Tenaris announces $306 million CAD investment to strengthen its Sault Ste. Marie industrial centre, backed by federal and provincial governments

Tenaris, Canada's largest OCTG manufacturer, announced a $306 million CAD investment in its Sault Ste. Marie facility with support from federal and Ontario governments. The expansion will upgrade production equipment, extend product range, add a threading line, and is expected to create up to 200 direct and indirect jobs while strengthening Canada's domestic energy supply chain.

05/22/2026, 2:25 PM • GlobeNewswire

Tenaris to Acquire Artrom Steel Tubes S.A. seamless pipe manufacturing plant in Romania

Tenaris announced a definitive agreement to acquire 100% of Artrom Steel Tubes S.A. from GLGH Steel, LLC for EUR 86 million on a cash-free, debt-free basis. The Romanian seamless pipe manufacturer operates facilities in Reșița and Slatina with combined annual capacity of approximately 450,000 metric tons for steelmaking and 200,000 metric tons for seamless pipe rolling. The acquisition is expected to close in Q4 2026, subject to EU competition clearance and Romanian government approvals, and will expand Tenaris's industrial pipe product range and European manufacturing footprint.

05/08/2026, 6:19 PM • Benzinga

Tenaris acuerda adquirir las operaciones de fabricación de tubos sin costura de Artrom Steel Tubes S.A. en Rumania

Tenaris S.A. has agreed to acquire 100% of Artrom Steel Tubes S.A. for EUR 86 million. The Romanian manufacturer produces steel and seamless steel tubes with annual capacity of approximately 450,000 metric tons of steel and 200,000 metric tons of seamless tube rolling. The acquisition is expected to close in Q4 2026, subject to regulatory approvals, and aims to expand Tenaris's industrial tube product offerings and capacity in the European industrial market.

05/08/2026, 6:19 PM • GlobeNewswire

Tenaris to Acquire Artrom Steel Tubes S.A. seamless pipe manufacturing plant in Romania

Tenaris S.A. has entered into a definitive agreement to acquire 100% of Artrom Steel Tubes S.A., a Romanian steel pipe manufacturer, for EUR 86 million on a cash-free, debt-free basis. The acquisition is expected to close in Q4 2026, subject to EU and Romanian regulatory approvals. The deal aims to expand Tenaris's industrial pipe product range and strengthen its European market presence.

05/08/2026, 6:19 PM • GlobeNewswire

Tenaris Convenes the Annual General Meeting of Shareholders and an Extraordinary General Meeting of Shareholders

Tenaris S.A. announced the convening of its Annual General Meeting of Shareholders and an Extraordinary General Meeting of Shareholders scheduled for May 12, 2026. The company has published convening notices, agendas, and supporting documents including the 2025 Annual Report, Compensation Report, and proposed amendments to articles of association on its website and regulatory filings.

04/10/2026, 5:07 PM • GlobeNewswire

Tenaris Convoca a la Asamblea General Anual de Accionistas y a una Asamblea General Extraordinaria de Accionistas

Tenaris S.A. announced the convocation of its Annual General Meeting of Shareholders scheduled for May 12, 2026, at 10:00 CET, followed immediately by an Extraordinary General Meeting. The company has published notices and made available annual reports, financial statements, remuneration reports, and proposed statutory amendments on its investor relations website and the Luxembourg Stock Exchange.

04/10/2026, 5:07 PM • GlobeNewswire

Tenaris Files its 2025 Annual Report and its Annual Report on Form 20-F

Tenaris S.A. filed its 2025 Annual Report with the Luxembourg Stock Exchange and SEC on March 30, 2026, including consolidated financial statements and sustainability information. The company also announced termination of the second tranche of its USD 1.2 billion share buyback program, effective March 3, 2026.

03/30/2026, 8:35 PM • GlobeNewswire

Tenaris Presenta su Informe Anual 2025 y su Formulario 20-F

Tenaris S.A. filed its 2025 annual report with the Luxembourg Stock Exchange and SEC on March 30, 2026, including consolidated financial statements and sustainability information. The company also announced the termination of the second tranche of its USD 1.2 billion share buyback program, effective March 3, 2026.

03/30/2026, 8:35 PM • GlobeNewswire

Operaciones con Valores realizadas por Personas que Desempeñan Responsabilidades de Dirección bajo Reglamento (UE) N° 596/2014 sobre abuso de mercado

Tenaris S.A. announced the receipt of a notification regarding a securities transaction by a person holding management responsibilities, in compliance with EU Regulation 596/2014 on market abuse. The transaction details have been filed with Luxembourg's financial supervisory authority and are publicly available on the company's website.

03/05/2026, 7:16 PM • GlobeNewswire

Securities Transactions by Persons Discharging Managerial Responsibilities under Regulation (EU) No 596/2014 on market abuse

Tenaris S.A. announced the receipt of a securities transaction notification from a person discharging managerial responsibilities in compliance with EU market abuse regulations. The notification has been filed with Luxembourg financial authorities and is publicly accessible. Additionally, Tenaris terminated the second tranche of its USD 1.2 billion share buyback program effective March 3, 2026.

03/05/2026, 7:16 PM • GlobeNewswire

Tenaris Terminates Second Tranche of its USD 1.2 Billion Share Buyback Program

Tenaris announced on February 23, 2026, that it is terminating its USD 600 million second tranche share buyback program effective March 3, 2026. The company had repurchased 29,295,219 shares for approximately USD 583.6 million since November 2025, substantially completing its target. The early termination was decided to avoid significant incremental payouts to its counterparty due to high market volatility and the mechanics of the existing buyback agreement.

02/23/2026, 4:56 PM • GlobeNewswire

Tenaris Termina el Segundo Tramo de su Programa de Recompra de Acciones por USD 1,200 millones

Tenaris S.A. announced the early termination of its second $600 million share buyback tranche effective March 3, 2026, after repurchasing 29.3 million shares for approximately $583.6 million. The company cited high market volatility and the risk of significant incremental payments to its counterparty under the repurchase agreement as reasons for the early exit.

02/23/2026, 4:56 PM • GlobeNewswire

Repurchased own ordinary shares reached 5% of Tenaris’s voting rights; Tenaris’s controlling shareholder files amendment to Schedule 13D

Tenaris announced that its own share repurchases have reached 5.07% of voting rights. Its controlling shareholders, San Faustin S.A. and Techint Holdings S.à r.l., filed an SEC amendment detailing the sale of Tenaris shares through a non-discretionary accelerated share disposal program.

12/17/2025, 5:30 PM • GlobeNewswire

Las acciones ordinarias propias recompradas alcanzaron el 5% de los derechos de voto de Tenaris; el accionista controlante de Tenaris presenta una enmienda a su Schedule 13D.

Tenaris announced its share buyback program has reached 5.07% of voting rights, and its controlling shareholders San Faustin S.A. and Techint Holdings S.à r.l. have initiated a phased stock sale process through a non-discretionary accelerated share disposal program.

12/17/2025, 5:30 PM • GlobeNewswire

Tenaris Inicia Segundo Tramo por USD 600 millones de su Programa de Recompra de Acciones por USD 1,200 millones

Tenaris announced the second tranche of its $1.2 billion share buyback program, executing a non-discretionary repurchase agreement with a financial institution for up to $600 million, starting November 3, 2025 and ending April 30, 2026.

11/02/2025, 12:40 PM • GlobeNewswire