Report of Financial Covenants Compliance

12 May 2005
- Translation - Ref: AIS-CP056/05 May 12, 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, 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 March, 2005 the debt to equity ratio of the Company are as follows: Debentures Debt to Equity ratio Conditions Compliance AIS063A less than or equal to 2:1 0.85 AIS06NA, AIS073A, AIS07OA, AIS093A, AIS093B less than or equal to 2:1 0.62 and we are in compliance with the conditions set forth in the Terms and Conditions of the above debentures. In addition, in case that the Company pays dividend to the shareholders, the dividend payout ratio will not be more than 70%. Total dividend paid to the shareholders from 2004 operation was Baht 13,978 million or 69% of 2004 net profit which is in the set limit and the Company has fully complied with the conditions for dividend payment. Please be informed accordingly. -(Signed)- Mr. Pong-Amorn Nimpoonsawat Chief Finance Officer