Transaction in Own Shares

London Security PLC
07 May 2004

LONDON SECURITY PLC (the 'Company')

7 MAY 2004

PURCHASE OF OWN SECURITIES

London Security plc announces that today the Company has purchased for
cancellation 1,000 ordinary shares of 10p each at a price of 1335p per share.

The issued share capital of the Company is now 14,471,316 ordinary shares.




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