Synagistics Limited — Net Asset Value 2005

May 11, 2005

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CONCEPTA INVESTMENTS LIMITED 正奇投資有限公司[*]

(incorporated in the Cayman Islands with limited liability)

(Stock Code: 1140)

As at 30 April, 2005, the unaudited Net Asset Value per share of Concepta Investments Limited was approximately HK$0.44.

As at the date of this announcement, the Board comprises of executive directors, Mr. Zhang Zhi Ping, Mr. Zhang Gaobo, non-executive director, Mr. Liu Hongru and independent non-executive directors Mr. Kwong Che Keung, Gordon, Prof. He Jia. and Mr. Wang Xiaojun.

By Order of the Board Zhang Gaobo Executive Director

12 May, 2005, Hong Kong

• for identification purposes only

Please also refer to the published version of this announcement in The Standard on 12-05-2005.