Tenaris S.A.

Tenaris S.A. ( TS ) Q3 2026 Earnings Call November 5, 2026 8:00 AM EST Company Participants Giovanni Sardagna Gabriel Podskubka - Chief Executive Officer Guillermo Moreno - President of U.S.A Carlos Gomez Alzaga - Chief Financial Officer Conference Call Participants Marc Bianchi - TD Cowen, Research Division Arun Jayaram - JPMorgan Chase & Co, Research Division Isacco Brambilla - Mediobanca - Banca di credito finanziario S.p.A.

While the top- and bottom-line numbers for Tenaris (TS) give a sense of how the business performed in the quarter ended September 2026, it could be worth looking at how some of its key metrics compare to Wall Street estimates and year-ago values.

The financial and operational information contained in this press release is based on unaudited consolidated condensed interim financial statements presented in U.S. dollars and prepared in accordance with IFRS Accounting Standards as issued by the International Accounting Standards Board and adopted by the European Union, or IFRS. Additionally, this press release includes non-IFRS alternative performance measures i.e., EBITDA, Free cash flow, Net cash / (debt) and Operating working capital days. See exhibit I for more details on these alternative performance measures.

TD Waterhouse Canada Inc. trimmed its stake in shares of Tenaris S.A. (NYSE: TS) by 93.5% during the third quarter, according to its most recent disclosure with the Securities and Exchange Commission. The institutional investor owned 915 shares of the industrial products company's stock after selling 13,242 shares during the quarter. TD Waterhouse