Lundin Mining Files Updated Technical Report for the Eagle Mine

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NEWS RELEASE

Lundin Mining Files Updated Technical Report for the Eagle

Mine

Toronto, April 26, 2017 (TSX: LUN; OMX: LUMI) Lundin Mining Corporation (“Lundin Mining” or the

“Company”) is pleased to announce that today that it has filed an updated technical report for the Eagle

Mine in Michigan, U.S.A. (the "Technical Report"). The Technical Report incorporates updates with

respect to current Eagle Mine operations and the results of the Feasibility Study on the high-grade Eagle

East nickel/copper mineralization , including an updated Mineral Resource estimate and a maiden

Mineral Reserve estimate, as previously disclosed by the Company in its April 10, 2017 news release.

The Technical Report was prepared in accordance with the Canadian Securities Administrator's National

Instrument 43-101 – Standards of Disclosure for Mineral Projects , and is available for review under the

Company's pr ofile on SEDAR (www.sedar.com) and on the Company’s website

(www.lundinmining.com).

About Lundin Mining

Lundin Mining is a diversified Canadian base metals mining company with operations in Chile, the United

States of America, Portugal, and Sweden, primarily producing copper, nickel and zinc. In addition, Lundin

Mining holds an indirect 24 percent equity stake in the Freeport Cobalt Oy business, which includes a

cobalt refinery located in Kokkola, Finland.

On Behalf of the Board,

Paul Conibear

President and CEO

The information in this release is subject to the disclosure requirements of Lundin Mining under the

EU Market Abuse Regulation and the Swedish Securities Market Act. This information was publically

communicated on April 26, 2017 at 5:00 p.m. Eastern Time.

For further information, please contact:

Mark Turner, Director, Business Valuations and Investor Relations: +1-416-342-5565

Sonia Tercas, Senior Associate, Investor Relations: +1-416-342-5583

Robert Eriksson, Investor Relations Sweden: +46 8 545 015 50

Cautionary Statement in Forward-Looking Information

Corporate Office

150 King Street West, Suite 1500

P.O. Box 38

Toronto, ON M5H 1J9

Phone: +1 416 342 5560

Fax: +1 416 348 0303

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All statements made and information contained herein, other than statements of historical fact and historical information, is

“forward-looking information” within the meaning of applicable Canadian securities laws . Such statements include , those with

respect to focus and strategy . Such statements include, but are not limited to, the results of the Eagle East Feasibility Study and

such other or similar studies on the Eagle Mine, including but not limited to Mineral Re source and Mineral Reserve estimates, as

incorporated in Technical Report or otherwise, and references thereto. Words such as ”assumption”, “estimate”, “expectations”,

and “Feasibility Study”, or variations of these terms or similar terminology or statements that cert ain actions, events or results

could, may or will occur or be achieved are intended to identify such forward- looking information. Forward-looking information

is based on a number of assumptions , estimates and expectations that, while co nsidered reasonable by the Company as of the

date of such statements, are inherently subject to significant business, economic , competitive and other risks, uncertainties and

contingencies which could cause such assumptions, estimates and expectations to b e in correct and actual events or results to

differ from those reflected in the forward -looking statements. The assumptions, estimates and expectations referenced,

contained or incorporated by reference in this news release which may prove to be incorrect , include, but are not limited to,

those set forth herein in the Technical Report. The risks , uncertainties and contingencies that could cause assumptions,

estimates and expectations to be incorrect and actual results to differ materially from those projected in the forward- looking

statements, include those described in the “ Risks and Uncertainties ” section of the Company’s most recently filed Annual

Information Form ("2017 AIF") and in the “Managing Risks ” of the Company’s full -year 2016 Management's Discussion and

Analysis ("2016 MD&A") . All of the forward -looking statements made or referenced herein are qualified by these cauti onary

statements and those made in the Company’s other news release dated April 10, 2017 regarding the Eagle East Feasibility Study,

as well as the aforementioned cautionary statements in the Company’s 2017 AIF and 2016 MD&A. Should one or more of these

risks, uncertainties and contingencies materialize, or should underlying assumptions , estimates or expectations prove incorrect,

actual results may vary materially from those described in forward- looking statements. Accordingly, readers are advised not to

place undue reliance on forward-looking statements. The Company disclaims any intention or obligation to update or revise any

forward-looking statements or to explain any material difference between subsequent actual events and such forward- looking

statements, except to the extent required by applicable law.