X0508 4 2025-10-15 0001013871 NRG ENERGY, INC. NRG 0002048902 Kinney Virginia 804 CARNEGIE CENTER PRINCETON NJ 08540 1 Exec VP, Chief Admin Officer 0 Common Stock, par value $.01 per share 2025-10-15 4 F 0 2522.0000 171.3300 D 63154.0000 D On October 15, 2022, the Reporting Person was issued 17,666 RSUs by NRG under the LTIP. On October 15, 2025, 5,901 shares vested. The Reporting Person elected to satisfy their tax obligation upon the exchange of Common Stock for RSUs having a value on the date of the exchange equal to the withholding obligation. This form reflects the surrender of 2,522 shares of Common Stock to satisfy the Reporting Person's tax withholding obligation. In connection with the vesting of the RSUs, 506 DERs vested, resulting in the Reporting Person holding 481 DERs in the aggregate. Christine Zoino, by Power of Attorney 2025-10-16