days 66 69 72 Cash Conversion Cycle days 84 81 75 Finanial data and profitability ratios Sales revenues million baht 53,067 49,224 46,887 %change (%) 7.8% 5.0% (0.11%) Gross profit million baht 12,123

%) (43.31) 29.4% Gross Profit 126.54 46.2% 164.91 46.4% 38.37 30.3% SG&A (48.13) (17.6%) (69.08) (19.4%) (20.95) 43.5% Operating Profit 78.41 28.6% 95.83 26.9% 17.42 22.2% Share of Profit in Associates 0.15

services 59.31 64.61 (5.30) (8.20) Total Costs of Sales and Services 167.80 182.83 (15.03) (8.22) Gross Profit 57.22 65.77 (8.55) (13.00) Other incomes 1.16 5.31 (4.15) (78.15) Distribution costs 18.00 17.80

% Gain from exchange rate Other income 3.03 2.10 0.94 45% Total revenues 295.72 233.17 62.55 27% Cost of sales and services 208.23 159.63 48.60 30% Gross profit 84.46 71.44 13.01 18% Gross profit margin 29

2017 compared to Q4 2016: Q4 2017 Q4 2016 YoY change YoY % change Unit: Million Thai Baht (THB) Sales and service income 209.13 181.21 27.92 15% Gain from exchange rate 0.44 0.57 -0.13 -23% Other income

service income 301.56 201.46 100.10 50% Gain from exchange rate Other income 1.65 1.21 0.44 36% Total revenues 303.21 202.67 100.54 50% Cost of sales and services 226.71 149.07 77.64 52% Gross profit 74.85

Financial Statement (Unit: Million Baht) 2018 2017 YoY Sales and Services 2,552.89 1,626.87 926.03 56.92% Gross Profit 349.38 353.85 (4.47) (1.26%) Other Income 115.14 32.26 82.89 256.97% Selling

the operation (32.7) (203.8) 171.1 84.0% Gain (Loss) from temporary investment (15.7) (75.2) 59.5 79.1% Profit (Loss) for the year (48.4) (279.0) 230.6 82.6% Net Profit/(Loss) from the year attribute to

51.0 Revenues from project management 418.1 16.9 142.7 4.1 (275.5) (65.9) Gain on disposals of investments in subsidiaries 213.3 6.2 213.3 100.0 Other income 68.9 2.8 96.9 2.8 28.0 40.7 Total Revenues

% Net profit for the period 692 -37.1% 3,553 3,815 7.4% 4,133 3,711 -10.2% Earnings Per Share (Baht per share) 2.77 -37.3% 14.21 15.26 7.4% 16.53 14.84 -10.2% 3 Sales and Revenues Structure for the fiscal