Shareholders Approve All Resolutions on the Agenda of Tenaris's Annual General Meeting

LUXEMBOURG--(Marketwire - June 03, 2009) - Tenaris S.A. (NYSE: TS) (BAE: TS) (MXSE: TS) (MILAN: TEN), in its annual general shareholders' meeting today, approved all resolutions on its agenda. Among other resolutions adopted at the meeting, the shareholders approved the consolidated financial statements and the report and accounts of the Company for the year ended December 31, 2008, as well as the payment of an annual dividend of US$0.43 per share (US$0.86 per ADS), or approximately US$507 million. The amount approved includes the interim dividend previously paid in November 2008, in the amount of US$0.13 per share (US$0.26 per ADS). Tenaris will pay the balance of the annual dividend amounting to US$0.30 per share (US$0.60 per ADS), or approximately US$354 million, on June 25, 2009 with an ex-dividend date of June 22, 2009. The general shareholders' meeting approved the re-election of the current members of the board of directors until the next annual shareholders' meeting, which will be held in June 2010. The board of directors subsequently confirmed Amadeo Vázquez y Vázquez, Jaime Serra Puche and Roberto Monti as members of the Company's audit committee, with Mr. Vázquez y Vázquez to continue as chairman. All three members of the audit committee are independent directors. The company re-appointed PricewaterhouseCoopers as its independent auditors for the 2009 fiscal year. A summary of the resolutions adopted at the meeting can be downloaded from Tenaris's website at www.tenaris.com/investors. Tenaris is a leading global supplier of steel tubes and related services for the world's energy industry and certain other industrial applications. Contact: Giovanni Sardagna Tenaris 1-888-300-5432 www.tenaris.com This announcement was originally distributed by Hugin. The issuer is solely responsible for the content of this announcement.