Holding(s) in Company

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:

Pure Wafer PLC

2. Reason for notification (yes/no)

An acquisition or disposal of voting rights

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): Due to new client share transfer in

X

3. Full name of person(s) subject to notification obligation:

BlackRock Inc.

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

5. Date of the transaction (and date on which the threshold is crossed or reached if different):

1 July 2008

6. Date on which issuer notified:

3 July 2008

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

Holding above 20%

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 

Resulting situation after the triggering transaction

Number of Shares 

Number of Voting Rights 

Number of shares 

Number of voting rights

Percentage of voting rights

Direct

Indirect 

Direct

Indirect

GB00B02QYY79

3,378,540

3,378,540

N/A

N/A

5,443,149

N/A

20.46%

B: Financial Instruments

Resulting situation after the triggering transaction 

Type of financial instrument 

Expiration date 

Exercise/ Conversion Period/ Date 

Number of voting rights that may be acquired (if the instrument is exercised/ converted)

Percentage of voting rights

Total (A+B)

Number of voting rights

Percentage of voting rights

5,443,149

20.46%

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

BlackRock Investment Management (UK) Limited - 5,443,149 (20.46%)

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:

15. Contact telephone number: