X0201 4 2003-12-31 0 0000874761 AES CORPORATION aes 0001237640 LADER PHILIP C/O THE AES CORPORATION 1001 N. 19TH STREET ARLINGTON VA 22209 1 0 0 0 Units 0 2003-12-31 2003-12-31 4 A 0 1008 8.432 A 1988-08-08 1988-08-08 Common Stock 1008 4402 I Deferred Director Units Regarding conversion of derivative security, units will convert to Common Stock on a one for one basis after the participant retires or resigns from the Board of Directors pursuant to The AES Corporation Deferred Compensation Plan for Directors. Regarding exercise and expiration date, this date will depend on the retirement or resignation date of the participant from the Board of Directors. Upon such date, the participant may convert units earned into stock and take a distribution. Leith Mann Attorney In Fact For Philip Lader 2004-01-02