Puget Sound Energy, Inc.

Original Volume No. 1

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Effective Date: 09/30/2008, Docket: RP08-597-000, Status: Effective

Original Sheet No. 134 Original Sheet No. 134


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This Amendment is entered into as of the 29th day of August, 2008, by

and between Northwest Pipeline GP ("Northwest"), a Delaware partnership, Puget

Sound Energy, Inc. ("Puget"), a Washington corporation and Avista Corporation

("Avista"), a Washington corporation, collectively "the Owners."




A. WHEREAS, Northwest, Puget and Avista are parties to that certain

Jackson Prairie Gas Storage Project ("Storage Project") Agreement dated

January 15, 1998, as amended ("Agreement");


B. WHEREAS, a phased expansion of the storage capacity in the Storage

Project has been authorized, as described in a prior notice application

filed with the Federal Energy Regulatory Commission in Docket No. CP02-



C. WHEREAS, the procedures applicable to the development of the

authorized phased storage capacity expansion, as set forth in Exhibit G

to the Agreement, specify that the expansion phases are based on a March

through February water withdrawal/gas injection cycle;


D. WHEREAS, Article 4.6 of the Agreement provides that interim

amendments to Exhibits C, D, E and F (as appropriate) will be made upon

completion of each phase of a phased expansion;


E. WHEREAS, the Owners desire to amend Exhibits C, D and E to reflect

the February 29, 2008 completion of the sixth phase of the authorized

storage capacity expansion;


F. WHEREAS, the Owners also desire to amend Exhibit F to reflect

their decision to slightly liberalize the Operating Rules to allow an

Owner to utilize 100% of its respective Seasonal Working Gas Quantity

for the Storage Cycle even if the Owner's Working Gas Inventory is only

97%full on the first day of the Storage Cycle;