The resignation of the Company's Director

-TRANSLATION- No. 1000/166/2009 September 29, 2009 Subject : The resignation of the Company's Director Attention : President of The Stock Exchange of Thailand The Bangchak Petroleum Public Company Limited (the "Company") would like to announce that Mr. Surong Bulakul, the Company's director, resigned from the board of directors, which is effective from September 28, 2009. Consequently, the board of directors will proceed with the selection of a new member. Please be informed accordingly. Yours sincerely, -signed- (Mr.Anusorn Sangnimnuan) President Office of the Secretary to Board of Directors Tel : 0-2335-4584 Fax : 0-2713-9419