Holding(s) in Company

Filtrona plc
23 April 2008



TR-1: Notifications of Major Interests in Shares
------------------------------------------------
1. Identity of the issuer or the underlying issuer of   Filtrona Plc
existing shares to which voting rights are attached:    -------------------
-------------------------------
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 notification J P Morgan Chase & Co
obligation:                                       -----------------------
---------------------------
4. Full name of shareholder(s) (if different from J P Morgan Asset Management (UK)
3):                                               Limited
---------------------------                       -----------------------
5. Date of transaction (and date on which the     21 April 2008
threshold is crossed or reached if different):    -----------------------
---------------------------
6. Date on which issuer notified:                 23 April 2008
---------------------------                       -----------------------
7.
Threshold(s)
that is/are
crossed or
reached:                                                                             5%
---------------------------                                      -----------------------
8: Notified Details
------------------------------------------------
A: Voting rights attached to shares
------------------------------------------------
             -------------         -------------------------------
Class/type   Situation previous to Resulting situation after the triggering transaction
of shares    the triggering
             transaction
If possible
use ISIN             -------------                       -------------------------------
code                               ---------    -------------          -------------
---------    Number of  Number of  Number of    Number of voting       Percentage of
             shares     voting     shares       rights                 voting rights
             --------   rights     ---------    -------------          -------------
                        -------                                        -------  -------
                                                Direct    Indirect     Direct   Indirect
                                                -------   --------     -------  -------
---------        --------  -------     ---------
GB00B0744359 10,460,225     5.09%   10,219,643            10,219,643              4.97%
---------        --------  -------     ---------  -------     --------  -------  -------
B: Financial Instruments
------------------------------------------------
Resulting situation after the triggering transaction
------------------------------------------------
                 ----------       ------------       -------------         ----------
Type of          Expiration date  Exercise/          No. of voting rights  Percentage of
financial        ----------       conversion period/ that may be acquired  voting rights
instrument                        date               (if the instrument    ----------
-----------                       ------------       exercised/converted)
                                                     -------------
N/A
-----------            ----------       ------------         -------------    ----------

Total (A+B)
Number of voting rights                                 Percentage of voting
                                                        rights
                                           10,219,643                     4.97%
9. Chain of controlled undertakings through which the voting rights and /or the
financial instruments are effectively held, if applicable:
Total disclosable holding for JP Morgan Chase & Co : 10,219,643 (4.97%)
Holdings by controlled undertakings of JP Morgan Chase & Co are as follows:
JP Morgan Asset Management (UK) Limited: 10,219,643 (4.97%)
Proxy Voting:
10. Name of proxy holder:                               N/A
11. Number of voting rights proxy holder will cease to  N/A
hold:
12. Date on which proxy holder will cease to hold       N/A
voting rights:
13. Additional information:                             None
14 Contact name:                                        Patricia Kendall
15. Contact telephone name:                             01908 359100
C: Additional information





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