Mr. Robert Eriksson reports

LUNDIN MINING ANNOUNCES UPDATED SHARE CAPITAL AND PROVIDES UPDATE ON SHARE BUYBACKS

Lundin Mining Corp. has released the following updated share capital and voting rights information, in accordance with the Swedish Financial Instruments Trading Act.

The number of issued and outstanding shares of the company increased by 250,552 to 855,610,391 common shares with voting rights as of April 30, 2026. The increase in the number of issued and outstanding shares from April 1, 2026, to date is the result of the exercise of employee stock options or the vesting of employee share units, offset by share buybacks completed under the normal course issuer bid.

Normal course issuer bid

Under the company's shareholder distribution policy, the company is committed to allocating up to $150-million (U.S.) in annual share buybacks through the NCIB program. So far during 2026, Lundin Mining has acquired 1,500,094 common shares at a cost of approximately $42-million (U.S.).

About Lundin Mining Corp.

Lundin Mining is a Canadian mining company headquartered in Vancouver, Canada with three operating mines in Brazil and Chile. We produce metals that underpin global development, supporting infrastructure, electrification, technological innovation, and economic resilience.