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Lundin Mining Announces 2020 Production Guidance Achieved for All Metals; Fourth Quarter and Full Year 2020 Results to be Released February 18, 2021

Production Results 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 Announces 2020 Production Guidance Achieved for All Metals;

Fourth Quarter and Full Year 2020 Results to be Released February 18, 2021

Toronto, January 20, 2021 (TSX: LUN; Nasdaq Stockholm: LUMI) Lundin Mining Corporation (“Lundin Mining”

or the “Company”) announces production results for the three and twelve months ended December 31, 20 20. The

consolidated financial results for the year ended December 31, 2020 will be published on February 18, 2021.

Highlights

• 2020 annual production guidance achieved for all metals. Production of 230,781 t of copper was at the

upper end of the guidance range and gold production of 163,000 oz exceeded guidance.

• Candelaria copper and gold production both exceeded annual guidance. The operation safely returned

to full production capacity in December 2020 after reaching new collective union agreements and the

upgrade installation of the fourth and final ball mill motor as part of the Candelaria Mill Optimization

Project (CMOP). The CMOP is now complete.

• Chapada copper and gold production both exceeded annual guidance. Chapada returned to full

processing capacity in December 2020 after installation of a second repaired motor on the ball mill.

• Eagle achieved strong and consistent operating performance again in 2020. Nickel and copper production

both achieved annual guidance, with copper production approaching the upper bound of the guidance

range.

• Neves-Corvo achieved annual copper production guidance and zinc production was within 1kt of

guidance. The Zinc Expansion Project (ZEP), to double current zinc production capacity and improve per

unit operating cost, was officially restarted in early January 2021.

• Zinkgruvan zinc and copper production both achieved annual production guidance, with zinc approaching

the upper bound of the guidance range. 2020 zinc production finished strong, with a grade-driven significant

increase in production during the fourth quarter.

• Continuing the trend of improvement, Lundin Mining achieved its best ever Total Recordable Injury

Frequency (TRIF) rate in 2020 with a rate of 0.55 against a target of 0.60 per 200,000 person hours worked.

While this achievement was dampened by the fatality at Neves -Corvo in the third quarter , the excellent

overall safety result was realized during a challenging year and reflects project activities at Candelaria and

Neves-Corvo ZEP, a s well as significant changes to work practices, workplaces and work schedules to

ensure our workforce and local communities were protected from the spread of COVID-19.

• Year-end 2020 net debt position was approximately $65 million.

Summary of 2020 Production

Q4 2020

Production

Full Year 2020

Production

2020 Production

Guidance1

Copper (t)

Candelaria (100% basis) 19,509 126,702 120,000 - 125,000

Chapada 11,368 50,038 45,000 - 50,000

Eagle 5,128 18,663 17,000 - 19,000

Neves-Corvo 5,880 32,032 32,000 - 34,000

Zinkgruvan - 3,346 3,000 - 4,000

Total Copper 41,885 230,781 217,000 - 232,000

Zinc (t)

Neves-Corvo 16,750 69,143 70,000 - 72,000

Zinkgruvan 24,678 73,601 72,000 - 74,000

Total Zinc 41,428 142,744 142,000 - 146,000

Gold (oz)

Candelaria (100% basis) 13,000 76,000 70,000 - 75,000

Chapada 22,000 87,000 80,000 - 85,000

Total Gold 35,000 163,000 150,000 - 160,000

Nickel (t)

Eagle 4,909 16,718 15,000 - 18,000

Total Nickel 4,909 16,718 15,000 - 18,000

Fourth Quarter and Full Year 2020 Results Date

Results for the fourth quarter and full year ended December 31, 20 20 will be published on Thursday

February 18, 2021.

The Company will hold a telephone conference call and webcast at 08:00 ET, 14:00 CET on Friday February 19, 2021.

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 00 123 522

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

https://onlinexperiences.com/Launch/QReg/ShowUUID=65DB13F5-4368-40A3-AD28-644F121D63BA

The presentation slideshow will also be available in PDF format on the Lundin Mining website

www.lundinmining.com before the conference call.

1 Guidance as most recently disclosed in the Company’s Management Discussion and Analysis for the three and nine months ended September 30, 2020 for Chapada, Eagle,

Neves-Corvo and Zinkgruvan. Guidance for Candelaria as most recently disclosed in the Company’s news release of November 30, 2020 entitled, “Lundin Mining Provides

Operational Outlook & Shareholder Returns Update.”

A replay of the telephone conference will be available after the completion of the call until March 21, 2021.

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

The passcode for the replay is: 1197895

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.

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 January 20, 2021 at 16:30 Eastern Time.

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

Cautionary Statement on Forward-Looking Information

Certain of the statements made and information contained herein is “forward -looking information” within the meaning of applicable Canadian securities laws. All

statements other than statements of historical facts included in this document constitute forward-looking information, including but not limited to statements regarding

the Company’s plans, prospects and business strategies; the Company’s guidance on the timing and amount of future production and its expectations regarding the results

of operations; expected costs; permitting requirements and timelines; timing and possible outcome of pending litigation or labour disputes; timing for any required repairs

and resumption of any interrupted operations; the results of any Feasibility Study, or Mineral Resource and Mineral Reserve estimations, life of mine estimates, and mine

and mine closure plans; anticipated market prices of metals, currency exchange rates, and interest rates; the development and implementation of the Compan y’s

Responsible Mining Management System; the Company’s ability to comply with contractual and permitting or other regulatory requirements; anticipated exploration and

development activities at the Company’s projects; and the Company’s integration of acqui sitions and any anticipated benefits thereof. Words such as “believe”, “expect”,

“anticipate”, “contemplate”, “target”, “plan”, “goal”, “aim”, “intend”, “continue”, “budget”, “estimate”, “may”, “will”, “can”, “could”, “should”, “schedule” and similar expressions

identify forward-looking statements.

Forward-looking information is necessarily based upon various estimates and assumptions including, without limitation, the expectatio ns and beliefs of management,

including that the Company can access financing, appropriate equipment and sufficient labour; assumed and future price of copper, nickel, zinc, gold and other metals;

anticipated costs; ability to achieve goals; the prompt and effective integration of acquisitions; that the political environment in which the Company operates will continue

to support the development and operation of mining projects; and assumptions related to the factors set forth below. While these factors and assumptions are considered

reasonable by Lundin Mining as at the date of this document in light of management’s experience and perception of current conditions and expected developments, these

statements are inherently subject to significant business, economic and competitive uncertainties and contingencies. Known an d unknown factor s could cause actual

results to differ materially from those projected in the forward -looking statements and undue reliance should not be placed on such statements and information. Such

factors include, but are not limited to: volatility and fluctuations in metal and commodity prices; global financial conditions and inflation; risks inherent in mining including

but not limited to risks to the environment, industrial accidents, catastrophic equipment failures, unusual or unexpected geo logical formations or u nstable ground

conditions, and natural phenomena such as earthquakes, flooding or unusually severe weather; uninsurable risks; changes in the Company’s share price, and volatility in

the equity markets in general; the threat associated with outbreaks of viruses and infectious diseases, including the novel COVID-19 virus; risks related to negative publicity

with respect to the Company or the mining industry in general; reliance on a single asset; potential for the allegation of fr aud and corruption involving the Company, its

customers, suppliers or employees, or the allegation of improper or discriminatory employment practices, or human rights viol ations; actual ore mined and/or metal

recoveries varying from Mineral Resource and Mineral Reserve estimates, est imates of grade, tonnage, dilution, mine plans and metallurgical and other characteristics;

risks associated with the estimation of Mineral Resources and Mineral Reserves and the geology, grade and continuity of miner al deposits including but not limited t o

models relating thereto; ore processing efficiency; risks inherent in and/or associated with operating in foreign countries and emerging markets; security at the Company’s

operations; changing taxation regimes; health and safety risks; exploration, devel opment or mining results not being consistent with the Company’s expectations;

unavailable or inaccessible infrastructure and risks related to ageing infrastructure; counterparty and credit risks and cust omer concentration; risks related to the

environmental regulation and environmental impact of the Company’s operations and products and management thereof; exchange rate fluctua tions; reliance on third

parties and consultants in foreign jurisdictions; community and stakeholder opposition; civil disruption; the potential for and effects of labour disputes or other

unanticipated difficulties with or shortages of labour or interruptions in production; uncertain political and economic envir onments; litigation; regulatory investigations,

enforcement, sanctions and/or related or other litigation; risks associated with the structural stability of waste rock dumps or tailings storage faci lities; changes in laws,

regulations or policies including but not limited to those related to mining regimes, permitting and appro vals, environmental and tailings management, labour, trade

relations, and transportation; climate change; compliance with environmental, health and safety laws; enforcing legal rights in foreign jurisdictions; information technology

and cybersecurity risks; estimates of future production and operations; estimates of operating, cash and all -in sustaining cost estimates; delays or the inability to obtain,

retain or comply with permits; compliance with foreign laws; risks related to mine closure activities and closed and historical sites; challenges or defects in title; the price

and availability of key operating supplies or services; historical environmental liabilities and ongoing reclamation obligati ons; indebtedness; funding requirements and

availability of financing; liquidity risks and limited financial resources; risks relating to attracting and retaining of highly skilled employees; risks associated with acquisitions

and related integration efforts, including the ability to achieve anticipated benefits, unanticipated difficulties or expenditures relating to integration and diversion of

management time on integration; the estimation of asset carrying values; internal controls; competition; dilution; existence of significant shareholders; conflicts of interest;

activist shareholders and proxy solicitation matters; risks relating to dividends; risks associated with business arrangement s and partners over which the Company does

not have full control; and other risks and uncertainties, including but not limited to those described in the “Risks and Uncertainties” section of the Annual Information

Form and the “Managing Risks” section of the Company’s MD&A for the year ended December 31, 2019, and the quarter end September 30, 2020, which are available on

SEDAR at www.sedar.com under the Company’s profile. All of the forward-looking statements made in this document are qualified by these cautionary statements. Although

the Company has attempted to identify important factors that could cause actual results to differ materially from those conta ined in forward-looking information, there

may be other factors that cause results not to be as anticipated, estimated, forecast or intended and readers are cautioned t hat the foregoing list is not exhaustive of all

factors and assumptions which may have been used. Should one or more of these risks and uncertainties materialize, or should underlying assumptions prove incorrect,

actual results may vary materially from those described in forward -looking information. Accordingly, there can be no assurance that forward -looking information will

prove to be accurate and forward -looking information is not a guarantee of future performance. Readers are advised not to place undue reliance on forward -looking

information. The forward-looking information contained herein speaks only as of the date of this document. The Company disclaims any intention or obligation to update

or revise forward‐looking information or to explain any material difference between such and subsequent actual events, except as required by ap plicable law.