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 3/31/95 Fixed Charges: Interest on First Mortgage Bonds. . . . . . . . $ 55,259 $ 52,933 $ 56,965 $ 53,771 $ 43,564 $ 42,884 Interest on Other Long-term Debt. . . . . . . . 33,170 30,202 26,330 23,504 24,725 24,883 Interest on Short-term Debt . . . . . . . . . . 1,282 2,564 1,614 1,085 1,883 2,031 Miscellaneous Interest Charges. . . . . . . . . 2,458 2,118 2,633 2,832 3,313 3,382 Estimated Interest Element in Lease Rentals . . 81,000 84,400 84,800 84,300 85,000 87,600 Total Fixed Charges. . . . . . . . . . . . $173,169 $172,217 $172,342 $165,492 $158,485 $160,780 Earnings: Net Income. . . . . . . . . . . . . . . . . . . $118,391 $136,932 $123,948 $129,313 $157,471 $150,883 Plus Federal Income Taxes . . . . . . . . . . . 43,855 45,985 30,915 41,552 35,029 44,414 Plus State Income Taxes . . . . . . . . . . . . 6,607 5,541 2,281 8,226 6,797 6,822 Plus Fixed Charges (as above) . . . . . . . . . 173,169 172,217 172,342 165,492 158,485 160,780 Total Earnings . . . . . . . . . . . . . . $342,022 $360,675 $329,486 $344,583 $357,782 $362,899 Ratio of Earnings to Fixed Charges. . . . . . . . 1.97 2.09 1.91 2.08 2.25 2.25