SET Announcements

IBID 0546/2006 April 17, 2006 CH.Karnchang Public Company Limited 587 Viriyathavorn Building, Sutthisarn Road, Dindaeng, Bangkok 10400, Thailand Subject Interest Payment Notification "Unsubordinated and Unsecured Debentures of CH. Karnchang Public Company Limited No. 1/2004 Series 3 Due 2009" Dear Sir, On behalf of Unsubordinated and Unsecured Debentures of CH. Karnchang Public Company Limited No. 1/2004 Series 3 Due 2009's Registrar, BankThai would like to inform the forth interest rate which will be paid on October 18,2006 as following. MLR Date Start Date of Interest Period MLR AVERAGE AVERAGE-0.75% BBL KTB KBANK SCB 11/04/2006 18/04/2006-17/10/2006 7.25 7.25 7.25 7.25 7.25 6.50 Sincerely, [............]