CubeSmart Investor Presentation Deck

Operational Performance Strong fundamentals provide strong outlook for future growth 25,000 20,000 15,000 10,000 5,000 98.0% 96.0% 94.0% 92.0% 90.0% 88.0% Same-Store Rentals ||| III Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec 2021 1 2022 Same-Store Occupancy Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec -2020 2021 1. Same-store results for the nine months ended September 30, 2022 2022 25,000 20,000 15,000 10,000 5,000 Same-Store Vacates Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec 2021 2022 2022 Same-Store Results¹ 13.9% Revenue growth 3.2% Expense growth 18.4% NOI Growth 28

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