13 May 2002

APPROVAL OF THE COMPANY'S MANAGEMENT STRUCTURE

Our Ref. ST/2002/0235 10th May, 2002 Subject : Approval of The Company's Management Structure. To : Director and President of The Stock Exchange of Thailand Whereas the Board of Directors of Sino-Thai Engineering & Construction Public Company Limited convened the Board of Directors Meeting No.3/2002 during 14.00 hours to 14.45 hours on May 10, 2002. The Company would like to report the resolutions adopted at the said meeting as follows: The Board of Directors has resolved to approve the Management Structure, details of which appear in Public Offering Form (Form 69-1).It was further approved that a Managing Director be appointed and authorized to manage, operate and control the Company's business operation. For any transactions that require approval from the Board of Directors or Shareholders Meeting pursuant to Law or Regulations governing the business affairs of the Company, the Managing Director shall comply the said Law and Regulations. Furthermore, the Managing Director is hereby authorized to delegate his power to other persons as deemed appropriate. The Managing Director or his representative is prohibited from conducting any transactions, which they may have a conflict of interest with the Company or a subsidiary. It is therefore informed for your acknowledgment and dissemination to the public and other investors. Yours sincerely, Sino-Thai Engineering and Construction Pcl. Director (Mr. Woraphant Chontong ) G20-L-0001