Investor Presentaiton

• • • • • Advancing our digital experience in-line with customer preferences Strong digital foundation in place Top tier digital sales volumes driving customer acquisition U.S. digital deposits across all 50 States Integrated North American Treasury and Payments cash management solutions Top-2 in Canadian Digital Advice5 with adviceDirect and SmartFolio ⚫ myWealth digital client onboarding ⚫Electronic trading technology platform through Clearpool External recognition CELENT MODEL AWARDS 2021 BAI GLOBAL INNOVATION AWARDS Accelerated Digital Engagement Digital adoption, % 1 +180bps +310bps 59.0% 60.8% 48.2% 51.3% Q3 F'20 Q3 F'21 Active Mobile Users, 000s M +7% Q3 F'20 Q3 F'21 3 +13% 1,985 2,129 495 559 Q3 F'20 BMO CashTrack Q3 F'21 INSIDER INTELLIGENCE Ranked #1 for digital money management, security and alerts 20 banking technology BMO Quick Pay Self-Serve Transactions, % 1+1² 2 +10bps Q3 F20 Q3 F'21 4 +80bps . Delivering speed, efficiency and scale • Personalized, data-driven experiences, e.g. BMO CashTrack BMO Insights, Al powered tools to manage cash flows Accelerating cloud transformation with AWS to modernize operations and introduce new digital applications • BMO Business Xpress - account openings in minutes, powered by data analytics and best-in-class automatic adjudication strategies • Google Pay partnership to drive scale and innovation Partners G Pay powered by aws 91.7% 91.8% 76.6% 77.4% B blend Lively Intuit. turbotax quickbooks mint AWARDS Q2 F'20 Q3 F'21 Q3 F'20 Q3 F'21 1 Digital adoption is percent of deposit customers that logged on in last 90 days. Active mobile users is number of deposit customers that logged into mobile in the last 90 days 2 Self-Serve Transactions includes deposits, bill payments, internal funds transfers, withdrawals and e-transfers sent across ATM and Digital channels 3 Digital adoption is percent of retail deposit customers that logged on in last 90 days. Active mobile users is number of retail deposit customers that logged into mobile in the last 90 days 4 Self-Serve Transactions includes deposits, bill payments, internal funds transfers, withdrawals and Zelle payments (P2P) sent across ATM and Digital channels 5 Source: Investor Economics (previously known as Strategic Insight) March 2021 BMO Financial Group Investor Presentation • October 2021 7

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