Notifiable Interests

microgen

Information Management Solutions

www.microgen.co.uk

13 January 2004

Microgen plc

Notifiable Interests

The Company was notified on 12 January 2004, that under Sections 198-202 of the
Companies Act 1985, Artemis Special Situations are interested in 3,360,000
Ordinary Shares representing 3.87% of the issued share capital.

If you require further information please contact:

G.E. Liddle, Company Secretary [phone]