Southwest Gas Storage Company

First Revised Volume No. 1

Effective Date: 12/15/1999, Docket: RP00- 58-000, Status: Effective

Original Sheet No. 201 Original Sheet No. 201 : Effective

RATE SCHEDULE FSS

FIRM STORAGE SERVICE

FORM OF STORAGE SERVICE AGREEMENT

(Continued)

ARTICLE 2 - TERM

This Agreement shall become effective from the date first stated

above. This Agreement shall remain effective for a term of

____________________________ from the initial date for service and

thereafter shall continue in effect until terminated by Southwest or

Shipper upon at least six (6) months prior written notice to the other,

as of any date not earlier than the date of expiration of the primary

term.

ARTICLE 3 - RATES AND CHARGES

For the services provided or contracted for hereunder, Shipper

agrees to pay Southwest the then-effective applicable rates and charges

under Southwest's Rate Schedule FSS filed with the Commission, as such

rates and charges and Rate Schedule FSS may hereafter be modified,

supplemented, superseded, or replaced generally or as to the service

hereunder. Southwest reserves the unilateral right from time to time to

file and to make effective any such changes in the terms or rate levels

under Rate Schedule FSS and the applicability thereof, the General Terms

and Conditions or any other provisions of Southwest's Tariff, subject to

the applicable provisions of the Natural Gas Act and the Commission's

Regulations thereunder.

ARTICLE 4 - FUEL REIMBURSEMENT

In addition to collection of the rates and charges provided for in

Article 3, Southwest shall retain the percentage as stated on the

effective Tariff Sheet No. 5 of the Quantities received from Shipper and

injected hereunder and of the Quantities redelivered to Shipper and

withdrawn hereunder for reimbursement in kind from Shipper for fuel

usage.