ACC.006/48 13 May 2005 President The Stock Exchange of Thailand 62 Rachadapisek Klongtoey Bangkok 10110 Subject: Clarification of Master Ad PLC's Operating Results Master Ad Plc. would like to clarify the reviewed financial statement for the first quarter ended March 31,2005. Net profit for the first quarter of 2005 and earning per share were Baht 22.39 million and Baht 0.18 respectively. Which were lower than net profit and earning per share for the corresponding period of 2004 at Baht 30.02 million and Baht 0.24 or lower 25 %. The reason that the revenue in the first quarter, the year 2005 is different from the first quarter of last year, 2004 because of the export sales, Baht 33 million in 2004. This year, the company has adjusted the new sales strategy based on the "client season period" and current marketing accordingly in order to achieve as "targeted". Thus, the revenue of the next quarter shall be as expected due to the new sales strategy and new projects expansion of the company. Please be kindly informed accordingly. Yours sincerely, Master Ad.PLC Noppadon Tansalarak Phiched Maneerattanaporn President & CEO Director