Puget Sound Energy, Inc.

Original Volume No. 1

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Effective Date: 06/24/2004, Docket: RP04-305-000, Status: Effective

Original Sheet No. 115 Original Sheet No. 115 : Effective

Exhibit D

(revised May 14, 2004, pursuant to Amendment No. 5)

to the

Jackson Prairie

Gas Storage Project Agreement

Owner's Shares of Storage Service Rights

Owner Firm Injection Capability Firm Withdrawal

Share Deliverability Share

Northwest 1/3 1/3

Avista 1/3 1/3

PSE 1/3 1/3

PROJECT 1 1

Best Efforts Withdrawal Firm Working Gas Capacity *

Owner Deliverability Share Share

Northwest 1/3 0.3197

Avista 1/3 0.3606

PSE 1/3 0.3197

1 1

Owner Cushion Gas Requirement *

Share

Northwest 0.3243

Avista 0.3514

PSE 0.3243

PROJECT 1

* The Owner's Shares are the stated shares adjusted, as necessary, to reflect

the respective participation levels by the Owners in the expanded cushion and

working gas capacities developed, month to month, during the current water

withdrawal/gas injection cycle of the 2002-2008 Expansion Project described in

Exhibit G.