(SeaPRwire) –   VANCOUVER, BC, April 28, 2026 – (TSX: LUN) (Nasdaq Stockholm: LUMI) Lundin Mining Corporation (“Lundin Mining” or the “Company”) is pleased to announce the release of its Swedish Annual Report for the year ended December 31, 2025. This report includes the Company’s inaugural Sustainability Statement (the “Statement”), prepared in compliance with the Swedish Annual Accounts Act, the European Sustainability Reporting Standards (“ESRS”), and Article 8 of the EU Regulation 2020/852 (the “EU Taxonomy”) under the EU Corporate Sustainability Reporting Directive (“CSRD”).

Lundin Mining has issued comprehensive reports since 2010 addressing critical environmental, health and safety, governance, and social issues for its communities, employees, investors, and stakeholders. The 2025 report introduces the Company’s first Sustainability Statement aligned with the CSRD, featuring enhanced disclosures and greater rigor as part of our commitment to responsible mining.

Jack Lundin, President and CEO, remarked, “We take pride in responsibly producing the metals essential to the world, achieved through disciplined environmental stewardship, strong community partnerships, and an unwavering focus on safety. Our first Sustainability Statement under the CSRD showcases the significant strides we have made, alongside the transparency, accountability, and high standards inherent in our business. As we grow, we are well-positioned to provide lasting value for all stakeholders while fostering a more sustainable future.”

2025 Highlights Include:

• We achieved a record Total Recordable Injury Frequency Rate (TRIFR) of 0.32¹, highlighting the effectiveness of our ongoing safety measures and the dedication of our teams.
• The Company progressed key greenhouse gas (GHG) emission reduction initiatives, notably at Chapada, where the operation’s electricity is now sourced from renewables. With this increased investment in renewable energy, all electricity powering Lundin Mining’s operations is now renewable. To further Scope 3 actions, the company has updated its Scope 3 emissions inventory and plans to identify key suppliers with established GHG emissions targets to support engagement.
• All active tailings facilities are fully compliant with the Global Industry Standard on Tailings Management.
• Direct community investments from the Company’s corporate office and sites amounted to approximately $9.3 million in 2025, supporting education, health, culture, community development, and small business growth.
• The Board surpassed the Company’s female representation target, with women holding 37.5% of director positions.

Annual Report

The 2025 Swedish Annual Report can be downloaded from the Company’s website at https://lundinmining.com/investors/financial-reports/ and has been filed in the European Single Electronic Format. The Sustainability Statement is also accessible as a standalone document at: https://lundinmining.com/sustainability/reports/.

About Lundin Mining

Lundin Mining is a Canadian mining firm based in Vancouver, Canada, with operations in Brazil and Chile. We produce metals that support global development, including infrastructure, electrification, technological innovation, and economic resilience. Our strategic goal is to become a top ten global copper producer. We are executing a clear growth strategy to achieve this, which includes advancing one of the world’s largest copper, gold, and silver projects in the Vicuña District on the Argentina-Chile border, where we hold a 50% interest. We also hold a 31% interest in the Los Helados project, adjacent to our operating Caserones mine, offering long-term growth options. Lundin Mining has a demonstrated history of value creation through resource growth, operational excellence, and responsible development. The Company’s shares are listed on the Toronto Stock Exchange (LUN) and Nasdaq Stockholm (LUMI). For more details, visit www.lundinmining.com.

This information is being released by Lundin Mining in accordance with the Swedish Securities Markets Act (Sw. lag (2007:528) om värdepappersmarknaden). The information was submitted for publication at 8:30 PM Pacific Time on April 28, 2026, through the agency of the contact persons listed below.

SOURCE Lundin Mining Corporation