ACC.011/2551 May 14, 2008 President The Stock Exchange of Thailand 62 Rachadapisek, Klongtoey Bangkok 10110 Subject:Director and Member of the Audit committee resignation. Master Ad Public Company Limited would like to inform that Mr.Sanor Thampipattanakul, Director and Member of the Audit Committee, resigned from the company it is effective on May 12, 2008.Due to the resignation, Master Ad Public Company Limited Board of Director's would consist of 10 directors as shown below: 1. Pol.Sub.Lt Kriengsak Lohachala Chairman of the Board of Director 2. Mr. Parames Rachjaibun Deputy Chairman of the Board of Director 3. Mr.Vichit Dilokvilas Director 4. Mr. Noppadon Tansalarak Director and Chief Executive Officer 5. Mr.Phiched Maneerattanaporn Director 6. Mr.Tawat Meeprasertskul Director 7. Mr. Prasert Virasathienpornkul Independent Director 8. Mr.Pornsak Limboonyaprasert Independent Director 9. Mr. Prasong Aimmanoj Director 10. Miss.Tamonwan Narinthavanich Director Member of the Audit Committee are as follow; 1. Mr. Prasert Virasathienpornkul Chairman of the Audit Committee 2. Mr.Pornsak Limboonyaprasert Member of the Audit Committee As a consequence of the resignation, the number of Audit committees of the company will be short of SET rules and regulations in respect of Board of Directors. Therefore, the company's Board of Directors have been in selection and appointment procedures of qualified Member ofcommittee in substituting the vacancy. (Noppadon Tansalarak) (Phiched Maneerattanaporn) Director Director