SET Announcements

- TRANSLATION - 1000/138/2009 August 25, 2009 Subject: The expiration of the ESOP Warrant of the Bangchak Petroleum Public Company Limited offered to purchase the Company's new ordinary shares to directors, executives and Company employees on August 24, 2009 Attention: President of The Stock Exchange of Thailand The Bangchak Petroleum Public Company Limited ("the Company") issued and offered warrant to purchase the Company's new ordinary shares to directors, executives, Company employees, Bangchak Green Net Co., Ltd. and the ESOP Plan Administrator (ESOP Warrant) on August 25, 2004, has been exercised within a 5-year term, since the date of issuance, amounting to 24,000,000 units. The Company would like to inform that the ESOP Warrant has expired as of August 24, 2009. During which time, no warrant holder has exercised the right to purchase the Company's new ordinary shares according to the terms of the warrant. Therefore, as of August 24, 2009, 24,000,000 ESOP warrant units expired in its entirety. 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