UNITED STATES
                       SECURITIES AND EXCHANGE COMMISSION
                             Washington, D.C. 20549



                                    Form 8-K
                                  CURRENT REPORT


    Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934

         Date of Report (Date of earliest event reported) May 4, 1999


                             SOUTHWEST GAS CORPORATION
             (Exact name of registrant as specified in its charter)


              California                    1-7850               88-0085720
    (State or other jurisdiction of       (Commission         (I.R.S. Employer
     incorporation or organization)       File Number)       Identification No.)

        5241 Spring Mountain Road
          Post Office Box 98510
            Las Vegas, Nevada                                    89193-8510
(Address of principal executive offices)                         (Zip Code)


      Registrant's telephone number, including area code: (702) 876-7237





Item 5.    Other Events

On May 4, 1999, Southwest Gas Corporation (the Company) released summary
financial information to the general public, including the investment community,
regarding the Company's operating performance and financial position for the
quarter ended March 31, 1999. The financial information released is included
herein. This information is summary in nature and should not be considered
complete financial statements.


Item 7.    Exhibits

  99       Financial Analyst Report - First Quarter 1999




                                                     SIGNATURES


Pursuant to the requirements of the Securities Exchange Act of 1934, the
registrant has duly caused this report to be signed on its behalf by the
undersigned hereunto duly authorized.



                                                     SOUTHWEST GAS CORPORATION



Date:  May 4, 1999                                      /s/ EDWARD A. JANOV
                                                   -----------------------------
                                                          Edward A. Janov
                                                   Vice President/Controller and
                                                     Chief Accounting Officer

EXHIBIT 99 SOUTHWEST GAS CORPORATION SUMMARY STATEMENTS OF INCOME (In thousands, except per share amounts) (Unaudited) THREE MONTHS ENDED TWELVE MONTHS ENDED MARCH 31, MARCH 31, ----------------------------- ----------------------------- 1999 1998 1999 1998 - ---------------------------------------------------------------------------------------------------------------------- Gas operating revenues $ 279,110 $ 274,363 $ 804,344 $ 677,464 Net cost of gas sold 135,886 120,987 344,748 245,726 - ---------------------------------------------------------------------------------------------------------------------- Operating margin 143,224 153,376 459,596 431,738 Operations and maintenance expenses 53,566 50,850 211,888 203,561 Depreciation, amortization, and general taxes 29,123 27,274 113,726 105,583 - ---------------------------------------------------------------------------------------------------------------------- Operating income 60,535 75,252 133,982 122,594 Net interest deductions 14,632 16,025 60,891 63,515 Preferred securities distribution 1,369 1,369 5,475 5,475 - ---------------------------------------------------------------------------------------------------------------------- Pretax utility income 44,534 57,858 67,616 53,604 Utility income tax expense 17,385 22,254 28,595 16,736 - ---------------------------------------------------------------------------------------------------------------------- Net utility income 27,149 35,604 39,021 36,868 Other income (expense), net (84) 53 (2,783) (7,922) - ---------------------------------------------------------------------------------------------------------------------- Contribution to net income - gas operations 27,065 35,657 36,238 28,946 Contribution to net income - construction services 1,201 296 3,612 1,908 - ---------------------------------------------------------------------------------------------------------------------- Net income $ 28,266 $ 35,953 $ 39,850 $ 30,854 ====================================================================================================================== Earnings per share - gas operations $ 0.89 $ 1.30 $ 1.24 $ 1.06 Earnings per share - construction services 0.04 0.01 0.12 0.07 - ---------------------------------------------------------------------------------------------------------------------- Basic earnings per share $ 0.93 $ 1.31 $ 1.36 $ 1.13 ====================================================================================================================== Diluted earnings per share $ 0.92 $ 1.30 $ 1.35 $ 1.13 ====================================================================================================================== Average outstanding common shares 30,497 27,447 29,363 27,225 Average shares outstanding (assuming dilution) 30,753 27,605 29,591 27,358 See Notes to Summary Financial Statements.
SOUTHWEST GAS CORPORATION SUMMARY BALANCE SHEET AT MARCH 31, 1999 (In thousands) (Unaudited) ASSETS UTILITY PLANT Gas plant, net of accumulated depreciation $ 1,437,953 Construction work in progress 44,527 ------------- Net utility plant 1,482,480 ------------- OTHER PROPERTY AND INVESTMENTS Investment in construction services subsidiary 28,197 Other 44,780 ------------- Total other property and investments 72,977 ------------- CURRENT AND ACCRUED ASSETS Cash, working funds and temporary cash investments 10,006 Receivables - less reserve of $2,108 for uncollectibles 64,972 Accrued utility revenue 33,000 Deferred purchased gas costs 23,068 Other 28,120 ------------- Total current and accrued assets 159,166 ------------- DEFERRED DEBITS Unamortized debt expense 18,131 Other deferred debits 26,266 ------------- Total deferred debits 44,397 ------------- TOTAL ASSETS $ 1,759,020 ============= CAPITALIZATION AND LIABILITIES CAPITALIZATION Common stockholders' equity Common stock equity, $1 par, 30,555 shares outstanding $ 459,726 Retained earnings 41,505 ------------- Total common stockholders' equity 501,231 37.6 % Preferred securities of Southwest Gas Capital I, 9.125% 60,000 4.5 Long-term debt - NOTE 2 771,354 57.9 ------------- ----------------- Total capitalization 1,332,585 100.0 % ------------- ================= CURRENT AND ACCRUED LIABILITIES Notes payable 720 Accounts payable 52,012 Customer deposits 24,981 Taxes accrued (including income taxes) 66,415 Other 56,481 ------------- Total current and accrued liabilities 200,609 ------------- DEFERRED CREDITS Deferred investment tax credits 17,054 Deferred income taxes 157,765 Other 51,007 ------------- Total deferred credits 225,826 ------------- TOTAL CAPITALIZATION AND LIABILITIES $ 1,759,020 ============= See Notes to Summary Financial Statements.
SOUTHWEST GAS CORPORATION SUMMARY STATEMENT OF CASH FLOWS THREE MONTHS ENDED MARCH 31, 1999 (In thousands) (Unaudited) CASH FLOWS FROM OPERATING ACTIVITIES: Net income $ 28,266 Adjustments to reconcile net income to net cash provided by operating activities: Depreciation and amortization 21,911 Change in receivables and payables 21,028 Change in gas cost related balancing items 34,561 Change in accrued taxes 32,714 Change in deferred taxes (10,640) Allowance for funds used during construction (557) Other (2,224) ----------- Net cash provided by operating activities 125,059 ----------- CASH FLOWS FROM INVESTING ACTIVITIES: Construction expenditures (43,748) Other 2,029 ----------- Net cash used in investing activities (41,719) ----------- CASH FLOWS FROM FINANCING ACTIVITIES: Net proceeds from stock issuances 2,846 Dividends paid (6,252) Change in notes payable (51,280) Long-term debt issuances, net 1,000 Retirement of long-term debt (33,000) ----------- Net cash used in financing activities (86,686) ----------- Change in cash and temporary cash investments (3,346) Cash at beginning of period 13,352 ----------- Cash at end of period $ 10,006 =========== SUPPLEMENTAL INFORMATION: Interest paid, net of amounts capitalized $ 14,139 Income taxes, net of refunds $ 4,167 See Notes to Summary Financial Statements.
SOUTHWEST GAS CORPORATION NOTES TO SUMMARY FINANCIAL STATEMENTS (In thousands) (Unaudited) NOTE 1 - BASIS OF PRESENTATION: The summary financial statements have been prepared by Southwest Gas Corporation (the Company) using the equity method of accounting for its construction services subsidiary. This presentation is not in accordance with generally accepted accounting principles (GAAP), and certain information and footnote disclosures normally included in financial statements prepared in accordance with GAAP have been omitted. The summary financial statement presentation in this report produces the same net income as the consolidated financial statements and, in management's opinion, is a fair representation of the operations and contributions to net income of the Company's operating segments. NOTE 2 - LONG-TERM DEBT: Revolving credit facility, variable rate $ 167,000 Debentures and notes: Debentures, 9.75% series F, due 2002 100,000 Debentures, 7.50% series, due 2006 75,000 Debentures, 8% series, due 2026 75,000 Medium-term notes, 7.59% series, due 2017 25,000 Medium-term notes, 7.78% series, due 2022 25,000 Medium-term notes, 7.92% series, due 2027 25,000 Medium-term notes, 6.89% series, due 2007 17,500 Medium-term notes, 6.76% series, due 2027 7,500 Medium-term notes, 6.27% series, due 2008 25,000 Industrial development revenue bonds: Variable-rate bonds, Series A, due 2028 - net of funds held in trust 31,147 7.30% 1992 Series A, due 2027 30,000 7.50% 1992 Series B, due 2032 100,000 6.50% 1993 Series A, due 2033 75,000 Unamortized discount on long-term debt (6,793) ------------- TOTAL LONG-TERM DEBT $ 771,354 ============= ESTIMATED CURRENT MATURITIES $ -- =============
SOUTHWEST GAS CORPORATION SELECTED STATISTICAL DATA MARCH 31, 1999 FINANCIAL STATISTICS Market value to book value per share at quarter end 168% Twelve months to date return on equity -- total company 8.8% -- gas segment 8.4% Common stock dividend yield at quarter end 3.0% GAS OPERATIONS SEGMENT
Authorized Authorized Authorized Return on Rate Base Rate of Common Rate Jurisdiction (In thousands) Return Equity - -------------------------------- -------------- -------------- -------------- Arizona (1) $ 541,104 9.38% 11.25% Southern Nevada (1) 237,165 9.50 11.55 Northern Nevada (1) 63,986 9.67 11.55 Southern California 69,486 9.94 11.35 Northern California 21,917 10.02 11.35 Paiute Pipeline Company (1) 72,054 9.69 11.60 (1) Estimated amounts based on rate case settlements. SYSTEM THROUGHPUT BY CUSTOMER CLASS THREE MONTHS ENDED TWELVE MONTHS ENDED MARCH 31, MARCH 31, ------------------------------ ------------------------------ (In dekatherms) 1999 1998 1999 1998 - ------------------------------------------------------------------------------------------------------------------------------ Residential 25,609,991 27,948,401 56,355,757 54,328,952 Small commercial 9,869,700 10,305,324 26,558,059 25,552,999 Large commercial 1,866,347 2,057,455 7,741,455 7,673,862 Industrial / Other 2,458,566 2,376,968 16,787,587 9,026,219 Transportation 28,100,075 21,807,076 106,430,195 105,322,803 - ------------------------------------------------------------------------------- ------------------------------ --------------- Total system throughput 67,904,679 64,495,224 213,873,053 201,904,835 ============================================================================================================================== HEATING DEGREE DAY COMPARISON - ------------------------------------------------------------------------------------------------------------------------------ Actual 1,055 1,288 2,086 2,166 Ten-year average 1,137 1,151 2,025 2,025 ==============================================================================================================================