1. Name of company
Filtronic plc

2. Name of shareholder having a major interest
Aberforth Smaller Companies Trust plc

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
Notification is in respect of shareholder named in 2 above

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
890,421

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 10p shares

10. Date of transaction
4 October 2006

11. Date company informed
4 October 2006

12. Total holding following this notification
3,185,121

13. Total percentage holding of issued class following this notification
4.25%

14. Any additional information
The above holding forms part of the interest of Aberforth Partners LLP which at today’s date totals 8,649,252 shares in the Company

15. Name of contact and telephone number for queries
Maura Moynihan +44 1274 231017

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

Date of notification
5 October 2006

Filtronic plc
Schedule to Schedule 10 – 5 October 2006

Nortrust Nominees Ltd 3,185,121