Signing Contract of Kaeng Khoi 2 Power Plant

ST 010/2005/0087 November 17th, 2005 Subject: Report on signing the contract of the construction of Kaeng Khoi 2 Power Plant (Mechanical and Erection Works) Project Attention:The President The Stock Exchange of Thailand Sino-Thai Engineering & Construction Public Company Limited is pleased to inform the SET that on 15th November 2005, the company has signed contract as follow: Project name :The construction of Kaeng Khoi 2 Power Plant Project - Mechanical and Erection Works Project owner :Alstom Power (Thailand) Ltd. Total contract value :369,096,500 Baht (Include VAT) Approximately Construction period :480 days Scope of work :Mechanical and Erection works It is therefore informed for your acknowledgement and dissemination to the public and other investors. Yours sincerely Mr. Woraphant Chontong SEVP. Financial & Administration Division