Holding in Company

Spirent PLC
27 July 2000

                  DEALINGS BY SUBSTANTIAL SHAREHOLDERS


1)   NAME OF COMPANY

     SPIRENT PLC

2)   NAME OF SHAREHOLDER HAVING A MAJOR INTEREST

     SCOTTISH WIDOWS INVESTMENT PARTNERSHIP LIMITED

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

     SHAREHOLDER IN 2 ABOVE

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

     NOT KNOWN

5)   Number of shares/amount of stock acquired.

     NOT KNOWN

6)   (NOT KNOWN %) of issued Class

7)   Number of shares/amount of stock disposed

     NOT KNOWN

8)   (NOT KNOWN %) of issued Class

9)   Class of security

     ORDINARY SHARES OF 3 1/3P EACH

10)  Date of transaction

     NOT KNOWN

11)  Date company informed

     27 JULY 2000

12)  Total holding following this notification

     NOT KNOWN
               
13)  Total percentage holding of issued class following this notification

     NOT KNOWN

14)  Any additional information

     NOTIFICATION UNDER S198 COMPANIES ACT 1985 THAT NOTIFIABLE HOLDING 
     NO LONGER EXISTS PURSUANT TO S199(2)(B)

15)  Name of contact and telephone number for queries

     JAMES WALL     01293 767676

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

     Date of Notification ....27 JULY 2000..................