ADP // 2021 Universal Registration Document

SOC I AL , ENV I RONMENTAL AND SOC I ETAL RESPONS I B I L I TY I NFORMAT I ON 4 REPORT OF THE INDEPENDENT THIRD PARTY ON THE VERIFICATION OF THE CONSOLIDATED STATEMENT OF EXTRA-FINANCIAL PERFORMANCE XX

the supporting documents. This work was carried out on a selection of contributing entities listed above and covers between 25% and 44% of the consolidated data selected for these tests (25% of energy consumption and 44% of the workforce); ◆ we assessed the overall consistency of the Statement in relation to our knowledge of all the entities included in the scope of consolidation. The procedures implemented as part of a limited assurance engagement are less extensive than those required for a reasonable assurance engagement performed in accordance with the professional doctrine of the Compagnie Nationale des Commissaires aux Comptes; a higher level of assurance would have required more extensive verification work.

◆ we obtained an understanding of internal control and risk management procedures the Entity has put in place and assessed the data collection process to ensure the completeness and fairness of the Information; ◆ for the key performance indicators and other quantitative results that we considered to be the most important presented in Appendix 1, we implemented: ◆ analytical procedures that consisted in verifying the correct consolidation of collected data as well as the consistency of changes, ◆ detailed tests on the basis of sampling or other means of selection, consisting of verifying the correct application of definitions and procedures and reconciling the data with

Paris-La Défense, 7 March 2022

Independent third party

EY & Associés Philippe Aubain Associate Director, Sustainable Development

250

AÉROPORTS DE PAR I S / UN I VERSAL REG I STRAT I ON DOCUMENT 202 1