RNS Number:5652I
Filtronic PLC
11 March 2003

                                  SCHEDULE 10

                   NOTIFICATION OF MAJOR INTERESTS IN SHARES



1. Name of company


Filtronic plc



2. Name of shareholder having a major interest


Prudential plc and certain of its subsidiary companies



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


104,878



6. Percentage of issued class


0.1411%



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


10 March 2003



11. Date company informed


11 March 2003



12. Total holding following this notification


10,570,615



13. Total percentage holding of issued class following this notification


14.22%



14. Any additional information






15. Name of contact and telephone number for queries


Fiona Pick, tel. 01274 231166



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


Fiona Pick



Date of notification


11 March 2003





                                 Filtronic plc

                    Schedule to Schedule 10 - 11 March 2003



Registered holder                    Shares held



Chase Noms Ltd                          70,000
Clydesdale Bk Noms Ltd MGA             577,860
Clydesdale Bk Noms Ltd MGG           2,123,856
Clydesdale Bk Noms Ltd MGIN            240,000
Clydesdale Bk Noms Ltd MGT               7,400
Clydesdale Bk Noms Ltd MGZ             124,839
Dexia Bank Intl                        158,906
Nortrust Noms Ltd                        2,000
Pruclt HSBC GIS Nom(UK) PAC AC       7,040,987
Pruclt HSBC GIS Nom(UK) PPL AC         132,425
PSIT2 US High Tech Fund                 92,345




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                      This information is provided by RNS
            The company news service from the London Stock Exchange
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