Holding(s) in Company

Filtronic PLC
18 May 2006

                                 SCHEDULE 10

              NOTIFICATION OF MAJOR INTERESTS IN SHARES



1. Name of company


Filtronic plc


2. Name of shareholder having a major interest


Legal and General Investment Management



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


758,482



6. Percentage of issued class


1.01%



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


16 May 2006



11. Date company informed


18 May 2006



12. Total holding following this notification


4,575,093



13. Total percentage holding of issued class following this
notification


6.11%



14. Any additional information






15. Name of contact and telephone number for queries


Maura Moynihan [phone]



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


Maura Moynihan



Date of notification


18 May 2006



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                                 Filtronic plc

                              Schedule 10 18 05 06



Registered Holder                               Shares Held

HSBC Global Custody Nominee (UK) Ltd a/c 914945    27,064
HSBC Global Custody Nominee (UK) Ltd a/c 887711 1,283,108
HSBC Global Custody Nominee (UK) Ltd a/c 775245   248,351
HSBC Global Custody Nominee (UK) Ltd a/c 357206 1,849,386
HSBC Global Custody Nominee (UK) Ltd a/c 747381   146,837
HSBC Global Custody Nominee (UK) Ltd a/c 363605    58,600
HSBC Global Custody Nominee (UK) Ltd a/c 866203   153,103
HSBC Global Custody Nominee (UK) Ltd a/c 916681     4,000
HSBC Global Custody Nominee (UK) Ltd a/c 969995   172,389
HSBC Global Custody Nominee (UK) Ltd a/c 978777   531,844
HSBC Global Custody Nominee (UK) Ltd a/c 360509   100,411

TOTAL                                           4,575,093








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