Holding(s) in Company

Spirent PLC
25 November 2002

          London Stock Exchange

                   NOTIFICATION OF MAJOR INTERESTS IN SHARES



All relevant boxes should be completed in block capital letters

1    Name of company                                             2    Name of shareholder having a major interest


     SPIRENT plc                                                       Lexa B.V.

     


3    Please state whether notification indicates that it is in   4    Name of the registered holder(s) and, if more
                                                                      than one holder, the number of shares held by
     respect of holding of the shareholder named in 2 above or        each of them

     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

     SHAREHOLDER IN 2 ABOVE

                                                                      -
5    Number of shares 6   Percentage of     7   Number of shares 8    Percentage of Issued
     / amount of          Issued                /amount of stock
     stock acquired                             disposed              Class
                          Class


     10,000,000                                 -                     -
                          1.06%


9     Class of security                                     10    Date of transaction    11   Date company informed

      ORDINARY SHARES OF 3 1/3p EACH                              19-22 November 2002         25 November 2002
12    Total holding following this notification             13    Total percentage holding of issued class following
                                                                  this notification
      128,398,257
                                                                  13.67%




14   Any additional information                            15   Name of contact and telephone number for queries



     NOTIFICATION IN ACCORDANCE WITH S198-202 COMPANIES         Luke THOMAS - 01293 767658
     ACT 1985



16   Name and signature of authorised company official

     responsible for making this notification







     Date of notification 25 November 2002



London Stock Exchange, Company Announcements Office, Old Broad Street, London
EC2N 1HP

Facsimile: 0207 588 6057, 0207 334 8964/8965/8966 (PLEASE DO NOT POST)

Enquries: Continuing Obligations: Telephone: [phone]


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