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ERO.TO ·

Ero Copper to Release Third Quarter 2021 Financial and

Financials

October 15, 2021

Ero Copper to Release Third Quarter 2021 Financial and

Operating Results on November 10, 2021

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

publish its third quarter 2021 financial and operating results on Wednesday, November 10, 2021 after

market close. The Company will host a conference call to discuss the results on November 11, 2021 at

12:30pm Eastern time (9:30am Pacific time).

CONFERENCE CALL DETAILS

Date: Thursday, November 11, 2021

Time: 12:30pm Eastern Time (9:30am Pacific Time)

Dial in: North America: 1-800-319-4610, International: +1-604-638-5340

please dial in 5-10 minutes prior and ask to join the call

Replay: North America: 1-800-319-6413, International: +1-604-638-9010

Replay Passcode: 7736

ABOUT ERO COPPER CORP

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

MCSA Mining Complex located in Bahia State, Brazil, with over 40 years of operating history in the

region. The Company's primary asset is a 99.6% interest in the Brazilian copper mining company,

MCSA, 100% owner of the MCSA Mining Complex, which is comprised of operations located in the

Curaçá Valley, Bahia State, Brazil, wherein the Company currently mines copper ore from the Pilar and

Vermelhos underground mines, and the Boa Esperança development project, an IOCG-type copper

project located in Pará, Brazil. The Company also 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 technical reports on the MCSA Mining Complex, Boa Esperança and NX Gold

properties, can be found on the Company's website ( www.erocopper.com), on SEDAR

(www.sedar.com), and on EDGAR (www.sec.gov).

ERO COPPER CORP.

/s/ David Strang For further information contact:

David Strang, CEO Courtney Lynn, VP, Corporate Development & Investor Relations

(604) 335-7504

[email protected]

TSX: ERO

NYSE: ERO

1 Ero Copper Corp

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