Director Shareholding

Spirent PLC
2 July 2001

                       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 SPOUSE

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

    ERIC GEORGE HUTCHINSON

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

    SEE BOX 3

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

    MARKET PURCHASE OF SHARES

7)  Number of shares/amount of
    stock acquired

    4,500

8)   ( 0.0005% )
    of issued Class


9)  Number of shares/amount
    of stock disposed

    -

10)  ( N/A %)
    of issued Class


11) Class of security

    ORDINARY SHARES OF 3 1/3p EACH

12) Price per share

    224 PENCE

13) Date of transaction

    2 JULY 2001

14) Date company informed

    2 JULY 2001

15) Total holding following this notification

    43,411 BENEFICIAL HOLDING (ALSO SEE BOX 23 BELOW)


16) Total percentage holding of issued class following this notification

    0.005%

     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

    ADDITIONAL 12,171 ORDINARY SHARES HELD AS NON-BENEFICIAL HOLDING REMAINS    
    UNCHANGED.

24) Name of contact and telephone number for queries

    J E GOMM -  01293 767656

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

    L THOMAS, DEPUTY COMPANY SECRETARY

    Date of Notification  2 JULY 2001                               




                       DEALINGS BY DIRECTORS

1)  NAME OF COMPANY

    SPIRENT PLC

2)  NAME OF DIRECTOR

    NICHOLAS KELVIN BROOKES

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 SPOUSE

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

    NICHOLAS KELVIN BROOKES

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

    SEE BOX 3

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

    MARKET PURCHASE OF SHARES

7)  Number of shares/amount of
    stock acquired

    22,500

8)   ( 0.0024% )
    of issued Class


9)  Number of shares/amount
    of stock disposed

    -

10)  ( N/A %)
    of issued Class


11) Class of security

    ORDINARY SHARES OF 3 1/3p EACH

12) Price per share

    224 PENCE

13) Date of transaction

    2 JULY 2001

14) Date company informed

    2 JULY 2001

15) Total holding following this notification

    127,084 BENEFICIAL HOLDING (ALSO SEE BOX 23 BELOW)


16) Total percentage holding of issued class following this notification

    0.014%

     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

    ADDITIONAL 26,315 ORDINARY SHARES HELD AS NON-BENEFICIAL HOLDING REMAINS    
    UNCHANGED.

24) Name of contact and telephone number for queries

    J E GOMM -  01293 767656

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

    L THOMAS, DEPUTY COMPANY SECRETARY

    Date of Notification  2 JULY 2001