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LUN.TO ·

Lundin Mining Provides Update on Readiness and Response to COVID-19, and Operational and Guidance Update

Mine Development & Operations

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 Provides Update on Readiness and Response to COVID-19, and

Operational and Guidance Update

Toronto, March 25, 2020 (TSX: LUN; Nasdaq Stockholm: LUMI) Lundin Mining Corporation (“Lundin Mining”

or the “Company”) announced today the Company and each of its operations are continuing to manage and

respond to COVID -19 within the framework of the Company’s Pandemic Response Plan, recommendations of

health authorities and local and national regulatory requirements.

COVID-19 Readiness and Response Update

COVID-19 is a global threat which requires a united response from governments, industry and our communities

to ensure the safety, health and well-being of all. Lundin Mining has taken numerous steps to ensure needs are

being addressed in the communities and regions in which we operate. Our operations have shared action plans

and preventative measures being implemented , while seeking and considering input from our employees,

unions, contractors, and communities to ensure we are delivering responsive actions consistent with broader

efforts. Further, we are actively providing emergency support in the form of community donations of emergency

funding and supplies. These efforts will continue to be focused on reducing the spread of the virus and

supporting local health infrastructure.

Across Lundin Mining we continue to identify and implement measures to protect our workfor ce and

communities. We have implemented a number of measures including, but not limited to:

• All operations and offices have implemented travel restrictions, surveillance , monitoring and response

plans to reduce the risk of COVID-19 exposure and outbreak, including health screening of contractors,

visitors and employees when appropriate.

• Employees and contractors who have had incidental contact or exposure to someone who has been

diagnosed with the COVID -19 virus, as well as those who have travelled internationally, and at some

operations domestically, have been instructed to stay at home for 14 -days regardless of whether they

are showing symptoms. Suspected cases are being closely monitored and reported to health authorities

where appropriate.

• We are taking steps to limit visitors, contractors, and employees to our operations, and where necessary

temporarily suspend ing activities. On March 15, 2020, we announced that construction and

commissioning of our Zinc Expansion Project at Neves-Corvo would be placed on hold to reduce the risk

to our local communities, employees and contractors, as the workforce for the project includes many

contract employees who travel from other regions of Portugal and internationally. Additionally, at

several of our operations we have identified and curtailed non-essential activities, such as waste mining

and exploration to reduce exposure risk with less people at and commuting to site.

• A portion of our workforce is working from home to reduce interactions through commuting or close

contact with co -workers. This group, at certain operations , includes employees t hat fit COVID -19 risk

groups determined by public health authorities. We have temporarily closed many of our community

and satellite offices, while continuing to provide services virtually.

• Across all operations w e have limited access and implemented new procedures for areas where large

groups congregate like canteens , cafeterias, and change rooms. We have also enacted measures to

promote social distancing including modifying transportation and shift change routines. Awareness

campaigns are being carried out actively with our employees and contractors.

Operational & Guidance Update

There has been no material impact to production or shipment of concentrate from any of the Company’s

operations to date as a result of COVID -19. Additionally, there has been no significant disruption to the supply

chain of the Company’s operations. Lundin Mining and each of its operations continue to monitor and implement

business continuity measures to mitigate and minimize any potential impacts of the pandemic that might emerge

on our operations, supply chain and commercial activities.

As previously announced on March 15, 2020, c onstruction and commissioning activities directly related to the

Zinc Expansion Project at the Neves-Corvo operation in Portugal have been temporarily suspended until further

notice. The Company is continuing to assess the impacts of the temporary suspension of the project on the

timelines and budget and will provide an update once the assessments have been completed. Previously

provided zinc production and capital cost guidance for the Neves-Corvo operation , which includes the Zinc

Expansion Project, should no longer be relied upon.

Additionally, in preparing for what could be a sustained period of depressed prices for our primary metals , the

Company is actively identifying and reviewing measures across our operations and offices to reduce operating

costs and defer discretionary capital and exploration expenditures. The range of measures being assessed

include possible curtailment of non -essential projects and studies, deferral of waste mining, reduction in

exploration spending, and mine and processing plan modifications. As such, current production, C1 cash cost,

exploration spending and capital cost guidance for all operations is under review and may be amended to reflect

necessary modifications to our plans. The Company expects to provide an update on these measures and any

resulting revisions to guidance not later than the release of First Quarter 2020 Results.

Lundin Mining is in a strong financial position. The Company’s net debt position as at March 23, 2020 was

approximately $95 million, including $390 million of cash on hand. Included in the net debt position, $375 million

had been drawn on the Company’s secured revolving credit facility which has borrowing capacity of $800 million,

with a $200 million accordion option to total $1.0 billion, and term to August 2023.

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 March 25, 2020 at 20:30 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 in 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 histori cal 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 i ts expectations

regarding the results of operations; expected costs; permitting requirements and timelines; timing and possible outcome of pe nding litigation; the results of any

Preliminary Economic Assessment, 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 C ompany’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 acquisitions (such as the Chapada mine) 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 expectations 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 lig ht of management’s experience and perception of current conditions

and expected developments, these statements are inherently subject to significant business, economic and competitive uncertai nties and contingencies. Known and

unknown factors 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: risks inherent in and/or associated with ope rating in foreign countries; uncertain

political and economic environments; community activism, shareholder activism and risks related to negative publicity with re spect to the Company or the mining

industry in general; changes in laws, regulations or poli cies including but not limited to those related to permitting and approvals, environmental and tailings

management, labour, trade relations, and transportation; delays or the inability to obtain necessary governmental approvals and/or permits; regulatory

investigations, enforcement, sanctions and/or related or other litigation; risks associated with business arrangements and partners over which the Company does not

have full control; risks associated with acquisitions and related integration efforts (including with respect to the Chapada mine), including the ability to achieve

anticipated benefits, unanticipated difficulties or expenditures relating to integration and diversion of management time on integration; competition; development or

mining results not being consistent with the Company’s expectations; estimates of future production and operations; operating, cash and all -in sustaining cost

estimates; allocation of resources and capital; litigation; uninsurable risks; volatility and fluctuations in metal and commodity prices; the estimation of asset carrying

values; funding requirements and availability of financing; indebtedness; foreign currency fluctuations; interest rate volati lity; changes in the Company’s share price,

and equity markets, in general; changing taxation regimes; counterparty and credit risks; health and safety risks; risks related to the environmental impact of the

Company’s operations and products and management thereof; unavailable or inaccessible infrastructure and risks related to a geing infrastructure; risks inherent in

mining including but not limited to risks to the environment, industrial accidents, catastrophic equipment failures, unusual or unexpected geological formations or

unstable ground conditions; actual ore mined varying from estimates of grade, tonnage, dilution and metallurgical and other characteristics; ore processing efficiency;

risks relating to attracting and retaining of highly skilled employees; ability to retain key personnel; the potential for and effects of la bour disputes or other

unanticipated difficulties with or shortages of labour or interruptions in production; the price and availability of energy a nd key operating supplies or services; the

inherent uncertainty of exploration and development, and the pote ntial for unexpected costs and expenses including, without limitation, for mine closure and

reclamation at current and historical operations; risks associated with the estimation of Mineral Resources and Mineral Reserves and the geology, grade and continuity

of mineral deposits including but not limited to models relating thereto; actual ore mined and/or metal recoveries varying from Mineral Resource and Mineral Reserve

estimates; mine plans, and life of mine estimates; the possibility that future explorati on, development or mining results will not be consistent with expectations;

natural phenomena such as earthquakes, flooding, and unusually severe weather; potential for the allegation of fraud and corr uption involving the Company, its

customers, suppliers or employees, or the allegation of improper or discriminatory employment practices, or human rights violations; security at the Company’s

operations; breach or compromise of key information technology systems; materially increased or unanticipated reclamation obligations; risks related to mine closure

activities; risks related to closed and historical sites; title risk and the potential of undetected encumbrances; risks associated with the structural stability of waste rock

dumps or tailings storage facilities; and other risks and uncertainties, including but not limited to those described in the “Risk and Uncertainties” section of the Annual

Information Form for the year ended December 31, 2018 and the “Managing Risks” section of the Company’s MD&A for the year ended December 31, 2019, 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 contained 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 that the

foregoing list is not exhaustive of all factors and assumptions which may have been used. Should one or more of these risks a nd uncertainties materialize, or should

underlying assumptions prove incorrect, actual results may vary materially from th ose 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 mate rial difference between such and subsequent

actual events, except as required by applicable law.