Company:  F5 NETWORKS INC (FFIV)
Form Type:  4
Filing Date:  3/16/2012 
CIK:  0001048695 
Address:  401 ELLIOT AVE WEST
STE 500
 
City, State, Zip:  SEATTLE, Washington 98119 
Telephone:  (206) 272-5555 
Fiscal Year:  09/30 
Last Trade
Last Trade: 
$82.66  
Change: 
-0.22 (-0.27%)  
Trade Time: 
May 21  
Market Cap: 
$6.51B
Description of Business
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  FORM 4
    NAME AND TITLE
    NON DERIVATIVE SECURITIES
    DERIVATIVE SECURITIES
    EXPLANATIONS AND REMARKS
    REPORTING OWNERS
    SIGNATURES
  EXHIBIT 24.4 416734
    POWER OF ATTORNEY