Lundin Mining Announces Updated Share Capital and Voting Rights

Corporate Office

1055 Dunsmuir Street

Suite 2800, Bentall IV

Vancouver, BC V7X 1L2

Phone: +1 604 689 7842

lundinmining.com

NEWS RELEASE

Lundin Mining Announces Updated Share Capital and Voting Rights

Vancouver, December 31, 2024 (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 decreased by 2,809,587 to 774,102,971

common shares with voting rights as of December 31, 2024. The decrease in the number of issued and outstanding

shares from December 1, 2024 to date is the result of share buy backs completed under the normal course issuer

bid, offset by 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 projects or operations 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 December 31, 2024 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