SET Announcements

= Translation = Ref: CK-09-0000-LAW-L-0086 December 8, 2009 Subject Notification of the Contract Signing Attention President The Stock Exchange of Thailand Reference is made to the fact that CH. Karnchang Public Company Limited has been granted the Contract to the Maintenance of the Second Stage Expressway System: Periodic 2 Phase III with Bangkok Expressway Public Company Limited. As such agreement is a normal business in conformity with the ordinary business conditions whereby the Company enters into an agreement with the other companies as its details are the followings: Signing Date December 4, 2009 Total Project cost Baht 79,699,290 (Seventy Nine Million Six Hundred Ninety Nine Thousand Two Hundred Ninety Baht) (VAT excluded) Completion period Approximately 12 months Hence, kindly please be informed accordingly. Sincerely yours, = Signature = (Dr. Anukool Tuntimas) Director and Executive Vice President Human Resource and General Administration