Holding(s) in Company

Filtrona plc
28 March 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           J P Morgan Chase & Co
notification obligation:                       

4. Full name of shareholder(s) (if different   J P Morgan Asset Management (UK)
from 3):                                       Limited

5. Date of transaction (and date on which the  25th March 2008
threshold is crossed or reached if different): 

6. Date on which issuer notified:              28th March 2008

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

8: Notified Details

A: Voting rights attached to shares


Class/type   Situation previous Resulting situation after the triggering transaction
of shares    to the triggering
             transaction
If possible
use ISIN       
code          
             Number   Number of Number of    Number of voting rights Percentage of
             of       voting    shares                               voting rights
             shares   rights    
             
             
                                             Direct     Indirect     Direct   Indirect
             

GB00B0744359 Below 5%  Below 5%  10,460,225             10,460,225              5.09%

B: Financial Instruments

Resulting situation after the triggering transaction


Type of         Expiration     Exercise/           No. of voting rights  Percentage of
financial       date           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
                                           10,460,225                     5.09%

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 : 10,460,225 (5.09%)
Holdings by controlled undertakings of JP Morgan Chase & Co are as follows:
JP Morgan Asset Management (UK) Limited: 10,460,225 (5.09%)


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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