- Translation - AIS-CP 031/2008 March 18, 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.08/0978 of Thai Military Bank on March 18, 2008 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. Yours faithfully, -signed- Mr. Pong-amorn Nimpoonsawat Chief Finance Officer Advanced Info Service Plc. Referenced Letter IVS.IB.08/0978 March 18, 2008 President The Stock Exchange of Thailand 62 Rachadapisek Road, Bangkok 10110 RE : Interest rate on AIS093B, payable on September 22,2008 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 4.35 % per annum from the period of March 21, 2008 to September 20, 2008 for 184 days. Note: The rate 4.35% is calculated from 2.25 % plus 2.10 %.The rate 4.35 % 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. 0-2230-5731, 0-2230-5487