Company:  EXELON CORP (EXC)
Form Type:  5
Filing Date:  2/9/2012 
CIK:  0001109357 
Address:  PO BOX 805398 
City, State, Zip:  CHICAGO, Illinois 60680-5398 
Telephone:  (312) 394-7399 
Fiscal Year:  12/31 
Last Trade
Last Trade: 
$34.65  
Change: 
-0.07 (-0.20%)  
Trade Time: 
May 24  
Market Cap: 
$29.66B
Description of Business
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  FORM 5
    NAME AND TITLE
    NON DERIVATIVE SECURITIES
    DERIVATIVE SECURITIES
    EXPLANATIONS AND REMARKS
    REPORTING OWNERS
    SIGNATURES