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Lundin Mining Announces Annual Meeting Voting Results

Shareholder Meetings

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 Annual Meeting Voting Results

Vancouver, May 10, 2024 (TSX: LUN; Nasdaq Stockholm: LUMI) Lundin Mining Corporation (“Lundin Mining” or the “Company”) today announced the voting results from its 2024 Annual and Special Meeting of Shareholders (the “Meeting”). A total of 610,859,421 common shares were voted at the Meeting, representing 78.81% of the votes attached to all outstanding common shares as of the record date March 22, 2024. Shareholders voted in favour of all items of business considered at the Meeting, as follows:

% For% Against
Director Nominees Adam I. Lundin C. Ashley Heppenstall Donald K. Charter Juliana L. Lam Jack O. A. Lundin Dale C. Peniuk Maria Olivia Recart Natasha N.D. Vaz93.67% 90.66% 97.38% 99.39% 98.62% 96.10% 95.23% 99.88%6.33% 9.34% 2.62% 0.61% 1.38% 3.90% 4.77% 0.12%
% For% Withhold
Appointment of Auditors PricewaterhouseCoopers LLP98.13%1.87%
% For% Against% Abstain
Advisory Vote on the Company’s Approach to Executive Compensation.94.37%5.56%0.07%
% For% Withhold
An amendment to the articles of amalgamation of Lundin Mining the Corporation (as amended) (the "Articles") to change the province of the registered office of Lundin Mining the Corporation from Ontario to British Columbia.99.97%0.03%
% For% Withhold
An amendment to the Articles to remove one special share from Lundin Mining's authorized share capital.99.96%0.04%

Chair of the Board, Lead Director, and Board Committee Appointments

The Board of Directors (the “Board”) is pleased to announce the reappointment of Mr. Adam Lundin as the Chair of the Board and Mr. Ashley Heppenstall as Lead Director.

The Board is also pleased to announce the composition of the Board Committees and each Committee Chair as noted in the table below:

Corporate Governance and Nominating CommitteeHuman Resources / Compensation Committee
Dale C. Peniuk (Chair) C. Ashley Heppenstall Juliana L. LamDonald K. Charter (Chair) C. Ashley Heppenstall Dale C. Peniuk

Safety, Sustainability and Audit Committee Technical Committee

Dale C. Peniuk (Chair) Natasha N.D. Vaz (Chair)

C. Ashley Heppenstall Donald K. Charter

Juliana L. Lam Adam I. Lundin

Maria Olivia Recart

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 May 10, 2024 at 18:00 Pacific Time.

Detailed voting results for the Meeting are available on SEDAR+ at www.sedarplus.com.

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