X0306 4 2022-06-01 0001013871 NRG ENERGY, INC. NRG 0001734706 Cox Heather 804 CARNEGIE CENTER PRINCETON NJ 08540 1 Common Stock, par value $.01 per share 2022-06-01 4 A 0 4155.0000 0 A 28931.0000 D Represents 4,155 Deferred Stock Units issued to the Reporting Person under NRG Energy, Inc.'s Amended and Restated Long-Term Incentive Plan. Each Deferred Stock Unit is equivalent in value to one share of NRG Energy, Inc.'s Common Stock, par value $.01 per share. The Reporting Person will receive from NRG Energy, Inc. one such share of Common Stock for each Deferred Stock Unit she owns upon termination of her service on NRG Energy, Inc.'s Board of Directors. Includes 964 dividend equivalent rights which reflects a de minimis adjustment to the number of dividend equivalent rights by 2 as a result of fractional rounding. Christine Zoino, by Power of Attorney 2022-06-03