LUXEMBOURG -- (MARKET WIRE) -- 06/01/11 -- Tenaris S.A. (NYSE: TS) (BAE: TS) (MXSE: TS) (MILAN: TEN) announced that its annual general shareholders meeting approved today all resolutions on its agenda.

Among other resolutions adopted at the meeting, the shareholders approved the consolidated financial statements for the years ended December 31, 2010, 2009 and 2008, the annual accounts as at December 31, 2010, and the related reports and certifications.

The meeting also approved the payment of a dividend for the year ended December 31, 2010, of US$0.34 per share (or US$0.68 per ADS), or approximately US$401 million, which includes the interim dividend of US$0.13 per share (or US$0.26 per ADS) paid in November 2010. Tenaris will pay the balance of the annual dividend in the amount of US$0.21 per share (US$0.42 per ADS), or approximately US$248 million, on June 23, 2011, with an ex-dividend date of June 20, 2011.

The annual general shareholders' meeting approved the re-election of the current members of the board of directors, each to hold office until the meeting that will be convened to decide on the 2011 accounts.

The board of directors subsequently confirmed and re-appointed Amadeo Vázquez y Vázquez, Jaime Serra Puche and Roberto Monti as members of Tenaris's audit committee, with Mr. Vázquez y Vázquez to continue as chairman. All three members of the audit committee qualify as independent directors under the articles and applicable law.

The meeting appointed PricewaterhouseCoopers S.àr.l., Réviseur d'entreprises agréé (member firm of PricewaterhouseCoopers) as Tenaris's independent auditors for the fiscal year ending December 31, 2011.

The extraordinary general meeting of shareholders also held today approved, among other amendments to the articles of association, to change the date of the annual general meetings of shareholders so that in the future they will be held on the first Wednesday of May of each year. Copies of the amended articles of association may be obtained by contacting the Company's registered office in Luxembourg.

A copy of the minutes of the ordinary and extraordinary meetings 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.

Giovanni Sardagna

Tenaris

1-888-300-5432

www.tenaris.com

Source: Tenaris S.A.

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