SOURCE: Tenaris S.A.

April 23, 2010 13:49 ET

Tenaris Files Annual Report 2009

LUXEMBOURG--(Marketwire - April 23, 2010) -  Tenaris S.A. (NYSE: TS) (BAE: TS) (MXSE: TS) (MILAN: TEN) announces that it has filed its annual report for the year ended December 31, 2009 with the Luxembourg Stock Exchange. The annual report can be downloaded from the Luxembourg Stock Exchange's website at www.bourse.lu and from Tenaris's website at www.tenaris.com/investors.

Holders of Tenaris's shares and ADSs, and any other interested parties, may request a hard copy of the annual report, free of charge, at 1-888-300-5432 (toll free from the United States) or 52-55-5282-9929 (from outside the United States).

Tenaris is a leading global supplier of steel tubes and related services for the world's energy industry and certain other industrial applications.

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