construction under a concession arrangement - 131.3 (131.3) N.A. (

reduction of cost of inventories to the net realisable value which is shown as a part of cost of sales by increasing the cost of sales. 2019 2018 Increase (decrease) Million Baht % Million Baht % Million Baht

related company of 2.37 million baht and others of 0.49 million baht 1.2 Cost and Expenses In Quarter 2-2017, the company and its subsidiaries had gross margin 6.62 percent and net loss (9.49) percent of

% Cost of sales and services 159.63 68.5% 135.06 67.9% 24.57 18.19% Gross profit 73.54 31.5% 63.78 32.1% 9.76 15.30% SG&A 44.75 19.2% 42.42 21.3% 2.33 5.50% Selling expenses 27.81 11.9% 20.75 10.4% 7.06

10.07 Cost of services 95.89 92.72 90.41 3.17 3.42 5.48 6.06 188.60 175.20 13.40 7.65 Selling expenses 2.88 3.06 4.97 -0.18 -5.88 -2.09 -42.05 5.94 9.35 -3.41 -36.47 Administrative expenses 10.62 10.43

293.41 262.15 31.26 11.92 Cost of services 100.54 95.89 95.80 4.65 4.85 4.74 4.95 289.14 271.00 18.14 6.69 Selling expenses 7.43 2.88 9.13 4.55 157.99 -1.70 -18.62 13.38 18.48 -5.10 -27.60 Administrative

year 2018. 2. Cost of goods sold and expenses : Consolidated Unit: Million Baht Information of period Value Change Compare total income Q2.2019 Q2.2018 Amount % Q2.2019 Q2.2018 Cost of goods sold 209.71

baht 1.2 Cost and Expenses In Quarter 2-2018, the company and its subsidiaries had gross margin 4.90 percent and net loss (9.37) percent of total revenues when compare to the same period in 2017 was

2.09% Cost of sales 11,157.78 11,132.99 24.79 0.22% Gross profit 4,243.04 3,964.67 278.37 7.02% Selling and administrative expenses 3,552.75 3,448.36 104.39 3.03% Profit before finance cost and income

increase in sale of scrap. 2. Cost of sale , Profit margin In Q3/2018 the company had cost of sale Baht 112.03 million compare with the same period of previous year amount to Baht 85.71 million, increase