- Translation - Ref: AIS-CP 014/2007 February 23, 2007 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.; AIS06NA,AIS073A, AIS07OA, AIS093A, AIS093B, AIS099A, AIS119A and AIS139A, the Company is required to maintain debt to equity ratio at not more than 2:1. The Company would like to report the Debt to Equity ratio as of 31 December, 2006 as the following: Company Consolidated Debt to Equity Ratio 0.49 0.43 In addition, as at 31 December, 2006 the Company was not in default of any debt obligation. The Company's credit rating was maintained at AA which enabled it to comply with the condition for dividend payment Please be informed accordingly. -(Signed)- Mr.Pong-Amorn Nimpoonsawat Chief Finance Officer