Changes in the Supervisory Board of mBank S.A.

Dorota Poniatowska-Mańczak graduated from Wrocław University of Science and Technology with a Master of Science degree in computer science. She also completed the Oxford/Gartner CIO Academy programme and a number of specialist training courses in information technology and management.

Dorota Poniatowska-Mańczak has almost forty years of professional experience in IT, including over twenty years of experience in managerial and executive positions in the banking sector. She specialises in IT strategy and architecture, cybersecurity, ICT risk management and the technological transformation of organisations. From 2010 to 2024, she served as Director responsible for the IT Division (CIO) at Credit Agricole Bank Polska S.A., where she was responsible for the IT strategy, the development and maintenance of IT systems, IT security, ICT risk management and the technology project portfolio. At the same time, she was a member of the international CIO/COO Council of the Credit Agricole Group. From 2003 to 2010, she served as IT Director at Bank Zachodni WBK S.A.

From 2001 to 2003, she was a Member of the Management Board of Bank Zachodni WBK S.A., responsible for overseeing the IT area.

During her professional career in the banking sector, she managed numerous complex transformation, migration and implementation projects, ensuring business continuity, operational resilience and the alignment of the projects with the organisation’s strategic objectives.

On 3 September 2026, the Supervisory Board appointed Aleksandra Gren as Chair of the Supervisory Board with effect from 1 November 2026. Following receipt of a letter from the KNF, the Bank applied to the KNF for consent of her appointment. This requirement results from the provisions of the amended Banking Law Act, effective as of 29 September 2026. Aleksandra Gren will assume the position of Chair of the Supervisory Board on the date on which the Bank receives the KNF’s consent.