profit margin in the third quarter of 2017 was 57.2%. This gross margin had accounted for the fair value adjustment of the acquired business according to the accounting standards under WHA level. However

in the third quarter of 2017 was 56.6%. This gross margin had accounted for the fair value adjustment of the acquired business according to the accounting standards under WHA level. However, the

price. Nevertheless, the company had improved the feedstock management, resulting in the recorded adjusted EBITDA of THB 346 million, a little decrease from the previous year by 2%. In addition, the

13_MDA Q1_2563 EN -Translated Version- No. ECF2 018/2020 May 15, 2020 Subject: Management Discussion and Analysis of the 1st quarter ended 31 March, 2020 To President The Stock Exchange of Thailand

1 --Translation-- Sor Gor 106/2017 October 20, 2017 Subject: Management Discussion and Analysis for the third quarter ended September 30, 2017 (Unreviewed) To: The President The Stock Exchange of

1 --Translation-- Sor Gor 113/2017 November 9, 2017 Subject: Management Discussion and Analysis for the third quarter ended September 30, 2017 (Reviewed) To: The President The Stock Exchange of

Capital Market Supervisory Board or the Office of Securities and Exchange Commission have suggested investment in the offered securities; nor contain any assurance in relation to the value or returns on the

increased by Baht 11.24 million or an increase of 2.73 percent. Details of the changes or impacts are described in the Management Discussion and Analysis (MD&A) as attached herewith. Please be informed

- Translation - Page 1 of 6 CBG 006/2020 20 February 2020 Subject Management discussions and analysis for the fiscal year ended 31 December 2019 To President The Stock Exchange of Thailand We

the Management Discussion and Analysis (MD&A) as attached herewith. Please be informed accordingly. Yours faithfully, For and on behalf of Diamond Building Products Public Company Limited (Mr. Satid