Disclosure of trading in own shares from December 1, 2025 to December 5, 2025

Core Points - Nexans has announced a share buyback program, detailing the purchase of its own shares from December 1, 2025, to December 5, 2025 [1] - The total number of shares purchased during this period amounts to 8,525 shares [2] - The average purchase price of shares increased over the buyback period, starting from €124.76 on December 1, 2025, and reaching €130.71 by December 5, 2025 [2] Summary by Category Share Buyback Program - Nexans disclosed the execution of its share buyback program, which was initially published on March 27, 2025 [1] - The buyback program is conducted under applicable laws regarding share repurchases [1] Transaction Details - The daily purchase volumes were consistent at 1,705 shares for each day from December 1 to December 5, 2025 [2] - The daily weighted average purchase prices for the shares were as follows: - December 1: €124.76 - December 2: €126.92 - December 3: €127.66 - December 4: €129.28 - December 5: €130.71 [2] Broker Information - The transactions were executed by Kepler Cheuvreux, which acted as the broker for the share buyback [2][3]