Company: TNRSF
Filing Date: 2025-04-07
Form Type: 6-K
Source: 0001171843-25-002038
Chunk: 11

Company: TENARIS SA
Filing Date: 2025-04-07
Form: 6-K
Chunk 11
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 If you are a holder of ADRs, please
see the letter from Deutsche Bank Trust Company Americas, the depositary bank, or contact your broker/custodian, for instructions on how
to exercise the voting rights in respect of the shares underlying your ADRs.

| 1 |

Please note the requirements you must satisfy to attend
and/or vote your shares or ADRs at one or both the Meetings.

Yours sincerely,

Paolo Rocca

Chairman and Chief Executive Officer

4 April 2025

| 2 |

April 04, 2025

Tenaris SA

Please be advised of the following Final Depositary's Notice of Annual & Extraordinary General Meetings of Shareholders:

Depositary Receipt Information

| CUSIP: |     | 88031M109 |     | -DTC Eligible |     | ADS ISIN: |     | US88031M1099 |

| Country of Incorporation: |     | Luxembourg |

| Distribution Date: 
 ADS Record Date    |     | March 28, 2025                                                                                                       
 April 22, 2025                                                                                                       |
|:-------------------|:----|:---------------------------------------------------------------------------------------------------------------------|
| Voting Deadline:   |     | April 29, 2025 at 1:00 PM EST (Eastern Standard Time)                                                                |
| Meeting Date:      |     | May 06, 2025 starting at 10:00 AM (Central European Time)                                                            |
| Meeting Agenda     |     | The Company's Notice of Meeting, including the Agenda, is available at the Company’s website: http://www.tenaris.com |
| Ratio (ORD:ADS):   |     | 2 : 1                                                                                                                |

Deutsche Bank Trust Company Americas, as depositary (the
"Depositary") for the American Depositary Share ("ADS") program of Tenaris S.A. (the "Company") has
received notice from the Company of an Annual General Meeting of Shareholders and of an Extraordinary General Meeting of
Shareholders (the "Meetings") currently scheduled on the date set forth above. A copy of the notice of the Meetings is
available on the Company's website at ir.tenaris.com/corporate-governance/annual-general-meeting.

In accordance with the provisions of the Amended and Restated Deposit Agreement,
dated as of March 13, 2013, among the Company, the Depositary, and all registered owners ("Owners") and holders