X0306 4 2018-02-19 1 0000874761 AES CORP AES 0001348872 miller brian a 4300 WILSON BOULEVARD ARLINGTON VA 22203 1 EVP, General Counsel and Secy Common Stock 2018-02-19 4 F 0 3147 10.45 D 224484 D Common Stock 2018-02-20 4 F 0 1982 10.40 D 222502 D Common Stock 43216 I By 401(k) Plan Reflects tax withholding in connection with the vesting and settlement of one-third of the Restricted Stock Units ("RSUs") granted February 19, 2016. There was no transaction in the market. Reflects tax withholding in connection with the vesting and settlement of one-third of the RSUs granted February 20, 2015. There was no transaction in the market. Since the last Form 4 filing in which such shares were reported on November 14, 2017, the reporting person acquired 1000 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 21, 2018. /s/Brian A. Miller 2018-02-21