X0202 4 2007-11-27 0001109357 EXELON CORP EXC 0001184021 MOLER ELIZABETH A 10 SOUTH DEARBORN STREET 54TH FLOOR CHICAGO IL 60603 0 1 0 0 Executive Vice President Common Stock 2007-11-27 4 S 0 200 80.89 D 29119 D Common Stock 2007-11-27 4 S 0 200 80.90 D 28919 D Common Stock 2007-11-27 4 S 0 500 80.91 D 28419 D Common Stock 2007-11-27 4 S 0 400 80.92 D 28019 D Common Stock 2007-11-27 4 S 0 300 80.93 D 27719 D Common Stock 2007-11-27 4 S 0 100 80.94 D 27619 D Common Stock 2007-11-27 4 S 0 400 80.95 D 27219 D Common Stock 2007-11-27 4 S 0 200 80.96 D 27019 D Common Stock 2007-11-27 4 S 0 900 80.97 D 26119 D Common Stock 2007-11-27 4 S 0 100 80.98 D 26019 D Common Stock 2007-11-27 4 S 0 300 80.99 D 25719 D Common Stock 2007-11-27 4 S 0 900 81.00 D 24819 D Common Stock 2007-11-27 4 S 0 200 81.01 D 24619 D Common Stock 2007-11-27 4 S 0 300 81.02 D 24319 D Common Stock 2007-11-27 4 S 0 300 81.03 D 24019 D Common Stock 2007-11-27 4 S 0 700 81.04 D 23319 D Common Stock 2007-11-27 4 S 0 200 81.05 D 23119 D Common Stock 2007-11-27 4 S 0 300 81.06 D 22819 D Common Stock 2007-11-27 4 S 0 300 81.07 D 22519 D Common Stock 2007-11-27 4 S 0 200 81.09 D 22319 D Common Stock 2007-11-27 4 S 0 200 81.10 D 22119 D Common Stock 2007-11-27 4 S 0 300 81.11 D 21819 D Common Stock 2007-11-27 4 S 0 200 81.12 D 21619 D Common Stock 2007-11-27 4 S 0 300 81.13 D 21319 D Common Stock 2007-11-27 4 S 0 100 81.14 D 21219 D Common Stock 2007-11-27 4 S 0 200 81.15 D 21019 D Common Stock 2007-11-27 4 S 0 100 81.16 D 20919 D Exercise and all reported sales were made pursuant to a rule 10b5-1 trading plan entered into on September 13, 2007. Shares were sold through small lots which are reported as individual sales on this form and on other Form 4s 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 2007-11-28