X0201 4/A 2004-02-18 2004-02-20 0 0000003673 ALLEGHENY ENERGY INC AYE 0001256872 HERTZOG DAVID B C/O ALLEGHENY ENERGY, INC. 800 CABIN HILL DRIVE GREENSBURG PA 15601 0 1 0 0 VP and General Counsel Stock Units 2004-02-18 4 A 0 389888 A Common Stock 389888 389888 D Stock Options (right to buy) 2004-02-18 4 A 0 300000 13.35 A 2014-02-18 Common Stock 300000 300000 D One-fifth of the Stock Units will vest on each July 18 from 2004 through 2008, provided that the reporting person is an employee of the issuer on the applicable vesting date. The issuer will pay the reporting person the full value of each vested Stock Unit on each applicable vesting date, in cash or stock, at the issuer's option, subject to the reporting person's election to defer the payments. One-fifth of the Stock Options will vest on each July 18 from 2004 through 2008, provided that the reporting person is an employee of the issuer on the applicble vesting date. Upon the occurrence of a change in control of the issuer (as defined in the reporting person's employment agreement), all Stock Options will immediately vest. 1-for-1 This amendment is being filed to correct the reported expiration date of the Stock Options. /S/ DAVID B. HERTZOG 2004-02-20