Synagistics Limited — Net Asset Value 2003

May 14, 2003

CONCEPTA INVESTMENTS LIMITED

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CONCEPTA INVESTMENTS LIMITED 正奇投資有限公司 *

(incorporated in the Cayman Islands with limited liability)

As at 30th April, 2003, the unaudited net asset value per share of Concepta Investments Limited was approximately HK$0.46.

By Order of the Board Zhang Gaobo Executive Director

14th May 2003, Hong Kong

• for identification purposes only

Please also refer to the published version of this announcement in The Standard dated on 14-5-2003.

CONCEPTA INVESTMENTS LIMITED 14-5-2003 1