X0508 4 2024-03-31 0001868275 Constellation Energy Corp CEG 0001257061 DE BALMANN YVES C 1310 POINT STREET BALTIMORE MD 21231 true false Common Stock (Deferred Stock Units) 2024-03-31 4 A 0 247 172.41 A 48579 D Common Stock 636 D Common Stock 203 I By de Balmann Family Holdings LLLP Phantom Deferred Stock Units Common Stock 49965 49965 D Balance includes approximately 99 shares acquired on March 19, 2024 through automatic dividend reinvestment. Balance has also been adjusted to reflect approximately 42 additional shares that were inadvertently excluded from the Form 4 filed by the reporting person on January 3, 2024. Phantom deferred stock units converted from the legacy Constellation Energy Group Inc. Deferred Compensation Plan for Non-employee Directors (the "Plan") that will be settled in cash on a 1-for-1 basis using the year-end price of Common Stock in the year of termination of the reporting person's service. Balance updated to reflect approximately 102 additional stock units credited on March 19, 2024 through the dividend reinvestment feature of the Plan. Balance has also been adjusted to reflect approximately 11 additional shares that were inadvertently excluded from the Form 4 filed by the reporting person on January 3, 2024. /s/ Brian Buck, Attorney-in-Fact for Yves de Balmann 2024-04-02