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LUN.TO ·

Lundin Mining Announces Senior Technical Leadership Additions

Management Changes

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 Senior Technical Leadership Additions

Toronto, December 10, 2021 (TSX: LUN; Nasdaq Stockholm: LUMI) Lundin Mining Corporation (“Lundin Mining”

or the “Company”) is pleased to announce the appointment of Mr. Patrick Boitumelo as Senior Vice President,

Technical Services and Growth, and Mr. Arman Barha as Vice President, Technical Services , effective

February 1, 2022.

“We are excited to have Patrick and Arman join our Lundin Mining team in key technical roles. Their leadership and

experience are valuable additions in further enhancing the technical expertise and bench strength across our

Company and will complement recent senior technical hires at our operations,” said Peter Rockandel, President and

Chief Executive Officer. “Patrick will be assuming overall responsibility for our Technical Services, Exploration and

Projects teams, reporting directly to myself. We look forward to welcoming Patrick and Arman to our team in the

Toronto office early next year.”

Mr. Boitumelo is joining Lundin Mining from Vale Canada Limited, where he was the North Atlantic Head of Mining

and Milling for Base Metals, prior to which he was Global Head of Technology and Innovation. He brings over 20

years of experience in senior technical and management roles. Prior to Vale Base Metals, Mr. Boitumelo held a

number of roles with Rio Tinto, including President and Chief Operating Officer of Diavik Diamond Mines, and

General Manager, Projects and Contractor Management and Engineering and Projects at Rio Tinto Kennecott. He

holds an Honours Bachelor of Engineering in Mineral Processing from the University of Leeds and a Master of

Business Leadership from the University of South Africa.

Mr. Barha is joining the Company from BHP, where he was the Vice President Resource Planning and Development

for Minera Escondida, in Chile. Mr. Barha has over 20 years of experience in progressively senior technical

positions with BHP in Chile and globally, including technical services, business development and engineering roles.

He holds an Honours Bachelor of Applied Science in Mining and Mineral Process Engineering and a Master of

Business Administration from the University of British Columbia.

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 December 10, 2021 at 13:00 Eastern Time.

For further information, please contact:

Mark Turner, Director, 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

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; 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 Company’s Responsible Mining M anagement 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 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 ident ify 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 labor; 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 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 mining including but not limited to risks to the environment, industrial accidents, catastrophic equipment failures,

unusual or unexpected geological formations or unstable ground conditions, and natural phenomena such as earthquakes, floodin g or unusually severe weather;

uninsurable risks; global financial conditions and inflation; changes in the Company’s share price, and volatility in the equity markets in general; volatility and fluctuations

in metal and commodity prices; the threat associated with outbreaks of viruses and infectious diseases, including the COVID-19 virus; changing taxation regimes; reliance

on a single asset; delays or the inability to obtain, retain or comply with permits; risks related to negative publicity with respect to the Company or the mining industry in

general; health and safety risks; exploration, developm ent or mining results not being consistent with the Company’s expectations; unavailable or inaccessible

infrastructure and risks related to ageing infrastructure; actual ore mined and/or metal recoveries varying from Mineral Resource and Mineral Reserve estimates, estimates

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 mineral deposits including but not limited to models relating thereto; ore processing efficiency; community and stakeholder opposition;

information technology and cybersecurity risks; potential for the allegation of fraud and corruption involving the Company, i ts customers, suppliers or employees, or the

allegation of improper or discriminatory employment practices, or human rights violations; regulatory investigations, enforce ment, sanctions and/or related or other

litigation; uncertain political and economic environments, including in Brazil and Chile; risks associated with the structural stability of waste rock dumps or tailings storage

facilities; estimates of future production and operations; estimates of operating, cash and all -in sustaining cost estimates; civil disruption in Chile; the potential for and

effects of labor disputes or other unanticipated difficulties with or shortages of labor or interruptions in production; risk s related to the environmental regulation and

environmental impact of the Company’s operations and products and management thereof; exchange rate fluctuations; reliance on third parties and consultants in

foreign jurisdictions; climate change; risks relating to attracting and retaining of highly skilled employees; compliance wit h environmental, health and safety laws;

counterparty and credit risks and customer concentration; litigation; risks inherent in and/or associated with operating in f oreign countries and emerging markets; risks

related to mine closure activities and closed and historical sites; changes in laws, regulations or policies including but not limited to those related to mining regimes,

permitting and approvals, environmental and tailings management, labor, trade relations, and transportation; internal control s; challenges or defects in title; the

estimation of asset carrying values; historical environmental liabilities and ongoing reclamation obligations; the price and availability of key operating supplies or services;

competition; indebtedness; compliance with foreign laws; existence of significa nt shareholders; liquidity risks and limited financial resources; funding requirements and

availability of financing; enforcing legal rights in foreign jurisdictions; dilution; risks relating to dividends; 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;

activist shareholders and proxy solicitation matters; and other risks and uncertainties, including but not limited to those described in the “Risk 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, 2020, w hich are available on SE DAR 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 and uncertainties materialize, or should underlyi ng 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 oblig ation to update or revise

forward‐looking information or to explain any material difference between such and subsequent actual even ts, except as required by applicable law.