CLARIFY THE CAPITAL INJECTION TO BCP

1600 / 057 / 2002 May 20, 2002 The Stock Exchange of Thailand 62, Ratchadapisek Road, Klongtoey Bangkok 10110 Attention : President of The Stock Exchange of Thailand Subject : Clarify the Capital Injection to BCP Dear sir , According to the news appeared in Krungthep Turakij newspaper on May 20, 2002 concerning capital injection to BCP amounting to BHT. 6,000 million., which leads to BCP's decrease in debt to equity ratio leveling at 1.7 times. And this ratio will lower than the industry's which averages at 2.5 times. The Bangchak Petroleum Public Company Limited (BCP) would like to clarify that such capital injection option is a part of phase I preliminary study Re: Business Enhancement Study for Bangchak Petroleum providing consulting services by McKinsey & Company (Thailand) Co., Ltd.. Nevertheless, the McKinsey's phase II study shall provide details of capital injection option by July 2002. Then, the result of phase II study shall be proposed to the Ministry of Finance as to get approval for the final option from the Cabinets. Please be informed accordingly. Yours sincerely, (Mr. Narong Boonyasaquan) The President Corporate Planning Office Tel: 0-2335-4583