Exhibit 99 (f) System Energy Resources, Inc. Computation of Ratios of Earnings to Fixed Charges and Ratios of Earnings to Fixed Charges Twelve Months Ended December 31, March 31, 1990 1991 1992 1993 1994 1995 Fixed charges, as defined: Interest on long-term debt $230,644 $218,538 $196,618 $184,818 $162,517 $157,249 Interest on notes payable 0 0 0 0 88 111 Amortization of expense and premium on debt-net 10,532 7,495 6,417 4,520 6,731 6,571 Interest applicable to rentals 13,830 10,007 6,265 6,790 7,546 7,000 Other interest charges 1,460 3,617 1,506 1,600 7,168 9,466 ---------------------------------------------------------- Total fixed charges, as defined $256,466 $239,657 $210,806 $197,728 $184,050 $180,397 ========================================================== Earnings as defined: Net Income $168,677 $104,622 $130,141 $93,927 $5,407 $6,422 Add: Provision for income taxes: Federal and State 4,620 (26,848) 35,082 48,314 67,477 75,581 Deferred Federal and State - net 52,962 37,168 23,648 60,690 (27,374) 5,833 Investment tax credit adjustment - net 56,320 63,256 30,123 (30,452) (3,265) (3,265) Fixed charges as above 256,466 239,657 210,806 197,728 184,050 180,397 ---------------------------------------------------------- Total earnings, as defined $539,045 $417,855 $429,800 $370,207 $226,295 $264,968 ========================================================== Ratio of earnings to fixed charges, as defined 2.10 1.74 2.04 1.87 1.23 1.47 ==========================================================