Company:  NORTHERN TRUST CORP (NTRS)
Form Type:  4
Filing Date:  4/3/2012 
CIK:  0000073124 
Address:  50 S LASALLE ST 
City, State, Zip:  CHICAGO, Illinois 60603 
Telephone:  (312) 630-6000 
Fiscal Year:  12/31 
Last Trade
Last Trade: 
$57.11  
Change: 
-0.49 (-0.85%)  
Trade Time: 
May 23  
Market Cap: 
$13.66B
Description of Business
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  FORM 4
    NAME AND TITLE
    NON DERIVATIVE SECURITIES
    DERIVATIVE SECURITIES
    EXPLANATIONS AND REMARKS
    REPORTING OWNERS
    SIGNATURES