CubeSmart Investor Presentation Deck

1. 2. 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 12022 12023 Same-Store Occupancy¹ 92.5% -140 bps YOY Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec 2021 Results for the 2023 Same-Store pool Same-Store results for the three months ended March 31, 2023 2022 Nov Dec 2023 30,000 20,000 10,000 Same-Store Vacates¹ III Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec 2022 12023 2023 Same-Store Results² 6.9% Revenue growth 1.0% Expense growth 9.1% NOI growth 30

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