Updated Share Capital and Voting Rights for Lundin Mining

TORONTO, May 31, 2019 - (TSX: LUN; Nasdaq Stockholm: LUMI) Lundin Mining Corporation ("Lundin Mining Corp." or the "Company") reports the following, in accordance with the Swedish Financial Instruments Trading Act:

The number of issued and outstanding shares of the Company has decreased to 735,456,290 common shares with voting rights as at May 31, 2019. The decrease in the number of issued and outstanding shares from May 1, 2019 to date is a result of the Company purchasing shares under the existing normal course issuer bid (the "NCIB"), partially offset by the exercise of employee stock options or the vesting of employee share units. All shares purchased under the NCIB were cancelled.

About Lundin Mining

Lundin Mining Corp. is a diversified Canadian base metals mining company with operations in Chile, the United States of America, Portugal and Sweden, primarily producing copper, nickel and zinc. In addition, Lundin Mining Corp. holds an indirect 24% equity stake in the Freeport Cobalt Oy business, which includes a cobalt refinery located in Kokkola, Finland.

The information in this release is subject to the disclosure requirements of Lundin Mining Corp. under the Swedish Financial Instruments Trading Act. The information was submitted for publication, through the agency of the contact persons set out below on May 31, 2019 at 4:30pm Eastern Time.

SOURCE Lundin Mining Corp. LUMI