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]

Group 1 - Tenaris S.A. has completed the first tranche of its USD1.2 billion Share Buyback Program, amounting to USD600 million [1][2] - During this tranche, Tenaris purchased 33,059,955 ordinary shares, which is 3.08% of its total issued share capital, for approximately €516,588,880 [2] - The shares acquired in this tranche will be held in treasury and Tenaris plans to cancel all treasury shares purchased under the Program in the future [2] 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]

Core Points - Tenaris S.A. announced that its controlling shareholders, San Faustin S.A. and Techint Holdings S.à r.l., filed an amendment to their Schedule 13D with the SEC regarding their ownership stake in Tenaris [1] - The board of directors of San Faustin authorized Techint Holdings to sell a portion of its ordinary shares in Tenaris, ensuring that their ownership does not fall below 67% of the total outstanding shares [1] - The timing, amount, and manner of any potential sales will depend on market conditions, and there is no guarantee that any sales will occur [1] - The Reporting Persons do not currently plan to reduce their ownership below 67% but may buy or sell additional shares depending on market conditions [1] Company Overview - Tenaris is a leading global supplier of steel tubes and related services for the energy industry and other industrial applications [3]

Core Points - Tenaris S.A. announced that its controlling shareholder, San Faustin S.A., has crossed a voting rights threshold due to the company's share buyback program [1] - San Faustin owns 713,605,187 shares, representing 66.82% of Tenaris's voting rights following share repurchases from June 9 to June 13, 2025 [2] - The control structure of Tenaris remains unchanged as confirmed by San Faustin [2] Company Overview - Tenaris is a leading global supplier of steel tubes and related services for the energy industry and other industrial applications [3]

Group 1 - Tenaris S.A. announced a share buyback program of up to $1.2 billion, representing approximately 74 million shares or 6.9% of its outstanding shares [1] - The buyback program is driven by significant cash flow generation and a strong balance sheet, with a maximum limit of 10% of the company's shares [2] - The program is expected to launch in June 2025 and will be executed through a primary financial institution [2] Group 2 - The buybacks may be paused or ceased at any time, subject to compliance with applicable laws and regulations [3] - Updates on the buyback program will be provided via press releases and on the Investors section of Tenaris's corporate website [3] - The buybacks will be conducted in compliance with the Market Abuse Regulation and other relevant regulations [3] Group 3 - Tenaris is a leading global supplier of steel tubes and related services for the energy industry and other industrial applications [5]