Holding(s) in Company

Filtronic PLC
13 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

891,344

6. Percentage of issued class

1.19%

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

7 June 2006

11. Date company informed

13 June 2006

12. Total holding following this notification

5,518,244

13. Total percentage holding of issued class following this notification

7.37%

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


13 June 2006







                                 Filtronic plc
                     Schedule to Schedule 10 - 13 June 2006


Registered holder                                                 Shares held

Chase Noms Ltd                                                      5,232,782
State Street Noms Ltd                                                  89,500
Midland Bank plc                                                      177,562
Citibank London                                                        18,400
                                                                    _________
                                                                     
                                                                    5,518,244
                                                                    _________


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