Holding(s) in Company

Filtrona plc
03 May 2006


                                  SCHEDULE 10

                   NOTIFICATION OF MAJOR INTERESTS IN SHARES


1. Name of company

Filtrona plc


2. Name of shareholder having a major interest

Threadneedle Investments on behalf of various Ameriprise Financial Inc. group
subsidiaries, including Threadneedle Pensions Ltd, Threadneedle Investment Funds
ICVC, Threadneedle Specialist Investment Funds ICVC, Threadneedle Investment
Services Ltd and Eagle Star Unit Managers Ltd.


3. Please state whether notification indicates that it is in respect of holding
of the shareholder named in 2 above or in respect of a non-beneficial interest
or in the case of an individual holder if it is a holding of that person's
spouse or children under the age of 18

Threadneedle Investments as Investment Manager for various client accounts


 4. Name of the registered holder(s) and, if more than one holder, the number of
    shares held by each of them

Registered Holders                           Account                     Holding
--------------------                        ---------                  ---------
Bank of Ireland Nominees                         4261416               377,200
Bank of Ireland Nominees                         4239914               553,298
BNY (OCS) Nominees Ltd                            219064               268,129
Littledown Nominees Ltd                            10478                 5,000
Littledown Nominees Ltd                            10479                10,050
Littledown Nominees Ltd                             7205               853,445
Littledown Nominees Ltd                            21688               675,083
Littledown Nominees Ltd                             7207             2,231,554
Littledown Nominees Ltd                             7196               107,050
Littledown Nominees Ltd                            27642               669,274
Littledown Nominees Ltd                             2891             4,287,152
Littledown Nominees Ltd                             2642               349,120
Littledown Nominees Ltd                            31348                70,858
Littledown Nominees Ltd                            10469               476,176
Littledown Nominees Ltd                            10492               985,771
Littledown Nominees Ltd                            10491             1,863,834
Littledown Nominees Ltd                            10488             2,246,492
Littledown Nominees Ltd                            10489               915,774
Mellon Nominees (UK) Ltd                   WWSF0004002                 783,985
Mellon Nominees (UK) Ltd                   AVOF0003002               1,446,719
Roy Nominees                                      104450               253,524
State Street Nominees Ltd                     JTAV                     216,409
State Street Nominees Ltd                     JY17                   2,608,060
                                                                    22,253,957
                                                                    ------------



5. Number of shares / amount of stock acquired

N/A


6. Percentage of issued class

N/A


7. Number of shares / amount of stock disposed

N/A


8. Percentage of issued class

N/A


9. Class of security

Ordinary shares


10. Date of transaction

Not advised


11. Date company informed

3 May 2006


12. Total holding following this notification

22,253,957 shares


13. Total percentage holding of issued class following this notification

10.15%


14. Any additional information

N/A


15. Name of contact and telephone number for queries

Shanny Looi - 01908 359 100


16. Name and signature of authorised company official responsible for making
this notification

Jon Green - Company Secretary


Date of notification

3 May 2006




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