CubeSmart Investor Presentation Deck

Market Leader in New York City NYC competitive advantage is a key component of our long-term strategy Best-In Class Portfolio Our NYC stores make up the largest portfolio of purpose-built, Class-A properties in the outer boroughs that create vibrant billboards for our brand Lowest Supplied Market Supply across the three key outer boroughs is 2.7 SF per capita¹, the lowest nationally and less than half the national average of 7.6 SF per capita². Supply pipeline is waning due to recent legislative changes removing self- storage eligibility for the ICAP tax incentive program 1. Source: CubeSmart internal market research 2. Source: 2023 Self-Storage Almanac Unique Submarkets Each borough features a robust local economy with its own unique, stable demand drivers Portfolio Composition³ All Other Markets Bronx 5.4% Brooklyn 5.1% Queens 5.2% Northern NJ 3.7% Other NYC 0.9% Westchester 1.4% Long Island 1.2% 3. Total portfolio NOI for the three months ended March 31, 2023 LOADING I-FFF- CUBESMART self storage+logistics 800-800-1717 10

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