Is Holding a Conference Call to Discuss Southwest's 2002 Fourth Quarter And Year-End Results on Wednesday, February 19, 2003

The Conference Call Will be Held Following the Release of Company's Earnings Results on Tuesday, February 18, 2003.

   
The Call Also Will be Webcast Live on the Company's Website at www.swgas.com.

     DATE:               WEDNESDAY, FEBRUARY 19, 2003
     TIME:               10:30 A.M. (PST)
     U.S. number:        866-203-3923
     PIN number:         9356

A digital replay of the call can be accessed approximately one hour following the call by dialing 800/756-3819; passcode: 361813. The replay and webcast will be available through the close of business on Wednesday, February 26, 2003.

(Minimum requirements to listen to webcast: the Windows Media Player software, dowloadable free from http://www.microsoft.com/windows/windowsmedia/en/default.asp and at least a 28.8kbps connection to the Internet. If you experience problems listening to the broadcast, send an email to isproducers@prnewswire.com .)

Southwest Gas Corporation provides natural gas to approximately 1.4 million customers in Arizona, Nevada, and California. Its service territories are centered in the fastest-growing region of the country.

Contact: Investor Relations: Ken Kenny of Southwest Gas Corporation, +1-702-876-7237

SOURCE Southwest Gas Corporation