Disclosure of trading in own shares from December 22, 2025 to December 24, 2025

Core Viewpoint - Nexans has announced the execution of its share buyback program, detailing the purchase of its own shares from December 22, 2025, to December 24, 2025, as part of a previously published buyback program [1]. Summary by Relevant Sections Share Buyback Program - Nexans executed a total of 5,115 shares during the buyback period, with daily purchases as follows: - December 22, 2025: 1,705 shares at an average price of €124.36 [2] - December 23, 2025: 1,705 shares at an average price of €123.99 [2] - December 24, 2025: 1,705 shares at an average price of €124.49 [2] Trading Details - The trades were conducted through Kepler Cheuvreux, with various transactions recorded at different times and prices, including: - December 22, 2025: Prices ranged from €122.60 to €124.90 for multiple transactions [3][4] - The highest recorded price during the buyback was €126.10 on December 22, 2025 [3]. Compliance and Reporting - The share buyback activities were conducted in compliance with applicable laws and were reported in accordance with the company's obligations [1].