FORM 6 - K


                       SECURITIES AND EXCHANGE COMMISSION
                             Washington, D.C. 20549


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


                               As of May 26, 2005



                                  TENARIS, S.A.
                 (Translation of Registrant's name into English)


                                  TENARIS, S.A.
                           46a, Avenue John F. Kennedy
                                L-1855 Luxembourg
                    (Address of principal executive offices)


        Indicate by check mark whether the registrant files or will file
                 annual reports under cover Form 20-F or 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): 82 - |_|.



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 Summary of the resolutions adopted
in the annual general meeting of shareholders of Tenaris S.A. (the "Company")
held on May 25, 2005.


                Summary of the resolutions adopted in the Annual
                   General Meeting of shareholders of Tenaris
                    S.A. (the "Company") held on May 25, 2005
                     at 46a, avenue John F. Kennedy L-1855,
                              Luxembourg at 11:00.
                              --------------------

(1)     Consideration  of  the  Board of  Directors' and  independent  auditor's
reports on the  consolidated  financial  statements.  Approval of the  Company's
consolidated financial statements as of, and for the fiscal year ended, December
31, 2004.

The meeting resolved to approve the Company's  consolidated financial statements
as of, and for the fiscal  year ended  December  31,  2004 and the report of the
Board of Directors and of the independent auditor on such financial statements


(2)     Consideration  of the  Board of  Directors' and  independent  auditor's 
reports  on the  unconsolidated  annual  accounts.  Approval  of  the  Company's
unconsolidated  annual  accounts as of, and for the fiscal year ended,  December
31, 2004.

The meeting resolved to approve the Company's annual accounts as of, and for the
fiscal year ended December 31, 2004 and the report of the Board of Directors and
of the independent auditor on such financial statements


(3)     Allocation of results and approval of dividend payment.

The meeting  considered and approved the proposal made by the Board of Directors
to   distribute   on  June  13,   2005  a  dividend  to  all   shareholders   of
US$199,510,724.27  (equivalent  to  US$0.169  per  share  currently  issued  and
outstanding  and  US$1.69  per ADR  currently  issued  and  outstanding),  which
US$36,446,396.27 shall be paid from profits of the year ended December 31, 2004,
US$162,982,327.00  shall be paid from retained earnings and  US$82,001.00,  from
the Company's other  distributable  reserve  account.  The balance of the fiscal
year's profits of US$337,030,371.73  will be allocated to the Company's retained
earnings  account.  The  meeting  further  approved  to  authorize  the Board of
Directors to  determine,  in its  discretion,  the terms and  conditions  of the
dividend  payment   including  the  applicable  record  date  and,  if  material
circumstances appear and dictate so, to change the payment date.


(4)     Discharge to the members of the Board of Directors.

The meeting  resolved to discharge  from liability all of those who were members
of the board of  directors  during  2004,  for the  performance  of their duties
during the year ended December 31, 2004.

1.       Mr. Lucio Bastianini

2.       Mr. Roberto Bonatti

3.       Mr. Carlos Manuel Franck

4.       Mr. Bruno Marchettini

5.       Mr. Gianfelice Rocca





6.       Mr. Paolo Rocca

7.       Mr. Jaime Serra Puche

8.       Mr. Amadeo Vazquez

9.       Mr. Guillermo F. Vogel

(5)     Election of the Board of Directors' members.

The  meeting  resolved  to  re-appoint  the  following  persons  to the Board of
Directors  of the Company  until the next annual  general  meeting  that will be
convened to decide on the 2005 accounts.

1. Mr. Roberto Bonatti

2. Mr. Carlos Manuel Franck.

3. Mr. Bruno Marchettini.

4. Mr. Roberto Monti.

5. Mr. Gianfelice Rocca.

6. Mr. Paolo Rocca 

7. Mr. Jaime Serra Puche 

8. Mr. Amadeo Vazquez 

9. Mr. Guillermo F. Vogel


(6)     Authorization  to  the Board of Directors  to  delegate  the  day-to-day
management of the Company's business to one or more of its members.

For the proper  management of the  Company's  affairs,  the meeting  resolved to
authorise  the Board of  Directors  to  delegate  day to day  management  of the
Company's affairs to Mr. Paolo Rocca.

(7)      Board of Directors' compensation.

The meeting  resolved to approve the  compensation of each of the members of the
Board of  Directors  for the fiscal year ending  December 31, 2005 in the sum of
US$50,000  and approved an  additional  fee of US$60,000 for the Chairman of the
Audit  Committee and  US$50,000 for the other  Directors who are members of such
Committee.

An additional  amount of US$ 1,200,000  payable in monthly  instalments,  plus a
performance  bonus that the Board of  Directors  will  determine in the order of
US$600,000  for the  Chairman  and Chief  Executive  Officer for the fiscal year
ending December 31, 2005 has been previously decided by the Board of Directors.

(8)     Appointment of independent auditors and approval of their fees.

The meeting  was advised  that the Audit  Committee  and the Board of  Directors
proposed  the  appointment  of Price  Waterhouse  & Co.  S.R.L.,  member firm of
PricewaterhouseCoopers,  as the  independent  auditors  for fiscal  year  ending
December 31, 2005 to be engaged until the next annual general  meeting that will





be  convened  to decide on the 2005  accounts.  The  meeting  was also  asked to
approve the sum of  US$3,244,531  for audit  services to be rendered  during the
fiscal year ending  December  31,  2005.  Both  proposals  were  approved by the
meeting. The meeting also resolved to authorise the Board of Directors to modify
such compensation  whenever it would conclude that  circumstances  would merit a
change







                                    SIGNATURE


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.


Date: May 26, 2005



                                  Tenaris, S.A.


By:/s/ Cecilia Bilesio
   -----------------------
Cecilia Bilesio
Corporate Secretary