Notification of Interest

Sondex PLC
01 February 2007


Sondex plc                                                    (31) January 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

2. Reason for the notification (please tick the appropriate box or
boxes)

- An acquisition or disposal of voting rights:

- 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): X (INITIAL NOTIFICATION DUE TO CHANGE OF THRESHOLD)


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

ABERFORTH Partners LLP

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

(NA)/(SEE SECTION 9 BELOW)


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

20 JANUARY 2007


6. Date on which issuer notified:

30 JANUARY 2007


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

5%

8. Notified details:

A: Voting rights attached to shares

Class/type of  Situation previous  Resulting situation after the triggering
shares         to the Triggering   transaction
               transaction
if possible
using the ISIN Number      Number of  Number    Number of voting    % of voting
CODE           of          Voting     of        rights              rights
               Shares      Rights     shares

                                      Direct    Direct   Indirect     Direct   Indirect
Ordinary Shares  4,024,900 4,024,900  N/A       N/A     4,024,900    N/A      7.09%
GB0033047100

B: Financial Instruments

Resulting situation after the triggering transaction

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

Total (A+B)

Number of voting rights                      % of voting rights

4,024,900                                            7.09%

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

ABERFORTH PARTNERS LLP

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: NONE

14. Contact name: Chris Wilks

15. Contact telephone number: [phone]



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