IRS.003/2009 20 March 2009 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.1/2009 held on February 25, 2009 which has approved the convening of the Annual General Meeting of Shareholders 2009 on the April 22, 2009 at 14.00 hour At Board room 4, Queen Sirikit National Convention Center, 60 Ratchadaphisek Road, Klongtoey,Bangkok, Thailand. To consider matters as detailed in the previous notification. The invitation of the Annual General Meeting of Shareholders 2009 and all supporting documents are now uploaded on the Company's website http//:www.masterad.com/Investor Relation for public considerations since March 20th, 2009. Please be informed accordingly. Yours sincerely, Noppadon Tansalarak Director Phiched Maneerattanaporn Director