Shurgard

AGM Information • Apr 4, 2023

PARTICIPATION FORM: VOTING INSTRUCTION FORM

SHURGARD SELF STORAGE LIMITED

Annual General Meeting of Shareholders

Wednesday May 10, 2023 at 10:00 a.m. BST (11:00 a.m. Central European Summer Time)

Important: This signed form, together with a copy of a proof of identity and (if representing a corporation) authority to act, should be returned to SPUERKEESS, preferably via the custody chain, no later than May 3, 2023 at 11:00 p.m. BST (00:00 Central European Summer Time).

In addition to this voting instruction form, a bank certificate (or a brokerage account statement) disclosing the number of shares in which you have an interest on April 26, 2023, needs to be provided to SPUERKEESS, preferably via the custody chain, no later than May 3, 2023, at 11:00 p.m. BST (00:00 Central European Summer Time).

Remarks:

• 1. No voting instruction shall be valid after the expiration of 12 months from the date of such instrument, except at an adjourned meeting or on a poll (demanded at the AGM or an adjourned meeting that in each case was originally held within 12 months from such date).
• 2. Termination of the authority of a person to vote for you must be notified to the Company in writing.
• 3. The completion and return of this Voting Instruction Form will not prevent you from attending in person and voting at the AGM should you subsequently decide to do so.

I/we, the undersigned,

Surname and first name of the person or legal name for legal entities

Street, no.

City, postcode, country

having an interest, as of today in ______________________ shares of Shurgard Self Storage Limited,

Number of shares (ISIN GG00BQZCBZ44)

documented with both below attached

☐Copy/Scan valid identity and/or authorized signatures; and

☐Bank certificate (or account statement) disclosing the number of shared as at April 26, 2023 and blocked until May 10th 2023

Appoint the following person to vote for me/us at the AGM to be held on May 10, 2023, at 10:00 am BST (11:00 a.m. Central European Summer Time) at 65 Gresham Street, London EC2V 7NQ, United Kingdom.

(Please indicate with an "X" the appropriate option)

Chairman of the meeting

Other: Name _________________________________ Address: _________________________________

Voting Instructions

I/we hereby appoint the Chairman of the AGM or someone else to attend as set forth above and, on a poll, to vote for me/us on my/our behalf at the AGM of the Company to be held on May 10, 2023, at 10:00 a.m. BST (11:00 a.m. Central European Summer Time), and at any adjournment thereof.

Please indicate with an "X" in the appropriate box opposite the resolution how you wish your votes to be cast

	ORDINARY RESOLUTIONS	IN FAVOUR	AGAINST	ABSTAIN
1.	Submission of (i) the management reports of the Board of Directors of the Company, (ii) the report of the Company's independent auditor on the consolidated annual accounts of the Company for the financial year ended on December 31, 2022 prepared in accordance with the International Financial Reporting Standards ("IFRS") and (iii) the report of the Company's independent auditor on the stand-alone annual accounts of the Company for the financial year ended on December 31, 2022 prepared in accordance with Luxembourg GAAP.	No vote required
2.	Approval by Ordinary Resolution, of the consolidated annual accounts of the Company for the financial year ended on December 31, 2022.	□	□	□
3.	Approval by Ordinary Resolution, of the stand-alone annual accounts of the Company for the financial year ended on December 31, 2022.	□	□	□

4. Allocation of results and approval by Ordinary Resolution, that a dividend in relation to the financial year ended on December 31, 2022, of €0,59 per share be paid on or around May 24, 2023, subject to compliance by the Board of Directors with the provisions of the Companies (Guernsey) Law, 2008 as amended in relation to the payment of dividends. □ □ □ 5. Approval by Ordinary Resolution, to grant discharge to the Board of Directors of the Company for the exercise of their mandate during the financial year ended on December 31, 2022. □ □ □ 6. Approval by Ordinary Resolution, that the mandate of the following existing Directors of the Company be extended for a term ending at the Company's annual general meeting of shareholders to be held in 2024 without change to their existing remuneration as set by the ESG Committee: (i) Marc Oursin, □ □ □ (ii) Z. Jamie Behar □ □ □ (iii) Olivier Faujour □ □ □ (iv) Frank Fiskers □ □ □ (v) Ian Marcus, □ □ □ (vi) Padraig McCarthy, □ □ □ (vii) Muriel de Lathouwer. □ □ □ 7. Approval by Ordinary Resolution, that the following proposed candidates be elected as Directors of the Company for a term ending at the Company's annual general meeting of shareholders to be held in 2024, the remuneration of each, if elected, to be set at the standard levels as previously approved by the shareholders. (i)Thomas Boyle □ □ □ (ii) Lorna Brown. □ □ □ 8. Approval by Ordinary Resolution, that Ernst & Young LLP, of Royal Chambers, St Julian's Avenue, St Peter Port, Guernsey ("EY Guernsey") be appointed as auditors for a term ending at the Company's annual general meeting of shareholders to be held in 2024 (the "Audit Period") until such time as Ernst & Young Réviseurs d'Entreprises SRL ("EY Belgium") becomes listed as a recognised auditor under Guernsey law at which point EY Guernsey be replaced by EY Belgium for the Audit Period and the directors shall decide the remuneration of EY Guernsey and /or EY Belgium as applicable in respect of the foregoing. □ □ □ 9. Advisory vote on the Remuneration Report prepared by the ESG Committee of the Company for the financial year ended on December 31, 2022. □ □ □

Please be advised that if no voting instruction has been provided for an agenda item (as per the above table), the person you have appointed shall abstain from voting on that resolution.

Signature(s) …………………………………………………. Date: ………………………………………………