VANCOUVER, British Columbia - Ero Copper Corp. (TSX: ERO, NYSE: ERO) (the 'Company') will publish its first quarter 2024 operating and financial results on Tuesday, May 7, 2024 after market close.

The Company will host a conference call to discuss the results on Wednesday, May 8, 2024 at 11:30am Eastern time (8:30am Pacific time).

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, Mineracao Caraiba S.A. ('MCSA'), 100% owner of the Company's Caraiba Operations (formerly known as the MCSA Mining Complex), which are located in the Curaca Valley, Bahia State, Brazil and include the Pilar and Vermelhos underground mines and the Surubim open pit mine, and the Tucuma Project (formerly known as Boa Esperanca), an IOCG-type copper project located in Para, 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 Caraiba Operations, Xavantina Operations and Tucuma Project, can be found on SEDAR+ at 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'.

Contact:

Tel: (604) 335-7504

Email: info@erocopper.com

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