The Information contained in this web site represents only a summary of the terms of each company's corporate action and may not contain all relevant information. For a complete description of each company's corporate action, consult the information distributed by the company.

Dec 29, 2014	Oi S.A. - Books Re-opened Announcement
Dec 22, 2014	Oi S.A. - REVISED - Reverse Stock Split
Dec 16, 2014	Oi S.A. - Preferred - Reverse Stock Split
Apr 03, 2014	Oi S.A. - NOTICE OF PRIORITY SUBSCRIPTION IN OI'S REGISTERED OFFERING
Aug 14, 2012	Oi S.A. -REVISED- Rato Change
Apr 10, 2012	Tele Norte Leste Participacoes S.A. *AMENDED* Merger of Shares with and into Oi S.A. (formerly called Brasil Telecom S.A.)
Feb 22, 2012	Brasil Telecom S.A. -- Pref- Name Change To -- Oi S.A.