- Translation - AIS-CP 086/2008 June 27, 2008 Subject: Notification of the book closing for interest payment of debentures of the Company (AIS134A) To: The President The Stock Exchange of Thailand Refer to: The letter no. IVS.IB 08/2115 of TMB Bank Plc. on June 27, 2008 Advanced Info Service Public Company Limited ("the Company") would like to inform you that the Company will close the registered book for interest payment of debentures of the Company (AIS134A), the details are shown in the referenced letter. Please be informed accordingly. Sincerely Yours, (Signed) Mr. Pong-amorn Nimpoonsawat Chief Finance Officer Advanced Info Service Plc. Compliance Department Tel. 0-2687-4278 Referenced Letter No. 1 IVS.IB.08/2115 June 27, 2008 President The Stock Exchange of Thailand 62 Rachadapisek Road, Bangkok 10110 RE : Scheduled closing the registered book for AIS134A Dear Sir, We, TMB BANK Public Company Limited. As a Registrar & Paying Agent Debentures of ADVANCED INFO SERVICE PUBLIC COMPANY LIMITED NO.1/2008, DUE 2013 would like to announce that the registered book of AIS134A will be closed from 12.00 on July 16, 2008 for the right to receive the interest for the period # 1. AIS134A will be paid the interest on July 30, 2008 with interest rate 4.00 % from the period of April 30, 2008 to July 29, 2008 for 91 days. Yours faithfully, (Signed) (Miss Poonsri Solgosoom) Authorized Signature Registrar and Paying Agent Investment Services Operations Division Tel. 0-2230-6061, 0-2230-5731