Submission of MD&A Quarter 1/2010

- TRANSLATION - 1000/082/2010 May 10, 2010 Subject : Management's Discussion and Analysis for Business Operations for the three-month period ended March 31, 2010 Attention : President of The Stock Exchange of Thailand The Bangchak Petroleum Public Co., Ltd. ("the Company") is pleased to submit Management's Discussion and Analysis for Business Operations for the three-month period ended March 31, 2010 so as to enable investors to better understand in the Company's financial status and business operations-apart from the sole financial data in financial statements, as well as to enable investors to adequately access information for decision in a security investment, which is in compliance with the adequate information disclosure in the good corporate governance program. Please be informed accordingly. Yours sincerely, - Signed - (Mr. Anusorn Sangnimnuan) President Investor Relations Section Tel : 0-2335-4583 Fax : 0-2140-8901