CubeSmart Investor Presentation Deck

Platform | Portfolio | Balance Sheet | Company Robust Portfolio Growth Strategically increase the scale of the platform 1400 1200 1000 800 600 400 200 0 460 2010 mi 2012 1. As of December 31, 2022 2011 2013 2014 2015 2016 2017 2018 2019 2020 2021 ■Wholly-Owned Joint Venture Managed 1,279 2022¹ Multi-Faceted Growth Strategy Continue to utilize wide variety of avenues to grow the portfolio Brand Awareness Since 2010, increased stores on the platform by 178% Customer Data Points The consistent growth in CubeSmart stores has substantially increased our customer base by ~521k since 2010 16

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