| Organisation | Role | Activity | From | Until |
|---|---|---|---|---|
| Amherst Pierpont International Limited | RO | Advising on securities | 2009-06-17 | 2022-12-31 |
| RO | Dealing in securities | 2009-06-17 | 2022-12-31 | |
| LEHMAN BROTHERS ASIA LIMITED | Rep | Dealing in securities | 2005-10-03 | 2008-03-14 |
| NOMURA INTERNATIONAL (HONG KONG) LIMITED | Rep | Dealing in securities | 2004-10-19 | 2005-09-12 |