Definitive Additional Materials

SCHEDULE 14A INFORMATION

(RULE 14A-101)

INFORMATION REQUIRED IN PROXY STATEMENT

SCHEDULE 14A INFORMATION

Proxy Statement Pursuant to Section 14(a) of the

Securities Exchange Act of 1934

Filed by the Registrant    x

Filed by a Party other than the Registrant    ¨

Check the appropriate box:

 

¨    Preliminary Proxy Statement   

¨    Confidential, for Use of the Commission 

        Only(as permitted by Rule 14a-6(e)(2))

¨    Definitive Proxy Statement   
x    Definitive Additional Materials   
¨    Soliciting Material Under Rule 14a-11(c) or Rule 14a-12

Southwest Gas Corporation

 

(Name of Registrant as Specified In Its Charter)

  

 

(Name of Person(s) Filing Proxy Statement, if Other Than the Registrant)

Payment of Filing Fee (Check the appropriate box):

 

  x No fee required.

 

  ¨ Fee computed on table below per Exchange Act Rules 14a-6(i)(1) and 0-11.

 

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  (3)  Per unit price or other underlying value of transaction computed pursuant to Exchange Act Rule 0-11 (Set forth the amount on which the filing fee is calculated and state how it was determined):

  

 

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  ¨ Fee paid previously with preliminary materials.

 

  ¨ Check box if any part of the fee is offset as provided by Exchange Act Rule 0-11(a)(2) and identify the filing for which the offsetting fee was paid previously. Identify the previous filing by registration statement number, or the form or schedule and the date of its filing.

 

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Important Notice Regarding the Internet Availability of

Proxy Materials for the Annual Shareholder Meeting to be Held on May 6, 2010.

SOUTHWEST GAS CORPORATION

5241 Spring Mountain Road

Las Vegas, Nevada 89150

This communication presents only an overview of the more complete proxy materials that are available to you on the Internet. We encourage you to access and review all of the important information contained in the proxy materials before voting.

The Notice of 2010 Annual Meeting of Shareholders, Proxy Statement,

Annual Report, and Proxy Card are now available on-line at

http://www.swgas.com/proxymaterials.

To view these materials, you will need your 6-digit Control #(s), which is located above your name and address on this Notice.

If you want to receive a paper or e-mail copy of the above listed documents, you must request a copy. There is no charge to you for requesting a copy. To facilitate timely delivery, please make your request for a copy as instructed below on or before April 28, 2010.

You may request materials in one of three ways as follows:

1) Internet: http://www.swgas.com/proxymaterials 2) Telephone: 800-331-1119 or 702-876-7280 3) *E-mail: srs@swgas.com

 

* If requesting material by e-mail, please send a blank e-mail with only your 6-digit Control # in the subject line. Your control number is located on this Notice above your name and address.

The Annual Meeting of Shareholders of Southwest Gas Corporation will be held on Thursday, May 6, 2010 at 10:00 A.M. PDT at the Las Vegas Chamber of Commerce, 6671 Las Vegas Blvd. South, Suite 300, Las Vegas, Nevada.

You can vote in one of four ways:

 

1.    LOGO    Vote by telephone. Please visit http://www.swgas.com/proxymaterials to access the proxy materials and proxy card and to obtain the toll free number to call. There is NO CHARGE to you for this call. Vote anytime until 11:59 P.M. PDT on May 5, 2010.
2.    LOGO    Vote by internet at our internet address: http://www.swgas.com/proxymaterials. Use the Internet to access the proxy card. Have this Notice in hand when you access the Web site and follow the instructions. Vote your shares anytime until 11:59 P.M. PDT on May 5, 2010.
3.    LOGO    Vote by mail. You may request a Proxy Card by: (1) contacting our Shareholder Services Department at (800) 331-1119 or (702) 876-7280; (2) internet at http://www.swgas.com/proxymaterials; or (3) e-mail at srs@swgas.com. Mark, sign and date your Proxy Card and return to Southwest Gas Corporation, LVA-150, P. O. Box 98511, Las Vegas, NV 89193-8511.
4.    LOGO    Vote in person. Directions to attend the Annual Meeting and vote in person are included on the map on page M-1 of the Notice of 2010 Annual Meeting of Shareholders and Proxy Statement. If you own your shares in street name through a broker or other nominee, you must provide proof of identification and proof that you were the owner of the shares on March 9, 2010.

 

Items to be Voted on      

The Board of Directors recommends a vote “FOR” the Nominees (Proposal 1) and Auditor Selection (Proposal 2) set forth below.

 

  1. Election of Directors (Proposal 1); and

 

NOMINEES:
01 Robert L. Boughner   05 LeRoy C. Hanneman, Jr.   09 Michael J. Melarkey
02 Thomas E. Chestnut   06 James J. Kropid   10 Jeffrey W. Shaw
03 Stephen C. Comer   07 Michael O. Maffie   11 Thomas A. Thomas
04 Richard M. Gardner   08 Anne L. Mariucci   12 Terrence L. Wright

 

  2. To ratify the selection of PricewaterhouseCoopers LLP as the in dependent registered public accounting firm for the Company for fiscal year 2010 (Proposal 2).

Note: To conduct such other business as may properly come before the meeting or any adjournment thereof.