Ero Copper Achieves Commercial Production at the Tucumã Operation

VANCOUVER, British Columbia, July 03, 2025 (GLOBE NEWSWIRE) -- Ero Copper Corp. (TSX: ERO, NYSE: ERO) ("Ero" or the “Company”) is pleased to announce that the Tucumã Operation, located in Pará State, Brazil, achieved commercial production, effective July 1, 2025. During the month of June, following the completion of commissioning of the third filter press as well as modifications to the process plant, the operation achieved sustained throughput levels exceeding 75% of design capacity.