NRG

SEC source: 0001225208-22-000324 · doc4.xml · nonDerivative · entry 8

Killinger Elizabeth R · CIK 0001662519 · Exec VP, NRG Home

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 146,145

F11 · price: In connection with the vesting of the RPSUs described above, an incremental 944 DERs vested. Dividend equivalent rights accrue on the Reporting Person's restricted stock units, market stock units orrelative performance stock units, which become exercisable proportionately with the restricted stock units, market stock units or relative performance stock units to which they relate and may only be settled inNRG common stock. Each dividend equivalent right is the economic equivalent of one share of NRG common stock.

SEC source: 0001225208-22-000324 · doc4.xml · nonDerivative · entry 7

Killinger Elizabeth R · CIK 0001662519 · Exec VP, NRG Home

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 149,616

F9 · price: On January 2, 2019, the Reporting Person was issued 9,483 Restricted Stock Units ("RSUs") by NRG Energy, Inc. under NRG Energy, Inc.'s Amended and Restated Long Term Incentive Plan. Each RSU is equivalentin value to one share of NRG's common stock, par value $.01. On January 2, 2022 3,168 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 1,009 shares of common stock to satisfy the grantee's tax withholding obligation.

F10 · balance_after: In connection with the vesting of the RSUs described above, 233 DERs vested, resulting in the Reporting Person holding 796 dividend equivalent rights in the aggregate. Dividend equivalent rights accrue on th eReporting Person's restricted stock units, market stock units or relative performance stock units, which become exercisable proportionately with the restricted stock units, market stock units or relative performance stockunits.

SEC source: 0001225208-22-000324 · doc4.xml · nonDerivative · entry 6

Killinger Elizabeth R · CIK 0001662519 · Exec VP, NRG Home

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 150,625

F7 · price: On January 2, 2021, the Reporting Person was issued 9,913 Restricted Stock Units ("RSUs") by NRG Energy, Inc. under NRG Energy, Inc.'s Amended and Restated Long Term Incentive Plan. Each RSU is equivalent in value to one share of NRG's common stock, par value $.01. On January 2, 2022 3,301 shares vested. The Reporting Person elected to satisfy their tax obligation upon the exchange of common stock for RSUs having avalue on the date of the exchange equal to the withholding obligation. This form reflects the surrender of 830 shares of common stock to satisfy the grantee's tax withholding obligation.

F8 · balance_after: In connection with the vesting of the RSUs described above, 109 DERs vested, resulting in the Reporting Person holding 463 dividend equivalent rights in the aggregate. Dividend equivalent rights accrue on theReporting Person's restricted stock units, market stock units or relative performance stock units, which become exercisable proportionately with the restricted stock units, market stock units or relative performance stockunits.

SEC source: 0001225208-22-000324 · doc4.xml · nonDerivative · entry 5

Killinger Elizabeth R · CIK 0001662519 · Exec VP, NRG Home

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 151,455

F5 · price: On January 2, 2020, the Reporting Person was issued 9,594 Restricted Stock Units ("RSUs") by NRG Energy, Inc. under NRG Energy, Inc.'s Amended and Restated Long Term Incentive Plan. Each RSU is equivalentin value to one share of NRG's common stock, par value $.01. On January 2, 2022 3,195 shares vested. The Reporting Person elected to satisfy their tax obligation upon the exchange of common stock for RSUs having avalue on the date of the exchange equal to the withholding obligation. This form reflects the surrender of 822 shares of common stock to satisfy the grantee's tax withholding obligation.

F6 · balance_after: In connection with the vesting of the RSUs described above, 224 DERs vested, resulting in the Reporting Person holding 572 dividend equivalent rights in the aggregate. Dividend equivalent rights accrue on theReporting Person's restricted stock units, market stock units or relative performance stock units, which become exercisable proportionately with the restricted stock units, market stock units or relative performance stockunits.

SEC source: 0001225208-22-000324 · doc4.xml · nonDerivative · entry 4

Killinger Elizabeth R · CIK 0001662519 · Exec VP, NRG Home

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 152,277

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F4 · price: In connection with the vesting of the RPSUs described above, an incremental 944 DERs vested. Dividend equivalent rights accrue on the Reporting Person's restricted stock units, market stock units orrelative performance stock units, which become exercisable proportionately with the restricted stock units, market stock units or relative performance 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.

SEC source: 0001225208-22-000324 · doc4.xml · nonDerivative · entry 3

Killinger Elizabeth R · CIK 0001662519 · Exec VP, NRG Home

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 151,333

F2 · price: Represents Restricted Stock Units issued to the Reporting Person under NRG Energy, Inc.'s Amended and Restated Long-Term Incentive Plan ("LTIP").

F3 · balance_after: Each RSU is equivalent in value to one share of NRG's 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 first anniversary of the date of grant.

SEC source: 0001225208-22-000324 · doc4.xml · nonDerivative · entry 2

Killinger Elizabeth R · CIK 0001662519 · Exec VP, NRG Home

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 140,317

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: The Reporting Person was issued 16,031 RPSUs by NRG under the LTIP on January 2, 2019 that vested on January 2, 2022. On the vesting date the Reporting Person was entitled to receive a maximum of 32,062 shares of Common Stock if the company achieved 100% increase in total shareholder return since the grant date (the "Maximum"), 16,031 shares of Common Stock if there is no change in total shareholder return since the grant date (the "Target") or 4,007 shares of Common Stock if there is a 25% decrease in total shareholder return since the grant date (the "Threshold"). The Reporting Person would not have received any shares of Common Stock if total shareholder return had decreased by more than 25% since the grant date. The number of shares that the Reporting Person could have received in interpolated for total shareholder return fall between Threshold, Target and Maximum levels. On January 2, 2022 the reporting person vested in 12,825 shares.

SEC source: 0001225208-22-000322 · doc4.xml · derivative · entry 10

Curci Brian · CIK 0001734640 · Exec VP & General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 14,588

Underlying: Common Stock, par value $.01 per share · 14,588 shares

Expires 2025-01-02

F12 · derivative.exercise_price: The Reporting Person was issued 14,588 Relative Performance Stock Units ("RPSUs") by NRG Energy, Inc. under the LTIP on January 2, 2022. The RPSUs will convert to shares of NRG Common Stockon January 2, 2025 only in the event the Company has achieved a certain level of total shareholder return ("TSR") relative to the Peer Group (defined below) over a three-year performance period. The numberof shares of Common Stock that the Reporting Person may receive is interpolated for TSR falling between Threshold, Target, and Maximum levels as described below.

F13 · shares: Reporting Person will receive(i) a maximum of 29,176 shares of Common Stock if Company's TSR is ranked at or above the 75th percentile relative to a peer group approved by the Company's Compensation Committee (the "Peer Group") for the performance period (the "Maximum"); (ii) 14,588 shares of Common Stock if Company's TSR is ranked at the 55th percentile relative to the Peer Group for the performance period (the "Target"); provided, however, if TSR is less than negative fifteen percent (-15%), the Company's TSR must be ranked at the 65th percentile relative to the Peer Group for the performance period to receive the Target award; or (iii) 3,647 shares of Common Stock if Company's TSR is ranked at the 25th percentile relative to the Peer Group for the performance period(the "Threshold"). The Reporting Person will not receive any shares of Common Stock if Company's TSR is below the 25th percentile relative to the Peer Group for the performance period.

F14 · balance_after: The Maximum award that the Reporting Person will receive shall not exceed six (6) times the fair market value of the Target award, determined as of the date of grant.

SEC source: 0001225208-22-000322 · doc4.xml · derivative · entry 9

Curci Brian · CIK 0001734640 · Exec VP & General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock, par value $.01 per share · 6,588 shares

Expires 2022-01-02

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · derivative.exercise_price: The Reporting Person was issued 8,235 RPSUs by NRG under the LTIP on January 2, 2019 that vested on January 2, 2022. On the vesting date the Reporting Person was entitled to receive a maximum of 16,470 shares of Common Stock if the company achieved 100% increase in total shareholder return since the grant date (the "Maximum"), 8,235 shares of Common Stock if there is no change in total shareholder return since the grant date (the "Target") or 2058 shares of Common Stock if there is a 25% decrease in total shareholder return since the grant date (the "Threshold"). The Reporting Person would not have received any shares of Common Stock if total shareholder return had decreased by more than 25% since the grant date. The number of shares that the Reporting Person could have received in interpolated for total shareholder return fall between Threshold, Target and Maximum levels. On January 2, 2022 the reporting person vested in 6,588 shares.

SEC source: 0001225208-22-000322 · doc4.xml · derivative · entry 8

Curci Brian · CIK 0001734640 · Exec VP & General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock, par value $.01 per share · 485 shares

Expires 2022-01-02

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F4 · derivative.exercise_price: In connection with the vesting of the RPSUs described above, an incremental 485 DERs vested. Dividend equivalent rights accrue on the Reporting Person's restricted stock units, market stock units orrelative performance stock units, which become exercisable proportionately with the restricted stock units, market stock units or relative performance stock units to which they relate and may only be settled inNRG common stock. Each dividend equivalent right is the economic equivalent of one share of NRG common stock.

SEC source: 0001225208-22-000322 · doc4.xml · nonDerivative · entry 7

Curci Brian · CIK 0001734640 · Exec VP & General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 53,066

F11 · price: The Reporting Person elected to satisfy their tax withholding obligation upon the exchange of common stock for RPSUs having a value on the date of the exchange equal to the withholding obligation. Thisform reflects the surrender of 1,940 shares of common stock to satisfy the grantee's tax withholding obligation

SEC source: 0001225208-22-000322 · doc4.xml · nonDerivative · entry 6

Curci Brian · CIK 0001734640 · Exec VP & General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 55,006

F9 · price: On January 2, 2019, the Reporting Person was issued 4,871 Restricted Stock Units ("RSUs") by NRG Energy, Inc. under NRG Energy, Inc.'s Amended and Restated Long Term Incentive Plan. Each RSU is equivalentin value to one share of NRG's common stock, par value $.01. On January 2, 2022 1,627 shares vested. The Reporting Person elected to satisfy their tax obligation upon the exchange of common stock for RSUs having avalue on the date of the exchange equal to the withholding obligation. This form reflects the surrender of 571 shares of common stock to satisfy the grantee's tax withholding obligation.

F10 · balance_after: In connection with the vesting of the RSUs described above, 119 DERs vested, resulting in the Reporting Person holding 249 dividend equivalent rights in the aggregate. Dividend equivalent rights accrue on the Reporting Person's restricted stock units, market stock units or relative performance stock units, which become exercisable proportionately with the restricted stock units, market stock units or relative performance stockunits.

SEC source: 0001225208-22-000322 · doc4.xml · nonDerivative · entry 5

Curci Brian · CIK 0001734640 · Exec VP & General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 55,577

F7 · price: On January 2, 2020, the Reporting Person was issued 4,892 Restricted Stock Units ("RSUs") by NRG Energy, Inc. under NRG Energy, Inc.'s Amended and Restated Long Term Incentive Plan. Each RSU is equivalentin value to one share of NRG's common stock, par value $.01. On January 2, 2022 1,629 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 566 shares of common stock to satisfy the grantee's tax withholding obligation.

F8 · balance_after: In connection with the vesting of the RSUs described above, 114 DERs vested, resulting in the Reporting Person holding 368 dividend equivalent rights in the aggregate. Dividend equivalent rights accrue on the Reporting Person's restricted stock units, market stock units or relative performance stock units, which become exercisable proportionately with the restricted stock units, market stock units or relative performance stockunits.

SEC source: 0001225208-22-000322 · doc4.xml · nonDerivative · entry 4

Curci Brian · CIK 0001734640 · Exec VP & General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 56,143

F5 · price: On January 2, 2021, the Reporting Person was issued 5,358 Restricted Stock Units ("RSUs") by NRG Energy, Inc. under NRG Energy, Inc.'s Amended and Restated Long Term Incentive Plan. Each RSU is equivalentin value to one share of NRG's common stock, par value $.01. On January 2, 2022 1,784 shares vested. The Reporting Person elected to satisfy their tax obligation upon the exchange of common stock for RSUs having avalue on the date of the exchange equal to the withholding obligation. This form reflects the surrender of 495 shares of common stock to satisfy the grantee's tax withholding obligation.

F6 · balance_after: In connection with the vesting of the RSUs described above, 59 DERs vested, resulting in the Reporting Person holding 482 dividend equivalent rights in the aggregate. Dividend equivalent rights accrue on the Reporting Person's restricted stock units, market stock units or relative performance stock units, which become exercisable proportionately with the restricted stock units, market stock units or relative performance stockunits.

SEC source: 0001225208-22-000322 · doc4.xml · nonDerivative · entry 3

Curci Brian · CIK 0001734640 · Exec VP & General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 56,638

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F4 · price: In connection with the vesting of the RPSUs described above, an incremental 485 DERs vested. Dividend equivalent rights accrue on the Reporting Person's restricted stock units, market stock units orrelative performance stock units, which become exercisable proportionately with the restricted stock units, market stock units or relative performance stock units to which they relate and may only be settled inNRG common stock. Each dividend equivalent right is the economic equivalent of one share of NRG common stock.

SEC source: 0001225208-22-000322 · doc4.xml · nonDerivative · entry 2

Curci Brian · CIK 0001734640 · Exec VP & General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 56,153

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · price: The Reporting Person was issued 8,235 RPSUs by NRG under the LTIP on January 2, 2019 that vested on January 2, 2022. On the vesting date the Reporting Person was entitled to receive a maximum of 16,470 shares of Common Stock if the company achieved 100% increase in total shareholder return since the grant date (the "Maximum"), 8,235 shares of Common Stock if there is no change in total shareholder return since the grant date (the "Target") or 2058 shares of Common Stock if there is a 25% decrease in total shareholder return since the grant date (the "Threshold"). The Reporting Person would not have received any shares of Common Stock if total shareholder return had decreased by more than 25% since the grant date. The number of shares that the Reporting Person could have received in interpolated for total shareholder return fall between Threshold, Target and Maximum levels. On January 2, 2022 the reporting person vested in 6,588 shares.

SEC source: 0001225208-22-000322 · doc4.xml · nonDerivative · entry 1

Curci Brian · CIK 0001734640 · Exec VP & General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 49,565

F1 · shares: Represents Restricted Stock Units issued to the Reporting Person under NRG Energy, Inc.'s Amended and Restated Long-Term Incentive Plan ("LTIP").

F2 · price: Each RSU is equivalent in value to one share of NRG's 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 first anniversary of the date of grant.

SEC source: 0001225208-22-000324 · doc4.xml · nonDerivative · entry 1

Killinger Elizabeth R · CIK 0001662519 · Exec VP, NRG Home

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 127,492

SEC source: 0001225208-21-014100 · doc4.xml · nonDerivative · entry 1

Moser Christopher · CIK 0001726304 · Exec VP, Operations

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 144,582

SEC source: 0001225208-21-013560 · doc4.xml · nonDerivative · entry 1

Gutierrez Mauricio · CIK 0001428578 · Director · President & CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,008,616

F1 · price: 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.

F2 · balance_after: Includes 5,228 dividend equivalent rights.

SEC source: 0001225208-21-013562 · doc4.xml · nonDerivative · entry 1

Moser Christopher · CIK 0001726304 · Exec VP, Operations

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 142,671

F1 · price: 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.

F2 · balance_after: Includes 1,029 dividend equivalent rights.

SEC source: 0001225208-21-013561 · doc4.xml · nonDerivative · entry 1

Killinger Elizabeth R · CIK 0001662519 · Exec VP, NRG Home

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 130,492

F1 · price: 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.

F2 · balance_after: Includes 1,029 dividend equivalent rights and 81 shares acquired under NRG Energy, Inc.'s Employee Stock Purchase Plan since the Reporting Person's last filing date.

SEC source: 0001225208-21-013558 · doc4.xml · nonDerivative · entry 1

Fornaro Alberto · CIK 0001449431 · Executive Vice Pres & CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 11,138

F1 · price: 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.

F2 · balance_after: Includes 162 dividend equivalent rights.

SEC source: 0001225208-21-013557 · doc4.xml · nonDerivative · entry 1

Curci Brian · CIK 0001734640 · Exec VP & General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 39,990

F1 · price: 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.

F2 · balance_after: Includes 541 dividend equivalent rights.

SEC source: 0001225208-21-013559 · doc4.xml · nonDerivative · entry 1

Gaudette Robert J · CIK 0001505252 · Sr VP, NRG Business

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 71,347

F1 · price: 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.

F2 · balance_after: Includes 594 dividend equivalent rights.

SEC source: 0001225208-21-013556 · doc4.xml · nonDerivative · entry 1

Callen David · CIK 0001636160 · Sr VP & Chief Accounting Offic

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 21,396

F1 · price: 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.

F2 · balance_after: Includes 465 dividend equivalent rights and 120 shares acquired under NRG Energy, Inc's Employee Stock Purchase Plan since the Reporting Person's last filing date.

SEC source: 0001225208-21-013555 · doc4.xml · nonDerivative · entry 1

Schaumburg Anne C · CIK 0001322455 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 86,511

F1 · price: 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.

F2 · ownership.direct: Includes 4,364 dividend equivalent rights.

SEC source: 0001225208-21-013552 · doc4.xml · nonDerivative · entry 1

Cox Heather · CIK 0001734706 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 24,485

F1 · price: 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.

F2 · balance_after: Includes 677 dividend equivalent rights.

SEC source: 0001225208-21-013554 · doc4.xml · nonDerivative · entry 1

Pruner Alexandra · CIK 0001759034 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 14,688

F1 · price: 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.

F2 · balance_after: Includes 625 dividend equivalent rights.

SEC source: 0001225208-21-013551 · doc4.xml · nonDerivative · entry 1

COBEN LAWRENCE S · CIK 0001272898 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 126,156

F1 · price: 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.

F2 · balance_after: Includes 6.610 dividend equivalent rights.

SEC source: 0001225208-21-013553 · doc4.xml · nonDerivative · entry 1

Donohue Elisabeth B · CIK 0001707011 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 10,826

F1 · price: 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.

F2 · balance_after: Includes 311 dividend equivalent rights.

SEC source: 0001225208-21-013548 · doc4.xml · nonDerivative · entry 1

Abraham Spencer · CIK 0001326633 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 63,606

F1 · price: 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.

F2 · balance_after: Includes 4,902 dividend equivalent rights.

SEC source: 0001225208-21-013550 · doc4.xml · nonDerivative · entry 1

Carter Matthew Jr · CIK 0001481169 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 25,140

F1 · price: 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.

F2 · balance_after: Includes 1,367 dividend equivalent rights.

SEC source: 0001225208-21-013549 · doc4.xml · nonDerivative · entry 1

Carrillo Antonio · CIK 0001486776 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 14,342

F1 · price: 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.

F2 · balance_after: Includes 301 dividend equivalent rights.

SEC source: 0001225208-21-012140 · doc4.xml · derivative · entry 2

Callen David · CIK 0001636160 · Sr VP & Chief Accounting Offic

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,274

Underlying: Common Stock, par value $.01 per share · 1,274 shares

Expires 2024-09-03

F3 · derivative.exercise_price: The Reporting Person was issued 1,274 Relative Performance Stock Units ("RPSUs") by NRG Energy, Inc. under the LTIP on September 3, 2021. The RPSUs will convert to shares of NRG Common Stock on September 3, 2024 only in the event the Company has achieved a certain level of total shareholder return ("TSR") relative to the Peer Group (defined below) over a three-year performance period. The numberof shares of Common Stock that the Reporting Person may receive is interpolated for TSR falling between Threshold, Target, and Maximum levels as described below.

F4 · shares: Reporting Person will receive(i) a maximum of 2,548 shares of Common Stock if Company's TSR is ranked at or above the 75th percentile relative to a peer group of companies approved by the Company's Compensation Committee (the "Peer Group") for the performance period (the "Maximum"); (ii) 1,274 shares of Common Stock if Company's TSR is ranked at the 55th percentile relative to the Peer Group for the performance period (the "Target"); provided, however, if TSR is less than negative fifteen percent (-15%), the Company's TSR must be ranked at the 65th percentile relative to the Peer Group for the performance period to receive the Target award; or (iii) 318 shares of Common Stock if Company's TSR is ranked at the 25th percentile relative to the Peer Group for the performance period(the "Threshold"). The Reporting Person will not receive any shares of Common Stock if Company's TSR is below the 25th percentile relative to the Peer Group for the performance period.

F5 · balance_after: The Maximum award that the Reporting Person will receive shall not exceed six (6) times the fair market value of the Target award, determined as of the date of grant.

SEC source: 0001225208-21-012140 · doc4.xml · nonDerivative · entry 1

Callen David · CIK 0001636160 · Sr VP & Chief Accounting Offic

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 21,196

F1 · shares: On September 3, 2021, the reporting person received a supplemental grant in connection with an increase in equity compensation for eligible plan participants under the NRG Energy, Inc. (the "Company") Long Term Incentive Plan (the "LTIP") as determined by the Compensation Committee (the "Committee"). The adjustment was made following a review by the Committee of the Company's compensation structure as part of the integration of Direct Energy and the continued evaluation of the size and scope of the Company's business.

F2 · price: Each RSU is equivalent in value to one share of NRG's 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 first anniversary of the date of grant.

SEC source: 0001225208-21-012139 · doc4.xml · derivative · entry 2

Gaudette Robert J · CIK 0001505252 · Sr VP, Business Solutions

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 3,211

Underlying: Common Stock, par value $.01 per share · 3,211 shares

Expires 2024-09-03

F3 · derivative.exercise_price: The Reporting Person was issued 3,211 Relative Performance Stock Units ("RPSUs") by NRG Energy, Inc. under the LTIP on September 3, 2021. The RPSUs will convert to shares of NRG Common Stock on September 3, 2024 only in the event the Company has achieved a certain level of total shareholder return ("TSR") relative to the Peer Group (defined below) over a three-year performance period. The numberof shares of Common Stock that the Reporting Person may receive is interpolated for TSR falling between Threshold, Target, and Maximum levels as described below.

F4 · shares: Reporting Person will receive(i) a maximum of 6,422 shares of Common Stock if Company's TSR is ranked at or above the 75th percentile relative to a peer group of companies approved by the Company's Compensation Committee (the "Peer Group") for the performance period (the "Maximum"); (ii) 3,211 shares of Common Stock if Company's TSR is ranked at the 55th percentile relative to the Peer Group for the performance period (the "Target"); provided, however, if TSR is less than negative fifteen percent (-15%), the Company's TSR must be ranked at the 65th percentile relative to the Peer Group for the performance period to receive the Target award; or (iii) 802 shares of Common Stock if Company's TSR is ranked at the 25th percentile relative to the Peer Group for the performance period(the "Threshold"). The Reporting Person will not receive any shares of Common Stock if Company's TSR is below the 25th percentile relative to the Peer Group for the performance period.

F5 · balance_after: The Maximum award that the Reporting Person will receive shall not exceed six (6) times the fair market value of the Target award, determined as of the date of grant.

SEC source: 0001225208-21-012139 · doc4.xml · nonDerivative · entry 1

Gaudette Robert J · CIK 0001505252 · Sr VP, Business Solutions

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 71,238

F1 · shares: On September 3, 2021, the reporting person received a supplemental grant in connection with an increase in equity compensation for eligible plan participants under the NRG Energy, Inc. (the "Company") Long Term Incentive Plan (the "LTIP") as determined by the Compensation Committee (the "Committee"). The adjustment was made following a review by the Committee of the Company's compensation structure as part of the integration of Direct Energy and the continued evaluation of the size and scope of the Company's business.

F2 · price: Each RSU is equivalent in value to one share of NRG's 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 first anniversary of the date of grant.

SEC source: 0001225208-21-012137 · doc4.xml · derivative · entry 2

Killinger Elizabeth R · CIK 0001662519 · Exec VP, Retail

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 3,446

Underlying: Common Stock, par value $.01 per share · 3,446 shares

Expires 2024-09-03

F3 · derivative.exercise_price: The Reporting Person was issued 3,446 Relative Performance Stock Units ("RPSUs") by NRG Energy, Inc. under the LTIP on September 3, 2021. The RPSUs will convert to shares of NRG Common Stock on September 3, 2024 only in the event the Company has achieved a certain level of total shareholder return ("TSR") relative to the Peer Group (defined below) over a three-year performance period. The numberof shares of Common Stock that the Reporting Person may receive is interpolated for TSR falling between Threshold, Target, and Maximum levels as described below.

F4 · shares: Reporting Person will receive(i) a maximum of 6,892 shares of Common Stock if Company's TSR is ranked at or above the 75th percentile relative to a peer group of companies approved by the Company's Compensation Committee (the "Peer Group") for the performance period (the "Maximum"); (ii) 3,446 shares of Common Stock if Company's TSR is ranked at the 55th percentile relative to the Peer Group for the performance period (the "Target"); provided, however, if TSR is less than negative fifteen percent (-15%), the Company's TSR must be ranked at the 65th percentile relative to the Peer Group for the performance period to receive the Target award; or (iii) 861 shares of Common Stock if Company's TSR is ranked at the 25th percentile relative to the Peer Group for the performance period(the "Threshold"). The Reporting Person will not receive any shares of Common Stock if Company's TSR is below the 25th percentile relative to the Peer Group for the performance period.

F5 · balance_after: The Maximum award that the Reporting Person will receive shall not exceed six (6) times the fair market value of the Target award, determined as of the date of grant.

SEC source: 0001225208-21-012137 · doc4.xml · nonDerivative · entry 1

Killinger Elizabeth R · CIK 0001662519 · Exec VP, Retail

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 130,231

F1 · shares: On September 3, 2021, the reporting person received a supplemental grant in connection with an increase in equity compensation for eligible plan participants under the NRG Energy, Inc. (the "Company") Long Term Incentive Plan (the "LTIP") as determined by the Compensation Committee (the "Committee"). The adjustment was made following a review by the Committee of the Company's compensation structure as part of the integration of Direct Energy and the continued evaluation of the size and scope of the Company's business.

F2 · price: Each RSU is equivalent in value to one share of NRG's 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 first anniversary of the date of grant.

SEC source: 0001225208-21-012138 · doc4.xml · derivative · entry 2

Moser Christopher · CIK 0001726304 · Exec VP, Operations

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 3,446

Underlying: Common Stock, par value $.01 per share · 3,446 shares

Expires 2024-09-03

F3 · derivative.exercise_price: The Reporting Person was issued 3,446 Relative Performance Stock Units ("RPSUs") by NRG Energy, Inc. under the LTIP on September 3, 2021. The RPSUs will convert to shares of NRG Common Stock on September 3, 2024 only in the event the Company has achieved a certain level of total shareholder return ("TSR") relative to the Peer Group (defined below) over a three-year performance period. The numberof shares of Common Stock that the Reporting Person may receive is interpolated for TSR falling between Threshold, Target, and Maximum levels as described below.

F4 · shares: Reporting Person will receive(i) a maximum of 6,892 shares of Common Stock if Company's TSR is ranked at or above the 75th percentile relative to a peer group of companies approved by the Company's Compensation Committee (the "Peer Group") for the performance period (the "Maximum"); (ii) 3,446 shares of Common Stock if Company's TSR is ranked at the 55th percentile relative to the Peer Group for the performance period (the "Target"); provided, however, if TSR is less than negative fifteen percent (-15%), the Company's TSR must be ranked at the 65th percentile relative to the Peer Group for the performance period to receive the Target award; or (iii) 861 shares of Common Stock if Company's TSR is ranked at the 25th percentile relative to the Peer Group for the performance period(the "Threshold"). The Reporting Person will not receive any shares of Common Stock if Company's TSR is below the 25th percentile relative to the Peer Group for the performance period.

F5 · balance_after: The Maximum award that the Reporting Person will receive shall not exceed six (6) times the fair market value of the Target award, determined as of the date of grant.

SEC source: 0001225208-21-012138 · doc4.xml · nonDerivative · entry 1

Moser Christopher · CIK 0001726304 · Exec VP, Operations

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 142,491

F1 · shares: On September 3, 2021, the reporting person received a supplemental grant in connection with an increase in equity compensation for eligible plan participants under the NRG Energy, Inc. (the "Company") Long Term Incentive Plan (the "LTIP") as determined by the Compensation Committee (the "Committee"). The adjustment was made following a review by the Committee of the Company's compensation structure as part of the integration of Direct Energy and the continued evaluation of the size and scope of the Company's business.

F2 · price: Each RSU is equivalent in value to one share of NRG's 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 first anniversary of the date of grant.

SEC source: 0001225208-21-012136 · doc4.xml · derivative · entry 2

Curci Brian · CIK 0001734640 · Exec VP & General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,995

Underlying: Common Stock, par value $.01 per share · 2,995 shares

Expires 2024-09-03

F3 · derivative.exercise_price: The Reporting Person was issued 2,995 Relative Performance Stock Units ("RPSUs") by NRG Energy, Inc. under the LTIP on September 3, 2021. The RPSUs will convert to shares of NRG Common Stockon September 3, 2024 only in the event the Company has achieved a certain level of total shareholder return ("TSR") relative to the Peer Group (defined below) over a three-year performance period. The numberof shares of Common Stock that the Reporting Person may receive is interpolated for TSR falling between Threshold, Target, and Maximum levels as described below.

F4 · shares: Reporting Person will receive(i) a maximum of 5,990 shares of Common Stock if Company's TSR is ranked at or above the 75th percentile relative to a peer group of companies approved by the Company's Compensation Committee (the "Peer Group") for the performance period (the "Maximum"); (ii) 2,995 shares of Common Stock if Company's TSR is ranked at the 55th percentile relative to the Peer Group for the performance period (the "Target"); provided, however, if TSR is less than negative fifteen percent (-15%), the Company's TSR must be ranked at the 65th percentile relative to the Peer Group for the performance period to receive the Target award; or (iii) 748 shares of Common Stock if Company's TSR is ranked at the 25th percentile relative to the Peer Group for the performance period(the "Threshold"). The Reporting Person will not receive any shares of Common Stock if Company's TSR is below the 25th percentile relative to the Peer Group for the performance period.

F5 · balance_after: The Maximum award that the Reporting Person will receive shall not exceed six (6) times the fair market value of the Target award, determined as of the date of grant.

SEC source: 0001225208-21-012136 · doc4.xml · nonDerivative · entry 1

Curci Brian · CIK 0001734640 · Exec VP & General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 39,890

F1 · shares: On September 3, 2021, the reporting person received a supplemental grant in connection with an increase in equity compensation for eligible plan participants under the NRG Energy, Inc. (the "Company") Long Term Incentive Plan (the "LTIP") as determined by the Compensation Committee (the "Committee"). The adjustment was made following a review by the Committee of the Company's compensation structure as part of the integration of Direct Energy and the continued evaluation of the size and scope of the Company's business.

F2 · price: Each RSU is equivalent in value to one share of NRG's 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 first anniversary of the date of grant.

SEC source: 0001225208-21-012135 · doc4.xml · derivative · entry 2

Gutierrez Mauricio · CIK 0001428578 · Director · President & CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 24,542

Underlying: Common Stock, par value $.01 per share · 24,542 shares

Expires 2024-09-03

F3 · derivative.exercise_price: The Reporting Person was issued 25,452 Relative Performance Stock Units ("RPSUs") by NRG Energy, Inc. under the LTIP on September 3, 2021. The RPSUs will convert to shares of NRG Common Stockon September 3, 2024 only in the event the Company has achieved a certain level of total shareholder return ("TSR") relative to the Peer Group (defined below) over a three-year performance period. The numberof shares of Common Stock that the Reporting Person may receive is interpolated for TSR falling between Threshold, Target, and Maximum levels as described below.

F4 · shares: Reporting Person will receive(i) a maximum of 49,084 shares of Common Stock if Company's TSR is ranked at or above the 75th percentile relative to a peer group of companies approved by the Company's Compensation Committee (the "Peer Group") for the performance period (the "Maximum"); (ii) 24,542 shares of Common Stock if Company's TSR is ranked at the 55th percentile relative to the Peer Group for the performance period (the "Target"); provided, however, if TSR is less than negative fifteen percent (-15%), the Company's TSR must be ranked at the 65th percentile relative to the Peer Group for the performance period to receive the Target award; or (iii) 6,135 shares of Common Stock if Company's TSR is ranked at the 25th percentile relative to the Peer Group for the performance period(the "Threshold"). The Reporting Person will not receive any shares of Common Stock if Company's TSR is below the 25th percentile relative to the Peer Group for the performance period.

F5 · balance_after: The Maximum award that the Reporting Person will receive shall not exceed six (6) times the fair market value of the Target award, determined as of the date of grant.

SEC source: 0001225208-21-012135 · doc4.xml · nonDerivative · entry 1

Gutierrez Mauricio · CIK 0001428578 · Director · President & CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,007,673

F1 · shares: On September 3, 2021, the reporting person received a supplemental grant in connection with an increase in equity compensation for eligible plan participants under the NRG Energy, Inc. (the "Company") Long Term Incentive Plan (the "LTIP") as determined by the Compensation Committee (the "Committee"). The adjustment was made following a review by the Committee of the Company's compensation structure as part of the integration of Direct Energy and the continued evaluation of the size and scope of the Company's business.

F2 · price: Each RSU is equivalent in value to one share of NRG's 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 first anniversary of the date of grant.

SEC source: 0001225208-21-011526 · doc4.xml · nonDerivative · entry 1

Callen David · CIK 0001636160 · Sr VP & Chief Accounting Offic

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 20,424

F1 · price: This transaction was executed in multiple trades at prices ranging from $43.25 to $43.27. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon report to the SEC staff, the issuer or a security holder full information regarding the number of shares and prices at which the transaction was effected.

SEC source: 0001225208-21-011180 · doc4.xml · nonDerivative · entry 1

Fornaro Alberto · CIK 0001449431 · Executive Vice Pres & CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 11,056

F1 · price: 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.

F2 · balance_after: Includes 80 dividend equivalent rights.

SEC source: 0001225208-21-011179 · doc4.xml · nonDerivative · entry 1

Moser Christopher · CIK 0001726304 · Exec VP, Operations

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 140,402

F1 · price: 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.

F2 · balance_after: Includes 849 dividend equivalent rights.

SEC source: 0001225208-21-011178 · doc4.xml · nonDerivative · entry 1

Killinger Elizabeth R · CIK 0001662519 · Exec VP, Retail

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 128,142

F1 · price: 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.

F2 · balance_after: Includes 849 dividend equivalent rights.