SIGNED A CONTRACT

Our Ref : ST/2002/0068 February 11, 2002 Subject : Signed a contract Attention : The President The Stock Exchange of Thailand Sino-Thai Engineering & Construction Public Company Limited (STECON) is pleased to inform SET that on January 31, 2002 the Company signed a contract with Mitsubishi Kakoki Kaisha Ltd. to do Civil and Building work for AIT-2 Project. The details of the contract are as follows:- Contract Value : Baht 127 Million The period of work : 381 days Moreover, STECON is chose by Capital Cereal Co.,Ltd. to construct 12 concrete silos. The details of the work are as follows:- Contract Value : Baht 37.45 Million The period of work : 10 months Beginning date : February 21, 2002 Please be advised and disclose to investors and public. Yours sincerely ( Mr. Teeraphong Wichiranon ) Vice President Business Development Department