SET Announcements

(Translation) No. CK-06-0000-PO-L-0286 June 20, 2006 Re: Notification of the Payment Receipt for Ordinary Shares in Thai Tap Water Supply Co.,Ltd. Attn.: The President of the Stock Exchange of Thailand Reference is made to the fact that CH. Karnchang Public Company Limited informed the Stock Exchange of Thailand on February 28, 2006, the Company agreed to sell ordinary shares in Thai Tap Water Supply Co., Ltd. to Bangkok Expressway Public Company Limited, in the amount of 1,676,150 shares, at the price of Baht 320 per share, totaling Baht 536,368,000. At present, the Company would like to inform that the Company and Bangkok Expressway Public Company Limited have agreed to purchase and sell such shares under the Share Purchase Agreement, and the payment for such shares has been made in full. Thai Tap Water Supply Co., Ltd. has already registered to change the list of shareholders with the Department of Business Development, Ministry of Commerce, so as to include Bangkok Expressway Public Company Limited as a shareholder in Thai Tap Water Supply Co.,Ltd. Please be informed accordingly. Very truly yours, -signature- (Mr. Anukool Tuntimas) Executive Vice President Human Resource and General Administration ?? ?? ?? ??