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 notification (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:

OppenheimerFunds, Inc (OFI)

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):

23 December 2008

6. Date on which issuer notified:

24 December 2008

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

3% (Mass Mutual, on a consolidated basis. 3.19%, OFI 3.19%)

8. Notified details:

Registered Office

Avebury House

201-249 Avebury Boulevard

Milton Keynes

Buckinghamshire, MK9 1AU

Registered Number: 05444653

T: +44 (0) 1908 359100

F: +44 (0) 1908 359120

Company Secretary

Jon Green

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

(GB00B0744359) 

OFI

Below 3%

Below 3%

6,562,186

6,562,186

3.19%

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

% of voting rights

6,562,186

3.19%

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

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:

Massachusetts Mutual Life Insurance Company is the parent company of OFI.

14. Contact name:

Jon Green

Filtrona plc

15. Contact telephone number:

01908 359100