Lundin Mining to Release First Quarter 2015 Results Wednesday

Corporate Office UK Office

150 King Street West, Suite 1500 Hayworthe House, P.O. Box 38 Market Place, Haywards Heath Toronto, ON M5H 1J9 West Sussex, RH16 1DB United Kingdom Phone: +1 416 342 5560 Fax: +1 416 348 0303 Phone: +44 (0) 1444 411 900

NEWS RELEASE

Lundin Mining to Release First Quarter 2015 Results Wednesday, April 29, 2015

Telephone Conference to be held on Thursday, April 30, at 08:00am Eastern Time (ET), 14:00 Central European Time (CET).

April 9, 2015 (TSX: LUN; OMX: LUMI) Lundin Mining Corporation (“Lundin Mining” or the “Company”) announces that the report for the first quarter period ended March 31, 2015 will be published after the close of the trading day in Toronto on Wednesday, April 29, 2015.

The Company will hold a telephone conference call and webcast at 08:00am ET, 14:00 CET on Thursday, April 30, 2015. Conference call details are provided below:

Please call in 10 minutes before the conference starts and stay on the line (an operator will be available to assist you).

Call-in number for the conference call (North America): +1 416 340 8527 Call-in number for the conference call (North America Toll Free): +1 800 396 7098 Call-in number for the conference call (Europe Toll Free): +00 800 6578 9868

To view the live webscast presentation, please log on using this direct link:

http://www.investorcalendar.com/IC/CEPage.asp?ID=173917

The presentation slideshow will also be available in PDF format for download from the Lundin Mining website www.lundinmining.com before the conference call.

A replay of the telephone conference will be available after the completion of the conference call until May 7, 2015.

Replay numbers:

North America: +1 905 694 9451 The pass code for the replay is: 7965715

About Lundin Mining

Lundin Mining Corporation is a diversified base metals mining company with operations in Chile, Portugal, Sweden, Spain and the United States, producing copper, zinc, lead and nickel. In addition, Lundin Mining holds a 24% equity stake in the world-class Tenke Fungurume copper/cobalt mine in the Democratic Republic of Congo and in the Freeport Cobalt Oy business, which includes a cobalt refinery located in Kokkola, Finland.

On Behalf of the Board,

Paul Conibear President and CEO

For further information, please contact:

Sophia Shane, Investor Relations North America: +1-604-689-7842 John Miniotis, Senior Manager Corp Development & Investor Relations: +1-416-342-5565 Robert Eriksson, Investor Relations Sweden: +46 8 545 015 50