ACC.008/51 21 March 2008 Re: change address for the Annual General Meeting on April 22, 2008 To : The President The Stock Exchange of Thailand Ref. : ACC.001/51, Date: February 25, 2008 Subject: Resolutions of the BOD Meeting and Dividend Payment Master Ad Plc. Would like to change the address for the Annual General Meeting 2008 on April 22, 2008 the detail are as follow: As before Approved the holding of the Annual General Meeting of Shareholders 2008 On 22 April 2008 14.00 hrs.At Chao Samphaya Room, 4th Floor, The Grand Hotel Bangkok 238 Rachadapisek Road, Huay-Kwang,Bangkok 10320 Change Approved the holding of the Annual General Meeting of Shareholders 2008 On 22 April 2008 14.00 hrs.At Chao Samphaya Room, 4th Floor, the Grand Hotel Bangkok 20 Rachadapisek Road, Huay-Kwang,Bangkok 10320 Please be informed accordingly Your Sincerely, Noppadon Tansalarak Director Phiched Maneerattanaporn Director 1