FE

SEC source: 0001127602-24-008726 · form4.xml · derivative · entry 4

Smith Allan Wade · CIK 0002004630 · President, FE Utilities

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 8,665 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: This Form 4 is being filed to report the vesting, and automatic withholding for tax purposes, of performance-adjusted restricted stock units ("RSUs"), each of which represents a contingent right to receive an award payable in shares of common stock of FirstEnergy Corp. (the "Company") following the vesting date. The satisfaction of the performance goals for the RSUs were certified by the Company's Board of Directors on February 7, 2024, as previously reported on a Form 4 filed on February 9, 2024, and the RSUs vested on March 1, 2024.

F1 · derivative.exercise_date: This Form 4 is being filed to report the vesting, and automatic withholding for tax purposes, of performance-adjusted restricted stock units ("RSUs"), each of which represents a contingent right to receive an award payable in shares of common stock of FirstEnergy Corp. (the "Company") following the vesting date. The satisfaction of the performance goals for the RSUs were certified by the Company's Board of Directors on February 7, 2024, as previously reported on a Form 4 filed on February 9, 2024, and the RSUs vested on March 1, 2024.

F1 · derivative.expiration_date: This Form 4 is being filed to report the vesting, and automatic withholding for tax purposes, of performance-adjusted restricted stock units ("RSUs"), each of which represents a contingent right to receive an award payable in shares of common stock of FirstEnergy Corp. (the "Company") following the vesting date. The satisfaction of the performance goals for the RSUs were certified by the Company's Board of Directors on February 7, 2024, as previously reported on a Form 4 filed on February 9, 2024, and the RSUs vested on March 1, 2024.

SEC source: 0001127602-24-008726 · form4.xml · nonDerivative · entry 2

Smith Allan Wade · CIK 0002004630 · President, FE Utilities

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 98,292

F3 · shares: Represents shares of common stock of the Company automatically withheld to cover tax obligations associated with the vesting of the RSUs described in footnote 1, which transaction is exempt under Rule 16b-3.

SEC source: 0001127602-24-008726 · form4.xml · nonDerivative · entry 1

Smith Allan Wade · CIK 0002004630 · President, FE Utilities

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 102,222

F1 · shares: This Form 4 is being filed to report the vesting, and automatic withholding for tax purposes, of performance-adjusted restricted stock units ("RSUs"), each of which represents a contingent right to receive an award payable in shares of common stock of FirstEnergy Corp. (the "Company") following the vesting date. The satisfaction of the performance goals for the RSUs were certified by the Company's Board of Directors on February 7, 2024, as previously reported on a Form 4 filed on February 9, 2024, and the RSUs vested on March 1, 2024.

F2 · price: The RSUs were granted under the FirstEnergy Corp. 2020 Incentive Compensation Plan and, therefore, the reporting person paid no price for the RSUs.

SEC source: 0001127602-24-008725 · form4.xml · derivative · entry 6

Park Hyun · CIK 0001322841 · SVP & CLO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 92,741.686 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: This Form 4 is being filed to report the vesting, and automatic withholding for tax purposes, of performance-adjusted restricted stock units ("RSUs"), each of which represents a contingent right to receive an award payable 2/3 in shares of common stock of FirstEnergy Corp. (the "Company") ("Share-Based RSUs") and 1/3 in cash ("Cash-Based RSUs") following the vesting date. The satisfaction of the performance goals for the RSUs were certified by the Company's Board of Directors on February 7, 2024, as previously reported on a Form 4 filed on February 9, 2024, and the RSUs vested on March 1, 2024.

F1 · derivative.exercise_date: This Form 4 is being filed to report the vesting, and automatic withholding for tax purposes, of performance-adjusted restricted stock units ("RSUs"), each of which represents a contingent right to receive an award payable 2/3 in shares of common stock of FirstEnergy Corp. (the "Company") ("Share-Based RSUs") and 1/3 in cash ("Cash-Based RSUs") following the vesting date. The satisfaction of the performance goals for the RSUs were certified by the Company's Board of Directors on February 7, 2024, as previously reported on a Form 4 filed on February 9, 2024, and the RSUs vested on March 1, 2024.

F1 · derivative.expiration_date: This Form 4 is being filed to report the vesting, and automatic withholding for tax purposes, of performance-adjusted restricted stock units ("RSUs"), each of which represents a contingent right to receive an award payable 2/3 in shares of common stock of FirstEnergy Corp. (the "Company") ("Share-Based RSUs") and 1/3 in cash ("Cash-Based RSUs") following the vesting date. The satisfaction of the performance goals for the RSUs were certified by the Company's Board of Directors on February 7, 2024, as previously reported on a Form 4 filed on February 9, 2024, and the RSUs vested on March 1, 2024.

SEC source: 0001127602-24-008725 · form4.xml · nonDerivative · entry 3

Park Hyun · CIK 0001322841 · SVP & CLO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 54,294

F4 · shares: Represents the deemed disposition to the Company of the common stock underlying the Cash-Based RSUs, net of applicable withholding obligations, described in footnote 1, which transaction is exempt under Rule 16b-3.

SEC source: 0001127602-24-008725 · form4.xml · nonDerivative · entry 2

Park Hyun · CIK 0001322841 · SVP & CLO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 70,733.222

F3 · shares: Represents shares of common stock of the Company automatically withheld to cover tax obligations associated with the vesting of the RSUs described in footnote 1, which transaction is exempt under Rule 16b-3.

SEC source: 0001127602-24-008725 · form4.xml · nonDerivative · entry 1

Park Hyun · CIK 0001322841 · SVP & CLO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 114,174.686

F1 · shares: This Form 4 is being filed to report the vesting, and automatic withholding for tax purposes, of performance-adjusted restricted stock units ("RSUs"), each of which represents a contingent right to receive an award payable 2/3 in shares of common stock of FirstEnergy Corp. (the "Company") ("Share-Based RSUs") and 1/3 in cash ("Cash-Based RSUs") following the vesting date. The satisfaction of the performance goals for the RSUs were certified by the Company's Board of Directors on February 7, 2024, as previously reported on a Form 4 filed on February 9, 2024, and the RSUs vested on March 1, 2024.

F2 · price: The RSUs were granted under the FirstEnergy Corp. 2020 Incentive Compensation Plan and, therefore, the reporting person paid no price for the RSUs.

SEC source: 0001127602-24-008724 · form4.xml · derivative · entry 5

Lisowski Jason · CIK 0001732499 · VP, Controller & CAO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 18,221.376 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: This Form 4 is being filed to report the vesting, and automatic withholding for tax purposes, of performance-adjusted restricted stock units ("RSUs" ), each of which represents a contingent right to receive an award payable 2/3 in shares of common stock of FirstEnergy Corp. (the "Company") ("Share-Based RSUs") and 1/3 in cash ("Cash-Based RSUs") following the vesting date. The satisfaction of the performance goals for the RSUs were certified by the Company's Board of Directors on February 7, 2024, as previously reported on a Form 4 filed on February 9, 2024, and the RSUs vested on March 1, 2024.

F1 · derivative.exercise_date: This Form 4 is being filed to report the vesting, and automatic withholding for tax purposes, of performance-adjusted restricted stock units ("RSUs" ), each of which represents a contingent right to receive an award payable 2/3 in shares of common stock of FirstEnergy Corp. (the "Company") ("Share-Based RSUs") and 1/3 in cash ("Cash-Based RSUs") following the vesting date. The satisfaction of the performance goals for the RSUs were certified by the Company's Board of Directors on February 7, 2024, as previously reported on a Form 4 filed on February 9, 2024, and the RSUs vested on March 1, 2024.

F1 · derivative.expiration_date: This Form 4 is being filed to report the vesting, and automatic withholding for tax purposes, of performance-adjusted restricted stock units ("RSUs" ), each of which represents a contingent right to receive an award payable 2/3 in shares of common stock of FirstEnergy Corp. (the "Company") ("Share-Based RSUs") and 1/3 in cash ("Cash-Based RSUs") following the vesting date. The satisfaction of the performance goals for the RSUs were certified by the Company's Board of Directors on February 7, 2024, as previously reported on a Form 4 filed on February 9, 2024, and the RSUs vested on March 1, 2024.

SEC source: 0001127602-24-008724 · form4.xml · nonDerivative · entry 3

Lisowski Jason · CIK 0001732499 · VP, Controller & CAO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 9,518.125

F4 · shares: Represents the deemed disposition to the Company of the common stock underlying the Cash-Based RSUs, net of applicable withholding obligations, described in footnote 1, which transaction is exempt under Rule 16b-3.

SEC source: 0001127602-24-008724 · form4.xml · nonDerivative · entry 2

Lisowski Jason · CIK 0001732499 · VP, Controller & CAO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 12,742.664

F3 · shares: Represents shares of common stock of the Company automatically withheld to cover tax obligations associated with the vesting of the RSUs described in footnote 1, which transaction is exempt under Rule 16b-3.

SEC source: 0001127602-24-008724 · form4.xml · nonDerivative · entry 1

Lisowski Jason · CIK 0001732499 · VP, Controller & CAO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 21,174.501

F1 · shares: This Form 4 is being filed to report the vesting, and automatic withholding for tax purposes, of performance-adjusted restricted stock units ("RSUs" ), each of which represents a contingent right to receive an award payable 2/3 in shares of common stock of FirstEnergy Corp. (the "Company") ("Share-Based RSUs") and 1/3 in cash ("Cash-Based RSUs") following the vesting date. The satisfaction of the performance goals for the RSUs were certified by the Company's Board of Directors on February 7, 2024, as previously reported on a Form 4 filed on February 9, 2024, and the RSUs vested on March 1, 2024.

F2 · price: The RSUs were granted under the FirstEnergy Corp. 2020 Incentive Compensation Plan and, therefore, the reporting person paid no price for the RSUs.

SEC source: 0001127602-24-004299 · form4.xml · derivative · entry 4

Walker Christine · CIK 0001747189 · SVP, CHRO & Corporate Services

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 35,868.568

Underlying: Common Stock · 35,868.568 shares

Expires not disclosed

F3 · derivative.exercise_price: Represents performance-adjusted restricted stock units ("RSUs"), each of which represents a contingent right to receive an award payable 2/3 in Company common stock and 1/3 in cash following the vesting date. This Form 4 is being filed to report the satisfaction of the performance goals for the RSUs, as certified by the Company's Board of Directors on February 7, 2024. As a result, these RSUs will vest on March 1, 2024, generally subject to the reporting person's continued service.

F3 · derivative.exercise_date: Represents performance-adjusted restricted stock units ("RSUs"), each of which represents a contingent right to receive an award payable 2/3 in Company common stock and 1/3 in cash following the vesting date. This Form 4 is being filed to report the satisfaction of the performance goals for the RSUs, as certified by the Company's Board of Directors on February 7, 2024. As a result, these RSUs will vest on March 1, 2024, generally subject to the reporting person's continued service.

F3 · derivative.expiration_date: Represents performance-adjusted restricted stock units ("RSUs"), each of which represents a contingent right to receive an award payable 2/3 in Company common stock and 1/3 in cash following the vesting date. This Form 4 is being filed to report the satisfaction of the performance goals for the RSUs, as certified by the Company's Board of Directors on February 7, 2024. As a result, these RSUs will vest on March 1, 2024, generally subject to the reporting person's continued service.

SEC source: 0001127602-24-004298 · form4.xml · derivative · entry 3

TIERNEY BRIAN X · CIK 0001423515 · Director · President and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 141,104.338

Underlying: Common Stock · 141,104.338 shares

Expires not disclosed

F3 · derivative.exercise_price: Represents performance-adjusted restricted stock units ("RSUs"), each of which represents a contingent right to receive an award payable in Company common stock following the vesting date. This Form 4 is being filed to report the satisfaction of the performance goals for the RSUs, as certified by the Company's Board of Directors on February 7, 2024. As a result, these RSUs will vest on March 1, 2024, generally subject to the reporting person's continued service.

F3 · derivative.exercise_date: Represents performance-adjusted restricted stock units ("RSUs"), each of which represents a contingent right to receive an award payable in Company common stock following the vesting date. This Form 4 is being filed to report the satisfaction of the performance goals for the RSUs, as certified by the Company's Board of Directors on February 7, 2024. As a result, these RSUs will vest on March 1, 2024, generally subject to the reporting person's continued service.

F3 · derivative.expiration_date: Represents performance-adjusted restricted stock units ("RSUs"), each of which represents a contingent right to receive an award payable in Company common stock following the vesting date. This Form 4 is being filed to report the satisfaction of the performance goals for the RSUs, as certified by the Company's Board of Directors on February 7, 2024. As a result, these RSUs will vest on March 1, 2024, generally subject to the reporting person's continued service.

SEC source: 0001127602-24-004297 · form4.xml · derivative · entry 2

Thomas Toby L. · CIK 0002002091 · Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 7,778

Underlying: Common Stock · 7,778 shares

Expires not disclosed

F1 · derivative.exercise_price: Represents performance-adjusted restricted stock units ("RSUs"), each of which represents a contingent right to receive an award payable in FirstEnergy Corp. common stock cash following the vesting date. This Form 4 is being filed to report the satisfaction of the performance goals for the RSUs, as certified by the FirstEnergy Corp. Board of Directors on February 7, 2024. As a result, these RSUs will vest on March 1, 2024, generally subject to the reporting person's continued service.

F1 · derivative.exercise_date: Represents performance-adjusted restricted stock units ("RSUs"), each of which represents a contingent right to receive an award payable in FirstEnergy Corp. common stock cash following the vesting date. This Form 4 is being filed to report the satisfaction of the performance goals for the RSUs, as certified by the FirstEnergy Corp. Board of Directors on February 7, 2024. As a result, these RSUs will vest on March 1, 2024, generally subject to the reporting person's continued service.

F1 · derivative.expiration_date: Represents performance-adjusted restricted stock units ("RSUs"), each of which represents a contingent right to receive an award payable in FirstEnergy Corp. common stock cash following the vesting date. This Form 4 is being filed to report the satisfaction of the performance goals for the RSUs, as certified by the FirstEnergy Corp. Board of Directors on February 7, 2024. As a result, these RSUs will vest on March 1, 2024, generally subject to the reporting person's continued service.

SEC source: 0001127602-24-004296 · form4.xml · derivative · entry 3

K. Jon Taylor · CIK 0001575883 · SVP, CFO and Strategy

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 105,814.21

Underlying: Common Stock · 105,814.21 shares

Expires not disclosed

F3 · derivative.exercise_price: Represents performance-adjusted restricted stock units ("RSUs"), each of which represents a contingent right to receive an award payable 2/3 in Company common stock and 1/3 in cash following the vesting date. This Form 4 is being filed to report the satisfaction of the performance goals for the RSUs, as certified by the Company's Board of Directors on February 7, 2024. As a result, these RSUs will vest on March 1, 2024, generally subject to the reporting person's continued service.

F3 · derivative.exercise_date: Represents performance-adjusted restricted stock units ("RSUs"), each of which represents a contingent right to receive an award payable 2/3 in Company common stock and 1/3 in cash following the vesting date. This Form 4 is being filed to report the satisfaction of the performance goals for the RSUs, as certified by the Company's Board of Directors on February 7, 2024. As a result, these RSUs will vest on March 1, 2024, generally subject to the reporting person's continued service.

F3 · derivative.expiration_date: Represents performance-adjusted restricted stock units ("RSUs"), each of which represents a contingent right to receive an award payable 2/3 in Company common stock and 1/3 in cash following the vesting date. This Form 4 is being filed to report the satisfaction of the performance goals for the RSUs, as certified by the Company's Board of Directors on February 7, 2024. As a result, these RSUs will vest on March 1, 2024, generally subject to the reporting person's continued service.

SEC source: 0001127602-24-004295 · form4.xml · derivative · entry 3

SOMERHALDER JOHN W II · CIK 0001145921 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 73,390.392

Underlying: Common Stock · 73,390.392 shares

Expires not disclosed

F2 · derivative.exercise_price: Represents performance-adjusted restricted stock units ("RSUs"), each of which represents a contingent right to receive an award payable in Company common stock following the vesting date. This Form 4 is being filed to report the satisfaction of the performance goals for the RSUs, as certified by the Company's Board of Directors on February 7, 2024. Per the terms of Mr. Somerhalder's award agreement, these RSUs will settle on March 1, 2024, generally subject to the reporting person's continued service.

F2 · derivative.exercise_date: Represents performance-adjusted restricted stock units ("RSUs"), each of which represents a contingent right to receive an award payable in Company common stock following the vesting date. This Form 4 is being filed to report the satisfaction of the performance goals for the RSUs, as certified by the Company's Board of Directors on February 7, 2024. Per the terms of Mr. Somerhalder's award agreement, these RSUs will settle on March 1, 2024, generally subject to the reporting person's continued service.

F2 · derivative.expiration_date: Represents performance-adjusted restricted stock units ("RSUs"), each of which represents a contingent right to receive an award payable in Company common stock following the vesting date. This Form 4 is being filed to report the satisfaction of the performance goals for the RSUs, as certified by the Company's Board of Directors on February 7, 2024. Per the terms of Mr. Somerhalder's award agreement, these RSUs will settle on March 1, 2024, generally subject to the reporting person's continued service.

SEC source: 0001127602-24-004294 · form4.xml · derivative · entry 2

Smith Allan Wade · CIK 0002004630 · President, FE Utilities

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 8,568

Underlying: Common Stock · 8,568 shares

Expires not disclosed

F1 · derivative.exercise_price: Represents performance-adjusted restricted stock units ("RSUs"), each of which represents a contingent right to receive an award payable in FirstEnergy Corp.'s (the "Company") common stock following the vesting date. This Form 4 is being filed to report the satisfaction of the performance goals for the RSUs, as certified by the Company's Board of Directors on February 7, 2024. As a result, these RSUs will vest on March 1, 2024, generally subject to the reporting person's continued service.

F1 · derivative.exercise_date: Represents performance-adjusted restricted stock units ("RSUs"), each of which represents a contingent right to receive an award payable in FirstEnergy Corp.'s (the "Company") common stock following the vesting date. This Form 4 is being filed to report the satisfaction of the performance goals for the RSUs, as certified by the Company's Board of Directors on February 7, 2024. As a result, these RSUs will vest on March 1, 2024, generally subject to the reporting person's continued service.

F1 · derivative.expiration_date: Represents performance-adjusted restricted stock units ("RSUs"), each of which represents a contingent right to receive an award payable in FirstEnergy Corp.'s (the "Company") common stock following the vesting date. This Form 4 is being filed to report the satisfaction of the performance goals for the RSUs, as certified by the Company's Board of Directors on February 7, 2024. As a result, these RSUs will vest on March 1, 2024, generally subject to the reporting person's continued service.

SEC source: 0001127602-24-004293 · form4.xml · derivative · entry 4

Park Hyun · CIK 0001322841 · SVP & CLO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 91,705.876

Underlying: Common Stock · 91,705.876 shares

Expires not disclosed

F2 · derivative.exercise_price: Represents performance-adjusted restricted stock units ("RSUs"), each of which represents a contingent right to receive an award payable 2/3 in Company common stock and 1/3 in cash following the vesting date. This Form 4 is being filed to report the satisfaction of the performance goals for the RSUs, as certified by the Company's Board of Directors on February 7, 2024. As a result, these RSUs will vest on March 1, 2024, generally subject to the reporting person's continued service.

F2 · derivative.exercise_date: Represents performance-adjusted restricted stock units ("RSUs"), each of which represents a contingent right to receive an award payable 2/3 in Company common stock and 1/3 in cash following the vesting date. This Form 4 is being filed to report the satisfaction of the performance goals for the RSUs, as certified by the Company's Board of Directors on February 7, 2024. As a result, these RSUs will vest on March 1, 2024, generally subject to the reporting person's continued service.

F2 · derivative.expiration_date: Represents performance-adjusted restricted stock units ("RSUs"), each of which represents a contingent right to receive an award payable 2/3 in Company common stock and 1/3 in cash following the vesting date. This Form 4 is being filed to report the satisfaction of the performance goals for the RSUs, as certified by the Company's Board of Directors on February 7, 2024. As a result, these RSUs will vest on March 1, 2024, generally subject to the reporting person's continued service.

SEC source: 0001127602-24-004292 · form4.xml · derivative · entry 3

Lisowski Jason · CIK 0001732499 · VP, Controller & CAO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 18,017.168

Underlying: Common Stock · 18,017.168 shares

Expires not disclosed

F3 · derivative.exercise_price: Represents performance-adjusted restricted stock units ("RSUs"), each of which represents a contingent right to receive an award payable 2/3 in Company common stock and 1/3 in cash following the vesting date. This Form 4 is being filed to report the satisfaction of the performance goals for the RSUs, as certified by the Company's Board of Directors on February 7, 2024. As a result, these RSUs will vest on March 1, 2024, generally subject to the reporting person's continued service.

F3 · derivative.exercise_date: Represents performance-adjusted restricted stock units ("RSUs"), each of which represents a contingent right to receive an award payable 2/3 in Company common stock and 1/3 in cash following the vesting date. This Form 4 is being filed to report the satisfaction of the performance goals for the RSUs, as certified by the Company's Board of Directors on February 7, 2024. As a result, these RSUs will vest on March 1, 2024, generally subject to the reporting person's continued service.

F3 · derivative.expiration_date: Represents performance-adjusted restricted stock units ("RSUs"), each of which represents a contingent right to receive an award payable 2/3 in Company common stock and 1/3 in cash following the vesting date. This Form 4 is being filed to report the satisfaction of the performance goals for the RSUs, as certified by the Company's Board of Directors on February 7, 2024. As a result, these RSUs will vest on March 1, 2024, generally subject to the reporting person's continued service.

SEC source: 0001127602-24-000858 · form4.xml · derivative · entry 2

Williams Melvin D. · CIK 0001864882 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 8,332.6624

Underlying: Common Stock · 1,083 shares

Expires not disclosed

F1 · security: Represents shares paid quarterly under the FirstEnergy Corp. 2020 Incentive Compensation Plan and deferred pursuant to the FirstEnergy Corp. Deferred Compensation Plan for Outside Directors.

F2 · derivative.exercise_price: 1 for 1

F3 · derivative.exercise_date: This holding reflects phantom stock payable in cash or shares of FirstEnergy Corp. common stock following conclusion of service as a director, in accordance with the terms and conditions of the FirstEnergy Corp. Deferred Compensation Plan for Outside Directors. Each share of phantom stock is the economic equivalent of one share of common stock.

F3 · derivative.expiration_date: This holding reflects phantom stock payable in cash or shares of FirstEnergy Corp. common stock following conclusion of service as a director, in accordance with the terms and conditions of the FirstEnergy Corp. Deferred Compensation Plan for Outside Directors. Each share of phantom stock is the economic equivalent of one share of common stock.

F4 · balance_after: Includes phantom stock units acquired through dividend reinvestments.

SEC source: 0001127602-24-000855 · form4.xml · derivative · entry 2

Turner Leslie M · CIK 0001553405 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 17,917.3054

Underlying: Common Stock · 1,083 shares

Expires not disclosed

F1 · security: Represents shares paid quarterly for director compensation under the FirstEnergy Corp. 2020 Incentive Compensation Plan and deferred pursuant to the FirstEnergy Corp. Deferred Compensation Plan for Outside Directors.

F2 · derivative.exercise_price: 1 for 1

F3 · derivative.exercise_date: This holding reflects phantom stock payable in cash or shares of FirstEnergy Corp. common stock following conclusion of service as a director, in accordance with the terms and conditions of the FirstEnergy Corp. Deferred Compensation Plan for Outside Directors. Each share of phantom stock is the economic equivalent of one share of common stock.

F3 · derivative.expiration_date: This holding reflects phantom stock payable in cash or shares of FirstEnergy Corp. common stock following conclusion of service as a director, in accordance with the terms and conditions of the FirstEnergy Corp. Deferred Compensation Plan for Outside Directors. Each share of phantom stock is the economic equivalent of one share of common stock.

F4 · balance_after: Includes phantom stock units acquired through dividend reinvestments.

SEC source: 0001127602-24-000850 · form4.xml · nonDerivative · entry 1

SOMERHALDER JOHN W II · CIK 0001145921 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 104,353

F1 · security: Represents shares paid quarterly under the FirstEnergy Corp. 2020 Incentive Compensation Plan

SEC source: 0001127602-24-000846 · form4.xml · derivative · entry 2

ONEIL JAMES F · CIK 0001102786 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 37,187.0817

Underlying: Common Stock · 1,083 shares

Expires not disclosed

F2 · security: Represents shares paid quarterly for director compensation under the FirstEnergy Corp. 2020 Incentive Compensation Plan and deferred pursuant to the FirstEnergy Corp. Deferred Compensation Plan for Outside Directors.

F3 · derivative.exercise_price: 1 for 1

F4 · derivative.exercise_date: This holding reflects phantom stock payable in cash or shares of FirstEnergy Corp. common stock following conclusion of service as a director, in accordance with the terms and conditions of the FirstEnergy Corp. Deferred Compensation Plan for Outside Directors. Each share of phantom stock is the economic equivalent of one share of common stock.

F4 · derivative.expiration_date: This holding reflects phantom stock payable in cash or shares of FirstEnergy Corp. common stock following conclusion of service as a director, in accordance with the terms and conditions of the FirstEnergy Corp. Deferred Compensation Plan for Outside Directors. Each share of phantom stock is the economic equivalent of one share of common stock.

F5 · balance_after: Includes phantom stock units acquired through dividend reinvestments.

SEC source: 0001127602-24-000844 · form4.xml · derivative · entry 2

KALETA PAUL J · CIK 0001349867 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 8,332.6624

Underlying: Common Stock · 1,083 shares

Expires not disclosed

F1 · security: Represents shares paid quarterly under the FirstEnergy Corp. 2020 Incentive Compensation Plan and deferred pursuant to the FirstEnergy Corp. Deferred Compensation Plan for Outside Directors.

F2 · derivative.exercise_price: 1 for 1

F3 · derivative.exercise_date: This holding reflects phantom stock payable in cash or shares of FirstEnergy Corp. common stock following conclusion of service as a director, in accordance with the terms and conditions of the FirstEnergy Corp. Deferred Compensation Plan for Outside Directors. Each share of phantom stock is the economic equivalent of one share of common stock.

F3 · derivative.expiration_date: This holding reflects phantom stock payable in cash or shares of FirstEnergy Corp. common stock following conclusion of service as a director, in accordance with the terms and conditions of the FirstEnergy Corp. Deferred Compensation Plan for Outside Directors. Each share of phantom stock is the economic equivalent of one share of common stock.

F4 · balance_after: Includes phantom stock units acquired through dividend reinvestments.

SEC source: 0001127602-24-000843 · form4.xml · derivative · entry 3

Hicks Lisa Winston · CIK 0001870881 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 8,332.6624

Underlying: Common Stock · 1,083 shares

Expires not disclosed

F2 · security: Represents shares paid quarterly for director compensation under the FirstEnergy Corp. 2020 Incentive Compensation Plan and deferred pursuant to the FirstEnergy Corp. Deferred Compensation Plan for Outside Directors.

F3 · derivative.exercise_price: 1 for 1

F4 · derivative.exercise_date: This holding reflects phantom stock payable in cash or shares of FirstEnergy Corp. common stock following conclusion of service as a director, in accordance with the terms and conditions of the FirstEnergy Corp. Deferred Compensation Plan for Outside Directors. Each share of phantom stock is the economic equivalent of one share of common stock.

F4 · derivative.expiration_date: This holding reflects phantom stock payable in cash or shares of FirstEnergy Corp. common stock following conclusion of service as a director, in accordance with the terms and conditions of the FirstEnergy Corp. Deferred Compensation Plan for Outside Directors. Each share of phantom stock is the economic equivalent of one share of common stock.

F5 · balance_after: Includes phantom stock units acquired through dividend reinvestments.

SEC source: 0001127602-24-000841 · form4.xml · nonDerivative · entry 1

DEMETRIOU STEVEN J. · CIK 0001173003 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 8,449

F1 · security: Represents shares paid quarterly for director compensation under the FirstEnergy Corp. 2020 Incentive Compensation Plan.

SEC source: 0001127602-24-000839 · form4.xml · derivative · entry 2

Croom Jana T · CIK 0001840657 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 4,388.029

Underlying: Common Stock · 1,083 shares

Expires not disclosed

F2 · security: Represents shares paid quarterly for director compensation under the FirstEnergy Corp. 2020 Incentive Compensation Plan and deferred pursuant to the FirstEnergy Corp. Deferred Compensation Plan for Outside Directors.

F3 · derivative.exercise_price: 1 for 1

F4 · derivative.exercise_date: This holding reflects phantom stock payable in cash or shares of FirstEnergy Corp. common stock following conclusion of service as a director, in accordance with the terms and conditions of the FirstEnergy Corp. Deferred Compensation Plan for Outside Directors. Each share of phantom stock is the economic equivalent of one share of common stock.

F4 · derivative.expiration_date: This holding reflects phantom stock payable in cash or shares of FirstEnergy Corp. common stock following conclusion of service as a director, in accordance with the terms and conditions of the FirstEnergy Corp. Deferred Compensation Plan for Outside Directors. Each share of phantom stock is the economic equivalent of one share of common stock.

F5 · balance_after: Includes phantom stock units acquired through dividend reinvestments.

SEC source: 0001127602-23-030197 · form4.xml · nonDerivative · entry 1

Smith Allan Wade · CIK 0002004630 · President, FE Utilities

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 93,557

F1 · shares: Restricted stock was granted pursuant to an award agreement effective on December 18, 2023.

SEC source: 0001127602-23-028767 · form4.xml · nonDerivative · entry 1

Thomas Toby L. · CIK 0002002091 · Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 8,138

F1 · shares: Restricted stock was granted pursuant to an award agreement effective on November 30, 2023.

SEC source: 0001127602-23-028416 · form4.xml · nonDerivative · entry 1

Walker Christine · CIK 0001747189 · SVP, CHRO & Corporate Services

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 36,959.28

F1 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $37.56 to $37.605, inclusive. The reporting person undertakes to provide to FirstEnergy Corp., any security holder of FirstEnergy Corp., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote.

F2 · balance_after: Balance includes restricted stock and shares acquired through dividend reinvestments.

SEC source: 0001127602-23-025513 · form4.xml · derivative · entry 1

Williams Melvin D. · CIK 0001864882 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 7,169.902

Underlying: Common Stock · 1,204 shares

Expires not disclosed

F1 · security: Represents shares paid quarterly under the FirstEnergy Corp. 2020 Incentive Compensation Plan and deferred pursuant to the FirstEnergy Corp. Deferred Compensation Plan for Outside Directors.

F2 · derivative.exercise_price: 1 for 1

F3 · derivative.exercise_date: This holding reflects phantom stock payable in cash or shares of FirstEnergy Corp. common stock following conclusion of service as a director, in accordance with the terms and conditions of the FirstEnergy Corp. Deferred Compensation Plan for Outside Directors. Each share of phantom stock is the economic equivalent of one share of common stock.

F3 · derivative.expiration_date: This holding reflects phantom stock payable in cash or shares of FirstEnergy Corp. common stock following conclusion of service as a director, in accordance with the terms and conditions of the FirstEnergy Corp. Deferred Compensation Plan for Outside Directors. Each share of phantom stock is the economic equivalent of one share of common stock.

F4 · balance_after: Includes phantom stock units acquired through dividend reinvestments.

SEC source: 0001127602-23-025511 · form4.xml · derivative · entry 1

Turner Leslie M · CIK 0001553405 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 16,648.98

Underlying: Common Stock · 1,204 shares

Expires not disclosed

F1 · security: Represents shares paid quarterly for director compensation under the FirstEnergy Corp. 2020 Incentive Compensation Plan and deferred pursuant to the FirstEnergy Corp. Deferred Compensation Plan for Outside Directors.

F2 · derivative.exercise_price: 1 for 1

F3 · derivative.exercise_date: This holding reflects phantom stock payable in cash or shares of FirstEnergy Corp. common stock following conclusion of service as a director, in accordance with the terms and conditions of the FirstEnergy Corp. Deferred Compensation Plan for Outside Directors. Each share of phantom stock is the economic equivalent of one share of common stock.

F3 · derivative.expiration_date: This holding reflects phantom stock payable in cash or shares of FirstEnergy Corp. common stock following conclusion of service as a director, in accordance with the terms and conditions of the FirstEnergy Corp. Deferred Compensation Plan for Outside Directors. Each share of phantom stock is the economic equivalent of one share of common stock.

F4 · balance_after: Includes phantom stock units acquired through dividend reinvestments.

SEC source: 0001127602-23-025504 · form4.xml · derivative · entry 1

Teno Andrew · CIK 0001700750 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 7,169.902

Underlying: Common Stock · 1,204 shares

Expires not disclosed

F1 · security: Represents shares paid quarterly under the FirstEnergy Corp. 2020 Incentive Compensation Plan and deferred pursuant to the FirstEnergy Corp. Deferred Compensation Plan for Outside Directors.

F2 · derivative.exercise_price: 1 for 1

F3 · derivative.exercise_date: This holding reflects phantom stock payable in cash or shares of FirstEnergy Corp. common stock following conclusion of service as a director, in accordance with the terms and conditions of the FirstEnergy Corp. Deferred Compensation Plan for Outside Directors. Each share of phantom stock is the economic equivalent of one share of common stock.

F3 · derivative.expiration_date: This holding reflects phantom stock payable in cash or shares of FirstEnergy Corp. common stock following conclusion of service as a director, in accordance with the terms and conditions of the FirstEnergy Corp. Deferred Compensation Plan for Outside Directors. Each share of phantom stock is the economic equivalent of one share of common stock.

F4 · balance_after: Includes phantom stock units acquired through dividend reinvestments.

SEC source: 0001127602-23-025503 · form4.xml · nonDerivative · entry 1

SOMERHALDER JOHN W II · CIK 0001145921 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 102,593

F1 · shares: Represents shares paid quarterly under the FirstEnergy Corp. 2020 Incentive Compensation Plan in recognition of his service as (i) a non-employee director and (ii) a non-executive Board Chair.

SEC source: 0001127602-23-025501 · form4.xml · derivative · entry 1

ONEIL JAMES F · CIK 0001102786 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 35,706.531

Underlying: Common Stock · 1,204 shares

Expires not disclosed

F1 · security: Represents shares paid quarterly for director compensation under the FirstEnergy Corp. 2020 Incentive Compensation Plan and deferred pursuant to the FirstEnergy Corp. Deferred Compensation Plan for Outside Directors.

F2 · derivative.exercise_price: 1 for 1

F3 · derivative.exercise_date: This holding reflects phantom stock payable in cash or shares of FirstEnergy Corp. common stock following conclusion of service as a director, in accordance with the terms and conditions of the FirstEnergy Corp. Deferred Compensation Plan for Outside Directors. Each share of phantom stock is the economic equivalent of one share of common stock.

F3 · derivative.expiration_date: This holding reflects phantom stock payable in cash or shares of FirstEnergy Corp. common stock following conclusion of service as a director, in accordance with the terms and conditions of the FirstEnergy Corp. Deferred Compensation Plan for Outside Directors. Each share of phantom stock is the economic equivalent of one share of common stock.

F4 · balance_after: Includes phantom stock units acquired through dividend reinvestments.

SEC source: 0001127602-23-025499 · form4.xml · derivative · entry 1

KALETA PAUL J · CIK 0001349867 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 7,169.902

Underlying: Common Stock · 1,204 shares

Expires not disclosed

F1 · security: Represents shares paid quarterly under the FirstEnergy Corp. 2020 Incentive Compensation Plan and deferred pursuant to the FirstEnergy Corp. Deferred Compensation Plan for Outside Directors.

F2 · derivative.exercise_price: 1 for 1

F3 · derivative.exercise_date: This holding reflects phantom stock payable in cash or shares of FirstEnergy Corp. common stock following conclusion of service as a director, in accordance with the terms and conditions of the FirstEnergy Corp. Deferred Compensation Plan for Outside Directors. Each share of phantom stock is the economic equivalent of one share of common stock.

F3 · derivative.expiration_date: This holding reflects phantom stock payable in cash or shares of FirstEnergy Corp. common stock following conclusion of service as a director, in accordance with the terms and conditions of the FirstEnergy Corp. Deferred Compensation Plan for Outside Directors. Each share of phantom stock is the economic equivalent of one share of common stock.

F4 · balance_after: Includes phantom stock units acquired through dividend reinvestments.

SEC source: 0001127602-23-025498 · form4.xml · derivative · entry 1

Hicks Lisa Winston · CIK 0001870881 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 7,169.902

Underlying: Common Stock · 1,204 shares

Expires not disclosed

F1 · security: Represents shares paid quarterly for director compensation under the FirstEnergy Corp. 2020 Incentive Compensation Plan and deferred pursuant to the FirstEnergy Corp. Deferred Compensation Plan for Outside Directors.

F2 · derivative.exercise_price: 1 for 1

F3 · derivative.exercise_date: This holding reflects phantom stock payable in cash or shares of FirstEnergy Corp. common stock following conclusion of service as a director, in accordance with the terms and conditions of the FirstEnergy Corp. Deferred Compensation Plan for Outside Directors. Each share of phantom stock is the economic equivalent of one share of common stock.

F3 · derivative.expiration_date: This holding reflects phantom stock payable in cash or shares of FirstEnergy Corp. common stock following conclusion of service as a director, in accordance with the terms and conditions of the FirstEnergy Corp. Deferred Compensation Plan for Outside Directors. Each share of phantom stock is the economic equivalent of one share of common stock.

F4 · balance_after: Includes phantom stock units acquired through dividend reinvestments.

SEC source: 0001127602-23-025496 · form4.xml · derivative · entry 1

Croom Jana T · CIK 0001840657 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,268.711

Underlying: Common Stock · 1,204 shares

Expires not disclosed

F1 · security: Represents shares paid quarterly for director compensation under the FirstEnergy Corp. 2020 Incentive Compensation Plan and deferred pursuant to the FirstEnergy Corp. Deferred Compensation Plan for Outside Directors.

F2 · derivative.exercise_price: 1 for 1

F3 · derivative.exercise_date: This holding reflects phantom stock payable in cash or shares of FirstEnergy Corp. common stock following conclusion of service as a director, in accordance with the terms and conditions of the FirstEnergy Corp. Deferred Compensation Plan for Outside Directors. Each share of phantom stock is the economic equivalent of one share of common stock.

F3 · derivative.expiration_date: This holding reflects phantom stock payable in cash or shares of FirstEnergy Corp. common stock following conclusion of service as a director, in accordance with the terms and conditions of the FirstEnergy Corp. Deferred Compensation Plan for Outside Directors. Each share of phantom stock is the economic equivalent of one share of common stock.

F4 · balance_after: Includes phantom stock units acquired through dividend reinvestments.

SEC source: 0001127602-23-025497 · form4.xml · nonDerivative · entry 1

DEMETRIOU STEVEN J. · CIK 0001173003 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 7,366

F1 · security: Represents shares paid quarterly for director compensation under the FirstEnergy Corp. 2020 Incentive Compensation Plan.

SEC source: 0001127602-23-020452 · form4.xml · nonDerivative · entry 2

SOMERHALDER JOHN W II · CIK 0001145921 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 100,637

F3 · shares: This transaction reflects the number of shares withheld pursuant to the terms of the January 2023 Restricted Stock Units Award Agreement to satisfy the reporting person's tax withholding obligation upon the vesting of 76,499 restricted stock units.

SEC source: 0001127602-23-020452 · form4.xml · nonDerivative · entry 1

SOMERHALDER JOHN W II · CIK 0001145921 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 135,330

F1 · shares: Reflects the downward adjustment to the target number of restricted stock units and accrued dividend equivalents granted to the reporting person in January 2023 per the terms of the Restricted Stock Units Award Agreement.

F2 · balance_after: Includes the number of dividend equivalents accrued pursuant to the terms of the January 2023 Restricted Stock Units Award Agreement.

SEC source: 0001127602-23-020380 · form4.xml · derivative · entry 1

Williams Melvin D. · CIK 0001864882 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 5,901.889

Underlying: Common Stock · 1,029 shares

Expires not disclosed

F1 · security: Represents shares paid quarterly under the FirstEnergy Corp. 2020 Incentive Compensation Plan and deferred pursuant to the FirstEnergy Corp. Deferred Compensation Plan for Outside Directors.

F2 · derivative.exercise_price: 1 for 1

F3 · derivative.exercise_date: This holding reflects phantom stock payable in cash or shares of FirstEnergy Corp. common stock following conclusion of service as a director, in accordance with the terms and conditions of the FirstEnergy Corp. Deferred Compensation Plan for Outside Directors. Each share of phantom stock is the economic equivalent of one share of common stock.

F3 · derivative.expiration_date: This holding reflects phantom stock payable in cash or shares of FirstEnergy Corp. common stock following conclusion of service as a director, in accordance with the terms and conditions of the FirstEnergy Corp. Deferred Compensation Plan for Outside Directors. Each share of phantom stock is the economic equivalent of one share of common stock.

F4 · balance_after: Includes phantom stock units acquired through dividend reinvestments.

SEC source: 0001127602-23-020416 · form4.xml · nonDerivative · entry 1

SOMERHALDER JOHN W II · CIK 0001145921 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 144,059

F1 · security: Represents second quarter equity compensation, prorated June 1, 2023 through June 30, 2023, paid to Mr. Somerhalder under the 2020 FirstEnergy Corp. Incentive Compensation Plan in recognition of his service as (i) a non-employee director and (ii) a non-executive Board Chair.

SEC source: 0001127602-23-020379 · form4.xml · derivative · entry 1

Turner Leslie M · CIK 0001553405 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 15,279.316

Underlying: Common Stock · 1,029 shares

Expires not disclosed

F1 · security: Represents shares paid quarterly for director compensation under the FirstEnergy Corp. 2020 Incentive Compensation Plan and deferred pursuant to the FirstEnergy Corp. Deferred Compensation Plan for Outside Directors.

F2 · derivative.exercise_price: 1 for 1

F3 · derivative.exercise_date: This holding reflects phantom stock payable in cash or shares of FirstEnergy Corp. common stock following conclusion of service as a director, in accordance with the terms and conditions of the FirstEnergy Corp. Deferred Compensation Plan for Outside Directors. Each share of phantom stock is the economic equivalent of one share of common stock.

F3 · derivative.expiration_date: This holding reflects phantom stock payable in cash or shares of FirstEnergy Corp. common stock following conclusion of service as a director, in accordance with the terms and conditions of the FirstEnergy Corp. Deferred Compensation Plan for Outside Directors. Each share of phantom stock is the economic equivalent of one share of common stock.

F4 · balance_after: Includes phantom stock units acquired through dividend reinvestments.

SEC source: 0001127602-23-020378 · form4.xml · derivative · entry 1

Teno Andrew · CIK 0001700750 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 5,901.889

Underlying: Common Stock · 1,029 shares

Expires not disclosed

F1 · security: Represents shares paid quarterly under the FirstEnergy Corp. 2020 Incentive Compensation Plan and deferred pursuant to the FirstEnergy Corp. Deferred Compensation Plan for Outside Directors.

F2 · derivative.exercise_price: 1 for 1

F3 · derivative.exercise_date: This holding reflects phantom stock payable in cash or shares of FirstEnergy Corp. common stock following conclusion of service as a director, in accordance with the terms and conditions of the FirstEnergy Corp. Deferred Compensation Plan for Outside Directors. Each share of phantom stock is the economic equivalent of one share of common stock.

F3 · derivative.expiration_date: This holding reflects phantom stock payable in cash or shares of FirstEnergy Corp. common stock following conclusion of service as a director, in accordance with the terms and conditions of the FirstEnergy Corp. Deferred Compensation Plan for Outside Directors. Each share of phantom stock is the economic equivalent of one share of common stock.

F4 · balance_after: Includes phantom stock units acquired through dividend reinvestments.

SEC source: 0001127602-23-020377 · form4.xml · derivative · entry 1

ONEIL JAMES F · CIK 0001102786 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 34,121.943

Underlying: Common Stock · 1,029 shares

Expires not disclosed

F1 · security: Represents shares paid quarterly for director compensation under the FirstEnergy Corp. 2020 Incentive Compensation Plan and deferred pursuant to the FirstEnergy Corp. Deferred Compensation Plan for Outside Directors.

F2 · derivative.exercise_price: 1 for 1

F3 · derivative.exercise_date: This holding reflects phantom stock payable in cash or shares of FirstEnergy Corp. common stock of which a portion will pay on January 1, 2024 and a portion will pay on January 1, 2025, unless the director concludes service prior, in accordance with the terms and conditions of the FirstEnergy Corp. Deferred Compensation Plan for Outside Directors. Each share of phantom stock is the economic equivalent of one share of common stock.

F3 · derivative.expiration_date: This holding reflects phantom stock payable in cash or shares of FirstEnergy Corp. common stock of which a portion will pay on January 1, 2024 and a portion will pay on January 1, 2025, unless the director concludes service prior, in accordance with the terms and conditions of the FirstEnergy Corp. Deferred Compensation Plan for Outside Directors. Each share of phantom stock is the economic equivalent of one share of common stock.

F4 · balance_after: Includes phantom stock units acquired through dividend reinvestments.

SEC source: 0001127602-23-020376 · form4.xml · derivative · entry 1

KALETA PAUL J · CIK 0001349867 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 5,901.889

Underlying: Common Stock · 1,029 shares

Expires not disclosed

F1 · security: Represents shares paid quarterly under the FirstEnergy Corp. 2020 Incentive Compensation Plan and deferred pursuant to the FirstEnergy Corp. Deferred Compensation Plan for Outside Directors.

F2 · derivative.exercise_price: 1 for 1

F3 · derivative.exercise_date: This holding reflects phantom stock payable in cash or shares of FirstEnergy Corp. common stock following conclusion of service as a director, in accordance with the terms and conditions of the FirstEnergy Corp. Deferred Compensation Plan for Outside Directors. Each share of phantom stock is the economic equivalent of one share of common stock.

F3 · derivative.expiration_date: This holding reflects phantom stock payable in cash or shares of FirstEnergy Corp. common stock following conclusion of service as a director, in accordance with the terms and conditions of the FirstEnergy Corp. Deferred Compensation Plan for Outside Directors. Each share of phantom stock is the economic equivalent of one share of common stock.

F4 · balance_after: Includes phantom stock units acquired through dividend reinvestments.

SEC source: 0001127602-23-020374 · form4.xml · derivative · entry 1

Hicks Lisa Winston · CIK 0001870881 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 5,901.889

Underlying: Common Stock · 1,029 shares

Expires not disclosed

F1 · security: Represents shares paid quarterly for director compensation under the FirstEnergy Corp. 2020 Incentive Compensation Plan and deferred pursuant to the FirstEnergy Corp. Deferred Compensation Plan for Outside Directors.

F2 · derivative.exercise_price: 1 for 1

F3 · derivative.exercise_date: This holding reflects phantom stock payable in cash or shares of FirstEnergy Corp. common stock following conclusion of service as a director, in accordance with the terms and conditions of the FirstEnergy Corp. Deferred Compensation Plan for Outside Directors. Each share of phantom stock is the economic equivalent of one share of common stock.

F3 · derivative.expiration_date: This holding reflects phantom stock payable in cash or shares of FirstEnergy Corp. common stock following conclusion of service as a director, in accordance with the terms and conditions of the FirstEnergy Corp. Deferred Compensation Plan for Outside Directors. Each share of phantom stock is the economic equivalent of one share of common stock.

F4 · balance_after: Includes phantom stock units acquired through dividend reinvestments.

SEC source: 0001127602-23-020373 · form4.xml · nonDerivative · entry 1

DEMETRIOU STEVEN J. · CIK 0001173003 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 6,162

F1 · security: Represents shares paid quarterly for director compensation under the FirstEnergy Corp. 2020 Incentive Compensation Plan.

SEC source: 0001127602-23-020371 · form4.xml · derivative · entry 1

Croom Jana T · CIK 0001840657 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,042.54

Underlying: Common Stock · 1,029 shares

Expires not disclosed

F1 · security: Represents shares paid quarterly for director compensation under the FirstEnergy Corp. 2020 Incentive Compensation Plan and deferred pursuant to the FirstEnergy Corp. Deferred Compensation Plan for Outside Directors.

F2 · derivative.exercise_price: 1 for 1

F3 · derivative.exercise_date: This holding reflects phantom stock payable in cash or shares of FirstEnergy Corp. common stock following conclusion of service as a director, in accordance with the terms and conditions of the FirstEnergy Corp. Deferred Compensation Plan for Outside Directors. Each share of phantom stock is the economic equivalent of one share of common stock.

F3 · derivative.expiration_date: This holding reflects phantom stock payable in cash or shares of FirstEnergy Corp. common stock following conclusion of service as a director, in accordance with the terms and conditions of the FirstEnergy Corp. Deferred Compensation Plan for Outside Directors. Each share of phantom stock is the economic equivalent of one share of common stock.

F4 · balance_after: Includes phantom stock units acquired through dividend reinvestments.