-Translation- AIS-CP 084/2010 August 27, 2010 Subject: Appointment of the Management To: The President The Stock Exchange of Thailand Advanced Info Service Public Company Limited (the "Company") would like to inform that the Company appointed Mr. Mark Chong Chin Kok as the Chief Operating Officer replacing Mr. Hui Weng Cheong, effective from October 1, 2010 onwards. Please be informed accordingly. Yours faithfully, -Signed- Mr. Vikrom Sriprataks Director Advanced Info Services Plc.