Transaction Details

Footnotes

The Reporting Person was issued 69,588 Relative Performance Stock Units ("RPSUs") by NRG Energy, Inc. under NRG's Amended and Restated Long-Term Incentive Plan ("LTIP") that vested subject to certain performance conditions on January 2, 2026. | In connection with the vesting of the RPSUs described above, an incremental 5,560 Dividend Equivalent Rights vested. Each DER is the economic equivalent of one share of Common Stock. | Represents Restricted Stock Units issued to the Reporting Person under the LTIP. Each RSU is equivalent in value to one share of NRG Common Stock, par value .01 per share. 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 anniversary date of the first grant. | On January 2, 2025, the Reporting Person was issued 9,028 RSUs by NRG under the LTIP. On January 2, 2026, 3,006 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 1,199 shares of Common Stock to satisfy the Reporting Person's tax withholding obligation. In connection with the vesting of the RSUs, 40 DERs vested, resulting in the Reporting Person holding 249 DERs in the aggregate. | On January 2, 2024, the Reporting Person was issued 13,463 RSUs by NRG under the LTIP. On January 2, 2026, 4,483 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 1,830 shares of Common Stock to satisfy the Reporting Person's tax withholding obligation. In connection with the vesting of the RSUs, 166 DERs vested, resulting in the Reporting Person holding 289 DERs in the aggregate. | On January 2, 2023, the Reporting Person was issued 21,053 RSUs by NRG under the LTIP. On January 2, 2026, 7,032 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 3,046 shares of Common Stock to satisfy the Reporting Person's tax withholding obligation. In connection with the vesting of the RSUs, 561 DERs vested, resulting in the Reporting Person holding 455 DERs in the aggregate. | The Reporting Person elected to satisfy their tax withholding obligation upon the exchange of Common Stock for Relative Performance Stock Units (RPSUs) having a value on the date of the exchange equal to the withholding obligation. This form reflects the surrender of 29,571 shares of Common Stock to satisfy the Reporting Person's tax withholding obligation. | This transaction was executed in multiple trades. The price reported reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected. The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person. | On January 2, 2026, the Reporting Person was issued 9,393 RPSUs by NRG under the LTIP that vest on January 2, 2029, subject to certain performance conditions.