Corporate Action

Spirent PLC
16 November 2000

RIGHTS ISSUE
SECURITY TITLE
*Ord Shs
MNEMONIC CODE       *SPT
SEDOL CODE          *472-609
TERMS               *5 Rights Issue shares for every 24 existing Ordinary       
                    shares held at 375p.
DEALINGS COMMENCE NIL PAID *17-11-00
PROVISIONAL EX DATE *17-11-00
RECORD DATE         *14-11-00
SPLITTING NIL PAID  *05-12-00 3:00pm
ACCEPTANCE DATE     *07-12-00 3:00pm
SPLITTING FULLY PAID *19-12-00 3:00pm
RENUNCIATION        *21-12-00 3:00pm
NOTES *