Holding(s) in Company

TR-1: Notifications 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): On market transfer between indirect and direct funds

√

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

Aviva plc and its subsidiaries

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

Registered holder:

BNY Norwich Union Nominees Limited 398,470*

Chase GA Group Nominees Limited 1,318,309*

CUIM Nominee Limited 242,405*

*denotes direct interest

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

21 October 2008

6. Date on which issuer notified:

22 October 2008

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

5% to 7% Change at Direct Interest Level

8: Notified Details

A: Voting rights attached to shares

Class/type of shares

If possible use 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

Ordinary Shares

GB00B02QYY9

Direct:

1,459,931

Indirect:

499,253

Direct:

1,459,931

Indirect:

499,253

1,959,184

1,959,184

None

7.37%

None

B: Financial Instruments

Resulting situation after the triggering transaction

Type of financial instrument

Expiration date

Exercise/ conversion period/date 

No. of voting rights that may be acquired (if the instrument exercised/converted)

Percentage of voting rights

N/A

Total (A+B)

Number of voting rights

Percentage of voting rights

1,959,184

7.37%

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

The voting rights are managed and controlled by Aviva Investors Global Services Limited, with the following chain of controlled undertakings:-

Aviva Investors Global Services Limited:

Aviva plc (Parent Company)

Aviva Group Holdings Limited (wholly owned subsidiary of Aviva plc)

Aviva Investors Holdings Limited (wholly owned subsidiary of Aviva Group Holdings Limited)

Aviva Investors Global Services Limited (wholly owned subsidiary of Aviva Investors Holdings Limited)

Proxy Voting:

10. Name of proxy holder:

See Section 4

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:

Figures are based on a total number of voting rights of 26,591,182

14 Contact name:

Neil Whittaker

15. Contact telephone name:

01603 684420