ERO · Ero Copper Corp.

Summary

Ero Copper Corp. (NYSE: ERO), a Canadian mining firm, filed its fiscal 2025 Form 40-F annual report with the U.S. SEC on March 30, 2026, fulfilling reporting requirements for foreign private issuers. The filing confirms 104,192,288 common shares were outstanding as of December 31, 2025, and that the company submitted all required reports and interactive data files on time over the preceding 12 months. The company’s CEO and CFO concluded disclosure controls and internal control over financial reporting were effective as of fiscal year end, with no material changes to internal controls recorded in 2025. No material off-balance sheet transactions, financial statement restatements, or waivers of the company’s Code of Business Conduct and Ethics occurred in 2025. KPMG LLP served as the independent registered auditor for the period, and the company’s fully independent 4-member audit committee includes two qualified audit committee financial experts. Key supporting exhibits incorporated by reference or attached include the 2025 Annual Information Form, Management’s Discussion and Analysis, audited consolidated financial statements, and the company’s incentive compensation clawback policy.

Key takeaways

• Ero Copper had 104,192,288 outstanding common shares as of December 31, 2025, and was fully compliant with all SEC reporting requirements for the preceding 12 months.
• The company’s CEO and CFO confirmed effective disclosure controls and internal control over financial reporting as of fiscal year end, with no material changes to internal controls or material off-balance sheet transactions recorded in 2025.
• No amendments to or waivers of the company’s Code of Business Conduct and Ethics were granted in 2025, and the independent audit committee consists of four independent directors, including two qualified audit committee financial experts.