Signing contracts

ST. 010/2010/0035 June 7th, 2010 Subject: Signing contracts Attention: The President The Stock Exchange of Thailand Sino-Thai Engineering & Construction Public Company Limited is pleased to inform the SET that the company has signed 3 new contracts. The details of the projects are as follows: Project 1 Project name: Off Site Pre-Assembly and Dressing Mechanical Work for Sriracha Clean Fuel Project (Contract signed on April 30th, 2010) Project owner: Esso (Thailand) PCL. The Employer: Foster Wheeler Co., Ltd. Contract value: THB 262,704,157.53 (Include VAT) Scope of work: Pre-Assembly and Dressing Mechanical Work Construction period: 30 April 2010 - 31 January 2011 Project 2 Project name: Civil Work-2 for Sriracha Clean Fuel Project (Contract signed on May 24th, 2010) Project owner: Esso (Thailand) PCL. The Employer: Foster Wheeler Co., Ltd. Contract value: THB 147,072,060.68 (Include VAT) Scope of work: Civil Work Construction period: 24 May 2010 - 31 December 2010 Project 3 Project name: Machine Erection, Green Mill Project (Contract no. GREEN MILL 006) (Contract signed on June 1st, 2010) Project owner and The Employer: BRP Steel Co., Ltd. Contract value: THB 80,250,000.- (Include VAT) Scope of work: Machine Erection Construction period: 300 Days It is therefore informed for your acknowledgement and dissemination to the public and other investors. Yours sincerely, Mr. Woraphant Chontong SEVP. Financial and Administration Division Company Secretary Office Telephone: 0 2610 4900 ext. 212, 274 Facsimile: 0 2259 4427