Notifiable Interests

microgen

Information Management Solutions

www.microgen.co.uk

4 February 2003

Microgen plc

Notifiable Interests

The Company was notified today, that under Sections 198-202 of the Companies
Act 1985, Legal & General Investment Management Limited is interested in
1,851,557 Ordinary Shares representing 3.17% of the issued share capital.

The shares are registered in the name of:

No. of shares

HSBC Global Custody Nominee (UK) Ltd A/c 775245 437,618

HSBC Global Custody Nominee (UK) Ltd A/c 357206 1,370,939

HSBC Global Custody Nominee (UK) Ltd A/c 360509 43,000

If you require further information please contact:

G.E. Liddle, Company Secretary [phone]