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SmartStop Self Storage REIT Announces the Date of Its Second Quarter 2025 Earnings Release, Conference Call and Webcast

SmartStop Self Storage REIT, Inc. (“SmartStop”) (NYSE: SMA), an internally managed real estate investment trust and a premier owner and operator of self-storage facilities in the United States and Canada, announced today that it will release its financial results for the second quarter ended June 30, 2025, after market close on Wednesday, August 6, 2025.

Management will host a conference call and webcast to discuss the results on Thursday, August 7, 2025, at 1:00 p.m. Eastern Daylight Time. During the call, company officers will review operating performance, discuss recent events, and conduct a question-and-answer session. The question-and-answer portion will be limited to registered financial analysts. All other participants will have listen-only capability.

Webcast Details:

A live webcast of the call will be available on the Investor Relations section of the Company’s website at investors.smartstopselfstorage.com. To access the live webcast, participants are encouraged to visit the site at least 15 minutes before the scheduled start time in order to register, download and install any necessary software. A replay of the webcast will be available on the Company’s website following the live event.

About SmartStop Self Storage REIT, Inc. (SmartStop):

SmartStop Self Storage REIT, Inc. (“SmartStop”) (NYSE: SMA) is a self-managed REIT with a fully integrated operations team of more than 600 self-storage professionals focused on growing the SmartStop® Self Storage brand. SmartStop, through its indirect subsidiary SmartStop REIT Advisors, LLC, also sponsors other self-storage programs. As of July 10, 2025, SmartStop has an owned or managed portfolio of 229 operating properties in 23 states, the District of Columbia, and Canada, comprising approximately 164,300 units and 18.4 million rentable square feet. SmartStop and its affiliates own or manage 43 operating self-storage properties in Canada, which total approximately 36,400 units and 3.7 million rentable square feet. Additional information regarding SmartStop is available at www.smartstopselfstorage.com

Contacts

David Corak

Senior VP of Corporate Finance & Strategy

SmartStop Self Storage REIT, Inc.

IR@smartstop.com