First Quantum Provides Notice of Third Quarter 2021 Results

NEWS RELEASE 21-13 October 8, 2021

www.first-quantum.com

FIRST QUANTUM PROVIDES NOTICE OF THIRD QUARTER 2021 RESULTS

Toronto, Ontario (October 8, 2021) - First Quantum Minerals Ltd. (“FQM” or the “Company”) (TSX: FM) will release third quarter 2021 financial and operating results on Tuesday, October 26, 2021 after the close of the Toronto Stock Exchange. The Company will host a conference call and webcast to discuss the results on Wednesday, October 27, 2021 at 9:00 am (ET).

Conference call and webcast details:

Toll-free North America: 1-800-952-5114 Toronto Local and International: 416-406-0743 Toll-free UK: 00-80042228835

Passcode: 3445838#

Webcast: www.first-quantum.com

Conference call replay:

Toll-free North America: 1-800-408-3053 Toronto Local and International: 905-694-9451 Passcode: 2396459#

The conference call replay will be available from October 27, 2021 until 11:59pm ET on November 10, 2021.

For further information, visit our website at www.first-quantum.com or contact:

Bonita To, Director, Investor Relations (416) 361-3400 Toll-free: 1 (888) 688-6577 E-Mail: [email protected]