(Translation) (Translation) IR 024/18 November 14, 2018 President and Director The Stock Exchange of Thailand Subject : To explain the reasons on the company’s net profit (net loss) more than 20

as mentioned above and lower Gross Profit Margin from 36.1% in Q1/ 2019 to 35.1 % in Q1/2020 as a result of a higher related freight charges added to production costs; - SG&A including Interest

Microsoft Word - 015 ชี้แจงกำไรE (Translation) IR 015/20 May 14, 2020 Re : To explain the reasons on the company’s net profit (net loss) more than 20% from last year. To : The President The Stock

period of 2019 To : The President of the Stock Exchange of Thailand The Company would like to provide details of changes in Profit and Loss as shown in the six-month period ending 30 June 2020 reviewed

turnkey projects, pending the full members of owner‘s acceptance committee in place for the final handover inspection, caused delays in revenue recognition to next quarters accordingly. Profit for the

Company Limited would like to clarify the operating results of the year ended June 30, 2020 that has net Profit of Baht 9.76 million, decreased from the same period of previous year that has net profit of

), due to higher contribution of C-Vitt and COVID-19 impact. Higher proportion of C-Vitt in total portfolio distorted the overall gross margin as C-Vitt operates under joint venture model so profit is

85.78 million or 62.21% of the total gross profit of Baht 137.89 million of the quarter 2/2019. In the six-month period of 2020 was Baht 168.66 million representing a decreased of Baht 106.49 million or

loss from investment in joint venture and income tax 2.87 2.76 1.46 2.70 {1.24) (45.e3) Share of loss from investment in joint venture 0.00 1.06 0.00 0.00 0.00 N/A Profit before income tax 2.87 3.82 1.46

services 6,380 5,523 857 15.5% Gross Profit 772 622 151 24.2% Gross Profit Margin (%) 10.8% 10.1% 0.7% SG&A expenses 429 412 16 3.9% EBIT before share of profit (loss) from investment in associates and joint