UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K (Mark One) ☑ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the FISCAL YEAR ended December 31, 2022 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from ___________________ to ___________________ Commission Registrant; State of Incorporation; I.R.S. Employer File Number Address; and Telephone Number Identification ...

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Commission Registrant; State of Incorporation; I.R.S. Employer File Number Address; and Telephone Number Identification No. 333-21011 FIRSTENERGY CORP. 34-1843785 (An Ohio Corporation) 76 South Main Street Akron OH 44308 Telephone (800) 736-3402 CLASS AS OF SEPTEMBER 30, 2022 Common Stock, $0.10 par value 571,753,195 FORM 10-Q (Mark One) ☑ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the qu ...

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Commission Registrant; State of Incorporation; I.R.S. Employer File Number Address; and Telephone Number Identification No. 333-21011 FIRSTENERGY CORP. 34-1843785 (An Ohio Corporation) 76 South Main Street Akron OH 44308 Telephone (800) 736-3402 CLASS AS OF JUNE 30, 2022 Common Stock, $0.10 par value 571,395,285 FORM 10-Q (Mark One) ☑ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarter ...

FirstEnergy Focused on Our Future 1Q 2022 Strategic & Financial Highlights Steven E. Strah, President and CEO K. Jon Taylor, SVP, CFO & Strategy Forward-Looking Statements Forward-Looking Statements: This presentation includes forward-looking statements within the meaning of the Private Securities Litigation Reform Act of 1995 based on information currently available to management. Such statements are subject to certain risks and uncertainties and readers are cautioned not to place undue reliance on these f ...

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) ☑ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2022 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 | --- | --- | --- | |----------------------------|----------------------------------------------------------------------------------------------------------------------------|-------------- ...

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Commission Registrant; State of Incorporation; I.R.S. Employer File Number Address; and Telephone Number Identification No. 333-21011 FIRSTENERGY CORP 34-1843785 (An Ohio Corporation) 76 South Main Street Akron OH 44308 Telephone (800) 736-3402 FORM 10-K (Mark One) ☑ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the FISCAL YEAR ended December 31, 2021 OR ☐ TRANSITION REPORT PURSUANT TO SECTION ...

FirstEnergy, Focused on Our Future 4Q 2021 Strategic & Financial Highlights Steven E. Strah, President and CEO K. Jon Taylor, SVP, CFO & Strategy Forward-Looking Statements Forward-Looking Statements: This presentation includes forward-looking statements within the meaning of the Private Securities Litigation Reform Act of 1995 based on information currently available to management. Such statements are subject to certain risks and uncertainties and readers are cautioned not to place undue reliance on these ...

FirstEnergy, Focused on Our Future 3Q 2021 Strategic & Financial Highlights Steven E. Strah, President and CEO K. Jon Taylor, SVP and CFO Forward-Looking Statements Forward-Looking Statements: This presentation includes forward-looking statements within the meaning of the Private Securities Litigation Reform Act of 1995 based on information currently available to management. Such statements are subject to certain risks and uncertainties and readers are cautioned not to place undue reliance on these forward- ...

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) ☑ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 30, 2021 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 | --- | --- | --- | |----------------------------|---------------------------------------------------------------------------------------------------------------------------|----------- ...

FirstEnergy。 Focused on Our Future Fact Published July 22, 2021 Table of Contents | --- | --- | --- | --- | --- | --- | --- | |-------|------------------------------|-------|-------|-------|-------|-------| | | | | | | | | | 1 | FirstEnergy Overview | 3-17 | | | | | | 2 | Regulated Transmission | 18-26 | | | | | | 3 | Regulated Distribution | 27-51 | | | | | | 4 | Corporate Responsibility/ESG | 52-63 | | | | | | 6 | Guidance and Financials | 64-83 | | | | | | 7 | Other Materials | | 84-91 | | | | Unless oth ...