X0306 4 2023-01-02 0001013871 NRG ENERGY, INC. NRG 0001940921 Chung Bruce 804 CARNEGIE CENTER PRINCETON NJ 08540 1 EVP, Strategy and NRG Services Common Stock, par value $.01 per share 2023-01-02 4 A 0 19365.0000 0.0000 A 46828.0000 D Common Stock, par value $.01 per share 2023-01-02 4 F 0 628.0000 0.0000 D 46200.0000 D Common Stock, par value $.01 per share 2023-01-02 4 F 0 643.0000 0.0000 D 45557.0000 D Common Stock, par value $.01 per share 2023-01-02 4 F 0 861.0000 0.0000 D 44696.0000 D Relative Performance Stock Units 2023-01-02 4 J 0 8067.0000 0.0000 D 2023-01-02 2023-01-02 Common Stock, par value $.01 per share 8067.0000 0.0000 D Relative Performance Stock Units 0.0000 2023-01-02 4 A 0 32005.0000 0.0000 A 2026-01-02 2026-01-02 Common Stock, par value $.01 per share 32005.0000 32005.0000 D Represents Restricted Stock Units ("RSUs") issued to the Reporting Person under the LTIP. Each RSU is equivalent in value to one share of NRG's Common Stock, par value $.01 per share ("Common Stock"). The Reporting Person will receive from NRG one such share of Common Stock for each RSU that will vest ratably over a three-year period beginning on the first anniversary date of the grant. On January 2, 2020, the Reporting Person was issued 4,283 RSUs by NRG under the LTIP. On January 2, 2023, 1,431 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 628 shares of Common Stock to satisfy the Reporting Person's tax withholding obligation. In connection with the vesting of the RSUs, 156 DERs vested, resulting in the Reporting Person holding 503 DERs in the aggregate. On January 2, 2021, the Reporting Person was issued 4,559 RSUs by NRG under the LTIP. On January 2, 2023, 1,518 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 643 shares of Common Stock to satisfy the Reporting Person's tax withholding obligation. In connection with the vesting of the RSUs, 107 DERs vested, resulting in the Reporting Person holding 396 DERs in the aggregate. On January 2, 2022, the Reporting Person was issued 6,502 RSUs by NRG under the LTIP. On January 2, 2023, 2,165 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 861 shares of Common Stock to satisfy the Reporting Person's tax withholding obligation. In connection with the vesting of the RSUs, 78 DERs vested, resulting in the Reporting Person holding 318 DERs in the aggregate. The Reporting Person did not vest in shares associated with RPSUs granted on January 2, 2020 because of performance conditions. On January 2, 2023, the Reporting Person was issued 32,005 RPSUs by NRG under the LTIP that vest on January 2, 2026, subject to certain performance conditions. Christine Zoino, by Power of Attorney 2023-01-04