Nexa Resources S.A.

Nexa Resources S.A. has filed a Form 6-K for October 2026, which includes interim certifications from its President and CEO, Ignacio Rosado, and its Senior Vice President of Finance and Group Chief Financial Officer, José Carlos del Valle. These certifications, dated October 29, 2026, attest to the accuracy and fair presentation of the company's interim financial report and interim Management Discussion and Analysis for the period ending September 30, 2026. The filing also confirms the design of disclosure controls and procedures and internal control over financial reporting, utilizing the COSO 2013 framework, with no material changes reported.

Nexa Resources S.A. filed certifications from its President and CEO, Ignacio Rosado, and Senior Vice President of Finance and Group CFO, José Carlos del Valle, for the interim financial report and MD&A for the period ended June 30, 2026. Both executives confirmed that the interim filings contain no material misrepresentations and fairly present the company's financial condition, performance, and cash flows. They also affirmed their responsibility for establishing and maintaining disclosure controls and internal controls over financial reporting, utilizing the COSO 2013 framework.

Nexa Resources reported strong second-quarter 2026 results, with net income of US$98 million and Adjusted EBITDA of US$286 million, reflecting a significant operational inflection. The company saw an 8% increase in zinc production and improved net leverage to 1.40x. Operational challenges, such as a fire at Cajamarquilla, were addressed, and key projects like Aripuanã's tailings filter and Cerro Lindo's block caving advanced. Shareholders approved a US$17.5 million share premium reimbursement, and discussions regarding a potential acquisition of Votorantim's controlling stake were publicly confirmed.

Nexa Resources reported strong financial results for Q2 and H1 2026, with significant increases in net income, EPS, and net revenues. Net income attributable to shareholders surged to $68.6 million for Q2 and $157.9 million for H1. The company also approved a share premium reimbursement of $17.5 million and achieved a key milestone in its silver streaming agreement, reducing the streaming percentage from 65% to 25%.

Nexa Resources announced encouraging exploration results for the first half of 2026, highlighting significant mineralization at its Vazante and El Porvenir targets. The company completed 123,455 meters of drilling, with exploration efforts focused on near-mine expansion and resource growth. Nexa plans to increase exploration drilling in the second half of 2026, revising its full-year program up by 12% to 66,805 meters.

Nexa Resources S.A. confirmed its awareness of ongoing negotiations between Votorantim S.A. (VSA) and Boliden AB regarding VSA's interest in Nexa. The company expects to participate in discussions concerning a potential transaction. Nexa emphasized that there is no certainty or assurance that an agreement will be reached, nor regarding the terms or timing of any such transaction.

Nexa Resources S.A. held its Annual General Meeting (AGM) and Extraordinary General Meeting (EGM) on June 25, 2026, where shareholders approved most resolutions. Key approvals included the annual accounts, consolidated financial statements, reelection of all directors, reappointment of PwC as auditor, and an increase in authorized share capital to $800 million. However, a significant resolution authorizing the Board to limit or cancel preferential rights for share capital increases was rejected by shareholders.

Nexa Resources S.A. held its Annual and Extraordinary General Meetings on June 25, 2026, with 70.56% of outstanding shares participating. Shareholders approved most proposed resolutions, including the 2025 annual accounts, consolidated financial statements, and the re-election of board members. A significant outcome was the approval of a share premium reimbursement totaling approximately $17.5 million, or $0.132136 per common share, payable on August 11, 2026. However, a resolution to authorize the Board to limit or cancel preferential rights in capital increases was not approved, receiving only 0.89% of votes.

Nexa Resources S.A. is gradually resuming operations at its Cajamarquilla smelter in Peru following an incident reported on May 13, 2026. The electrolysis lines are now fully operational, and one casting line has restarted, with the remaining lines expected to be operational by mid-June. The company estimates a temporary production impact of approximately 7kt of refined zinc in 2Q26, representing about 2% of its annual production, which is expected to be recovered in the second half of 2026. Nexa's 2026 sales guidance remains unchanged, and no material financial impact is currently anticipated.

Nexa Resources S.A. announced its Annual and Extraordinary General Meetings of Shareholders to be held on June 25, 2026. Key proposals include the approval of 2025 financial statements, a share premium reimbursement of approximately $17.5 million ($0.132136 per share), and the reelection of nine directors. The Extraordinary General Meeting will seek to increase the authorized share capital from $231.9 million to $800 million. Additionally, the Board will be authorized to limit or cancel preferential subscription rights for future share issuances.