Lundin Mining Announces Updated Share Capital and Voting Rights

Corporate Office

885 West Georgia Street, Suite 2000 Vancouver, BC V6C 3E8 Phone: +1 604 689 7842 lundinmining.com

NEWS RELEASE

Lundin Mining Announces Updated Share Capital and Voting Rights

Vancouver, November 30, 2023 (TSX: LUN; Nasdaq Stockholm: LUMI) Lundin Mining Corporation (“Lundin Mining” or the “Company”) reports the following updated share capital and voting rights, in accordance with the Swedish Financial Instruments Trading Act:

The number of issued and outstanding shares of the Company has increased by 75,879 to 773,494,324 common shares with voting rights as of November 30, 2023. The increase in the number of issued and outstanding shares from November 1, 2023 to date is a result of the exercise of employee stock options or the vesting of employee share units.

About Lundin Mining

Lundin Mining is a diversified Canadian base metals mining company with operations and projects in Argentina, Brazil, Chile, Portugal, Sweden and the United States of America, primarily producing copper, zinc, gold and nickel.

The information in this release is subject to the disclosure requirements of Lundin Mining under the Swedish Financial Instruments Trading Act. The information was submitted for publication, through the agency of the contact persons set out below on November 30, 2023 at 14:30 Pacific Time.

For further information, please contact:

Stephen Williams, Vice President, Investor Relations: +1 604 806 3074 Robert Eriksson, Investor Relations Sweden: +46 8 440 54 50