EXHIBIT 12 INDIANA MICHIGAN POWER COMPANY Computation of Consolidated Ratio of Earnings to Fixed Charges (in thousands except ratio data) Year Ended December 31, 1998 1999 2000 2001 2002 Fixed Charges: Interest on First Mortgage Bonds. . . . . . . . $ 35,910 $ 31,442 $ 24,154 $ 21,647 $ 19,458 Interest on Other Long-term Debt. . . . . . . . 27,457 38,623 55,977 56,597 71,837 Interest on Short-term Debt . . . . . . . . . . 4,903 9,207 19,263 13,088 439 Miscellaneous Interest Charges. . . . . . . . . 3,113 6,754 20,356 3,929 4,961 Estimated Interest Element in Lease Rentals . . 79,300 73,800 74,100 74,000 72,400 Total Fixed Charges. . . . . . . . . . . . $150,683 $159,826 $193,850 $169,261 $169,095 Earnings: Net Income (Loss) . . . . . . . . . . . . . . . $ 96,628 $ 32,776 $(132,032) $ 75,788 $ 73,992 Plus Federal Income Taxes . . . . . . . . . . . 47,210 18,866 (4,524) 49,725 44,647 Plus State Income Taxes . . . . . . . . . . . . 4,938 (7,352) 9,237 9,442 190 Plus Fixed Charges (as above) . . . . . . . . . 150,683 159,826 193,850 169,261 169,095 Total Earnings . . . . . . . . . . . . . . $299,459 $204,116 $ 66,531 $304,216 $287,924 Ratio of Earnings to Fixed Charges. . . . . . . . 1.98 1.27 0.34 1.79 1.70