administration expenses comparing to the same period of the previous year in the amount of THB 88 million (equivalent to 3.0 percent). A main reason was the increase of the staff cost resulting from the increase

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

fee 150 THB per square meter Lease Term : 2 years (period : August 1, 2019 – July 31, 2021) The Cost of Rental and Service for 2 years : 3,420,000 THB Bail : 427,500 THB (To receive deposit money back

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