Exhibit 11 AES CORPORATION STATEMENTS REGARDING COMPUTATION OF EARNINGS PER SHARE FOR THE PERIODS ENDING MARCH 31, 2000 AND 1999 (Unaudited) THREE MONTHS ENDED ------------------------------- March 31, 2000 March 31, 1999 -------------- -------------- ($ in millions, except per share amounts) BASIC Weighted average shares outstanding 207.1 180.6 ======= ======= Income before extraordinary item $ 181.4 $ (13) Extraordinary Item (7.00) -- ------- ------- Net income $ 174.4 $ (13) ======= ======= Basic earnings per share before Extraordinary item $ 0.88 $ (0.07) Extraordinary item (0.03) -- ------- ------- $ 0.85 $ (0.07) ======= ======= DILUTED Weighted average number of shares of common stock outstanding 207.1 180.6 Net effect of dilutive stock options and warrants based on the treasury stock method using ending market price 5.0 -- Stock units allocated to the deferred compensation plans for executives and directors 0.2 -- Effect of tecons-based on the if-converted method 15.1 -- ------- ------- Weighted average shares outstanding 227 180.6 ======= ======= Income before extraordinary item $ 181.4 $ (13) Additional contribution to net income if tecons fully converted 6.8 -- ------- ------- Adjusted net income before extraordinary item 188.2 (13) Extraordinary item (7) ------- ------- Adjusted net income $ 181.2 $ (13) ======= ======= Diluted items per share before extraordinary item 0.83 (0.07) Extraordinary item (0.03) -- ------- ------- Total diluted earnings per share $ 0.80 $ (0.07) ======= =======