SELLING THE BCP'S STAKE IN RELATED COMPANY

(Translation) 1600 / 029 / 2542 April 5, 1999 The Stock Exchange of Thailand 62, Ratchadapisek Road, Klongtoey Bangkok 10110 Attention : President of The Stock Exchange of Thailand Subject : Selling the BCPs stake in related company. The Bangchak Petroleum Public Company Limited has announced the Companys selling of its entire holding of 14,693 shares in the Mongkol Chaipattana Co., Ltd. to the His Majesty Private Property at the book value as of end 1998 (120 Baht per share). Thus, the Company would no longer hold any share in the Mongkol Chaipattana Co., Ltd. Please be informed accordingly. Yours sincerely, Rabil Pornpatkul Senior Manager, Corporate Planning Office Corporate Planning Office Tel: 301-2842