Ms. Courtney Lynn reports

ERO COPPER TO RELEASE SECOND QUARTER 2023 FINANCIAL AND OPERATING RESULTS ON AUGUST 3, 2023

Ero Copper Corp. will publish its second quarter 2023 financial and operating results on Thursday, Aug. 3, 2023, after the market close. The company will host a conference call to discuss the results on Friday, Aug. 4, 2023, at 11:30 a.m. Eastern Time (8:30 a.m. Pacific Time).

Conference call details

Date:  Friday, Aug. 4, 2023

Time:  11:30 a.m. Eastern Time (8:30 a.m. Pacific Time)

Dial-in:  North America at 1-800-319-4610; international at 1-604-638-5340 (Please dial in five to 10 minutes prior and ask to join the call.)

Replay:  North America at 1-800-319-6413; international at 1-604-638-9010

Replay passcode:  0319

About Ero Copper Corp.

Ero Copper is a high-margin, high-growth, clean copper producer with operations in Brazil and corporate headquarters in Vancouver, B.C. The company's primary asset is a 99.6-per-cent interest in the Brazilian copper mining company, MCSA, 100-per-cent 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, the Surubim open-pit mine, and the Tucuma project (formerly known as Boa Esperanca), an IOCG-type (iron ore, copper and gold) copper project located in Para, Brazil. The company also owns 97.6 per cent of NX Gold S.A., which owns the Xavantina operations (formerly known as the NX gold mine), namely comprising 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 the company's website, on SEDAR and on EDGAR. The company's shares are publicly traded on the Toronto Stock Exchange and the New York Stock Exchange under the symbol ERO.