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. 148 Original Sheet No. 148

Exhibit E

(revised August 28, 2009 pursuant to Amendment No. 11)

to the

Jackson Prairie

Gas Storage Project Agreement

Storage Service Rights and Cushion Gas Requirement

(subject to the Operating Rules set forth on Exhibit F)

Part 1:

Firm

Owner Firm Injection Capability Withdrawal Deliverability

Mcf/Day Dth/Day 1/ Mcf/Day Dth/Day 1/

Northwest 141,666 147,332 383,332 398,666

Avista 141,667 147,334 383,334 398,667

PSE 141,667 147,334 383,334 398,667

PROJECT 425,000 442,000 1,150,000 1,196,000

Best Efforts

Owner Withdrawal Deliverability Firm Working Gas Capacity 2/ 3/

Mcf/Day Dth/Day 1/ Mcf Dth 1/

Northwest 50,000 52,000 7,443,506 7,741,246

Avista 50,000 52,000 8,200,000 8,528,000

PSE 50,000 52,000 7,443,506 7,741,246

PROJECT 150,000 156,000 23,087,012 24,010,492

Part 2:

Owner Cushion Gas Requirement 3/

Mcf Dth 1/

Northwest 6,929,006 7,206,166

Avista 7,433,334 7,730,668

PSE 6,929,006 7,206,166

PROJECT 21,291,346 22,143,000

1/ Thermal quantities are stated at an assumed Btu conversion factor of

1.040, however, actual thermal Capability, Deliverability, Capacity and

Requirement quantities will vary based on the quality of the actual gas

injected, withdrawn or stored.

2/ Working Gas Capacity is subject to temporary reduction pursuant to Section

5.7.6.

3/ In addition to the stated quantities, the Firm Working Gas Capacity and

Cushion Gas Requirement includes any portions of the expanded cushion and

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

withdrawal/gas injection cycle of the Capacity Expansion Project described in

Exhibit G.