X0202 4 2005-11-09 0001109357 EXELON CORP EXC 0001185162 MITCHELL J BARRY 10 SOUTH DEARBORN STREET 37TH FLOOR CHICAGO IL 60603 0 1 0 0 Senior Vice President and CFO Common Stock 2005-11-09 4 M 0 12000 29.75 A 34797 D Common Stock 2005-11-09 4 S 0 100 51.31 D 34697 D Common Stock 2005-11-09 4 S 0 300 51.33 D 34397 D Common Stock 2005-11-09 4 S 0 200 51.38 D 34197 D Common Stock 2005-11-09 4 S 0 300 51.40 D 33897 D Common Stock 2005-11-09 4 S 0 100 51.41 D 33797 D Common Stock 2005-11-09 4 S 0 100 51.43 D 33697 D Common Stock 2005-11-09 4 S 0 200 51.44 D 33497 D Common Stock 2005-11-09 4 S 0 700 51.45 D 32797 D Common Stock 2005-11-09 4 S 0 700 51.46 D 32097 D Common Stock 2005-11-09 4 S 0 1200 51.47 D 30897 D Common Stock 2005-11-09 4 S 0 300 51.48 D 30597 D Common Stock 2005-11-09 4 S 0 700 51.49 D 29897 D Common Stock 2005-11-09 4 S 0 1200 51.50 D 28697 D Common Stock 2005-11-09 4 S 0 1800 51.51 D 26897 D Common Stock 2005-11-09 4 S 0 1100 51.52 D 25797 D Common Stock 2005-11-09 4 S 0 500 51.53 D 25297 D Common Stock 2005-11-09 4 S 0 600 51.54 D 24697 D Common Stock 2005-11-09 4 S 0 500 51.55 D 24197 D Common Stock 2005-11-09 4 S 0 700 51.56 D 23497 D Common Stock 2005-11-09 4 S 0 200 51.57 D 23297 D Common Stock 2005-11-09 4 S 0 200 51.58 D 23097 D Common Stock 2005-11-09 4 S 0 200 51.59 D 22897 D Common Stock 2005-11-09 4 S 0 100 51.61 D 22797 D Common Stock (Deferred Shares) 19692 I By Stock Deferral Plan Common Stock (401k Shares) 5562 D NQ Stock Options 10-20-2000 29.75 2005-11-09 4 M 0 12000 D Common Stock 12000 12000 D Exercise and sale made pursuant to a rule 10b5-1 trading plan entered into on March 4, 2005. Shares held as of 10/31/2005 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 Exelon Long Term Incentive Plan. Options vest in 1/3 increments on each of the first three anniversaries of the grant date, referenced in column one, and expire on the tenth anniversay of the grant date. Scott N. Peters, Esq. Attorney in Fact for J. Barry Mitchell 2005-11-14