AMENDMENT TO THE TERMS AND CONDITIONS OF THE WARRANTS

Meudon (France), on December 1st, 2025, Vallourec announces that holders of warrants ("BSA") (ISIN code: FR00140030K7), held today a general meeting, under the chairmanship of Aether, representative of the warrant holders. With a quorum of 100 % of warrant holders present, represented, or having voted by correspondence, the BSA holders have approved unanimously the amendment to the terms and conditions of the BSA, provided in the 1st resolution, in order to allow the delivery of newly-issued and/or existing shares upon their exercise, at Vallourec's option.

This amendment to the terms and conditions will also be subject to the approval of the annual general meeting of Vallourec's shareholders scheduled for May 21, 2026.

In addition, certain holders1 of BSA have ...