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 January 2013

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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OI S.A.

Corporate Taxpayers’ Registry (CNPJ/MF) No. 76.535.764/0001-43

Board of Trade (NIRE) No. 33.300.29520-8

A Publicly-Held Company

NOTICE TO THE MARKET

Oi S.A. (“Oi”) hereby informs the market that its Board of Directors approved, at a meeting held on this date, the nomination of Mr. José Mauro Mettrau Carneiro da Cunha for the position of CEO of Oi and its subsidiaries, replacing Mr. Francisco Tosta Valim Filho. Mr. José Mauro Mettrau Carneiro da Cunha has vacated the position of Chairman of the Board of Directors of Oi, and his alternate, Mr. José Augusto da Gama Figueira, has been appointed as his replacement.

Rio de Janeiro, January 22, 2013.

Oi S.A.

Alex Waldemar Zornig

Investor Relations Officer

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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: January 22, 2013