PRESS RELEASE

from NEXANS (EPA:NEX)

Disclosure of trading in own shares from August 17, 2026 to August 21, 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 August 17, 2026 to August 21, 2026

Issuer : Nexans

Category : treasury shares

Pursuant to applicable law on share buybacks, Nexans declares the following purchases of its own shares from August 17, 2026 to August 21, 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)
NEXANS96950015FU78G84UIV1417/08/2026FR00000444483 000141,3686XPAR
NEXANS96950015FU78G84UIV1418/08/2026FR00000444483 000138,7831XPAR
NEXANS96950015FU78G84UIV1419/08/2026FR00000444483 000138,0635XPAR
NEXANS96950015FU78G84UIV1420/08/2026FR00000444483 000137,8334XPAR
NEXANS96950015FU78G84UIV1421/08/2026FR00000444483 000141,8961XPAR
TOTAL15 000
Name of the issuerIdentity Code of the IssuerName of the BrokerIdentity Code of the BrokerDay/time of the transaction (Paris TimeIdentity Code of the financial instrumentPrice per unitCurrencyQuantity boughtIdentity Code of the MarketReference number of the transactionPurpose of the buyback
NEXANS96950015FU78G84UIV14NatixisKX1WK48MPD4Y2NCUIZ6317/08/2026 09:07:57FR0000044448141,4000EUR8XPAR1Gy1qwq6R8KzgggxM4vBIAAMAR Art.5 §2c)
NEXANS96950015FU78G84UIV14NatixisKX1WK48MPD4Y2NCUIZ6317/08/2026 09:09:23FR0000044448141,3000EUR214XPARe1ZdffL6Sg2FSzv9iYsOGwAMAR Art.5 §2c)
NEXANS96950015FU78G84UIV14NatixisKX1WK48MPD4Y2NCUIZ6317/08/2026 09:35:59FR0000044448142,0000EUR88XPAR7o3o8uvGThaXjI0Zbjdo5QAMAR Art.5 §2c)
NEXANS96950015FU78G84UIV14NatixisKX1WK48MPD4Y2NCUIZ6317/08/2026 09:46:52FR0000044448142,0000EUR87XPARajSu-mlvRAOmtAPwULlRlgAMAR Art.5 §2c)
NEXANS96950015FU78G84UIV14NatixisKX1WK48MPD4Y2NCUIZ6317/08/2026 10:00:51FR0000044448141,7000EUR102XPAR_Z3aQFG3RbmQbuixEUJqlgAMAR Art.5 §2c)
NEXANS96950015FU78G84UIV14NatixisKX1WK48MPD4Y2NCUIZ6317/08/2026 10:00:51FR0000044448141,7000EUR97XPAR_dv3NxivTIe0WdzS9fcOGAAMAR Art.5 §2c)
NEXANS96950015FU78G84UIV14NatixisKX1WK48MPD4Y2NCUIZ6317/08/2026 10:19:30FR0000044448141,1000EUR84XPARYPbrJVqWS0irAJ-tLFMFygAMAR Art.5 §2c)
NEXANS96950015FU78G84UIV14NatixisKX1WK48MPD4Y2NCUIZ6317/08/2026 10:20:07FR0000044448141,1000EUR59XPAR3427094946045MAR Art.5 §2c)
NEXANS96950015FU78G84UIV14NatixisKX1WK48MPD4Y2NCUIZ6317/08/2026 10:20:11FR0000044448141,1000EUR41XPAR3427095194045MAR Art.5 §2c)
NEXANS96950015FU78G84UIV14NatixisKX1WK48MPD4Y2NCUIZ6317/08/2026 10:20:26FR0000044448141,1000EUR20XPAR3427095452045MAR Art.5 §2c)
NEXANS96950015FU78G84UIV14NatixisKX1WK48MPD4Y2NCUIZ6317/08/2026 11:11:28FR0000044448141,4000EUR36XPARBU7vZLkUQ8Wkp1ndThKlbwAMAR Art.5 §2c)
NEXANS96950015FU78G84UIV14NatixisKX1WK48MPD4Y2NCUIZ6317/08/2026 11:11:28FR0000044448141,4000EUR62XPARks61cSjHRiKM0XeHIIf_twAMAR Art.5 §2c)
NEXANS96950015FU78G84UIV14NatixisKX1WK48MPD4Y2NCUIZ6317/08/2026 11:35:42FR0000044448141,4000EUR91XPARfn_e-DAuREiDkS-aV9xEQgAMAR Art.5 §2c)
NEXANS96950015FU78G84UIV14NatixisKX1WK48MPD4Y2NCUIZ6317/08/2026 11:56:37FR0000044448141,4000EUR164XPARJHLBmKnTRE6AKFjxIJHDxAAMAR Art.5 §2c)
NEXANS96950015FU78G84UIV14NatixisKX1WK48MPD4Y2NCUIZ6317/08/2026 11:56:37FR0000044448141,4000EUR52XPARLCVZsfkMQ0OXM3LmcwZNiwAMAR Art.5 §2c)
NEXANS96950015FU78G84UIV14NatixisKX1WK48MPD4Y2NCUIZ6317/08/2026 12:18:03FR0000044448142,0000EUR65XPARTRzKR300Qz2Dx410huPkvwAMAR Art.5 §2c)
NEXANS96950015FU78G84UIV14NatixisKX1WK48MPD4Y2NCUIZ6317/08/2026 12:18:03FR0000044448142,0000EUR24XPARn76ryTDVRfiarK-Cw50zbAAMAR Art.5 §2c)
NEXANS96950015FU78G84UIV14NatixisKX1WK48MPD4Y2NCUIZ6321/08/2026 17:24:31FR0000044448141,3000EUR105XPARg6WkYIRGTJaJd8TF3FIGnQAMAR 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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