Settlement of a synthetic securitization transaction concluded by theBank on a portfolio of commercial real estate loans

The Management Board of mBank S.A. with its registered office in Warsaw(hereinafter "Bank") informs that on August 6th 2026, the Bank settled asynthetic securitization transaction referencing a portfolio ofcommercial real estate loans, with a total value of EUR 1.13 billion asof May 29th 2026, equivalent to approximately PLN 4.87 billion at theNBP average exchange rate prevailing on 6 August 2026 (hereinafter"Transaction").

As part of the Transaction, the Bank transferred a significant part ofthe credit risk of the securitized portfolio to investors. Theunderlying portfolio remains on the balance sheet of the Bank. The risktransfer is performed through a credit protection instrument - creditlinked notes (hereinafter "Credit Linked Notes" or "Notes").

On August 6th 2026, the Bank issued Credit Linked Notes with a totalnominal value of EUR 90.6 million, equivalent to approximately PLN 389.4million at the NBP average exchange rate prevailing on 6 August 2026.The Notes were purchased by two foreign investors:

1. Stichting PGGM Credit Risk Sharing Fund, represented by PGGMVermogensbeheer B.V. as its attorney-in-fact, acting as the leadinginvestor and

2. Eight investment funds managed or sub-advised by Magnetar Financial(UK) LLP.

The Notes bearing ISIN code XS3450880326, were admitted to trading inthe alternative trading system on Vienna MTF operated by Wiener Börse AG(Vienna Stock Exchange). August 6th, 2026 has been designated as thefirst trading day.

As part of the Transaction, the Bank is obliged to pledge collateral forthe benefit of the noteholders in the form of eligible debt securities(and/or cash) deposited with an independent custodian - The Bank of NewYork Mellon. The value of the collateral will be determined based on thenominal value of the outstanding Credit Linked Notes.

The Transaction is expected to increase the Common Equity Tier 1 (CET1)ratio by approximately 0.19 percentage points at the consolidated level,when referenced to reported figures for mBank Group at the end of secondquarter of 2026.

The Transaction meets the requirements for significant risk transferspecified in the respective regulations.