Company: NSA-PB
Filing Date: 2025-03-28
Form Type: DEF 14A
Source: 0001628280-25-015431
Chunk: 19

Company: National Storage Affiliates Trust
Filing Date: 2025-03-28
Form: DEF 14A
Chunk 19
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 cast on this proposal at the Annual Meeting is required for its approval. Proxies solicited by our Board will be voted FOR this proposal, unless otherwise instructed. Abstentions and broker non-votes, if any, will not be counted as votes cast and will have no effect on the result of the vote, although they will be considered present for the purpose of determining the presence of a quorum.

Our Board recommends a vote FOR the ratification of the appointment of KPMG as our independent registered public accounting firm for our fiscal year ending December 31, 2025.

| NATIONAL STORAGE AFFILIATES 2025 PROXY STATEMENT |     | 25 |

| OUR COMPANY |

### WHO WE ARE
We, at NSA, support over 1,400 jobs across the United States. Our team of talented people, in turn, helps us provide the services we offer and supports the value we create. We are expected in this proxy statement to share information on our executive officers, which we do here, but each of them—as well as each of our trustees—is keenly aware of the importance of our entire team.

| Tamara D. Fischer |     |                                                                 |
|                   |     | Executive Chairperson                                           
 For Ms. Fischer's biography, please see "Our Board–Who We Are." |

| Arlen D. Nordhagen |     |                                                                   |
|                    |     | Vice Chairperson                                                  
 For Mr. Nordhagen's biography, please see "Our Board–Who We Are." |

| David G. Cramer |     |                                                                |
|                 |     | Chief Executive Officer, President and Trustee                 
 For Mr. Cramer's biography, please see "Our Board–Who We Are." |

| NATIONAL STORAGE AFFILIATES 2025 PROXY STATEMENT |     | 26 |

| William S. Cowan, Jr. 
 Age:  49              |     |                                                                                                                                                                          |     | EXPERIENCE                                                                                                                                                                                   |
|                       |     | 2023 - Present                                                                                                                                                           |     | –Executive Vice President & Chief Strategy Officer of NSA since May 2023                                                                                                                     |
|                       |     | 2012 - 2023                                                                                                                                                              |     | –Managing Director in the Real Estate, Gaming, Lodging and Leisure Group of Jefferies LLC, leading the U.S. coverage efforts for self storage, multifamily, industrial and net lease sectors |
|                       |     | Other Prior Experience                                                                                                                                                   |     | –Worked in the Real