X0202 4 2004-11-05 1 0001109357 EXELON CORP EXC 0001184019 KINGSLEY OLIVER D JR 10 SOUTH DEARBORN STREET 37TH FLOOR CHICAGO IL 60603 0 0 0 1 President through Nov. 1, 2004 Common Stock 2004-11-05 4 M 0 34339 39.62 A 133300 D Common Stock 2004-11-05 4 D 0 17170 39.62 D 116130 D Common Stock 2004-11-05 4 F 0 17425 39.62 D 172765 D Common Stock (Deferred Shares) 2004-11-05 4 F 0 28801 39.62 D 0 I By Stock Deferral Plan Performance Shares - Stock Units 2004-11-05 4 M 0 34339 39.62 D Common Stock 34339 0 D Balance includes 49,017 shares acquired as a result of a 2 for 1 stock split in the form of a dividend that was distributed as of 05/05/04 and 469 and 457 shares acquired on 6/10/2004 and 9/10/2004 respectively through the automatic dividend reinvestment feature of Exelon Plans. Pursuant to an election made by the reporting person, 1/2 of the 34,339 vested Performance Shares - Stock Units were settled in cash on a 1 for 1 basis. Amount includes 12,369 shares withheld for taxes related to the acclerated vesting of restricted shares, and 5,056 shares withheld for taxes related to the vesting and distribution of 17,170 Performance Share-Stock Units. Balance includes the conversion to direct ownership upon the reporting person's retirement of 74,060 shares, after-tax, previously held in the Stock Deferral Plan. Original balance of 102,862 shares was distributed upon the reporting person's retirement net of shares withheld for taxes. Balance included 50,594 shares acquired as the result of a 2 for 1 stock split in the form of a dividend that was distributed as of 05/05/04 and 848 and 826 shares acquired on 6/10/2004 and 9/10/2004 respectively through the automatic dividend reinvestment feature of Exelon Plans. Performance Shares awarded pursuant to the Exelon Long Term Incentive Plan. 1/3 of the shares awarded vest immediately upon receipt. The remaining shares vest 1/3 on each of the second and third anniversaries of the award date. At the election of the reporting person, under certain circumstances up to one half of the second and third vestings may either be settled in common stock on a 1 for 1 basis, or be settled in cash based on the cash value of the underlying stock on the date of vesting. All Performance Shares vested upon the reporting person's retirement. Balance includes 16,890 shares acquired as a result of a 2 for 1 stock split in the form of a dividend that was distributed as of 05/05/04. Balance also includes 135, 283 and 276 shares acquired on 3/10/2004, 6/10/2004 and 9/10/2004 respectively through the automatic dividend reinvestment feature of Exelon Plans. Scott N. Peters, Esq. Attorney in Fact for Oliver D. Kingsley, Jr. 2004-11-05