- Translation - AIS-CP 119/2005 September 16, 2005 Re: Notification of the Interest Rate of Debentures of the Company (AIS093B) To: The President The Stock Exchange of Thailand Refer to: The Letter No. IVS 05/1977 of Thai Military Bank on September 16, 2005 Advanced Info Service Public company Limited ("the Company") would like to inform you regarding the interest rate of debentures of the Company (AIS093B), the details are shown in the referenced letter. Please be informed accordingly. Regards, (Signed) Anek Pana-Apichon Vice President-Finance & Accounting Referenced Letter IVS 05/1977 September 16, 2005 President The Stock Exchange of Thailand 62 Rachadapisek Road, Bangkok 10110 RE: Interest rate on AIS093B, payable on March 21, 2006 Dear Sir, We, THAI MILITARY BANK Plc as a Registrar & Paying Agent Debentures of ADVANCED INFO SERVICE PUBLIC COMPANY LIMITED NO.2/2002, due 2009 would like to announce that the interest rate for this period is equal to 4.10% per annum from the period of September 21, 2005 to March 20, 2006 for 181 days. Note : The rate 4.10% is calculated from 2.00% plus 2.10%. The rate 2.00% is the average interest rate per annum quoted by Bangkok Bank Plc. Krung Thai Bank Plc, Kasikornbank Plc and The Siam Commercial Bank Plc to be payable to its customers for 6 months. Yours faithfully, (Klairoong Tamanakijprasart) Manager IVS & IB Ops. Department