first quarter of year 2019 compared to the same period of prior year are as follows; The Group reported total revenues (excluded other revenues) at THB 188.8 million, increased by THB 20.7 million or 12.3

“Company”) would like to notify the Stock Exchange of Thailand regarding the business operation for the 2nd Quarter of the year 2018 ended 30 June 2018 as follows; Total Revenue The Company and subsidiary

. %Gross Profit Margin Business Overview 2019 Performance Unit : THB million Change Y2019 Y2018 (%) As Reported Total revenues 2,497 2,052 21.7% TKS 1,416 1,257 12.5% TBSP 1,081 795 35.9% T.K.S. Technologies

”) for the first quarter of year 2020 compared to the same period of prior year are as follows; The Group reported total revenues (excluded other revenues) at THB 177.4 million, decreased by THB 11.4

income 23.88 59.13 (35.25) (59.61) Service income - 3.09 (3.09) (100.00) Other income 1.13 1.14 (0.01) (1.01) Total Revenues 25.01 63.35 (38.35) (60.53) Cost of construction 47.89 87.62 (39.73) (45.35

59.13 (35.25) (59.61) Service income - 3.09 (3.09) (100.00) Other income 1.13 1.14 (0.01) (1.01) Total Revenues 25.01 63.35 (38.35) (60.53) Cost of construction 47.89 87.62 (39.73) (45.35) Cost of

32.8% from energy favorable prices. Costs were controlled and the total expenses in quarter 3 reported at Baht 333.6 million, a decrease of 25.9% over the same period last year. As a result, the Company

comprehensive income 0.15 (0.05) (0.20) -132.37% Total comprehensive income for the year 45.16 30.70 (14.46) -32.03% Gross profit margin 27.90% 25.58% Net profit margin 13.59% 9.67% Performance (Statement of

) (95.93) 1. Revenues from contraction contracts On Q2/2019, the Group has revenue from construction contracts total of Baht 540.31 Million, increased by Baht 199.63 Million or 58.60% compared with the same

loans target. The net profit in the fourth quarter of 2018 was 454.91 million baht. An increase of 134.90 million baht or 42.15% from the same period of the prior year. The total revenue was 1,010.39