The ordinary shares of the Company are listed on The Stock Exchange of Hong Kong Limited (“HKEX”), the AIM market of the London Stock Exchange ("AIM") and in the form of American depositary shares (“ADSs”) on the Nasdaq Global Select Market (“Nasdaq”).  Each ADS represents ownership of five ordinary shares of the Company.  Additional information and specific enquiries concerning the ADSs should be directed to the ADS Depositary at the address given on this page.