(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

the gross profit margin through the selection and development of quality products to better meet the needs of customers. For the subsidiaries, Mega Home business has a rising trend of sales, while the

% 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

(3.05) Cost from hotel operations THB mm 193.33 193.35 (0.02) 398.11 407.37 (9.36) Gross profit from hotel operations THB mm 86.07 91.36 (5.29) 248.37 259.31 (0.61) Gross profit margin from hotel

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

the growth of revenue from expansion of business of the company and its subsidiaries. The Gross profit margin for the first quarter of 2018 was closed to the gross profit margin of the first quarter of

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