AMENDMENT OF THE PAR VALUE AND MEMORANDUM OF ASSOCIATION

Our Ref: ST/2002/0356 5th August 2002 Subject : Report on the amendment of the Par Value of Shares and the amendment of Clause 4 of Memorandum of Association To: Directors and Manager of the Stock Exchange of Thailand Whereas the Extraordinary Meeting of Shareholders No. 2/2002 of Sino-Thai Engineering & Construction Public Company Limited ("the Company"), had resolved to adopt and approve the amendment of the Company's Par Value of Shares from Baht 10 (ten) to Baht 1 (one) and the amendment of the Company's Clause 4 of Memorandum of Associations as follows: The Registered Capital 1,020,000,000 Baht (One Thousand and Twenty Million Baht) Divided into 1,020,000,000 Shares (One Thousand and Twenty Million Shares) Par Value per share 1 Baht (One Baht) Ordinary Shares 980,000,000 Shares (Nine Hundred and Eighty Million Shares) Preferred Shares 40,000,000 Shares (Forty Million Shares) The Company would like to inform you that the Registrar of the Public Company Limited, the Commercial Registration Department, Ministry of Commerce approved the registration of the amendment on the above subject on August 2, 2002. We therefore, inform you of the above for your acknowledgment and dissemination to the public and other investors. Yours sincerely, Sino-Thai Engineering & Construction Pcl. (Ms. Ayuporn Wongkomet) Executive Office Manager Investor Relation IR@stecon.co.th