and did not affect the Company’s cash flow or its operating performance. KEY HIGHLIGHTS • Total revenue and share of profit from investments in associates decreased by 6.3%. However, if excluding the FX

19.76 0.36 39.59 32.30 22.56 2 Key financial ratio related with operating result (%) 2Q19 2Q18 %YoY 1Q19 %QoQ 1H19 1H18 %YoY Gross profit margin (%) 44.00% 41.28% 2.72 41.47% 2.54% 42.82% 41.63% 1.18

17.41 15.98 19.83 1.80 59.78 49.71 20.26 Key financial ratio related with operating result (%) 3Q19 3Q18 %YoY 2Q19 %QoQ 9M19 9M18 %YoY Gross profit margin (%) 46.47 42.44 4.03 44.00 2.47 43.93 41.88 2.04

Gross profit margin from sales (%) 47.61% 41.47% 6.15% Gross profit margin from services (%) 83.79% - 100.00% Selling expenses and administrative expenses to total revenue (%) 45.30% 44.79% 0.51% Net

profit THB 200.5 mn represents an increase of net profit margin 25.7% when compared to the previous quarter and increase of 33.1% when compared to the same period of last year regarding the change of cost

for Q2/2017 ended June 30, 2017 of the Company and its subsidiaries, as shown below : (Unit : Million Baht) Q2/2017 Q2/2016 Change Revenue 222 210 12 Gross profit margin 80 83 (3) Expenses 20 20

Baht) Q3/2017 Q3/2016 Change Revenue 186 227 (41) Gross profit margin 62 89 (27) Selling Expenses 17 28 (11) Administrative Expenses 18 19 (1) Finance cost 5 5 - Net profit 19 28 (9) In overall, the

2017 ended December 31, 2017 of the Company and its subsidiaries, as shown below : (Unit : Million Baht) 2017 2016 Change Revenue 837 849 -1.4% Gross profit margin 293 342 -16.7% Selling Expenses 80 96

shown below: (Unit : Million Baht) 2017 2016 Change Revenue 837 849 -1.4% Gross profit margin 293 342 -14.3% Selling Expenses 80 96 -16.7% Doubtful debts from the voiding of contract 320 - 100.0% Finance

subsidiaries had total revenue of 249.4 MB, increased from Q3/2017 at 63.5 MB by 34.2 percent (by increasing from domestic sales at 21 percent and 44 percent from export sales) • Gross profit margin Q3/2018, the