ANTIN // 2021 Universal Registration Document

INFORMATION ON THE SHARE CAPITAL AND MAJOR SHAREHOLDERS

Financial communication policy and calendar

8.3.3 Dividend policy The Company made no dividend payments for the years ended 31 December 2019 and 2020 as it was registered on 18 June 2021. However, for illustrative purposes, the table below shows the amount of dividends and the net dividend per share distributed by AIP SAS and AIP UK over the last three years:

2021

2020

2019

AMOUNT OF DIVIDENDS DISTRIBUTED BY AIP SAS AND AIP UK (in thousands of euros) AIP SAS

32,050 (1) 22,780 (1)

52,600 34,100 86,700

30,350 10,250 40,600

AIP UK TOTAL Pre-IPO

54,830

NET DIVIDEND PER SHARE DISTRIBUTED BY AIP SAS AND AIP UK (in euros) AIP SAS

3.2 (1)

5.26

3.04

AIP UK

2,278 (1)

3,410

1,025

(1) The dividend payments were made prior to the Company's IPO.

Antin paid dividends of €54.8 million in 3 instalments in the year ended 31 December 2021. A dividend of €6.8 million was paid in March on the basis of the 2020 net income. In addition, Antin paid an interim dividend for 2021 of €33.1 million in July and €15.0 million in September 2021. These dividend payments were made prior to the IPO of the Company.

Antin's objective is to distribute a substantial majority of the remaining distributable profits in dividends. The proposed dividend for the period from 23 September to 31 December 2021 is €0.11 per share, equivalent to €19.2 million. Subject to the approval of the Annual Shareholders' Meeting of the Company to be held on 24 May 2022, the ex-dividend date shall be 26 May 2022, and the dividend will be paid in cash as from 30 May 2022.

8.4 FINANCIAL COMMUNICATION POLICY AND CALENDAR

Information on the website The website is regularly updated and includes in particular: 3 financial presentations and press releases (“ Results and presentations ” section); 3 the Universal Registration Document and Half-Year financial report (“ Regulated information ” section); 3 informat ion on the Annual Shareholders’ Meet ing (“ Shareholders’Meeting ” section).

2022 calendar 25/04/2022

1Q 2022 AuM Announcement Annual Shareholders’ Meeting 1H 2022 AuM Announcement

24/05/2022 21/07/2022 14/09/2022 04/11/2022

1H 2022 Results

3Q 2022 AuM Announcement

8

Contacts

Antin Infrastructure Partners 374, rue Saint-Honoré 75001 Paris

Shareholder Relations Shareholderrelations@antin-ip.com

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