Investor Presentaiton

5 SmartStop Managed REIT Platform SSTVI STRATEGIC STORAGE TRUST $534M AUM Assets Under Management on a cost basis (1) Strategic Storage Trust VI, Inc. Portfolio Stats(1) SmartStop Self Storage REIT, Inc. ...The Smarter Way to Store! STRATEGIC $167M AUM Assets Under Management on a cost basis(1) Strategic Storage Growth Trust III, Inc. Portfolio Stats (1) STORAGE GROWTH TRUST III Operating Properties 24 Net Rentable SQFT 2,100,000 Canadian Development 4 Properties Under Construction Operational Properties NRSF Allocation Units States/Provinces 18,500 10 Operating Properties 6 Net Rentable SQFT 570,000 WA, 5% AB, 2% PA, 4% OR, 3% AZ, 18% ON, 47% (1) As of 9/30/23. Includes all rentable units and rentable square feet, consisting of storage units and parking units NRSF 2,100,000 BC, 2% DE, 4% Operational Properties NRSF Allocation NJ, 12% NV, 2% FL, 13% Units 5,200 States / Provinces 4 ON, 14% CA, 19% NRSF 570,000 FL, 55% Investor Presentation | 21

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