Lonmin - Increase of Conversion Amount

Lonmin - Increase of Conversion Amount                                          
Lonmin Plc                                                                      
(Incorporated in England)                                                       
(Registered in the Republic of South Africa under registration                  
number 1969/000015/10)                                                          
ISIN code: GB0031192486                                                         
JSE code: LON                                                                   
Issuer code: LOLMI                                                              
("Lonmin")                                                                      
16 September 2005                                                               
NOTICE TO BONDHOLDERS                                                           
Lonmin plc (the Issuer)                                                         
US$215,795,000 3.75 per cent. Convertible Bonds due 2008 (the Bonds)            
(ISIN: XS0177384962)                                                            
Notice of increase of Conversion Amount                                         
Notice is given to the holders of the Bonds that on and with effect from 23     
September 2005, the Conversion Amount will be increased by US$333.3315 to       
US$1,000 in respect of each US$1,000 principal amount of Bonds and the Cash     
Settled Amount will be accordingly reduced to zero.  Accordingly, upon exercise 
of a Conversion Right, each Bond will be converted wholly into ordinary shares  
of the Issuer, subject to the terms and conditions of the Bonds, including,     
without limitation, the Issuer"s right to make a Cash Alternative Election.     
Capitalised terms used in this Notice shall have the respective meanings given  
in the Bonds.                                                                   
Date: 19/09/2005 07:12:34 AM Supplied by www.sharenet.co.za                     
Produced by the JSE SENS Department