144 0001937313 XXXXXXXX LIVE 0001819142 SES AI CORP 001-39845 C/O SES AI CORPORATION 35 CABOT ROAD WOBURN MA 01801 339-298-8750 Kyle Pilkington Officer Class A Common Stock ETrade

3 Edison Dr Alpharetta GA 30005

4276 3467 313656338 08/12/2024 NYSE Class A Common Stock 08/08/2024 RSU vesting Issuer N 12270 08/08/2024 Compensation Y Reflects shares to be sold to satisfy withholding tax obligations upon the vesting of restricted stock units, pursuant to a Rule 10b5-1 instruction adopted by the Reporting Person on August 9, 2022. 08/12/2024 08/09/2022 /s/ Kyle Pilkington