Acertec Holding(s) in Company

RNS Number:4079S
Acertec PLC
15 April 2008



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:

Acertec plc

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:

Brian Anthony Charles Kingham

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):

11/04/08

6. Date on which issuer notified:

15/04/08

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

3%

8. Notified details:
.................

A: Voting rights attached to shares

Class/type of shares if       Situation previous to the Triggering transaction
possible using the ISIN
CODE
                              Number of shares      Number of voting Rights
                              1,540,000

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
                             1,990,000                                    3.875%

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    
instrument                                            the instrument is                
                                                      exercised/ converted.

Total (A+B)
Number of voting rights       % of voting rights
1,990,000                     3.875%

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


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:

N/A

14. Contact name:

John Davies, Company Secretary, Acertec plc

15. Contact telephone number:

01789 403073




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