Nexa Resources S.A. (NEXA) Form 6-K — Aug 5, 2026

Nexa Resources S.A. filed a Form 6-K furnishing Form 52-109F2 interim certifications for the period ended June 30, 2026, signed by President and CEO Ignacio Rosado and Group CFO José Carlos del Valle. In the certifications, both executives state that the interim filings contain no untrue statements of material fact, fairly present the company's financial condition and cash flows, and that disclosure controls and internal control over financial reporting were designed under the COSO 2013 framework. Any ICFR changes during April 1 to June 30, 2026 were stated to be disclosed in the interim MD&A, with no exceptions raised.

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