Company:  UNS ENERGY CORP (UNS)
Form Type:  4
Filing Date:  2/27/2012 
CIK:  0000941138 
Address:  88 EAST BROADWAY 
City, State, Zip:  TUCSON, Arizona 85701 
Telephone:  520-571-4000 
Fiscal Year:  12/31 
Last Trade
Last Trade: 
$45.68  
Change: 
-1.37 (-2.91%)  
Trade Time: 
04:02 PM EST  
Market Cap: 
$1.89B
Description of Business
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  FORM 4
    NAME AND TITLE
    NON DERIVATIVE SECURITIES
    DERIVATIVE SECURITIES
    EXPLANATIONS AND REMARKS
    REPORTING OWNERS
    SIGNATURES