HALT BCP STOCK TRADING TEMPORARILY

1600 / 008 / 2003 January 16, 2003 The Stock Exchange of Thailand 62, Ratchadapisek Road, Klongtoey Bangkok 10110 Attention : President of The Stock Exchange of Thailand Subject : Halt BCP Stock trading temporarily Dear sir , According to that the State Enterprise Policy Committee has arranged the meeting on Thursday 16th January 2003 at 2.00 p.m. as to consider Re: Solution in the Bangchak Petroleum Public Company Limited (BCP)'s business operation problem, the resolution from the said meeting may have the conclusion in BCP's financial restructuring, which perhaps, has effects on the trading of the Company's shares in the market. Thus, the Company would like to request for the shares trading halt temporarily in the second trading session (afternoon) on Thursday 16th January 2003. Besides, upon the Company's receipt of the State Enterprise Policy Committee Meeting's resolution, the Company shall keep the Stock Exchange inform of the same in order to start trading the Company's shares in the first trading session (morning) on Friday 17th January 2003 We appreciate your assistance in this matter. Yours sincerely, (Mr. Chokchai Atsawarangsalit) Planning and Corporate Analysis Division Manager, Corporate Planning Office Corporate Planning Office Tel: 0-2335-4583