| 7/30/2018 | DDEM | Oi plans to make Feb. 5, 2019 interest payment on toggle notes in cash
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| 7/27/2018 | DDEM | Oi: $159.15 million of notes surrendered under settlement procedures
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| 7/26/2018 | DDEM | Oi announces closing of rights offering and recovery settlement date
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| 6/15/2018 | DDEM | Oi announces launch of settlement procedures for various bondholders
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| 6/4/2018 | DDEM | Oi units’ Dutch composition plans approved by creditors at meetings
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| 4/11/2018 | DDEM | Oi: Dutch courts schedule June 1 meetings tied to plan verification
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| 2/6/2018 | DDEM | Oi: Plan confirmation order published; creditors can choose payment
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| 12/20/2017 | DDEM | Oi creditors approve plan including R$4 billion investment commitment
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| 12/13/2017 | DDEM | Oi, bondholders propose adjustments to judicial restructuring plan
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| 11/6/2017 | DDEM | Oi tentatively agrees to hold restructuring talks in Brazil this week
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| 10/12/2017 | DDEM | Oi submits adjusted version of reorganization plan to Brazilian court
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| 4/20/2017 | DDEM | Oi: Dutch court orders conversion of payment suspension proceedings
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| 4/11/2017 | DDEM | Oi: Court nominates Arnoldo Wald to assume judicial administrator role
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| 2/21/2017 | DDEM | Oi: Hearing on case conversion denial appeals scheduled for March 29
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| 2/10/2017 | DDEM | Oi bondholders committee, bond trustee appeal case conversion denial
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| 12/2/2016 | DDEM | Oi units’ administrators request payment suspension case conversion
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| 6/21/2016 | DDEM | Moody’s downgrades Oi, debt on bankruptcy filing
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| 6/20/2016 | EM | Fitch downgrades Oi
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| 3/1/2016 | EM | Moody’s downgrades Oi
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| 7/15/2015 | EM | Fitch downgrades Oi
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| 6/11/2015 | EM | Fitch rates Oi Brasil notes BB+
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| 6/11/2015 | EM | Moody’s assigns Oi Brasil notes Ba2
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| 6/11/2015 | EM | S&P rates Oi Brasil notes BB+
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