Holding(s) in Company

RNS Number:5175U
Spirent PLC
22 January 2004

                                  SCHEDULE 10

                   NOTIFICATION OF MAJOR INTERESTS IN SHARES



1. Name of company


SPIRENT PLC


2. Name of shareholder having a major interest


PRUDENTIAL PLC


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


SHAREHOLDER NAMED IN 2 ABOVE


4. Name of the registered holder(s) and, if more than one holder, the number of
shares held by each of them


NOT KNOWN


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


NOT KNOWN


8. Percentage of issued class


NOT KNOWN


9. Class of security


ORDINARY SHARES OF 3.3333 PENCE EACH


10. Date of transaction


NOT KNOWN


11. Date company informed


21 JANUARY 2004


12. Total holding following this notification


NOT KNOWN


13. Total percentage holding of issued class following this notification


NOT KNOWN


14. Any additional information


IN ACCORDANCE WITH s198-202 COMPANIES ACT 1985 (AS AMENDED) SPIRENT PLC HAS
RECEIVED NOTIFICATION FROM PRUDENTIAL PLC THAT THEY NO LONGER HAVE A NOTIFIABLE
INTEREST IN THE ISSUED SHARE CAPITAL OF OUR COMPANY


15. Name of contact and telephone number for queries


LUKE THOMAS - 01293 767658


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


LUKE THOMAS - DEPUTY COMPANY SECRETARY


Date of notification


22 JANUARY 2004


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