of the parent 114.60 130.21 (15.61) (11.99) Gross Profit Margin (%) 26.58 27.86 Net Profit Margin (%) 11.04 12.65 Remark: 1) Net profit margin is calculated from the net profit attributable to equity

11.93 29.77 (17.84) (59.93) Gross Profit Margin (%) 25.43 26.46 Net Profit Margin (%) 5.27 11.72 Remark: 1) Net profit margin is calculated from the net profit attributable to equity holders of the parent

50.28 25.89% Gross profit margin 15.47% 13.76% Other income 5.33 4.73 Selling expenses 3.36 9.99 (6.63) -66.39% Administrative expenses 111.43 108.51 2.92 2.69% Earnings before interest and tax 135.08

contract revenue was 85.43%, or a gross profit margin of 14.57%. While in year of 2018, the cost of contract was 767.93 million Baht which was 95.04% of contract revenue, or a gross profit margin of 4.96

same period of the last year which showed 14.47 million Baht, which was mainly caused by COVID-19 situation. Cost of Goods Sold/service and Gross Profit Margin The company recorded cost of goods sold of

by 2.91 million Baht or 17.11% from the same period of the last year which showed 17.01 million Baht, which was mainly caused by COVID-19 situation. Cost of Goods Sold/service and Gross Profit Margin

was 42.95 million Baht which had a Gross Profit Margin of 25.42%, decreasing from the same period of previous year which had a Gross Profit Margin of 27.72%. This decrease in Gross Profit Margin was

% 116.70 100.00% -29.59 -20.22% Gross Profit / Margin 43.91 30.02% 31.00 26.56% Net Profit / Margin 15.68 10.72% 5.30 4.54% Revenue from sales and services The Company’s sales and services revenue is reduced

Profit / Margin 77.28 29.97% 60.46 27.01% Net Profit / Margin 23.72 9.20% 6.94 3.10% Revenue from sales and services The Company’s sales and services revenue is reduced by THB 34.09 million or equivalent

170.45 142.90 27.54 Gross profit margin 15.33% 13.51% 1.82% Other income 4.77 3.67 1.09 Selling expenses 2.66 4.73 (2.07) Administrative expenses 80.76 84.95 (4.19) Earnings before interest and tax 91.79