Investor Presentation February 2024

Adjusted Net Income Reconciliation by Operating Group (Canadian $ in millions unless otherwise stated) Canadian P&C Reported Net Income Acquisition and integration costs Q1 24 Q4 23 Q3 23 Q2 23 Q1 23 921 922 881 819 951 1 1 6 2 Amortization of acquisition-related intangible assets Adjusted Net Income 3 3 2 1 925 926 U.S. P&C (USD) Reported Net Income 419 433 Amortization of acquisition-related intangible assets 56 Adjusted Net Income 475 490 BMO Wealth Management Reported Net Income 240 351 Amortization of acquisition-related intangible assets 1 Adjusted Net Income 241 352 BMO Capital Markets Reported Net Income 393 472 Acquisition and integration costs 10 Amortization of acquisition-related intangible assets 5 Adjusted Net Income 408 475 Corporate Reported Net Income (822) (626) Services Management of Fair Value Changes on the Purchase of Bank of the West (3) Acquisition and integration costs 46 434 Impact of Canadian tax measures Initial provision for credit losses on purchased performing loans Net loss on RV loan portfolio sale 136 FDIC special assessment 313 Adjusted Net Income (316) (180) Total Bank Reported Net Income 1,292 1,710 Management of Fair Value Changes on the Purchase of Bank of the West Acquisition and integration costs Amortization of acquisition-related intangible assets Legal Provisions 57 433 84 11 Impact of Canadian tax measures Initial provision for credit losses on purchased performing loans Net loss on RV loan portfolio sale 136 FDIC special assessment 313 Adjusted Net Income 1,893 2,243 U.S. Segment (USD) Reported Net Income 184 Management of Fair Value Changes on the Purchase of Bank of the West (3) Acquisition and integration costs 39 317 Amortization of acquisition-related intangible assets 59 Legal provision 8 Initial provision for credit losses on purchased performing loans Net loss on RV loan portfolio sale FDIC special assessment Adjusted Net Income 102 231 623 676 725 661 Prior period amounts have been reclassified to conform with the current period presentation, including the retrospective application of IFRS 17 Refer to footnotes (1) to (7) in the Non-GAAP and other Financial Measures table on slide 57 for details on adjusting items, and the Non-GAAP and Other Financial Measures and Summary Quarterly Earnings Trend sections of the First Quarter 2024 MD&A for further information དྷརྞྞཕྲུgpg| | | |gཎྜ|g8ཌ| | | |g |➢ཅ༅ | | |g 889 822 951 376 539 495 57 58 57 1 434 596 496 396 240 159 1 1 1 1 397 241 160 295 370 488 (2) 1 2 3 5 5 6 4 301 378 495 (509) (1,131) (2,130) 363 545 131 517 (18) 1,565 $|རྟ | |@ 1,461 178 371 (114) 1,029 133 1,461 370 85 (3) 131 $༅॰ བྲཱ;| | 549 181 85 6 6 371 517 2,148 2,186 2,158 364 343 (119) (573) 1,093 275 400 132 61 60 8 (2) ཅ ་རྞ 61 4 4 5 379 BMOM Investor Presentation ⚫ February 2024 58

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