KGHM Polska Miedź S.A.

Board/Management Information • Dec 21, 2022

Piotr Ziubroniewicz Member of the Supervisory Board of KGHM Polska Miedź S.A.

(appointed as of 24 November 2022)

Education

Higher, Master's degree in administration, 2013-2015 – University of Opole, master's degree studies in administration, 2010-2013 – WSB University in Wrocław, Economic Section in Opole, bachelor's degree studies in administration,

Qualifications

2019 – WSB Academy in Dąbrowa Górnicza, post-graduate studies in Master of Business Administration,

Positions held and professional highlights

01.2022 – present – Krajowy Zasób Nieruchomości (National Property Resources) - Deputy President of National Property Resources – Management of Property comprising the Resources,

10.2020 – 01.2022 – Ministry of Development and Technology – Director of the Office of the Minister – Organisational support of the Minister and members of the leadership. Supervision of the work of the Office of the Minister,

03.2018 – 10.2022 – Ministry of Development/Ministry of Entrepreneurship and Technology – Deputy Director of the Office of the Minister, Organisational support of the Minister and members of the leadership. Supervision of the work of the Office of the Minister,

04.2017 – 02.2018 – Stowarzyszenie Ludzi Aktywnych "Horyzonty" (Society of Active People "Horizons')' – Consultant in the Regional Centre for International Debate, Responsible for strengthening channels of cooperation between the Ministry of Foreign Affairs of the Republic of Poland, local governments, non - governmental organisations, educational institutions and citizens,

07.2015 – 01.2018 – Office of the City of Opole – Senior Specialist – Responsible for implementing methods for citizen participation and for cooperation with the nongovernmental (civic) sector.

03.2019 – present – Invest Park Development – Member of the Supervisory Board, 02.2021 – 11.2022 – MESKO S.A. – Member of the Supervisory Board,

The appointed Member of the Supervisory Board of KGHM Polska Miedź S.A. is not engaged in activities which are competitive with the activities of KGHM Polska Miedź S.A. He is not a partner in a civil law partnership or in a partnership, which are competitive with KGHM Polska Miedź S.A. He is not a member of bodies of capital companies, which are competitive with KGHM Polska Miedź S.A. He does not participate in any other competitive legal entities as members of their bodies. He is not listed in the Register of Insolvent Debtors maintained on the basis of the National Court Register law.

Mirosław Kidoń Vice President of the Management Board (International Assets) (appointed as of 10 December 2022)

Associated with the Group since the beginning of 2000. Until the date of appointment to the Management Board of KGHM Polska Miedź S.A. he worked among others as a shift foreman, Senior foreman for Production and head of production in the Concentrators Division. In the years 2017-2018 he was Executive Director of the Concentrators Division of KGHM Polska Miedź S.A. and subsequently from 2018 he served as General Manager (CEO) in Sierra Gorda S.C.M. in Chile.

He was responsible for planning the development of the main production line and for managing organisational structures in the divisions of KGHM Polska Miedź S.A. as well as in companies of the KGHM Polska Miedź S.A. Group.

A graduate of Politechnika Zielonogórska (Technical University of Zielona Góra), an engineer of the Primary Technical Problems Faculty (Wydział Podstawowych Problemów Techniki) specialising in Management and Marketing. He completed post-graduate studies in "Minerals processing – Mineral engineering" at Wrocław University of Science and Technology as well as "Lean Six Sigma Transformation" at the Wroclaw University of Economics and Business.

He has many years of professional experience in production management and planning as well as in the area of mining technology. He perfected his skills in companies of the KGHM Polska Miedź S.A. Group in Poland and abroad.

The appointed Member of the Management Board of KGHM Polska Miedź S.A. is not engaged in activities which are competitive with the activities of KGHM Polska Miedź S.A. He is not a partner in a civil law partnership or in a partnership, which are competitive with KGHM Polska Miedź S.A. He is not a member of bodies of capital companies, which are competitive with KGHM Polska Miedź S.A. He does not participate in any other competitive legal entities as members of their bodies. He is not listed in the Register of Insolvent Debtors maintained on the basis of the National Court Register law.

Legal basis: § 5 point 5 of the Decree of the Minister of Finance dated 29 March 2018 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 2018, item 757)