Page 1 of 2 AC6305/006 May 14, 2020 Subject Clarification of the operating results for the quarter 1/2020 ended March 31, 2020 To Director/ Managing Director The Stock Exchange of Thailand According

million Baht compared with net loss of 1.96 million Baht in the same quarter last year. Best regards, Sawai Chatchairungruang Managing Director

dropped from 7.32 baht to 5.91 baht. Please be informed accordingly. Yours sincerely, Araya Tejanant Managing Director

informed accordingly. Sincerely Yours, (Mr. Yuttana Taepangthong) Managing Director

faithfully, (Mr. Hiroaki Sano) Managing Director Financial Ratios Q2 2019 Q2 2018 Gross profit margin 20.7% 18.8% Net profit margin 14.3% 12.0% Debt to Equity ratio 0.10 0.10 Earnings per share 0.57 0.43 ROA

average Total Equity Yours faithfully, Mr. Hiroaki Sano Managing Director Financial Ratios Q3 2018 Q3 2017 Gross profit margin 20.2% 17.7% Net profit margin 11.9% 7.4% Debt to Equity ratio 0.14 0.12

average Total Equity Yours faithfully, (Mr. Hiroaki Sano) Managing Director

Assets Return on Equity (ROE) = Net Profit to average Total Equity Yours faithfully, (Mr. Hiroaki Sano) Managing Director

to the timing differences of taxable income or expenses. Please be informed accordingly. Yours sincerely (Mr. Wichai Intaranukulkij) Managing Director

จดหมายชี้แจงq363e November 13, 2020 Managing Director Stock Exchange of Thailand Subject : Management Discussion and Analysis for three month Ending 30 September 2020 Summary onThird Quarter result