News Summary

• First Quantum Minerals Ltd. (TSX: FM) will release first quarter 2026 financial and operating results on Tuesday, April 28, 2026 after the close of the Toronto Stock Exchange (“TSX”) The Company will host a conference call and webcast to discuss the results on Wednesday, April 29, 20 26 at 9:00 am (ET) A replay of the webcast will be available on the First Quantum website.
• First Quantum is engaged in the production of copper, nickel and gold, and related activities including exploration and development.