Company:  PS BUSINESS PARKS INC/CA (PSB)
Form Type:  4
Filing Date:  5/1/2012 
CIK:  0000866368 
Address:  701 WESTERN AVE
SUITE 200
 
City, State, Zip:  GLENDALE, California 91201-2397 
Telephone:  (818) 244-8080 
Fiscal Year:  12/31 
Last Trade
Last Trade: 
$84.05  
Change: 
-1.67 (-1.95%)  
Trade Time: 
May 22  
Market Cap: 
$2.05B
Description of Business
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  FORM 4
    NAME AND TITLE
    NON DERIVATIVE SECURITIES
    DERIVATIVE SECURITIES
    EXPLANATIONS AND REMARKS
    REPORTING OWNERS
    SIGNATURES