Call Start: 11:00 January 1, 0000 12:13 PM ET Oi S.A. ADR (OTC:OIBRQ) Q4 2020 Earnings Conference Call March 29, 2021 11:00 AM ET Company Participants Rodrigo Abreu - CEO Conference Call Participants Leonardo Olmos - UBS Soomit Datta - Newstreet Maria Tereza - Santander Operator Good morning, ladies and gentlemen. Thank you for standing by and welcome to Oi S.A's Conference Call to discuss the Fourth Quarter of 2020 Results. This event is also being broadcast simultaneously on the Internet via webcast, whic ...

Financial Performance & Strategy - Oi delivered on all objectives set for 2020[13] - Net revenues decreased by 45% from 4700 million to 4490 million R$[15], then increased by 35% to 4648 million R$, and finally increased by 15% to 4720 million R$[15] - Postpaid revenues grew 63% in 2020 compared to the previous year[16] - Routine EBITDA increased by 05% from 1452 million to 1460 million R$[18] and Routine Ebitda Margin increased from 299% to 309%[57] - The company is in the process of securing significant injection of resources through the sale of designated UPIS[97] Fiber Expansion - Fiber revenues fully offset Legacy decline QoQ[14] - Fiber has already reached 30% share of revenues and is TAKING OVER AS THE MOST RELEVANT REVENUE LINE in residential[30] - Fiber revenue in 4Q20 reached over 500 million R$[20] - The company added 59% more Homes Connected (HCs) in 2020 than the 2nd player[25] B2B and Wholesale - IT revenues increased by 51% from 451 million to 679 million R$[41] - Wholesale revenues increased by 134%[44]

Oi S.A. ADR (OTC:OIBRQ) Q3 2020 Earnings Conference Call November 13, 2020 9:00 AM ET Company Participants Rodrigo Abreu - CEO Conference Call Participants Fred Mendes - Bradesco Marcelo Santos - JPMorgan Maria Tereza - Santander Carlos Sequeira - BTG Soomit Datta - Newstreet Operator Good morning, ladies and gentlemen. Thank you for standing by and welcome to Oi S.A. Conference Call to discuss the Third Quarter of 2020 Results. This event is also being broadcast simultaneously on the Internet via webcast, ...

Oi S.A. (OTC:OIBRQ) Q2 2020 Earnings Conference Call August 14, 2020 9:00 AM ET Company Participants Rodrigo Abreu - Chief Executive Officer Conference Call Participants Fred Mendes - Bradesco Maria Tereza - Santander Marcelo Santos - JPMorgan Operator Good morning, ladies and gentlemen. Thank you for standing by. And welcome to Oi S.A. Conference Call to discuss the Second Quarter of 2020 Results. This event is also being broadcast simultaneously on the Internet via webcast, which can be accessed on the Co ...

Oi 2Q20 EARNINGS REVIEW Investor Relations | August 13, 2020 oi IMPORTANT NOTICE 2 This presentation contains forward-looking statements within the meaning of the U.S. Private Securities Litigation Reform Act of 1995 and the applicable Brazilian regulations. Statements that are not historical facts, including statements regarding the beliefs and expectations of Oi S.A. – under Judicial Reorganization ("Oi" or "Company"), business strategies, future synergies, cost savings, future costs and future liquidity ...

Financial Data and Key Metrics Changes - The company reported a significant improvement in cash position, ending Q1 2020 with BRL 6.3 billion compared to BRL 2.3 billion at the end of the previous year, driven by a bridge loan and the sale of Unitel [46] - Overall residential revenue declined by 12%, primarily due to a 27% drop in copper revenue and a 23% decline in copper broadband revenue, while fiber revenues surged by 700% [22][23][24] - Operating expenses (OpEx) decreased by 7% year-over-year, contributing to an EBITDA margin approaching 32% [39] Business Line Data and Key Metrics Changes - Fiber business achieved a milestone of 1 million FTTH customers, with a target of 1.6 to 1.8 million homes connected by year-end [6][12] - Postpaid revenues grew by 12% annually, with a 20.6% increase in the postpaid customer base [7][26] - B2B IT corporate revenues increased by nearly 40%, while overall B2B revenues declined by 10% due to a drop in voice consumption [30] Market Data and Key Metrics Changes - The company maintained a strong market performance in the postpaid segment, gaining 2 percentage points in market share despite a competitive environment [27] - The prepaid market faced challenges, but the company managed to maintain and slightly increase its market share [28] - Wholesale revenues grew by approximately 7%, marking a return to growth in this segment [32] Company Strategy and Development Direction - The company is focused on long-term sustainability through a strategic transformation plan that emphasizes fiber deployment and operational efficiency [5][10] - A significant shift in CapEx allocation was noted, with 60% directed towards fiber deployment and only 15% towards copper maintenance [42] - The company aims to separate its infrastructure and service operations to enhance focus and efficiency, drawing on successful examples from other countries [112][113] Management's Comments on Operating Environment and Future Outlook - Management acknowledged the impact of the COVID-19 pandemic on operations, particularly in the prepaid segment, but noted resilience in fiber performance [64][66] - The company is optimistic about the recovery of collections and expects to stabilize B2B revenues as the situation normalizes [63] - Future plans include a focus on expanding fiber infrastructure and enhancing customer experience through digital initiatives [100][104] Other Important Information - The company has implemented measures to protect employees during the pandemic, including remote work policies and health monitoring [49][50] - A strategic plan amendment was filed to prepare for a general creditors meeting, aiming for long-term sustainability [69] Q&A Session Summary Question: What are the impacts of the pandemic on the business? - The pandemic affected prepaid top-ups significantly, but there was a recovery observed in late April due to government relief funds [58][60] - Fiber continued to show strong results, with record sales and reduced churn during the crisis [64][66] Question: How is the company managing its cash position? - The company ended Q1 with a cash position of BRL 6.3 billion, bolstered by a bridge loan and asset sales [46] Question: What is the strategy for the fiber business moving forward? - The company aims to connect close to 2 million homes by the end of 2020 and continues to see strong demand for its fiber offerings [12][86]

Financial Highlights - Oi's Q1 2020 Fiber revenue experienced a significant year-over-year growth of 701%[7] - Postpaid revenue increased by 12% annually[7] - IT Corporate revenue grew by 38% annually[7] - The company closed a bridge loan of 25 billion reais[7] - The company received $1 billion from Unitel in January[7] Operational Performance - Oi reached 1 million FTTH customers[7] - 97 thousand new FTTH homes were connected in April alone[7] - Fiber project implementation continues at a strong pace, reaching 1 million FTTH clients[9] - Postpaid customer base increased by 206% from 8114 thousand in 1Q19 to 9784 thousand in 1Q20[19] Strategic Initiatives - The company is pursuing strategic options at the General Creditors Meeting (GCM) for plan amendments and company flexibility, expected for August 2020[7] - Market process for mobile sale is in progress[7] - Structural separation for value maximization is underway, focusing on Infra Co and Client Co[7] - The company is implementing simplification initiatives to generate savings in line with targets for the year[7]

Table of Contents As filed with the Securities and Exchange Commission on April 30, 2020 OR ☐ SHELL COMPANY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Commission file number: 001-15256 Oi S.A. – In Judicial Reorganization UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 20-F ☐ REGISTRATION STATEMENT PURSUANT TO SECTION 12(b) OR 12(g) OF THE SECURITIES EXCHANGE ACT OF 1934 OR ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHA ...

Table of Contents As filed with the Securities and Exchange Commission on April 26, 2019 Commission file number: 001-15256 Oi S.A. – In Judicial Reorganization UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 20-F ☐ REGISTRATION STATEMENT PURSUANT TO SECTION 12(b) OR 12(g) OF THE SECURITIES EXCHANGE ACT OF 1934 OR ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE FISCAL YEAR ENDED DECEMBER 31, 2018 OR ☐ TRANSITION REPORT PURSUANT TO SE ...