-Translation- AIS-CP 085/2010 August 30, 2010 Subject: Participation for 3G license auction To: The President The Stock Exchange of Thailand Advanced Info Service Public Company Limited (the "Company") would like to inform that Advanced Wireless Network Co., Ltd. (AWN), a 99.99% subsidiary of the Company, has participated in an auction of 3G license (IMT Mobile Phone Service in the Frequency Band of 2.1 GHz) to the National Telecommunications Commission. This is in accordance to the resolutions of the Company's Board of Directors Meeting held on August 6, 2010. Please be informed accordingly. Yours faithfully, -Signed- Mr. Pong-amorn Nimpoonsawat Chief Finance Officer Advanced Info Services Plc.