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 1990 1991 1992 1993 1994 6/30/95 Fixed Charges: Interest on First Mortgage Bonds. . . $ 55,259 $ 52,933 $ 56,965 $ 53,771 $ 43,564 $ 43,410 Interest on Other Long-term Debt. . . 33,170 30,202 26,330 23,504 24,725 25,083 Interest on Short-term Debt . . . . . 1,282 2,564 1,614 1,085 1,883 1,645 Miscellaneous Interest Charges. . . . 2,458 2,118 2,633 2,832 3,313 3,479 Estimated Interest Element in Lease Rentals . . . . . . . . . . . 81,000 84,400 84,800 84,300 85,000 87,300 Total Fixed Charges. . . . . . . $173,169 $172,217 $172,342 $165,492 $158,485 $160,917 Earnings: Net Income. . . . . . . . . . . . . . $118,391 $136,932 $123,948 $129,313 $157,471 $147,382 Plus Federal Income Taxes . . . . . . 43,855 45,985 30,915 41,552 35,029 44,550 Plus State Income Taxes . . . . . . . 6,607 5,541 2,281 8,226 6,797 8,132 Plus Fixed Charges (as above) . . . . 173,169 172,217 172,342 165,492 158,485 160,917 Total Earnings . . . . . . . . . $342,022 $360,675 $329,486 $344,583 $357,782 $360,981 Ratio of Earnings to Fixed Charges. . . 1.97 2.09 1.91 2.08 2.25 2.24