Ms. Bonita To reports

FIRST QUANTUM MINERALS PROVIDES NOTICE OF ANNUAL GENERAL MEETING OF SHAREHOLDERS AND FILING OF MANAGEMENT INFORMATION CIRCULAR AND SUPPORTING DOCUMENTS

The annual general meeting of shareholders of First Quantum Minerals Ltd. will take place on May 7, 2026, at 9 a.m. EDT in person at Blake Cassels & Graydon, 199 Bay St., Suite 4000, Commerce Court West, Toronto, Ont., or on-line by audio webcast through the company's website.

Annual disclosure documents

The company's 2025 annual report (which includes the company's audited annual financial statements for the year ended Dec. 31, 2025, and the corresponding management discussion and analysis), 2026 notice-and-access document, notice of 2026 annual general meeting, management information circular, proxy form, financial statements request form and voting instruction form are now available on SEDAR+ and First Quantum's website.

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.

We seek Safe Harbor.