Company:  F5 NETWORKS INC (FFIV)
Form Type:  S-8
Filing Date:  2/29/2012 
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 S-8
    CALCULATION OF REGISTRATION FEE
    PART II
      Item 3. Incorporation of Documents by Reference.
    Item 4. Description of Securities.
    Item 5. Interests of Named Experts and Counsel.
      Item 6. Indemnification of Directors and Officers.
      Item 7. Exemption from Registration Claimed.
      Item 8. Exhibits.
      Item 9. Undertakings.
    Signatures
    Power of Attorney
    EXHIBIT INDEX
  EXHIBIT 5.1
  EXHIBIT 10.1
  EXHIBIT 10.2
  EXHIBIT 23.1
    CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM