- Translation - CP- AIS 021/2004 March 18, 2004 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 04/0451 of DBS THAI DANU BANK on March 18, 2004 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) Mr. Pong-Amorn Nimpoonsawat Chief Financial Officer Advanced Info Service Public Company Limited Group Compliance Tel. 0 2299 5561 Referenced Letter IVS 04/0451 March 18, 2004 President The Stock Exchange of Thailand 62 Rachadapisek Road, Bangkok 10110 RE: Interest rate on AIS093B, payable on September 21, 2004 Dear Sir, We, DBS THAIDANU BANK 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 3.10% per annum from the period of March 21, 2004 to September 20, 2004 for 184 days. Note : The rate 3.10% is calculated from 1.00% plus 2.10%. The rate 1.00% 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 Operations Department Registrar & Paying Agent IVS Operations Department Tel. 0-230-5575, 0-230-5487