RNS Number:4417I
Filtronic PLC
07 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


904,491



6. Percentage of issued class


1.21%



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


5 March 2003






11. Date company informed


6 March 2003



12. Total holding following this notification


10,465,737



13. Total percentage holding of issued class following this notification


14.08%



14. Any additional information






15. Name of contact and telephone number for queries


Fiona Pick, 01274 231166



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


Fiona Pick



Date of notification


7 March 2003



                                 Filtronic plc

                     Schedule to Schedule 10 - 7 March 2003



Registered holder                                     Shares held



Chase Noms Ltd                                           70,000

Clydesdale Bk Noms Ltd MGA                               558,146

Clydesdale Bk Noms Ltd MGG                               2,045,000

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                           126,117

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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