Quarter performance Unit: Million Baht 2019 2018 Sales Revenue 1,723.97 1,863.61 Cost of Sales 1,616.25 1,797.16 Gross Margin 107.72 66.45 Profit (loss) on exchange rates 31.98 72.27 Other Incomes 9.16

result Million Baht 2019 2018 Sales 1,748.29 1,905.09 Cost of Sales 1,636.11 1,756.98 Gross Margin 112.17 148.11 Gain (loss) on exchange rates 38.44 (26.43) Other Incomes 33.76 30.28 Total Revenues

result Million Baht 2018 2017 Sales 1,905.09 1,849.88 Cost of Sales 1,756.98 1,621.03 Gross Margin 148.11 228.85 Gain (loss) on exchange rates (26.43) 23.44 Other Incomes 30.28 27.42 Total Revenues

result Million Baht 2018 2017 Sales 2,020.38 1,915.39 Cost of Sales 1,935.80 1,723.37 Gross Margin 84.58 192.02 Gain (loss) on exchange rates 42.47 25.24 Other Incomes 9.30 15.30 Total Revenues 2,072.15

Development Plc. would like to inform the financial results for the second quarter of 2018 which ended on 30 June 2018. The Company and its subsidiary reported a net profit of THB 126.43 million or earnings per

170.45 142.90 27.54 Gross profit margin 15.33% 13.51% 1.82% Other income 4.77 3.67 1.09 Selling expenses 2.66 4.73 (2.07) Administrative expenses 80.76 84.95 (4.19) Earnings before interest and tax 91.79

1,403.07 13% Cost of hospital operations 276.11 258.34 7% 1,101.98 985.67 12% Gross margin 117.88 108.76 8% 485.45 417.39 16% % Gross margin 30% 30% 0% 31% 30% 1% Administrative expenses 41.54 40.51 3

50.28 25.89% Gross profit margin 15.47% 13.76% Other income 5.33 4.73 Selling expenses 3.36 9.99 (6.63) -66.39% Administrative expenses 111.43 108.51 2.92 2.69% Earnings before interest and tax 135.08

Development Plc. would like to inform the financial results for the first quarter of 2018. The Company and its subsidiary reported a net profit of THB 44.48 million or earnings per share of THB 0. 04, comparing

1,101.98 9% Adj. staff benefit - - 8.15 - Gross margin 130.94 117.88 11% 557.38 485.45 15% % Gross margin 30% 30% 0% 31% 31% 1% % Gross margin (exclude non-recurring cost) 30% 30% 0% 32% 31% 1