Southwest Gas Storage Company

First Revised Volume No. 1

Effective Date: 02/23/2009, Docket: RP09-248-000, Status: Effective

Fourth Revised Sheet No. 124 Fourth Revised Sheet No. 124

Superseding: Third Revised Sheet No. 124

GENERAL TERMS AND CONDITIONS

(Continued)

6. CAPACITY RELEASE (Continued)

(2) For biddable releases (more than 1 year)

The timeline is the same as biddable releases for less

than 1 year except that the Releasing Shipper shall post

the Shipper Notice on the Messenger® system by 12:00

p.m. Central Time four (4) Business Days before award.

Open season ends no later than 1:00 p.m. Central Time on

the Business Day before timely nominations are due (open

season is three Business Days).

(3) Timeline for Releases with Special Conditions

If the Releasing Shipper specifies a bid evaluation

methodology other than highest rate, net revenue or

present value, or a permanent release or any other

special conditions, the above timelines shall apply;

provided, however, one additional Business Day will be

added to the evaluation period. Such extended

evaluation period shall cause gas flow to be at least

one day later than gas could flow under the timeline set

forth in Section 6.4(B)(1) or Section 6.4(B)(2).

of Maximum Rate, whichever is stated in the Shipper Notice,

include the required bid information and must be received and

posted electronically through the Messenger® system. Bids

shall be posted on the Messenger® system with any

contingencies identified and with the bidder's identity

deleted.

(D) A bidder may submit only one bid at a time in response to a

Shipper Notice. A bidder may withdraw its bid through the

Messenger® system at any time prior to the close of the

posting period specified in the Shipper Notice without

prejudice to its submitting another bid with an economic

value equal to or greater than the economic value of the

withdrawn bid.

(E) Where there is a PRS and a bid which is better than the bid

submitted by the PRS, Southwest shall notify the PRS by

2:00 p.m. Central Time on the Day capacity is awarded and the

PRS will have until 2:30 p.m. to match the better bid and

obtain the right to the released capacity.