Southwest Gas Storage Company

Original Volume No. 1

Effective Date: 01/20/1991, Docket: CP90-1014-002, Status: Effective

Original Sheet No. 207 Original Sheet No. 207 : Superseded

RATE SCHEDULE ISS

INTERRUPTIBLE STORAGE SERVICE

FORM OF STORAGE SERVICE AGREEMENT

(Continued)

For the information of Buyer, Exhibit A hereto states the rates and

charges anticipated to be effective and applicable to the service agreed

to hereunder as of the date first stated above; but, the terms of this

Rate Schedule ISS, other applicable provisions of Seller's Tariff, and

the Regulations and Orders of the Commission shall control in the event

of any conflict with the rates and charges stated on Exhibit A hereto.

ARTICLE 4 - FUEL REIMBURSEMENT

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

Article 3, Seller shall retain the percentage as stated on Exhibit A

hereto (or succeeding effective percentage) of the quantities received

from Buyer and injected hereunder and of the quantities redelivered to

Buyer and withdrawn hereunder for reimbursement in kind from Buyer for

fuel usage.

ARTICLE 5 - GENERAL TERMS AND CONDITIONS

The Storage Service Agreement and all terms for service hereunder

are subject to the further provisions of the General Terms and

Conditions of Rate Schedule ISS, as such may be modified, supplemented,

superseded or replaced generally or as to the service hereunder. Seller

reserves the unilateral right from time to time to file and to make

effective any such changes in the provisions of the General Terms and

Conditions, subject to the applicable provisions of the Natural Gas Act

and the Commission's Regulations thereunder. Such General Terms and

Conditions, as may be changed from time to time, are by this reference

incorporated in their entirety into this Agreement and made an integral

part hereof. Seller makes no representation, assurance or warranty that

capacity will be available on Seller's system at any time to provide

storage services and Buyer agrees that Seller shall bear no

responsibility or liability to any person if capacity does not exist on

any day to provide service hereunder.

ARTICLE 6 - SUCCESSION AND ASSIGNMENTS

This Agreement shall be binding upon and inure to the benefit of

any successor(s) to either Seller or Buyer by merger, consolidation or

acquisition. Either Seller or Buyer may assign or pledge this

Agreement and all rights and obligations hereunder under the provisions

of any mortgage, deed of trust, indenture or other instrument which it

has executed or may execute hereafter as security for indebtedness.