X0306 4 2017-02-17 0000874761 AES CORP AES 0001286143 HACKENSON ELIZABETH 4300 WILSON BOULEVARD ARLINGTON VA 22203 1 Sr. VP and CIO Common Stock 2017-02-17 4 F 0 1244 11.46 D 85990 D Common Stock 2017-02-17 4 F 0 1767 11.46 D 84223 D Common Stock 9961 I by 401(k) Reflects tax withholding paid in connection with the vesting and settlement of one-third of the Restricted Stock Units ("RSUs") granted February 20, 2015. There was no transaction in the market. Reflects tax withholding paid in connection with the vesting and settlement of one-third of the RSUs granted February 19, 2016. There was no transaction in the market. Since the last Form 4 filing on February 23, 2016, the reporting person acquired 735 additional shares of AES Common Stock pursuant to The AES Corporation Retirement Savings Plan. The information in this report is based on a plan statement dated February 17, 2017. /s/ Elizabeth Hackenson 2017-02-22