Offer Update

AttentiV Systems Group PLC 04 May 2005 Not for release, publication or distribution in, into or from Australia, Canada, Japan or the United States FOR IMMEDIATE RELEASE 4 May 2005 WITHDRAWAL OF RECOMMENDATION Subsequent to the announcement released earlier today, the Board of AttentiV Systems Group plc is withdrawing its recommendation from the Microgen offer (as announced on 28 April 2005) in favour of the increased TietoEnator offer. Enquiries AttentiV Systems Group plc Tel: 01582 845000 Peter Bertram David Webber Hawkpoint (financial adviser to AttentiV) Tel: 020 7665 4500 Paul Baines Graham Paton Hawkpoint, which is authorised and regulated in the United Kingdom by the Financial Services Authority, is acting exclusively as financial adviser to AttentiV and no one else and will not be responsible to anyone other than AttentiV for providing the protections afforded to clients of Hawkpoint, nor for advising any other person in relation to the contents of this announcement or any matter referred to herein. Not for release, publication or distribution in, into or from Australia, Canada, Japan or the United States. This information is provided by RNS The company news service from the London Stock Exchange

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