Exhibit 4
OI S.A. Items 12.5 to 12.10 of the Reference Form |
Candidate appointed to the Fiscal Council
12.5 Registration data and professional experience:
| Name | Date of Birth | Age | Profession |
| Cristiane do Amaral Mendonça | 07/10/1980 | 40 | Accountant |
| CPF or Passport (PAS) | Elective Position Appointed | Date of Election | Investiture Date |
| 088.727.147-29 | Fiscal Council | AGM 2021 | To be defined |
| Term of Office | Other Positions held in the Company | Indication if Elected by the Controller |
| AGM 2022 | Does not apply | No |
| Indication if you are an Independent Member | Number of Consecutive Offices |
| Yes | 0 |
| Professional Experience |
Degree in Accounting from Faculdade Presbiteriana Mackenzie and Post-graduate degree in Auditing, Controllership and Finance from Fundação Getulio Vargas (FGV) Eternit SA (March / 2017 to April / 2020) - Tax Advisor - Understanding the company's business, issuing opinions, recommendations, drafting opinions, auditing accounts and management activities, as well as receiving of complaints. The verification of compliance with legal and statutory obligations by management, knowledge of budget proposals, provide opinions on the use and commitment of company resources, including, without limitation, the maintenance of working capital, in order to maintain the company's financial health and future profits and dividends. Primary focus is the management of administrators, complemented by knowledge of the business, its execution (budget, performance, etc.), business risks and fraud (with a structure for managing risks and opportunities) and a structure of internal controls. VIC DTVM SA (May / 2016 to present) - Compliance, my activities are fraud prevention, information security, business continuity plans, compliance with tax and management accounting policies, risk and people management, attention to internal audits and external monitoring of the areas of internal audit, internal controls, operations and Risk. Assistance to the regulatory entities (CVM, Central Bank of Brazil, BSM) and monitoring of the validation of internal processes. |
BKR-LoQes Machado Audit Jan / 2014 to 2016) Senior Auditor, where my duties were to carry out audit tests, inventory procedures, internal controls, validation of equity accounts through accounting review, compliance with international standards (IFRS), compliance; voucher tests, confirmations, verification of commercial, tax and auxiliary books of the institution, examination of records to verify that such records are supported by the underlying documents; investigate the accounting and financial operations carried out, verifying checks, receipts, invoices and other documents, to prove their accuracy. You can carry out specific audits to determine possible accounting irregularities in the institution. Preparation of Recommendation Reports (REC), analysis of explanatory notes and validation of such notes for issuing the final opinion. Auditing experience in large companies in the industrial, financial and agribusiness sectors. |
| Declaration of Possible Convictions |
Cristiane do Amaral Mendonça has no criminal conviction, no conviction in a CVM (Brazilian Exchange Commission) administrative proceeding, nor any unappealable conviction, in the judicial or administrative scope, that has suspended or disqualified the practice of professional or commercial activity. |
12.6 Percentage of Participation in Board Meetings in the last financial year, held by the respective body that occurred after taking office:
Not applicable.
12.7 Information mentioned in item 12.5 in relation to members of statutory committees, as well as audit, risk, financial and compensation committees, even if such committees or structures are statutory:
She does not participate in any Company committee.
12.8 Information on acting as a member of statutory committees, as well as audit, risk, financial and compensation committees:
She does not participate in any Company committee.
12.9. Information on the existence of a marital relationship, Common law marriage or kinship up to the third degree between:
a. Company’s officers
b (i) Company’s officers and (ii) officers of direct or indirect subsidiaries of the Company
c (i) officers of the Company or its direct or indirect subsidiaries and (ii) Company’s direct or indirect controllers
d (i) Company’s officers and (ii) officers of the direct and indirect controlling companies of the Company
There is no kinship between the Fiscal Committee and any of the aforementioned persons.
12.10. Information on the relationship of subordination, service or control maintained, in the last 3 fiscal years, between the officers of the Company
a company controlled, directly or indirectly, by the Company
No.
b direct or indirect Company controller
No.
c if relevant, supplier, customer, debtor or creditor of the Company, its controlled or controlling persons or subsidiaries of any of these persons
No
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Cristiane do Amaral Mendonça
