SOURCE: Spirent Communications PLC

August 21, 2006 12:12 ET

Spirent Communications PLC announces Transaction in Own Shares

Crawley, UK -- (MARKET WIRE) -- August 21, 2006 --

Spirent Communications plc announces that on 21 August 2006 it purchased from JPMorgan Cazenove Limited 1,000,000 Spirent Communications plc ordinary shares at an average price of 47.7778 pence per share. The purchased shares will be held as treasury shares. Following the above purchase, Spirent Communications plc holds 43,990,000 Spirent Communications plc ordinary shares in treasury, and has 927,553,203 Spirent Communications plc ordinary shares in issue (excluding treasury shares).


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