PRESS RELEASE

from NEXANS (EPA:NEX)

Disclosure of trading in own shares from September 28, 2026 to October 2, 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 28 to October 2, 2026

Issuer : Nexans

Category : treasury shares

Pursuant to applicable law on share buybacks, Nexans declares the following purchases of its own shares from September 28, 2026 to October 2, 2026

Name of the issuerIdentity Code of the IssuerDay of the transactionIdentity Code of the financial instrumentTotal daily volume (in number of shares)Daily weighted average purchase price of the sharesMarket (MIC Code)
NEXANS96950015FU78G84UIV1428/09/2026FR00000444483 000133,8779XPAR
NEXANS96950015FU78G84UIV1429/09/2026FR00000444483 000134,0492XPAR
NEXANS96950015FU78G84UIV1430/09/2026FR00000444483 000133,8887XPAR
NEXANS96950015FU78G84UIV1401/10/2026FR00000444483 000132,6020XPAR
NEXANS96950015FU78G84UIV1402/10/2026FR00000444483 000136,1946XPAR
TOTAL15 000
Name of the issuerIdentity Code of the IssuerName of the BrokerIdentity Code of the BrokerDay and time of the transaction (Paris time)Identity Code of the financial instrumentQuantity boughtPrice per unitCurrencyIdentity Code of the MarketReference number of the transactionPurpose of the buyback
NEXANS96950015FU78G84UIV14NatixisKX1WK48MPD4Y2NCUIZ6328/09/2026 09:05:38FR0000044448131134,4000EURXPAR3hBA62t9SZyUFcvx8SqSKgAMAR Art.5 §2c)
NEXANS96950015FU78G84UIV14NatixisKX1WK48MPD4Y2NCUIZ6328/09/2026 09:16:08FR00000444481133,5000EURXPARsLiyp6khRK21fGfQpKT1AgAMAR Art.5 §2c)
NEXANS96950015FU78G84UIV14NatixisKX1WK48MPD4Y2NCUIZ6328/09/2026 09:21:28FR000004444879133,7000EURXPARDE_GprwIQGaIkwPn0yjT2wAMAR Art.5 §2c)
NEXANS96950015FU78G84UIV14NatixisKX1WK48MPD4Y2NCUIZ6328/09/2026 09:34:49FR000004444878133,8000EURXPAR9293LtJ5TaOvacWcLoy6LAAMAR Art.5 §2c)
NEXANS96950015FU78G84UIV14NatixisKX1WK48MPD4Y2NCUIZ6328/09/2026 09:38:05FR000004444865133,8000EURXPARo0GjEAXxRUqq8Xcw5aFYPwAMAR Art.5 §2c)
NEXANS96950015FU78G84UIV14NatixisKX1WK48MPD4Y2NCUIZ6328/09/2026 09:38:05FR000004444865133,8000EURXPARryMY8oiVTBmChuT2bL6y-gAMAR Art.5 §2c)
NEXANS96950015FU78G84UIV14NatixisKX1WK48MPD4Y2NCUIZ6328/09/2026 09:38:05FR000004444865133,8000EURXPARuK7Dpu46RB-zrS65wSO9LQAMAR Art.5 §2c)
NEXANS96950015FU78G84UIV14NatixisKX1WK48MPD4Y2NCUIZ6328/09/2026 09:59:31FR000004444873133,2000EURXPAROmpDfaLjTFCpCL1DboNS3wAMAR Art.5 §2c)
NEXANS96950015FU78G84UIV14NatixisKX1WK48MPD4Y2NCUIZ6328/09/2026 10:24:44FR0000044448143133,2000EURXPARCKJ-4zNXTxC7jCasTndKfgAMAR Art.5 §2c)
NEXANS96950015FU78G84UIV14NatixisKX1WK48MPD4Y2NCUIZ6328/09/2026 11:01:39FR00000444487133,5000EURXPAREY_PI__XTWCmpYWZ-3LnIwAMAR Art.5 §2c)
NEXANS96950015FU78G84UIV14NatixisKX1WK48MPD4Y2NCUIZ6328/09/2026 11:01:39FR000004444866133,5000EURXPARydxKEYjTQi-npBcl3GOnWQAMAR Art.5 §2c)

The trades have been executed within the framework of the description of the buyback program published on April 2nd, 2026, on the Company's website (www.nexans.com) by an investment firm pursuant to a mandate.

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