% 22.6% -1.7% - Basic earnings per share (Baht/share) 0.10 0.11 0.15 0.11 (0.01) (7.1) Net profit margin 4.8% 5.5% 7.6% 6.1% -0.7% - Page 2 of 6 The total revenues for the six-month ended June 30, 2019

100.0 Sales Revenues 20182019 * Note Please find further information in the consolidated financial statements. 3 Comparing to the previous year, the Company realized gain on foreign currency differences

Consolidated Financial Statement (Unit: Million Baht) 2020 2019 YOY Million Baht % Sales and Services 366.78 1,329.58 (962.80) (72.41%) Gross Profit 87.30 131.58 (44.28) (33.65%) Other Income 87.83 18.63 69.20

11.86% Finance cost 19.72 18.41 (1.31) (6.64%) Income tax expenses 17.98 22.21 4.23 23.53% Net profit 70.57 80.50 9.93 14.07% Net profit ratio (ROS) 20.41% 18.98% Earnings per share (Baht) 0.13 0.15 0.02

Profit (Loss) (16.93) (2.20) 14.73 669.55 Earnings per share (Baht per share) (0.0032) (0.0005) 0.0027 540.00 Net Profit (Loss) The Company and subsidiaries (Consolidated) realized net loss of 16.93

% Profit before FX and extraordinary items 1,790 1,688 2,293 28% 36% 3,091 3,981 29% Net foreign exchange gain (loss)2 242 (30) (5) (102%) (83%) 190 (35) (118%) Net profit 2,031 1,658 2,288 13% 38% 3,281

Non-controlling Interests 27.73 30.31 (2.58) (8.5) Profit Attributable to Owner of the Company before exchange rate 1,160.79 1,125.44 35.35 3.1 Gain (loss) on exchange rate (344.10) 233.00 (577.10

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

192.48 210.45 (17.97) (8.54%) 3 - Testing and Inspection 16.83 14.42 2.41 16.71% 4 Cost of sales and services (362.98) (423.61) (60.63) (14.31%) Gross Profit 44.38 47.63 (3.25) (6.82%) Other income 3.28