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Ero Copper files Technical Report for the NX Gold Mine

Technical Reports (NI 43-101)

TSX: ERO

Ero Copper Corp

625 Howe Street | Suite 1050 | Vancouver | BC | V6C 2T6 | Canada

FEBRUARY 3, 2020

Ero Copper files Technical Report for the NX Gold Mine

Vancouver, British Columbia – Ero Copper Corp. (TSX : ERO) (“Ero” or the “Company” )

announces that it has filed its 2019 Technical Report for the NX Gold Mine for the increase in

mineral reserves and mineral resources previously announced on December 19, 2019.

The Technical Report was prepared in accordance with the Canadian Securities Administrator’s

National Instrument 43-101 – Standards of Disclosure for Mineral Projects, and can be found on

the Company’s website (www.erocopper.com) and on SEDAR (www.sedar.com).

ABOUT ERO COPPER CORP

Ero Copper Corp, headquartered in Vancouver, B.C., is focused on copper production growth from

the Vale do Curaçá Property, located in Bahia, Brazil. The Company’s primary asset is a 99.6%

interest in the Brazilian copper mining company, Mineração Caraíba S.A. (“MCSA”), 100% owner

of the Vale do Curaçá Property with over 40 years of operating history in the region. The Company

currently mines copper ore from the Pilar and Vermelhos underground mines. In addition to the

Vale do Curaçá Property, MCSA owns 100% of the Boa Esperanҫa development project, an

IOCG-type copper project located in Pará, Brazil and the Company, directly and indirectly, owns

97.6% of the NX Gold Mine, an operating gold and silver mine located in Mato Grosso,

Brazil. Additional information on the Company and its operations, including t echnical reports on

the Vale do Curaçá , Boa Esperanҫa and NX Gold properties, can be found on the Company’s

website (www.erocopper.com) and on SEDAR (www.sedar.com).

TSX: ERO

Ero Copper Corp

625 Howe Street | Suite 1050 | Vancouver | BC | V6C 2T6 | Canada

ERO COPPER CORP.

Signed: “David Strang” For further information contact:

David Strang, President & CEO Makko DeFilippo, Vice President, Corporate Development

(604) 429-9244

[email protected]