Exhibit 99(f) System Energy Resources, Inc. Computation of Ratios of Earnings to Fixed Charges and Ratios of Earnings to Fixed Charges September 30, 1996 1997 1998 1999 2000 2001 Fixed charges, as defined: Total Interest $143,720 $128,653 $116,060 $147,982 $118,519 $145,261 Interest applicable to rentals 6,223 6,065 5,189 3,871 5,753 5,057 ---------------------------------------------------------- Total fixed charges, as defined $149,943 $134,718 $121,249 $151,853 $124,272 $150,318 ========================================================== Earnings as defined: Net Income $98,668 $102,295 $106,476 $82,375 $93,745 $102,257 Add: Provision for income taxes: Total 82,121 74,654 77,263 53,851 81,263 51,310 Fixed charges as above 149,943 134,718 121,249 151,853 124,272 150,318 ---------------------------------------------------------- Total earnings, as defined $330,732 $311,667 $304,988 $288,079 $299,280 $303,885 ========================================================== Ratio of earnings to fixed charges, as defined 2.21 2.31 2.52 1.90 2.41 2.02 ==========================================================