Tenaris S.A.

Transaction in Own Shares • Nov 22, 2024

Informazione Regolamentata n. 0602-40-2024	Data/Ora Inizio Diffusione 22 Novembre 2024 19:11:28		Euronext Milan
Societa'	:	TENARIS
Identificativo Informazione Regolamentata	:	198600
Utenza - Referente	:	TENARISN02 - Sardagna
Tipologia	:	2.3
Data/Ora Ricezione	:	22 Novembre 2024 19:11:28
Data/Ora Inizio Diffusione	:	22 Novembre 2024 19:11:28
Oggetto	:	Repurchased own ordinary shares reached 5% of Tenaris's voting rights
Testo del comunicato

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Giovanni Sardagna Tenaris 1-888-300-5432 www.tenaris.com

Repurchased own ordinary shares reached 5% of Tenaris's voting rights

Luxembourg, November 22, 2024. - Pursuant to applicable Luxembourg Transparency Law requirements, Tenaris S.A. (NYSE and Mexico: TS and EXM Italy: TEN) announces that on November 20, 2024, the proportion of own ordinary shares acquired under the share buyback programs and currently held in treasury has reached a threshold of 5.01% of Tenaris's voting rights. Ordinary shares repurchased under the programs are being held in treasury (their voting rights are suspended) and will be cancelled in due course. Reporting of share buyback transactions in accordance with Market Abuse Regulation is available at: https://ir.tenaris.com/share-buyback-program.

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.