Disclosure of transactions in on shares from October 13th to October 17th,2025

Core Points - VINCI SA has conducted share buybacks from October 13 to October 17, 2025, under the authorization granted by its General Meeting on April 17, 2025 [2] - A total of 336,516 shares were purchased during this period, with an average price of €119.5470 per share [2] Summary by Category Share Buyback Transactions - On October 13, 2025, VINCI purchased a total of 76,473 shares across three markets, with average prices ranging from €118.0768 to €118.2265 [2] - On October 14, 2025, the company bought 76,345 shares, with average prices between €117.7976 and €118.9507 [2] - On October 15, 2025, VINCI acquired 38,757 shares, with average prices from €120.4748 to €121.0266 [2] - On October 16, 2025, the total shares purchased were 72,614, with average prices between €120.3449 and €120.7034 [2] - On October 17, 2025, VINCI bought 72,327 shares, with average prices ranging from €120.9763 to €121.3126 [2] Market Information - The transactions were executed across multiple markets, including XPAR, CEUX, and TQEX, indicating a diversified approach to share buybacks [2] - The highest average price recorded during this period was €121.3126 on October 17, 2025 [2]