- Translation - AIS-CP 104/2008 September 17, 2008 Subject: 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.IB.08/3046 of Thai Military Bank on September 17, 2008 Advanced Info Service Public Company Limited would like to inform you regarding the interest rate of debentures of the Company (AIS093B), the detail is shown in the referenced letter. Please be informed accordingly. Yours faithfully, -signed- Mr. Pong-amorn Nimpoonsawat Chief Finance Officer Advanced Info Service Plc. Compliance Department Tel. 0-2687-4278, 0-2615-3277 Referenced Letter IVS.IB.08/3046 September 17, 2008 President The Stock Exchange of Thailand 62 Rachadapisek Road, Bangkok 10110 RE : Interest rate on AIS093B, payable on March 23, 2009 Dear Sir, We, TMB BANK Public Company Limited. 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 4.85 % per annum from the period of September 21, 2008 to March 22, 2009 for 183 days. Note: The rate 4.85% is calculated from 2.75 % plus 2.10 %.The rate 4.85 % 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, (Miss Poonsri Solgosoom) Authorized Signature Registrar and Paying Agent Investor services Operations Division Tel. 0-2230-6203, 0-2230-5487