Investor Presentation February 2024

Our history of climate action 2007 First purchase of renewable energy 2009 Became lead investor in the Greening Canada Fund for carbon offset projects Named to the CDP Global 500 Carbon Disclosure Leadership Index for the first time 2018 Began reporting in line with TCFD Delivered Board of Directors climate change risk and disclosure training 2020 Achieved 100% renewable electricity across global operations Included climate change in our Enterprise Risk Appetite Statement and introduced climate-related key risk metric Developed digital climate risk analytics platform 2022 Rolled out enterprise-wide "Climate Change Essentials" training for all BMO employees and Board of Directors Introduced our Environmental and Social Risk Corporate Policy Established and chaired the Government of Canada's Sustainable Finance Action Council (SFAC), and Net-Zero Capital Allocation Working Group 2008 Established operational GHG footprint and first emissions reduction target Became the first Canadian financial institution to achieve ISO 14001:2004 certification for a large office building 2010 Achieved carbon neutrality in operations Named to the CDP Global 500 Carbon Performance Leadership Index for the first time 2019 Established Sustainable Finance team and our first sustainable finance target Issued first sustainability bond Incorporated climate change into our enterprise-wide risk taxonomy 2021 Joined the Partnership for Carbon Accounting Financials (PCAF) and began quantifying our financed emissions Signed United Nations (UN) Principles for Responsible Banking Launched BMO's Climate Ambition Established the BMO Climate Institute Established the Energy Transition Group within BMO Capital Markets Joined the UN-convened Net- Zero Banking Alliance (NZBA) 2023 Advanced our climate commercialization strategy, focused on integrating BMO Radicle's capabilities, mobilizing the Commercial Bank strategy and implementing cross-bank enablers Established dedicated E&S Risk Management team within Enterprise Risk and Portfolio Management Completed climate scenario analyses covering physical and transition risk on climate-sensitive wholesale lending portfolios, transition risk on the trading book, physical risk on real estate lending, and physical risk on BMO's own operations Chaired the Canadian Bankers Association's Environmental Specialists Group and Climate Scenario Analysis Working Group Launched an internal Climate Products and Services page to support lines of business Launched our Greener Future Financing program Joined the UN Principles for Responsible Banking Nature Target Setting Working Group to innovate nature target- setting for banks Joined the Net Zero Engagement Initiative to expand BMO GAM's Paris-aligned engagements to European-domiciled companies BMOM Investor Presentation ⚫ February 2024 45

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