Bangkok Interbank Offered Rate (BIBOR)* as of December 18, 2007 11.00 a.m. Tenor Last (18/12/07) Change Previous (17/12/07) O/N 3.27125 0.00000 3.27125 1 Week 3.34969 -0.00312 3.35281 1 Month 3.77859 0.01250 3.76609 2 Month 3.88906 0.01562 3.87344 3 Month 3.92344 0.00781 3.91563 6 Month 3.95344 0.00000 3.95344 9 Month 4.01375 0.00000 4.01375 1 Year 4.05813 0.00250 4.05563 * 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.