Holding(s) in Company

RNS Number : 8168R

Cookson Group PLC

06 May 2009

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:

COOKSON GROUP PLC

2. Reason for the notification (please state Yes/No):

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: ( )

Other (please specify): ( )

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

Lloyds Banking Group plc

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

See Section 9

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

5 MAY 2009

6. Date on which issuer notified:

6 MAY 2009

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

Decrease to below 7%

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

Number of shares

Number of voting Rights

Ordinary Shares

GB00B07V4P80

220,243,476

Resulting situation after the triggering transaction

Class/type of shares if possible using the ISIN CODE

Number of shares

Number of voting rights

% of voting rights

Direct

Indirect

Direct

Indirect

Ordinary Shares

GB00B07V4P80

27,107,016

163,761,164

0.981

5.925

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.	% of voting rights
N/A

Total (A+B)

Number of voting rights	% of voting rights
190,868,180	6.906%

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

132,925,882 shares (4.809%) are held by State Street Nominees Ltd. Shares are under the control of Scottish Widows Investment Partnership Ltd, a wholly owned subsidiary of Scottish Widows Group Ltd, a wholly owned subsidiary of Lloyds TSB Bank plc, a wholly owned subsidiary of Lloyds Banking Group plc (Indirect Interests).

55,926,318 shares (2.023%) are under the control of Insight Investment Management (Global) Limited, a wholly owned subsidiary of Insight Investment Management Limited, a wholly owned subsidiary of HBOS Insurance & Investment Group Limited, a wholly owned subsidiary of HBOS plc, a wholly owned subsidiary of Lloyds Banking Group plc (Indirect Interests).

Proxy Voting:

10. Name of the 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:

RACHEL FELL, DEPUTY SECRETARY, COOKSON GROUP PLC

15. Contact telephone number: