the third quarter of 2019, the net profit of the Company and its subsidiary was 474.65 million baht. The total income was 1,067.12 million baht, financial cost was 263.90 million baht, the selling and

cost of sales and services in the amount of Baht 400.04 million or 82.55 percent of its revenue from sales and services. The percentage of cost of sales and service income increased compared to the same

1,980.67 2,329.81 2,114.86 Costs of Sale The company has cost of sales of 1,450.62 million baht, 1,650.06 million baht, and 1,636.82 million baht in year 2020, 2021, and 2022 respectively. The cost of sales

because of decrease in revenue and revision of estimated project cost of construction and electrical engineering. 2. Management https://market.sec.or.th/public/idisc/Download?FILEID=dat/news/201908/19079694

revision of estimated project cost of construction and electrical engineering. 2. Management https://market.sec.or.th/public/idisc/Download?FILEID=dat/news/201908/19079694.pdf Notification of Capital Market

¸⁄ฆาร๕à¸⁄ิฎรวม Q2.pdf . Engineering service (“EN”) had a decrease in gross profit for Baht (17.71) million because of decrease in revenue and revision of estimated project cost of

products and services. The de- tails of Services income and Cost of rendering of services are as follows: Services income and Cost of rendering of https://market.sec.or.th/public/idisc/Download?FILEID=dat

.(Dec.) % Inc.(Dec.) Services income 128.03 79.61 (48.42) -37.82% 262.78 190.09 (72.69) -27.66% Cost of rendering of services (87.66) (56.68) 30.98 -35.34% (179.70) (133.67) 46.03 -25.62% Gross profit

9M2022 Inc.(Dec.) % Inc.(Dec.) Services income 124.30 72.11 (52.19) -41.99% 387.08 262.20 (124.88) -32.26% Cost of rendering of services (86.64) (51.49) 35.15 -40.57% (266.34) (185.16) 81.18 -30.48% Gross

results Consolidated 2022 2021 Sales 9,061.66 9,334.73 Cost of Sales 8,380.13 8,165.19 Gross Margin 681.53 1,169.54 Gain (loss) on exchange rates 9.52 (202.32) Loss on assets disposal (0.51) - Other Incomes