RNS Number:0281R
Spirent PLC
17 October 2003

                                  SCHEDULE 11

          NOTIFICATION OF INTERESTS OF DIRECTORS AND CONNECTED PERSONS

1. Name of company
Spirent plc

2. Name of director
Mr Goran Ennerfelt

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 or in respect of a non-beneficial
interest
Beneficial interest via Lexa BV - see paragraph 23

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

5. Please state whether notification relates to a person(s) connected with the
director named in 2 above and identify the connected person(s)
Lexa BV

6. Please state the nature of the transaction. For PEP transactions please
indicate whether general/single co PEP and if discretionary/non discretionary
Disposal of shares

7. Number of shares / amount of stock acquired
-

8. Percentage of issued class
-

9. Number of shares/amount of stock disposed
6,000,000

10. Percentage of issued class
0.64%

11. Class of security
Ordinary shares of 3.3333 pence each

12. Price per share
(a) 3,870,398 shares at 62.0668 pence

(b) 2,129,602 shares at 62.4916 pence

13. Date of transaction
(a) 14 October 2003

(b) 15 October 2003

14. Date company informed
17 October 2003

15. Total holding following this notification
125,000,000

16. Total percentage holding of issued class following this notification
13.25%

If a director has been granted options by the company please complete the
following boxes.

17. Date of grant
-

18. Period during which or date on which exercisable
-

19. Total amount paid (if any) for grant of the option
-

20. Description of shares or debentures involved: class, number
-

21. Exercise price (if fixed at time of grant) or indication that price is to be
fixed at time of exercise
-

22. Total number of shares or debentures over which options held following this
notification
-

23. Any additional information
In addition to being a director of Spirent plc, Mr Ennerfelt is also President
and Chief Executive of Axel Johnson AB. Mr Ennerfelt has the above connected
beneficial interest through the shareholding of Lexa BV, which is an Axel
Johnson group company.

24. Name of contact and telephone number for queries
Luke Thomas - 01293 767658

25. Name and signature of authorised company official responsible for making
this notification
Luke Thomas - Deputy Company Secretary

Date of Notification
17 October 2003

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for loss of business or loss of profits) arising in contract, tort or otherwise
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END

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