Current Ratio (Time) 1.7 1.9 Quick Ratio (Time) 3.5 4.5 Collection Period (Day) 25.6 25.8 Stock Turnover Period (Day) 6.9 6.4 Payment Period (Day) 34.3 35.2 Profitability Ratio Gross Profit Margin (%) 11.4

. Nevertheless, the Group has expanded testing and inspection service in eastern region since the last quarter of 2016. Gross profit margin for the year rather decreased because service cost for engineer and

(Day) 34.2 34.3 Profitability Ratio Gross Profit Margin (%) 11.2 11.4 Operating Profit Margin (%) 4.4 3.5 EBITDAR Margin (%) 15.1 16.3 Net profit Margin (%) 0.9 3.0 Return on Equity (%) 0.9 2.8

Ratio Gross Profit Margin (%) 19.8 24.8 Operating Profit Margin (%) 13.4 17.9 EBITDAR Margin (%) 22.4 26.6 Net profit Margin (%) 6.6 9.2 Return on Equity (%) 6.6 9.6 Efficiency Ratio Return on Assets

Profitability Ratio Gross Profit Margin (%) 19.8 24.8 Operating Profit Margin (%) 13.4 17.9 EBITDAR Margin (%) 22.4 26.6 Net profit Margin (%) 6.6 9.2 Return on Equity (%) 6.6 9.6 Efficiency Ratio Return on

. %Gross Profit Margin Mil THB TBSPTKS %GP 82 88 51 23 Q2 18 Q2 19 111 - 16.5% 26.3% 18.8% 27.2% 18.6% 8.6% 22.7% 133 6M19 % GP H1 19 H1 18 As Reported Total GP 22.1% 22.8% Company 27.2% 24.6% TBSP 15.6

2,808 million and 13.8% y-on-y in 6M’2019 to Baht 5,221 million due to portfolio expansion through COD and acquisitions as mentioned. • EBITDA margin increased q-on-q to 25.8% in Q2’2019 from 1) a 2.4% q

The Group still maintain high net profit margin at 21.5% หนา 5 ของ 5 VII Financial Status Description December 31st, 2018 June 30th, 2019 Differentiate MB THB % Total Assets 27,203.3 28,575.5 1,372.1

with higher sales. Gross profit margin as percentage of sales improved from 6.5% in Q2 2018 to 7.7% in Q2 2019 even when there was higher staff expenses to adhere to the changes in the Labor Protection

66.8% YoY, and gross profit margin was 20.4%, decreased from 29.2% in 1Q17. • Total assetswas THB 12,187.2mn, an increase of THB 1,729.2mn • Debt to Equity ratio2stood at 0.79 times as of 31 Mar 2018