THE RESIGNATION OF DIRECTOR

Our Ref: ST/2001/0250 June 27, 2001 Subject : The Resignation of Director Attention : The President The Stock Exchange of Thailand The Board of Directors Meeting No. 3/ 2001 of Sino-Thai Engineering & Construction Public Company Limited, held on June 26, 2001, has acknowledged that Mr. Dol Watanasri the Company's director, is to resign his position effective from July 13, 2001. In this regard, we are processing the registration of the change in director at Commercial Registration Department, Ministry of Commerce. Yours sincerely, (Mr. Anutin Charnvirakul) President