Puget Sound Energy, Inc.

Original Volume No. 1

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Effective Date: 01/03/2004, Docket: RP04-100-000, Status: Effective

Original Sheet No. 101 Original Sheet No. 101 : Effective

Exhibit C

(revised February 28, 2003, pursuant to Amendment No. 3)

to the

Jackson Prairie

Gas Storage Project Agreement

Certificated Characteristics and Capabilities

Characteristics and Capabilities of the Jackson Prairie Storage Project for

the 2002-2003 Storage Cycle and thereafter: *

Project Cushion Gas Requirement Not less than 19.0 Bcf

Zone 2 Not less than 15.0 Bcf

Zone 9 Not less than 4.0 Bcf

Project Working Gas Capacity Not more than 18.3 Bcf

Zone 2 Not more than 17.3 Bcf

Zone 9 Not more than 1.0 Bcf

Project Gas Capacity Not more than 39.4 Bcf

Zone 2 Not more than 34.4 Bcf

Zone 9 Not more than 5.0 Bcf

Project Firm Withdrawal Deliverability Not more than 850,000 Mcf Daily

Project Best Efforts Deliverability Not more than 150,000 Mcf Daily

* In addition to the stated quantities, the certificated Characteristics and

Capabilities of the Jackson Prairie Storage Project include any portions of

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.