IRS.011/2009 December 18, 2009 President The Stock Exchange of Thailand 62 Rachadapisek, Klongtoey Bangkok 10110 Subject: Invitation letter to shareholders to propose agenda and name of the Company's director at AGM 2010 in advance. Master Ad Public Company Limited (the Company) would like to inform that, to follow the good corporate governance principle regarding the equitable treatment of shareholders, the Company is now providing an opportunity for minority shareholders to propose agenda items and nominees for election as director of the Company in advance of the Annual General shareholders Meeting for the year 2010 with the criteria as announced on the Company's website http://www.masterad.com /Investor relations Proposals on such matters have to rach the Company within 20th February 2010 and will be proceeded in next step. Please be informed accordingly. Sincerely yours, Noppadon Tansalarak Director Phiched Maneerattanaporn Director