Director/PDMR Shareholding

microgen

Information Management Solutions

www.microgen.co.uk

25th May 2006

                                 Microgen plc                                  

                          Director/PDMR Shareholding                           

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

Further to shareholder approval received at the Company's Annual General
Meeting held on 11th May 2006 to adopt the Microgen Performance Share Plan 2006
(the "Plan") and to grant share options to David Sherriff and Michael Phillips
pursuant to the Plan, awards of options over Ordinary Shares of 5p each were
made on 24th May 2006 to the following Executive Directors:


Executive Director:                   David John Sherriff                      
                                                                               
Date of Grant:                        24 May 2006                              
                                                                               
Date on which it can be exercised:    24 May 2009                              
                                                                               
Total amount paid (if any) for grant  
of option:                            NIL                                                                               
                                                                               
Description of shares involved:       593,220 Ordinary Shares of 5p each       
                                                                               
Exercise price in pence:              5p                                       
                                                                               
Total Number of Shares over which                                   
Options held following this                                                     
notification:                         1,043,220                                         



Executive Director:                   Michael Scott Phillips                   
                                                                               
Date of Grant:                        24 May 2006                              
                                                                               
Date on which it can be exercised:    24 May 2009                              
                                                                               
Total amount paid (if any) for grant                                        
of option:                            NIL                                         
                                                                               
Description of shares involved:       593,220 Ordinary Shares of 5p each       
                                                                               
Exercise price in pence:              5p                                       
                                                                               
Total Number of Shares over which    
Options held following this                                                    
notification:                         1,155,365                                                                         


If you require further information please contact:

G.E. Liddle, Company Secretary 01252 772 313