% Finance cost 18.41 36.80 18.39 99.89% Income tax expenses 22.21 28.27 6.06 27.29% Net profit 80.50 95.26 14.76 18.34% Net profit ratio (ROS) 18.98% 20.67% Earnings per share (Baht) 0.13 0.16 0.03 23.08

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

The Company’s expenses mainly consist of operating and administrative expenses, expected credit loss and finance cost. For the 2Q/2023 and 1H/2023 financial results, the Company had total consolidated

99.97%   14,388.23 99.95% 82.41 0.58% Cost of sales and services   12,914.68 90.25%   13,159.06 91.41% 244.37 1.89% Gross Profit      1,391.14 9.72%      1,229.18 8.54% (161.97) (11.64%) Other income

แจ้งSET_EN_BOD Resolutions (EN).20180404_vF_signature_combine.pdf 1 เลขที 1 อาคาร ทีพี แอนด์ ที ชนั 14 ซอยวิภาวดีรังสติ 19 14th Floor, TP&T Tower 1 Soi Vibhavadee-Rangsit 19 Tel : (662) 936-1661-2 แขวงจตจุกัร เขตจตจุกัร กรุงเทพฯ 10900 Chatuchak, Chatuchak, Bangkok 10900, Thailand Fax : (662) 936-1669 ทะเบียนเลขที 0107554000097 Registration No. 0107554000097 HYDROTEK PUBLIC COMPANY LIMITED บริษทั ไฮโดรเท็ค จํากดั (Translation) No. 024/0461 April 4, 2018 Subject Notification of the Board of Direct...

organization (41.40) (101.17) - - Costs of Sales (1.35) (3.30) - - Total Cost (42.75) (104.47) - - Gross Profit (Loss) (1.83) (4.47) 0.61 100.00 Other income 14.13 34.53 13.13 2,152.46 Profit (Loss) prior to

lower electricity cost. The average selling price in this quarter was at THB 18,133 per ton, increased 6.5% from the previous quarter, partly due to the increase in market price worldwide, especially in

proportion to their respective shareholdings in the Company and KSL (as the case may be). The allocation ratio will be later determined and notified. The IPO shares remaining unsubscribed from the Pre-emptive

transfer within December 2019. „ 3rd installment : Payment according to the value of remaining land plots on the date of registration for land ownership transfer within April 2020. …/3 - 3 - The sale of such

interest expenses and the remaining amount after paying debt can also be used for working capital that will allow the Company to operate its business continuously. In addition, the disposal of such assets is