LUXEMBOURG, June 14, 2024 (GLOBE NEWSWIRE) -- Tenaris S.A. (NYSE and Mexico: TS and EXM Italy: TEN) ("Tenaris") announced today the completion of the third tranche and the commencement of the fourth tranche of its USD1.2 billion Share Buyback Program announced on November 1, 2023 (the "Program"). During the third tranche, which ran from May 13, 2024, to (and including) June 13, 2024, the Company purchased a total of 18,080,524 ordinary shares for a total consideration of EUR276,630,414, or USD300 million. A ...