31 December 2019 Agenda 4 To consider and approve the dividend payment from the Company’s net profit of 2019 Agenda 5 To consider the re-election of directors Agenda 6 To consider and approve the

performance of the quarter 01/2020 had the net profit amount of Baht 24.39 million which is significantly increased from the same quarter of the previous year. As a result of backlog order as at year 2019 had

% Net Profit for the Company 38 65 71% 99 187 89% Gross profit margin (%) 68.4% 64.7% (3.7%) 67.7% 65.0% (2.7%) EBITDA margin (%) 28.6% 31.2% 2.6% 25.7% 30.9% 5.2% Net profit margin (%) 17.6% 20.6% 3.0

32% EBITDA 96 135 41% 177 248 40% Net Profit (Loss) for the Company 43 73 70% 77 127 65% Gross Profit Margin (%) 64.2% 66.5% 2.3% 64.1% 66.5% 2.4% EBITDA Margin1 (%) 31.8% 35.5% 3.7% 31.1% 34.3% 3.2

period 93 90 86 Other comprehensive income 0.5 0 0.4 Total comprehensive income for the year 93 90 86 FINANCIAL RATIOS Return on Assets (%) 6.76 6.88 6.84 Return on Equity (%) 21.69 20.44 19.17 Net Profit

Net Profit Margin (%) 2.17 2.34 2.02 Current Ratio (Times) 1.33 1.34 1.33 Debt to Equity Ratio (Times) 2.27 2.16 2.26 Book Value per Share (Baht) 2.11 2.16 2.16 Net Profit per Share (Baht) 0.40 0.46

Net Profit Margin (%) 2.17 2.34 2.15 Current Ratio (Times) 1.33 1.34 1.36 Debt to Equity Ratio (Times) 2.27 2.16 2.09 Book Value per Share (Baht) 2.11 2.16 2.09 Net Profit per Share (Baht) 0.40 0.46

comprehensive income 0 0.5 0 Total comprehensive income for the year 79 93 90 FINANCIAL RATIOS Return on Assets (%) 6.22 6.76 6.88 Return on Equity (%) 19.56 21.69 20.44 Net Profit Margin (%) 2.17 2.33 2.40

details are as follows; Operating Performance 1. Revenues Unit: Million Baht In the overview of Revenue from sale – net for the 1st quarter 2019, the Company could generate growth rate from the revenue of

22% Shares of Profit from Asso and JV 20.93 3% 9.10 2% 11.83 130% Net Profit (loss) (6.84) (1%) (70.91) (15%) (64.07) (90%) Profit (loss) attributable to Owner of the parent (10.21) (2%) (60.72) (13