Abak Spolka Akcyjna

Declaration of Voting Results & Voting Rights Announcements • Mar 8, 2024

Increase in the total number of votes at the General Meeting of mBankS.A. to a level above 5% by funds managed by Nationale-Nederlanden PTES.A.

The Management Board of mBank S.A. (_quot;Bank_quot;) informs that on March 7,2024, the Bank received a notification from Nationale-NederlandenPowszechne Towarzystwo Emerytalne S.A. (_quot;Nationale-Nederlanden PTE S.A_quot;)regarding an increase in ownership by funds managed byNationale-Nederlanden PTE S.A. above 5% in the share capital of the Bankand the number of votes at the General Meeting of the Bank. Thetransactions were concluded on March 5, 2024 on the Warsaw StockExchange.

According to the notification, after the share purchase transactions,funds managed by Nationale-Nederlanden PTE S.A. held a total of2,127,099 shares of the Bank, constituting 5.009% of the share capitaland the total number of votes at the General Meeting of the Bank. Priorto the transactions, funds managed by Nationale-Nederlanden PTE S.A.held a total of 2,122,891 shares of the Bank, constituting 4.999% of theshare capital and the total number of votes at the General Meeting ofthe Bank.

The notification is enclosed with this report.