THE AES CORPORATION EXHIBIT 11 STATEMENTS REGARDING COMPUTATION OF EARNINGS PER SHARE FOR THE PERIODS ENDED JUNE 30, 1997 AND 1998 - ------------------------------------------------------------------------------------------------------------------------ THREE THREE SIX SIX MONTHS MONTHS MONTHS MONTHS ENDED ENDED ENDED ENDED 6/30/97 6/30/98 6/30/97 6/30/98 - ------------------------------------------------------------------------------------------------------------------------ ($ in millions, except per share amounts) BASIC WEIGHTED AVERAGE SHARES OUTSTANDING 163.4 175.6 159.5 175.4 ------- ------- ------- ------- NET INCOME $ 42 $ 71 $ 82 $ 136 ======= ======= ======= ======= PER SHARE AMOUNT $ 0.26 $ 0.41 $ 0.51 $ 0.77 ======= ======= ======= ======= DILUTED Weighted Average Number of Shares of Common Stock Outstanding 163.4 175.6 159.5 175.4 Net effect of Dilutive Stock Options and Warrants Based on the Treasury Stock Method Using Ending Market Price 4.3 4.7 4.2 4.6 Stock Units Allocated to the Deferred Compensation Plans for Executives and Directors 0.3 0.3 0.3 0.3 Effect of Tecons - Based on the If-Converted Method 0.0 6.9 0.0 6.9 ------- ------- ------- ------- WEIGHTED AVERAGE SHARES OUTSTANDING 168.0 187.5 164.0 187.2 ======= ======= ======= ======= NET INCOME $ 42 $ 71 $ 82 $ 136 Additional Contribution to Net Income if Tecons is fully converted 0 3 0 5 ------- ------- ------- ------- ADJUSTED NET INCOME $ 42 $ 74 $ 82 $ 141 ======= ======= ======= ======= PER SHARE AMOUNT $ 0.25 $ 0.39 $ 0.50 $ 0.75 ======= ======= ======= =======