Ero Copper Files NI 43-101 Report for Furnas PEA, Secures 60% Earn-In

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Ero Copper filed its NI 43-101 Technical Report on the Preliminary Economic Assessment for the Furnas Copper-Gold Project in Brazil’s Carajás Province, detailing the PEA’s resource and economic parameters. The report underpins Ero’s planned 60% earn-in agreement with Vale Base Metals to advance Furnas toward development.

1. Filing of NI 43-101 Technical Report for Furnas PEA

Ero Copper filed its National Instrument 43-101 compliant Technical Report on March 30, 2026, covering the Preliminary Economic Assessment for the Furnas Copper-Gold Project in Brazil’s Carajás Province. The filing updates and substantiates the PEA disclosures made on February 23, 2026 and is accessible via the company’s website and Canadian and U.S. regulatory filings.

2. Furnas Project and Earn-In Agreement

The Furnas project, situated in Pará State’s mineral-rich Carajás Province, is being advanced under a definitive earn-in agreement with Vale Base Metals granting Ero a 60% interest. This PEA Technical Report outlines the initial resource estimates and economic parameters that will guide Ero’s development strategy for the high-grade copper-gold deposit.

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