| 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 |
| 2004/09/16 |  | Circular (Connected TransactionSubscription of New Shares in a Non Wholly-Owned Subsidiary) |