- Translation - AIS-CP 070/2010 August 2, 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.10/4042 of Thai Military Bank Plc., dated August 2, 2010 2. The Letter No. SSO.SSFO.10/4044 of Thai Military Bank Plc., dated August 2, 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.10/4042 August 2, 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 August 24, 2010 for the right to receive the interest for the period # 8. AIS119A will be paid the interest on September 7, 2010 with interest rate 5.90 % from the period of March 7, 2010 to September 6, 2010 for 184 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.10/4044 August 2, 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 August 24,2010 for the right to receive the interest for the period # 8. AIS139A will be paid the interest on September 7, 2010 with interest rate 6.00 % from the period of March 7, 2010 to September 6, 2010 for 184 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