Holding(s) in Company

Filtronic PLC
06 February 2006

                                       SCHEDULE 10

                       NOTIFICATION OF MAJOR INTERESTS IN SHARES



1. Name of company


Filtronic plc



2. Name of shareholder having a major interest


Prudential plc and certain of its subsidiary companies



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


Non-beneficial interest



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


See attached schedule



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


196,387



8. Percentage of issued class


0.26%



9. Class of security


Ordinary 10p shares



10. Date of transaction


1 February 2006




11. Date company informed


6 February 2006



12. Total holding following this notification


 12,846,031



13. Total percentage holding of issued class following this notification


17.16%



14. Any additional information






15. Name of contact and telephone number for queries


Maura Moynihan, 01274 231014



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


Maura Moynihan



Date of notification


6 February 2006



                                 Filtronic plc

                   Schedule to Schedule 10 - 6 February 2006



Registered holder                                      Shares held



Nortrust Noms Ltd                                          6,278

Pruclt HSBC GIS Nom(UK) PAC AC                         6,130,984

Pruclt HSBC GIS Nom(UK) PPL AC                          777,687

Bank of New York (Noms) Ltd (636922)                    375,072

Nortrust Nominee Ltd MHF01 AC                            12,676

Nortrust Nominee Ltd MKK01 AC                         4,214,606

Nortrust Nominee Ltd MEB01 AC                         1,103,684

Nortrust Nominee Ltd MEL01 AC                           225,044



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