Tenaris S.A.

Transaction in Own Shares • Mar 9, 2024

Informazione Regolamentata n. 0602-7-2024	Data/Ora Inizio Diffusione 9 Marzo 2024 00:35:11		Euronext Milan
Societa'	:	TENARIS
Identificativo Informazione Regolamentata	:	187142
Utenza - Referente	:	TENARISN02 - Sardagna
Tipologia	:	2.4
Data/Ora Ricezione	:	9 Marzo 2024 00:35:11
Data/Ora Inizio Diffusione	:	9 Marzo 2024 00:35:11
Oggetto	:	Weekly Report (March 4, 2024 - March 8, 2024) on the Second Tranche of Tenaris Share Buyback Program
Testo del comunicato

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

Weekly Report (March 4, 2024 - March 8, 2024) on the Second Tranche of Tenaris Share Buyback Program

Luxembourg, March 8, 2024. - Tenaris S.A. (NYSE and Mexico: TS and EXM Italy: TEN) ("Tenaris") announced today that pursuant to its Second Tranche of the Share Buyback Program announced on February 25, 2024, covering up to \$300 million to be executed in the open market, it has repurchased the following ordinary shares from March 4 to (and including) March 8, 2024:

Date	Trading Venue	Shares Purchased	Weighted Average Price (EUR)	Purchases in EUR	Reference FX	Purchases in USD
04-mar-24	MTAA	783,800	16.4000	12,854,320	1.0863	13,963,648
04-mar-24	CEUX	316,000	16.3996	5,182,274	1.0863	5,629,504
04-mar-24	TQEX	43,000	16.4025	705,308	1.0863	766,176
05-mar-24	MTAA	813,000	16.8639	13,710,351	1.0871	14,904,522
05-mar-24	CEUX	316,000	16.8870	5,336,292	1.0871	5,801,083
05-mar-24	TQEX	45,000	16.8722	759,249	1.0871	825,380
06-mar-24	MTAA	851,000	17.1814	14,621,371	1.0907	15,947,530
06-mar-24	CEUX	329,000	17.1772	5,651,299	1.0907	6,163,872
06-mar-24	TQEX	48,555	17.1807	834,209	1.0907	909,872
07-mar-24	MTAA	882,000	17.2900	15,249,780	1.0928	16,664,960
07-mar-24	CEUX	342,000	17.2926	5,914,069	1.0928	6,462,895
07-mar-24	TQEX	51,000	17.2850	881,535	1.0928	963,341
08-mar-24	MTAA	908,000	17.3374	15,742,359	1.0960	17,253,626
08-mar-24	CEUX	351,837	17.3380	6,100,150	1.0960	6,685,764
08-mar-24	TQEX	52,752	17.3414	914,794	1.0960	1,002,614
		6,132,944	17.0322	104,457,359		113,944,785

From March 4, 2024 to (and including) March 8, 2024, the Company has purchased a total of 6,132,944 ordinary shares for a total consideration of €104,457,359, equivalent to USD113,944,785.

As of March 8, 2024, the Company held in treasury 28,877,456 ordinary shares (including 17,779,302 ordinary shares bought in the first tranche), equal to 2.45% of the total issued share capital.

Tenaris intends to cancel all shares purchased under the Program in due course.

Details of the above transactions, are available on Tenaris's corporate website under the Share Buyback Program Section 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.

Fine Comunicato n.0602-7-2024	Numero di Pagine: 4