25 September 2008

Detica Group plc

Application has been made to the UK Listing Authority and the London Stock Exchange for block listings totalling 4,730,000 Ordinary shares of 2p each to trade on the London Stock Exchange and to be admitted to the Official List upon issuance. The shares shall rank equally with the existing issued shares of the Company. 

The shares are to be issued in connection with the satisfaction of option and LTIP awards that vest on completion of the offer for Detica Group plc by BAE Systems plc.

The block listings consist of: 

• 2,670,000 Ordinary Shares of 2p each under the Detica Group plc Long Term Incentive Plan,

• 1,840,000 Ordinary Shares of 2p each under the Detica Group plc 2001 Employee Share Option Scheme

• 220,000 Ordinary Shares of 2p each under the Detica Group plc 1998 Employee Share Option Scheme

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