VANCOUVER, British Columbia, Dec. 19, 2025 (GLOBE NEWSWIRE) -- Ero Copper Corp. (TSX: ERO, NYSE: ERO) ("Ero" or the “Company”) is pleased to announce the filing of its Technical Report for the Xavantina Operations related to the update on its National Instrument 43-101 compliant mineral reserve and resource estimate previously announced on November 4, 2025. The Technical Report was prepared in accordance with the Canadian Securities Administrator’s National Instrument 43-101 – Standards of Disclosure for Mi ...