Notifiable Interests

microgen

Information Management Solutions

www.microgen.co.uk

16 June 2003

Microgen plc

Notifiable Interests

The Company was notified on 13 June 2003, that under Sections 198-202 of the
Companies Act 1985, Schroder Investment Management Limited is interested in
11,810,200 Ordinary Shares representing 20.22% 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 2,505,029

Mineworkers' Pension Scheme a/c: R 2,417,266

Nortrust Nominees Ltd 500,000

TOTAL 5,422,295

The above shareholdings in Schroder Nominees include shareholdings in British
Coal Staff Superannuation Scheme (Chase GIS) Nominees Ltd and Mineworkers'
Pension Scheme (Chase GIS) Nominees Ltd as separately announced by the Company
on 9 June 2003.

If you require further information please contact:

G.E. Liddle, Company Secretary [phone]