Puget Sound Energy, Inc.

Original Volume No. 1

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Effective Date: 10/01/2009, Docket: RP09-996-000, Status: Effective

Original Sheet No. 145 Original Sheet No. 145

AGREEMENT:

NOW, THEREFORE, in consideration of the premises and mutual covenants

contained herein, Northwest, Puget and Avista agree as follows:

1. Exhibits C, D and E of the Agreement are superseded by the revised form

of such Exhibits attached hereto.

2. This Amendment shall be binding upon and inure to the benefit of the

Owners hereto and any successors or assigns of such Owners.

3. This Amendment may be executed in any number of counterparts.

IN WITNESS WHEREOF, the Owners hereto have executed three duplicate

originals of this Amendment as of the date and year first written above.

NORTHWEST PIPELINE GP

By: /s/ Edward Brewer

Its: Director, Marketing Services

PUGET SOUND ENERGY, INC.

By: /s/ Clay Riding

Its: Director, Natural Gas Resources

AVISTA CORPORATION

By: /s/ Kevin Christie

Its: Director, Gas Supply