- Translation - AIS-CP 008/2010 February 3, 2010 Subject: Notification of the book closing date for interest payment of AIS119A and AIS139A To: The President The Stock Exchange of Thailand Refer: 1. The Letter No. SSO.SSFO.10/0578 of Thai Military Bank Plc., dated February 3, 2010 2. The Letter No. SSO.SSFO.10/0580 of Thai Military Bank Plc., dated February 3, 2010 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 AIS119A and AIS139A, the details are shown in the reference letters. Please be informed accordingly, Yours faithfully, -signed- Mr. Pong-amorn Nimpoonsawat Chief Finance Officer Advanced Info Service Plc. Reference 1 SSO.SSFO.10/0578 February 3, 2010 President The Stock Exchange of Thailand 62 Rachadapisek Road, Bangkok 10110 RE : Scheduled closing the registered book for AIS119A Dear Sir, We, TMB BANK Public Company Limited. As a Registrar & Paying Agent Debentures of ADVANCED INFO SERVICE PUBLIC COMPANY LIMITED NO.1/2006, SERIES 2 DUE 2011 would like to announce that the registered book of AIS119A will be closed on February 22, 2010 for the right to receive the interest for the period # 7. AIS119A will be paid the interest on March 8, 2010 with interest rate 5.90 % from the period of September 7, 2009 to March 6, 2010 for 181 days. Yours faithfully, TMB Bank Public Company Limited (Mr.Apichart Watanaphusitsagul ) (Mr.Anan Vattanarongkupt) As the Registrar and Paying Agent Securities Services and Fund Operations Tel. 0-2230-6061,0-2230-5731,0-2230-5487 Reference 2 SSO.SSFO.10/0580 February 3, 2010 President The Stock Exchange of Thailand 62 Rachadapisek Road, Bangkok 10110 RE : Scheduled closing the registered book for AIS139A Dear Sir, We, TMB BANK Public Company Limited. As a Registrar & Paying Agent Debentures of ADVANCED INFO SERVICE PUBLIC COMPANY LIMITED NO.1/2006, SERIES 3 DUE 2013 would like to announce that the registered book of AIS139A will be closed on February 22, 2010 for the right to receive the interest for the period # 7. AIS139A will be paid the interest on March 8, 2010 with interest rate 6.00 % from the period of September 7, 2009 to March 6, 2010 for 181 days. Yours faithfully, TMB Bank Public Company Limited (Mr.Apichart Watanaphusitsagul ) (Mr.Anan Vattanarongkupt) As the Registrar and Paying Agent Securities Services and Fund Operations Tel. 0-2230-6061,0-2230-5731,0-2230-5487