March 2023 Investor Presentation

CubeSmart's History A history of executing on strategic objectives 2004 U-Store-It initial public offering 2012 Issued debut investment grade unsecured senior notes 2006 Arrival of current management team 2012 2010 Acquired United Stor-All to 2018 establish the third-party management platform 2011 Rebranded the company as CubeSmart 2020 Won 1st ISS industry award for Best Customer Service Opened 1,000th CubeSmart location Launched fully online rental platform, SmartRental Acquired 59 property CURE SMART 2011 Acquired 22 property Storage Deluxe portfolio located primarily in NYC for $560 2021 Storage West portfolio for $1.7 billion million 5

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