UNION ELECTRIC COMPANY COMPUTATION OF RATIO OF EARNINGS TO FIXED CHARGES AND PREFERRED STOCK DIVIDENDS Year Ended December 31, 12 Months -------------------------------------------------------------- Ended June 30, 1993 1994 1995 1996 1997 1998 ---- ---- ---- ---- ---- ---- Thousands of Dollars Except Ratios Net Income $ 297,160 $ 320,757 $ 314,107 $ 304,876 $ 301,655 $ 296,936 Add- Extraordinary items net of tax -- -- -- -- 26,967 26,967 --------- --------- --------- --------- --------- --------- Net Income from continuing operations $ 297,160 $ 320,757 $ 314,107 $ 304,876 $ 328,622 $ 323,903 Add- Federal and state income taxes: Current 146,900 232,497 222,072 198,405 234,846 238,308 Deferred (net) 40,039 (20,208) (6,770) 4,160 (33,926) (38,635) Deferred investment tax credits, net (7,626) (6,182) (6,181) (6,182) (10,451) (10,116) Income tax applicable to nonoperating income 3,403 (2,280) (1,387) (173) 9,294 6,210 --------- --------- --------- --------- --------- --------- 182,716 203,827 207,734 196,210 199,763 195,767 --------- --------- --------- --------- --------- --------- Net income before income taxes 479,876 524,584 521,841 501,086 528,385 519,670 --------- --------- --------- --------- --------- --------- Add- fixed charges: Interest on long term debt 124,430 135,608 129,239 128,375 135,004 129,268 Rentals 1,314 1,299 3,330 3,458 3,727 3,495 Amortization of net debt premium, discount, expenses and losses 5,170 5,504 5,502 4,269 3,672 3,595 --------- --------- --------- --------- --------- --------- 130,914 142,411 138,071 136,102 142,403 136,358 --------- --------- --------- --------- --------- --------- Earnings as defined 610,790 666,995 659,912 637,188 670,788 656,028 ========= ========= ========= ========= ========= ========= Ratio of earnings to fixed charges 4.66 4.68 4.78 4.68 4.71 4.81 Earnings required for preferred dividends: Preferred stock dividends 14,087 13,252 13,250 13,249 8,817 8,817 Adjustment to pre-tax basis 7,450 7,262 7,558 7,363 4,509 4,229 --------- --------- --------- --------- --------- --------- 21,537 20,514 20,808 20,612 13,326 13,046 Fixed charges plus preferred stock dividend requirements 152,451 162,925 158,879 156,714 155,729 149,404 ========= ========= ========= ========= ========= ========= Ratio of earnings to fixed charges plus preferred stock dividend requirements 4.00 4.09 4.15 4.06 4.30 4.39 ========= ========= ========= ========= ========= =========