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
929,500

6. Percentage of issued class
1.24%

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
6 April 2006

11. Date company informed
10 April 2006

12. Total holding following this notification
4,291,900

13. Total percentage holding of issued class following this notification
5.73%

14. Any additional information

15. Name of contact and telephone number for queries
Maura Moynihan +44 1274 231014

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

Date of notification
10 April 2006

Filtronic plc
Schedule to Schedule 10 – 10 April 2006

Registered holder Shares held
Chase Noms Ltd 4,085,600
State Street Noms Ltd 68,500
Midland Bank plc 119,400
Citibank London 18,400