Holding(s) in Company

For immediate release

                                                                    24 May 2006

                                  MONDAS PLC                                   

                          ("Mondas" or "the Company")                          

                              Notifiable Interest                              

Mondas announces that the Company was notified yesterday that, following a
recent purchase of 10,000 ordinary shares, Mr George Cowie now holds, 1,105,555
ordinary shares, equivalent to 3.03 per cent. of the issued share capital of
the Company.

Further Enquiries:

Mondas plc                                                   Tel: [phone]
                                                                               
Ian Selby                                                                      
                                                                               
John East & Partners Limited                                 Tel: [phone]
                                                                               
John East/Simon Clements