SET Announcements

Ref: CK-08-0000-PO-L-0064 August 4, 2008 Subject Signing a Construction Contract Attention President The Stock Exchange of Thailand Reference is made to the fact that CH. Karnchang Public Company Limited has signed the Construction Contract for the Education Centre and Environment Preservation Construction Project, Bangkok Metropolitan, First Contract: Bang-Sue Education Centre Construction and Environment Preservation Work, Bangkok Metropolitan and Waste Water Treatment System, with Bangkok Metropolitan. This transaction is a normal and in ordinary course of our business. The detail of the contract is as follows: Contract Date: 30 July 2008 The Value of Contract: Baht 2,546,000,000.- (Two Thousand Five Hundred Forty Six Million Baht Only) Including VAT Period: 720 days (approximately) For your information accordingly. Sincerely yours, =Signature= (Dr. Anukool Tuntimas) Executive Vice President Human Resource and General Administration