X0306 4 2021-08-10 0000874761 AES CORP AES 0001628839 Mendoza Tish 4300 WILSON BOULEVARD ARLINGTON VA 22203 1 EVP & Chief HR Officer Common Stock 2021-08-10 4 M 0 32028 11.17 A 158744 D Common Stock 2021-08-10 4 S 0 32028 24.38 D 126716 D Common Stock 25137 I by 401(k) Stock Option (Right to Buy) 11.17 2021-08-10 4 M 0 32028 0 D 2023-02-15 Common Stock 32028 0 D The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on May 11, 2021. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $24.12 to $24.61, inclusive. The reporting person undertakes to provide, upon request by the Securities and Exchange Commission Staff, the Issuer or a security holder of the Issuer, full information regarding the number of shares sold at each separate price within the ranges. Since the last Form 4 filing on February 25, 2021, the reporting person acquired 148 additional shares of AES Common Stock pursuant to The AES Corporation Retirement Savings Plan. This information is based on a plan statement dated August 9, 2021. This stock option award was granted on February 15, 2013 pursuant to The AES Corporation 2003 Long Term Compensation Plan and vested in three equal annual installments on February 15, 2014, February 15, 2015 and February 15, 2016. /s/ Megan Campbell, attorney-in-fact 2021-08-12