ที่ กตพ Ref. DBP.045 / 2019 March 19, 2019 Subject : Information Regarding Acquisition of Machinery for Fiber Cement Tile Production (NT-11) To : President The Stock Exchange of Thailand The Board of

information for decision making. Mr. Richard McGillivray, guest speaker from CFA Institute, shared valuable knowledge on ESG through mini case studies with more than 100 Thai professionals from the securities

* Note Please find further information in the consolidated financial statements. 1 9th May, 2018 Subject: Management Discussion & Analysis (MD&A) for the 1st quarter of 2018 Attention: The President

for entering into material transactions that are the acquisition or disposal of assets; Full disclosure of information and action of Listed Company on the Acquisition or Disposition of Assets of 2004

material transactions that are the acquisition or disposal of assets; Full disclosure of information and action of Listed Company on the Acquisition or Disposition of Assets of 2004, requires full disclosure

into Material Transactions Deemed as Acquisition or Disposal of Assets and the Notification of the Stock Exchange of Thailand (SET) Re: Disclosure of Information concerning the acquisition and

plastic packaging business since October 2016. According to the information from office of industrial Economics the domestic sale of plastic packaging during July to September 2017 was 15.3%. In addition to

* Note Please find further information in the consolidated financial statements. 1 7th August, 2018 Subject: Management Discussion & Analysis (MD&A) for the 2nd quarter of 2018 Attention: The

ACC1/18-042 6 September 2018 Subject : The Information of a Disposition of Assets of the Subsidiary (Revise) To: Director and Managing Director The Stock Exchange of Thailand Qualitech Public Company

Material Transaction deemed as Acquisition or Disposition of Assets and the Notification of the Board of Governors of the Stock Exchange of Thailand regarding the Disclosure of Information and Other Acts of