SET Announcements

-Translation- 1000/164/2007 October 1, 2007 The Stock Exchange of Thailand 62, Ratchadapisek Road, Klongtoey Bangkok 10110 Subject : Result of Exercise Warrants to BCP Ordinary shares (BCP-W1) (October 1, 2007) Attention : President of The Stock Exchange of Thailand According to The Term of Title on The Rights and Duties of Warrants of The Bangchak Petroleum Public Company Limited No. 1/2006, and Terms of Title on The Rights and Duties of Warrant Issuer and Warrant holders, have the right to exercise the warrants (BCP-W1) to ordinary shares (BCP). Warrant holders can exercise the right at the end of March, June, September, and December every year. The Sixth exercise date was on October 1, 2007. There was 1 warrant holder, foreign juristic person, converted 20,000 warrants to 20,000 ordinary shares. (The exercise price was Baht 18.00) After such conversion, there were 69,032,486 warrants and the company's paid up capital will be increased from Baht 1,119,111,351 to 1,119,131,351. Please be informed accordingly. Yours sincerely, -signed- (Patiparn Sukorndhaman) Senior Executive Vice President Accounting and Finance Office of the Secretary to Board of Directors Tel: 0-2335-4584