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. 64 First Revised Sheet No. 64

Superseding: Original Sheet No. 64

RATE SCHEDULE SGS-2I

Storage Gas Service - Interruptible

(Continued)

7. INJECTIONS FOR SHIPPER'S ACCOUNT (Continued)

7.2 Injection Limitation. Injections may be scheduled only to the

extent that injection and storage capacity is available to Transporter

which is not being utilized for Rate Schedule SGS-2F service or for

Transporter's balancing requirements.

In no event shall injections result in the balance of gas stored in

Shipper's account exceeding Shipper's Interruptible Storage Capacity.

8. TRANSFER OF WORKING GAS INVENTORY

Shippers that are subject to this Rate Schedule may agree to

transfer their respective Jackson Prairie Working Gas Inventories to any

capacity holder in the Jackson Prairie Storage facility under Rate

Schedule SGS-2F, SGS-2I, and PAL whose contractual rate is equal to or

greater than the transferring capacity holder's contractual rate.

Participating Shippers must notify Transporter's Marketing Services

personnel of their intent to transfer such inventory, in writing, prior

to the beginning of the gas day in which such transfer will occur.

Transfers of Working Gas Inventory may not result in any Shipper taking

title to quantities that exceed such Shipper's contractual rights.

Pursuant to the January 15, 1998 Gas Storage Project Agreement,

owners of the Jackson Prairie Storage Project may transfer portions of

their respective available working gas inventories, as defined in the

Project Agreement, to each other. Upon agreement of the parties, and

subject to the terms of the Project Agreement, Transporter may utilize

its ownership account on behalf of a Rate Schedule SGS-2I Shipper to

transfer such Shipper's Working Gas Inventory to an owner's available

working gas inventory account. Conversely, an owner may transfer its

available working gas inventory to a Rate Schedule SGS-2I Shipper's

Working Gas Inventory account.