Holding(s) in Company

ReNeuron Group plc
12 April 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                        SAAD INVESTMENTS COMPANY LIMITED
notification obligation

4. Full name of shareholder(s) (if different from 3.)           Vidacos Nominees Ltd (Citigroup
                                                                Global AWAL)
5. Date of the transaction and date on which the                Not specified.
threshold is crossed or reached

6. Date on which issuer notified                                11 April 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       36,366,666  36,366,666       0       26.4117%        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

36,366,666                                           26.4117%

     
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:


14.  Contact name:                                    Michael Hunt, CEO


15.  Contact telephone number:                        01483 302560



Signed: ...................................................Michael Hunt, CEO





ANNEX TO NOTIFICATION OF MAJOR INTERESTS IN SHARES


A:       Identity of the person or legal entity subject to the notification obligation

Full name (including legal form for legal entities)      Saad Investments Company Limited

Contact address (registered office for legal             80 rue de Lausanne, 1202 Geneva, Switzerland
entities)

Phone number                                             [phone]

Other useful information (at least legal                  -
representative for legal persons)


B:       Identity of the notifies; if applicable

Full name                                                N/A

Contact address                                          N/A

Phone number                                             N/A

Other useful information (e.g. functional                N/A
relationship with the person or legal entity subject
to the notification obligation)


C:       Additional information

N/A


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