Holding(s) in Company

Filtrona plc
20 September 2007



TR-1: notification of major interests in shares

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

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 (please specify):                                                          

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

4. Full name of shareholder(s) (if  Allianz Global Investors Global Equity Business Unit
different from 3.)(1):                              

5. Date of the transaction (and                      19 September 2007
date on which the threshold is                      
crossed or reached if different)(1):

6. Date on which issuer notified:                    19 September 2007

7. Threshold(s) that
is/are crossed or
reached:                                                                             5%

8. Notified details:

A: Voting rights attached to shares
Class/type   Situation previous to the    Resulting situation after the triggering
of shares    Triggering transaction       transaction(1)
if possible
using the    Number of    Number of       Number Number of voting     % of voting
ISIN CODE    Shares       Voting Rights   of     rights x             rights
                          viii            shares
                                          Direct Direct Indirect xi   Direct Indirect
                                                 x
GB00B0744359  9,144,748       9,144,748                  11,191,402            5.13

B: Financial Instruments
Resulting situation after the triggering transaction
Type of     Expiration Exercise/     Number of voting rights that may   % of
financial   date       Conversion    be acquired if the instrument is   voting
instrument             Period/ Date  exercised/ converted.              rights


Total (A+B)
Number of voting rights                      % of voting rights
                                11,191,402                                5.13







9. Chain of controlled undertakings through which the voting rights and/or the
financial instruments are effectively held, if applicable:
Allianz Global Investors Global Equity Business Unit ('AGI') is a wholly owned
subsidiary of Allianz SE.

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       AGI are interested in 11,187,902 Filtrona PLC shares
information:         comprising 5.13%.
                     Other entities within Allianz SE group are interested 3,500
                     Filtrona PLC shares
14. Contact name:    Patricia Kingdon
                     Filtrona plc
15. Contact
telephone
number:              01908 359100




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