Idaho Power Company Consolidated Financial Information Supplemental Ratio of Earnings to Combined Fixed Charges and Preferred Dividend Requirements Twelve Months Twelve Months Ended December 31, Ended (Thousands of Dollars) June 30, 1989 1990 1991 1992 1993 1994 Computation of Ratio of Earnings to Fixed Charges: Consolidated net income $ 84,737 $ 69,241 $ 57,872 $ 59,990 $ 84,464 $ 79,883 Income taxes: Income taxes (includes amounts charged to other income and deductions) 45,336 26,418 24,321 24,601 38,057 34,881 Investment tax credit adjustment (3,295) (3,184) (3,177) (1,439) (1,583) (2,328) Total income taxes 42,041 23,234 21,144 23,162 36,474 32,553 Income before income taxes 126,778 92,475 79,016 82,152 120,938 112,436 Fixed Charges: Interest on long-term debt 49,629 50,119 54,370 53,408 53,706 51,378 Amortization of debt discount, expense and premium - net 238 309 374 392 507 560 Interest on short-term bank loans 2,200 1,027 935 647 220 323 Other interest 3,164 2,259 3,297 1,011 2,023 2,434 Interest portion of rentals 757 902 884 683 1,077 856 Total fixed charges 55,988 54,616 59,860 56,141 57,533 55,551 Suppl increment to fixed charges* 2,321 1,969 1,599 2,487 2,631 2,635 Supplemental fixed charges 58,309 56,585 61,459 58,628 60,164 58,186 Preferred dividend requirements 6,374 5,685 6,663 7,611 8,547 9,752 Total supplemental fixed charges and preferred dividends 64,683 62,270 68,122 66,239 68,711 67,938 Supplemental earnings - as defined $185,087 $149,060 $140,475 $141,780 $181,102 $170,622 Supplemental ratio of earnings to fixed charges and preferred dividends 2.86X 2.39X 2.06X 2.14X 2.64X 2.51X <FN> * Explanation of increment: Interest on the guaranty of American Falls Reservoir District Bonds and Milner Dam Inc. Notes which are already included in operating expense.