Contract Signing of the Construction of the School Building

ST. 010/2007/0046 August 14th, 2007 Subject: Contract Signing of the Construction of the School Building at Prasarnmit Demonstration School Project Attention: The President The Stock Exchange of Thailand Sino-Thai Engineering & Construction Public Company Limited is pleased to inform the SET that on July 27th, 2007, the company has signed new contract, which has detail as follows: Project name : the Construction of the School Building at Prasarnmit Demonstration School, Srinakharinwirot University (Primary School) Project (Contract No. Kor. Khor. 44/2550 dated on July 27th, 2007) Project owner : Srinakharinwirot University Contract value: THB 247,490,000 (Include VAT) Scope of work: the construction of the 11 stories school building and related work. Construction period : 780 days (the project is scheduled to commence on the signing 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