price. By the way, the Group has been compensated the increased in gas price from EGAT in form of adjusted electricity price to be in line with natural gas price. Gross Profit and Gross Profit Margin 2019

345,757 62,624 18.1 Cost of sales and service 326,511 272,045 54,466 20.0 317,072 264,233 52,839 20.0 Gross profit 95,177 84,017 11,160 13.3 91,309 81,524 9,785 12.0 Other income 2,059 3,502 (1,443) (41.2

% (68.5) (529.4) 672.8% Gross profit 420.1 427.9 446.0 4.2% 6.2% 774.6 873.9 12.8% Net gain (loss) on exchange rate (47.6) 112.2 (58.6) N.A. (100) Other income 11.0 173.0

Summary Significant Event & Business Overview Operating Highlights in Q3/2024 Q3/23 Q3/24 Change +/(-) 9M/23 9M/24 Change +/(-) (THB million) %YoY %YoY Operating Revenue 338 428 27% 900 1,144 27% Gross

55.33 (43.10) (43.79%) Gross profit 559.94 488.25 (71.68) (12.80%) Other income 20.48 9.54 (10.94) (53.41%) Selling and administrative expenses 96.21 93.90 (2.31) (2.40%) Operating profit 484.21 403.89

the company’s operation result In 2018, revenue from sale was increased from last year 0.4%. Gross profit increased from 43.6% to 44.4% of revenue from sale, whereby net profit for the year showed at

service 1,207,557 1,172,803 1,270,906 (63,349) (5.0) page 2/6 Gross Profit 407,050 359,180 366,256 40,794 11.1 Other incomes 11,861 12,687 7,271 4,590 63.1 Profit before expenses 418,911 371,867 373,527

cost 404.23 415.74 11.51 2.85% Rental and services cost 68.77 66.91 (1.86) (2.70%) Construction cost under Concession Agreements(1) 10.80 148.34 137.55 1,274.15% Gross profit 1,165.91 1,125.68 (40.23

third quarter of year 2017, the Company’s cost of sales was Bt. 27,031.69 million or 95.83% of sales revenue which increased from 95.57% of sales revenue in the third quarter of last year. The gross

revenues was mainly from short-term investment which the Company has invested since January 2017. Cost of Sales and Gross Profit Unit : THB mm Unless otherwise stated For the three-month period ended 30