Mr. Farooq Hamed reports

ERO COPPER TO RELEASE SECOND QUARTER 2026 OPERATING AND FINANCIAL RESULTS ON AUGUST 5, 2026

Ero Copper Corp. will publish its second quarter 2026 operating and financial results on Wednesday, Aug. 5, 2026, after the market close. The company will host a conference call to discuss the results on Thursday, Aug. 6, 2026, at 11:30 a.m. Eastern Time (8:30 a.m. Pacific Time). A results presentation will be available for download in the presentations section of the company's website on the day of the conference call.

Conference call details

Date:  Thursday, Aug. 6, 2026

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

Dial-in:  Canada and United States toll-free at 1-833-752-3380; international at 1-647-846-2821 (Please dial in five to 10 minutes prior to the start of the call or preregister on-line to bypass the live operator queue.)

Webcast:  A webcast will be available.

Replay:  Canada and U.S. toll-free at 1-855-669-9658; international at 1-412-317-0088 (Country-specific dial-in numbers are available on-line.)

Replay passcode:  5157205

About Ero Copper Corp.

Ero is a Brazil-focused, growth-oriented mining company with a diversified portfolio of copper and gold assets. Headquartered in Vancouver, B.C., the Company operates two copper mines - the Caraiba Operations in Bahia State and the Tucuma Operation in Para State - as well as the Xavantina Operations, a producing gold mine in Mato Grosso State. In addition to its operating assets, Ero is advancing the Furnas Copper-Gold Project, located in the mineral-rich Carajas Province in Para State, through a definitive earn-in agreement with Vale Base Metals to acquire a 60% interest in the project.

Ero's operating philosophy is grounded in a commitment to safety, operational excellence, and the responsible production of minerals essential for a better tomorrow. The Company's shares are publicly traded on the Toronto Stock Exchange and the New York Stock Exchange under the symbol "ERO." Additional information, including technical reports on the Company's operations and projects, is available on the Company's website ( www.ero.com ), SEDAR+ ( www.sedarplus.ca ), and on EDGAR ( www.sec.gov ).