Announcement of BCP's Additional Holidays

1600 / 180 / 2003 October 8, 2003 The Stock Exchange of Thailand 62, Ratchadapisek Road, Klongtoey Bangkok 10110 Subject : Announcement of Additional Holiday of The Bangchak Petroleum Public Company Limited Attention : President of The Stock Exchange of Thailand According to the Company's announcement of the special holiday on Friday 17th October 2003 as the APEC Summit. The Company would like to inform that Monday 20th and Tuesday 21st October 2003 will be the additional holidays for the Company's Head office, Refinery, and Phrapradaeng Lubricant Distribution Center at Samutprakarn. Please be informed accordingly. Yours sincerely, (Watcharapong Saisuk) Assistant Vice President, Corporate Planning Office Corporate Planning Office Tel: 0-2335-4583