<p>Tenaris S.A. announced it will commence a second tranche of its USD 1.2 billion share buyback program, covering up to the remainder USD 600 million. The buyback will be executed by a primary financial institution independently, starting November 3, 2025, and ending no later than April 30, 2026. Ordinary shares purchased under the program will be cancelled in due course. The buyback is carried out under the authority granted by the general meeting of shareholders held on May 6, 2025. Disclaimer: This news brief was created by Public Technologies (PUBT) using generative artificial intelligence. While PUBT strives to provide accurate and timely information, this AI-generated content is for informational purposes only and should not be interpreted as financial, investment, or legal advice. Tenaris SA published the original content used to generate this news brief via GlobeNewswire (Ref. ID: GNW9566840-en) on November 02, 2025, and is solely responsible for the information contained therein. © Copyright 2025 - Public Technologies (PUBT)</p>

<p>Tenaris S.A. has announced a USD 600 million share buyback program as part of its total USD 1.2 billion initiative. This second tranche will be executed by a primary financial institution from November 3, 2025, to April 30, 2026. The shares bought back will be cancelled subsequently, following the authority granted by shareholders on May 6, 2025.</p>

Tenaris launches USD 600 million share buyback program