Holding(s) in Company

Filtronic PLC
04 April 2007

                                  SCHEDULE 10



                   NOTIFICATION OF MAJOR INTERESTS IN SHARES



1.  Name of company



Filtronic plc



2.  Name of shareholder having major interest



Aberforth Partners LLP



3.  Please state whether notification indicates that it is in respect of holding
of the shareholder name 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



79,700



6.      Percentage of issued class



0.11%



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



Notification was dated 4th April 2007




11.  Date company informed



4th April 2007



12.  Total holding following this notification



8,213,330



13.  Total percentage holding of issued class following this notification



11.05%



14.  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



4th April 2007






                                           Filtronic plc

                             Schedule to Schedule 10 - 4th April 2007



Resistered holder                               Shares held



Nortrust Nominees Ltd a/c: Aberforth             7,599,330

The Church Commissioners of England (Chase GIS)
Nominees Ltd                                       614,000

                                                   ________
                                                  8,213,330





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