Tecteon PLC
09 November 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:


2. Reason for the notification (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:



Mrs J E and Mr V S Reddy



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):



9 November 2007





6. Date on which issuer notified:



9 November 2007





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



3%



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
Ordinary




 GB0000530716                     8,692,965 (3.85%)                  8,692,965 (3.85%)



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                                                                                 
              Ordinary           3,500,000                   3,500,000                 1.55%
                                                      

  
                                                     Direct       Indirect        Direct          Indirect


                                                     3,500,000                    1.55%


 GB0000530716                3,500,000               3,500,000     0              1.55%           0



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.

 N/A



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



3,500,000                      1.55%



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:



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: Mr V S Reddy



15. Contact telephone number: 0121-236-6196






                      This information is provided by RNS
            The company news service from the London Stock Exchange