Updated Share Capital and Voting Rights for Lundin Mining

Corporate Office UK Office

150 King Street West, Suite 1500 Hayworthe House, Market Place P.O. Box 38 Haywards Heath, West Sussex Toronto, ON M5H 1J9 RH16 1DB Phone: +1 416 342 5560 United Kingdom Fax: +1 416 348 0303 Phone: +44 (0) 1444 411 900 Fax: +44 (0) 1444 456 901

NEWS RELEASE

UPDATED SHARE CAPITAL AND VOTING RIGHTS FOR LUNDIN MINING

Toronto, December 30, 2015 (TSX: LUN; Nasdaq Stockholm: LUMI) Lundin Mining Corporation (“Lundin Mining” or the “Company”) reports the following, in accordance with the Swedish Financial Instruments Trading Act:

As a result of the exercise of employee stock options during the month of December, the number of issued and outstanding shares of the Company has increased to 719,618,057 common shares with voting rights as at December 30, 2015.

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

The information in this release is subject to the disclosure requirements of Lundin Mining under the Swedish Securities Market Act and/or the Swedish Financial Instruments Trading Act. This information was publicly communicated on December 30, 2015 at 5:00 p.m. Eastern Time.

FOR FURTHER INFORMATION PLEASE CONTACT:

John Miniotis Senior Manager, Corporate Development & Investor Relations +1-416-342-5565

Robert Eriksson Investor Relations, Sweden +46 8 545 015 50

Sonia Tercas Senior Associate, Investor Relations +1-416-342-5583