SIGNED A CONTRACT

Our Ref ST 2001 0353 September 27 2001 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 September 26 2001 the Company signed a contract with the Royal Irrigation Department to proceed the Pa Sak River Basin Royal Development Project, a project to construct pumping station and associate building, located in the Pattananikom District of Lopburi Province The details of the contract are as follows Construction of irrigated canal and pumping station for Pa Sak Jolasid Dam Install 6 pumps to pump water to 2 steel irrigation pipes diameter 1.80 meters which transmit water into 2 wells Contract Value Baht 516.66 Million including VAT The period of work 720 days Please be advised and disclose to investors and public Yours sincerely Mr Teeraphong Wichiranon Vice President Business Development Department