X0306 4 2023-01-23 0001109357 EXELON CORP EXC 0001908625 Littleton Gayle 10 S DEARBORN STREET 54TH FLOOR CHICAGO IL 60603 0 1 0 0 EVP & General Counsel Common Stock 2023-01-23 4 M 0 8004 A 10187 D Common Stock 2023-01-23 4 F 0 2505 41.82 D 7683 D 2023 Restricted Stock Units 0 2023-01-23 4 A 0 13928 A Common Stock 13928 13928 D 2022 Restricted Stock Units 0 2023-01-23 4 M 0 3554 D Common Stock 3554 7105 D 2021 Restricted Stock Units 0 2023-01-23 4 M 0 4450 D Common Stock 4450 4450 D Restricted Stock Unit Award 11/09/2020 0 Common Stock 28318 28318 D Common shares acquired from vested equity awards granted under the Exelon Long-term Incentive Plan (LTIP). Restricted stock unit (RSU) award granted under the Exelon LTIP. Award vests in 1/3 increments at the January or February meeting of the Exelon Compensation Committee with each RSU representing the right to receive one share of Exelon common stock upon vesting. The award accrues quarterly dividend equivalents in the form of additional RSUs representing common stock dividends as approved by the Board, which vest on the same schedule as the underlying RSU award. Vesting of previously granted RSU award under the Exelon LTIP. See footnote #2 for details about the award's terms and vesting schedule. The RSU award acquired 320 additional shares during 2022 through automatic dividend reinvestment. The RSU award acquired 267 additional shares during 2022 through automatic dividend reinvestment. RSU award granted under the LTIP with each RSU representing the right to receive one share of Exelon common stock upon vesting. Shares will cliff vest on December 31, 2023. The award accrues quarterly dividend equivalents in the form of additional RSUs representing common stock dividends as approved by the Board, which vest on the same schedule as the underlying RSU award. The RSU award acquired 850 additional shares during 2022 through automatic dividend reinvestment. Elizabeth M. Hensen, Attorney-in-Fact for Gayle Littleton 2023-01-25