IRS.003/2011 21 March 2011 To: The President The Stock Exchange of Thailand Subject: Invitation of the AGM uploaded on the Company's website Refer to the resolution of the Board of Directors Meeting of Master Ad Public Company Limited No.1/2011 held on February 23, 2011 which has approved the convening of theAnnual General Meeting of Shareholders 2011 on the April 22, 2011 at 10.00 hour AtRatchavipa room, 2nd floor, Tarnthip Building, Chaophya Park Hotel, 247 Ratchadaphisek Road, Dindaeng, Bangkok, Thailand. To consider matters as detailed in the previous notification. The invitation of the Annual General Meeting of Shareholders 2011 and all supporting documents are now uploaded on the Company's website http//:www.masterad.com/Investor Relation for public considerations on March 21th, 2011. Please be informed accordingly. Yours sincerely, Noppadon Tansalarak Director Phiched Maneerattanaporn Director ______________________________________________________________________