-Translation- AIS-CP 050/2009 May 14, 2009 Subject: Notification of the Resolutions of the Board of Directors' Meeting No. 4/2009 To: The President The Stock Exchange of Thailand Advanced Info Service Plc. ("the Company") would like to inform the resolution of the Board of Directors' Meeting No. 4/2009, which is held on May 14, 2009 as the following matters: 1. Certified the Minutes of the Board of Directors' Meeting (Special Agenda) No. 2/2009 held on April 8, 2009. 2. Approved the balance sheet, statement of income, and statement of cash flow for the first quarter of 2009 ended March 31, 2009. 3. Approved the appointment of Mr. Arak Chonlatanon as the Member of the Executive Committee replacing Dr. Dumrong Kasemset, who resigned from the position since May 13, 2009. Effective on May 14, 2009 onwards, the Company's Executive Committee will be composed of the following members; 1) Mr. Allen Lew Yoong Keong Chairman of the Executive Committee 2) Mr. Arak Chonlatanon Member of the Executive Committee 3) Mr. Vikrom Sriprataks Member of the Executive Committee 4) Ms. Nidchanun Santhaveesuk Member of the Executive Committee 5) Mr. Ng Ching-Wah Member of the Executive Committee Please be informed accordingly Best Regards, -Signed- Mr. Vikrom Sriprataks Director Advanced Info Services Plc.