SET Announcements

Ref: CK-00-0000-AFD-L-605 May 15, 2000 Attention : President The Stock Exchange of Thailand Subject : Declaration of the operating result of the first-month ended March 31, 2000, compared with the first-month period ended March 31, 1999 The operating result of CH.Karnchang Public Company Limited, Subsidiaries and Joint Venture for the three-month period ended March 31, 2000 presented decreased profit approximately 97%, compared with the previous period due to the following factor follow. Subject to the company big project was completed in 1999 such as Route Chaeng Watthana - Bang Phun & Bang Sai which effected to decrease the company revenue. For your consideration. Sincerely yours, (Mr.Plew Trivisvavet) (Mr.Narong Sangsuriya) Directors