ERO.TO · 2025-06-24 12:00:00

Ero Copper to Release Second Quarter 2025

Financials

June 24, 2025

Operating and Financial Results on July 31, 2025

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

will publish its second quarter 2025 operating and financial results on Thursday, July 31,

2025, after market close. The Company will host a conference call to discuss the results on

Friday, August 1, 2025 at 11:30am Eastern time (8:30am Pacific time). A res ults presentation

will be available for download via the webcast link and in the Presentations section of the

Company's website on the day of the conference call.

CONFERENCE CALL DETAILS

Date: Friday, August 1, 2025

Time: 11:30am Eastern Time (8:30am Pacific Time)

Dial In:

Canada/USA Toll Free: 1-833-752-3380, International: +1-647-846-2821

Please dial in 5-10 minutes prior to the start of the call or pre-register using this

link to bypass the live operator queue

Webcast: To access the webcast, click here

Replay: Canada/USA Toll Free: 1-855-669-9658, International: +1-412-317-0088

For country-specific dial-in numbers, click here

Replay Passcode: 4498533

ABOUT ERO COPPER CORP

Ero Copper is a high-margin, high-growth 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, which are located in the Curaçá Valley, Bahia State,

Brazil, and the Tucumã Operation, an open pit copper mine located in Pará State, Brazil. The

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

Operations, an operating gold and silver mine located in Mato Grosso State, Brazil. In July

2024, the Company signed a definitive earn-in agreement with Vale Base Metals for a 60%

interest in the Furnas Copper-Gold Project, located in the Carajás Mineral Province in Pará

State, Brazil. For more information on the earn-in agreement, please see the Company's press

releases dated October 30, 2023 and July 22, 2024. Additional information on the Company

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

Operations, Tucumã Operation and the Furnas Copper-Gold Project, can be found on the

Company’s website (www.erocopper.com), on SEDAR+ (www.sedarplus.ca/landingpage/)

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”.

TSX: ERO

NYSE: ERO

1 Ero Copper Corp

FOR MORE INFORMATION, PLEASE CONTACT

Courtney Lynn, Executive Vice President, External Affairs and Strategy

(604) 335-7504

[email protected]

TSX: ERO

NYSE: ERO

2 Ero Copper Corp

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