and its subsidiaries had the operation results for the three-month period ended March 31, 2019 with the following details: unit: THB million 2019 2018 Change (THB million) Change (%) Revenue from Sales

Limited and its subsidiaries had the operation results for the six-month period ended June, 2018 with the following details: unit: THB million 2018 2017 Change (THB million) Change (%) Revenue from Sales

subsidiaries had total revenue of 309.59 million Baht, increased by 128.60 million Baht, or an increase of 71.06%, compared with the same period of previous year. The Company and its subsidiaries had a net

+ (-) % Total revenue 20,778.00 24,680.00 (15.81) Revenue from Sale 19,535.00 23,592.00 (17.20) Cost of sales 12,079.00 15,415.00 (21.64) GROSS PROFIT 7,456.00 8,177.00 (8.82) Selling and Administrative Expenses

December 31, 2017 + (-) % Total revenue 132,427.65 95,599.22 38.52 Revenue from Sale 127,813.63 90,492.00 41.24 Cost of sales 76,977.28 57,183.36 34.61 GROSS PROFIT 50,836.35 33,308.64 52.62 Selling and

September 30, 2018 + (-) % Total revenue 36,407.00 38,098.00 (4.44) Revenue from Sale 31,254.00 36,561.00 (14.52) Cost of sales 18,319.00 21,811.00 (16.01) GROSS PROFIT 12,935.00 14,750.00 (12.31) Selling and

financial statement as follows: Quarter 1 / year 2016 Quarter 1 / year 2017 Change Million Baht % Million Baht % Million Baht % Sales revenue - net 132.07 90.28% 108.37 92.86% -23.70 -17.95 % Revenue from

+ (-) % Total revenue 22,945.00 9,459.00 142.57 Revenue from Sale 21,469.00 6,470.00 231.82 Cost of sales 12,672.00 5,531.00 129.11 GROSS PROFIT 8,797.00 939.00 836.85 Selling and Administrative Expenses 9,130.00

2016 Quarter 2 / year 2017 Change Million Baht % Million Baht % Million Baht % Sales revenue - net 237.96 92.26% 211.42 94.46% (26.53) -11.15 % Revenue from contract works 17.26 6.69% 9.82 4.39% (7.44

24.41%, due to the following reasons as follows; 1. Total income of the Company increases 71.16 million baht or 74.24% compare with the same period of prior year mainly due to: 1.1) Revenue from selling