<Page> EXHIBIT 99 TXU GAS COMPANY AND SUBSIDIARIES CONDENSED STATEMENTS OF CONSOLIDATED INCOME (UNAUDITED) <Table> <Caption> TWELVE MONTHS ENDED JUNE 30, ------------------- 2001 2000 ------- ------- MILLIONS OF DOLLARS Operating revenues..................................... $ 8,045 $ 4,737 ------- ------- Operating expenses Energy purchased for resale........................ 7,507 4,182 Operation and maintenance.......................... 340 355 Depreciation and other amortization................ 64 63 Goodwill amortization.............................. 21 21 Taxes other than income............................ 94 60 ------- ------- Total operating expenses....................... 8,026 4,681 ------- ------- Operating income ...................................... 19 56 Other income (deductions) - net........................ 14 69 -------- ------- Income before interest, other charges and income taxes. 33 125 Interest income........................................ 15 -- Interest expense and other charges..................... (90) (76) ------- ------- Income (loss) before income taxes...................... (42) 49 Income tax expense (benefit)........................... (7) 13 ------- ------- Net income (loss)...................................... (35) 36 Preferred stock dividends.............................. 4 4 ------- ------- Net income (loss) applicable to common stock........... $ (39) $ 32 ======= ======= </Table>