Holding(s) in Company

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

Filtrona  PLC

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

An acquisition or disposal of voting rights

x

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 

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

Prudential plc group of companies

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):

04 August 2009

6. Date on which issuer notified:

05 August 2009

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

See item 13

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 

% of voting rights

Direct

Direct 

Indirect 

Direct

Indirect

GB00B0744359

15,506,910

15,506,910

15,528,583

15,528,583

7.55%

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

Total (A+B)

Number of voting rights

% of voting rights

15,528,583

7.55

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

Prudential plc (parent Company)

M&G Group Limited (wholly owned subsidiary of Prudential plc)

M&G Limited (wholly owned subsidiary of M&G Group Limited)

M&G Investment Management Limited (wholly owned subsidiary of M&G Limited)

The Prudential Assurance Company Limited (wholly owned subsidiary of Prudential plc)

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:

As per 5.1.2 the non exempt holdings for Prudential plc have crossed 3% triggering this notification

14. Contact name:

Patricia Kendall

15. Contact telephone number:

01908 359100