Director/PDMR Shareholding

2 Dec 2008 16:09

2 December 2008Microgen plc (the "Company")Director/PDMR Shareholding

This notification is made in accordance with DR 3.1.4R (1) (a) and (b):

Microgen plc announces that, in accordance with the rules of the Microgen Performance Share Plan 2006, awards of options over Ordinary Shares of 5p each were made on 2 December 2008 to the following Directors of the Company:

Name of Director: David Sherriff Date of Grant: 2 December 2008

Date on which it can be exercised: 2 December 2011 Total amount paid (if any) for grant of option: NIL Description of shares involved: 56,780 Ordinary Shares of 5p each Exercise price in pence: 5p Total Number of Shares over which Options held following this notification: 1,050,000

Name of Director: Philip Wood Date of Grant: 2 December 2008

Date on which it can be exercised: 2 December 2011 Total amount paid (if any) for grant of option: NIL Description of shares involved: 50,000 Ordinary Shares of 5p each Exercise price in pence: 5p Total Number of Shares over which Options held following this notification: 225,000

If you require further information please contact:

A. Siddiqi, Company Secretary Tel: 01252 772 326

www.microgen.com