Lundin Mining Corporation (“Lundin Mining” or the “Company”) announced today the Candelaria Mine Workers Union (the “Union”), which represents approximately 350 workers at its Candelaria operation in Chile, has ratified a new 35-month collective agreement.

The safe ramp up of Candelaria to full capacity is now underway. The Company intends to reintroduce 2020 guidance for the operation within its annual guidance and outlook update to be issued next week.

Candelaria is committed to responsible, respectful, and fair negotiations with the best interests of our workers and the sustainability of our business in mind. As part of the collective bargaining cycle, agreements have been reached this year with all five unions

representing employees at the Candelaria Copper Mining Complex.

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.