%. The Company would like to clarify significant changes in the Group’s operating results as follows: 1. Revenues from sales and services for the three-month period of 2018 decreased 39.56% compared to the

% Total Revenues 450.56 382.22 68.34 17.88 Cost of Goods Sold and Services (439.72) (360.55) 79.17 21.96 Sales & Administration Expenses and Financial Cost and Tax Expense (27.77) (23.88) 3.89 16.29 Net

result Million Baht 2017 2016 Sales 1,849.88 1,797.03 Cost of Sales 1,621.03 1,654.24 Gross Margin 228.85 142.79 Gain (loss) on exchange rates 23.44 (5.47) Other Incomes 27.42 14.34 Total Revenues 1,900.75

result Million Baht 2017 2016 Sales 1,915.39 1,727.45 Cost of Sales 1,723.37 1,572.70 Gross Margin 192.02 154.75 Gain (loss) on exchange rates 25.24 14.37 Other Incomes 15.30 12.71 Total Revenues 1,955.93

result Million Baht 2018 2017 Sales 1,905.09 1,849.88 Cost of Sales 1,756.98 1,621.03 Gross Margin 148.11 228.85 Gain (loss) on exchange rates (26.43) 23.44 Other Incomes 30.28 27.42 Total Revenues

Company had total revenues of Baht 2,432.43 million. Cost of sales was Baht 2,122.18 million (87.25% of sales). Operating result Net profit 37.55 Cost of sales was Baht 1,902.36 million (83.77% of sales

/ 2020. The reason for the increase revenues due to increased sales of both domestic and international. Although it has the COVIC-19 epidemic situation, but still maintain a close relationship with

Change Million Baht % Million Baht % Million Baht % Sales revenue - net 406.55 91.50% 361.42 91.88% (45.13) -12.49 % Revenue from contract works 32.46 7.31% 26.40 6.71% (6.06) -22.96% Revenue from service

/ year 2016 Quarter 3 / year 2017 Change Million Baht % Million Baht % Million Baht % Sales revenue - net 321.11 92.14% 288.17 93.39% -32.94 -10.26% Revenue from contract works 23.25 6.67% 16.90 5.48

Million Baht % Million Baht % Million Baht % Sales revenue - net 406.55 91.50% 361.42 91.88% (45.13) -12.49 % Revenue from contract works 32.46 7.31% 26.40 6.71% (6.06) -22.96% Revenue from service incomes