Disclosure of trading in own shares from December 29, 2025 to January 2, 2026

Core Viewpoint - Nexans has announced a share buyback program, detailing the purchase of its own shares from December 29, 2025, to January 2, 2026, as part of its ongoing strategy to manage capital and enhance shareholder value [1]. Summary by Sections Share Buyback Program - Nexans disclosed the execution of its share buyback program, which was initially published on March 27, 2025 [1]. - The company executed a total of 6,820 shares during the buyback period [2]. Daily Transactions - The daily transactions for the shares purchased are as follows: - December 29, 2025: 1,705 shares at an average price of €125.19 [2] - December 30, 2025: 1,705 shares at an average price of €126.04 [2] - December 31, 2025: 1,705 shares at an average price of €125.85 [2] - January 2, 2026: 1,705 shares at an average price of €127.06 [2] Broker Information - The transactions were executed by Kepler Cheuvreux, acting under a mandate for Nexans [1][2].