mBank S.A. — Capital/Financing Update 2026

May 19, 2026

Report Content Issuance of green senior non-preferred bonds with a total nominalvalue of EUR 750 million issued under the EMTN ProgrammeTheManagement Board of mBank S.A. ("Bank") hereby informs that on 19 May2026 it completed the subscription for senior non-preferred bonds with atotal nominal value of EUR 750 million ("Eurobonds").

The Eurobonds are being issued under the Euro Medium Term Note Programme(the "EMTN Programme") based on a base prospectus approved on 7 November2025 by the Commission de Surveillance du Secteur Financier inLuxembourg, as supplemented by supplement no. 1 dated 13 May 2026.

Settlement of the issuance will take place on 26 May 2026.

In connection with the intention to admit the Eurobonds to trading onthe Regulated Market of the Luxembourg Stock Exchange, in accordancewith Art. 60.2 in conjunction with Art. 56.1.2).a) of the Act on PublicOffering, the Conditions Governing the Introduction of FinancialInstruments to Organised Trading, and on Public Companies, the Bankinforms as follows:1) subscription opening date: 19 May 2026;

2) subscription closing date: 19 May 2026;

3) Eurobonds allocation date: 19 May 2026;

4) number of Eurobonds covered by the subscription:7,500 bonds;

5) the allocation reduction rate of the Eurobonds allocated in onetranche was 74.11% ;

6) number of Eurobonds subscribed: 28,964 bonds;

7) number of Eurobonds which were allocated within the subscription:7,500 bonds;

8) price of acquisition of the Eurobonds: 100% nominal value;

9) interest rate: fixed for a period of 6 years from the issue datefollowed by a 1-year period with a floating rate. The margin used todetermine the floating interest rate for the Eurobonds has been set at127 basis points.10) tenor: The Eurobonds are issued for a termof 7 years, with the provision that the Bank may redeem them early after6 years from the issue date (7NC6) under the terms specified in theterms and conditions of the issue;

11) number of persons which subscribed for the Eurobonds in specifictranches: 132 investors;

12) number of persons to whom the Eurobonds were allocated within thesubscription in specific tranches: 107 investors;

13) name of underwriters who acquired the Eurobonds under underwritingagreements: not applicable;

14) the aggregate nominal value of subscription, i.e. the product of thenumber of Eurobonds under the offering and the issue price: EUR750,000,000 (in words: seven hundred and fifty million euros) which isequal to PLN 3,179,175,000 according to the average NBP exchange rate asof 19 May 2026;

15) the total costs which were included in the issuance costs: the Bankwill disclose such information in an updated current report after it hasreceived and accepted all the payments connected with the issuance;

16) the average cost of subscription per one subscribed Eurobond: theBank will disclose such information in an updated current report afterit has received and accepted all the payments connected with theissuance;

17) the way of payment for Eurobonds to be acquired: the payment will bemade by wire transfer to the Bank's account.