SOUTHWEST GAS CORPORATION EXHIBIT 99 SUMMARY STATEMENTS OF INCOME (In thousands, except per share amounts) (Unaudited) THREE MONTHS ENDED SIX MONTHS ENDED TWELVE MONTHS ENDED JUNE 30, JUNE 30, JUNE 30, --------------------- --------------------- --------------------- 1997 1996 1997 1996 1997 1996 --------- --------- --------- --------- --------- --------- Gas operating revenues $ 107,740 $ 102,713 $ 319,304 $ 291,065 $ 574,600 $ 528,857 Net cost of gas sold 36,723 36,688 121,322 115,157 193,745 188,947 --------- --------- --------- --------- --------- --------- Operating margin 71,017 66,025 197,982 175,908 380,855 339,910 Operations and maintenance expenses 49,407 48,260 97,855 95,471 200,748 189,718 Depreciation, amortization, and general taxes 25,814 23,721 51,426 47,854 99,171 93,153 --------- --------- --------- --------- --------- --------- Operating income (loss) (4,204) (5,956) 48,701 32,583 80,936 57,039 Net interest deductions 15,195 13,055 29,456 26,008 56,451 53,002 Preferred securities distribution 1,369 1,369 2,738 2,738 5,475 3,651 --------- --------- --------- --------- --------- --------- Pretax utility income (loss) (20,768) (20,380) 16,507 3,837 19,010 386 Utility income tax expense (benefit) (8,112) (8,285) 6,328 1,124 7,201 (923) --------- --------- --------- --------- --------- --------- Net utility income (loss) (12,656) (12,095) 10,179 2,713 11,809 1,309 Other income (expense), net (91) (294) (390) (243) (571) (683) --------- --------- --------- --------- --------- --------- Contribution to net income (loss) - gas operations (12,747) (12,389) 9,789 2,470 11,238 626 Contribution to net income (loss) - construction services (1) 446 (969) 446 1,240 446 Discontinued operations - PriMerit Bank -- -- -- -- -- (18,342) --------- --------- --------- --------- --------- --------- Net income (loss) (12,748) (11,943) 8,820 2,916 12,478 (17,270) Preferred dividends -- -- -- -- -- 117 --------- --------- --------- --------- --------- --------- Net income (loss) applicable to common stock $ (12,748) $ (11,943) $ 8,820 $ 2,916 $ 12,478 $ (17,387) ========= ========= ========= ========= ========= ========= Earnings (loss) per share - gas operations $ (0.47) $ (0.48) $ 0.36 $ 0.10 $ 0.42 $ 0.02 Earnings (loss) per share - construction services -- 0.02 (0.03) 0.02 0.05 0.02 Earnings (loss) per share - discontinued operations -- -- -- -- -- (0.74) --------- --------- --------- --------- --------- --------- Earnings (loss) per share of common stock $ (0.47) $ (0.46) $ 0.33 $ 0.12 $ 0.47 $ (0.70) ========= ========= ========= ========= ========= ========= Average outstanding common shares 27,002 25,817 26,910 25,211 26,733 24,773 ========= ========= ========= ========= ========= ========= The summary statements of income 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). However, it 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. /TABLE SOUTHWEST GAS CORPORATION SUMMARY BALANCE SHEET AT JUNE 30, 1997 (In thousands) (Unaudited) ASSETS UTILITY PLANT Gas plant, net of accumulated depreciation $ 1,286,792 Construction work in progress 32,985 ------------ Net utility plant 1,319,777 ------------ OTHER PROPERTY AND INVESTMENTS Investment in construction services subsidiary 26,426 Other 43,002 ------------ Total other property and investments 69,428 ------------ CURRENT AND ACCRUED ASSETS Cash, working funds and temporary cash investments 5,352 Receivables - less reserve of $1,548 for uncollectibles 25,077 Accrued utility revenue 20,541 Deferred purchased gas costs 57,476 Other 27,315 ------------ Total current and accrued assets 135,761 ------------ DEFERRED DEBITS Unamortized debt expense 19,207 Other deferred debits 26,233 ------------ Total deferred debits 45,440 ------------ TOTAL ASSETS $ 1,570,406 ============ CAPITALIZATION, LIABILITIES AND DEFERRED CREDITS CAPITALIZATION Common stockholders' equity Common stock equity, $1 par, 27,089 shares outstanding $ 383,661 Retained earnings (accumulated deficit) (152) ------------ Total common stockholders' equity 383,509 32.3% Preferred securities of Southwest Gas Capital I, 9.125% 60,000 5.1 Long-term debt - NOTE 3 744,531 62.6 ------------ -------- Total capitalization 1,188,040 100.0% ------------ ======== CURRENT AND ACCRUED LIABILITIES Notes payable 86,000 Accounts payable 26,379 Customer deposits 21,693 Other 53,983 ------------ Total current and accrued liabilities 188,055 ------------ DEFERRED CREDITS Deferred investment tax credits 18,572 Deferred income taxes 133,745 Other 41,994 ------------ Total deferred credits 194,311 ------------ TOTAL CAPITALIZATION, LIABILITIES AND DEFERRED CREDITS $ 1,570,406 ============ See Notes to Summary Financial Statements. /TABLE SOUTHWEST GAS CORPORATION SUMMARY STATEMENT OF CASH FLOWS SIX MONTHS ENDED JUNE 30, 1997 (In thousands) (Unaudited) CASH FLOWS FROM OPERATIONS: Net income $ 8,820 Adjustments to reconcile net income to net cash provided from operating activities: Depreciation and amortization 36,315 Change in receivables and payables 29,982 Change in gas cost related balancing items (68,935) Change in accrued taxes (13,739) Change in deferred taxes 26,331 Allowance for funds used during construction (911) Other 11,039 --------- Net cash provided by operating activities 28,902 --------- CASH FLOWS FROM INVESTING ACTIVITIES: Construction expenditures (76,712) Other (5,296) --------- Net cash used in investing activities (82,008) --------- CASH FLOWS FROM FINANCING ACTIVITIES: Net proceeds from stock issuances 6,166 Dividends paid (11,020) Change in notes payable (35,000) Long-term debt issuances, net 92,871 --------- Net cash provided by financing activities 53,017 --------- Change in cash and temporary cash investments (89) Cash at beginning of period 5,441 --------- Cash at end of period $ 5,352 ========= SUPPLEMENTAL INFORMATION: Interest paid, net of amounts capitalized $ 28,359 Income taxes, net of refunds $ (2,762) 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 - DISCONTINUED OPERATIONS: In January 1996, the Company reached an agreement to sell PriMerit Bank (PriMerit) to Norwest Corporation. Discontinued operations includes the net income of PriMerit and its subsidiaries on a stand-alone basis as adjusted, reduced by allocated carrying costs associated with the Company's investment in PriMerit (principally interest) net of taxes. Discontinued operations also includes the loss on the disposition. The sale of PriMerit to Norwest was completed in July 1996. NOTE 3 - LONG-TERM DEBT: Term loan facility $ 200,000 Debentures: Debentures, 9.75% series F, due 2002 100,000 Debentures, 7 1/2% series, due 2006 75,000 Debentures, 8% series, due 2026 75,000 Medium-term notes: 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 Industrial development revenue bonds - net of funds held in trust 226,710 Unamortized discount on long-term debt (7,179) ---------- TOTAL LONG-TERM DEBT $ 744,531 ========== ESTIMATED CURRENT MATURITIES $ -- ========== SOUTHWEST GAS CORPORATION SUMMARY STATEMENTS OF INCOME (In thousands, except per share amounts) (Unaudited) SIX MONTHS ENDED TWELVE MONTHS ENDED JUNE 30, JUNE 30, -------------------------- ------------------------- 1997 1996 1997 1996 - ------------------------------------------------------------------------------------------------------------------------- Gas operating revenues $ 319,304 $ 291,065 $ 574,600 $ 528,857 Net cost of gas sold 121,322 115,157 193,745 188,947 - ------------------------------------------------------------------------------------------------------------------------- Operating margin 197,982 175,908 380,855 339,910 Operations and maintenance expenses 97,855 95,471 200,748 189,718 Depreciation, amortization, and general taxes 51,426 47,854 99,171 93,153 - ------------------------------------------------------------------------------------------------------------------------- Operating income 48,701 32,583 80,936 57,039 Net interest deductions 29,456 26,008 56,451 53,002 Preferred securities distribution 2,738 2,738 5,475 3,651 - ------------------------------------------------------------------------------------------------------------------------- Pretax utility income 16,507 3,837 19,010 386 Utility income tax expense 6,328 1,124 7,201 (923) - ------------------------------------------------------------------------------------------------------------------------- Net utility income 10,179 2,713 11,809 1,309 Other income (expense), net (390) (243) (571) (683) - ------------------------------------------------------------------------------------------------------------------------- Contribution to net income (loss) - gas operations 9,789 2,470 11,238 626 Contribution to net income (loss) - construction services (969) 446 1,240 446 Discontinued operations - PriMerit Bank - NOTE 2 -- -- -- (18,342) - ------------------------------------------------------------------------------------------------------------------------- Net income (loss) 8,820 2,916 12,478 (17,270) Preferred dividends -- -- -- 117 - ------------------------------------------------------------------------------------------------------------------------- Net income (loss) applicable to common stock $ 8,820 $ 2,916 $ 12,478 $ (17,387) ========================================================================================================================= Earnings per share - gas operations $ 0.36 $ 0.10 $ 0.42 $ 0.02 Earnings (loss) per share - construction services (0.03) 0.02 0.05 0.02 Earnings (loss) per share - discontinued operations -- -- -- (0.74) - ------------------------------------------------------------------------------------------------------------------------- Earnings (loss) per share of common stock $ 0.33 $ 0.12 $ 0.47 $ (0.70) ========================================================================================================================= Average outstanding common shares 26,910 25,211 26,733 24,773 ========================================================================================================================= See Notes to Summary Financial Statements. /TABLE <CSPTION> SOUTHWEST GAS CORPORATION SELECTED STATISTICAL DATA JUNE 30, 1997 FINANCIAL STATISTICS Market value to book value per share at quarter end 140% Twelve months to date return on equity -- total company 3.3% -- gas segment 3.2% Common stock dividend yield at quarter end 4.1% GAS OPERATIONS SEGMENT Authorized Authorized Authorized Return on Rate Base Rate of Common Rate Jurisdiction (In thousands) Return Equity - ------------------------ ------------- --------- --------- Central Arizona $ 267,348 9.13% 10.75% Southern Arizona 157,620 9.12 11.00 Southern Nevada 237,165 9.50 11.55 Northern Nevada 63,986 9.67 11.55 Southern California 69,486 9.94 11.35 Northern California 9,521 10.02 11.35 Paiute Pipeline Company 61,057 10.09 12.50 SYSTEM THROUGHPUT BY CUSTOMER CLASS SIX MONTHS ENDED TWELVE MONTHS ENDED JUNE 30, JUNE 30, ------------------------- -------------------------- (In dekatherms) 1997 1996 1997 1996 - -------------------------------------------------------------------------------------------------------------------------- Residential 32,420,431 28,320,580 49,373,150 41,704,732 Small commercial 14,490,813 13,845,218 24,257,249 22,874,442 Large commercial 4,044,736 4,084,374 7,610,136 7,858,394 Industrial / Other 3,659,318 2,900,420 6,057,093 5,829,712 Transportation 45,544,144 42,930,403 99,434,472 97,566,915 - -------------------------------------------------------------------------------------------------------------------------- Total system throughput 100,159,442 92,080,995 186,732,100 175,834,195 ========================================================================================================================== HEATING DEGREE DAY COMPARISON - -------------------------------------------------------------------------------------------------------------------------- Actual 1,407 1,250 2,053 1,682 Ten-year average 1,400 1,419 2,019 2,038 ========================================================================================================================== /TABLE