Signing contract 455 Million Baht

ST. 010/2009/0045 October 1st, 2009 Subject: Signing contract 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 a new contract. The details of the project are as follows: Project name: The Construction of the Commander Building of Royal Thai Navy and car park building including utilities system. (Contract signed on September 25th, 2009) Project owner: Naval Public Works Department Contract value: THB 455,000,000.- (Include VAT) Scope of work: The construction of the Commander Building of Royal Thai Navy, car park building, public utilities system installation and other related works. Construction period: 720 days (Started from the day after the contract date) 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, 305, 274 Facsimile: 0 2259 4427