X0202 4 2007-04-02 0001031296 FIRSTENERGY CORP FE 0001127142 MARSH RICHARD H 76 SOUTH MAIN STREET AKRON OH 44308 0 1 0 0 Sr. Vice Pres. & Chief Fin. Of Common Stock 2007-04-02 4 M 0 11875 29.71 A 12533.89 D Common Stock 2007-04-02 4 D 0 11875 66.988 D 658.89 D Phantom / Retirement 1 Common Stock 13035.1154 13035.1154 D Phantom 3/05D 1 2005-02-25 2008-03-01 Common Stock 4337.909 4337.909 D Phantom 3/06D 1 2006-03-02 2009-03-02 Common Stock 3632.645 3632.645 D Phantom 3/07D 1 2007-03-01 2010-03-01 Common Stock 10683.52 10683.52 D RSUD5 1 2011-03-01 2011-03-01 Common Stock 3771.45 3771.45 D RSUP1 1 2008-03-01 2008-03-01 Common Stock 4078.7181 4078.7181 D RSUP4 1 2009-03-01 2009-03-01 Common Stock 4608.706 4608.706 D RSUP6 1 2010-03-01 2010-03-01 Common Stock 5586 5586 D Stock Options (Right to buy) 38.76 2005-03-01 2014-03-01 Common Stock 12825 12825 D Stock Options (Right to buy) 29.71 2007-04-02 4 M 0 11875 66.998 D 2004-03-01 2013-03-01 Common Stock 11875 0 D This stock option was exercised in accordance with a 10b5-1 Plan signed by Richard H. Marsh on 8/7/06. This transaction reflects the extension and vesting of phantom stock to retirement or other termination of employment under arrangements approved by the Compensation Committee. David W. Whitehead, POA 2007-04-03