Notifiable Interests

microgen

Information Management Solutions

www.microgen.co.uk

11 February 2003

Microgen plc

Notifiable Interests

The Company was notified today, that under Sections 198-202 of the Companies
Act 1985, Herald Investment Trust plc is interested in 2,293,750 Ordinary
Shares representing 3.93% of the issued share capital.

The shares are registered in the name of:

No. of shares

BNY (OCS) Nominees Limited 2,293,750

If you require further information please contact:

G.E. Liddle, Company Secretary [phone]