Holding(s) in Company

Filtronic PLC
06 April 2006

                                  SCHEDULE 10

                   NOTIFICATION OF MAJOR INTERESTS IN SHARES



1. Name of company


Filtronic plc



2. Name of shareholder having a major interest


The Capital Group Companies, Inc. and affiliates, including Capital Research and 
Management Company



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


896,300



6. Percentage of issued class


1.20%



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


4 April 2006



11. Date company informed


5 April 2006



12. Total holding following this notification


3,362,400



13. Total percentage holding of issued class following this notification


4.49%



14. Any additional information



15. Name of contact and telephone number for queries


Maura Moynihan  [phone]



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



Date of notification

6 April 2006


                                 Filtronic plc
                     Schedule to Schedule 10 - 6 April 2006


Registered holder                     Shares held

Chase Noms Ltd                        3,235,400
State Street Noms Ltd                 45,200
Midland Bank plc                      72,200
Citibank London                       9,600




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