decrease was derived from engineering service, solar energy, and Trading business. • Overall gross profit margin decreased from 13.3% to 9.1% amount Baht (24.09) million. 2019 2018 Revenue 383.44 443.08

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

THB 13.4 million or 10.9% and gross profit margin to total revenues was at 15.4%. The Group reported total net profit for the year 2018 at THB 20.6 million, decreased by THB 29.8 million or 59.1% when

Revenue 1,679,837 1,170,702 509,135 43.49 Gross Profit 452,876 331,824 121,052 36.48 Gross profit margin (%) 26.96 28.34 (1.38) (4.88) Rental and other services Revenue 76,312 57,760 18,552 32.12 Gross

which increased from 94.28% in year 2016, and the gross margin decreased from 5.72% in 2016 to 5.50% in 2017. The increase of gross profit margin was mainly due to differences in product mix as compared

gross profit margin was also mainly impacted by the Baht appreciation as compared to previous year. 3. Selling and Administrative Expenses For the first quarter ended 31 March 2018, the Company’s SG&A

management which we have more focused in this year. Income 221.39 Cost of goods sold 180.03 Gross Profit Margin 37.27 Administration expenses 12.85 Selling expenses 3.59 Net Profit Margin 18.31 Profit (Baht

was decreased by THB 26.7 million or 13.1% whereas the gross profit was increased by THB 5.2 million. The gross profit margin for this quarter represented at 17.0%. For the six-month period, the Group

Baht which had a Gross Profit Margin of 23.82%, decreasing from the same period of previous year which had a Gross Profit Margin of 25.42%. This decrease in Gross Profit Margin, Although the Company has

% which mainly increased from the revenue from services. The total cost was reported at THB 161.4 million, increased by THB 22.7 million or 16.4%. As a result, the gross profit margin for this quarter was