X0202 4 2005-11-22 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 2005-11-22 4 M 0 12000 29.75 A 34797 D Common Stock 2005-11-22 4 S 0 200 51.18 D 34597 D Common Stock 2005-11-22 4 S 0 100 51.22 D 34497 D Common Stock 2005-11-22 4 S 0 100 51.23 D 34397 D Common Stock 2005-11-22 4 S 0 100 51.25 D 34297 D Common Stock 2005-11-22 4 S 0 200 51.26 D 34097 D Common Stock 2005-11-22 4 S 0 200 51.28 D 33897 D Common Stock 2005-11-22 4 S 0 100 51.30 D 33797 D Common Stock 2005-11-22 4 S 0 100 51.33 D 33697 D Common Stock 2005-11-22 4 S 0 100 51.34 D 33597 D Common Stock 2005-11-22 4 S 0 200 51.35 D 33397 D Common Stock 2005-11-22 4 S 0 300 51.36 D 33097 D Common Stock 2005-11-22 4 S 0 100 51.37 D 32997 D Common Stock 2005-11-22 4 S 0 200 51.39 D 32797 D Common Stock 2005-11-22 4 S 0 800 51.40 D 31997 D Common Stock 2005-11-22 4 S 0 300 51.41 D 31697 D Common Stock 2005-11-22 4 S 0 200 51.42 D 31497 D Common Stock 2005-11-22 4 S 0 100 51.43 D 31397 D Common Stock 2005-11-22 4 S 0 600 51.44 D 30797 D Common Stock 2005-11-22 4 S 0 700 51.45 D 30097 D Common Stock 2005-11-22 4 S 0 300 51.46 D 29797 D Common Stock 2005-11-22 4 S 0 600 51.47 D 29197 D Common Stock 2005-11-22 4 S 0 800 51.48 D 28397 D Common Stock 2005-11-22 4 S 0 500 51.49 D 27897 D Common Stock 2005-11-22 4 S 0 1000 51.50 D 26897 D Common Stock 2005-11-22 4 S 0 1200 51.51 D 25697 D Common Stock 2005-11-22 4 S 0 600 51.52 D 25097 D Common Stock 2005-11-22 4 S 0 600 51.53 D 24497 D Common Stock 2005-11-22 4 S 0 500 51.54 D 23997 D Common Stock 2005-11-22 4 S 0 300 51.55 D 23697 D NQ Stock Options 10-20-2000 29.75 2005-11-22 4 M 0 12000 D Common Stock 12000 0 D Exercise and sale made pursuant to a rule 10b5-1 trading plan entered into on March 4, 2005. Shares were sold through small lots which are reported as individual sales on this form and on a second Form 4 being filed simultaneously because the EDGAR system will only accept 30 transactions on a single form. 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 2005-11-23