SET Announcements

1000/001/2005 January 4, 2005 The Stock Exchange of Thailand 62, Ratchadapisek Road, Klongtoey Bangkok 10110 Subject : Result of Converting Depository Receipts to BCP Ordinary shares No.3 Attention: President of The Stock Exchange of Thailand According to The Term of Title on The Rights and Duties of Depository Receipts in The Benefits of The Convertible Debentures of The Bangchak Petroleum Public Company Limited, issued by Siam DR Co.,Ltd., No. 1/2004, and Terms of Title on The Rights and Duties of Debenture Issuer and Subordinated convertible debenture holders of The Bangchak Petroleum Public Company Limited No.1/2004 with maturity date of year 2014, Depository Receipts holders have the right to redeem the depository receipts (BCP141A) to convertible debentures (BCP@A) and then to ordinary shares (BCP). Depository Receipts holders can convert the depository receipts on the 30th of March,June,September,and December every year. (Depository Receipts have been listed at Thai Bond Dealing Center.) The Third redemption was on December 30, 2004.There was no depository receipt holder exercised their options.Therefore, there were 261,095 existing depository receipts and the company had remained the paid up capital of Baht 660,559,535. Please be informed accordingly. Yours sincerely, (Patiparn Sukorndhaman) Senior Executive Vice President Accounting and Finance Corporate Planning and Investor Relation Office Tel: 0-2335-4584