Tenaris to Commence a USD 600 million Second Tranche of its USD 1.2 Billion Share Buyback Program

Group 1 - Tenaris S.A. announced a USD 1.2 billion Share Buyback Program, with the second tranche covering up to USD 600 million starting on November 3, 2025, and ending by April 30, 2026 [1][2] - The buyback will be executed by a primary financial institution independently, adhering to applicable regulations, including the Market Abuse Regulation [2] - Shares purchased under the Program will be cancelled in due course, authorized by the shareholders' meeting held on May 6, 2025 [3] Group 2 - Tenaris is recognized as a leading global supplier of steel tubes and related services for the energy industry and other industrial applications [5]