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Southwest Gas Corporation Announces 2006 Earnings
LAS VEGAS, Feb 27, 2007 /PRNewswire-FirstCall via COMTEX News Network/ -- Southwest Gas Corporation (NYSE: SWX) announced consolidated earnings of $2.07 per basic share for 2006, a $0.92 per share increase from the $1.15 per basic share earned in 2005. The current-year results include a benefit of approximately $0.07 per share related to a nonrecurring property tax settlement reached in the second quarter of 2006. The 2005 results reflect a $0.16 per share nonrecurring charge related to an injuries and damages incident. Consolidated net income for 2006 was $83.9 million, compared to $43.8 million during 2005.

According to Jeffrey W. Shaw, Chief Executive Officer, "2006 was a very encouraging year for our company. The solid improvement in operating results principally reflected the realization of much needed rate relief in Arizona. Of the $49 million annualized Arizona rate relief approved effective March 2006, approximately $35 million in incremental operating margin was recognized in 2006." Shaw also cited "continued customer growth, and a $2.2 million increased contribution to net income from our pipeline construction subsidiary" as factors in the net change. Shaw noted that "the operating results confirm that our principal strategies are working, however, there is still improvement to be made. We hope to continue to work with regulators to improve the level and stability of earnings and cash flows going forward."

During the fourth quarter of 2006, consolidated net income was $46.7 million, or $1.12 per basic share, versus $30.3 million, or $0.77 per basic share, for the fourth quarter of 2005.

                    Natural Gas Operations Segment Results

Full Year 2006

Operating margin, defined as operating revenues less the cost of gas sold, increased $66 million in 2006 as compared to 2005. During 2006, the Company added 71,000 customers, an increase of four percent. New customers contributed $26 million in incremental operating margin. Rate relief in Arizona and California added $37 million. Differences in heating demand caused primarily by weather variations between periods resulted in a $3 million operating margin increase as warmer-than-normal temperatures were experienced during both periods (during 2006, operating margin was negatively impacted by $16 million, while the negative impact in 2005 was $19 million).

Operating expenses increased $11 million, or two percent, in 2006. On a comparative basis, general increases in operations and maintenance costs as well as incremental costs (including depreciation) associated with serving additional customers were substantially offset by the property tax benefit recognized in 2006 and the effect of a $10 million nonrecurring charge related to an injuries and damages incident recognized in 2005. Adjusting for these two items, operating expenses would have increased approximately five percent.

Other income improved $5 million primarily due to increased interest income on higher deferred purchased gas cost balances and interest income on the property tax settlement. Net financing costs rose $4 million, or four percent, between periods primarily due to higher variable-rate interest costs and an increase in average debt outstanding to help finance growth.

Fourth Quarter

Operating margin increased approximately $24 million when compared to the fourth quarter of 2005. Rate relief in Arizona and California added $13 million and customer growth contributed an incremental $5 million. Differences in heating demand caused primarily by weather variations between periods resulted in a $6 million operating margin increase as temperatures during the fourth quarter of 2006 returned to more normal levels from the warmer-than-normal temperatures experienced during the fourth quarter of 2005. Operating expenses increased $1.5 million, or one percent, primarily due to higher employee-related costs, uncollectible expenses, and incremental operating costs associated with serving additional customers. The prior period included a $10 million nonrecurring charge related to an injuries and damages incident. Net financing costs between the periods were relatively flat as strong cash flows reduced the need for short-term borrowings.

Southwest Gas Corporation provides natural gas service to 1,784,000 customers in Arizona, Nevada, and California. Its service territory is centered in the fastest-growing region of the country.

This press release may contain statements which constitute "forward-looking statements" within the meaning of the Securities Litigation Reform Act of 1995 (Reform Act). All such forward-looking statements are intended to be subject to the safe harbor protection provided by the Reform Act. A number of important factors affecting the business and financial results of the Company could cause actual results to differ materially from those stated in the forward-looking statements. These factors include, but are not limited to, the impact of weather variations on customer usage, customer growth rates, changes in natural gas prices, the ability to recover costs through the PGA mechanism, the effects of regulation/deregulation, the timing and amount of rate relief, changes in rate design, changes in gas procurement practices, changes in capital requirements and funding, the impact of conditions in the capital markets on financing costs, changes in construction expenditures and financing, changes in operations and maintenance expenses, future liability claims, changes in pipeline capacity for the transportation of gas and related costs, acquisitions and management's plans related thereto, competition, and the ability to raise capital in external financings. In addition, the Company can provide no assurance that its discussions regarding certain trends relating to its financing, operations, and maintenance expenses will continue in future periods.



                  SOUTHWEST GAS CONSOLIDATED EARNINGS DIGEST
                   (In thousands, except per share amounts)

    YEAR ENDED DECEMBER 31,                           2006           2005

    Consolidated Operating Revenues               $2,024,758     $1,714,283
    Net Income                                       $83,860        $43,823
    Average Number of Common Shares Outstanding       40,566         38,132
    Basic Earnings Per Share                           $2.07          $1.15
    Diluted Earnings Per Share                         $2.05          $1.14

    QUARTER ENDED DECEMBER 31,
    Consolidated Operating Revenues                 $565,115       $496,995
    Net Income                                       $46,707        $30,255
    Average Number of Common Shares Outstanding       41,587         39,174
    Basic Earnings Per Share                           $1.12          $0.77
    Diluted Earnings Per Share                         $1.11          $0.76


SOURCE Southwest Gas Corporation

Media, Cynthia Messina, +1-702-876-7132, or Shareholders, Ken Kenny, +1-702-876-7237,
both of Southwest Gas Corporation

http://www.swgas.com