Publication on the letter of invitation to the 2010 AGM

-TRANSLATION- 1000/047/2010 March 5, 2010 Subject : Publication on the letter of invitation to the 2010 Annual General Meeting of shareholders Attention : President of the Stock Exchange of Thailand With reference to the 2010 Annual General Meeting of shareholders of The Bangchak Petroleum Public Company Limited to be held on Thursday April 8, 2010 at 13.30 hours at the main conference room of the Bangchak Refinery, 210 Sukhumvit 64, Phrakanong, Bangkok, 10260, to consider the agendas has informed. In distribution of information to assist shareholders to consider the agendas, the Company has made available on the website http://www.bangchak.co.th, the text of the letter of invitation to the 2010 Annual General Meeting of shareholders together with all attachments, from March 5, 2010 onward. For any questions concerning the proposed agendas, the Company welcomes opportunity to clarify these matters in the Meeting. Please forward your questions in advance to ir@bangchak.co.th or to facsimile number 0-2140-8902. Please be informed accordingly. Yours sincerely, -signed- (Mr. Anusorn Sangnimnuan) President Office of the Secretary to the Board of Directors Tel : 0-2335-4584 Fax : 0-2140-8902