Ero Copper has reported continued progress in the development of its Vermelhos underground copper mine in Bahia, Brazil. Through October, approximately 1,167 meters (m) of underground development had been completed, comprising 635 m of primary ramp development, 102 m of auxiliary ramp development, and 430 m of secondary development. The average development rate since primary ramp development began in early May has been approximately 105 m per month, well ahead of the planned 75 m per month.

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