EXHIBIT 12 COMPUTATION OF RATIO OF EARNINGS TO FIXED CHARGES AND COMPUTATION OF RATIO OF EARNINGS TO COMBINED FIXED CHARGES AND PREFERRED AND PREFERENCE DIVIDEND REQUIREMENTS 12 MONTHS ENDED --------------------------------------------------------------- DECEMBER DECEMBER DECEMBER DECEMBER DECEMBER 1993 1992 1991 1990 1989 ----------- ----------- ----------- ----------- ----------- (IN THOUSANDS OF DOLLARS) Net Income................................................... $ 309,866 $ 264,347 $ 233,681 $ 175,446 $ 276,291 Taxes on Income.............................................. 140,833 105,994 88,041 22,818 84,704 ----------- ----------- ----------- ----------- ----------- Adjusted Net Income.......................................... $ 450,699 $ 370,341 $ 321,722 $ 198,264 $ 360,995 ----------- ----------- ----------- ----------- ----------- Fixed Charges: Interest and Amortization of Debt Discount and Expense and Premium on all Indebtedness............................... $ 199,415 $ 200,848 $ 213,616 $ 194,656 $ 167,503 Capitalized Interest....................................... 16,167 13,800 20,953 25,748 5,842 Interest Factor in Rentals................................. 2,144 2,033 1,801 1,840 2,388 ----------- ----------- ----------- ----------- ----------- Total Fixed Charges........................................ $ 217,726 $ 216,681 $ 236,370 $ 222,244 $ 175,733 ----------- ----------- ----------- ----------- ----------- Preferred and Preference Dividend Requirements: (1) Preferred and Preference Dividends......................... $ 41,839 $ 42,247 $ 42,746 $ 40,261 $ 32,381 Income Tax Required........................................ 18,763 16,729 15,916 5,166 9,779 ----------- ----------- ----------- ----------- ----------- Total Preferred and Preference Dividend Requirements....... $ 60,602 $ 58,976 $ 58,662 $ 45,427 $ 42,160 ----------- ----------- ----------- ----------- ----------- Total Fixed Charges and Preferred and Preference Dividend Requirements................................................ $ 278,328 $ 275,657 $ 295,032 $ 267,671 $ 217,893 ----------- ----------- ----------- ----------- ----------- Earnings (2)................................................. $ 652,258 $ 573,222 $ 537,139 $ 394,760 $ 530,886 ----------- ----------- ----------- ----------- ----------- Ratio of Earnings to Fixed Charges........................... 3.00 2.65 2.27 1.78 3.02 Ratio of Earnings to Combined Fixed Charges and Preferred and Preference Dividend Requirements............................ 2.34 2.08 1.82 1.47 2.44 <FN> - -------------------------- (1) Preferred and preference dividend requirements consist of an amount equal to the pre-tax earnings which would be required to meet dividend requirements on preferred stock and preference stock. (2) Earnings are deemed to consist of net income which includes earnings of BGE's consolidated subsidiaries, equity in the net income of BGE's unconsolidated subsidiary, income taxes (including deferred income taxes and investment tax credit adjustments), and fixed charges other than capitalized interest. 85