| 2007/02/14 |  | Circular (Major transaction: Disposal, deemed disposal and material dilution of equity interest in a major subsidiary) |
| 2006/05/03 | | Circular (Notice of the 2005 annual general meeting) |
| 2006/05/03 | | Reply Slip |
| 2005/08/02 | | Reply Slip |
| 2005/05/13 | | Circular (Notice of the 2004 annual general meeting) |
| 2005/05/13 | | Reply Slip |
| 2005/05/13 | | Circular (Continuing connected transactions) |
| 2004/11/15 | | Circular (Discloseable transaction: deemed dilution of shareholding interest in Wanglaoji Pharmaceutical Company Limited) |
| 2004/09/22 | | Circular (Notice convening the second extraordinary general meeting for the year 2004) |
| 2004/09/21 | | Reply slip for attending the 2004 Second Extraordinary General Meeting |
