SET Announcements

Ref: CK-04-0000-AFS-L-0180 May 17th, 2004 Attention : President The Stock Exchange of Thailand Subject : Declaration of Operating Result of the three-month Ended March 31, 2004 Compared with the three-month Ended March 31, 2003 CH.Karnchang Public Company Limited, Subsidiaries and joint ventures have the operation result of the three-month period, as of March 31, 2004 reached the profit increased to 603.9 % compared with the same fiscal year of 2003 due to the following factors : 1. The company has increased income from the construction work in the First Quarter of the year 2004 when compared with the same quarter of last year. Since the new projects in the second of the Quarter of 2003 had been started quite a while, including that the previous projects are nearly ended. 2. In the first Quarter of this year, the company has the profit from the exchange rate, whereas the company got loss from the exchange rate in the same fiscal year of 2003. For your consideration. Sincerely yours, (Mr.Plew Trivisvavet) (Mr.Narong Sangsuriya) Directors