IRS.003/2010 22 March 2010 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.1/2010 held on February 24, 2010 which has approved the convening of the Annual General Meeting of Shareholders 2010 on the April 22, 2010 at 14.00 hour At Ratchavipa room, 2nd floor, Tarnthip Building, Chaophya Park Hotel, 247 Ratchadaphisek Road, Dindaeng, and Bangkok, Thailand. To consider matters as detailed in the previous notification. The invitation of the Annual General Meeting of Shareholders 2010 and all supporting documents are now uploaded on the Company's website http//: www.masterad.com/Investor Relation for public considerations since March 20th, 2010. Please be informed accordingly. Yours sincerely, Noppadon Tansalarak Director Phiched Maneerattanaporn Director