THE AES CORPORATION AND SUBSIDIARIES Calculations of Ratio of Earnings to Fixed Charges (in thousands, unaudited) Three Months Ended Year Ended December 31, March 31, 1992 1993 1994 1995 1996 1997 --------- --------- --------- --------- --------- --------- As defined: Income from continuing operations before income taxes ...................................... $ 65,161 $ 89,392 $ 141,807 $ 163,655 $ 185,284 $ 55,758 Adjustment for undistributed income .................. (2,509) (10,578) (12,039) (14,254) (35,677) (16,000) Distributions from affiliates ........................ -- -- 6,116 17,499 15,781 -- Interest expense ..................................... 97,158 125,019 121,793 121,927 137,708 42,082 Depreciation of previously capitalized interest ...... 3,996 4,487 4,487 4,487 4,487 1,119 Net amortization of issuance costs ................... 2,775 2,558 3,500 4,630 5,818 2,004 --------- --------- --------- --------- --------- --------- Earnings ............................................. $ 166,581 $ 210,878 $ 265,664 $ 297,944 $ 313,401 $ 84,963 ========= ========= ========= ========= ========= ========= Interest expensed and capitalized amounts (including construction related fixed charges) .... $ 118,178 $ 126,965 $ 123,945 $ 131,934 $ 164,708 $ 54,014 Net amortization of issuance costs (including capitalized amounts) .............................. 3,120 2,558 3,500 4,630 5,818 2,004 --------- --------- --------- --------- --------- --------- Fixed charges ........................................ $ 121,298 $ 129,523 $ 127,445 $ 136,564 $ 170,526 $ 56,018 ========= ========= ========= ========= ========= ========= Ratio of earnings to fixed charges 1.37x 1.63x 2.08x 2.18x 1.84x 1.52x