Company:  OI S.A. (OIBR)
Form Type:  F-6EF
Filing Date:  2/28/2012 
CIK:  0001160846 
Address:  RUA GENERAL POLIDORO, NO. 99
5TH FLOOR/PART - BOTAFOGO 
City, State, Zip:  RIO DE JANEIRO, RJ,  22280-001 
Telephone:  55-21-3131-1211 
Fiscal Year:  12/31 
Last Trade
Last Trade: 
$2.35   		Change: 
-0.04 (-1.67%)  
Trade Time: 
May 20   		Market Cap: 
$2.64B
Description of Business
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  FORM F-6EF
    CALCULATION OF REGISTRATION FEE
    PART I
    Description of Securities to be Registered
    Available Information
    PART II
      Exhibits
    SIGNATURES
    INDEX TO EXHIBITS
  EXHIBIT 1
  EXHIBIT 2
  EXHIBIT 4
  EXHIBIT 5
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