| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| ONEIL JAMES F | Director | 341 WHITE POND DRIVE, AKRON | /s/ Mary M. Swann, attorney-in-fact | 13 Mar 2026 | 0001102786 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | FE | Common Stock | Sale | $402,041 | -7,945 | -81% | $50.60 | 1,869 | 11 Mar 2026 | Direct | F1 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Underlying Class | Amount | Exercise Price | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| holding | FE | Phantom Stock Units | 44,966 | 11 Mar 2026 | Common Stock | 44,966 | Direct | F2, F3, F4 |
| Id | Content |
|---|---|
| F1 | The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $50.60 to $50.621, inclusive. The reporting person undertakes to provide to FirstEnergy Corp. (the "Company"), any security holder of the Company, 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 | 1 for 1 |
| F3 | This holding reflects phantom stock units payable in cash or shares of Company common stock following conclusion of service as a director, in accordance with the terms and conditions of the Company Deferred Compensation Plan for Outside Directors. Each phantom stock unit is the economic equivalent of one share of common stock. |
| F4 | Includes dividends accrued on phantom stock units. |