National Storage Affiliates Trust

ITEM 5.07. Submission of Matters to a Vote of Security Holders. National Storage Affiliates Trust ("NSA") held a Special Meeting of Shareholders on July 14, 2026 (the "Special Meeting"), at which 65,778,651 of the 77,625,567 common shares of beneficial interest, par value $0.01 per share of NSA ("NSA common shares") outstanding as of the record date of June 1, 2026 were represented in person via the live webcast or by proxy, representing approximately 85% of the NSA common shares entitled to vote. The following are the final voting results of the proposals considered and voted upon at the Special Meeting, each of which is described in greater detail in NSA’s definitive proxy statement, filed with the Securities and Exchange Commission (the "SEC") on June 12, 2026 (as amended and supplemented by NSA in its Current Report on Form 8-K filed with the SEC on July 8, 2026). (1) Merger Proposal: to approve the merger of NSA with and into Pelican Merger Sub I, LLC ("Merger Sub I"), a wholly owned direct subsidiary of Public Storage, pursuant to the Agreement and Plan of Merger, dated as of March 16, 2026 (as amended from time to time, the "merger agreement"), by and among NSA, NSA OP, LP, Public Storage, Public Storage OP, L.P., Merger Sub I, and Pelican Merger Sub II, LLC, an indirect subsidiary of Public Storage, with Merger Sub I continuing as the surviving company (the "company merger"), and the other transactions contemplated by the merger agreement (the "merger proposal"). Votes For Votes Against Abstain ────────────────────────────────────────────── 65,683,522 58,214 36,915 (2) Compensation Proposal: to approve, on a non-binding, advisory basis, the compensation that may be paid or become payable to NSA’s named executive officers that is based on or otherwise relates to the company merger and the other transactions contemplated by the merger agreement. Votes For Votes Against Abstain ────────────────────────────────────────────── 56,080,837 9,454,846 242,968 As a result of the approval of the merger proposal, a previously submitted proposal to approve one or more adjournments of the Special Meeting, if necessary or appropriate, to solicit additional proxies in favor of the merger proposal was not presented at the Special Meeting.

ITEM 8.01. Other Events On July 14, 2026, NSA issued a press release announcing the results of the Special Meeting. A copy of the press release is attached hereto as Exhibit 99.1 and is incorporated herein by reference.