Translation AIS CP 021/2550 March 22, 2007 Subject: Notification of the Resolutions of Board of Directors Meeting No. 3/2007 of Advanced Info Services Plc. ("the Company") To: The President Stock Exchange of Thailand We would like to inform you that at Board of Directors Meeting No. 3/2007 held on March 22, 2007 at 10.00 a.m., at the Board Room on the 20th floor of Shinawatra Tower 1, 414 Paholyothin Road, Samsennai, Payathai, Bangkok 10400, the following matters were resolved: 1. Certified the minutes of Board of Directors Meeting No. 2/2007 held on February 23, 2007; 2. Approved the Company's annual registration statement (SEC Form 56-1); 3. Approved a succession plan for senior executives as proposed by the management and endorsed by the Nomination Committee by appointing Mr. Vikrom Sripataks, Chief Technology Officer of Advanced Info Services Plc., to the post of Chief Executive Officer of Advanced Info Services Plc., in charge of Wireless Communication business, replacing Mr. Somprasong Boonyachai who still remains the Chairman of the Executive Committee of Advanced Info Services Plc. The aforementioned management changes will be effective July 1, 2007. Yours faithfully, -Signed- Mr. Somprasong Boonyachai Chairman of the Executive Committee Advanced Info Services Plc.