Lonmin - Lonmin offer for Southern Platinum concludes successfully

Lonmin - Lonmin offer for Southern Platinum concludes successfully              
Lonmin Plc                                                                      
("Lonmin")                                                                      
(Incorporated in England)                                                       
(Registered in the Republic of South Africa under registration number           
1969/000015/10)                                                                 
ISIN code: GB0031192486                                                         
Share code: LON                                                                 
Issuer code: LOLMI                                                              
LONMIN OFFER FOR SOUTHERN PLATINUM CONCLUDES SUCCESSFULLY                       
LONDON, ENGLAND and TORONTO, ONTARIO - June 28, 2005 - Lonmin Investments Canada
Inc. ("Lonmin Investments") announces today the completion of its offer (the    
"Offer") to acquire all of the issued and outstanding common shares (the        
"Shares") in the capital of Southern Platinum Corp. (TSX: SPC).  The Offer to   
acquire the Shares for cash consideration of C$2.66 per Share was made by Lonmin
Investments, a wholly owned subsidiary of Lonmin Plc (LSE: LMI), pursuant to a  
take-over bid circular (the "Circular") dated April 14, 2005.  The Offer expired
at 5:00 p.m. (Toronto time) on June 28, 2005 in accordance with the terms of the
Circular and last extension of the Offer.                                       
Lonmin Investments has today taken up 4,069,142 Shares in accordance with the   
Offer.  Lonmin Investments will pay for such Shares taken up within the         
prescribed time period under applicable laws.  In total, Lonmin Investments has 
taken up 85,096,881 Shares pursuant to the Offer, representing approximately    
97.2% of the aggregate number of Shares issued and outstanding and approximately
91.0% of the Shares on a fully diluted basis.                                   
As the Offer has been accepted by holders of more than 90% of the Shares on a   
fully diluted basis, Lonmin Investments intends to exercise its right to acquire
all outstanding Shares not tendered to the Offer pursuant to a compulsory       
acquisition under the Canada Business Corporations Act as described in the      
Circular.                                                                       
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This press release includes forward-looking statements.  All statements other   
than statements of historical fact included in this press release, and all      
statements regarding plans, objectives and expected performance, are forward-   
looking statements.  These forward-looking statements have been based on current
expectations and projections about future events, including numerous            
assumptions.  Forward-looking statements generally can be identified by the use 
of forward-looking terminology such as "ambition", "may", "will", "expect",     
"intend", "estimate", "anticipate", "believe", "plan", "seek" or "continue" or  
negative forms or variations of similar terminology.  Such forward-looking      
statements involve known and unknown risks, uncertainties, assumptions and other
factors related to Lonmin Plc, Lonmin Investments and Southern Platinum Corp.   
Forward-looking statements involve risks, uncertainties and assumptions.  Actual
results may differ materially from those expressed in forward-looking           
statements.  Given these risks, uncertainties and assumptions, you are cautioned
not to put undue reliance on any forward-looking statements.  In addition, the  
inclusion of such forward-looking statements should under no circumstances be   
regarded as a representation by Lonmin Plc or Lonmin Investments that either    
will achieve any results set out in such statements or that the underlying      
assumptions used will in fact be the case.                                      
For Further Information:                                                        
Lonmin Plc:                                                                     
Alex Shorland-Ball, Vice President Investor Relations & Communications - +44 20 
7201 6060                                                                       
Media Enquiries:                                                                
United Kingdom:                                                                 
Nadja Vetter, Anthony Cardew - CardewGroup - +44 (0)20 7930 0777                
South Africa:                                                                   
Johannes van Niekerk - College Hill - +27 11 447 3030 or +27 82 921 9110        
Canada:                                                                         
John Lute - Lute & Company - +1 416 929 5883 ext 222                            
Date: 29/06/2005 08:00:13 AM Supplied by www.sharenet.co.za                     
Produced by the JSE SENS Department