Global Self Storage, Inc.

Same-Store Self Storage Operations Definition

We consider our same-store portfolio to consist of only those stores owned and operated on a stabilized basis at the beginning and at the end of the applicable periods presented. We consider a store to be stabilized once it has achieved an occupancy rate that we believe, based on our assessment of market-specific data, is representative of similar self storage assets in the applicable market for a full year measured as of the most recent January 1 and has not been significantly damaged by natural disaster or undergone significant renovation or expansion. We believe that same-store results are useful to investors in evaluating our performance because they provide information relating to changes in store-level operating performance without taking into account the effects of acquisitions, dispositions or new ground-up developments. As of December 31, 2024, we owned 12 same-store properties and zero non-same-store properties. The Company believes that by providing same-store results from a stabilized pool of stores, with accompanying operating metrics including, but not limited to, variances in occupancy, rental revenue, operating expenses, NOI, etc., stockholders and potential investors are able to evaluate operating performance without the effects of non-stabilized occupancy levels, rent levels, expense levels, acquisitions or completed developments. Same-store results should not be used as a basis for future same-store performance or for the performance of the Company’s stores as a whole.