Holding(s) in Company

Spirent PLC
26 February 2003



          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                                                      HBOS plc

   


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        Chase Nominees Ltd A/C CMIG1105     879,344
     an individual holder if it is a holding of that person's
     spouse or children under the age of 18                           Chase Nominees Ltd A/C CMIG194     7,738

     SHAREHOLDER IN 2 ABOVE                                           Chase Nominees Ltd A/C CMIG 237     697,223

                                                                      Pershing Keen Nominees (AD0086)     1,123

                                                                      HSBC Global Custody Nominees (UK) Ltd (EQINC)
                                                                           1,062,759

                                                                      HSBC Global Custody Nominees (UK) Ltd (EQPEL)
                                                                           2,906,496

                                                                      HSBC Global Custody Nominees (UK) Ltd (EQSTR)
                                                                           229,750

                                                                      State Street Nominees (FE1D)     7,250

                                                                      State Street Nominees (FE1F)     37,392

                                                                      Morgan Nominees Limited (HLBA)     457,082

                                                                      Morgan Nominees Limited (HLFO)     449,618

                                                                      Morgan Nominees Limited (HPBA)     19,685

                                                                      Morgan Nominees Limited (HPFO)     17,006

                                                                      Morgan Nominees Limited (HXLFE)     514,516

                                                                      Morgan Nominees Limited (HXPEN)     20,274

                                                                      Chase Nominees Ltd A/C T19795 (IPEHI)
                                                                      2,423,577

                                                                      Chase Nominees Ltd A/C T19795 (IPFGW)
                                                                      30,000

                                                                      Chase Nominees Ltd A/C T19795 (IPUDS)
                                                                      622,804

                                                                      Pershing Keen Nominees (PD2659)     8,950

                                                                      St James's Place UK plc (SJP TRACKER)
                                                                      13,340

                                                                      Chase Nominees Limited (UKTRA0)     29,157

                                                                      Chase Nominees Limited (WPUKEQ)     17,743,203

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

     -                    -                     5,379,900             0.57%
                          



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

      ORDINARY SHARES OF 3 1/3p EACH                              Not notified                26 February 2003

12    Total holding following this notification             13    Total percentage holding of issued class following
                                                                  this notification

      28,178,287                                                  2.99%
                                                                  




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



     NOTIFICATION IN ACCORDANCE WITH S.198-202 COMPANIES        Michael Anscombe - 01293 767672
     ACT 1985 THAT THE SHAREHOLDER NAMED IN 2 ABOVE NO
     LONGER HAS A NOTIFIABLE INTEREST IN THE COMPANY


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


     Date of notification 26 February 2003                      Michael Anscombe - Assistant Company Secretary

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]


                      This information is provided by RNS
            The company news service from the London Stock Exchange