NEW YORK, NY / ACCESSWIRE / January 11, 2019 / Pomerantz LLP announces that a class action lawsuit has been filed against, Tenaris S.A. (''Tenaris'' or the ''Company'') (TS) and certain of its officers. The class action, filed in United States District Court, Eastern District of New York, and indexed under 19-cv-00174, is on behalf of a class consisting of all persons and entities, other than Defendants and their affiliates, who purchased or otherwise, acquired Tenaris securities between May 1, 2014 through November 27, 2018, both dates inclusive (the ''Class Period''), seeking to recover damages caused by Defendants' violations of the federal securities laws and to pursue remedies under Sections 10(b) and 20(a) of the Securities Exchange Act of 1934 (the ''Exchange Act'') and Rule 10b-5 promulgated thereunder, against the Company and certain of its top officials.

If you are a shareholder who purchased Tenaris securities between May 1, 2014, and November 27, 2018, both dates inclusive, you have until February 11, 2019, to ask the Court to appoint you as Lead Plaintiff for the class. A copy of the Complaint can be obtained at www.pomerantzlaw.com. To discuss this action, contact Robert S. Willoughby at rswilloughby@pomlaw.com or 888.476.6529 (or 888.4-POMLAW), toll-free, Ext. 9980. Those who inquire by e-mail are encouraged to include their mailing address, telephone number, and the number of shares purchased.

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Tenaris, a holding of Techint Holdings S.à r.l., was founded in 2001. Tenaris is headquartered in Luxembourg City, Luxembourg, and produces and sells seamless and welded steel tubular products and related services for the oil and gas industry, as well as for other industrial applications.

Paolo Rocca (''Rocca'') is Tenaris' Chief Executive Officer (''CEO'') and Chairman of the Board (''Chairman). Rocca has also been the Chairman of Ternium S.A. (''Ternium'') since 2005.

Ternium is also based in Luxembourg City, Luxembourg, and was formed in 2005 through the consolidation of Siderar of Argentina, Sidor of Venezuela, and Hylsa of Mexico. Ternium, through its subsidiaries, manufactures and processes various steel products in the United States and throughout Latin America. Ternium is Latin America's leading flat steel producer with an annual crude steel production capacity of 12.4 million tons.

Rocca and Tenaris have a significant investment in Ternium, holding 11.46% of Ternium's share capital (including treasury shares) as of December 31, 2017.

Siderúrgica de Orinoco C.A. (''Sidor''), of which Ternium held a 59.7% stake, was nationalized by the Venezuelan government in 2008 when Venezuelan President Hugo Chávez signed a decree ordering the renationalization of Sidor.