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Nexa Resources (NYSE: NEXA) details 2025 sustainability progress

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6-K

Rhea-AI Filing Summary

Nexa Resources S.A. furnished an update highlighting the publication of its 2025 Sustainability Report, covering January 1 to December 31, 2025. The report describes initiatives and performance across environment, workforce, and communities, reflecting the company’s corporate sustainability and social responsibility approach.

The report follows IIRC, GRI, SASB and TCFD frameworks, is supported by a separate databook, and was externally assured by Bureau Veritas Brazil. Nexa also reiterates its profile as a large-scale, low-cost polymetallic producer focused on zinc, operating five mines and three smelters in Latin America.

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Report period January 1 to December 31, 2025 Coverage of 2025 Sustainability Report
Years of experience Over 65 years Experience operating mining and smelting assets in Latin America
Number of mines Five polymetallic mines Four underground and one open-pit in Peru and Brazil
Number of smelters Three zinc smelters Two in Minas Gerais, Brazil, one in Lima, Peru
International Integrated Reporting Council financial
"prepared in accordance with the frameworks of the International Integrated Reporting Council"
Global Reporting Initiative financial
"prepared in accordance with the frameworks of the International Integrated Reporting Council and to the Global Reporting Initiative"
A global reporting initiative is a widely used set of standards and guidelines companies follow to disclose their environmental, social and governance performance—think of it as a common recipe that helps firms report on things like emissions, labor practices and supply‑chain impacts in a consistent way. Investors use these reports to compare companies, assess long‑term risks and spot opportunities that aren't visible in financial statements alone.
Sustainability Accounting Standards Board financial
"also aligns with the Sustainability Accounting Standards Board and the recommendations of the Task Force"
A Sustainability Accounting Standards Board is an independent organization that creates clear, industry-specific rules for companies to report sustainability information that could affect their financial performance, such as environmental impact, social practices, or governance. For investors it acts like a standardized checklist or recipe, making it easier to compare companies, spot risks and opportunities tied to sustainability, and include those factors in investment decisions.
forward-looking statements regulatory
"This news release contains certain forward-looking information and forward-looking statements as defined"
Forward-looking statements are predictions or plans that companies share about what they expect to happen in the future, like estimating sales or profits. They matter because they help investors understand a company's outlook, but since they are based on guesses and assumptions, they can sometimes be wrong.
 

 

U.S. SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 6-K

 

REPORT OF FOREIGN PRIVATE ISSUER

PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE

SECURITIES EXCHANGE ACT OF 1934

For the Month of April 2026

Nexa Resources S.A.

(Exact Name as Specified in its Charter)

       N/A       

(Translation of Registrant’s Name)

37A, Avenue J.F. Kennedy
L-1855, Luxembourg
Grand Duchy of Luxembourg
(Address of principal executive offices)

Indicate by check mark whether the registrant files or will file annual reports under cover Form 20-F or Form 40-F.

Form 20-F    X   Form 40-F      

Indicate by check mark if the registrant is submitting the Form 6-K in paper as permitted by Regulation S-T Rule 101(b)(1): ____

Indicate by check mark if the registrant is submitting the Form 6-K in paper as permitted by Regulation S-T Rule 101(b)(7): ____

Indicate by check mark whether by furnishing the information contained in this Form, the registrant is also thereby furnishing the information to the Commission pursuant to Rule 12g3-2(b) under the Securities Exchange Act of 1934.

Yes       No   X  

If “Yes” is marked, indicate below the file number assigned to the registrant in connection with Rule 12g3-2(b): Not applicable.

 
 

 

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized.

Date: April 24, 2026.

Nexa Resources S.A.
By:/s/ José Carlos del Valle
Name: José Carlos del Valle

Title:  Senior Vice President of Finance and Group Chief Financial Officer

 

 

 
 

 
 

EXHIBIT INDEX

 

Exhibit Description of Exhibit

 

99.1

 

Nexa Resources Publishes 2025 Sustainability Report

 

 

 

NEXA RESOURCES PUBLISHES 2025 SUSTAINABILITY REPORT

Luxembourg, April 24, 2026 - Nexa Resources S.A. (“Nexa Resources”, “Nexa” or the “Company”) (NYSE Symbol: “NEXA”) today published its 2025 Sustainability Report, covering the period from January 1 to December 31, 2025.

The report underscores the Company's ongoing commitment to corporate sustainability and socially responsible practices, while detailing initiatives and achievements across its operations environment, workforce, and communities.

It has been prepared in accordance with the frameworks of the International Integrated Reporting Council (“IIRC”) and to the Global Reporting Initiative (“GRI”) and also aligns with the Sustainability Accounting Standards Board (“SASB”) and the recommendations of the Task Force on Climate-Related Financial Disclosure (“TCFD”).

The disclosure covers entities under Nexa’s operational control and is organized into three chapters: About NexaESG at Nexa, and Strategic and Priority Topics. Supporting performance data is available in the accompanying databook. The content was externally assured by Bureau Veritas Brazil.

Read the full 2025 Sustainability Report here.

About Nexa

Nexa is a large-scale, low-cost, integrated polymetallic producer, with zinc as our main product. We have over 65 years of experience developing and operating mining and smelting assets in Latin America. We currently own and operate five polymetallic mines – four long-life underground (two in the Central Andes region of Peru and two in Brazil, in the states of Minas Gerais and Mato Grosso) and one open-pit mine in the Central Andes region of Peru. We also own and operate three zinc smelters – two in the state of Minas Gerais, Brazil (Três Marias and Juiz de Fora), and one in Lima, Peru (Cajamarquilla), which is the largest zinc smelter in the Americas.

Cautionary Statement on Forward-Looking Statements

This news release contains certain forward-looking information and forward-looking statements as defined in applicable securities laws (collectively referred to in this news release as “forward-looking statements”). Forward-looking statements contained in this news release may include, but are not limited to, zinc and other metal prices and exchange rate assumptions, projected operating and capital costs, metal or mineral recoveries, head grades, mine life, production rates, and returns; the Company’s potential plans; the estimation of the tonnage, grade and content of deposits and the extent of mineral resource and mineral reserve estimates; timing of commencement of production; exploration potential and results; the timing and receipt of necessary permits for future operations; and the impacts of COVID-19 on our operations.

These statements are based on information currently available to the Company and the Company provides no assurance that actual results and future performance and achievements will meet or not differ from the expectations of management or qualified persons. All statements other than statements of historical fact are forward-looking statements. The words “believe,” “will,” “may,” “may have,” “would,” “estimate,” “continues,” “anticipates,” “intends,” “plans,” “expects,” “budget,” “scheduled,” “forecasts” and similar words are intended to identify estimates and forward-looking statements. Forward-looking statements are not guarantees and involve known and unknown risks, uncertainties and other factors which may cause the actual results, performance or achievements of the Company to be materially different from any future results, performance or achievements expressed or implied by the forward-looking statements.

 
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Actual results and developments may be substantially different from the expectations described in the forward-looking statements for a number of reasons, many of which are not under our control, among them, the activities of our competition, the future global economic situation, weather conditions, market prices and conditions, exchange rates, and operational and financial risks. The unexpected occurrence of one or more of the abovementioned events may significantly change the results of our operations on which we have based our estimates and forward-looking statements. Our estimates and forward-looking statements may also be influenced by, among others, legal, political, environmental, or other risks that could materially affect the potential development of the Project, including risks related to outbreaks of contagious diseases or health crises impacting overall economic activity regionally or globally, as well as risks relating to ongoing or future investigations by local authorities with respect to our business and operations and the conduct of our customers, including the impact to our financial statements regarding the resolution of any such matters.

These forward-looking statements related to future events or future performance and include current estimates, predictions, forecasts, beliefs and statements as to management’s expectations with respect to, but not limited to, the business and operations of the Company and mining production, our growth strategy, the impact of applicable laws and regulations, future zinc and other metal prices, smelting sales, capex, expenses related to exploration and project evaluation, estimation of Mineral Reserves and/or Mineral Resources, mine life and our financial liquidity.

Forward-looking statements are necessarily based upon a number of factors and assumptions that, while considered reasonable and appropriate by management and qualified persons considering their experience are inherently subject to significant uncertainties and contingencies and may prove to be incorrect. Statements concerning future production costs or volumes are based on numerous assumptions of management regarding operating matters and on assumptions that demand for products develops as anticipated, that customers and other counterparties perform their contractual obligations, full integration of mining and smelting operations, that operating and capital plans will not be disrupted by issues such as mechanical failure, unavailability of parts and supplies, labor disturbances, interruption in transportation or utilities, adverse weather conditions, and that there are no material unanticipated variations in metal prices, exchange rates, or the cost of energy, supplies or transportation, among other assumptions.

Estimates and forward-looking statements refer only to the date when they were made, and we do not undertake any obligation to update or revise any estimate or forward-looking statement due to new information, future events or otherwise, except as required by law. Estimates and forward-looking statements involve risks and uncertainties and do not guarantee future performance, as actual results or developments may be substantially different from the expectations described in the forward-looking statements. Further information concerning risks and uncertainties associated with these forward-looking statements and our business can be found in our public disclosures filed under our profile on SEDAR+ (www.sedarplus.ca) and on EDGAR (www.sec.gov).

 

For further information, please contact:

Investor Relations Team

ir@nexaresources.com

 

 
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FAQ

What did Nexa Resources (NEXA) announce in its latest Form 6-K?

Nexa Resources announced the publication of its 2025 Sustainability Report. The report covers January 1 to December 31, 2025 and outlines sustainability initiatives, performance data, and ESG priorities across its mining and smelting operations in Latin America.

Which reporting frameworks does Nexa Resources (NEXA) use for its 2025 Sustainability Report?

The 2025 Sustainability Report follows IIRC and GRI frameworks and aligns with SASB and TCFD recommendations. Using these widely recognized standards helps structure Nexa’s environmental, social, and governance disclosures in a way comparable with other global mining and metals companies.

Was Nexa Resources’ 2025 Sustainability Report externally assured?

Yes. Nexa’s 2025 Sustainability Report was externally assured by Bureau Veritas Brazil. External assurance provides additional confidence that the reported sustainability data and narratives were independently reviewed against defined criteria, enhancing reliability for investors and other stakeholders.

What operations does Nexa Resources (NEXA) highlight in this sustainability disclosure?

Nexa highlights five polymetallic mines and three zinc smelters in Latin America. These include underground and open-pit mines in Peru and Brazil, and smelters in Brazil and Peru, with Cajamarquilla in Lima described as the largest zinc smelter in the Americas.

What are the main sections of Nexa Resources’ 2025 Sustainability Report?

The report is organized into three chapters: About Nexa, ESG at Nexa, and Strategic and Priority Topics. It is complemented by a databook providing supporting performance data, helping readers understand both qualitative initiatives and quantitative sustainability indicators.

What forward-looking information does Nexa Resources caution around in this update?

Nexa includes a broad forward-looking statements disclaimer covering items like metal prices, production, costs, reserves, permits, and macroeconomic conditions. The company notes actual results may differ due to risks such as market factors, operational issues, regulations, and broader economic conditions.

Filing Exhibits & Attachments

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