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 ...

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, 2021 Common Stock, $0.10 par value 544,193,637 FORM 10-Q (Mark One) ☑ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterl ...

FirstEnergy Corp. (NYSE:FE) Q1 2021 Earnings Conference Call April 23, 2021 10:00 AM ET Company Participants Irene Prezelj - Vice President, Investor Relations Steve Strah - President and Chief Executive Officer John Somerhalder - Vice Chairperson and Executive Director Jon Taylor - Senior Vice President and Chief Financial Officer Eileen Mikkelsen - Vice President, Rates and Regulatory Affairs Conference Call Participants Michael Lapides - Goldman Sachs Steve Fleishman - Wolfe Research Julien Dumolin-Smith ...

FirstEnergy。 Focused on Our Future Fact Published April 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 | | | | | | 5 | Quarterly Updates | 64-71 | | | | | | 6 | Guidance and Financials | 72-91 | | | | | | 7 | Other Materials | ...

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, 2021 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 Title of Each Class Trading Symbol Name of Each Exchange on Which Registered Common Stock, $0.10 par value per share FE New York Stock Exchange FORM 10-K (Mark One) ☑ ANNUAL REPORT PURSUANT TO SE ...