: Million Baht Operating results of the Company For the Year ended December 31, 2018 2017 (Restated) Changes % Revenues : Revenues from sales and services 987.27 930.88 56.39 6.06 Gain on purchase price lower

: Electricity revenue and cost of sale were decreased caused by the lower electricity generation due to a scheduled maintenance in Q3/2020. Meanwhile, corporate income tax expense was decreased because the tax

despite a sharp increase in LME zinc price. The USD zinc price increased by 23% from 2,781USD/ton in Q1 2017 to 3,422USD/ton in Q1 2018. Thai Baht appreciated against the US dollar by 10% from 35.29 THB/USD

condominium which calculated from the difference of selling price and taxable cost of investment received by way of Entire Business Transfer in 2016. Please be informed in accordingly. Your sincerely, (Mr

Compare % + (-) Revenues from sales and services 976.46 1,041.05 (64.59) (6.20) Cost of sales and services (754.53) (714.18) (40.34) 5.65 Gross profit 221.94 326.87 (104.93) (32.1) Profit (loss) for the

markdown of about 1.8% of sales. Cost of Sales and Gross Profit The gross profit margin in 1Q19 of 21.1% declined Q-o-Q and Y-o-Y due to the effect of an annual selling price adjustment, a change in foreign

from construction service 0.00 0.00% 32.07 8.11% 32.07 100.00% Cost of sales (266.30) (59.17%) (195.11) (49.34%) (71.19) (26.73%) Cost of construction service 0.00 0.00% (28.76) (7.27%) 28.76 100.00

construction service 0.00 0.00% 45.13 5.84% 45.13 100.00% Cost of sales (570.26) -57.04% (398.64) -51.62% (171.62) -30.10% Cost of construction service 0.00 0.00% (42.76) -5.54% (42.77) 100.00% Gross Profit

134.75 110.47 (24.27) -18.01% Cost of rendering of services (92.05) (76.99) 15.05 -16.35% Gross profit 42.70 33.48 (9.22) -21.59% Other income 0.08 0.60 0.51 615.28% Services expenses (1.13) (1.29) (0.16

income statement on 1 January 2020 as follow; Unit: MTHB Decrease in rental expense 639 Increase in depreciation & amortization (413) Net decrease (increase) in cost of rental & services 227 Increase in