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Disclosure of trading in own shares from September 7, 2026 to September 11, 2026

Head Office : 39, Esplanade du Général de Gaulle 92800 Puteaux La Défense, France Tel : + 33 (0) 1 59 23 65 00 – www.nexans.com a French Société Anonyme with a share capital of € 43,746,793 – R.C.S. Nanterre 393 525 852 – Id VAT FR 74 393 525 852 Disclosure of trading in own shares From September 7 to 11, 2026 Issuer : Nexans Category : treasury shares Pursuant to applicable law on share buybacks, Nexans declares the following purchases of its own shares from September 7, 2026 to September 11, 2