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
N/a

6. Percentage of issued class
N/a

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
7 August 2006

11. Date company informed
7 August 2006

12. Total holding following this notification
7,534,252

13. Total percentage holding of issued class following this notification
10.07%

14. Any additional information
First Notification

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

Date of notification
7 August 2006

Filtronic plc
Schedule to Schedule 10 – 7 August 2006

Nortrust Nominees Ltd a/c: Aberforth 6,204,730
Bank of Ireland Nominees Ltd 324,622
The Church Commissioners of England (Chase GIS)
Nominees Ltd 471,500
State Street Nominees Ltd a/c: JD59 533,400