ตำแหน่งคณะกรรมการตรวจสอบ

June 23, 1999 Subject :Position of the Audit Committee To :Directors and Manager of the Stock Exchange of Thailand Whereas the Board of Directors Meeting No. 2/1999 of Sino-Thai Engineering & Construction Public Company Limited was held on June 23, 1999 during 15.00 - 17.00 hours. The Board has approved and acknowledged the position of the Company 's Audit Committee as follows: 1.Mr. Chamni JanchaiChairman of the Audit Committee 2.Police Major General Jate MongkolhutthiMember of the Audit Committee 3.Dr. Chaiyaphon HorrungruangMember of the Audit Committee The Board approved that Mr. Woraphant Chontong, Senior Vice President Finance & Accounting Functional Director be appointed as the secretary to the Audit Committee. Please be advised and disclose the said matters to the public and investors accordingly. Sincerely yours, Sino-Thai Engineering & Construction Public Co., Ltd. Mr.Woraphant Chontong SVP.Financial & Accounting Func.Director