Bangkok Interbank Offered Rate (BIBOR)* as of December 20, 2007 11.00 a.m. Tenor Last (20/12/07) Change Previous (19/12/07) O/N 3.27000 +0.00000 3.27000 1 Week 3.35281 +0.00312 3.34969 1 Month 3.80750 +0.01125 3.79625 2 Month 3.90063 +0.00250 3.89813 3 Month 3.93438 +0.00375 3.93063 6 Month 3.96969 +0.00750 3.96219 9 Month 4.02375 +0.00500 4.01875 1 Year 4.07391 +0.00750 4.06641 * BIBOR is the average of the borrowing rates quoted by predetermined banks. The average rate is derived by eliminating the top and bottom quartiles of the quotes and arithmetic-averaging the remaining rates for the day. BIBOR is a reference rate which is fixed at 11.00 a.m. of each working day and published by BOT at 11.15 a.m.