Translation from the original Polish version.

In the event of differences resulting from the translation, reference should be made to the official Polish version.

Declaration of the Supervisory Board of KGHM Polska Miedź S.A. regarding

the Audit Committee of the Supervisory Board of KGHM Polska Miedź S.A.

Legal basis:

§ 72 sec. 1 point 8 letters a and d, and § 73 sec. 1 point 8 letters a and d of the Decree of the Minister of

Finance dated 6 June 2025 on current and periodic information published by issuers of securities and

conditions for recognising as equivalent information required by the laws of a non-member state (Journal

of Laws of 2025, item 755)

Declaration

The Supervisory Board of KGHM Polska Miedź S.A. declares that:

1) KGHM Polska Miedź S.A. complies with rules regarding the appointment, composition and

functioning of the Audit Committee, including those in respect of meeting independence

criteria by its members and requirements in respect of knowledge and skills in the sector

in which KGHM Polska Miedź S.A. operates, and with respect to accounting and auditing

financial statements, as well as with respect to sustainability reporting of the KGHM Polska

Miedź S.A. Group and the attestation of this reporting.

2) The Audit Committee of the Supervisory Board of KGHM Polska Miedź S.A. carried out the

tasks provided for by the applicable regulations.

The Supervisory Board of KGHM Polska Miedź S.A.

appropriate signatures on the original

Lubin, 24 March 2026