The Management Board of KGHM Polska Miedź S.A. (“the Company”) announces that on 2 June 2025, the Supervisory Board of the Company decided to dismiss all Members of the 11^th term Management Board of KGHM Polska Miedź S.A. upon adoption of the resolution:

The Management Board of KGHM Polska Miedź S.A.

The Management Board of KGHM Polska Miedź S.A. (“Company”) hereby provides attached the proposed resolutions to be adopted at the Ordinary General Meeting of KGHM Polska Miedź S.A.

The Management Board of KGHM Polska Miedź S.A. hereby provides attached preliminary production and sales data of the KGHM Polska Miedź S.A. Group for April 2025. The final quarterly production and sales results will be published in the consolidated report for the first half of 2025.

The Management Board of KGHM Polska Miedź S.A. (“the Company”) announces that on 15 May 2025 it adopted a resolution in respect of which it will submit a proposal to the Ordinary General Meeting of KGHM Polska Miedź S.A.

The Management Board of KGHM Polska Miedź S.A. hereby provides attached preliminary production and sales data of the KGHM Polska Miedź S.A. Group for March 2025. The final quarterly production and sales results will be published in the consolidated report for the first quarter of 2025.

The Management Board of KGHM Polska Miedź S.A. (“the Company”) announces that on 9 April 2025 the Supervisory Board of the Company adopted a resolution on the dismissal of Iga Dorota Lis, the Vice President of the Management Board (International Assets) from the 11^th term Management Board of KGHM Polska Miedź S.A. upon adoption of the resolution.

The Management Board of KGHM Polska Miedź S.A. hereby provides attached preliminary production and sales data of the KGHM Polska Miedź S.A. Group for February 2025. The final quarterly production and sales results will be published in the consolidated report for the first quarter of 2025.

The Management Board of KGHM Polska Miedź S.A. (“the Company”), in reference to regulatory filing no.