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OI S.A.

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05/23Brazil regulator probes whether activist's funds engaged in insider trading -documents
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05/05TRANSCRIPT : Oi S.A., Q4 2021 Earnings Call, May 05, 2022
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05/05Oi S.A. Reports Earnings Results for the Fourth Quarter Ended December 31, 2021
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05/05Oi S.A. Reports Earnings Results for the Full Year Ended December 31, 2021
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04/28MATERIAL FACT - EXECUTION OF TERM SH : Transfer of the DTH Base and use of the IPTV Infras..
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04/27OI S A : Distance Voting Ballot AGM 04/29/2022
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04/27OI S A : AESM 04/29 - Consolidated Voting Chart
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04/27Telefonica Brasil expects $1.09 billion of synergies with Oi deal
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04/25Brazil's TIM sees $4 bln boost from Oi mobile deal
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04/20Oi S.A. Announces Expiration and Results of its Tender Offer for Any and All of its Out..
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04/20OI S A : Notice to the Market - Expiration of the Tender Offer of the outstanding Senior S..
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04/20OI S A : Material Fact - Closing of the sale of Mobile Assets UPI
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04/20Purchase of Brazil's Oi mobile operations is concluded, says TIM
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04/13OI S A : Notice to the Market - Tender Offer
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04/13Oi S.A. Launches Tender Offer for Any and All of its Outstanding 8.750% Senior Secured ..
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04/13OI S A : Material Fact - Preparatory acts for the sale of Mobile Assets UPI
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04/07OI S A : Notice to Shareholders - Nomination to Fiscal Council
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04/04OI S A : Notice to Shareholders - Nomination to Fiscal Council
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04/01OI S A : Notice to Shareholders - End of the Preemptive Right
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03/30OI S A : Management Proposal - AEGSM 04/29/2022
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03/30OI S A : Participation Manual - AEGSM 04/29/2022
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03/30OI S A : Call Notice Annual and ESGM April 29, 2022
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03/25OI S A : Material Fact - Postponement for the disclosure of Financial Statements
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03/21OI S A : Notice to Shareholders - Nomination to Fiscal Council
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03/10OI S A : CVM 358 - Company, Subsidiaries and Affiliates - February/21*
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03/04OI S A : Excerpt Of Item 4 Of The Minutes Of The 320th Board Of Directors Meeting Held On ..
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02/25OI S A : Material Fact - Temporary Suspension of the stock's price above R$ 1,00 requerime..
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02/23OI S A : Extract of the item 3 of the minutes of the meeting of the fiscal council held on..
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02/23OI S A : Minutes of the 319 meeting of the board of directors on february 22, 2022
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02/22OI S A : Exhibit 30-XXXIII ICVM 480
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02/22OI S A : Notice to the Market - Long Term Incentive Plan through Capital Increase
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02/22OI S A : Notice to the Market - Merger of Oi Móvel with and into Oi
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02/16NOTICE TO THE MARKET - MOBILE ASSETS : CADE's Approval
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02/15OI S A : Minutes Of The 318 Meeting Of The Board Of Directors On February 04, 2022
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02/14OI S A : Material Fact - Deregistration of Oi from SEC
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02/11OI S A : Minutes Of The 317 Meeting Of The Board Of Directors On February 02, 2022
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02/10OI S A : Notice to the Market - Response to the CVM/B3 Letter
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02/09OI S A : Material Fact - Mobile Assets UPI Disposal CADE's Approval
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02/07Brazilian telecom Oi shares plunge as mobile ops sale hits snag
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02/07OI S A : Final Detailed Voting Chart - ESM 01/27/2022
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02/07Brazil prosecutors ask antitrust body to block Oi mobile ops sale
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02/03OI S A : Material Fact - Reply to B3 Official Letter
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02/03OI S A : Material Fact - Change in the Board of Officers
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02/01OI S A : Minutes of the 312st meeting of the board of directors on january 21, 2022
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02/01OI S A : Minutes of the 313 meeting of the board of directors on january 31, 2022
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01/31OI S A : Material Fact - ANATEL's Approval on (Mobile Assets UPI) and the Oi Móvel Merger_..
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01/31OI S A : Material Fact - Reelection of the Chief Executive Officer
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01/31TIM S.A. acquired Mobile Telephony Operations of Oi SA.
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01/28OI S A : Notice to the Market - Response to the CVM/B3 Letter
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01/27OI S A : Final summary voting chart
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01/27OI S A : Minutes of extraordinary general shareholders' meeting
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01/26OI S A : EGSM - Consolidated Voting Chart
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01/25OI S A : EGM - Summary Voting Chart
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01/14OI S A : Notice to Shareholders - Ordinary General Shareholders' Meeting
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01/05OI S A : Valuation Report of Oi Móvel
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01/05OI S A : Extract of the item 1 of the minutes of the meeting of the fiscal council held on..
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01/05OI S A : Minutes of the 311 meeting of the board of directors on january 4, 2022
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01/05OI S A : Extraordinary shareholders' meeting - call notic e
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01/05OI S A : Material Fact - Convening of ESGM to deliberate on the proposed merger of Oi Move..
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01/05OI S A : EGM 01/27 - Manual for Participation
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01/05OI S A : EGM 01/27- Management Proposal
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01/05OI S A : EGM 01/27 - Protocol and Justification of the Merger of Oi Movel
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01/05OI S A : EGM 01/27 - Distance Voting Ballot
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2021OI S A : EXCERPT OF ITEM 4 OF THE MINUTES OF THE 309th BOARD OF DIRECTORS MEETING HELD ON ..
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2021Fitch Affirms Oi at 'CCC+'
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2021OI S A : Minutes of the 307th meeting of the board of directors on december 2, 2021
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2021OI S A : Notice to the market - Replacement of external auditor
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2021OI S A : Notice to the Market - Live BTG Pactual 12/14/2021
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2021OI S A : Audio Transcript 3Q21
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2021OI S A : under Judicial Reorganization and Subsidiaries - Form 6-K
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2021Oi S.A. Reports Earnings Results for the Third Quarter and Nine Months Ended September ..
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2021TRANSCRIPT : Oi S.A., Q3 2021 Earnings Call, Nov 11, 2021
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2021Presentation Results 3Q21
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2021EXCERPT OF ITEMS 2 AND 4 OF THE MINUTES OF THE 304th BOARD OF DIRECTORS MEETING HELD ON..
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2021Oi S.A. – In Judicial Reorganization - Form 6-K
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