Holding(s) in Company

RNS Number:4391R
EiRx Therapeutics PLC
02 April 2008


Financial Services Authority




                                   TR-1 i: NOTIFICATION OF MAJOR INTERESTS IN SHARES




1.   Identity of the issuer or the underlying               Eirx Therapeutics Plc

issuer of existing shares to which

voting rights are attached ii:
2.   Reason for 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):
                                                                            

3.   Full name of person(s) subject to the                                Barclays PLC

notification obligation iii:


4.   Full name of shareholder(s) (if different from 3):                   
     Barclays Stockbrokers Ltd
                                                                             

5.   Date of transaction and date on which the threshold is               28-Mar-08
crossed or reached v:
                                                                             
6.   Date on which issuer notified:                                       02-Apr-08

                                                                            

7.   Threshold(s) that is/are crossed or reached:                         11% to 9%


8.   Notified details:




A: Voting rights attached to shares


Class/type       Situation               Resulting situation after the triggering transaction vii

of shares        previous to the

                 Triggering

if possible      transaction vi
using the ISIN
CODE
                 Number      Number      Number          Number of Voting Rights     % of voting rights

                 Of          Of          Of

                 Shares      Voting      Shares
                             Rights viii                   Direct x     Indirect xi    Direct    Indirect
    GB00B0XQBS97 806,354,570 806,354,570     689,459,431             0   689,459,431       0.00       9.88


B: Financial Instruments
Resulting situation after the triggering transaction xii


Type of financial   Expiration       Exercise/Conversion     No. of voting         Percentage of voting
instrument                           Period/Date xiv                               rights
                    date xiii                                rights that may be
                                                             acquired if the
                                                             instrument exercised/
                                                             converted
N/A                 N/A              N/A                     N/A                   N/A


Total (A+B)
Number of voting rights                             Percentage of voting rights
                    689,459,431                                              9.88


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


Proxy Voting:
10. Name of proxy holder:                           N/A
11. Number of voting rights proxy holder will cease N/A
to hold:
12. Date on which proxy holder will cease to hold   N/A
voting rights:


13. Additional information:                          N/A
14.    Contact name:                                 Geoff Smith
15.    Contact telephone number                      020 7116 2913


Annex to Notification Of Major Interest In Shares  xvi


A:  Identity of the person on legal entity subject to the notification obligation
Full name   (including legal form for legal entities)           Barclays PLC
Contact address   (registered office for legal entities)        1 Churchill Place

                                                                London E14 5HP
Phone number                                                    020 7116 2913
Other useful information   (at least legal representative for

                                             legal persons)


B:  Identity of the notifier, if applicable xvii
Full name                                                       Geoff Smith
Contact address                                                 BARCLAYS PLC

                                                                1 Churchill Place

                                                                London E14 5HP
Phone number                                                    020 7116 2913
Other useful information   (e.g. functional relationship with
the

                                             person or legal
entity subject to the

                                             notification
obligation)


C:  Additional information






For notes on how to complete form TR-1 please see the FSA website.


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