EXHIBIT (12)a PACIFICORP STATEMENTS OF COMPUTATION OF RATIO OF EARNINGS TO FIXED CHARGES 1993 1994 1995 1996 1997 --------- --------- --------- --------- --------- (IN MILLIONS OF DOLLARS) Fixed Charges, as defined:* Interest expense............................................. $ 333.5 $ 302.0 $ 336.4 $ 415.0 $ 439.8 Estimated interest portion of rentals charged to expense..... 4.8 5.6 4.5 4.1 6.6 Preferred dividends of wholly owned subsidiary............... -- -- -- 15.3 33.1 --------- --------- --------- --------- --------- Total fixed charges...................................... $ 338.3 $ 307.6 $ 340.9 $ 434.4 $ 479.5 --------- --------- --------- --------- --------- --------- --------- --------- --------- --------- Earnings, as defined:* Income from continuing operations............................ $ 371.8 $ 397.5 $ 402.0 $ 430.2 $ 225.4 Add (deduct): Provision for income taxes................................. 163.6 209.0 191.8 236.5 109.5 Minority interest.......................................... 2.7 1.3 1.4 1.8 1.9 Undistributed income of less than 50% owned affiliates..... (16.2) (14.7) (15.0) (18.2) (11.1) Fixed charges as above..................................... 338.3 307.6 340.9 434.4 479.5 --------- --------- --------- --------- --------- Total earnings........................................... $ 860.2 $ 900.7 $ 921.1 $ 1,084.7 $ 805.2 --------- --------- --------- --------- --------- --------- --------- --------- --------- --------- Ratio of Earnings to Fixed Charges............................. 2.5x 2.9x 2.7x 2.5x 1.7x --------- --------- --------- --------- --------- --------- --------- --------- --------- --------- - ------------------------ * "Fixed charges" represent consolidated interest charges, an estimated amount representing the interest factor in rents and preferred dividend requirements of majority-owned subsidiaries. "Earnings" represent the aggregate of (a) income from continuing operations, (b) taxes based on income from continuing operations, (c) minority interest in the income of majority-owned subsidiaries that have fixed charges, (d) fixed charges and (e) undistributed income of less than 50% owned affiliates without loan guarantees. S-1