Notifiable Interests

microgen Information Management Solutions www.microgen.co.uk 16th August 2006 Microgen plc (the "Company") Notifiable Interests The Company received notice on 16th August 2006 under Sections 198-202 of the Companies Act 1985 that Aberforth Partners LLP is interested in 16,688,151 Ordinary Shares representing 16.26% of the issued share capital of the Company, which is currently 102,641,214 Ordinary Shares. The shares are registered in the name of: No. of shares Nortrust Nominees Limited A/C ABERFRTH 13,741,451 Bank of Ireland Nominees Limited 719,400 The Church Commissioners for England (Chase GIS) Nominees Limited 1,045,100 State Street Nominees Limited A/C JD59 1,182,200 16,688,151 If you require further information please contact: G.E. Liddle, Company Secretary Tel: 01252 772 326
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