Legal basis: Regulation of the Minister of Finance dated 6 June 2025 on current and periodical information published by issuers of securities and on conditions under which information required by legal regulations of a third country may be recognized as equivalent, § 72 (1) (6) and § 73 (1) (6).

This communication has been prepared on the basis of the Supervisory Board’s statement dated 26 February 2026 on the selection of an audit firm to carry out the audit of separate and consolidated annual financial statements in line with the applicable provisions, including the provisions on the audit firm selection and on the audit firm selection procedure.

The Management Board of mBank S.A. informs that the appointment of KPMG Audyt Spółka z ograniczoną odpowiedzialnością spółka komandytowa, the audit firm to audit the annual separate and consolidated financial statements of mBank S.A. and mBank S.A. Group for the year 2026 was conducted in accordance to the current binding law, including regulations on the audit firm selection and on the audit firm selection procedure.

The Management Board of mBank S.A. informs, with respect to mBank S.A., that:

a) the audit firm and its team auditing the annual separate and consolidated financial statements of mBank S.A. and mBank S.A. Group for the year 2025 comply with the regulations on preparing impartial and independent statutory auditor’s report in accordance with applicable regulations, professional standards and principles of professional ethics

b) the binding rules of audit firm and key auditor rotation as well as binding withdrawal periods are fulfilled in mBank S.A.,

c) mBank S.A. possesses the policy for selecting an audit firm and the policy on provision of permitted non-audit services by the audit firm carrying out the audit and by entities associated with the audit firm or by a member of the audit firm network, including services conditionally exempt from the ban of providing them by an audit firm.

Warsaw, 26 February 2026