receivables which shared 90% of total assets. - Accounts Receivable The Company has gross accounts receivable of 70,745 million baht (both current assets and non-current assets) as of August 31, 2017

. Shareholders’ Equity (Time) 0.5 0.5 Financial Ratio Analysis The Company has the gross profits increased from 44. 7 percent in 2016 to 45. 3 percent in 2017 mainly due to the better manufacture cost control

(Time) 1.6 1.4 Liabilities vs. Shareholders’ Equity (Time) 0.5 0.5 Financial Ratio Analysis The Company has the gross profits increased from 44. 7 percent in 2016 to 45. 3 percent in 2017 mainly due to

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

in the direct labor costs, maintenance cost and the airport concession fee for Aviation refueling services business. The Gross profit margin of the Group was of 55.8% compared to 55.2% of 2017. 1.2.2

increase in the direct labor costs, maintenance cost and the airport concession fee for Aviation refueling services business. The Gross profit margin of the Group was of 55.8% compared to 55.2% of 2017

), mainly due to the increase in the direct labor costs, maintenance cost and the airport concession fee for Aviation refueling services business. The Gross profit margin of the Group was of 61.2 % compared

cost (5.20) (69.15) - - Gross profit 2.32 30.85 0.21 100.00 Other income 4.89 65.03 5.73 2,728.57 Profit before expenses 7.21 95.88 5.94 2,828.57 Administrative expenses (11.97) (159.18) (17.01

- 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

119.78 2.53 117.25 4,634.39 Cost of construction contracts (368.25) (333.53) 34.72 10.41 Gross profit 46.09 41.01 5.08 12.38 Other income 2.70 0.27 2.43 910.24 Administrative expenses (21.86) (16.63) 5.23