Additional Listing

Spirent PLC
7 June 2002


Spirent plc

Application has been made to The UK Listing Authority and the London Stock
Exchange for a block listing of 1,739,130 Ordinary shares of 3 1/3p each under
the Netcom Amended and Restated Stock Plan, to trade on the London Stock
Exchange and to be admitted to the Official List upon issuance. The shares shall
rank pari passu with the existing issued shares of the Company.

Copies of this announcement are available from the office of Cazenove & Co. Ltd
for the period of 2 business days from the date hereof.



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