Puget Sound Energy, Inc.

Original Volume No. 1

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Effective Date: 06/03/2006, Docket: RP06-346-000, Status: Effective

Original Sheet No. 123 Original Sheet No. 123 : Effective

. .

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 CORPORATION

By: /s/ Allison G. Bridges

Its: Vice President, Commercial Operations

PUGET SOUND ENERGY, INC.

By: /s/ Wayne R. Gould

Its: Director, Natural Gas Resources

AVISTA CORPORATION

By: /s/ Ronald R. Peterson

Its: Vice President, Energy Resources