Shares notification

ReNeuron Group plc
31 January 2007




TR-1:  NOTIFICATION OF MAJOR INTERESTS IN SHARES


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

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


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 rioting rights are attached


An event changing the breakdown of voting rights


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

4. Full name of shareholder(s) (if different from 3.)           Not specified.

5. Date of the transaction and date on which the                Not specified.
threshold is crossed or reached

6. Date on which issuer notified                                30 January 2007


A: Voting rights attached to shares

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


Ordinary Shares      Not         Not       9,950,000    9,950,000       0         8.40%         0
                  specified   specified



B: Financial Instruments

Resulting situation after the triggering transaction

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

        N/A                -                   -                         -                     -




Total (A+B)

Number of voting rights                            % of voting rights


      9,950,000                                             8.40%


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


None specified.



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       N/A
rights:


13.  Additional information:                          Recent disposal.




14.  Contact name:                                    Michael Hunt, CEO

15.  Contact telephone number:                        01483 302560



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