SOURCE: Spirent Communications PLC

October 11, 2006 13:11 ET

Spirent Communications PLC announces Transaction in Own Shares

Crawley, UK -- (MARKET WIRE) -- October 11, 2006 --


Spirent Communications Plc
Transaction in Own Shares


Spirent Communications PLC announces that it has today purchased through
Citigroup Global Markets U.K. Equity Limited 300,000 ordinary shares at an
average price of  59.24 pence per share. The highest price and the lowest price
paid for these shares were  59.50 pence and  58.50 pence respectively.

Following the above purchase, Spirent Communications plc holds 68,790,000
Spirent Communications plc ordinary shares in treasury, and has 903,851,335
Spirent Communications plc ordinary shares in issue (excluding treasury shares).



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