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 March 22, 2024

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 ✓ 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 Files 2023 Annual Report, 2023 Sustainability Report, and Convenes the Annual General Meeting of Shareholders and an Extraordinary General Meeting of Shareholders.

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: March 22, 2024

Tenaris, S.A.

By: /s/ Giovanni Sardagna

Giovanni Sardagna

Investor Relations Officer

Giovanni Sardagna

Tenaris

1-888-300-5432

www.tenaris.com

Tenaris Files 2023 Annual Report, 2023 Sustainability Report, and Convenes the Annual General Meeting of Shareholders and an Extraordinary General Meeting of Shareholders

Luxembourg, March 22, 2024 – Tenaris S.A. (NYSE and Mexico: TS and EXM Italy: TEN) filed today its 2023 Annual Report and its 2023 Sustainability Report with the Luxembourg Stock Exchange, with the U.S. Securities and Exchange Commission (SEC), and with the other securities regulators of the markets where its securities are listed. These reports (which contain the financial and non-financial information required by applicable Luxembourg law for the year ended December 31, 2023, including Tenaris’s consolidated financial statements as of and for the year ended December 31, 2023, Tenaris’s annual accounts as at December 31, 2023, and their related external auditors’ reports and consolidated management report and certifications) are available on the Luxembourg Stock Exchange’s website at www.bourse.lu/regulated-information-oam, the SEC’s website at www.sec.gov, and Tenaris’s website at ir.tenaris.com.

Holders of Tenaris’s shares and ADSs, and any other interested parties, may request a hard copy of any of these reports, free of charge, through our website at ir.tenaris.com/tools/printed-materials.

In addition, on March 25, 2024, Tenaris will convene its Annual General Meeting of Shareholders to be held on April 30, 2024, at 15:00 (Central European time), and an Extraordinary General Meeting of Shareholders to be held immediately after the adjournment of the Annual General Meeting of Shareholders. The convening notice (which includes the agendas for the meetings and the procedures for attending and/or voting at the meetings) will be published in such newspapers and filed with regulators, as required by applicable law, and will be available on the Luxembourg Stock Exchange’s website at www.bourse.lu/regulated-information-oam, the SEC’s website at www.sec.gov, and Tenaris’s website at ir.tenaris.com.

The following documents will also be available on Tenaris’s website at ir.tenaris.com as of the date of the convening notice:

Copies of these documents will also be available, free of charge, at Tenaris’s registered office in Luxembourg, between 10:00 and 17:00 (Central European time). In addition, shareholders registered in the Company’s share register may request electronic copies of such documents, free of charge, to investors@tenaris.com.

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