ANTIN // 2021 Universal Registration Document

CORPORATE GOVERNANCE

Organisation and activities of the Board of Directors and its committees

Activity of the Audit Committee in 2021 and early 2022 The Audit Committee met once in 2021 and once in first quarter 2022. The Audit Committee examined the following points: Areas of focus Matters considered

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3 Market and trading update 3 Presentation of assets under management (AUM) for the 3Q 2021 3 FY 2021 results and corresponding press release 3 Quarterly results 3 Assets under management (AUM) for the 1Q 2022 3 Financial statements as of 31 December 2021 3 Consolidated Financial Statements as of 31 December 2021 3 Press release regarding financial statements as of 31 December 2021 3 2021 URD 3 Update on forecasts

ACCOUNTING AND FINANCIAL INFORMATION

3 Cash management and treasury options 3 2022 financial communication agenda 3 Review of liquidity/cash management and dividend proposal 3 Annual authorisation to the Chief Executive Officer to give guarantees, pledges and security interests

3 Risk mapping 3 Internal control and risk management 3 Internal audit plan 3 Risk management procedures 3 Insurance review 3 Assessment of the finance function 3 Overview of Antin’s estimated insurance cover for 2022

RISK MONITORING AND INTERNAL CONTROL

3 Review of statutory auditors’ qualifications, performance, auditing and non-auditing fees and independence; non-audit services 3 Statutory auditors’ work and reports 3 Statutory auditors’ audit strategy in 2022

STATUTORY AUDITORS MONITORING

COMPANY’S POLICIES AND COMPLIANCE

3 Antin’s compliance

3 Annual review of related party agreements and agreements relating to transactions entered in the ordinary course of business and on arms’ length terms 3 Review of the internal rules relating to related-party agreements and the procedure for the review of agreements entered into in the ordinary course of business and on arms’ length terms

RELATED PARTY AGREEMENTS

3 Auditors’ report to the Audit Committee 3 Review of auditors’ reports to the Annual Shareholders' Meeting 3 Review of the Board’s reports to the Annual Shareholders' Meeting 3 Review of resolutions to be submitted to the Annual Shareholders' Meeting

SHAREHOLDERS’ MEETING

51 ANTIN INFRASTRUCTURE PARTNERS S.A. - UNIVERSAL REGISTRATION DOCUMENT 2021