business operations, having main proportional sale is export. 1.2 Summary of operating results. For the year ending 31 December 2017, the Company had net profit amounting 42.91 million Baht, profit increased

801 106 13% Cost of sales and services -789 -621 168 27% -682 -608 74 12% Gross Profit 248 235 13 5% 225 193 32 16% Other Income 5 0 5 1,701% 14 7 7 117% Selling expense -81 -70 11 16% -71 -61 10 17

subsidiaries by having the main substance is as follows. (Unit: Thousand Baht) Revenues Gross Profit Selling Admin Net profit 2017 837,308 293,207 80,159 93,260 -236,013 2018 929,354 325,527 88,001 79,800

2017 ended December 31, 2017 of the Company and its subsidiaries, as shown below : (Unit : Million Baht) 2017 2016 Change Revenue 837 849 -1.4% Gross profit margin 293 342 -16.7% Selling Expenses 80 96

shown below: (Unit : Million Baht) 2017 2016 Change Revenue 837 849 -1.4% Gross profit margin 293 342 -14.3% Selling Expenses 80 96 -16.7% Doubtful debts from the voiding of contract 320 - 100.0% Finance

% Amount % Q1-19 VS Q1-18 Q1-19 VS Q4-18 Sales Revenue 12,949 100.0 12,511 100.0 13,660 100 3.5 (5.2) Gross profit 2,978 23.0 2,731 21.8 3,145 23.0 9.0 (5.3) Operating profit 979 7.6 1,020 8.2 1,050 7.7 (4.0

water management business 38.34 9.35 310.05 Selling expenses 13.57 16.52 (17.86) Administrative expenses 20.88 17.30 20.69 Finance cost 6.65 4.55 46.15 Profit before income tax income (expenses) 9.41

, 2018 of the Company and its subsidiaries by having the main substance is as follows. (Unit: Thousand Baht) In overall, the Company and its subsidiaries had the net profit in Q3/2018 at 32.7 MB increased

Amount % Amount % Amount % Q3-19 VS Q3-18 Q3-19 VS Q2-19 Sales Revenue 12,404 100.0 13,715 100.0 13,915 100 (9.6) (10.9) Gross profit 2,373 19.1 3,358 24.5 2,772 19.9 (29.3) (14.4) Operating profit 409 3.3

the same period of last year at net loss 0.84%, mainly caused by increased in gross profit margin. The Company recognized employee benefit from changing post-employment plan in expense of Baht 11.47