The Board of Directors’ Meeting No. 12/2018 of Master Ad Public Company Limited (the “Company”) held on November 23, 2018, has passed the resolutions for the following significant matters: 1. approved

1 ท่ี ECF2 029/2561 28 มถุินายน 2561 เรือ่ง การเขา้ท ารายการลงทุนสรา้งโรงงานผลติและจ าหน่ายแผ่นไฟเบอรบ์อรด์ความหนาแน่นปานกลาง (Medium Density Fiber Board) หรอืแผ่นไมเ้อม็ดเีอฟ (MDF Board) ที่จงัหวดัน

Exchange of Thailand CH. Karnchang Public Company Limited hereby informs the resolutions of the Board of Directors’ Meeting No. 1/2019 which was held on February 28, 2019 as follows: 1. Resolved to approve

the Stock Exchange of Thailand CH. Karnchang Public Company Limited hereby informs the resolutions of the Board of Directors’ Meeting No. 1/2019 which was held on February 28, 2019 as follows: 1

-Translation- 11 August 2017 Subject : The establishment of Vanachai Wood Smith Company Limited To : President The Stock Exchange of Thailand According to the meeting of board committee of Vanachai

Board No. TorThor. 35/2556 Re: Standard Conduct of Business, Management Arrangement, Operating Systems, and Providing Services to Clients of Securities Companies and Derivatives Intermediaries dated 6

Guidelines No. NorPor. 4/2559 Re: Practical Guidelines for Business Continuity Management _______________________________ Reference is made to the notification of the Capital Market Supervisory Board No

procedure of such systems in written with an approval of Board or Executive Board of securities company. Clause 5. Securities company shall prescribe a measure protecting internal data access between

written with an approval of Board or Executive Board of securities company. Clause 5. Securities company shall prescribe a measure protecting internal data access between organization and worker of

, risk management system, and a system protecting conflict of interest and shall prescribe rule and procedure of such systems in written with an approval of Board or Executive Board of securities company