SET Announcements

Ref: CK-05-0000-PO-L-0001 4 January 2005 Subject Signing a Construction Contract Attention President The Stock Exchange of Thailand Since CH.Karnchang Public Company Limited has signed the Construction Contract for ADDITIONAL LLK JET A-1 TANK PROJECT with Thai Petroleum Pipeline Company Limited. This transaction is a normal and in ordinary course of our business. The detail of the contract is as follows: Contract Date: 27 December 2004 The Value of Contract: Baht 316,182,337.- (Three Hundred Sixteen Million One Hundred Eighty Two Thousand Three Hundred Thirty Seven Baht) not included VAT Period: 10 months (approximately) For your information. Sincerely yours, (Mr. Anukool Tuntimas) Executive Vice President Human Resource and General Administration