The Financial and Operational Information Contained in This Press Release Is Based on Unaudited Consolidated Condensed Interim Financial Statements Presented in U.S. Dollars and Prepared in Accordance With International Financial Reporting Standards as Issued by the International Accounting Standard Board and Adopted by the European Union, or IFRS

LUXEMBOURG --(Marketwired - March 31, 2016 ) - Tenaris S.A. ( NYSE : SE) (BAE: TS) (BMV: TS) (MILAN: TEN) announces that it has filed today its annual report for the year ended December 31, 2015 , with the Luxembourg Stock Exchange and has submitted such report to the other securities regulators of

The Financial and Operational Information Contained in this Press Release Is Based on Audited Consolidated Financial Statements Presented in U.S. Dollars and Prepared in Accordance With International Financial Reporting Standards as Issued by the International Accounting Standard Board and Adopted by the European Union, or IFRS

LUXEMBOURG -- (Marketwired) -- 02/01/16 -- Tenaris S.A. ( NYSE : TS) (BAE: TS) (BMV: TS) (MILAN: TEN) updates the market on recent developments concerning two previously reported proceedings: (i) the tax assessments against Tenaris's Italian subsidiary Dalmine relating to allegedly omitted

The Financial Information Contained in This Press Release Is Based on Unaudited Consolidated Condensed Interim Financial Statements Presented in U.S. Dollars ($) and Prepared in Accordance With International Financial Reporting Standards as Issued by the International Accounting Standard Board and Adopted by the European Union, or IFRS.

The Financial and Operational Information Contained in This Press Release Is Based on Unaudited Consolidated Financial Statements Presented in U.S. Dollars and Prepared in Accordance With International Financial Reporting Standards as Issued by the International Accounting Standard Board and Adopted by the European Union, or IFRS

LUXEMBOURG -- ( Marketwired ) -- 06/01/15 -- Tenaris S.A. (NYSE: TS) (BAE: TS) (BMV: TS) (MILAN: TEN) announces that, following the previously announced restatement of its quarterly consolidated financial statements as of September 30, 2014 , its annual consolidated financial statements as of

LUXEMBOURG -- ( Marketwired ) -- 05/18/15 -- Tenaris S.A. Tenaris S.A. (NYSE: TS) (BAE: TS) (BMV: TS) (MILAN: TEN) (the " Company ") has revised its value in use calculation for its investment in Usinas Siderúrgicas de Minas Gerais S.A. - Usiminas (" Usiminas ") and will restate its financial

LUXEMBOURG -- ( Marketwired ) -- 05/06/15 -- Tenaris S.A. (NYSE: TS) (BAE: TS) (BMV: TS) (MILAN: TEN) announced that its annual general meeting of shareholders and the extraordinary general meeting of shareholders approved today all resolutions on each meeting's agenda.