Notifiable Interests

microgen

Information Management Solutions

www.microgen.co.uk

15 December 2003

Microgen plc

Notifiable Interests

The Company was notified on 12 December 2003, that under Sections 198-202 of
the Companies Act 1985, Southwind Limited and Mr A.L.R. Morton are interested
in 3,209,871 Ordinary Shares representing 3.79% of the issued share capital.

If you require further information please contact:

G.E. Liddle, Company Secretary [phone]