Sec Form 4 Filing - JOHNSON JULIA L @ FIRSTENERGY CORP - 2018-02-26

FORM 4 Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940

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1. Name and Address of Reporting Person JOHNSON JULIA L 2. Issuer Name and Ticker or Trading Symbol FIRSTENERGY CORP [ FE] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) X __ Director _____ 10% Owner _____ Officer (give title below) _____ Other (specify below) (Last) (First) (Middle) 76 SOUTH MAIN ST 3. Date of Earliest Transaction (MM/DD/YY) 02/26/2018 (Street) AKRON, OH44308 4. If Amendment, Date Original Filed (MM/DD/YY) 6. Individual or Joint/Group Filing (Check Applicable Line) __ X __ Form filed by One Reporting Person _____ Form filed by More than One Reporting Person (City) (State) (Zip)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned 1.Title of Security (Instr. 3) 2. Transaction Date (MM/DD/YY) 2A. Deemed Execution Date, if any (MM/DD/YY) 3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4) Code V Amount (A) or (D) Price Common Stock 5,211.919 ( 1 ) D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned ( e.g. , puts, calls, warrants, options, convertible securities) 1. Title of Derivative Security (Instr. 3) 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (MM/DD/YY) 3A. Deemed Execution Date, if any (MM/DD/YY) 4. Transaction Code (Instr. 8) 5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4, and 5) 6. Date Exercisable and Expiration Date (MM/DD/YY) 7. Title and Amount of Underlying Securities (Instr. 3 and 4) 8. Price of Derivative Security (Instr. 5) 9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4) 10. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 4) 11. Nature of Indirect Beneficial Ownership (Instr. 4) Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares Phantom Stock Units ( 2 ) ( 3 ) 02/26/2018 A 998 ( 4 ) ( 4 ) Common Stock 998 $ 33.81 37,130.75 ( 5 ) D Phantom Stock Units ( 3 ) ( 6 ) ( 6 ) Common Stock 19,740.093 19,740.093 ( 6 ) D Phantom Stock ( 3 ) ( 7 ) ( 8 ) ( 8 ) Common Stock 9,730.811 9,730.811 ( 8 ) D

Reporting Owners Reporting Owner Name / Address Relationships Director 10% Owner Officer Other JOHNSON JULIA L 76 SOUTH MAIN ST AKRON, OH44308 X Signatures Jennifer L. Geyer, attorney-in-fact 02/28/2018 Signature of Reporting Person Date

Explanation of Responses:

( 1 )Includes shares acquired through dividend reinvestments. ( 2 )Represents shares paid quarterly for director compensation under the FirstEnergy Corp. 2015 Incentive Compensation Plan and deferred pursuant to the FirstEnergy Corp. Deferred Compensation Plan for Outside Directors. ( 3 )1 for 1 ( 4 )This holding reflects phantom stock payable in cash or shares of FirstEnergy Corp. common stock following conclusion of service as a director, other than a portion of which that will pay on January 1, 2023 and a portion that will pay on January 1, 2024 unless the director concludes service prior, in accordance with the terms and conditions of the FirstEnergy Corp. Deferred Compensation Plan for Outside Directors. Each share of phantom stock is the economic equivalent of one share of common stock. ( 5 )Includes phantom stock units acquired through dividend reinvestments. ( 6 )Phantom stock units are paid in shares of FirstEnergy Corp. common stock following conclusion of service as a director in accordance with Allegheny Energy, Inc. Amended and Restated Revised Plan for Deferral of Compensation of Directors. Includes phantom stock units acquired through dividend reinvestments. ( 7 )Each share of phantom stock is the economic equivalent of one share of FirstEnergy Corp. common stock. ( 8 )Phantom stock is paid in cash following conclusion of service as a director in accordance with Allegheny Energy, Inc. Amended and Restated Revised Plan for Deferral of Compensation of Directors. Includes phantom stock acquired through dividend reinvestments.

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.

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