Holding(s) in Company

Sondex PLC
11 July 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:

Sondex Plc (Ord 10p).................



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



An acquisition or disposal of voting rights: (x)



An acquisition or disposal of financial instruments which may result in the
acquisition of shares already issued to which voting rights are attached: (    )



An event changing the breakdown of voting rights: (    )



Other (please specify) : (    )

.................



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

SCHRODERS PLC



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

.................



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

9th July 2007



6. Date on which issuer notified:

10th  July 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

GB0033047100                      n/a                                n/a


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


                             n/a                      n/a          2,882,103            n/a         5.063%



B: Financial Instruments

Resulting situation after the triggering transaction


Type of         Expiration Date      Exercise/Conversion       Number of voting rights     % of voting rights
financial                            Period/ Date              that may be acquired if the
instrument                                                     instrument is exercised/
                                                               converted.





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


2,882,103                      5.063%



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



Schroder Investment Management Limited                   2,823,281 4.96%



Schroder Investment Management North America Limited        10,172 0.02%

Schroder & Co Bank AG                                       48,650 0.08%



Proxy Voting:



10. Name of the proxy holder:

n/a



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

n/a



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

n/a



13. Additional information:

The shares referred to in section 9 are held in portfolios managed by those
firms on a discretionary basis for clients under investment management
agreements.

14. Contact name:

Andrea Rowe



15. Contact telephone number:

020 7658 2521


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