Notifiable Interests

microgen

Information Management Solutions

www.microgen.co.uk

18th February 2005

Microgen plc

Notifiable Interests

The Company received notice on the 17th February 2005 that under Sections
198-202 of the Companies Act 1985 Unicorn Asset Management Limited is
interested in 7,796,126 Ordinary Shares representing 7.67% of the issued share
capital.

The shares are registered in the name of:

No. of shares

HSBC Global Nominees Ltd

- a/c - Eaglet 3,989,864

- a/c - Unicorn Free Spirit 2,138,857

- a/c - Unicorn UK Smaller Companies 1,394,000

Bank of New York

- a/c ref Unicorn AIM VCT plc 273,405

7,796,126

The 3,989,864 shares registered in the name of HSBC Global Nominees Ltd - a/c
Eaglet, relate to Eaglet Investment Trust plc and on their own represent 3.93%
of the issued share capital.

If you require further information please contact:

G.E. Liddle, Company Secretary

Tel: [phone]