BWI                                                                             
BWI - B & W Instrumentation And Electrical Limited - Dealings in securities by  
the designated adviser                                                          
B & W INSTRUMENTATION AND ELECTRICAL LIMITED                                    
Incorporated in the Republic of South Africa                                    
(Registration number 2001/008548/06)                                            
Share code: BWI    ISIN: ZAE000098687                                           
("B&W")                                                                         
DEALINGS IN SECURITIES BY THE DESIGNATED ADVISER                                
In compliance with paragraph 21.28 when read with paragraphs 3.63 to 3.74 (both 
inclusive) of the Listings Requirements of JSE Limited, the following is        
disclosed:                                                                      
Name                          :    Brian Rainier                                
Company                       :    Merchantec (Proprietary) Limited,            
Designated Adviser to B&W                                                       
Date of transaction           :    28 July 2010                                 
Price per share               :    R1.40                                        
Number of securities          :    64 050                                       
Total value                   :    R89 670.00                                   
Class of securities           :    Ordinary shares                              
Nature of transaction         :    Sale of shares on market                     
Extent of director's interest :    Direct beneficial                            
Clearance to deal obtained    :    Yes                                          
Johannesburg                                                                    
30 July 2010                                                                    
Designated Adviser                                                              
Merchantec Capital                                                              
Date: 30/07/2010 16:41:01 Produced by the JSE SENS Department.                  
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