SET Announcements

= Translation = Ref: CK-07-0000-PO-L-0196 August 30, 2007 Subject Signing the Contract Attention President The Stock Exchange of Thailand Reference is made to the fact that CH. Karnchang Public Company Limited has been granted for the Traffic Resurface and Repair Structure of the Second Stage Expressway:Section II, Phase I Contract with Bangkok Expressway Public Company Limited. As such agreement is a normal business in conformity with the ordinary business conditions whereby the Company had ever entered into an agreement with the other companies as its details are the followings: Signing Date August 29, 2007 All cost of agreement Baht 127,620,707.78 (VAT excluded) (One Hundred Twenty Seven Million Six Hundred Twenty Thousand Seven Hundred Seven Baht Seventy Eight Satang) Completion period approximately 12 months For your information. Sincerely yours, = Signature = (Dr. Anukool Tuntimas) Executive Vice President Human Resource and General Administration