Company: NSA-PB
Filing Date: 2025-03-28
Form Type: DEF 14A
Source: 0001628280-25-015431
Chunk: 73

Company: National Storage Affiliates Trust
Filing Date: 2025-03-28
Form: DEF 14A
Chunk 73
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ATES 2025 PROXY STATEMENT |     | 63 |

Our Board knows of no other matters or business to be presented for consideration at the Annual Meeting. If, however, any other matters properly come before the Annual Meeting or any adjournments or postponements thereof, it is the intention of the persons named in the enclosed proxy to vote such proxy in accordance with their discretion on any such matters.

| NATIONAL STORAGE AFFILIATES 2025 PROXY STATEMENT |     | 64 |

| OUR MEETING |

### GENERAL MEETING INFORMATION
We are providing this Proxy Statement on behalf of the Board to solicit your proxies for use at the Annual Meeting. Our Common Shares are listed on the NYSE under the symbol "NSA". This Proxy Statement, the Notice of Annual Meeting of Shareholders and the related proxy card are first being made available to shareholders on or about March 28, 2025.

#### VOTING INFORMATION

#### Meeting Date, Time and Location
The Annual Meeting will be held virtually on May 12, 2025, at 11:00 a.m., Mountain Daylight Time (MDT), or at any postponements or adjournments thereof. You will only be able to attend the Annual Meeting via live webcast by visiting www.virtualshareholdermeeting.com/NSA2025. The virtual meeting has been designed to provide the same rights to participate as you would have had at an in-person meeting.

During the Annual Meeting, you may ask questions and will be able to vote your shares electronically from your home or any remote location with Internet connectivity. We will allocate up to fifteen minutes to answer questions that we deem appropriate and that are pertinent to the Company and the business conducted at the Annual Meeting, and we intend to respond to as many such inquiries at the Annual Meeting as time allows. We request that each shareholder submit no more than two questions, and we may combine similar questions and answer them at once, so that we may have an opportunity to respond to as many questions as possible in the allotted time. If a shareholder has a question that is not appropriate for general discussion, you may contact our Investor Relations team at (720) 630-2600.

If you plan to attend the Annual Meeting via the live webcast, you will need the 16-digit control number included in your Notice, on your proxy card or on the instructions that accompany your proxy materials. The Annual Meeting will begin promptly at 11:00 a.m., MDT. Online check-in will begin at