Disclosure of transactions in on shares from October 27th to October 31st,2025

Core Points - VINCI SA has conducted share buybacks from October 27 to October 31, 2025, under the authorization granted by its General Meeting on April 17, 2025 [2] - A total of 551,476 shares were purchased during this period, with an average daily weighted price of €117.3025 [2] Summary by Category Share Buyback Transactions - On October 27, 2025, VINCI purchased a total of 103,413 shares across three markets, with prices ranging from €119.6067 to €119.6113 [2] - On October 28, 2025, the company bought 134,368 shares, with prices between €117.5872 and €118.3763 [2] - On October 29, 2025, VINCI acquired 133,725 shares, with prices from €116.4747 to €116.7519 [2] - On October 30, 2025, the total shares purchased were 89,000, with prices ranging from €116.1934 to €116.2192 [2] - On October 31, 2025, VINCI bought 90,970 shares, with prices between €115.8871 and €115.9053 [2] Market Performance - The buybacks were executed across multiple markets, including XPAR, CEUX, and TQEX, indicating a diversified approach to share repurchase [2] - The daily weighted average prices show a slight decline over the buyback period, starting from €119.6090 on October 27 to €115.8871 on October 31 [2]