Reviewed F/S and Business Operations's Explanation Q3/2004

1000 / 276 / 2004 November 15, 2004 The Stock Exchange of Thailand 62, Ratchadapisek Road, Klongtoey Bangkok 10110 Attention : President of The Stock Exchange of Thailand Subject : Filing Reviewed Financial Statement and Business Operations' Explanation for Quarter 3, 2004 Attachment : 1. Reviewed Financial Statements for Quarter 3 (Thai 1 Copy) 2. Reviewed Financial Statements for Quarter 3 (English 1 Copy) According to the SET's Regulation Re: Preparation and Submission of Financial Statements, Financial Reports and Operating Results of Listed Companies, 2001, a listed company shall prepare and submit quarterly financial statements reviewed by the Auditor within 45 days since the last day of each quarter. The Bangchak Petroleum Public Company Limited (BCP) would like to file reviewed financial statements by the Auditor for quarter 3 ending September 30, 2004, which is no significant change from the unreviewed financial statement. Therefore, the investors can find the Company's business operation explanation for quarter 3, 2004 from the explanation that the Company submitted to SET on November 1, 2004. Please be informed accordingly. Yours sincerely, (Patiparn Sukorndhaman) Senior Executive Vice President Accounting and Finance Corporate Planning and Investor Relation Office Tel : 0-2335-4583