1. Name of company
Filtronic plc

2. Name of shareholder having a major interest
Fidelity International Limited and its direct and indirect subsidiaries, also comprising the notifiable interest of Mr Edmond C Johnson 3rd, principle shareholder of FMR Corp and Fidelity International Limited

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
860,000

8. Percentage of issued class
1.15%

9. Class of security
Ordinary shares

10. Date of transaction
28 September 2005

11. Date company informed
28 September 2005

12. Total holding following this notification
7,165,667

13. Total percentage holding of issued class following this notification
9.57%

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
28 September 2005