Investor Presentaiton

1 Major U.S. Markets: Miami/Ft. Lauderdale and LA SmartStop Self Storage REIT, Inc. ...The Smarter Way to Store! 27 41 Big Cypress National Preserve Miami/Ft. Lauderdale Jupiter 98 Royal Palm Beach West Palm Beach 27 Coral Springso Los Angeles Lancaster Lake Hughes Quartz Hill Boynton Beach Fillmore 126 Santa Clarita Delray Beach ula 23 Boca Raton Simi Valley 23 118 rillo Pompano Beach Thousand Oaks Fort Lauderdale Hollywood Everglades and Francis S. Taylor Wildlife... Hialeah Doral Miami Kendall Homestead Palmdale 138 Lake Los Angeles Angeles National Forest Mt San Antonio 210 Burbank 101 Pasadena Azusa 21 Operating Properties Owned in Miami/Ft. Lauderdale and Los Angeles 135,000 Average 3-mi Population $82,000 Average 3-mi Household Income 1.78 Million Net Rentable Square Feet Q3 2023 Q3 2023 MSA(1) NRSF Portfolio % by NRSF Units # of Stores Ending Rent Occ. POF(1) Ontario Chino Miami/Ft. Lauderdale 1,121,500 9.0% 9,420 11 93.3% $25.54 Los Angeles 660,400 5.3% 6,200 10 92.6% 26.18 Con Partial Portfolio 1,781,900 14.3% 15,620 21 Totals Los Angeles Inglewood Compton Torrance Anaheim Long Beach Santa Ana 241 Irvine Huntington Beach Lake Forest 73 Mission Viejo Sources: Company internal data as of 9/30/23. (1) RentPOF defined as annualized rental revenue net of discounts & concessions, excluding late fees, administrative fees and parking income, divided by occupied square feet of storage. Investor Presentation | 8

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