Q2 F2023 - Bank of the West Contribution & Financial Results

Canadian Residential-Secured Lending Total Canadian residential-secured lending portfolio at $191.9B, representing 30% of total loans LTV1 on uninsured of 52% 90-day delinquency rate for RESL remains low at 14 bps; loss rates for the trailing 4 quarter period were less than 1 bp 2% of uninsured RESL balances are to borrowers with <680 FICO and >70% LTV1 Residential mortgage portfolio of $143.8B 30% of portfolio insured • LTV1 on uninsured of 55% 55% of the mortgage portfolio has an effective remaining amortization of 25 years or less HELOC portfolio of $48.1B outstanding of which 73% is amortizing Condo Mortgage portfolio is $22.4B with 28% insured GTA and GVA portfolios demonstrate better LTV1, delinquency rates and bureau scores compared to the national average Residential-Secured Lending by Region ($191.9B) $91.3 $38.0 26% 26% $30.5 30% 58% 62% $20.0 41% 16% 35% $7.5 $4.6 13% 29% 49% 17% 44% 16% 35% 12% 43% 48% Atlantic Quebec Ontario Alberta British Canada Other Columbia HELOC Uninsured Mortgages Insured Mortgages Mortgage Uninsured $100.4B/ 52% HELOC - Revolving $13.1B/ 7% Avg. LTV1 Uninsured Atlantic Quebec Ontario Alberta British Columbia Canada Total Other Canada Mortgage HELOC Portfolio Origination 71% Portfolio 48% Origination 60% 56% 57% 56% 58% 52% 55% 55% $191.9B 71% 71% 73% 67% 73% 70% 51% 46% 52% 45% 47% 47% 66% 59% 59% 58% 69% 60% HELOC - Amortizing $35.0B/ 18% Mortgage - Insured $43.4B/ 23% 1 LTV is the ratio of outstanding mortgage balance or the HELOC authorization to the original property value indexed using Teranet data. Portfolio LTV is the combination of each individual mortgage or HELOC LTV weighted by the mortgage balance or HELOC authorization BMOM • Risk Review May 24, 2023 33

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