Ms. Courtney Lynn reports

ERO COPPER TO RELEASE FIRST QUARTER 2024 OPERATING AND FINANCIAL RESULTS ON MAY 7, 2024

Ero Copper Corp. will publish its first quarter 2024 operating and financial results on Tuesday, May 7, 2024, after the market close. The company will host a conference call to discuss the results on Wednesday, May 8, 2024, at 11:30 a.m. Eastern Time (8:30 a.m. Pacific Time).

Conference call details

Date:  Wednesday, May 8, 2024

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

Dial-in:  Canada and United States toll-free at 1-844-763-8274; international at 1-647-484-8814 (Please dial in five to 10 minutes prior and ask to join the call.)

Preregister:  Register on-line to bypass the live operator queue.

Replay:  Canada and U.S. toll-free at 1-855-669-9658; international at 1-604-674-8052

Replay passcode:  0848

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-per-cent interest in the Brazilian copper mining company, Mineracao Caraiba S.A. (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 and 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), 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 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.