Investor Presentaiton

SmartStop Strategy, Platform & Portfolio SmartStop Self Storage REIT, Inc. ...The Smarter Way to Store! SmartStop's focus on high-growth domestic and Canadian markets, combined with unique operating platform initiatives, have created a high quality portfolio with embedded growth opportunities Strategy Platform Focus on high-growth markets in the U.S. and Canada Accretively acquire under-managed facilities while maintaining reasonable leverage Develop and acquire in under-served markets in Canada with low supply and growing demand Leverage Managed REIT platform for additional scale and acquisition opportunities Strong North American brand Long track record with an average of over 15 years of management experience in self storage Utilize advanced proprietary data science technology based models Scalable and fully integrated platform High Quality Portfolio Diversified portfolio with strong rents per square foot and demographics High proportion of non-stabilized assets driving meaningful organic growth Weighted average age of portfolio by rentable square feet is -19.4 years(1) Nearly two thirds of the owned portfolio is in the top 25 MSAs (2) (1) Since initial construction or significant property redevelopment. (2) Includes joint venture assets and excludes Managed REIT assets. Includes Toronto as top 25 MSA. Top 25 MSAS as defined by 2020 U.S. Census Bureau data. Toronto population as defined by Statistics Canada. Investor Presentation | 5

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