ERO.TO · 2023-10-06 12:00:00

Ero Copper to Release Third Quarter 2023 Operating

Financials

October 6, 2023

and Financial Results on November 2, 2023

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

will publish its third quarter 2023 operating and financial results on Thursday, November 2,

2023 after market close. The Company will host a conference call to discuss the results on

Friday, November 3, 2023 at 8:30am Eastern time (5:30am Pacific time).

CONFERENCE CALL DETAILS

Date: Friday, November 3, 2023

Time: 8:30am Eastern Time (5:30am 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: 0471

ABOUT ERO COPPER CORP

Ero is a high-margin, high-growth, low carbon-intensity copper producer with operations in

Brazil and corporate headquarters in Vancouver, B.C. 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 Company's Caraíba Operations (formerly known as the MCSA Mining

Complex), which are located in the Curaçá Valley, Bahia State, Brazil and include the Pilar

and Vermelhos underground mines and the Surubim open pit mine, and the Tucumã Project

(formerly known as Boa Esperança), an IOCG-type copper project located in Pará, Brazil. The

Company also owns 97.6% of NX Gold S.A. ("NX Gold") which owns the Xavantina

Operations (formerly known as the NX Gold Mine), comprised of an operating gold and silver

mine located in Mato Grosso, Brazil. Additional information on the Company and its

operations, including technical reports on the Caraíba Operations, Xavantina Operations and

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

(www.sedar.com), and on EDGAR (www.sec.gov). The Company’s shares are publicly traded

on the Toronto Stock Exchange and the New York Stock Exchange under the symbol “ERO”.

FOR MORE INFORMATION, PLEASE CONTACT

Courtney Lynn, SVP, Corporate Development, Investor Relations & Sustainability

(604) 335-7504

TSX: ERO

NYSE: ERO

1 Ero Copper Corp