Reviewed Quarter 1 and Consolidated F/S (F45-3)

(Reviewed Quarter-1 and Consolidated F/S (F45-3)) Report: Reviewed Quarterly Financial Statements Name SINO-THAI ENGINEERING AND CONSTRUCTION PUBLIC CO.,LTD. Reviewed (In thousands) Ending 31 March The Consolidated Financial Statement Quarter 1 Year 2010 2009 Net profit (loss) 81,729 47,717 EPS (baht) 0.07 0.04 The Company Financial Statement Quarter 1 Year 2010 2009 Net profit (loss) 91,493 36,199 EPS (baht) 0.08 0.03 Type of report: Unqualified Opinion Comment: Please see details in financial statements, auditor's report and remarks from SET SMART "The company hereby certifies that the information above is correct and complete. In addition, the company has already reported and disseminated its financial statements in full via the SET Electronic Listed Company Information Disclosure (ELCID), and has also submitted the original report to the Securities and Exchange Commission." Signature ___________________________ ( Mr.Woraphant Chontong ) Position Director Authorized to sign on behalf of the company