comprehensive income for the year ended 31 December (Unit : Million Baht) 2017 2016 Change % Change Operating revenue 1,580.25 1,411.68 168.58 11.94% Operating cost 1,335.73 1,217.44 Gross profit 244.53 194.24

155.02 101.48 65.46% Selling expenses 30.19 15.79 14.39 91.13% Administrative expenses 75.07 67.23 7.84 11.67% Finance cost 3.73 3.51 0.23 6.42% Profit before income tax expenses 307.62 147.01 160.61

trading business of imported electrical equipment made for large scale projects. 2. Gross profit : The total gross profit of the 3rd quaternary for the year 2017 was MTHB 159.97 representing an increase of

25.81 81.63% Selling expenses 5.99 3.95 2.04 51.65% Administrative expenses 18.80 14.07 4.73 33.62% Finance cost 2.13 0.88 1.25 142.05% Profit before income tax expenses 73.02 27.11 45.91 169.35% Income

99.93% Selling expenses 12.23 4.58 7.65 167.03% Administrative expenses 19.75 14.31 5.44 38.02% Finance cost 0.53 0.89 (0.36) (40.45%) Profit before income tax expenses 113.42 55.02 58.40 106.14% Income

35.11 81.96% Selling expenses 9.20 4.08 5.12 125.49% Administrative expenses 14.60 15.81 (1.21) (7.65%) Finance cost 1.02 0.88 0.14 15.91% Profit before income tax expenses 111.79 33.39 78.40 234.80

1,123.0 1,045.9 948.1 77.1 7.4 174.9 18.5 Profit for the period 102.8 35.5 67.4 67.3 189.6 35.4 52.5 In Q1–2019, the company’s total revenue increased form Q4–2018 and Q1–2018, representing an increase of

rate of profit was lower than the increased rate of revenue because the gross profit margin in Q3–2019 was lower than the Q3–2018. Consequently, many large-scale projects delivered in Q3–2019 were low

and employee’s safety. There were temporarily closed 8 large branches, namely; Rangsit Branch, Bang Bua Thong Branch, Rama 2 Branch, Petchkasem Branch, Korat Branch, Udon Branch, Khon Kaen Branch and

and revenue for the third quarter of 2019 was Baht 4,149.40 million, representing a decrease of 6.9% over the same period of last year. The main reasons for the increase in net profit were the increase