Holding(s) in Company

Filtrona plc
20 August 2007



TR-1(i): notification of major interests in shares

1. Identity of the issuer or the underlying                 Filtrona PLC
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 to the          Prudential plc group of companies
notification obligation:                                --------------------
-------------------------------
4. Full name of shareholder(s) (if different from          Prudential plc
3.):                                                    --------------------
-------------------------------
5. Date of the transaction (and date on which the          15 August 2007
threshold is crossed or reached if different):          --------------------
-------------------------------
6. Date on which issuer notified:                          17 August 2007
-------------------------------                         --------------------
7. Threshold(s) that is/are crossed or
reached:                                                                        3%
-------------------------------                                --------------------
8. Notified details:
-------------------------------                                --------------------




A: Voting rights attached to shares
Class/type   Situation        Resulting situation after the triggering
of shares    previous to the  transaction
             Triggering
             transaction
if possible
using the    Number Number of Number of    Number of voting      % of voting
ISIN CODE    of     Voting    shares       rights                rights
             Shares Rights
                              Direct       Direct x     Indirect Direct Indirect
                                                        xi
GB00B0744359 Below  Below 3%   6,742,718    6,742,718                     3.07
             3%

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
                                 6,742,718                                3.07



9. Chain of controlled undertakings through which the voting rights and/or the
financial instruments are effectively held, if applicable
JP MORGAN NOMINEES 677,454
PRUCLT HSBC GIS NOM(UK) PAC AC 5,189,541
PRUCLT HSBC GIS NOM(UK) PHL AC 685,390
PRUCLT HSBC GIS NOM(UK) PPL AC 89,839
PRUCLT HSBC GIS NOM(UK) HYBF AC 100,494

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:

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 (including legal form for legal entities)         Jon Green
                                                            Company Secretary
                                                            Filtrona plc
Phone number                                                01908 359100


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