FQM.L Regulatory News (FQM)

First Quantum Minerals TO PUBLISH FIRST QUARTER 2011 RESULTS

ON MAY 09, 2011

First Quantum Minerals Ltd. ("First Quantum" or the "Company", TSX Symbol "FM", LSE Symbol "FQM")will publish its first quarter 2011 results on Monday May 09, 2011, before the open of the TSX. Following the release, the Company's President, Clive Newall, will host a conference call and webcast to discuss the results at 9:00 am (EST).

Conference call and webcast details are as follows:

Date: Monday May 09, 2011

Time: 6:00 am (PST); 9:00 am (EST); 2:00 pm (BST)

Webcast: www.first-quantum.com

Dial in: Canada and international: 416-695-6616

Toll free North America: 1-800-952-6845

Toll free United Kingdom: 00-800-4222-8835

Replay: Canada and international: 905-694-9451

Toll free North America: 1-800-408-3053

Replay Passcode: 7644302

The conference call replay will be available until 11:59 pm (PST) on May 16, 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: sharon.loung@fqml.com United Kingdom contacts: Clive Newall, PresidentTel: +44 140 327 3484 Fax: +44 140 327 3494 E-Mail: clive.newall@fqml.comor

Brian Cattell/James Devas, Maitland

Tel: +44 207 379 5151 Fax: +44 20 7379 6161 E-Mail: jdevas@maitland.co.uk E-Mail bcattell@maitland.co.uk