NEW YORK, Aug.

SAO PAULO, June 17 /PRNewswire-FirstCall/ -- Oi, Brazil's leading telecommunications firm, through its recently acquired Brasil Telecom, once more evidenced its commitment to corporate governance, transparency and investors' access to information.

NEW YORK, Oct. 5 /PRNewswire/ -- MZ Consult NY (www.mz-ir.com), a leading global investor relations and financial communications firm, announces that the registration period for the 12th annual edition of the IR Global Rankings and Awards ("IRGR") is open to all companies across the world.

NEW YORK, Oct. 1 /PRNewswire-FirstCall/ -- BNY Mellon, the global leader in asset management and securities servicing, has been selected by Brasil Telecom S.A. and Brasil Telecom Participacoes S.A. as the successor depositary bank for their American depositary receipt (ADR) programs.

NEW YORK, Sept.