Holding(s) in Company-Replace

Mondas PLC
29 April 2005


This announcement replaces the 'Holding in Company' announcement which was
released on 29 April at 7.00am under RNS No: 6949L. This announcement now shows
the correct year of notification.

                     Mondas plc ('Mondas' or 'the Company')

                               Holding in Company

Mondas announces that the Company was notified, on 28 April 2005, that, after
recent share purchases, Mr Patrick Porteous now holds 800,000 Mondas ordinary
shares, equivalent to 3.06 per cent of the ordinary share capital of the
Company.




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