Preliminary production and sales data of the KGHM Polska Miedź S.A.Group for May 2025

The Management Board of KGHM Polska Miedź S.A. hereby provides attachedpreliminary production and sales data of the KGHM Polska Miedź S.A.Group for May 2025. The final quarterly production and sales resultswill be published in the consolidated report for the first half of 2025.

Legal basis: Art. 17 (1) of MAR (Regulation (EU) No 596/2014 of theEuropean Parliament and of the Council of 16 April 2014 on market abuse(market abuse regulation) and repealing Directive 2003/6/EC of theEuropean Parliament and of the Council and Commission Directives2003/124/EC, 2003/125/EC and 2004/72/EC