| Exhibit Number | | | | | | | | | Description | | |
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| (A) | | | 3.1 | | | | | | Amendment to the Third Amended and Restated Code of Regulations | | |
| | | 4.1 | | | | | | Indenture, dated as of May 4, 2023, between FirstEnergy Corp. and The Bank of New York Mellon Trust Company, N.A., as trustee (incorporated by reference to FirstEnergy’s Form 8-K filed May 4, 2023, Exhibit 4.1, File No. 333-21011) | | |
| | | 4.2 | | | | | | Form of 4.00% Convertible Senior Notes due 2026 (incorporated by reference to FirstEnergy’s Form 8-K filed May 4, 2023, Exhibit 4.1, File No. 333-21011) | | |
| | | 10.1 | | | | | | Amendment No. 1 and Consent and Limited Waiver to Credit Agreement, dated as of April 27, 2023, by and among FirstEnergy Corp., FirstEnergy Transmission, LLC, the banks and other financial institutions party thereto, as lenders, and JPMorgan Chase Bank, N.A., as administrative agent (incorporated by reference to FirstEnergy’s Form 8-K filed May 1, 2023, Exhibit 10.1, File No. 333-21011) | | |
| | | 10.2 | | | | | | Amendment No. 1 and Consent and Limited Waiver to Credit Agreement, dated as of April 27, 2023, by and among The Cleveland Electric Illuminating Company, Ohio Edison Company, The Toledo Edison Company, the banks and other financial institutions party thereto, as lenders, and JPMorgan Chase Bank, N.A., as administrative agent (incorporated by reference to FirstEnergy’s Form 8-K filed May 1, 2023, Exhibit 10.2, File No. 333-21011) | | |
| | | 10.3 | | | | | | Amendment No. 1 and Consent and Limited Waiver to Credit Agreement, dated as of April 27, 2023, by and among Metropolitan Edison Company, Pennsylvania Power Company, Pennsylvania Electric Company, West Penn Power Company, the banks and other financial institutions party thereto on the date hereof, as lenders, and Mizuho Bank, Ltd., as administrative agent (incorporated by reference to FirstEnergy’s Form 8-K filed May 1, 2023, Exhibit 10.3, File No. 333-21011) | | |
| | | 10.4 | | | | | | Amendment No. 1 and Consent and Limited Waiver to Credit Agreement, dated as of April 27, 2023, by and among American Transmission Systems, Incorporated, Mid-Atlantic Interstate Transmission, LLC, Trans-Allegheny Interstate Line Company, the banks and other financial institutions party thereto on the date hereof, as lenders, and PNC Bank, National Association, as administrative agent (incorporated by reference to FirstEnergy’s Form 8-K filed May 1, 2023, Exhibit 10.4, File No. 333-21011) | | |
| | | 10.5 | | | | | | Amendment No. 1 to Credit Agreement, dated as of April 27, 2023, by and among Jersey Central Power & Light Company, the banks and other financial institutions party thereto on the date hereof, as lenders, and Mizuho Bank, Ltd., as administrative agent (incorporated by reference to FirstEnergy’s Form 8-K filed May 1, 2023, Exhibit 10.5, File No. 333-21011) | | |
| | | 10.6 | | | | | | Amendment No. 1 to Credit Agreement, dated as of April 27, 2023, by and among Monongahela Power Company, The Potomac Edison Company, the banks and other financial institutions party thereto on the date hereof, as lenders, and Mizuho Bank, Ltd, as administrative agent (incorporated by reference to FirstEnergy’s Form 8-K filed May 1, 2023, Exhibit 10.6, File No. 333-21011) | | |
| (A) (B) | | | 10.7 | | | | | | Form of 2023-2025 Cash-Based Performance-Adjusted Restricted Stock Unit Award Agreement | | |
| (A) (B) | | | 10.8 | | | | | | Form of 2023-2025 Stock-Based Performance-Adjusted Restricted Stock Unit Award Agreement | | |
| (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 June 30, 2023, 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 Cash Flows, (v) related notes to these financial statements and (vi) 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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