million, increased by THB 532 million or 44.8%, representing gross profit margin of 42.4%, an increase from 35.4% gross profit margin in the corresponding period last year, mainly due to the improving

49% 22,740,610 15,257,471 49% Key Financial Ratios Gross Profit Margin 30.5% 18.0% 12.6% 35.6% 34.3% 1.3% SG&A as % to Sales -33.2% -33.3% 0.1% -24.9% -24.5% -0.4% Net Profit Margin -16.7% -97.6% 80.9

32,109 25,462 33,691 (18,284) (56.9) Income tax expenses 2,715 6,390 5,037 6,745 (3,675) (57.5) Profit for the period 11,110 25,719 20,425 26,946 (14,609) (56.8) Gross profit margin 23.6% 25.7% 23.6% 23.3

. As a result, gross profit margin of raw water business dropped to 50.06% from 54.99%. Industrial Estate 64% Household Customer 23% Private Industrial Park 2% Factories 1% Internal Usage 10% Industrial

gross profit margin of raw water business dropped to 56.10%. Industrial Estate 50% Household Customer 22% Private Industrial Park 14% Factories 5% Internal Usage 9% Industrial Estate 49% Household

from the acquisition of LQSF in Vietnam as well as consulting fees from other investment projects; 2) lower sales contribution of export pressuring net profit margin; 3) higher depreciation resulted from

lower than the decreased rate in revenue, since the rest of equipment for lease project had a quite low gross profit margin and a higher equipment maintenance expense. Summary of Operation for Q4-2018

) 2.52 (217.44) (8,628.57) Gross Profit Margin -2,924.27% 37.99% Earnings before interest and taxes -4,966.99% 10.62% Earnings before taxes -6,936.25% 2.07% Net Profit Margin -6,955.34% 0.57% 1.2 Report

-355.1 -5.0% Gross Profit 707.7 1,026.1 -318.4 -31.0% Gross Profit Margin (%) 9.5% 12.6% -3.1% SG&A expenses 459.9 440.4 19.5 4.4% Loss on exchange rate 0.0 35.4 -35.4 -100.0% EBIT before share of profit

received from current investment. 2. Cost of sale , Profit margin In Q2/2017 the company had cost of sale Baht 82.97 million compare with the same period of previous year amount to Baht 68.01 million