Holding(s) in Company

Financial Services Authority

TR-1 i: NOTIFICATION OF MAJOR INTERESTS IN SHARES

1. Identity of the issuer or the underlying

issuer of existing shares to which

voting rights are attached ii:

Eirx Therapeutics Plc

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

An acquisition or disposal of voting rights

Yes

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

Yes

Other (please specify):

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

notification obligation iii:

Barclays PLC

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

Barclays Stockbrokers Ltd

5.  Date of transaction and date on which the threshold is crossed or reached v:

04-Jul-08

6.  Date on which issuer notified:

07-Jul-08

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

6% to 5%

8.  Notified details:

A: Voting rights attached to shares

Class/type

of shares

if possible using the ISIN CODE

Situation

previous to the

Triggering

transaction vi

Resulting situation after the triggering transaction vii

Number

Of

Shares

Number

Of

Voting Rights viii

Number

Of

Shares

Number of Voting Rights

% of voting rights

Direct x

Indirect xi

Direct

Indirect

GB00B0XQBS97

462,276,969

462,276,969

458,922,775

0

458,922,775

0.00

5.37

B: Financial Instruments

Resulting situation after the triggering transaction xii

Type of financial instrument

Expiration

date xiii

Exercise/Conversion Period/Date xiv

No. of voting

rights that may be acquired if the instrument exercised/converted

Percentage of voting rights

N/A

N/A

N/A

N/A

N/A

Total (A+B)

Number of voting rights

Percentage of voting rights

458,922,775

5.37

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 to hold:

N/A

12. Date on which proxy holder will cease to hold voting rights:

N/A

13. Additional information: 

N/A

14.  Contact name:

Geoff Smith

15.  Contact telephone number

020 7116 2913