Form 6-K

SECURITIES AND EXCHANGE COMMISSION
WASHINGTON, DC 20549

FORM 6-K

REPORT OF FOREIGN PRIVATE ISSUER

Pursuant to Rule 13a-16 or 15d-16
of the Securities Exchange Act of 1934

FOR JANUARY 31, 2003

TENARIS S.A.
23 Avenue Monterey, L-2086
Luxembourg
(Registered Office)

Indicate by check mark whether the registrant files or will file annual reports under cover of Form 20-F or Form 40-F.

Form 20-F    X    Form 40-F

Indicate by check mark whether the registrant by furnishing the information contained in this Form is also thereby furnishing the information to the Commission pursuant to Rule 12g3-2(b) under the Securities Exchange Act of 1934.

    Yes          No X    

If "Yes" is marked, indicate below the file number assigned to the registrant in connection with Rule 12g3-2(b):

Not applicable.

The attached material is being furnished to the Securities and Exchange Commission pursuant to Rule 13a-16 and Form 6-K under the Securities Exchange Act of 1934, as amended.

This report contains Tenaris's press release announcing the appointment of its audit committee and principal corporate officers.

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized.

Tenaris S.A.

By: /s/ Carlos Condorelli
_______________________________

            Name: Carlos Condorelli
            Title: Chief Financial Officer

Dated: February 3, 2003

PRESS RELEASE

Exhibit 99.1


Tenaris Press Release


Tenaris Appoints Audit Committee and Principal Corporate Officers

Luxembourg, January 31, 2003 - Tenaris S.A. (TS: NYSE, Buenos Aires, Mexico and TEN: Italy), in the first meeting of its board of directors as a public company held in Milan on January 31, 2003, approved the appointment of the following authorities and corporate officers with immediate effect:

  Roberto Rocca as Chairman of the board of directors

  Paolo Rocca as President and Chief Executive Officer

  Carlos Condorelli as Chief Financial Officer, and

  Cecilia Bilesio as Corporate Secretary.

The board of directors also appointed, from among its members, Jaime Serra Puche, Amadeo Vazquez y Vazquez and Guillermo Vogel to be members of the Audit Committee in accordance with the Articles of Association.

Tenaris, a multinational organized in Luxembourg, is a leading manufacturer and supplier of steel pipe products and associated services to the oil and gas, energy and mechanical industries.

More information about Tenaris is available at www.tenaris.com. Information on or accessible through this website is not part of this press release.