| UBS ASSET MANAGEMENT (HONG KONG) LIMITED | - | 2002-04-08 |
| UBS WARBURG INVESTMENTS ASIA LIMITED | - | 2001-03-14 |
| WARBURG INVESTMENTS (ASIA) LIMITED | - | 2000-05-02 |
| SBC WARBURG INVESTMENTS ASIA LIMITED | - | 1998-06-29 |
| SBC INVESTMENTS ASIA LIMITED | - | 1995-09-01 |
| SBCI INVESTMENTS ASIA LIMITED | - | 1995-01-03 |
| UBS GLOBAL ASSET MANAGEMENT (HONG KONG) LIMITED | - | 2015-10-30 |
| UBS WARBURG INVESTMENTS ASIA LIMITED | - | 2001-03-13 |
| WARBURG INVESTMENTS (ASIA) LIMTIED | - | 2000-05-01 |
| SBC WARBURG INVESTMENTS ASIA LIMTIED | - | 1998-06-28 |
| SBC INVESTMENTS ASIA LIMITED | - | 1995-08-31 |