panels, cutting grass, maintenance of equipment, and costs related to renewable energy project development overseas, (2) land rental for solar projects operating under SAAM, SAAM-1, SAAM-2, and SAAM-3, and

%YoY 1Q17 %QoQ 1H17 1H16 %YoY Gross profit margin (%) 47.00 45.97 1.03 43.02 3.98 44.99 45.30 (0.31) Distribution costs and administrative expenses to total revenue (%) 39.60 29.31 10.29 34.72 4.88 37.14

(71.48) Total cost of sales 101.00 100.00 54.04 100.00 (46.96) (46.50) Proportion of cost of sales to sales revenue (%) 26.98 26.72 Gross Profit Margin (%) 73.02 73.28 Note: /1 Other costs of goods sold

% Cost of hospital operations before adj. 294.32 274.71 7% 579.74 532.07 9% Adj. staff benefit 8.15 - 8.15 - Gross margin 120.29 108.76 11% 280.74 234.33 20% % Gross margin 28% 28% 0% 32% 31% 2% % Gross

1 | MANAGEMENT DISCUSSION AND ANALYSIS FOR THE YEAR 2020 Management Discussion and Analysis for the Year 2020 1 March 2021 In the 3-month period of Q4-2020, UWC reported gross margin of THB 28.04

110.5 100.0 101.0 100.0 Proportion of cost of sales to sales revenue 31.1 27.0 Gross Profit Margin 68.9 73.0 Gross Profit For the three months period ended March 31,2017 and 2018, our gross profit was THB

profit margin for the second quarter of the year 2018 was 45% slightly decreased from the second quarter of the year 2017 which was 45.4%. Selling and administrative expenses Selling and administrative

23.95 16.34 6.55 49.71 41.38 20.14 1 Key financial ratio related with operating result (%) 3Q18 3Q17 %YoY 2Q18 %QoQ 9M18 9M17 %YoY Gross profit margin (%) 42.44 44.80 -2.36 41.28 1.16 41.88 44.79 -2.90

million, equivalent to 3. 0 percent, which resulted from better tax planning. In consideration of the net profit from operations in 3Q 2018, the Company's net profit margin to total revenue increased from

was Baht 265.70 million decreased from Baht 282.91 million for the third quarter of the year 2017 of Baht 17.21 million or -6.1% resulted to gross profit margin of the third quarter of the year 2018 was