Southwest Gas Storage Company

First Revised Volume No. 1

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

Original Sheet No. 220 Original Sheet No. 220 : Effective

CAPACITY RELEASE

FORM OF SERVICE AGREEMENT

(Continued)

ARTICLE 2 - TERM

This Agreement shall be effective from the date first stated above

until , when this Agreement shall expire. Service

shall commence and remain effective for a term coincidental for each

capacity release term identified in each Addendum.

ARTICLE 3 - RATES AND CHARGES

For the services provided or contracted for hereunder (including

any Addendum 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Rate Schedule FSS may hereafter be modified, supplemented, superseded,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 right from time to time to unilaterally 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.