March 2023 Investor Presentation

Introduction to CubeSmart A high-quality portfolio in an attractive industry with proven returns 1,279 Properties CURE SWART 70% 5-year total shareholder return² 9545 self storage CUBESMART self storage $12.1 Billion Market Cap³ 3 55% 5-year Dividend Growth 1. As of December 31, 2022 3. Market value of common equity and book value of debt as of December 31, 2022 2. Period ended December 31, 2022 4. Annual dividends declared for period ended December 31, 2022 59% 5-year Growth in FFO per Share, as Adjusted² Baa2/BBB Rating CUBESMART $3.0 Billion 5-year acquisition volume self storage 3

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