Exhibit 99(a) Entergy Arkansas, Inc. Computation of Ratios of Earnings to Fixed Charges and Ratios of Earnings to Combined Fixed Charges and Preferred Dividends March 31, 1991 1992 1993 1994 1995 1996 Fixed charges, as defined: Interest on long-term debt $133,854 $120,317 $107,771 $101,439 $102,339 $100,175 Interest on notes payable -- 117 349 1,311 678 803 Amortization of expense and premium on debt-net(cr) 1,112 1,359 2,702 4,563 4,514 4,580 Other interest 1,303 2,308 8,769 3,501 7,806 5,594 Interest applicable to rentals 21,969 17,657 16,860 19,140 18,158 19,330 ----------------------------------------------------------- Total fixed charges, as defined 158,238 141,758 136,451 129,954 133,495 130,482 Preferred dividends, as defined (a) 31,458 32,195 30,334 23,234 27,636 27,424 ----------------------------------------------------------- Combined fixed charges and preferred dividends, as defined $189,696 $173,953 $166,785 $153,188 $161,131 $157,906 =========================================================== Earnings as defined: Net Income $143,451 $130,529 $205,297 $142,263 $136,666 $145,220 Add: Provision for income taxes: Federal & State 44,418 57,089 58,162 83,300 105,964 127,256 Deferred - net 11,048 3,490 34,748 (17,939) (28,225) (45,734) Investment tax credit adjustment - net (1,600) (9,989) (10,573) (36,141) (5,658) (5,380) Fixed charges as above 158,238 141,758 136,451 129,954 133,495 130,482 ----------------------------------------------------------- Total earnings, as defined $355,555 $322,877 $424,085 $301,437 $342,242 $351,844 =========================================================== Ratio of earnings to fixed charges, as defined 2.25 2.28 3.11 2.32 2.56 2.70 =========================================================== Ratio of earnings to combined fixed charges and preferred dividends, as defined 1.87 1.86 2.54 1.97 2.12 2.23 =========================================================== - ------------------------ (a) "Preferred dividends," as defined by SEC regulation S-K, are computed by dividing the preferred dividend requirement by one hundred percent (100%) minus the income tax rate.