Supervisory board
Mr. Michał Wnorowski – Chairman of the Supervisory Board, Member of the Nomination and Remuneration Committee
Appointed to the Supervisory Board on 26 March 2026. He has been a member of the Supervisory Board of AB S.A. since 2025. A capital market expert, with 30 years of experience in investment management and corporate supervision, effectively supporting the development of companies and institutions through a strategic approach and in-depth financial analysis.
Member of the Association of Independent Members of Supervisory Boards. Currently, he is an independent member of supervisory boards and a member of audit committees of listed companies: PKP Cargo, Polish Holding Nieruchomości, PolTreg, Medicalgorithmics, Ailleron, HiProMine and EMC Instytut Medyczny. Previously, he was a m.in member of supervisory boards and audit committees of the following companies: Polwax, Tower Investments, Alumetal, Arteria, Voxel, Develia, Robyg, Enter Air, Braster, Travelplanet.pl, Elektrobudowa, Armatura Kraków, ARM Property.
He has been associated with the financial market since 1995. In 2012-2016, he was the Investment Director and Managing the Portfolio of Long-Term Shares of the PZU Group, where he was responsible for the largest investment projects in the area of equity and coordination of investments in this asset class throughout the PZU Group. Previously, he was a long-term director of the analysis and corporate governance team at the PZU Group, responsible for m.in analysis and selection of companies for investment portfolios, and then supervision of portfolio companies. He has experience in investment project management, market analysis, corporate analysis and valuation, securities portfolio management and supervision of mergers and acquisitions. He is a graduate of the Warsaw School of Economics and the Cracow University of Economics.
According to the submitted statement, Mr. Michał Wnorowski meets the criteria of independence referred to in Article 12(5) of the Articles of Association of AB S.A.
Mr. Jan Woźniak – Deputy Chairman of the Supervisory Board, Member of the Audit Committee
Appointed to the Supervisory Board on 26 March 2026. He has been a member of the Supervisory Board of AB S.A. since 2025. A graduate of the Warsaw School of Economics in the fields of Foreign Trade and Banking and Finance. He holds a securities broker’s license (1994). He has been associated with the financial sector for over 30 years, and for 18 years he has been active as an independent member of supervisory boards of companies listed on the Warsaw Stock Exchange. He focuses on growing and transforming companies. He has the most experience in the manufacturing, IT, banking and finance, and retail sectors. Currently, he is a member of the supervisory boards of Ferro S.A., Tarczyński S.A., MLP Group S.A. In the past, he was associated with, among m.in others, Sanok Rubber Company, Mint of Poland, Polimex-Mostostal and Sygnity. In the years 1994–2004 he worked at Bank Handlowy, then as a member of the Management Board of HSBC Bank Polska (2004–2008). Founder and Managing Partner of DSW AFM sp. z o.o., specializing in VC and PE investments and consulting in the field of Corporate Finance.
According to the submitted statement, Mr. Jan Woźniak meets the criteria of independence referred to in Article 12(5) of the Articles of Association of AB S.A.
Mr. Tomasz Mazurczak – Member of the Supervisory Board, Chairman of the Audit Committee
Appointed to the Supervisory Board on 26 March 2026. He has been a member of the Supervisory Board of AB S.A. since 2025. He is a graduate of the Poznań University of Economics in the field of Foreign Trade. He has been involved in investment banking and the capital market for over 30 years. He holds an investment advisor license and a securities broker license.
In the years 1994 – 2006, he was associated with the BRE Bank Group as a credit inspector, advisor to the bank’s president in the corporate restructuring department (privatization projects, restructuring projects and IPOs), client asset manager, head of the listed companies analysis team and member of the management board at BRE Bank’s Investment House. In the years 2007 – 2013, he worked at Skarbiec TFI and Trigon Dom Maklerski in the area of investments and analyses.
He was a member of the supervisory boards of companies listed on the Warsaw Stock Exchange: Sanok Rubber S.A., GTC S.A., Warimpex Finanz- Und Beteiligungs AG, Elektrobudowa S.A., Kredyt Inkaso S.A., OEX S.A. Currently, he is a member of the supervisory boards of Ferro S.A., Comp S.A., Odlewnie Polskie S.A. (where he is the chairman of the audit committee).
According to the submitted statement, Mr. Tomasz Mazurczak meets the criteria of independence referred to in Article 12(5) of the Articles of Association of AB S.A.
Mr. Robert Jasiński – Member of the Supervisory Board, Chairman of the Nomination and Remuneration Committee
Appointed to the Supervisory Board on 26 March 2026. He has been a member of the Supervisory Board of AB S.A. since 2025. A graduate of the University of Lodz in the field of Economic Cybernetics and Computer Science and postgraduate studies in Marketing. Participant of the TEMPUS program of the University of Nijmegen and HEAO Arnhem. It has international CGMA (FCMA) and ACCA certificates. Member of the Regional Advisory Panel for the Management Board of CIMA Europe. Nominated for the Top7 CIMA Mentors in Europe in 2021.
He has over 30 years of experience in the following industries: refining and petrochemical, telecommunications and IT, railway infrastructure, medical, as well as in consulting and auditing (Price Waterhouse).
In the years 1996-2001 he was associated with UNI-Net as the Financial Director. Subsequently, he served as Chief Financial Officer of Netia, Chief Executive Officer of UNI-Net, as well as Chief Integration Officer of EI-Net’s acquired assets (2001-2005).
In the years 2006-2008, he held the position of Director of Controlling Technology of the Group and advisor to CTO at Telekomunikacja Polska. He devoted the next years of his career 2008-2018 to cooperation with PKN Orlen; where he was the Executive Director of Business Controlling of the Group, Member of the Management Board for Restructuring of Orlen LIETUVA, Member of the Management Board of Orlen Finance and Orlen Capital, Vice-Chairman of the Supervisory Boards of: Orlen DEUTSCHLAND, Anwil, Orlen UPSTREAM, Member of the Supervisory Board / Audit Committee of UNIPETROL.
In the years 2019-2020, he was a Member of the Management Board of TRACK TEC S.A. In the years 2022-2024, he was an independent Member of the Supervisory Board of COMARCH S.A. Since 2022, he has been an independent Member of the Supervisory Board of Seco-Warwick S.A. and Secretary of the Audit Committee. Since 2023, he has been a Managing Partner at Orion Advisors sp. z o.o. (strategic and transaction consulting).
According to the submitted statement, Robert Jasiński meets the criteria of independence referred to in Article 12(5) of the Articles of Association of AB S.A.
Ms. Barbara Knoll – Member of the Supervisory Board, Member of the Audit Committee
Appointed to the Supervisory Board on 26 March 2026. A graduate of the Warsaw School of Economics in the field of economics and social sciences. For 35 years, she worked on international markets, first in consulting companies, including E&Y UK, then as a Financial Director in American companies.
Since 2002, she has worked as a CFO in companies on the IT market in Poland and Central Europe, including Flectronics International, Hewlett-Packard, Tech Data Polska and TD Synnex.
From May 2019 to January 2025, she worked as the Chief Financial Officer of TD Synnex and previously Tech Data, focusing on the Polish market, and from 2023 additionally on Central European countries. In her work, she focused on business development, providing financial support, planning and monitoring the results achieved, authorizing processes and good cooperation with partners and vendors. TD Synnex Polska (formerly operating as Tech Data) is a direct competitor of the AB S.A. group on the Polish IT distribution market.
According to the submitted statement, Ms. Barbara Knoll meets the criteria of independence referred to in Article 12(5) of the Articles of Association of AB S.A.
Mr. Aleksander Werner – Member of the Supervisory Board, Member of the Nomination and Remuneration Committee
Appointed to the Supervisory Board on 26 March 2026. Attorney-at-law with over 20 years of experience in providing services to financial institutions, listed companies and supervisory authorities. He is or has been a member of the bodies of companies in the m.in insurance industry (PolishRe – Polskie Towarzystwo Reasekuracji SA), recycling (Energa Organizacja Odzysku SA), production (Cementowania Kraków-Nowa Huta). Head of the Department of Tax and Customs Law at the Warsaw School of Economics, Associate Professor at the Warsaw School of Economics, habilitated doctor of law and doctor of economic sciences, specializing in financial, tax and capital market law. Since 2005 he has been a partner in the Law Firm of Legal Advisors Werner & Partners s.c. In the years 2000-2001 he worked in the Office of the Securities and Exchange Commission in the Department of Public Companies and Finance. Member of the Council for Counteracting Tax Avoidance at the Ministry of Finance (first term, representative of university employees), member of the National Commission for Tax Advisory (two terms, representative of university employees), member of the GLOBE Council at the Ministry of Finance (representative of university employees).
According to the submitted statement, Mr. Aleksander Werner meets the criteria of independence referred to in Article 12(5) of the Articles of Association of AB S.A.