THE CHANGE IN COMPANY'S DIRECTORS

Our Ref. ST/2002/0172 April 9, 2002 Subject: The Change in Company's directors Attention: The President The Stock Exchange of Thailand Sino-Thai Engineering & Construction Public Company Limited regrets to inform the SET that Thanpuying Niramol Suriyasat, our independent director, has died since April 5, 2002. In this regard, we are processing the registration of the change in director at Commercial Registration Department, Ministry of Commerce. The Company provides this information for clarification to the Stock Exchange of Thailand and for dissemination to all market investors. Sincerely yours, (Mr. Woraphant Chontong) Senior Vice President Finance & Account