Southwest Gas Storage Company

First Revised Volume No. 1

Effective Date: 03/01/2004, Docket: RP04-146-000, Status: Effective

Second Revised Sheet No. 112 Second Revised Sheet No. 112 : Effective

Superseding: First Revised Sheet No. 112

GENERAL TERMS AND CONDITIONS

(Continued)

3. NOMINATION AND SCHEDULING OF SERVICES (Continued)

1:00 p.m. Completed confirmations from upstream and

downstream connected parties

2:00 p.m. Scheduled Quantities provided by Southwest to

affected Shippers, point operators and bumped

parties (notice to bumped parties)

5:00 p.m. Intra-day 1 nomination effective

Bumped parties shall be notified of such bump through the

Messenger system and the Web Site and by telephone and

facsimile transmission.

(2) The Intra-day 2 Nomination Cycle

5:00 p.m. Nomination leaves control of the Shipper

5:15 p.m. Receipt of nomination by Southwest

(including from title transfer tracking

service providers)

5:30 p.m. Southwest provides quick response for

validity of data elements

8:00 p.m. Completed confirmations from upstream and

downstream connected parties

9:00 p.m. Scheduled Quantities provided by Southwest to

Shipper and point operator

9:00 p.m. Intra-day 2 nomination effective

Bumping is not allowed during the Intra-day 2 Nomination

Cycle.

Any Shipper shall have the right for any Day to submit in

writing intra-day nominations for any storage service,

subject to operator confirmation and verification and

Southwest's operating conditions. Such intra-day nomination

shall conform to the requirements of Section 3.1(A) herein.