SOURCE: Spirent Communications PLC

July 28, 2006 12:07 ET

Spirent Communications PLC announces Transaction in Own Shares

Crawley, UK -- (MARKET WIRE) -- July 28, 2006 --


Spirent Communications plc announces that on 28 July 2006 it purchased from
JPMorgan Cazenove Limited 1,000,000 Spirent Communications plc ordinary shares
at an average price of 34.3225 pence per share. The purchased shares will be
held as treasury shares. Following the above purchase, Spirent Communications
plc holds 36,140,000 Spirent Communications plc ordinary shares in treasury, and
has 934,836,070 Spirent Communications plc ordinary shares in issue (excluding
treasury shares).




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