Holding(s) in Company

Filtronic PLC
20 June 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


899,438



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


12 June 2006



11. Date company informed


20 June 2006



12. Total holding following this notification


6,417,682



13. Total percentage holding of issued class following this notification


8.57%



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


20 June 2006


                                  Filtronic plc
                     Schedule to Schedule 10 - 20 June 2006



Registered holder                        Shares held

Chase Noms Ltd                         5,880,382
State Street Noms Ltd                    152,900
Midland Bank plc                         352,700
Citibank London                           31,700
                                         ________
                                       6,417,682
                                         ________




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