Company: TNRSF
Filing Date: 2025-04-01
Form Type: IRANNOTICE
Source: 0001554855-25-000264
Chunk: 0

Company: TENARIS SA
Filing Date: 2025-04-01
Form: IRANNOTICE
Chunk 0
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| Tenaris S.A.                  
 26, Boulevard Royal 4th Floor 
 L-2449 LUXEMBOURG             
 R.C.S.                        
 Luxembourg B-85.203           |

April 1, 2025 U.S. Securities and Exchange Commission 100 F Street N.E. Washington, DC 20549

| Re: | Notice of disclosure filed in Annual Report on Form 20-F under Section 219 of the Iran Threat Reduction and Syria Human Rights Act of 2012 and Section 13(r) of the Securities Exchange Act of 1934, as amended |

Ladies and Gentlemen: Pursuant to Section 219 of the Iran Threat Reduction and Syria Human Rights Act of 2012 and Section 13(r) of the Securities Exchange Act of 1934, as amended, notice is hereby provided that Tenaris S.A. has made disclosures pursuant to such provisions in its Annual Report on Form 20-F for the fiscal year ended December 31, 2024, which was filed with the U.S. Securities and Exchange Commission on April 1, 2025. Respectfully submitted,

| TENARIS S.A. |                                   |
|              | /s/ Alicia Móndolo                |
| By           |                                   |
|              | Name:  Alicia Móndolo             |
|              | Title:    Chief Financial Officer |