SmartStop Prices Canadian Maple Bond Offering 634t5a

LADERA RANCH, Calif., June 12, 2025 –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 the pricing of a Canadian Maple Bond offering. SmartStop’s d operating partnership, SmartStop OP, L.P., will issue CAD $500 million of series A senior unsecured notes due June 16, 2028 (the “Notes”). The Notes bear interest at a rate of approximately 3.91% per annum, payable in cash in equal semi-annual installments, commencing on December 16, 2025. The effective interest rate on the indentures after ing for an interest rate hedge is approximately 3.85%. The Notes are rated BBB (Stable) by Morningstar DBRS. 1z4b3n

SmartStop intends to use the net proceeds from the offering to repay outstanding higher interest rate indebtedness, fund acquisitions and for general corporate purposes. The closing of the offering is expected to occur on June 16, 2025, subject to the satisfaction of customary closing conditions.

The Notes will not be ed under the Securities Act of 1933, as amended (the “Securities Act”), or any state securities laws in the United States and may not be offered or sold in the United States absent registration or an applicable exemption from the registration requirements under the Securities Act and applicable state securities laws. The Notes were offered exclusively to persons resident in a Canadian province through a syndicate of agents on a private placement basis. The Notes will not be sold to investors outside of Canada.

This news release does not constitute an offer to sell or the solicitation of an offer to buy, nor shall there be any sale of the Notes in any state or jurisdiction in which such offer, solicitation, or sale would be unlawful prior to registration or qualification under the securities laws of any such state or jurisdiction. This press release is being issued pursuant to and in accordance with Rule 135c under the Securities Act.