X0306 4 2021-05-03 0001013871 NRG ENERGY, INC. NRG 0001636160 Callen David 804 CARNEGIE CENTER PRINCETON NJ 08540 1 Sr VP & Chief Accounting Offic Common Stock, par value $.01 per share 2021-05-03 4 A 0 83.0000 0 A 40652.0000 D Represents dividend equivalent rights accrued on the Reporting Person's deferred stock units, which become exercisable proportionately with the deferred stock units to which they relate and may only be settled in NRG common stock. Each dividend equivalent right is the economic equivalent of one share of NRG common stock. Includes 313 dividend equivalent rights and 143 shares acquired under NRG Energy, Inc.'s Employee Stock Purchase Plan since the Reporting Person's last filing. Christine Zoino, by Power of Attorney 2021-05-05