SET Announcements

(Translation) No. CK-10-0000-LAW-L-0051 August 2, 2010 Re: Notification of Engagement Contract Signing Attn.: President The Stock Exchange of Thailand Reference is made to the fact that CKTC Joint Venture (CH. Karnchang Public Company Limited and Tokyu Construction Company Limited) has signed an engagement contract for the construction works of the manhole and underground electricity cable duct in cooperation with the construction works of the Mass Transit System Project (Purple Line) Bang Yai to Bang Sue Section, Contract 1, with The Metropolitan Electricity Authority. 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, of which its details are the followings: Signing Date: July 30, 2010 Total Contract Value: Baht 376,068,792.15 (Three Hundred Seventy Six Million Sixty Eight Thousand Seven Hundred Ninety Two Baht and Fifteen Satang) VAT included Duration: Approximately 1,080 days Hence, kindly please be informed accordingly. Very truly yours, - Signature - (Dr. Anukool Tuntimas) Executive Vice President Human Resource and General Administration