| Exhibit Number | | | | | | | | | Description | | |
| | | | | | | | | | | |
| (A) (B) | | | 10.1 | | | | | | Voluntary Retirement Agreement with Christine L. Walker | | |
| (A) | | | 10.2 | | | | | | Amendment No. 3 to Credit Agreement, dated as of October 24, 2024, among FE, as borrower, the banks and other financial institutions party thereto, as lenders, and JPMorgan Chase Bank, N.A., as administrative agent | | |
| (A) | | | 10.3 | | | | | | Amendment No. 3 to Credit Agreement, dated as of October 24, 2024, among CEI, OE and TE, as borrowers, the banks and other financial institutions party thereto, as lenders, and JPMorgan Chase Bank, N.A., as administrative agent | | |
| (A) | | | 10.4 | | | | | | Amendment No. 3 to Credit Agreement, dated as of October 24, 2024, among FE PA, as borrower, the banks and other financial institutions party thereto, as lenders, and Mizuho Bank, Ltd., as administrative agent | | |
| (A) | | | 10.5 | | | | | | Amendment No. 3 to Credit Agreement, dated as of October 24, 2024, among JCP&L, as borrower, the banks and other financial institutions party thereto, as lenders, and Mizuho Bank, Ltd., as administrative agent | | |
| (A) | | | 10.6 | | | | | | Amendment No. 3 to Credit Agreement, dated as of October 24, 2024, among MP and PE, the banks and other financial institutions party thereto, as lenders, and Mizuho Bank, Ltd., as administrative agent | | |
| (A) | | | 10.7 | | | | | | Amendment No. 3 to Credit Agreement, dated as of October 24, 2024, among ATSI, MAIT and TrAIL, as borrower, the banks and other financial institutions party thereto, as lenders, and PNC Bank, National Association, as administrative agent | | |
| (A) | | | 10.8 | | | | | | Amendment No. 1 to Credit Agreement and Consent, dated as of October 24, 2024, among FET, as borrower, the banks and other financial institutions party thereto, as lenders, and JPMorgan Chase Bank, N.A., as administrative agent | | |
| (A) | | | 10.9 | | | | | | Amendment No. 1 to Credit Agreement, dated as of October 24, 2024, among KATCo, as borrower, the banks and other financial institutions party thereto, as lenders, and PNC Bank, National Association, as administrative agent | | |
| (A) | | | 31.1 | | | | | | Certification of chief executive officer, as adopted pursuant to Rule 13a-14(a) | | |
| (A) | | | 31.2 | | | | | | Certification of chief financial officer, as adopted pursuant to Rule 13a-14(a) | | |
| (A) | | | 32 | | | | | | Certification of chief executive officer and chief financial officer, pursuant to 18 U.S.C. Section 1350 | | |
| | | 101 | | | | | | The following materials from the Quarterly Report on Form 10-Q of FirstEnergy Corp. for the period ended September 30, 2024, formatted in iXBRL (Inline Extensible Business Reporting Language): (i) Consolidated Statements of Income, (ii) Consolidated Statements of Comprehensive Income, (iii) Consolidated Balance Sheets, (iv) Consolidated Statements of Equity, (v) Consolidated Statements of Cash Flows, (vi) related notes to these financial statements and (vii) document and entity information. | | |
| | | 104 | | | | | | Cover Page Interactive Data File (the cover page XBRL tags are embedded within the Inline XBRL document contained in Exhibit 101) | | |
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