1. Name of company
Filtronic plc

2. Name of shareholder having a major interest
Aberforth Partners LLP

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
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. Any 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

Registered holder Shares held
Nortrust Nominees Ltd a/c: Aberforth 7,599,330
The Church Commissioners of England (Chase GIS) Nominees Ltd 614,000
__________________
Total = 8,213,330