X0306 4 2013-02-15 0000874761 AES CORP AES 0001117295 WOOD MARY E 4300 WILSON BOULEVARD ARLINGTON VA 22203 1 VP & Controller Common Stock 2013-02-15 4 F 0 1461 11.17 D 17104 D Common Stock 13531 I By 401(k) Plan Units 2013-02-15 4 A 0 1790 11.17 A Common Stock 1790 5095 D Reflects tax withholding in connection with settlement of one third (each) previously reported 2011 and 2012 RSU awards. This includes a 6% (of base salary) discretionary retirement savings award granted pursuant to The AES Retirement Savings Plan (the "Plan") as determined by The AES Corporation Board of Directors on February 15, 2013 subject to applicable IRS contribution limits. The closing stock price on February 15, 2013 was used to determine the number of shares awarded. Between February 22, 2012 and February 15, 2013, this reporting person acquired an additional 1,165 shares of AES Common stock under the Plan, which are included in this amount. These units were awarded pursuant to the Restoration Supplemental Retirement Plan (the "Restoration Plan"). Generally, units under the Restoration Plan shall be paid out in cash following termination of employment or later as per the terms of the Restoration Plan document. Each unit represents a hypothetical AES investment equal to one share of AES Common Stock and units under the Restoration Plan are 100% vested upon award. /s/ Mary E. Wood 2013-02-20