9.86% Gains on changes in interests in investments in associate and joint venture 151 - 151 N/A Interest income 195 368 -173 -47.12% Other income 570 631 -61 -9.73% Cost of sales and services 16,704

3.49 1.13 32.38% 3 - Construction 1,405.03 1,079.05 325.98 30.21% 4 - Testing and Inspection 78.24 57.22 21.02 36.74% 5 Cost of sales and services (2,029.13) (1,734.66) 294.47 16.98% Gross Profit 248.42

- Construction 470.96 377.21 93.75 24.85% 3 - Testing and Inspection 15.07 14.60 0.47 3.22% Cost of sales and services (620.92) (524.43) 96.49 18.40% Gross Profit 65.23 58.50 6.73 11.50% Other income 4.35 2.77

the increase in the gross profit margin that expanded from 14.5% in the second quarter of 2018 to 16.5% in the second quarter of 2019 and more efficient cost management that caused selling and

274.61 3.60 248.48 14.49 532.97 549.51 -3.01 Cost of goods sold 152.47 154.23 -1.14 139.89 8.99 292.36 306.13 -4.50 Selling expenses and administrative expenses 124.74 115.04 8.43 111.29 12.08 236.03

income 5 84 -79 -93.78% Cost of sales and services 4,258 3,744 514 13.72% SG&A expenses 341 197 144 73.37% Interest and Tax expenses 89 66 23 34.53% Share of profit from associates and JV 68 39 29 75.16

) (23.90%) 3 - Construction 343.54 192.48 151.06 78.48% 4 - Testing and Inspection 15.83 16.83 (1.00) (5.94%) 5 Cost of sales and services (494.89) (362.98) 131.91 36.34% Gross Profit 56.52 44.38 12.14 27.35

(0.40) (22.99%) 3 - Construction 346.79 287.89 58.90 20.46% 4 - Testing and Inspection 21.40 13.89 7.51 54.07% 5 Cost of sales and services (502.26) (442.05) 60.21 13.62% Gross Profit 61.69 43.73 17.96

value of transaction comprises of loans value equivalent to maximum Baht 94 million and the total cost of financing of Baht 5.875 million for the period of 6 months ending September 30, 2017. Thus, total

) Gross profit margin (%) 32.30 32.67 (0.36) (1.11) Total revenue 4,602,686 4,713,138 (110,452) (2.34) Total Cost & Expense 4,401,175 4,385,762 15,413 0.35 Selling & Admin. Expense 1,010,766 947,221 63,546