| Date 
                        of Change of Interest  | 
                      13-02-2012 | 
                    
                     
                      | Name of 
                        Registered Holder | 
                      Citibank Noms S'pore Pte Ltd  | 
                    
                    
                      | Circumstance(s) giving 
                        rise to the interest or change in interest | 
                      #Others | 
                    
                     
                      | # Please specify details  | 
                      The substantial holding in CDW is held directly by The China Fund, Inc. The 
                        change in the percentage level is the result of a change of the investment 
                        manager of The China Fund, Inc. to RCM Asia Pacific Ltd. RCM Asia Pacific Ltd 
                        now has control of the voting rights attached to the shareholding in the listed 
                        company. RCM Asia Pacific Ltd is a wholly owned subsidiary of Allianz Global 
                        Investors Asia Pacific GmbH which itself is a wholly own subsidiary of Allianz 
                        Asset Management AG. Allianz Asset Management AG is a wholly owned 
                        subsidiary of Allianz SE.  
                         
                        The substantial shareholder has a deemed interest in the Registered Holder's 
                        shareholding in the listed company.  
                       | 
                    
                     
                      | Information relating to 
                        shares held in the name of Registered Holder | 
                    
                     
                      | No. of Shares held 
                        before the change | 
                      0  | 
                    
                     
                      | As a percentage of 
                        issued share capital | 
                      0%  | 
                    
                     
                      | No. of Shares which 
                        are subject to this notice | 
                      47,602,000 | 
                    
                     
                      | As a percentage of 
                        issued share capital | 
                      9.85%  | 
                    
                     
                      Amount of consideration 
                        (excluding 
                        brokerage and stamp duties) per share paid or received | 
                      0 | 
                    
                     
                      | No. of Options held 
                        after the change | 
                      47,602,000 | 
                    
                     
                      | As a percentage of 
                        issued share capital | 
                      9.85%  |