Holding(s) in Company

Filtrona plc
04 April 2007



                   NOTIFICATION OF MAJOR INTERESTS IN SHARES
              
                             Holding(s) in Company

     
1.   Identify of the issues or the underlying issuer of existing shares to which 
     voting rights are attached:

     Filtrona plc

     
2.   Reason for the notification:

     A disposal of voting rights

     
3.   Full name of person(s) subject to the notification obligation:

     Ameriprise Financial Inc and its group

     
4.   Full name of shareholder(s) (if different from 3.):

     Registered owner
     BNY (OCS) Nominees Ltd         A/c 219064                      162,353
     Littledown Nominees Ltd        A/c 10479                        10,050
     Littledown Nominees Ltd        A/c 2891                      3,927,450
     Littledown Nominees Ltd        A/c 2642                        344,436
     Littledown Nominees Ltd        A/c 10478                         5,000
     Littledown Nominees Ltd        A/c 7205                        747,464
     Littledown Nominees Ltd        A/c 21688                       406,020
     Littledown Nominees Ltd        A/c 7207                      2,586,458
     Littledown Nominees Ltd        A/c 10491                       475,749
     Littledown Nominees Ltd        A/c 10488                     2,174,820

     
5.   Date of the transaction and date on which the threshold is crossed or
     reached:

     02 April 2007

     
6.   Date on which issuer notified:

     04 April 2007

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

     Below 5%

     
8.   Notified details

     ...................................


A:   Voting rights attached to shares

     Situation previous to the Triggering transaction

Class/type of share if possible using the    Number of      Number of Voting
ISIN CODE                                    shares         Rights

Ordinary 25p shares
(GB00B0744359)                                 12,840,896           12,840,896



Resulting situation after the triggering transaction

Class/type of shares if possible     Number of    Number of Voting % of Voting
using the ISIN CODE                  shares       Rights           Rights
                                     Direct       Indirect         Indirect

Ordinary 25p
shares
(GB00B0744359)                                        10,839,800         4.942%



B: Financial Instruments


Resulting situation after the triggering transaction

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

Total (A+B)

Number of Voting Rights                      % of Voting Rights

                                10,839,800                               4.942%
     
9.   Chain of controlled undertakings through which the voting rights and/or the 
     financial instruments are effectively held, if applicable :


     Ameriprise Financial Inc., which controls the voting rights of Threadneedle 
     Asset Management Holdings Limited, which controls the voting rights of
     Threadneedle Asset Management Limited, Threadneedle International Limited 
     and Threadneedle Pensions Limited



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


16.  Identity of the person or legal entity subject to the notification
     obligation

     Patricia Kingdon
     Deputy Company Secretary



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