Holding(s) in Company

Filtronic PLC
05 October 2006




SCHEDULE 10

NOTIFICATION OF MAJOR INTERESTS IN SHARES



1. Name of company


Filtronic plc



2. Name of shareholder having a major interest


Aberforth Partners LLP



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


1,115,000



6. Percentage of issued class


1.49%



7. Number of shares / amount of stock disposed


N/a



8. Percentage of issued class


N/a



9. Class of security


Ordinary 10p shares



10. Date of transaction


4 October 2006




11. Date company informed


4 October 2006



12. Total holding following this notification


 8,649,252



13. Total percentage holding of issued class following this notification


11.55%



14. Any additional information






15. Name of contact and telephone number for queries


Maura Moynihan, 01274 231017



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


Maura Moynihan



Date of notification


5 October 2006



                                 Filtronic plc

                    Schedule to Schedule 10 - 5 October 2006



Registered holder                                           Shares held

Nortrust Nominees  Ltd a/c: Aberforth                         7,119,130

Bank of Ireland Nominees Ltd                                    373,522

The Church Commissioners of England (Chase GIS)                 
Nominees Ltd                                                    542,600

State Street Nominees Ltd a/c: JD59                             614,400

                                                               ________
                                                              8,649,252





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