Exhibit 10.7
Lock-up Agreement
April 2, 2020
National Storage Affiliates Trust
8400 East Prentice Avenue, 9th Floor
Greenwood Village, Colorado 80111

RE: Lock-up of Company Shares to be Issued in the SecurCare Merger
Ladies & Gentlemen:
National Storage Affiliates Trust (the “Company”) has issued to the undersigned
1,858,737 common shares of beneficial interest, par value $0.01 per shares
(“Shares”) of the Company in connection with the closing of the merger of
SecurCare Self Storage, Inc. ("SecurCare"), with and into NSA Holding Company I,
LLC ("Merger Sub"), with Merger Sub surviving as a wholly owned subsidiary of
the Company (the "SecurCare Merger"). Of these, 1,626,447 Shares reflect the
undersigned's pro rata percentage of 99% of the total Shares attributable to the
6,769,083 OP Units in NSA OP, LP that SecurCare would have been entitled to
receive upon conversion of all of its outstanding Series SC Class B OP Units
(the "Conversion Shares").
Annex A sets forth definitions for capitalized terms used in this letter
agreement that are not defined in the body of this agreement. Those definitions
are a part of this agreement.
In consideration of the foregoing, and for other good and valuable
consideration, the receipt and sufficiency of which are hereby acknowledged, the
undersigned hereby agrees that, during the Lock-up Period, the undersigned will
not take the following actions without the prior written consent of the Company
(which the Company may withhold in its sole discretion):
i. Sell or Offer to Sell any Lock-Up Shares owned either of record or
beneficially (as defined in Rule 13d-3 under the Exchange Act) by the
undersigned, or
ii. enter into any Swap relating to any Lock-up Shares.
The foregoing restrictions shall not apply to the transfer of Lock-Up Shares (A)
by bona fide gift or gifts, (B) by will or intestate succession to a Family
Member, (C) to a trust whose beneficiaries consist exclusively of one or more of
the undersigned and/or a Family Member, or (D) the contribution by the
undersigned of 48,541 Shares to SecurCare Bonus Pool, LLC.
This letter agreement will terminate upon the earliest to occur of (a) the
mutual agreement of the parties, (b) the termination of the undersigned's
employment with the Company or any of its subsidiaries; or (c) the end of the
Lock-up Period.
The undersigned also agrees and consents to the entry of stop transfer
instructions with the Company’s transfer agent and registrar against the
transfer of Lock-Up Shares held by the undersigned except in compliance with the
foregoing restrictions.
The undersigned hereby represents and warrants that the undersigned has full
power, capacity and authority to enter into this letter agreement. This letter
agreement is irrevocable and will be binding on the undersigned and the
successors, heirs, personal representatives and assigns of the undersigned.
This letter agreement shall be governed by, and construed in accordance with,
the laws of the State of New York, without regard to the conflict of law
principles thereof.
/s/ David Cramer
Signature
David Cramer
(Indicate capacity of person signing if signing
as custodian or trustee, or on behalf of an entity)

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Certain Defined Terms
Used in Lock-up Agreement
For purposes of the letter agreement to which this Annex A is attached and of
which it is made a part:
•“Call Equivalent Position” shall have the meaning set forth in Rule 16a-1(b)
under the Exchange Act.
•“Exchange Act” shall mean the Securities Exchange Act of 1934, as amended.
•“Family Member” shall mean the spouse of the undersigned, an immediate family
member of the undersigned or an immediate family member of the undersigned’s
spouse, in each case living in the undersigned’s household or whose principal
residence is the undersigned’s household (regardless of whether such spouse or
family member may at the time be living elsewhere due to educational activities,
health care treatment, military service, temporary internship or employment or
otherwise). “Immediate family member” as used above shall have the meaning set
forth in Rule 16a-1(e) under the Exchange Act.
•“Lock-up Period” shall mean the period beginning on the date hereof and
continuing through the close of trading on January 1, 2025.
•“Lock-up Shares” shall mean the applicable percentage of the Conversion Shares
during the 12-month period commencing on January 1 of the years set forth below:

PeriodApplicable Percentage2020100%202180%202260%202340%202420%20250%

•“Put Equivalent Position” shall have the meaning set forth in Rule 16a-1(h)
under the Exchange Act.
•“Securities Act” shall mean the Securities Act of 1933, as amended.
•“Sell or Offer to Sell” shall mean to:
- sell, offer to sell, or contract to sell,
- effect any short sale or establish or increase a Put Equivalent Position or
liquidate or decrease any Call Equivalent Position, or
- in any other way dispose of,
in each case whether effected directly or indirectly.
•“Swap” shall mean any swap, hedge or similar arrangement or agreement that
transfers, in whole or in part, the economic risk of ownership of Lock-Up
Shares, regardless of whether any such transaction is to be settled in
securities, in cash or otherwise.
Capitalized terms not defined in this Annex A shall have the meanings given to
them in the body of this lock-up agreement.