Director Shareholding

Spirent PLC
19 October 2001

                                                         London Stock Exchange

             NOTIFICATION OF INTERESTS OF DIRECTORS AND CONNECTED
                                 PERSONS


All relevant boxes should be completed in typed block capital letters.

1  Name of company                                2  Name of director

   SPIRENT plc                                       ERIC GEORGE HUTCHINSON

3  Please state whether notification indicates    4  Name of the registered
   that it is in                                     holder(s) and, if more
                                                     than one holder, the
   Respect of holding of the director named in 2     number of shares held by
   above or                                          each of them. (If
                                                     notified)
   Holding of that person's spouse or children
   under the age

   of 18 or in respect of a non-beneficial           
   interest

   DIRECTOR NAMED IN 2 ABOVE                         NOT NOTIFIED

5  Please state whether notification relates to a 6  Please state the nature of
   person(s) connected with the director named in    the transaction. For
   2 above and identify
                                                     PEP transactions please
   The connected person(s)                           indicate whether

   N/A                                               general/single co PEP and
                                                     if discretionary/non
                                                     discretionary.

7  Number of      8  Percentage 9  Number of      10 Percentage of
   shares/amount     of issued     shares/amount     Issued
   of stock                        of stock
   acquired          Class         disposed          Class

   -                     -         -                        -

11 Class of       12 Price per  13 Date of        14 Date company
   security          share         transaction       informed

   -                 -

                                                     19 October 2001

15 Total holding following this notification      16 Total percentage holding
                                                     of issued class following
                                                     this notification




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
 
  5 October 2001                         1 December 2008 - 31 May 2009

                                          

19 Total amount paid (if any) for      20 Description of shares or debentures
   grant of the option                    involved: class,

   None                                   Number

                                          Options over 8,693 Ordinary Share
                                          of 3 1/3p each

21 Exercise price (if fixed at time of 22 Total number of shares or
   grant) or indication that              debentures over which options

   Price is to be fixed at time of        held following this notification
   exercise
                                          
   93p                                    387,318 options

23 Any additional information          24 Name of contact and telephone
                                          number for queries

                                          Jo Gomm - 01293 767656

25 Name and signature of authorised
   company official

   Responsible for making this
   notification                           JO GOMM - ASSISTANT COMPANY
                                          SECRETARY
   Date of notification ..19 October
   2001



















London Stock Exchange





             NOTIFICATION OF INTERESTS OF DIRECTORS AND CONNECTED

                                   PERSONS





All relevant boxes should be completed in typed block capital letters.
1  Name of company                                2  Name of director

   SPIRENT plc                                       NICHOLAS KELVIN BROOKES

3  Please state whether notification indicates    4  Name of the registered
   that it is in                                     holder(s) and, if more
                                                     than one holder, the
   Respect of holding of the director named in 2     number of shares held by
   above or                                          each of them. (If
                                                     notified)
   Holding of that person's spouse or children
   under the age

   of 18 or in respect of a non-beneficial           NOT NOTIFIED
   interest

   DIRECTOR NAMED IN 2 ABOVE

5  Please state whether notification relates to a 6  Please state the nature of
   person(s) connected with the director named in    the transaction. For
   2 above and identify
                                                     PEP transactions please
   The connected person(s)                           indicate whether

   N/A                                               general/single co PEP and
                                                     if discretionary/non

                                                     discretionary.

7  Number of      8  Percentage 9  Number of      10 Percentage of
   shares/amount     of issued     shares/amount     Issued
   of stock                        of stock
   acquired          Class         disposed          Class

   -                     -         -                        -

11 Class of       12 Price per  13 Date of        14 Date company
   security          share         transaction       informed

   -                 -

                                                     19 October 2001

15 Total holding following this notification      16 Total percentage holding
                                                     of issued class following
                                                     this notification




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
   5 October 2001

                                          1 December 2006 - 31 May 2007

19 Total amount paid (if any) for      20 Description of shares or debentures
   grant of the option                    involved: class,

   None                                   Number

                                          Options over 18,145 Ordinary Share
                                          of 3 1/3p each

21 Exercise price (if fixed at time of 22 Total number of shares or
   grant) or indication that              debentures over which options

   Price is to be fixed at time of        held following this notification
   exercise
                                          684,021 options
   93p

23 Any additional information          24 Name of contact and telephone
                                          number for queries

                                          Jo Gomm - 01293 767656

25 Name and signature of authorised
   company official

   Responsible for making this
   notification                           JO GOMM - ASSISTANT COMPANY
                                          SECRETARY
   Date of notification ..19 October
   2001