VALLOUREC

Vallourec: Adjustment of the Exercise Ratio of the Warrants

Press release

ADJUSTMENT OF THE EXERCISE RATIO OF THE WARRANTS

Meudon (France), May 26, 2025 – Vallourec informs the holders of warrants (“BSA”) (ISIN Code: FR00140030K7) that the exercise ratio (Parité d’Exercice)¹ of the BSA will be adjusted from 1 ordinary share to 1.098 ordinary share per BSA as from the ex-dividend date, May 26^th 2025, with respect to the fiscal year 2024. On that basis, the number of Vallourec shares resulting from the potential exercise of all the BSA would be equal to 33,315,886 shares.²

This adjustment, pursuant to the provisions of section 4.2.8.4. of the note d’opération (AMF visa n°21-093 of March 31, 2021), results from the dividend detached by Vallourec in respect of the fiscal year 2024.

About Vallourec

Vallourec is a world leader in premium seamless 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: +1 (713) 409-7842
connor.lynagh@vallourec.com

Individual shareholders:

Toll Free number (From France): 0 805 65 10 10

actionnaires@vallourec.com

Press relations: Taddeo
Romain Grière
Tel: +33 (0)7 86 53 17 29
romain.griere@taddeo.fr

Nicolas Escoulan
Tel: +33 (0)6 42 19 14 74
nicolas.escoulan@taddeo.fr

1 As defined under the note d’opération referred to hereafter.
2 Corresponding to 30,342,337 Vallourec shares before adjustment of the exercise ratio of the BSA.

Attachment

• Vallourec_Press Release_Information to the warrantholder - dividend distribution