2nd Quarter Production

First Quantum Minerals REPORTS Q2 2011 PRODUCTION OF 64,500 TONNES OF COPPER AND 40,700 OUNCES OF GOLD

First Quantum Minerals Ltd. ("First Quantum" or the "Company", TSX Symbol "FM", LSE Symbol "FQM") today reported Q2 2011 production of 64,500 tonnes of copper and 40,700 ounces of gold. Production was affected by maintenance-related downtime at both operations and the processing of low-grade, high acid consuming oxide ore at the Kansanshi mine.

Finished copper inventory at June 30, 2011 decreased to approximately 39,000 tonnes of copper (Kansanshi 27,400 tonnes, Guelb Moghrein 11,600 tonnes), from the March 31, 2011 level of 40,121 tonnes.

Note: Production and stockpile numbers are preliminary and subject to final adjustment.

Further information will be published in the Company's report on operating and financial results for the second quarter and first half 2011 which is scheduled for release during the week of August 8, 2011.

On Behalf of the Board of Directors 12g3-2b-82-4461

of First Quantum Minerals Ltd. Listed in Standard and Poor's

G. Clive Newall

President

For further information visit our web site at www.first-quantum.com

North American contact: Sharon Loung, Director, Investor RelationsTel: (647) 346-3934 Fax: (604) 688-3818 Toll Free: 1 (888) 688-6577 E-Mail: [email protected] United Kingdom contacts: Clive Newall, PresidentTel: +44 140 327 3484 Fax: +44 140 327 3494 E-Mail: [email protected]or

Brian Cattell/James Devas, Maitland

Tel: +44 207 379 5151 Fax: +44 20 7379 6161 E-Mail: [email protected] E-Mail [email protected]

Certain information contained in this news release constitutes "forward-looking statements" within the meaning of the Private Securities Litigation Reform Act of 1995 and forward-looking information under applicable Canadian securities legislation. Such forward-looking statements or information, including but not limited to those with respect to the prices of gold, copper, cobalt and sulphuric acid, estimated future production, estimated costs of future production, the Company's hedging policy and permitting time lines, involve known and unknown risks, uncertainties, and other factors which may cause the actual results, performance or achievements of the Company to be materially different from any future results, performance or achievements expressed or implied by such forward-looking statements or information. Such factors include, among others, the actual prices of copper, gold, cobalt and sulphuric acid, the factual results of current exploration, development and mining activities, changes in project parameters as plans continue to be evaluated, as well as those factors disclosed in the Company's documents filed from time to time with the Alberta, British Columbia, and Ontario Securities Commissions, the Autorité des marchés financiers in Quebec, the United States Securities and Exchange Commission and the London Stock Exchange.