from Sales and Service 433.88 474.93 -41.05 -8.64% Total Revenue 441.93 475.64 -33.71 -7.09% Net Profit for the Year 28.53 30.63 -2.10 -6.84% Net Profit for Shareholders of the Company 23.94 21.94 2.00

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

426 76% EBITDA 24 81 238% 114 223 96% Net Profit (Loss) for the Company (13) 34 362% (9) 82 1,011% Gross Profit Margin (%) 52.2% 64.6% 12.5% 56.1% 63.2% 7.1% EBITDA Margin1 (%) 20.7% 32.8% 12.1% 26.2

67% EBITDA 58 83 43% 172 306 78% Net Profit (Loss) for the Company 13 36 177% 4 118 2,850% Gross Profit Margin (%) 59.6% 62.9% 3.3% 57.3% 63.1% 5.8% EBITDA Margin1 (%) 30.1% 30.9% 0.8% 27.4% 32.1% 4.7

1,680 -2,782 328,426 % Change (0.5) (2.5) 8.4 (12.3) 112.1 In overall, the Company and its subsidiaries had the net profit in Q2/2018 at 35.3 MB increased 328.4 MB by 112 percent when compared to Q2/2017

46% EBITDA 33 83 152% 90 142 58% Net Profit (Loss) for the Company (7) 34 586% 4 49 1,125% Gross Profit Margin (%) 56.2% 63.9% 7.7% 57.7% 62.4% 4.7% EBITDA Margin1 (%) 23.9% 35.3% 11.4% 28.2% 32.6% 4.4

128,745 Change 92,046 32,320 7,842 -13,460 364,758 % Change 11.0 11.0 9.8 (14.4) 154.5 In overall, the Company and its subsidiaries had the net profit in the year 2018 at 128.7 MB increased 364.8 MB by

35% EBITDA 83 96 16% 142 177 25% Net Profit (Loss) for the Company 34 43 26% 49 77 57% Gross Profit Margin (%) 63.9% 64.2% 0.3% 62.4% 64.1% 1.7% EBITDA Margin1 (%) 35.5% 31.8% (3.7%) 32.6% 31.1% (1.5

Profit 223 280 26% 583 756 30% EBITDA 111 148 33% 288 396 38% Net Profit (Loss) for the Company 54 83 54% 131 210 60% Gross Profit Margin (%) 66.0% 65.4% (0.6%) 64.8% 66.1% 1.3% EBITDA Margin1 (%) 32.6

Gross Profit Selling Admin Net(loss) profit Q1/17 212,140 78,137 19,861 24,659 21,584 Q1/18 213,552 76,707 21,974 18,709 27,898 % Change 0.67 (1.83) 10.64 (24.13) 29.25 In overall, the Company and its