Santander Bank Polska S.A.

Board/Management Information • Dec 23, 2025

Peter Bosek

The candidate for Chairman of the Supervisory Board Member

Peter Bosek has extensive Leadership experience in the banking sector since 1996, having held various senior positions. He has been with Erste Group since 1996. He holds a Law Degree from the University of Vienna.

Professional background:

• Since July 2024 Chief Executive Officer and Chief Retail Officer at Erste Group Bank AG
• Chief Executive Officer at Luminor Bank AS (2021-2024)
• Chief Retail Officer at Erste Group Bank AG (2015-2020)
• Member of the Management Board at Erste Bank Oesterreich (2007–2016)
• Between 1996 and 2007 various management positions in Erste Bank Oesterreich
• Lecturer at the Faculty of Law at the University of Vienna (1995-2005)
• Assistant Professor in the Department of Constitutional and Administrative Law at the University of Vienna.

Since September 2024 he has been the Chairman of the Supervisory Board of Česká spořitelna, a.s. and since July 2024 Deputy Chairman of the Supervisory Board of Erste Bank der oesterreichischen Sparkassen AG.

He has the relevant knowledge and experience in the industry in which the company operates.

He does not meet the independence criteria.

Peter Bosek does not conduct any competitive business activity to that of the Bank, does not participate in a competitive company as a partner of a civil partnership, a partnership or a capital company, does not participate in a competitive legal person as a member of its body and he is not listed in the Insolvent Debtors Register maintained pursuant to the Act on the National Court Register of 20 August 1997.

He meets the requirements of the Banking Law Act of 29 August 1997.

Stefan Dörfler

The candidate for Deputy Chairman of the Supervisory Board

Stefan Dörfler has been with Erste Group since 1997. He has extensive experience in capital markets, management, and corporate development in financial institutions. He holds a "Diplom-Ingenieur" ("Chartered Engineer") degree from the Vienna University of Technology (TU Wien).

Professional background:

• Since July 2019 Member of the Management Board at Erste Group Bank AG
• Member of the Management Board at Erste Bank der oesterreichischen Sparkassen AG (2022- June 2024)
• Chairman of the Management Board at Erste Bank Oesterreich (2016-June 2019)
• Head of Group Markets / Capital Markets at Erste Group Bank AG (2009-2016)
• Head of GCM Sales & Equity Markets at Erste Group Bank AG (2007–2009)
• Erste Bank AG, Management positions in Capital Markets Trading & Sales at Erste Bank AG (1999–2007)
• Interest Rate Derivatives Trader at Erste Bank AG (1997-1998)
• Rate Derivatives Trader at GiroCredit Bank AG (1995-1997)

Since June 2015, Stefan Dörfler has served as a member of the Supervisory Board at Wiener Börse AG. He joined the Supervisory Board of Sparkassen-Haftungs GmbH in September 2019 and has been a member of the Supervisory Board of Česká spořitelna, a.s. since 2019. In November 2022, he was appointed Deputy Chairman of the Supervisory Board of Banca Comercială Română S.A.

He has the relevant knowledge and experience in the industry in which the company operates.

He has relevant knowledge and practical skills in accountancy.

He does not meet the independence criteria.

Stefan Dörfler does not conduct any competitive business activity to that of the Bank, does not participate in a competitive company as a partner of a civil partnership, a partnership or a capital company, does not participate in a competitive legal person as a member of its body and he is not listed in the Insolvent Debtors Register maintained pursuant to the Act on the National Court Register of 20 August 1997.

He meets the requirements of the Banking Law Act of 29 August 1997.

Alexandra Habeler-Drabek

The candidate for the Supervisory Board Member

Alexandra Habeler-Drabek is an experienced executive in risk management, with a long-standing career in financial institutions and extensive expertise in credit, operational and enterprise-wide risk. She has been with Erste Group since 2010. She studied Commercial Sciences at the Vienna University of Economics and Business (WU Wien), graduating with a Master's degree in 1993 and did a Trainee

programme at Creditanstalt.

Professional background:

• Since July 2019 Member of the Management Board and CRO at Erste Group Bank AG
• From 2021 to July 2024 Member of the Management Board and CRO at Erste Bank der oesterreichischen Sparkassen AG
• Member of the Management Board and CRO at Slovenská sporiteľňa (2017-June 2019)
• Head of Group Enterprise-wide Risk Management at Erste Group AG (2014-2016)
• Head of Operative Risk Management at Erste Bank Oesterreich (2012-2014)
• Head of Workout and Restructuring at Erste Bank Oesterreich (2010-2011)
• Management positions in Credit Risk/Restructuring & Workout at Bank Austria Creditanstalt / Unicredit Bank Austria (1998-2010)
• Restructuring & Workout manager at Creditanstalt (1995-1998)

Alexandra Habeler-Drabek has been a member of the Supervisory Board of Erste Bank Hungary Zrt. since April 2021. Since March 2025 she has been Chairwoman of the Supervisory Board of Slovenská sporiteľňa.

She has the relevant knowledge and experience in the industry in which the company operates.

She does not meet the independence criteria.

Alexandra Habeler-Drabek does not conduct any competitive business activity to that of the Bank, does not participate in a competitive company as a partner of a civil partnership, a partnership or a capital company, does not participate in a competitive legal person as a member of its body and he is not listed in the Insolvent Debtors Register maintained pursuant to the Act on the National Court Register of 20 August 1997.

She meets the requirements of the Banking Law Act of 29 August 1997.

Maurizio Poletto

The candidate for the Supervisory Board Member

Maurizio Poletto is an accomplished executive with a strong background in design, digital platforms and operational leadership, having held key roles in both the financial and creative industries. From 1992 to 1996 he studied design at Istituto Superiore per le Industrie Artistiche (ISIA).

Professional background:

• Since July 2024 Member of the Management Board, Chief Operating Officer at Erste Group Bank AG
• Since July 2021 Member of the Management Board, Chief Platform Officer at Erste Group Bank AG
• Managing Director and Head of Design of George Labs (previously BeeOne) at Erste Group Bank AG (2012-2020)
• Founder/Creative Director of Collettiva Design (2002-2020)
• Designer/Art Director at Nofrontiere Design (1996-2003)

Since June 2021 Maurizio Poletto has been a member of the supervisory board of Česká spořitelna, a. s. and since September 2024 Chairman of the supervisory board of Erste Digital GmbH.

He has the relevant knowledge and experience in the industry in which the company operates.

He does not meet the independence criteria.

Maurizio Poletto does not conduct any competitive business activity to that of the Bank, does not participate in a competitive company as a partner of a civil partnership, a partnership or a capital company, does not participate in a competitive legal person as a member of its body and he is not listed in the Insolvent Debtors Register maintained pursuant to the Act on the National Court Register of 20 August 1997.

He meets the requirements of the Banking Law Act of 29 August 1997.