Ternium's Steel Market and Financial Performance

Mexico Attractive steel market with a significant demand for high-end steel products ◉ Developed industrial sector (approximately 53% of shipments in Mexico) ■ Ternium's focus on value added products and services: ■ Service center network Steel shipments by sector (2022) Automotive; 24% ■ Nationwide coverage through distribution centers and regional distributors White goods; 8% ■ Customer digital connectivity ■ New capabilities to provide sophisticated steel products for industrial customers Ternium | May 2023 HVAC/lighting; 10% Other industries; 11% Commercial; 47% 17

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