Universal Registration Document 2024

ADDITIONAL INFORMATION 8 CONTRACTS

Reasons justifying the agreement is in your Company’s interests Your Board of Directors has justified this agreement by the interest it represents for your Company to benefit from progress on the CDG Express, a major project for the company.

Reasons justifying the agreement is in your Company’s interests Your Board of Directors has justified this agreement by the fact that it is in your Company's interest to enable it to comply with its legal obligations in the context of measures to ensure the continuity of the company. AMENDMENT No. 5 TO THE JOINT PROJECT MANAGEMENT AGREEMENT WITH SOCIÉTÉ DES GRANDS PROJETS FOR THE CONSTRUCTION 1.14

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AMENDMENT No. 1 TO THE LOAN AGREEMENT WITH GESTIONNAIRE D’INFRASTRUCTURE CDG EXPRESS

OF A STATION AT PARIS-ORLY AIRPORT TO ACCOMMODATE METRO LINES 14 AND 18

Nature and purpose Amendment No. 1 to the credit agreement concluded with the company Gestionnaire d'Infrastructure CDG Express, the purpose of which is to define the terms for the payment of a reimbursable advance to Gestionnaire d'infrastructure CDG Express in the form of a non-revolving €150 million line of credit. Terms and conditions At the meeting of 23 July 2024, your Board of Directors authorised the signature of amendment No. 1 to the credit agreement entered into with the company Gestionnaire d'Infrastructure CDG Express on 21 February 2019, as mentioned in paragraph B.2 of the second part of this report. The purpose of this amendment, signed on 5 December 2024, is to increase the rate of the advance, taking into account changes in market rates and the increase in the rate of the French State’s lending rate. Reasons justifying the agreement is in your Company’s interests Your Board of Directors has justified this agreement by the interest it represents for your Company in enabling progress to be made on the CDG Express project, which is a major project for the company. Nature and purpose Agreement with the French General Delegation for Employment and Vocational Training ( Délégation Générale à l’Emploi et à la Formation Professionnelle – DGEFP) setting your Company’s commitments with respect to its revitalisation obligations under articles L. 1233-84 et seq. of the French Labour Code and determining the principles to be applied in the regions concerned by the revitalisation obligations under the collective mutual termination agreement. Terms and conditions At the meeting of 23 July 2024, your Board of Directors authorised the conclusion of an amendment signed on 22 August 2024 extending the term of the agreement with the DGEFP for the implementation of revitalisation obligations in the context of a collective mutual termination agreement. This agreement, signed on 28 December 2021, provides in particular for your Company to implement and finance revitalisation measures for an amount of €304.8 thousand, as mentioned in paragraph A.1.19 of the second part of this report. In order to continue the local application of the national framework agreement relating to the Orly employment basin, which expires on 14 December 2024, and to extend this local application to allow the completion of actions financed by your Company, the amendment extends the duration of the revitalisation agreement by 10 months and sets its expiry date at 28 April 2025. 1.13 AMENDMENT TO THE AGREEMENT CONCLUDED WITH THE FRENCH GENERAL DELEGATION FOR EMPLOYMENT AND VOCATIONAL TRAINING (DGEFP) FOR THE IMPLEMENTATION OF REVITALISATION OBLIGATIONS IN THE CONTEXT OF A COLLECTIVE MUTUAL TERMINATION AGREEMENT

Persons concerned (in addition to the State and the directors mentioned above)

u Anne Hidalgo, non-voting Board member on the Board of Directors of your Company and member of the Supervisory Board of SGP. u Valérie Pécresse, non-voting Board member on the Board of Directors of your Company and member of the Supervisory Board of SGP. Nature and purpose Amendment No. 5 to the joint project management agreement to cover the additional costs incurred by your Company in monitoring the construction of a station at Paris-Orly airport to accommodate metro lines 14 and 18. Terms and conditions At the meeting of 16 October 2024, your Board of Directors authorised the conclusion of an agreement, signed on 22 November 2024, consisting of Amendment No. 5 to the joint project management agreement for the construction, at Paris-Orly Airport, of a station to accommodate two metro lines and airport facilities, concluded on 16 July 2015, as mentioned in paragraph A.1.23 of the second part of this report. The purpose of this new amendment is to remunerate the additional costs resulting from changes to the programme and timetable, and to increase the amount of funding for the work by SGP to €289.8 million excluding tax, broken down into the work on the station project, which remains fully financed by SGP (increased to €187.6 million excluding tax), the compensation for the car park (unchanged at €62.4 million excluding tax) and your Company's fees for the station (increased to €39.8 million excluding tax). Reasons justifying the agreement is in your Company’s interests Your Board of Directors justified this agreement in that it is in the interest of your Company to develop the attractiveness of Paris-Orly airport, improve its access conditions and optimise the development of Paris-Orly whilst benefiting from the reimbursement by SGP of the costs resulting from these modifications and the remuneration of the project management and project management services. FRAMEWORK PROTOCOL CONCLUDED WITH THE FRENCH GOVERNMENT REPRESENTED BY ITS REAL ESTATE DEPARTMENT ESTABLISHING THE FINANCIAL AND LEGAL CONDITIONS APPLIED TO THE USE OF PREMISES BY CUSTOMS, THE POLICE AND THE DGAC/GTA Nature and purpose Framework protocol (the "Protocol"), the purpose of which is to set the financial and legal conditions applied to the use of premises by Customs, the Police and the French Civil Aviation Authority (DGAC)/Air Transport Gendarmerie (GTA). 1.15

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UNIVERSAL REGISTRATION DOCUMENT 2024 w AÉROPORTS DE PARIS