DISCLOSURE OF TRADING IN OWN SHARES FROM 02/09/2026 TO 02/13/2026

DISCLOSURE OF TRADING IN OWN SHARES

FROM 02/09/2026 TO 02/13/2026

Meudon (France), on February 16^th, 2026

Share buyback program (ISIN Code : FR0013506730) implemented in accordance with the authorization given by the Shareholders' General Meeting of Vallourec SA (LEI : 969500P2Q1B47H4MCJ34) on May 22, 2025 (ninth resolution).

Day of the transaction	Total daily volume (number of shares)	Daily weighted average purchase price of the shares (€)	Market Code
02/09/2026	60 000	18,6937	XPAR
02/09/2026	20 000	18,7071	CEUX
02/09/2026	5 000	18,7132	TQEX
02/09/2026	5 000	18,7097	AQEU
02/10/2026	20 000	18,5960	CEUX
02/10/2026	60 000	18,6058	XPAR
02/10/2026	5 000	18,5957	TQEX
02/10/2026	5 000	18,6007	AQEU
02/11/2026	12 948	18,6924	CEUX
02/11/2026	39 759	18,6941	XPAR
02/11/2026	2 223	18,6868	TQEX
02/11/2026	2 203	18,7002	AQEU
02/12/2026	25 000	18,6412	CEUX
02/12/2026	2 500	18,7480	AQEU
02/12/2026	2 500	18,7480	TQEX
02/12/2026	85 000	18,6987	XPAR
02/13/2026	30 171	18,1970	CEUX
02/13/2026	108 161	18,2124	XPAR
02/13/2026	2 500	18,2622	TQEX
02/13/2026	2 500	18,2716	AQEU
	495 465	18,5372

About Vallourec

Vallourec is a world leader in premium tubular solutions for the energy markets and for demanding industrial applications such as oil & gas wells in harsh environments, new generation power plants, challenging architectural projects, and high-performance mechanical equipment. Vallourec’s pioneering spirit and cutting edge R&D open new technological frontiers. With close to 13,000 dedicated and passionate employees in more than 20 countries, Vallourec works hand-in-hand with its customers to offer more than just tubes: Vallourec delivers innovative, safe, competitive and smart tubular solutions, to make every project possible.

Listed on Euronext in Paris (ISIN code: FR0013506730, Ticker VK), Vallourec is part of the CAC Mid 60, SBF 120 and Next 150 indices and is eligible for Deferred Settlement Service.

In the United States, Vallourec has established a sponsored Level 1 American Depositary Receipt (ADR) program (ISIN code: US92023R4074, Ticker: VLOWY). Parity between ADR and a Vallourec ordinary share has been set at 5:1.

        

For further information, please contact:

Investor relations Connor Lynagh Tel: [phone] [e-mail]	Press relations Taddeo - Romain Grière Tel: [phone]  [e-mail]
Individual shareholders Toll Free Number (from France): 0 805 65 10 10 [e-mail]	Nicolas Escoulan Tel: [phone] [e-mail]

Attachment

• Vallourec_Share_Buyback_Reporting_2026_February_9_13