first quarter of 2020 at 15.4%. The increase in gross profit margin of the first quarter of 2020 was mainly from the significant increase in the gross profit margin of house brand products from 14.5% to

million or 40.33% of total revenue from operations. The significant changes of the gross profit can be explained as follows: 1. GROSS PROFIT FROM SALES OF MANUFACTURING AND TRADING GOODS In the second

profit for the year ended 31 December 2017 and 2018 of THB 351.06 million and THB 184.49 million respectively, equivalent to a significant 47.45% decline. Net profit margin also tumbled from 20.84% to

THB 106.03 million, respectively, or equivalent to a gross profit margin of 73.28 and 55.73, respectively. The significant drop in gross profit of the Company was derived from the slowdown in sales

addition, the price of copper continued to decline (Table 2), and therefore the cost of production was lower and profit improved, despite a significant impact from the continued strengthening of the Thai

patients continuing to increase, as a result, the revenue in this business segment has grown as significant. 3.2 Gross Profit The Group's gross profit decreased by Baht 1.97 million or 8.09 per cent. Due to

of net loss whereas in the same period of 2019 was Baht 144.21 million of net loss or equivalent to -57.55 % and -67.77 % net profit margin, respectively. The significant lower operating loss was the

in 2017, primarily due to improvement of our operating profit margin and significant reduction of financing cost resulting from the repayment of loan after IPO. • NNP margin improved to 9.3% in 2017

% which lies in the same direction for both years. Net profit shows a significant growth in 2017 in comparison to the previous year at 66.18 million THB or 6.90% of total revenue compared to 27.11 million

Bt309mn (see significant event). As a result, net profit was Bt7,469mn, +14% YoY and +3.5% QoQ. Significant Events 1. On 2 nd October 2017, AIS submitted an intention to acquire the entire stake, upon