Ms. Bonita To reports

FIRST QUANTUM MINERALS ANNOUNCES VOTING RESULTS FOR THE ELECTION OF DIRECTORS

The nominees listed in the management information circular for the 2026 annual meeting of shareholders have been elected as directors of First Quantum Minerals Ltd. In total, 705,755,150 shares were voted at the meeting, representing 84.60 per cent of the issued and outstanding shares of the company. Detailed results of the vote for the election of directors held at the annual meeting on May 7, 2026, are set out in the attached table. The attached results have also been filed on SEDAR+.

About First Quantum Minerals Ltd.

First Quantum is engaged in the production of copper, nickel and gold, and related activities, including exploration and development. The company has operating mines located in Zambia and Mauritania. The company's Cobre Panama mine was placed into a phase of preservation and safe management in November, 2023. The company's Ravensthorpe mine was placed into a care and maintenance process in May, 2024. The company is progressing the Taca Taca copper-gold-molybdenum project in Argentina and is exploring the La Granja and Haquira copper deposits in Peru.