Company: NSA-PB
Filing Date: 2025-03-28
Form Type: DEF 14A
Source: 0001628280-25-015431
Chunk: 5

Company: National Storage Affiliates Trust
Filing Date: 2025-03-28
Form: DEF 14A
Chunk 5
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, but it will consider recommendations by shareholders with respect to elections to be held at an annual meeting, so long as such recommendations are sent within a reasonable period of time prior to the decision. The CNCG Committee will evaluate nominees recommended by shareholders against the same criteria that it uses to evaluate other nominees. The CNCG Committee may, in its sole discretion, engage one or more search firms or other consultants, experts or professionals to assist in, among other things, identifying trustee candidates or gathering information regarding the background and experience of trustee candidates. If the CNCG Committee engages any such third party, the CNCG Committee will have sole authority to approve any fees or terms of retention relating to these services.

### HOW WE GOVERN AND ARE GOVERNED

#### BOARD OF TRUSTEES
Our Board is responsible for overseeing our affairs. Our Board conducts its business through meetings and actions taken by written consent in lieu of meetings. Our Board intends to hold at least four regularly scheduled meetings per year and additional special meetings as necessary. During 2024, our Board held six meetings. All of our trustees attended at least 75% of the meetings of our Board and of the Audit Committee, CNCG Committee, and Finance Committee, on which they served during this period. Our Board's policy, as set forth in our Guidelines, is to encourage and promote the attendance by each trustee at all scheduled meetings of our Board and all meetings of our shareholders.

#### TRUSTEE INDEPENDENCE
The Guidelines provide that a majority of the trustees serving on our Board must be independent as required by the New York Stock Exchange ("NYSE") listing standards. Our Board has also adopted certain independence standards (the "Independence Standards") to assist it in making determinations with respect to the independence of trustees. The Independence Standards are available for viewing on the Investor Relations section of our website at www.nsastorage.com. Based upon its review of all relevant facts and circumstances, our Board affirmatively determined in 2024 and 2025 that Warren W. Allan, Lisa R. Cohn, Paul W. Hylbert, Jr., Chad L.

| NATIONAL STORAGE AFFILIATES 2025 PROXY STATEMENT |     | 13 |

Meisinger, Steven G. Osgood, Dominic M. Palazzo, Michael J. Schall, Rebecca L. Steinfort, and Charles F. Wu qualified as independent trustees as required by the NYSE listing standards, SEC rules, and our Guidelines and Independence Standards. In 2024, the Board also