First Quantum Minerals Reports Q2 2010 Production of 85,400 Tonnes of Copper and 51,400 Ounces of Gold

VANCOUVER, BRITISH COLUMBIA--(Marketwire - July 20, 2010) - First Quantum Minerals Ltd. ("First Quantum" or the "Company") (TSX:FM)(LSE:FQM) today reported second quarter production of 85,400 tonnes of copper and 51,400 ounces of gold. Copper production was lower than planned principally due to management's decision to cut-back capital investment at the Frontier mine during the quarter. This decision was a consequence of the uncertainty regarding the Frontier mine following the legal proceedings instigated by the Democratic Republic of Congo ("RDC") state-owned mining agency, Societe de Developpement Industriel et Minier du Congo ("Sodimico"). Full details of the proceedings and the RDC Supreme Court of Justice decision were reported by the Company on May 23, 2010. The Company will continue to manage the capital investment at Frontier in this manner until a satisfactory clarification of the decision by the Supreme Court is received. As a result, the Company's total copper production estimate for 2010 has been revised to 360,000 tonnes.

	Second Quarter				Six Months
Operation	2010	2009	2010	2009	2010	2009	2010	2009
	Copper (tonnes)		Gold (ounces)		Copper (tonnes)		Gold (ounces)
Kansanshi	56,100	60,392	26,900	20,117	109,700	121,230	51,200	42,110
Guelb Moghrein	10,400	8,036	24,500	20,371	18,800	17,367	44,900	45,142
Frontier	16,200	24,058	-	-	37,000	43,329	-	-
Bwana Mkubwa	2,700	-	-	-	5,000	-	-	-

Total	85,400	92,486	51,400	40,488	170,500	181,926	96,100	87,252

Finished copper inventory at June 30, 2010 increased to approximately 40,300 tonnes of copper (Kansanshi 20,600 tonnes, Frontier 10,400 tonnes, Guelb Moghrein 8,800 tonnes and Bwana Mkubwa 500 tonnes), from the March 31, 2010 level of 29,500 tonnes. The increase from Q1 is mainly due to the change in accounting necessary for sales to MetalCorp, the Company's wholly-owned metal marketing division, which was established in February, 2010. Whereas previously sales were recorded at the mine gate, sales by MetalCorp are recorded when delivered to independent third-party purchasers.

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

Further information will be published in the Company's second quarter operating and financial results scheduled for release during the week of August 10, 2010.

On Behalf of the Board of Directors of First Quantum Minerals Ltd.

G. Clive Newall, President

12g3-2b-82-4461

Listed in Standard and Poor's

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 Autorite des marches financiers in Quebec, the United States Securities and Exchange Commission and the London Stock Exchange.

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First Quantum Minerals Reports Q2 2010 Production of 85,400 Tonnes of Copper and 51,400 Ounces of Gold