| Exhibit Number | | | | | | | | | Description | | |
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| FirstEnergy | | | | | | | | | | | |
| | | 4.1 | | | | | | Indenture Relating to 3.625% Convertible Senior Notes due 2029, dated as of June 12, 2025, 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 June 12, 2025, Exhibit 4.1, File No. 333-21011). | | |
| | | 4.2 | | | | | | Indenture Relating to 3.875% Convertible Senior Notes due 2031, dated as of June 12, 2025, 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 June 12, 2025, Exhibit 4.2, File No. 333-21011). | | |
| | | 4.3 | | | | | | Form of 3.625% Convertible Senior Notes due 2029 (included in Exhibit 4.1) (incorporated by reference to FirstEnergy’s Form 8-K filed June 12, 2025, Exhibit 4.1, File No. 333-2101). | | |
| | | 4.4 | | | | | | Form of 3.875% Convertible Senior Notes due 2031 (included in Exhibit 4.2) (incorporated by reference to FirstEnergy’s Form 8-K filed June 12, 2025, Exhibit 4.2, File No. 333-21011). | | |
| (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, 2025, 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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| JCP&L | | | | | | | | | | | |
| (A) | | | 31.1 | | | | | | Certification of principal executive officer, as adopted pursuant to Rule 13a-14(a) | | |
| (A) | | | 31.2 | | | | | | Certification of principal financial officer, as adopted pursuant to Rule 13a-14(a) | | |
| (A) | | | 32 | | | | | | Certification of principal executive officer and principal financial officer, pursuant to 18 U.S.C. Section 1350 | | |
| | | 101 | | | | | | The following materials from the Quarterly Report on Form 10-Q of Jersey Central Power & Light Company for the period ended June 30, 2025, formatted in iXBRL (Inline Extensible Business Reporting Language): (i) Statements of Income and Comprehensive Income, (ii) Balance Sheets, (iii) Statements of Common Stockholder's Equity, (iv) 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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