SIGNED A CONTRACT

Our Ref : ST/2002/0076 February 15, 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 the Company signed a contract with AsPac Oil (Thailand) Ltd. on January 2, 2002 to extend Samut Sakhon Industrial Estate Plant. The details of the contract are as follows:- Contract Value : Baht 73,000,000.00 Time for completion of works : June 30, 2002 Moreover, STECON signed a contract with The Metropolitan Waterworks Authority on January 25, 2002 to construct Bang Khen Transmission Pumping Station No.3, Surge Tower No.3 and related works. The details of the contract are as follows:- Contract Value : Baht 492,381,238.00 The period of work : 850 days Please be advised and disclose to investors and public. Yours sincerely ( Mr. Teeraphong Wichiranon ) Vice President Business Development Department