Company: TNRSF
Filing Date: 2025-04-07
Form Type: 6-K
Source: 0001171843-25-002038
Chunk: 16

Company: TENARIS SA
Filing Date: 2025-04-07
Form: 6-K
Chunk 16
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 as amended and
supplemented, on transparency obligations for issuers of securities (the “”), each shareholder of
the Company must notify the Company and the Luxembourg Commission de Surveillance du Secteur Financier (CSSF) on an ongoing basis
whenever the proportion of the Company’s voting rights held or controlled by such shareholder (or shareholders acting in concert)
reaches, exceeds or falls below any of the following thresholds: 5%, 10%, 15%, 20%, 25%, 33 1/3%, 50% and 66 2/3%. Any such notification
shall be made as indicated in the Company’s website at tenaris.com/en/sustainability/governance-and-ethics/ and in accordance with
CSSF regulations. Failure to make such notification will cause the suspension of the exercise of voting rights relating to the Shares
exceeding the proportion that should have been notified.

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Holders of Shares: procedures for attending and voting at one or both Meetings.

In accordance with the Luxembourg law of 24 May 2011, on the exercise of
certain rights of shareholders in general meetings of listed companies (as amended by the Luxemburg Law of 1 August 2019, which transposed
into domestic law the provisions of the EU Directive 2017/828 of the European Parliament and of the Council of 17 May 2017 regarding the
encouragement of long-term shareholder engagement in listed companies within the Member States of the European Union) (the “”), the right to attend, speak and vote at one or both Meetings is restricted to those shareholders who are holders
of Shares on 22 ndApril 2025 at 24:00 (midnight), Central European Time (the “Shareholders’ Record Time”).

Shareholders will only be entitled to attend and/or to vote (personally
or by proxy) at one or both Meetings in respect of those Shares which each shareholder duly evidences to hold at the Shareholders’
Record Time. Any changes to a shareholder’s holding of Shares after the Shareholders’ Record Time shall be disregarded for
purposes of determining the right of such shareholder to attend and/or to vote (personally or by proxy) at one or both Meetings.

If you are a holder of Shares on the Shareholders’ Record Time and
you wish to attend and/or vote (personally or by proxy) at one or both Meetings, you must complete and return to the Company:

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