Avacta Group Regulatory News (AVCT)

25 Apr 2007 16:29

TR-1 NOTIFICATION OF MAJOR INTERESTS IN SHARES

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

Avacta Group PLC

2. Reason for the notification State

Yes/No

An acquisition or disposal of voting rights YES An acquisition or disposal of financial instruments NO which may result in the acquisition of shares already issued to which voting rights are attached An event changing the breakdown of voting rights NO

Other (please specify): NO

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

obligation (iii): Superannuation Scheme Limited

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

(iv):

5. Date of the transaction (and date on which the 04/04/2007 threshold is crossed or reached if different) (v): 6. Date on which issuer notified: 10/04/2007 7. Threshold(s) that is/are crossed or reached: 3%

8. Notified details:

A: Voting rights attached to shares

Class/type of Situation Resulting situation after the triggering shares previous to transaction (vii) if possible the Triggering using the ISIN transaction (vi) CODE Number Number Number Number of voting % of voting of of of rights (ix) rights Shares Voting shares Rights (viii) Direct Direct Indirect Direct Indirect (x) (xi) GB0033519546 0 0 28,000,000 28,000,000 3.6

B: Financial Instruments

Resulting situation after the triggering transaction (xii)

Type of Expiration Exercise/ Number of voting % of financial date (xiii) Conversion rights that may be voting instrument Period/ Date (xiv) acquired if the rights instrument is exercised/ converted Total (A+B) Number of voting rights % of voting rights 28,000,000 3.6

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

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 information: 14. Contact name: Philip Brayne

15. Contact telephone number: 0151 227 4711