REPORT ON SCHEDULE OF REHABILITATION

Ref No: ST/1999/1126 20 December 1999 Subject : Report on Schedule of Rehabilitation To : The President The Securities Exchange of Thailand We are pleased to outline the possible timetable of our schedule on rehabilitation plan as described below. Sino-Thai Engineering Construction Public Company Limited has filed a Petition for Rehabilitation of our business to the Thai Court today and requested the Court to,appointment of the planner is expected to take place soon after the court accepts the petition. Please be informed accordingly . Your Faithfully, ( Mr. Teeraphong Wichiranon) Vice President Business Development Department