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 November 30^th, 2023

TENARIS, S.A.

(Translation of Registrant's name into English)

26, Boulevard Royal, 4th floor

L-2449 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 _Ö_ Form 40-F ___

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 Tenaris Completes Acquisition of Pipe Coating Business Unit of Mattr.

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: November 30^th, 2023

Tenaris, S.A.

By: /s/ Giovanni Sardagna

Giovanni Sardagna

Investor Relations Officer

 

Giovanni Sardagna

Tenaris

1-888-300-5432

www.tenaris.com

Tenaris Completes Acquisition of Pipe Coating Business Unit of Mattr

Luxembourg, November 30, 2023 – Tenaris S.A. (NYSE and Mexico: TS and EXM Italy: TEN) announced that it has completed today the acquisition from Mattr (MATR.TO) of Mattr’s pipe coating business unit for US$182.6 million (including estimated working capital and US$16.9 million in cash).

The business acquired includes nine plants located in Canada, Mexico, Norway, Indonesia, the UAE and the US, and several mobile concrete plants. The business also includes world-class R&D facilities in Canada and Norway and a wide IP/product portfolio.

Some of the statements contained in this press release are "forward-looking statements". Forward-looking statements are based on management's current views and assumptions and involve known and unknown risks that could cause actual results, performance or events to differ materially from those expressed or implied by those statements. These risks include but are not limited to risks arising from uncertainties as to future oil and gas prices and their impact on investment programs by oil and gas companies.

Tenaris is a leading global supplier of steel tubes and related services for the world’s energy industry and certain other industrial applications.