TLN

SEC source: 0001628280-25-030227 · wk-form4_1749500110.xml · nonDerivative · entry 1

Nigro Joseph · CIK 0001740087 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 4,132

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: Each Restricted Stock Unit ("RSU") was issued under the Talen Energy Corporation 2023 Equity Incentive Plan (the "Plan") and represents a contingent right to receive one share of common stock, par value $0.001 ("common stock"), of Talen Energy Corporation (the "Company") or its cash equivalent, as determined at the time of settlement by the Compensation Committee of the Company's Board of Directors pursuant to the terms of the Plan.

SEC source: 0001628280-25-030222 · wk-form4_1749500070.xml · derivative · entry 3

McFarland Mark Allen · CIK 0001720720 · Director · President & CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 74,381

Underlying: Common Stock · 74,380 shares

Expires not disclosed

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 · derivative.exercise_price: Each Restricted Stock Unit ("RSU") was issued under the Talen Energy Corporation 2023 Equity Incentive Plan (the "Plan") and represents a contingent right to receive one share of common stock, par value $0.001 ("common stock"), of Talen Energy Corporation (the "Company") or its cash equivalent, as determined at the time of settlement by the Compensation Committee of the Company's Board of Directors pursuant to the terms of the Plan.

F3 · derivative.exercise_date: Represents 74,380 RSUs that vested on May 17, 2025 and 74,381 RSUs that, subject to the reporting person's continued service, will vest on May 17, 2026.

F3 · derivative.expiration_date: Represents 74,380 RSUs that vested on May 17, 2025 and 74,381 RSUs that, subject to the reporting person's continued service, will vest on May 17, 2026.

SEC source: 0001628280-25-030222 · wk-form4_1749500070.xml · nonDerivative · entry 2

McFarland Mark Allen · CIK 0001720720 · Director · President & CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 45,111

F2 · kind: In an exempt disposition to the Company under Rule 16b-3(e), the reporting person remitted shares to the Company in connection with the satisfaction of tax withholding obligations arising out of the vesting of the RSUs.

SEC source: 0001628280-25-030222 · wk-form4_1749500070.xml · nonDerivative · entry 1

McFarland Mark Allen · CIK 0001720720 · Director · President & CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 74,380

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: Each Restricted Stock Unit ("RSU") was issued under the Talen Energy Corporation 2023 Equity Incentive Plan (the "Plan") and represents a contingent right to receive one share of common stock, par value $0.001 ("common stock"), of Talen Energy Corporation (the "Company") or its cash equivalent, as determined at the time of settlement by the Compensation Committee of the Company's Board of Directors pursuant to the terms of the Plan.

SEC source: 0001628280-25-030221 · wk-form4_1749500052.xml · derivative · entry 2

SCHAEFER STEPHEN · CIK 0001955735 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 4,133

Underlying: Common Stock · 4,132 shares

Expires not disclosed

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 · derivative.exercise_price: Each Restricted Stock Unit ("RSU") was issued under the Talen Energy Corporation 2023 Equity Incentive Plan (the "Plan") and represents a contingent right to receive one share of common stock, par value $0.001 ("common stock"), of Talen Energy Corporation (the "Company") or its cash equivalent, as determined at the time of settlement by the Compensation Committee of the Company's Board of Directors pursuant to the terms of the Plan.

F2 · derivative.exercise_date: Represents 4,132 RSUs that vested on May 17, 2025 and 4,133 RSUs that, subject to the reporting person's continued service, will vest on May 17, 2026.

F2 · derivative.expiration_date: Represents 4,132 RSUs that vested on May 17, 2025 and 4,133 RSUs that, subject to the reporting person's continued service, will vest on May 17, 2026.

SEC source: 0001628280-25-030221 · wk-form4_1749500052.xml · nonDerivative · entry 1

SCHAEFER STEPHEN · CIK 0001955735 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 4,132

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: Each Restricted Stock Unit ("RSU") was issued under the Talen Energy Corporation 2023 Equity Incentive Plan (the "Plan") and represents a contingent right to receive one share of common stock, par value $0.001 ("common stock"), of Talen Energy Corporation (the "Company") or its cash equivalent, as determined at the time of settlement by the Compensation Committee of the Company's Board of Directors pursuant to the terms of the Plan.

SEC source: 0001628280-25-030220 · wk-form4_1749500037.xml · derivative · entry 3

Schwartzstein Christine Benson · CIK 0001995618 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 4,133

Underlying: Common Stock · 4,132 shares

Expires not disclosed

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 · derivative.exercise_price: Each Restricted Stock Unit ("RSU") was issued under the Talen Energy Corporation 2023 Equity Incentive Plan (the "Plan") and represents a contingent right to receive one share of common stock, par value $0.001 ("common stock"), of Talen Energy Corporation (the "Company") or its cash equivalent, as determined at the time of settlement by the Compensation Committee of the Company's Board of Directors pursuant to the terms of the Plan.

F3 · derivative.exercise_date: Represents 4,132 RSUs that vested on May 17, 2025 and 4,133 RSUs that, subject to the reporting person's continued service, will vest on May 17, 2026.

F3 · derivative.expiration_date: Represents 4,132 RSUs that vested on May 17, 2025 and 4,133 RSUs that, subject to the reporting person's continued service, will vest on May 17, 2026.

SEC source: 0001628280-25-030220 · wk-form4_1749500037.xml · nonDerivative · entry 2

Schwartzstein Christine Benson · CIK 0001995618 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,603

F2 · kind: Represents a portion of the RSUs that vested on May 17, 2025 (1,529 of which were cash settled in an amount approximately equivalent to taxes associated with such vesting).

SEC source: 0001628280-25-030220 · wk-form4_1749500037.xml · nonDerivative · entry 1

Schwartzstein Christine Benson · CIK 0001995618 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 4,132

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: Each Restricted Stock Unit ("RSU") was issued under the Talen Energy Corporation 2023 Equity Incentive Plan (the "Plan") and represents a contingent right to receive one share of common stock, par value $0.001 ("common stock"), of Talen Energy Corporation (the "Company") or its cash equivalent, as determined at the time of settlement by the Compensation Committee of the Company's Board of Directors pursuant to the terms of the Plan.

SEC source: 0001628280-25-030213 · wk-form4_1749499966.xml · derivative · entry 2

Horton Anthony R · CIK 0001699604 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 4,133

Underlying: Common Stock · 4,132 shares

Expires not disclosed

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 · derivative.exercise_price: Each Restricted Stock Unit ("RSU") was issued under the Talen Energy Corporation 2023 Equity Incentive Plan (the "Plan") and represents a contingent right to receive one share of common stock, par value $0.001 ("common stock"), of Talen Energy Corporation (the "Company") or its cash equivalent, as determined at the time of settlement by the Compensation Committee of the Company's Board of Directors pursuant to the terms of the Plan.

F2 · derivative.exercise_date: Represents 4,132 RSUs that vested on May 17, 2025 and 4,133 RSUs that, subject to the reporting person's continued service, will vest on May 17, 2026.

F2 · derivative.expiration_date: Represents 4,132 RSUs that vested on May 17, 2025 and 4,133 RSUs that, subject to the reporting person's continued service, will vest on May 17, 2026.

SEC source: 0001628280-25-030213 · wk-form4_1749499966.xml · nonDerivative · entry 1

Horton Anthony R · CIK 0001699604 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 5,132

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: Each Restricted Stock Unit ("RSU") was issued under the Talen Energy Corporation 2023 Equity Incentive Plan (the "Plan") and represents a contingent right to receive one share of common stock, par value $0.001 ("common stock"), of Talen Energy Corporation (the "Company") or its cash equivalent, as determined at the time of settlement by the Compensation Committee of the Company's Board of Directors pursuant to the terms of the Plan.

SEC source: 0001628280-25-011662 · wk-form4_1741637272.xml · nonDerivative · entry 3

Horton Anthony R · CIK 0001699604 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,000

SEC source: 0001628280-25-011662 · wk-form4_1741637272.xml · nonDerivative · entry 2

Horton Anthony R · CIK 0001699604 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 500

SEC source: 0001628280-25-011662 · wk-form4_1741637272.xml · nonDerivative · entry 1

Horton Anthony R · CIK 0001699604 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 250

SEC source: 0001628280-25-009905 · wk-form4_1741123792.xml · derivative · entry 1

Hyde Karen T · CIK 0002029043 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 717

Underlying: Common Stock · 717 shares

Expires not disclosed

F1 · derivative.exercise_price: Each Restricted Stock Unit ("RSU") was issued under the Talen Energy Corporation 2023 Equity Incentive Plan (the "Plan") and represents a contingent right to receive one share of common stock, par value $0.001, of Talen Energy Corporation (the "Company") or its cash equivalent, as determined at the time of settlement by the Compensation Committee of the Company's Board of Directors pursuant to the terms of the Plan.

F2 · derivative.exercise_date: Represents RSUs that, subject to the reporting person's continued service, will vest on February 28, 2027.

F2 · derivative.expiration_date: Represents RSUs that, subject to the reporting person's continued service, will vest on February 28, 2027.

SEC source: 0001628280-25-009891 · wk-form4_1741123638.xml · derivative · entry 2

Berryman Brad · CIK 0002028822 · SVP & Chief Nuclear Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 14,064

Underlying: Common Stock · 14,064 shares

Expires not disclosed

F3 · derivative.exercise_price: Each Performance-Based Restricted Stock Unit ("PSU") was issued under the Plan and represents a contingent right to receive one share of common stock or its cash equivalent, as determined at the time of settlement by the Committee pursuant to the terms of the Plan.

F4 · derivative.exercise_date: Represents PSUs that, subject to the reporting person's (i) continued service and (ii) achievement of applicable performance goals, will vest on February 28, 2027. The number of PSUs that vest can range from 0% to 200% of the target number of PSUs subject to the award, plus, if the maximum performance level is exceeded, an additional number of PSUs in an amount equal to the reporting person's proportionate share among the participating executive officers of 3% of the Company's market capitalization above the maximum performance level. The numbers of PSUs and shares of common stock in this row represent the maximum level of performance (or 200%).

F4 · derivative.expiration_date: Represents PSUs that, subject to the reporting person's (i) continued service and (ii) achievement of applicable performance goals, will vest on February 28, 2027. The number of PSUs that vest can range from 0% to 200% of the target number of PSUs subject to the award, plus, if the maximum performance level is exceeded, an additional number of PSUs in an amount equal to the reporting person's proportionate share among the participating executive officers of 3% of the Company's market capitalization above the maximum performance level. The numbers of PSUs and shares of common stock in this row represent the maximum level of performance (or 200%).

SEC source: 0001628280-25-009891 · wk-form4_1741123638.xml · derivative · entry 1

Berryman Brad · CIK 0002028822 · SVP & Chief Nuclear Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,963

Underlying: Common Stock · 1,963 shares

Expires not disclosed

F1 · derivative.exercise_price: Each Restricted Stock Unit ("RSU") was issued under the Talen Energy Corporation 2023 Equity Incentive Plan (the "Plan") and represents a contingent right to receive one share of common stock, par value $0.001 ("common stock"), of Talen Energy Corporation (the "Company") or its cash equivalent, as determined at the time of settlement by the Compensation Committee of the Company's Board of Directors (the "Committee") pursuant to the terms of the Plan.

F2 · derivative.exercise_date: Represents RSUs that, subject to the reporting person's continued service, will vest on February 28, 2027.

F2 · derivative.expiration_date: Represents RSUs that, subject to the reporting person's continued service, will vest on February 28, 2027.

SEC source: 0001628280-25-009895 · wk-form4_1741123693.xml · derivative · entry 2

Wander John C · CIK 0002028525 · Gen. Counsel & Corp. Secretary

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 14,064

Underlying: Common Stock · 14,064 shares

Expires not disclosed

F3 · derivative.exercise_price: Each Performance-Based Restricted Stock Unit ("PSU") was issued under the Plan and represents a contingent right to receive one share of common stock or its cash equivalent, as determined at the time of settlement by the Committee pursuant to the terms of the Plan.

F4 · derivative.exercise_date: Represents PSUs that, subject to the reporting person's (i) continued service and (ii) achievement of applicable performance goals, will vest on February 28, 2027. The number of PSUs that vest can range from 0% to 200% of the target number of PSUs subject to the award, plus, if the maximum performance level is exceeded, an additional number of PSUs in an amount equal to the reporting person's proportionate share among the participating executive officers of 3% of the Company's market capitalization above the maximum performance level. The numbers of PSUs and shares of common stock in this row represent the maximum level of performance (or 200%).

F4 · derivative.expiration_date: Represents PSUs that, subject to the reporting person's (i) continued service and (ii) achievement of applicable performance goals, will vest on February 28, 2027. The number of PSUs that vest can range from 0% to 200% of the target number of PSUs subject to the award, plus, if the maximum performance level is exceeded, an additional number of PSUs in an amount equal to the reporting person's proportionate share among the participating executive officers of 3% of the Company's market capitalization above the maximum performance level. The numbers of PSUs and shares of common stock in this row represent the maximum level of performance (or 200%).

SEC source: 0001628280-25-009895 · wk-form4_1741123693.xml · derivative · entry 1

Wander John C · CIK 0002028525 · Gen. Counsel & Corp. Secretary

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,963

Underlying: Common Stock · 1,963 shares

Expires not disclosed

F1 · derivative.exercise_price: Each Restricted Stock Unit ("RSU") was issued under the Talen Energy Corporation 2023 Equity Incentive Plan (the "Plan") and represents a contingent right to receive one share of common stock, par value $0.001 ("common stock"), of Talen Energy Corporation (the "Company") or its cash equivalent, as determined at the time of settlement by the Compensation Committee of the Company's Board of Directors (the "Committee") pursuant to the terms of the Plan.

F2 · derivative.exercise_date: Represents RSUs that, subject to the reporting person's continued service, will vest on February 28, 2027.

F2 · derivative.expiration_date: Represents RSUs that, subject to the reporting person's continued service, will vest on February 28, 2027.

SEC source: 0001628280-25-009908 · wk-form4_1741123823.xml · derivative · entry 2

Lebsack Dale E Jr. · CIK 0002028467 · Chief Fossil Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 14,064

Underlying: Common Stock · 14,064 shares

Expires not disclosed

F3 · derivative.exercise_price: Each Performance-Based Restricted Stock Unit ("PSU") was issued under the Plan and represents a contingent right to receive one share of common stock or its cash equivalent, as determined at the time of settlement by the Committee pursuant to the terms of the Plan.

F4 · derivative.exercise_date: Represents PSUs that, subject to the reporting person's (i) continued service and (ii) achievement of applicable performance goals, will vest on February 28, 2027. The number of PSUs that vest can range from 0% to 200% of the target number of PSUs subject to the award, plus, if the maximum performance level is exceeded, an additional number of PSUs in an amount equal to the reporting person's proportionate share among the participating executive officers of 3% of the Company's market capitalization above the maximum performance level. The numbers of PSUs and shares of common stock in this row represent the maximum level of performance (or 200%).

F4 · derivative.expiration_date: Represents PSUs that, subject to the reporting person's (i) continued service and (ii) achievement of applicable performance goals, will vest on February 28, 2027. The number of PSUs that vest can range from 0% to 200% of the target number of PSUs subject to the award, plus, if the maximum performance level is exceeded, an additional number of PSUs in an amount equal to the reporting person's proportionate share among the participating executive officers of 3% of the Company's market capitalization above the maximum performance level. The numbers of PSUs and shares of common stock in this row represent the maximum level of performance (or 200%).

SEC source: 0001628280-25-009908 · wk-form4_1741123823.xml · derivative · entry 1

Lebsack Dale E Jr. · CIK 0002028467 · Chief Fossil Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,963

Underlying: Common Stock · 1,963 shares

Expires not disclosed

F1 · derivative.exercise_price: Each Restricted Stock Unit ("RSU") was issued under the Talen Energy Corporation 2023 Equity Incentive Plan (the "Plan") and represents a contingent right to receive one share of common stock, par value $0.001 ("common stock"), of Talen Energy Corporation (the "Company") or its cash equivalent, as determined at the time of settlement by the Compensation Committee of the Company's Board of Directors (the "Committee") pursuant to the terms of the Plan.

F2 · derivative.exercise_date: Represents RSUs that, subject to the reporting person's continued service, will vest on February 28, 2027.

F2 · derivative.expiration_date: Represents RSUs that, subject to the reporting person's continued service, will vest on February 28, 2027.

SEC source: 0001628280-25-009903 · wk-form4_1741123766.xml · derivative · entry 2

Wright Andrew M · CIK 0002028524 · Chief Administrative Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 14,064

Underlying: Common Stock · 14,064 shares

Expires not disclosed

F3 · derivative.exercise_price: Each Performance-Based Restricted Stock Unit ("PSU") was issued under the Plan and represents a contingent right to receive one share of common stock or its cash equivalent, as determined at the time of settlement by the Committee pursuant to the terms of the Plan.

F4 · derivative.exercise_date: Represents PSUs that, subject to the reporting person's (i) continued service and (ii) achievement of applicable performance goals, will vest on February 28, 2027. The number of PSUs that vest can range from 0% to 200% of the target number of PSUs subject to the award, plus, if the maximum performance level is exceeded, an additional number of PSUs in an amount equal to the reporting person's proportionate share among the participating executive officers of 3% of the Company's market capitalization above the maximum performance level. The numbers of PSUs and shares of common stock in this row represent the maximum level of performance (or 200%).

F4 · derivative.expiration_date: Represents PSUs that, subject to the reporting person's (i) continued service and (ii) achievement of applicable performance goals, will vest on February 28, 2027. The number of PSUs that vest can range from 0% to 200% of the target number of PSUs subject to the award, plus, if the maximum performance level is exceeded, an additional number of PSUs in an amount equal to the reporting person's proportionate share among the participating executive officers of 3% of the Company's market capitalization above the maximum performance level. The numbers of PSUs and shares of common stock in this row represent the maximum level of performance (or 200%).

SEC source: 0001628280-25-009903 · wk-form4_1741123766.xml · derivative · entry 1

Wright Andrew M · CIK 0002028524 · Chief Administrative Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,963

Underlying: Common Stock · 1,963 shares

Expires not disclosed

F1 · derivative.exercise_price: Each Restricted Stock Unit ("RSU") was issued under the Talen Energy Corporation 2023 Equity Incentive Plan (the "Plan") and represents a contingent right to receive one share of common stock, par value $0.001 ("common stock"), of Talen Energy Corporation (the "Company") or its cash equivalent, as determined at the time of settlement by the Compensation Committee of the Company's Board of Directors (the "Committee") pursuant to the terms of the Plan.

F2 · derivative.exercise_date: Represents RSUs that, subject to the reporting person's continued service, will vest on February 28, 2027.

F2 · derivative.expiration_date: Represents RSUs that, subject to the reporting person's continued service, will vest on February 28, 2027.

SEC source: 0001628280-25-009894 · wk-form4_1741123680.xml · derivative · entry 2

Morice Christopher E · CIK 0002028530 · Chief Commercial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 14,064

Underlying: Common Stock · 14,064 shares

Expires not disclosed

F3 · derivative.exercise_price: Each Performance-Based Restricted Stock Unit ("PSU") was issued under the Plan and represents a contingent right to receive one share of common stock or its cash equivalent, as determined at the time of settlement by the Committee pursuant to the terms of the Plan.

F4 · derivative.exercise_date: Represents PSUs that, subject to the reporting person's (i) continued service and (ii) achievement of applicable performance goals, will vest on February 28, 2027. The number of PSUs that vest can range from 0% to 200% of the target number of PSUs subject to the award, plus, if the maximum performance level is exceeded, an additional number of PSUs in an amount equal to the reporting person's proportionate share among the participating executive officers of 3% of the Company's market capitalization above the maximum performance level. The numbers of PSUs and shares of common stock in this row represent the maximum level of performance (or 200%).

F4 · derivative.expiration_date: Represents PSUs that, subject to the reporting person's (i) continued service and (ii) achievement of applicable performance goals, will vest on February 28, 2027. The number of PSUs that vest can range from 0% to 200% of the target number of PSUs subject to the award, plus, if the maximum performance level is exceeded, an additional number of PSUs in an amount equal to the reporting person's proportionate share among the participating executive officers of 3% of the Company's market capitalization above the maximum performance level. The numbers of PSUs and shares of common stock in this row represent the maximum level of performance (or 200%).

SEC source: 0001628280-25-009894 · wk-form4_1741123680.xml · derivative · entry 1

Morice Christopher E · CIK 0002028530 · Chief Commercial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,963

Underlying: Common Stock · 1,963 shares

Expires not disclosed

F1 · derivative.exercise_price: Each Restricted Stock Unit ("RSU") was issued under the Talen Energy Corporation 2023 Equity Incentive Plan (the "Plan") and represents a contingent right to receive one share of common stock, par value $0.001 ("common stock"), of Talen Energy Corporation (the "Company") or its cash equivalent, as determined at the time of settlement by the Compensation Committee of the Company's Board of Directors (the "Committee") pursuant to the terms of the Plan.

F2 · derivative.exercise_date: Represents RSUs that, subject to the reporting person's continued service, will vest on February 28, 2027.

F2 · derivative.expiration_date: Represents RSUs that, subject to the reporting person's continued service, will vest on February 28, 2027.

SEC source: 0001628280-25-009892 · wk-form4_1741123649.xml · derivative · entry 2

Plagens Anthony J · CIK 0002028528 · SVP & Chief Accounting Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,574

Underlying: Common Stock · 2,574 shares

Expires not disclosed

F3 · derivative.exercise_price: Each Performance-Based Restricted Stock Unit ("PSU") was issued under the Plan and represents a contingent right to receive one share of common stock or its cash equivalent, as determined at the time of settlement by the Committee pursuant to the terms of the Plan.

F4 · derivative.exercise_date: Represents PSUs that, subject to the reporting person's (i) continued service and (ii) achievement of applicable performance goals, will vest on February 28, 2027. The number of PSUs that vest can range from 0% to 200% of the target number of PSUs subject to the award. The numbers of PSUs and shares of common stock in this row represent the maximum level of performance (or 200%).

F4 · derivative.expiration_date: Represents PSUs that, subject to the reporting person's (i) continued service and (ii) achievement of applicable performance goals, will vest on February 28, 2027. The number of PSUs that vest can range from 0% to 200% of the target number of PSUs subject to the award. The numbers of PSUs and shares of common stock in this row represent the maximum level of performance (or 200%).

SEC source: 0001628280-25-009892 · wk-form4_1741123649.xml · derivative · entry 1

Plagens Anthony J · CIK 0002028528 · SVP & Chief Accounting Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,662

Underlying: Common Stock · 1,662 shares

Expires not disclosed

F1 · derivative.exercise_price: Each Restricted Stock Unit ("RSU") was issued under the Talen Energy Corporation 2023 Equity Incentive Plan (the "Plan") and represents a contingent right to receive one share of common stock, par value $0.001 ("common stock"), of Talen Energy Corporation (the "Company") or its cash equivalent, as determined at the time of settlement by the Compensation Committee of the Company's Board of Directors (the "Committee") pursuant to the terms of the Plan.

F2 · derivative.exercise_date: Represents RSUs that, subject to the reporting person's continued service, will vest on February 28, 2027.

F2 · derivative.expiration_date: Represents RSUs that, subject to the reporting person's continued service, will vest on February 28, 2027.

SEC source: 0001628280-25-009890 · wk-form4_1741123617.xml · derivative · entry 2

Muller Cole · CIK 0002028529 · EVP, Strategic Ventures

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 15,344

Underlying: Common Stock · 15,344 shares

Expires not disclosed

F3 · derivative.exercise_price: Each Performance-Based Restricted Stock Unit ("PSU") was issued under the Plan and represents a contingent right to receive one share of common stock or its cash equivalent, as determined at the time of settlement by the Committee pursuant to the terms of the Plan.

F4 · derivative.exercise_date: Represents PSUs that, subject to the reporting person's (i) continued service and (ii) achievement of applicable performance goals, will vest on February 28, 2027. The number of PSUs that vest can range from 0% to 200% of the target number of PSUs subject to the award, plus, if the maximum performance level is exceeded, an additional number of PSUs in an amount equal to the reporting person's proportionate share among the participating executive officers of 3% of the Company's market capitalization above the maximum performance level. The numbers of PSUs and shares of common stock in this row represent the maximum level of performance (or 200%).

F4 · derivative.expiration_date: Represents PSUs that, subject to the reporting person's (i) continued service and (ii) achievement of applicable performance goals, will vest on February 28, 2027. The number of PSUs that vest can range from 0% to 200% of the target number of PSUs subject to the award, plus, if the maximum performance level is exceeded, an additional number of PSUs in an amount equal to the reporting person's proportionate share among the participating executive officers of 3% of the Company's market capitalization above the maximum performance level. The numbers of PSUs and shares of common stock in this row represent the maximum level of performance (or 200%).

SEC source: 0001628280-25-009890 · wk-form4_1741123617.xml · derivative · entry 1

Muller Cole · CIK 0002028529 · EVP, Strategic Ventures

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,141

Underlying: Common Stock · 2,141 shares

Expires not disclosed

F1 · derivative.exercise_price: Each Restricted Stock Unit ("RSU") was issued under the Talen Energy Corporation 2023 Equity Incentive Plan (the "Plan") and represents a contingent right to receive one share of common stock, par value $0.001 ("common stock"), of Talen Energy Corporation (the "Company") or its cash equivalent, as determined at the time of settlement by the Compensation Committee of the Company's Board of Directors (the "Committee") pursuant to the terms of the Plan.

F2 · derivative.exercise_date: Represents RSUs that, subject to the reporting person's continued service, will vest on February 28, 2027.

F2 · derivative.expiration_date: Represents RSUs that, subject to the reporting person's continued service, will vest on February 28, 2027.

SEC source: 0001628280-25-009904 · wk-form4_1741123777.xml · derivative · entry 2

Nutt Terry L · CIK 0001707031 · CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 17,900

Underlying: Common Stock · 17,900 shares

Expires not disclosed

F3 · derivative.exercise_price: Each Performance-Based Restricted Stock Unit ("PSU") was issued under the Plan and represents a contingent right to receive one share of common stock or its cash equivalent, as determined at the time of settlement by the Committee pursuant to the terms of the Plan.

F4 · derivative.exercise_date: Represents PSUs that, subject to the reporting person's (i) continued service and (ii) achievement of applicable performance goals, will vest on February 28, 2027. The number of PSUs that vest can range from 0% to 200% of the target number of PSUs subject to the award, plus, if the maximum performance level is exceeded, an additional number of PSUs in an amount equal to the reporting person's proportionate share among the participating executive officers of 3% of the Company's market capitalization above the maximum performance level. The numbers of PSUs and shares of common stock in this row represent the maximum level of performance (or 200%).

F4 · derivative.expiration_date: Represents PSUs that, subject to the reporting person's (i) continued service and (ii) achievement of applicable performance goals, will vest on February 28, 2027. The number of PSUs that vest can range from 0% to 200% of the target number of PSUs subject to the award, plus, if the maximum performance level is exceeded, an additional number of PSUs in an amount equal to the reporting person's proportionate share among the participating executive officers of 3% of the Company's market capitalization above the maximum performance level. The numbers of PSUs and shares of common stock in this row represent the maximum level of performance (or 200%).

SEC source: 0001628280-25-009904 · wk-form4_1741123777.xml · derivative · entry 1

Nutt Terry L · CIK 0001707031 · CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,498

Underlying: Common Stock · 2,498 shares

Expires not disclosed

F1 · derivative.exercise_price: Each Restricted Stock Unit ("RSU") was issued under the Talen Energy Corporation 2023 Equity Incentive Plan (the "Plan") and represents a contingent right to receive one share of common stock, par value $0.001 ("common stock"), of Talen Energy Corporation (the "Company") or its cash equivalent, as determined at the time of settlement by the Compensation Committee of the Company's Board of Directors (the "Committee") pursuant to the terms of the Plan.

F2 · derivative.exercise_date: Represents RSUs that, subject to the reporting person's continued service, will vest on February 28, 2027.

F2 · derivative.expiration_date: Represents RSUs that, subject to the reporting person's continued service, will vest on February 28, 2027.

SEC source: 0001628280-25-009898 · wk-form4_1741123706.xml · derivative · entry 2

Olagues Darren J · CIK 0001408305 · Chief Development Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 12,786

Underlying: Common Stock · 12,786 shares

Expires not disclosed

F3 · derivative.exercise_price: Each Performance-Based Restricted Stock Unit ("PSU") was issued under the Plan and represents a contingent right to receive one share of common stock or its cash equivalent, as determined at the time of settlement by the Committee pursuant to the terms of the Plan.

F4 · derivative.exercise_date: Represents PSUs that, subject to the reporting person's (i) continued service and (ii) achievement of applicable performance goals, will vest on February 28, 2027. The number of PSUs that vest can range from 0% to 200% of the target number of PSUs subject to the award, plus, if the maximum performance level is exceeded, an additional number of PSUs in an amount equal to the reporting person's proportionate share among the participating executive officers of 3% of the Company's market capitalization above the maximum performance level. The numbers of PSUs and shares of common stock in this row represent the maximum level of performance (or 200%).

F4 · derivative.expiration_date: Represents PSUs that, subject to the reporting person's (i) continued service and (ii) achievement of applicable performance goals, will vest on February 28, 2027. The number of PSUs that vest can range from 0% to 200% of the target number of PSUs subject to the award, plus, if the maximum performance level is exceeded, an additional number of PSUs in an amount equal to the reporting person's proportionate share among the participating executive officers of 3% of the Company's market capitalization above the maximum performance level. The numbers of PSUs and shares of common stock in this row represent the maximum level of performance (or 200%).

SEC source: 0001628280-25-009898 · wk-form4_1741123706.xml · derivative · entry 1

Olagues Darren J · CIK 0001408305 · Chief Development Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,784

Underlying: Common Stock · 1,784 shares

Expires not disclosed

F1 · derivative.exercise_price: Each Restricted Stock Unit ("RSU") was issued under the Talen Energy Corporation 2023 Equity Incentive Plan (the "Plan") and represents a contingent right to receive one share of common stock, par value $0.001 ("common stock"), of Talen Energy Corporation (the "Company") or its cash equivalent, as determined at the time of settlement by the Compensation Committee of the Company's Board of Directors (the "Committee") pursuant to the terms of the Plan.

F2 · derivative.exercise_date: Represents RSUs that, subject to the reporting person's continued service, will vest on February 28, 2027.

F2 · derivative.expiration_date: Represents RSUs that, subject to the reporting person's continued service, will vest on February 28, 2027.

SEC source: 0001628280-25-009893 · wk-form4_1741123668.xml · derivative · entry 1

ABBAS GIZMAN I · CIK 0001543090 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 717

Underlying: Common Stock · 717 shares

Expires not disclosed

F1 · derivative.exercise_price: Each Restricted Stock Unit ("RSU") was issued under the Talen Energy Corporation 2023 Equity Incentive Plan (the "Plan") and represents a contingent right to receive one share of common stock, par value $0.001, of Talen Energy Corporation (the "Company") or its cash equivalent, as determined at the time of settlement by the Compensation Committee of the Company's Board of Directors pursuant to the terms of the Plan.

F2 · derivative.exercise_date: Represents RSUs that, subject to the reporting person's continued service, will vest on February 28, 2027.

F2 · derivative.expiration_date: Represents RSUs that, subject to the reporting person's continued service, will vest on February 28, 2027.

SEC source: 0001628280-25-009906 · wk-form4_1741123807.xml · derivative · entry 1

Schwartzstein Christine Benson · CIK 0001995618 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 717

Underlying: Common Stock · 717 shares

Expires not disclosed

F1 · derivative.exercise_price: Each Restricted Stock Unit ("RSU") was issued under the Talen Energy Corporation 2023 Equity Incentive Plan (the "Plan") and represents a contingent right to receive one share of common stock, par value $0.001, of Talen Energy Corporation (the "Company") or its cash equivalent, as determined at the time of settlement by the Compensation Committee of the Company's Board of Directors pursuant to the terms of the Plan.

F2 · derivative.exercise_date: Represents RSUs that, subject to the reporting person's continued service, will vest on February 28, 2027.

F2 · derivative.expiration_date: Represents RSUs that, subject to the reporting person's continued service, will vest on February 28, 2027.

SEC source: 0001628280-25-009902 · wk-form4_1741123753.xml · derivative · entry 1

SCHAEFER STEPHEN · CIK 0001955735 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,789

Underlying: Common Stock · 1,789 shares

Expires not disclosed

F1 · derivative.exercise_price: Each Restricted Stock Unit ("RSU") was issued under the Talen Energy Corporation 2023 Equity Incentive Plan (the "Plan") and represents a contingent right to receive one share of common stock, par value $0.001, of Talen Energy Corporation (the "Company") or its cash equivalent, as determined at the time of settlement by the Compensation Committee of the Company's Board of Directors pursuant to the terms of the Plan.

F2 · derivative.exercise_date: Represents RSUs that, subject to the reporting person's continued service, will vest on February 28, 2027.

F2 · derivative.expiration_date: Represents RSUs that, subject to the reporting person's continued service, will vest on February 28, 2027.

SEC source: 0001628280-25-009900 · wk-form4_1741123730.xml · derivative · entry 1

Horton Anthony R · CIK 0001699604 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 717

Underlying: Common Stock · 717 shares

Expires not disclosed

F1 · derivative.exercise_price: Each Restricted Stock Unit ("RSU") was issued under the Talen Energy Corporation 2023 Equity Incentive Plan (the "Plan") and represents a contingent right to receive one share of common stock, par value $0.001, of Talen Energy Corporation (the "Company") or its cash equivalent, as determined at the time of settlement by the Compensation Committee of the Company's Board of Directors pursuant to the terms of the Plan.

F2 · derivative.exercise_date: Represents RSUs that, subject to the reporting person's continued service, will vest on February 28, 2027.

F2 · derivative.expiration_date: Represents RSUs that, subject to the reporting person's continued service, will vest on February 28, 2027.

SEC source: 0001628280-25-009901 · wk-form4_1741123743.xml · derivative · entry 1

Nigro Joseph · CIK 0001740087 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 717

Underlying: Common Stock · 717 shares

Expires not disclosed

F1 · derivative.exercise_price: Each Restricted Stock Unit ("RSU") was issued under the Talen Energy Corporation 2023 Equity Incentive Plan (the "Plan") and represents a contingent right to receive one share of common stock, par value $0.001, of Talen Energy Corporation (the "Company") or its cash equivalent, as determined at the time of settlement by the Compensation Committee of the Company's Board of Directors pursuant to the terms of the Plan.

F2 · derivative.exercise_date: Represents RSUs that, subject to the reporting person's continued service, will vest on February 28, 2027.

F2 · derivative.expiration_date: Represents RSUs that, subject to the reporting person's continued service, will vest on February 28, 2027.

SEC source: 0001628280-25-009899 · wk-form4_1741123718.xml · derivative · entry 2

McFarland Mark Allen · CIK 0001720720 · Director · President & CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 50,344

Underlying: Common Stock · 50,344 shares

Expires not disclosed

F3 · derivative.exercise_price: Each Performance-Based Restricted Stock Unit ("PSU") was issued under the Plan and represents a contingent right to receive one share of common stock or its cash equivalent, as determined at the time of settlement by the Committee pursuant to the terms of the Plan.

F4 · derivative.exercise_date: Represents PSUs that, subject to the reporting person's (i) continued service and (ii) achievement of applicable performance goals, will vest on February 28, 2027. The number of PSUs that vest can range from 0% to 200% of the target number of PSUs subject to the award, plus, if the maximum performance level is exceeded, an additional number of PSUs in an amount equal to the reporting person's proportionate share among the participating executive officers of 3% of the Company's market capitalization above the maximum performance level. The numbers of PSUs and shares of common stock in this row represent the maximum level of performance (or 200%).

F4 · derivative.expiration_date: Represents PSUs that, subject to the reporting person's (i) continued service and (ii) achievement of applicable performance goals, will vest on February 28, 2027. The number of PSUs that vest can range from 0% to 200% of the target number of PSUs subject to the award, plus, if the maximum performance level is exceeded, an additional number of PSUs in an amount equal to the reporting person's proportionate share among the participating executive officers of 3% of the Company's market capitalization above the maximum performance level. The numbers of PSUs and shares of common stock in this row represent the maximum level of performance (or 200%).

SEC source: 0001628280-25-009899 · wk-form4_1741123718.xml · derivative · entry 1

McFarland Mark Allen · CIK 0001720720 · Director · President & CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 7,025

Underlying: Common Stock · 7,025 shares

Expires not disclosed

F1 · derivative.exercise_price: Each Restricted Stock Unit ("RSU") was issued under the Talen Energy Corporation 2023 Equity Incentive Plan (the "Plan") and represents a contingent right to receive one share of common stock, par value $0.001 ("common stock"), of Talen Energy Corporation (the "Company") or its cash equivalent, as determined at the time of settlement by the Compensation Committee of the Company's Board of Directors (the "Committee") pursuant to the terms of the Plan.

F2 · derivative.exercise_date: Represents RSUs that, subject to the reporting person's continued service, will vest on February 28, 2027.

F2 · derivative.expiration_date: Represents RSUs that, subject to the reporting person's continued service, will vest on February 28, 2027.

SEC source: 0001104659-24-128881 · tm2431186-1_4seq1.xml · nonDerivative · entry 2

Rubric Capital Management LP · CIK 0001687509 · 10% owner

Rosen David Efraim · CIK 0001898677 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnote

Disclosed balance after: 6,123,500

F2 · kind: This transaction represents a pro-rata in-kind distribution to limited partners for no consideration.

F2 · price: This transaction represents a pro-rata in-kind distribution to limited partners for no consideration.

F1 · ownership.nature: This Form 4 is filed by Rubric Capital Management LP ("Rubric Capital") and Mr. David Rosen, with respect to the securities held by certain funds and/or accounts (collectively, the "Rubric Vehicles"). Rubric Capital serves as the investment adviser to the Rubric Vehicles. Mr. David Rosen serves as the Managing Member of Rubric Capital Management GP, LLC, the general partner of Rubric Capital. The filing of this statement shall not be deemed an admission that any Reporting Person is the beneficial owner of the securities reported herein for purposes of Section 16 of the Securities Act of 1934, as amended, or otherwise. Each Reporting Person expressly disclaims beneficial ownership of the securities reported herein except to the extent of its or his pecuniary interest therein.

SEC source: 0001104659-24-128881 · tm2431186-1_4seq1.xml · nonDerivative · entry 1

Rubric Capital Management LP · CIK 0001687509 · 10% owner

Rosen David Efraim · CIK 0001898677 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnote

Disclosed balance after: 6,475,107

F1 · ownership.nature: This Form 4 is filed by Rubric Capital Management LP ("Rubric Capital") and Mr. David Rosen, with respect to the securities held by certain funds and/or accounts (collectively, the "Rubric Vehicles"). Rubric Capital serves as the investment adviser to the Rubric Vehicles. Mr. David Rosen serves as the Managing Member of Rubric Capital Management GP, LLC, the general partner of Rubric Capital. The filing of this statement shall not be deemed an admission that any Reporting Person is the beneficial owner of the securities reported herein for purposes of Section 16 of the Securities Act of 1934, as amended, or otherwise. Each Reporting Person expressly disclaims beneficial ownership of the securities reported herein except to the extent of its or his pecuniary interest therein.

SEC source: 0001628280-24-031761 · wk-form4_1720814527.xml · derivative · entry 1

Nutt Terry L · CIK 0001707031 · CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 41,559

Underlying: Common Stock · 20,779 shares

Expires not disclosed

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 · derivative.exercise_price: Under the terms of the Talen Energy Corporation 2023 Equity Incentive Plan (the "Plan"), each Restricted Stock Unit ("RSU") represents a contingent right to receive one share of the common stock, par value $0.001, of Talen Energy Corporation (the "Company") or its cash equivalent, as determined at the time of settlement by the Compensation Committee of the Company's Board of Directors (the "Compensation Committee"). On July 10, 2024, one-third of this RSU award vested and was settled in cash, as directed by the Compensation Committee pursuant to the terms of the Plan. The balance of this RSU award is scheduled to vest in equal increments on July 10, 2025 and July 10, 2026.

F1 · derivative.exercise_date: Under the terms of the Talen Energy Corporation 2023 Equity Incentive Plan (the "Plan"), each Restricted Stock Unit ("RSU") represents a contingent right to receive one share of the common stock, par value $0.001, of Talen Energy Corporation (the "Company") or its cash equivalent, as determined at the time of settlement by the Compensation Committee of the Company's Board of Directors (the "Compensation Committee"). On July 10, 2024, one-third of this RSU award vested and was settled in cash, as directed by the Compensation Committee pursuant to the terms of the Plan. The balance of this RSU award is scheduled to vest in equal increments on July 10, 2025 and July 10, 2026.

F1 · derivative.expiration_date: Under the terms of the Talen Energy Corporation 2023 Equity Incentive Plan (the "Plan"), each Restricted Stock Unit ("RSU") represents a contingent right to receive one share of the common stock, par value $0.001, of Talen Energy Corporation (the "Company") or its cash equivalent, as determined at the time of settlement by the Compensation Committee of the Company's Board of Directors (the "Compensation Committee"). On July 10, 2024, one-third of this RSU award vested and was settled in cash, as directed by the Compensation Committee pursuant to the terms of the Plan. The balance of this RSU award is scheduled to vest in equal increments on July 10, 2025 and July 10, 2026.

SEC source: 0001209191-16-153598 · doc4.xml · derivative · entry 1

Casey Edward J. Jr. · CIK 0001642085 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 19,186.574 shares

Expires not disclosed

F1 · security: Represents stock units ("Director Stock Units") acquired under the Issuer's Directors Deferred Compensation Plan ("DDCP"). Each Director Stock Unit is the economic equivalent of one share of Issuer common stock. Pursuant to the terms of the DDCP, the Director Stock Units shall settle in common stock upon the director's retirement or separation from service. No conversion or exercise price applies.

F1 · derivative.exercise_price: Represents stock units ("Director Stock Units") acquired under the Issuer's Directors Deferred Compensation Plan ("DDCP"). Each Director Stock Unit is the economic equivalent of one share of Issuer common stock. Pursuant to the terms of the DDCP, the Director Stock Units shall settle in common stock upon the director's retirement or separation from service. No conversion or exercise price applies.

F2 · price: On December 6, 2016, pursuant to the Agreement and Plan of Merger dated as of June 2, 2016 (the "Merger Agreement"), by and among Talen Energy Corporation (the "Company"), RPH Parent LLC, SPH Parent LLC, CRJ Parent LLC and RJS Merger Sub Inc. ("Merger Sub"), Merger Sub merged with and into the Company, with the Company continuing as the surviving corporation on the terms and conditions set forth in the Merger Agreement (the "Merger").

F3 · price: Pursuant to the Merger Agreement, all Director Stock Units outstanding immediately prior to the effective time of the Merger (the "Effective Time") were converted into the right to receive an amount in cash, based on the number of shares of Company common stock subject to the award and the Merger Consideration, and otherwise upon the terms and subject to the conditions set forth in the Merger Agreement.

F4 · price: Pursuant to the Merger Agreement, each share of Company common stock outstanding as of immediately prior to the Effective Time, was, at the Effective Time, automatically converted into the right to receive $14.00 in cash, without interest (the "Merger Consideration").

F1 · derivative.exercise_date: Represents stock units ("Director Stock Units") acquired under the Issuer's Directors Deferred Compensation Plan ("DDCP"). Each Director Stock Unit is the economic equivalent of one share of Issuer common stock. Pursuant to the terms of the DDCP, the Director Stock Units shall settle in common stock upon the director's retirement or separation from service. No conversion or exercise price applies.

F2 · derivative.exercise_date: On December 6, 2016, pursuant to the Agreement and Plan of Merger dated as of June 2, 2016 (the "Merger Agreement"), by and among Talen Energy Corporation (the "Company"), RPH Parent LLC, SPH Parent LLC, CRJ Parent LLC and RJS Merger Sub Inc. ("Merger Sub"), Merger Sub merged with and into the Company, with the Company continuing as the surviving corporation on the terms and conditions set forth in the Merger Agreement (the "Merger").

F3 · derivative.exercise_date: Pursuant to the Merger Agreement, all Director Stock Units outstanding immediately prior to the effective time of the Merger (the "Effective Time") were converted into the right to receive an amount in cash, based on the number of shares of Company common stock subject to the award and the Merger Consideration, and otherwise upon the terms and subject to the conditions set forth in the Merger Agreement.

F1 · derivative.expiration_date: Represents stock units ("Director Stock Units") acquired under the Issuer's Directors Deferred Compensation Plan ("DDCP"). Each Director Stock Unit is the economic equivalent of one share of Issuer common stock. Pursuant to the terms of the DDCP, the Director Stock Units shall settle in common stock upon the director's retirement or separation from service. No conversion or exercise price applies.

F2 · derivative.expiration_date: On December 6, 2016, pursuant to the Agreement and Plan of Merger dated as of June 2, 2016 (the "Merger Agreement"), by and among Talen Energy Corporation (the "Company"), RPH Parent LLC, SPH Parent LLC, CRJ Parent LLC and RJS Merger Sub Inc. ("Merger Sub"), Merger Sub merged with and into the Company, with the Company continuing as the surviving corporation on the terms and conditions set forth in the Merger Agreement (the "Merger").

F3 · derivative.expiration_date: Pursuant to the Merger Agreement, all Director Stock Units outstanding immediately prior to the effective time of the Merger (the "Effective Time") were converted into the right to receive an amount in cash, based on the number of shares of Company common stock subject to the award and the Merger Consideration, and otherwise upon the terms and subject to the conditions set forth in the Merger Agreement.

SEC source: 0001209191-16-153595 · doc4.xml · derivative · entry 2

Breme Paul M. · CIK 0001641901 · SVP, GC & Corporate Secretary

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 45,867 shares

Expires not disclosed

F2 · price: On December 6, 2016, pursuant to the Agreement and Plan of Merger dated as of June 2, 2016 (the "Merger Agreement"), by and among Talen Energy Corporation (the "Company"), RPH Parent LLC, SPH Parent LLC, CRJ Parent LLC and RJS Merger Sub Inc. ("Merger Sub"), Merger Sub merged with and into the Company, with the Company continuing as the surviving corporation on the terms and conditions set forth in the Merger Agreement (the "Merger").

F3 · price: Pursuant to the Merger Agreement, each share of Company common stock outstanding as of immediately prior to the effective time of the Merger (the "Effective Time"), was, at the Effective Time, automatically converted into the right to receive $14.00 in cash, without interest (the "Merger Consideration").

F5 · price: Pursuant to the Merger Agreement, each Company stock option outstanding immediately prior to the Effective Time (whether or not then vested or exercisable) was canceled and terminated at the Effective Time in exchange for an amount in cash, without interest and less applicable withholding taxes, equal to the product of (i) the total number of shares of Company common stock subject to the option immediately prior to the Effective Time and (ii) the excess, if any, of the Merger Consideration over the exercise price per share of Company common stock under such option, except that if the exercise price per share of Company common stock under any such option was equal to or greater than the Merger Consideration, the option was cancelled for no consideration.

F2 · derivative.exercise_date: On December 6, 2016, pursuant to the Agreement and Plan of Merger dated as of June 2, 2016 (the "Merger Agreement"), by and among Talen Energy Corporation (the "Company"), RPH Parent LLC, SPH Parent LLC, CRJ Parent LLC and RJS Merger Sub Inc. ("Merger Sub"), Merger Sub merged with and into the Company, with the Company continuing as the surviving corporation on the terms and conditions set forth in the Merger Agreement (the "Merger").

F3 · derivative.exercise_date: Pursuant to the Merger Agreement, each share of Company common stock outstanding as of immediately prior to the effective time of the Merger (the "Effective Time"), was, at the Effective Time, automatically converted into the right to receive $14.00 in cash, without interest (the "Merger Consideration").

F5 · derivative.exercise_date: Pursuant to the Merger Agreement, each Company stock option outstanding immediately prior to the Effective Time (whether or not then vested or exercisable) was canceled and terminated at the Effective Time in exchange for an amount in cash, without interest and less applicable withholding taxes, equal to the product of (i) the total number of shares of Company common stock subject to the option immediately prior to the Effective Time and (ii) the excess, if any, of the Merger Consideration over the exercise price per share of Company common stock under such option, except that if the exercise price per share of Company common stock under any such option was equal to or greater than the Merger Consideration, the option was cancelled for no consideration.

F2 · derivative.expiration_date: On December 6, 2016, pursuant to the Agreement and Plan of Merger dated as of June 2, 2016 (the "Merger Agreement"), by and among Talen Energy Corporation (the "Company"), RPH Parent LLC, SPH Parent LLC, CRJ Parent LLC and RJS Merger Sub Inc. ("Merger Sub"), Merger Sub merged with and into the Company, with the Company continuing as the surviving corporation on the terms and conditions set forth in the Merger Agreement (the "Merger").

F3 · derivative.expiration_date: Pursuant to the Merger Agreement, each share of Company common stock outstanding as of immediately prior to the effective time of the Merger (the "Effective Time"), was, at the Effective Time, automatically converted into the right to receive $14.00 in cash, without interest (the "Merger Consideration").

F5 · derivative.expiration_date: Pursuant to the Merger Agreement, each Company stock option outstanding immediately prior to the Effective Time (whether or not then vested or exercisable) was canceled and terminated at the Effective Time in exchange for an amount in cash, without interest and less applicable withholding taxes, equal to the product of (i) the total number of shares of Company common stock subject to the option immediately prior to the Effective Time and (ii) the excess, if any, of the Merger Consideration over the exercise price per share of Company common stock under such option, except that if the exercise price per share of Company common stock under any such option was equal to or greater than the Merger Consideration, the option was cancelled for no consideration.

SEC source: 0001209191-16-153595 · doc4.xml · nonDerivative · entry 1

Breme Paul M. · CIK 0001641901 · SVP, GC & Corporate Secretary

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

F1 · shares: Includes shares of Common Stock held by the Reporting Person and awards of restricted stock units previously made.

F2 · price: On December 6, 2016, pursuant to the Agreement and Plan of Merger dated as of June 2, 2016 (the "Merger Agreement"), by and among Talen Energy Corporation (the "Company"), RPH Parent LLC, SPH Parent LLC, CRJ Parent LLC and RJS Merger Sub Inc. ("Merger Sub"), Merger Sub merged with and into the Company, with the Company continuing as the surviving corporation on the terms and conditions set forth in the Merger Agreement (the "Merger").

F3 · price: Pursuant to the Merger Agreement, each share of Company common stock outstanding as of immediately prior to the effective time of the Merger (the "Effective Time"), was, at the Effective Time, automatically converted into the right to receive $14.00 in cash, without interest (the "Merger Consideration").

F4 · price: Pursuant to the Merger Agreement, all restricted stock units and performance units outstanding as of June 2, 2016 and immediately prior to the Effective Time, other than performance units held by Messrs. Farr, McGuire, Hopf and Rausch (the "Senior Executives"), were canceled and terminated in exchange for an amount in cash, based on the number of shares of Company common stock subject to the award and the Merger Consideration. A pro-rata portion of performance units held by the Senior Executives were canceled and terminated in exchange for an amount in cash, based on the number of shares of Company common stock subject to the award and the Merger Consideration. In addition, the remaining shares subject to the Senior Executives' performance unit awards (assuming target achievement of the applicable performance goals) were converted into cash-based retention awards.

SEC source: 0001209191-16-153613 · doc4.xml · derivative · entry 2

McGuire Jeremy R. · CIK 0001642005 · SVP & CFO & Chief Acct Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 86,063 shares

Expires not disclosed

F2 · price: On December 6, 2016, pursuant to the Agreement and Plan of Merger dated as of June 2, 2016 (the "Merger Agreement"), by and among Talen Energy Corporation (the "Company"), RPH Parent LLC, SPH Parent LLC, CRJ Parent LLC and RJS Merger Sub Inc. ("Merger Sub"), Merger Sub merged with and into the Company, with the Company continuing as the surviving corporation on the terms and conditions set forth in the Merger Agreement (the "Merger").

F3 · price: Pursuant to the Merger Agreement, each share of Company common stock outstanding as of immediately prior to the effective time of the Merger (the "Effective Time"), was, at the Effective Time, automatically converted into the right to receive $14.00 in cash, without interest (the "Merger Consideration").

F5 · price: Pursuant to the Merger Agreement, each Company stock option outstanding immediately prior to the Effective Time (whether or not then vested or exercisable) was canceled and terminated at the Effective Time in exchange for an amount in cash, without interest and less applicable withholding taxes, equal to the product of (i) the total number of shares of Company common stock subject to the option immediately prior to the Effective Time and (ii) the excess, if any, of the Merger Consideration over the exercise price per share of Company common stock under such option, except that if the exercise price per share of Company common stock under any such option was equal to or greater than the Merger Consideration, the option was cancelled for no consideration.

F2 · derivative.exercise_date: On December 6, 2016, pursuant to the Agreement and Plan of Merger dated as of June 2, 2016 (the "Merger Agreement"), by and among Talen Energy Corporation (the "Company"), RPH Parent LLC, SPH Parent LLC, CRJ Parent LLC and RJS Merger Sub Inc. ("Merger Sub"), Merger Sub merged with and into the Company, with the Company continuing as the surviving corporation on the terms and conditions set forth in the Merger Agreement (the "Merger").

F3 · derivative.exercise_date: Pursuant to the Merger Agreement, each share of Company common stock outstanding as of immediately prior to the effective time of the Merger (the "Effective Time"), was, at the Effective Time, automatically converted into the right to receive $14.00 in cash, without interest (the "Merger Consideration").

F5 · derivative.exercise_date: Pursuant to the Merger Agreement, each Company stock option outstanding immediately prior to the Effective Time (whether or not then vested or exercisable) was canceled and terminated at the Effective Time in exchange for an amount in cash, without interest and less applicable withholding taxes, equal to the product of (i) the total number of shares of Company common stock subject to the option immediately prior to the Effective Time and (ii) the excess, if any, of the Merger Consideration over the exercise price per share of Company common stock under such option, except that if the exercise price per share of Company common stock under any such option was equal to or greater than the Merger Consideration, the option was cancelled for no consideration.

F2 · derivative.expiration_date: On December 6, 2016, pursuant to the Agreement and Plan of Merger dated as of June 2, 2016 (the "Merger Agreement"), by and among Talen Energy Corporation (the "Company"), RPH Parent LLC, SPH Parent LLC, CRJ Parent LLC and RJS Merger Sub Inc. ("Merger Sub"), Merger Sub merged with and into the Company, with the Company continuing as the surviving corporation on the terms and conditions set forth in the Merger Agreement (the "Merger").

F3 · derivative.expiration_date: Pursuant to the Merger Agreement, each share of Company common stock outstanding as of immediately prior to the effective time of the Merger (the "Effective Time"), was, at the Effective Time, automatically converted into the right to receive $14.00 in cash, without interest (the "Merger Consideration").

F5 · derivative.expiration_date: Pursuant to the Merger Agreement, each Company stock option outstanding immediately prior to the Effective Time (whether or not then vested or exercisable) was canceled and terminated at the Effective Time in exchange for an amount in cash, without interest and less applicable withholding taxes, equal to the product of (i) the total number of shares of Company common stock subject to the option immediately prior to the Effective Time and (ii) the excess, if any, of the Merger Consideration over the exercise price per share of Company common stock under such option, except that if the exercise price per share of Company common stock under any such option was equal to or greater than the Merger Consideration, the option was cancelled for no consideration.

SEC source: 0001209191-16-153613 · doc4.xml · nonDerivative · entry 1

McGuire Jeremy R. · CIK 0001642005 · SVP & CFO & Chief Acct Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

F1 · shares: Includes shares of Common Stock held by the Reporting Person and awards of restricted stock units previously made.

F2 · price: On December 6, 2016, pursuant to the Agreement and Plan of Merger dated as of June 2, 2016 (the "Merger Agreement"), by and among Talen Energy Corporation (the "Company"), RPH Parent LLC, SPH Parent LLC, CRJ Parent LLC and RJS Merger Sub Inc. ("Merger Sub"), Merger Sub merged with and into the Company, with the Company continuing as the surviving corporation on the terms and conditions set forth in the Merger Agreement (the "Merger").

F3 · price: Pursuant to the Merger Agreement, each share of Company common stock outstanding as of immediately prior to the effective time of the Merger (the "Effective Time"), was, at the Effective Time, automatically converted into the right to receive $14.00 in cash, without interest (the "Merger Consideration").

F4 · price: Pursuant to the Merger Agreement, all restricted stock units and performance units outstanding as of June 2, 2016 and immediately prior to the Effective Time, other than performance units held by Messrs. Farr, McGuire, Hopf and Rausch (the "Senior Executives"), were canceled and terminated in exchange for an amount in cash, based on the number of shares of Company common stock subject to the award and the Merger Consideration. A pro-rata portion of performance units held by the Senior Executives were canceled and terminated in exchange for an amount in cash, based on the number of shares of Company common stock subject to the award and the Merger Consideration. In addition, the remaining shares subject to the Senior Executives' performance unit awards (assuming target achievement of the applicable performance goals) were converted into cash-based retention awards.

SEC source: 0001209191-16-153617 · doc4.xml · derivative · entry 3

Schinski James E. · CIK 0001641969 · SVP and Chief Admin. Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 64,305 shares

Expires not disclosed

F3 · price: On December 6, 2016, pursuant to the Agreement and Plan of Merger dated as of June 2, 2016 (the "Merger Agreement"), by and among Talen Energy Corporation (the "Company"), RPH Parent LLC, SPH Parent LLC, CRJ Parent LLC and RJS Merger Sub Inc. ("Merger Sub"), Merger Sub merged with and into the Company, with the Company continuing as the surviving corporation on the terms and conditions set forth in the Merger Agreement (the "Merger").

F4 · price: Pursuant to the Merger Agreement, each share of Company common stock outstanding as of immediately prior to the effective time of the Merger (the "Effective Time"), was, at the Effective Time, automatically converted into the right to receive $14.00 in cash, without interest (the "Merger Consideration").

F6 · price: Pursuant to the Merger Agreement, each Company stock option outstanding immediately prior to the Effective Time (whether or not then vested or exercisable) was canceled and terminated at the Effective Time in exchange for an amount in cash, without interest and less applicable withholding taxes, equal to the product of (i) the total number of shares of Company common stock subject to the option immediately prior to the Effective Time and (ii) the excess, if any, of the Merger Consideration over the exercise price per share of Company common stock under such option, except that if the exercise price per share of Company common stock under any such option was equal to or greater than the Merger Consideration, the option was cancelled for no consideration.

F3 · derivative.exercise_date: On December 6, 2016, pursuant to the Agreement and Plan of Merger dated as of June 2, 2016 (the "Merger Agreement"), by and among Talen Energy Corporation (the "Company"), RPH Parent LLC, SPH Parent LLC, CRJ Parent LLC and RJS Merger Sub Inc. ("Merger Sub"), Merger Sub merged with and into the Company, with the Company continuing as the surviving corporation on the terms and conditions set forth in the Merger Agreement (the "Merger").

F4 · derivative.exercise_date: Pursuant to the Merger Agreement, each share of Company common stock outstanding as of immediately prior to the effective time of the Merger (the "Effective Time"), was, at the Effective Time, automatically converted into the right to receive $14.00 in cash, without interest (the "Merger Consideration").

F6 · derivative.exercise_date: Pursuant to the Merger Agreement, each Company stock option outstanding immediately prior to the Effective Time (whether or not then vested or exercisable) was canceled and terminated at the Effective Time in exchange for an amount in cash, without interest and less applicable withholding taxes, equal to the product of (i) the total number of shares of Company common stock subject to the option immediately prior to the Effective Time and (ii) the excess, if any, of the Merger Consideration over the exercise price per share of Company common stock under such option, except that if the exercise price per share of Company common stock under any such option was equal to or greater than the Merger Consideration, the option was cancelled for no consideration.

F3 · derivative.expiration_date: On December 6, 2016, pursuant to the Agreement and Plan of Merger dated as of June 2, 2016 (the "Merger Agreement"), by and among Talen Energy Corporation (the "Company"), RPH Parent LLC, SPH Parent LLC, CRJ Parent LLC and RJS Merger Sub Inc. ("Merger Sub"), Merger Sub merged with and into the Company, with the Company continuing as the surviving corporation on the terms and conditions set forth in the Merger Agreement (the "Merger").

F4 · derivative.expiration_date: Pursuant to the Merger Agreement, each share of Company common stock outstanding as of immediately prior to the effective time of the Merger (the "Effective Time"), was, at the Effective Time, automatically converted into the right to receive $14.00 in cash, without interest (the "Merger Consideration").

F6 · derivative.expiration_date: Pursuant to the Merger Agreement, each Company stock option outstanding immediately prior to the Effective Time (whether or not then vested or exercisable) was canceled and terminated at the Effective Time in exchange for an amount in cash, without interest and less applicable withholding taxes, equal to the product of (i) the total number of shares of Company common stock subject to the option immediately prior to the Effective Time and (ii) the excess, if any, of the Merger Consideration over the exercise price per share of Company common stock under such option, except that if the exercise price per share of Company common stock under any such option was equal to or greater than the Merger Consideration, the option was cancelled for no consideration.

SEC source: 0001209191-16-153617 · doc4.xml · nonDerivative · entry 2

Schinski James E. · CIK 0001641969 · SVP and Chief Admin. Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

F2 · shares: Includes shares of Common Stock held by the Reporting Person and awards of restricted stock units previously made.

F3 · price: On December 6, 2016, pursuant to the Agreement and Plan of Merger dated as of June 2, 2016 (the "Merger Agreement"), by and among Talen Energy Corporation (the "Company"), RPH Parent LLC, SPH Parent LLC, CRJ Parent LLC and RJS Merger Sub Inc. ("Merger Sub"), Merger Sub merged with and into the Company, with the Company continuing as the surviving corporation on the terms and conditions set forth in the Merger Agreement (the "Merger").

F4 · price: Pursuant to the Merger Agreement, each share of Company common stock outstanding as of immediately prior to the effective time of the Merger (the "Effective Time"), was, at the Effective Time, automatically converted into the right to receive $14.00 in cash, without interest (the "Merger Consideration").

F5 · price: Pursuant to the Merger Agreement, all restricted stock units and performance units outstanding as of June 2, 2016 and immediately prior to the Effective Time, other than performance units held by Messrs. Farr, McGuire, Hopf and Rausch (the "Senior Executives"), were canceled and terminated in exchange for an amount in cash, based on the number of shares of Company common stock subject to the award and the Merger Consideration. A pro-rata portion of performance units held by the Senior Executives were canceled and terminated in exchange for an amount in cash, based on the number of shares of Company common stock subject to the award and the Merger Consideration. In addition, the remaining shares subject to the Senior Executives' performance unit awards (assuming target achievement of the applicable performance goals) were converted into cash-based retention awards.