of the economy has slowed due to the impact of the COVID19 pandemic and the downward trend of the world steel price. 2. Gross profit margin was 7.23% of Total revenue, decreased from last year that

% which mainly decreased from the revenue from services. The total cost was reported at THB 139.0 million, decreased by THB 54.1 million or 28.0%. As a result, the gross profit margin for this quarter was

-5.26 -16.97 -9.05 -26.02 Net Profit 13.84 -2.73 -5.02 7.75 280.75 -18.86 -136.27 Gross Profit Margin (%) 12.30 18.04 16.07 -1.96 -10.87 3.78 30.70 Net Profit Margin (%) 6.71 -1.12 -2.58 -1.47 131.32

2,276.27 million baht or decreased by 28.54%. 2. In the first quarter of 2019, the Company recorded gross profit margin of 32.31%, while the same period last year the Company recorded gross profit margin of

% Income tax expenses 4.97 7.57 (2.60) -34.35% Net profit for the period 18.03 20.43 (2.40) -11.75% Gross profit margin 56.34% 62.50% Net profit margin 9.71% 14.76% 1. Sales revenue Sales Revenue in 1H19

, the Company and its subsidiaries had cost of contract work amount of 224.70 million Baht, the ratio of cost contract work to revenue from contract work was 85.93%, or a gross profit margin of 14.07

-0.75 50.2% Net profit 4.13 -0.57 4.70 -822.5% 10.90 7.62 3.28 43.0% Gross profit margin (%) 13.3% 10.9% 12.7% 12.3% Net profit margin (%) 1.8% -0.2% 1.5% 1.1% 2 For 9-month period 2020, the Company

which decreased in the amount of Baht 35.71 million or 6.86% as compared to the same period of the previous year. Such increase was in line with a decrease in sales volume. Gross Profit Margin Gross

businesses since we focus on expanding customer base with business expertise • Overall gross profit margin increased from 9.8% to 11.3% amount Baht 45 million. 2019 2018 Change % Change Revenue 1,839 1,673 167

426 76% EBITDA 24 81 238% 114 223 96% Net Profit (Loss) for the Company (13) 34 362% (9) 82 1,011% Gross Profit Margin (%) 52.2% 64.6% 12.5% 56.1% 63.2% 7.1% EBITDA Margin1 (%) 20.7% 32.8% 12.1% 26.2