EXHIBIT 12 INDIANA MICHIGAN POWER COMPANY Computation of Consolidated Ratio of Earnings to Fixed Charges (in thousands except ratio data) Twelve Months Year Ended December 31, Ended 1991 1992 1993 1994 1995 6/30/96 Fixed Charges: Interest on First Mortgage Bonds. . . $ 52,933 $ 56,965 $ 53,771 $ 43,564 $ 43,410 $ 43,109 Interest on Other Long-term Debt. . . 30,202 26,330 23,504 24,725 23,564 20,622 Interest on Short-term Debt . . . . . 2,564 1,614 1,085 1,883 2,003 3,015 Miscellaneous Interest Charges. . . . 2,326 2,866 3,039 3,520 3,472 3,406 Estimated Interest Element in Lease Rentals . . . . . . . . . . . 84,400 84,800 84,300 85,000 82,700 82,700 Total Fixed Charges. . . . . . . $172,425 $172,575 $165,699 $158,692 $155,149 $152,852 Earnings: Net Income. . . . . . . . . . . . . . $136,963 $123,983 $129,344 $157,502 $141,092 $138,198 Plus Federal Income Taxes . . . . . . 43,263 28,191 38,826 32,303 55,990 60,142 Plus State Income Taxes . . . . . . . 6,760 1,547 7,492 6,063 7,058 6,818 Plus Fixed Charges (as above) . . . . 172,425 172,575 165,699 158,692 155,149 152,852 Total Earnings . . . . . . . . . $359,411 $326,296 $341,361 $354,560 $359,289 $358,010 Ratio of Earnings to Fixed Charges. . . 2.08 1.89 2.06 2.23 2.31 2.34