comparison million or with net pr 22.31%. Summary The Operatin venues : Revenues from services Other income Total rev penses : Cost of sales an Administrative expenses Total ex are of profit o associated com

- Testing and Inspection 13.89 13.12 0.77 5.87% 3 Cost of sales and services (442.04) (406.41) 35.63 8.77% Gross Profit 43.73 30.54 13.19 43.21% Other income 3.89 3.28 0.61 18.51% 4 Profit before expenses

Expenses (1,775.1) (36.6%) (1,720.2) (36.5%) +54.9 +3.2% Add: Share of Profit/(Loss) from Investments (by equity method) 9.1 0.2% 12.0 0.3% -2.9 -24.2% EBITDA 999.4 20.6% 914.1 19.4% +85.3 +9.3% Less

Profit 190.47 115.29 75.18 65.21% Other income 16.95 63.55 (46.60) (73.33%) 6 Profit before expenses 207.42 178.84 28.58 15.98% Selling expenses (18.70) (19.86) (1.16) (5.84) Administrative expenses

22.55 115.22 511.03 Cost of construction contracts (1,241.09) (917.54) 323.55 35.26 Gross profit 145.99 101.75 44.24 43.48 Other income 2.79 2.69 0.10 3.66 Administrative expenses (66.10) (58.54) 7.56

190.47 57.95 30.42% Other income 15.24 16.95 (1.71) (10.09%) Profit before expenses 263.66 207.42 56.24 27.11% Selling expenses (22.79) (18.70) 4.09 21.87% 6 Administrative expenses (149.44) (131.08) 18.36

1.58 57.04% 4 Profit before expenses 69.58 61.27 8.31 13.56% Selling expenses (1.52) (4.98) (3.46) (69.48%) 5 Administrative expenses (64.20) (38.77) 25.43 65.59% 6 Finance costs (2.78) (3.07) (0.29

Company’s Statement of Income (Unit: Thousand THB) Dec 31, 2017 Dec 31, 2018 Total Revenue 179,704.12 138,594.13 Cost of Sales 141,814.49 108,039.77 Selling Expenses 10,594.75 ,. Administrative Expenses

% Other income 1.40 4.25 (2.85) (67.06%) 4 Profit before expenses 81.66 60.77 20.89 34.38% Selling expenses (1.38) (4.49) (3.11) (69.27%) 5 Administrative expenses (39.93) (37.82) 2.11 5.58% Finance costs

6.69 (3.92) (58.59%) 6 Profit before expenses 61.27 40.31 21.59 53.56% Selling expenses (4.98) (4.07) (0.91) 22.36% Administrative expenses (38.77) (28.41) (10.36) 36.47% 7 Finance costs (3.07) (3.82