1. Name and Address of Reporting Person
Heisler, Jr., Robert B.
76 South Main Street
Akron, OH 44308
USA
2. Issuer Name and Ticker or Trading Symbol
FirstEnergy Corp. (FE)
3. IRS or Social Security Number of Reporting Person (Voluntary)
4. Statement for Month/Day/Year
03/03/2003
5. If Amendment, Date of Original (Month/Day/Year)
6. Relationship of Reporting Person(s) to Issuer (Check all applicable)
(X) Director ( ) 10% Owner
( ) Officer (give title below) ( ) Other (specify below)
7. Individual or Joint/Group Filing (Check Applicable Line)
(X) Form filed by One Reporting Person
( ) Form filed by More than One Reporting Person
TABLE I -- Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
+------------------------------+----------+----------+---------+--------------------------+--------------+-----------+------------+
|1. Title of Security |2. Trans- |2A.Execu- |3. Trans-|4. Securities Acquired (A)|5. Amount of |6. Owner- |7. Nature |
| | action | action | action| or Disposed of (D) |Securities | ship | of In- |
| | Date | Date | Code | |Beneficially | Form: | direct |
| | | | | |Owned | Direct | Bene- |
| | (Month/ | (Month/ | | |Following | (D) or | ficial |
| | Day/ | Day/ +-----+---+-----------+---+----------+Reported | Indirect| Owner- |
| | Year) | Year) |Code |V |Amount |A/D|Price |Transaction(s)| (I) | ship |
+------------------------------+----------+----------+-----+---+-----------+---+----------+--------------+-----------+------------+
TABLE II -- Derivative Securities Acquired, Disposed of, or Beneficially Owned
+----------+--------+-------+-------+---------+-----------+---------------------+----------------+----------+-------+-------+------+
|1. |2. |3. |3A. |4. |5. |6. |7. |8. |9. |10. |11. |
| | | | | | | | | |Number |Owner- | |
| | | | | | | | | |of |ship | |
| | | | | | | | | |Deriv- |Form of| |
| | | | | | | |Title and Amount| |ative |Deriv- | |
| | | | | | | |of Underlying | |Secur- |ative |Nature|
| |Conver- |Trans- |Execu- | |Number of | |Securities | |ities |Secur- |of |
| |sion or |action |tion | |Derivative |Date Exercisable +-------+--------+ |Benefi-|ity: |In- |
| |Exercise|Date |Date | |Securities |and Expiration Date | |Amount | |cially |Direct |direct|
| |Price of| | |Transac- |Acquired(A)|(Month/Day/Year) | |or | |Owned |(D) or |Bene- |
|Title of |Deriv- |(Month/|(Month/|tion Code|Disposed(D)+----------+----------+ |Number |Price of | |In- |ficial|
|Derivative|ative | Day/ | Day/ +------+--+-----+-----+Date Exer-|Expira- | |of |Derivative| |direct |Owner-|
|Security |Security|Year) |Year) |Code |V |(A) |(D) |cisable |tion Date |Title |Shares |Security | |(I) |ship |
+----------+--------+-------+-------+------+--+-----+-----+----------+----------+-------+--------+----------+-------+-------+------+
Stock $31.69 01/01/2011 Common 5096 D
Options Stock
(Right to
buy)
Stock $31.7438 01/01/2009 Common 5110 D
Options Stock
(Right to
buy)
Phantom 1 03/03/2 J V 10431 Common 10431.69 $0.0000 0 I By Key
Stock Units 003 .6999 Stock 99 Trust
Phantom 1 03/03/2 J V 10431 Common 10431.69 $0.0000 I By
Stock Units 003 .6999 Stock 99 State
Street
Phantom 1 03/03/2 03/03/2 A 178 Common 178 $29.6900 10735.9 I By
Stock Units 003 003 Stock 51 State
Street
Explanation of Responses:
Represents number of shares beneficially owned as of March 3, 2003.
The Rabbi Trust was transferred from Key to State Street on February 3, 2003 and
was not a reportable event. The transaction shown on this form merely reflects
the change in Trustees - it is not a sale or acquisition.
1 for 1
In accordance with the terms and conditions of the Amended FirstEnergy Corp.
Deferred Compensation Plan for Directors.
SIGNATURE OF REPORTING PERSON
/s/ Robert B. Heisler, Jr.
DATE
03/04/2003