Company: NSA-PB
Filing Date: 2025-03-28
Form Type: DEF 14A
Source: 0001628280-25-015431
Chunk: 39

Company: National Storage Affiliates Trust
Filing Date: 2025-03-28
Form: DEF 14A
Chunk 39
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 | 0.7x -150.6x(3)                                                          |

(1) Expressed as a multiple of annual base salary for NEOs and annual cash compensation for independent trustees (without regard to whether such annual cash compensation is taken in equity) at the time that the NEOs and independent trustees became subject to the guidelines or, if applicable, at the time that the NEOs experienced a change in employment which increased the requirement ("Measurement Time"). This multiple is then converted into a required number of shares that must be held based upon the share price at the Measurement Time as determined in accordance with the policy ("Required Amount").

(2) Calculated based on the number of Common Shares, OP units, vested LTIP units, time-based unvested LTIP units, Series A Preferred Shares and Series B Preferred Shares that are held and not pledged as of December 31, 2024 and the Required Amount that must be held, which is determined in the manner set forth in clause (1) above.

(3) Each person covered by the minimum equity ownership guidelines must meet the requirements within five years after the date that they became subject to the policy (or, if the requirement increases due to a change in position of employment, any incremental increase in the required ownership level must be satisfied within five years after the change in position has become effective).

| NATIONAL STORAGE AFFILIATES 2025 PROXY STATEMENT |     | 43 |

#### INSIDER TRADING POLICY
We have adoptedthe statement of corporate policy regarding equity transactions (the "Insider Trading Policy"), which prohibits all trustees, officers, employees and consultants from engaging in any transaction involving the purchase, sale or transfer of Company securities based on material non-public information about the Company. We also take appropriate steps to comply with applicable securities laws and regulations and stock exchange listing standards when we engage in transactions in our securities. We believe that our Insider Trading Policy and procedures are reasonably designed to promote compliance with insider trading laws, rules and regulations and listing standards applicable to the Company. A copy of our Insider Trading Policy is filed as Exhibit 19.1 to our annual report on Form 10-K for the year ended December 31, 2024 ("2024 Form 10-K"), which was filed with the SEC on February 27, 2025.

#### TIMING OF CERTAIN EQUITY AWARDS
We do not currently grant awards of stock options, stock appreciation rights, or similar option-like awards as part of our compensation program. We do not time