ข่าวแจ้งตลาดหลักทรัพย์

(Translation) No. CK-06-0000-PO-L-0096 March 27, 2006 Re: Notification of Disposition of Ordinary Shares in Thai Tap Water Supply Co., Ltd. (Subsidiary) 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 that on February 28, 2006, the Company signed the Share Purchase Agreement and the Shareholder's Agreement with Mitsui Water Holdings (Thailand) Ltd., a subsidiary of Mitsui & Co., Ltd., for sale of 11,375,000 ordinary shares or representing 35 percent of all issued shares in Thai Tap Water Supply Co., Ltd. to Mitsui Water Holdings (Thailand) Ltd., at the price of Baht 320 per share, totaling Baht 3,640,000,000. At present, the Company would like to inform that on March 24, 2006, the Company and Mitsui Water Holdings (Thailand) Ltd. have agreed to purchase and sell such shares under the aforesaid Share Purchase Agreement, and payment for such shares has been made in full. On this same date, Thai Tap Water Supply Co., Ltd. has already registered change of the list of shareholders with the Department of Business Development, Ministry of Commerce, so as to include Mitsui Water Holdings (Thailand) Ltd. as a shareholder in Thai Tap Water Supply (Thailand) Co., Ltd. Please be informed accordingly. Very truly yours, - Signature - (Mr. Anukool Tantimas) Executive Vice President Human Resource and General Administration ?? ?? ?? ?? (Translation) 2