Halt Trading of MACO The Stock Exchange of Thailand (SET) has ordered the trading halt of MASTER AD Pcl. (the "Company") because there is unconfirmed news stated the Company's net profits of 2003 that might affect trading of its securities,but the SET has not yet been officially informed. Therefore, the SET has temporarily halted trading of the Company's securities,effective from morning trading session of Febuary 03,2004 until the Company has clarified or disclosed this material information to the SET.