(Translation) 1600 / 070 / 1999 July 29, 1999 The Stock Exchange of Thailand 62, Ratchadapisek Road, Klongtoey Bangkok 10110 Attention : Vice President of the Listing Department Subject : Declaration of the Date of the Extraordinary Shareholders Meeting No.1/1999 and Time for Closing the Company Share Register For the Right to Attend the Extraordinary Shareholders Meeting. Dear sir, The Bangchak Petroleum Public Company Limited would like to declare that the Extraordinary Shareholders Meeting will be held on August 25, 1999 at 1.00 p.m., at the Meeting Room of Building 4, Bangchak Refinery, 210 Sukhumvit 64 Road, Phrakanong, Bangkok. The time for closing the Company share register for the right to attend the Extraordinary Shareholders Meeting will be on August 13, 1999 at 12.00 p.m. until the meeting will finish. Yours sincerely, (Mr. Rabil Pornpatkul) Senior Manager, Corporate Planning Office Corporate Planning Office Tel : 301-2842