Purchase of Own Shares

microgen

Information Management Solutions

www.microgen.co.uk

13 November 2002

                            Purchase of Own Shares                             

Microgen plc announces that it has purchased today for cancellation 1,700,000
ordinary shares of 5p each at a price of 26 pence per share.

The Company has an existing authority from shareholders to purchase up to
6,463,384 ordinary shares. Since 22 July 2002 the Company has purchased an
aggregate of 6,320,000 ordinary shares (equivalent to 9.8% of the issued Share
Capital as at 23 April 2002), including the above purchase.

Contact :

Gerry Liddle, Company Secretary 01753 847155

About Microgen:

Microgen plc (LSE: MCGN) provides software, consultancy and managed services
enabling businesses to collate, process and distribute data to enhance their
business processes and information output. The Group comprises three operating
divisions.

1. Microgen-Telesmart uses these techniques in delivering value-added
transactional services including billing, payment and hosted database
applications to provide a range of managed services for e-business process
integration.

2. Microgen-Kaisha provides vendor independent consultancy in data warehousing
and application integration to transform customer data into information.

3. Microgen-OST provides enterprise integration solutions, software and
consultancy to major financial institutions, enabling the application of
user-defined business rules, to integrate front, middle and back office
systems.

www.microgen.co.uk