RIO DE JANEIRO, Sept. 18, 2013 /PRNewswire/ -- Oi S.A. (the "Company") – BM&FBOVESPA: OIBR3 and OIBR4 / NYSE: OIBR – hereby discloses to its shareholders and the market in general that the Board of Directors, at a meeting held on September 18, 2013, approved the payment of......
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