Notifiable Interests

microgen

Information Management Solutions

www.microgen.co.uk

4 September 2003

Microgen plc

Notifiable Interests

The Company was notified today, that under Sections 198-202 of the Companies
Act 1985, Schroder Investment Management Limited is interested in 12,379,102
Ordinary Shares representing 21.19% of the issued share capital.

The shares are registered or to be registered in the name of:

No. of shares

Chase Nominees Limited TOTAL 6,387,905

Schroder Nominees

British Coal Staff Superannuation a/c: P 2,789,056

Mineworkers' Pension Scheme a/c: R 2,702,141

Nortrust Nominees Ltd 500,000

TOTAL 5,991,197

If you require further information please contact:

G.E. Liddle, Company Secretary [phone]