Holding(s) in Company

Filtronic PLC 11 April 2006 SCHEDULE 10 NOTIFICATION OF MAJOR INTERESTS IN SHARES 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 335,000 6. Percentage of issued class 0.45% 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 7 April 2006 11. Date company informed 11 April 2006 12. Total holding following this notification 4,626,900 13. Total percentage holding of issued class following this notification 6.18% 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 11 April 2006 Filtronic plc Schedule to Schedule 10 - 11 April 2006 Registered holder Shares held Chase Noms Ltd 4,420,600 State Street Noms Ltd 68,500 Midland Bank plc 119,400 Citibank London 18,400 The FSA does not give any express or implied warranty as to the accuracy of this document or material and does not accept any liability for error or omission. The FSA is not liable for any damages (including, without limitation, damages for loss of business or loss of profits) arising in contract, tort or otherwise from the use of or inability to use this document, or any material contained in it, or from any action or decision taken as a result of using this document or any such material. This information is provided by RNS The company news service from the London Stock Exchange

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Filtronic (FTC)
UK 100

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