The closing price of BCP-DR1 is higher than 20.80 Baht per unit on 11 working day.

According to the conditions for forced conversion of BCP-DR1 into ordinary shares of BCP, The Bangchak Petroleum Public Company Limited shall notify the closing price of BCP-DR1 is higher than the point of forced conversion (20.80 Baht per 1 unit) to the BCP-DR1 Holders via the system of The Stock Exchange of Thailand and shall notify such occurrence continuously on each subsequent working day until a consecutive period of 15 working days. Enclosed herewith are the closing price of BCP-DR1. The closing price of BCP-DR1 Working day Date Closing Price of BCP-DR1 (Baht) 1 19 May 2011 21.20 2 20 May 2011 21.30 3 23 May 2011 21.50 4 24 May 2011 21.00 5 25 May 2011 21.00 6 26 May 2011 21.00 7 27 May 2011 21.10 8 30 May 2011 21.10 9 31 May 2011 21.10 10 1 JUN 2011 21.00 11 2 JUN 2011 21.20 ______________________________________________________________________