| Exhibit Number | | | | | | | | | Description | | |
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| (A) | | | 10.1 | | | | | | Amendment No. 2 and Consent and Limited Waiver to Credit Agreement, dated as of October 20, 2023, by and among FirstEnergy Corp., , the banks and other financial institutions party thereto, as lenders, and JPMorgan Chase Bank, N.A., as administrative agent | | |
| (A) | | | 10.2 | | | | | | Amendment No. 2 and Consent and Limited Waiver to Credit Agreement, dated as of October 20, 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 | | |
| (A) | | | 10.3 | | | | | | Amendment No. 2 and Consent and Limited Waiver to Credit Agreement, dated as of October 20, 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 | | |
| (A) | | | 10.4 | | | | | | Amendment No. 2 and Consent and Limited Waiver to Credit Agreement, dated as of October 20, 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 | | |
| (A) | | | 10.5 | | | | | | Amendment No. 2 to Credit Agreement, dated as of October 20, 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 | | |
| (A) | | | 10.6 | | | | | | Amendment No. 2 to Credit Agreement, dated as of October 20, 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 | | |
| (A) | | | 10.7 | | | | | | Credit Agreement, dated as of October 20, 2023, by and among Keystone Appalachian Transmission Company, the banks and other financial institutions party thereto on the date hereof, as lenders, and PNC Bank, National Association, as administrative agent | | |
| (A) | | | 10.8 | | | | | | Credit Agreement, dated as of October 20, 2023, by and among FirstEnergy Transmission, LLC, the banks and other financial institutions party thereto on the date hereof, as lenders, and JPMorgan Chase Bank, N.A., 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, 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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