X0508 4 2024-03-31 0001868275 Constellation Energy Corp CEG 0001588300 Harrington Charles L. 1310 POINT STREET BALTIMORE MD 21231 true false Common Stock (Deferred Stock Units) 2024-03-31 4 A 0 247 172.41 A 4037 D Common Stock 25 I By Trust Common Stock 15 I By Spouse's Trust Deferred Compensation - Phantom Share Equivalents 2024-03-31 4 A 0 223 184.85 A Common Stock 223 3914 D Balance includes approximately 8 shares acquired on March 19, 2024 through automatic dividend reinvestment. Balance has also been adjusted to reflect approximately 33 additional shares that were inadvertently excluded from the Form 4 filed by the reporting person on January 3, 2024. Phantom share equivalents acquired in the reporting person's Constellation Energy Corporation stock fund account that is part of a multi-fund, non-qualified deferred compensation plan and will be settled in cash on a 1-for-1 basis upon termination of the reporting person's service. The balance of phantom share equivalents may fluctuate due to periodic changes in the fund composition. Balance also reflects approximately 7 share equivalents accrued on March 19, 2024 through dividend reinvestment. /s/ Brian Buck, Attorney-in-Fact for Charles Harrington 2024-04-02