UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
FORM 6-K
REPORT OF FOREIGN PRIVATE ISSUER
PURSUANT TO RULE 13a-16 OR 15d-16
UNDER THE SECURITIES EXCHANGE ACT OF 1934
For the month of April, 2006
SPIRENT plc
_____________________________________________________________________
(Translation of registrant's name into English)
Spirent House, Crawley Business Quarter, Fleming Way, Crawley, West Sussex
RH10 9QL, UK.
_____________________________________________________________________
(Address of principal executive offices)
Indicate by check mark whether the registrant files or will file annual reports
under cover Form 20-F or Form 40-F.
Form 20-F X Form 40-F.....
Indicate by check mark whether the registrant by furnishing the information
contained in this Form is also thereby furnishing the information to the
Commission pursuant to Rule 12g3-2(b) under the Securities Exchange Act of 1934.
Yes ..... No X
If "Yes" is marked, indicate below the file number assigned to the registrant
in connection with Rule 12g3-2(b): 82- ________
SCHEDULE 11
NOTIFICATION OF INTERESTS OF DIRECTORS AND CONNECTED PERSONS
1. Name of company
SPIRENT PLC
2. Name of director
ERIC HUTCHINSON
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
IN RESPECT OF THE DIRECTOR'S HOLDING
4. Name of the registered holder(s) and, if more than one holder, the number of
shares held by each of them (if notified)
N/A
5. Please state whether notification relates to a person(s) connected with the
director named in 2 above and identify the connected person(s)
N/A
6. Please state the nature of the transaction. For PEP transactions please
indicate whether general/single co PEP and if discretionary/non discretionary
N/A
7. Number of shares / amount of stock acquired
N/A
8. Percentage of issued class
N/A
9. Number of shares/amount of stock disposed
N/A
10. Percentage of issued class
N/A
11. Class of security
N/A
12. Price per share
N/A
13. Date of transaction
N/A
14. Date company informed
N/A
15. Total holding following this notification
N/A
16. Total percentage holding of issued class following this notification
N/A
If a director has been granted options by the company please complete the
following boxes.
17. Date of grant
9 APRIL 2001
18. Period during which or date on which exercisable
9 APRIL 2004 to 8 APRIL 2011
19. Total amount paid (if any) for grant of the option
N/A
20. Description of shares or debentures involved: class, number
LAPSE OF 105,000 SHARE OPTIONS GRANTED UNDER THE SPIRENT EXECUTIVE SHARE OPTION
SCHEME 1995
21. Exercise price (if fixed at time of grant) or indication that price is to be
fixed at time of exercise
SHARE OPTION EXERCISE PRICE OF 305 PENCE PER SHARE
22. Total number of shares or debentures over which options held following this
notification
3,986,733
23. Any additional information
VESTING OF THE 105,000 SHARE OPTIONS GRANTED TO MR HUTCHINSON ON 9 APRIL 2001
UNDER THE SPIRENT EXECUTIVE SHARE OPTION SCHEME 1995 WAS SUBJECT TO AN ENHANCED
PERFORMANCE CONDITION (EPC). THE EPC WAS TESTED ON THE THIRD, FOURTH AND FIFTH
ANNIVERSARY OF GRANT. AS THE EPC WAS NOT ATTAINED ON 9 APRIL 2006, BEING THE
FIFTH ANNIVERSARY OF GRANT, THE 105,000 SHARE OPTIONS NOW LAPSE.
24. Name of contact and telephone number for queries
WARREN NASH
TEL: 01293 767676
25. Name and signature of authorised company official responsible for making
this notification
WARREN NASH
Date of Notification
10 APRIL 2006
The FSA does not give any express or implied warranty as to the accuracy of this
document or material and does not accept any liability for error or omission.
The FSA is not liable for any damages (including, without limitation, damages
for loss of business or loss of profits) arising in contract, tort or otherwise
from the use of or inability to use this document, or any material contained in
it, or from any action or decision taken as a result of using this document or
any such material.
Signatures
Pursuant to the requirements of the Securities Exchange Act of 1934, the
registrant has duly caused this report to be signed on its behalf by the
undersigned, thereunto duly authorized.
______LUKE THOMAS______
(Registrant)
Date 10 April, 2006 By ____/s/ Luke Thomas____
(Signature)*