03:40 AM EST, 11/03/2025 (MT Newswires) -- Tenaris ( TS ) said Sunday it has entered into a buyback agreement with a financial institution for the second $600 million tranche of its $1.2 billion share buyback program.

The second tranche is effective immediately and will end by April 30, the company said.

Shares purchased under the program will be cancelled, the company said.