Holding(s) in Company

Safestore Holdings PLC
11 April 2007



TR-1: NOTIFICATION OF MAJOR INTERESTS IN SHARES



1. Identity of the issuer or the underlying issuer of existing shares to which
voting rights are attached:



 Safestore Holdings Plc



2. Reason for the notification (please place an X inside the appropriate bracket
/s):



An acquisition or disposal of voting rights



3. Full name of person(s) subject to the notification obligation:



ING Clarion Real Estate Securities, LP



4. Full name of shareholder(s) (if different from 3.) :



N/A



5. Date of the transaction (and date on which the threshold is crossed or
reached if different):



9 March 2007



6. Date on which issuer notified:



13 March 2007



7. Threshold(s) that is/are crossed or reached:



5%



8. Notified details:



A: Voting rights attached to shares


Class/type of shares if possible              Situation previous to the Triggering transaction
using the ISIN CODE
                                  Number of shares                   Number of voting Rights


GB00B1N7Z094                      10,672,505                         10,672,505







Resulting situation after the triggering transaction


Class/type of shares if      Number of shares         Number of voting rights           % of voting rights
possible using the ISIN CODE
                             Direct                   Direct       Indirect             Direct      Indirect


Ordinary 1p shares                                                 11,493,505           0%          6.14%

GB00B1N7Z094



B: Financial Instruments

Resulting situation after the triggering transaction



N/A



Total (A+B)
Number of voting rights        % of voting rights


11,493,505                     6.14%



9. Chain of controlled undertakings through which the voting rights and/or the
financial instruments are effectively held, if applicable :





10. Name of the proxy holder:





11. Number of voting rights proxy holder will cease to hold:



12. Date on which proxy holder will cease to hold voting rights:







13. Additional information:







14. Contact name:



Stuart Beavers



15. Contact telephone number:





11 April 2007



END


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