KGHM Polska Miedź S.A.

Pre-Annual General Meeting Information • May 19, 2021

Supplementary information to regulatory filing no. 17/2021 containingproposed resolutions for the Ordinary General Meeting

The Management Board of KGHM Polska Miedź S.A. ("the Company") announcesthat, as a result of a recommendation of the Polish FinancialSupervision Authority Office, received on 19 May 2021, letter numberDSP-DSPZOI.4550.107.2021.JB, it hereby provides attached the report onthe remuneration of the Management Board and Supervisory Board of KGHMPolska Miedź S.A. for the years 2019 - 2020, adopted by Resolution No.72/X/21 of the Supervisory Board of KGHM Polska Miedź S.A. dated 21April 2021, and the independent registered auditor's report on providingreasonable assurance as respects evaluation of the remuneration report.

The aforementioned reports have been available on the Company'scorporate website www.kghm.com in the section Investors/CorporateGovernance/General Meeting since the day of convening the OrdinaryGeneral Meeting.

This supplementary information constitute appendices to this regulatoryfiling.

Legal basis: art. 56 sec. 1 point 2 (a) of the Act dated 29 July 2005 onpublic offerings and conditions governing the introduction of financialinstruments to organised trading, and on public companies (unified text:Journal of Laws from 2019, item 623) - current and periodic information