CubeSmart Investor Presentation Deck

High Quality Portfolio | Attractive Demand Profile | Positive Supply Trends I Premier NYC Operator Bronx Market Summary Top 5 Operators¹ Rank Operator 1 CubeSmart 2 3 3 LO 5 5 Extra Space Storage Post Life Storage Public Storage Safeguard U-Haul Demographics² Population 1,421,089 Market Supply³ Square Feet 4.6M Sq. Feet per Capita 3.2 Total 15 13 5 5 3 3 Density 33,697 per sq. mi 1. Source: Yardi Matrix as of April 30, 2023 2. Source: US Census Bureau Estimates as of July 1, 2021 W 3. 4. Owned 14 6 LO 5 1 3 3 1 Renter % 80.2% SF per Capita CAGR '15-22 +6.5% % of Existing Stock 15.0% 10.0% 5.0% 0.0% Source: YardiMatrix, CUBE internal market data CUBE average same-store in-place rent per occupied square foot as of March 31, 2023 Key Submarkets Riverdale/ Kingsbridge South Bronx Bronx River/ Bruckner Co-Op City Bronx Annual Deliveries .... 2015 2016 2017 2018 2019 2020 2021 Avg. Market Rent4 < $35 $35 to $40 $40 to $45 > $45 2022 2023 Don't Compete Competes w/ CUBE 8

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