Appointment of Senior Executive Vice President (CFO)

1600 / 176 / 2003 October 1, 2003 The Stock Exchange of Thailand 62, Ratchadapisek Road, Klongtoey Bangkok 10110 Subject : Appointment of Senior Executive Vice President (Chief Financial Officer) Attention : President of The Stock Exchange of Thailand The Bangchak Petroleum Public Company Limited (BCP) would like to inform that the Company has appointed Mr. Patiparn Sukorndhaman to be Senior Executive Vice President, who is responsible for Finance and Accounting Department, with the effective date from October 1, 2003 onwards. Mr. Patiparn Sukorndhaman has experiences in financial management of energy business. His latest positions were a Chief Financial Officer of Banpu Power Co. Ltd., and Director of Banpu Plc's group companies, such as Banpu Power Co. Ltd., Banpu Gas Power Co. Ltd., Banpu Coal Power Co. Ltd., Banpu Power International Co. Ltd., and Tri Energy Co. Ltd., etc. Please be informed accordingly. Yours sincerely, (Watcharapong Saisuk) Assistant Vice President, Corporate Planning Office Corporate Planning Office Tel: 0-2335-4583