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LUN.TO ·

First Quarter 2020 Results Conference Call and Webcast

Financials

Corporate Office

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 to Release First Quarter 2020 Results April 29, 2020

Toronto, April 21, 2020 (TSX: LUN; Nasdaq Stockholm: LUMI) Lundin Mining Corporation (“Lundin Mining” or the “Company”) announces that the report for the first quarter ended March 31, 2020 will be published on Wednesday, April 29, 2020.

First Quarter 2020 Results Conference Call and Webcast

The Company will hold a telephone conference call and webcast at 08:00 ET, 14:00 CET on Thursday, April 30, 2020. Conference call details are provided below. Please call in 10 minutes before the conference starts.

Call-in number for the conference call (North America): +1 647 788-4922 Call-in number for the conference call (North America Toll Free): +1 877 223-4471 Call-in number for the conference call (Sweden): 02 079 4343

To view the live webcast presentation, please log on using this direct link:

https://onlinexperiences.com/Launch/QReg/ShowUUID=EB405AEA-B03E-4E34-B61B-D842D620F783

The presentation slideshow will also be available in PDF format on the Lundin Mining website www.lundinmining.com before the conference call.

A replay of the telephone conference will be available after the completion of the call until May 14, 2020.

Call-in numbers for the replay are (North America): +1 800 585 8367 or +1 416 621 4642 The passcode for the replay is: 9176365

A replay of the webcast will be available by clicking on the direct link above.

About Lundin Mining

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

For further information, please contact:

Mark Turner, Director, Business Valuations and Investor Relations: +1 416 342 5565 Brandon Throop, Manager, Investor Relations: +1 416 342 5583 Robert Eriksson, Investor Relations Sweden: +46 8 440 54 50