Ternium's Steel Market and Financial Performance

Sustainable Profitability Minimizing Ternium's environmental footprint ◉ Environmental investment plan: encompassing Ternium's steelmaking facilities in Mexico, Brazil and Argentina $430 million capex ('22-'28) ◉ ☐ Responsible use of natural resources Focus on excellence in environmental performance Certified environmental management system Management performance accountability ■ Sustainable building solutions at new facilities Biodiversity protection GREEN UILDING CO CLIMATE ACTION Member worldsteel Ternium I May 2023 CERTIFIED CERTIFIED USGBC Reintroduction of endangered species, such as the yaguareté, in Esteros del Iberá Environmental monitoring center at Ternium's Rio de Janeiro unit in Brazil 10

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