X0306 4 2020-06-01 0 0001013871 NRG ENERGY, INC. NRG 0001227740 WEIDEMEYER THOMAS H NRG ENERGY, INC. 804 CARNEGIE CENTER PRINCETON NJ 08540 1 0 0 0 Common Stock, par value $.01 per share 2020-06-01 4 A 0 4905 A 78903 D Mr. Weidemeyer was issued Deferred Stock Units by NRG Energy, Inc. under NRG Energy, Inc.'s Amended and Restated Long Term Incentive Plan on June 1, 2020. Each Deferred Stock Unit was equivalent in value to one share of NRG Energy, Inc.'s Common Stock, par value $.01 per share. On June 1, 2020, Mr. Weidemeyer received from NRG Energy, Inc. one such share of Common Stock in exchange for each Deferred Stock Unit he was issued on that same date. /s/ Christine Zoino, by Power of Attorney 2020-06-03