Company: TNRSF
Filing Date: 2025-12-01
Form Type: 6-K
Source: 0001171843-25-007659
Chunk: 1

Company: TENARIS SA
Filing Date: 2025-12-01
Form: 6-K
Chunk 1
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NYSE and Mexico:
TS and EXM Italy: TEN) (“Tenaris”) announced today that pursuant to its Second Tranche of the USD1.2 billion Share Buyback
Program announced on November 2, 2025, covering up to USD600 million to be executed in the open market, it has repurchased the following
ordinary shares from November 24, 2025 to (and including) November 28, 2025:

From November 24, 2025 to (and including) November 28, 2025, the Company
has purchased a total of 4,590,225 ordinary shares for a total consideration of €78,617,466, equivalent to USD90,853,326.

As of November 28, 2025, the Company held in treasury 41,950,073 ordinary
shares equal to 3.91% of the total issued share capital.

Tenaris intends to cancel treasury shares purchased under the
Programs 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.