Notifiable Interests

microgen

Information Management Solutions

www.microgen.co.uk

10th January 2005

Microgen plc

Notifiable Interests

The Company received notice on the 6th January 2005 that under Sections 198-202
of the Companies Act 1985 Trustees of the Mineworkers Pension Scheme Limited is
interested in 3,064,403 Ordinary Shares representing 3.02% of the issued share
capital.

The shares are registered in the name of:

No. of shares

Mineworkers Pension Scheme (Chase GIS)

Nominees Limited 3,064,403

If you require further information please contact:

G.E. Liddle, Company Secretary Fax: [phone]