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 Rentals¹ || Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec 2022 12023 Same-Store Occupancy¹ Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec 2021 2022 1. Results for the 2023 Same-Store pool 2. Same-Store results for the nine months ended September 30, 2023 90.3% -100 bps YOY 2023 30,000 20,000 10,000 Same-Store Vacates¹ Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec 2022 2023 2023 Same-Store Results² 4.5% Revenue growth 2.6% Expense growth 5.3% NOI growth 30

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