Oi S.A. announced that, on August 30, 2021, Ms. Camille Loyo Faria left the Company, leaving the positions of Investor Relations Officer, after performing an important role in (i) the negotiation, preparation and approval at the Creditors General Meeting of the Amendment to the Oi’s Judicial Reorganization Plan (“APRJ”); (ii) the execution and conclusion of the competitive procurement processes for the sale of the Single Production Units (“UPIs”) and (iii) the successful implementation of several fundraising financial operations. On this same date, after several years of intense and relevant contribution in the operation and leadership of its commercial and customer service structure, Oi informs that Mr. Bernardo Kos Winik also leaves the Company, and consequently the positions of Commercial Officer and of member of the Board of Officer, without specific designation. Pursuant to Article 36 of the Company’ ByLaws, the Board of Officers, at a meeting held on this date, appointed Mr. Rodrigo Modesto de Abreu to temporarily cumulate his current duties as Chief Executive Officer with the functions of Investor Relations Officer, until the Board of Directors resolves on the appointment of a new statutory officer for the aforementioned positions.