Tenaris S.A.

Transaction in Own Shares • Aug 4, 2024

Informazione Regolamentata n. 0602-35-2024	Data/Ora Inizio Diffusione 4 Agosto 2024 19:51:23		Euronext Milan
Societa'	:	TENARIS
Identificativo Informazione Regolamentata	:	194330
Utenza - Referente	: TENARISN02 - Sardagna
Tipologia	:	2.4
Data/Ora Ricezione	:	4 Agosto 2024 19:51:23
Data/Ora Inizio Diffusione	:	4 Agosto 2024 19:51:23
Oggetto	:	Weekly Report (July 29, 2024 – August 2, 2024) on the Fourth 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 (July 29, 2024 – August 2, 2024) on the Fourth Tranche of Tenaris Share Buyback Program

Luxembourg, August 4, 2024. - Tenaris S.A. (NYSE and Mexico: TS and EXM Italy: TEN) ("Tenaris") announced today that pursuant to its Fourth Tranche of the Share Buyback Program announced on June 14, 2024, covering up to \$300 million to be executed in the open market, it has repurchased the following ordinary shares from July 29 to (and including) August 2, 2024:

Date	Trading Venue	Shares Purchased	Weighted Average Price (EUR)	Purchases in EUR	Reference FX	Purchases in USD
29-Jul-2024	MTAA	100,800	14.6109	1,472,779	1.0814	1,592,658
30-Jul-2024	MTAA	103,728	14.5679	1,511,099	1.0805	1,632,747
31-Jul-2024	MTAA	86,000	14.6997	1,264,174	1.0820	1,367,839
01-Aug-2024	CEUX	55,400	13.5307	749,601	1.0792	808,968
01-Aug-2024	MTAA	500,000	13.5418	6,770,900	1.0792	7,307,148
02-Aug-2024	CEUX	199,453	13.4013	2,672,929	1.0923	2,919,641
02-Aug-2024	MTAA	523,375	13.3932	7,009,666	1.0923	7,656,670
		1,568,756	13.6740	21,451,148		23,285,671

From July 29, 2024 to (and including) August 2, 2024, the Company has purchased a total of 1,568,756 ordinary shares for a total consideration of €21,451,148, equivalent to USD23,285,671.

As of August 2, 2024, the Company held in treasury 53,900,466 ordinary shares (including 16,367,003 ordinary shares bought in the second tranche, 18,080,524 ordinary shares bought in the third tranche and 19,452,939 ordinary shares bought in the fourth tranche), equal to 4.6% of the total issued share capital.

Tenaris intends to cancel treasury 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.0602-35-2024	Numero di Pagine: 4
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