Ms. Courtney Lynn reports

ERO COPPER TO RELEASE SECOND QUARTER 2025 OPERATING AND FINANCIAL RESULTS ON JULY 31, 2025

Ero Copper Corp. 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, Aug. 1, 2025, at 11:30 a.m. Eastern Time (8:30 a.m. Pacific Time). A results 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.

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-per-cent interest in the Brazilian copper mining company, Mineracao Caraiba S.A. (MCSA), 100-per-cent owner of the company's Caraiba operations, which are located in the Curaca Valley, Bahia state, Brazil, and the Tucuma operation, an open pit copper mine located in Para state, Brazil. The company also owns 97.6 per cent of NX Gold S.A. 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-per-cent interest in the Furnas copper-gold project, located in the Carajas Mineral province in Para state, Brazil.