Notifiable Interests

microgen

Information Management Solutions

www.microgen.co.uk

30 June 2004

Microgen plc

Notifiable Interests

The Company was notified today that under Sections 198-202 of the Companies Act
1985, UBS Global Asset Management Life Limited is interested in 5,006,422
Ordinary Shares representing 5.76% of the issued share capital.

The shares are registered in the name of:

No. of shares

Phildrew Nominees Limited A/C LF20 5,006,422

If you require further information please contact:

G.E. Liddle, Company Secretary [phone]