Financial Results

Asset Yields¹ and Liabilities Costs² Average Earning Assets ($B) and Yield (%) Average Liabilities ($B) and Costs² (%) 5.26% 4.17% 4.86% 5.06% 5.27% Yield on Total Average Earning Assets 2.55% 2.92% 3.18% 3.34% 3.56% Cost on Total Liabilities 1,261 1,236 1,265 1,246 1,162 1,083 1,162 1,177 1,196 1,143 5.00% 5.51% 5.71% 5.92% 6.03% 553 635 634 648 647 1.96% 2.18% 2.45% 2.74% 2.93% 635 629 645 656 550 4.09% 4.88% 5.09% 5.20% 5.28% 3.30% 4.09% 4.28% 4.45% 4.38% 450 469 470 473 475 530 527 528 529 549 143 157 137 147 Q1'23 Q2'23 Q3'23 Q4'23 Q1'24 Q1'23 Q2'23 Q3'23 Q4'23 115 Q1'24 Gross Loans Other Interest Bearing Assets³ Customer Deposits Other Interest Bearing Liabilities4 % in above charts indicate yield on asset balance Other Non-Interest Bearing Liabilities % in above charts indicate cost on liability balance Prior periods have been reclassified to conform with the current period presentation 1 Gross loan yield is calculated as interest income on loans as a percentage of average gross loans 2 Liabilities Cost is calculated as total interest expense as a percentage of average liabilities 3 Other interest bearing assets balances include deposits with other banks, securities, securities borrowed or purchased under resale agreements and other interest bearing assets. Yield on other interest bearing assets is calculated as interest and dividend income on deposits with other banks, securities, securities borrowed or purchased under resale agreements and other interest bearing assets as a percentage of associated average balances 4 Other interest bearing liabilities balances include wholesale funding, securities sold but not yet purchased and securities lent or sold, subordinated debt and other interest bearing liabilities. Cost on other interest bearing liabilities is calculated as interest expense on wholesale funding, securities sold but not yet purchased and securities lent or sold, subordinated debt and other interest bearing liabilities as a percentage of associated average balances BMO M . Financial Results February 27, 2024 34

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