Investor Presentation - Q2 2021

Appendix: mBank in the Czech Republic and Slovakia Gross loans and share in total mBank's retail volume PLN M Deposits and share in total mBank's retail volumes PLN M +60% +30% 12.9% +10% +2% 14.5% 9,031 8,219 15,153 15,502 7,311 13,819 2,738 11,884 12,470 6,242 5,656 2,445 4,511 4,541 2,076 4,254 1,770 3,789 3,944 1,517 4,139 4,472 5,235 5,775 6,293 SK 8,095 8,526 9,565 10,643 10,961 SK CZ CZ 06/20 09/20 12/20 03/21 06/21 06/20 09/20 12/20 03/21 06/21 Number of clients thousand Development of total revenues PLN M +4% Users of mobile +8% 0% application +5% Main interest rate CZ: 228.3 CZ: 0.50% 978.9 995.2 1,003.4 1,012.1 295.7 298.3 300.7 304.1 1,015.2 305.5 SK: 100.1 64.9 65.1 67.2 70.4 SK: 0.00% 59.6 11.4 12.7 13.8 14.7 30.06.2021 12.4 683.2 697.0 702.7 708.0 709.7 SK 53.5 47.1 52.4 53.3 55.6 SK CZ CZ 06/20 09/20 12/20 03/21 06/21 Q2/20 Q3/20 Q4/20 Q1/21 Q2/21 Note: Volumes based on management information. Investor Presentation - Q2 2021 1 41

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