Holding(s) in Company

RNS Number:4642Q
Alexon Group PLC
31 January 2007



TR-1: notification of major interests in shares

1. Identity of the issuer or the underlying             Alexon Group Ord 10p
issuer 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 voting rights are      -------
attached
--------------------------------------------
An event changing the breakdown of voting rights                             
--------------------------------------------                             -------
Other (please specify): Initial notification as per regulatory
requirement                                                              -------
--------------------------------------------
3. Full name of person(s) subject to the                   Schroders plc
notification obligation:                                --------------------
-------------------------------
4. Full name of shareholder(s) (if different
from 3.):                                               --------------------
-------------------------------
5. Date of the transaction (and date on which                29/01/2007
the threshold is crossed or reached if                  --------------------
different):
-------------------------------
6. Date on which issuer notified:                            30/01/2007
-------------------------------                         --------------------
7. Threshold(s) that is/are crossed or reached:           From 18% to 16%
-------------------------------                         --------------------
8. Notified details:
-------------------------------                         --------------------







A: Voting rights attached to shares
Class/type   Situation previous to the   Resulting situation after the triggering
of shares    Triggering transaction      transaction
if possible
using the    Number of     Number of     Number Number of voting    % of voting rights
ISIN CODE    Shares        Voting Rights of     rights ix
                           viii          shares
                                         Direct Direct Indirect xi  Direct Indirect
                                                x
Ordinary      10,254,110    10,254,110   N/A    N/A     9,566,028   N/A     9,566,028
GB0008444027

B: Financial Instruments
Resulting situation after the triggering transaction xii
Type of     Expiration Exercise/       Number of voting rights that may  % of
financial   date xiii  Conversion      be acquired if the instrument is  voting
instrument             Period/ Date    exercised/ converted.             rights
                       xiv


Total (A+B)
Number of voting rights                      % of voting rights
                                 9,566,028                              16.816%








9. Chain of controlled undertakings through which the voting rights and/or the
financial instruments are effectively held, if applicable xv:
Schroder Investment Management Limited 9,563,576 16.812%
Schroder Investment Management Japan Limited 2,452 0.0043%

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    The Shares referred to in section 9 are held in portfolios
information:   manages by those firms on a discretionary bases for clients under
                               investment management agreements.
14. Contact
name:
15. Contact
telephone
number:




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

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