Description of the 2023-2024 treasury share buy-back programme submitted by the Board of Directors for the approval of the Combined General Meeting of Shareholders of 13 April 2023

Registered Office: 1973 boulevard de la Defense F-92000 Nanterre
552 037 806 RCS Nanterre

This program allows you to purchase shares up to 10% of the Company's share capital for a period of 18 month, from 13 April 2023 through 12 October 2024. (See duration below). Any derivatives purchased by the Company as part of the programme will be recognized in the maximum amount allowed at the time. Only the amount related to any treasury share price acquired by exercising share purchase options will be recognized at the time they are exercised. Fulfillment of obligations to exchange or transfer shares in accordance with the exercise of rights attached to securities giving the Company's share capital.

Transfers of shares to pay or exchange, especially in connection with transactions that involve external growth.

Market-making by a liquidity agreement, which complies with an AMF code of ethics and is entrusted to an independent investment service provider.

This program is in accordance with Articles L.22-10-62, et cetera. 4. Retention and future delivery of payment or exchange funds in connection to transactions involving external growth

5. Market liquidity is guaranteed within the framework of a liquidity arrangement that conforms to a code of ethics recognized by the Autorite des Marches Financiers, and entrusted an independent investment service provider;

EUR140 is the maximum price for a share. This authorisation does not allow for more than 10% of the share capital to be purchased. In the event of transactions involving Company capital, the Board of Directors shall adjust the share purchase price in accordance with applicable regulations. These shares can be acquired, transferred, allotment, or exchanged by any method that is authorised or may become authorised under regulations, on-market and off-market. This includes block transactions, derivatives, or by using block transactions. This authorization is valid for 18 months starting at the date of the Shareholders General Meeting. VINCI can acquire a maximum 10% share of the total share capital at the date of the Combined Stockholders' General meeting. This programme allows for a maximum capital allocation of EUR4 billion to be used to purchase shares. This maximum amount shall not exceed EUR4 billion.