Oi S.A.: Call Notice – Extraordinary General Shareholders’ Meeting

[PR Newswire] – RIO DE JANEIRO, Feb. 21, 2014 /PRNewswire/ — The Board of Directors of Oi S.A. (the Company) – BM&FBOVESPA: OIRBR3 and OIBR4 / NYSE: OIBR – calls the shareholders of the Company to attend the Extraordinary General Shareholders’ Meeti more

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