SET Announcements

-Translation- Ref : CK-06-0000-PO-L-0424 December 7, 2006 Subject : The date for exercising warrant ( CK-W1) # 11 Attn : Director and Manager The Stock Exchange of Thailand We would like to inform the information of the exercise of CK-W1 # 11 as follows: 1. The notification period of the exercise of CK-W1 is during December 22 , 25 - 28 , 2006 at 9.00 a.m. - 4.00 p.m. 2. The exercise date will be on December 29, 2006 3. Exercise ratio : 1 warrant for 1 common share Exercise price : Baht 4.50 per share 4. Documents to be submitted : 4.1 Letter of intent to exercise the warrant (the letter of intent can be picked up at the company office or download form at : http://www.ch-karnchang.co.th/download/ Subscription_form.pdf). 4.2 Warrant Certificate or the SET Substitution Form (in case of warrant certificate is lost) with the same number indicated in exercise notice form. 4.3 Pay the amount by check, cashier check or draft which can be cashed in Bangkok within 2 business days after exercise date. Make check payable to "CH.Karnchang Public Company Limited for subscription" 4.4 For Natural Person : Copy of Identification Card / Copy of Passport which has been certified. For Juristic Person : Copy of Company Certificate 5. Contact Place : CH. Karnchang Public Company Limited 587 Viriyathavorn Building 4th Floor, Sutthisarn Rd., Dindaeng, Dindaeng, Bangkok 10400 Tel. 0-2275-0026, 0-2277-0460 ext. 3862, 3864 Fax. 0-2275-7029 6. Other Conditions 6.1 The number of the certificates to be exercised shall be in the prime number and to buy at least 100 ordinary shares (or to buy the entire amount left in case such an amount would be less than 100 shares). The exercise ratio is 1 warrant to 1 share of the Company unless it may be adjusted according to the adjustment of exercise price and exercise ratio under clause 1.5 of the prospectus. 6.2 Where the Company does not obtain the rights warrant certificates or the replacement of rights warrant certificates in full as specified in the exercise notice and/or the Company finds that the exercise notice has been inaccurately or incompletely filled in by the holder of those certificates and/or has inadequate stamps and duties as required by relevant laws and regulations, the certificate holder shall rectify the found error. If the certificate holder fail to correct within the specified period, the Company shall deem that the notification of intention to exercise expire without any exercise and shall return the previously received payment with no interest reimbursement and the certificates to the holder by registered mail within 14 days from the day succeeding the exercise date. 6.3 When the certificate holder who wishes to exercise his/her rights has fully complied with all conditions governing the notification of intention to exercise - i.e. the certificate holder has delivered the rights warrant certificates or the replacement of rights warrant certificates and the exercise notice and payment in full, the exercise cannot be withdrawn except with the written consent of the company. 6.4 When the last exercise date expires but the certificate holder has not completely complied with all conditions governing the exercise, the warrant certificates and the replacement of warrant certificates shall be deemed to expire without exercise and the certificate holder cannot exercise his/her rights again. 6.5 Please find other necessary conditions, in the prospectus, Part 3 clause 1.4 Please be acknowledge for your information. Yours sincerely, = signature = (Mr. Plew Trivisvavet) Managing Director