Investor Presentaiton

Standard 308-1 308-2 Description New suppliers that were screened using environmental criteria Negative environmental impacts in the supply chain and actions taken Reporting criteria and parameters Boundary: Consolidated (Votorantim + portfolio companies) Details general: The standard provides a relative assessment (in %) of new suppliers screened using environmental criteria (numerator) in relation to all new suppliers (denominator), according to the following definitions: ►New suppliers: First-time suppliers selected, approved and/or contracted during the period covered by the report. ► Environmental criteria: Assessments can be informed by audits, contractual reviews, documentation review at the time of approval, approval updates, involvement of both parties, and complaint and grievance mechanisms related to environmental aspects, including but not limited to, legal compliance, history of non-compliance, fines and sanctions and evaluation of policies and processes to mitigate environmental risks that may lead to operational, reputational, legal or financial damage to the supplier or the portfolio company itself. Given the variety of sectors and segments, it is up to each portfolio company to determine the relevant criteria for its procedures, according to its specific characteristics. Details per portfolio company: Boundary: Consolidated (Votorantim + portfolio companies) Details general: The standard provides a relative assessment (in %) of suppliers screened using environmental criteria (numerator) in relation to all active suppliers (denominator), according to the following definitions: ►Suppliers: Suppliers that are considered active by the company and were selected, approved and/or contracted before the period covered by the Report. ► Environmental criteria: Assessments can be informed by audits, contractual reviews, documentation review at the time of approval, approval updates, involvement of both parties, and complaint and grievance mechanisms related to environmental aspects, including but not limited to, legal compliance, history of non-compliance, fines and sanctions and evaluation of policies and processes to mitigate environmental risks that may lead to operational, reputational, legal or financial damage to the supplier or the portfolio company itself. Given the variety of sectors and segments, it is up to each portfolio company to determine the relevant criteria for its procedures, according to its specific characteristics. Details per portfolio company: Exceptions The data reported by Votorantim Cimentos includes only operations in Brazil. ►Nexa's reporting for the indicator does not include the company's offices located in Luxembourg and the United States. ►Nexa's reporting for the indicator does not include the company's offices located in Luxembourg and the United States. 96 Changes None Justification N/A None N/A

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