IRS.009/2010 August 2, 2010 To: The President The Stock Exchange of Thailand Subject: Invitation of the EGM. uploaded on the Company's website Refer to the resolution of the Board of Directors Meeting of Master Ad Public Company Limited No.4/2010 held on July 16, 2010 which has approved the convening of the Extraordinary General Meeting of Shareholders 1/2010 on the August 24, 2010 14.00 hrs. At Smile room 5th floor Mater Ad Public company limited No.1 4-6 floor soi ladprao 19, ladprao road, Chomphol Chatuchak Bangkok, 10900. To consider matters as detailed in the previous notification. The invitation of the Extraordinay General Meeting of Shareholders 1/2010 and all supporting documents are now uploaded on the Company's website http//:www.masterad.com/Investor Relation for public considerations since August 2nd, 2010. Please be informed accordingly. Yours sincerely, Noppadon Tansalarak Director Phiched Maneerattanaporn Director