Holding(s) in Company

Filtrona plc
06 February 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


An acquisition of voting rights


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


AMVESCAP PLC


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


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


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


01 February 2007


6.      Date on which issuer notified:


05 February 2007


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


3%, 5%, 10% 11% 12%, 13% 14%, 15%, 16%


8.      Notified details


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



A: Voting rights attached to shares

Class/type of share if      Situation previous to the Situation previous to the
possible using the ISIN     Triggering transaction    Triggering transaction
CODE
                            Number of shares          Number of Voting Rights

Ordinary 25p
shares
(GB00B0744359)                           32,971,572                32,971,572



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)                       35,143,673       35,143,673         16.02%



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

      35,143,673                               16.02





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

Bank of New York (Brussels)                                 58,359
JP Morgan Chase                                            151,759
Vidacos Nominees Limited                                26,842,860
Bank of New York                                           121,352
Mellon Bank, Pittsburgh                                    227,514
Japan Trustee Services Bank                                  3,641
State Street Trust & Banking Co (London)                 3,003,000
Trust & Custody Services                                     7,096
Northern Trust Company (London)                            436,126
HSBC Nominees                                              676,189
Trimark                                                  1,974,300
Brown Brothers Hariman (Jersey)                             29,614
Bank of Ireland (Dublin)                                   527,190
Chase Nominees                                           1,084,673


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


Jon Green

Company Secretary & General Counsel



                      This information is provided by RNS
            The company news service from the London Stock Exchange