Lundin Mining Announces Passing of Board Member Ms. Karen Poniachik

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150 King Street West, Suite 2200 P.O. Box 38, Toronto, ON M5H 1J9 Phone: +1 416 342 5560 Fax: +1 416 348 0303 lundinmining.com

NEWS RELEASE

Lundin Mining Announces Passing of Board Member Ms. Karen Poniachik

Toronto, October 12, 2022 (TSX: LUN; Nasdaq Stockholm: LUMI) Lundin Mining Corporation (“Lundin Mining” or the “Company”) is saddened to announce the passing of Board member Ms. Karen Poniachik, in Chile.

“On behalf of Lundin Mining employees and our Board of Directors, we extend our heartfelt condolences to Ms. Poniachik’s family and friends,” said Chairman Adam Lundin. “Karen brought a wealth of experience, wisdom and insight to our Board gained through her distinguished career and many contributions to mining in Chile. She will be greatly missed by many.”

Ms. Poniachik has been on Lundin Mining’s Board of Directors since February 2021.

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 EU Market Abuse Regulation. The information was submitted for publication, through the agency of the contact persons set out below on October 12, 2022 at 13:00 Eastern Time.

For further information, please contact:

Mark Turner, Vice President, Business Valuations and Investor Relations: +1 416 342 5565 Irina Kuznetsova, Manager, Investor Relations: +1 416 342 5583 Robert Eriksson, Investor Relations Sweden: +46 8 440 54 50