Kenyon Tiffany S. sold NSA

Footnotes

Pursuant to the agreement of limited partnership (the "Partnership Agreement") of NSA OP, LP (the "Partnership"), the Reporting Person has the right to cause the Partnership to redeem all or a portion of the Reporting Person's Class A common units of limited partner interest ("Class A OP Units") for cash in an amount equal to the market value of an equivalent number of the common shares of beneficial interest ("Shares") of National Storage Affiliates Trust (the "Issuer"), or at the Issuer's option, Shares on a one-for-one basis, subject to certain adjustments.; The Class A OP Units in the first row of this table are comprised of 11,728 Class A OP Units issuable upon the conversion of 11,728 unvested long-term incentive plan units ("LTIP Units") in the Partnership which were granted to the Reporting Person pursuant to a 2024 LTIP Unit Award Agreement between the Issuer and the Reporting Person under the Issuer's 2015 Equity Incentive Plan. Of these, 3,304 vest in three annual installments on January 1, 2025, January 1, 2026, and January 1, 2027, subject to continued employment by the Reporting Person and 8,424 represent the maximum amount of LTIP Units that can vest on January 1, 2027 contingent upon the achievement of certain performance criteria.; Pursuant to the Partnership Agreement, upon the achievement of certain conditions, a holder of LTIP Units of the Partnership is entitled to convert such LTIP Units into Class A OP Units of the Partnership on a one-for-one basis.; Consists of 5,581 LTIP Units held by the Reporting Person which were converted into 5,581 Class A OP Units as described in footnote 7 above.; N/A; The Reporting Person's total direct and indirect beneficial ownership of Class A OP Units following the reported transactions above (including the LTIP Units conversion described in footnote 8 below) is 52,936 Class A OP Units, which includes those Class A OP Units previously reported and the Class A OP Units reported herein (together with those securities convertible into, or exchangeable for, such Class A OP Units as specified therein).; Following the reported transactions, the Reporting Person has total direct beneficial ownership in 1,200 vested LTIP Units and 25,056 unvested LTIP Units. The Reporting Person previously reported the 5,581 LTIP Units that were converted into Class A OP Units as described in this Form 4 as Class A OP Units on an as-converted basis. Accordingly, rows 2 and 3 of this Form 4 are being filed on a voluntary basis solely to provide notice of the conversion of the Reporting Person's 5,581 LTIP Units into 5,581 Class A OP Units.