Holding(s) in Company

Filtrona plc
03 August 2007



TR-1(i): 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(1):
-------------------------------
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(1):                  
-------------------------------
4. Full name of shareholder(s) (if            Allianz Global Investors Global 
different from 3.)(1):                              Equity Business Unit
-------------------------------
5. Date of the transaction (and                         30 July 2007
date on which the threshold is                      
crossed or reached if different)(1):
-------------------------------
6. Date on which issuer notified:                      1 August 2007
-------------------------------                    
7. Threshold(s) that
is/are crossed or
reached:                                                      3%
-------------------------------                                     
8. Notified details:
-------------------------------                                     




A: Voting rights attached to shares

Class/type   Situation previous to the   Resulting situation after the triggering
of shares    Triggering transaction (1)  transaction(1)
if possible

using the    Number of Number of Voting  Number Number of voting    % of voting
ISIN CODE    Shares    Rights viii       of     rights ix           rights
                                         shares

                                         Direct Direct Indirect xi  Direct Indirect
                                                x
GB00B0744359                                            7,903,669             3.6

B: Financial Instruments

Resulting situation after the triggering transaction xii

Type of     Expiration Exercise/       Number of voting rights that may  % of
financial   date xiii  Conversion      be acquired if the instrument is  voting
instrument             Period/ Date    exercised/ converted.             rights
                       xiv


Total (A+B)

Number of voting rights                      % of voting rights
                                
      7,903,669                                   3.6%



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

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 7,900,169 Filtrona shares
    information:
                      Other entities within Allianz SE group are interested
                      3,500 Filtrona shares




14. Contact name:                                  Patricia Kingdon

15. Contact telephone number:                      01908 359100


A: Identity of the person or legal entity subject to the notification obligation

Full name                   Patricia Kingdon
                            Filtrona plc
                            Deputy Company Secretary

Phone number                01908 359100


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