| Organisation | Role | Activity | From | Until |
|---|---|---|---|---|
| Merrill Lynch (Asia Pacific) Limited | Rep | Providing automated trading services | 2008-04-21 | 2008-11-26 |
| MERRILL LYNCH FUTURES (HONG KONG) LIMITED | Rep | Dealing in futures contracts | 2007-06-07 | 2008-11-26 |
| Merrill Lynch (Asia Pacific) Limited | Rep | Dealing in securities | 2007-05-14 | 2008-11-26 |
| Credit Suisse (Hong Kong) Limited | Rep | Dealing in securities | 2005-08-31 | 2007-03-13 |