Company: NSA-PB
Filing Date: 2025-03-28
Form Type: DEF 14A
Source: 0001628280-25-015431
Chunk: 70

Company: National Storage Affiliates Trust
Filing Date: 2025-03-28
Form: DEF 14A
Chunk 70
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 and excludes 1,359 unvested LTIP units that are scheduled to vest on May 13, 2026, so long as Mr. Schall remains a trustee.

(17) This amount includes 19,223 OP units, 8,422 vested LTIP units and 4,890 unvested LTIP units that are scheduled to vest on the earlier of May 16, 2025 and the calendar day immediately preceding the Annual Meeting, so long as Ms. Steinfort remains a trustee.

(18) This amount includes 4,714 OP units, 8,012 vested LTIP units, and 4,493 unvested LTIP units that are scheduled to vest on the earlier of May 16, 2025 and the calendar day immediately preceding the Annual Meeting, so long as Mr. Wu remains a trustee.

(19) Based on information provided in a Schedule 13G/A filed on January 24, 2024, BlackRock, Inc. reported sole voting power with respect to 8,719,403 Common Shares and sole dispositive power with respect to 9,030,972 Common Shares. The Schedule 13G/A reports beneficial ownership information, which does not include any shares acquired or sold since the date of such Schedule 13G/A. BlackRock Inc.'s address is 50 Hudson Yards, New York, NY 10001.

(20) Based on information provided in a Schedule 13G/A filed on February 13, 2024, The Vanguard Group ("Vanguard") reported shared voting power with respect to 100,477 Common Shares, sole dispositive power with respect to 10,895,108 Common Shares and shared dispositive

| NATIONAL STORAGE AFFILIATES 2025 PROXY STATEMENT |     | 62 |

power with respect to 191,011 Common Shares. The Schedule 13G/A reports beneficial ownership information, which does not include any shares acquired or sold since the date of such Schedule 13G/A. Vanguard's address is 100 Vanguard Blvd., Malvern, PA 19355.

(21) This amount includes 20,500 Common Shares held directly by Mr. Howard and 7,758,928 OP units for which Mr. Howard has or shares voting and investment power directly or indirectly through entities he controls. Mr. Howard disclaims beneficial ownership over the units shown in the table, except to the extent of his pecuniary interest therein. In addition, Mr. Howard has