Press Releases

LAS VEGAS, Feb. 22 /PRNewswire-FirstCall/ -- Senior management of Southwest Gas Corporation (NYSE: SWX) is holding a conference call to discuss the Southwest 2007 fourth quarter and year-end results on Tuesday, March 4, 2008.

The conference call will follow the release of Southwest earnings results on Wednesday, February 27, 2008.

The call will also be webcast live on Southwest Web site at http://www.swgas.com.

    DATE:               TUESDAY, MARCH 4, 2008
    TIME:               1:00 P.M. (ET)
    Telephone number:   866-510-0707
    International
     telephone number:  617-597-5376
    Passcode:           63571651

A digital replay of the call can be accessed beginning at 3:00 p.m. (ET) on March 4, 2008 by dialing 888-286-8010 or 617-801-6888 for international calls; passcode: 25275901. The replay and webcast will be available through the close of business on Friday, March 14, 2008.

(Southwest Gas recommends the free download of Windows Media(R) Player 10 Series found at http://www.microsoft.com/windows/windowsmedia/default.aspx and at least a 56 kbps connection to the Internet. If you have "pop-up" blocking software installed, please press the CTRL key when you click the Register button. Please contact your network operations group if you are unable to override this feature.)

SOURCE Southwest Gas Corporation
02/22/2008
/CONTACT: Shareholders, Ken Kenny of Southwest Gas Corporation,
+1-702-876-7237/
/Web site: http://www.swgas.com /
(SWX)