average Total Assets Return on Equity (ROE) = Net Profit to average Total Equity Yours faithfully, Mr. Hiroaki Sano Managing Director 2019 2018 Gross profit margin 23.7% 21.5% Net profit margin 19.3% 15.2

stock of Baht 103 million, and dividend payment of Baht 134 million. Please be informed accordingly. Yours sincerely, Mr. Sompol Tanadumrongsak Managing Director

of YE 2019 and 2018, Bank overdrafts were THB 7.2 million and THB 0.0 million respectively. The THB 7.2 million increase from Company had the undrawn bank overdraft for managing working capital during

Diamond Products Company. Details are shown in the Attachment: Information Memorandum on Acquisition of Assets. Please be informed accordingly. Yours Sincerely, Pete Rimchala Managing Director Information

profit margins of all segments, especially for the overseas subsidiaries. Please be informed accordingly. Sincerely Yours, Mr. Pete Rimchala Managing Director

consulting fees for managing the system. information and consultants to improve work processes, etc. Financial expenses for the three-month period ended March 31, 2017 amounted to 0.08 million baht, compared

in this period. Please be informed accordingly. Sincerely Yours, - SOMKIAT VONGSAROJANA – (Mr. Somkiat Vongsarojana) Managing Director

issued from exercise of warrants increased by Baht 63 million and dividend paid 122 million baht. Please be informed accordingly. Yours sincerely, -Mr.Sompol Tanadumrongsak Managing Director

, ---------------------------------- Mr. Khongsit Choukitcharoen Managing Director

decrease was mainly due to a decrease in gross profit margin and an increase in administrative expenses. Please be informed accordingly. Sincerely yours, -Signed- (Ms. Vasana Jantarach) Deputy Managing