X0202 4 2005-11-21 0001109357 EXELON CORP EXC 0001184021 MOLER ELIZABETH A 10 SOUTH DEARBORN STREET 37TH FLOOR CHICAGO IL 60603 0 1 0 0 Executive Vice President Common Stock 2005-11-21 4 S 0 500 51.55 D 28087 D Common Stock 2005-11-21 4 S 0 100 51.56 D 27987 D Common Stock 2005-11-21 4 S 0 200 51.58 D 27787 D Common Stock 2005-11-21 4 S 0 100 51.61 D 27687 D Common Stock 2005-11-21 4 S 0 100 51.62 D 27587 D Common Stock 2005-11-21 4 S 0 100 51.67 D 27487 D Common Stock 2005-11-21 4 S 0 100 51.70 D 27387 D Common Stock 2005-11-21 4 S 0 100 51.79 D 27287 D Common Stock 2005-11-21 4 S 0 100 51.81 D 27187 D Common Stock 2005-11-21 4 S 0 200 51.82 D 26987 D Common Stock 2005-11-21 4 S 0 100 51.84 D 26887 D Common Stock 2005-11-21 4 S 0 200 51.90 D 26687 D Common Stock (Deferred Shares) 64762 I By Stock Deferral Plan 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. Scott N. Peters, Esq. Attorney in Fact for Elizabeth A. Moler 2005-11-22