Universal Registration Document 2024

SUSTAINABILITY REPORT 4 GOVERNANCE MATTERS

Group whistleblowing system The whistleblowing system is one of the pillars of the Ethics and Compliance programme. It provides a secure channel for Groupe ADP stakeholders to express their views. The employee representative bodies were informed of the project when it was launched. Since 2022, an update on the handling of alerts has been presented annually to the European Works Council. The whistleblowing platform (https://alert.groupeadp.fr/ entreprises) was opened on 1 October 2018. It complies with the legal requirements described below, and with French law 2022-401 of 21 March 2022 (Waserman law), which aims to improve the protection of whistleblowers: u the whistleblowing system is accessible 24/7 to all Group employees, external and occasional employees, co contractors as well as their respective subcontractors and suppliers, via an outsourced and secure platform;

u the system allows anyone to ask questions or report problems or breaches of the code of conduct, laws, regulations and company values, in particular: u breaches of ethics, pursuant to French law 2016-1691 of 9 December 2016 (Sapin II law), on transparency, the fight against corruption and the modernisation of economic life, u serious violations of the environment, Human Rights, fundamental freedoms or the health and safety of individuals, in application of French law 2017-399 of 27 March 2017 ( Potier law ), relating to the duty of vigilance of parent companies and ordering companies.

In 2024, the Group handled 90 reports, 30 of which were deemed admissible:

NUMBER OF ADMISSIBLE REPORTS* 2024

NUMBER OF ADMISSIBLE REPORTS* PER GROUPE ADP SCOPE

SOURCE OF ADMISSIBLE REPORTS* 2024

TYPE** OF ALLEGATIONS OF ADMISSIBLE REPORTS* 2024

* Admissible report under legal requirements but not necessarily proven. ** Type selected from a drop-down list by the person submitting the report.

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UNIVERSAL REGISTRATION DOCUMENT 2024 w AÉROPORTS DE PARIS