UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

 

 

FORM 6-K

 

 

Report of Foreign Private Issuer

Pursuant to Rule 13a-16 or

15d-16 of the Securities Exchange Act of 1934

For the month of August 2012

Commission File Number: 1-15256

 

 

OI S.A.

(Exact Name as Specified in its Charter)

 

 

N/A

(Translation of registrant’s name into English)

Rua General Polidoro, No. 99, 5th floor/part – Botafogo

22280-001 Rio de Janeiro, RJ

Federative Republic of Brazil

(Address of principal executive offices)

 

 

(Indicate by check mark whether the registrant files or will file annual reports under cover of Form 20-F or Form 40-F.)

Form 20-F:  x            Form 40-F:  ¨

(Indicate by check mark if the registrant is submitting the Form 6-K in paper as permitted by Regulation S-T Rule 101(b)(1)):

Yes:  ¨             No:  x

(Indicate by check mark if the registrant is submitting the Form 6-K in paper as permitted by Regulation S-T Rule 101(b)(7)):

Yes:  ¨            No:  x

(Indicate by check mark whether the registrant by furnishing the information contained in this Form, the Registrant is also thereby furnishing the information to the Commission pursuant to Rule 12g3-2(b) under the Securities Exchange Act of 1934.)

Yes:  ¨             No:  x

If “Yes” is marked, indicate below the file number assigned to the registrant in connection with Rule 12g3-2(b):

 

 

 

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EXHIBITS

 

Exhibit Number		Description of Document
1		Notice to the Market (Aviso ao Mercado) relating to the auction of share fractions resulting from Oi’s corporate reorganization (English translation).
2		Notice to the Market (Aviso ao Mercado) clarifying certain items to be discussed at the Extraordinary General Shareholders’ Meeting to be held on August 10, 2012 (English translation).

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SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized.

Date: August 2, 2012