Puget Sound Energy, Inc.

Original Volume No. 1

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Effective Date: 11/01/1999, Docket: CP98-250-003, Status: Effective

Original Sheet No. 92 Original Sheet No. 92 : Effective

Exhibit E

(dated January 16, 1998)

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)

Btu conversion factor = 1.040 (the thermal amounts on this Exhibit are the product of the volumetric amounts and the Btu conversion factor)

Part 1:

Owner

Firm

Injection Capability

Firm

Withdrawal Deliverability

Mcf/Day

MMBtu/Day

Mcf/Day

MMBtu/Day

Northwest

141,666

147,332

283,332

294,666

Water Power

141,667

147,334

283,334

294,667

PSE

141,667

147,334

283,334

294,667

PROJECT

425,000

442,000

850,000

884,000

Owner

Best Efforts

Withdrawal Deliverability

Firm Working Gas Capacity *

Mcf/Day

MMBtu/Day

Mcf

MMBtu

Northwest

50,000

52,000

6,100,000

6,344,000

Water Power

50,000

52,000

6,100,000

6,344,000

PSE

50,000

52,000

6,100,000

6,344,000

PROJECT

150,000

156,000

18,300,000

19,032,000

*Quantities subject to temporary reduction pursuant to Section 5.7.6

Part 2:

Owner

Cushion Gas Requirement

Mcf

MMBtu

Northwest

6,333,332

6,586,666

Water Power

6,333,334

6,586,667

PSE

6,333,334

6,586,667

PROJECT

19,000,000

19,760,000