Annual Information Update

ANNUAL INFORMATION UPDATE

Johnson Matthey PLC (the "Company") is pleased to provide an annual information
update in accordance with the requirements of Prospectus Rule 5.2. This update
refers to information that has been published or made available by the Company
to the public during the period 1 April 2007 to 31 July 2008. To avoid an
unnecessarily lengthy document, information is referred to in this update
rather than included in full.

The information referred to in this update was up to date at the time the
information was published but some information may, at any time, become out of
date due to changing circumstances.

1.     Announcements made via RNS/Newswire                                     

Date      Heading                          
                                           
11/04/07  Total Voting Rights               
11/04/07  Director/PDMR Shareholding       
11/04/07  Director/PDMR Shareholding       
16/04/07  New Non-Executive Director       
19/04/07  Director/PDMR Shareholding       
01/05/07  Total Voting Rights              
17/05/07  Director/PDMR Shareholding       
23/05/07  Holding(s) in Company            
30/05/07  New Non-Executive Director       
01/06/07  Total Voting Rights              
07/06/07  Final Results                    
08/06/07  Transaction in own shares        
11/06/07  Transaction in own shares        
11/06/07  Transaction in own shares        
11/06/07  Director/PDMR Shareholding       
11/06/07  Director/PDMR Shareholding       
18/06/07  Annual Report and Accounts       
19/06/07  Annual Information Update        
20/06/07  Director/PDMR Shareholding       
26/06/07  Holding(s) in Company            
02/07/07  Total Voting Rights              
16/07/07  Holding(s) in Company            
19/07/07  Director/PDMR Shareholding       
24/07/07  Interim Management Statement     
24/07/07  Result of AGM                    
25/07/07  Transaction in Own Shares        
26/07/07  Director/PDMR Shareholding       
27/07/07  Transaction in Own Shares        
27/07/07  Transaction in Own Shares        
30/07/07  Director/PDMR Shareholding       
30/07/07  Transaction in Own Shares        
31/07/07  Director/PDMR Shareholding       
01/08/07  Total Voting Rights              
01/08/07  Transaction in Own Shares        
02/08/07  Transaction in Own Shares        
03/08/07  Director/PDMR Shareholding       
03/08/07  Holding(s) in Company            
03/08/07  Transaction in Own Shares        
06/08/07  Transaction in Own Shares        
06/08/07  Transaction in Own Shares        
07/08/07  Director/PDMR Shareholding       
07/08/07  Holding(s) in Company            
08/08/07  Transaction in Own Shares        
08/08/07  Director/PDMR Shareholding       
10/08/07  Director/PDMR Shareholding       
14/08/07  Holding(s) in Company            
14/08/07  Director/PDMR Shareholding     
14/08/07  Director/PDMR Shareholding     
16/08/07  Director/PDMR Shareholding     
21/08/07  Transaction in Own Shares      
22/08/07  Transaction in Own Shares      
23/08/07  Transaction in Own Shares      
03/09/07  Total Voting Rights            
04/09/07  Director/PDMR Shareholding     
04/09/07  Holding(s) in Company          
10/09/07  Transaction in Own Shares      
11/09/07  Transaction in Own Shares      
12/09/07  Blocklisting Interim Review   
13/09/07  Transaction in Own Shares      
14/09/07  Transaction in Own Shares      
14/09/07  Transaction in Own Shares      
19/09/07  Director/PDMR Shareholding     
20/09/07  Transaction in Own Shares      
26/09/07  Trading Statement              
28/09/07  Holding(s) in Company          
01/10/07  Total Voting Rights            
02/10/07  Director/PDMR Shareholding     
11/10/07  Appointment of Joint Broker    
16/10/07  Holding(s) in Company          
17/10/07  Holding(s) in Company          
19/10/07  Director/PDMR Shareholding     
25/10/07  Holding(s) in Company          
29/10/07  Holding(s) in Company          
01/11/07  Total Voting Rights            
02/11/07  Holding(s) in Company          
15/11/07  Holding(s) in Company          
20/11/07  Holding(s) in Company          
22/11/07  Director/PDMR Shareholding     
28/11/07  Interim Results                
29/11/07  New Plants                     
07/12/07  Holding(s) in Company          
10/12/07  Acquisition                    
17/12/07  Blocklisting Interim Review    
21/12/07  Director/PDMR Shareholding     
03/01/08  Director/PDMR Shareholding     
17/01/08  Holding(s) in Company          
17/01/08  Director/PDMR Shareholding     
22/01/08  Holding(s) in Company          
29/01/08  Interim Management Statement   
31/01/08  Regulatory Approval            
05/02/08  Director/PDMR Shareholding     
06/02/08  Director/PDMR Shareholding     
06/02/08  Acquisition                    
08/02/08  Holding(s) in Company          
08/02/08  Director/PDMR Shareholding     
08/02/08  Director/PDMR Shareholding     
14/02/08  Holding(s) in Company          
15/02/08  Holding(s) in Company          
21/02/08  Director/PDMR Shareholding     
25/02/08  Holding(s) in Company          
28/02/08  Holding(s) in Company          
20/03/08  Director/PDMR Shareholding     
20/03/08  Director/PDMR Shareholding     
20/03/08  Director/PDMR Shareholding     
31/03/08  Directorate Change             
01/04/08  Senior Independent Director    
01/04/08  Total Voting Rights            
01/04/08  Director/PDMR Shareholding     
17/04/08  Director/PDMR Shareholding     
22/05/08  Director/PDMR Shareholding     
05/06/08  Final Results                  
10/06/08  Blocklisting Interim Review    
17/06/08  Annual Report and Accounts     
18/06/08  Director/PDMR Shareholding     
23/06/08  Holding(s) in Company          
26/06/08  Director/PDMR Shareholding     
16/07/08  Director/PDMR Shareholding     
22/07/08  Interim Management Statement   
22/07/08  Result of AGM                  
23/07/08  Director/PDMR Shareholding     
24/07/08  Director/PDMR Shareholding     
29/07/08  Holding(s) in Company          

Copies of the above announcements can be found on the London Stock Exchange
website www.londonstockexchange.com

2.     Documents filed at Companies House                                      

All of the documents listed below were filed at Companies House on or around
the dates indicated.

Date         Document Type                       
                                                 
17/04/07    169(1B)                              
17/04/07    169(1B)                              
17/04/07    169(1B)                              
17/04/07    169(1B)                              
23/04/07    88(2)R                               
23/04/07    88(2)R                               
23/04/07    88(2)R                               
23/04/07    88(2)R                               
23/04/07    88(2)R                               
23/04/07    88(2)R                               
23/04/07    88(2)R                               
23/04/07    88(2)R                               
23/04/07    88(2)R                               
23/04/07    88(2)R                               
23/04/07    88(2)R                               
23/04/07    88(2)R                               
02/05/07    169(1B)                              
18/05/07    88(2)R                               
18/05/07    88(2)R                               
18/05/07    88(2)R                               
18/05/07    88(2)R                               
18/05/07    88(2)R                               
05/06/07    169(1B)                              
05/06/07    169(1B)                             
05/06/07    169(1B)                             
05/06/07    169(1B)                              
05/06/07    169(1B)                             
05/06/07    169(1B)                              
27/06/07    169(1B)                              
05/07/07    88(2)R                              
30/07/07    88(2)R                              
30/07/07    88(2)R                              
30/07/07    88(2)R                              
01/08/07    Resolutions & New Articles of Association 
13/08/07    363a                                
14/08/07    Annual Accounts                     
17/08/07    169(1B)                             
17/08/07    169(1B)                             
04/09/07    88(2)R                              
04/09/07    88(2)R                              
17/09/07    169(1B)                             
18/09/07    288a                                
19/09/07    169(1B)                             
19/09/07    169(1B)                             
01/10/07    288c                                
10/10/07    169(1B)                             
10/10/07    169(1B)                             
30/10/07    288c                                
03/04/08    288b                                
03/04/08    288b                                
20/05/08    288c                                
31/07/08    Annual Accounts                     

Copies of documents filed at Companies House can be obtained from Companies
House or from the Company Secretary, Johnson Matthey PLC, 40-42 Hatton Garden,
London EC1N 8EE.

3. Documents sent to shareholders

The following documents were published and sent to shareholders. They are
available on the Company's website www.matthey.com

Date       Document                                                            
                                                                               
17/06/08   Annual Report and Accounts for the year ended 31/03/08              
17/06/08   Circular Letter to Shareholders including Notice of Annual General  
           Meeting                                                             

For further enquires, contact

Angela Purtill, Assistant Company Secretary, Johnson Matthey PLC

Telephone: [phone]