X0202 4 2005-05-13 0001109357 EXELON CORP EXC 0001067838 ROWE JOHN W 10 SOUTH DEARBORN STREET 37TH FLOOR CHICAGO IL 60603 0 1 0 0 Chairman, President and CEO Common Stock 2005-05-16 4 M 0 41252 18.82 A 85991 D Common Stock 2005-05-16 4 S 0 1100 44.94 D 84891 D Common Stock 2005-05-16 4 S 0 5300 44.99 D 79591 D Common Stock 2005-05-16 4 S 0 7400 45.00 D 72191 D Common Stock 2005-05-16 4 S 0 3100 45.01 D 69091 D Common Stock 2005-05-16 4 S 0 1500 45.02 D 67591 D Common Stock 2005-05-16 4 S 0 900 45.03 D 66691 D Common Stock 2005-05-16 4 S 0 2200 45.04 D 64491 D Common Stock 2005-05-16 4 S 0 5400 45.05 D 59091 D Common Stock 2005-05-16 4 S 0 300 45.07 D 58791 D Common Stock 2005-05-16 4 S 0 1900 45.08 D 56891 D Common Stock 2005-05-16 4 S 0 3800 45.10 D 53091 D Common Stock 2005-05-16 4 S 0 900 45.20 D 52191 D Common Stock 2005-05-16 4 S 0 152 45.21 D 52039 D Common Stock (Deferred Shares) 266903 I By Stock Deferral Plan Common Stock (401k Shares) 5570 D Common Stock 3500 I Held By Spouse Performance Shares - Stock Units Common Stock 107663 D NQ Stock Options (01-25-1999) 18.82 2005-05-16 4 M 0 41252 D Common Stock 41252 126496 D Deferred Comp. - Phantom Shares 2005-05-13 4 A 0 106 45.25 A Common Stock 106 30065 D Exercise and sale made pursuant to a rule 10b5-1 trading plan entered into on February 25, 2005. Balance includes 3,248 shares held in the Employee Stock Purchase Plan. Shares held as of 04/30/2005 in a multi-fund 401(k) Plan to be settled in cash upon the reporting person's termination of employment for any reason on a 1:1 basis. Shares are acquired through regular periodic contributions, company matching contributions, and the automatic reinvestment of dividends. Non-qualified employee stock options, awarded pursuant to the Issuer's Long Term Incentive Plan, vest in 1/3 increments beginning on the first anniversary of the grant date (referenced in column 1) and expire on the tenth anniversary of the grant date. Phantom shares held in a multi-fund deferred compensation plan to be settled for cash upon the reporting person's termination of employment for any reason on a 1:1 basis. Shares are acquired through regular periodic contributions, company matching contributions, and the automatic reinvestment of dividends. 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 in 1/3 increments on each of the second and third anniversaries of the award date. 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. Scott N. Peters, Attorney in Fact for John W. Rowe 2005-05-17