SIGNED CONTRACTS

Our Ref : ST/2002/0377 August 19, 2002 Subject: Signed contracts Attention: The President The Stock Exchange of Thailand Sino-Thai Engineering & Construction Public Company Limited (STECON) is pleased to inform the SET that during the 1st - 15th August 2002, STECON signed 2 contracts with total contract value of 1,162 Million Baht. The details of the contracts are as follows: 1) Construction of Hulhumale Stage I Building Works - Project Owner: Hulhumale Development Unit, Republic of Maldives - Signing Date : 15 August 2002 - Contract Value : Baht 560,000,000 (13,324,596.29 US Dollars) 2) Construction of Industrial Ring Road under the name of TNNS Joint Venture which comprise of Taisei Corporation, Nishimatsu Construction Co.,Ltd., NKK Corporation and Sino - Thai Engineering & Construction Public Company (Limited) - Project Owner : Public Work Department, Metropolitan Electricity Authority, Metropolitan Waterworks Authority and Telephone Organization of Thailand - Signing Date : 6 August 2002 - Contract Value : Baht 5,907,692,254.02 STECON's portion is Baht 644,785,265.64 (VAT included) Please be advised and disclose to investors and public. Yours sincerely ( Ms. Ayuporn Wongkomet) Assistant Vice President - Executive Office