ข่าวแจ้งตลาดหลักทรัพย์

1000/ 218 /2009 December 29, 2009 Subject : Announcement of the Head Office Relocation Attention : President of the Stock Exchange of Thailand Attachment : The location map of the new head office The Bangchak Petroleum Public Company Limited (the "Company") would like to announce that the Company will relocate its head office from 210 Moo 1 Soi Sukhumvit 64, Sukhumvit Rd.,Bangchak, Phrakanong, Bangkok 10260, Thailand to the following location : The Bangchak Petroleum Public Company Limited 555/1 Energy Complex Building A, Floor 10th Vibhavadi Rangsit Rd., Chatuchak, Bangkok 10900, Thailand Tel. 0-2140-8999 Fax. 0-2140-8900 www.bangchak.co.th The relocation will be effective on January 4, 2010. We have enclosed a map of the new head office herein. Please be informed accordingly. Your Sincerely, -signed- (Mr. Anusorn Sangnimnuan) President Office of the Secretary to the Board of Directors Tel : 0-2335-4584 Fax : 0-2713-9419