Director Shareholding

Spirent PLC
7 January 2002


                       DEALINGS BY DIRECTORS


1)  NAME OF COMPANY

    SPIRENT PLC

2)  NAME OF DIRECTOR

    ERIC GEORGE 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 an 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)

    NOT APPLICABLE

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

    EXERCISE OF OPTIONS UNDER THE COMPANY'S SAVINGS RELATED SHARE OPTION
    SCHEME.

7)  Number of shares/amount of
    stock acquired

    5,128

8)   (0.0005%)
    of issued Class



9)  Number of shares/amount
    of stock disposed

    NIL

10)  (N/A %)
    of issued Class



11) Class of security

    ORDINARY SHARES OF 3 1/3P EACH

12) Price per share

    76.02p

13) Date of transaction

    4 JANUARY 2002

14) Date company informed

    4 JANUARY 2002

15) Total holding following this notification

    382,190 OPTIONS OVER ORDINARY SHARES
     90,849 PURCHASE UNITS UNDER THE COMPANY'S LONG TERM SHARE PURCHASE PLAN
     60,710 ORDINARY SHARES IN TOTAL, OF WHICH 48,539 ARE BENEFICIALLY HELD
            AND 12,171 ARE HELD NON-BENEFICIALLY PURSUANT TO THE TERMS OF THE
            COMPANY'S ANNUAL BONUS INCENTIVE PLAN.

16) Total percentage holding of issued class following this notification

    0.04% OPTIONS
    0.0097% PURCHASE UNITS
    0.0065% ORDINARY SHARES


     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

    THE NON-BENEFICIAL HOLDING OF 12,171 SHARES REFERRED TO ABOVE IS REGISTERED
    UNDER ORBIS PENSION TRUSTEES LIMITED T1019 (THE 'TRUSTEE'), THE TRUSTEE OF
    SPIRENT'S EMPLOYEE BENEFIT TRUST ESTABLISHED TO DELIVER SPIRENT ORDINARY
    SHARES UNDER VARIOUS DISCRETIONARY EMPLOYEE SHARE SCHEMES AND UNDER THE 
    ANNUAL BONUS INCENTIVE PLAN.

24) Name of contact and telephone number for queries

    J.E. GOMM       01293 767657

25) Name and signature of authorised company official responsible for
    making this notification

    Date of Notification      7 JANUARY 2002