G P

Fourth Revised Volume No. 1

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

Original Sheet No. 284 Original Sheet No. 284 : Effective

GENERAL TERMS AND CONDITIONS

(Continued)

27. PUBLIC TRANSPORTATION INFORMATION

27.1 Capacity Allocation Log. Transporter shall maintain a capacity

allocation log pursuant to 18 CFR Section 250.16(c) of the Commission's

regulations. Transporter will maintain and update such capacity

allocation data for energy affiliates on its Designated Site.

27.2 Posting of Discounted Rates. If Transporter posts generally

applicable discounted rates for any of its transportation or storage

services, notice shall be given via Transporter's Designated Site.

Other discounts will be granted on a case-by-case basis. All discount

data will be maintained as required by 18 CFR Section 250.16(d) of the

Commission's regulations. Pursuant to 18 CFR Section 358.5(d) of the

Commission's regulations, any offer of a discount made by Transporter

will be posted on Transporter's Designated Site contemporaneously with

the time that the offer is contractually binding.

27.3 Posting of Available Capacity. Transporter has very limited

capacity on its system available for firm transportation. Available

capacity will be posted on the Designated Site. Capacity that is posted

pursuant to Section 25.2 of the General Terms and Conditions will be

awarded only as set forth in Section 25. Any shipper desiring firm

transportation requiring the construction of new capacity should submit

a written request for such service which will be evaluated by

Transporter. Additionally, any Shipper may solicit capacity as a

Potential Replacement Shipper as set forth in Section 22 of the General

Terms and Conditions.

27.4 Posting of Interruptible Capacity. Requests for interruptible

transportation may exceed capacity on Transporter's system. Therefore,

capacity is available only pursuant to the priority of service

procedures set forth in Section 12 of the General Terms and Conditions.

The availability of interruptible capacity will be posted to

Transporter's Designated Site.