- Translation - Ref: AIS-CP015/05 February 17, 2005 Subject : Report of Financial Covenants Compliance Advanced Info Service Plc. To The President The Stock Exchange of Thailand Pursuance to the Terms and Conditions of the debentures of Advanced Info Service Plc. AIS063A, AIS04NA, AIS06NA, AIS093A, AIS093B, AIS073A and AIS07OA, the Company is required to maintain its debt to equity ratio at not more than 2:1. This ratio will be calculated from an unconsolidated financial statement of the Company on a quarterly basis. The Company is, in addition, required to report a default on any debt obligation if there is any. We would like to notify you that as at 31 December, 2004 the debt to equity ratio of the Company are as follows: Debentures Debt to Equity ratio Conditions Compliance AIS063A <-2:1 0.73 AIS04NA, AIS06NA, <- 2:1 0.63 AIS093A, AIS093B, AIS073A, AIS07OA and we are in compliance with the conditions set forth in the Terms and Conditions of the above debentures. Please be informed accordingly. -(Signed)- Mr. Pong-Amorn Nimpoonsawat Chief Finance Officer